1 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
4 -mno-shared assembler option on mips targets.
5 * configure, config.in: Regenerate.
6 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
7 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
8 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
10 2006-10-29 Richard Sandiford <richard@codesourcery.com>
12 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
13 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
15 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
17 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
18 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
21 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
25 (fold_builtin_pow): Evaluate constant arguments at compile-time
27 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
28 (do_mpfr_ckconv): New helper function.
29 (do_mpfr_arg1): Use do_mpfr_ckconv.
32 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
35 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
36 (-fdump-rtl-sched): Rename to ..
37 (-fdump-rtl-sched1): here. Also fix file extension number.
39 2006-10-28 Richard Guenther <rguenther@suse.de>
41 * fold-const.c (maybe_canonicalize_comparison): Fix code
44 2006-10-28 Uros Bizjak <uros@kss-loka.si>
46 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
47 (NON_QI_REG_P): Use IN_RANGE.
48 (REX_INT_REGNO_P): Use IN_RANGE.
49 (FP_REGNO_P): Use IN_RANGE.
50 (SSE_REGNO_P): Use IN_RANGE.
51 (REX_SSE_REGNO_P): Use IN_RANGE.
52 (MMX_REGNO_P): Use IN_RANGE.
53 (STACK_REGNO_P): New macro.
54 (STACK_REG_P): Use STACK_REGNO_P.
55 (NON_STACK_REG_P): Use STACK_REGNO_P.
56 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
57 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
58 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
59 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
60 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
62 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
64 * except.h (output_function_exception_table): Add 'const char*' param.
65 * except.c (switch_to_exception_section): Add 'const char*' param.
66 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
67 and flag_function_sections is set, use a function-specific section.
68 (output_function_exception_table): Add 'const char*' param.
69 Adjust call to switch_to_exception_section.
70 * final.c (rest_of_handle_final): Adjust calls to
71 output_function_exception_table.
72 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
73 * config.in: Regenerate.
74 * configure: Likewise.
76 2006-10-28 Richard Guenther <rguenther@suse.de>
79 * fold-const.c (maybe_canonicalize_comparison_1): Helper
80 for maybe_canonicalize_comparison.
81 (maybe_canonicalize_comparison): New function for canonicalizing
83 (fold_comparison): Call it to canonicalize comparisons with
86 2006-10-28 Richard Guenther <rguenther@suse.de>
89 * builtins.c (expand_builtin_int_roundingfn_2): Expand
90 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
91 (expand_builtin): Adjust likewise.
92 * genopinit.c (optabs[]): Add lround optab.
93 * optabs.c (init_optabs): Initialize lround_optab.
94 * optabs.h (enum convert_optab_index): Add COI_lround.
95 (lround_optab): Define.
96 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
97 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
99 (ix86_expand_lround): New function.
100 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
102 * doc/md.texi (lroundMN2): Document.
104 2006-10-28 Uros Bizjak <uros@kss-loka.si>
107 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
108 argument to HOST_WIDE_INT. Update function prototype.
109 (round_frame_size): Change return type to HOST_WIDE_INT. Change
110 "size" argument to HOST_WIDE_INT. Update function prototype.
112 2006-10-28 Uros Bizjak <uros@kss-loka.si>
114 * config/i386/i386.c (output_387_ffreep): Create output from a
115 template string for !HAVE_AS_IX86_FFREEP.
117 2006-10-27 Eric Christopher <echristo@apple.com>
119 * config/darwin.c: Fix formatting and grammar.
121 2006-10-27 Jan Hubicka <jh@suse.cz>
123 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
124 to be thrown away soon when IGNORE is set.
125 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
126 indicating when return value shall not be computed.
127 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
129 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
131 * config/i386/i386.h (TARGET_GEODE):
132 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
133 (TARGET_CPU_DEFAULT_geode): New macro.
134 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
135 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
136 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
137 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
138 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
140 (TARGET_CPU_DEFAULT_NAMES): Add geode.
141 (processor_type): Add PROCESSOR_GEODE.
143 * config/i386/i386.md: Include geode.md.
146 * config/i386/i386.c (geode_cost): New initialized global
148 (m_GEODE, m_K6_GEODE): New macros.
149 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
150 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
151 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
152 x86_schedule): Use m_K6_GEODE instead of m_K6.
153 (x86_movx, x86_cmove): Set up m_GEODE.
154 (x86_integer_DFmode_moves): Clear m_GEODE.
155 (processor_target_table): Add entry for geode.
156 (processor_alias_table): Ditto.
158 * config/i386/geode.md: New file.
160 * doc/invoke.texi: Add entry about geode processor.
162 2006-10-27 Mike Stump <mrs@apple.com>
164 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
165 __DYNAMIC__ from here back to ...
166 * config/darwin.h (CPP_SPEC): ... here.
168 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
169 Nathan Sidwell <nathan@codesourcery.com>
171 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
172 when choosing the minimum heapsize.
174 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
176 * gcc/unwind-dw2.h: Move cfa-related variables into
177 struct frame_state_reg_info to ensure that the CFA is properly
178 handled when executing DW_CFA_{remember,restore}_state.
179 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
180 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
181 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
182 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
183 gcc/config/rs6000/linux-unwind.h,
184 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
185 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
186 Modify to use new cfa_* fields.
188 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
190 * config/s390/s390.c (s390_init_frame_layout): Check positive
193 2006-10-26 Ben Elliston <bje@au.ibm.com>
195 * gimplify.c (get_name): Remove extraneous break.
196 (gimplify_omp_for): Initialise ret with GS_OK.
198 2006-10-25 Steve Ellcey <sje@cup.hp.com>
200 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
201 Add unix98.o to link line.
203 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
206 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
207 Calculate compile-time constants using MPFR.
208 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
209 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
211 2006-10-25 Bob Wilson <bob.wilson@acm.org>
213 * config/xtensa/lib2funcs.S: Use C-style comments.
215 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
217 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
218 (file_table_relative_p): Likewise.
219 (dwarf2out_finish): Likewise.
220 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
222 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
224 * tree-ssa-structalias.c (intra_create_variable_infos):
225 Don't recreate nonlocal_all if it already exists.
227 2006-10-25 Richard Guenther <rguenther@suse.de>
230 * optabs.h (enum optab_index): Remove OTI_lrint.
231 (enum convert_optab_index): Add COI_lrint.
232 (lrint_optab): Adjust.
233 (expand_sfix_optab): Declare.
234 * optabs.c (expand_sfix_optab): New function.
235 (init_optabs): Init lrint_optab as conversion optab.
236 * genopinit.c (lrint_optab): Change to a conversion optab.
237 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
238 expansion via conversion optab.
239 * config/i386/i386.md (*fistdi2_1): Remove
240 flag_unsafe_math_optimizations guard.
241 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
242 fist<mode>2_with_temp): Likewise.
243 (lrint<mode>2): Split into...
244 (lrintxf<mode>2): ... x87 part
245 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
246 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
247 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
248 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
249 * doc/md.texi (lrintMN2): Document.
251 2006-10-25 Uros Bizjak <uros@kss-loka.si>
254 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
255 Use inc and dec instructions for TARGET_USE_INCDEC.
256 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
257 ("sync_double_compare_and_swap<mode>"): Likewise.
258 ("*sync_double_compare_and_swapdi_pic"): Likewise.
259 ("*sync_compare_and_swap_cc<mode>"): Likewise.
260 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
261 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
262 ("sync_old_add<mode>"): Likewise.
263 ("sync_lock_test_and_set<mode>"): Likewise.
264 ("sync_lock_test_and_set<mode>"): Likewise.
265 ("sync_add<mode>"): Likewise.
266 ("sync_sub<mode>"): Likewise.
267 ("sync_ior<mode>"): Likewise.
268 ("sync_and<mode>"): Likewise.
269 ("sync_xor<mode>"): Likewise.
271 2006-10-25 Uros Bizjak <uros@kss-loka.si>
273 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
274 (remainder_optab): Define corresponding macro.
275 (drem_optab): Remove.
276 * optabs.c (init_optabs): Initialize remainder_optab. Remove
277 drem_optab initialization.
278 * genopinit.c (optabs): Implement remainder_optab using
279 remainder?f3 patterns. Remove drem_optab.
280 * builtins.c (expand_builtin_mathfn_2): Handle
281 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
282 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
283 expand_builtin_mathfn_2.
285 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
286 depend on flag_unsafe_math_optimizations.
288 * config/i386/i386.md ("remaindersf3", "remainderdf3")
289 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
290 Do not depend on flag_unsafe_math_optimizations. Use
291 truncxf?f expander instead of truncxf?f_i387_noop.
293 ("fpremxf4", "fprem1xf4"): Do not depend on
294 flag_unsafe_math_optimizations.
295 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
296 flag_unsafe_math_optimizations. Use truncxf?f expander
297 instead of truncxf?f_i387_noop.
299 * doc/md.texi (fmod, remainder): Document standard named pattern.
301 2006-10-24 Richard Sandiford <richard@codesourcery.com>
302 David Daney <ddaney@avtrex.com>
305 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
307 2006-10-25 Ben Elliston <bje@au.ibm.com>
309 * doc/extend.texi (Variable Attributes): Typo fix.
311 2006-10-24 Uros Bizjak <uros@kss-loka.si>
313 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
314 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
315 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
316 (FRAME_POINTER_REGNUM): Update register number to 21.
317 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
318 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
320 * config/i386/i386.c (regclass_map): Add fpcr entry.
321 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
323 (print_reg): Assert REGNO (x) != FPCR_REG.
325 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
326 (DIRFLAG_REG): Renumber.
327 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
328 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
329 (sse_prologue_save, *sse_prologue_save_insn): Renumber
330 hardcoded SSE register numbers.
332 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
333 hardcoded MMX register numbers.
335 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
338 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
339 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
341 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
342 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
343 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
344 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
346 2006-10-24 Richard Guenther <rguenther@suse.de>
349 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
350 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
351 for deciding optimizations in consistency with fold-const.c
352 (fold_builtin_unordered_cmp): Likewise.
354 2006-10-24 Richard Guenther <rguenther@suse.de>
356 * builtins.c (fold_builtin_floor): Fold floor (x) where
357 x is nonnegative to trunc (x).
358 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
359 nonnegative to FIX_TRUNC_EXPR.
361 2006-10-24 Richard Guenther <rguenther@suse.de>
363 PR tree-optimization/29567
364 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
365 for TRUTH_NOT_EXPR. Clarify comments.
367 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
370 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
371 at compile-time using MPFR. Change parameter VALUE to FUNC,
373 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
374 for overflow and underflow at all times and avoid folding in
377 2006-10-24 Ben Elliston <bje@au.ibm.com>
379 * reload1.c: Formatting fixes.
381 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
383 PR tree-optimization/14784
384 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
385 * tree-ssa-structalias.c (get_constraint_for,
386 intra_create_variable_infos): Set is_heapvar.
387 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
388 non-heapvar pointer variables specially.
390 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
393 * builtins.c (fold_builtin_sin, fold_builtin_cos,
394 fold_builtin_tan): Fold all constant arguments. Take a "type"
395 argument as necessary.
397 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
399 2006-10-23 Bob Wilson <bob.wilson@acm.org>
401 * config/xtensa/lib1funcs.asm: Use C-style comments.
403 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
405 * tree.c (local_define_builtin): Replace calls to
406 lang_hooks.builtin_function with add_builtin_function.
407 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
409 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
411 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
412 common code to add_builtin_function.
413 * langhooks.c (add_builtin_function): New function.
414 (lhd_builtin_function): New function.
415 * langhooks.h (struct lang_hooks): Change the signature of
417 (add_builtin_function): New function.
418 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
419 calls to lang_hooks.builtin_function with add_builtin_function.
420 * c-common.c (decl_builtin_1): Replace calls to
421 lang_hooks.builtin_function with add_builtin_function.
422 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
423 lang_hooks.builtin_function with add_builtin_function.
424 * config/frv/frv.c (def_builtin): Replace calls to
425 lang_hooks.builtin_function with add_builtin_function.
426 * config/s390/s390.c (s390_init_builtins): Replace calls to
427 lang_hooks.builtin_function with add_builtin_function.
428 * config/sparc/sparc.c (def_builtin): Replace calls to
429 lang_hooks.builtin_function with add_builtin_function.
430 * config/i386/i386.c (def_builtin): Replace calls to
431 lang_hooks.builtin_function with add_builtin_function.
432 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
433 lang_hooks.builtin_function with add_builtin_function.
434 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
435 lang_hooks.builtin_function with add_builtin_function.
436 * config/stormy16/stormy16.c (xstormy16_init_builtins):
437 Replace calls to lang_hooks.builtin_function with
438 add_builtin_function.
439 * config/iq2000/iq2000.c (def_builtin):
440 Replace calls to lang_hooks.builtin_function with
441 add_builtin_function.
442 * config/ia64/ia64.c (def_builtin): Replace calls to
443 lang_hooks.builtin_function with add_builtin_function.
444 * config/rs6000/rs6000.c (def_builtin): Replace calls to
445 lang_hooks.builtin_function with add_builtin_function.
446 (altivec_init_builtins): Replace calls to
447 lang_hooks.builtin_function with add_builtin_function.
448 * config/arm/arm.c (def_mbuiltin): Replace calls to
449 lang_hooks.builtin_function with add_builtin_function.
450 (arm_init_tls_builtins): Replace calls to
451 lang_hooks.builtin_function with add_builtin_function.
452 * config/mips/mips.c (mips_init_builtins): Replace calls to
453 lang_hooks.builtin_function with add_builtin_function.
454 * config/bfin/bfin.c (def_builtin): Replace calls to
455 lang_hooks.builtin_function with add_builtin_function.
456 * langhooks-def.h (lhd_builtin_function): New function.
457 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
459 2006-10-23 Jakub Jelinek <jakub@redhat.com>
461 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
462 BUILT_IN_STRNCAT_CHK.
464 2006-10-23 Jan Hubicka <jh@suse.cz>
466 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
467 don't do conversion from memmove to memcpy here.
468 (expand_builtin_bcopy, expand_builtin): Update call of
469 expand_builtin_memmove.
470 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
472 2006-10-23 Paul Brook <paul@codesourcery.com>
474 * stor-layout.c (start_record_layout): maximum_field_alignment
475 overrides STRUCTURE_SIZE_BOUNDARY.
477 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
479 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
480 nonlocal function symbols if flag_pic.
482 2006-10-23 Richard Guenther <rguenther@suse.de>
486 * builtins.c (fold_binary): Remove checks for flag_wrapv
487 and flag_trapv where negate_expr_p covers these cases.
489 2006-10-23 Richard Guenther <rguenther@suse.de>
492 * fold-const.c (fold_plusminus_mult_expr): Check exact power
493 of two on the absolute value.
494 (fold_binary): Fold x * -C to -x * C if x is easily negatable
495 and negating -C does not overflow.
497 2006-10-23 Richard Guenther <rguenther@suse.de>
500 * convert.c (convert_to_real): Fold (float)-x to -(float)x
501 only if not flag_rounding_math.
503 2006-10-22 Richard Sandiford <richard@codesourcery.com>
504 Kaz Kojima <kkojima@gcc.gnu.org>
507 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
508 SImode memory reference for the source of a movua.
509 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
510 (movua): Use an unspec instead of sign_extract. Expect the source
511 to have mode BLKmode.
512 (extv, insv): Use a BLKmode rather than SImode memory reference
513 for the source of a movua.
515 2006-10-22 Jeff Law <law@redhat.com>
516 Richard Guenther <rguenther@suse.de>
518 PR tree-optimization/15911
519 * tree-vrp.c (extract_code_and_val_from_cond): New function.
520 (register_edge_assert_for_1): Likewise.
521 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
522 (find_conditional_asserts): Adjust for new function signature.
523 (find_assert_locations): Likewise.
525 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
527 * config/i386/tmmintrin.h: Remove the duplicated content.
529 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
531 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
532 (x86_64-*-*): Likewise.
534 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
535 (override_options): Check SSSE3.
536 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
537 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
538 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
539 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
540 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
541 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
542 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
543 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
544 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
545 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
546 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
547 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
548 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
549 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
550 IX86_BUILTIN_PABSD128.
551 (bdesc_2arg): Add SSSE3.
552 (bdesc_1arg): Likewise.
553 (ix86_init_mmx_sse_builtins): Support SSSE3.
554 (ix86_expand_builtin): Likewise.
555 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
557 * config/i386/i386.md (UNSPEC_PSHUFB): New.
558 (UNSPEC_PSIGN): Likewise.
559 (UNSPEC_PALIGNR): Likewise.
560 Include mmx.md before sse.md.
562 * config/i386/i386.opt: Add -mssse3.
564 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
565 (ssse3_phaddwv4hi3): Likewise.
566 (ssse3_phadddv4si3): Likewise.
567 (ssse3_phadddv2si3): Likewise.
568 (ssse3_phaddswv8hi3): Likewise.
569 (ssse3_phaddswv4hi3): Likewise.
570 (ssse3_phsubwv8hi3): Likewise.
571 (ssse3_phsubwv4hi3): Likewise.
572 (ssse3_phsubdv4si3): Likewise.
573 (ssse3_phsubdv2si3): Likewise.
574 (ssse3_phsubswv8hi3): Likewise.
575 (ssse3_phsubswv4hi3): Likewise.
576 (ssse3_pmaddubswv8hi3): Likewise.
577 (ssse3_pmaddubswv4hi3): Likewise.
578 (ssse3_pmulhrswv8hi3): Likewise.
579 (ssse3_pmulhrswv4hi3): Likewise.
580 (ssse3_pshufbv16qi3): Likewise.
581 (ssse3_pshufbv8qi3): Likewise.
582 (ssse3_psign<mode>3): Likewise.
583 (ssse3_psign<mode>3): Likewise.
584 (ssse3_palignrti): Likewise.
585 (ssse3_palignrdi): Likewise.
586 (abs<mode>2): Likewise.
587 (abs<mode>2): Likewise.
589 * config/i386/tmmintrin.h: New file.
591 * doc/extend.texi: Document SSSE3 built-in functions.
593 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
595 2006-10-22 Ira Rosen <irar@il.ibm.com>
597 * tree-vect-transform.c (vectorizable_load): Use the type of the
598 return value of the mask_for_load builtin to create realign_load
601 2006-10-22 Richard Sandiford <richard@codesourcery.com>
603 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
606 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
608 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
609 (UNSPEC_LDDQU): This.
610 * config/i386/sse.md (sse3_lddqu): Updated.
612 2006-10-21 Richard Guenther <rguenther@suse.de>
614 * builtins.c (expand_builtin_int_roundingfn_2): New function.
615 (expand_builtin): Use it to expand lrint instead of
616 expand_builtin_mathfn.
618 2006-10-21 Uros Bizjak <uros@kss-loka.si>
621 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
622 flag_unsafe_math_optimizations is set.
624 2006-10-21 Uros Bizjak <uros@kss-loka.si>
627 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
628 patterns to use memory input operand in x87->mem->XMM
629 reload sequences. Skip transformation for TARGET_K8.
631 2006-10-21 Uros Bizjak <uros@kss-loka.si>
633 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
634 force operand1 to register if both operands are memory operands.
635 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
636 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
637 if both operands are memory operands.
638 (truncdfsf2): Do not force operand1 to register if both operands
641 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
643 * Makefile.in (LIBS): Add $(GMPLIBS).
644 * doc/install.texi: Update GMP and MPFR requirements.
645 * doc/sourcebuild.texi (need_gmp): Delete.
647 2006-10-21 Richard Guenther <rguenther@suse.de>
649 PR tree-optimization/3511
650 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
651 got new invariant arguments during PHI translation.
653 2006-10-21 Richard Guenther <rguenther@suse.de>
656 * fold-const.c (fold_comparison): Fold signed comparisons
657 of the form X +- C1 CMP Y +- C2.
659 2006-10-21 Richard Guenther <rguenther@suse.de>
662 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
663 if flag_unsafe_math_optimizations is specified. We have
664 flag_finite_math_only for that.
665 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
666 or flag_unsafe_math_optimizations.
668 2006-10-21 Richard Guenther <rguenther@suse.de>
670 * builtins.c (fold_builtin_classify): Fix typo.
672 2006-10-21 Richard Guenther <rguenther@suse.de>
675 * simplify-rtx.c (simplify_const_relational_operation):
676 Do not constant-fold ORDERED and UNORDERED for
677 flag_unsafe_math_optimizations but only we do not need to
678 honor NaNs for the given mode.
680 2006-10-21 Richard Guenther <rguenther@suse.de>
683 * config/i386/i386.c (classify_argument): Remove redundant
684 walking of the BINFOs.
685 (contains_128bit_aligned_vector_p): Likewise.
687 2006-10-20 Mark Mitchell <mark@codesourcery.com>
689 * BASE-VER: Set to 4.3.0.
691 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
693 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
694 (tree_decl_with_vis): Remove artificial_pta_var flag.
695 * tree-flow.h (referenced_var_check_and_insert): Expose.
696 (nonlocal_all): New prototype.
697 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
698 (nonlocal_all): Make global.
699 (nonlocal_lookup): Remove.
700 (nonlocal_insert): Ditto.
701 (create_nonlocal_var): Do not call nonlocal_insert.
702 (get_nonlocal_id_for_type): Remove.
703 (find_global_initializers): Mark new vars we find for renaming.
704 (intra_create_variable_infos): Only create one nonlocal.
705 (expand_nonlocal_solutions): Remove.
706 (compute_points_to_sets): Don't call it.
707 (ipa_pta_execute): Ditto.
708 (init_alias_heapvars): Don't create nonlocal_for_type.
709 (delete_alias_heapvars): Don't remove it.
710 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
713 2006-10-19 Brooks Moses <bmoses@stanford.edu>
715 * doc/install.texi (Downloading GCC): Clarify mention of
716 Fortran in the "full distribution" description.
718 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
720 Fix PR tree-optimization/28778
721 Fix PR tree-optimization/29156
722 Fix PR tree-optimization/29415
723 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
724 (tree_decl_with_vis): Add artificial_pta_var flag.
725 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
727 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
728 (nonlocal_all): Ditto.
729 (struct variable_info): Add directly_dereferenced member.
730 (var_escaped_vars): New variable.
731 (escaped_vars_tree): Ditto.
732 (escaped_vars_id): Ditto.
733 (nonlocal_vars_id): Ditto.
734 (new_var_info): Set directly_dereferenced.
735 (graph_size): New variable
736 (build_constraint_graph): Use graph_size.
737 (solve_graph): Don't process constraints that cannot change the
738 solution, don't try to propagate an empty solution to our
740 (process_constraint): Set directly_dereferenced.
741 (could_have_pointers): New function.
742 (get_constraint_for_component_ref): Don't process STRING_CST.
743 (nonlocal_lookup): New function.
744 (nonlocal_insert): Ditto.
745 (create_nonlocal_var): Ditto.
746 (get_nonlocal_id_for_type): Ditto.
747 (get_constraint_for): Allow results vector to be empty in the case
749 Handle results of calls properly.
750 (update_alias_info): Update alias info stats on number and type of
752 (find_func_aliases): Use could_have_pointers.
753 (make_constraint_from_escaped): Renamed from
754 make_constraint_to_anything, and changed to make constraints from
756 (make_constraint_to_escaped): New function.
757 (find_global_initializers): Ditto.
758 (create_variable_info_for): Make constraint from escaped to any
759 global variable, and from any global variable to the set of
761 (intra_create_variable_infos): Deal with escaped instead of
762 pointing to anything.
763 (set_uids_in_ptset): Do type pruning on directly dereferenced
765 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
766 (init_base_vars): Fix comment, and initialize escaped_vars.
767 (need_to_solve): Removed.
768 (find_escape_constraints): New function.
769 (expand_nonlocal_solutions): Ditto.
770 (compute_points_to_sets): Call find_escape_constraints and
771 expand_nonlocal_solutions.
772 (delete_points_to_sets): Don't fall off the end of the graph.
773 (init_alias_heapvars): Initialize nonlocal_for_type and
775 (delete_alias_heapvars): Free nonlocal_for_type and null out
778 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
780 * fold-const.c (add_double): Rename to add_double_with_sign.
781 Add 'unsigned_p' parameter and take it into account for the overflow.
782 (mul_double): Rename to mul_double_with_sign.
783 Add 'unsigned_p' parameter and take it into account for the overflow.
784 (fold_div_compare): Call add_double_with_sign instead of add_double
785 and mul_double_with_sign instead of mul_double, passing them the
786 unsignedness of the type.
787 * tree.h (add_double): Macroize.
788 (add_double_with_sign): New prototype.
789 (mul_double): Macroize.
790 (mul_double_with_sign): New prototype.
792 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
794 * config/score/crti.asm: New file.
795 * config/score/crtn.asm: New file.
796 * config/score/elf.h: New file.
797 * config/score/mac.md: New file.
798 * config/score/misc.md: New file.
799 * config/score/mul-div.S: New file.
800 * config/score/predicates.md: New file.
801 * config/score/score7.md: New file.
802 * config/score/score.c: New file.
803 * config/score/score-conv.h: New file.
804 * config/score/score.h: New file.
805 * config/score/score.md: New file.
806 * config/score/score-mdaux.c: New file.
807 * config/score/score-mdaux.h: New file.
808 * config/score/score-modes.def: New file.
809 * config/score/score.opt: New file.
810 * config/score/score-protos.h: New file.
811 * config/score/score-version.h: New file.
812 * config/score/t-score-elf: New file.
813 * config.gcc: Add score*-*-* configurations(Update before).
814 * doc/invoke.texi (Score Options): New section.
815 * doc/md.texi (Score family): New section to document constraints.
817 2006-10-19 Nick Clifton <nickc@redhat.com>
819 * config/arm/arm.c: Fix spelling typo.
821 2006-10-18 Tom Tromey <tromey@redhat.com>
823 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
825 2006-10-18 Jan Hubicka <jh@suse.cz>
828 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
831 2006-10-18 Marcin Dalecki <martin@dalecki.de>
833 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
834 TSI_SAME_STMT, since that's the desired entity.
836 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
838 * config/s390/contraints.md: New file.
839 * config/s390/s390-protos.h (s390_mem_constraint,
840 s390_O_constraint_str, s390_N_constraint_str,
841 s390_float_const_zero_p): Function prototypes added.
842 * config/s390/s390.c (s390_extra_constraint_str,
843 s390_const_double_ok_for_constraint_p,
844 s390_const_ok_for_constraint_p): Functions removed.
845 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
846 s390_float_const_zero_p): New functions.
847 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
848 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
849 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
850 Macro definitions removed.
851 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
852 s390_extra_constraint_str): Functions removed.
854 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
855 Richard Sandiford <richard@codesourcery.com>
858 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
859 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
861 2006-10-16 Geoffrey Keating <geoffk@apple.com>
863 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
864 (DWARF2_FRAME_REG_OUT): Likewise.
865 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
866 (DWARF2_FRAME_REG_OUT): Likewise.
868 2006-10-17 Paul Brook <paul@codesourcery.com>
870 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
872 2006-10-16 Brooks Moses <bmoses@stanford.edu>
874 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
875 Standardize on "GNU Fortran" as the official name of the Fortran
878 2006-10-16 Mike Stump <mrs@apple.com>
880 * doc/invoke.texi (Darwin Options): Document -mkernel.
881 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
883 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
884 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
885 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
886 (OS_MISSING_ALTIVEC): Add.
887 * config/i386/i386.c (override_options): Add
888 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
889 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
890 -mkernel, -static or -mdynamic-no-pic is given.
891 (C_COMMON_OVERRIDE_OPTIONS): Add.
892 * config/darwin.opt (fapple-kext): Add.
894 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
895 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
897 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
898 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
899 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
900 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
901 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
903 (flag_apple_kext): Add.
904 (TARGET_KEXTABI): Add.
905 * config/darwin.c (darwin_handle_kext_attribute): Add.
906 (DARWIN_VTABLE_P): Add.
907 (darwin_binds_local_p): Add partial support for rebinding vtables
909 (darwin_kextabi_p): Add.
910 (darwin_override_options): Add.
911 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
912 (darwin_kextabi_p): Add.
913 (darwin_override_options): Add.
914 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
915 __DYNAMIC__ and __STATIC__ here.
917 2006-10-16 Brooks Moses <bmoses@stanford.edu>
919 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
920 Added mention of "make pdf" target, and Texinfo requirements for
923 2006-10-16 DJ Delorie <dj@redhat.com>
925 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
926 into the GOT in case we need a subreg of the address.
928 2006-10-16 Richard Guenther <rguenther@suse.de>
931 * doc/extend.texi (X86 Built-in Functions): Fix typos in
932 SSE builtin documentation. Document SSE2 builtins.
934 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
936 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
937 symbol in the output file for non-shared links when -nostdlib or
938 -nodefaultlibs isn't specified.
940 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
941 posix thread support.
943 2006-10-15 Jan Hubicka <jh@suse.cz>
946 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
947 declared always_inline even when not inlining.
949 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
950 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
951 Andrew Pinski <pinskia@gmail.com>
954 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
956 2006-10-15 Jan Hubicka <jh@suse.cz>
957 Richard Guenther <rguenther@suse.de>
960 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
961 process_function_and_variable_attributes on all variables, including
962 those discovered during cgraph construction phase.
964 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
966 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
968 2006-10-14 Uros Bizjak <uros@kss-loka.si>
970 * config/i386/athlon.md (athlon_fist): Add fisttp.
972 2006-10-13 David Edelsohn <edelsohn@gnu.org>
973 Ian Lance Taylor <ian@airs.com>
976 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
977 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
980 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
982 * config/score/score.c, config/score/score.h: Fix comment
985 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
988 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
991 2006-10-13 Eric Christopher <echristo@apple.com>
993 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
995 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
998 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
999 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1000 alignment supported by 32-bit ELF.
1002 2006-10-13 Eric Christopher <echristo@apple.com>
1004 * config/darwin.c (darwin_emit_unwind_label): Strip
1005 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1007 2006-10-13 Richard Guenther <rguenther@suse.de>
1009 PR tree-optimization/29446
1010 * tree-vrp.c (fix_equivalence_set): Remove.
1011 (extract_range_from_assert): Do not call fix_equivalence_set.
1012 (debug_value_range): Print a newline.
1013 (compare_name_with_value): For equivalence sets with
1014 inconsistent value ranges conservatively bail out.
1015 (compare_names): Likewise.
1017 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1019 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1020 and MPFR for gfortran.
1022 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1024 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1025 alignment supported by 32-bit ELF.
1027 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1031 * c-typeck.c (digest_init): Always allow initializing vectors
1032 that have static storage duration with compound literals.
1033 * tree.c (build_type_attribute_qual_variant): New, based on
1034 build_type_attribute_variant.
1035 (build_type_attribute_variant): Rewrite using the former.
1036 (make_vector_type): Use build_type_attribute_qual_variant to build
1037 type variants. Use type_hash_canon on the others.
1039 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1040 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1042 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1044 2006-10-12 Jan Hubicka <jh@suse.cz>
1047 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1048 current_function_decl is set but current_function_scope is not.
1050 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1052 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1053 emit_insn to emit eh_return_internal instruction.
1054 (eh_return_internal): Explicitly set pc.
1056 2006-10-11 Richard Guenther <rguenther@suse.de>
1058 PR tree-optimization/28230
1059 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1060 to the correct place.
1062 2006-10-11 Richard Guenther <rguenther@suse.de>
1065 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1068 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1070 * configure.ac: Added pdf to "Make-hooks"
1071 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1072 targets and *.pdf file patterns in cleanup targets.
1073 * configure: Regenerated.
1075 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1077 * config/avr/predicates.md: New file.
1078 * config/avr/avr.md: Include it.
1079 (REG_SP): New constant.
1080 (peepholes): Use predicates.
1081 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1082 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1083 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1085 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1087 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1090 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1093 * builtins.c (var_decl_component_p): New function.
1094 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1095 single entry optimization to variables and components thereof.
1097 2006-10-10 Richard Guenther <rguenther@suse.de>
1099 PR rtl-optimization/29323
1100 * except.c (set_nothrow_function_flags): For functions
1101 that do not bind local bail out early.
1103 2006-10-10 Ben Elliston <bje@au.ibm.com>
1105 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1108 2006-10-09 Richard Henderson <rth@redhat.com>
1110 Revert emutls patch.
1112 2006-10-09 Richard Guenther <rguenther@suse.de>
1115 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1118 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1121 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1122 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1123 * configure: Regenerate.
1124 * config.in: Regenerate.
1126 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1128 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1130 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1132 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1133 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1134 Remove stray newline.
1136 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1138 * config/mips/mips.c (mips_classify_symbol): Do not return
1139 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1140 (mips_in_small_data_p): Tweak comments.
1142 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1144 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1146 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1148 * gimplify.c, sched-int.h: Fix comment typos.
1150 * sched-int.h: Fix comment typos.
1152 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1154 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1156 * sched-ebb.c (begin_schedule_ready): Use them.
1157 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1158 add_to_speculative_block, create_check_block_twin, speculate_insn,
1159 fix_jump_move, move_block_after_check): Ditto.
1160 * sched-rgn.c (new_ready): Ditto.
1162 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1164 PR rtl-optimization/29128
1165 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1166 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1167 allow interblock movement of speculation checks.
1169 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1172 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1173 casted to integer type.
1174 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1175 if they are significantly more expensive than [reg + index] ones.
1177 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1179 PR tree-optimization/29330
1180 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1181 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1182 on newly allocated ddrs.
1183 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1184 to VEC (loop_p, heap) pointer.
1185 (compute_data_dependences_for_loop): Adjust caller.
1186 (free_dependence_relations): Free DDR_LOOP_NEST.
1188 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1189 free DEPENDENCE_RELATIONS and DATAREFS.
1192 * builtins.c (expand_builtin_sync_operation,
1193 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1194 Use convert_to_mode to handle promoted arguments.
1196 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1198 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1200 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1202 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1204 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1206 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1207 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1208 Use <modeconstraint> instead of "r" as operand 1 constraint.
1210 2006-10-06 Olivier Hainque <hainque@adacore.com>
1212 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1213 Don't recurse on the pointed-to type.
1214 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1215 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1216 types with components of variable size.
1218 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1220 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1222 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1224 PR tree-optimization/29290
1225 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1229 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1230 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1233 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1234 the number of vector elements fill the rest with zeros.
1236 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1238 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1239 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1242 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1244 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1245 unnamed pattern into subsi3. Use correct constraints/predicates.
1246 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1247 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1249 2006-10-05 Ira Rosen <irar@il.ibm.com>
1251 * doc/loop.texi: Add data references analysis description.
1253 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1255 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1257 2006-10-04 Richard Henderson <rth@redhat.com>
1258 Jakub Jelinek <jakub@redhat.com>
1260 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1261 * builtin-types.def (BT_WORD): Make unsigned.
1262 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1263 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1264 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1265 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1266 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1267 * cgraph.c (decide_is_variable_needed): Look at force_output.
1268 Recurse for emulated tls.
1269 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1270 checks redundant with decide_is_variable_needed.
1271 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1272 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1274 * expr.c (emutls_var_address): New.
1275 (expand_expr_real_1): Expand emulated tls.
1276 (expand_expr_addr_expr_1): Likewise.
1277 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1278 * output.h (emutls_finish): Declare.
1279 * toplev.c (compile_file): Call it.
1280 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1281 address before wrapping in CONST.
1282 * varasm.c (emutls_htab, emutls_object_type): New.
1283 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1284 (get_emutls_object_name, get_emutls_object_type): New.
1285 (get_emutls_init_templ_addr, emutls_decl): New.
1286 (emutls_common_1, emutls_finish): New.
1287 (assemble_variable): When emulating tls, swap decls; generate
1288 constructor for the emutls objects.
1289 (do_assemble_alias): When emulating tls, swap decl and target name.
1290 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1292 * emutls.c: New file.
1293 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1294 tls_object for real tls.
1296 2006-10-04 Zack Weinberg <zackw@panix.com>
1298 Fix bug in constraint-check generator, reported by Rask Ingemann
1300 * genpreds.c (add_constraint): Don't remove anything from the
1302 (write_tm_constrs_h): Detect whether "op" argument is used, and
1303 mark it ARG_UNUSED if it isn't.
1304 (write_insn_const_int_ok_for_constraint): Skip the part of the
1305 expression that would test whether "op" (which is not available
1306 here) is a CONST_INT.
1308 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1311 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1313 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1315 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1316 current Leopard versions.
1317 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1319 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1321 * doc/install.texi: Fix typos.
1323 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1325 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1326 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1327 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1329 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1331 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1332 arg to be struct mach_header_64* instead.
1334 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1337 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1338 side effects after the outer expression's post side effects.
1340 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1342 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1343 comments to reflect actual behavior and relationship between
1344 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1346 * doc/c-tree.texi (Working with declarations): Fix documentation
1347 of FIELD_DECL likewise.
1349 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1352 * doc/extend.texi: Add used variable attribute description.
1354 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1357 * c.opt (Woverride-init): New.
1358 * c-opts.c (c_common_post_options): Default warn_override_init to
1360 * c-typeck.c (add_pending_init, output_init_element): Warn for
1361 overriding initializers without side effects.
1362 * doc/invoke.texi (-Woverride-init): Document.
1365 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1367 PR rtl-optimization/28096
1368 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1369 assignment has already been used as a destination earlier in the block.
1371 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1373 * builtins.c (expand_builtin_setjmp): Delete.
1374 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1375 <BUILT_IN_SETJMP_SETUP>: New case.
1376 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1377 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1378 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1379 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1380 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1381 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1382 (lower_function_body): Initialize it to false. If it is set to true
1383 at the end of the processing, emit the setjmp dispatcher.
1384 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1385 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1386 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1387 on the rhs of the assignment.
1388 (lower_builtin_setjmp): New function.
1389 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1390 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1391 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1392 to detect calls that can go to non-local labels. Use specific
1393 helper to create the abnormal edges associated with them.
1394 <MODIFY_EXPR>: Likewise.
1395 (make_abnormal_goto_edges): New function extracted from...
1396 (make_goto_expr_edges): ...here. Call it for computed gotos.
1397 (simple_goto_p): Minor tweak.
1398 (tree_can_make_abnormal_goto): New predicate.
1399 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1400 (tree_purge_dead_abnormal_call_edges): New function.
1401 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1402 (tree_purge_dead_abnormal_call_edges): Likewise.
1403 (make_abnormal_goto_edges): Likewise.
1404 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1405 Purge all dead abnormal edges if the call was in the last statement.
1406 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1407 (execute_fixup_cfg): If there are non-local labels in the function,
1408 scan the basic blocks and split them at calls that can go to non-local
1409 labels or add missing abnormal call edges. Write down the CFG in the
1411 (pass_fixup_cfg): Remove TODO_dump_func flag.
1412 * unwind-sjlj.c: Poison setjmp.
1413 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1414 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1415 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1416 (DONT_USE_BUILTIN_SETJMP): Document it.
1418 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1421 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1422 to 1 when __ppc64__ is defined.
1423 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1425 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1427 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1429 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1430 * config/ia64/unwind-hpux.c: Delete.
1432 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1434 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1435 on the element before gimplifying it, instead of punting if it is of
1438 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1440 * doc/loop.texi: New file.
1441 * doc/gccint.texi: Reference loop.texi.
1442 * Makefile.in (loop.texi): Add.
1444 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1446 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1448 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1449 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1451 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1453 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1455 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1457 * doc/install.texi: Document required versions of GMP and MPFR.
1459 2006-09-27 Paul Brook <paul@codesourcery.com>
1462 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1464 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1466 * reload1.c (alter_reg): Require the alignment of the stack slot to
1467 be at least reg_max_ref_width bytes.
1468 (scan_paradoxical_subregs): Record the largest width in
1471 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1475 * tree-nested.c (struct nesting_info): Added static_chain_added.
1476 (convert_call_expr): Set static_chain_added when adding static
1477 chain. Handle OMP_PARALLEL and OMP_SECTION.
1479 2006-09-25 Matthias Klose <doko@debian.org>
1481 * doc/invoke.texi: Add missing full stop.
1483 2006-09-25 Richard Henderson <rth@redhat.com>
1485 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1486 before cgraph_function_flags_ready.
1488 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1489 Adam Nemet <anemet@caviumnetworks.com>
1491 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1492 determine_common_wider_type): New functions.
1493 (get_computation_aff): Use them to simplify arithmetic between
1494 UBASE and CBASE if they are shortened from the same type.
1496 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1499 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1500 -2147483647 - 1 instead of 0x80000000.
1502 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1504 * flags.h (HONOR_NANS): Fix typo in comment.
1506 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1508 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1510 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1514 * tree.c (merge_attributes, attribute_list_contained): If both
1515 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1517 * c-typeck.c (comptypes_internal): Don't consider aggregates
1518 in different TUs as compatible if there one set of attributes is
1519 not a subset of the other type's attributes.
1520 (composite_type): Try harder not to create a new aggregate type.
1522 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1524 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1525 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1526 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1527 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1528 than replicating condition above.
1529 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1531 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1532 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1533 the linker by default.
1535 2006-09-22 Mike Stump <mrs@apple.com>
1537 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1540 2006-09-22 Richard Guenther <rguenther@suse.de>
1543 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1544 sort of stack variables stable.
1546 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1549 * explow.c (force_reg): Set REG_POINTER flag according to
1552 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1554 PR tree-optimization/28888
1555 * tree-if-conv.c (combine_blocks): Rewritten.
1556 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1557 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1559 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1561 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1564 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1566 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1568 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1570 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1572 2006-09-21 Roger Sayle <roger@eyesopen.com>
1575 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1576 dw_fde_current_label, to be the start of the function, i.e. the same
1577 value as dw_fde_begin.
1579 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1581 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1582 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1583 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1584 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1585 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1586 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1587 (abs<mode>2, neg<mode>2): Likewise.
1588 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1589 (*mips_abs_ps): New define_insn.
1591 2006-09-20 Josh Conner <jconner@apple.com>
1594 * calls.c (expand_call): Allow reuse of structure return stack
1597 2006-09-20 Paul Brook <paul@codesourcery.com>
1599 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1602 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1604 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1605 clean up terminology.
1607 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1610 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1611 with tablejumps in them.
1613 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1616 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1617 wrap it into TARGET_EXPR.
1619 2006-09-20 Eric Christopher <echristo@apple.com>
1621 * config/i386/i386.c (x86_fisttp): Remove.
1622 * config/i386/i386.h (x86_fisttp): Ditto.
1623 (TARGET_FISTTP): Ditto.
1625 2006-09-19 Eric Christopher <echristo@apple.com>
1627 * doc/tm.texi (OBJC_JBLEN): Describe.
1628 * config/i386/darwin.h (OBJC_JBLEN): Define.
1629 * config/rs6000/darwin.h: Ditto.
1631 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1633 PR rtl-optimization/21299
1634 * reload1.c (reload): Purge invalid ASMs in the final pass.
1636 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1639 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1640 pointers as legitimate constants.
1642 2006-09-19 Paul Brook <paul@codesourcery.com>
1645 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1647 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1649 PR tree-optimization/28887
1650 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1651 component parts from the reference.
1652 (gather_memory_references_ref): Record the reference without the
1653 nonaddressable component parts.
1655 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1658 * c-opts.c (c_common_handle_option): Ignore the -std options
1659 if the input language is assembly.
1661 2006-09-17 Ira Rosen <irar@il.ibm.com>
1664 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1666 (ptr_ptr_may_alias_p): Likewise.
1667 (record_record_differ_p): New function.
1668 (base_object_differ_p): Call record_record_differ_p.
1670 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1673 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1674 away for the expr argument.
1676 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1679 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1680 before using it for dumping after vectorizing loops.
1682 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1683 Jack Howarth <howarth@bromo.med.uc.edu>
1686 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1687 skip on error_mark_node.
1688 (rs6000_darwin64_record_arg_recurse): Likewise.
1690 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1692 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1693 * doc/rtl.texi: Remove related documentation.
1695 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1697 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1700 2006-09-15 Jim Wilson <wilson@specifix.com>
1702 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1703 Handle symbol offsets same as they are handled in ia64_expand_move
1706 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1708 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1709 Add forgotten parameter to the fprintf call.
1711 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1713 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1715 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1717 * doc/contrib.texi: Add my entry.
1719 2006-09-15 Nick Clifton <nickc@redhat.com>
1721 * doc/md.texi (Processor pipeline description): Fix typo in
1722 example of how to use the absence_set directive and reword the
1723 description to make it slightly easier to read.
1725 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1727 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1728 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1729 expanding the number of iterations.
1730 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1732 * cfgrtl.c (emit_insn_at_entry): New function.
1733 * rtl.h (emit_insn_at_entry): Declare it.
1734 * integrate.c (emit_initial_value_sets): Use it.
1736 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1738 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1740 (struct loop_work and related VEC declarations): Delete.
1741 (bfin_dump_loops): Print out new member bad.
1742 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1743 (bfin_scan_loop): Don't recurse.
1744 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1745 loops. No longer need to update outer loops if the current one is
1746 found bad. Move some validitiy checks to bfin_discover_loop.
1747 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1748 but changed not to check for nesting. Also changed to use the new bad
1750 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1751 time. Use bitmap based test to discover loop nesting.
1753 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1755 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1758 2006-09-14 Richard Guenther <rguenther@suse.de>
1759 Kazu Hirata <kazu@codesourcery.com>
1761 PR middle-end/28884.
1762 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1763 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1764 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1765 with TARGET_FUNCTION_VALUE.
1767 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1770 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1772 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1774 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1777 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1780 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1783 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1785 * basic_block.h (bb_has_eh_pred): Fix comment.
1787 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1789 * flow.c (calculate_global_regs_live): Invalidate eh registers
1790 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1791 (propagate_block): Handle eh registers as if they were set at basic
1793 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1795 * global.c (global_conflicts): Make eh registers to conflict with
1796 pseudos live at basic block begin.
1797 * basic_block.h (bb_has_eh_pred): New function.
1799 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1801 PR rtl-optimization/28982
1802 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1803 index of a PRE_MODIFY or POST_MODIFY address.
1804 * reload1.c (inc_for_reload): Use find_replacement on the original
1805 base and index registers.
1807 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1809 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1810 for -Os. Update __m128 alignment requirement.
1812 2006-09-13 Jan Hubicka <jh@suse.cz>
1814 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1816 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1818 PR rtl-optimization/28243
1819 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1820 the insn to which the note was originally attached.
1822 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1823 Roger Sayle <roger@eyesopen.com>
1825 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1826 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1827 on platforms that don't use dwarf for debug info.
1829 2006-09-12 Jason Merrill <jason@redhat.com>
1832 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1833 hard_frame_pointer_rtx after using it to update the frame pointer.
1835 2006-09-12 Roger Sayle <roger@eyesopen.com>
1837 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1838 (TARGET_ASM_CLOSE_PAREN): Likewise.
1839 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1840 (TARGET_ASM_CLOSE_PAREN): Likewise.
1842 2006-09-12 Roger Sayle <roger@eyesopen.com>
1845 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1846 frame information for frames larger than 512 Kbytes on Tru64 when
1847 using the native assembler.
1849 2006-09-12 Roger Sayle <roger@eyesopen.com>
1853 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1854 and symbols. Instead use the implementation from cse.c's hash_rtx.
1856 2006-09-12 Jan Hubicka <jh@suse.cz>
1858 PR rtl-optimization/28071
1859 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1860 (vect_transform_loop): Likewise.
1861 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1862 (new_loop_vec_info): Likewise.
1863 (destroy_loop_vec_info): Likewise.
1864 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1865 (create_stmt_ann): Likewise.
1866 (create_tree_ann): Rename to ...
1867 (create_tree_common_ann): ... this one; allocate only the common part
1869 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1870 (get_value_handle): Likewise.
1871 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1872 get_tree_common_ann.
1873 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1874 (vinfo_for_stmt): Use stmt annotations.
1875 * tree-flow.h (tree_ann_common_t): New type.
1876 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1877 (tree_ann, get_tree_ann, create_tree_ann): New.
1878 * tree-flow-inline.h (get_function_ann): Do more type checking.
1879 (stmt_ann): Likewise.
1880 (tree_ann): Rename to ...
1881 (tree_common_ann): ... this one; return ony common_ann
1882 (get_tree_ann): Rename to ...
1883 (tree_common_ann): This one; return only common_ann.
1884 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1887 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1889 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1890 with_cpu by default.
1892 * dwarf2out.c (dwarf_file_data): New.
1893 (enum dw_val_class): Add dw_val_class_file.
1894 (struct dw_val_struct): Add val_file.
1895 (file_table): Change to a hash table.
1896 (file_table_emitted): Delete.
1897 (file_table_last_lookup_index): Delete.
1898 (emitcount): Delete.
1899 (last_emitted_file): New.
1900 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1901 (init_file_table): Delete.
1902 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1903 (AT_addr): Add comment.
1907 (print_die): Handle dw_val_class_file.
1908 (print_dwarf_line_table): Update for new file table structure.
1909 (attr_checksum): Do checksum a filename.
1910 (same_dw_val_p, same_attr_p): Do compare a filename.
1911 (size_of_die): Handle dw_val_class_file.
1912 (value_format): Likewise.
1913 (output_die): Likewise. Also, call maybe_emit_file here.
1914 (struct file_info): Constify filenames. Make file_idx a pointer
1915 to a struct dwarf_file_data.
1916 (struct dir_info): Constify directory names. Remove 'used' field.
1917 (struct file_name_acquire_data): New.
1918 (file_name_acquire): New.
1919 (output_file_names): Modify to handle new file data structures.
1920 (add_src_coords_attributes): Use add_AT_file.
1921 (add_call_src_coords_attributes): Likewise.
1922 (dwarf2out_imported_module_or_decl): Likewise.
1923 (gen_subprogram_die): Modify for new file data structures.
1924 (gen_variable_die): Likewise.
1925 (file_table_eq): New.
1926 (file_table_hash): New.
1927 (file_table_last_lookup): New.
1928 (lookup_filename): Rewrite to handle new file data structures.
1929 (maybe_emit_file): Rewrite to handle new file data structures.
1930 (dwarf2out_source_line): Always call lookup_filename and
1932 (dwarf2out_init): Create file_table here.
1933 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1934 (file_table_relative_p): New.
1935 (dwarf2out_finish): Change detection of relative filenames
1936 to work with new file data structures. Move output_line_info call
1937 after debug_info output.
1939 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1944 * config/i386/i386.c (override_options): Always default to 16
1945 byte stack boundary.
1947 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1950 * var-tracking.c (dump_dataflow_set): Start dumping at
1952 (clobber_variable_part): Kill only the variable part in
1953 registers holding it, leaving other variables alone.
1955 2006-09-11 Josh Triplett <josh@freedesktop.org>
1957 * doc/extend.texi (Other Builtins): Actually use the macro
1958 argument in the documentation example for
1959 __builtin_types_compatible_p.
1961 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1963 PR rtl-optimization/28726
1964 * sched-deps.c (sched_analyze_reg): New function extracted from...
1965 (sched_analyze_1): ...here. Call it to analyze references to
1966 registers. Treat again writes to a stack register as writing to the
1968 (sched_analyze_2): ...and here. Call it to analyze references to
1969 registers. Treat again reads of a stack register as reading the
1972 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1973 David Edelsohn <edelsohn@gnu.org>
1976 * config/rs6000/spe.md (frob_df_di): Remove %H.
1977 (frob_di_df): Remove %H. Change evmergelo to mr.
1978 (frob_di_df_2): Remove %H. Change evldd to two loads.
1980 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1982 * doc/cpp.texi: Fix names of charset options.
1984 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1987 * config/i386/i386.c (override_options): Use 128-bit
1988 stack boundary always for 64bits.
1990 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1992 PR rtl-optimization/28636
1993 * combine.c (force_to_mode): Test for side-effects before
1994 substituting by zero.
1995 (simplify_shift_const): Likewise for zero or other constants.
1997 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2000 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2003 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2006 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2007 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2008 returned by mode_for_size, rather than the mode of src itself,
2009 to choose between 32-bit and 64-bit patterns.
2010 (mips_mem_fits_mode_p): New function.
2011 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2012 that the size of the source matches the size of the destination.
2013 (mov_<store>l, mov_<store>r): Likewise.
2015 2006-09-10 Eric Christopher <echristo@apple.com>
2017 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2020 2006-09-09 Eric Christopher <echristo@apple.com>
2023 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2026 2006-09-09 Roger Sayle <roger@eyesopen.com>
2027 Nicolas Setton <setton@adacore.com>
2029 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2031 2006-09-10 Andreas Schwab <schwab@suse.de>
2033 * config/m68k/m68k.md (bungt_rev): New pattern.
2035 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2036 Dale Johannesen <dalej@apple.com>
2039 * regclass.c (struct reg_pref): Update documentation.
2040 (regclass): Set prefclass to NO_REGS if memory is the best option.
2041 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2043 2006-09-08 Eric Christopher <echristo@apple.com>
2045 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2046 * config/t-slibgcc-darwin: Support x86_64 multilib.
2047 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2048 Return 1 for x86_64-darwin.
2049 * config/i386/t-darwin: Add m64 multilib.
2050 (LIB2_SIDITI_CONV_FUNCS): Use.
2051 (LIB2FUNCS_EXTRA): Ditto.
2052 * config/i386/darwin.h: Support x86_64.
2053 * config/i386/i386.c (override_options): Turn on flag_pic
2054 for x86_64-darwin. Disable flag_omit_pointer.
2055 (get_pc_thunk_name): Assert !TARGET_64BIT.
2056 (legitimate_address_p): Disable machopic addressing for
2058 (legitimize_pic_address): Ditto.
2059 (ix86_expand_move): Ditto.
2060 (ix86_expand_call): Ditto.
2061 (machopic_output_stub): Ditto.
2062 * config/darwin.c (machopic_select_section): Support literal16.
2063 (machopic_select_rtx_section): Ditto.
2064 * config/darwin-sections.def: Ditto.
2065 * config/darwin-64.c: New.
2067 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2070 * c-tree.h (struct c_arg_info): Add pending_sizes.
2071 * c-parser.c (c_parser_parms_declarator,
2072 c_parser_parms_list_declarator): Initialize pending_sizes.
2073 * c-decl.c (get_parm_info): Initialize pending_sizes.
2074 (get_parm_info): Set pending_sizes.
2075 (grokdeclarator): Call put_pending_sizes for parameters for
2076 function definition only.
2078 2006-09-07 Jason Merrill <jason@redhat.com>
2081 * varasm.c (output_constant): Only strip actual no-op conversions.
2084 * config/i386/i386.c (override_options): Use 128-bit
2085 stack boundary if -msse.
2087 2006-09-07 Eric Christopher <echristo@apple.com>
2089 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2091 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2094 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2096 * dwarf2out.c: Remove strange characters from comment above
2097 dwarf2out_frame_debug_expr.
2099 2006-09-07 Eric Christopher <echristo@apple.com>
2101 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2102 * config/darwin.h: ... to here.
2104 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2106 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2108 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2109 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2111 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2112 TARGET_PARTIAL_FLAG_REG_STALL.
2113 (*ashldi3_cconly_rex64): Likewise.
2114 (*ashlsi3_cmp): Likewise.
2115 (*ashlsi3_cconly): Likewise.
2116 (*ashlsi3_cmp_zext): Likewise.
2117 (*ashlhi3_cmp): Likewise.
2118 (*ashlhi3_cconly): Likewise.
2119 (*ashlqi3_cmp): Likewise.
2120 (*ashlqi3_cconly): Likewise.
2121 (*ashrdi3_cmp_rex64): Likewise.
2122 (*ashrdi3_cconly_rex64): Likewise.
2123 (*ashrsi3_cmp): Likewise.
2124 (*ashrsi3_cconly): Likewise.
2125 (*ashrsi3_cmp_zext): Likewise.
2126 (*ashrhi3_cmp): Likewise.
