1 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
4 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
5 (-fdump-rtl-sched): Rename to ..
6 (-fdump-rtl-sched1): here. Also fix file extension number.
8 2006-10-28 Richard Guenther <rguenther@suse.de>
10 * fold-const.c (maybe_canonicalize_comparison): Fix code
13 2006-10-28 Uros Bizjak <uros@kss-loka.si>
15 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
16 (NON_QI_REG_P): Use IN_RANGE.
17 (REX_INT_REGNO_P): Use IN_RANGE.
18 (FP_REGNO_P): Use IN_RANGE.
19 (SSE_REGNO_P): Use IN_RANGE.
20 (REX_SSE_REGNO_P): Use IN_RANGE.
21 (MMX_REGNO_P): Use IN_RANGE.
22 (STACK_REGNO_P): New macro.
23 (STACK_REG_P): Use STACK_REGNO_P.
24 (NON_STACK_REG_P): Use STACK_REGNO_P.
25 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
26 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
27 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
28 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
29 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
31 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
33 * except.h (output_function_exception_table): Add 'const char*' param.
34 * except.c (switch_to_exception_section): Add 'const char*' param.
35 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
36 and flag_function_sections is set, use a function-specific section.
37 (output_function_exception_table): Add 'const char*' param.
38 Adjust call to switch_to_exception_section.
39 * final.c (rest_of_handle_final): Adjust calls to
40 output_function_exception_table.
41 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
42 * config.in: Regenerate.
43 * configure: Likewise.
45 2006-10-28 Richard Guenther <rguenther@suse.de>
48 * fold-const.c (maybe_canonicalize_comparison_1): Helper
49 for maybe_canonicalize_comparison.
50 (maybe_canonicalize_comparison): New function for canonicalizing
52 (fold_comparison): Call it to canonicalize comparisons with
55 2006-10-28 Richard Guenther <rguenther@suse.de>
58 * builtins.c (expand_builtin_int_roundingfn_2): Expand
59 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
60 (expand_builtin): Adjust likewise.
61 * genopinit.c (optabs[]): Add lround optab.
62 * optabs.c (init_optabs): Initialize lround_optab.
63 * optabs.h (enum convert_optab_index): Add COI_lround.
64 (lround_optab): Define.
65 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
66 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
68 (ix86_expand_lround): New function.
69 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
71 * doc/md.texi (lroundMN2): Document.
73 2006-10-28 Uros Bizjak <uros@kss-loka.si>
76 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
77 argument to HOST_WIDE_INT. Update function prototype.
78 (round_frame_size): Change return type to HOST_WIDE_INT. Change
79 "size" argument to HOST_WIDE_INT. Update function prototype.
81 2006-10-28 Uros Bizjak <uros@kss-loka.si>
83 * config/i386/i386.c (output_387_ffreep): Create output from a
84 template string for !HAVE_AS_IX86_FFREEP.
86 2006-10-27 Eric Christopher <echristo@apple.com>
88 * config/darwin.c: Fix formatting and grammar.
90 2006-10-27 Jan Hubicka <jh@suse.cz>
92 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
93 to be thrown away soon when IGNORE is set.
94 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
95 indicating when return value shall not be computed.
96 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
98 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
100 * config/i386/i386.h (TARGET_GEODE):
101 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
102 (TARGET_CPU_DEFAULT_geode): New macro.
103 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
104 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
105 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
106 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
107 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
109 (TARGET_CPU_DEFAULT_NAMES): Add geode.
110 (processor_type): Add PROCESSOR_GEODE.
112 * config/i386/i386.md: Include geode.md.
115 * config/i386/i386.c (geode_cost): New initialized global
117 (m_GEODE, m_K6_GEODE): New macros.
118 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
119 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
120 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
121 x86_schedule): Use m_K6_GEODE instead of m_K6.
122 (x86_movx, x86_cmove): Set up m_GEODE.
123 (x86_integer_DFmode_moves): Clear m_GEODE.
124 (processor_target_table): Add entry for geode.
125 (processor_alias_table): Ditto.
127 * config/i386/geode.md: New file.
129 * doc/invoke.texi: Add entry about geode processor.
131 2006-10-27 Mike Stump <mrs@apple.com>
133 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
134 __DYNAMIC__ from here back to ...
135 * config/darwin.h (CPP_SPEC): ... here.
137 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
138 Nathan Sidwell <nathan@codesourcery.com>
140 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
141 when choosing the minimum heapsize.
143 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
145 * gcc/unwind-dw2.h: Move cfa-related variables into
146 struct frame_state_reg_info to ensure that the CFA is properly
147 handled when executing DW_CFA_{remember,restore}_state.
148 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
149 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
150 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
151 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
152 gcc/config/rs6000/linux-unwind.h,
153 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
154 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
155 Modify to use new cfa_* fields.
157 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
159 * config/s390/s390.c (s390_init_frame_layout): Check positive
162 2006-10-26 Ben Elliston <bje@au.ibm.com>
164 * gimplify.c (get_name): Remove extraneous break.
165 (gimplify_omp_for): Initialise ret with GS_OK.
167 2006-10-25 Steve Ellcey <sje@cup.hp.com>
169 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
170 Add unix98.o to link line.
172 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
175 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
176 Calculate compile-time constants using MPFR.
177 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
178 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
180 2006-10-25 Bob Wilson <bob.wilson@acm.org>
182 * config/xtensa/lib2funcs.S: Use C-style comments.
184 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
186 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
187 (file_table_relative_p): Likewise.
188 (dwarf2out_finish): Likewise.
189 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
191 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
193 * tree-ssa-structalias.c (intra_create_variable_infos):
194 Don't recreate nonlocal_all if it already exists.
196 2006-10-25 Richard Guenther <rguenther@suse.de>
199 * optabs.h (enum optab_index): Remove OTI_lrint.
200 (enum convert_optab_index): Add COI_lrint.
201 (lrint_optab): Adjust.
202 (expand_sfix_optab): Declare.
203 * optabs.c (expand_sfix_optab): New function.
204 (init_optabs): Init lrint_optab as conversion optab.
205 * genopinit.c (lrint_optab): Change to a conversion optab.
206 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
207 expansion via conversion optab.
208 * config/i386/i386.md (*fistdi2_1): Remove
209 flag_unsafe_math_optimizations guard.
210 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
211 fist<mode>2_with_temp): Likewise.
212 (lrint<mode>2): Split into...
213 (lrintxf<mode>2): ... x87 part
214 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
215 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
216 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
217 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
218 * doc/md.texi (lrintMN2): Document.
220 2006-10-25 Uros Bizjak <uros@kss-loka.si>
223 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
224 Use inc and dec instructions for TARGET_USE_INCDEC.
225 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
226 ("sync_double_compare_and_swap<mode>"): Likewise.
227 ("*sync_double_compare_and_swapdi_pic"): Likewise.
228 ("*sync_compare_and_swap_cc<mode>"): Likewise.
229 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
230 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
231 ("sync_old_add<mode>"): Likewise.
232 ("sync_lock_test_and_set<mode>"): Likewise.
233 ("sync_lock_test_and_set<mode>"): Likewise.
234 ("sync_add<mode>"): Likewise.
235 ("sync_sub<mode>"): Likewise.
236 ("sync_ior<mode>"): Likewise.
237 ("sync_and<mode>"): Likewise.
238 ("sync_xor<mode>"): Likewise.
240 2006-10-25 Uros Bizjak <uros@kss-loka.si>
242 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
243 (remainder_optab): Define corresponding macro.
244 (drem_optab): Remove.
245 * optabs.c (init_optabs): Initialize remainder_optab. Remove
246 drem_optab initialization.
247 * genopinit.c (optabs): Implement remainder_optab using
248 remainder?f3 patterns. Remove drem_optab.
249 * builtins.c (expand_builtin_mathfn_2): Handle
250 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
251 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
252 expand_builtin_mathfn_2.
254 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
255 depend on flag_unsafe_math_optimizations.
257 * config/i386/i386.md ("remaindersf3", "remainderdf3")
258 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
259 Do not depend on flag_unsafe_math_optimizations. Use
260 truncxf?f expander instead of truncxf?f_i387_noop.
262 ("fpremxf4", "fprem1xf4"): Do not depend on
263 flag_unsafe_math_optimizations.
264 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
265 flag_unsafe_math_optimizations. Use truncxf?f expander
266 instead of truncxf?f_i387_noop.
268 * doc/md.texi (fmod, remainder): Document standard named pattern.
270 2006-10-24 Richard Sandiford <richard@codesourcery.com>
271 David Daney <ddaney@avtrex.com>
274 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
276 2006-10-25 Ben Elliston <bje@au.ibm.com>
278 * doc/extend.texi (Variable Attributes): Typo fix.
280 2006-10-24 Uros Bizjak <uros@kss-loka.si>
282 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
283 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
284 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
285 (FRAME_POINTER_REGNUM): Update register number to 21.
286 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
287 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
289 * config/i386/i386.c (regclass_map): Add fpcr entry.
290 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
292 (print_reg): Assert REGNO (x) != FPCR_REG.
294 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
295 (DIRFLAG_REG): Renumber.
296 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
297 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
298 (sse_prologue_save, *sse_prologue_save_insn): Renumber
299 hardcoded SSE register numbers.
301 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
302 hardcoded MMX register numbers.
304 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
307 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
308 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
310 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
311 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
312 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
313 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
315 2006-10-24 Richard Guenther <rguenther@suse.de>
318 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
319 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
320 for deciding optimizations in consistency with fold-const.c
321 (fold_builtin_unordered_cmp): Likewise.
323 2006-10-24 Richard Guenther <rguenther@suse.de>
325 * builtins.c (fold_builtin_floor): Fold floor (x) where
326 x is nonnegative to trunc (x).
327 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
328 nonnegative to FIX_TRUNC_EXPR.
330 2006-10-24 Richard Guenther <rguenther@suse.de>
332 PR tree-optimization/29567
333 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
334 for TRUTH_NOT_EXPR. Clarify comments.
336 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
339 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
340 at compile-time using MPFR. Change parameter VALUE to FUNC,
342 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
343 for overflow and underflow at all times and avoid folding in
346 2006-10-24 Ben Elliston <bje@au.ibm.com>
348 * reload1.c: Formatting fixes.
350 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
352 PR tree-optimization/14784
353 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
354 * tree-ssa-structalias.c (get_constraint_for,
355 intra_create_variable_infos): Set is_heapvar.
356 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
357 non-heapvar pointer variables specially.
359 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
362 * builtins.c (fold_builtin_sin, fold_builtin_cos,
363 fold_builtin_tan): Fold all constant arguments. Take a "type"
364 argument as necessary.
366 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
368 2006-10-23 Bob Wilson <bob.wilson@acm.org>
370 * config/xtensa/lib1funcs.asm: Use C-style comments.
372 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
374 * tree.c (local_define_builtin): Replace calls to
375 lang_hooks.builtin_function with add_builtin_function.
376 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
378 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
380 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
381 common code to add_builtin_function.
382 * langhooks.c (add_builtin_function): New function.
383 (lhd_builtin_function): New function.
384 * langhooks.h (struct lang_hooks): Change the signature of
386 (add_builtin_function): New function.
387 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
388 calls to lang_hooks.builtin_function with add_builtin_function.
389 * c-common.c (decl_builtin_1): Replace calls to
390 lang_hooks.builtin_function with add_builtin_function.
391 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
392 lang_hooks.builtin_function with add_builtin_function.
393 * config/frv/frv.c (def_builtin): Replace calls to
394 lang_hooks.builtin_function with add_builtin_function.
395 * config/s390/s390.c (s390_init_builtins): Replace calls to
396 lang_hooks.builtin_function with add_builtin_function.
397 * config/sparc/sparc.c (def_builtin): Replace calls to
398 lang_hooks.builtin_function with add_builtin_function.
399 * config/i386/i386.c (def_builtin): Replace calls to
400 lang_hooks.builtin_function with add_builtin_function.
401 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
402 lang_hooks.builtin_function with add_builtin_function.
403 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
404 lang_hooks.builtin_function with add_builtin_function.
405 * config/stormy16/stormy16.c (xstormy16_init_builtins):
406 Replace calls to lang_hooks.builtin_function with
407 add_builtin_function.
408 * config/iq2000/iq2000.c (def_builtin):
409 Replace calls to lang_hooks.builtin_function with
410 add_builtin_function.
411 * config/ia64/ia64.c (def_builtin): Replace calls to
412 lang_hooks.builtin_function with add_builtin_function.
413 * config/rs6000/rs6000.c (def_builtin): Replace calls to
414 lang_hooks.builtin_function with add_builtin_function.
415 (altivec_init_builtins): Replace calls to
416 lang_hooks.builtin_function with add_builtin_function.
417 * config/arm/arm.c (def_mbuiltin): Replace calls to
418 lang_hooks.builtin_function with add_builtin_function.
419 (arm_init_tls_builtins): Replace calls to
420 lang_hooks.builtin_function with add_builtin_function.
421 * config/mips/mips.c (mips_init_builtins): Replace calls to
422 lang_hooks.builtin_function with add_builtin_function.
423 * config/bfin/bfin.c (def_builtin): Replace calls to
424 lang_hooks.builtin_function with add_builtin_function.
425 * langhooks-def.h (lhd_builtin_function): New function.
426 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
428 2006-10-23 Jakub Jelinek <jakub@redhat.com>
430 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
431 BUILT_IN_STRNCAT_CHK.
433 2006-10-23 Jan Hubicka <jh@suse.cz>
435 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
436 don't do conversion from memmove to memcpy here.
437 (expand_builtin_bcopy, expand_builtin): Update call of
438 expand_builtin_memmove.
439 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
441 2006-10-23 Paul Brook <paul@codesourcery.com>
443 * stor-layout.c (start_record_layout): maximum_field_alignment
444 overrides STRUCTURE_SIZE_BOUNDARY.
446 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
448 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
449 nonlocal function symbols if flag_pic.
451 2006-10-23 Richard Guenther <rguenther@suse.de>
455 * builtins.c (fold_binary): Remove checks for flag_wrapv
456 and flag_trapv where negate_expr_p covers these cases.
458 2006-10-23 Richard Guenther <rguenther@suse.de>
461 * fold-const.c (fold_plusminus_mult_expr): Check exact power
462 of two on the absolute value.
463 (fold_binary): Fold x * -C to -x * C if x is easily negatable
464 and negating -C does not overflow.
466 2006-10-23 Richard Guenther <rguenther@suse.de>
469 * convert.c (convert_to_real): Fold (float)-x to -(float)x
470 only if not flag_rounding_math.
472 2006-10-22 Richard Sandiford <richard@codesourcery.com>
473 Kaz Kojima <kkojima@gcc.gnu.org>
476 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
477 SImode memory reference for the source of a movua.
478 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
479 (movua): Use an unspec instead of sign_extract. Expect the source
480 to have mode BLKmode.
481 (extv, insv): Use a BLKmode rather than SImode memory reference
482 for the source of a movua.
484 2006-10-22 Jeff Law <law@redhat.com>
485 Richard Guenther <rguenther@suse.de>
487 PR tree-optimization/15911
488 * tree-vrp.c (extract_code_and_val_from_cond): New function.
489 (register_edge_assert_for_1): Likewise.
490 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
491 (find_conditional_asserts): Adjust for new function signature.
492 (find_assert_locations): Likewise.