2127 (*ashrhi3_cconly): Likewise.
2128 (*ashrqi3_cmp): Likewise.
2129 (*ashrqi3_cconly): Likewise.
2130 (*lshrdi3_cmp_rex64): Likewise.
2131 (*lshrdi3_cconly_rex64): Likewise.
2132 (*lshrsi3_cmp): Likewise.
2133 (*lshrsi3_cconly): Likewise.
2134 (*lshrsi3_cmp_zext): Likewise.
2135 (*lshrhi3_cmp): Likewise.
2136 (*lshrhi3_cconly): Likewise.
2137 (*lshrqi2_cmp): Likewise.
2138 (*lshrqi2_cconly): Likewise.
2140 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2143 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2144 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2145 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2146 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2147 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2148 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2149 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2150 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2151 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2152 implement only CC setting effects of shift instructions.
2154 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2156 * doc/contrib.texi: Add myself.
2158 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2161 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2162 was set by the user.
2164 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2167 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2168 (divsi_inv_m1): Use them.
2169 (UNSPEC_DIV_INV_TABLE): New constant.
2171 2006-09-06 James E Wilson <wilson@specifix.com>
2174 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2175 then call count_or_remove_death_notes.
2177 2006-09-06 Jason Merrill <jason@redhat.com>
2180 * tree-inline.c (copy_result_decl_to_var): New fn.
2181 (declare_return_variable): Use it. Call declare_inline_vars here.
2182 (expand_call_inline): Not here.
2184 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2186 * doc/contrib.texi: Update my entry.
2188 2006-09-06 Nick Clifton <nickc@redhat.com>
2190 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2192 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2195 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2196 (canonicalize_induction_variables): Likewise.
2197 (tree_unroll_loops_completely): Likewise.
2198 (tree_ssa_prefetch_arrays): Likewise.
2199 (remove_empty_loops): Likewise.
2200 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2201 TODO_cleanup_cfg instead of directly calling
2202 cleanup_tree_cfg_loop.
2203 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2205 (tree_unroll_loops_completely): Likewise.
2206 (remove_empty_loops): Likewise.
2207 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2208 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2209 of tree_ssa_unswitch_loops.
2210 (tree_ssa_loop_ivcanon): Use the return value of
2211 canonicalize_induction_variables.
2212 (tree_ssa_empty_loop): Use the return value of
2214 (tree_complete_unroll): Use the return value of
2215 tree_unroll_loops_completely.
2216 (tree_ssa_loop_prefetch): Use the return value of
2217 tree_ssa_prefetch_arrays.
2218 * passes.c (execute_todo): Before Cleanup CFG, set
2219 updating_used_alone and after cleanup CFG, call
2220 recalculate_used_alone.
2222 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2225 * tree-vect-transform.c (vectorizable_condition): Move the check
2226 for the type after the check for simple condition.
2228 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2229 Kaz Kojima <kkojima@gcc.gnu.org>
2232 * mode-switching.c (optimize_mode_switching): Make the destination
2233 block of an abnormal edge have no anticipatable mode. Don't
2234 insert mode switching code at the end of the source block of
2237 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2239 PR rtl-optimization/26847
2240 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2241 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2242 (simplify_plus_minus): Count n_constants while filling ops. Replace
2243 qsort with insertion sort. Before going through the array to simplify
2244 pairs, sort it. Delay early exit until after the first sort, exiting
2245 only if no swaps occurred. Simplify pairs in reversed order, without
2246 special-casing the first iteration. Pack ops after simplifying pairs.
2248 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2250 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2251 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2252 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2253 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2255 2006-09-05 Richard Guenther <rguenther@suse.de>
2257 PR tree-optimization/28900
2258 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2259 compound conditional before creating COND_EXPR condition.
2261 2006-09-05 Richard Guenther <rguenther@suse.de>
2263 PR tree-optimization/28905
2264 * tree-vrp.c (fix_equivalence_set): Manually implement
2265 !value_ranges_intersect_p to also handle symbolic ranges.
2267 2006-09-05 Richard Guenther <rguenther@suse.de>
2270 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2273 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2275 PR rtl-optimization/27616
2276 * cse.c (table_size): New static variable.
2277 (new_basic_block): Initialize it to 0.
2278 (remove_from_table): Decrement it.
2279 (insert): Increment it.
2280 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2281 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2282 fold_rtx_mem_1 if under the cap.
2283 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2284 the lookup of the equivalent expression and test for equality of the
2285 first operand of the equivalent expression before in turn looking up
2286 an equivalent constant for the second operand.
2288 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2291 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2292 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2293 pointer, instead of assuming it is possible to derive the
2294 correct args size from a call insn.
2296 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2299 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2300 (fold_builtin_mempcpy): Rename to...
2301 (fold_builtin_memory_op): ... this. Optimize one element copy
2303 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2305 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2306 (expand_builtin_memcpy, expand_builtin_mempcpy,
2307 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2308 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2309 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2310 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2312 2006-09-01 DJ Delorie <dj@redhat.com>
2314 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2315 (stzx_16): Likewise.
2316 ("stzx_24_<mode>"): Likewise.
2317 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2318 ("cmp<mode>_op"): New.
2319 (cmp<mode>): Change to expander; just save operands.
2321 (b<code>): Change to expander, emit compare here.
2322 (s<code>_op): Change to use split and expander.
2323 (s<code>_24_op): Likewise.
2324 (s<code>_<mode>): New.
2325 (s<code>_<mode>_24): New.
2326 (movqicc_<code>_<mode): New.
2327 (movhicc_<code>_<mode>): New.
2330 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2331 (m32c_pend_compare): New.
2332 (m32c_unpend_compare): New.
2333 (m32c_expand_scc): New.
2334 (m32c_expand_movcc): Emit the compare also.
2335 * config/m32c/predicates.md (mra_nopp_operand): New.
2337 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2338 Richard Guenther <rguenther@suse.de>
2339 Adam Nemet <anemet@caviumnetworks.com>
2342 * builtins.c (get_pointer_alignment): Handle more forms
2343 of base addresses that can be used to derive more precise
2344 information about alignment.
2346 2006-09-01 Jason Merrill <jason@redhat.com>
2349 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2352 * gimplify.c (voidify_wrapper_expr): Handle null type.
2354 2006-09-01 Josh Conner <jconner@apple.com>
2357 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2358 (execute_return_slot_opt): Use it.
2360 2006-08-31 Josh Conner <jconner@apple.com>
2363 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2364 returning aggregates.
2366 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2368 PR tree-optimization/28839
2369 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2370 blocks in that phi arguments appear.
2372 2006-08-31 Roger Sayle <roger@eyesopen.com>
2375 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2376 NULL, otherwise use an advance_loc4 to adjust relative to the
2378 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2379 (dwarf2out_switch_text_section): Reset the current label to avoid
2380 using advance_loc4 over section boundaries.
2382 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2385 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2386 r12 + SYMBOLIC_CONST.
2388 2006-08-30 Richard Guenther <rguenther@suse.de>
2390 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2392 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2394 PR rtl-optimization/27735
2395 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2396 Add new argument to keep track of whether an irreducible region
2397 was affected. All callers changed.
2398 (fix_irreducible_loops): Removed.
2399 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2400 flags were invalidated.
2402 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2404 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2405 instead of SF operands.
2406 (*fop_df_comm_sse): Likewise.
2407 (*fop_df_comm_i387): Likewise.
2408 (*fop_df_1_mixed): Likewise.
2409 (*fop_df_1_sse): Likewise.
2411 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2412 J"orn Rennecke <joern.rennecke@st.com>
2414 PR tree-optimization/17506
2415 * tree-ssa.c (warn_uninit): If warning about a location outside of
2416 the current function, note where the variable was declared.
2418 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2420 PR tree-optimization/28411
2421 * double-int.c (double_int_div): Use double_int_divmod.
2422 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2423 double_int_mod, double_int_smod, double_int_umod): New functions.
2424 * double-int.h (double_int_divmod, double_int_sdivmod,
2425 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2427 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2429 (get_computation_aff, get_computation_cost_at): Handle double_int
2430 return type of constant_multiple_of.
2432 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2435 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2436 an implicit conversion.
2438 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2440 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2442 2006-08-27 Roger Sayle <roger@eyesopen.com>
2444 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2447 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2449 * config/i386/crtfastmath.c: Fix a comment typo.
2451 2006-08-26 Roger Sayle <roger@eyesopen.com>
2453 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2454 temporary visit flags on CASE_LABEL_EXPRs.
2455 * c-common.c (match_case_to_enum): Add function comment. Avoid
2456 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2457 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2458 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2459 a constant, only warn if that constant value isn't handled.
2461 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2464 * input.h (restore_input_file_stack): Declare.
2465 (INPUT_FILE_STACK_BITS): Define.
2466 * toplev.c (fs_p, input_file_stack_history,
2467 input_file_stack_restored, restore_input_file_stack): New.
2468 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2469 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2470 (pop_srcloc): Don't free old state of stack.
2472 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2475 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2476 (PowerPC Type Attributes): New.
2478 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2480 * config/xtensa/xtensa.c (function_arg_boundary): New.
2481 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2483 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2484 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2486 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2489 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2492 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2494 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2495 (verify_local_live_at_start): Likewise.
2497 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2500 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2501 omp_add_variable): Treat sizes as variable whenever not
2504 2006-08-26 Richard Guenther <rguenther@suse.de>
2507 * fold-const.c (fold_binary): Fold temporary to correct
2508 type before constructing new comparison.
2510 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2513 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2514 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2516 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2519 * c-decl.c (start_function): Don't try to process prototype
2520 information from old declaration that isn't a function.
2522 2006-08-25 Jan Hubicka <jh@suse.cz>
2525 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2527 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2530 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2533 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2535 PR tree-optimization/16876
2536 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2537 exit if PARM doesn't match VALUE.
2539 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2541 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2542 literal_prefix directive.
2543 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2544 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2545 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2547 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2550 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2551 predicate to general_operand. Add 0->y and I->r alternatives.
2553 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2555 * doc/tm.texi: Fix a typo.
2556 * predict.c: Fix comment typos.
2558 2006-08-25 Nick Clifton <nickc@redhat.com>
2560 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2561 assertions of "cpu" and "machine".
2563 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2566 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2567 the access through a base which has an alias set of 0 cannot
2570 2006-08-24 Bill Wendling <wendling@apple.com>
2572 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2574 2006-08-24 Jan Hubicka <jh@suse.cz>
2576 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2578 2006-08-24 Jan Hubicka <jh@suse.cz>
2581 * cgraph.c: Fix comments.
2582 (cgraph_varpool_mark_needed_node): Mark only variables not already
2584 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2585 (cgraph_varpool_assembled_nodes_queue): New static variable.
2586 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2587 (cgraph_varpool_output_debug_info): New function.
2588 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2589 * Makefile.in: Add gt-cgraphunit.h
2591 2006-08-24 Jan Hubicka <jh@suse.cz>
2593 * predict.c (probability_reliable_p): New predicate.
2594 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2595 (predict_loops): Do not predict loop exit with less than 2%
2597 * basic-block.h (edge_probability_reliable_p,
2598 br_prob_note_reliable_p): Declare.
2599 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2600 prediction when static predictor is not reliable.
2601 * rs6000.c (output_cbranch): Likewise.
2603 2006-08-23 Stuart Hastings <stuart@apple.com>
2606 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2607 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2609 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2612 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2613 complex values, nor for generic vector values.
2615 2006-08-22 Richard Guenther <rguenther@suse.de>
2618 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2619 parameter. Convert arguments to arithmetic expression to the
2621 (analyze_scalar_evolution_1): Adjust caller.
2623 2006-08-22 Jan Hubicka <jh@suse.cz>
2625 Patch by Paolo Bonzini
2626 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2629 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2631 PR tree-optimization/28003
2632 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2633 before grouping aliases.
2635 2006-08-22 Roger Sayle <roger@eyesopen.com>
2637 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2638 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2640 2006-08-21 Jason Merrill <jason@redhat.com>
2643 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2644 wrapper. Loop to handle nested wrappers.
2645 (gimplify_bind_expr): Remove temp parameter.
2646 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2647 and STATEMENT_LIST on the rhs.
2648 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2649 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2650 (gimplify_target_expr): Remove special BIND_EXPR handling.
2652 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2654 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2657 2006-08-21 Olivier Hainque <hainque@adacore.com>
2659 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2660 Arrange for the temporary captures of components overlapping the lhs
2661 to happen before the lhs is possibly cleared.
2663 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2665 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2666 necessary places to pass the correct "number of registers" values
2669 2006-08-20 Jan Hubicka <jh@suse.cz>
2671 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2672 (create_name_tags): Instead of quadratic checking use hashtable.
2673 * bitmap.h: Include hashtab.h.
2674 (bitmap_hash): Declare.
2675 * bitmap.c (bitmap_hash): New function.
2677 2006-08-20 Jan Hubicka <jh@suse.cz>
2679 PR rtl-optimization/28071
2680 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2682 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2683 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2684 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2685 cgraph_decide_inlining_incrementally): Update use of
2686 cgraph_check_inline_limits.
2687 * cgraph.c (edge_hash, edge_eq): New function.
2688 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2689 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2690 cgraph_remove_node): Maintain call site hash.
2691 * cgraph.h (struct cgraph_node): Add call_site_hash.
2692 (cgraph_set_call_stmt): New function.
2694 2006-08-20 Jan Hubicka <jh@suse.cz>
2696 PR rtl-optimization/28071
2697 * reload1.c (reg_has_output_reload): Turn into regset.
2698 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2699 choose_reload_regs, emit_reload_insns): Update to new
2700 reg_has_output_reload.
2702 2006-08-20 Jan Hubicka <jh@suse.cz>
2705 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2706 function body sizes.
2707 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2709 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2712 * tree.c (handle_dll_attribute): Return early if not a
2713 var or function decl.
2715 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2718 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2719 alignment of SPE vector types.
2721 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2723 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2725 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2728 * cgraph.h (struct cgraph_node): Remove externally_visible
2730 * cgraphunit.c (process_function_and_variable_attributes): Set
2731 local.externally_visible rather than externally_visible.
2734 * c-common.c (handle_externally_visible_attribute): First look
2735 at TREE_CODE and only if it is function or var decl, check for
2736 non-public objects. Don't warn for DECL_EXTERNAL.
2737 * cgraphunit.c (process_function_and_variable_attributes): Warn
2738 if externally_visible attribute is used on non-public object.
2740 2006-08-17 Jan Hubicka <jh@suse.cz>
2742 PR tree-optimization/27865
2743 * reload1.c (forget_marked_reloads): New function.
2744 (forget_old_reloads_1): When data are passed, just mark the registers
2746 (reload_as_needed): Use the new mechanizm.
2748 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2751 * reload.h (reg_equiv_alt_mem_list): New declaration.
2752 * reload1.c (reg_equiv_alt_mem_list): New definition.
2753 (reload): Initialize it and release it.
2754 (delete_output_reload): Use it.
2755 * reload.c (push_reg_equiv_alt_mem): New function.
2756 (find_reloads_toplev): Call it.
2757 (find_reloads_address, find_reloads_address_1): Likewise.
2758 (find_reloads_subreg_address): Likewise.
2760 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2762 PR rtl-optimization/28489
2763 * sched-ebb.c (begin_schedule_ready): Create basic block
2765 (advance_target_bb): Skip empty blocks.
2766 * haifa-sched.c (bb_note): Make global.
2767 * sched-int.h (bb_note): Add prototype.
2769 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2771 PR tree-optimization/27865
2772 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2774 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2775 fold_used_pointer, pointer_used_p): New functions.
2776 (analyze_scalar_evolution_1): Use fold_used_pointer.
2777 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2778 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2781 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2784 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2785 or the INTEGER_CST. Fail on a CALL_EXPR.
2786 (fold_offsetof): Pass new argument to fold_offsetof_1.
2787 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2788 operand into an INDIRECT_REF.
2789 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2791 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2793 PR gcov/profile/26570
2794 * value-prof.c (static_values): Removed.
2795 (tree_find_values_to_profile): Do not set static_values.
2796 (find_values_to_profile): Do not free static_values.
2797 * profile.c (instrument_values): Do not free the values.
2798 (branch_prob): Free the values.
2800 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2802 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2804 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2807 * c-typeck.c (build_component_ref): Combine qualifiers of
2808 structure or union and field.
2810 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2812 PR rtl-optimization/28071
2813 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2814 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2815 * tree-into-ssa.c (struct dom_dfsnum): New.
2816 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2818 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2819 compute_global_livein.
2820 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2821 in phi nodes in the correct blocks.
2823 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2825 PR tree-optimization/28364
2826 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2828 (fold_affine_expr): New function.
2829 (may_eliminate_iv): Use fold_affine_expr.
2831 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2834 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2837 2006-08-16 Mike Stump <mrs@apple.com>
2839 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2840 * doc/cppopts.texi (-MD): Likewise.
2842 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2845 * c-common.c (handle_weak_attribute): Ignore and warn if
2846 not a FUNCTION_ or VAR_DECL.
2848 2006-07-15 Mike Stump <mrs@apple.com>
2851 * c-parser.c (c_parser_typeof_specifier): Don't use
2852 c_finish_expr_stmt, open code desired semantics instead.
2854 2006-08-15 Nick Clifton <nickc@redhat.com>
2856 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2857 fragment to tmake_file only if threads are enabled.
2858 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2859 * config/i386/t-gthr-win32: New file. ... here.
2861 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2864 * c-parser.c (c_parser_compound_statement_nostart): Reset
2865 parser->error after each statement.
2867 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2870 * omp-low.c (lower_omp_parallel): Convert t to
2871 receiver_decl's type.
2872 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2873 source before comparison.
2876 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2877 to itype in assignment to oldival2.
2879 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2883 * c-typeck.c (build_compound_expr): If the second expression
2884 is an error mark, then just return an error mark instead of
2885 creating a COMPOUND_EXPR.
2887 2006-07-14 Mike Stump <mrs@apple.com>
2889 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2891 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2893 * c-decl.c, var-tracking.c: Fix comment typos.
2895 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2897 PR rtl-optimization/28634
2898 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2899 for floating-point modes unless flag_unsafe_math_optimizations.
2901 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2902 Andrew Pinski <pinskia@physics.uc.edu>
2905 * tree.c (build_array_type): Unify array types with
2906 unspecified index_type.
2907 * c-decl.c (grokdeclarator): Make sure we do not modify a
2908 unified incomplete array type.
2909 * c-typeck.c (store_init_value): Create distinct type before
2910 filling in the index type in an initializer from a compound
2913 * c-decl.c (grokdeclarator): Remove code where we copy the
2916 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2918 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2919 into account for TODO_dump_cgraph.
2920 (TODO_update_ssa_no_phi): Likewise.
2921 (TODO_update_ssa_full_phi): Likewise.
2922 (TODO_update_ssa_only_virtuals): Likewise.
2923 (TODO_remove_unused_locals): Likewise.
2924 (TODO_set_props): Likewise.
2925 (TODO_update_stmt_usage): Likewise.
2927 2006-08-13 Dirk Mueller <dmueller@suse.de>
2929 * c-common.c (strict_aliasing_warning): Fix formatting.
2931 2006-08-13 Matthias Klose <doko@debian.org>
2933 * doc/invoke.texi: Fix spelling errors.
2935 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2937 PR rtl-optimization/23454
2938 * reorg.c (relax_delay_slots): Update comment.
2940 2006-08-11 Richard Guenther <rguenther@suse.de>
2943 * simplify-rtx.c (simplify_const_relational_operation):
2944 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2947 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2949 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2950 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2952 2006-08-10 Paul Brook <paul@codesourcery.com>
2954 * final.c (final_scan_insn): Clear current_insn_predicate before
2955 outputting inline asm.
2957 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2959 PR tree-optimization/26197
2960 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2961 get_ref_base_and_extent and overlap_subvar to add only relevant
2962 subvars as may-aliases.
2963 (add_may_alias_for_new_tag): New function, factored out of
2965 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2966 with additional argument.
2967 * tree-flow.h (new_type_alias): Takes additional argument.
2969 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2971 * gcov.c (no_data_file): New flag.
2972 (read_count_file): Set it if data file not present. Assume counts
2974 (output_lines): Don't name the data file, if there wasn't one.
2976 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2978 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2979 (rs6000_generate_compare): Tweak comments.
2980 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2982 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2984 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2985 (var_debug_decl): New function.
2986 (var_reg_set): Follow debug decl link. Add location even if
2987 reg is already known to hold some other variable.
2988 (var_mem_set): Follow debug decl link.
2989 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2990 decl link. Delete other known locations of the variable part
2992 (var_reg_delete, var_mem_delete): Delete other known locations
2993 of the variable part if requested.
2994 (same_variable_part_p): New function.
2995 (add_stores): Select MO_COPY when appropriate.
2996 (vt_initialize): Handle it.
2997 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2998 known locations for MO_SET and MO_CLOBBER.
2999 (find_variable_location_part): New function.
3000 (set_variable_part, delete_variable_part): Use it.
3001 (clobber_variable_part): New function.
3002 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3005 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3007 PR tree-optimization/26969
3008 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3009 with an empty list of PHIs.
3011 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3015 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3018 2006-08-06 Andreas Schwab <schwab@suse.de>
3020 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3021 string. Whitespace and comment fixup.
3023 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3026 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3030 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3033 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3035 2006-08-04 Jan Hubicka <jh@suse.cz>
3039 * reload.c (push_reload): Patch out the mismatching instruction;
3041 (find_reload): Bail out if the instruction was patched out.
3043 2006-08-04 Jan Hubicka <jh@suse.cz>
3045 PR tree-optimization/24888
3046 * tree-inline.c (expand_call_inline): Do not re-record variables.
3047 (declare_inline_vars): Add variable to unexpanded_var_list.
3049 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3050 Roger Sayle <roger@eyesopen.com>
3052 PR rtl-optimization/26244
3053 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3054 inner_const are negative or greater than or equal to the bitsize of
3055 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3056 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3057 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3058 CONST0_RTX (mode) when the new shift count is greater than or equal to
3059 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3062 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3064 * tree-cfg.c: Fix a comment typo.
3066 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3069 * varasm.c (output_constant): Give the front end another chance to
3070 expand constants, after stripping NOPs.
3072 2006-08-03 Jan Hubicka <jh@suse.cz>
3074 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3077 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3079 PR tree-optimization/27770
3080 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3081 declaration removed (moved to tree-flow.h).
3082 (vect_can_force_dr_alignment_p): Likewise.
3083 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3084 (moved from tree-vectorizer.h).
3085 (vect_can_force_dr_alignment_p): Likewise.
3086 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3087 from outside the vectorizer - in particular from cgraph stage.
3088 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3089 the alignment of global arrays when -fsection-anchors is enabled.
3090 * cgraphunit.c (cgraph_increase_alignment): New function.
3091 (cgraph_optimize): Call cgraph_increase_alignment.
3093 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3096 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3097 not reload a SPE symbol_ref into a lo_sum address.
3099 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3102 * dwarf2out.c (prune_unused_types_prune): Move call to
3103 prune_unused_types_update_strings to cover the parent DIE also.
3105 2006-08-02 Jan Hubicka <jh@suse.cz>
3107 PR gcov/profile/28480
3108 * tree-cfg.c (change_bb_for_stmt): New function.
3109 (tree_merge_blocks, tree_split_blocks): Use it.
3111 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3117 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3118 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3119 (cgraph_optimize): Likewise.
3121 2006-08-01 Stuart Hastings <stuart@apple.com>
3123 * rtl.h (UINTVAL) New.
3124 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3125 * testsuite/gcc.dg/20060801-1.c: New.
3127 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3130 * c-typeck.c (build_external_type): Mark used enum types.
3131 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3133 (gen_subprogram_die): Whitespace fix.
3135 2006-08-01 Jan Hubicka <jh@suse.cz>
3137 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3138 bitmap when not needed.
3139 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3142 2006-08-01 Dirk Mueller <dmueller@suse.de>
3144 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3146 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3148 * Makefile.in: Revert part of previous patch:
3149 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3152 2006-07-30 Eric Christopher <echristo@apple.com>
3155 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3156 (PowerPC Variable Attributes): New section.
3158 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3160 PR target/28126 (partial fix)
3161 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3163 2006-07-28 Jan Hubicka <jh@suse.cz>
3165 PR rtl-optimization/28071
3166 * cfgrtl.c (rtl_delete_block): Free regsets.
3167 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3169 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3171 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3172 and variables used in dependencies.
3174 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3176 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3177 %fs for -mcmodel=kernel.
3178 (stack_tls_protect_test_di): Likewise.
3180 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3182 * Makefile.in: Use mkinstalldirs.
3184 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3187 * opts-common.c (prune_options): Skip joined switches.
3189 2006-07-27 Jan Hubicka <jh@suse.cz>
3191 PR rtl-optimization/28071
3192 * cselib.c (cselib_process_insn): Don't remove useless values too
3193 often for very large hashtables.
3195 2006-07-27 Jan Hubicka <jh@suse.cz>
3197 PR rtl-optimization/28071
3198 * global.c (greg_obstack): New obstack.
3199 (allocate_bb_info): Use it.
3200 (free_bb_info): Likewise.
3201 (modify_reg_pav): Likewise.
3203 2006-07-27 Roger Sayle <roger@eyesopen.com>
3205 * builtins.c (fold_fixed_mathfn): When long and long long are the
3206 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3207 functions to their lceil*, lfloor*, lround* and lrint* forms.
3209 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3212 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3214 (rev_branch_insn): Likewise.
3216 2006-07-27 Jan Hubicka <jh@suse.cz>
3218 PR rtl-optimization/28071
3219 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3220 (reg_set_in_bb, max_reg_computed): New static variables.
3221 (regmove_optimize): Free the new array.
3222 (fixup_match_1): Update call of reg_is_remote_constant_p.
3224 2006-07-26 Jan Hubicka <jh@suse.cz>
3226 PR tree-optimization/27882
3227 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3229 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3231 (cgraph_analyze_compilation_unit): Likewise.
3232 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3233 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3234 (cgraph_early_inlinine): Make order garbage collected.
3235 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3237 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3239 * dbxout.c (output_types_sort): Add a comment.
3240 (output_used_types): Free the VEC.
3242 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3244 * function.c (reorder_fix_fragments): Delete.
3245 (reorder_blocks): Don't call it.
3246 (reorder_blocks_1): Put all subblocks under the origin block.
3248 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3250 PR rtl-optimization/27907
3251 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3254 2006-07-25 Roger Sayle <roger@eyesopen.com>
3257 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3258 bar(x) check that bar's result type can represent all the values of T.
3260 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3262 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3264 2006-07-25 Nick Clifton <nickc@redhat.com>
3266 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3267 size_lookup[] array.
3268 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3269 (ggc_pch_count_object): Likewise.
3270 (ggc_pch_alloc_object): Likewise.
3271 (ggc_pch_write_object): Likewise.
3272 (init_ggc): Do not attempt to initialize entries in the
3273 size_lookup[] array for objects whose size is greater than than
3274 the length of the array.
3276 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3278 * dbxout.c (output_used_types_helper): Push queued types
3280 (output_types_sort): New.
3281 (output_used_types): Collect used types on a VEC and sort them
3284 2006-07-24 Richard Guenther <rguenther@suse.de>
3287 * cgraph.c (cgraph_remove_node): Do not check if dumps
3289 * cgraphunit.c (cgraph_optimize): Likewise.
3291 2006-07-24 Jan Hubicka <jh@suse.cz>
3293 PR rtl-optimization/28071
3294 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3295 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3296 splitting before first stmt.
3298 2006-07-24 Jan Hubicka <jh@suse.cz>
3300 PR rtl-optimization/28071
3301 * ipa-inline.c (update_caller_keys): Remove edges that
3302 are no longer inline candidates.
3304 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3307 * dbxout.c (output_used_types_helper, output_used_types): New.
3308 (dbxout_symbol): Call output_used_types.
3310 2006-07-23 Jan Hubicka <jh@suse.cz>
3314 * cgraph.c (cgraph_varpool_nodes): Export.
3315 (decide_is_variable_needed): Ignored "used" attribute in
3316 unit-at-a-time mode.
3317 * cgraph.h (cgraph_varpool_nodes): Declare.
3318 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3319 unit-at-a-time mode.
3321 2006-07-23 Roger Sayle <roger@eyesopen.com>
3324 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3325 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3326 the __gthrw form of thr_keycreate.
3327 (__gthread_key_delete): Silence the unused argument warning.
3329 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3332 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3333 Cache the last found '\0' marker to avoid quadratic behavior.
3335 2006-07-23 Jan Hubicka <jh@suse.cz>
3337 * i386.md (subsi_3_zext): Fix output template.
3339 2006-07-21 Mike Stump <mrs@apple.com>
3341 * doc/invoke.texi (C++ Dialect Options): Note that
3342 -fvisibility-inlines-hidden doesn't affect explicitly
3343 instantiationed inline methods.
3345 2006-07-20 Roger Sayle <roger@eyesopen.com>
3347 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3348 if the target assembler is GNU binutils' gas.
3349 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3350 whether to pass GNU gas or native as command line options.
3352 2006-07-20 Jason Merrill <jason@redhat.com>
3354 * tree.c (remove_attribute): New fn.
3355 * tree.h: Declare it.
3357 2006-07-20 Paul Brook <paul@codesourcery.com>
3360 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3361 they are invalidated by this instruction.
3363 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3366 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3368 2006-07-20 Eric Christopher <echristo@apple.com>
3371 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3373 2006-07-19 Eric Christopher <echristo@apple.com>
3375 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3376 Rewrite dependencies for libgcc_s.1.dylib.
3378 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3380 * except.c (duplicate_eh_regions_1): Clear next_peer.
3382 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3384 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3385 -mlongcall does not guarantee all calls will be long.
3386 * doc/extend.texi (long_call/short_call): Document that longcall
3387 does not guarantee a long call will be used.
3388 (longcall/shortcall): Likewise.
3390 2006-07-18 Roger Sayle <roger@eyesopen.com>
3393 * expmed.c (expand_shift): Additionally check that the shift_cost
3394 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3395 before implementing a LSHIFT_EXPR as a sequence of additions.
3396 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3397 middle-end that DImode shifts need to be synthesized by expand.
3399 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3402 * tree-ssa-operands.c (access_can_touch_variable): Update
3404 Return true if ALIAS is .GLOBAL_VAR.
3406 2006-07-18 David Daney <ddaney@avtrex.com>
3408 * gcc.c (display_help): Fix typo in help text.
3410 2006-07-18 Olivier Hainque <hainque@adacore.com>
3412 * tree.h (categorize_ctor_elements): Adjust prototype and add
3413 descriptive comment, both in accordance with the interface change
3415 * varasm.c (constructor_static_from_elts_p): New function.
3416 Whether a constructor node is a valid static constant initializer
3417 if all its elements are.
3418 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3419 * output.h: Declare it.
3420 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3421 is a valid constant initializer instead of computing the number of
3422 non-constant elements. Use constructor_static_from_elts_p for this
3423 purpose. Replace the head comment with an indication that this is a
3424 helper for categorize_ctor_elements.
3425 (categorize_ctor_elements): Same interface change as for the _1
3426 helper. Former head comment from this helper moved here, adjusted to
3427 account for the interface changes.
3428 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3429 (all_zeros_p): Likewise.
3430 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3431 static versions of the constructor from the categorize_ctor_elements
3432 return value instead of the formerly computed number of non-constant
3435 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3437 * configure: Regenerate.
3438 * Makefile.in (build_libsubdir): New configure substitution
3439 (build_libobjdir): New variable.
3440 (BUILD_LIBIBERTY): Use it.
3442 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3445 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3447 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3450 * c-common.c (handle_weakref_attribute): Ignore attribute in
3451 the same conditions the alias attribute is ignored.
3453 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3455 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3456 (dbxout_begin_prologue): Increment scope_labelno.
3458 2006-07-17 Richard Henderson <rth@redhat.com>
3461 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3464 2006-07-17 Roger Sayle <roger@eyesopen.com>
3465 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3467 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3468 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3469 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3470 functions such as sbrk, write, etc.. Add function prototypes.
3471 Convert function declarations from K&R to ISO C. Cast pointers
3472 to "long" and "unsigned long" instead of "int" and "unsigned int".
3473 Convert tokens following #endif into comments.
3475 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3477 * invoke.texi: Remove mention of f77; Reformat table for
3478 inline parameter options correctly; mention that -malign-double
3479 is default on x86-64 targets.
3481 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3483 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3484 (convert_affine_scev, chrec_convert_aggressive): Use
3485 avoid_arithmetics_in_type_p. Do not check for the subtypes
3488 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3491 * optabs.c (expand_doubleword_shift): Wrap the call to
3492 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3494 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3497 * optabs.c (expand_binop): Pass next_methods rather than methods
3498 to expand_doubleword_shift.
3500 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3503 * tree.h (dump_addr): Declare.
3504 * print-tree.c (dump_addr): New function.
3505 (print_node_brief, print_node): Use it.
3506 * print-rtl.c (print_rtx): Likewise.
3507 * common.opt (-fdump-noaddr): New option.
3508 * doc/invoke.texi (-fdump-noaddr): Document.
3509 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3510 (ve_info_hash): Likewise.
3512 2006-07-13 Andrew Haley <aph@redhat.com>
3514 PR tree-optimization/19505
3515 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3516 edge leaving this block, make sure that the destination of this
3517 block has only one predecessor.
3519 2006-07-17 Richard Guenther <rguenther@suse.de>
3521 PR tree-optimization/28238
3522 * tree-inline.c (copy_bb): Check if we produced valid
3523 gimple copying and substituting a stmt. If not, gimplify
3526 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3528 * optabs.c (maybe_encapsulate_block): New function extracted from...
3529 (emit_libcall_block): ...here. Invoke it on the block of insns to
3530 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3531 (emit_no_conflict_block): Likewise.
3533 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3535 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3537 2006-07-15 Roger Sayle <roger@eyesopen.com>
3539 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3540 a new NOP_EXPR case of the switch statement.
3542 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3545 * stor-layout.c (place_field): Take the bit field with
3546 an excessive size into account in the ms-bitfiled case.
3549 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3550 the previous bit field.
3552 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3555 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3557 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3559 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3560 signal frames correctly even when the signal was installed with
3563 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3565 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3566 (dbxout_function_end): Use local label LFBB. Remove hook
3568 (dbxout_source_line): Use local label LFBB.
3569 (dbxout_block): Likewise.
3570 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3571 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3572 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3573 and DBX_OUTPUT_NFUN.
3575 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3577 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3579 2006-07-13 Jan Hubicka <jh@suse.cz>
3581 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3583 * output.h (align_variable): Declare.
3584 * varasm.c (align_variable): Export.
3585 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3586 when basic block changed.
3588 2006-07-13 Nick Clifton <nickc@redhat.com>
3590 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3591 walking the LOG_LINKS chain.
3593 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3595 * doc/invoke.texi (C++ Dialect Options): Explain difference
3596 between -fvisibility-inlines-hidden and setting hidden
3597 visibility explicitly.
3599 2006-07-12 Eric Christopher <echristo@apple.com>
3601 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3602 (stmp-lipo): Depend on libgcc.a.
3604 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3606 * tree.c: Fix a comment typo.
3608 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3610 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3612 (umulhisi3_r): Likewise.
3614 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3617 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3618 x < 19, vs wchar_t support.
3620 2006-07-12 Nick Clifton <nickc@redhat.com>
3622 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3623 instead of -isa=sh4.
3625 2006-07-12 Mike Stump <mrs@apple.com>
3627 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3629 2006-07-10 Eric Christopher <echristo@apple.com>
3631 * config/t-slibgcc-darwin: Rewrite.
3633 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3636 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3639 2006-07-08 Matthias Klose <doko@debian.org>
3641 * doc/sourcebuild.texi: Fix typo.
3643 2006-07-07 Mike Stump <mrs@apple.com>
3645 * toplev.c (process_options): Don't give -ffunction-sections may
3646 affect debugging warning for Mach-O.
3648 2006-07-07 James E Wilson <wilson@specifix.com>
3650 * config/mips/mips.md (cpu): Add sb1a.
3651 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3652 addition to sb1. Adjust comments to clarify SB-1A differences from
3654 (ir_sb1a_load): New. Modify bypasses to use it.
3655 (ir_sb1a_simple_alu): Likewise.
3656 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3657 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3658 (mips_issue_rate): Add PROCESSOR_SB1A.
3659 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3660 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3661 (TARGET_SB1): Add PROCESSOR_SB1A check.
3662 (TUNE_SB1): Likewise.
3664 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3665 * config/mips/mips.c (mips_store_data_bypass_p): New.
3666 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3667 store_data_bypass_p.
3669 2006-07-08 Paul Brook <paul@codesourcery.com>
3672 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3674 2006-07-07 Richard Guenther <rguenther@suse.de>
3677 * tree.h (build_one_cst): Declare.
3678 * tree.c (build_one_cst): New function.
3679 * tree-ssa-math-opts.c (get_constant_one): Remove.
3680 (insert_reciprocals): Use build_one_cst.
3681 * fold-const.c (fold_plusminus_mult): Likewise.
3683 2006-07-07 Roger Sayle <roger@eyesopen.com>
3685 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3686 * cfgloopanal.c (dump_graph): Likewise.
3687 * dojump.c (discard_pending_stack_adjust): Likewise.
3688 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3690 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3691 * function.c (finalize_block_changes): Likewise.
3692 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3693 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3694 * rtl.c (dump_rtx_statistics): Likewise.
3695 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3697 * varray.c (dump_varray_statistics): Likewise.
3698 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3699 decode_decimal64, encode_decimal128, decode_decimal128,
3700 decimal_real_to_decimal): Likewise.
3702 2006-07-07 Richard Guenther <rguenther@suse.de>
3704 PR tree-optimization/28187
3705 * tree-vrp.c (vrp_operand_equal_p): New function.
3706 (vrp_bitmap_equal_p): Likewise.
3707 (update_value_range): Use them to compare old and new
3710 2006-07-06 Roger Sayle <roger@eyesopen.com>
3712 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3713 a default case to switch statement to silence compiler warnings.
3715 2006-07-06 Roger Sayle <roger@eyesopen.com>
3718 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3719 the configured assembler supports the x87's ffreep mnemonic.
3720 * configure: Regenerate.
3721 * config.in: Regenerate.
3723 * config/i386/i386.c (output_387_ffreep): New function.
3724 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3725 (output_387_reg_move): Likewise.
3727 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3729 Port to hosts whose 'sort' and 'tail' implementations
3730 treat operands with leading '+' as file names, as POSIX
3731 has required since 2001. However, make sure the code still
3732 works on pre-POSIX hosts.
3733 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3734 which says you should use "tail -c +N" rather than "tail +Nc".
3735 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3737 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3739 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3742 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3745 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3746 PRE_{INC,DEC} of TFmode.
3748 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3749 Alan Modra <amodra@bigpond.net.au>
3752 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3755 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3758 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3759 Remove duplicate gtu.
3761 2006-07-05 Jason Merrill <jason@redhat.com>
3765 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3766 * c-common.c (handle_packed_attribute): So don't copy it here.
3767 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3769 2006-07-05 Mike Stump <mrs@apple.com>
3771 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3773 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3776 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3778 2006-07-05 Richard Guenther <rguenther@suse.de>
3781 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3782 TARGET_SSE2 targets if using SSE math.
3783 (*absdf2_1): Likewise.
3785 2006-07-05 Richard Guenther <rguenther@suse.de>
3787 PR tree-optimization/28162
3788 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3789 make sure to convert the operands to the correct type.
3791 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3793 PR tree-optimization/28218
3795 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3796 to calculate and free the dominator information.
3798 2006-07-04 Peter O'Gorman <peter@pogma.com>
3800 * mklibgcc.in: chmod 644 before ranlib during install.
3802 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3803 J"orn Rennecke <joern.rennecke@st.com>
3805 * configure.ac (.eh_frame data check): Use diff -b.
3807 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3810 * Makefile.in (BUILD_RTL): Add build/vec.o.
3811 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3812 (build/genextract): Delete.
3813 (build/genautomata): Likewise.
3815 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3818 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3819 128-bit IBM long doubles for ABI_V4.
3821 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3823 * tree.c (range_in_array_bounds_p): New predicate.
3824 * tree.h (range_in_array_bounds_p): Declare it.
3825 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3826 return a less conservative answer.
3827 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3828 and flag 'is_group'.
3829 (IS_ELEMENT_FOR_GROUP): New macro.
3830 (FOR_EACH_ACTUAL_CHILD): Likewise.
3831 (next_child_for_group): New helper function.
3832 (can_completely_scalarize_p): Take into account groups.
3833 (sra_hash_tree): Handle RANGE_EXPR.
3834 (sra_elt_eq): Likewise.
3835 (lookup_element): Be prepared for handling groups.
3836 (is_valid_const_index): Delete.
3837 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3838 instead of is_valid_const_index.
3839 <ARRAY_RANGE_REF>: New case.
3840 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3841 is_valid_const_index.
3842 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3843 (scan_dump): Dump info for groups too.
3844 (decide_instantiation_1): Likewise.
3845 (decide_block_copy): Assert that the element is not a group.
3846 Propagate decision to groups.
3847 (generate_one_element_ref): Handle RANGE_EXPR.
3848 (mark_no_warning): Iterate over actual childs.
3849 (generate_copy_inout): Likewise.
3850 (generate_element_copy): Likewise.
3851 (generate_element_zero): Likewise.
3852 (generate_element_init_1): Likewise.
3853 (dump_sra_elt_name): Handle RANGE_EXPR.
3855 2006-07-03 Roger Sayle <roger@eyesopen.com>
3857 PR tree-optimization/26251
3858 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3859 (thread_block): When optimizing for size refuse to thread jumps
3860 that would require duplication of blocks other than redirection
3863 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3865 * configure.ac: Fix thinko in previous check-in.
3866 * configure: Regenerate.
3868 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3871 * configure.ac (for lang...): Simplify nesting of conditionals.
3872 Test subdir_requires for non-enabled languages. Move processing
3873 of lang_opt_files and lang_tree_fiels below that test.
3874 * configure: Regenerate.
3875 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3877 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3879 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3881 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3883 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3886 2006-06-29 Jason Merrill <jason@redhat.com>
3893 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3894 * c-common.c (c_determine_visibility): Handle it here.
3895 * c-decl.c (finish_decl): Call c_determine_visibility for
3897 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3899 * varasm.c (default_assemble_visibility): Likewise.
3900 * c-common.c (handle_visibility_attribute): Complain about trying
3901 to give visibility to an already defined class, or trying to change
3902 declared visibility. Always attach the attribute.
3907 * attribs.c (decl_attributes): Ignore type-in-place attributes
3908 once the type has been defined.
3910 2006-06-29 Roger Sayle <roger@eyesopen.com>
3913 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3914 to indicate the cpplib has issued an error message for us.
3916 2006-06-29 Asher Langton <langton2@llnl.gov>
3919 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3920 insert a label at the end of an function under Mach-O.
3922 2006-06-29 Eric Christopher <echristo@apple.com>
3923 Evan Cheng <evan.cheng@apple.com>
3925 * predicates.md (vector_all_ones_operand): New.
3926 (nonimmediate_or_sse_const_operand): Ditto.
3927 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3928 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3929 (standard_sse_mode_p): Ditto.
3930 (standard_sse_constant_p): Add case for -1 vector.
3931 (ix86_expand_vector_move): Try to use.
3932 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3933 Call standard_sse_constant_opcode.
3934 (*movv4sf_internal): Ditto.
3935 (*movv2df_internal): Ditto.
3937 2006-06-29 Roger Sayle <roger@eyesopen.com>
3939 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3940 of XEXP to extract the operands of a MATCH_CODE rtx.
3942 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3944 * tree.c (tree_size): Do not waste tail padding in
3945 struct tree_string and make the size be the same as
3946 build_string will generate.
3948 2006-06-28 Jason Merrill <jason@redhat.com>
3951 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3952 may_aliases already in the tag's annotations to the bitmap.
3954 2006-06-28 Roger Sayle <roger@eyesopen.com>
3956 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3958 2006-06-28 Roger Sayle <roger@eyesopen.com>
3960 * genpreds.c (generate_switch_p): New function.
3961 (add_mode_tests): Push the new mode test down inside an AND expr
3962 if this allows the switch-suitable MATCH_CODE to be near the root.
3963 (write_match_code_switch): New function to write a MATCH_CODE as
3965 (write_predicate_stmts): New function to write a predicate RTX
3966 expression as a sequence of statements.
3967 (write_one_predicate_function): Use write_predicate_stmts.
3968 (write_tm_constrs_h): Likewise.
3970 2006-06-26 Fred Fish <fnf@specifix.com>
3972 * config/mips/t-sb1: New file.
3973 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3976 2006-06-26 DJ Delorie <dj@redhat.com>
3978 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3980 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3981 Jayant Sonar <jayants@kpitcummins.com>
3982 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3984 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3985 (subsi3, subsi3_1, subsi3_2): New.
3986 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3987 * config/m32c/mov.md (SI mov peephole): New.
3988 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3989 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3991 2006-06-26 Olivier Hainque <hainque@adacore.com>
3993 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3994 a CALL_EXPR target function declaration.
3996 2006-06-26 Richard Guenther <rguenther@suse.de>
3998 * tree.c (build_string): Do not waste tail padding in
4001 2006-06-26 Richard Guenther <rguenther@suse.de>
4003 * ggc-page.c (init_ggc): Add missing element to size_lookup
4007 2006-06-23 Richard Guenther <rguenther@suse.de>
4009 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4010 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4011 alignment requests instead. Add verification code.
4012 Add struct tree_function_decl and struct tree_binfo size to
4013 extra_order_size_table. Add missing element to size_lookup
4016 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4019 * fold-const.c (const_binop): Be prepared for self returning zero.
4020 Simplify code handling complex values.
4022 2006-06-24 Olivier Hainque <hainque@adacore.com>
4024 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4025 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4028 2006-06-24 Olivier Hainque <hainque@adacore.com>
4030 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4031 ARRAY_REF, so have the callback called for the low bound expression.
4033 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4035 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4036 * c-typeck.c (c_common_type): Disallow operations on decimal float
4037 types and other float types.
4038 * convert.c (convert_to_real): Don't ignore conversions involving
4039 decimal float types.
4041 2006-06-23 Olivier Hainque <hainque@adacore.com>
4043 * tree.c (max_int_size_in_bytes): New function, inspired from
4044 code in function.c:assign_temp.
4045 * tree.h (max_int_size_in_bytes): Declare.
4046 * function.c (assign_temp): Use it.
4047 * gimplify.c (create_tmp_var): Relax the assertions on the type
4048 properties, not mandating constant size any more.
4049 (force_constant_size): New static function.
4050 (gimple_add_tmp_var): Use it, forcing variable size to a
4051 constant upper bound if it is not constant on entry.
4053 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4056 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4057 for initialization and setting of one_only flag to ...
4058 (i386_pe_encode_section_info): ...here.
4059 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4060 Recheck that the symbol has not been defined.
4062 2006-06-23 Richard Guenther <rguenther@suse.de>
4064 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4065 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4066 alignment requests instead. Add verification code.
4067 Add struct tree_function_decl and struct tree_binfo size to
4068 extra_order_size_table. Add missing element to size_lookup
4071 2006-06-22 Roger Sayle <roger@eyesopen.com>
4072 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4075 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4076 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4078 2006-06-23 Ben Elliston <bje@au.ibm.com>
4080 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4081 negate dn -- manipulate it directly.
4083 2006-06-22 Roger Sayle <roger@eyesopen.com>
4084 Steven Bosscher <stevenb.gcc@gmail.com>
4087 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4088 generated by gen_move_insn to add REG_LABEL notes if necessary.
4090 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4092 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4093 (leaf_entry): Remove use of MIN_ESA.
4095 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4097 PR rtl-optimization/28121
4098 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4101 2006-06-21 DJ Delorie <dj@redhat.com>
4103 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4105 (mulhisi3_r): Likewise.
4107 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4110 * coverage.c (coverage_counter_alloc): Leave the index type
4112 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4115 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4117 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4118 section from the "Options for Code Generation Conventions".
4120 2006-06-21 Richard Henderson <rth@redhat.com>
4124 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4126 (global_symbolic_operand): Allow weak symbols, even if local_p.
4128 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4130 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4131 (find_interesting_uses_address): Punt if above function returns true.
4133 2006-06-21 Richard Guenther <rguenther@suse.de>
4135 * configure: Regenerated.
4137 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4139 * config/mips/mips.c (function_arg): Where one part of a
4140 complex argument is in registers and the other part in the stack,
4141 return a REG not a PARALLEL.
4143 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4145 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4146 when cross-compiling. Do not substitute libstdcxx_incdir.
4147 * configure: Regenerated.
4149 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4151 * varasm.c (mergeable_string_section): Check for embedded NULs and
4152 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4153 rather than TREE_STRING_LENGTH bytes.
4155 2006-06-21 Richard Guenther <rguenther@suse.de>
4157 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4158 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4161 2006-06-21 Richrad Guenther <rguenther@suse.de>
4163 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4164 Limit iteration over the dominators.
4166 2006-06-20 Roger Sayle <roger@eyesopen.com>
4168 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4169 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4171 2006-06-20 Richard Guenther <rguenther@suse.de>
4172 Michael Matz <matz@suse.de>
4174 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4176 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4177 * et-forest.h (et_free_pools): Prototype new function.
4178 * et-forest.c (et_free_tree_force): Free parent occurrence.
4179 (et_free_pools): New function.
4180 * dominance.c (free_dominance_info): Free et-forest alloc
4183 2006-06-20 Roger Sayle <roger@eyesopen.com>
4185 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4186 integer modes, attempt to directly construct an integer constant.
4188 * fold-const.c (native_encode_vector): Determine the size of each
4189 element from the vector type instead of the first vector element.
4191 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4192 if all of its elements/components are constant.
4193 (build_constructor_from_list): Likewise.
4195 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4197 PR tree-optimization/27331
4198 * tree-data-ref.c (free_data_ref): New function.
4199 (create_data_ref): Fail if the data reference has unknown access
4201 (free_data_refs): Use free_data_ref.
4203 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4206 * tree-inline.c (setup_one_parameter): Strip useless
4207 type conversion before adding it to the IR.
4208 (declare_return_variable): Likewise.
4210 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4213 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4215 2006-06-19 Mike Stump <mrs@apple.com>
4217 * tree.c (variably_modified_type_p): VM arguments don't make the
4220 2006-06-19 Richard Guenther <rguenther@suse.de>
4222 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4223 type conversions after folding.
4225 2006-06-19 Richard Guenther <rguenther@suse.de>
4227 * ggc-page.c (extra_order_size_tab): Add entries with
4228 size of struct function and basic_block.
4229 (size_lookup): Extend to cover sizes up to 511.
4230 (ggc_alloc_stat): Adjust user.
4231 (ggc_pch_count_object): Likewise.
4232 (ggc_pch_alloc_object): Likewise.
4233 (ggc_pch_write_object): Likewise.
4235 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4237 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4238 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4241 2006-06-19 Denis Chertykov <denisc@overta.ru>
4243 * config/avr/libgcc.S : Correct my wrong previous commit.
4245 2006-06-19 Roger Sayle <roger@eyesopen.com>
4248 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4249 have stripped a SUBREG from the shift count, so we may need to
4250 convert_to_mode back to the type's mode before calling make_tree.
4251 Use new_amount instead of amount to avoid expanding a tree twice.
4253 2006-06-19 Richard Guenther <rguenther@suse.de>
4256 * fold-const.c (operand_equal_p): Check if the argument types
4257 have the same precision before stripping NOPs.
4259 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4261 Fix PR tree-optimization/27341
4262 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4264 * tree-complex.c (pass_lower_complex): Update SMT usage.
4266 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4268 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4269 Add a new alternative to the constraint strings. Add move of
4270 operand 1 to 3 to the splitter definition.
4271 ("doloop_si_long"): Second contraint alternative removed.
4273 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4275 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4276 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4278 (AVR_HAVE_MOVW) Define.
4279 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4280 (ASM_SPEC): Add avr25.
4281 (LINK_SPEC): Add avr25.
4282 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4283 (base_arch_s): Add new member 'have_movw_lpmx'.
4284 (avr_arch_types): Init 'have_movw_lpmx'.
4285 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4286 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4287 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4288 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4289 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4291 (avr_file_start): Do not output '.arh' derective.
4292 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4293 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4294 * config/avr/avr.md (mcu_enhanced): Delete.
4295 (mcu_have_movw): Define.
4296 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4297 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4298 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4299 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4300 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4301 attiny861 and at86rf401 devices.
4303 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4305 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4308 2006-06-17 Karl Berry <karl@gnu.org>
4310 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4311 doc/gccint.texi, doc/install.texi (@dircategory): Use
4312 "Software development" instead of "Programming", following
4313 the Free Software Directory.
4315 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4317 * config/i386/i386.c (legitimate_tls_address)
4318 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4319 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4320 (*tls_dynamic_gnu2_combine_64): Likewise.
4322 2006-06-16 Richard Guenther <rguenther@suse.de>
4325 * fold-const.c (negate_expr_p): Do not introduce undefined
4326 overflow in negating INTEGER_CSTs.
4327 (fold_negate_expr): Rename from negate_expr. Revert last
4328 change for folding BIT_NOT_EXPR. Change semantics to
4329 return NULL_TREE for non-simplified negations. Do not
4330 strip type conversions and unify type handling.
4331 (negate_expr): New function, wrap around fold_negate_expr
4332 but ensure building a tree always. Strip type conversions
4333 here, fold to result type.
4334 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4336 2006-06-16 Roger Sayle <roger@eyesopen.com>
4339 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4340 that (would) return their results in stack registers.
4342 2006-06-16 Michael Matz <matz@suse.de>
4343 Richard Guenther <rguenther@suse.de>
4345 * fold-const.c (fold_truthop): Only return new tree node if
4346 we canonicalized something.
4348 2006-06-16 Richard Guenther <rguenther@suse.de>
4350 * function.h (enum function_frequency): Move declaration
4351 out of struct function.
4352 (struct function): Move bool fields and the enum to the bitfield
4353 section. Reorder elements to avoid padding. Remove unused
4354 fields left over from the RTL inliner removal.
4355 * function.c (free_after_compilation): Do not zero removed fields.
4356 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4357 (ipa-type-escape.o): Likewise.
4359 2006-06-16 Richard Guenther <rguenther@suse.de>
4361 * cgraph.h (struct cgraph_local_info): Turn bool elements
4363 (struct cgraph_node): Likewise.
4364 (struct cgraph_varpool_node): Likewise.
4366 2006-06-15 Richard Guenther <rguenther@suse.de>
4368 * fold-const.c (fold_truth_not_expr): Rename from
4369 invert_truthvalue. Give it fold_* semantics to avoid
4371 (invert_truthvalue): New function. Wrapper around
4372 fold_truth_not_expr.
4373 (optimize_minmax_comparison): Avoid creating garbage.
4374 (fold_unary): Use fold_truth_not_expr for folding
4376 (fold_ternary): Replace uses of invert_truthvalue with
4377 fold_truth_not_expr where applicable.
4378 * tree.h (fold_truth_not_expr): Prototype.
4380 2006-06-16 Richard Guenther <rguenther@suse.de>
4382 PR tree-optimization/27781
4383 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4384 * ipa-pure-const.c (target.h): Include.
4385 (analyze_function): Do not analyze functions that do not
4388 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4391 * tree-dfa.c (referenced_vars_dup_list): Remove.
4392 (find_referenced_vars): Remove assert.
4393 (referenced_var_check_and_insert): Replace dup list with assert.
4394 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4395 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4397 2006-06-15 Richard Guenther <rguenther@suse.de>
4399 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4400 extra unused identifiers if not dumping.
4401 (create_variable_info_for): Likewise.
4403 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4405 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4406 (derive_constant_upper_bound): Derive more precise upper bound in
4407 common cases. Return type changed to double_int.
4408 (record_estimate): Reflect the changed return type of
4409 derive_constant_upper_bound.
4410 * double-int.c (double_int_zext, double_int_sext): Fix.
4412 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4414 * configure.ac (CFLAGS): Get them from the toplevel or from the
4415 configure invocation.
4416 * configure: Regenerate.
4417 * Makefile.in (CFLAGS): Substitute value provided by configure.
4419 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4422 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4423 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4424 rather than calling add_stmt on it.
4425 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4427 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4430 * reload1.c (reload): Remove registers returned by update_eliminables
4431 from used_spill_regs.
4433 2006-06-13 DJ Delorie <dj@redhat.com>
4435 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4437 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4439 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4440 html__strip_dir, html__mkdir_p. Enhance install-html target.
4441 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4442 * configure: Regenerate.
4444 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4446 * fold-const.c (fold_cond_expr_with_comparison): Check for
4447 Objective-C++ as language in deciding COND_EXPR transformation.
4449 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4452 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4453 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4454 * config/sh/lib1funcs.h (SL, SL1): Define.
4455 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4456 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4457 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4458 (OBJS_Os_4_200): New variable.
4459 ($(T)libgcc-Os-4-200.a): Use it.
4460 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4461 when dividing 1 and/or by 0.
4463 2006-06-13 Roger Sayle <roger@eyesopen.com>
4465 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4466 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4467 * configure: Regenerate.
4469 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4471 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4472 for real instruction.
4474 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4477 * haifa-sched.c (check_cfg): Handle special case.
4479 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4482 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4483 Add debug_info parameter. Chain the vars to the BLOCK instead
4484 of the BIND_EXPR if debug info are requested for them.
4485 (pop_gimplify_context): Adjust for above change.
4486 (gimple_add_tmp_var): Likewise.
4487 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4489 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4490 (convert_local_reference): Likewise.
4491 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4492 (finalize_nesting_tree_1): Request that debug info be emitted
4493 for debug_var_chain.
4495 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4497 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4498 for PR target/27863.
4500 2006-06-13 Richard Guenther <rguenther@suse.de>
4503 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4505 2006-06-13 Richard Guenther <rguenther@suse.de>
4507 PR tree-optimization/27830
4508 * tree-inline.c (copy_body_r): For copying the operand
4509 of an ADDR_EXPR make sure to fold &* afterwards.
4511 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4513 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4514 lvalues in the fb_none case with side-effects.
4516 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4518 * tree-flow.h: Remove the prototype for
4519 compute_phi_arg_on_exit.
4520 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4521 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4524 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4526 * builtins.c (expand_builtin_return_addr): Only use
4527 frame_pointer_rtx when count == 0 and we are expanding
4528 __builtin_return_address.
4530 2006-06-12 Fred Fish <fnf@specifix.com>
4532 * config/mips/mips.c (mips_file_start): Create special section
4533 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4535 2006-06-11 Eric Christopher <echristo@apple.com>
4538 * stor-layout.c (place_field): Remove check for
4539 remaining_in_alignment when aligning at the end of a run.
4541 2006-06-11 Eric Christopher <echristo@apple.com>
4544 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4547 2006-06-11 Roger Sayle <roger@eyesopen.com>
4550 Revert incorrect fix for PR target/27158
4551 2006-05-08 Roger Sayle <roger@eyesopen.com>
4552 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4553 of a reg_equiv_constant if the result is a legitimate constant.
4555 2006-06-11 Roger Sayle <roger@eyesopen.com>
4558 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4559 extract a CONST_VECTOR element and interpret it as an integer.
4560 (vspltis_constant): Use const_vector_elt_as_int instead of the
4561 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4562 * config/rs6000/predicates.md (easy_vector_const): Consider
4563 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4565 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4568 * stor-layout.c (update_alignment_for_field): Don't add extra
4569 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4572 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4574 * config/mips/t-rtems: Add EL/EB multilib variants.
4576 2006-06-09 Mike Stump <mrs@apple.com>
4578 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4580 2006-06-09 David Daney <ddaney@avtrex.com>
4582 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4584 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4586 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4588 2006-06-09 Richard Guenther <rguenther@suse.de>
4590 PR tree-optimization/26998
4591 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4592 of signed types, only TYPE_MIN_VALUE is special, but for both,
4593 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4594 in this case, as is -fwrapv.
4596 2006-06-08 Mike Stump <mrs@apple.com>
4599 * config/darwin.c (darwin_asm_output_anchor): Disable
4600 -fsection-anchors on darwin for now.
4601 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4602 * rs6000/rs6000.c (optimization_options): Likewise.
4604 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4607 * config/i386/i386.c (classify_argument): Skip fields with invalid
4610 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4612 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4613 (cse_insn): Likewise for the stack_pointer_rtx.
4615 2006-06-08 Roger Sayle <roger@eyesopen.com>
4617 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4618 conditions from floating point comparisons.
4620 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4623 * expmed.c (struct alg_hash_entry): Fix type of field T
4624 to match synth_mult argument.
4625 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4627 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4630 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4633 2006-06-08 Richard Guenther <rguenther@suse.de>
4636 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4637 only, if overflow is defined and not trapping.
4638 (negate_expr): Likewise.
4640 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4642 PR tree-optimization/27872
4643 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4644 flag on the new exit edge of the unrolled loop.
4646 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4648 PR rtl-optimization/26449
4649 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4651 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4654 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4655 referenced_variables with matching DECL_UID's.
4656 (find_referenced_vars): Make sure duplicate list is empty to start.
4657 (referenced_var_p): Remove.
4658 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4659 Check if var is in the list, and add if needed. Update the duplicate
4660 list if a different var is in the list with the same DECL_UID.
4661 (add_referenced_var): Call routine to check and insert.
4662 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4663 * tree-flow.h (referenced_vars_dup_list): External declaration.
4665 2006-06-07 Fred Fish <fnf@specifix.com>
4667 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4670 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4673 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4674 the imaginary and real parts of a clobbered register.
4675 Emit insn to set the imaginary part.
4677 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4679 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4680 in lieu of unwind-dw2-fde.c.
4682 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4684 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4686 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4689 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4690 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4691 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4692 V4SImode temporaries and operations instead.
4694 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4696 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4699 2006-06-06 Mike Stump <mrs@apple.com>
4701 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4702 installing during build.
4704 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4706 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4708 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4709 * config/ia64/ia64.c (params.h): New header.
4710 (ia64_optimization_options): New function to adjust parameters.
4711 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4712 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4713 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4715 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4717 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4719 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4722 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4724 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4725 Victor Kaplansky <victork@il.ibm.com>
4727 PR tree-optimization/26360
4728 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4731 2006-06-04 Roger Sayle <roger@eyesopen.com>
4732 Andrew Pinski <pinskia@physics.uc.edu>
4735 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4736 for LABEL_DECL before calling DECL_WEAK.
4739 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4740 LABEL_DECL and PARM_DECL.
4742 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4746 * c-decl.c (grokdeclarator): Disallow variably modified types at
4747 file scope. Avoid marking shared array type of constant size as
4750 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4753 * c-common.c (fold_offsetof_1): Handle static members.
4755 2006-06-04 Eric Christopher <echristo@apple.com>
4757 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4758 (debug_rli): Output value for remaining_in_alignment.
4759 (update_alignment_for_field): Unconditionalize
4760 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4761 extra alignment code.
4762 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4763 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4764 * tree.h (record_layout_info_s): Remove prev_packed.
4765 * doc/extend.texi (ms_struct): Add documentation of format.
4767 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4769 * tree.h: Declare folding_initializer.
4770 * builtins.c (fold_builtin_constant_p): Give definite answer
4771 if folding inside an initializer.
4772 * fold-const.c: Define folding_initializer.
4773 (START_FOLD_INIT): Save and then set folding_initializer.
4774 (END_FOLD_INIT): Restore folding_initializer.
4776 2006-06-04 Richard Guenther <rguenther@suse.de>
4778 PR tree-optimization/27039
4779 * fold-const.c (fold_comparison): Handle pointer comparison
4780 again for all comparison codes. Compare offsets in signed
4782 (fold_binary): Move code from here.
4784 2006-06-03 Roger Sayle <roger@eyesopen.com>
4787 * config/i386/i386.c (construct_container): Split static issued_error
4788 flag into issued_sse_arg_error, issued_sse_ret_error and
4789 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4790 requires the use of x87 registers and the user explicitly
4791 specified the -mno-80387 command line option.
4793 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4795 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4796 HAVE_DECL_SIGALTSTACK.
4798 (segv_handler): Use MC_FLD.
4799 * configure.ac: Check for a sigaltstack declaration.
4800 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4801 * configure: Regenerate.
4802 * config.in: Regenerate.
4804 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4807 * Makefile.in (stmp-fixinc): Fix typo.
4809 2006-06-02 Roger Sayle <roger@eyesopen.com>
4811 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4812 are type correct. Clean-up.
4813 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4814 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4816 2006-06-01 DJ Delorie <dj@redhat.com>
4818 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4819 shift, as we've disabled the "switch" insn that needs it.
4821 2006-06-01 Per Bothner <bothner@bothner.com>
4823 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4824 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4825 * c-ppoutput.c (cb_define): Don't increment line 0.
4827 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4829 * doc/invoke.texi: Add cpu_type power6.
4830 * config.gcc: Add cpu_type power6.
4831 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4832 to power5+ with Altivec.
4833 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4834 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4836 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4838 * config/avr/avr.h (SET_ASM_OP): Define.
4840 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4842 * config/bfin/bfin.c: Fix comment typos.
4844 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4847 * doc/install.texi: Document --enable-bootstrap and
4848 --disable-bootstrap.
4850 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4852 * doc/install.texi: Document that InfoZIP can replace jar.
4854 2006-05-31 Roger Sayle <roger@eyesopen.com>
4856 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4857 isn't available, directly generate the simpler x87 patterns without
4858 the (use (const_int 0)).
4859 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4860 implementation isn't available.
4861 (*negdf2_1): Likewise.
4862 (*negxf2_1): XF mode negation is always done using the x87.
4863 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4865 2006-05-31 Roger Sayle <roger@eyesopen.com>
4867 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4868 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4870 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4872 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4874 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4875 * config/bfin/bfin.c (basic-block.h): Include.
4876 (struct machine_function): New.
4877 (bfin_init_machine_status): New.
4878 (override_options): Initialize init_machine_status.
4879 (bfin_hardware_loop): New.
4880 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4881 (DEF_VEC_P (loop_info)): New.
4882 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4883 (struct loop_info): New.
4884 (loop_info): New typedef.
4885 (struct loop_work): New.
4886 (loop_work): New typedef.
4887 (DEF_VEC_O (loop_work)): New.
4888 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4889 (bfin_dump_loops): New.
4890 (bfin_bb_in_loop): New.
4891 (bfin_scan_loop): New.
4892 (bfin_optimize_loop): New.
4893 (bfin_reorg_loops): New.
4894 (bfin_reorg): Use bfin_reorg_loops.
4895 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4897 (I_REGNO_P): Simplify.
4898 (DP_REGNO_P, DPREG_P): New macros.
4899 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4900 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4901 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4902 Add LT_REGS, LC_REGS, LB_REGS.
4903 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4905 (REGNO_REG_CLASS): Deal with loop registers.
4906 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4908 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4909 New constants for loop registers.
4910 (UNSPEC_LSETUP_END): New.
4911 (seq_insns): New define_attr. Set it for appropriate insns.
4912 (movsi_insn): Add alternatives for move from/to
4913 loop count registers.
4914 (doloop_end): New define_expand.
4915 (loop_end): New define_insn.
4916 (define_split for bad doloop_end): New.
4917 (lsetup_with_autoinit): New define_insn.
4918 (lsetup_without_autoinit): New define_insn.
4919 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4920 * config/bfin/predicates.md (lc_register_operand): New.
4921 (lt_register_operand): New.
4922 (lb_register_operand): New.
4923 (nondp_register_operand): New.
4924 (nondp_reg_or_memory_operand): New.
4925 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4927 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4929 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4930 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4932 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4934 * Makefile.in (CATALOGS): Add po/ prefix.
4935 * configure: Regenerated.
4937 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4940 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4941 a shift operand before calling shift_op. Avoid redundant call of
4944 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4945 DJ Delorie <dj@redhat.com>
4947 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4948 we're inserting is a singlt-bit constant.
4950 2006-05-30 Roger Sayle <roger@eyesopen.com>
4952 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4953 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4955 2006-05-30 Roger Sayle <roger@eyesopen.com>
4957 PR tree-optimization/23452
4958 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4959 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4960 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4961 complex values and with -ffast-math for FP complex values.
4963 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4965 * c-common.h: Remove the prototype for yyparse.
4966 * rtl.h: Remove the prototype for init_loop.
4968 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4970 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4973 2006-05-30 Roger Sayle <roger@eyesopen.com>
4975 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4977 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4978 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4980 2006-05-30 Dirk Mueller <dmueller@suse.de>
4983 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4984 for CONSTANT_CLASS_P expresisons.
4986 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4989 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4991 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4993 PR tree-optimization/27779
4994 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4995 initial_condition instead of CHREC_LEFT.
4997 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4999 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5000 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5001 Make prototypes ISO C90.
5003 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5004 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5006 * see.c (see_analyze_one_def): Correct check.
5007 (see_get_extension_data): Check if extension is parallel.
5008 (see_get_extension_reg): Likewise.
5010 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5013 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5014 into register for (code == GTU).
5016 2006-05-29 Roger Sayle <roger@eyesopen.com>
5018 PR tree-optimization/24964
5019 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5020 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5021 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5022 abs(x)*abs(x) as x*x for scalar floating point modes.
5024 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5027 * lambda-code.c (perfect_nestify): Don't copy statements
5028 in the inner loop: move them to the inner loop header.
5030 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5033 * c-tree.texi: Document OpenMP directives and clauses.
5035 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5037 * varasm.c (globalize_decl): Fix indentation.
5039 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5042 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5043 pass_fre, pass_store_ccp, pass_copy_prop,
5044 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5045 pass_return_slot, pass_object_size, pass_lim,
5046 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5047 pass_loop_prefetch and pass_stdarg.
5049 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5051 * config/bfin/bfin.opt (mfdpic): New option.
5052 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5053 (EXTRA_MULTILIB_PARTS): Likewise.
5054 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5055 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5057 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5058 (CRT_CALL_STATIC_FUNCTION): New.
5059 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5061 (CRT_CALL_STATIC_FUNCTION): New.
5062 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5064 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5065 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5066 (initialize_trampoline): Changed to handle FD-PIC code generation.
5067 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5068 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5069 (override_options): Disallow -mid-shared-library -mfdpic combination.
5070 Can't do unaligned ops if FD-PIC.
5071 Turn off flag_pic if trying to generate non-id-shared-library
5072 non-fdpic code, since it's not supported.
5073 (bfin_assemble_integer): New function.
5074 (TARGET_ASM_INTEGER): Define.
5075 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5077 * config/bfin/crtn.s: Restore them.
5078 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5080 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5081 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5082 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5083 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5084 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5086 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5087 FDPIC_REGS and FDPIC_FPTR_REGS.
5088 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5089 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5090 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5091 (load_funcdescsi): New pattern.
5092 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5093 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5094 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5096 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5098 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5101 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5103 * tree-flow.h: Remove the prototype for add_type_alias.
5104 * tree-ssa-alias.c (add_type_alias): Remove.
5106 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5108 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5109 config/fr30/fr30.md, config/i386/i386-interix.h,
5110 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5111 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5112 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5113 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5114 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5115 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5116 Follow spelling conventions.
5117 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5118 Follow spelling conventions.
5120 2006-05-27 Richard Guenther <rguenther@suse.de>
5123 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5124 to produce a constant of value 1 of generic type.
5126 2006-05-27 Dirk Mueller <dmueller@suse.de>
5128 * cgraphunit.c (decide_is_function_needed): Fix wrong
5131 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5133 PR rtl-optimization/27661
5134 * reload.c (find_reloads): When reloading a VOIDmode constant
5135 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5136 use Pmode as mode of the reload register.
5138 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5140 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5141 is enabled at -O and above.
5143 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5146 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5149 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5152 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5153 for anonymous variables explicitly declared by front ends.
5155 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5157 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5158 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5159 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5160 ref-all pointers, run a finalization pass for them.
5161 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5162 (finalize_ref_all_pointers): New function.
5163 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5164 regular pointer type to a ref-all pointer type.
5165 (get_tmt_for): Return the special memory tag for ref-all pointers.
5167 2006-05-25 Richard Guenther <rguenther@suse.de>
5170 * fold-const.c (fold_binary): Do not look at the stripped
5171 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5173 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5175 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5176 for LT and GT if the computed range is effectively empty.
5178 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5181 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5182 mips_quad_format formats instead of ieee_single_format,
5183 ieee_double_format and ieee_quad_format formats, respectively.
5185 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5187 PR tree-optimization/27639
5188 PR tree-optimization/26719
5189 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5190 call to scev_probably_wraps_p.
5191 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5192 used_in_pointer_arithmetic_p, convert_step): Removed.
5193 (nowrap_type_p): New function.
5194 (scev_probably_wraps_p): Rewritten.
5195 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5196 chrec_convert if chrec_convert_aggressive might have been used.
5197 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5198 scev_direction): New functions.
5199 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5200 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5201 instead of convert_step.
5202 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5203 (convert_step): Declaration removed.
5204 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5206 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5208 * df-core.c: Added to header comments.
5209 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5210 df_ur_bb_info, df_urec_bb_info): Added comments.
5211 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5212 urec, ri problems): Fixed header comments.
5213 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5214 code from df_rd_transfer_function.
5216 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5218 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5219 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5220 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5222 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5224 * expr.c (undefined_operand_subword_p): New.
5225 (emit_move_multi_word): Do not generate move from undefined bits
5226 of a paradoxical subreg.
5228 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5230 PR rtl-optimization/27736
5231 * combine.c (replaced_rhs_value): New variable.
5232 (combine_instructions): Set it.
5233 (distribute_notes): When distributing a note in replaced_rhs_insn,
5234 check whether the value was used in replaced_rhs_value.
5236 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5239 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5240 add_referenced_var instead of add_referenced_tmp_var.
5241 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5242 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5244 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5245 tree_optimize_tail_calls_1): Use add_referenced_var.
5246 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5247 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5248 Use add_referenced_var.
5249 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5250 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5251 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5252 Use add_referenced_var.
5253 * tree-dfa.c (struct walk_state): Remove.
5254 (find_referenced_vars): Remove walk state and vars_found hash table.
5255 (make_rename_temp): Use add_referenced_var.
5256 (find_vars_r): Pass less parameters to add_referenced_var.
5257 (referenced_var_p): New. Is var in referenced_var hash table.
5258 (referenced_var_insert): Assert var isn't already in hash table.
5259 (add_referenced_var): Don't need walk_state parameter. Add var if it
5260 isn't already in the hash table.
5261 (add_referenced_tmp_var): Remove.
5262 (find_new_referenced_vars_1): Use add_referenced_var.
5263 * tree-ssa-pre.c (create_expression_by_pieces,
5264 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5265 Use add_referenced_var.
5266 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5267 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5268 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5270 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5271 vect_create_data_ref_ptr, vect_create_destination_var,
5272 vect_init_vector, vect_build_loop_niters,
5273 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5274 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5275 Use add_referenced_var.
5276 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5277 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5278 (add_referenced_var): Add prototype.
5279 * tree-ssa-structalias.c (get_constraint_for,
5280 intra_create_variable_infos): Use add_referenced_var.
5282 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5284 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5285 big-endian paradoxical subregs.
5286 * var-tracking.c (struct micro_operation_def): Document that,
5287 for modify micro operations, insn is the subsequent instruction.
5288 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5289 (var_reg_set, var_mem_set): ... new functions.
5290 (add_stores): Record subsequent insn.
5291 (compute_bb_dataflow): Use new functions for MO_USE.
5292 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5293 notes after the insn, and modify notes before the insn known
5294 to be the subsequent one.
5295 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5297 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5300 * config/i386/i386.c (ix86_expand_builtin): Use
5301 gen_sse3_monitor64 for TARGET_64BIT.
5303 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5305 PR rtl-optimization/26375
5306 PR rtl-optimization/26855
5307 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5309 (df_ru_bb_local_compute): Reversed statements and removed bogus
5310 comment explaining why they should be in wrong order.
5311 (df_ru_dump, df_rd_dump): Enhanced debug info.
5312 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5314 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5315 reaching uses and fixed space problem.
5317 2006-05-23 Jan Hubicka <jh@suse.cz>
5319 * cgraphunit.c (decide_is_function_needed): Also nested functions
5320 and functions declared inline can be optimized out at -O0.
5322 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5324 * doc/install.texi (Configuration): Remove reference to CrossGCC
5328 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5331 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5332 ix86_compare_emitted is non-NULL.
5334 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5337 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5340 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5342 PR rtl-optimization/25514
5343 * combine.c (replaced_rhs_insn): New variable.
5344 (combine_instructions): Set replaced_rhs_insn when trying to replace
5345 a SET_SRC with a REG_EQUAL note.
5346 (distribute_notes): Use replaced_rhs_insn when determining the live
5347 range of a REG_DEAD register.
5349 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5350 Anatoly Sokolov <aesok@post.ru>
5352 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5353 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5354 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5355 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5356 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5357 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5358 at90usb647, at90usb1286 and at90usb1287 devices.
5359 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5360 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5362 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5364 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5366 2006-05-22 Richard Guenther <rguenther@suse.de>
5369 2006-01-31 Richard Guenther <rguenther@suse.de>
5370 Paolo Bonzini <bonzini@gnu.org>
5372 * doc/install.texi (--disable-libgcc-math): Document.
5374 2006-05-22 Richard Guenther <rguenther@suse.de>
5377 2006-01-31 Richard Guenther <rguenther@suse.de>
5379 * doc/invoke.texi (-msselibm): Document.
5380 * target.h (expand_library_builtin): New target hook.
5381 * builtins.c (expand_builtin): Use expand_library_builtin.
5382 (default_expand_library_builtin): New function.
5383 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5384 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5385 (link_gcc_math_spec): Declare.
5386 (static_specs): Add link_gcc_math_spec.
5387 * expr.h (default_expand_library_builtin): Declare.
5388 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5389 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5390 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5391 * config/i386/i386.opt (msselibm): New target option.
5392 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5393 (ix86_init_sse_abi_builtins): New function.
5394 (ix86_expand_library_builtin): Likewise.
5395 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5396 (override_options): Handle error conditions wrt -msselibm.
5397 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5398 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5399 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5402 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5405 * c-common.c (self_promoting_args_p): Skip erroneous args.
5408 * c-decl.c (finish_struct): Skip erroneous fields.
5410 2006-05-22 Nick Clifton <nickc@redhat.com>
5412 * config/cris/cris.opt (march): Remove VarExists attribute.
5413 (max-stackframe=): Likewise.
5415 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5417 * doc/rtl.texi: Fix a typo.
5418 * see.c: Fix comment typos.
5420 * tree-ssa-structalias.h (alias_info): Remove num_references.
5422 2006-05-21 Mike Stump <mrs@apple.com>
5424 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5426 (darwin_pragma_options): Use BAD instead.
5427 (darwin_pragma_unused): Likewise.
5428 (darwin_pragma_ms_struct): Likewise.
5430 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5432 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5434 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5436 PR rtl-optimization/27671
5437 * simplify-rtx.c (simplify_relational_operation_1): Fix
5438 simplifications of (eq/ne (xor x y) y) and
5439 (eq/ne (xor x y) x).
5441 PR tree-optimization/26622.
5442 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5445 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5447 * tree-cfg.c: Prune whitespace.
5448 (debug_tree_cfg): Point to correct header containing the
5451 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5454 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5456 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5459 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5460 or sorry count is non zero.
5462 2006-05-20 Andreas Schwab <schwab@suse.de>
5464 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5466 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5467 Kenneth Zadeck <zadeck@naturalbridge.com>
5469 PR rtl-optimization/26855
5471 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5473 (df_scan_alloc): Added code to properly handle multiword hard
5474 registers and add all_blocks parameter.
5475 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5476 code to properly handle multiword hard registers.
5477 (df_rescan_blocks): Added code to remove deleted blocks from
5479 (df_ref_create_structure, df_ref_record): Added code to properly
5481 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5482 and set DF_REF_PARTIAL.
5483 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5484 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5485 (df_scan_add_problem): Added flags parameter.
5486 (df_ref_create_structure): Changed switching structure.
5487 (df_bb_refs_record): Fixed case where duplicate artificial refs
5488 were created. Changed location of flags.
5489 (df_record_entry_block_defs): Added code to make stack pointer
5490 live in entry block. Refined cases where frame pointer is needed.
5491 Changed location of flags.
5492 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5493 (df_set_state): Removed function.
5494 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5495 df_insn_create_insn_record, df_insn_refs_delete,
5496 df_ref_create_structure): Formatting changes.
5497 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5498 df_delete_basic_block): New function.
5499 (df_init): Changed location of flags.
5500 (df_add_problem): Added flags parameter and the way flags are
5502 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5503 debug_df_chain): Improved debugging output.
5504 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5505 (df_refs_chain_dump): Removed df parameter.
5506 (df_iterative_dataflow): Added consistency check.
5507 (df_prune_to_subcfg): Made public.
5508 (df_analyze_problem): Added blocks_to_init parameter and made
5510 (df_ref_record, df_bb_refs_record, df_mark_reg,
5511 df_record_exit_block_uses): Whitespace changes.
5512 (df_dump): Whitespace changes.
5513 * df.h: Some reordering to remove forward references.
5514 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5515 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5516 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5517 (dataflow.flags): New field.
5518 (df.flag): Deleted field.
5519 (df_alloc_function): Added additional bitmap parameter.
5520 (df_dependent_problem_function): New type.
5521 (df_problem.changeable_flags): New field.
5522 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5523 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5524 (df_mw_hardreg): New struct.
5525 (DF_INSN_UID_MWS): New macro.
5526 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5528 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5529 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5530 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5531 (df_set_state): Removed function.
5532 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5533 * df-problems.c (df_chain_dump): Removed df parameter.
5534 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5535 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5537 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5538 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5539 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5540 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5541 DF_REF_MUST_CLOBBER cases.
5542 (df_ru_bb_local_compute_process_def,
5543 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5544 df_lr_bb_local_compute, df_ur_bb_local_compute,
5545 df_chain_create_bb): Made subreg aware.
5546 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5547 df_lr_bb_local_compute, df_lr_bb_local_compute,
5548 df_chain_create_bb): Cleanup to use proper macros.
5549 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5550 code to fixup bitvectors.
5551 (df_ri_alloc): Cleared lifetime.
5552 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5553 df_create_unused_note): New function.
5554 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5555 REG_DEAD and REG_UNUSED notes as well as register information.
5556 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5557 df_chains_dump): Fixed crash if problem was never run.
5558 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5559 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5560 df_ri_add_problem): Processes flags in uniform manner.
5561 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5562 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5563 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5564 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5565 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5566 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5567 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5568 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5569 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5570 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5571 * see.c (see_initialize_data): Ditto.
5572 * final.c (rest_of_clean_state) Added regstack_completed.
5573 * rtl.h (regstack_completed): Ditto.
5574 * reg-stack.c (regstack_completed): Ditto.
5576 2006-05-19 Mike Stump <mrs@apple.com>
5578 * c-tree.h (default_conversion): Remove.
5579 * c-common.h (default_conversion): Add.
5581 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5583 * tree-vrp.c (valid_value_p): New function.
5584 (adjust_range_with_scev): Fail if the value of bound is not
5587 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5589 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5590 (mips_fallback_frame_state): Use syscall numbers to determine
5591 the appropriate li instruction for the current ABI. Only use
5592 __NR_sigreturn for o32.
5594 2006-05-19 Nicolas Setton <setton@adacore.com>
5596 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5597 * langhooks.c (lhd_dwarf_name): New function.
5598 * langhooks-def.h (lhd_dwarf_name): Declare.
5599 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5600 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5601 * ada/misc.c (gnat_dwarf_name): New function.
5602 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5604 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5606 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5608 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5609 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5610 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5611 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5612 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5613 determine the size of Wtype, etc.
5614 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5615 (swfloatfuncs): New variable.
5616 (dwfloatfuncs): Likewise.
5617 (lib2funcs): Remove floating-point conversion functions from
5618 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5619 the set of conversion routines needed. Allow entries to specify
5620 an object name, filename and word size. Update users accordingly.
5621 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5622 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5626 2006-02-08 Roger Sayle <roger@eyesopen.com>
5629 * config/fixtfdi.c: New libgcc source file.
5630 * config/fixunstfdi.c: New source file.
5631 * config/floatditf.c: New source file.
5632 * config/floatunditf.c: New souce file.
5633 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5634 files above instead of config/mips/_tilib.c.
5635 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5637 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5639 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5640 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5642 2006-05-18 Mike Stump <mrs@apple.com>
5644 Fix up vla, vm and [*] sematics.
5650 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5651 (c_vla_unspec_p): Add.
5652 (c_vla_type_p): Add.
5653 * c-decl.c (struct c_scope): Add had_vla_unspec.
5654 (build_array_declarator): Add support for [*].
5655 (grokdeclarator): Likewise.
5656 (grokparms): Likewise.
5657 (get_parm_info): Likewise.
5658 * c-objc-common.c (c_vla_unspec_p): Likewise.
5659 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5660 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5661 typeof when argument is a variably modified type not inside sizeof or alignof.
5662 (c_parser_direct_declarator_inner): Propagate errors.
5663 (c_parser_sizeof_expression): Add support for [*].
5664 (c_parser_parms_declarator): Initialize had_vla_unspec.
5665 (c_parser_parms_list_declarator): Likewise.
5666 * c-typeck.c (c_vla_type_p): Add.
5667 (composite_type): Add support for vla compositing.
5668 (comptypes_internal): Add support for vla compatibility.
5669 (c_expr_sizeof_expr): Evaluate vla arguments.
5670 * tree.c (variably_modified_type_p): Update comment for [*].
5672 2006-05-18 Michael Matz <matz@suse.de>
5675 * config.host: Make assignments to host_xmake_file cumulative.
5676 * config.host (*-darwin*): Test $host, not $target.
5678 2006-05-12 Stuart Hastings <stuart@apple.com>
5680 * config/i386/i386.opt (-mstackrealign): New flag.
5681 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5682 (ix86_handle_cconv_attribute): Emit error when
5683 force_align_arg_pointer attribute collides with too many regparms.
5684 (ix86_function_regparm): Limit regparms when used with
5685 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5686 Support stack-realigning prologue in non-main functions. Emit
5687 warning for nested functions under -mstackrealign, emit error for
5688 nested functions with force_align_arg_pointer attribute.
5689 * doc/extend.texi (force_align_arg_pointer): Document it.
5690 * doc/invoke.texi (-mstackrealign): Document it.
5692 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5694 PR rtl-optimization/27477
5695 * combine.c (try_combine): Don't split a parallel consisting
5696 of two sets into two individual sets if both sets reference
5699 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5701 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5702 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5704 * doc/options.texi (VarExists): Updated.
5706 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5708 * unwind-dw2.c: Add declarations for uw_update_context and
5710 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5711 detected, advance frame state and context once to skip over stub.
5713 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5717 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5718 Call rewrite_into_loop_closed_ssa only when something changed.
5719 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5720 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5721 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5722 Test for perfect_nest_p here. Fix formating.
5723 (replace_uses_equiv_to_x_with_y): Fix formating.
5724 (stmt_uses_op): Removed.
5725 (can_convert_to_perfect_nest): Removed loopivs parameter.
5726 Complete the test by checking the scalar dependences.
5727 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5730 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5733 From Dan Kegel <dank@kegel.com>:
5734 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5736 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5738 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5739 if the element type is variably modified without recursing.
5741 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5744 * tree-loop-linear.c (try_interchange_loops): Test for
5745 no data dependences.
5747 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5749 PR tree-optimization/27548
5750 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5751 range of ssa names that appear on abnormal edges.
5752 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5753 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5755 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5758 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5760 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5763 * tree.h (OMP_PARALLEL_COMBINED): Define.
5764 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5765 (new_omp_context): Add is_combined_parallel argument.
5766 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5767 new_omp_context caller.
5768 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5769 Adjust gimplify_scan_omp_clauses callers.
5770 (omp_is_private): Issue errors if iteration variable is firstprivate
5771 or reduction in the current context.
5772 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5773 on combined parallel workshare constructs.
5775 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5777 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5778 (gcc-options.o): New rule.
5780 * optc-gen.awk: Protect variables for gcc-options.o with
5781 #ifdef GCC_DRIVER/#endif.
5783 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5785 Fix PR tree-optimization/27373
5786 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5787 (forward_propagate_addr_expr): Update call.
5789 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5791 * doc/options.texi: Move the Negative option.
5793 2006-05-16 Richard Guenther <rguenther@suse.de>
5795 PR tree-optimization/22303
5796 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5798 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5799 ccp_fold did not simplify the statement.
5801 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5804 * Makefile.in (GCC_OBJS): New.
5805 (OBJS-common): Add opts-common.o.
5806 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5807 (cpp$(exeext)): Likewise.
5808 (gcc.o): Also depend on opts.h.
5809 (opts-common.o): New.
5811 * common.opt (gcoff): Add Negative(gdwarf-2).
5812 (gdwarf-2): Add Negative(gstabs).
5813 (gstabs): Add Negative(gstabs+).
5814 (gstabs+): Add Negative(gvms).
5815 (gvms): Add Negative(gxcoff).
5816 (gxcoff): Add Negative(gxcoff+).
5817 (gxcoff+): Add Negative(gcoff).
5818 * config/i386/i386.opt (m32): Add Negative(m64).
5819 (m64): Add Negative(m32).
5821 * doc/options.texi: Document the Negative option.
5823 * gcc.c: Include "opts.h".
5824 (main): Call prune_options after expandargv.
5826 * optc-gen.awk: Generate common declarations for all flag
5827 variables in options.c. Output the neg_index field.
5829 * opts.c (find_opt): Moved to ...
5830 * opts-common.c: Here. New file.
5832 * opts.h (cl_option): Add a neg_index field.
5834 (prune_options): Likewise.
5836 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5839 * omp-low.c (expand_omp_parallel): Don't assert
5840 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5841 instead search for it.
5844 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5847 2006-05-16 Andreas Schwab <schwab@suse.de>
5849 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5852 2006-05-15 Roger Sayle <roger@eyesopen.com>
5855 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5856 integer constants other than zero are only legitimate on TARGET_64BIT.
5857 <CONST_VECTOR> Only zero vectors are legitimate.
5858 (ix86_cannot_force_const_mem): Integral and vector constants can
5859 always be put in the constant pool.
5861 2006-05-16 DJ Delorie <dj@redhat.com>
5863 * crtstuff.c (__dso_handle): Set section from
5864 TARGET_LBIGCC_SDATA_SECTION if defined.
5865 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5866 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5868 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5871 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5874 2006-05-16 Ben Elliston <bje@au.ibm.com>
5876 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5878 2006-05-15 Per Bothner <per@bothner.com>
5880 * tree.c: (last_annotated_node): Use source_locus typedef.
5881 This permits bootstrapping with --enable-mapped-location.
5883 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5885 PR tree-optimization/26830
5886 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5887 (info_for_ssa_name, current_info_for_ssa_name_age,
5888 blocks_to_update): New variables.
5889 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5890 (clear_ssa_name_info, initialize_flags_in_bb,
5891 mark_block_for_update): New functions.
5892 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5893 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5894 prepare_def_site_for): Use mark_block_for_update.
5895 (mark_def_interesting): Assert that the processed block is marked in
5896 blocks_to_update. Do not take blocks argument.
5897 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5899 (rewrite_update_init_block, rewrite_update_stmt): Only process
5900 blocks with statements to rewrite.
5901 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5902 (update_ssa): Initialize and free blocks_to_update. Do not
5903 clear flags on statements. Do not use blocks bitmap.
5904 * tree.h (SSA_NAME_AUX): Removed.
5905 (struct tree_ssa_name): Removed aux field.
5906 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5908 2006-05-15 Richard Guenther <rguenther@suse.de>
5910 PR tree-optimization/27603
5911 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5912 Do computations in original type.
5914 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5916 * see.c: Code style changes such as redundant paranthesis,
5917 redundant intialization of local variables etc.
5918 (see_main): Declared now as static.
5919 * doc/invoke.texi: Update that -fsee is not enabled by
5922 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5924 * omp-low.c (check_omp_nesting_restrictions): New function.
5925 (scan_omp_1): Call it.
5928 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5929 construct, return *VAR.
5931 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5933 PR rtl-optimization/27406
5934 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5937 2006-05-14 Roger Sayle <roger@eyesopen.com>
5939 PR rtl-optimization/27538
5940 * combine.c (expand_compound_operation): Call gen_lowpart
5941 before calling simplify_shift_const.
5943 2006-05-14 Roger Sayle <roger@eyesopen.com>
5945 PR rtl-optimization/22563
5946 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5947 a fixed width bitfield, always force the intermediates into psuedos.
5949 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5952 * mkconfig.sh: Use operator = instead of == for test.
5954 2006-05-13 Nick Clifton <nickc@redhat.com>
5956 * dwarf2out.c (dbx_reg_number): Check return value from
5957 LEAF_REG_REMAP and only use it if it is valid.
5958 (multiple_reg_loc_descriptor): Likewise.
5960 2006-05-13 Richard Guenther <rguenther@suse.de>
5962 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5965 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5967 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5968 information attached to non-INSNs such as NOTEs.
5969 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5971 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5973 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5975 * config/s390/s390.md: Adjust comment describing On constraint.
5977 2006-05-11 Jan Hubicka <jh@suse.cz>
5979 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5980 to be output at -O0.
5982 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5985 * fold-const.c (size_binop): Move sanity check for arguments to
5986 the beginning of the function.
5989 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5992 2006-05-11 Richard Guenther <rguenther@suse.de>
5995 * fold-const.c (fold_unary): Handle intermediate conversion
5996 to a pointer type like intermediate conversion to an integer
5997 type in folding of (T1)(T2)var to var.
5998 Match the code to the comment in the final conversion for
5999 (T1)(T2)var to (T1)var regarding to type precision. Rather
6000 than disallow T1 being of pointer type, assert that both T1
6001 and var are of pointer type or not. Make sure not to fall
6002 over the frontends lazyness wrt array to pointer decay though.
6004 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6006 * arm.c (arm_struct_value_rtx): Delete.
6007 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6008 (arm_init_cumulative_args): Always initialize nregs to zero.
6010 2006-05-10 Richard Guenther <rguenther@suse.de>
6012 PR tree-optimization/27532
6013 * tree-object-size.c (plus_expr_object_size): Fix typo.
6015 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6018 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6019 ashrdi_const, ashrdi3): Use a scratch register.
6021 2006-05-10 Richard Guenther <rguenther@suse.de>
6023 PR tree-optimization/27302
6024 * fold-const.c (operand_equal_p): For two comparisons,
6025 try comparison of one comparison code swapped if that yields
6028 2006-05-10 Ben Elliston <bje@au.ibm.com>
6030 * tree-pretty-print.c (pretty_print_string): No need to handle
6031 '\0' as a special character.
6033 * tree.h: Include "hashtab.h".
6034 (iterative_hash_expr): Use hashval_t in its prototype.
6035 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6037 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6040 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6041 (hppa*64*-*-hpux11*): Ditto.
6042 (hppa[12]*-*-hpux11*): Ditto.
6044 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6047 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6049 2006-05-09 Michael Matz <matz@suse.de>
6051 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6052 host_extra_gcc_objs and host_xmake_file.
6053 (<*-*-linux*>): Don't overwrite host_xmake_file.
6054 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6055 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6056 (host_detect_local_cpu): Declare.
6057 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6058 * config/i386/i386.c (override_options): Handle -mtune=native
6060 * config/i386/x-i386: New file.
6061 * config/i386/driver-i386.c: New file.
6062 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6065 2006-05-09 Dirk Mueller <dmueller@suse.de>
6066 Richard Guenther <rguenther@suse.de>
6069 * fold-const.c (fold_read_from_constant_string): Relax check
6070 for matching types to matching modes.
6072 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6074 PR rtl-optimization/27335
6075 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6078 2006-05-08 Chao-ying Fu <fu@mips.com>
6079 Richard Sandiford <richard@codesourcery.com>
6081 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6082 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6083 * config/mips/mips.md (UNSPEC_SCC): New constant.
6084 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6085 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6086 (mips_emit_compare): Use it.
6087 (mips_expand_vcondv2sf): New function.
6089 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6091 Fix PR tree-optimization/27093
6092 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6093 renaming when they become not-used_alone.
6095 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6097 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6098 relocation and relocation stubs.
6100 2006-05-08 Eric Christopher <echristo@apple.com>
6102 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6105 2006-05-08 Jan Hubicka <jh@suse.cz>
6108 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6109 unused static functions are needed.
6111 2006-05-08 Roger Sayle <roger@eyesopen.com>
6114 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6115 of a reg_equiv_constant if the result is a legitimate constant.
6117 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6120 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6121 standard 80387 constants, raise the cost to prevent
6122 compress_float_constant() to generate load from memory.
6124 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6126 * config/arm/constraints.md (c): Fix a typo.
6128 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6131 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6134 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6136 (_mm_mwait): Likewise.
6138 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6140 (sse3_monitor): Make it 32bit only.
6141 (sse3_monitor64): New. 64bit monitor.
6143 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6146 * config/i386/i386.c (classify_argument): Skip fields with invalid
6149 2006-05-07 Richard Guenther <rguenther@suse.de>
6151 PR tree-optimization/27409
6152 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6153 Do not try to find zero-sized subvars.
6155 2006-05-07 Richard Guenther <rguenther@suse.de>
6157 PR tree-optimization/27136
6158 * tree-ssa-loop-niter.c (get_val_for): Correct function
6159 comment, assert requirements.
6160 (loop_niter_by_eval): Stop processing if the iterated
6161 value did not simplify.
6163 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6165 * opts.c (flag_see): remove its setting at -O3.
6167 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6169 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6170 * arm/constraints.md: New file.
6171 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6172 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6173 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6174 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6175 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6176 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6177 * arm.md: Include constraints.md.
6178 (thumb_movsi_insn): Use satisfies_constraint_J.
6179 (movhi, movqi): Use satisfies_constraint_I.
6181 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6183 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6184 for atmeg a645 device.
6186 2006-05-06 Richard Guenther <rguenther@suse.de>
6188 PR tree-optimization/27151
6189 * tree-vect-transform.c (vectorizable_condition): Punt on
6190 values that have a different type than the condition.
6192 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6195 * c-parser.c (c_parser_cast_expression): Only insert casts into
6196 hash table if pointer.
6197 * function.c (used_types_insert_helper): Rename from
6199 (used_types_insert): Call used_types_insert_helper.
6200 * function.h (used_types_insert): Accept only one argument.
6202 2006-05-05 David Edelsohn <edesohn@gnu.org>
6204 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6205 scratch with output modifier.
6207 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6210 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6211 with output modifier.
6213 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6216 * config/mips/mips.c (mips_symbolic_address_p): Return true
6217 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6218 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6220 2006-05-04 Richard Guenther <rguenther@suse.de>
6222 PR tree-optimization/14287
6223 PR tree-optimization/14844
6224 PR tree-optimization/19792
6225 PR tree-optimization/21608
6226 PR tree-optimization/27090
6227 * tree-ssa-pre.c (try_combine_conversion): New function.
6228 (compute_avail): After constructing the value-handle
6229 expression, use try_combine_conversion to combine NOP_EXPRs
6230 with previous value-handle expressions and use the result if it
6233 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6235 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6237 2006-05-04 Jan Hubicka <jh@suse.cz>
6240 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6242 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6244 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6245 that this only matches CONST_INTs. All users changed to VOIDmode
6248 * config/bfin/bfin.c: Include "optabs.h".
6249 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6251 (enum bfin_builtins): Add a number of fractional and vector builtins.
6252 (bfin_init_builtins): Likewise.
6253 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6254 (safe_vector_operand, bfin_expand_binop_builtin,
6255 bfin_expand_unop_builtin): New functions.
6256 (bfin_expand_builtin): Handle the new builtins.
6257 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6260 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6263 * Makefile.in (OBJS-common): Add see.o.
6264 (see.o): Add dependencies.
6265 * common.opt (fsee): New flag for the see optimization was added.
6266 * opts.c (flag_see): Initialized.
6267 * passes.c (init_optimization_passes, pass_see): New pass.
6268 * rtl.h (see_main): Declaration as extern.
6269 * timevar.def (TV_SEE): New.
6270 * tree-pass.h (pass_see): Declaration as extern.
6271 * invoke.texi (-fsee): Document.
6272 * recog.c (validate_simplify_insn): New function.
6273 * recog.h (validate_simplify_insn): Declaration as extern.
6274 * df-problems.c (df_chain_dump): Check for NULL.
6276 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6277 Daniel Berlin <dberlin@dberlin.org>
6279 * cfgrtl.c (insert_insn_bb_end_new): New function.
6280 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6282 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6284 * df.h (struct web_entry): Moved from web.c.
6285 (union_defs): Declaration as extern.
6286 (unionfind_root): Likewise.
6287 (unionfind_union): Likewise.
6288 * web.c (struct web_entry): Moved to df.h.
6289 (unionfind_root): Remove static declaration.
6290 (unionfind_union): Likewise.
6291 (union_defs): Likewise and generalize to use callback function.
6292 (web_main): Update arguments for union_defs function call.
6294 2006-05-04 Richard Guenther <rguenther@suse.de>
6296 PR tree-optimization/26447
6297 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6298 produce SSA_NAME copies before the store stmt to avoid
6299 breaking exception handling.
6301 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6304 * gimplify.c (omp_is_private): If var is shared in some outer context,
6305 return false instead of true. Stop searching on parallel context
6308 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6311 * coverage.c: Use get_gcov_unsigned_t() instead of
6312 unsigned_type_node all over.
6314 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6316 PR tree-optimization/27381
6317 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6318 maintain the same immediate_use links.
6319 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6320 node rather than segfaulting.
6322 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6325 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6326 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6327 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6329 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6331 Fix PR tree-optimization/26626
6332 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6334 * tree-ssa-operands.c (access_can_touch_variable): Allow
6335 typecasting through union pointers.
6337 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6340 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6341 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6342 to find if var will be a global variable even in the nested context.
6343 (omp_copy_decl): Only check for global variable at the end, it might
6344 be overridden in outer contexts.
6345 (scan_sharing_clauses): For global variables don't create a field.
6346 (lower_rec_input_clauses): Do nothing for global shared variables.
6347 Emit a barrier at the end of ILIST if there were any decls in both
6348 firstprivate and lastprivate clauses.
6349 (lower_send_clauses): Do nothing for global variables except for
6352 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6354 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6355 of the correct signedness is returned.
6357 2006-05-02 Jeff Law <law@redhat.com>
6359 PR tree-optimization/27364
6360 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6361 multiply expressions.
6363 2006-05-02 Tom Tromey <tromey@redhat.com>
6365 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6367 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6370 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6371 -mthumb -fPIC are used.
6373 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6374 Joshua Kinard <kumba@gentoo.org>
6377 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6378 with 64-bit pointers.
6380 2006-05-02 Paul Brook <paul@codesourcery.com>
6382 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6384 (create_fix_barrier): Check that a suitable barrier location is
6386 (arm_reorg): Include ftmp->address in allowable range of addresses.
6388 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6391 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6394 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6397 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6398 around RESULT_DECL for result passed by reference.
6399 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6400 * omp-low.c (use_pointer_for_field): Don't look at
6401 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6402 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6403 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6404 time or var for passing by reference for
6405 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6406 TREE_ADDRESSABLE variables when passing by reference.
6408 * omp-low.c (dump_omp_region): Fix output formatting.
6411 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6412 (expand_omp_parallel): Likewise.
6413 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6416 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6417 on statement list containing also constructors and destructors.
6418 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6421 * except.c (duplicate_eh_regions): Fix clearing of
6422 cfun->eh->region_array entries.
6424 2006-05-01 DJ Delorie <dj@redhat.com>
6426 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6428 (gcc_cv_objdump): Likewise.
6429 * configure: Regenerated.
6431 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6434 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6435 templates for case 3 and 4.
6437 2006-05-01 DJ Delorie <dj@redhat.com>
6439 * vec.c: Include bconfig.h when appropriate.
6440 * Makefile.in (build/vec.o): Adjust dependencies.
6441 * mkconfig.sh: Make sure config.h isn't used for build machine
6444 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6446 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6448 (mark_phi_for_rewrite): New function.
6449 (insert_phi_nodes_for, mark_use_interesting): Call
6450 mark_phi_for_rewrite.
6451 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6452 (update_ssa): Initialize and free phis_to_rewrite.
6454 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6456 PR rtl-optimization/27291
6457 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6458 folded to a constant.
6460 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6462 PR tree-optimization/27283
6463 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6464 not whole # of iteration descriptions.
6465 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6466 uses abnormal ssa name.
6467 (niter_for_single_dom_exit): Ditto.
6468 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6469 return just the number of iterations.
6471 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6473 PR tree-optimization/27144
6474 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6475 (record_estimate): Only record constant upper bound.
6476 (infer_loop_bounds_from_undefined): Call
6477 compute_estimated_nb_iterations just once.
6478 (proved_non_wrapping_p): Renamed to ...
6479 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6480 (convert_step_widening, scev_probably_wraps_p): Call
6481 n_of_executions_at_most instead of proved_non_wrapping_p.
6482 (substitute_in_loop_info): Do not replace values in bounds.
6483 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6486 2006-05-01 Richard Henderson <rth@redhat.com>
6489 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6490 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6493 2006-05-01 Roger Sayle <roger@eyesopen.com>
6495 * c-typeck.c (parser_build_binary_op): Don't call the function
6496 unsigned_conversion_warning to spot operand/result type overflow.
6497 (build_binary_op): Instead, call convert_and_check instead of
6498 convert to report the problem when the operands are promoted.
6499 * c-common.c (unsigned_conversion_warning): Make static.
6500 * c-common.h (unsigned_conversion_warning): Delete prototype.
6502 2006-05-01 Richard Guenther <rguenther@suse.de>
6504 PR tree-optimization/26726
6505 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6507 (find_interesting_uses_address): ... we work around here
6508 by folding INDIRECT_REFs in the substituted base.
6510 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6512 * omp-low.c (dump_omp_region): Add newlines.
6514 2006-04-30 Roger Sayle <roger@eyesopen.com>
6516 * common.opt (Woverflow): New command line option.
6517 * c-common.c (constant_expression_warning): Check warn_overflow.
6518 (overflow_waring): Pass OPT_Woverflow to warning.
6519 (unsigned_conversion_warning): Likewise.
6520 (convert_and_check): Likewise.
6521 * doc/invoke.texi: Document new command line option.
6523 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6525 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6526 TARGET_NO_FP_IN_TOC for section anchors.
6527 (optimization_options): Enable section anchors for all
6528 non-"Objective" languages.
6530 2006-04-28 Eric Christopher <echristo@apple.com>
6532 * config/darwin-c.c (darwin_ms_struct): Move this
6533 (darwin_set_default_type_attributes): and this...
6534 * config/darwin.c: ... here.
6535 * config/darwin.h (darwin_ms_struct): Declare.
6537 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6539 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6541 2006-04-28 Roger Sayle <roger@eyesopen.com>
6544 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6545 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6546 an unsigned HOST_WIDE_INT.
6547 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6549 (really_start_incremental_init): No need to call convert because
6550 bitsize_zero_node is already of type bitsizetype.
6551 (push_init_level): Extract the value of constructor_index as an
6552 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6553 (process_init_element): Likewise.
6555 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6557 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6558 value before passing to make_relative_prefix.
6560 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6563 * builtins.c (expand_builtin_memset): Expand val in original mode.
6565 2006-04-27 Eric Christopher <echristo@apple.com>
6567 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6568 with #ifndef/#endif.
6569 * config/darwin-c.c (darwin_ms_struct): New.
6570 (darwin_pragma_ms_struct): Ditto.
6571 (darwin_set_default_type_attributes): Ditto.
6572 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6573 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6574 Register ms_struct pragma.
6575 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6576 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6577 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6578 darwin_set_default_type_attributes if TARGET_MACHO.
6580 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6582 PR tree-optimization/26854
6583 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6584 * doc/tree-ssa.texi: Update immuse iterator documentation.
6585 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6586 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6587 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6588 first_safe_imm_use, next_safe_imm_use): Remove.
6589 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6590 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6591 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6592 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6593 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6594 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6595 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6596 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6597 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6598 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6599 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6600 (perfect_nestify): Use new iterator.
6601 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6603 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6604 (next_imm_name): New field in struct immediate_use_iterator_d.
6605 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6606 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6607 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6608 * tree-cfg.c (replace_uses_by): Use new iterator.
6609 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6610 * tree-ssa-operands.c (correct_use_link): Remove.
6611 (finalize_ssa_use_ops): No longer call correct_use_link.
6613 2006-04-27 Stuart Hastings <stuart@apple.com>
6615 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6616 * config/t-darwin (crt3.o): Use it.
6617 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6618 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6619 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6620 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6621 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6624 2006-04-27 Roger Sayle <roger@eyesopen.com>
6626 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6627 size, force the intermediate into a new pseudo rather instead of
6628 performing both a bitwise AND and a bitwise IOR in memory.
6630 2006-04-27 Richard Guenther <rguenther@suse.de>
6632 PR rtl-optimization/26685
6633 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6634 this one "max-flow-memory-locations".
6636 2006-04-27 Richard Guenther <rguenther@suse.de>
6638 PR tree-optimization/25148
6639 * tree-vrp.c (compare_values): Remove code dealing with
6640 comparisons against type min/max value. Honour overflow
6641 and negative constants in code dealing with comparisons
6642 of plus and minus expressions.
6643 (value_inside_range): Use fold_binary with LE_EXPR and
6644 GE_EXPR rather than compare_values.
6646 2006-04-27 Dirk Mueller <dmueller@suse.de>
6648 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6651 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6653 * basic-block.h (safe_insert_insn_on_edge): Removed.
6654 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6656 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6657 Paolo Bonzini <bonzini@gnu.org>
6660 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6661 (simplify_and_const_int): Same.
6663 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6665 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6667 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6670 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6671 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6672 cgraph_global_info_ready.
6675 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6678 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6679 either decl or init is error_mark_node.
6682 * tree-flow.h (struct omp_region): Add sched_kind.
6683 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6684 instead of extracting omp for data.
6685 (expand_omp_for): Save extracted sched_kind.
6687 2006-04-25 Roger Sayle <roger@eyesopen.com>
6689 * expmed.c (store_bit_field): Also check whether the bitsize is
6690 valid for the machine's "insv" instruction before moving the
6691 target into a pseudo for use with the insv.
6692 * config/i386/predicates.md (const8_operand): New predicate.
6693 * config/i386/i386.md (extv, extzv, insv): Use the new
6694 const8_operand predicate where appropriate.
6696 2006-04-25 DJ Delorie <dj@redhat.com>
6698 * doc/install.texi (Specific): Clarify that this is not a list of
6699 supported hosts or targets.
6701 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6703 PR rtl-optimization/26725
6704 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6705 block's BB_DIRTY flag.
6707 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6709 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6712 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6713 to print an integer.
6715 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6717 * varasm.c (align_variable): New function.
6718 (get_block_for_decl): Apply align_variable to DECL before
6719 calculating section information.
6720 (assemble_variable): Split out alignment computation.
6722 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6724 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6727 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6729 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6730 MODE_PARTIAL_INT mode.