494 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
496 * config/i386/tmmintrin.h: Remove the duplicated content.
498 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
500 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
501 (x86_64-*-*): Likewise.
503 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
504 (override_options): Check SSSE3.
505 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
506 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
507 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
508 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
509 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
510 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
511 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
512 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
513 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
514 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
515 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
516 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
517 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
518 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
519 IX86_BUILTIN_PABSD128.
520 (bdesc_2arg): Add SSSE3.
521 (bdesc_1arg): Likewise.
522 (ix86_init_mmx_sse_builtins): Support SSSE3.
523 (ix86_expand_builtin): Likewise.
524 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
526 * config/i386/i386.md (UNSPEC_PSHUFB): New.
527 (UNSPEC_PSIGN): Likewise.
528 (UNSPEC_PALIGNR): Likewise.
529 Include mmx.md before sse.md.
531 * config/i386/i386.opt: Add -mssse3.
533 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
534 (ssse3_phaddwv4hi3): Likewise.
535 (ssse3_phadddv4si3): Likewise.
536 (ssse3_phadddv2si3): Likewise.
537 (ssse3_phaddswv8hi3): Likewise.
538 (ssse3_phaddswv4hi3): Likewise.
539 (ssse3_phsubwv8hi3): Likewise.
540 (ssse3_phsubwv4hi3): Likewise.
541 (ssse3_phsubdv4si3): Likewise.
542 (ssse3_phsubdv2si3): Likewise.
543 (ssse3_phsubswv8hi3): Likewise.
544 (ssse3_phsubswv4hi3): Likewise.
545 (ssse3_pmaddubswv8hi3): Likewise.
546 (ssse3_pmaddubswv4hi3): Likewise.
547 (ssse3_pmulhrswv8hi3): Likewise.
548 (ssse3_pmulhrswv4hi3): Likewise.
549 (ssse3_pshufbv16qi3): Likewise.
550 (ssse3_pshufbv8qi3): Likewise.
551 (ssse3_psign<mode>3): Likewise.
552 (ssse3_psign<mode>3): Likewise.
553 (ssse3_palignrti): Likewise.
554 (ssse3_palignrdi): Likewise.
555 (abs<mode>2): Likewise.
556 (abs<mode>2): Likewise.
558 * config/i386/tmmintrin.h: New file.
560 * doc/extend.texi: Document SSSE3 built-in functions.
562 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
564 2006-10-22 Ira Rosen <irar@il.ibm.com>
566 * tree-vect-transform.c (vectorizable_load): Use the type of the
567 return value of the mask_for_load builtin to create realign_load
570 2006-10-22 Richard Sandiford <richard@codesourcery.com>
572 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
575 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
577 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
578 (UNSPEC_LDDQU): This.
579 * config/i386/sse.md (sse3_lddqu): Updated.
581 2006-10-21 Richard Guenther <rguenther@suse.de>
583 * builtins.c (expand_builtin_int_roundingfn_2): New function.
584 (expand_builtin): Use it to expand lrint instead of
585 expand_builtin_mathfn.
587 2006-10-21 Uros Bizjak <uros@kss-loka.si>
590 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
591 flag_unsafe_math_optimizations is set.
593 2006-10-21 Uros Bizjak <uros@kss-loka.si>
596 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
597 patterns to use memory input operand in x87->mem->XMM
598 reload sequences. Skip transformation for TARGET_K8.
600 2006-10-21 Uros Bizjak <uros@kss-loka.si>
602 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
603 force operand1 to register if both operands are memory operands.
604 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
605 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
606 if both operands are memory operands.
607 (truncdfsf2): Do not force operand1 to register if both operands
610 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
612 * Makefile.in (LIBS): Add $(GMPLIBS).
613 * doc/install.texi: Update GMP and MPFR requirements.
614 * doc/sourcebuild.texi (need_gmp): Delete.
616 2006-10-21 Richard Guenther <rguenther@suse.de>
618 PR tree-optimization/3511
619 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
620 got new invariant arguments during PHI translation.
622 2006-10-21 Richard Guenther <rguenther@suse.de>
625 * fold-const.c (fold_comparison): Fold signed comparisons
626 of the form X +- C1 CMP Y +- C2.
628 2006-10-21 Richard Guenther <rguenther@suse.de>
631 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
632 if flag_unsafe_math_optimizations is specified. We have
633 flag_finite_math_only for that.
634 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
635 or flag_unsafe_math_optimizations.
637 2006-10-21 Richard Guenther <rguenther@suse.de>
639 * builtins.c (fold_builtin_classify): Fix typo.
641 2006-10-21 Richard Guenther <rguenther@suse.de>
644 * simplify-rtx.c (simplify_const_relational_operation):
645 Do not constant-fold ORDERED and UNORDERED for
646 flag_unsafe_math_optimizations but only we do not need to
647 honor NaNs for the given mode.
649 2006-10-21 Richard Guenther <rguenther@suse.de>
652 * config/i386/i386.c (classify_argument): Remove redundant
653 walking of the BINFOs.
654 (contains_128bit_aligned_vector_p): Likewise.
656 2006-10-20 Mark Mitchell <mark@codesourcery.com>
658 * BASE-VER: Set to 4.3.0.
660 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
662 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
663 (tree_decl_with_vis): Remove artificial_pta_var flag.
664 * tree-flow.h (referenced_var_check_and_insert): Expose.
665 (nonlocal_all): New prototype.
666 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
667 (nonlocal_all): Make global.
668 (nonlocal_lookup): Remove.
669 (nonlocal_insert): Ditto.
670 (create_nonlocal_var): Do not call nonlocal_insert.
671 (get_nonlocal_id_for_type): Remove.
672 (find_global_initializers): Mark new vars we find for renaming.
673 (intra_create_variable_infos): Only create one nonlocal.
674 (expand_nonlocal_solutions): Remove.
675 (compute_points_to_sets): Don't call it.
676 (ipa_pta_execute): Ditto.
677 (init_alias_heapvars): Don't create nonlocal_for_type.
678 (delete_alias_heapvars): Don't remove it.
679 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
682 2006-10-19 Brooks Moses <bmoses@stanford.edu>
684 * doc/install.texi (Downloading GCC): Clarify mention of
685 Fortran in the "full distribution" description.
687 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
689 Fix PR tree-optimization/28778
690 Fix PR tree-optimization/29156
691 Fix PR tree-optimization/29415
692 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
693 (tree_decl_with_vis): Add artificial_pta_var flag.
694 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
696 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
697 (nonlocal_all): Ditto.
698 (struct variable_info): Add directly_dereferenced member.
699 (var_escaped_vars): New variable.
700 (escaped_vars_tree): Ditto.
701 (escaped_vars_id): Ditto.
702 (nonlocal_vars_id): Ditto.
703 (new_var_info): Set directly_dereferenced.
704 (graph_size): New variable
705 (build_constraint_graph): Use graph_size.
706 (solve_graph): Don't process constraints that cannot change the
707 solution, don't try to propagate an empty solution to our
709 (process_constraint): Set directly_dereferenced.
710 (could_have_pointers): New function.
711 (get_constraint_for_component_ref): Don't process STRING_CST.
712 (nonlocal_lookup): New function.
713 (nonlocal_insert): Ditto.
714 (create_nonlocal_var): Ditto.
715 (get_nonlocal_id_for_type): Ditto.
716 (get_constraint_for): Allow results vector to be empty in the case
718 Handle results of calls properly.
719 (update_alias_info): Update alias info stats on number and type of
721 (find_func_aliases): Use could_have_pointers.
722 (make_constraint_from_escaped): Renamed from
723 make_constraint_to_anything, and changed to make constraints from
725 (make_constraint_to_escaped): New function.
726 (find_global_initializers): Ditto.
727 (create_variable_info_for): Make constraint from escaped to any
728 global variable, and from any global variable to the set of
730 (intra_create_variable_infos): Deal with escaped instead of
731 pointing to anything.
732 (set_uids_in_ptset): Do type pruning on directly dereferenced
734 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
735 (init_base_vars): Fix comment, and initialize escaped_vars.
736 (need_to_solve): Removed.
737 (find_escape_constraints): New function.
738 (expand_nonlocal_solutions): Ditto.
739 (compute_points_to_sets): Call find_escape_constraints and
740 expand_nonlocal_solutions.
741 (delete_points_to_sets): Don't fall off the end of the graph.
742 (init_alias_heapvars): Initialize nonlocal_for_type and
744 (delete_alias_heapvars): Free nonlocal_for_type and null out
747 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
749 * fold-const.c (add_double): Rename to add_double_with_sign.
750 Add 'unsigned_p' parameter and take it into account for the overflow.
751 (mul_double): Rename to mul_double_with_sign.
752 Add 'unsigned_p' parameter and take it into account for the overflow.
753 (fold_div_compare): Call add_double_with_sign instead of add_double
754 and mul_double_with_sign instead of mul_double, passing them the
755 unsignedness of the type.
756 * tree.h (add_double): Macroize.
757 (add_double_with_sign): New prototype.
758 (mul_double): Macroize.
759 (mul_double_with_sign): New prototype.
761 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
763 * config/score/crti.asm: New file.
764 * config/score/crtn.asm: New file.
765 * config/score/elf.h: New file.
766 * config/score/mac.md: New file.
767 * config/score/misc.md: New file.
768 * config/score/mul-div.S: New file.
769 * config/score/predicates.md: New file.
770 * config/score/score7.md: New file.
771 * config/score/score.c: New file.
772 * config/score/score-conv.h: New file.
773 * config/score/score.h: New file.
774 * config/score/score.md: New file.
775 * config/score/score-mdaux.c: New file.
776 * config/score/score-mdaux.h: New file.
777 * config/score/score-modes.def: New file.
778 * config/score/score.opt: New file.
779 * config/score/score-protos.h: New file.
780 * config/score/score-version.h: New file.
781 * config/score/t-score-elf: New file.
782 * config.gcc: Add score*-*-* configurations(Update before).
783 * doc/invoke.texi (Score Options): New section.
784 * doc/md.texi (Score family): New section to document constraints.
786 2006-10-19 Nick Clifton <nickc@redhat.com>
788 * config/arm/arm.c: Fix spelling typo.
790 2006-10-18 Tom Tromey <tromey@redhat.com>
792 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
794 2006-10-18 Jan Hubicka <jh@suse.cz>
797 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
800 2006-10-18 Marcin Dalecki <martin@dalecki.de>
802 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
803 TSI_SAME_STMT, since that's the desired entity.
805 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
807 * config/s390/contraints.md: New file.
808 * config/s390/s390-protos.h (s390_mem_constraint,
809 s390_O_constraint_str, s390_N_constraint_str,
810 s390_float_const_zero_p): Function prototypes added.
811 * config/s390/s390.c (s390_extra_constraint_str,
812 s390_const_double_ok_for_constraint_p,
813 s390_const_ok_for_constraint_p): Functions removed.
814 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
815 s390_float_const_zero_p): New functions.
816 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
817 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
818 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
819 Macro definitions removed.
820 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
821 s390_extra_constraint_str): Functions removed.
823 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
824 Richard Sandiford <richard@codesourcery.com>
827 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
828 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
830 2006-10-16 Geoffrey Keating <geoffk@apple.com>
832 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
833 (DWARF2_FRAME_REG_OUT): Likewise.
834 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
835 (DWARF2_FRAME_REG_OUT): Likewise.
837 2006-10-17 Paul Brook <paul@codesourcery.com>
839 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
841 2006-10-16 Brooks Moses <bmoses@stanford.edu>
843 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
844 Standardize on "GNU Fortran" as the official name of the Fortran
847 2006-10-16 Mike Stump <mrs@apple.com>
849 * doc/invoke.texi (Darwin Options): Document -mkernel.
850 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
852 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
853 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
854 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
855 (OS_MISSING_ALTIVEC): Add.
856 * config/i386/i386.c (override_options): Add
857 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
858 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
859 -mkernel, -static or -mdynamic-no-pic is given.
860 (C_COMMON_OVERRIDE_OPTIONS): Add.
861 * config/darwin.opt (fapple-kext): Add.
863 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
864 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
866 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
867 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
868 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
869 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
870 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
872 (flag_apple_kext): Add.
873 (TARGET_KEXTABI): Add.
874 * config/darwin.c (darwin_handle_kext_attribute): Add.
875 (DARWIN_VTABLE_P): Add.
876 (darwin_binds_local_p): Add partial support for rebinding vtables
878 (darwin_kextabi_p): Add.
879 (darwin_override_options): Add.
880 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
881 (darwin_kextabi_p): Add.
882 (darwin_override_options): Add.
883 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
884 __DYNAMIC__ and __STATIC__ here.
886 2006-10-16 Brooks Moses <bmoses@stanford.edu>
888 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
889 Added mention of "make pdf" target, and Texinfo requirements for
892 2006-10-16 DJ Delorie <dj@redhat.com>
894 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
895 into the GOT in case we need a subreg of the address.
897 2006-10-16 Richard Guenther <rguenther@suse.de>
900 * doc/extend.texi (X86 Built-in Functions): Fix typos in
901 SSE builtin documentation. Document SSE2 builtins.
903 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
905 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
906 symbol in the output file for non-shared links when -nostdlib or
907 -nodefaultlibs isn't specified.
909 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
910 posix thread support.
912 2006-10-15 Jan Hubicka <jh@suse.cz>
915 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
916 declared always_inline even when not inlining.
918 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
919 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
920 Andrew Pinski <pinskia@gmail.com>
923 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
925 2006-10-15 Jan Hubicka <jh@suse.cz>
926 Richard Guenther <rguenther@suse.de>
929 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
930 process_function_and_variable_attributes on all variables, including
931 those discovered during cgraph construction phase.
933 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
935 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
937 2006-10-14 Uros Bizjak <uros@kss-loka.si>
939 * config/i386/athlon.md (athlon_fist): Add fisttp.
941 2006-10-13 David Edelsohn <edelsohn@gnu.org>
942 Ian Lance Taylor <ian@airs.com>
945 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
946 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
949 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
951 * config/score/score.c, config/score/score.h: Fix comment
954 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
957 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
960 2006-10-13 Eric Christopher <echristo@apple.com>
962 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
964 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
967 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
968 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
969 alignment supported by 32-bit ELF.
971 2006-10-13 Eric Christopher <echristo@apple.com>
973 * config/darwin.c (darwin_emit_unwind_label): Strip
974 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
976 2006-10-13 Richard Guenther <rguenther@suse.de>
978 PR tree-optimization/29446
979 * tree-vrp.c (fix_equivalence_set): Remove.
980 (extract_range_from_assert): Do not call fix_equivalence_set.
981 (debug_value_range): Print a newline.
982 (compare_name_with_value): For equivalence sets with
983 inconsistent value ranges conservatively bail out.
984 (compare_names): Likewise.
986 2006-10-13 David Edelsohn <edelsohn@gnu.org>
988 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
989 and MPFR for gfortran.
991 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
993 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
994 alignment supported by 32-bit ELF.
996 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1000 * c-typeck.c (digest_init): Always allow initializing vectors
1001 that have static storage duration with compound literals.
1002 * tree.c (build_type_attribute_qual_variant): New, based on
1003 build_type_attribute_variant.
1004 (build_type_attribute_variant): Rewrite using the former.
1005 (make_vector_type): Use build_type_attribute_qual_variant to build
1006 type variants. Use type_hash_canon on the others.