6731 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6732 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6734 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6735 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6737 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6739 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6741 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6742 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6743 MACFLAG_IH): Likewise.
6744 (movstricthi_1): Renamed from "*movstricthi".
6745 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6746 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6747 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6748 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6749 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6750 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6751 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6752 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6753 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6754 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6755 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6756 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6757 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6758 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6759 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6761 * doc/rtl.texi (ss_ashift): Improve wording.
6763 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6765 * dwarf2out.c (verify_marks_clear): New.
6766 (prune_unused_types): Call verify_marks_clear initially, not
6769 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6771 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6772 * doc/rtl.texi: Document them.
6773 * simplify-rtx.c (simplify_unary_operation,
6774 simplify_binary_operation_1): Don't abort when we see them.
6776 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6779 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6780 * configure.ac: Completely disregard languages that are not
6782 * configure: Regenerated.
6784 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6785 Richard Guenther <rguenther@suse.de>
6787 PR tree-optimization/27236
6788 * tree-inline.c (copy_body_r): Make sure to copy
6789 TREE_THIS_VOLATILE flag.
6791 2006-04-24 Richard Guenther <rguenther@suse.de>
6794 * tree-complex.c (update_parameter_components): Don't handle
6795 unused parameters which have no default def.
6797 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6798 Richard Guenther <rguenther@suse.de>
6800 PR tree-optimization/27218
6801 * tree-inline.c (expand_call_inline): Strip useless type
6802 conversions for the return slot address.
6804 2006-04-24 Richard Guenther <rguenther@suse.de>
6806 * cfgloop.h (struct loops): Remove unused field array. Reorder
6808 (LOOP_PREFETCH): Remove.
6810 2006-04-24 Richard Guenther <rguenther@suse.de>
6812 PR tree-optimization/22525
6813 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6814 variable, adjust types of generated expressions.
6816 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6818 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6819 (tree-vect-patterns.o): Likewise.
6821 (cselib.o): Likewise.
6822 (loop-doloop.o): Likewise.
6823 (regclass.o): Likewise.
6824 (reload1.o): Likewise.
6825 (explow.o): Replace target.h with $(TARGET_H).
6826 (ipa-prop.o): Likewise.
6827 (ipa-cp.o): Likewise.
6828 (ipa-inline.o): Likewise.
6829 (reorg.o): Likewise.
6830 (reg-stack.o): Likewise.
6832 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6834 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6836 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6838 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6840 * configure.ac: Completely disregard languages that are not
6842 * configure: Regenerated.
6845 * c-common.h (c_build_bitfield_integer_type): Declare.
6846 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6847 * c-common.c (c_build_bitfield_integer_type): ... here.
6849 2006-04-23 Roger Sayle <roger@eyesopen.com>
6852 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6853 a SImode SUBREG of a floating point register after no_new_pseudos.
6855 2006-04-23 Roger Sayle <roger@eyesopen.com>
6857 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6858 identify potentially eliminable registers to additionally catch
6859 VIRTUAL_INCOMING_ARGS_REGNUM.
6860 (addsi3): Update the conditions on when to use addsi_small_int.
6862 2006-04-23 Roger Sayle <roger@eyesopen.com>
6865 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6866 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6867 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6869 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6871 * fold-const.c (range_predecessor): Use operand_equal_p
6872 as the predicate for equality.
6873 (range_successor): Likewise.
6875 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6878 * config/soft-fp/op-common.h: Fix a typo.
6880 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6883 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6884 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6886 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6888 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6890 * doc/tm.texi: Fix a typo.
6892 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6894 * dwarf2out.c (struct die_struct): Document that die_sib makes
6895 a circular linked list.
6896 (FOR_EACH_CHILD): New.
6897 (reverse_die_lists): Delete.
6898 (reverse_all_dies): Delete.
6899 (add_dwarf_attr): Correct documentation.
6900 (remove_child_with_prev): New.
6901 (remove_child_TAG): Update for change to die_struct, use
6902 remove_child_with_prev.
6903 (add_child_die): Update for change to die_struct.
6904 (splice_child_die): Use remove_child_with_prev and add_child_die.
6905 (print_die): Use FOR_EACH_CHILD.
6906 (die_checksum): Likewise.
6907 (assign_symbol_names): Likewise.
6908 (output_location_lists): Likewise.
6909 (build_abbrev_table): Likewise.
6910 (calc_die_sizes): Likewise.
6911 (mark_dies): Likewise.
6912 (unmark_dies): Likewise.
6913 (unmark_all_dies): Likewise.
6914 (output_die): Likewise.
6915 (prune_unused_types_mark): Likewise.
6916 (prune_unused_types_walk): Likewise.
6917 (same_die_p): Update for change to die_struct.
6918 (break_out_includes): Likewise.
6919 (prune_unused_types_prune): Likewise.
6920 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6921 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6923 (dwarf2out_finish): Don't call reverse_all_dies.
6925 2006-04-21 Eric Christopher <echristo@apple.com>
6927 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6928 in comments and function names.
6930 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6933 * c-typeck.c (digest_init): Robustify.
6935 * c-typeck.c (pop_init_level): Simplify.
6937 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6939 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6941 2006-04-21 Paul Brook <paul@codesourcery.com>
6943 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6944 hardware floating point.
6946 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6948 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6951 2006-04-21 Nick Clifton <nickc@redhat.com>
6953 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6956 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6959 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6960 C++ lang type in traceback table for Objective-C++.
6962 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6964 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6966 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6968 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6971 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6972 were errors. Remove check for erroneous objects.
6974 2006-04-20 Jeff Law <law@redhat.com>
6976 PR tree-optimization/26854
6977 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6978 checking for zero or one use.
6979 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6980 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6981 * tree-ssa-reassoc.c (negate_value): Similarly.
6982 (reassociate_bb): Similarly.
6984 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6986 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6987 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6988 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6990 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6992 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6993 fp regs if the last fp arg doesn't fit in regs.
6995 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6998 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6999 that the last insn has the REG_INC note.
7001 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7002 Nathan Sidwell <nathan@codesourcery.com>
7005 * stor-layout.c (update_alignment_for_field): Do not align
7007 (place_union_field): Place union field at the start of the union.
7008 (place_field): Move ERROR_MARK check later, and use the current
7009 allocation position to maintain monotonicity.
7011 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7013 * dominance.c: Include timevar.h.
7014 (calculate_dominance_info): Use TV_DOMINANCE.
7015 * timevar.def (TV_DOMINANCE): New timevar.
7016 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7018 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7020 PR rtl-optimization/14261
7021 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7022 move would be an INSV insn.
7023 (noce_process_if_block): Don't optimize if the destination is a
7024 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7026 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7028 * config/s390/s390.md: Add comments with the instructions emitted
7029 by an insn pattern if macros are used.
7031 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7033 PR rtl-optimization/26026
7034 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7035 is a known power of two shifted left a variable amount.
7037 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7039 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7040 to hash table twice when the debug_str section has SECTION_MERGE.
7042 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7044 * config/soft-fp: New directory. From glibc.
7045 * config/soft-fp/t-softfp: New.
7046 * config/soft-fp/README: New.
7047 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7048 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7049 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7050 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7051 * config.gcc: Use rs6000/t-fprules-fpbit or
7052 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7054 * config/rs6000/sfp-machine.h: New. Based on glibc.
7055 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7057 * config/rs6000/t-fprules: Remove fp-bit rules.
7058 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7059 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7060 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7061 (softfp_wrap_start, softfp_wrap_end): New.
7063 2006-04-18 DJ Delorie <dj@redhat.com>
7065 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7067 2006-04-18 Devang Patel <dpatel@apple.com>
7069 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7071 2006-04-18 Nick Clifton <nickc@redhat.com>
7073 * config/sh/t-symbian: Add rule to build sh-c.o
7074 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7075 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7076 (sh_symbian_encode_section_info): Likewise.
7078 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7080 * builtins.c (expand_builtin_strcmp): Cover label definition of
7081 do_libcall with HAVE_cmpstrnsi.
7083 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7085 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7087 * function.h (temp_slot_p): New.
7088 (function): Change the type of x_used_temp_slots to
7089 VEC(temp_slot_p,gc) *.
7091 2006-04-18 Nick Clifton <nickc@redhat.com>
7093 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7094 flag_strength_reduce.
7096 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7098 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7102 Partial revert of revision 112637
7103 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7104 Dale Johannesen <dalej@apple.com>
7107 * regclass.c (struct reg_pref): Update documentation.
7108 (regclass): Set prefclass to NO_REGS if memory is the best option.
7109 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7111 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7113 PR tree-optimization/26821
7114 * tree-ssa-math-opts.c (get_constant_one): New.
7115 (insert_reciprocals): Use it.
7117 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7119 * dwarf2out.c (free_AT): Delete.
7120 (remove_AT): Update string ref counts.
7121 (remove_child_TAG): Don't call free_die.
7123 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7124 or DW_TAG_GNU_EINCL.
7125 (prune_unused_types_walk_attribs): Reset string refcounts.
7126 (prune_unused_types_update_strings): New.
7127 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7128 call free_die. Do call prune_unused_types_update_strings.
7129 (prune_unused_types): Empty debug_str_hash.
7131 2006-04-17 Roger Sayle <roger@eyesopen.com>
7133 * expr.c (expand_assignment): Optimize away no-op moves where the
7134 source and destination are equal and have no side-effects.
7136 2006-04-17 Richard Guenther <rguenther@suse.de>
7139 * reload.c (push_reload): Guard calls to get_secondary_mem
7142 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7144 * alias.c (reg_base_value, old_reg_base_value): Change the
7145 type to VEC(rtx,gc) *.
7146 (REG_BASE_VALUE, find_base_value, record_set,
7147 init_alias_analysis): Use VEC instead of VARRAY.
7149 * alias.c (alias_sets): Change the type to
7150 VEC(alias_set_entry,gc) *.
7151 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7152 VEC instead of VARRAY.
7153 (last_alias_set): Remove.
7155 * cgraph.h (cgraph_edge_p): New.
7156 Update the prototype of cgraph_function_versioning.
7157 * cgraphunit.c (cgraph_copy_node_for_versioning,
7158 cgraph_function_versioning): Use VEC instead of VARRAY.
7159 * ipa-cp.c (ipcp_insert_stage): Likewise.
7161 2006-04-16 Roger Sayle <roger@eyesopen.com>
7164 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7165 "A op B" or "A op C", we may need to convert A to the type of B and C.
7167 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7169 * target.h (struct gcc_target): Add mode_rep_extended.
7170 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7171 (init_num_sign_bit_copies_in_rep): Initialize it using
7173 (truncate_to_mode): Use it.
7174 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7175 * targhooks.h (default_mode_rep_extended): Declare it.
7176 * targhooks.c (default_mode_rep_extended): Define it.
7177 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7178 default_mode_rep_extended.
7179 (TARGET_INITIALIZER): Include it.
7180 * doc/tm.texi (Misc): Document it.
7181 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7182 (mips_truncated_to_mode): New function.
7184 2006-04-16 Roger Sayle <roger@eyesopen.com>
7187 * expr.c (compress_float_constant): Copy the narrow constant into
7188 a new pseudo before extending it to its final width.
7190 2006-04-16 Roger Sayle <roger@eyesopen.com>
7191 Andrew Pinski <pinskia@gcc.gnu.org>
7192 Dale Johannesen <dalej@apple.com>
7195 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7196 special case code to implement V8HImode and V16QImode with SSE2.
7198 2006-04-15 Roger Sayle <roger@eyesopen.com>
7200 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7201 trees are constructed with a suitable tree type.
7203 2006-04-15 Roger Sayle <roger@eyesopen.com>
7205 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7206 (integer_onep): Likewise.
7207 (integer_all_onesp): Likewise.
7208 (integer_pow2p): Likewise.
7209 (integer_nonzerop): Likewise.
7210 (real_zerop): Likewise.
7211 (real_onep): Likewise.
7212 (real_twop): Likewise.
7213 (real_minus_onep): Likewise.
7214 (int_size_in_bytes): Likewise.
7215 (host_integerp): Likewise.
7217 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7219 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7220 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7221 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7223 * tree-ssa-structalias.h (alias_info): Remove num_references.
7225 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7227 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7228 (output_bvb patterns): Likewise.
7229 * pa.c (output_bb): Use 'bb' insn for long branch case.
7230 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7231 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7232 1. Correct length operand for alternatives 1 and 2.
7233 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7234 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7236 2006-04-14 Roger Sayle <roger@eyesopen.com>
7238 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7239 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7240 were accidentally reverted by r112959.
7242 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7245 * except.h (eh_region_outermost): New prototype.
7246 * except.c (eh_region_outermost): New function.
7247 * tree-cfg.c (find_outermost_region_in_block): Use it.
7249 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7251 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7253 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7254 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7255 (init_reload, reload): Use VEC instead of VARRAY.
7256 * reload.h: Update the prototype for
7257 reg_equiv_memory_loc_varray.
7259 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7260 Eric Botcazou <ebotcazou@libertysurf.fr>
7262 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7265 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7268 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7269 to expand fallback builtin function call.
7271 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7274 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7275 and emit libcall here in case the builtin fails.
7276 (expand_builtin_strcmp): Always emit the libcall here on failure.
7278 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7280 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7281 * flow.c (reg_n_info): Change the type to
7282 VEC(reg_info_p,heap) *.
7283 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7285 * regs.h (reg_info_p): New.
7286 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7287 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7288 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7291 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7293 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7295 * params.h (MAX_SCHED_READY_INSNS): New macro.
7296 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7297 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7298 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7299 the ready list for 1 cycle during the first scheduling pass.
7300 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7302 2006-04-13 Richard Henderson <rth@redhat.com>
7305 * gimple-low.c (lower_omp_directive): Remove dead code.
7306 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7307 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7308 * omp-low.c (struct omp_region): Move to tree-flow.h.
7309 (root_omp_region): Export.
7310 (omp_regions, lookup_omp_region): Remove.
7311 (determine_parallel_type): Update for struct omp_region changes.
7312 (dump_omp_region): Dump regions with block numbers.
7313 (new_omp_region): Take type and block instead of stmt; malloc
7315 (free_omp_region_1, free_omp_regions): New.
7316 (expand_parallel_call): Take entry_stmt as argument; update for
7317 changes to omp_region.
7318 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7319 (remove_exit_barriers): New.
7320 (expand_omp_parallel): Update for struct omp_region changes.
7321 (expand_omp_synch): Likewise.
7322 (expand_omp): Likewise.
7323 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7324 (expand_omp_for_static_chunk): Likewise.
7325 (expand_omp_for): Likewise.
7326 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7327 (expand_omp_sections): Similarly, with GOMP_sections_end.
7328 (expand_omp_single): New.
7329 (build_omp_regions_1): Update for OMP_CONTINUE.
7330 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7331 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7332 OMP_SECTIONS_SECTIONS.
7333 (lower_omp_single_simple): Don't emit barrier here.
7334 (lower_omp_single_copy): Likewise.
7335 (lower_omp_single): Fix bindings, and lower to straightline now.
7336 (lower_omp_master, lower_omp_ordered): Likewise.
7337 (lower_omp_critical): Likewise.
7338 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7339 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7340 omp edges, free it afterward.
7341 (make_omp_sections_edges): Remove.
7342 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7343 (move_stmt_r): Handle OMP_CONTINUE.
7344 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7345 statement pointers to basic blocks. Add type member.
7346 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7347 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7348 * tree-inline.c (estimate_num_insns_1): Likewise.
7349 * tree-pretty-print.c (dump_generic_node): Likewise.
7350 * tree-ssa-operands.c (get_expr_operands): Likewise.
7351 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7352 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7353 (OMP_CONTINUE): New.
7354 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7355 (OMP_SECTIONS_SECTIONS): Remove.
7356 (OMP_SECTION_LAST): New.
7357 (OMP_RETURN_NOWAIT): New.
7359 2006-04-13 Roger Sayle <roger@eyesopen.com>
7361 * fold-const.c (native_encode_vector, native_interpret_real):
7362 Correct obvious mistakes in the previous check-in.
7364 2006-04-13 Roger Sayle <roger@eyesopen.com>
7366 * fold-const.c (native_encode_expr): New function to encode
7367 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7368 or VECTOR_CST into a specified buffer.
7369 (native_encode_int): New function.
7370 (native_encode_real): New function.
7371 (native_encode_complex): New function.
7372 (native_encode_vector): New function.
7373 (native_interpret_expr): Inverse of native_encode_expr to convert
7374 a target representation into an INTEGER_CST, REAL_CST etc...
7375 (native_interpret_int): New function.
7376 (native_interpret_real): New function.
7377 (native_interpret_complex): New function.
7378 (native_interpret_vector): New function.
7379 (fold_view_convert_expr): New function to constant fold/evaluate
7380 a VIEW_CONVERT_EXPR of a suitable constant expression.
7381 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7382 Change call of build1 to fold_build1 when constructing a
7385 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7386 Ulrich Weigand <uweigand@de.ibm.com>
7389 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7392 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7395 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7396 optimize to lo_sum for DFmode if !TARGET_FPRS.
7398 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7400 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7401 delete_alias_info, compute_flow_sensitive_aliasing,
7402 group_aliases): Use VEC instead of VARRAY.
7403 * tree-ssa-structalias.c (update_alias_info): Likewise.
7404 * tree-ssa-structalias.h (alias_info): Change the type of
7405 processed_ptrs to VEC(tree,heap) *.
7407 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7410 * config/sh/lib1funcs.h: New file, broken out of:
7411 * config/sh/lib1funcs.asm.
7412 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7414 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7415 * config/sh/lib1funcs-Os-4-200.asm: New file.
7416 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7417 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7418 (EXTRA_MULTILIB_PARTS): Include it.
7419 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7420 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7421 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7422 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7425 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7427 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7428 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7429 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7431 * tree-ssa-live.h: Include vecprim.h.
7432 (tree_partition_associator_d): Change the type of
7433 first_partition to VEC(int,heap) *.
7434 (tpa_first_partition): Use VEC instead of VARRAY.
7436 * Makefile.in (GTFILES): Move functions.h after tree.h.
7437 * function.c (reset_block_changes, record_block_change,
7438 check_block_change, free_block_changes): Use VEC instead of
7440 * function.h (function): Change the type of
7441 ib_boundaries_block to VEC(tree,gc) *.
7442 * tree-inline.c (copy_cfg_body): Initialize
7443 ib_boundaries_block to NULL instead of (varray_type) 0.
7445 2006-04-12 Roger Sayle <roger@eyesopen.com>
7447 * expr.c (emit_group_store): Correct operand order in call to
7448 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7449 a SUBREG_BYTE of zero.
7451 2006-04-12 Richard Guenther <rguenther@suse.de>
7453 * profile.c (compute_branch_probabilities): Remove code
7454 encapsulated in !ir_type (), which are remanents of the
7455 removed RTL profiling code.
7456 * rtl-profile.c: Remove.
7458 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7460 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7461 magic NULL_RTX comment.
7462 (function_arg): Store entire fp arg to mem if any part should go
7464 (rs6000_arg_partial_bytes): Adjust for above change.
7466 2006-04-11 Roger Sayle <roger@eyesopen.com>
7468 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7469 if it hasn't been initialized by dwarf2out_init.
7471 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7473 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7474 symbolic constants in branch patterns.
7476 2006-04-11 Roger Sayle <roger@eyesopen.com>
7478 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7480 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7482 PR rtl-optimization/27073
7483 * gcse.c (try_replace_reg): Revert last change. Continue to search
7484 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7487 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7489 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7490 aggregate types other than record and union types.
7491 (function_arg): Likewise.
7492 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7494 (function_value): In 64-bit mode, return objects that require it
7497 2006-04-11 Roger Sayle <roger@eyesopen.com>
7499 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7501 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7503 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7505 2006-04-03 Jeff Law <law@redhat.com>
7508 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7509 alias information too.
7511 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7513 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7515 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7518 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7519 (premark_used_types_helper): New.
7520 (premark_used_types): New.
7521 (gen_subprogram_die): Call premark_used_types.
7522 (prune_unused_types_walk): Do not prune perennial dies.
7523 * function.c (used_types_insert): New.
7524 * function.h (struct function): Add used_types_hash field.
7525 (used_types_insert): Add prototype.
7526 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7527 * c-parser.c (c_parser_cast_expression): Save casted types in used
7530 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7533 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7534 rs6000_explicit_options.float_gprs.
7536 2006-04-10 Roger Sayle <roger@eyesopen.com>
7538 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7539 from ix86_expand_vector_init_low_nonzero. Take an additional
7540 one_var argument indicating which element is non-zero. Support
7541 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7542 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7543 with one_var instead of ix86_expand_vector_init_low_nonzero.
7545 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7547 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7548 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7549 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7550 build/genextract.o): Depend on vecprim.h.
7551 * cfglayout.c, df-problems.c, function.c, genextract.c,
7552 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7553 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7557 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7559 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7560 Declare VECs of this type.
7561 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7562 (remove_children): Delete.
7563 (add_dwarf_attr): Use VEC routines.
7564 (add_AT_flag): Update for changes to add_dwarf_attr.
7565 (add_AT_int): Likewise.
7566 (add_AT_unsigned): Likewise.
7567 (add_AT_long_long): Likewise.
7568 (add_AT_vec): Likewise.
7569 (add_AT_string): Likewise.
7570 (add_AT_die_ref): Likewise.
7571 (add_AT_fde_ref): Likewise.
7572 (add_AT_loc): Likewise.
7573 (add_AT_loc_list): Likewise.
7574 (add_AT_addr): Likewise.
7575 (add_AT_lbl_id): Likewise.
7576 (add_AT_lineptr): Likewise.
7577 (add_AT_macptr): Likewise.
7578 (add_AT_offset): Likewise.
7579 (add_AT_range_list): Likewise.
7580 (get_AT): Use VEC_iterate.
7581 (remove_AT): Use VEC_ordered_remove.
7582 (free_die): Fold remove_children into here; have it use VEC_iterate.
7583 (print_die): Use VEC_iterate on attrs.
7584 (reverse_die_lists): Don't reverse attr lists.
7585 (die_checksum): Use VEC_iterate on attrs.
7586 (same_die_p): Likewise.
7587 (output_location_lists): Likewise.
7588 (build_abbrev_table): Likewise.
7589 (size_of_die): Likewise.
7590 (unmark_all_dies): Likewise.
7591 (output_abbrev_section): Likewise.
7592 (output_die): Likewise.
7593 (prune_unused_types_walk_attribs): Likewise.
7595 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7597 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7599 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7602 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7604 2006-04-09 Roger Sayle <roger@eyesopen.com>
7606 * expr.c (store_constructor): Don't bother clearing target if
7607 we're about to assign a vector to it using vec_init_optab.
7609 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7611 * tree-ssa-alias.c (lhs_may_store_to): New function.
7612 (recalculate_used_alone): Handle LHS of calls.
7614 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7618 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7619 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7620 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7621 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7622 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7623 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7624 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7625 stubs. Add ".align 8" directives before all ".dword" directives.
7626 (GTHREAD_USE_WEAK): Revise comment.
7627 (TARGET_ATTRIBUTE_WEAK): Define.
7628 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7629 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7630 * stublib.c: New file.
7635 * pa.md (cbranch patterns): Revise arguments used in calls to
7636 output_cbranch, output_bb and output_bvd. Add long branch length
7638 (fbranch patterns): Handle long branches.
7639 (jump): Revise length check. Revise arguments for output_lbranch call.
7640 Add long branch length attributes.
7641 (decrement_and_branch_until_zero): Add long branch length attributes.
7642 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7643 Likewise. Revise arguments for output_parallel_addb and
7644 output_parallel_movb calls.
7645 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7646 output_parallel_movb and output_parallel_addb): Update prototypes.
7647 * pa.c (output_cbranch): Revise arguments. Correct handling of
7648 nullification in long branches.
7649 (output_lbranch): Add new argument to control extraction of delay
7651 (output_bb): Handle long branches.
7652 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7653 output_parallel_addb): Likewise.
7655 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7657 PR rtl-optimization/27073
7658 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7661 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7663 * tree.h (tree_memory_tag): Add old_used_alone.
7664 (SMT_OLD_USED_ALONE): New macro.
7665 * tree-ssa-alias.c (recalculate_used_alone): Stop
7666 marking things for renaming unnecessarily.
7668 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7670 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7671 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7672 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7673 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7674 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7675 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7676 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7677 spelling convensions.
7678 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7679 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7680 typos. Follow spelling conventions.
7682 2006-04-07 DJ Delorie <dj@redhat.com>
7684 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7685 passed on the stack.
7686 (m32c_init_cumulative_args): When a function returns a structure,
7687 always pass the pointer to that return area on the stack.
7688 (m32c_function_arg_advance): Don't increment the parameter number
7689 if we're processing the returned structure pointer.
7690 (pushm_info): Reverse order of registers.
7692 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7694 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7695 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7696 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7697 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7699 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7700 chrec_fold_multiply): Same.
7701 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7702 force_expr_to_var_cost): Same.
7703 * tree-mudflap.c (mf_xform_derefs_1): Same.
7704 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7706 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7708 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7709 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7712 2006-04-07 Jan Hubicka <jh@suse.cz>
7714 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7716 2006-04-07 Richard Guenther <rguenther@suse.de>
7718 PR tree-optimization/26135
7719 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7720 loads for store copy-prop.
7721 (copy_prop_visit_stmt): Likewise.
7723 2006-04-05 Robert Millan <robertmh@gnu.org>
7725 * config/i386/linux.h: Add a comment to mark macros that are
7726 being overriden in config/k*bsd-gnu.h.
7727 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7729 * config/knetbsd-gnu.h: Ditto.
7731 2006-04-06 Jan Hubicka <jh@suse.cz>
7735 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7738 2006-04-06 Mike Stump <mrs@apple.com>
7740 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7741 for HAVE_nonlocal_goto to be consistent.
7742 (expand_builtin_nonlocal_goto): Likewise.
7743 (expand_builtin_strcmp): Use #ifdef instead of #if
7744 for HAVE_cmpstrnsi to be consistent.
7746 2006-04-05 DJ Delorie <dj@redhat.com>
7748 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7751 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7753 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7754 got-relative addressing for anything but SImode.
7756 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7757 even if the calling function doesn't modify them.
7759 2006-04-05 Richard Guenther <rguenther@suse.de>
7761 PR tree-optimization/26919
7762 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7763 to cgraph_estimate_size_after_inlining.
7765 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7767 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7769 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7771 PR tree-optimization/26996
7772 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7773 VECTOR_TYPE variables.
7775 2006-04-05 Richard Guenther <rguenther@suse.de>
7777 PR tree-optimization/26763
7778 * fold-const.c (fold_comparison): Move folding of
7779 PTR + CST CMP PTR + CST ...
7780 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7782 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7784 * doc/install.texi (Prerequisites): Refine some wording on
7785 bootstrapping and ksh.
7786 Move the version numbers of DejaGnu here from the testing section
7787 and fix casing of names.
7788 Fix markup and clarify wording for autogen requirements.
7789 Refer to GCJ instead of just java.
7790 Refer to SVN instead of CVS.
7791 Describe diffutils as useful instead of necessary.
7792 (Downloading the source): Refer to SVN instead of CVS.
7793 Adjust a link to our web site accordingly.
7794 (Configuration): Fix casing of Bison.
7795 (Building): Refer to SVN instead of CVS.
7796 Fix a sentence on the use of Bison and remove duplicate (and
7797 incorrect) version number of Bison requirement.
7798 Remove one redundant list of packages needed for building.
7799 (Specific): Avoid reference to CVS.
7801 2006-04-04 Eric Christopher <echristo@apple.com>
7803 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7804 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7805 (rs6000_handle_struct_attribute): New.
7806 (rs6000_ms_bitfield_layout_p): Ditto.
7808 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7810 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7811 NULL for dso parameter to atexit_common.
7813 2006-04-04 Eric Christopher <echristo@apple.com>
7815 * config/i386/i386.c (machopic_output_stub): Output \t
7816 between instructions and operands.
7818 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7820 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7821 satisfies_constraint_[IL] to explicit tests on value.
7823 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7825 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7826 set_nb_iterations_in_loop): Use build_int_cst instead of
7828 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7829 build_int_cst instead of convert.
7831 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7833 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7834 new value 2 for incoming.
7835 * function.c (expand_function_start): Call struct_value_rtx
7837 * config/sparc/sparc.md: Comment updated_return.
7838 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7839 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7840 struct return if sparc_std_struct_return and incoming is 2.
7841 (print_operand): Do not adjust return if
7842 sparc_std_struct_return.
7844 2006-04-04 Roger Sayle <roger@eyesopen.com>
7846 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7847 convert in the middle-end.
7848 * expr.c (store_expr, store_constructor, get_inner_reference,
7849 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7851 * tree.c (build_range_type): Likewise.
7853 2006-04-04 Tom Tromey <tromey@redhat.com>
7855 * doc/install.texi (Prerequisites): Mention jar.
7857 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7859 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7862 2006-04-04 Matthias Klose <doko@debian.org>
7864 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7868 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7871 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7873 * doc/extend.texi (Function Attributes): Rewrite visibility
7874 attribute documentation.
7875 * doc/invoke.texi (C++ Dialect Options): Rewrite
7876 -fvisibility-inlines-hidden documentation to describe something
7877 entirely different, although in practise compatible.
7878 (Code Gen Options): Warn about system headers in -fvisibility=
7881 * doc/extend.texi (Other Builtins): Document that
7882 __builtin_nan is a compile-time constant only when its argument
7885 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7887 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7888 trying to remove TRUNCATE check if all bits outside the new mode
7889 are identical to the sign bit.
7891 2006-04-03 Jeff Law <law@redhat.com>
7893 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7894 and operand scanning in some common cases.
7896 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7897 Dale Johannesen <dalej@apple.com>
7900 * regclass.c (struct reg_pref): Update documentation.
7901 (regclass): Set prefclass to NO_REGS if memory is the best option.
7902 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7903 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7904 into account. For non-registers, equate an empty preferred
7905 reload class to a `!' in the constraint; move the if clause to
7906 do so after those that reject the insn.
7907 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7909 (find_dummy_reload): Likewise.
7910 * doc/tm.texi (Register Classes): Document what it means
7911 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7912 * config/i386/i386.c (ix86_preferred_reload_class): Force
7913 using SSE registers (and return NO_REGS for floating-point
7914 constants) if math is done with SSE.
7915 (ix86_preferred_output_reload_class): New.
7916 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7917 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7918 * config/i386/i386.md: Remove # register preferences.
7920 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7923 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7924 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7925 the type of nb_iter.
7926 (instantiate_parameters_1): Convert the operands before calling
7927 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7928 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7930 2006-04-02 Roger Sayle <roger@eyesopen.com>
7932 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7933 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7935 * dojump.c (do_jump): Likewise.
7936 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7937 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7938 gimplify_boolean_expr): Likewise.
7939 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7940 * varasm.c (array_size_for_constructor): Likewise.
7941 * tree-object-size.c (compute_object_offset): Likewise.
7943 2006-04-02 Roger Sayle <roger@eyesopen.com>
7946 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7947 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7949 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7951 PR tree-optimization/26939
7952 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7954 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7956 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7957 at_stmt. Convert the type of operands before calling
7958 build_polynomial_chrec.
7959 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7961 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7962 (instantiate_parameters_1): Convert the type of operands before calling
7963 build_polynomial_chrec.
7964 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7965 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7966 reset_evolution_in_loop): Insert asserts to check the types of the
7968 (chrec_type): Moved...
7969 (eq_evolutions_p): Use operand_equal_p.
7970 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7971 the types of the operands.
7972 (chrec_type): ...here.
7973 * tree-data-ref.c (create_data_ref): Convert the operands before
7974 calling chrec_replace_initial_condition.
7975 (same_access_functions, analyze_subscript_affine_affine,
7976 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7977 (compute_subscript_distance, analyze_ziv_subscript,
7978 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7979 analyze_miv_subscript): Convert the operands before calling
7980 chrec_fold_minus or chrec_fold_plus.
7982 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7984 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7985 the dependence_relations vector.
7986 (compute_data_dependences_for_loop): Adjust call to
7987 compute_all_dependences.
7989 2006-04-01 Roger Sayle <roger@eyesopen.com>
7990 Richard Henderson <rth@redhat.com>
7992 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7993 gimple_boolify on the condition before calling gimplify_expr.
7995 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7997 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7998 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7999 the frame size. Update to use the new macros.
8000 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8001 * config/xtensa/ieee754-df.S: Likewise.
8003 2006-03-31 Richard Henderson <rth@redhat.com>
8005 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8006 (make_edges): ... here. Control fallthru creation with a local
8007 variable. Do not play with fake edges.
8008 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8009 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8012 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8014 * dwarf2.h (DW64_CIE_ID): Define.
8015 * dwarf2out.c (DWARF_CIE_ID): Define.
8016 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8017 length header. Use DWARF_CIE_ID.
8018 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8019 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8021 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8023 * config/sh/linux-atomic.asm: New file.
8024 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8026 2006-03-31 DJ Delorie <dj@redhat.com>
8028 * config/m32c/cond.md: Set condition flags properly throughout.
8029 * config/m32c/minmax.md: Likewise.
8030 * config/m32c/prologue.md: Likewise.
8031 * config/m32c/bitops.md: Likewise.
8032 * config/m32c/muldiv.md: Likewise.
8033 * config/m32c/mov.md: Likewise.
8034 * config/m32c/addsub.md: Likewise.
8035 * config/m32c/m32c.md: Likewise.
8036 * config/m32c/jump.md: Likewise.
8037 * config/m32c/shift.md: Likewise.
8039 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8040 conditionally output the pattern for this.
8041 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8042 (m32c_compare_redundant): New.
8043 (m32c_output_compare): New.
8044 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8046 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8047 dest, not src. Allow other 4-byte modes.
8049 2006-03-30 Denis Chertykov <denisc@overta.ru>
8051 * doc/md.texi: Refer to avr/constraints.md instead of
8054 2006-03-30 Roger Sayle <roger@eyesopen.com>
8056 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8057 signed vs. unsigned comparison failures on some hosts.
8059 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8062 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8063 change to FLOAT_REGS.
8065 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8066 (rs6000_override_options): Use it.
8067 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8068 only for -mabi=spe/no-spe and -mabi=altivec.
8070 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8072 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8075 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8077 * Makefile.in: Rename docdir to gcc_docdir.
8079 2006-03-30 Roger Sayle <roger@eyesopen.com>
8082 * expr.c (emit_group_store): Optimize group stores into a pseudo
8083 register by using a paradoxical subreg to initialize the destination
8084 if the first or last member of the group specifies a "low part".
8086 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8089 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8090 * target.h (struct gcc_target.speculate_insn): Change type of the
8091 second parameter to 'int'.
8092 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8093 the second operand of the DEPS_LIST.
8094 (copy_DEPS_LIST_list): Update reference to the second operand of the
8096 * rtl.h (alloc_DEPS_LIST): Update signature.
8097 * sched-int.h (ds_t): Change typedef to 'int'.
8098 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8100 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8102 * haifa-sched.c (try_ready): Change condition to restore
8103 non-speculative pattern of the instruction.
8104 (process_insn_depend_be_in_spec): Code to keep probability of the
8105 speculative dependence non-decreasing.
8107 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8109 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8110 (single_move_for_movmem): ... this. Also change all uses.
8111 (bfin_expand_strmov): Renamed to...
8112 (bfin_expand_movmem): ... this. Also change all uses.
8113 * config/bfin/bfin.md (movstrsi): Renamed to...
8114 (movstrsi): ...this.
8116 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8118 PR tree-optimization/26830
8120 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8121 (copy_prop_visit_stmt): Remove write-only variable ann.
8122 (init_copy_prop): Check variable loop depth here. Do not simulate
8123 memory-tag and virtual operand PHIs except for store copy prop.
8125 2006-03-30 Richard Guenther <rguenther@suse.de>
8127 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8128 variants with double arguments.
8130 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8132 * genpreds.c (write_tm_constrs_h): Delete variable p.
8133 * genconditions.c (write_header): Add tm-constrs.h to included
8135 * genpeep.c (main): Add toplev.h to included headers.
8136 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8137 (build/genpeep.o): Add toplev.h dependency.
8138 * config/rs6000/constraints.md: Add "W" constraint.
8140 2006-03-29 Roger Sayle <roger@eyesopen.com>
8142 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8143 sizes by correctly testing whether the size fits a host integer.
8144 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8145 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8146 SImode range for the default sizetype and bitsizetype.
8148 2006-03-29 Roger Sayle <roger@eyesopen.com>
8150 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8151 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8152 quickly if the argument is already of the correct type.
8153 Call fold_build1 instead of build1. Tidy up blank lines.
8155 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8157 * genemit.c (main): Add tm-constrs.h to included headers.
8158 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8159 * genpeep.c (main): Add tm-constrs.h to included headers.
8160 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8161 (write_tm_constrs_h): this and write complete file.
8162 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8163 (write_insn_preds_c): Add tm-constrs.h to included headers.
8164 (gen_constrs): New variable.
8165 (parse_option): Parse "-c".
8166 (main): Invoke write_tm_constrs_h.
8167 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8168 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8169 (object_out_file): Add tm-constrs.h dependency.
8170 (insn-emit.o): Same.
8171 (insn-output.o): Same.
8172 (insn-peep.o): Same.
8173 (insn-preds.o): Same.
8174 (insn-recog.o): Same.
8175 (tm-constsr.h): New target.
8176 (s-constrs-h): New target.
8178 * config/rs6000/constraints.md: New file.
8179 * config/rs6000/rs6000.c: Include tm-constrs.h.
8180 (num_insn_constant_wide): Convert to satisfies_constraint.
8181 (rs6000_rtx_costs): Convert to satisfies_constraint.
8182 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8183 (CONST_OK_FOR_LETTER_P): Delete.
8184 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8185 (EXTRA_CONSTRAINT): Delete.
8186 (EXTRA_MEMORY_CONSTRAINT): Delete.
8187 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8188 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8189 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8190 satisfies_constraint.
8192 * config/i386/i386.c: Include tm-constrs.h.
8194 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8196 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8197 * tree-data-ref.c (find_data_references_in_loop,
8198 compute_data_dependences_for_loop): Use pointers to VEC.
8199 (analyze_all_data_dependences): Adjust calls.
8200 * tree-data-ref.h (find_data_references_in_loop,
8201 compute_data_dependences_for_loop): Adjust declarations.
8202 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8203 compute_data_dependences_for_loop.
8205 2006-03-29 Paul Brook <paul@codesourcery.com>
8207 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8210 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8212 PR tree-optimization/26859
8213 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8215 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8216 for the step after fold_convert.
8218 2006-03-29 Paul Brook <paul@codesourcery.com>
8220 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8221 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8223 2006-03-29 Paul Brook <paul@codesourcery.com>
8226 * targhooks.c (default_narrow_bitfield): New fuction.
8227 * targhooks.h (default_narrow_bitfield): add prototype.
8228 * target.h (gcc_target): Add narrow_volatile_bitfield.
8229 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8230 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8231 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8232 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8234 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8236 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8238 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8239 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8240 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8241 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8242 (s390_function_arg_float): Allow SDmode and DDmode values to be
8243 passed in floating point registers.
8244 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8245 check with SCALAR_FLOAT_MODE_P.
8246 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8248 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8250 PR tree-optimization/25985
8251 * tree-ssa-loop-niter.c (number_of_iterations_le,
8252 number_of_iterations_ne): Make comments more precise.
8253 (number_of_iterations_cond): Add only_exit argument. Use the
8254 fact that signed variables do not overflow only when only_exit
8256 (loop_only_exit_p): New.
8257 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8258 number_of_iterations_cond.
8260 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8262 PR tree-optimization/26643
8263 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8266 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8268 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8269 (divsi3_i4_int): Likewise.
8271 2006-03-28 Roger Sayle <roger@eyesopen.com>
8273 * expr.c (emit_group_store): Only create a new pseudo reg if the
8274 quantity it needs to hold isn't already a suitable pseudo.
8276 2006-03-28 Jeff Law <law@redhat.com>
8278 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8279 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8281 2006-03-28 Roger Sayle <roger@eyesopen.com>
8283 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8284 the equivalent ~X & Y, and the symmetry related transformations.
8285 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8286 ~X & Y, and symmetry related transforms.
8288 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8290 Revert my 2006-03-27 patches.
8292 2006-03-28 Roger Sayle <roger@eyesopen.com>
8294 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8295 ~(T1)X, when T1 and T2 are integer types of the same precision
8296 and (T2)X isn't an extension.
8298 2006-03-28 Jeff Law <law@redhat.com>
8300 PR tree-optimization/26796
8301 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8302 need EH edge cleanups rather than purging them immediately.
8303 (eliminate_degenerate_phis): Handle queued EH cleanups.
8305 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8307 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8310 2006-03-27 Roger Sayle <roger@eyesopen.com>
8313 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8314 cast BIT_NOT_EXPR operand to the correct type.
8316 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8318 * tree-loop-linear.c: Don't include varray.h.
8319 (gather_interchange_stats, try_interchange_loops,
8320 linear_transform_loops): Use VEC instead of VARRAY.
8321 * lambda-mat.c: Don't include varray.h.
8322 * tree-chrec.c: Same.
8323 * lambda-trans.c: Same.
8324 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8325 VEC instead of VARRAY.
8326 * tree-vectorizer.h: Idem.
8327 * tree-data-ref.c (dump_data_references,
8328 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8329 initialize_data_dependence_relation, finalize_ddr_dependent,
8330 compute_all_dependences, find_data_references_in_loop,
8331 compute_data_dependences_for_loop, analyze_all_data_dependences,
8332 free_dependence_relation, free_dependence_relations,
8333 free_data_refs): Idem.
8334 * tree-data-ref.h (data_reference_p, subscript_p): New.
8335 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8336 VEC instead of VARRAY.
8337 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8338 (find_data_references_in_loop, compute_data_dependences_for_loop,
8339 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8340 dump_data_dependence_relations, free_dependence_relations,
8341 free_data_refs): Adjust declaration.
8342 (lambda_transform_legal_p): Move declaration here...
8343 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8344 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8345 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8346 vect_analyze_data_refs): Use VEC instead of VARRAY.
8347 * lambda.h (lambda_transform_legal_p): ...from here.
8348 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8349 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8350 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8351 tree-chrec.o): Don't depend on VARRAY_H.
8353 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8355 * rtl.def (Copyright): Update date.
8356 (DEPS_LIST): Change type of the second operand to 'int'.
8357 * target.h (Copyright): Update date.
8358 (struct gcc_target.speculate_insn): Change type of the second parameter
8360 * lists.c (Copyright): Update date.
8361 (alloc_DEPS_LIST): Change signature. Update reference to the second
8362 operand of the DEPS_LIST.
8363 (copy_DEPS_LIST_list): Update reference to the second operand of the
8365 * rtl.h (Copyright): Update date.
8366 (alloc_DEPS_LIST): Update signature.
8367 * sched-int.h (Copyright): Update date.
8368 (ds_t): Change typedef to 'int'.
8369 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8371 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8373 * haifa-sched.c (Copyright): Update date.
8374 (try_ready): Change condition to restore non-speculative pattern
8376 (process_insn_depend_be_in_spec): Code to keep probability of the
8377 speculative dependence non-decreasing.
8379 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8381 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8382 shut up the compiler.
8384 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8386 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8387 to use lib prefix for target.
8388 ($(T)libic_invalidate_array_4-200.a): Likewise.
8389 ($(T)libic_invalidate_array_4a.a): Likewise.
8391 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8392 J"orn Rennecke <joern.rennecke@st.com>
8394 * superh.opt: New file.
8395 * sh.c (boardtype, osruntime): Remove.
8396 * superh.h (SUBTARGET_OPTIONS): Remove.
8397 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8399 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8400 arguments with ^ and/or [].
8402 * config.gcc (sh-*-*): Add quoting to account for quirk of
8404 Replace == with = in enable_incomplete_targets test.
8406 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8407 with MASK_LITTLE_ENDIAN.
8409 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8410 * config/sh/sh.opt: Added to some comments.
8411 * config/sh/superh.h: Removed some chaff.
8413 * config/sh/sh.opt: Add m4-[1234]00* options.
8414 * config/sh/sh.c (sh_handle_option): Likewise.
8415 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8416 (ic_invalidate_array_4-100.o): New rule.
8417 ($(T)libic_invalidate_array_4-100.a): Likewise.
8418 (ic_invalidate_array_4-200.o): Likewise.
8419 ($(T)libic_invalidate_array_4-200.a): Likewise.
8420 (ic_invalidate_array_4a.o): Likewise.
8421 ($(T)libic_invalidate_array_4a.a): Likewise.
8422 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8423 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8425 * config/sh/crt1.asm: Merged in profiling code.
8426 * config/sh/superh.h (STARTFILE_SPEC): Override.
8427 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8428 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8429 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8431 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8432 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8433 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8435 * sh.opt (mpretend-cmove): New option.
8436 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8437 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8438 (movsicc): Add TARGET_PRETEND_CMOVE code.
8440 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8442 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8443 s390_class_max_nregs): New function prototypes.
8444 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8445 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8446 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8447 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8449 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8451 * dwarf2out.c (add_location_or_const_value_attribute): Call
8452 tree_add_const_value_attribute if nothing else works.
8453 (reference_to_unused): New.
8454 (rtl_for_decl_init): Use reference_to_unused to decide whether
8455 to output an initializer.
8457 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8460 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8461 peephole removing spe frob_di_df_2.
8463 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8465 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8466 (subscript_dependence_tester_1): Declared.
8467 (print_dir_vectors, print_dist_vectors): New.
8468 (debug_data_dependence_relation): New.
8469 (dump_data_dependence_relation): Print more details.
8470 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8471 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8472 (save_dist_v, save_dir_v, add_outer_distances,
8473 build_classic_dist_vector_1): New.
8474 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8475 Don't test for lambda_vector_lexico_pos.
8476 (same_access_functions, add_multivariate_self_dist,
8477 add_other_self_distances, dir_from_dist): New.
8478 (build_classic_dir_vector): Replace implementation almost identical to
8479 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8481 (subscript_dependence_tester_1): New.
8482 (subscript_dependence_tester): Handle the lexicographically negative
8483 distance vectors by recomputing the dependence relation.
8484 (compute_affine_dependence): Remove parameter loop_nest_depth.
8485 (compute_self_dependence): Don't call compute_subscript_distance.
8486 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8487 Add a parameter for the loop_nest.
8488 (find_loop_nest_1, find_loop_nest): New.
8489 (compute_data_dependences_for_loop): Compute the loop nest, and give
8490 up if the nest is not well formed.
8491 * tree-data-ref.h (loop_p): New.
8492 (struct data_dependence_relation): Replace size_vect field with
8493 loop_nest, a vec of loops.
8494 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8495 (DDR_LOOP_NEST): New.
8496 (print_dir_vectors, print_dist_vectors,
8497 debug_data_dependence_relation): Declared.
8498 (index_in_loop_nest): New.
8499 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8500 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8503 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8505 * simplify-rtx.c (simplify_relational_operation): Call
8506 simplify_relational_operation_1 even if mode is VOIDmode.
8508 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8510 PR tree-optimization/26804
8511 * tree.h (DECL_CALL_CLOBBERED): New macro.
8512 (tree_decl_common): Add call_clobbered_flag.
8513 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8514 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8515 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8516 (mark_non_addressable): Ditto.
8517 * tree-ssa.c (verify_call_clobbered): New function.
8518 (verify_alias_info): Use it.
8519 * tree-pass.h (pass_reset_cc_flags): New prototype.
8520 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8521 (reset_cc_flags): New function.
8522 * passes.c (init_optimization_passes): Call reset_cc_flags after
8523 initializing referenced_vars.
8525 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8526 Roger Sayle <roger@eyesopen.com>
8529 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8530 to 1.0 for non-real operands. Implement A / A optimization for
8533 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8535 * config/i386/i386.c (size_cost): Correct the comment for
8536 cost of storing fp registers.
8537 (i386_cost): Likewise.
8538 (i486_cost): Likewise.
8539 (pentium_cost): Likewise.
8540 (pentiumpro_cost): Likewise.
8541 (k6_cost): Likewise.
8542 (athlon_cost): Likewise.
8543 (k8_cost): Likewise.
8544 (pentium4_cost): Likewise.
8545 (nocona_cost): Likewise.
8546 (generic64_cost): Likewise.
8547 (generic32_cost): Likewise.
8549 2006-03-24 Denis Chertykov <denisc@overta.ru>
8551 * config/avr/avr-protos.h (extra_constraint): Delete.
8552 (extra_constraint_Q): New declaration.
8553 * config/avr/constraints.md: New file.
8554 * config/avr/avr.md: Include it.
8555 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8556 (TMP_REGNO, ZERO_REGNO): Likewise.
8557 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8558 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8559 (extra_constraint): Delete.
8560 (extra_constraint_Q): Test for memory constraint 'Q'.
8561 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8562 (REG_CLASS_FROM_LETTER): Delete.
8563 (CONST_OK_FOR_LETTER_P): Delete.
8564 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8565 (EXTRA_CONSTRAINT): Delete.
8566 (TMP_REGNO): Delete.
8567 (ZERO_REGNO): Delete.
8569 2006-03-24 Jeff Law <law@redhat.com>
8571 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8572 directly. Call mark_new_vars_to_rename slightly earlier.
8574 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8576 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8578 (gen_compile_unit_die): Use new language types for Objective-C and
8580 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8581 DW_LANG_C_plus_plus.
8584 * config/t-darwin (crt3.o): Work around bug 26840.
8585 * config/darwin-crt3.c: Rewrite.
8586 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8588 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8590 * doc/invoke.texi: Document -femit-class-debug-always
8591 * common.opt: Add -femit-class-debug-always.
8593 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8595 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8596 index and base register.
8597 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8598 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8599 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8600 REGNO_OK_FOR_INDEX_P.
8601 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8603 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8604 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8605 REG_OK_FOR_BASE_P): Definitions removed.
8607 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8610 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8611 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8612 set yet or weren't marked as local yet.
8614 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8616 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8619 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8621 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8622 (rs6000_legitimate_small_data_p): Delete.
8623 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8624 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8625 and make static. Add forward declaration. Update uses.
8626 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8627 of offsettable_memref_p.
8628 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8629 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8631 2006-03-24 Jeff Law <law@redhat.com>
8633 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8634 around bug in immediate-use iterator.
8636 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8639 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8640 or __LITTLE_ENDIAN__.
8642 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8644 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8645 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8646 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8647 * config/sh/sh.opt (mdiv=): Amend description.
8648 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8649 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8650 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8651 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8652 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8653 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8654 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8655 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8656 TARGET_DIVIDE_CALL_FP.
8658 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8660 * haifa-sched.c (choose_ready): Fix type of the local variable.
8661 Move local variables. Add comment.
8662 (check_reg_live): Change signature. Make callable from debugger.
8663 * sched-int.h (check_reg_live): Update signature.
8664 * sched-ebb.c (check_reg_live): Update parameters.
8665 * sched-rgn.c (check_reg_live): Ditto.
8666 (region_head_or_leaf_p): Check pointer before dereferencing.
8667 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8668 before reload on optimization levels below 1.
8670 2006-03-23 Richard Henderson <rth@redhat.com>
8672 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8676 * config/alpha/predicates.md (local_symbolic_operand): Reject
8679 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8682 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8683 expressions which have overflowed constants.
8685 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8687 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8689 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8691 * cfgloopmanip.c (create_loop_notes): Removed.
8692 * final.c (final_scan_insn): Do not handle loop notes.
8693 * jump.c (squeeze_notes): Ditto.
8694 * cfglayout.c (skip_insns_after_block,
8695 duplicate_insn_chain): Ditto.
8696 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8698 * cfgloop.h (create_loop_notes): Declaration removed.
8700 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8702 * varasm.c (output_constant_pool): Restore fnname and fndecl
8704 (assemble_start_function): Adjust call accordingly.
8705 (assemble_end_function): Likewise.
8707 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8710 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8713 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8715 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8718 * system.h (ICE_EXIT_CODE): New macro.
8719 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8720 (diagnostic_action_after_output): Likewise.
8721 * gcc.c (fatal_ice): New function.
8722 (execute): Use it instead of fatal.
8723 (fancy_abort): Likewise.
8724 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8726 2006-03-22 Jeff Law <law@redhat.com>
8728 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8729 iv_analyze_result returning false.
8731 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8733 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8735 2006-03-22 Richard Henderson <rth@redhat.com>
8738 * except.c (duplicate_eh_regions_0): New.
8739 (duplicate_eh_region_1): Duplicate the children of the node as
8740 well as the node itself. Link them up properly.
8741 (duplicate_eh_region_2): Merge into ...
8742 (duplicate_eh_regions): ... here. Take copy_region argument, and
8743 copy only a sub-tree if asked. Simplify copying and fixup.
8744 (eh_region_outer_p): New.
8745 * except.h (duplicate_eh_regions): Update decl.
8746 (eh_region_outer_p): Declare.
8747 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8748 (lower_omp_master): Likewise.
8749 (lower_omp_ordered): Likewise.
8750 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8751 (move_stmt_r): Use it to remap labels. Handle recursion vs
8752 remap_decls_p properly.
8753 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8754 (find_outermost_region_in_block): New.
8755 (new_label_mapper): New.
8756 (move_sese_region_to_fn): Copy eh information to the new function
8758 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8760 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8763 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8765 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8766 into shared libraries.
8768 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8770 * doc/md.texi: Refer to i386/constraints.md instead of
8772 * config/i386/constraints.md: New file, extracted from...
8773 * config/i386/predicates.md: ...here.
8774 * config/i386/i386.md: Include constraints.md.
8776 2006-03-21 Jason Merrill <jason@redhat.com>
8778 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8781 * expr.c (init_block_move_fn): Force default visibility.
8782 (init_block_clear_fn): Likewise.
8783 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8784 * targhooks.c (default_external_stack_protect_fail): Likewise.
8786 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8788 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8789 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8790 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8791 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8792 (loadgp): Use mips_current_loadgp_style.
8793 (loadgp_noshared): New pattern.
8794 (sibcall_internal): Use MIPS_CALL.
8795 (sibcall_value_internal): Likewise.
8796 (sibcall_value_multiple_internal): Likewise.
8797 (call_internal): Likewise.
8798 (call_value_internal): Likewise.
8799 (call_value_multiple_internal): Likewise.
8800 (call_split): Use MIPS_CALL and add an 'S' constraint.
8801 (call_value_split): Likewise.
8802 (call_value_multiple_split): Likewise.
8803 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8804 (-mshared): New option.
8805 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8806 (mips_current_loadgp_style): Declare.
8807 * config/mips/mips.c (mips_classify_symbol): Avoid using
8808 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8809 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8810 TARGET_ABSOLUTE_ABICALLS.
8811 (override_options): Adjust comments. Improve the warning that is
8812 issued when -mabicalls and -G are used together.
8813 (mips_file_start): Remove comment.
8814 (mips_current_loadgp_style): New function.
8815 (mips_gnu_local_gp): New variable.
8816 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8818 (mips_output_function_prologue): Use mips_current_laodgp_style.
8819 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8820 the cprestore instruction.
8821 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8822 live for TARGET_ABSOLUTE_ABICALLS.
8823 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8824 (ASM_SPEC): Pass down -mshared and -mno-shared.
8825 (MIPS_CALL): New macro.
8826 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8828 * doc/invoke.texi (-mabicalls): Update documentation.
8829 (-mshared): Document.
8831 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8833 * config/ia64/unwind-hpux.c: New file.
8834 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8836 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8839 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8841 2006-03-21 Jeff Law <law@redhat.com>
8843 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8844 type conversions of a VR_VARYING source to a wider type.
8846 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8848 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8849 tm_file on Solaris 10 and later.
8850 (sparc64-*-solaris2*): Likewise.
8851 (sparc-*-solaris2*): Likewise.
8852 * config/sol26.h: Rename to config/sol2-6.h.
8853 * config/sol2-10.h: New file.
8855 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8858 * tree-ssa-pre.c (create_component_ref_by_pieces):
8861 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8864 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8865 return it immediately.
8867 2006-03-21 Michael Matz <matz@suse.de>
8869 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8871 (remove_arc, add_arc): Update num_out_arcs member.
8872 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8874 (cache_presence): New function.
8875 (compare_states_for_equiv): New function.
8876 (state_is_differed): Don't take number of outargs, adjust callers.
8877 Use new invariant for speeding up.
8878 (init_equiv_class): Create initial classes based on sorted
8880 (partition_equiv_class): Don't track out_arcs_num.
8881 (evaluate_equiv_classes): Call cache_presence on all states and
8884 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8886 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8887 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8888 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8889 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8891 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8892 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8893 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8894 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8895 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8897 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8898 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8899 (REGNO_REG_CLASS): ARGP is in PREGS.
8900 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8902 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8903 to deal with those addresses.
8904 * addresses.h: New file.
8905 * caller-save.c: Include "addresses.h".
8906 (init_caller_save): Use new base_reg_class function.
8907 * rtl-factoring.c: Include "addresses.h".
8908 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8909 * recog.c: Include "addresses.h".
8910 (preprocess_constraints): Use new base_reg_class function.
8911 * regrename.c: Include "addresses.h".
8912 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8913 functions. Keep track of a new var INDEX_CODE to compute valid
8915 (replace_oldest_value_addr): Likewise.
8916 (replace_oldest_value_mem): Use base_reg_class.
8917 * reload.c: Include "addresses.h".
8918 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8919 (find_reloads): Use new base_reg_class function.
8920 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8921 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8922 all callers and prototype changed.
8923 * reload1.c: Include "addresses.h".
8924 (maybe_fix_stack_asms): Use base_reg_class.
8925 * regclass.c: Include "addresses.h".
8926 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8927 (init_reg_autoinc): Use new base_reg_class function.
8928 (record_reg_classes): Likewise.
8929 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8930 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8931 Use new args to compute necessary class.
8933 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8934 regrename.o, rtl-factoring.o): Update dependencies.
8935 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8936 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8937 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8938 REG_OK_FOR_INDEX_P): Delete documentation.
8940 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8942 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8943 from V7 to V9 for Solaris 7 and above.
8945 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8947 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8948 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8949 argument pointers may not alias any other storage.
8950 * common.opt: Define option -fargument-noalias-anything.
8951 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8952 alias semantics is specified by flag_argument_noalias > 2.
8954 2006-03-20 Jeff Law <law@redhat.com>
8956 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8957 (pass_phi_only_cprop): Declare.
8958 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8960 * tree-ssa-dom.c (degenerate_phi_result): New function.
8961 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8962 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8963 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8964 (eliminate_degenerate_phis): Likewise.
8965 (pass_phi_only_cprop): New pass descriptor.
8966 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8967 support code. Callers updated.
8968 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8969 (store_copy_prop): Likewise.
8970 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8972 2006-03-20 Jason Merrill <jason@redhat.com>
8975 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8976 (push_visibility, pop_visibility): Likewise.
8977 * c-pragma.h: Declare them.
8979 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8981 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8983 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8984 parameter and use get_ebb_head_tail.
8985 (sh_md_init_global): Adjust uses of find_regmode_weight.
8987 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8989 * function.h (struct function) <x_tail_recursion_reentry>:
8990 Rename to x_stack_check_probe_note.
8991 (tail_recursion_reentry): Rename to stack_check_probe_note.
8992 * function.c: Replace tail_recursion_reentry with
8993 stack_check_probe_note everywhere.
8994 (expand_function_start): Only emit a note for
8995 stack_check_probe_note with -fstack-protect.
8996 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8998 * emit-rtl.c (remove_unnecessary_notes): Remove.
8999 (pass_remove_unnecessary_notes): Remove.
9000 * rtl.h (remove_unnecessary_notes): Remove prototype.
9001 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9002 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9003 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9005 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9008 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9009 (valid_in_set): Handle ARRAY_REF.
9010 Change "if min_variant or VH" to asserts.
9011 (create_component_ref_by_pieces): Handle ARRAY_REF.
9012 (create_expression_by_pieces): Likewise.
9013 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9015 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9017 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9018 is operand of switch, not str[0].
9020 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9022 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9023 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9025 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9027 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9028 end of insn_extra_address_constraint declaration.
9030 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9032 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9033 (no-sum-in-toc): Same.
9034 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9036 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9037 NO_FP_IN_TOC for -fPIC instead of mask.
9039 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9040 (BOOT_LDFLAGS): Delete.
9042 * config/rs6000/t-aix52: Same.
9044 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9045 (stmsi[345678]_power): New.
9047 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9049 * config/ia64/ia64.opt: Add empty line to end of file.
9051 2006-03-17 Richard Guenther <rguenther@suse.de>
9054 * builtins.c (get_pointer_alignment): For component style references
9055 adjust alignment to the component type alignment. Make sure
9056 to adjust alignment for component access of constants.
9058 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9060 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9063 2006-03-17 Paul Brook <paul@codesourcery.com>
9065 * doc/install.texi: Docuemnt --with-mode.
9066 * config.gcc: Add --with-mode for arm*-*-*.
9067 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9069 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9071 * sh.c (max_labelno_before_reorg): New variable.
9072 (sh_reorg): Initialize it.
9073 (find_barrier): Check max_labelno_before_reorg before using
9074 label_to_alignment. Take length of explicit alignment insns
9075 into account. When seeing a UNSPECV_CONST_END, return it.
9077 * sh.c (fixup_mova): Set mode of affected label to QImode.
9078 (untangle_mova): New function.
9079 (find_barrier): Use it. Check mode of label before decrementing
9081 (sh_reorg): Likewise.
9082 Set mode of all insns back to VOIDmode.
9084 * sh.c (MOVA_LABELREF): New macro.
9085 (mova_p, fixup_mova, sh_reorg): Use it.
9086 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9087 ADDR_DIFF_VEC matches mova.
9089 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9091 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9092 with ATTRIBUTE_UNUSED.
9094 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9096 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9097 pointer, instead of assuming it is possible to derive the
9098 correct args size from a call insn.
9100 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9102 * rtl.h (CONST_INT_P): Define.
9103 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9104 instead of GET_CODE(x) == CONST_INT.
9105 (vax_rtx_costs): Likewise.
9106 (vax_output_int_move): Likewise.
9107 (vax_output_int_add): Likewise.
9108 (legitimate_constant_address_p): Likewise.
9109 (index_term_p): Likewise.
9110 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9111 * config/vax/vax.md (and<mode>3): Likewise.
9112 (ashrsi3): Likewise.
9114 (movstricthi): Likewise.
9115 (movstrictqi): Likewise.
9116 (rotrsi3): Likewise.
9117 (five unnamed insns): Likewise.
9119 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9121 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9122 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9123 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9124 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9125 Pass to ASM_OUTPUT_DWARF_OFFSET.
9126 * dwarf2out.c (debug_frame_section): New.
9127 (output_call_frame_info): Use debug_frame_section. Pass it to
9128 dw2_asm_output_offset.
9129 (output_die): Pass appropriate section to dw2_asm_output_offset.
9130 (output_compilation_unit_header): Likewise.
9131 (output_pubnames): Likewise.
9132 (output_aranges): Likewise.
9133 (enum dw_val_class): Break dw_val_class_lbl_offset into
9134 dw_val_class_lineptr and dw_val_class_macptr.
9135 (add_AT_lbl_offset): Delete.
9136 (add_AT_lineptr): New.
9137 (add_AT_macptr): New.
9138 (AT_lbl): Expect a lineptr or macptr.
9139 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9140 (attr_checksum): Likewise.
9141 (same_dw_val_p): Likewise.
9142 (size_of_die): Likewise.
9143 (value_format): Likewise.
9144 (output_die): Likewise.
9145 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9147 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9148 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9149 * config/darwin-protos.h (darwin_file_start): New.
9150 (darwin_asm_output_dwarf_offset): New.
9151 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9152 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9154 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9155 if not EH section; simplify.
9156 (darwin_file_start): New.
9157 (darwin_asm_output_dwarf_offset): New.
9158 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9160 (DEBUG_INFO_SECTION): Likewise.
9161 (DEBUG_ABBREV_SECTION): Likewise.
9162 (DEBUG_ARANGES_SECTION): Likewise.
9163 (DEBUG_MACINFO_SECTION): Likewise.
9164 (DEBUG_LINE_SECTION): Likewise.
9165 (DEBUG_LOC_SECTION): Likewise.
9166 (DEBUG_PUBNAMES_SECTION): Likewise.
9167 (DEBUG_STR_SECTION): Likewise.
9168 (DEBUG_RANGES_SECTION): Likewise.
9169 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9170 (ASM_OUTPUT_DWARF_OFFSET): New.
9172 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9174 * config.gcc (tm_defines): Always add to previous value rather
9177 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9179 * config/mips/predicates.md (splittable_const_int_operand): New,
9180 split from move_operand.
9181 (splittable_symbolic_operand): New.
9182 (move_operand): Add commentary. Use splittable_const_int_operand.
9183 Inline mips_atomic_symbolic_constant_p.
9184 * config/mips/mips.md: Add combine splitters for handling moves
9185 of splittable_const_int_operands and splittable_symbolic_operands.
9186 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9187 (mips_split_symbol): Declare.
9188 (mips_move_integer): Declare.
9189 * config/mips/mips.c (mips_split_p): Make global.
9190 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9191 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9192 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9193 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9194 (mips_offset_within_object_p): Handle block symbols.
9195 (mips_atomic_symbolic_constant_p): Delete.
9196 (mips_cannot_force_const_mem): Return false for constants that
9197 mips_legitimize_move can handle.
9198 (mips_use_blocks_for_constant_p): New function.
9199 (mips_split_symbol): Make global.
9200 (mips_move_integer): Likewise. Add a temporary register argument.
9201 (mips_legitimize_const_move): Use splittable_const_int_operand and
9202 splittable_symbolic_operand.
9203 (mips_use_anchors_for_symbol_p): New function.
9204 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9205 (mips_split_p): Declare.
9207 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9209 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9210 (mips*-*-linux*): Likewise.
9212 2006-03-16 Roger Sayle <roger@eyesopen.com>
9213 Daniel Speyer <dspeyer@wam.umd.edu>
9216 * tree-dump.c (dump_real): New function.
9217 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9218 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9219 (tree-dump.o): Add $(REAL_H) to the dependencies.
9221 2006-03-16 Roger Sayle <roger@eyesopen.com>
9224 * real.c (real_from_string): If the mantissa is zero, don't bother
9225 parsing the exponent as the result should always be zero.
9227 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9229 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9231 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9233 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9234 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9235 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9236 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9237 ia64_sched_finish_global): New static functions to implement
9238 hooks from gcc_target.sched.
9239 (spec_check_no, max_uid, pending_data_specs): New static variables.
9240 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9241 ia64_spec_check_src_p): New static functions.
9242 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9243 (TARGET_SCHED_ADJUST_COST): Removed.
9244 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9245 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9246 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9247 TARGET_SCHED_GEN_CHECK,
9248 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9249 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9250 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9251 Fixed to handle speculation checks.
9252 (rtx_needs_barrier): Fixed to handle speculative loads and
9254 (ia64_variable_issue): Added code to count speculative loads and their
9256 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9258 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9260 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9262 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9263 (ia64_reorg): Reset stops_p to NULL after it is freed.
9264 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9265 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9266 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9268 (data_speculative, control_speculative, check_load): New attributes.
9269 (mov<mode>_advanced, mov<mode>_speculative,
9270 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9271 zero_extend<mode>di2_speculative,
9272 zero_extend<mode>di2_speculative_advanced): New patterns for
9273 data and control speculative loads.
9274 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9276 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9277 New pattern for data and control speculation checks.
9278 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9279 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9280 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9281 Auxiliary definitions for the patterns.
9282 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9283 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9285 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9287 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9288 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9289 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9290 New resource constraints.
9291 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9293 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9294 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9295 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9296 msched-in-control-spec, msched-ldc, msched-control-ldc,
9297 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9298 msched-prefer-non-control-spec-insns,
9299 msched-count-spec-in-critical-path): New flags to tune speculative
9301 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9302 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9303 msched-in-control-spec, msched-ldc, msched-control-ldc,
9304 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9305 msched-prefer-non-control-spec-insns,
9306 msched-count-spec-in-critical-path): Document new flags.
9308 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9310 * target.h (struct spec_info_def): New opaque declaration.
9311 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9312 speculate_insn, needs_block_p, gen_check,
9313 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9314 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9315 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9316 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9317 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9318 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9320 (TARGET_SCHED): Use new macros.
9321 * rtl.h (copy_DEPS_LIST_list): New prototype.
9322 * sched-int.h (struct sched_info): Change signature of new_ready field,
9323 adjust all initializations. New fields: add_remove_insn,
9324 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9325 region_head_or_leaf_p.
9326 (struct spec_info_def): New structure declaration.
9327 (spec_info_t): New typedef.
9328 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9329 recovery_block, orig_pat.
9330 (glat_start, glat_end): New variables declaraions.
9331 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9333 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9334 DETACH_LIFE_INFO, USE_GLAT.
9335 (enum SPEC_SCHED_FLAGS): New enumeration.
9336 (NOTE_NOTE_BB_P): New macro.
9337 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9338 attach_life_info, debug_spec_status, check_reg_live): New functions.
9339 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9340 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9342 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9343 * ddg.c (get_block_head_tail): Adjust all uses.
9344 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9345 (sms_sched_info): Initialize new fields.
9346 (contributes_to_priority): Removed.
9347 * haifa-sched.c (params.h): New include.
9348 (get_block_head_tail): Adjust all uses.
9349 (ISSUE_POINTS): New macro.
9350 (glat_start, glat_end): New global variables.
9351 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9352 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9353 old_last_basic_block, before_recovery, current_sched_info_var,
9354 rgn_n_insns, luid): New static variables.
9355 (insn_cost1): New function. Move logic from insn_cost to here.
9356 (find_insn_reg_weight1): New function. Move logic from
9357 find_insn_reg_weight to here.
9358 (reemit_notes, move_insn, max_issue): Change signature.
9359 (move_insn1): Removed.
9360 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9361 extend_bb): New static functions to support extension of scheduler's
9363 (generate_recovery_code, process_insn_depend_be_in_spec,
9364 begin_speculative_block, add_to_speculative_block,
9365 init_before_recovery, create_recovery_block, create_check_block_twin,
9366 fix_recovery_deps): New static functions to support
9367 generation of recovery code.
9368 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9369 restore_bb_notes, move_block_after_check, move_succs): New static
9370 functions to support ebb scheduling.
9371 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9372 functions to support handling of register live information.
9373 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9374 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9375 add_jump_dependencies): New static functions.
9376 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9377 consistancy checking.
9378 (debug_spec_status): New function to call from debugger.
9379 (priority): Added code to handle speculation checks.
9380 (rank_for_schedule): Added code to distinguish speculative instructions.
9381 (schedule_insn): Added code to handle speculation checks.
9382 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9383 Fixed to handle ebbs.
9384 (move_insn): Added code to handle ebb scheduling.
9385 (max_issue): Added code to use ISSUE_POINTS of instructions.
9386 (choose_ready): Added code to choose between speculative and
9387 non-speculative instructions.
9388 (schedule_block): Added code to handle ebb scheduling and scheduling of
9389 speculative instructions.
9390 (sched_init): Initialize new variables.
9391 (sched_finish): Free new variables. Print statistics.
9392 (try_ready): Added code to handle speculative instructions.
9393 * lists.c (copy_DEPS_LIST_list): New function.
9394 * sched-deps.c (extend_dependency_caches): New function. Move logic
9395 from create_dependency_caches to here.
9396 (get_dep_weak, ds_merge): Make global.
9397 * genattr.c (main): Code to output prototype for
9398 dfa_clear_single_insn_cache.
9399 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9400 (output_dfa_clean_insn_cache_func): Code to output
9401 dfa_clear_single_insn_cache function.
9402 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9404 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9406 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9407 New static variables.
9408 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9409 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9411 (ebb_sched_info): Initialize new fields.
9412 (get_block_head_tail): Adjust all uses.
9413 (compute_jump_reg_dependencies): Fixed to use glat_start.
9414 (schedule_ebb): Code to remove unreachable last block.
9415 (schedule_ebbs): Added code to update register live information.
9416 * sched-rgn.c (region_sched_info): Initialize new fields.
9417 (get_block_head_tail): Adjust all uses.
9418 (last_was_jump): Removed. Adjust users.
9419 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9420 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9421 Implement new hooks.
9422 (check_dead_notes1): New static function.
9423 (struct region): New fields: dont_calc_deps, has_real_ebb.
9424 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9425 (BB_TO_BLOCK): Fixed to handle EBBs.
9426 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9427 (ebb_head): New static variable.
9428 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9429 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9431 (compute_dom_prob_ps): New assertion.
9432 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9433 global_live_at_start.
9434 (init_ready_list): New assertions.
9435 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9436 (new_ready): Add support for BEGIN_CONTROL speculation.
9437 (schedule_insns): Fixed code that updates register live information
9439 (schedule_region): Fixed to handle EBBs.
9440 (init_regions): Use extend_regions and check_dead_notes1.
9441 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9442 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9443 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9444 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9445 TARGET_SCHED_GEN_CHECK,
9446 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9447 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9448 * doc/invoke.texi (max-sched-insn-conflict-delay,
9449 sched-spec-prob-cutoff): Document.
9451 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9453 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9454 inter_tick, queue_index.
9455 (struct sched_info): Change signature of init_ready_list field.
9456 Adjust all initializations.
9457 (RESOLVED_DEPS): New access macro.
9458 (ready_add): Remove prototype.
9459 (try_ready): Add prototype.
9460 * sched-rgn.c (init_ready_list): Use try_ready.
9461 (schedule_region): Initialize
9462 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9463 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9464 (init_ready_list): Use try_ready.
9465 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9466 * lists.c (remove_list_elem): Remove `static'.
9467 (remove_free_INSN_LIST_elem): New function.
9468 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9469 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9470 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9472 (readyp): New variable.
9473 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9474 change_queue_index, resolve_dep): New static functions.
9475 (try_ready): New function. Adjust callers in sched-rgn.c and
9476 sched-ebb.c to use it instead of ready_add.
9477 (clock_var): Move at the begining of file.
9478 (rank_for_schedule): Fix typo.
9479 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9480 (ready_lastpos): Enforce assertion.
9481 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9483 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9484 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9485 (queue_to_ready): Use free_INSN_LIST_list.
9486 (early_queue_to_ready): Fix typo.
9487 (schedule_block): Init readyp. Move init_ready_list call after the
9488 initialization of clock_var. Fix error in rejecting insn by
9489 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9490 that previously corrected INSN_TICKs. Add code for handling
9492 (set_priorities): Fix typo.
9493 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9494 Clarify comment and code that keeps current_sched_info->next_tail
9497 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9499 * sched-rgn.c (extend_rgns): New static function.
9500 (find_rgns): Use it.
9501 (gather_region_statistics, print_region_statistics): New static
9503 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9504 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9506 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9507 Andrey Belevantsev <abel@ispras.ru>
9509 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9510 * lists.c (unused_deps_list): New variable.
9511 (free_list): Add assertions to verify the proper distinguishing
9512 between INSN_LISTs and DEPS_LISTs.
9513 (find_list_elem, remove_list_elem, remove_list_node): New static
9515 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9516 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9517 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9518 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9520 (free_INSN_LIST_node): Likewise.
9521 * modulo-sched.c (current_sched_info): Initialize flags field.
9522 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9523 * rtl.def (DEPS_LIST): Define.
9524 * rtl.h: Declare new functions from lists.c.
9525 * sched-deps.c (spec_dependency_cache): New static variable.
9526 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9527 (add_dependence): Change return type to void. Move the logic to ...
9528 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9529 (delete_all_dependences): Add comment about forward_dependency_cache.
9530 Handle spec_dependency_cache. Handle DEPS_LISTs.
9531 (fixup_sched_groups): Clarify the change of priority of output
9532 and anti dependencies.
9533 (sched_analyze_2): Adjust add_dependence calls to create data
9534 speculative dependence.
9535 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9536 Adjust all callers. Handle DEPS_LISTS.
9537 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9538 presence of speculation.
9539 (init_dependency_caches, free_dependency_caches):
9540 Handle spec_dependency_cache.
9541 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9542 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9543 New static functions.
9544 (add_or_update_back_dep, add_or_update_back_forw_dep,
9545 add_back_forw_dep, delete_back_forw_dep): New functions.
9546 * sched-int.h (ds_t, dw_t): New typedefs.
9547 (struct sched_info): Add new field flags.
9548 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9549 Prototype new sched-deps.c functions.
9550 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9551 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9552 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9553 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9554 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9555 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9557 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9559 * sched-rgn.c (current_sched_info): Initialize flags field.
9560 (schedule_insns): Initialize current_sched_info before the sched_init
9562 * sched-ebb.c (current_sched_info): Initialize flags field.
9563 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9564 Call add_or_update_back_dep instead of add_dependence.
9565 Create control speculative dependencies.
9566 (schedule_insns): Initialize current_sched_info before the sched_init
9569 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9571 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9573 (sh_fallback_frame_state): Likewise.
9575 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9577 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9578 Do switch on default_use_cxa_atexit.
9579 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9580 * config/darwin-crt3.o: New.
9581 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9582 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9583 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9585 * config/rs6000/t-darwin: Move crt2.o building to here.
9586 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9587 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9590 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9592 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9593 from '! xxx' to '!xxx' for coding-style conformance.
9594 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9595 (EXTRA_CONSTRAINT): Likewise.
9596 * config/vax/vax.md (four unnamed insns): Likewise.
9598 2006-03-15 Paul Brook <paul@codesourcery.com>
9600 * config/arm/arm.c (minipool_pad): New.
9601 (add_minipool_forward_ref): Include pool alignment padding in address
9603 (push_minipool_fix): Set minipool_pad.
9604 (minipool_pad): Ditto.
9606 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9608 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9609 instead of GET_CODE() == MEM and REG_P() instead of
9611 (print_operand_address): Likewise.
9612 (vax_address_cost): Likewise.
9613 (vax_rtx_costs): Likewise.
9614 (vax_notice_update_cc): Likewise.
9615 (vax_output_int_add): Likewise.
9616 (INDEX_REGISTER_P): Likewise.
9617 (BASE_REGISTER_P): Likewise.
9618 (nonindexed_address_p): Likewise.
9619 (vax_mode_dependent_address_p): Likewise.
9620 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9621 (PRINT_OPERAND): Likewise.
9622 * config/vax/vax.md (ashlsi3): Likewise.
9623 (ashlsi3): Likewise.
9624 (some more unnamed insns): Likewise.
9626 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9628 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9629 iterator-style macro.
9630 (mark_control_dependent_edges_necessary): Update the use of
9631 EXECUTE_IF_CONTROL_DEPENDENT.
9633 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9635 * config/sh/predicates.md (cache_address_operand): Special.
9636 (ua_address_operand): Likewise.
9638 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9640 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9642 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9644 2006-03-15 Andreas Schwab <schwab@suse.de>
9646 * gensupport.c (identify_predicable_attribute): Don't free p_false
9647 when it is still in use.
9649 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9651 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9652 the default setting here.
9654 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9656 * tree-pass.h (pass_cfg): Remove.
9657 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9658 * passes.c (pass_cfg): Don't run it.
9660 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9662 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9663 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9665 (stack_regs_mentioned): Update the uses of
9666 stack_regs_mentioned_data. Don't access the array beyond its
9668 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9669 Don't include gt-reg-stack.h.
9671 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9672 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9674 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9677 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9680 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9682 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9684 2006-03-14 Richard Guenther <rguenther@suse.de>
9686 PR tree-optimization/26672
9687 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9690 2006-03-14 Richard Guenther <rguenther@suse.de>
9692 PR tree-optimization/26667
9693 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9694 node for the callees. Always allow inlining if it will shrink
9697 2006-03-14 Richard Guenther <rguenther@suse.de>
9700 * builtins.c (get_pointer_alignment): Prefer alignment
9701 information from decls over that from types.
9703 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9706 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9708 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9710 * config/rs6000/rs6000.opt (mdlmzb): New option.
9711 (msched-prolog, msched-epilog): Use Var not Mask.
9712 * doc/invoke.texi (-mdlmzb): Document.
9713 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9715 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9716 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9718 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9720 PR rtl-optimization/25739
9721 * bt-load.c (augment_live_range): Free tos pointer.
9723 * gensupport.c (identify_predicable_attribute): Free
9725 * gcov.c (create_file_names): Free name pointer.
9727 2006-03-13 Roger Sayle <roger@eyesopen.com>
9730 * stmt.c (emit_case_nodes): Handle the case where the index is a
9731 CONST_INT, where the comparison mode is specified by the index type.
9733 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9735 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9738 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9740 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9741 (*branch_fp_inverted): Likewise.
9743 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9746 * omp-low.c (expand_omp_for_generic): Mark istart0
9747 and iend0 as addressable.
9749 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9751 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9753 2006-03-13 Jeff Law <law@redhat.com>
9755 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9756 virtual operands are interesting.
9757 (vrp_visit_stmt): Corresponding changes.
9759 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9761 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9763 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9764 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9765 * config/bfin/crti.S: Use it instead of __PIC__.
9766 * config/bfin/crtn.S: Likewise.
9768 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9769 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9771 Lose 'G' modifier for call operand.
9772 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9773 recognize 'G' modifier.
9775 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9778 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9779 * stmt.c (expand_case): Likewise.
9781 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9783 PR rtl-optimization/26254
9784 * loop-invariant.c (seq_insns_valid_p): New function.
9785 (move_invariant_reg): Only emit new code if it is valid.
9787 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9789 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9791 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9792 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9793 (commit_one_edge_insertion): Do not look for loop notes.
9795 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9797 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9798 flag_test_coverage out of loop.
9800 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9802 * final.c (shorten_branches): Remove outdated comment, and turn
9803 the if branch that guards it to continue.
9805 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9807 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9808 * cfgloop.h (struct loop): Remove unused fields.
9810 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9812 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9813 (-dL, -fdump-rtl-loop2): Update the dump file names
9815 * doc/invoke.texi: Update dump file names.
9817 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9819 * predict.c (estimate_probability): Remove.
9820 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9821 * basic-block.h (estimate_probability): Remove prototype.
9822 * passes.c (finish_optimization_passes): Dump branch prediction or
9823 profiling heuristics to the .profile tree dump.
9824 (init_optimization_passes): Unqueue pass_branch_prob.
9826 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9828 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9830 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9831 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9833 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9835 * function.h (frame_offset_overflow): Declare.
9836 * function.c (frame_offset_overflow): New function.
9837 (assign_stack_local_1): Call it to detect that the offset overflows.
9838 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9840 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9842 * config/sh/sh.c: Include alloc-pool.h.
9843 (label_ref_list_pool): New alloc pool.
9844 (label_ref_list_t): New type for lists of labels.
9845 (struct pool_node): Make wend a label_ref_list_t.
9846 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9848 (dump_table): Likewise.
9849 (sh_reorg): Set up the alloc pool before using add_constant and
9850 dump_table, and destroy it when finishing.
9852 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9854 * config/mips/mips.c: Remove redundant comment.
9856 2006-03-10 Jason Merrill <jason@redhat.com>
9859 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9860 the target was declared 'register'.
9862 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9864 * genpreds.c (write_insn_constraint_len): Change definition of
9865 insn_constraint_len to return size_t to match the declaration.
9867 2006-03-10 DJ Delorie <dj@redhat.com>
9869 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9871 (m32c_expand_insv): Fix test for an AND mask.
9873 2006-03-10 Richard Guenther <rguenther@suse.de>
9876 * builtins.c (get_pointer_alignment): Handle component
9877 references for field alignment.
9879 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9881 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9882 when building with libgloss.
9883 (sh*elf): Implement --without-fp option.
9884 (sh64-superh-linux*): Don't multilib.
9886 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9888 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9890 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9892 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9893 Set it when one of the replacement functions returned true.
9894 Return TODO_cleanup_cfg if cfgchanged is true.
9895 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9897 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9899 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9900 instead of gen_lowpart.
9902 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9904 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9906 (mips_output_order_conditional_branch): Declare.
9907 * config/mips/mips.h (MIPS_BRANCH): New macro.
9908 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9909 for the comparison. Use gen_condjump.
9910 (mips_output_conditional_branch): Rework interface to take the
9911 asm templates for a direct branch and the inverse of a direct branch.
9912 (mips_output_order_conditional_branch): New function.
9913 (mips_builtin_branch_and_move): New function.
9914 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9915 branch condition. Use gen_single_cc as the condition for
9916 __builtin_mips_upper_* or __builtin_mips_lower_*.
9917 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9918 Use VOIDmode for the branch condition.
9919 * config/mips/predicates.md (order_operator): New predicate.
9920 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9921 (branch_fp): Rename to...
9922 (*branch_fp): ...this. Remove mode from comparison operator.
9923 Use new mips_output_conditional_branch interface.
9924 (branch_fp_inverted): Rename to...
9925 (*branch_fp_inverted): ...this and update as for *branch_fp.
9926 (*branch_zero<mode>): Rename to...
9927 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9928 Use mips_output_order_conditional_branch. Only accept ordered
9930 (*branch_zero<mode>_inverted): Rename to...
9931 (*branch_order<mode>_inverted): ...this and update as for
9932 *branch_order<mode>.
9933 (*branch_equality<mode>): Accept zero as the second operand to
9934 the equality operator. Use the new mips_output_conditional_branch
9936 (*branch_equality<mode>_inverted): Likewise.
9937 (condjump): New expander.
9938 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9940 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9941 (bc1any2t, bc1any2f): Likewise.
9942 (single_cc): New expander.
9943 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9945 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9947 * doc/md.texi: Update documentation of MIPS constraints.
9948 * config/mips/constraints.md: New file.
9949 * config/mips/mips.md: Include it.
9950 * config/mips/mips.c (mips_char_to_class): Delete.
9951 (override_options): Don't initialize mips_char_to_class.
9952 * config/mips/mips.h (mips_char_to_class): Delete.
9953 (REG_CLASS_FROM_LETTER): Delete.
9954 (CONST_OK_FOR_LETTER_P): Delete.
9955 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9956 (EXTRA_CONSTRAINT_Y): Delete.
9957 (EXTRA_CONSTRAINT_STR): Delete.
9958 (CONSTRAINT_LEN): Delete.
9959 (EXTRA_MEMORY_CONSTRAINT): Delete.
9961 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9963 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9964 original fn's eh regions.
9966 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9968 * fold-const.c (build_range_check): Make sure to use a valid type to
9969 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9972 (range_predecessor): New static function.
9973 (range_successor): Likewise.
9974 (merge_ranges): Use them to compute predecessors and successors of
9977 2006-03-09 Roger Sayle <roger@eyesopen.com>
9980 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9981 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9983 2006-03-08 DJ Delorie <dj@redhat.com>
9985 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9986 (addpsi3): Expand to include memory operands. Remove
9987 reload-specific splits.
9988 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9989 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9990 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9991 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9992 (shift1_qi, shift1_hi, insv): New.
9993 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9994 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9995 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9997 * config/m32c/m32c-protos.h: Update as needed.
9998 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9999 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10000 Fail for unrecognized R* constraints.
10001 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10002 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10003 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10005 (m32c_init_libfuncs): New.
10006 (m32c_legitimate_address_p): Add debug wrapper.
10007 (m32c_rtx_costs): New.
10008 (m32c_address_cost): New.
10009 (conversions): Add 'B' prefix.
10010 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10011 operands, or word regnames for QI operands. 'B' prints bit
10013 (m32c_expand_setmemhi): New.
10014 (m32c_expand_movmemhi): New.
10015 (m32c_expand_movstr): New.
10016 (m32c_expand_cmpstr): New.
10017 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10018 (m32c_expand_neg_mulpsi3): Handle non-ints.
10019 (m32c_cmp_flg_0): New.
10020 (m32c_expand_movcc): New.
10021 (m32c_expand_insv): New.
10022 (m32c_scc_pattern): New.
10023 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10024 a0/a1 out of SIregs.
10025 (STORE_FLAG_VALUE): New.
10026 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10029 * config/m32c/mov.md: Make constraints more liberal.
10030 (zero_extendqihi2): Optimize r0/r1 case.
10031 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10032 * config/m32c/predicates.md (m32c_any_operand): New.
10033 (m32c_nonimmediate_operand): New.
10034 (m32c_hl_operand): New.
10035 (m32c_r3_operand): New.
10038 (memsym_operand): New.
10039 (memimmed_operand): New.
10040 (a_qi_operand): New.
10041 (m32c_eqne_operator): New.
10042 (m32c_1bit8_operand): New.
10043 (m32c_1bit16_operand): New.
10044 (m32c_1mask8_operand): New.
10045 (m32c_1mask16_operand): New.
10046 * config/m32c/blkmov.md: New file.
10047 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10049 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10051 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10052 unsigned to fix signed/unsigned comparison issue in
10053 DWARF2_FRAME_REG_OUT.
10054 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10055 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10057 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10058 of ptr into the ENABLE_CHECKING section.
10060 2006-03-08 Jeff Law <law@redhat.com>
10062 * tree-vrp.c (infer_value_range): Only count pointer uses
10063 and dereferences if -fdelete-null-pointer-checks is enabled.
10065 * tree-vrp.c (find_assert_locations): Infer value ranges for
10066 single use pointers, but do not create ASSERT_EXPRs for them.
10067 When a non-null range is inferred for a pointer, backwards
10068 propagate that range to other equivalent pointers through the
10071 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10074 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10075 language hook targets.
10076 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10077 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10078 if language hook targets were missing.
10080 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10082 * tree-ssa-opfinalize.h: Removed.
10083 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10085 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10086 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10087 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10088 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10089 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10090 finalize_ssa_v_must_def_ops): New.
10092 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10094 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10095 block as parameter.
10097 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10099 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10101 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10102 addresses with offsets; reorganize.
10104 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10105 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10106 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10108 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10111 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10113 2006-03-08 Ben Elliston <bje@au.ibm.com>
10115 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10117 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10120 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10123 2006-03-07 Richard Guenther <rguenther@suse.de>
10125 PR tree-optimization/26587
10126 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10128 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10130 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10132 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10134 * hooks.c (hook_bool_mode_rtx_true): New function.
10135 * hooks.h (hook_bool_mode_rtx_true): Declare.
10136 * toplev.c (compile_file): Call output_shared_constant_pool.
10137 * varasm.c (shared_constant_pool): New variable.
10138 (assemble_start_function, assemble_end_function): Remove arguments
10139 from call to output_constant_pool.
10140 (create_constant_pool): New function, split out from...
10141 (init_varasm_status): ...here.
10142 (force_const_mem): Choose between the shared and per-function constant
10143 pools. Set current_function_uses_const_pool when reusing old entries
10144 as well as when creating new ones.
10145 (mark_constant): Ignore data argument.
10146 (mark_constants): Remove pool argument.
10147 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10148 to decide whether the function uses a constant pool.
10149 (output_constant_pool_contents): New function, split out from...
10150 (output_constant_pool): ...here.
10151 (output_shared_constant_pool): New function.
10152 (init_varasm_once): Initialize shared_constant_pool.
10153 * output.h (output_constant_pool): Delete.
10154 (output_shared_constant_pool): Declare.
10155 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10156 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10158 2006-03-06 Nick Clifton <nickc@redhat.com>
10160 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10161 flag_strength_reduce.
10163 2006-03-06 Ben Elliston <bje@au.ibm.com>
10165 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10166 x86_64-*-linux* configurations.
10168 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10169 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10171 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10173 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10175 * basic-block.h: Remove the extern for
10176 rediscover_loops_after_threading.
10178 * cfgloop.c (cancel_loop): Make it static.
10179 * cfgloop.h: Remove the prototype for cancel_loop.
10181 * flow.c (recompute_reg_usage): Make it static.
10182 * rtl.h: Remove the prototype for recompute_reg_usage.
10184 * function.c (use_return_register): Make it static.
10185 * function.h: Remove the prototype.
10187 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10189 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10191 * recog.h: Remove the prototype for
10192 validate_change_maybe_volatile.
10194 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10196 * rtlanal.c (replace_reg): Remove.
10197 * rtl.h: Remove the prototype for replace_reg.
10199 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10201 * regclass.c (reg_scan_update): Remove.
10202 (reg_scan_mark_refs): Remove the last argument.
10203 * rtl.h: Remove the prototype for reg_scan_update.
10205 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10207 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10208 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10209 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10210 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10211 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10212 loop-invariant.c, omp-low.c, opts.c, passes.c,
10213 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10214 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10215 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10216 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10217 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10218 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10220 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10222 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10223 * dwarf2out.h: Remove the prototype for
10224 dwarf2out_add_library_unit_info.
10226 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10228 * tree.c (add_var_to_bind_expr): Remove.
10229 * tree.h: Remove the prototype for add_var_to_bind_expr.
10231 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10233 * regclass.c (n_non_fixed_regs): Remove.
10234 (init_reg_sets_1, globalize_reg): Remove all uses of
10236 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10238 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10240 * rtlanal.c (insns_safe_to_move_p): Remove.
10241 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10243 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10245 * expmed.c (expand_mult_add): Remove.
10246 * expr.h: Remove the prototype for expand_mult_add.
10248 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10250 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10251 and REG_SAVED_VAL_EXP constants.
10252 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10253 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10254 Handle regs stored by value.
10255 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10256 (execute_cfa_program): Handle DW_CFA_val_offset,
10257 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10258 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10259 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10260 (uw_install_context_1): Handle target regs stored by value.
10262 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10264 * tree-sra.c (tree_sra): Return todoflags;
10265 (generate_one_element): Set TODO_update_smt_usage if needed.
10266 (pass_sra): Remove TODO_update_smt_usage.
10267 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10269 (tree_ssa_forward_propagate_single_use_vars): Return
10270 TODO_update_smt_usage if we need to update SMT usage.
10271 (pass_forwprop): Remove TODO_update_smt_usage.
10273 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10275 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10276 (correct_use_link): Remove reference to get_stmt_operands.
10277 (update_stmt_operands): Likewise.
10278 (get_modify_expr_operands): New function factored out of
10279 parse_ssa_operands and get_expr_operands.
10280 Try to create V_MUST_DEFs for LHS by default.
10281 (get_expr_operands) <case MODIFY_EXPR>: Call
10282 get_modify_expr_operands.
10283 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10284 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10285 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10286 get_modify_expr_operands.
10288 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10290 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10291 * tree-flow.h: Remove the prototype for
10292 referenced_var_lookup_if_exists.
10294 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10296 PR rtl-optimization/26345
10298 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10300 2006-03-03 Roger Sayle <roger@eyesopen.com>
10302 PR tree-optimization/26524
10303 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10304 fold_convert to create a constant of the appropriate type.
10306 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10308 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10309 SYMBOL_REF_IN_BLOCK_P.
10310 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10311 of SYMBOL_FLAG_IN_BLOCK.
10312 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10313 instead of SYMBOL_REF_IN_BLOCK_P.
10314 * explow.c (use_anchored_address): Likewise.
10315 * rtl.c (rtx_size): Likewise.
10316 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10317 instead of SYMBOL_FLAG_IN_BLOCK.
10318 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10319 SYMBOL_REF_IN_BLOCK_P.
10320 (assemble_variable): Likewise.
10321 (output_constant_def_contents): Likewise.
10322 (output_constant_pool): Likewise.
10323 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10324 instead of SYMBOL_FLAG_IN_BLOCK.
10325 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10326 SYMBOL_REF_IN_BLOCK_P.
10327 (SYMBOL_REF_BLOCK): Likewise.
10328 (SYMBOL_REF_OFFSET): Likewise.
10329 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10330 SYMBOL_REF_IN_BLOCK_P.
10331 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10332 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10333 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10334 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10336 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10338 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10340 2006-03-02 Roger Sayle <roger@eyesopen.com>
10342 * simplify-rtx.c (simplify_unary_operation): When simplifying
10343 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10344 that we perform the right shift in the appropriate mode, and
10345 then extend or truncate the result to requested mode.
10347 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10349 * gengtype.c (main): Handle double_int type.
10350 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10351 * double-int.c: New file.
10352 * double-int.h: New file.
10353 * system.h: Include doubleint.h.
10354 * Makefile.in (SYSTEM_H): Include double-int.h.
10355 (double-int.o): Add.
10357 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10360 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10363 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10365 * tree-vrp.c (remove_range_assertions): Do not update statements
10368 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10370 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10372 * gcse.c (rest_of_handle_gcse): Ditto.
10373 * except.c (gate_handle_eh): Ditto.
10374 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10375 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10377 2006-03-02 Eric Christopher <echristo@apple.com>
10379 * config/i386/i386.c (machopic_output_stub): Add indirection to
10382 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10386 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10388 Sun Niagara specific optimizations.
10389 * config.gcc: Recognize niagara as target.
10390 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10391 (TARGET_CPU_niagara): Define.
10392 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10393 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10394 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10395 (ASM_CPU_SPEC): Likewise.
10396 (PROCESSOR_NIAGARA): New enum entry.
10397 (REGISTER_MOVE_COST): Handle Niagara.
10398 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10399 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10400 (sparc_override_options): Recognize "niagara", set appropriate
10401 default MASK_* values for it, and align functions to 32-bytes
10402 by default just like ULTRASPARC/ULTRASPARC3.
10403 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10404 (sparc64_initialize_trampoline): Likewise.
10405 (sparc_use_sched_lookahead): Use zero for niagara.
10406 (sparc_issue_rate): Use one for niagara.
10407 * config/sparc/niagara.md: New file.
10408 * config/sparc/sparc.md: Include it.
10409 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10410 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10411 when default cpu is niagara.
10412 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10413 (ASM_CPU_SPEC): Likewise.
10414 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10415 when default cpu is niagara.
10416 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10417 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10418 just like v9/ultrasparc/ultrasparc3.
10419 * doc/invoke.texi: Add documentation for "niagara" and improve
10420 existing documentation for ultrasparc variants.
10422 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10424 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10426 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10428 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10429 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10430 and say that only one is needed.
10431 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10432 * target.h (have_switchable_bss_sections): New hook.
10433 * explow.c (use_anchored_address): Check that the symbol is in a block.
10434 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10435 (bss_noswitch_section): New variables.
10436 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10437 (get_noswitch_section): New function.
10438 (get_block_for_section): Allow SECT to be null.
10439 (unlikely_text_section_p): Use SECTION_STYLE.
10440 (bss_initializer_p): New function.
10441 (get_variable_section): Move earlier in file. Take a new argument,
10442 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10443 Return one of the new *_sections in such cases.
10444 (get_block_for_decl): New function, extracting some logic from
10445 use_blocks_for_decl_p.
10446 (change_symbol_section): Remove in favor of...
10447 (change_symbol_block): ...this new function.
10448 (use_blocks_for_decl_p): Remove checks now performed by
10449 get_block_for_decl.
10450 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10451 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10452 (emit_local, emit_bss, emit_common): ...these new functions.
10453 Return true if the alignment was honored.
10454 (emit_tls_common): New function.
10455 (asm_emit_uninitialised): Delete.
10456 (assemble_variable_noswitch): New function, split out from...
10457 (assemble_variable): ...here. Don't make decisions about common
10458 variables here. Globalize all public decls that go into non-common
10459 sections. Check whether SYMBOL_REF_BLOCK is null.
10460 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10461 (output_constant_pool): Likewise.
10462 (init_varasm_once): Initialize the new section variables.
10463 (have_global_bss_p): New function.
10464 (categorize_decl_for_section): Use bss_initializer_p.
10465 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10466 (place_block_symbol): Assert that the symbol must be in a block.
10467 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10468 (TARGET_INITIALIZER): Include it.
10469 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10470 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10471 (SECTION_MACH_DEP): Bump by two.
10472 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10473 (unnamed_section): Mention SECTION_UNNAMED in comment.
10474 (named_section): Likewise SECTION_NAMED.
10475 (noswitch_section_callback): New type.
10476 (noswitch_section): New structure.
10477 (section): Add a noswitch_section alternative.
10478 (SECTION_STYLE): New macro.
10479 (tls_comm_section, comm_section, lcomm_section): Declare.
10480 (bss_noswitch_section, have_global_bss_p): Declare.
10481 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10482 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10484 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10485 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10488 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10490 * tree-vrp.c (execute_vrp): Return value.
10491 * regrename.c (rest_of_handle_regrename): Ditto.
10492 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10493 * tree-complex.c (tree_lower_complex): Ditto.
10494 (tree_lower_complex_O0): Ditto.
10495 * tracer.c (rest_of_handle_tracer): Ditto.
10496 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10497 * postreload.c (rest_of_handle_postreload): Ditto.
10498 * tree-tailcall.c (execute_tail_recursion): Ditto.
10499 (execute_tail_calls): Ditto.
10500 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10501 * tree.h (init_function_for_compilation): Ditto.
10502 * ipa-cp.c (ipcp_driver): Ditto.
10503 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10504 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10505 * final.c (compute_alignments): Ditto.
10506 (rest_of_handle_final): Ditto.
10507 (rest_of_handle_shorten_branches): Ditto.
10508 (rest_of_clean_state): Ditto.
10509 * omp-low.c (execute_expand_omp): Ditto.
10510 (execute_lower_omp): Ditto.
10511 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10512 * ipa-reference.c (static_execute): Ditto.
10513 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10514 * reorg.c (rest_of_handle_delay_slots): Ditto.
10515 (rest_of_handle_machine_reorg): Ditto.
10516 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10517 * flow.c (recompute_reg_usage): Ditto.
10518 (rest_of_handle_remove_death_notes): Ditto.
10519 (rest_of_handle_life): Ditto.
10520 (rest_of_handle_flow2): Ditto.
10521 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10522 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10523 (do_ssa_store_ccp): Ditto.
10524 (execute_fold_all_builtins): Ditto.
10525 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10526 * modulo-sched.c (rest_of_handle_sms): Ditto.
10527 * ipa-pure-const.c (static_execute): Ditto.
10528 * cse.c (rest_of_handle_cse): Ditto.
10529 (rest_of_handle_cse2): Ditto.
10530 * web.c (rest_of_handle_web): Ditto.
10531 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10532 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10533 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10534 * tree-nrv.c (tree_nrv): Ditto.
10535 (execute_return_slot_opt): Ditto.
10536 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10537 (create_structure_vars): Ditto.
10538 * loop-init.c (rtl_loop_init): Ditto.
10539 (rtl_loop_done): Ditto.
10540 (rtl_move_loop_invariants): Ditto.
10541 (rtl_unswitch): Ditto.
10542 (rtl_unroll_and_peel_loops): Ditto.
10543 (rtl_doloop): Ditto.
10544 * gimple-low.c (lower_function_body): Ditto.
10545 (mark_used_blocks): Ditto.
10546 * tree-ssa-sink.c (execute_sink_code): Ditto.
10547 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10548 (cgraph_early_inlining): Ditto.
10549 * global.c (rest_of_handle_global_alloc): Ditto.
10550 * jump.c (cleanup_barriers): Ditto.
10551 (purge_line_number_notes): Ditto.
10552 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10553 (rest_of_handle_if_after_reload): Ditto.
10554 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10555 (tree_ssa_loop_im): Ditto.
10556 (tree_ssa_loop_unswitch): Ditto.
10557 (tree_vectorize): Ditto.
10558 (tree_linear_transform): Ditto.
10559 (tree_ssa_loop_ivcanon): Ditto.
10560 (tree_ssa_empty_loop): Ditto.
10561 (tree_ssa_loop_bounds): Ditto.
10562 (tree_complete_unroll): Ditto.
10563 (tree_ssa_loop_prefetch): Ditto.
10564 (tree_ssa_loop_ivopts): Ditto.
10565 (tree_ssa_loop_done): Ditto.
10566 * predict.c (tree_estimate_probability): Ditto.
10567 * recog.c (split_all_insns_noflow): Ditto.
10568 (rest_of_handle_peephole2): Ditto.
10569 (rest_of_handle_split_all_insns): Ditto.
10570 * tree-eh.c (lower_eh_constructs): Ditto.
10571 * regmove.c (rest_of_handle_regmove): Ditto.
10572 (rest_of_handle_stack_adjustments): Ditto.
10573 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10574 * function.c (instantiate_virtual_regs): Ditto.
10575 (init_function_for_compilation): Ditto.
10576 (rest_of_handle_check_leaf_regs): Ditto.
10577 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10578 (rest_of_handle_gcse): Ditto.
10579 * ipa-type-escape.c (type_escape_execute): Ditto.
10580 * alias.c (rest_of_handle_cfg): Ditto.
10581 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10582 * profile.c (rest_of_handle_branch_prob): Ditto.
10583 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10584 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10585 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10586 * tree-dfa.c (find_referenced_vars): Ditto.
10587 * except.c (set_nothrow_function_flags): Ditto.
10588 (convert_to_eh_region_ranges): Ditto.
10589 (rest_of_handle_eh): Ditto.
10590 * emit-rtl.c (unshare_all_rtl): Ditto.
10591 (remove_unnecessary_notes): Ditto.
10592 * except.h (set_nothrow_function_flags): Ditto.
10593 (convert_to_eh_region_ranges): Ditto.
10594 * cfgexpand.c (tree_expand_cfg): Ditto.
10595 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10596 * tree-ssa-pre.c (do_pre): Ditto.
10597 (execute_fre): Ditto.
10598 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10599 (rest_of_handle_jump2): Ditto.
10600 * tree-sra.c (tree_sra): Ditto.
10601 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10602 (execute_mudflap_function_decls): Ditto.
10603 * tree-ssa-copy.c (do_copy_prop): Ditto.
10604 (do_store_copy_prop): Ditto.
10605 * ipa-prop.h (ipcp_driver): Ditto.
10606 * cfglayout.c (insn_locators_initialize): Ditto.
10607 * tree-ssa-forwprop.c
10608 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10609 * cfglayout.h (insn_locators_initialize): Ditto.
10610 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10611 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10612 (execute_late_warn_uninitialized): Ditto.
10613 * rtl.h (cleanup_barriers): Ditto.
10614 (split_all_insns_noflow): Ditto.
10615 (purge_line_number_notes): Ditto.
10616 (unshare_all_rtl): Ditto.
10617 (remove_unnecessary_notes): Ditto.
10618 (recompute_reg_usage): Ditto.
10619 (variable_tracking_main): Ditto.
10620 * integrate.c (emit_initial_value_sets): Ditto.
10621 * integrate.h (emit_initial_value_sets): Ditto.
10622 * tree-optimize.c (execute_free_datastructures): Ditto
10623 (execute_free_cfg_annotations): Ditto.
10624 (execute_fixup_cfg): Ditto.
10625 (execute_cleanup_cfg_pre_ipa): Ditto.
10626 (execute_cleanup_cfg_post_optimizing): Ditto.
10627 (execute_init_datastructures): Ditto.
10628 * tree-object-size.c (compute_object_sizes): Ditto.
10629 * combine.c (rest_of_handle_combine): Ditto.
10630 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10631 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10632 (rest_of_handle_reorder_blocks): Ditto.
10633 (rest_of_handle_partition_blocks): Ditto.
10634 * var-tracking.c (variable_tracking_main): Ditto.
10635 * tree-profile.c (tree_profiling): Ditto.
10636 * tree-vect-generic.c (expand_vector_operations): Ditto.
10637 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10638 * sched-rgn.c (rest_of_handle_sched): Ditto.
10639 (rest_of_handle_sched2): Ditto.
10640 * basic-block.h (free_bb_insn): Ditto.
10641 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10642 * tree-cfg.c (execute_build_cfg): Ditto.
10643 (remove_useless_stmts): Ditto.
10644 (split_critical_edges): Ditto.
10645 (execute_warn_function_return): Ditto.
10646 (execute_warn_function_noreturn): Ditto.
10647 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10648 * cfgrtl.c (free_bb_for_insn): Ditto.
10649 * passes.c (execute_one_pass): Run additional
10650 todos returned by execute function.
10651 * tree-pass.h (struct tree_opt_pass): Make execute
10654 2006-03-02 Richard Guenther <rguenther@suse.de>
10656 * tree-ssa-alias.c (find_used_portions): Consider taking
10657 the address as making the variable not write-only.
10659 2006-03-02 Nick Clifton <nickc@redhat.com>
10661 * config.gcc (default_use_cxa_atexit): Extend the description of
10662 this configure variable. Set its default value to "yes" for
10663 Linux, NetBSD and ELF targets on the assumption that they will
10664 use C libraries with the __cxa_atexit function.
10666 2006-03-02 Ben Elliston <bje@au.ibm.com>
10668 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10669 parameter as unused to suppress a build warning.
10671 2006-03-02 Ben Elliston <bje@au.ibm.com>
10673 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10676 2006-03-01 Roger Sayle <roger@eyesopen.com>
10679 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10680 declared name, the weak reference name, and the typeof name.
10681 (__gthrw): Avoid expanding the declared name suffix.
10682 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10684 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10686 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10688 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10689 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10690 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10691 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10692 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10693 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10694 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10695 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10696 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10697 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10698 (DW_END_default, DW_END_big, DW_END_little): New.
10699 (DW_END_lo_user, DW_END_hi_user): Define.
10700 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10701 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10702 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10705 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10707 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10709 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10711 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10713 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10715 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10716 to 'symbol_mem_tag'.
10718 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10721 2006-03-01 Roger Sayle <roger@eyesopen.com>
10723 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10725 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10728 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10729 MACHO_DYNAMIC_NO_PIC_P.
10730 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10732 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10735 * config/darwin-protos.h (darwin_asm_output_anchor):
10737 * config/darwin-sections.def (cstring_section):
10738 Add SECTION_MERGE to the flags.
10739 (literal4_section): Likewise.
10740 (literal8_section): Likewise.
10741 (objc_selector_refs_section): Likewise.
10742 (objc_cls_refs_section): Likewise.
10743 * config/darwin.c (darwin_asm_output_anchor): New
10745 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10747 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10749 Fix PR tree-optimization/26443
10750 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10751 to todo and PROP_tmt_usage to properties_destroyed.
10752 * tree-ssa-ccp.c (pass_ccp): Ditto.
10753 (pass_store_ccp): Ditto.
10754 * tree-ssa-dom.c (pass_dominator): Ditto.
10756 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10758 * tree-ssa-operands.c: Cleanup whitespace.
10759 (get_asm_expr_operands): Move before first invocation.
10760 (get_indirect_ref_operands): Likewise.
10761 (get_tmr_operands): Likewise.
10762 (get_call_expr_operands): Likewise.
10763 (append_def): Likewise.
10764 (append_use): Likewise.
10765 (append_v_may_def): Likewise.
10766 (append_v_must_def): Likewise.
10767 (add_call_clobber_ops): Likewise.
10768 (add_call_read_ops): Likewise.
10769 (add_stmt_operand): Likewise.
10770 (add_virtual_operand): Likewise.
10771 (build_ssa_operands): Likewise.
10773 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10775 PR middle-end/26022
10777 PR middle-end/24437
10778 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10779 with a call expr to ...
10780 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10782 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10784 * tree-vrp.c (extract_range_from_assert): Remove special
10785 handling for types with super-types.
10787 2006-03-01 Ben Elliston <bje@au.ibm.com>
10789 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10790 and powerpc64-*-linux* configurations.
10791 * config/t-dfprules: New file.
10793 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10794 Compile dfp-bit.c from the source directory using -DWIDTH and
10795 $DFP_CFLAGS to control the compilation of that file, rather than
10796 generating width-specific versions in the build directory.