1008 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1009 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1011 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1013 2006-10-12 Jan Hubicka <jh@suse.cz>
1016 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1017 current_function_decl is set but current_function_scope is not.
1019 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1021 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1022 emit_insn to emit eh_return_internal instruction.
1023 (eh_return_internal): Explicitly set pc.
1025 2006-10-11 Richard Guenther <rguenther@suse.de>
1027 PR tree-optimization/28230
1028 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1029 to the correct place.
1031 2006-10-11 Richard Guenther <rguenther@suse.de>
1034 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1037 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1039 * configure.ac: Added pdf to "Make-hooks"
1040 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1041 targets and *.pdf file patterns in cleanup targets.
1042 * configure: Regenerated.
1044 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1046 * config/avr/predicates.md: New file.
1047 * config/avr/avr.md: Include it.
1048 (REG_SP): New constant.
1049 (peepholes): Use predicates.
1050 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1051 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1052 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1054 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1056 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1059 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1062 * builtins.c (var_decl_component_p): New function.
1063 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1064 single entry optimization to variables and components thereof.
1066 2006-10-10 Richard Guenther <rguenther@suse.de>
1068 PR rtl-optimization/29323
1069 * except.c (set_nothrow_function_flags): For functions
1070 that do not bind local bail out early.
1072 2006-10-10 Ben Elliston <bje@au.ibm.com>
1074 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1077 2006-10-09 Richard Henderson <rth@redhat.com>
1079 Revert emutls patch.
1081 2006-10-09 Richard Guenther <rguenther@suse.de>
1084 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1087 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1090 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1091 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1092 * configure: Regenerate.
1093 * config.in: Regenerate.
1095 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1097 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1099 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1101 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1102 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1103 Remove stray newline.
1105 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1107 * config/mips/mips.c (mips_classify_symbol): Do not return
1108 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1109 (mips_in_small_data_p): Tweak comments.
1111 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1113 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1115 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1117 * gimplify.c, sched-int.h: Fix comment typos.
1119 * sched-int.h: Fix comment typos.
1121 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1123 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1125 * sched-ebb.c (begin_schedule_ready): Use them.
1126 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1127 add_to_speculative_block, create_check_block_twin, speculate_insn,
1128 fix_jump_move, move_block_after_check): Ditto.
1129 * sched-rgn.c (new_ready): Ditto.
1131 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1133 PR rtl-optimization/29128
1134 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1135 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1136 allow interblock movement of speculation checks.
1138 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1141 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1142 casted to integer type.
1143 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1144 if they are significantly more expensive than [reg + index] ones.
1146 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1148 PR tree-optimization/29330
1149 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1150 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1151 on newly allocated ddrs.
1152 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1153 to VEC (loop_p, heap) pointer.
1154 (compute_data_dependences_for_loop): Adjust caller.
1155 (free_dependence_relations): Free DDR_LOOP_NEST.
1157 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1158 free DEPENDENCE_RELATIONS and DATAREFS.
1161 * builtins.c (expand_builtin_sync_operation,
1162 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1163 Use convert_to_mode to handle promoted arguments.
1165 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1167 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1169 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1171 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1173 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1175 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1176 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1177 Use <modeconstraint> instead of "r" as operand 1 constraint.
1179 2006-10-06 Olivier Hainque <hainque@adacore.com>
1181 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1182 Don't recurse on the pointed-to type.
1183 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1184 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1185 types with components of variable size.
1187 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1189 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1191 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1193 PR tree-optimization/29290
1194 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1198 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1199 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1202 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1203 the number of vector elements fill the rest with zeros.
1205 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1207 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1208 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1211 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1213 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1214 unnamed pattern into subsi3. Use correct constraints/predicates.
1215 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1216 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1218 2006-10-05 Ira Rosen <irar@il.ibm.com>
1220 * doc/loop.texi: Add data references analysis description.
1222 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1224 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1226 2006-10-04 Richard Henderson <rth@redhat.com>
1227 Jakub Jelinek <jakub@redhat.com>
1229 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1230 * builtin-types.def (BT_WORD): Make unsigned.
1231 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1232 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1233 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1234 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1235 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1236 * cgraph.c (decide_is_variable_needed): Look at force_output.
1237 Recurse for emulated tls.
1238 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1239 checks redundant with decide_is_variable_needed.
1240 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1241 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1243 * expr.c (emutls_var_address): New.
1244 (expand_expr_real_1): Expand emulated tls.
1245 (expand_expr_addr_expr_1): Likewise.
1246 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1247 * output.h (emutls_finish): Declare.
1248 * toplev.c (compile_file): Call it.
1249 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1250 address before wrapping in CONST.
1251 * varasm.c (emutls_htab, emutls_object_type): New.
1252 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1253 (get_emutls_object_name, get_emutls_object_type): New.
1254 (get_emutls_init_templ_addr, emutls_decl): New.
1255 (emutls_common_1, emutls_finish): New.
1256 (assemble_variable): When emulating tls, swap decls; generate
1257 constructor for the emutls objects.
1258 (do_assemble_alias): When emulating tls, swap decl and target name.
1259 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1261 * emutls.c: New file.
1262 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1263 tls_object for real tls.
1265 2006-10-04 Zack Weinberg <zackw@panix.com>
1267 Fix bug in constraint-check generator, reported by Rask Ingemann
1269 * genpreds.c (add_constraint): Don't remove anything from the
1271 (write_tm_constrs_h): Detect whether "op" argument is used, and
1272 mark it ARG_UNUSED if it isn't.
1273 (write_insn_const_int_ok_for_constraint): Skip the part of the
1274 expression that would test whether "op" (which is not available
1275 here) is a CONST_INT.
1277 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1280 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1282 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1284 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1285 current Leopard versions.
1286 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1288 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1290 * doc/install.texi: Fix typos.
1292 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1294 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1295 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1296 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1298 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1300 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1301 arg to be struct mach_header_64* instead.
1303 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1306 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1307 side effects after the outer expression's post side effects.
1309 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1311 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1312 comments to reflect actual behavior and relationship between
1313 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1315 * doc/c-tree.texi (Working with declarations): Fix documentation
1316 of FIELD_DECL likewise.
1318 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1321 * doc/extend.texi: Add used variable attribute description.
1323 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1326 * c.opt (Woverride-init): New.
1327 * c-opts.c (c_common_post_options): Default warn_override_init to
1329 * c-typeck.c (add_pending_init, output_init_element): Warn for
1330 overriding initializers without side effects.
1331 * doc/invoke.texi (-Woverride-init): Document.
1334 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1336 PR rtl-optimization/28096
1337 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1338 assignment has already been used as a destination earlier in the block.
1340 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1342 * builtins.c (expand_builtin_setjmp): Delete.
1343 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1344 <BUILT_IN_SETJMP_SETUP>: New case.
1345 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1346 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1347 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1348 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1349 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1350 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1351 (lower_function_body): Initialize it to false. If it is set to true
1352 at the end of the processing, emit the setjmp dispatcher.
1353 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1354 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1355 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1356 on the rhs of the assignment.
1357 (lower_builtin_setjmp): New function.
1358 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1359 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1360 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1361 to detect calls that can go to non-local labels. Use specific
1362 helper to create the abnormal edges associated with them.
1363 <MODIFY_EXPR>: Likewise.
1364 (make_abnormal_goto_edges): New function extracted from...
1365 (make_goto_expr_edges): ...here. Call it for computed gotos.
1366 (simple_goto_p): Minor tweak.
1367 (tree_can_make_abnormal_goto): New predicate.
1368 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1369 (tree_purge_dead_abnormal_call_edges): New function.
1370 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1371 (tree_purge_dead_abnormal_call_edges): Likewise.
1372 (make_abnormal_goto_edges): Likewise.
1373 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1374 Purge all dead abnormal edges if the call was in the last statement.
1375 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1376 (execute_fixup_cfg): If there are non-local labels in the function,
1377 scan the basic blocks and split them at calls that can go to non-local
1378 labels or add missing abnormal call edges. Write down the CFG in the
1380 (pass_fixup_cfg): Remove TODO_dump_func flag.
1381 * unwind-sjlj.c: Poison setjmp.
1382 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1383 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1384 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1385 (DONT_USE_BUILTIN_SETJMP): Document it.
1387 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1390 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1391 to 1 when __ppc64__ is defined.
1392 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1394 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1396 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1398 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1399 * config/ia64/unwind-hpux.c: Delete.
1401 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1403 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1404 on the element before gimplifying it, instead of punting if it is of
1407 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1409 * doc/loop.texi: New file.
1410 * doc/gccint.texi: Reference loop.texi.
1411 * Makefile.in (loop.texi): Add.
1413 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1415 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1417 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1418 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1420 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1422 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1424 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1426 * doc/install.texi: Document required versions of GMP and MPFR.
1428 2006-09-27 Paul Brook <paul@codesourcery.com>
1431 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1433 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1435 * reload1.c (alter_reg): Require the alignment of the stack slot to
1436 be at least reg_max_ref_width bytes.
1437 (scan_paradoxical_subregs): Record the largest width in
1440 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1444 * tree-nested.c (struct nesting_info): Added static_chain_added.
1445 (convert_call_expr): Set static_chain_added when adding static
1446 chain. Handle OMP_PARALLEL and OMP_SECTION.
1448 2006-09-25 Matthias Klose <doko@debian.org>
1450 * doc/invoke.texi: Add missing full stop.
1452 2006-09-25 Richard Henderson <rth@redhat.com>
1454 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1455 before cgraph_function_flags_ready.
1457 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1458 Adam Nemet <anemet@caviumnetworks.com>
1460 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1461 determine_common_wider_type): New functions.
1462 (get_computation_aff): Use them to simplify arithmetic between
1463 UBASE and CBASE if they are shortened from the same type.
1465 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1468 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1469 -2147483647 - 1 instead of 0x80000000.
1471 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1473 * flags.h (HONOR_NANS): Fix typo in comment.
1475 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1477 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1479 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1483 * tree.c (merge_attributes, attribute_list_contained): If both
1484 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1486 * c-typeck.c (comptypes_internal): Don't consider aggregates
1487 in different TUs as compatible if there one set of attributes is
1488 not a subset of the other type's attributes.
1489 (composite_type): Try harder not to create a new aggregate type.
1491 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1493 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1494 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1495 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1496 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1497 than replicating condition above.
1498 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1500 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1501 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1502 the linker by default.
1504 2006-09-22 Mike Stump <mrs@apple.com>
1506 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1509 2006-09-22 Richard Guenther <rguenther@suse.de>
1512 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1513 sort of stack variables stable.
1515 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1518 * explow.c (force_reg): Set REG_POINTER flag according to
1521 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1523 PR tree-optimization/28888
1524 * tree-if-conv.c (combine_blocks): Rewritten.
1525 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1526 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1528 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1530 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1533 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1535 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1537 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1539 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1541 2006-09-21 Roger Sayle <roger@eyesopen.com>
1544 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1545 dw_fde_current_label, to be the start of the function, i.e. the same
1546 value as dw_fde_begin.
1548 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1550 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1551 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1552 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1553 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1554 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1555 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1556 (abs<mode>2, neg<mode>2): Likewise.
1557 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1558 (*mips_abs_ps): New define_insn.
1560 2006-09-20 Josh Conner <jconner@apple.com>
1563 * calls.c (expand_call): Allow reuse of structure return stack
1566 2006-09-20 Paul Brook <paul@codesourcery.com>
1568 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1571 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1573 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1574 clean up terminology.
1576 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1579 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1580 with tablejumps in them.
1582 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1585 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1586 wrap it into TARGET_EXPR.
1588 2006-09-20 Eric Christopher <echristo@apple.com>
1590 * config/i386/i386.c (x86_fisttp): Remove.
1591 * config/i386/i386.h (x86_fisttp): Ditto.
1592 (TARGET_FISTTP): Ditto.
1594 2006-09-19 Eric Christopher <echristo@apple.com>
1596 * doc/tm.texi (OBJC_JBLEN): Describe.
1597 * config/i386/darwin.h (OBJC_JBLEN): Define.
1598 * config/rs6000/darwin.h: Ditto.
1600 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1602 PR rtl-optimization/21299
1603 * reload1.c (reload): Purge invalid ASMs in the final pass.
1605 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1608 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1609 pointers as legitimate constants.
1611 2006-09-19 Paul Brook <paul@codesourcery.com>
1614 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1616 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1618 PR tree-optimization/28887
1619 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1620 component parts from the reference.
1621 (gather_memory_references_ref): Record the reference without the
1622 nonaddressable component parts.
1624 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1627 * c-opts.c (c_common_handle_option): Ignore the -std options
1628 if the input language is assembly.
1630 2006-09-17 Ira Rosen <irar@il.ibm.com>
1633 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1635 (ptr_ptr_may_alias_p): Likewise.
1636 (record_record_differ_p): New function.
1637 (base_object_differ_p): Call record_record_differ_p.
1639 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1642 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1643 away for the expr argument.
1645 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1648 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1649 before using it for dumping after vectorizing loops.
1651 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1652 Jack Howarth <howarth@bromo.med.uc.edu>
1655 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1656 skip on error_mark_node.
1657 (rs6000_darwin64_record_arg_recurse): Likewise.
1659 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1661 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1662 * doc/rtl.texi: Remove related documentation.
1664 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1666 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1669 2006-09-15 Jim Wilson <wilson@specifix.com>
1671 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1672 Handle symbol offsets same as they are handled in ia64_expand_move
1675 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1677 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1678 Add forgotten parameter to the fprintf call.
1680 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1682 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1684 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1686 * doc/contrib.texi: Add my entry.
1688 2006-09-15 Nick Clifton <nickc@redhat.com>
1690 * doc/md.texi (Processor pipeline description): Fix typo in
1691 example of how to use the absence_set directive and reword the
1692 description to make it slightly easier to read.
1694 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1696 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1697 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1698 expanding the number of iterations.
1699 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1701 * cfgrtl.c (emit_insn_at_entry): New function.
1702 * rtl.h (emit_insn_at_entry): Declare it.
1703 * integrate.c (emit_initial_value_sets): Use it.
1705 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1707 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1709 (struct loop_work and related VEC declarations): Delete.
1710 (bfin_dump_loops): Print out new member bad.
1711 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1712 (bfin_scan_loop): Don't recurse.
1713 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1714 loops. No longer need to update outer loops if the current one is
1715 found bad. Move some validitiy checks to bfin_discover_loop.
1716 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1717 but changed not to check for nesting. Also changed to use the new bad
1719 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1720 time. Use bitmap based test to discover loop nesting.
1722 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1724 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1727 2006-09-14 Richard Guenther <rguenther@suse.de>
1728 Kazu Hirata <kazu@codesourcery.com>
1730 PR middle-end/28884.
1731 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1732 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1733 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1734 with TARGET_FUNCTION_VALUE.
1736 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1739 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1741 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1743 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1746 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1749 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1752 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1754 * basic_block.h (bb_has_eh_pred): Fix comment.
1756 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1758 * flow.c (calculate_global_regs_live): Invalidate eh registers
1759 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1760 (propagate_block): Handle eh registers as if they were set at basic
1762 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1764 * global.c (global_conflicts): Make eh registers to conflict with
1765 pseudos live at basic block begin.
1766 * basic_block.h (bb_has_eh_pred): New function.