10797 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10798 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10800 2006-02-28 Zack Weinberg <zackw@panix.com>
10802 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10805 2006-02-28 Eric Christopher <echristo@apple.com>
10807 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10808 Set up IN_LIBGCC definition of TARGET_64BIT.
10809 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10811 2006-02-28 Roger Sayle <roger@eyesopen.com>
10813 PR middle-end/14752
10814 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10815 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10816 cases via the construction of "expr != 0".
10818 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10820 * alias.c (alias_invariant, alias_invariant_size): Remove.
10821 (record_base_value): Remove.
10822 (memrefs_conflict_p): Don't look at alias_invariant.
10823 (end_alias_analysis): Don't free it.
10824 * alias.h (record_base_value): Remove prototype.
10826 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10827 Adam Nemet <anemet@caviumnetworks.com>
10829 * rtl.h (truncated_to_mode): Declare it.
10830 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10831 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10832 (RTL_HOOKS_INITIALIZER): Include it.
10833 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10834 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10835 reg_truncated_to_mode.
10836 * rtlanal.c (truncated_to_mode): Define it.
10837 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10839 2006-02-28 Jeff Law <law@redhat.com>
10841 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10842 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10843 the range allowed by TYPE_PRECISION.
10845 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10847 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10849 PR tree-optimization/26419
10850 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10853 2006-02-27 Zack Weinberg <zackw@panix.com>
10855 * doc/md.texi: Fix typo in previous change.
10857 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10861 2006-02-27 Zack Weinberg <zackw@panix.com>
10863 * rtl.def (define_constraint, define_register_constraint)
10864 (define_memory_constraint, define_address_constraint): New MD forms.
10865 * gensupport.c (process_rtx): Put define_constraint etc on the
10867 * genpreds.c (process_define_predicate): Adjust comment. Validate
10868 the name, and call validate_exp to validate the expression.
10869 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10870 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10871 all callers changed.
10872 (validate_exp, needs_variable, struct constraint_data)
10873 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10874 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10875 (const_dbl_constraints, constraint_max_namelen)
10876 (have_register_constraints, have_memory_constraints)
10877 (have_address_constraints, have_address_constraints)
10878 (have_extra_constraints, have_const_int_constraints)
10879 (have_const_dbl_constraints, mangle, add_constraint)
10880 (process_define_constraint, process_define_register_constraint)
10881 (write_enum_constraint_num, write_lookup_constraint)
10882 (write_insn_constraint_len, write_regclass_for_constraint)
10883 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10884 (write_insn_extra_memory_constraint)
10885 (write_insn_extra_address_constraint)
10886 (write_satisfies_constraint_fns): New.
10887 (write_tm_preds_h): If we have new-style constraint definitions,
10888 prototype the functions generated from them, and define the
10889 old constraint interface (still used by generic code) in terms of
10891 (write_insn_preds_c): If we have new-style constraint definitions,
10892 generate all relevant functions from those definitions.
10893 (main): Handle define_constraint etc.
10894 * genoutput.c (struct constraint_data, indep_constraints)
10895 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10896 (mdep_constraint_len): New data structures and functions, defined
10897 #ifdef USE_MD_CONSTRAINTS.
10898 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10899 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10900 use new logic to validate operand constraints against constraint
10902 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10904 * defaults.h: If none of the old-style constraint macros are
10905 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10906 old-style macros; and poison REG_CLASS_FROM_LETTER,
10907 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10909 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10910 * doc/md.texi: Document new constraint-definition mechanism and the
10911 C interface it provides. Remove references to old mechanism
10912 elsewhere in the document.
10913 (Machine Constraints): Use pathnames relative to gcc directory,
10914 i.e. config/ARCH/FILE. Change i386 section to refer to
10915 config/i386/predicates.md; update that section to match docstrings.
10916 * doc/tm.texi: Move all documentation of the old constraint-
10917 definition macros to their own section, clearly mark as obsolete.
10919 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10920 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10922 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10923 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10924 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10925 constraint strings.
10926 (splits and peepholes): Use satisfies_constraint_*.
10927 * config/i386/i386.c (memory_address_length)
10928 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10930 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10932 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10933 scalar operation to be put back into the loop.
10935 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10938 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10939 (extract_cie_info): Handle S flag in augmentation string.
10940 (execute_cfa_program): If context->signal_frame, execute also
10941 fs->pc == context->ra instructions.
10942 (uw_frame_state_for): If context->signal_frame, don't subtract one
10943 from context->ra to find FDE.
10944 (uw_update_context_1): Set context->signal_frame to
10946 (_Unwind_GetIPInfo): New function.
10947 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10948 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10950 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10951 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10952 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10953 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10954 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10955 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10956 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10957 x86_64_fallback_frame_state): Set fs->signal_frame.
10958 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10959 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10960 (frob_update_context): Likewise. Workaround missing S flag in
10961 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10962 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10963 Remove the psw_addr + 1 hack.
10965 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10967 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10968 with aggregates here.
10969 (find_func_aliases): Remove code for &<aggregate> from here.
10971 2006-02-26 Roger Sayle <roger@eyesopen.com>
10973 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10974 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10975 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10976 as (X & C) ne/eq 0.
10978 2006-02-26 Roger Sayle <roger@eyesopen.com>
10980 PR middle-end/19983
10981 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10983 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10985 * opts.c (decode_options): Do not handle flag_strength_reduce.
10986 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10987 and OPT_fstrength_reduce.
10988 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10989 flag_prefetch_loop_arrays for being nonzero.
10990 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10992 (fprefetch-loop-arrays-rtl): Removed.
10993 (flag_prefetch_loop_arrays): Do not specify the value.
10995 * doc/passes.texi: Update documentation of loop optimizer
10997 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10998 -frerun-loop-opt): Remove.
11000 2006-02-26 Richard Guenther <rguenther@suse.de>
11002 PR tree-optimization/26421
11003 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11004 in function calls that are ADDR_EXPRs as using the whole structure.
11006 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11008 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11009 * tree-pass.h (pass_loop_optimize): Remove.
11010 * passes.c (pass_loop_optimize): Never run it.
11011 * toplev.c (backend_init): Don't call init_loop.
11012 * opts.c (flag_loop_optimize_set): Remove.
11013 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11014 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11015 the old RTL loop optimizer when profiling enabled.
11016 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11017 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11018 pre-headers for the sake of the old RTL loop optimizer.
11019 * Makefile.in: Remove all references to loop.o.
11021 * doc/invoke.texi: Remove all references to -floop-optimize
11022 and -frerun-loop-opt.
11024 2006-02-26 Zack Weinberg <zackw@panix.com>
11026 * doc/md.texi (Machine Constraints): Refer to all files with paths
11027 relative to gcc directory (i.e. config/CPU/file). Add missing
11028 @table @code ... @end table to M32C subsection.
11030 2006-02-26 Roger Sayle <roger@eyesopen.com>
11032 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11034 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11036 2006-02-26 Roger Sayle <roger@eyesopen.com>
11037 James A. Morrison <phython@gcc.gnu.org>
11039 PR middle-end/21137
11040 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11041 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11042 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11043 signedness of the shift operation.
11045 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11047 PR tree-optimization/26359
11048 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11050 2006-02-25 Roger Sayle <roger@eyesopen.com>
11052 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11053 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11054 as X == 0, and some symmetry related transformations.
11055 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11057 2006-02-25 Roger Sayle <roger@eyesopen.com>
11059 PR middle-end/23673
11060 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11061 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11062 symmetry related transformations. Fold (X^C1) == C2 as
11065 2006-02-25 Juergen Weigert <jw@suse.de>
11066 Richard Guenther <rguenther@suse.de>
11068 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11070 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11072 * combine.c (gen_lowpart_or_truncate): Call
11073 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11075 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11077 * doc/invoke.texi: Move -fopenmp description to "Options for
11079 Remove reference to -lgomp.
11081 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11083 * doc/install.texi: Require GNU tar version 1.14.
11085 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11087 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11088 * doc/invoke.texi (C++ Dialect Options): Document
11089 -fno-use-cxa-get-exception-ptr.
11090 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11091 * configure: Regenerate.
11092 * c.opt (fuse-cxa-get-exception-ptr): New.
11093 * c-opts.c (c_common_handle_option): Handle
11094 OPT_fuse_cxa_get_exception_ptr.
11095 * c-common.c (flag_use_cxa_atexit): Update documentation.
11096 (flag_use_cxa_get_exception_ptr): New.
11097 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11098 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11100 (C_COMMON_OVERRIDE_OPTIONS): New.
11102 2006-02-24 Roger Sayle <roger@eyesopen.com>
11104 PR middle-end/24952
11105 * combine.c (try_combine): Explicitly check whether GET_CODE is
11106 a SET or a CLOBBER, instead on checking that it isn't a USE.
11108 2006-02-24 Roger Sayle <roger@eyesopen.com>
11110 * fold-const.c (fold_comparison): New subroutine of fold_binary
11111 containing transformations common to both the equality and
11112 ordering relational operators, factored out of fold_binary.
11113 (fold_binary): Separate out the equality operators (EQ_EXPR
11114 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11115 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11116 transformations common to both.
11117 (fold_div_compare): Fix latent bugs in the previously unreachable
11118 LT_EXPR and GE_EXPR cases.
11120 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11122 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11123 decl libname for clog to __clog on AIX.
11125 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11127 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11130 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11131 output traceback table for thunks. Localise rs6000_stack_info call.
11133 2006-02-23 Roger Sayle <roger@eyesopen.com>
11134 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11136 * gthr-posix.h (__gthrw): Fix typo in comment.
11138 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11140 * doc/cpp.texi (Character sets): Document that we do support
11141 input files to be in any character set.
11143 2006-02-23 Jeff Law <law@redhat.com>
11145 * tree.h (PHI_ARG_NONZERO): Remove.
11146 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11147 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11148 node to the new node.
11150 PR tree-optimization/26425
11151 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11152 min/max, then assume its varying.
11154 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11156 PR rtl-optimization/26316
11157 * rtlanal.c (enum may_trap_p_flags): New.
11158 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11159 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11160 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11161 (may_trap_after_code_motion_p): New function.
11162 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11163 (find_invariant_insn): Use may_trap_after_code_motion_p.
11164 * rtl.h (may_trap_after_code_motion_p): Declare.
11166 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11168 * emit-rtl.c (immed_double_const): Cleanup.
11170 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11172 Fix PR tree-optimization/26376
11173 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11176 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11178 PR middle-end/26412
11179 * gimplify.c (omp_add_variable): Guard variable size decl test with
11180 DECL_SIZE (decl) check.
11182 2006-02-23 Richard Guenther <rguenther@suse.de>
11184 PR middle-end/26439
11185 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11186 like aggregate types.
11188 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11190 * configure.ac: Add --with{,out}-long-double-128 configure option.
11191 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11192 * configure: Rebuilt.
11193 * config.in: Rebuilt.
11194 * doc/install.texi (Options specification): Document
11195 --with-long-double-128.
11197 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11198 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11199 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11200 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11202 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11204 * config/s390/s390.c (override_options): Handle
11205 TARGET_DEFAULT_LONG_DOUBLE_128.
11207 * config/alpha/alpha.c (override_options): Handle
11208 TARGET_DEFAULT_LONG_DOUBLE_128.
11210 * config/sparc/sparc.c (sparc_override_options): Handle
11211 TARGET_DEFAULT_LONG_DOUBLE_128.
11213 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11215 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11216 (real-install-headers-tar, real-install-headers-cpio)
11217 (real-install-headers-cp): New targets.
11219 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11221 * tree.h (variable_section): Delete.
11222 * varasm.c (variable_section): Delete.
11224 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11226 * install.texi: Add notes on install.texi2html.
11227 (Building in parallel): Do not use footnotes.
11229 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11232 * doc/install.texi (Configuration): Document --disable-libgomp.
11234 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11236 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11238 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11240 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11241 (vec_extractv2df_0_sse): New.
11243 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11245 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11246 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11247 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11248 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11249 to the result of the expression.
11250 (def_cfa_1): Adjust.
11251 (frame_pointer_cfa_offset): Rename to...
11252 (frame_pointer_fb_offset): ... this. Adjust all uses.
11253 (convert_cfa_to_loc_list): Rename to...
11254 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11255 Pass it on to build_cfa_loc.
11256 (compute_frame_pointer_to_cfa_displacement): Rename to...
11257 (compute_frame_pointer_to_fb_displacement): ... this. New
11258 offset parameter. Use it in computation.
11259 (gen_subprogram_die): Compute cfa_fb_offset with the new
11260 macro, and use it to compute the fb loc list and the
11263 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11265 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11266 replaced with register_operand.
11267 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11268 non-DREG is expensive.
11269 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11270 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11273 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11275 * doc/install.texi2html: Use set -e.
11277 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11279 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11280 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11281 * doc/invoke.texi (-fshared-data): Delete.
11282 * common.opt (fshared-data): Delete.
11283 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11284 (assemble_static_space): Remove #if 0 code.
11285 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11286 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11287 * config/cris/cris.h: Remove FIXME.
11289 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11291 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11294 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11296 PR middle-end/26379
11297 * combine.c (simplify_shift_const_1): Disable nested shifts
11298 optimization for vector shifts.
11300 2006-02-20 Roger Sayle <roger@eyesopen.com>
11302 PR tree-optimization/26361
11303 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11304 of unsigned integer types.
11306 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11308 * tree-chrec.c (eq_evolutions_p): New.
11309 * tree-chrec.h (eq_evolutions_p): Declared.
11310 * tree-data-ref.c: Fix formatting.
11311 (datadep_stats, dependence_stats): New.
11313 (print_direction_vector): New.
11314 (dump_data_dependence_relation): Use print_direction_vector.
11315 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11316 (compute_subscript_distance): Static.
11317 (initialize_data_dependence_relation): Static. Get the number
11318 of loops surrounding the references from the callers, and initialize
11319 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11320 base_object_differ_p analyzers.
11321 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11322 compute_overlap_steps_for_affine_1_2,
11323 analyze_subscript_affine_affine): Count the classified dependences.
11324 Print a message when a test failed.
11325 (can_use_analyze_subscript_affine_affine): New.
11326 (analyze_siv_subscript): Compute the data dependences on symbolic
11327 scevs that verify can_use_analyze_subscript_affine_affine.
11328 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11329 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11330 Handle symbolic scevs.
11331 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11333 (subscript_dependence_tester): Moved...
11334 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11335 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11336 DDR_SIZE_VECT instead of getting it in parameter.
11337 (subscript_dependence_tester): ... here. Take as a parameter
11338 loop_nest_depth. Call build_classic_dist_vector and
11339 build_classic_dir_vector.
11340 (compute_affine_dependence): Update subscript_dependence_tester
11341 parameters. Update datadep_stats counters. Call
11342 compute_subscript_distance.
11343 (compute_self_dependence): Save the dist and dir vectors. Call
11344 compute_subscript_distance.
11345 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11346 (compute_all_dependences): Reorder parameters as they were before
11347 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11348 compute_subscript_distance. Update the use of
11349 compute_affine_dependence and initialize_data_dependence_relation.
11350 (find_data_references_in_loop): Handle COMPONENT_REF.
11351 (compute_data_dependences_for_loop): Initialize dependence_stats.
11352 Don't call build_classic_dist_vector and build_classic_dir_vector.
11353 Update the parameters of initialize_data_dependence_relation and
11354 compute_all_dependences. Print the statistics from datadep_stats.
11355 (analyze_all_data_dependences): Static. Not used until the pass for
11356 checking the data dependences is contributed.
11357 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11358 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11359 (initialize_data_dependence_relation, compute_affine_dependence,
11360 analyze_all_data_dependences, compute_subscript_distance): Removed.
11361 (print_direction_vector): New.
11362 * lambda.h (gcd): ... here.
11363 (lambda_vector_gcd): Moved here from gcd_vector.
11364 * lambda-code.c (gcd, gcd_vector): Removed.
11365 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11366 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11368 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11370 * ipa-type-escape.c: Tidy some comments and white space.
11371 * tree-ssa-operands.c: Likewise.
11373 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11376 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11377 (dump_decl_name): Do not walk the decl tree chains.
11378 * tree-pass.h (TDF_CHAIN): Remove.
11380 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11382 * Makefile.in (C): Remove
11384 (.PHONY): Remove C and PROTO
11386 2006-02-20 Roger Sayle <roger@eyesopen.com>
11388 PR middle-end/26236
11389 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11390 deprecated CHAR_TYPE tree code.
11392 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11394 * configure.ac (target_list): Add install-info, dvi, html.
11395 * configure: Regenerate.
11397 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11398 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11399 treelang/Make-lang.in: Do not use double-colon rules.
11401 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11403 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11404 (TMT_USED_ALONE): New macro.
11405 * tree-pass.h (PROP_tmt_usage): New property.
11406 (TODO_update_tmt_usage): New todo.
11407 * tree-ssa-alias.c (updating_used_alone): New variable.
11408 (recalculate_used_alone): New function.
11409 (compute_may_aliases): Set updating_used_alone, call
11410 recalculate_used_alone.
11411 * tree-sra.c (pass_sra): Note that this pass destroys
11412 PROP_tmt_usage, and add TODO_update_tmt_usage.
11413 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11414 * tree-flow.h (updating_used_alone): Prototype.
11415 (recalculate_used_alone): Ditto.
11416 * passes.c (execute_todo): Add code to set updating_used_alone,
11417 and call recalculate.
11418 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11419 for clobber if used alone, and add assert to verify used_alone
11422 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11424 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11425 for non tls symbols added.
11426 (legitimize_address): Do nothing for PLUS expressions if one of the
11427 addends is a tls symbol reference.
11429 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11433 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11435 * Makefile.in (BOOTSTRAPPING): New.
11436 (quickstrap): New definition if BOOTSTRAPPING=yes.
11438 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11439 * configure.ac: Substitute all_selected_languages with the languages
11440 that were configured. For all the other variables except
11441 lang_specs_files, include all the languages in the tree.
11442 * configure: Regenerate.
11444 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11445 if there is one. Run the commands to run fixincludes in the same
11448 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11449 * doc/install.texi: Document exact conventions for searching target tools.
11450 Document --with-build-time-tools. Document toplevel bootstrap. Document
11451 something more about building an Ada cross-compiler. Don't list GNU Make
11452 requirements which affect all platforms.
11454 2006-02-19 Roger Sayle <roger@eyesopen.com>
11456 PR middle-end/19543
11457 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11458 only equivalent if the have both the same mode and precision.
11460 2006-02-20 Ben Elliston <bje@au.ibm.com>
11462 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11464 2006-02-19 Roger Sayle <roger@eyesopen.com>
11465 Steven Bosscher <stevenb.gcc@gmail.com>
11467 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11468 constant pool references to identify stack mode constants.
11469 * rtlanal.c (constant_pool_constant_p): New predicate to check
11470 whether operand is a floating point constant in the pool.
11471 * rtl.h (constant_pool_constant_p): Prototype here.
11472 * loop.c (scan_loop): Avoid hoisting constants from the constant
11473 pool on STACK_REGS targets.
11474 (load_mems): Likewise.
11475 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11476 loads into x87 registers expensive in terms of register pressure.
11478 2006-02-19 Roger Sayle <roger@eyesopen.com>
11480 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11481 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11483 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11485 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11486 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11488 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11490 * doc/invoke.texi: Document -fipa-pta.
11491 * common.opt: Add ipa-pta option.
11492 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11493 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11494 (do_ds_constraint): Ditto.
11495 (get_constraint_for): Only add to referenced_vars if
11496 referenced_vars exists.
11497 (insert_into_field_list): Rewrite to do this unsorted.
11498 (insert_into_field_list_sorted): Rename old insert_into_field_list
11500 (create_function_info_for): Use insert_into_field_list_sorted.
11501 (create_variable_info_for): Rewrite so it uses unsorted version,
11502 since the field list is sorted.
11503 (intra_create_variable_infos): Only add to referenced_vars if
11504 referenced_vars exists.
11505 (ipa_pta_execute): Init heapvars, and delete when done.
11506 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11508 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11510 * doc/install.texi: Add missing `@samp'.
11512 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11514 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11517 2006-02-18 Mark Wielaard <mark@klomp.org>
11519 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11520 who added new 4.1 features, bug fixes and integration support.
11522 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11525 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11526 MEM for ABI_V4 pic.
11528 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11530 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11531 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11532 (copy_insn_1): Likewise. Don't copy each field individually.
11534 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11536 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11537 * rtl.c (rtx_size): Rename variable to...
11538 (rtx_code_size): ...this.
11539 (rtx_size): New function.
11540 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11541 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11543 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11544 * rtl.h (rtx_code_size): New variable.
11545 (rtx_size): Change from a variable to a function.
11546 (RTX_SIZE): Rename to...
11547 (RTX_CODE_SIZE): ...this.
11550 PR tree-optimization/17106
11551 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11552 (Anchored Addresses): New section.
11553 * doc/invoke.texi (-fsection-anchors): Document.
11554 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11555 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11556 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11557 * hooks.c (hook_bool_mode_rtx_false): New function.
11558 * hooks.h (hook_bool_mode_rtx_false): Declare.
11559 * gengtype.c (create_optional_field): New function.
11560 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11561 SYMBOL_REF_IN_BLOCK_P is true.
11562 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11563 (min_anchor_offset, max_anchor_offset): Likewise.
11564 (use_anchors_for_symbol_p): New hook.
11565 * toplev.c (compile_file): Call output_object_blocks.
11566 (target_supports_section_anchors_p): New function.
11567 (process_options): Check that -fsection-anchors is only used on
11568 targets that support it and when -funit-at-a-time is in effect.
11569 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11570 if the decl doesn't have one.
11571 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11572 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11573 of force_const_mem through use_anchored_address.
11574 (expand_expr_constant): New function.
11575 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11576 calling expand_expr for INDIRECT_REF.
11577 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11578 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11579 * expr.h (use_anchored_address): Declare.
11580 * loop-unroll.c: Don't declare rtx vectors here.
11581 * explow.c: Include output.h.
11582 (validize_mem): Call use_anchored_address.
11583 (use_anchored_address): New function.
11584 * common.opt (-fsection-anchors): New switch.
11585 * varasm.c (object_block_htab, anchor_labelno): New variables.
11586 (hash_section, object_block_entry_eq, object_block_entry_hash)
11587 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11588 (use_blocks_for_decl_p, change_symbol_section): New functions.
11589 (get_variable_section): New function, split out from assemble_variable.
11590 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11591 use_blocks_for_decl_p say so. Use change_symbol_section if the
11592 symbol has already been created.
11593 (assemble_variable_contents): New function, split out from...
11594 (assemble_variable): ...here. Don't output any code for
11595 block symbols; just pass them to place_block_symbol.
11596 Use get_variable_section and assemble_variable_contents.
11597 (get_constant_alignment, get_constant_section, get_constant_size): New
11598 functions, split from output_constant_def_contents.
11599 (build_constant_desc): Create a block symbol if use_object_blocks_p
11600 says so. Or into SYMBOL_REF_FLAGS.
11601 (assemble_constant_contents): New function, split from...
11602 (output_constant_def_contents): ...here. Don't output any code
11603 for block symbols; just pass them to place_section_symbol.
11604 Use get_constant_section and get_constant_alignment.
11605 (force_const_mem): Create a block symbol if use_object_blocks_p and
11606 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11607 (output_constant_pool_1): Add an explicit alignment argument.
11608 Don't switch sections here.
11609 (output_constant_pool): Adjust call to output_constant_pool_1.
11610 Switch sections here instead. Don't output anything for block symbols;
11611 just pass them to place_block_symbol.
11612 (init_varasm_once): Initialize object_block_htab.
11613 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11614 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11615 (place_block_symbol, get_section_anchor, output_object_block)
11616 (output_object_block_htab, output_object_blocks): New functions.
11617 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11618 (TARGET_ASM_OUT): Include it.
11619 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11620 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11621 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11622 (TARGET_INITIALIZER): Include them.
11623 * rtl.c (rtl_check_failed_block_symbol): New function.
11624 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11625 (block_symbol, object_block): New structures.
11626 (rtx_def): Add a block_symbol field to the union.
11627 (BLOCK_SYMBOL_CHECK): New macro.
11628 (rtl_check_failed_block_symbol): Declare.
11629 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11630 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11631 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11632 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11633 * output.h (output_section_symbols): Declare.
11634 (object_block): Name structure.
11635 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11636 (default_use_anchors_for_symbol_p): Declare.
11637 * Makefile.in (RTL_BASE_H): Add vec.h.
11638 (explow.o): Depend on output.h.
11639 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11640 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11641 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11642 (rs6000_use_blocks_for_constant_p): New function.
11644 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11646 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11648 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11651 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11654 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11656 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11660 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11662 PR middle-end/26334
11663 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11664 instead of DECL_REGISTER.
11666 2006-02-18 Olivier Hainque <hainque@adacore.com>
11669 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11671 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11674 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11675 * opth-gen.awk: Handle Var and InverseMask together.
11676 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11677 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11678 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11679 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11681 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11682 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11683 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11684 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11685 LINUX_DYNAMIC_LINKER): Define.
11686 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11687 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11689 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11690 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11691 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11692 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11693 (TARGET_C99_FUNCTIONS): Don't define.
11694 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11695 GLIBC_DYNAMIC_LINKER.
11696 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11697 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11698 GLIBC_DYNAMIC_LINKER64): Define.
11699 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11700 LINUX_DYNAMIC_LINKER64.
11701 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11702 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11703 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11704 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11705 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11706 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11707 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11708 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11709 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11710 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11711 and LINUX_DYNAMIC_LINKER32.
11712 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11713 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11714 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11715 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11716 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11718 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11719 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11720 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11721 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11722 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11723 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11724 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11725 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11726 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11727 LINUX_DYNAMIC_LINKER): Define.
11728 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11729 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11730 GLIBC_DYNAMIC_LINKER64): Define.
11731 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11732 LINUX_DYNAMIC_LINKER64.
11733 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11734 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11735 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11736 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11737 LINUX_DYNAMIC_LINKER): Define.
11738 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11739 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11740 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11741 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11742 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11743 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11744 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11745 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11746 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11747 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11748 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11749 * doc/invoke.texi (-muclibc): Remove caveat about supported
11752 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11754 * doc/cpp.texi (__TIMESTAMP__): Document.
11756 2006-02-17 Roger Sayle <roger@eyesopen.com>
11758 PR middle-end/25600
11759 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11760 C is one less than the width of X (and related transformations).
11761 * simplify-rtx.c (simplify_unary_operation_1): Transform
11762 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11763 depending on STORE_FLAG_VALUE, were C is one less then the
11766 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11768 Fix PR tree-optimization/26341
11769 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11770 about NAME_MEMORY_TAG's.
11772 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11775 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11776 with hardware float support, and software float support. Add fcpy
11777 alternative to hardware patterns. Add alternatives to copy between
11778 general and floating-point registers to the 32-bit pattern.
11779 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11780 secondary reload to load a QI or HI mode constant into a floating
11782 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11783 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11785 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11788 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11790 (load_macho_picbase_di): Likewise.
11792 2006-02-16 Jeff Law <law@redhat.com>
11794 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11795 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11796 (ssa_name_nonzero_p): Likewise.
11797 (get_value_range): Return NULL if VRP is not running.
11798 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11799 VRP routines do not discover a range.
11800 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11801 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11802 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11803 (tree_expr_nonnegative_p): Similarly.
11804 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11805 (restore_nonzero_vars_to_original_value): Remove.
11806 (unsafe_associative_fp_binop): Remove.
11807 (tree_ssa_dominator_optimize): Remove initialization and
11808 finalization of nonzero_vars and nonzero_vars_stack.
11809 (dom_opt_initialize_block): No longer push marker on
11810 nonzero_vars_stack.
11811 (dom_opt_finalize_block): No longer call
11812 restore_nonzero_vars_to_original_value.
11813 (record_equivalences_from_phis): No longer look for
11814 nonzero PHI arguments.
11815 (cprop_into_successor_phis): No longer propagate nonzero
11816 property into PHI arguments. Lose unused argument. Caller
11818 (record_equivalences_from_stmt): No longer record nonzero
11819 values for SSA_NAMEs.
11820 (lookup_avail_expr): No longer use nonzero_vars.
11822 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11823 for sizetype when sizetype is unsigned.
11825 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11827 PR rtl-optimization/25603
11828 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11829 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11830 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11831 with new meaning of SETS.
11833 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11838 * config/linux.opt: New file.
11839 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11840 LINUX_DYNAMIC_LINKER): Define.
11841 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11842 * config.gcc (*-*-linux*): Define extra_options.
11843 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11844 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11845 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11846 GLIBC_DYNAMIC_LINKER.
11847 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11848 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11849 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11850 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11851 * doc/invoke.texi (GNU/Linux Options): New section.
11853 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11855 * config/sparc/sparc.md (setjmp): Rewrite.
11856 (setjmp_32): Delete.
11857 (setjmp_64): Likewise.
11859 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11861 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11864 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11866 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11869 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11871 PR rtl-optimization/26296
11872 * Makefile.in (loop-invariant.c): Add except.h dependency.
11873 * loop-invariant.c: Include except.h.
11874 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11876 2005-02-16 Paul Brook <paul@codesourcery.com>
11878 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11881 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11883 PR rtl-optimization/25636
11884 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11885 when deciding whether an insn is an initializing insn.
11887 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11889 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11890 (tree_code_size): Ditto.
11891 * tree.h (struct tree_memory_tag): Remove parent_var.
11892 (struct tree_struct_field_tag): New.
11895 (union tree_node): Add sft member.
11896 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11898 (create_sft): Add size and offset argument, set SFT_OFFSET and
11900 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11901 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11902 * tree-flow-inline.h (get_subvar_at): Update for
11903 SFT_OFFSET/SFT_SIZE.
11904 (var_can_have_subvars): Ditto.
11905 (overlap_subvar): Ditto.
11906 * print-tree.c (print_node): Print out interesting things for
11908 * tree-flow.h (struct subvar): Remove offset and size members.
11909 * tree-ssa-operands.c (get_expr_operands): Update for
11910 get_indirect_ref_operands changes.
11911 (get_indirect_ref_operands): Call add_virtual_operand instead of
11912 add_stmt_operand. Only recurse on base var if requested.
11913 (access_can_touch_variable): New function.
11914 (add_stmt_operand): Split virtual operand handling into ...
11915 (add_virtual_operand): Here. Add offset, size, and for_clobber
11916 arguments. Prune alias sets.
11917 (add_call_clobber_ops): Call add_virtual_operand.
11919 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11921 PR middle-end/26300
11922 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11924 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11925 than TREE_CODE as index into omp_clause_num_ops array.
11927 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11929 PR rtl-optimization/26184
11930 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11932 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11933 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11934 must_precede, must_follow and tobe_scheduled.
11937 * opts.c (common_handle_option): Free new_option pointer.
11938 * df-core.c (df_analyze): Free postorder pointer.
11940 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11942 * Makefile.in: Fix the examples about the use of stamps
11944 2006-02-15 Michael Matz <matz@suse.de>
11946 PR middle-end/22275
11948 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11949 influenced by maximum_field_alignment or DECL_PACKED.
11950 (update_alignment_for_field): Ditto.
11951 (place_field): Ditto.
11952 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11955 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11957 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11958 (debug_flow_info): Pass it.
11959 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11960 * bb-reorder.c (reorder_basic_blocks): Likewise.
11961 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11962 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11963 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11964 * gcse.c (gcse_main, bypass_jumps): Likewise.
11965 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11966 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11967 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11968 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11969 * rtl.h (dump_flow_info): Adjust prototype.
11970 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11971 * var-tracking.c (variable_tracking_main): Likewise.
11972 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11973 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11976 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11978 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11981 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11983 PR tree-optimization/26209
11984 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11985 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11987 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11989 2006-02-14 Roger Sayle <roger@eyesopen.com>
11991 PR middle-end/23670
11992 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11993 (X,Y) and the corresponding symmetry related transformations.
11994 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11995 (X,Y) and its symmetry related transformations.
11997 2006-02-14 Roger Sayle <roger@eyesopen.com>
11999 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12002 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12004 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12006 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12009 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12010 support COMDAT group.
12011 * configure: Regenerate.
12013 2006-02-14 Roger Sayle <roger@eyesopen.com>
12015 PR middle-end/26279
12016 PR middle-end/26280
12017 PR middle-end/26283
12018 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12020 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12022 Fix PR tree-optimization/26260
12024 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12026 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12027 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12028 * tree-ssa-structalias.c (create_variable_info_for): Use
12029 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12031 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12033 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12035 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12036 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12037 of the ending condition.
12038 * tree-ssa-loop-manip.c: Include params.h.
12039 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12040 tree_unroll_loop): New functions.
12041 * tree-pass.h (pass_loop_prefetch): Declare.
12042 * loop.c (rest_of_handle_loop_optimize): Test for
12043 -fprefetch-loop-arrays-rtl.
12044 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12045 * timevar.def (TV_TREE_PREFETCH): New timevar.
12046 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12047 pass_loop_prefetch): New.
12048 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12049 (cleanup_tree_cfg_loop): Call scev_reset.
12050 * common.opt (fprefetch-loop-arrays-rtl): Add.
12051 * tree-ssa-loop-prefetch.c: New file.
12052 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12053 (new_temp_expr_table): Initialize expr_vars.
12054 (free_temp_expr_table): Cleanup expr_vars.
12055 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12056 expressions from being merged into one.
12057 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12058 (struct tree_niter_desc): Add control, bound and cmp fields.
12059 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12061 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12062 (tree-cfgcleanup.o): Add SCEV_H dependency.
12063 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12064 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12066 2006-02-14 Richard Guenther <rguenther@suse.de>
12068 PR tree-optimization/26258
12069 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12070 in PHI argument processing.
12072 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12074 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12075 new expression in the requested machine mode.
12077 2006-02-13 Roger Sayle <roger@eyesopen.com>
12079 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12080 directly, instead let do_compare_rtx_and_jump handle this for us.
12081 * expr.c (expand_expr_real_1): Likewise.
12082 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12083 before do_jump_by_parts_greater.
12084 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12085 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12087 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12089 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12091 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12093 PR rtl-optimization/26235
12094 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12095 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12098 2006-02-13 Jeff Law <law@redhat.com>
12100 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12103 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12105 PR middle-end/26092
12106 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12107 twice if decl is a builtin. When trying again, call get_callee_fndecl
12108 first to verify it is still a builtin.
12110 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12112 * dwarf2out.c (base_type_die): Don't add AT_name here.
12113 (subrange_type_die): Don't add AT_name here.
12114 (modified_type_die): Rearrange code flow. Do add AT_name here.
12116 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12118 PR rtl-optimization/26247
12119 PR rtl-optimization/26248
12120 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12122 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12124 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12125 * config/fixtfdi.c: Likewise.
12126 * config/fixunstfdi.c: Likewise.
12127 * config/floatditf.c: Likewise.
12129 2006-02-13 Roger Sayle <roger@eyesopen.com>
12131 PR middle-end/24427
12132 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12133 into (X,C2) if C1 is a subset of the bits of C2. Transform
12134 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12136 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12138 2006-02-13 Josh Conner <jconner@apple.com>
12141 * varasm.c (function_section): Check for section name before
12142 calling select_section on targets that define
12143 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12144 unlikely_text_section instead of hot_function_section if
12145 first_function_block_is_cold.
12147 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12149 PR middle-end/25335
12150 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12152 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12154 PR rtl-optimization/26222
12155 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12156 after tree->rtl expansion.
12157 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12158 before passing it to emit_move_insn.
12160 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12162 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12164 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12165 Clarify documentation.
12166 * c-common.h (warn_write_strings): Remove.
12167 * c-common.c (warn_write_strings): Likewise.
12168 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12171 2006-02-12 Roger Sayle <roger@eyesopen.com>
12173 PR middle-end/25724
12174 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12175 (do_jump_parts_zero_rtx): New function renamed from
12176 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12177 (do_jump_parts_equality_rtx): New function split out from
12178 do_jump_parts_equality. Old implementation renamed as above.
12179 Call do_jump_parts_zero_rtx if either operand is zero.
12180 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12181 do all of the heavy lifting.
12182 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12183 calling either do_jump_by_parts_greater_rtx or
12184 do_jump_by_parts_equality_rtx.
12185 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12186 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12187 moved to do_compare_rtx_and_jump, call it directly.
12188 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12189 mode argument. Call do_compare_rtx_and_jump.
12190 (emit_case_nodes): Update calls to do_jump_if_equal.
12192 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12194 PR rtl-optimization/26225
12195 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12197 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12199 PR rtl-optimization/26232
12200 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12202 2006-02-11 Jason Merrill <jason@redhat.com>
12205 * tree-inline.c (declare_return_variable): Just don't use the
12206 modify target if it's a gimple complex reg and the return slot
12209 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12211 * doc/contrib.texi: Update my entry.
12213 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12215 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12217 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12219 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12222 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12224 * doc/invoke.texi (-floop-optimize2): Removed.
12225 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12226 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12227 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12228 * common.opt (floop-optimize2): Removed.
12229 (fmove-loop-invariants): Enabled by default.
12231 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12233 * tree-if-conv.c (combine_blocks): Free the result of
12234 get_loop_exit_edges.
12236 2006-02-10 Jeff Law <law@redhat.com>
12238 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12240 PR tree-optimization/26213
12241 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12242 loop trying to follow SSA_NAME_VALUE chains.
12244 2006-02-10 Richard Guenther <rguenther@suse.de>
12246 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12247 deal with structures that end in implicitly variable sized arrays.
12249 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12251 PR rtl-optimization/24762
12252 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12255 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12257 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12258 (struct ivopts_data): Add regs_used field.
12259 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12260 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12261 instead of loop_data->regs_used;
12262 (free_loop_data): Do not free aux fields for loops.
12263 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12264 and tree_ssa_iv_optimize_finalize.
12266 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12268 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12270 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12273 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12274 computing the effective result type.
12276 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12278 PR inline-asm/16194
12279 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12280 (tree_overlaps_hard_reg_set): Declare.
12281 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12282 type and signature to match function type expected by walk_tree.
12283 (tree_overlaps_hard_reg_set): New function.
12284 (decl_conflicts_with_clobbers_p): Rename to:
12285 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12286 Use tree_overlaps_hard_reg_set. Changed caller.
12287 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12288 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12289 * cris.c (cris_md_asm_clobbers): Likewise.
12291 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12293 * reload1.c (emit_input_reload_insns): Delete code that tries to
12294 inherit using find_equiv_reg.
12296 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12298 * c-common.h (flag_const_strings): Don't declare.
12299 * c-common.c (flag_const_strings): Remove.
12300 * c.opt (fconst_strings): Remove.
12301 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12302 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12303 (c_common_init_options): Don't set flag_const_strings.
12304 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12306 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12308 * arm.md (tlobits_cbranch): New pattern.
12309 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12310 testing a single bit.
12312 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12315 * tree-ssa-pre.c (create_component_ref_by_pieces):
12316 Handle RETURN_DECL like VAR_DECL.
12318 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12320 PR middle-end/26134
12321 * fold-const.c (fold_indirect_ref_1): Fold
12322 "*(foo *)&complexfoo" to "__real__ complexfoo"
12323 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12325 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12327 * tree-flow-inline.h (var_can_have_subvars):
12328 Volatile variables should not have subvariables.
12330 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12333 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12334 multiplying unsigned values.
12337 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12339 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12341 2006-02-08 Jason Merrill <jason@redhat.com>
12344 * tree.def: Elaborate on difference from MODIFY_EXPR.
12345 * doc/c-tree.texi (INIT_EXPR): Likewise.
12346 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12347 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12348 (gimplify_target_expr): Likewise.
12349 (gimplify_cond_expr): Remove target handling.
12350 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12351 (gimplify_expr): Clobber it here.
12352 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12353 Do return slot optimization if we have an INIT_EXPR.
12356 * tree-inline.c (declare_return_variable): Also clear
12357 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12360 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12362 PR middle-end/22439
12363 * gimplify.c (gimplify_one_sizepos): Fix typo.
12365 2006-02-08 Jeff Law <law@redhat.com>
12367 PR tree-optimization/21417
12368 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12369 across a backedge if the control statement at the end of the
12370 block is data dependent on other statements in the same block.
12371 (record_temporary_equivalences_from_stmts): Remove over-conservative
12372 test for threading across backedges.
12374 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12375 control statement, handle all three special cases in the same
12376 manner as they all have the same desired solution. No longer
12377 special case edge flag updating when the post dominator is
12380 2006-02-08 Roger Sayle <roger@eyesopen.com>
12382 * tree.def (CHAR_TYPE): Remove.
12383 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12384 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12385 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12386 (gen_string_type_die): Delete unreachable function.
12388 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12389 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12390 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12391 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12392 * builtins.c (type_to_class): Likewise.
12393 * fold-const.c (fold_convert, build_range_check,
12394 merge_ranges): Likewise.
12395 * expr.c (count_type_elements): Likewise.
12396 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12397 * stor-layout.c (layout_type): Likewise.
12398 * ipa-type-escape.c (type_to_consider): Likewise.
12399 * gimplify.c (omp_firstprivatize_type_sizes,
12400 gimplify_type_sizes): Likewise.
12401 * explow.c (promote_mode): Likewise.
12402 * tree-sra.c (is_sra_scalar_type): Likewise.
12403 * varasm.c (output_constant): Likewise.
12404 * tree-inline.c (remap_type_1): Likewise.
12405 * convert.c (convert_to_pointer, convert_to_real,
12406 convert_to_integer, convert_to_complex): Likewise.
12408 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12410 * df-scan.c (df_def_record_1): A set destination may
12411 be a parallel regardless of mode.
12413 2006-02-08 Roger Sayle <roger@eyesopen.com>
12416 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12417 * config/mips/_tilib.c: Remove.
12418 * config/fixtfdi.c: New libgcc source file.
12419 * config/fixunstfdi.c: New source file.
12420 * config/floatditf.c: New source file.
12421 * config/floatunditf.c: New souce file.
12422 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12423 files above instead of config/mips/_tilib.c.
12424 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12426 2006-02-08 Jeff Law <law@redhat.com>
12428 PR tree-optimization/26169
12429 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12432 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12434 * df.h (DF_REG_SIZE): Return the length of the initialized
12437 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12439 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12440 __muldf3): Return a correctly signed zero.
12442 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12444 * passes.c (register_one_dump_file): Accept the current properties
12445 instead of pass number. Adjust call to dump_register. Remove
12447 (register_dump_files): Now a wrapper around...
12448 (register_dump_files_1): ... this one. Do not modify the pass
12450 (next_pass_1): Cosmetic fix.
12451 (execute_todo): Keep second parameter only. Use curr_properties
12452 instead of fetching it from the pass structure. Check and set
12454 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12455 instead of fetching it from the pass structure. Fix calls to
12456 execute_todo. Update curr_properties and initialize .vcg RTL dump
12457 after running the pass. Reset last_verified.
12458 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12460 (FIRST_AUTO_NUMBERED_DUMP): New.
12461 (dump_register): Remove "num" parameter, assign it within the
12463 (get_dump_file_name): Modify template for dumps.
12464 * tree-dump.h (dump_register): Adjust prototype.
12465 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12466 (PROP_trees): Add PROP_gimple_lomp.
12467 (TODO_set_props): New.
12468 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12469 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12470 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12472 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12474 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12475 (sparc64-*-linux*): Likewise.
12476 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12477 * config/sparc/t-linux: New file.
12478 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12479 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12480 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12481 -m32 -mlong-double-128.
12483 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12484 * config/alpha/t-linux: New file.
12485 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12487 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12488 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12489 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12490 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12491 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12492 (CPP_ARCH32_SPEC): Remove.
12494 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12496 PR tree-optimization/26145
12497 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12500 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12503 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12504 >= 240000 when generating code for SOM runtime.
12505 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12506 to $$dyncall when generating code for SOM runtime..
12508 2006-02-07 Dirk Mueller <dmueller@suse.com>
12511 * doc/invoke.texi (-Wsequence-point): Update documentation
12512 that -Wsequence-point is implemented for C++ as well.
12514 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12516 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12517 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12518 (LIB_SPEC): Likewise.
12519 * doc/invoke.texi (SPARC options): Document -pthread.
12521 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12523 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12526 2006-02-07 Roger Sayle <roger@eyesopen.com>
12528 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12529 Correct comment describing BOOLEAN_TYPE.
12531 2006-02-07 Dirk Mueller <dmueller@suse.com>
12533 * c.opt: C++ frontend supports -Wdiv-by-zero.
12534 * c-opts.c (c_common_handle_option): Remove dead case.
12536 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12538 * configure.ac (TLS assembler check): Do not enable TLS by
12539 default on SPARC/Solaris before version 10.
12540 * configure: Regenerate.
12542 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12544 * doc/invoke.texi (xl-compat): Document conversion and support
12547 2006-02-07 Jeff Law <law@redhat.com>
12549 * tree-vrp.c (find_conditional_asserts): Update comments.
12550 (simplify_stmt_for_jump_threading): New.
12551 (identify_jump_threads, finalize_jump_threads): New.
12552 (vrp_finalize): Call identify_jump_threads.
12553 (execute_vrp): Call finalize_jump_threads.
12554 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12555 (vrp_element, vrp_data, vrp_element_p): Remove.
12556 (vrp_hash_elt, vrp_variables_stack): Remove.
12557 (vrp_hash, vrp_eq, record_range): Remove.
12558 (simplify_cond_and_lookup_avail_expr): Remove.
12559 (extract_range_from_cond): Remove.
12560 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12561 (simplify_stmt_for_jump_threading): New.
12562 (dom_thread_across_edge): New wrapper.
12563 (tree_ssa_dominator_optimize): No longer initialize or
12564 finalize any of the VRP datastructures. Remove iteration
12565 step and simplify as a result of removal of iteration step.
12566 (pass_dominator): Perform a cfg cleanup after DOM.
12567 (dom_opt_finalize_block): Use the new common routines
12568 for threading jumps. Simplify stack management slightly.
12569 No longer need to unwind VRP state.
12570 (record_equivalences_from_incoming_edge): No longer record
12572 (eliminate_redundant_computations): No longer call
12573 simplify_cond_and_lookup_avail_expr.
12574 * tree-flow.h (potentially_threadable_block): Prototype.
12575 (thread_across_edge): Likewise.
12576 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12577 (tree-ssa-threadedge.o): Add dependencies.
12578 * tree-ssa-threadedge.c: New file.
12579 * passes.c (init_optimization_passes): Merge PHIs before
12580 calling VRP. Run VRP again late in the SSA optimization pipeline.
12582 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12584 * df-core.c (df_set_blocks): Do not dereference function pointers.
12585 (df_finish1): Likewise.
12586 (df_hybrid_search_forward): Likewise.
12587 (df_hybrid_search_backward): Likewise.
12588 (df_iterative_dataflow): Likewise.
12589 (df_analyze_problem): Likewise.
12590 (df_compact_blocks): Likewise.
12591 (df_dump): Likewise.
12592 * df-scan.c (df_rescan_blocks): Likewise.
12593 (df_record_entry_block_defs): Likewise.
12595 * genconditions.c (write_conditions): Guard the definition of
12596 'insn_conditions' with the check on GCC version.
12597 (write_writer): Guard the traversal 'insn_conditions' with
12598 the check on GCC version.
12600 2006-02-07 Richard Guenther <rguenther@suse.de>
12604 2006-01-30 Richard Guenther <rguenther@suse.de>
12606 * gimplify.c (gimplify_target_expr): Handle easy cases
12607 without creating a temporary.
12609 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12611 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12612 use of float in probability computations. Use edge probabilities
12613 in place of statically computed probabilities.
12614 (min_spec_prob): New static variable.
12615 (schedule_insns): Initialize it.
12616 (GET_SRC_PROB): Removed.
12617 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12619 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12622 * config/ia64/unwind-ia64.c: Revert last change.
12623 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12624 (INCOMING_FRAME_SP_OFFSET): Define.
12626 2006-02-06 Roger Sayle <roger@eyesopen.com>
12628 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12630 2006-02-07 Ben Elliston <bje@au.ibm.com>
12632 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12633 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12634 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12635 (ix86_return_in_memory): Handle TDmode.
12636 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12637 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12639 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12641 * reorg.c (dbr_schedule): Use dump_file instead of file.
12643 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12646 * config/ia64/predicates.md (extr_len_operand): New predicate.
12647 * config/ia64/ia64.md (extv): Tighten constraints.
12649 (*tbit_and_2): Ditto.
12650 (*tbit_and_3): Ditto.
12651 (*tbit_or_2): Ditto.
12652 (*tbit_or_3): Ditto.
12653 (*bit_zero): Ditto.
12656 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12659 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12661 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12663 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12664 loop_optimizer_init and loop_optimizer_finalize
12665 * tree-ssa-sink.c (execute_sink_code): Ditto.
12666 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12667 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12668 tree_ssa_loop_done): Ditto.
12669 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12670 * sched-ebb.c: Include output.h.
12671 (schedule_ebbs): Do not use dump argument.
12672 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12673 * loop.c (loop_dump_stream): Removed.
12674 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12676 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12677 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12678 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12679 loop_iterations, strength_reduce, record_biv, record_giv,
12680 final_giv_value, check_final_value, check_ext_dependent_givs,
12681 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12682 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12683 dump_file instead of loop_dump_stream.
12684 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12685 argument dump_file.
12686 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12688 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12689 * haifa-sched.c: Include output.h
12690 (schedule_insns, sched_init): Do not use dump argument.
12691 * mode-switching.c (optimize_mode_switching): Ditto.
12692 * modulo-sched.c (stats_file): Removed.
12693 (print_node_sched_params): Do not call argument dump_file.
12694 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12695 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12697 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12699 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12700 rtl_loop_init, rtl_loop_done): Ditto.
12701 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12702 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12704 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12705 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12706 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12707 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12708 * emit-rtl.c (renumber_insns): Ditto.
12709 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12710 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12711 * regclass.c (regclass): Ditto.
12712 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12713 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12714 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12715 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12717 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12718 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12720 * gcse.c (gcse_file, debug_stderr): Removed.
12721 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12722 rest_of_handle_gcse): Do not use dump argument.
12723 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12724 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12725 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12726 compute_code_hoist_vbeinout, compute_code_hoist_data,
12727 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12728 compute_store_table, build_store_vectors, insert_insn_start_bb,
12729 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12730 store_motion): Use dump_file instead of gcse_file.
12731 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12732 * profile.c (profile_dump_file): Removed.
12733 (branch_prob): Use dump_file instead of profile_dump_file.
12734 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12736 * tree-ssa-copy.c (dump_copy_of): Ditto.
12737 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12738 dump file to life_analysis.
12739 * bt-load.c (branch_target_load_optimize): Ditto.
12740 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12742 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12743 regclass, dbr_schedule): Declaration changed.
12744 * sched-int.h (sched_init): Declaration changed.
12745 * tree-profile.c (tree_profile_dump_file): Removed.
12746 (tree_profile_hooks): Removed profile_dump_file hook.
12747 * rtl-profile (rtl_profile_dump_file): Removed.
12748 (rtl_profile_hooks): emoved profile_dump_file hook.
12749 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12751 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12752 * tree-cfg.c (build_tree_cfg): Ditto.
12753 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12754 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12755 Declaration changed.
12756 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12757 life_analysis and schedule_insns.
12758 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12760 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12762 * config/mips/mips.c (mips_reorg): Ditto.
12763 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12766 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12768 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12769 (s390_mangle_fundamental_type): New.
12770 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12773 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12774 (alpha_mangle_fundamental_type): New.
12775 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12778 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12780 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12782 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12783 (sparc_mangle_fundamental_type): New.
12785 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12787 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12788 (s390x-*-linux*): Likewise.
12789 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12790 * config/s390/t-linux: New file.
12792 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12794 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12795 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12797 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12799 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12800 (ANTIC_SAFE_LOADS): New macro.
12801 (find_or_generate_expression): Add prototype.
12802 (set_contains_value): Allow null set for sake of not always having
12803 to allocate ANTIC_SAFE_LOADS.
12804 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12805 Allow COMPONENT_REF too.
12806 (valid_in_set): Allow COMPONENT_REF.
12807 Check ANTIC_SAFE_LOADS too.
12808 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12809 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12811 (can_PRE_operation): Add COMPONENT_REF.
12812 (create_component_ref_by_pieces): New function.
12813 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12814 (insert_aux): Move AGGREGATE_TYPE_P check here.
12815 (compute_avail): Set bb local stmt uids.
12816 (pass_pre): Use TODO_update_ssa_only_virtuals.
12818 2006-02-06 Ben Elliston <bje@au.ibm.com>
12820 * configure.ac: Unconditionally disable decimal float by default.
12821 * configure: Regenerate.
12823 2006-02-06 Ben Elliston <bje@au.ibm.com>
12825 * read-rtl.c (read_name): Terminate reading on EOF.
12827 2006-02-06 Ben Elliston <bje@au.ibm.com>
12829 * dfp.c (decimal_real_arithmetic): Change second argument type
12830 from int to enum tree_code. Do not always return true, but now
12831 return result of any call to decimal_do helper functions.
12832 * dfp.h (decimal_real_arithmetic): Update prototype.
12834 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12836 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12838 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12841 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12844 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12846 * tree-vrp.c (cfg_loops): Removed.
12847 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12848 Use current_loops instead of cfg_loops. Pass flags to
12849 loop_optimizer_init.
12850 * cfgloopmanip.c (fix_loop_structure): Update only available
12852 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12853 loop_optimizer_init.
12854 * modulo-sched.c (build_loops_structure): Removed.
12855 (sms_schedule): Use loop_optimizer_init.
12856 * loop-init.c (loop_optimizer_init): Use flags to determine
12857 which properties of loops to prepare.
12858 (rtl_loop_init): Pass flags to loop_optimizer_init.
12859 * tree-ssa-sink.c (execute_sink_code): Ditto.
12860 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12861 * tree-ssa-pre.c (init_pre): Ditto.
12862 * cfgloop.h (LOOPS_NORMAL): New.
12863 (loop_optimizer_init): Declaration changed.
12865 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12867 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12868 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12870 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12872 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12874 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12875 * pa/t-pa64: Delete quadlib.c rule.
12876 * pa/x-ada: Revert last change.
12877 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12879 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12881 PR rtl-optimization/26087
12882 * rtlanal.c (canonicalize_condition): Do not cross basic block
12885 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12888 * config/ia64/ia64.c: Include debug.h.
12889 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12890 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12891 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12892 (process_epilogue, process_set, process_for_unwind_directive):
12893 Output unwind info only if requested. Add CFA info if requested.
12894 Add new arguments as needed. Adjust callers.
12895 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12897 (DWARF2_FRAME_INFO): Define to zero.
12898 * config/ia64/unwind-ia64.c: Remove code that compensated for
12899 the CFA offset error fixed above.
12900 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12901 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12902 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12903 -funwind-tables and -fexceptions to enable frame info.
12904 (dwarf2out_frame_init): Define initial CFA even if
12905 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12906 DWARF2_UNWIND_INFO is nonzero, not just defined.
12907 (dwarf2out_frame_finish): Output non-EH call frame info only
12908 if DWARF2_FRAME_INFO is nonzero.
12909 (convert_cfa_to_loc_list,
12910 compute_frame_pointer_to_cfa_displacement): Define even if
12911 unwind info is not supported.
12912 (gen_subprogram_die): Use the above unconditionally. Remove
12913 legacy alternate code.
12914 * toplev.c (compile_file): Compile in call to
12915 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12916 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12918 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12919 Jakub Jelinek <jakub@redhat.com>
12921 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12922 IBM extended float format long double as "g" on powerpc*-linux.
12924 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12927 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12928 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12930 2006-02-03 Jason Merrill <jason@redhat.com>
12933 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12935 PR middle-end/25977
12936 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12937 on the return slot if it's an NRV.
12939 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12941 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12942 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12943 rewrite_use): Do not handle USE_OUTER.