1768 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1770 PR rtl-optimization/28982
1771 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1772 index of a PRE_MODIFY or POST_MODIFY address.
1773 * reload1.c (inc_for_reload): Use find_replacement on the original
1774 base and index registers.
1776 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1778 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1779 for -Os. Update __m128 alignment requirement.
1781 2006-09-13 Jan Hubicka <jh@suse.cz>
1783 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1785 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1787 PR rtl-optimization/28243
1788 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1789 the insn to which the note was originally attached.
1791 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1792 Roger Sayle <roger@eyesopen.com>
1794 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1795 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1796 on platforms that don't use dwarf for debug info.
1798 2006-09-12 Jason Merrill <jason@redhat.com>
1801 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1802 hard_frame_pointer_rtx after using it to update the frame pointer.
1804 2006-09-12 Roger Sayle <roger@eyesopen.com>
1806 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1807 (TARGET_ASM_CLOSE_PAREN): Likewise.
1808 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1809 (TARGET_ASM_CLOSE_PAREN): Likewise.
1811 2006-09-12 Roger Sayle <roger@eyesopen.com>
1814 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1815 frame information for frames larger than 512 Kbytes on Tru64 when
1816 using the native assembler.
1818 2006-09-12 Roger Sayle <roger@eyesopen.com>
1822 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1823 and symbols. Instead use the implementation from cse.c's hash_rtx.
1825 2006-09-12 Jan Hubicka <jh@suse.cz>
1827 PR rtl-optimization/28071
1828 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1829 (vect_transform_loop): Likewise.
1830 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1831 (new_loop_vec_info): Likewise.
1832 (destroy_loop_vec_info): Likewise.
1833 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1834 (create_stmt_ann): Likewise.
1835 (create_tree_ann): Rename to ...
1836 (create_tree_common_ann): ... this one; allocate only the common part
1838 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1839 (get_value_handle): Likewise.
1840 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1841 get_tree_common_ann.
1842 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1843 (vinfo_for_stmt): Use stmt annotations.
1844 * tree-flow.h (tree_ann_common_t): New type.
1845 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1846 (tree_ann, get_tree_ann, create_tree_ann): New.
1847 * tree-flow-inline.h (get_function_ann): Do more type checking.
1848 (stmt_ann): Likewise.
1849 (tree_ann): Rename to ...
1850 (tree_common_ann): ... this one; return ony common_ann
1851 (get_tree_ann): Rename to ...
1852 (tree_common_ann): This one; return only common_ann.
1853 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1856 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1858 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1859 with_cpu by default.
1861 * dwarf2out.c (dwarf_file_data): New.
1862 (enum dw_val_class): Add dw_val_class_file.
1863 (struct dw_val_struct): Add val_file.
1864 (file_table): Change to a hash table.
1865 (file_table_emitted): Delete.
1866 (file_table_last_lookup_index): Delete.
1867 (emitcount): Delete.
1868 (last_emitted_file): New.
1869 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1870 (init_file_table): Delete.
1871 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1872 (AT_addr): Add comment.
1876 (print_die): Handle dw_val_class_file.
1877 (print_dwarf_line_table): Update for new file table structure.
1878 (attr_checksum): Do checksum a filename.
1879 (same_dw_val_p, same_attr_p): Do compare a filename.
1880 (size_of_die): Handle dw_val_class_file.
1881 (value_format): Likewise.
1882 (output_die): Likewise. Also, call maybe_emit_file here.
1883 (struct file_info): Constify filenames. Make file_idx a pointer
1884 to a struct dwarf_file_data.
1885 (struct dir_info): Constify directory names. Remove 'used' field.
1886 (struct file_name_acquire_data): New.
1887 (file_name_acquire): New.
1888 (output_file_names): Modify to handle new file data structures.
1889 (add_src_coords_attributes): Use add_AT_file.
1890 (add_call_src_coords_attributes): Likewise.
1891 (dwarf2out_imported_module_or_decl): Likewise.
1892 (gen_subprogram_die): Modify for new file data structures.
1893 (gen_variable_die): Likewise.
1894 (file_table_eq): New.
1895 (file_table_hash): New.
1896 (file_table_last_lookup): New.
1897 (lookup_filename): Rewrite to handle new file data structures.
1898 (maybe_emit_file): Rewrite to handle new file data structures.
1899 (dwarf2out_source_line): Always call lookup_filename and
1901 (dwarf2out_init): Create file_table here.
1902 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1903 (file_table_relative_p): New.
1904 (dwarf2out_finish): Change detection of relative filenames
1905 to work with new file data structures. Move output_line_info call
1906 after debug_info output.
1908 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1913 * config/i386/i386.c (override_options): Always default to 16
1914 byte stack boundary.
1916 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1919 * var-tracking.c (dump_dataflow_set): Start dumping at
1921 (clobber_variable_part): Kill only the variable part in
1922 registers holding it, leaving other variables alone.
1924 2006-09-11 Josh Triplett <josh@freedesktop.org>
1926 * doc/extend.texi (Other Builtins): Actually use the macro
1927 argument in the documentation example for
1928 __builtin_types_compatible_p.
1930 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1932 PR rtl-optimization/28726
1933 * sched-deps.c (sched_analyze_reg): New function extracted from...
1934 (sched_analyze_1): ...here. Call it to analyze references to
1935 registers. Treat again writes to a stack register as writing to the
1937 (sched_analyze_2): ...and here. Call it to analyze references to
1938 registers. Treat again reads of a stack register as reading the
1941 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1942 David Edelsohn <edelsohn@gnu.org>
1945 * config/rs6000/spe.md (frob_df_di): Remove %H.
1946 (frob_di_df): Remove %H. Change evmergelo to mr.
1947 (frob_di_df_2): Remove %H. Change evldd to two loads.
1949 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1951 * doc/cpp.texi: Fix names of charset options.
1953 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1956 * config/i386/i386.c (override_options): Use 128-bit
1957 stack boundary always for 64bits.
1959 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1961 PR rtl-optimization/28636
1962 * combine.c (force_to_mode): Test for side-effects before
1963 substituting by zero.
1964 (simplify_shift_const): Likewise for zero or other constants.
1966 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1969 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1972 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1975 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1976 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1977 returned by mode_for_size, rather than the mode of src itself,
1978 to choose between 32-bit and 64-bit patterns.
1979 (mips_mem_fits_mode_p): New function.
1980 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1981 that the size of the source matches the size of the destination.
1982 (mov_<store>l, mov_<store>r): Likewise.
1984 2006-09-10 Eric Christopher <echristo@apple.com>
1986 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1989 2006-09-09 Eric Christopher <echristo@apple.com>
1992 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1995 2006-09-09 Roger Sayle <roger@eyesopen.com>
1996 Nicolas Setton <setton@adacore.com>
1998 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2000 2006-09-10 Andreas Schwab <schwab@suse.de>
2002 * config/m68k/m68k.md (bungt_rev): New pattern.
2004 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2005 Dale Johannesen <dalej@apple.com>
2008 * regclass.c (struct reg_pref): Update documentation.
2009 (regclass): Set prefclass to NO_REGS if memory is the best option.
2010 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2012 2006-09-08 Eric Christopher <echristo@apple.com>
2014 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2015 * config/t-slibgcc-darwin: Support x86_64 multilib.
2016 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2017 Return 1 for x86_64-darwin.
2018 * config/i386/t-darwin: Add m64 multilib.
2019 (LIB2_SIDITI_CONV_FUNCS): Use.
2020 (LIB2FUNCS_EXTRA): Ditto.
2021 * config/i386/darwin.h: Support x86_64.
2022 * config/i386/i386.c (override_options): Turn on flag_pic
2023 for x86_64-darwin. Disable flag_omit_pointer.
2024 (get_pc_thunk_name): Assert !TARGET_64BIT.
2025 (legitimate_address_p): Disable machopic addressing for
2027 (legitimize_pic_address): Ditto.
2028 (ix86_expand_move): Ditto.
2029 (ix86_expand_call): Ditto.
2030 (machopic_output_stub): Ditto.
2031 * config/darwin.c (machopic_select_section): Support literal16.
2032 (machopic_select_rtx_section): Ditto.
2033 * config/darwin-sections.def: Ditto.
2034 * config/darwin-64.c: New.
2036 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2039 * c-tree.h (struct c_arg_info): Add pending_sizes.
2040 * c-parser.c (c_parser_parms_declarator,
2041 c_parser_parms_list_declarator): Initialize pending_sizes.
2042 * c-decl.c (get_parm_info): Initialize pending_sizes.
2043 (get_parm_info): Set pending_sizes.
2044 (grokdeclarator): Call put_pending_sizes for parameters for
2045 function definition only.
2047 2006-09-07 Jason Merrill <jason@redhat.com>
2050 * varasm.c (output_constant): Only strip actual no-op conversions.
2053 * config/i386/i386.c (override_options): Use 128-bit
2054 stack boundary if -msse.
2056 2006-09-07 Eric Christopher <echristo@apple.com>
2058 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2060 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2063 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2065 * dwarf2out.c: Remove strange characters from comment above
2066 dwarf2out_frame_debug_expr.
2068 2006-09-07 Eric Christopher <echristo@apple.com>
2070 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2071 * config/darwin.h: ... to here.
2073 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2075 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2077 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2078 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2080 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2081 TARGET_PARTIAL_FLAG_REG_STALL.
2082 (*ashldi3_cconly_rex64): Likewise.
2083 (*ashlsi3_cmp): Likewise.
2084 (*ashlsi3_cconly): Likewise.
2085 (*ashlsi3_cmp_zext): Likewise.
2086 (*ashlhi3_cmp): Likewise.
2087 (*ashlhi3_cconly): Likewise.
2088 (*ashlqi3_cmp): Likewise.
2089 (*ashlqi3_cconly): Likewise.
2090 (*ashrdi3_cmp_rex64): Likewise.
2091 (*ashrdi3_cconly_rex64): Likewise.
2092 (*ashrsi3_cmp): Likewise.
2093 (*ashrsi3_cconly): Likewise.
2094 (*ashrsi3_cmp_zext): Likewise.
2095 (*ashrhi3_cmp): Likewise.
2096 (*ashrhi3_cconly): Likewise.
2097 (*ashrqi3_cmp): Likewise.
2098 (*ashrqi3_cconly): Likewise.
2099 (*lshrdi3_cmp_rex64): Likewise.
2100 (*lshrdi3_cconly_rex64): Likewise.
2101 (*lshrsi3_cmp): Likewise.
2102 (*lshrsi3_cconly): Likewise.
2103 (*lshrsi3_cmp_zext): Likewise.
2104 (*lshrhi3_cmp): Likewise.
2105 (*lshrhi3_cconly): Likewise.
2106 (*lshrqi2_cmp): Likewise.
2107 (*lshrqi2_cconly): Likewise.
2109 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2112 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2113 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2114 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2115 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2116 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2117 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2118 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2119 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2120 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2121 implement only CC setting effects of shift instructions.
2123 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2125 * doc/contrib.texi: Add myself.
2127 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2130 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2131 was set by the user.
2133 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2136 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2137 (divsi_inv_m1): Use them.
2138 (UNSPEC_DIV_INV_TABLE): New constant.
2140 2006-09-06 James E Wilson <wilson@specifix.com>
2143 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2144 then call count_or_remove_death_notes.
2146 2006-09-06 Jason Merrill <jason@redhat.com>
2149 * tree-inline.c (copy_result_decl_to_var): New fn.
2150 (declare_return_variable): Use it. Call declare_inline_vars here.
2151 (expand_call_inline): Not here.
2153 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2155 * doc/contrib.texi: Update my entry.
2157 2006-09-06 Nick Clifton <nickc@redhat.com>
2159 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2161 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2164 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2165 (canonicalize_induction_variables): Likewise.
2166 (tree_unroll_loops_completely): Likewise.
2167 (tree_ssa_prefetch_arrays): Likewise.
2168 (remove_empty_loops): Likewise.
2169 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2170 TODO_cleanup_cfg instead of directly calling
2171 cleanup_tree_cfg_loop.
2172 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2174 (tree_unroll_loops_completely): Likewise.
2175 (remove_empty_loops): Likewise.
2176 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2177 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2178 of tree_ssa_unswitch_loops.
2179 (tree_ssa_loop_ivcanon): Use the return value of
2180 canonicalize_induction_variables.
2181 (tree_ssa_empty_loop): Use the return value of
2183 (tree_complete_unroll): Use the return value of
2184 tree_unroll_loops_completely.
2185 (tree_ssa_loop_prefetch): Use the return value of
2186 tree_ssa_prefetch_arrays.
2187 * passes.c (execute_todo): Before Cleanup CFG, set
2188 updating_used_alone and after cleanup CFG, call
2189 recalculate_used_alone.
2191 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2194 * tree-vect-transform.c (vectorizable_condition): Move the check
2195 for the type after the check for simple condition.
2197 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2198 Kaz Kojima <kkojima@gcc.gnu.org>
2201 * mode-switching.c (optimize_mode_switching): Make the destination
2202 block of an abnormal edge have no anticipatable mode. Don't
2203 insert mode switching code at the end of the source block of
2206 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2208 PR rtl-optimization/26847
2209 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2210 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2211 (simplify_plus_minus): Count n_constants while filling ops. Replace
2212 qsort with insertion sort. Before going through the array to simplify
2213 pairs, sort it. Delay early exit until after the first sort, exiting
2214 only if no swaps occurred. Simplify pairs in reversed order, without
2215 special-casing the first iteration. Pack ops after simplifying pairs.
2217 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2219 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2220 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2221 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2222 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2224 2006-09-05 Richard Guenther <rguenther@suse.de>
2226 PR tree-optimization/28900
2227 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2228 compound conditional before creating COND_EXPR condition.
2230 2006-09-05 Richard Guenther <rguenther@suse.de>
2232 PR tree-optimization/28905
2233 * tree-vrp.c (fix_equivalence_set): Manually implement
2234 !value_ranges_intersect_p to also handle symbolic ranges.
2236 2006-09-05 Richard Guenther <rguenther@suse.de>
2239 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2242 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2244 PR rtl-optimization/27616
2245 * cse.c (table_size): New static variable.
2246 (new_basic_block): Initialize it to 0.
2247 (remove_from_table): Decrement it.
2248 (insert): Increment it.
2249 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2250 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2251 fold_rtx_mem_1 if under the cap.
2252 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2253 the lookup of the equivalent expression and test for equality of the
2254 first operand of the equivalent expression before in turn looking up
2255 an equivalent constant for the second operand.
2257 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2260 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2261 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2262 pointer, instead of assuming it is possible to derive the
2263 correct args size from a call insn.
2265 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2268 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2269 (fold_builtin_mempcpy): Rename to...
2270 (fold_builtin_memory_op): ... this. Optimize one element copy
2272 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2274 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2275 (expand_builtin_memcpy, expand_builtin_mempcpy,
2276 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2277 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2278 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2279 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2281 2006-09-01 DJ Delorie <dj@redhat.com>
2283 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2284 (stzx_16): Likewise.
2285 ("stzx_24_<mode>"): Likewise.
2286 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2287 ("cmp<mode>_op"): New.
2288 (cmp<mode>): Change to expander; just save operands.
2290 (b<code>): Change to expander, emit compare here.
2291 (s<code>_op): Change to use split and expander.
2292 (s<code>_24_op): Likewise.
2293 (s<code>_<mode>): New.
2294 (s<code>_<mode>_24): New.
2295 (movqicc_<code>_<mode): New.
2296 (movhicc_<code>_<mode>): New.
2299 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2300 (m32c_pend_compare): New.
2301 (m32c_unpend_compare): New.
2302 (m32c_expand_scc): New.
2303 (m32c_expand_movcc): Emit the compare also.
2304 * config/m32c/predicates.md (mra_nopp_operand): New.
2306 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2307 Richard Guenther <rguenther@suse.de>
2308 Adam Nemet <anemet@caviumnetworks.com>
2311 * builtins.c (get_pointer_alignment): Handle more forms
2312 of base addresses that can be used to derive more precise
2313 information about alignment.
2315 2006-09-01 Jason Merrill <jason@redhat.com>
2318 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2321 * gimplify.c (voidify_wrapper_expr): Handle null type.
2323 2006-09-01 Josh Conner <jconner@apple.com>
2326 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2327 (execute_return_slot_opt): Use it.
2329 2006-08-31 Josh Conner <jconner@apple.com>
2332 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2333 returning aggregates.
2335 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2337 PR tree-optimization/28839
2338 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2339 blocks in that phi arguments appear.
2341 2006-08-31 Roger Sayle <roger@eyesopen.com>
2344 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2345 NULL, otherwise use an advance_loc4 to adjust relative to the
2347 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2348 (dwarf2out_switch_text_section): Reset the current label to avoid
2349 using advance_loc4 over section boundaries.
2351 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2354 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2355 r12 + SYMBOLIC_CONST.
2357 2006-08-30 Richard Guenther <rguenther@suse.de>
2359 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2361 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2363 PR rtl-optimization/27735
2364 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2365 Add new argument to keep track of whether an irreducible region
2366 was affected. All callers changed.
2367 (fix_irreducible_loops): Removed.
2368 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2369 flags were invalidated.
2371 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2373 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2374 instead of SF operands.
2375 (*fop_df_comm_sse): Likewise.
2376 (*fop_df_comm_i387): Likewise.
2377 (*fop_df_1_mixed): Likewise.
2378 (*fop_df_1_sse): Likewise.
2380 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2381 J"orn Rennecke <joern.rennecke@st.com>
2383 PR tree-optimization/17506
2384 * tree-ssa.c (warn_uninit): If warning about a location outside of
2385 the current function, note where the variable was declared.
2387 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2389 PR tree-optimization/28411
2390 * double-int.c (double_int_div): Use double_int_divmod.
2391 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2392 double_int_mod, double_int_smod, double_int_umod): New functions.
2393 * double-int.h (double_int_divmod, double_int_sdivmod,
2394 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2396 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2398 (get_computation_aff, get_computation_cost_at): Handle double_int
2399 return type of constant_multiple_of.
2401 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2404 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2405 an implicit conversion.
2407 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2409 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2411 2006-08-27 Roger Sayle <roger@eyesopen.com>
2413 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2416 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2418 * config/i386/crtfastmath.c: Fix a comment typo.
2420 2006-08-26 Roger Sayle <roger@eyesopen.com>
2422 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2423 temporary visit flags on CASE_LABEL_EXPRs.
2424 * c-common.c (match_case_to_enum): Add function comment. Avoid
2425 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2426 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2427 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2428 a constant, only warn if that constant value isn't handled.
2430 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2433 * input.h (restore_input_file_stack): Declare.
2434 (INPUT_FILE_STACK_BITS): Define.
2435 * toplev.c (fs_p, input_file_stack_history,
2436 input_file_stack_restored, restore_input_file_stack): New.
2437 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2438 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2439 (pop_srcloc): Don't free old state of stack.
2441 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2444 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2445 (PowerPC Type Attributes): New.
2447 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2449 * config/xtensa/xtensa.c (function_arg_boundary): New.
2450 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2452 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2453 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2455 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2458 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2461 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2463 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2464 (verify_local_live_at_start): Likewise.
2466 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2469 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2470 omp_add_variable): Treat sizes as variable whenever not
2473 2006-08-26 Richard Guenther <rguenther@suse.de>
2476 * fold-const.c (fold_binary): Fold temporary to correct
2477 type before constructing new comparison.
2479 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2482 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2483 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2485 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2488 * c-decl.c (start_function): Don't try to process prototype
2489 information from old declaration that isn't a function.
2491 2006-08-25 Jan Hubicka <jh@suse.cz>
2494 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2496 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2499 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2502 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2504 PR tree-optimization/16876
2505 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2506 exit if PARM doesn't match VALUE.
2508 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2510 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2511 literal_prefix directive.
2512 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2513 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2514 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2516 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2519 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2520 predicate to general_operand. Add 0->y and I->r alternatives.
2522 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2524 * doc/tm.texi: Fix a typo.
2525 * predict.c: Fix comment typos.
2527 2006-08-25 Nick Clifton <nickc@redhat.com>
2529 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2530 assertions of "cpu" and "machine".
2532 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2535 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2536 the access through a base which has an alias set of 0 cannot
2539 2006-08-24 Bill Wendling <wendling@apple.com>
2541 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2543 2006-08-24 Jan Hubicka <jh@suse.cz>
2545 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2547 2006-08-24 Jan Hubicka <jh@suse.cz>
2550 * cgraph.c: Fix comments.
2551 (cgraph_varpool_mark_needed_node): Mark only variables not already
2553 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2554 (cgraph_varpool_assembled_nodes_queue): New static variable.
2555 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2556 (cgraph_varpool_output_debug_info): New function.
2557 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2558 * Makefile.in: Add gt-cgraphunit.h
2560 2006-08-24 Jan Hubicka <jh@suse.cz>
2562 * predict.c (probability_reliable_p): New predicate.
2563 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2564 (predict_loops): Do not predict loop exit with less than 2%
2566 * basic-block.h (edge_probability_reliable_p,
2567 br_prob_note_reliable_p): Declare.
2568 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2569 prediction when static predictor is not reliable.
2570 * rs6000.c (output_cbranch): Likewise.
2572 2006-08-23 Stuart Hastings <stuart@apple.com>
2575 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2576 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2578 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2581 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2582 complex values, nor for generic vector values.
2584 2006-08-22 Richard Guenther <rguenther@suse.de>
2587 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2588 parameter. Convert arguments to arithmetic expression to the
2590 (analyze_scalar_evolution_1): Adjust caller.
2592 2006-08-22 Jan Hubicka <jh@suse.cz>
2594 Patch by Paolo Bonzini
2595 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2598 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2600 PR tree-optimization/28003
2601 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2602 before grouping aliases.
2604 2006-08-22 Roger Sayle <roger@eyesopen.com>
2606 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2607 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2609 2006-08-21 Jason Merrill <jason@redhat.com>
2612 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2613 wrapper. Loop to handle nested wrappers.
2614 (gimplify_bind_expr): Remove temp parameter.
2615 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2616 and STATEMENT_LIST on the rhs.
2617 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2618 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2619 (gimplify_target_expr): Remove special BIND_EXPR handling.
2621 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2623 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2626 2006-08-21 Olivier Hainque <hainque@adacore.com>
2628 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2629 Arrange for the temporary captures of components overlapping the lhs
2630 to happen before the lhs is possibly cleared.
2632 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2634 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2635 necessary places to pass the correct "number of registers" values
2638 2006-08-20 Jan Hubicka <jh@suse.cz>
2640 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2641 (create_name_tags): Instead of quadratic checking use hashtable.
2642 * bitmap.h: Include hashtab.h.
2643 (bitmap_hash): Declare.
2644 * bitmap.c (bitmap_hash): New function.
2646 2006-08-20 Jan Hubicka <jh@suse.cz>
2648 PR rtl-optimization/28071
2649 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2651 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2652 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2653 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2654 cgraph_decide_inlining_incrementally): Update use of
2655 cgraph_check_inline_limits.
2656 * cgraph.c (edge_hash, edge_eq): New function.
2657 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2658 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2659 cgraph_remove_node): Maintain call site hash.
2660 * cgraph.h (struct cgraph_node): Add call_site_hash.
2661 (cgraph_set_call_stmt): New function.
2663 2006-08-20 Jan Hubicka <jh@suse.cz>
2665 PR rtl-optimization/28071
2666 * reload1.c (reg_has_output_reload): Turn into regset.
2667 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2668 choose_reload_regs, emit_reload_insns): Update to new
2669 reg_has_output_reload.
2671 2006-08-20 Jan Hubicka <jh@suse.cz>
2674 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2675 function body sizes.
2676 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2678 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2681 * tree.c (handle_dll_attribute): Return early if not a
2682 var or function decl.
2684 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2687 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2688 alignment of SPE vector types.
2690 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2692 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2694 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2697 * cgraph.h (struct cgraph_node): Remove externally_visible
2699 * cgraphunit.c (process_function_and_variable_attributes): Set
2700 local.externally_visible rather than externally_visible.
2703 * c-common.c (handle_externally_visible_attribute): First look
2704 at TREE_CODE and only if it is function or var decl, check for
2705 non-public objects. Don't warn for DECL_EXTERNAL.
2706 * cgraphunit.c (process_function_and_variable_attributes): Warn
2707 if externally_visible attribute is used on non-public object.
2709 2006-08-17 Jan Hubicka <jh@suse.cz>
2711 PR tree-optimization/27865
2712 * reload1.c (forget_marked_reloads): New function.
2713 (forget_old_reloads_1): When data are passed, just mark the registers
2715 (reload_as_needed): Use the new mechanizm.
2717 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2720 * reload.h (reg_equiv_alt_mem_list): New declaration.
2721 * reload1.c (reg_equiv_alt_mem_list): New definition.
2722 (reload): Initialize it and release it.
2723 (delete_output_reload): Use it.
2724 * reload.c (push_reg_equiv_alt_mem): New function.
2725 (find_reloads_toplev): Call it.
2726 (find_reloads_address, find_reloads_address_1): Likewise.
2727 (find_reloads_subreg_address): Likewise.
2729 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2731 PR rtl-optimization/28489
2732 * sched-ebb.c (begin_schedule_ready): Create basic block
2734 (advance_target_bb): Skip empty blocks.
2735 * haifa-sched.c (bb_note): Make global.
2736 * sched-int.h (bb_note): Add prototype.
2738 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2740 PR tree-optimization/27865
2741 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2743 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2744 fold_used_pointer, pointer_used_p): New functions.
2745 (analyze_scalar_evolution_1): Use fold_used_pointer.
2746 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2747 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2750 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2753 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2754 or the INTEGER_CST. Fail on a CALL_EXPR.
2755 (fold_offsetof): Pass new argument to fold_offsetof_1.
2756 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2757 operand into an INDIRECT_REF.
2758 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2760 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2762 PR gcov/profile/26570
2763 * value-prof.c (static_values): Removed.
2764 (tree_find_values_to_profile): Do not set static_values.
2765 (find_values_to_profile): Do not free static_values.
2766 * profile.c (instrument_values): Do not free the values.
2767 (branch_prob): Free the values.
2769 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2771 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2773 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2776 * c-typeck.c (build_component_ref): Combine qualifiers of
2777 structure or union and field.
2779 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2781 PR rtl-optimization/28071
2782 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2783 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2784 * tree-into-ssa.c (struct dom_dfsnum): New.
2785 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2787 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2788 compute_global_livein.
2789 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2790 in phi nodes in the correct blocks.
2792 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2794 PR tree-optimization/28364
2795 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2797 (fold_affine_expr): New function.
2798 (may_eliminate_iv): Use fold_affine_expr.
2800 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2803 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2806 2006-08-16 Mike Stump <mrs@apple.com>
2808 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2809 * doc/cppopts.texi (-MD): Likewise.
2811 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2814 * c-common.c (handle_weak_attribute): Ignore and warn if
2815 not a FUNCTION_ or VAR_DECL.
2817 2006-07-15 Mike Stump <mrs@apple.com>
2820 * c-parser.c (c_parser_typeof_specifier): Don't use
2821 c_finish_expr_stmt, open code desired semantics instead.
2823 2006-08-15 Nick Clifton <nickc@redhat.com>
2825 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2826 fragment to tmake_file only if threads are enabled.
2827 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2828 * config/i386/t-gthr-win32: New file. ... here.
2830 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2833 * c-parser.c (c_parser_compound_statement_nostart): Reset
2834 parser->error after each statement.
2836 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2839 * omp-low.c (lower_omp_parallel): Convert t to
2840 receiver_decl's type.
2841 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2842 source before comparison.
2845 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2846 to itype in assignment to oldival2.
2848 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2852 * c-typeck.c (build_compound_expr): If the second expression
2853 is an error mark, then just return an error mark instead of
2854 creating a COMPOUND_EXPR.
2856 2006-07-14 Mike Stump <mrs@apple.com>
2858 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2860 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2862 * c-decl.c, var-tracking.c: Fix comment typos.
2864 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2866 PR rtl-optimization/28634
2867 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2868 for floating-point modes unless flag_unsafe_math_optimizations.
2870 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2871 Andrew Pinski <pinskia@physics.uc.edu>
2874 * tree.c (build_array_type): Unify array types with
2875 unspecified index_type.
2876 * c-decl.c (grokdeclarator): Make sure we do not modify a
2877 unified incomplete array type.
2878 * c-typeck.c (store_init_value): Create distinct type before
2879 filling in the index type in an initializer from a compound
2882 * c-decl.c (grokdeclarator): Remove code where we copy the
2885 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2887 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2888 into account for TODO_dump_cgraph.
2889 (TODO_update_ssa_no_phi): Likewise.
2890 (TODO_update_ssa_full_phi): Likewise.
2891 (TODO_update_ssa_only_virtuals): Likewise.
2892 (TODO_remove_unused_locals): Likewise.
2893 (TODO_set_props): Likewise.
2894 (TODO_update_stmt_usage): Likewise.
2896 2006-08-13 Dirk Mueller <dmueller@suse.de>
2898 * c-common.c (strict_aliasing_warning): Fix formatting.
2900 2006-08-13 Matthias Klose <doko@debian.org>
2902 * doc/invoke.texi: Fix spelling errors.
2904 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2906 PR rtl-optimization/23454
2907 * reorg.c (relax_delay_slots): Update comment.
2909 2006-08-11 Richard Guenther <rguenther@suse.de>
2912 * simplify-rtx.c (simplify_const_relational_operation):
2913 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2916 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2918 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2919 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2921 2006-08-10 Paul Brook <paul@codesourcery.com>
2923 * final.c (final_scan_insn): Clear current_insn_predicate before
2924 outputting inline asm.
2926 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2928 PR tree-optimization/26197
2929 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2930 get_ref_base_and_extent and overlap_subvar to add only relevant
2931 subvars as may-aliases.
2932 (add_may_alias_for_new_tag): New function, factored out of
2934 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2935 with additional argument.
2936 * tree-flow.h (new_type_alias): Takes additional argument.
2938 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2940 * gcov.c (no_data_file): New flag.
2941 (read_count_file): Set it if data file not present. Assume counts
2943 (output_lines): Don't name the data file, if there wasn't one.
2945 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2947 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2948 (rs6000_generate_compare): Tweak comments.
2949 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2951 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2953 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2954 (var_debug_decl): New function.
2955 (var_reg_set): Follow debug decl link. Add location even if
2956 reg is already known to hold some other variable.
2957 (var_mem_set): Follow debug decl link.