12944 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12945 add_iv_outer_candidates, may_replace_final_value,
12946 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12947 (find_interesting_uses_op): Functionality of
12948 find_interesting_uses_outer_or_nonlin moved here.
12949 (find_interesting_uses_outside): Use find_interesting_uses_op.
12951 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12954 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12956 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12957 Ulrich Weigand <uweigand@de.ibm.com>
12960 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12961 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12962 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12963 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12965 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12966 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12967 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12968 Define secondary reloads for TFmode moves.
12969 (constant_modes): Add TFmode.
12970 (NR_C_MODES): Set to 8.
12971 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12973 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12974 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12975 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12976 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12977 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12978 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12979 (FPR mode macro): Add TFmode.
12980 (DSF mode macro): New.
12981 (<de>, <dee> mode attributes): Removed.
12982 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12983 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12984 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12985 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12986 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12987 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12988 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12989 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12990 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12991 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12992 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12993 "*negabs<mode>2", "sqrt<mode>2"):
12994 Changed <de> to <xde>. R constraint replaced by <Rf>.
12995 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12997 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12998 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12999 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13001 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13002 "extenddftf2", "extendsftf2"): New expanders.
13003 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13004 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13005 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13006 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13008 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13009 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13010 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13011 __floatditf): Add a GCC_4.1.0 symbol version tag.
13012 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13015 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13018 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13019 Use targetm.binds_local_p instead of TREE_PUBLIC.
13021 2006-02-02 Roger Sayle <roger@eyesopen.com>
13023 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13024 on INTEGER_TYPEs to indicate that it denotes a character type.
13025 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13026 signed_char_type_node, unsigned_char_type_node and char_type_node.
13027 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13028 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13029 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13031 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13032 Daniel Berlin <dberlin@dberlin.org>
13034 * tree-tailcall.c (arg_needs_copy_p): New function.
13035 (eliminate_tail_call): Use arg_needs_copy_p.
13036 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13037 (add_virtual_phis): New function.
13039 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13041 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13042 #ignore instead of #scratch for %g7 .register directive.
13044 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13046 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13049 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13051 * flow.c (calculate_global_regs_live): Assert that there aren't any
13054 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13056 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13057 what its name says.
13058 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13059 bsi_after_labels iterator.
13060 * tree-if-conv.c (find_phi_replacement_condition,
13061 replace_phi_with_cond_modify_expr): Likewise.
13062 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13063 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13065 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13067 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13069 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13072 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13073 array after growing it.
13075 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13077 PR middle-end/24901
13078 * fold-const.c (fold_checksum_tree): Change type of buf.
13080 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13082 * reload.c (push_secondary_reload): Initialize t_icode.
13084 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13086 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13087 -msoft-float -mlong-double-128 only issue a warning, but don't
13088 swich to DFmode long double.
13090 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13092 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13093 has a constant equivalent, iterate over equivalents for arg0,
13094 calling simplify_relational_operation and if there's a result
13095 cheaper than X, apply fold_rtx and return the result.
13097 2006-02-01 Jan Hubicka <jh@suse.cz>
13099 * opts.c (no_unit_at_a_time_default): New global variable.
13100 (decode_options): Use it.
13101 * opts.h (no_unit_at_a_time_default): Declare.
13103 2006-02-01 Paul Brook <paul@codesourcery.com>
13105 * function.c (assign_parm_setup_reg): Use function argument promotion
13107 * expr.c (expand_expr_real_1): Use function argument promotion rules
13110 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13112 * gcc.c (process_command): Change j to 'unsigned int'.
13114 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13116 PR middle-end/26001
13117 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13118 Use the corrected index for the character
13119 out of the string constant.
13121 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13123 * mode-switching.c (optimize_mode_switching): Fix size
13124 allocated for bb_info[n_entities].
13126 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13128 * gcc.c (main): Correct type that is allocated for
13129 explicit_link_files.
13131 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13133 * config/s390/s390.c (init_alignment_context): Set
13134 ALIAS_SET_MEMORY_BARRIER on the MEM.
13135 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13137 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13139 PR middle-end/25933
13140 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13142 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13145 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13147 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13148 * regrename.c: Ditto.
13149 * tree-ssa-loop-im.c: Ditto.
13150 * tree-dump.c: Ditto.
13151 * tree-complex.c: Ditto.
13152 * genrecog.c: Ditto.
13153 * tree-ssa-threadupdate.c: Ditto.
13155 * java/class.c: Ditto.
13156 * java/jcf-parse.c: Ditto.
13157 * java/resource.c: Ditto.
13158 * java/except.c: Ditto.
13159 * java/jvspec.c: Ditto.
13160 * java/jcf-write.c: Ditto.
13161 * java/jcf-path.c: Ditto.
13162 * java/gjavah.c: Ditto.
13163 * java/zextract.c: Ditto.
13164 * java/jcf-io.c: Ditto.
13165 * java/jcf.h: Ditto.
13166 * java/buffer.c: Ditto.
13167 * java/lang.c: Ditto.
13168 * java/parse-scan.y: Ditto.
13169 * java/lex.c: Ditto.
13170 * java/lex.h: Ditto.
13171 * cfgloopmanip.c: Ditto.
13172 * postreload-gcse.c: Ditto.
13173 * tree-ssa-loop-manip.c: Ditto.
13174 * postreload.c: Ditto.
13175 * tree-ssa-loop-ch.c: Ditto.
13178 * cppspec.c: Ditto.
13179 * diagnostic.c: Ditto.
13181 * genoutput.c: Ditto.
13183 * cfghooks.c: Ditto.
13184 * cfgloopanal.c: Ditto.
13185 * objc/objc-act.c: Ditto.
13187 * genextract.c: Ditto.
13188 * genautomata.c: Ditto.
13189 * pretty-print.c: Ditto.
13190 * genemit.c: Ditto.
13191 * cgraphunit.c: Ditto.
13193 * df-scan.c: Ditto.
13194 * haifa-sched.c: Ditto.
13195 * dominance.c: Ditto.
13197 * tree-ssa-loop-ivopts.c: Ditto.
13198 * df-core.c: Ditto.
13199 * mode-switching.c: Ditto.
13200 * modulo-sched.c: Ditto.
13202 * ipa-pure-const.c: Ditto.
13204 * fix-header.c: Ditto.
13206 * tree-stdarg.c: Ditto.
13207 * ipa-utils.c: Ditto.
13208 * loop-init.c: Ditto.
13209 * ipa-inline.c: Ditto.
13210 * cfganal.c: Ditto.
13212 * alloc-pool.c: Ditto.
13213 * dwarf2out.c: Ditto.
13215 * genattrtab.c: Ditto.
13216 * tree-ssa-loop-ivcanon.c: Ditto.
13217 * predict.c: Ditto.
13218 * timevar.c: Ditto.
13220 * fortran/gfortranspec.c: Ditto.
13221 * regmove.c: Ditto.
13222 * local-alloc.c: Ditto.
13223 * langhooks.c: Ditto.
13224 * function.c: Ditto.
13225 * tree-vectorizer.c: Ditto.
13227 * ipa-type-escape.c: Ditto.
13229 * tree-if-conv.c: Ditto.
13230 * profile.c: Ditto.
13232 * tree-data-ref.c: Ditto.
13233 * loop-unroll.c: Ditto.
13234 * treelang/treetree.c: Ditto.
13236 * bt-load.c: Ditto.
13237 * ggc-common.c: Ditto.
13239 * coverage.c: Ditto.
13241 * tree-cfgcleanup.c: Ditto.
13242 * tree-ssa-pre.c: Ditto.
13243 * cfgcleanup.c: Ditto.
13244 * loop-invariant.c: Ditto.
13245 * loop-iv.c: Ditto.
13246 * ipa-prop.c: Ditto.
13247 * print-tree.c: Ditto.
13248 * conflict.c: Ditto.
13249 * ggc-page.c: Ditto.
13250 * sched-deps.c: Ditto.
13251 * regclass.c: Ditto.
13252 * tree-object-size.c: Ditto.
13253 * combine.c: Ditto.
13254 * bb-reorder.c: Ditto.
13255 * resource.c: Ditto.
13256 * var-tracking.c: Ditto.
13257 * cfgloop.c: Ditto.
13258 * df-problems.c: Ditto.
13259 * reg-stack.c: Ditto.
13261 * gccspec.c: Ditto.
13262 * sched-rgn.c: Ditto.
13263 * tree-ssa-structalias.c: Ditto.
13264 * tree-ssa-reassoc.c: Ditto.
13265 * config/darwin-c.c: Ditto.
13266 * config/darwin.c: Ditto.
13267 * config/arm/arm.c: Ditto.
13269 * collect2.c: Ditto.
13270 * reload1.c: Ditto.
13272 2006-01-31 Nicolas Pitre <nico@cam.org>
13274 * arm.md (smaxsi3): Make aware of smax_m1.
13277 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13279 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13281 2006-01-31 Richard Guenther <rguenther@suse.de>
13283 * doc/invoke.texi (-msselibm): Document.
13284 * target.h (expand_library_builtin): New target hook.
13285 * builtins.c (expand_builtin): Use expand_library_builtin.
13286 (default_expand_library_builtin): New function.
13287 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13288 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13289 (link_gcc_math_spec): Declare.
13290 (static_specs): Add link_gcc_math_spec.
13291 * expr.h (default_expand_library_builtin): Declare.
13292 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13293 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13294 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13295 * config/i386/i386.opt (msselibm): New target option.
13296 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13297 (ix86_init_sse_abi_builtins): New function.
13298 (ix86_expand_library_builtin): Likewise.
13299 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13300 (override_options): Handle error conditions wrt -msselibm.
13301 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13302 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13303 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13306 2006-01-31 Richard Guenther <rguenther@suse.de>
13307 Paolo Bonzini <bonzini@gnu.org>
13309 * doc/install.texi (--disable-libgcc-math): Document.
13311 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13313 * expr.h (expand_normal): new inline function.
13314 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13315 * dojump.c: use it.
13316 * dwarf2out.c: use it.
13319 * expmed.c: use it.
13320 * except.c: use it.
13321 * config/sparc/sparc.c: use it.
13322 * config/i386/i386.c: use it.
13323 * config/rs6000/rs6000.c: use it.
13324 * config/arm/arm.c: use it.
13325 * config/mips/mips.c: use it.
13326 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13328 2006-01-30 Roger Sayle <roger@eyesopen.com>
13330 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13331 argv to the appropriate type.
13333 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13335 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13338 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13341 * config/s390/s390.c (struct machine_function): New flag
13342 decomposed_literal_pool_addresses_ok_p.
13343 (s390_reorg): Set it before final stage of literal pool transforms.
13344 (s390_decompose_address): Only accept displacements of the form
13345 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13347 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13349 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13350 the comparison routine return.
13352 2006-01-30 Michael Matz <matz@suse.de>
13354 * global.c (find_reg): Only evict for global regs.
13355 Take n_refs into account and dump more info.
13357 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13360 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13361 (pragma_trap, pragma_nosave_low_regs): Likewise.
13362 (current_function_anonymous_args): Likewise.
13363 (sh_deferred_function_attributes): New variable.
13364 (sh_deferred_function_attributes_tail): Likewise.
13365 (print_operand): For '@', look up trap_exit attribute.
13366 (calc_live_regs): Look up trapa_handler attribute. For trapa
13367 handlers, save/restore fpscr, but don't do any other
13368 interrupt-specific saves.
13369 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13370 Fix check for partially saved registers to check for SHmedia.
13371 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13372 (sh_output_function_epilogue): Don't clear any of the removed
13374 (sh_insert_attributes): Don't check pragma_interrupt.
13375 Insert deferred attributes. Check that interrupt attribute is
13376 present for other attributes that require its presence.
13377 (sh_attribute_table): Add new attributes trapa_handler and
13379 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13380 Don't check for pragma_interrupt. Don't store argument.
13381 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13382 (sh_deferred_function_attributes): Declare.
13383 (sh_deferred_function_attributes_tail): Likewise.
13384 * sh.md (sp_switch_1): Add operand. Change generator caller.
13385 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13386 (*return_i): Don't use when trap_exit attribute is in effect.
13387 (*return_trapa): New insn pattern.
13388 * sh-c.c: New file.
13389 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13390 setting c_target_objs and cxx_target_objs.
13391 * t-sh: Add rule for sh-c.o.
13393 2006-01-30 Richard Guenther <rguenther@suse.de>
13396 * gimplify.c (gimplify_target_expr): Handle easy cases
13397 without creating a temporary.
13399 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13401 * vec.h (safe_grow): Remove duplicated line.
13403 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13406 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13407 (expand_omp): ... here.
13408 (expand_omp_parallel): Only remove barriers for combined
13409 parallel+workshare constructs.
13411 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13415 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13416 * tree.c (build_qualified_type): Chain the new type to the original
13417 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13418 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13419 (build_pointer_type_for_mode): Only return unqualified types.
13420 (build_reference_type_for_mode): Likewise.
13422 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13424 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13425 * Makefile.in (CXX_COMPAT_WARN): Define.
13426 * configure: Regenerate.
13428 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13431 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13434 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13436 * toplev.c: Fix thinko.
13438 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13439 Marcin Dalecki <martin@dalecki.de>
13441 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13442 (push_srcloc): Use XNEW.
13443 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13445 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13447 * df-core.c (df_set_blocks): Deleted all variable.
13449 2006-01-28 Ian Lance Taylor <ian@airs.com>
13451 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13452 cgraph_output_pending_asms.
13454 2006-01-28 Zack Weinberg <zackw@panix.com>
13456 * c.opt: Add -W(no-)overlength-strings.
13457 * doc/invoke.texi: Document it.
13458 * c-opts.c (c_common_handle_option): -pedantic implies
13459 -Woverlength-strings, if not explicitly disabled already.
13460 (c_common_post_options): -Woverlength-strings defaults to off, and
13461 is always off for C++.
13462 * c-common.c (fix_string_type): Issue warning about strings longer
13463 than is portable only if warn_overlength_strings. Rearrange code
13464 a little for clarity.
13465 * configure.in: Check for -Wno-overlength-strings as well before
13466 enabling -pedantic in stage 1.
13467 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13468 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13470 * genconditions.c (write_header, write_one_condition)
13471 (write_conditions, write_writer): Consolidate very long strings
13472 that were broken up to fit in C89 portable limit. Don't use
13473 printf when fputs will do.
13475 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13477 * combine.c (simplify_comparison <AND>): Check
13478 TRULY_NOOP_TRUNCATION before start using a subreg.
13480 * config/mips/mips.md (*branch_zero<mode>,
13481 *branch_zero<mode>_inverted, *branch_equality<mode>,
13482 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13483 Remove mode check from comparisons.
13485 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13487 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13489 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13491 * expmed.c (const_mult_add_overflow_p): Remove.
13492 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13494 * recog.c (validate_replace_rtx_subexp): Remove.
13495 * recog.h: Remove the prototype for
13496 validate_replace_rtx_subexp.
13498 * integrate.h: Remove the prototype for
13499 copy_decl_for_inlining.
13500 * rtl.h: Remove the prototype for mark_constant_function.
13501 * tree-vectorizer.h: Remove the prototype for
13502 vect_strip_conversion.
13504 * modulo-sched.c (create_partial_schedule,
13505 free_partial_schedule, reset_partial_schedule): Make them
13508 * hooks.c (hook_bool_rtx_int_false): Remove.
13509 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13511 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13513 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13514 and -mlong-double-128 are incompatible.
13515 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13516 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13517 (TARGET_LIBGCC2_CFLAGS): Define.
13518 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13519 (TARGET_LIBGCC2_CFLAGS): Same.
13520 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13522 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13525 * c-typeck.c (build_binary_op): Perform implicit casts of
13526 operands before shortening them.
13528 * cfgloopmanip.c (split_loop_bb): Remove.
13529 * cfgloop.h: Remove the prototype for split_loop_bb.
13531 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13532 * cfgloop.h: Remove the prototype for
13533 flow_loop_outside_edge_p.
13535 * emit-rtl.c (init_virtual_regs): Make it static.
13536 * function.h: Remove the prototype for init_virtual_regs.
13538 * recog.c (peephole2_optimize): Make it static.
13539 * recog.h: Remove the prototype for peephole2_optimize.
13541 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13543 * df-scan.c (df_record_entry_block_defs): Check if
13544 INCOMING_RETURN_ADDR_RTX is defined.
13546 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13547 Kenneth Zadeck <zadeck@naturalbridge.com>
13549 PR rtl-optimization/24762
13550 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13551 * targhooks.c (hook_void_bitmap): New hook prototype.
13552 * targhoohs.h (hook_void_bitmap): Ditto.
13553 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13554 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13555 * target.h (live_on_entry): New function pointer.
13556 * df-scan.c (df_all_hard_regs): Removed.
13557 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13558 (df_scan_free_internal): Added df->entry_block_defs.
13559 (df_scan_alloc): Ditto.
13560 (df_scan_dump): Ditto.
13561 (df_uses_record): Plumbed flag field properly thru calls.
13562 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13563 This part fixes PR24762.
13564 (df_bb_refs_record): Added code to make the frame and arg
13565 pointers live in EH blocks.
13566 (df_refs_record): Added call to df_record_entry_block_defs.
13567 (df_record_entry_block_defs): New function.
13568 * df-core.c: Added comments to describe new artifical defs.
13569 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13570 (entry_block_defs): New field in struct df.
13571 (df_all_hard_regs): Deleted.
13572 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13573 * df-problems.c (df_ru_bb_local_compute_process_def):
13574 Added code to handle artifical defs in the entry to a function.
13575 (df_ru_bb_local_compute): Ditto.
13576 (df_rd_bb_local_compute_process_def): Ditto.
13577 (df_rd_bb_local_compute): Ditto.
13578 (df_lr_bb_local_compute): Ditto.
13579 (df_ur_bb_local_compute): Ditto.
13580 (df_urec_bb_local_compute): Ditto.
13581 (df_chain_create_bb): Ditto.
13582 (df_ur_local_finalize): Removed entry.
13583 (df_urec_init): Ditto.
13584 (df_urec_local_finalize): Ditto.
13585 (df_ri_bb_compute): Added detection of last use of pseudos.
13586 * Makefile.in (df-scan.o): Updated dependencies.
13587 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13588 * config/mips/mips.c (mips_set_live_on_entry): Added.
13589 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13591 * dce.c (marked_insn_p): Added code to handle artifical defs.
13593 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13595 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13597 (_mm_cvtsi128_si64): Likewise.
13598 (_mm_cvtsd_si64): Likewise.
13599 (_mm_cvttsd_si64): Likewise.
13600 (_mm_cvtsi64_sd): Likewise.
13601 (_mm_cvtsi64_si128): Likewise.
13602 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13603 (_mm_cvtsi64_m64): Likewise.
13604 (_m_to_int64): Likewise.
13605 (_mm_cvtm64_si64): Likewise.
13606 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13607 (_mm_cvttss_si64): Likewise.
13608 (_mm_cvtsi64_ss): Likewise.
13609 (_mm_cvtss_f32): Likewise.
13611 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13613 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13614 for pragma redefine_extname.
13616 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13619 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13620 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13621 -mno-minimal-toc to previous content.
13622 (bispecs): Remove goal.
13623 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13624 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13625 compatibility aliases on powerpc-*-*gnu*.
13626 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13627 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13628 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13629 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13630 (ldblspecs): New goal.
13631 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13632 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13634 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13635 L_sf_to_tf or L_df_to_tf is defined.
13637 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13638 Alan Modra <amodra@bigpond.net.au>
13641 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13642 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13643 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13644 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13645 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13646 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13647 (rs6000_override_options): Initialize rs6000_ieeequad.
13648 Initialize TFmode format to ibm_extended_format if not
13650 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13652 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13653 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13654 (function_arg_advance): IBM long double passed in two FPRs, not
13656 (function_arg): IBM long double passed in FPRs.
13657 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13658 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13659 Only multireg GPR aligned.
13660 (rs6000_init_libfuncs): Enable IBM long double functions if not
13662 (rs6000_generate_compare): Use IBM long double compare if not
13664 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13665 (TARGET_IEEEQUAD): Define.
13666 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13667 not TARGET_IEEEQUAD.
13668 * config/rs6000/rs6000.md: Enable TFmode patterns if
13670 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13671 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13672 and -mlong-double-128 are incompatible.
13673 * doc/invoke.texi (-mabi): Collect options together. Add
13674 ibmlongdouble and ieeelongdouble.
13676 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13678 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13680 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13681 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13682 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13683 * rtl.h (rtunion_def): Remove rt_ptr.
13685 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13686 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13687 * config/i386/winnt.c (i386_pe_mark_dllexport)
13688 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13690 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13692 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13694 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13698 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13699 pthread_key_delete. From John David Anglin. gthrw-ify
13700 pthread_getunique_np only if it it's not a macro. Delete
13702 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13703 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13704 __gthread_objc_condition_signal, __gthread_key_delete): Add
13705 "__attribute__ ((__unused__))" to unused arguments.
13706 (__gthread_recursive_mutex_init_function): Add missing return.
13707 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13708 gthr-posix95.h: Use macro-based approach for name redirection
13709 on targets missing weakref.
13711 2006-01-26 Zack Weinberg <zackw@panix.com>
13713 * genconditions.c (write_header): In generated code, #ifdef out
13714 all includes and fake declarations, except includes of bconfig.h
13715 and system.h, unless GCC_VERSION >= 3001. Do not include
13716 gensupport.h in any case.
13717 (write_conditions): Generate a definition of struct c_test. Add
13718 a comment to the generated #endif.
13719 (write_one_condition): Escape backslashes in string too.
13720 (write_writer): Generated code must escape backslashes and quote
13721 marks (but not newlines) in the strings it writes.
13722 * Makefile.in (build/gencondmd.o): Update dependencies.
13724 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13727 * Makefile.in (insn-automata.o): Add header file dependencies.
13728 * genautomata.c: Add includes.
13730 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13733 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13735 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13737 * configure.ac: Expect target tools paths to be passed from the toplevel
13738 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13740 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13742 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13745 * c.opt (Wpointer-sign): Init to -1.
13746 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13747 OPT_pedantic, to 0 otherwise.
13748 * doc/invoke.texi: Update.
13750 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13752 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13753 constants provided by 80387 instructions in the destination mode.
13755 2006-01-26 Richard Guenther <rguenther@suse.de>
13756 Andrew Pinski <pinskia@physics.uc.edu>
13759 partial PR tree-opt/17064
13760 * tree-ssa-structalias.c (intra_create_variable_infos):
13761 Create heap variables for incoming parameters if
13762 flag_argument_noalias > 1.
13763 (find_what_p_points_to): Look through default defs of
13766 2006-01-26 Jeff Law <law@redhat.com>
13769 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13770 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13771 within the VR_RANGE, use the VR_RANGE as the result, not the
13773 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13774 bounds for the type.
13776 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13778 * tree-ssa-alias.c (maybe_create_global_var): Change
13779 subvar walking to an assertion that we don't have subvar'd variables.
13781 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13784 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13785 Use a new variable, inner. PARM_DECLs are always non-weak.
13787 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13789 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13790 --disable-checking.
13792 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13794 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13796 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13798 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13799 (smax_insn, smin_insn, smax_0, smin_0): New.
13801 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13804 * config/cris/cris.c (cris_order_for_addsi3): New function.
13805 * config/cris/cris-protos.h: Prototype it.
13806 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13807 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13808 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13809 (split for "op.S1 [rx=rx+i],ry (swapped)")
13810 (split for "op(s|u).S1 [rx=rx+i],ry")
13811 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13812 Apply cris_order_for_addsi3 when generating addsi3 insns.
13814 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13816 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13817 (TREE_BLOCK): Add call to EXPR_CHECK.
13819 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13822 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13823 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13824 (dump_omp_clauses): ... here.
13825 (dump_generic_node): Handle OMP_CLAUSE.
13826 * tree.c (omp_clause_num_ops): New.
13827 (omp_clause_code_name): New.
13828 (tree_code_size): Handle OMP_CLAUSE.
13829 (tree_size): Likewise.
13830 (make_node): Document handling of OMP_CLAUSE.
13831 (tree_node_structure): Handle OMP_CLAUSE.
13832 (omp_clause_check_failed): New.
13833 (omp_clause_range_check_failed): New.
13834 (omp_clause_operand_check_failed): New.
13835 (build_omp_clause): New.
13836 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13837 * tree.h (enum omp_clause_code): Declare.
13838 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13839 (OMP_CLAUSE_RANGE_CHECK): Define.
13840 (OMP_CLAUSE_ELT_CHECK): Define.
13841 (omp_clause_check_failed): Declare.
13842 (omp_clause_operand_check_failed): Declare.
13843 (omp_clause_range_check_failed): Declare.
13844 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13845 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13846 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13847 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13848 (OMP_CLAUSE_IF_EXPR): Likewise.
13849 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13850 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13851 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13852 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13853 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13854 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13855 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13856 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13857 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13858 (OMP_CLAUSE_CODE): Define.
13859 (OMP_CLAUSE_SET_CODE): Define.
13860 (OMP_CLAUSE_CODE): Define.
13861 (OMP_CLAUSE_OPERAND): Define.
13862 (struct tree_omp_clause): Declare.
13863 (union tree_node): Add field 'omp_clause'.
13864 * treestruct.def (TS_OMP_CLAUSE): Define.
13865 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13866 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13867 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13868 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13869 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13870 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13871 (OMP_CLAUSE): Define.
13872 * print-tree.c (print_node): Handle OMP_CLAUSE.
13873 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13874 * c-typeck.c: Likewise.
13875 * gimplify.c: Likewise.
13876 * c-omp.c: Likewise.
13877 * tree-nested.c: Likewise.
13878 * tree-inline.c: Likewise.
13879 * c-parser.c: Likewise.
13880 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13883 2006-01-25 Roger Sayle <roger@eyesopen.com>
13885 PR rtl-optimization/25703
13886 * combine.c (try_combine): Handle zero_extract and strict_low_part
13887 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13889 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13891 * global.c: Fix comment typos.
13893 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13896 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13897 Use output_addr_const instead of assemble_name.
13899 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13901 * Makefile.in (sched-vis.o): Update dependencies.
13902 * haifa-sched.c (sched_finish): Clear current_sched_info.
13903 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13904 (dump_flow_info): Call it.
13905 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13907 * basic-block.h (dump_bb_info): Declare.
13908 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13909 option, and apply options only for dump files whose TDF_RTL,
13910 TDF_TREE, or TDF_IPA bits match.
13911 * rtl.h: Declare new functions exported from sched-vis.c.
13912 * sched-vis.c: Enable also if scheduling is not used.
13913 (print_value): Print the mode of registers if not inside scheduling.
13914 (print_insn): Make it work outside the scheduler. Beautify the output
13916 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13918 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13920 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13921 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13922 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13923 depending on the value of CONSTANT_POOL_ADDRESS_P.
13924 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13926 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13927 rather than SYMBOL_REF_DECL.
13928 (rtx_constant_pool): Remove const_rtx_sym_htab.
13929 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13930 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13931 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13932 Remove handling of const_rtx_sym_htab.
13933 (find_pool_constant): Delete.
13934 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13935 rather than find_pool_constant.
13936 (get_pool_constant_for_function): Delete.
13937 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13938 find_pool_constant.
13939 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13940 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13941 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13942 (SYMBOL_REF_CONSTANT): New macro.
13943 (get_pool_constant_for_function): Delete.
13944 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13945 rather than SYMBOL_REF_DECL.
13946 (i386_pe_mark_dllimport): Likewise.
13947 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13948 rather than SYMBOL_REF_DECL.
13949 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13950 (machopic_indirect_call_target): Likewise.
13952 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13954 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13956 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13958 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13960 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13962 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13964 2006-01-24 David Daney <ddaney@avtrex.com>
13967 * configure.ac (enable_tls): New enable option.
13968 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13969 * configure: Regenerate.
13970 * doc/install.texi (--enable-tls): Document new option.
13971 (--disable-tls): Ditto.
13973 2006-01-24 Richard Henderson <rth@redehat.com>
13975 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13976 * alias.c (true_dependence): Respect it.
13977 (canon_true_dependence, write_dependence_p): Likewise.
13978 * builtins.c (get_builtin_sync_mem): Set it.
13980 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13982 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13985 2006-01-24 DJ Delorie <dj@redhat.com>
13987 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13988 for storing constants in single-bit bitfields.
13990 2006-01-25 Ben Elliston <bje@au.ibm.com>
13992 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13994 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13997 * tree-ssa-pre.c (phi_translate): Return NULL
13998 for AGGREGATE_TYPE's.
14000 2006-01-24 Zack Weinberg <zackw@panix.com>
14002 * genautomata.c (process_state_for_insn_equiv_partition):
14003 Use xcalloc for insn_arcs_array.
14004 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14005 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14007 2006-01-24 Richard Henderson <rth@redhat.com>
14009 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14010 update all callers.
14012 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14014 PR rtl-optimization/25890
14015 PR rtl-optimization/25905
14016 * combine.c (expand_compound_operation, expand_field_assignment):
14017 Fail if the bitfield's final position is out of bounds.
14019 2006-01-24 Ian Lance Taylor <ian@airs.com>
14021 PR middle-end/25930
14022 * cgraphunit.c (cgraph_output_in_order): Don't clear
14023 cgraph_asm_nodes until after asm strings have been output.
14025 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14027 * fix-header.c (read_scan_file): Add new parameter imultilib when
14028 calling register_include_chains.
14030 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14032 * omp-low.c: Update documentation.
14034 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14035 Daniel Berlin <dberlin@dberlin.org>
14039 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14040 return from the function.
14042 2006-01-22 Zack Weinberg <zackw@panix.com>
14044 * rtl.def (match_code): Add second argument.
14045 * genpreds.c (write_extract_subexp): New function.
14046 (write_match_code): Add path argument. Use write_extract_subexp.
14047 (write_predicate_expr): Pass path to write_match_code.
14048 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14049 not perform a mode test.
14050 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14051 a subexpression does not constrain the top-level code set.
14052 * read-rtl.c (read_rtx_variadic): New function.
14053 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14054 * doc/md.texi: Document new notation.
14055 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14056 (cmpsi_operand): ... here, using new notation.
14058 2006-01-22 Zack Weinberg <zackw@panix.com>
14060 * varray.c: Remove GENERATOR_FILE #ifdefs.
14062 2006-01-22 Zack Weinberg <zackw@panix.com>
14064 * genautomata.c (output_reserved_units_table): Emit nothing if
14065 description->query_units_num is zero. Remove extra blank line.
14066 (output_cpu_unit_reservation_p): Short circuit
14067 if description->query_units_num is zero.
14069 2006-01-22 Zack Weinberg <zackw@panix.com>
14071 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14072 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14073 nor any of the random handful of variables that used to be necessary
14074 when this program was linked with rtlanal.o. Prune set of forward
14075 function declarations.
14076 (struct attr_desc): Remove static_p field.
14077 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14078 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14079 (attr_string): Do not read the character one past the length of
14081 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14082 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14083 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14084 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14085 (make_automaton_attrs): New.
14086 (main): Do not call into genautomata. Call local gen_bypass
14087 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14088 Remove special case for insn_alts.
14089 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14090 varray.h (leftover from previous change). Prune set of forward
14091 function declarations. Remove state_alts fields from all
14092 structures. Remove state_alts_table from struct automaton.
14093 Make everything except main static. Do not maintain num_dfa_decls.
14094 Do not maintain state_alts fields of various structures.
14095 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14096 (add_arc): Remove state_alts argument. All callers updated.
14097 (output_reserved_units_table): Emit #ifdef here...
14098 (output_tables): ...not here. Don't generate state_alts tables.
14099 (expand_automata): Don't generate attributes.
14100 (write_automata): Don't generate state_alts functions.
14101 (main): New function.
14102 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14103 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14104 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14105 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14106 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14107 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14108 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14109 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14111 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14112 * genattrtab.h: Delete file.
14113 * Makefile.in (OBJS-common): Add insn-automata.o.
14114 (insn-automata.o): New rule.
14115 (simple_generated_c): Add insn-automata.c.
14116 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14117 (genprogmd): Add automata.
14118 (build/genattrtab): Needs no extra objects nor libraries.
14119 (build/genautomata): Needs build/vec.o and -lm.
14121 2006-01-22 Zack Weinberg <zackw@panix.com>
14123 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14124 (output_dfa_max_issue_rate, locked_states_num): Delete.
14125 (struct automaton): Add locked_states field.
14126 (output_dead_lock_vect): Save number of locked states in
14127 automaton->locked_states. If it is zero, don't print anything.
14128 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14129 (output_internal_dead_lock_func): Only test the dead_lock_vect
14130 for automata that have locked states.
14131 (output_statistics): Always print the number of locked states for
14132 each automaton. Calculate total number of locked states here.
14133 (write_automata): Don't call output_dfa_max_issue_rate.
14134 * genattrtab.c: Define length_unit_log as a const variable.
14135 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14136 max_insn_queue_index const.
14137 * final.c (length_unit_log): Declare const.
14138 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14140 2006-01-22 Zack Weinberg <zackw@panix.com>
14142 * genautomata.c: Include vec.h, not varray.h.
14143 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14144 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14145 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14146 VEC_* macros operating on appropriately typed vectors, or to
14147 malloced arrays when the size is known in advance. Const-ify
14148 many char* variables and function arguments. No functional changes.
14149 * Makefile.in (build/varray.o): Delete rule.
14150 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14151 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14153 2006-01-22 Zack Weinberg <zackw@panix.com>
14155 * gensupport.c: Define get_insn_name and record_insn_name here.
14156 (read_md_rtx): Call record_insn_name as appropriate.
14157 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14158 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14159 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14161 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14162 (BUILD_VARRAY): Delete.
14163 (genprognormal): Rename genprogmd. Fold in all programs from
14164 genprognoprint; also attrtab.
14165 (build/genattrtab): Just mention genautomata.o and varray.o.
14166 Reorganize a bit, add comments to make the categories clearer.
14168 2006-01-22 Zack Weinberg <zackw@panix.com>
14170 * genconditions.c (condition_table, add_condition): Delete.
14171 (write_conditions): Don't emit n_insn_conditions nor
14172 insn_elision_unavailable. Issue the gcc version #ifdef here,
14173 inside the table, with no #else clause ...
14174 (write_header): ...not here.
14175 (write_writer): New function.
14176 (main): Don't initialize condition_table. Use add_c_test.
14178 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14179 files on the command line.
14180 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14181 Return -1 if there is no entry in the table, don't abort.
14182 (add_c_test, traverse_c_tests): New functions.
14183 * gensupport.h (insn_elision_unavailable, insn_conditions)
14184 (n_insn_conditions): Delete declarations.
14185 (add_c_test, traverse_c_tests): Declare.
14186 * read-rtl.c: Include gensupport.h.
14187 (read_conditions): New function.
14188 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14189 (read_rtx_1): If we get EOF when we were looking for an initial
14190 open paren, return 0. Call read_conditions when appropriate.
14191 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14192 dummy-conditions.o. Eliminate references to insn-conditions.o,
14193 or change them to build/gencondmd.o, as appropriate. Remove
14194 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14195 from $(simple_generated_c). For all files remaining in those
14196 two lists, add insn-conditions.md to the generator command line.
14197 Give insn-constants.h/s-constants their own rules. Add rules
14198 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14199 (build/read-rtl.o): Depend on gensupport.h.
14200 (genprognormal): Include preds.
14201 (genprogearly): Rename genprognoprint; only difference is now that
14202 they don't link with $(BUILD_PRINT).
14203 * dummy-conditions.c: Delete.
14205 2006-01-22 Zack Weinberg <zackw@panix.com>
14207 * genextract.c: Don't include insn-config.h. Do include vec.h.
14208 Declare vectors of int, char, and locstr.
14209 (locstr): New typedef.
14210 (struct extraction): Make all array fields into bare pointers.
14211 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14212 (insn_code_number): Delete.
14213 (accum_extract): New struct.
14214 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14215 (gen_insn): Take insn_code_number as an argument. Use an
14216 accum_extract structure instead of loading data directly into
14217 a struct extraction, and having to know how big it might get.
14218 (walk_rtx): Operate entirely on an accum_extract structure.
14219 (print_path): Avoid unnecessary use of printf.
14220 (print_header): New function, split out of main. Distinguish
14221 more carefully between an unrecognizable insn and an insn that
14222 has the code number of a define_expand.
14223 (main): Pass insn_code_number to gen_insn. Call print_header
14224 only after parsing. Avoid unnecessary use of printf.
14225 * Makefile.in (build/vec.o): New rule.
14226 (build/genextract): Depend on build/vec.o.
14227 (build/genextract.o): Don't depend on insn-config.h.
14229 2006-01-22 Zack Weinberg <zackw@panix.com>
14231 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14232 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14233 practical. Eliminate per-generator-program link rules.
14235 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14237 PR middle-end/24437
14238 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14239 with a call expr to ...
14240 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14242 2006-01-23 Richard Guenther <rguenther@suse.de>
14244 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14245 before make_edge with conditional EDGE_TRUE_VALUE.
14247 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14248 Jan Hubicka <jh@suse.cz>
14249 Richard Guenther <rguenther@suse.de>
14251 PR rtl-optimization/25654
14252 * cfgexpand.c (aggregate_contains_union_type): New function.
14253 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14254 for structure variables that contain a union type.
14256 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14258 * gengtype.c (new_structure): Return the structure.
14259 (create_option): Add an extra "next" argument.
14260 (create_field): New function.
14261 (adjust_field_rtx_def): Use create_option and create_field.
14262 Remove a now-unnecessary call to find_structure.
14263 (adjust_field_tree_def): Likewise.
14264 (note_yacc_type): Remove an unnecessary call to find_structure.
14265 * gengtype.h (new_structure): Return the structure.
14266 (create_option): Add an extra argument.
14267 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14268 (option): Adjust calls to create_option.
14270 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14272 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14274 2006-01-22 Paul Brook <paul@codesourcery.com>
14275 Peter Barada <peter@the-baradas.com>
14277 * config/m68k/m68k.md: Add Coldfire FPU support.
14278 Define FP mode macro and associated attributes.
14279 Use it for float mode patterns.
14280 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14281 (LIBCALL_VALUE): Use m68k_libcall_value.
14282 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14283 (m68k_function_value): Ditto.
14284 (emit_move_sequence): Ditto.
14285 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14286 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14287 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14288 (MULTILIB_EXCEPTIONS): Ditto.
14289 * config/m68k/m68k.opt: Add mcfv4e.
14290 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14291 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14292 (m68k_output_function_prologue): Save ColdFire FPU registers.
14293 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14294 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14295 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14296 ColdFire FPU registers.
14297 (m68k_libcall_value, m68k_function_value): New functions.
14298 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14299 (LIBCALL_VALUE): Use m68k_libcall_value.
14300 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14301 (MASK_COLDFIRE): Add MASK_CFV4E.
14302 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14303 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14304 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14305 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14306 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14307 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14308 * doc/invoke.tex: Document -mcfv4e on m68k.
14310 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14312 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14315 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14318 * c-opts.c (c_common_handle_option): Don't include
14319 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14320 * doc/invoke.texi (C++ Dialect Options): Document that
14321 -Wnon-virtual-dtor is no longer included in -Wall.
14323 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14325 * gcov.c (print_version), gcov-dump.c (print_version),
14326 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14329 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14331 * df-scan.c (problem_SCAN): Added NULL reset function.
14332 (df_scan_reset_blocks): Added code to call reset block function
14333 (df_bb_refs_delete) Fixed comment.
14334 (df_insn_refs_delete): Made tolerant of deleting non existent info
14335 for dataflow problems that need to be reset.
14336 * df-core.c (df_set_blocks): Ditto.
14337 * df.h (struct df_problem): Added reset_fun.
14338 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14339 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14340 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14341 functions to clear out all references to def-use or use-def chains.
14343 2006-01-21 Ben Elliston <bje@au.ibm.com>
14345 * varasm.c (assemble_real): Initialise data array.
14347 2006-01-20 Paul Brook <paul@codesourcery.com>
14349 Merge from csl-arm-branch.
14350 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14351 * config/arm/arm.md (movdi): Force operands[1] to a register
14352 if we have a non-register source.
14353 (*arm_movdi, *movdf_soft_insn): Require that one of the
14354 operands be a register.
14355 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14356 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14358 2006-01-20 DJ Delorie <dj@redhat.com>
14360 * varasm.c (initializer_constant_valid_p): Allow pointers
14361 initialized from integer constants of lesser precision.
14362 (output_constant): Allow non-int-sized pointer modes to be
14363 initialized from integer constants.
14365 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14368 * cppdefault.h (struct default_include): Add multilib flag.
14369 * cppdefault.c (cpp_include_defaults): Set it.
14370 * c.opt (-imultilib): New option.
14371 * c-opts.c (imultilib): New.
14372 (c_common_handle_option): Handle -imultilib.
14373 (c_common_post_options): Likewise.
14374 * c-incpath.c (add_standard_paths, register_include_chains):
14376 * c-incpath.h (register_include_chains): Add extra parameter.
14377 * gcc.c (do_spec_1): Generate -imultilib option.
14378 (The Specs Language): Update %I description.
14379 (process_command): Update copyright notice.
14380 * doc/cppopts.texi (-imultilib): Document.
14381 * doc/invoke.texi (-imultilib): Include in option summary.
14382 (%I): Update specs documentation.
14384 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14386 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14388 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14390 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14393 2006-01-20 Richard Guenther <rguenther@suse.de>
14394 Steven Bosscher <stevenb.gcc@gmail.com>
14396 PR rtl-optimization/24626
14397 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14398 EDGE_TRUE_VALUE if in RTL mode.
14401 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14402 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14404 2006-01-20 Dirk Mueller <dmueller@suse.com>
14407 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14408 instead of a special NOP marker.
14409 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14410 NOP marker handling.
14411 * c-common.h (empty_body_warning): Add forward declaration.
14412 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14413 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14415 2006-01-20 Paul Brook <paul@codesourcery.com>
14417 * Makefile.in (lang_checks): Keep going if mkdir fails.
14419 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14421 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14422 be able to clean out basic block when not necessary.
14423 (df_scan_free): Fixed to properly delete information if df is
14424 unused before calling df_finish.
14425 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14426 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14428 (df_bb_refs_delete): New function.
14429 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14430 * df-core.c (df_set_blocks): Added code to properly clean out
14431 unused blocks if they are not part of the blocks to consider.
14432 Added additional null check.
14433 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14434 be able to clean out basic block when not necessary
14435 * df.h (df_free_bb_function): Ditto.
14436 (df_bb_refs_delete): New function.
14437 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14438 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14439 basic block parameter to be able to clean out basic block when not
14441 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14442 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14443 Fixed to properly delete information if df is unused before
14446 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14448 PR rtl-optimization/25799
14449 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14450 Corrected confluence operator to remove bits from op2 before oring
14451 with op1 rather than removing bits from op1.
14452 (df_ru_transfer_function): Corrected test on wrong bitmap which
14453 caused infinite loop. Both of these problems were introduced in
14454 the dataflow rewrite.
14456 2006-01-19 DJ Delorie <dj@redhat.com>
14458 * reload1.c (find_reload_regs): Note the details of reload
14459 failures in the dump file.
14460 (spill_failure): Likewise.
14462 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14464 * loop-iv.c: Include df.h and hashtab.h.
14465 (enum iv_grd_result): New enum.
14466 (DF_REF_IV, DF_REF_IV_SET): New macros.
14467 (struct biv_entry): New.
14468 (df, bivs): New global variables.
14469 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14470 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14472 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14473 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14474 analyzed_for_bivness_p, record_biv): New functions.
14475 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14476 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14477 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14479 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14481 (iv_number_of_iterations): Use new interface to iv analysis.
14482 * loop-unroll.c: Do not include varray.h.
14483 (analyze_iv_to_split_insn): Use new interface to iv
14485 * loop-unswitch.c (may_unswitch_on): Ditto.
14486 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14488 (df_bb_modify): Realloc tables to the new index.
14489 (df_find_use): New function.
14490 * df.h (df_find_use): Declare.
14491 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14493 * cfgloop.h (struct rtx_iv): Remove analysed field.
14494 (iv_get_reaching_def): Removed.
14495 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14496 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14497 (loop-iv.o): Add df.h and hashtab.h dependency.
14498 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14500 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14503 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14505 (__floatundisf, __floatundidf): Likewise.
14506 * libgcc2.h (IS_IBM_EXTENDED): Define.
14508 2006-01-19 DJ Delorie <dj@redhat.com>
14510 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14512 2006-01-19 Paul Brook <paul@codesourcery.com>
14514 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14515 as nothrow when unwinding tables are disabled.
14517 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14520 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14521 of bit-field" when in system header.
14523 2006-01-19 DJ Delorie <dj@redhat.com>
14525 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14526 the 16 bit shift limit of the m16c.
14528 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14531 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14532 * config/i386/i386.c (output_set_got): Output the label if we have one
14533 for the TARGET_DEEP_BRANCH_PREDICTION case.
14535 2006-01-19 Jan Hubicka <jh@suse.cz>
14536 H.J. Lu <hongjiu.lu@intel.com>
14537 Evandro Menezes <evandro.menezes@amd.com>
14539 * invoke.texi (generic): Document
14541 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14542 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14543 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14544 (x86_use_incdec, x86_pad_returns): New variables
14545 (TARGET_CPU_DEFAULT_generic): New constant
14546 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14547 (enum processor_type): Add generic32 and generic64.
14548 * i386.md (cpu attribute): Add generic32/generic64
14549 (movhi splitter): Behave sanely when both partial_reg_dependency and
14550 partial_reg_stall are set.
14551 (K8 splitters): Enable for generic as well.
14552 * predicates.md (incdec_operand): Use TARGET_INCDEC
14553 (aligned_operand): Avoid memory mismatch stalls.
14554 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14555 * ppro.md: Enable for generic32
14556 * i386.c (generic64_cost, generic32_cost): New.
14557 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14558 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14559 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14560 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14561 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14562 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14563 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14564 x86_accumulate_outgoing_args, x86_prologue_using_move,
14565 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14566 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14567 Enable for generic.
14568 (x86_use_incdec, x86_pad_returns): New.
14569 (override_options): Add generic32 and generic64, translate "generic"
14570 to generic32/generic64 and "i686" to "generic32", refuse
14571 "generic32"/"generic64" as arch target.
14572 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14573 (ix86_reorg): Honor PAD_RETURNS.
14575 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14577 * tree-pretty-print.c (dump_generic_node): Handle
14578 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14579 * cgraph.c (cgraph_expand_queue): Rename from
14580 cgraph_analyze_queue. Update all users.
14581 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14582 cgraph_expand_queue.
14583 (cgraph_expand_all_functions): Likewise.
14584 (cgraph_finalize_pending_functions): Remove. Update callers.
14586 * tree.h (OMP_DIRECTIVE_P): Define.
14587 (OMP_PARALLEL_FN): Define.
14588 (OMP_PARALLEL_DATA_ARG): Define.
14589 (OMP_SECTIONS_SECTIONS): Define.
14590 * tree-pass.h (pass_expand_omp): Declare.
14591 * omp-low.c (struct omp_region): Declare.
14592 (struct omp_context): Remove fields 'parallel_type',
14593 'parallel_start_ix' and 'parallel_start_additional_args'.
14595 (struct omp_for_data): Rename from struct expand_omp_for_data.
14596 (omp_regions): New static variable.
14597 (root_omp_region): New static variable.
14598 (find_omp_clause): Make static.
14599 (is_in_combined_parallel_ctx): Remove.
14600 (is_combined_parallel): New.
14601 (extract_omp_for_data): Move earlier in the file.
14602 (workshare_safe_to_combine_p): New.
14603 (get_ws_args_for): New.
14604 (determine_parallel_type): Move earlier in the file.
14605 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14607 (omp_copy_decl): Likewise.
14608 (create_omp_child_function): Likewise.
14609 (lookup_omp_region): New.
14610 (dump_omp_region): New.
14611 (debug_omp_region): New.
14612 (debug_all_omp_regions): New.
14613 (new_omp_region): New.
14614 (scan_omp_parallel): If parallel_nesting_level > 1, the
14615 directive is nested within another parallel directive.
14616 Set OMP_PARALLEL_FN.
14617 (scan_omp_for): Do not try to handle combined parallel+for
14619 Remove FIXME comment.
14620 (scan_omp_nested): Remove.
14621 (scan_omp_1): Do not call scan_omp_nested when
14622 parallel_nesting_level is > 1.
14623 Do not change the DECL_CONTEXT of local variables found.
14624 (lookup_decl_in_outer_ctx): New.
14625 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14626 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14627 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14628 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14629 If CTX is nested, lookup VAR in the outer context when
14630 building copy assignment.
14631 (lower_send_clauses): Rename from expand_send_clauses.
14632 If CTX is nested, lookup VAR in the outer context when
14633 building copy assignments.
14634 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14635 If CTX is nested, lookup VAR in the outer context when
14636 building copy assignments.
14637 (expand_parallel_call): Rename from build_parallel_call.
14638 Handle combined parallel+workshare cases.
14639 Re-implement to emit code into the CFG.
14641 (expand_omp_parallel): Re-implement to emit code into the CFG.
14642 Call move_sese_region_to_fn to outline the sub-graph
14643 containing the parallel region.
14644 (expand_omp_for_1): Remove.
14645 (expand_omp_for_generic): Re-implement to emit code into the
14647 (expand_omp_for_static_nochunk): Likewise.
14648 (expand_omp_for_static_chunk): Likewise.
14649 (expand_omp_for): Likewise.
14650 (expand_omp_sections): Likewise.
14651 (remove_exit_barriers): New.
14652 (expand_omp_synch): New.
14654 (build_omp_regions_1): New.
14655 (build_omp_regions): New.
14656 (execute_expand_omp): New.
14657 (gate_expand_omp): New.
14658 (pass_expand_omp): Define.
14659 (lower_omp_sections): Rename from expand_omp_sections.
14660 Set OMP_SECTIONS_SECTIONS.
14661 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14662 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14663 (lower_omp_single): Rename from expand_omp_simple.
14664 (lower_omp_master): Rename from expand_omp_master.
14665 (lower_omp_ordered): Rename from expand_omp_ordered.
14666 (lower_omp_critical): Rename from expand_omp_critical.
14667 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14668 (lower_omp_for): Re-implement.
14669 (lower_omp_parallel): Re-implement.
14670 (lower_regimplify): Rename from expand_regimplify.
14671 (lower_omp_1): Rename from expand_omp_1.
14672 If there are syntax errors in the program, replace every
14673 OpenMP directive with NOP.
14674 Call lower_omp_* instead of expand_omp_*.
14675 (lower_omp): Rename from expand_omp.
14677 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14678 * tree-gimple.h (enum omp_parallel_type): Remove.
14679 (gimple_boolify): Declare extern.
14680 (find_omp_clause, determine_parallel_type): Remove.
14682 * gimple-low.c (lower_omp_directive): New.
14683 (lower_stmt): Call it.
14684 (record_vars_into): Move from ...
14685 (record_vars): ... here.
14686 Call record_vars_into with current_function_decl.
14688 * gimplify.c (struct gimplify_ctx): Remove fields
14689 combined_pre_p and combined_ctxp. Update users.
14690 (get_formal_tmp_var): Add documentation.
14691 (gimple_boolify): Make extern.
14692 (gimplify_expr_in_ctx): Remove. Update callers.
14693 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14694 will always be a BIND_EXPR.
14695 (gimplify_expr): Handle OMP_RETURN_EXPR.
14696 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14697 (OMP_PARALLEL): Add 3 operands.
14698 (OMP_SECTIONS): Add 1 operand.
14699 (OMP_RETURN_EXPR): Define.
14701 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14702 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14703 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14704 creating a circular free list.
14705 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14707 * tree-flow.h (move_sese_region_to_fn): Declare.
14708 (record_vars_into): Declare.
14709 * tree-cfg.c (make_omp_sections_edges): New.
14710 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14711 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14712 OMP_SECTIONS and OMP_SECTION.
14713 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14714 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14715 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14716 (gather_blocks_in_sese_region): New.
14717 (struct move_stmt_d): Declare.
14718 (move_stmt_r): New.
14719 (move_block_to_fn): New.
14720 (move_sese_region_to_fn): New.
14722 * passes.c (init_optimization_passes): Schedule
14723 pass_expand_omp after pass_init_datastructures.
14725 * tree-ssa-operands.c (get_expr_operands): Handle
14726 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14727 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14729 2006-01-19 Jeff Law <law@redhat.com>
14731 * tree-vrp.c (extract_range_from_assert): Refine the result range
14732 if the variable referenced by the ASSERT_EXPR has a range and
14733 either the tentative result range or the previous range is a
14736 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14738 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14740 2006-01-19 Jan Hubicka <jh@suse.cz>
14742 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14744 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14746 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14747 (expand_compound_operation, expand_field_assignment): Fail if the
14748 bit lengths of an extract operation are out of range.
14749 (make_extraction): Compute wanted_inner_mode based on the position
14750 and length of the extraction. Make it extraction_mode for non-constant
14751 positions, and do not modify offset in that case. When generating a
14752 new MEM, use a mode that can hold the extraction while keeping correct
14753 alignment. Remove code that supported MEMs wrapped by USEs.
14754 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14756 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14758 * config/s390/s390.md ("Y", "y"): New mode attribute.
14759 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14760 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14761 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14762 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14763 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14764 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14765 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14766 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14767 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14768 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14769 "addsi3", "subsi3"): Insn patterns removed.
14770 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14771 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14772 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14773 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14774 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14775 "*sub<mode>3_cconly2"): New insn patterns.
14776 ("addsi3", "subsi3"): New expanders.
14778 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14780 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14781 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14782 existing STMT_VINFO_VECTYPE if available.
14783 (vect_mark_relevant): Add special handling for stmts that are
14784 marked as STMT_VINFO_IN_PATTERN_P.
14785 (vect_analyze_loop): Call vect_pattern_recog.
14786 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14787 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14789 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14790 (vect_recog_func_ptr): New function-pointer type.
14791 * tree-vect-patterns.c: New file.
14792 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14793 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14794 (vect_pattern_recog_1): New functions.
14795 (vect_pattern_recog_funcs): New array of function pointers.
14797 * tree-vectorizer.h (ternary_op): New enum value.
14798 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14799 declaration. Revised documentation. Removed redundant dump prints.
14800 Removed redundant argument. Added support for reduction patterns.
14801 (vectorizable_reduction): Added support for reduction patterns.
14802 (vect_transform_stmt): Added support for patterns.
14804 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14805 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14806 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14807 (expand_widen_pattern_expr): New function.
14808 (init_optabs): Initialize new optabs udot_prod_optab,
14810 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14811 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14812 (expand_widen_pattern_expr): New function declaration.
14813 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14815 * tree-inline.c (estimate_num_insns_1): Added cases for new
14816 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14817 * tree-pretty-print.c (dump_generic_node): Likewise.
14818 (op_prio): Likewise.
14819 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14820 * tree-ssa-operands.c (get_expr_operands): Added case for
14822 * tree-vect-patterns.c (widened_name_p): New function.
14823 (vect_recog_dot_prod_pattern): Added function implementation.
14824 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14825 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14826 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14827 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14829 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14830 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14831 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14832 (init_optabs): Initialize new optabs widen_ssum_optab,
14834 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14835 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14836 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14837 use instead of type of def.
14838 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14839 function implementation.
14840 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14841 widen_ssumv8hi): New.
14843 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14846 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14849 * c-decl.c (add_flexible_array_elts_to_size): New function.
14850 (finish_decl): Use it.
14852 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14854 * diagnostic.h: Include options.h.
14855 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14856 dependancies for diagnostic.h.
14857 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14859 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14861 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14862 (ssa_ro_call_cache_valid): Ditto.
14863 * tree-ssa-alias.c (sort_tags_by_id): New function.
14864 (init_transitive_clobber_worklist): Ditto.
14865 (add_to_worklist): Ditto.
14866 (mark_aliases_call_clobbered): Ditto.
14867 (compute_tag_properties): Ditto.
14868 (set_initial_properties): Ditto.
14869 (compute_call_clobbered): Ditto.
14870 (compute_may_aliases): Call compute_call_clobbered and grouping.
14871 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14872 (compute_flow_insensitive_aliasing): Grouping now happens in our
14874 (setup_pointers_and_addressables): Remove clobbering related code.
14875 (add_may_alias): Ditto.
14876 (replace_may_alias): Ditto.
14877 (get_nmt_for): Ditto.
14878 (create_global_var):
14879 (is_escape_site): Return an escape_type enumeration.
14880 * tree-flow-inline.h (is_call_clobbered): Global var does not
14881 imply call clobbered.
14882 (mark_call_clobbered): Take a reason for marking this. Remove
14883 marking of globalness, and cache invalidation.
14884 (clear_call_clobbered): Remove cache invalidation code.
14885 * tree-dfa.c (dump_variable): If details is on, dump the reason
14887 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14889 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14890 (struct var_ann_d): Ditto.
14891 (enum escape_type): New.
14892 (mark_call_clobbered): Adjust prototype.
14893 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14894 are never call clobbered.
14895 Record reasons for escaping.
14896 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14897 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14898 (ssa_ro_call_cache_valid): Ditto.
14899 (clobbered_v_may_defs): Ditto.
14900 (clobbered_vuses): Ditto.
14901 (ro_call_vuses): Ditto.
14902 (clobber_stats): New.
14903 (init_ssa_operands): Zero out clobber stats.
14904 (fini_ssa_operands): Print out clobber stats.
14905 (get_call_expr_operands): Pass callee fndecl to
14906 add_call_read_ops).
14907 (add_call_clobber_ops): Remove use of cache.
14908 Add use of PURE_CONST information.
14909 (add_call_read_ops): Remove use of cache.
14910 Add use of static not_read information.
14912 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14914 Introduce TLS descriptors for i386 and x86_64.
14915 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14916 (TARGET_ANY_GNU_TLS): New macro.
14917 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14918 (struct machine_function): Add tls_descriptor_call_expanded_p.
14919 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14920 (ix86_current_function_calls_tls_descriptor): Likewise.
14921 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14922 (override_options): Introduce gnu2 tls dialect.
14923 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14925 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14927 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14928 (ix86_init_machine_status): Initialize new field.
14929 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14930 (ix86_tls_module_base): New.
14931 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14932 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14933 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14934 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14935 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14936 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14937 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14938 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14939 * config/i386/predicates.md (tls_modbase_operand): New.
14940 (tp_or_register_operand): New.
14942 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14944 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14945 (look_for_address_of): Ditto.
14946 (ipa_init): Walk the function decls.
14947 (static_execute): Don't set readonly on FUNCTION_DECL's.
14949 2006-01-18 Roger Sayle <roger@eyesopen.com>
14951 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14952 for shifts where the source and destination registers are different.
14954 2006-01-18 Paul Brook <paul@codesourcery.com>
14956 Merge from csl-arm-branch.
14957 2005-03-14 Julian Brown <julian@codesourcery.com>
14958 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14959 (aeabi_llsl): Likewise.
14960 (ashrdi3): Likewise.
14961 (aeabi_lasr): Likewise.
14962 (lshrdi3): Likewise.
14963 (aeabi_llsr): Likewise.
14964 2005-03-10 Julian Brown <julian@codesourcery.com>
14965 * config.gcc: Disable shared libgcc for SymbianOS.
14966 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14968 2006-01-18 DJ Delorie <dj@redhat.com>
14970 * c-pragma.c (handle_pragma_diagnostic): New.
14971 (init_pragma): Register it.
14972 * doc/extend.texi: Document it.
14974 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14975 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14976 (diagnostic_context): Add classify_diagnostic[].
14977 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14978 as errors if they're overridden to DK_WARNING.
14979 (diagnostic_initialize): Initialize classify_diagnostic[].
14980 (diagnostic_set_kind_override): New.
14981 (diagnostic_report_diagnostic): Check for kind changes.
14982 * opts.c (common_handle_option): Take lang_mask. Update callers.
14983 Handle OPT_Werror_.
14984 * common.opt (Werror=): New.
14985 * doc/invoke.texi: Document -Werror=*
14987 2006-01-18 Jeff Law <law@redhat.com>
14989 * tree-vrp.c (test_for_singularity): Correct test for new
14990 min limit. Use operand_equal_p rather than pointer equality
14991 for testing if new min/max values are equal.
14993 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14994 using range information until after propagation and folding.
14996 2006-01-18 Richard Henderson <rth@redhat.com>
14997 Aldy Hernandez <aldyh@redhat.com>
14998 Jakub Jelinek <jakub@redhat.com>
14999 Diego Novillo <dnovillo@redhat.com>
15001 * omp-low.c: New file.
15002 * c-omp.c: New file.
15004 2006-01-18 Richard Henderson <rth@redhat.com>
15005 Jakub Jelinek <jakub@redhat.com>
15006 Diego Novillo <dnovillo@redhat.com>
15008 * doc/invoke.texi: Document -fopenmp.
15009 * tree-dump.h (debug_function): Declare.
15010 * hooks.c (hook_bool_tree_bool_false): New function.
15011 (hook_tree_tree_null): Remove.
15012 (hook_tree_tree_tree_null): New.
15013 * hooks.h: Update to match.
15014 * tree-pretty-print.c (debug_tree_chain): New.
15015 (print_generic_expr): Handle TDF_CHAIN.
15016 (dump_generic_node): Handle BLOCK.
15017 Do not abort with incomplete SWITCH_EXPRs.
15018 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15019 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15020 print space after directive name.
15021 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15022 Handle OMP_MASTER and OMP_ORDERED.
15023 Handle printing of OMP_BODY just in one place, goto
15024 dump_omp_body in the rest of OMP_* nodes that have
15026 Don't handle clause nodes here. Update omp statements to
15027 use dump_omp_clauses.
15028 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15029 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15030 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15031 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15032 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15033 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15034 Adjust output for GOMP_PARALLEL.
15035 (dump_omp_clauses): New.
15036 (print_declaration): Dump DECL_VALUE_EXPR.
15037 (op_symbol_1): Split out of op_symbol.
15038 (dumping_stmts): Remove. Update all users.
15039 * cgraph.c (cgraph_analyze_queue): New.
15040 (cgraph_add_new_function): New.
15041 * cgraph.h (cgraph_analyze_queue): Declare.
15042 (cgraph_add_new_function): Declare.
15043 (cgraph_lower_function): Remove.
15044 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15045 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15046 and TYPE_P nodes in its default clause.
15047 (empty_body_p): New.
15048 (tree_range_check_failed): New.
15049 (build5_stat): New.
15050 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15051 OMP_CLAUSE_REDUCTION_MERGE,
15052 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15053 OMP_CLAUSE_PRIVATE_DEBUG,
15054 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15055 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15056 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15057 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15058 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15059 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15060 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15061 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15062 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15063 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15064 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15065 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15066 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15067 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15068 (TREE_RANGE_CHECK): New.
15069 (empty_body_p): Declare.
15070 (enum omp_clause_default_kind): New.
15071 (build_string_literal): Declare.
15072 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15073 (build5_stat, build5): Declare.
15074 * tree-pass.h (TDF_CHAIN): Define.
15075 * tree-pass.h (PROP_gimple_lomp): Define.
15076 (pass_lower_omp): Declare.
15077 * diagnostic.h (debug_tree_chain): Declare.
15078 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15080 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15081 * builtins.c (build_string_literal): Make extern.
15082 * gcc.c (include_spec_function): New.
15083 (static_spec_functions): Add it.
15084 (main): Move load of libgomp.spec ...
15085 (LINK_COMMAND_SPEC): ... here.
15086 (link_gomp_spec): New.
15087 (static_specs): Include it.
15088 (LINK_COMMAND_SPEC): Add link_gomp.
15089 (GOMP_SELF_SPECS): New.
15090 (driver_self_specs): Include it.
15091 (switch_matches): Don't mark inline.
15092 (main): Load libgomp.spec.
15093 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15094 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15095 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15096 * tree-gimple.h (enum omp_parallel): Declare.
15097 (determine_parallel_type): Declare.
15098 (omp_firstprivatize_variable): Declare.
15099 (omp_reduction_init): Declare.
15100 (diagnose_omp_structured_block_errors): Declare.
15101 (struct walk_stmt_info): Add want_return_expr.
15102 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15103 (find_omp_clause): Declare.
15104 (insert_field_into_struct): Declare.
15105 (struct walk_stmt_info): Move from tree-nested.c
15106 (walk_stmts): Declare.
15107 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15109 * cgraphunit.c (cgraph_lower_function): Make static.
15110 (cgraph_finalize_pending_functions): New.
15111 (cgraph_finalize_function): Call it.
15112 (cgraph_finalize_compilation_unit): Likewise.
15113 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15114 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15115 (BT_FN_UINT_UINT): New.
15116 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15117 DEF_FUNCTION_TYPE_VAR_4): Document.
15118 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15119 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15120 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15121 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15122 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15123 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15124 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15125 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15126 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15127 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15128 into separate files.
15129 (DEF_GOMP_BUILTIN): New.
15130 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15131 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15132 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15133 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15134 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15135 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15136 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15137 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15138 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15139 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15140 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15141 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15142 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15143 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15144 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15145 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15146 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15147 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15148 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15149 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15150 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15151 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15152 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15153 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15154 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15155 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15156 * sync-builtins.def: New file, moved from builtins.def.
15157 * omp-builtins.def: New file, moved from builtins.def.
15158 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15159 * gimple-low.c (lower_function_body): Clear data.
15160 (lower_stmt): Do not handle COMPOUND_EXPR.
15161 Remove call to print_node_brief.
15162 * c-tree.h (c_finish_omp_clauses): New prototype.
15163 (C_DECL_THREADPRIVATE_P): Define.
15164 (lookup_name_no_remap, c_omp_remap_private): Remove
15165 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15166 (check_for_loop_decls): Update decl.
15167 (lookup_name_no_remap, c_omp_remap_private): Declare.
15168 (build_indirect_ref, build_modify_expr, pushdecl,
15169 pushdecl_top_level): Move to c-common.h.
15170 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15171 before the switch, but just in the 2 places that need it.
15172 * c-decl.c (diagnose_mismatched_decls): Do not check for
15173 mismatched thread-local attributes when OLDDECL is marked
15174 threadprivate and NEWDECL has no thread-local attributes.
15175 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15176 (c_gimple_diagnostics_recursively): Rename from
15177 c_warn_unused_result_recursively. Invoke
15178 diagnose_omp_structured_block_errors.
15179 (check_for_loop_decls): Return a singular decl found.
15180 * langhooks.c (lhd_omp_predetermined_sharing): Return
15181 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15182 (lhd_omp_firstprivatize_type_sizes): New.
15183 (lhd_omp_assignment): New.
15184 (lhd_omp_predetermined_sharing): New.
15185 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15186 (struct lang_hooks_for_types): Add
15187 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15188 omp_predetermined_sharing, omp_disregard_value_expr,
15189 omp_private_debug_clause, omp_clause_default_ctor,
15190 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15191 (c_finish_omp_clauses): New.
15192 (c_finish_bc_stmt): Diagnose break within omp for.
15193 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15194 (build_unary_op): Return error_mark after reporting
15196 (build_modify_expr): Likewise.
15197 * gimplify.c: Include optabs.h and pointer-set.h.
15198 (enum gimplify_omp_var_data): Declare.
15199 (struct gimplify_omp_ctx): Declare.
15200 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15202 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15203 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15204 (splay_tree_compare_decl_uid): New.
15205 (new_omp_context): New.
15206 (delete_omp_context): New.
15207 (gimple_add_tmp_var): Call omp_add_variable.
15208 (gimplify_bind_expr): Likewise.
15209 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15210 true, disregard DECL_VALUE_EXPR on the decl if any.
15211 (gimplify_expr_in_ctx): New.
15212 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15213 omp_add_variable, omp_notice_variable, omp_is_private
15214 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15215 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15216 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15217 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15218 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15219 gimplify_omp_atomic): New.
15220 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15221 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15222 OMP_CRITICAL and OMP_ATOMIC.
15223 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15224 * c-pragma.h (enum pragma_kind): Add
15225 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15226 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15227 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15228 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15229 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15230 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15231 PRAGMA_OMP_THREADPRIVATE.
15232 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15233 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15234 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15235 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15236 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15237 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15238 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15239 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15240 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15241 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15242 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15243 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15244 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15246 (struct nesting_info): Add field_map,
15247 suppress_expansion, debug_var_chain.
15248 (create_nesting_tree): Initialize them.
15249 (lookup_field_for_decl): Use field_map.
15250 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15251 (convert_local_omp_clauses): New.
15252 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15253 (walk_body): Split out of walk_function.
15254 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15255 (convert_nonlocal_reference): Handle omp statements.
15256 (convert_local_reference): Likewise.
15257 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15258 (unnest_nesting_tree): New.
15259 (lower_nested_functions): Call it.
15260 (insert_field_into_struct): Make extern.
15261 (struct walk_stmt_info): Move to tree-gimple.h.
15262 (walk_stmts): Make extern.
15263 * omp-builtins.def: New file.
15264 * tree-iterator.c (expr_only): Clarify comment.
15265 * c-common.h (pushdecl_top_level, pushdecl,
15266 build_modify_expr, build_indirect_ref,
15267 c_finish_omp_master, c_finish_omp_critical,
15268 c_finish_omp_ordered, c_finish_omp_barrier,
15269 c_finish_omp_atomic, c_finish_omp_flush,
15270 c_finish_omp_for, c_split_parallel_clauses,
15271 omp_clause_default_kind, c_omp_sharing_predetermined,
15272 c_omp_remap_decl): Declare.
15273 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15274 (OBJS-common): Add omp-low.o.
15275 (c-omp.o, omp-low.o): Add.
15276 (gimplify.o): Add dependency on $(OPTABS_H).
15277 (GTFILES): Add omp-low.c.
15278 (gt-stringpool.h): Add.
15279 * tree-cfg.c (set_bb_for_stmt): Do not update the
15280 block-to-labels map if we are currently expanding to RTL.
15281 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15283 Handle IDENTIFIER_NODE.
15284 (tree_verify_flow_info): Do not ICE when emitting error
15285 messages about invalid labels.
15286 (dump_function_to_file): Reset CFUN before emitting the body
15288 (debug_function): New.
15289 * passes.c (init_optimization_passes): Schedule
15291 * langhooks-def.h (lhd_omp_predetermined_sharing,
15292 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15294 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15295 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15296 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15297 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15298 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15299 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15300 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15301 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15302 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15303 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15304 (LANG_HOOK_DECLS): Use them.
15306 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15307 Richard Henderson <rth@redhat.com>
15308 Jakub Jelinek <jakub@redhat.com>
15309 Diego Novillo <dnovillo@redhat.com>
15311 * c-parser.c (pragma_omp_clause): Define.
15312 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15313 (c_parser_compound_statement): Likewise.
15314 (c_parser_statement): Likewise.
15315 (c_parser_pragma): Handle omp pragmas.
15316 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15317 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15318 (c_parser_omp_clause_name, check_no_duplicate_clause,
15319 c_parser_omp_variable_list,
15320 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15321 c_parser_omp_clause_copyprivate,
15322 c_parser_omp_clause_default,
15323 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15324 c_parser_omp_clause_lastprivate,
15325 c_parser_omp_clause_nowait,
15326 c_parser_omp_clause_num_threads,
15327 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15328 c_parser_omp_clause_reduction,
15329 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15330 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15331 c_parser_omp_atomic, c_parser_omp_barrier,
15332 c_parser_omp_critical, c_parser_omp_flush,
15333 c_parser_omp_for_loop, c_parser_omp_for,
15334 c_parser_omp_master, c_parser_omp_ordered,
15335 c_parser_omp_sections_scope, c_parser_omp_sections,
15336 c_parser_omp_parallel, c_parser_omp_single,
15337 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15338 * c-pragma.c (init_pragma): Do omp pragma registration here.
15339 * c.opt (fopenmp): New flag.
15341 2006-01-18 Eric Christopher <echristo@apple.com>
15343 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15344 * config/darwin.h (GOMP_SELF_SPECS): Define.
15346 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15348 * rtl.h: Remove the prototype for reg_alloc.
15350 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15353 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15354 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15355 sjlj and dwarf2 exception handling.
15356 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15357 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15358 * pa/pa.c (function_value): Treat complex and vector types as
15360 (function_arg): Likewise. Only pass scalar floats in the floating
15361 point argument registers.
15362 * pa/t-slibgcc-dwarf-ver: New file.
15363 * pa/t-slibgcc-sjlj-ver: New file.
15364 * pa/t-slibgcc-elf-ver: Delete file.
15366 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15368 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15369 unlikely_test_section_p test.
15371 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15373 * mode-switching.c (optimize_mode_switching): Make it static.
15374 * basic-block.h: Remove the prototype for
15375 optimize_mode_switching.
15377 * modulo-sched.c (sms_schedule): Make it static.
15378 * rtl.h: Remove the prototype for sms_schedule.
15380 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15381 * rtl.h: Remove the prototype for gcse_after_reload_main.
15383 * reg-stack.c (reg_to_stack): Make it static.
15384 * rtl.h: Remove the prototype for reg_to_stack.
15386 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15388 * rtl.h: Remove the prototypes for regrename_optimize and
15389 copyprop_hardreg_forward.
15391 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15393 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15394 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15395 Test against the appropriate null constant for the mode.
15396 If 'fixup_overlap' is true, swap the operands if they overlap.
15397 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15398 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15399 alpha_split_tmode_pair and adjust for above change.
15400 * config/alpha/alpha.md (movtf_internal): Adjust call to
15401 alpha_split_tfmode_pair and rely on it to swap the operands.
15402 (movti_internal): New insn and post-reload splitter.
15403 (movti): New expander.
15405 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15407 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15410 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15412 * rtlanal.c (global_reg_mentioned_p_1,
15413 global_reg_mentioned_p): Remove.
15414 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15416 * flow.c (initialize_uninitialized_subregs): Make it static.
15417 * rtl.h: Remove the prototype for
15418 initialize_uninitialized_subregs.
15420 * function.c (instantiate_virtual_regs): Make it static.
15421 * function.h: Remove the prototype for
15422 instantiate_virtual_regs.
15424 * regmove.c (regmove_optimize, combine_stack_adjustments):
15426 * rtl.h: Remove the prototypes for regmove_optimize and
15427 combine_stack_adjustments.
15429 2006-01-17 Roger Sayle <roger@eyesopen.com>
15431 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15432 (size_cost): Encode costs in bytes so that a reg-reg addition is
15433 equivalent to COSTS_N_INSNS(1).
15434 (override_options): Use the size_cost.branch_cost as the default
15435 ix86_branch_cost when optimizing for size.
15437 2006-01-18 Ben Elliston <bje@au.ibm.com>
15439 * Makefile.in (D32PBIT_FUNCS): New.
15440 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15441 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15442 D64PBIT_FUNCS and D128PBIT_FUNCS.
15443 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15444 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15446 (decnumber_dep): Define.
15447 * doc/libgcc.texi (Decimal float library routines): New node.
15448 * config/dfp-bit.h, config/dfp-bit.c: New files.
15450 2006-01-18 Ben Elliston <bje@au.ibm.com>
15452 * expr.c (emit_move_change_mode): Always adjust addresses, not
15453 just during reload. Copy replacements only during reload.
15454 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15455 emit_move_via_integer.
15457 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15459 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15460 instead of $(srcdir) and ${srcdir}.
15462 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15465 PR middle-end/11135
15466 * arm.h (struct machine_function): Add pic_reg.
15467 * arm.c (arm_pic_register): Make unsigned.
15468 (arm_override_options): Only set arm_pic_register if
15469 TARGET_SINGLE_PIC_BASE.
15470 (use_return_insn): Only test for a pic register if it is fixed.
15471 (arm_compute_save_reg0_reg12_mask): Likewise.
15472 (thumb_compute_save_reg_mask): Likewise.
15473 (legitimate_pic_operand): Factor out some known invariants.
15474 (legitimize_pic_address): If we don't have a fixed pic register,
15475 then set up a pseudo in the function entry sequence. Handle the
15476 pic base being in a pseudo.
15477 (arm_load_pic_register): Handle the pic register being in a pseudo.
15478 (arm_expand_prologue): Only set up the pic register if it is fixed.
15479 (thumb_expand_prologue): Likewise.
15480 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15481 (pic_load_addr_based_insn): Likewise.
15482 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15485 2006-01-18 Ben Elliston <bje@au.ibm.com>
15487 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15488 decimal float modes for all floating point registers.
15490 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15491 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15493 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15496 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15497 even when the pointer is not NULL.
15499 2006-01-16 Ian Lance Taylor <ian@airs.com>
15501 * common.opt (ftoplevel-reorder): New option.
15502 * cgraph.c (cgraph_asm_nodes): New global variable.
15503 (cgraph_asm_last_node): New static variable.
15504 (cgraph_order): New global variable.
15505 (cgraph_create_node): Set new order field.
15506 (cgraph_varpool_node): Likewise.
15507 (decide_is_variable_needed): Return true if not
15508 flag_toplevel_reorder.
15509 (cgraph_add_asm_node): New function.
15510 * cgraph.h (struct cgraph_node): Add order field.
15511 (struct cgraph_varpool_node): Add order field.
15512 (struct cgraph_asm_node): Define.
15513 (cgraph_asm_nodes, cgraph_order): Declare.
15514 (cgraph_add_asm_node): Declare.
15515 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15517 (cgraph_varpool_assemble_pending_decls): Call it.
15518 (cgraph_output_pending_asms): New static function.
15519 (cgraph_finalize_compilation_unit): Call it.
15520 (struct cgraph_order_sort): Define.
15521 (cgraph_output_in_order): New static function.
15522 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15523 !flag_toplevel_reorder case.
15524 * c-parser.c: Include "cgraph.h".
15525 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15527 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15528 than -fno-unit-at-a-time.
15529 * doc/invoke.texi (Option Summary): Mention
15530 -fno-toplevel-reorder.
15531 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15532 -funit-at-a-time documentation.
15534 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15535 Kazu Hirata <kazu@codesourcery.com>
15537 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15539 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15541 * Makefile.in (FUNCTION_H): New. Use it instead of
15542 function.h throughout the file.
15543 * function.h: Include tree.h.
15545 2006-01-17 Ben Elliston <bje@au.ibm.com>
15547 * recog.c: Separate some functions with whitespace.
15549 2006-01-16 Richard Henderson <rth@redhat.com>
15551 Merge from gomp branch:
15552 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15553 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15554 and rename from struct inline_data. Rename callee* to dst*;
15555 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15556 transform_new_cfg, transform_return_to_modify, and
15557 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15559 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15560 (copy_decl_for_dup): Remove.
15561 * tree-inline.c (struct inline_data): Move to header.
15562 (insert_decl_map): Export.
15563 (remap_decl): Update for member name changes. Use copy_decl hook.
15564 Allow for replacement to be a non-decl. Remove dead code.
15565 (remap_type_1): Check for existing mapping.
15566 (remap_type): Export.
15567 (remap_decls): Update for member name changes.
15568 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15569 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15570 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15571 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15572 (tree_function_versioning, build_duplicate_type): Likewise.
15573 (copy_body_r): Likewise. Export.
15574 (copy_decl_for_dup): Split into ...
15575 (copy_decl_for_dup_finish, copy_decl_to_var,
15576 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15577 (replace_ref_tree, inlining_p): Remove.
15579 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15581 * ifcvt.c (if_convert): Make it static.
15582 * rtl.h: Remove the prototype for if_convert.
15584 * local-alloc.c (local_alloc): Make it static.
15585 * rtl.h: Remove the prototype for local_alloc.
15587 * loop.c (loop_optimize): Make it static.
15588 * cfgloop.h: Remove the prototype for loop_optimize.
15591 2006-01-16 DJ Delorie <dj@redhat.com>
15593 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15596 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15598 * pa.md: Disparage copies between general and floating-point registers
15599 in 32-bit move patterns.
15601 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15604 * Makefile.in (check-%): Depend on site.exp instead of
15605 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15608 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15610 * global.c (global_alloc): Make it static.
15611 * rtl.h: Remove the prototype for global_alloc.
15613 2006-01-16 Richard Guenther <rguenther@suse.de>
15615 * tree-ssa-alias.c (struct used_part): Add write_only field.
15616 (get_or_create_used_part_for): Initialize it to true.
15617 (create_overlap_variables_for): Don't create structure variables
15618 for structures that only are written to.
15619 (find_used_portions): Handle MODIFY_EXPR to track whether a
15620 structure is only written to.
15622 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15624 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15626 * basic-block.h: Remove the prototype for
15627 partition_hot_cold_basic_blocks.
15629 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15631 * cppspec.c (lang_specific_spec_functions): Remove.
15632 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15633 * gcc.h (lang_specific_spec_functions): Remove.
15634 * gccspec.c (lang_specific_spec_functions): Remove.
15636 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15638 * combine.c (record_value_for_reg): Invalidate registers
15640 (record_dead_and_set_regs_1): Likewise, by passing them to
15641 record_value_for_reg.
15642 (record_dead_and_set_regs): Invalidate stores made by a
15643 call. We do not combine across a call, but we still
15644 relied on equivalences.
15646 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15648 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15649 vrp_int_const_binop returning non-constant nodes.
15651 2006-01-16 Paul Brook <paul@codesourcery.com>
15653 * config/m68k/m68k.c (output_move_const_into_data_reg):
15654 Output correct mnemonic for mvz and mvs.
15656 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15658 * rtl-factoring.c: Add sequence abstraction algorithm.
15659 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15660 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15662 (block_has_preserve_label): New function.
15663 * common.opt: Register new pass.
15664 * Makefile.in: Ditto.
15666 * timevar.def: Ditto.
15667 * tree-pass.h: Ditto.
15668 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15669 * rtl.h (make_jump_insn_raw): Add forward decl.
15670 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15672 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15673 Roger Sayle <roger@eyesopen.com>
15675 * fold-const.c (fold_minmax): New static function.
15676 (fold_binary) <MIN_EXPR>: Call it.
15677 <MAX_EXPR>: Likewise.
15678 * stor-layout.c (place_field): Use DECL_SIZE consistently
15679 in the computation of the new record size.
15681 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15683 * cse.c (cse_condition_code_reg): Make it static.
15684 * rtl.h: Remove the prototype for cse_condition_code_reg.
15686 * combine.c (combine_instructions): Make it static.
15687 * rtl.h: Remove the prototype for combine_instructions.
15689 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15692 * tree.c (get_file_function_name_long): Concatenate the first global
15693 object name with a string derived from the input filename of the object
15696 2006-01-16 Ben Elliston <bje@au.ibm.com>
15698 * config/i386/winnt-stubs.c: Update FSF address.
15699 * config/xtensa/ieee754-df.S: Ditto.
15700 * config/xtensa/ieee754-sf.S: Ditto.
15702 2006-01-14 Ian Lance Taylor <ian@airs.com>
15704 * ifcvt.c (noce_init_if_info): New static function, broken out of
15705 noce_process_if_block.
15706 (noce_process_if_block): Call noce_init_if_info.
15707 (check_cond_move_block): New static function.
15708 (cond_move_process_if_block): New static function.
15709 (process_if_block): Call cond_move_process_if_block.
15711 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15713 * cselib.c (hash_table): Rename to cselib_hash_table.
15714 (cselib_clear_table, discard_useless_values,
15715 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15716 cselib_init, cselib_finish): Adjust uses of hash_table.
15718 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15720 PR tree-optimization/25485
15721 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15722 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15723 is known to be false and true, respectively.
15725 2006-01-14 Richard Guenther <rguenther@suse.de>
15727 PR tree-optimization/22548
15728 PR tree-optimization/22555
15729 PR tree-optimization/22501
15730 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15731 * params.def (salias-max-array-elements): New parameter.
15732 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15733 * doc/invoke.texi (salias-max-array-elements): Document.
15734 * tree-flow-inline.h (var_can_have_subvars): We also handle
15736 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15738 * tree-ssa-structalias.c (params.h): Include.
15739 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15740 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15741 (get_constraint_for): For ADDR_EXPR operating on something
15742 containing an ARRAY_REF, add all subvars to the solution.
15743 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15744 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15745 for creating MUST_DEFs.
15746 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15748 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15750 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15752 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15753 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15754 number_of_iterations_le): New functions.
15755 (number_of_iterations_special): Removed.
15756 (number_of_iterations_exit): Do not use number_of_iterations_special.
15757 * tree.c (unsigned_type_for): Always return integer type.
15759 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15760 Richard Guenther <rguenther@suse.de>
15762 PR rtl-optimization/24257
15763 * gcse.c (find_moveable_store): Only consider a store movable
15764 when the SET_SRC of the insn can be assigned to a register.
15766 2006-01-14 Ian Lance Taylor <ian@airs.com>
15768 * tree.c (tree_not_class_check_failed): New function.
15769 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15770 (tree_not_class_check_failed): Declare.
15772 2006-01-13 Ian Lance Taylor <ian@airs.com>
15774 * reload1.c (do_output_reload): Add assertion rejecting a
15777 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15779 * combine.c (struct reg_stat): Add new fields truncation_label and
15781 (record_value_for_reg): Reset truncated_to_mode.
15782 (record_truncated_value): New function.
15783 (check_promoted_subreg): Call it. Rename to check_conversions.
15784 (combine_instructions): Rename check_promoted_subreg to
15786 (reg_truncated_to_mode): New function.
15787 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15788 (gen_lowpart_or_truncate): New function.
15789 (force_to_mode): Use it instead of gen_lowpart.
15791 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15793 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15794 VAR is a tag, not its type tag.
15796 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15798 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15799 alternatives to match style of other entries.
15800 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15802 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15804 PR tree-optimization/25771
15805 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15808 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15811 * tree-inline.c (declare_return_variable): If the return variable
15812 was marked as a non gimple complex, set the return slot variable
15813 to be a non gimple comple variable.
15815 2006-01-13 Richard Guenther <rguenther@suse.de>
15817 * builtins.c (expand_builtin_sincos): New function.
15818 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15820 (expand_builtin): Expand sincos using expand_builtin_sincos.
15822 2006-01-12 DJ Delorie <dj@redhat.com>
15824 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15825 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15826 so that constant shifts can be split.
15827 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15828 (m32c_valid_pointer_mode): Make static.
15829 (shift_gen_func_for): New.
15830 (m32c_prepare_shift): Use it. Split large const shifts into
15832 * config/m32c/predicates.md (shiftcount_operand): Allow more
15834 (longshiftcount_operand): New.
15835 * doc/md.texi (Machine Constraints): Document In6.
15837 2006-01-13 Ben Elliston <bje@au.ibm.com>
15839 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15840 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15843 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15845 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15846 to try to avoid clobbering pieces of structures when we know
15847 something about the whole structure.
15848 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15850 2006-01-13 Ben Elliston <bje@au.ibm.com>
15852 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15853 return in memory, as this is no limitation is no longer present.
15855 2006-01-12 DJ Delorie <dj@redhat.com>
15857 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15858 mova with fb, and for fb+0 -> An.
15860 * config/m32c/mov.md (peephole2): Fix enabling logic.
15862 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15863 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15864 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15865 FINI_ARRAY_SECTION_ASM_OP): Define.
15867 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15869 (m32c_legitimize_reload_address): New logic to reload FB to An.
15870 (m32c_output_reg_push): Add newline.
15871 (m32c_output_reg_pop): Likewise.
15873 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15875 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15877 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15879 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15881 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15883 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15886 2006-01-11 Ben Elliston <bje@au.ibm.com>
15888 * rtlanal.c (find_reg_note): Assert insn is not null.
15890 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15892 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15895 2006-01-11 Jeff Law <law@redhat.com>
15897 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15899 (mark_threaded_blocks, register_jump_thread): New functions.
15900 (thread_through_all_blocks): Remove unwanted argument. No
15901 longer rely on e->aux to communicate thread target info.
15902 Call mark_threaded_blocks. Release the threaded_blocks
15903 bitmap and threaded_edges vector when complete.
15904 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15905 (threaded_blocks): Remove.
15906 (tree_ssa_dominator_optimize): Remove initialization and
15907 finalization of threaded_blocks. Simplify call to
15908 thread_through_all_blocks.
15909 (thread_across_edge): Call register_jump_thread rather than
15910 storing thread information into e->aux.
15911 (free_all_edge_infos): Simplify now that e->aux is no longer
15912 used to communicate with thread_through_all_blocks.
15913 * tree-flow.h (thread_through_all_blocks): Update prototype.
15914 (register_jump_thread): Prototype.
15916 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15918 * df-core.c (df_compact_blocks, df_bb_replace): Use
15919 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15921 2006-01-11 Richard Guenther <rguenther@suse.de>
15923 PR tree-optimization/25734
15924 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15925 stop propagation after successful propagation to the LHS.
15927 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15929 * basic-block.h (control_flow_graph): Change the type of
15930 x_basic_block_info to VEC(basic_block,gc) *.
15931 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15933 (SET_BASIC_BLOCK): New.
15934 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15935 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15936 * cfgbuild.c (find_basic_blocks): Likewise.
15937 * cfglayout.c (fixup_reorder_chain): Likewise.
15938 * cfgrtl.c (create_basic_block_structure,
15939 rtl_create_basic_block): Likewise.
15940 * ifcvt.c (find_if_case_1): Likewise.
15941 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15944 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15946 * Makefile.in: Removed rotted odf.c entry.
15948 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15951 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15952 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15953 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15954 output pattern modifier, not %e.
15955 * config/cris/cris.c (cris_op_str): Update comment about pattern
15957 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15958 before falling through into...
15959 <case 'E'>: Redefined from old 'e' case.
15961 2006-01-11 Jan Hubicka <jh@suse.cz>
15964 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15966 2006-01-11 Jan Hubicka <jh@suse.cz>
15968 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15969 * i386.c (x86_decompose_lea): Kill.
15970 (ix86_rtx_costs): Kill.
15972 2006-01-11 Jan Hubicka <jh@suse.cz>
15974 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15975 * cgraph.h (cgraph_node): Add inline_decl.
15976 (cgraph_insert_node_to_hashtable): Declare.
15977 (save_inline_function_body): Declare.
15978 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15980 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15981 (cgraph_function_versioning): Update call of tree_function_versioning.
15982 (save_inline_function_body): New function.
15983 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15984 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15985 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15986 (cgraph_default_inline_p): Likewise.
15987 (cgraph_decide_inlining_incrementally): Likewise.
15988 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15989 (copy_bb): Kill saving; do updating of clones.
15990 (copy_cfg_body): Kill saving.
15991 (initialize_inlined-parameters): Likewise.
15992 (expand_call_inline): Likewise.
15994 (tree_function_versioning): New parameter "update_clones".
15995 (inlining_p): Kill saving.
15996 * tree-inline.h (tree_function_versioning): Update prototype.
15997 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16000 2006-01-11 Ian Lance Taylor <ian@airs.com>
16002 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16003 Allow undoing set of machine mode.
16004 (do_SUBST): Use enums instead of is_int.
16005 (do_SUBST_MODE): New function.
16006 (SUBST_MODE): New macro.
16007 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16008 reg and trying to replace reg_regno_rtx with a new register.
16009 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16010 (simplify_set): Use SUBST_MODE.
16011 (distribute_notes): Remove code that tried to update reg notes
16012 for regno_reg_rtx changes.
16014 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16016 PR tree-optimization/23109
16017 PR tree-optimization/23948
16018 PR tree-optimization/24123
16020 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16021 * tree-cfg.c (single_noncomplex_succ): New.
16022 * tree-flow.h (single_noncomplex_succ): Declare it.
16023 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16024 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16025 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16026 insert_bb, register_division_in, insert_reciprocals,
16027 replace_reciprocal, free_bb): New.
16028 (execute_cse_reciprocals_1): Rewritten.
16029 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16030 Do not commit any edge insertion. Always compute dominators and
16031 create the allocation pool.
16032 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16033 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16034 * targhooks.c (default_min_divistions_for_recip_mul): New.
16035 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16036 * passes.c (init_optimization_passes): Run recip after tree loop
16038 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16040 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16041 Kenneth Zadeck <zadeck@naturalbridge.com>
16043 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16044 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16045 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16046 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16047 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16048 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16049 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16050 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16051 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16052 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16053 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16054 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16055 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16056 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16057 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16058 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16059 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16060 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16061 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16062 DF_SCAN_POST_ALLOC): New macros.
16063 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16064 df_free_bb_function, df_local_compute_function, df_init_function,
16065 df_dataflow_function, df_confluence_function_0,
16066 df_confluence_function_n, df_transfer_function,
16067 df_finalizer_function, df_free_function, df_dump_problem_function,
16068 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16069 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16070 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16071 df_urec_bb_info, ) New types.
16072 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16074 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16075 df_analyze_simple_change_some_blocks,
16076 df_analyze_simple_change_one_block, df_compact_blocks,
16077 df_bb_replace, df_bb_regno_last_use_find,
16078 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16079 df_insn_regno_def_p, df_find_def, df_find_use,
16080 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16081 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16082 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16083 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16084 debug_df_chain, df_get_dependent_problem, df_chain_create,
16085 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16086 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16087 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16088 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16089 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16090 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16091 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16092 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16093 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16094 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16095 df_reorganize_refs, df_set_state, df_hard_reg_init,
16096 df_read_modify_subreg_p) New public functions.
16097 * df-core.c: The core dataflow solver and glue routines for rtl
16099 (df_init, df_add_problem, df_set_blocks, df_finish,
16100 df_hybrid_search_forward, df_hybrid_search_backward,
16101 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16102 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16103 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16104 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16105 df_reg_defined, df_find_use, df_reg_used, df_dump,
16106 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16107 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16108 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16109 debug_df_useno, reset_df_after_reload): New functions.
16110 * df-scan.c: The scanning fuctions, once in df.c, completely
16111 rewritten so that they now fully model the functionality of
16112 register usage at the backend.
16113 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16114 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16115 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16116 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16117 df_get_artificial_defs, df_get_artificial_uses,
16118 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16119 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16120 df_refs_delete, df_reorganize_refs, df_set_state,
16121 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16122 df_def_record_1, df_defs_record, df_uses_record,
16123 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16124 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16125 df_record_exit_block_uses, df_hard_reg_init): New functions.
16127 * df-problems.c: Seven concrete dataflow problems that use the
16128 scanning in df-scan.c and are solved by the engine in df-core.c.
16129 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16130 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16131 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16132 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16133 df_ru_free_bb_info, df_ru_alloc,
16134 df_ru_bb_local_compute_process_def,
16135 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16136 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16137 df_ru_transfer_function, df_ru_free, df_ru_dump,
16138 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16139 df_rd_free_bb_info, df_rd_alloc,
16140 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16141 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16142 df_rd_transfer_function, df_rd_free, df_rd_dump,
16143 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16144 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16145 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16146 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16147 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16148 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16149 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16150 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16151 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16152 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16153 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16154 df_urec_mark_reg_use_for_earlyclobber,
16155 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16156 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16157 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16158 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16159 df_chain_create_bb_process_use, df_chain_create_bb,
16160 df_chain_finalize, df_chain_free, df_chains_dump,
16161 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16162 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16163 df_reg_lifetime): New functions.
16164 * df.c: Deleted file.
16165 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16166 consistent with new df api.
16167 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16168 rest_of_handle_sms): Ditto.
16169 * web.c (unionfind_union, union_defs, entry_register, web_main):
16171 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16172 invariant_expr_equal_p, find_defs, check_dependencies,
16173 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16174 free_inv_motion_data, move_loop_invariants): Ditto.
16175 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16176 Update dependencies.
16177 (odf.c): Added defective entry that was deleted later in day.
16178 * sched-deps.c (sched_analyze_1): Ditto.
16180 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16182 * tree-ssa-operands.c (get_expr_operands): Record addressable
16183 variables directly. Do not call add_stmt_operands for CONST_DECLs
16185 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16186 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16188 2006-01-11 Ben Elliston <bje@au.ibm.com>
16190 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16191 function returns true in the positive case.
16193 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16196 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16197 for SI, DI, SF and DF modes. Add alternatives to copy between
16198 general and floating point registers to the 32-bit patterns.
16199 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16200 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16201 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16202 generating 64-bit code.
16203 * config/pa/pa.c (output_move_double): Handle copies between general
16204 and floating registers.
16206 2006-01-10 Stuart Hastings <stuart@apple.com>
16208 * config/i386/i386.md (set_got): Update.
16209 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16210 (builtin_setjmp_receiver): Mach-O support.
16211 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16212 (GOT_SYMBOL_NAME): Define.
16213 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16214 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16215 * config/i386/i386.c (override_options): Revise for Darwin.
16216 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16217 support. (darwin_x86_file_end): New. (output_set_got): Add label
16218 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16219 * config/i386/i386-protos.h (output_set_got): Likewise.
16220 * config/darwin.c (machopic_legitimize_pic_address): Update
16223 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16225 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16226 when MODE isn't BLKmode.
16228 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16230 PR rtl-optimization/25367
16231 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16233 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16236 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16237 for a negative bound.
16239 2006-01-10 Richard Guenther <rguenther@suse.de>
16241 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16242 Never override with anything constraint.
16244 2006-01-10 Jan Beulich <jbeulich@novell.com>
16246 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16247 256 bits when optimize_size.
16249 2006-01-10 Jan Beulich <jbeulich@novell.com>
16251 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16253 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16254 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16257 2006-01-10 Ben Elliston <bje@au.ibm.com>
16259 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16261 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16262 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16263 (USE_FP_FOR_ARG): Reject decimal float modes.
16264 (function_arg_advance): Likewise.
16265 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16266 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16267 point types in AltiVec vectors.
16268 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16269 (rs6000_libcall_value): Likewise.
16271 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16273 * config/xtensa/ieee754-df.S: New file.
16274 * config/xtensa/ieee754-sf.S: New file.
16275 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16276 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16277 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16279 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16281 * config/sh/predicates.md (binary_float_operator,
16282 binary_logical_operator, commutative_float_operator,
16283 equality_comparison_operator, greater_comparison_operator,
16284 less_comparison_operator, logical_operator,
16285 noncommutative_float_operator, shift_operator,
16286 symbol_ref_operand, unary_float_operator): Remove redundant
16289 2006-01-09 Jeff Law <law@redhat.com>
16291 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16292 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16293 now unused arguments. Callers updated.
16294 (eliminate_redundant_computations): Remove now unused arguments,
16296 (local_fold): Remove, no longer used.
16297 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16299 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16300 (simplify_cond): New function.
16301 (forward_propagate_into_cond): Call simplify_cond.
16303 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16305 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16306 (*vec_extractv2di_1_sse): New.
16308 2006-01-09 Ben Elliston <bje@au.ibm.com>
16310 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16312 2006-01-08 Richard Guenther <rguenther@suse.de>
16314 * tree-ssa-structalias.c (get_constraint_for): Remove
16315 anyoffset argument.
16316 (get_constraint_for_component_ref): Likewise.
16317 (do_deref): Likewise.
16318 (get_constraint_for): Likewise.
16319 (do_structure_copy): Likewise.
16320 (handle_ptr_arith): Likewise.
16321 (find_func_aliases): Likewise. Remove unused need_anyoffset
16324 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16325 Kaz Kojima <kkojima@gcc.gnu.org>
16327 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16328 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16329 (EXTRA_CONSTRAINT_C16): Remove.
16330 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16331 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16332 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16333 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16334 constants of SHmedia. Handle nested constant expressions of
16336 (andcosts): Fix the costs for SHmedia constants.
16337 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16338 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16339 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16340 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16341 (movv4hi_i, movv2si_i): Likewise.
16342 (movsi_const): Adjust the second operand of ior so to match with
16343 the Csu constraint.
16344 (movdi_const, movdi_const_32bit): Likewise.
16345 (movdi_const_16bit+1): Don't sign-extend LOW.
16346 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16348 (*double_shori): Fix the split condition. Use GEN_INT instead
16349 of get_int_mode calls. Mask lower 16-bit of the argument of
16351 (sym2GOTPLT): Remove.
16352 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16354 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16355 instead of EXTRA_CONSTRAINT_C16.
16357 2006-01-07 Ian Lance Taylor <ian@airs.com>
16358 David Edelsohn <edelsohn@gnu.org>
16360 PR rtl-optimization/25662
16361 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16362 for constant operands instead of simplify_gen_binary.
16363 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16364 after trying simplify_binary_operation
16366 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16368 * tree.c (iterative_hash_expr): Hash decls based on UID.
16370 2006-01-06 Eric Christopher <echristo@apple.com>
16372 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16373 (TARGET_UNWIND_EMIT): Fix spelling.
16374 * target.h (gcc_target): Add except_table_label.
16375 * except.c (output_function_exception_table): Use.
16376 * varasm.c (default_emit_except_table_label): New.
16377 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16379 (asm_out): Add here.
16380 * output.h (default_emit_except_table_label): Prototype.
16381 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16382 * config/darwin.c (darwin_emit_except_table_label): Define.
16383 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16385 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16387 PR tree-optimization/18527
16388 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16389 number_of_iterations_special, number_of_iterations_exit):
16390 Move base and step of an iv to a single structure. Add
16391 no_overflow flag, and use it in # of iterations analysis.
16392 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16393 folded_casts argument.
16394 (simple_iv): Pass base and step in a structure. Set no_overflow
16396 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16397 Evaluate expensiveness of computing # of iterations instead of
16398 the final expression.
16399 * tree-scalar-evolution.h (affine_iv): New structure.
16400 (simple_iv): Declaration changed.
16401 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16402 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16403 find_givs_in_stmt): Changed due to simple_iv change.
16405 2006-01-06 Jeff Law <law@redhat.com>
16408 * tree-cfg.c (bsi_replace): Rename final argument from
16409 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16410 change (stmt -> orig_stmt).
16411 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16412 (bsi_remove): Add new argument. Remove EH information
16414 (verify_eh_throw_table_statements): New function.
16415 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16417 * tree-optimize.c (execute_free_cfg_annotations): Verify
16418 the EH throw statement table after removing annotations.
16419 * except.h (verify_eh_throw_table_statements): Prototype.
16420 * tree-flow.h (bsi_remove): Update prototype.
16421 * tree-vrp.c (remove_range_assertions): Add new argument to
16423 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16424 * tree-complex.c (expand_complex_div_wide): Likewise.
16425 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16426 * tree-tailcall.c (eliminate_tailcall): Likewise.
16427 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16428 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16429 * tree-nrv.c (tree_nrv): Likewise.
16430 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16431 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16432 (combine_blocks): Likewise.
16433 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16434 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16435 (cleanup_control_flow): Likewise.
16436 (remove_forwarder_block): Likewise.
16437 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16438 * tree-sra.c (sra_replace): Likewise.
16439 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16440 (forward_propagate_single_use_vars): Likewise.
16441 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16442 * tree-inline.c (expand_call_inline): Likewise.
16443 * tree-vect-transform.c (vect_transform_loop): Likewise.
16444 * tree-outof-ssa.c (rewrite_trees): Likewise.
16445 * tree-cfg.c (make_goto_expr_edges): Likewise.
16446 (cleanup_dead_labels): Likewise.
16447 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16448 (bsi_move_before, bsi_move_after): Likewise.
16449 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16450 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16452 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16455 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16457 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16458 on non gimple variables. Also add checks at the top for decls and
16460 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16462 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16463 and IMAGPART_EXPR for creating MUST_DEFs.
16464 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16465 and NAME_MEMORY_TAG separately from the DECLs.
16467 2006-01-06 Richard Guenther <rguenther@suse.de>
16469 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16470 annotation, if necessary.
16471 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16472 redundant calls to update_stmt.
16473 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16476 2006-01-05 Richard Henderson <rth@redhat.com>
16478 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16480 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16482 * c-typeck.c: Update copyright date.
16484 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16486 * c-typeck.c (build_c_cast): Always warn when casting
16487 from a pointer to an integer of different size, even if
16488 the node was constant.
16490 2006-01-05 Richard Guenther <rguenther@suse.de>
16492 PR tree-optimization/22555
16493 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16494 if one structure field is an array.
16495 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16496 operands even if we found a subvar, but ignore VOPs in this
16498 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16500 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16502 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16504 PR middle-end/24998
16505 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16507 2006-01-05 Richard Guenther <rguenther@suse.de>
16508 Diego Novillo <dnovillo@redhat.com>
16510 * tree-pass.h (TODO_remove_unused_locals): Define.
16511 * gimple-low.c (expand_var_p, remove_useless_vars,
16512 pass_remove_useless_vars): Remove. Update all users.
16513 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16514 (remove_unused_locals): New function.
16515 * tree-flow.h (remove_unused_locals): Declare.
16516 * passes.c (execute_todo): Call remove_unused_locals if
16517 TODO_remove_unused_locals is set.
16518 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16519 * tree-ssa-dce.c (pass_dce): Likewise.
16520 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16522 2006-01-05 Richard Guenther <rguenther@suse.de>
16524 * tree-flow.h (struct fieldoff): Decompose field to
16525 type, size and decl.
16526 * tree-ssa-alias.c (create_sft): Take type as parameter.
16527 (create_overlap_variables_for): Store type, size and decl
16528 in the fieldoff structure.
16529 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16530 of struct fieldoff.
16531 (push_fields_onto_fieldstack): Likewise.
16532 (create_variable_info_for): Likewise. Use offset for the
16533 SFT name if the decl is not available.
16535 2006-01-04 Paul Brook <paul@codesourcery.com>
16537 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16539 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16541 * lambda-code.c (can_put_in_inner_loop): Relax
16543 (can_put_after_inner_loop): New function.
16544 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16545 (perfect_nestify): Change to make copies and modify uses.
16547 2006-01-04 Richard Henderson <rth@redhat.com>
16549 Merge from gomp branch:
16550 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16551 via integer constant.
16552 (pragma_lex): Remove.
16553 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16554 rather than parsing it.
16555 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16556 handle_pragma_extern_prefix): Add %< %> quotes.
16557 (registered_pragmas): New.
16558 (c_register_pragma_1): New.
16559 (c_register_pragma): Use it.
16560 (c_register_pragma_with_expansion): Likewise.
16561 (c_invoke_pragma_handler): New.
16562 (init_pragma): Use cpp_register_deferred_pragma directly for
16564 * c-pragma.h (enum pragma_kind): New.
16565 (pragma_handler): New.
16566 (c_invoke_pragma_handler): Declare.
16567 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16569 * c-common.h (c_common_pch_pragma): Update decl.
16570 * Makefile.in (c-parser.o): Update dependencies.
16571 (GTFILES): Add c-pragma.h.
16572 * c-parser.c (struct c_token): Add pragma_kind.
16573 (struct c_parser): Add in_pragma.
16574 (c_lex_one_token): Always initialize keyword and pragma_kind.
16575 Extract data for CPP_PRAGMA.
16576 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16577 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16578 Don't allow CPP_PRAGMA_EOL if in_pragma.
16579 (c_parser_consume_pragma): New.
16580 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16581 (c_parser_skip_to_end_of_parameter): Likewise.
16582 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16583 (c_parser_skip_to_pragma_eol): New.
16584 (c_parser_external_declaration): Handle CPP_PRAGMA.
16585 (c_parser_compound_statement_nostart): Likewise.
16586 (c_parser_statement_after_labels): Likewise.
16587 (c_parser_pragma): New.
16588 (pragma_lex): Likewise.
16589 (c_parser_pragma_pch_preprocess): New.
16590 (c_parser_new): Merge into ...
16591 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16593 2006-01-04 Jeff Law <law@redhat.com>
16596 * tree-cfg.c (bsi_replace): Remove the original statement
16597 from the EH throw statement table.
16599 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16601 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16602 make the prototype extern "C" and add throw ().
16605 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16606 and pos non-negative and pos + len <= 32.
16607 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16608 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16609 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16612 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16613 as well as sizes not multiple of component size.
16616 * function.c (instantiate_expr): New function.
16617 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16618 walk its DECL_VALUE_EXPR with instantiate_expr.
16620 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16621 DW_OP_deref{,_size} if address isn't going to be added.
16623 2006-01-04 Ben Elliston <bje@au.ibm.com>
16625 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16626 * config/fp-bit.c: Likewise.
16628 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16630 * dominance.c: Add comment about why we use DFS numbering
16633 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16634 Richard Henderson <rth@redhat.com>
16636 Merge from gomp-branch:
16637 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16638 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16640 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16642 PR rtl-optimization/25578
16643 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16644 pass a parameter to simplify_shift_const if changing ASHIFTRT
16647 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16649 * builtins.c (get_builtin_sync_mem): New function.
16650 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16651 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16652 Call get_builtin_sync_mem to generate mem rtx.
16654 2006-01-03 Richard Guenther <rguenther@suse.de>
16657 * stmt.c (add_case_node): Make sure to clear overflow flags
16660 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16662 Merge from gomp-branch.
16663 * config/sparc/sync.md: New file.
16664 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16665 UNSPECV_LDSTUB): New constants.
16666 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16667 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16668 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16671 2006-01-03 Roger Sayle <roger@eyesopen.com>
16673 * combine.c (reg_subword_p): New predicate to test whether the
16674 destination of a set refers to a subword/piece of a register.
16675 (try_combine): Generalize the code to merge the setting of a
16676 pseudo to a constant followed by a set of a subword of that
16677 register to a constant.
16679 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16681 * basic-block.h (control_flow_graph): Change the type of
16682 x_label_to_block_map to VEC(basic_block,gc) *.
16683 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16684 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16686 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16687 VEC(basic_block,heap) *.
16688 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16689 ssa_prop_fini): Adjust the uses of cfg_blocks.
16691 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16693 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16695 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16696 hashing trees instead of a pointer hash.
16697 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16698 compare for MEM_EXPR.
16700 PR rtl-optimization/25130
16701 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16702 when comparing MEMs for GCSE
16704 2006-01-03 Ben Elliston <bje@au.ibm.com>
16706 * targhooks.h (default_decimal_float_supported_p): Declare.
16707 * targhooks.c (default_decimal_float_supported_p): Define.
16708 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16709 `default_decimal_float_supported_p'.
16710 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16712 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16714 * combine.c (apply_distributive_law <SUBREG>): Check
16715 TRULY_NOOP_TRUNCATION.
16717 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16719 * dwarf2out.c (have_switched_text_section): Delete.
16720 (have_multiple_function_sections): New.
16721 (have_location_lists): Make 'bool'.
16722 (add_AT_loc_list): Use 'true' not '1'.
16723 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16724 (output_loc_list): Use have_multiple_function_sections.
16725 (output_ranges): Likewise.
16726 (dwarf2out_begin_function): Set have_multiple_function_sections if
16728 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16729 Check function_section rather than DECL_SECTION_NAME.
16730 (dwarf2out_finish): Use have_multiple_function_sections.
16731 Don't clear have_location_lists.
16733 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16734 Jan Hubicka <jh@suse.cz>
16736 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16737 case of conditional jump jumping to the next instruction.
16738 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16739 cases of conditional jump jumping to the next instruction.
16741 2006-01-02 Jan Hubicka <jh@suse.cz>
16743 * i386.c (*_cost): Add COSTS_N_INSNS.
16744 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16746 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16749 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16751 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16753 * config/arm/arm.c (all_fpus): Fix comment typo.
16754 * config/darwin.c: Likewise.
16755 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16756 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16757 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16759 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16761 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16762 (rs6000_split_compare_and_swapqhi): New.
16763 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16764 (sync_compare_and_swapqhi_internal): New.
16765 * config/rs6000/rs6000-protos.h: Declare.