2958 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2959 decl link. Delete other known locations of the variable part
2961 (var_reg_delete, var_mem_delete): Delete other known locations
2962 of the variable part if requested.
2963 (same_variable_part_p): New function.
2964 (add_stores): Select MO_COPY when appropriate.
2965 (vt_initialize): Handle it.
2966 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2967 known locations for MO_SET and MO_CLOBBER.
2968 (find_variable_location_part): New function.
2969 (set_variable_part, delete_variable_part): Use it.
2970 (clobber_variable_part): New function.
2971 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2974 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2976 PR tree-optimization/26969
2977 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2978 with an empty list of PHIs.
2980 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2984 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2987 2006-08-06 Andreas Schwab <schwab@suse.de>
2989 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2990 string. Whitespace and comment fixup.
2992 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2995 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2999 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3002 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3004 2006-08-04 Jan Hubicka <jh@suse.cz>
3008 * reload.c (push_reload): Patch out the mismatching instruction;
3010 (find_reload): Bail out if the instruction was patched out.
3012 2006-08-04 Jan Hubicka <jh@suse.cz>
3014 PR tree-optimization/24888
3015 * tree-inline.c (expand_call_inline): Do not re-record variables.
3016 (declare_inline_vars): Add variable to unexpanded_var_list.
3018 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3019 Roger Sayle <roger@eyesopen.com>
3021 PR rtl-optimization/26244
3022 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3023 inner_const are negative or greater than or equal to the bitsize of
3024 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3025 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3026 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3027 CONST0_RTX (mode) when the new shift count is greater than or equal to
3028 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3031 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3033 * tree-cfg.c: Fix a comment typo.
3035 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3038 * varasm.c (output_constant): Give the front end another chance to
3039 expand constants, after stripping NOPs.
3041 2006-08-03 Jan Hubicka <jh@suse.cz>
3043 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3046 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3048 PR tree-optimization/27770
3049 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3050 declaration removed (moved to tree-flow.h).
3051 (vect_can_force_dr_alignment_p): Likewise.
3052 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3053 (moved from tree-vectorizer.h).
3054 (vect_can_force_dr_alignment_p): Likewise.
3055 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3056 from outside the vectorizer - in particular from cgraph stage.
3057 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3058 the alignment of global arrays when -fsection-anchors is enabled.
3059 * cgraphunit.c (cgraph_increase_alignment): New function.
3060 (cgraph_optimize): Call cgraph_increase_alignment.
3062 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3065 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3066 not reload a SPE symbol_ref into a lo_sum address.
3068 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3071 * dwarf2out.c (prune_unused_types_prune): Move call to
3072 prune_unused_types_update_strings to cover the parent DIE also.
3074 2006-08-02 Jan Hubicka <jh@suse.cz>
3076 PR gcov/profile/28480
3077 * tree-cfg.c (change_bb_for_stmt): New function.
3078 (tree_merge_blocks, tree_split_blocks): Use it.
3080 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3086 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3087 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3088 (cgraph_optimize): Likewise.
3090 2006-08-01 Stuart Hastings <stuart@apple.com>
3092 * rtl.h (UINTVAL) New.
3093 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3094 * testsuite/gcc.dg/20060801-1.c: New.
3096 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3099 * c-typeck.c (build_external_type): Mark used enum types.
3100 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3102 (gen_subprogram_die): Whitespace fix.
3104 2006-08-01 Jan Hubicka <jh@suse.cz>
3106 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3107 bitmap when not needed.
3108 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3111 2006-08-01 Dirk Mueller <dmueller@suse.de>
3113 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3115 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3117 * Makefile.in: Revert part of previous patch:
3118 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3121 2006-07-30 Eric Christopher <echristo@apple.com>
3124 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3125 (PowerPC Variable Attributes): New section.
3127 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3129 PR target/28126 (partial fix)
3130 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3132 2006-07-28 Jan Hubicka <jh@suse.cz>
3134 PR rtl-optimization/28071
3135 * cfgrtl.c (rtl_delete_block): Free regsets.
3136 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3138 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3140 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3141 and variables used in dependencies.
3143 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3145 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3146 %fs for -mcmodel=kernel.
3147 (stack_tls_protect_test_di): Likewise.
3149 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3151 * Makefile.in: Use mkinstalldirs.
3153 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3156 * opts-common.c (prune_options): Skip joined switches.
3158 2006-07-27 Jan Hubicka <jh@suse.cz>
3160 PR rtl-optimization/28071
3161 * cselib.c (cselib_process_insn): Don't remove useless values too
3162 often for very large hashtables.
3164 2006-07-27 Jan Hubicka <jh@suse.cz>
3166 PR rtl-optimization/28071
3167 * global.c (greg_obstack): New obstack.
3168 (allocate_bb_info): Use it.
3169 (free_bb_info): Likewise.
3170 (modify_reg_pav): Likewise.
3172 2006-07-27 Roger Sayle <roger@eyesopen.com>
3174 * builtins.c (fold_fixed_mathfn): When long and long long are the
3175 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3176 functions to their lceil*, lfloor*, lround* and lrint* forms.
3178 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3181 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3183 (rev_branch_insn): Likewise.
3185 2006-07-27 Jan Hubicka <jh@suse.cz>
3187 PR rtl-optimization/28071
3188 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3189 (reg_set_in_bb, max_reg_computed): New static variables.
3190 (regmove_optimize): Free the new array.
3191 (fixup_match_1): Update call of reg_is_remote_constant_p.
3193 2006-07-26 Jan Hubicka <jh@suse.cz>
3195 PR tree-optimization/27882
3196 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3198 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3200 (cgraph_analyze_compilation_unit): Likewise.
3201 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3202 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3203 (cgraph_early_inlinine): Make order garbage collected.
3204 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3206 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3208 * dbxout.c (output_types_sort): Add a comment.
3209 (output_used_types): Free the VEC.
3211 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3213 * function.c (reorder_fix_fragments): Delete.
3214 (reorder_blocks): Don't call it.
3215 (reorder_blocks_1): Put all subblocks under the origin block.
3217 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3219 PR rtl-optimization/27907
3220 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3223 2006-07-25 Roger Sayle <roger@eyesopen.com>
3226 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3227 bar(x) check that bar's result type can represent all the values of T.
3229 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3231 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3233 2006-07-25 Nick Clifton <nickc@redhat.com>
3235 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3236 size_lookup[] array.
3237 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3238 (ggc_pch_count_object): Likewise.
3239 (ggc_pch_alloc_object): Likewise.
3240 (ggc_pch_write_object): Likewise.
3241 (init_ggc): Do not attempt to initialize entries in the
3242 size_lookup[] array for objects whose size is greater than than
3243 the length of the array.
3245 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3247 * dbxout.c (output_used_types_helper): Push queued types
3249 (output_types_sort): New.
3250 (output_used_types): Collect used types on a VEC and sort them
3253 2006-07-24 Richard Guenther <rguenther@suse.de>
3256 * cgraph.c (cgraph_remove_node): Do not check if dumps
3258 * cgraphunit.c (cgraph_optimize): Likewise.
3260 2006-07-24 Jan Hubicka <jh@suse.cz>
3262 PR rtl-optimization/28071
3263 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3264 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3265 splitting before first stmt.
3267 2006-07-24 Jan Hubicka <jh@suse.cz>
3269 PR rtl-optimization/28071
3270 * ipa-inline.c (update_caller_keys): Remove edges that
3271 are no longer inline candidates.
3273 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3276 * dbxout.c (output_used_types_helper, output_used_types): New.
3277 (dbxout_symbol): Call output_used_types.
3279 2006-07-23 Jan Hubicka <jh@suse.cz>
3283 * cgraph.c (cgraph_varpool_nodes): Export.
3284 (decide_is_variable_needed): Ignored "used" attribute in
3285 unit-at-a-time mode.
3286 * cgraph.h (cgraph_varpool_nodes): Declare.
3287 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3288 unit-at-a-time mode.
3290 2006-07-23 Roger Sayle <roger@eyesopen.com>
3293 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3294 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3295 the __gthrw form of thr_keycreate.
3296 (__gthread_key_delete): Silence the unused argument warning.
3298 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3301 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3302 Cache the last found '\0' marker to avoid quadratic behavior.
3304 2006-07-23 Jan Hubicka <jh@suse.cz>
3306 * i386.md (subsi_3_zext): Fix output template.
3308 2006-07-21 Mike Stump <mrs@apple.com>
3310 * doc/invoke.texi (C++ Dialect Options): Note that
3311 -fvisibility-inlines-hidden doesn't affect explicitly
3312 instantiationed inline methods.
3314 2006-07-20 Roger Sayle <roger@eyesopen.com>
3316 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3317 if the target assembler is GNU binutils' gas.
3318 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3319 whether to pass GNU gas or native as command line options.
3321 2006-07-20 Jason Merrill <jason@redhat.com>
3323 * tree.c (remove_attribute): New fn.
3324 * tree.h: Declare it.
3326 2006-07-20 Paul Brook <paul@codesourcery.com>
3329 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3330 they are invalidated by this instruction.
3332 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3335 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3337 2006-07-20 Eric Christopher <echristo@apple.com>
3340 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3342 2006-07-19 Eric Christopher <echristo@apple.com>
3344 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3345 Rewrite dependencies for libgcc_s.1.dylib.
3347 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3349 * except.c (duplicate_eh_regions_1): Clear next_peer.
3351 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3353 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3354 -mlongcall does not guarantee all calls will be long.
3355 * doc/extend.texi (long_call/short_call): Document that longcall
3356 does not guarantee a long call will be used.
3357 (longcall/shortcall): Likewise.
3359 2006-07-18 Roger Sayle <roger@eyesopen.com>
3362 * expmed.c (expand_shift): Additionally check that the shift_cost
3363 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3364 before implementing a LSHIFT_EXPR as a sequence of additions.
3365 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3366 middle-end that DImode shifts need to be synthesized by expand.
3368 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3371 * tree-ssa-operands.c (access_can_touch_variable): Update
3373 Return true if ALIAS is .GLOBAL_VAR.
3375 2006-07-18 David Daney <ddaney@avtrex.com>
3377 * gcc.c (display_help): Fix typo in help text.
3379 2006-07-18 Olivier Hainque <hainque@adacore.com>
3381 * tree.h (categorize_ctor_elements): Adjust prototype and add
3382 descriptive comment, both in accordance with the interface change
3384 * varasm.c (constructor_static_from_elts_p): New function.
3385 Whether a constructor node is a valid static constant initializer
3386 if all its elements are.
3387 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3388 * output.h: Declare it.
3389 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3390 is a valid constant initializer instead of computing the number of
3391 non-constant elements. Use constructor_static_from_elts_p for this
3392 purpose. Replace the head comment with an indication that this is a
3393 helper for categorize_ctor_elements.
3394 (categorize_ctor_elements): Same interface change as for the _1
3395 helper. Former head comment from this helper moved here, adjusted to
3396 account for the interface changes.
3397 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3398 (all_zeros_p): Likewise.
3399 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3400 static versions of the constructor from the categorize_ctor_elements
3401 return value instead of the formerly computed number of non-constant
3404 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3406 * configure: Regenerate.
3407 * Makefile.in (build_libsubdir): New configure substitution
3408 (build_libobjdir): New variable.
3409 (BUILD_LIBIBERTY): Use it.
3411 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3414 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3416 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3419 * c-common.c (handle_weakref_attribute): Ignore attribute in
3420 the same conditions the alias attribute is ignored.
3422 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3424 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3425 (dbxout_begin_prologue): Increment scope_labelno.
3427 2006-07-17 Richard Henderson <rth@redhat.com>
3430 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3433 2006-07-17 Roger Sayle <roger@eyesopen.com>
3434 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3436 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3437 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3438 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3439 functions such as sbrk, write, etc.. Add function prototypes.
3440 Convert function declarations from K&R to ISO C. Cast pointers
3441 to "long" and "unsigned long" instead of "int" and "unsigned int".
3442 Convert tokens following #endif into comments.
3444 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3446 * invoke.texi: Remove mention of f77; Reformat table for
3447 inline parameter options correctly; mention that -malign-double
3448 is default on x86-64 targets.
3450 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3452 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3453 (convert_affine_scev, chrec_convert_aggressive): Use
3454 avoid_arithmetics_in_type_p. Do not check for the subtypes
3457 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3460 * optabs.c (expand_doubleword_shift): Wrap the call to
3461 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3463 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3466 * optabs.c (expand_binop): Pass next_methods rather than methods
3467 to expand_doubleword_shift.
3469 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3472 * tree.h (dump_addr): Declare.
3473 * print-tree.c (dump_addr): New function.
3474 (print_node_brief, print_node): Use it.
3475 * print-rtl.c (print_rtx): Likewise.
3476 * common.opt (-fdump-noaddr): New option.
3477 * doc/invoke.texi (-fdump-noaddr): Document.
3478 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3479 (ve_info_hash): Likewise.
3481 2006-07-13 Andrew Haley <aph@redhat.com>
3483 PR tree-optimization/19505
3484 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3485 edge leaving this block, make sure that the destination of this
3486 block has only one predecessor.
3488 2006-07-17 Richard Guenther <rguenther@suse.de>
3490 PR tree-optimization/28238
3491 * tree-inline.c (copy_bb): Check if we produced valid
3492 gimple copying and substituting a stmt. If not, gimplify
3495 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3497 * optabs.c (maybe_encapsulate_block): New function extracted from...
3498 (emit_libcall_block): ...here. Invoke it on the block of insns to
3499 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3500 (emit_no_conflict_block): Likewise.
3502 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3504 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3506 2006-07-15 Roger Sayle <roger@eyesopen.com>
3508 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3509 a new NOP_EXPR case of the switch statement.
3511 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3514 * stor-layout.c (place_field): Take the bit field with
3515 an excessive size into account in the ms-bitfiled case.
3518 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3519 the previous bit field.
3521 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3524 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3526 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3528 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3529 signal frames correctly even when the signal was installed with
3532 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3534 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3535 (dbxout_function_end): Use local label LFBB. Remove hook
3537 (dbxout_source_line): Use local label LFBB.
3538 (dbxout_block): Likewise.
3539 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3540 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3541 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3542 and DBX_OUTPUT_NFUN.
3544 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3546 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3548 2006-07-13 Jan Hubicka <jh@suse.cz>
3550 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3552 * output.h (align_variable): Declare.
3553 * varasm.c (align_variable): Export.
3554 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3555 when basic block changed.
3557 2006-07-13 Nick Clifton <nickc@redhat.com>
3559 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3560 walking the LOG_LINKS chain.
3562 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3564 * doc/invoke.texi (C++ Dialect Options): Explain difference
3565 between -fvisibility-inlines-hidden and setting hidden
3566 visibility explicitly.
3568 2006-07-12 Eric Christopher <echristo@apple.com>
3570 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3571 (stmp-lipo): Depend on libgcc.a.
3573 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3575 * tree.c: Fix a comment typo.
3577 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3579 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3581 (umulhisi3_r): Likewise.
3583 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3586 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3587 x < 19, vs wchar_t support.
3589 2006-07-12 Nick Clifton <nickc@redhat.com>
3591 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3592 instead of -isa=sh4.
3594 2006-07-12 Mike Stump <mrs@apple.com>
3596 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3598 2006-07-10 Eric Christopher <echristo@apple.com>
3600 * config/t-slibgcc-darwin: Rewrite.
3602 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3605 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3608 2006-07-08 Matthias Klose <doko@debian.org>
3610 * doc/sourcebuild.texi: Fix typo.
3612 2006-07-07 Mike Stump <mrs@apple.com>
3614 * toplev.c (process_options): Don't give -ffunction-sections may
3615 affect debugging warning for Mach-O.
3617 2006-07-07 James E Wilson <wilson@specifix.com>
3619 * config/mips/mips.md (cpu): Add sb1a.
3620 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3621 addition to sb1. Adjust comments to clarify SB-1A differences from
3623 (ir_sb1a_load): New. Modify bypasses to use it.
3624 (ir_sb1a_simple_alu): Likewise.
3625 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3626 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3627 (mips_issue_rate): Add PROCESSOR_SB1A.
3628 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3629 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3630 (TARGET_SB1): Add PROCESSOR_SB1A check.
3631 (TUNE_SB1): Likewise.
3633 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3634 * config/mips/mips.c (mips_store_data_bypass_p): New.
3635 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3636 store_data_bypass_p.
3638 2006-07-08 Paul Brook <paul@codesourcery.com>
3641 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3643 2006-07-07 Richard Guenther <rguenther@suse.de>
3646 * tree.h (build_one_cst): Declare.
3647 * tree.c (build_one_cst): New function.
3648 * tree-ssa-math-opts.c (get_constant_one): Remove.
3649 (insert_reciprocals): Use build_one_cst.
3650 * fold-const.c (fold_plusminus_mult): Likewise.
3652 2006-07-07 Roger Sayle <roger@eyesopen.com>
3654 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3655 * cfgloopanal.c (dump_graph): Likewise.
3656 * dojump.c (discard_pending_stack_adjust): Likewise.
3657 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3659 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3660 * function.c (finalize_block_changes): Likewise.
3661 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3662 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3663 * rtl.c (dump_rtx_statistics): Likewise.
3664 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3666 * varray.c (dump_varray_statistics): Likewise.
3667 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3668 decode_decimal64, encode_decimal128, decode_decimal128,
3669 decimal_real_to_decimal): Likewise.
3671 2006-07-07 Richard Guenther <rguenther@suse.de>
3673 PR tree-optimization/28187
3674 * tree-vrp.c (vrp_operand_equal_p): New function.
3675 (vrp_bitmap_equal_p): Likewise.
3676 (update_value_range): Use them to compare old and new
3679 2006-07-06 Roger Sayle <roger@eyesopen.com>
3681 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3682 a default case to switch statement to silence compiler warnings.
3684 2006-07-06 Roger Sayle <roger@eyesopen.com>
3687 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3688 the configured assembler supports the x87's ffreep mnemonic.
3689 * configure: Regenerate.
3690 * config.in: Regenerate.
3692 * config/i386/i386.c (output_387_ffreep): New function.
3693 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3694 (output_387_reg_move): Likewise.
3696 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3698 Port to hosts whose 'sort' and 'tail' implementations
3699 treat operands with leading '+' as file names, as POSIX
3700 has required since 2001. However, make sure the code still
3701 works on pre-POSIX hosts.
3702 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3703 which says you should use "tail -c +N" rather than "tail +Nc".
3704 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3706 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3708 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3711 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3714 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3715 PRE_{INC,DEC} of TFmode.
3717 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3718 Alan Modra <amodra@bigpond.net.au>
3721 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3724 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3727 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3728 Remove duplicate gtu.
3730 2006-07-05 Jason Merrill <jason@redhat.com>
3734 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3735 * c-common.c (handle_packed_attribute): So don't copy it here.
3736 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3738 2006-07-05 Mike Stump <mrs@apple.com>
3740 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3742 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3745 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3747 2006-07-05 Richard Guenther <rguenther@suse.de>
3750 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3751 TARGET_SSE2 targets if using SSE math.
3752 (*absdf2_1): Likewise.
3754 2006-07-05 Richard Guenther <rguenther@suse.de>
3756 PR tree-optimization/28162
3757 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3758 make sure to convert the operands to the correct type.
3760 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3762 PR tree-optimization/28218
3764 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3765 to calculate and free the dominator information.
3767 2006-07-04 Peter O'Gorman <peter@pogma.com>
3769 * mklibgcc.in: chmod 644 before ranlib during install.
3771 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3772 J"orn Rennecke <joern.rennecke@st.com>
3774 * configure.ac (.eh_frame data check): Use diff -b.
3776 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3779 * Makefile.in (BUILD_RTL): Add build/vec.o.
3780 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3781 (build/genextract): Delete.
3782 (build/genautomata): Likewise.
3784 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3787 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3788 128-bit IBM long doubles for ABI_V4.
3790 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3792 * tree.c (range_in_array_bounds_p): New predicate.
3793 * tree.h (range_in_array_bounds_p): Declare it.
3794 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3795 return a less conservative answer.
3796 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3797 and flag 'is_group'.
3798 (IS_ELEMENT_FOR_GROUP): New macro.
3799 (FOR_EACH_ACTUAL_CHILD): Likewise.
3800 (next_child_for_group): New helper function.
3801 (can_completely_scalarize_p): Take into account groups.
3802 (sra_hash_tree): Handle RANGE_EXPR.
3803 (sra_elt_eq): Likewise.
3804 (lookup_element): Be prepared for handling groups.
3805 (is_valid_const_index): Delete.
3806 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3807 instead of is_valid_const_index.
3808 <ARRAY_RANGE_REF>: New case.
3809 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3810 is_valid_const_index.
3811 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3812 (scan_dump): Dump info for groups too.
3813 (decide_instantiation_1): Likewise.
3814 (decide_block_copy): Assert that the element is not a group.
3815 Propagate decision to groups.
3816 (generate_one_element_ref): Handle RANGE_EXPR.
3817 (mark_no_warning): Iterate over actual childs.
3818 (generate_copy_inout): Likewise.
3819 (generate_element_copy): Likewise.
3820 (generate_element_zero): Likewise.
3821 (generate_element_init_1): Likewise.
3822 (dump_sra_elt_name): Handle RANGE_EXPR.
3824 2006-07-03 Roger Sayle <roger@eyesopen.com>
3826 PR tree-optimization/26251
3827 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3828 (thread_block): When optimizing for size refuse to thread jumps
3829 that would require duplication of blocks other than redirection
3832 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3834 * configure.ac: Fix thinko in previous check-in.
3835 * configure: Regenerate.
3837 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3840 * configure.ac (for lang...): Simplify nesting of conditionals.
3841 Test subdir_requires for non-enabled languages. Move processing
3842 of lang_opt_files and lang_tree_fiels below that test.
3843 * configure: Regenerate.
3844 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3846 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3848 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3850 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3852 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3855 2006-06-29 Jason Merrill <jason@redhat.com>
3862 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3863 * c-common.c (c_determine_visibility): Handle it here.
3864 * c-decl.c (finish_decl): Call c_determine_visibility for
3866 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3868 * varasm.c (default_assemble_visibility): Likewise.
3869 * c-common.c (handle_visibility_attribute): Complain about trying
3870 to give visibility to an already defined class, or trying to change
3871 declared visibility. Always attach the attribute.
3876 * attribs.c (decl_attributes): Ignore type-in-place attributes
3877 once the type has been defined.
3879 2006-06-29 Roger Sayle <roger@eyesopen.com>
3882 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3883 to indicate the cpplib has issued an error message for us.
3885 2006-06-29 Asher Langton <langton2@llnl.gov>
3888 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3889 insert a label at the end of an function under Mach-O.
3891 2006-06-29 Eric Christopher <echristo@apple.com>
3892 Evan Cheng <evan.cheng@apple.com>
3894 * predicates.md (vector_all_ones_operand): New.
3895 (nonimmediate_or_sse_const_operand): Ditto.
3896 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3897 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3898 (standard_sse_mode_p): Ditto.
3899 (standard_sse_constant_p): Add case for -1 vector.
3900 (ix86_expand_vector_move): Try to use.
3901 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3902 Call standard_sse_constant_opcode.
3903 (*movv4sf_internal): Ditto.
3904 (*movv2df_internal): Ditto.
3906 2006-06-29 Roger Sayle <roger@eyesopen.com>
3908 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3909 of XEXP to extract the operands of a MATCH_CODE rtx.
3911 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3913 * tree.c (tree_size): Do not waste tail padding in
3914 struct tree_string and make the size be the same as
3915 build_string will generate.
3917 2006-06-28 Jason Merrill <jason@redhat.com>
3920 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3921 may_aliases already in the tag's annotations to the bitmap.
3923 2006-06-28 Roger Sayle <roger@eyesopen.com>
3925 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3927 2006-06-28 Roger Sayle <roger@eyesopen.com>
3929 * genpreds.c (generate_switch_p): New function.
3930 (add_mode_tests): Push the new mode test down inside an AND expr
3931 if this allows the switch-suitable MATCH_CODE to be near the root.
3932 (write_match_code_switch): New function to write a MATCH_CODE as
3934 (write_predicate_stmts): New function to write a predicate RTX
3935 expression as a sequence of statements.
3936 (write_one_predicate_function): Use write_predicate_stmts.
3937 (write_tm_constrs_h): Likewise.
3939 2006-06-26 Fred Fish <fnf@specifix.com>
3941 * config/mips/t-sb1: New file.
3942 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3945 2006-06-26 DJ Delorie <dj@redhat.com>
3947 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3949 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3950 Jayant Sonar <jayants@kpitcummins.com>
3951 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3953 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3954 (subsi3, subsi3_1, subsi3_2): New.
3955 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3956 * config/m32c/mov.md (SI mov peephole): New.
3957 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3958 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3960 2006-06-26 Olivier Hainque <hainque@adacore.com>
3962 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3963 a CALL_EXPR target function declaration.
3965 2006-06-26 Richard Guenther <rguenther@suse.de>
3967 * tree.c (build_string): Do not waste tail padding in
3970 2006-06-26 Richard Guenther <rguenther@suse.de>
3972 * ggc-page.c (init_ggc): Add missing element to size_lookup
3976 2006-06-23 Richard Guenther <rguenther@suse.de>
3978 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3979 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3980 alignment requests instead. Add verification code.
3981 Add struct tree_function_decl and struct tree_binfo size to
3982 extra_order_size_table. Add missing element to size_lookup
3985 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3988 * fold-const.c (const_binop): Be prepared for self returning zero.
3989 Simplify code handling complex values.
3991 2006-06-24 Olivier Hainque <hainque@adacore.com>
3993 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3994 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3997 2006-06-24 Olivier Hainque <hainque@adacore.com>
3999 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4000 ARRAY_REF, so have the callback called for the low bound expression.
4002 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4004 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4005 * c-typeck.c (c_common_type): Disallow operations on decimal float
4006 types and other float types.
4007 * convert.c (convert_to_real): Don't ignore conversions involving
4008 decimal float types.
4010 2006-06-23 Olivier Hainque <hainque@adacore.com>
4012 * tree.c (max_int_size_in_bytes): New function, inspired from
4013 code in function.c:assign_temp.
4014 * tree.h (max_int_size_in_bytes): Declare.
4015 * function.c (assign_temp): Use it.
4016 * gimplify.c (create_tmp_var): Relax the assertions on the type
4017 properties, not mandating constant size any more.
4018 (force_constant_size): New static function.
4019 (gimple_add_tmp_var): Use it, forcing variable size to a
4020 constant upper bound if it is not constant on entry.
4022 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4025 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4026 for initialization and setting of one_only flag to ...
4027 (i386_pe_encode_section_info): ...here.
4028 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4029 Recheck that the symbol has not been defined.
4031 2006-06-23 Richard Guenther <rguenther@suse.de>
4033 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4034 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4035 alignment requests instead. Add verification code.
4036 Add struct tree_function_decl and struct tree_binfo size to
4037 extra_order_size_table. Add missing element to size_lookup
4040 2006-06-22 Roger Sayle <roger@eyesopen.com>
4041 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4044 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4045 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4047 2006-06-23 Ben Elliston <bje@au.ibm.com>
4049 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4050 negate dn -- manipulate it directly.
4052 2006-06-22 Roger Sayle <roger@eyesopen.com>
4053 Steven Bosscher <stevenb.gcc@gmail.com>
4056 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4057 generated by gen_move_insn to add REG_LABEL notes if necessary.
4059 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4061 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4062 (leaf_entry): Remove use of MIN_ESA.
4064 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4066 PR rtl-optimization/28121
4067 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4070 2006-06-21 DJ Delorie <dj@redhat.com>
4072 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4074 (mulhisi3_r): Likewise.
4076 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4079 * coverage.c (coverage_counter_alloc): Leave the index type
4081 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4084 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4086 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4087 section from the "Options for Code Generation Conventions".
4089 2006-06-21 Richard Henderson <rth@redhat.com>
4093 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4095 (global_symbolic_operand): Allow weak symbols, even if local_p.
4097 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4099 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4100 (find_interesting_uses_address): Punt if above function returns true.
4102 2006-06-21 Richard Guenther <rguenther@suse.de>
4104 * configure: Regenerated.
4106 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4108 * config/mips/mips.c (function_arg): Where one part of a
4109 complex argument is in registers and the other part in the stack,
4110 return a REG not a PARALLEL.
4112 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4114 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4115 when cross-compiling. Do not substitute libstdcxx_incdir.
4116 * configure: Regenerated.
4118 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4120 * varasm.c (mergeable_string_section): Check for embedded NULs and
4121 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4122 rather than TREE_STRING_LENGTH bytes.
4124 2006-06-21 Richard Guenther <rguenther@suse.de>
4126 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4127 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4130 2006-06-21 Richrad Guenther <rguenther@suse.de>
4132 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4133 Limit iteration over the dominators.
4135 2006-06-20 Roger Sayle <roger@eyesopen.com>
4137 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4138 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4140 2006-06-20 Richard Guenther <rguenther@suse.de>
4141 Michael Matz <matz@suse.de>
4143 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4145 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4146 * et-forest.h (et_free_pools): Prototype new function.
4147 * et-forest.c (et_free_tree_force): Free parent occurrence.
4148 (et_free_pools): New function.
4149 * dominance.c (free_dominance_info): Free et-forest alloc
4152 2006-06-20 Roger Sayle <roger@eyesopen.com>
4154 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4155 integer modes, attempt to directly construct an integer constant.
4157 * fold-const.c (native_encode_vector): Determine the size of each
4158 element from the vector type instead of the first vector element.
4160 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4161 if all of its elements/components are constant.
4162 (build_constructor_from_list): Likewise.
4164 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4166 PR tree-optimization/27331
4167 * tree-data-ref.c (free_data_ref): New function.
4168 (create_data_ref): Fail if the data reference has unknown access
4170 (free_data_refs): Use free_data_ref.
4172 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4175 * tree-inline.c (setup_one_parameter): Strip useless
4176 type conversion before adding it to the IR.
4177 (declare_return_variable): Likewise.
4179 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4182 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4184 2006-06-19 Mike Stump <mrs@apple.com>
4186 * tree.c (variably_modified_type_p): VM arguments don't make the
4189 2006-06-19 Richard Guenther <rguenther@suse.de>
4191 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4192 type conversions after folding.
4194 2006-06-19 Richard Guenther <rguenther@suse.de>
4196 * ggc-page.c (extra_order_size_tab): Add entries with
4197 size of struct function and basic_block.
4198 (size_lookup): Extend to cover sizes up to 511.
4199 (ggc_alloc_stat): Adjust user.
4200 (ggc_pch_count_object): Likewise.
4201 (ggc_pch_alloc_object): Likewise.
4202 (ggc_pch_write_object): Likewise.
4204 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4206 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4207 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4210 2006-06-19 Denis Chertykov <denisc@overta.ru>
4212 * config/avr/libgcc.S : Correct my wrong previous commit.
4214 2006-06-19 Roger Sayle <roger@eyesopen.com>
4217 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4218 have stripped a SUBREG from the shift count, so we may need to
4219 convert_to_mode back to the type's mode before calling make_tree.
4220 Use new_amount instead of amount to avoid expanding a tree twice.
4222 2006-06-19 Richard Guenther <rguenther@suse.de>
4225 * fold-const.c (operand_equal_p): Check if the argument types
4226 have the same precision before stripping NOPs.
4228 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4230 Fix PR tree-optimization/27341
4231 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4233 * tree-complex.c (pass_lower_complex): Update SMT usage.
4235 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4237 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4238 Add a new alternative to the constraint strings. Add move of
4239 operand 1 to 3 to the splitter definition.
4240 ("doloop_si_long"): Second contraint alternative removed.
4242 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4244 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4245 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4247 (AVR_HAVE_MOVW) Define.
4248 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4249 (ASM_SPEC): Add avr25.
4250 (LINK_SPEC): Add avr25.
4251 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4252 (base_arch_s): Add new member 'have_movw_lpmx'.
4253 (avr_arch_types): Init 'have_movw_lpmx'.
4254 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4255 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4256 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4257 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4258 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4260 (avr_file_start): Do not output '.arh' derective.
4261 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4262 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4263 * config/avr/avr.md (mcu_enhanced): Delete.
4264 (mcu_have_movw): Define.
4265 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4266 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4267 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4268 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4269 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4270 attiny861 and at86rf401 devices.
4272 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4274 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4277 2006-06-17 Karl Berry <karl@gnu.org>
4279 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4280 doc/gccint.texi, doc/install.texi (@dircategory): Use
4281 "Software development" instead of "Programming", following
4282 the Free Software Directory.
4284 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4286 * config/i386/i386.c (legitimate_tls_address)
4287 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4288 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4289 (*tls_dynamic_gnu2_combine_64): Likewise.
4291 2006-06-16 Richard Guenther <rguenther@suse.de>
4294 * fold-const.c (negate_expr_p): Do not introduce undefined
4295 overflow in negating INTEGER_CSTs.
4296 (fold_negate_expr): Rename from negate_expr. Revert last
4297 change for folding BIT_NOT_EXPR. Change semantics to
4298 return NULL_TREE for non-simplified negations. Do not
4299 strip type conversions and unify type handling.
4300 (negate_expr): New function, wrap around fold_negate_expr
4301 but ensure building a tree always. Strip type conversions
4302 here, fold to result type.
4303 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4305 2006-06-16 Roger Sayle <roger@eyesopen.com>
4308 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4309 that (would) return their results in stack registers.
4311 2006-06-16 Michael Matz <matz@suse.de>
4312 Richard Guenther <rguenther@suse.de>
4314 * fold-const.c (fold_truthop): Only return new tree node if
4315 we canonicalized something.
4317 2006-06-16 Richard Guenther <rguenther@suse.de>
4319 * function.h (enum function_frequency): Move declaration
4320 out of struct function.
4321 (struct function): Move bool fields and the enum to the bitfield
4322 section. Reorder elements to avoid padding. Remove unused
4323 fields left over from the RTL inliner removal.
4324 * function.c (free_after_compilation): Do not zero removed fields.
4325 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4326 (ipa-type-escape.o): Likewise.
4328 2006-06-16 Richard Guenther <rguenther@suse.de>
4330 * cgraph.h (struct cgraph_local_info): Turn bool elements
4332 (struct cgraph_node): Likewise.
4333 (struct cgraph_varpool_node): Likewise.
4335 2006-06-15 Richard Guenther <rguenther@suse.de>
4337 * fold-const.c (fold_truth_not_expr): Rename from
4338 invert_truthvalue. Give it fold_* semantics to avoid
4340 (invert_truthvalue): New function. Wrapper around
4341 fold_truth_not_expr.
4342 (optimize_minmax_comparison): Avoid creating garbage.
4343 (fold_unary): Use fold_truth_not_expr for folding
4345 (fold_ternary): Replace uses of invert_truthvalue with
4346 fold_truth_not_expr where applicable.
4347 * tree.h (fold_truth_not_expr): Prototype.
4349 2006-06-16 Richard Guenther <rguenther@suse.de>
4351 PR tree-optimization/27781
4352 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4353 * ipa-pure-const.c (target.h): Include.
4354 (analyze_function): Do not analyze functions that do not
4357 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4360 * tree-dfa.c (referenced_vars_dup_list): Remove.
4361 (find_referenced_vars): Remove assert.
4362 (referenced_var_check_and_insert): Replace dup list with assert.
4363 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4364 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4366 2006-06-15 Richard Guenther <rguenther@suse.de>
4368 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4369 extra unused identifiers if not dumping.
4370 (create_variable_info_for): Likewise.
4372 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4374 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4375 (derive_constant_upper_bound): Derive more precise upper bound in
4376 common cases. Return type changed to double_int.
4377 (record_estimate): Reflect the changed return type of
4378 derive_constant_upper_bound.
4379 * double-int.c (double_int_zext, double_int_sext): Fix.
4381 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4383 * configure.ac (CFLAGS): Get them from the toplevel or from the
4384 configure invocation.
4385 * configure: Regenerate.
4386 * Makefile.in (CFLAGS): Substitute value provided by configure.
4388 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4391 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4392 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4393 rather than calling add_stmt on it.
4394 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4396 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4399 * reload1.c (reload): Remove registers returned by update_eliminables
4400 from used_spill_regs.
4402 2006-06-13 DJ Delorie <dj@redhat.com>
4404 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4406 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4408 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4409 html__strip_dir, html__mkdir_p. Enhance install-html target.
4410 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4411 * configure: Regenerate.
4413 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4415 * fold-const.c (fold_cond_expr_with_comparison): Check for
4416 Objective-C++ as language in deciding COND_EXPR transformation.
4418 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4421 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4422 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4423 * config/sh/lib1funcs.h (SL, SL1): Define.
4424 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4425 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4426 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4427 (OBJS_Os_4_200): New variable.
4428 ($(T)libgcc-Os-4-200.a): Use it.
4429 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4430 when dividing 1 and/or by 0.
4432 2006-06-13 Roger Sayle <roger@eyesopen.com>
4434 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4435 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4436 * configure: Regenerate.
4438 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4440 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4441 for real instruction.
4443 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4446 * haifa-sched.c (check_cfg): Handle special case.
4448 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4451 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4452 Add debug_info parameter. Chain the vars to the BLOCK instead
4453 of the BIND_EXPR if debug info are requested for them.
4454 (pop_gimplify_context): Adjust for above change.
4455 (gimple_add_tmp_var): Likewise.
4456 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4458 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4459 (convert_local_reference): Likewise.
4460 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4461 (finalize_nesting_tree_1): Request that debug info be emitted
4462 for debug_var_chain.
4464 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4466 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4467 for PR target/27863.
4469 2006-06-13 Richard Guenther <rguenther@suse.de>
4472 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4474 2006-06-13 Richard Guenther <rguenther@suse.de>
4476 PR tree-optimization/27830
4477 * tree-inline.c (copy_body_r): For copying the operand
4478 of an ADDR_EXPR make sure to fold &* afterwards.
4480 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4482 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4483 lvalues in the fb_none case with side-effects.
4485 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4487 * tree-flow.h: Remove the prototype for
4488 compute_phi_arg_on_exit.
4489 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4490 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4493 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4495 * builtins.c (expand_builtin_return_addr): Only use
4496 frame_pointer_rtx when count == 0 and we are expanding
4497 __builtin_return_address.
4499 2006-06-12 Fred Fish <fnf@specifix.com>
4501 * config/mips/mips.c (mips_file_start): Create special section
4502 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4504 2006-06-11 Eric Christopher <echristo@apple.com>
4507 * stor-layout.c (place_field): Remove check for
4508 remaining_in_alignment when aligning at the end of a run.
4510 2006-06-11 Eric Christopher <echristo@apple.com>
4513 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4516 2006-06-11 Roger Sayle <roger@eyesopen.com>
4519 Revert incorrect fix for PR target/27158
4520 2006-05-08 Roger Sayle <roger@eyesopen.com>
4521 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4522 of a reg_equiv_constant if the result is a legitimate constant.
4524 2006-06-11 Roger Sayle <roger@eyesopen.com>
4527 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4528 extract a CONST_VECTOR element and interpret it as an integer.
4529 (vspltis_constant): Use const_vector_elt_as_int instead of the
4530 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4531 * config/rs6000/predicates.md (easy_vector_const): Consider
4532 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4534 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4537 * stor-layout.c (update_alignment_for_field): Don't add extra
4538 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4541 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4543 * config/mips/t-rtems: Add EL/EB multilib variants.
4545 2006-06-09 Mike Stump <mrs@apple.com>
4547 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4549 2006-06-09 David Daney <ddaney@avtrex.com>
4551 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4553 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4555 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4557 2006-06-09 Richard Guenther <rguenther@suse.de>
4559 PR tree-optimization/26998
4560 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4561 of signed types, only TYPE_MIN_VALUE is special, but for both,
4562 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4563 in this case, as is -fwrapv.
4565 2006-06-08 Mike Stump <mrs@apple.com>
4568 * config/darwin.c (darwin_asm_output_anchor): Disable
4569 -fsection-anchors on darwin for now.
4570 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4571 * rs6000/rs6000.c (optimization_options): Likewise.
4573 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4576 * config/i386/i386.c (classify_argument): Skip fields with invalid
4579 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4581 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4582 (cse_insn): Likewise for the stack_pointer_rtx.
4584 2006-06-08 Roger Sayle <roger@eyesopen.com>
4586 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4587 conditions from floating point comparisons.
4589 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4592 * expmed.c (struct alg_hash_entry): Fix type of field T
4593 to match synth_mult argument.
4594 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4596 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4599 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4602 2006-06-08 Richard Guenther <rguenther@suse.de>
4605 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4606 only, if overflow is defined and not trapping.
4607 (negate_expr): Likewise.
4609 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4611 PR tree-optimization/27872
4612 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4613 flag on the new exit edge of the unrolled loop.
4615 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4617 PR rtl-optimization/26449
4618 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4620 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4623 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4624 referenced_variables with matching DECL_UID's.
4625 (find_referenced_vars): Make sure duplicate list is empty to start.
4626 (referenced_var_p): Remove.
4627 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4628 Check if var is in the list, and add if needed. Update the duplicate
4629 list if a different var is in the list with the same DECL_UID.
4630 (add_referenced_var): Call routine to check and insert.
4631 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4632 * tree-flow.h (referenced_vars_dup_list): External declaration.
4634 2006-06-07 Fred Fish <fnf@specifix.com>
4636 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4639 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4642 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4643 the imaginary and real parts of a clobbered register.
4644 Emit insn to set the imaginary part.
4646 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4648 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4649 in lieu of unwind-dw2-fde.c.
4651 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4653 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4655 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4658 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4659 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4660 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4661 V4SImode temporaries and operations instead.
4663 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4665 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4668 2006-06-06 Mike Stump <mrs@apple.com>
4670 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4671 installing during build.
4673 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4675 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4677 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4678 * config/ia64/ia64.c (params.h): New header.
4679 (ia64_optimization_options): New function to adjust parameters.
4680 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4681 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4682 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4684 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4686 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4688 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4691 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4693 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4694 Victor Kaplansky <victork@il.ibm.com>
4696 PR tree-optimization/26360
4697 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4700 2006-06-04 Roger Sayle <roger@eyesopen.com>
4701 Andrew Pinski <pinskia@physics.uc.edu>
4704 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4705 for LABEL_DECL before calling DECL_WEAK.
4708 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4709 LABEL_DECL and PARM_DECL.
4711 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4715 * c-decl.c (grokdeclarator): Disallow variably modified types at
4716 file scope. Avoid marking shared array type of constant size as
4719 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4722 * c-common.c (fold_offsetof_1): Handle static members.
4724 2006-06-04 Eric Christopher <echristo@apple.com>
4726 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4727 (debug_rli): Output value for remaining_in_alignment.
4728 (update_alignment_for_field): Unconditionalize
4729 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4730 extra alignment code.
4731 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4732 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4733 * tree.h (record_layout_info_s): Remove prev_packed.
4734 * doc/extend.texi (ms_struct): Add documentation of format.
4736 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4738 * tree.h: Declare folding_initializer.
4739 * builtins.c (fold_builtin_constant_p): Give definite answer
4740 if folding inside an initializer.
4741 * fold-const.c: Define folding_initializer.
4742 (START_FOLD_INIT): Save and then set folding_initializer.
4743 (END_FOLD_INIT): Restore folding_initializer.
4745 2006-06-04 Richard Guenther <rguenther@suse.de>
4747 PR tree-optimization/27039
4748 * fold-const.c (fold_comparison): Handle pointer comparison
4749 again for all comparison codes. Compare offsets in signed
4751 (fold_binary): Move code from here.
4753 2006-06-03 Roger Sayle <roger@eyesopen.com>
4756 * config/i386/i386.c (construct_container): Split static issued_error
4757 flag into issued_sse_arg_error, issued_sse_ret_error and
4758 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4759 requires the use of x87 registers and the user explicitly
4760 specified the -mno-80387 command line option.
4762 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4764 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4765 HAVE_DECL_SIGALTSTACK.
4767 (segv_handler): Use MC_FLD.
4768 * configure.ac: Check for a sigaltstack declaration.
4769 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4770 * configure: Regenerate.
4771 * config.in: Regenerate.
4773 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4776 * Makefile.in (stmp-fixinc): Fix typo.
4778 2006-06-02 Roger Sayle <roger@eyesopen.com>
4780 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4781 are type correct. Clean-up.
4782 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4783 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4785 2006-06-01 DJ Delorie <dj@redhat.com>
4787 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4788 shift, as we've disabled the "switch" insn that needs it.
4790 2006-06-01 Per Bothner <bothner@bothner.com>
4792 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4793 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4794 * c-ppoutput.c (cb_define): Don't increment line 0.
4796 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4798 * doc/invoke.texi: Add cpu_type power6.
4799 * config.gcc: Add cpu_type power6.
4800 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4801 to power5+ with Altivec.
4802 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4803 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4805 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4807 * config/avr/avr.h (SET_ASM_OP): Define.
4809 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4811 * config/bfin/bfin.c: Fix comment typos.
4813 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4816 * doc/install.texi: Document --enable-bootstrap and
4817 --disable-bootstrap.
4819 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4821 * doc/install.texi: Document that InfoZIP can replace jar.
4823 2006-05-31 Roger Sayle <roger@eyesopen.com>
4825 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4826 isn't available, directly generate the simpler x87 patterns without
4827 the (use (const_int 0)).
4828 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4829 implementation isn't available.
4830 (*negdf2_1): Likewise.
4831 (*negxf2_1): XF mode negation is always done using the x87.
4832 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4834 2006-05-31 Roger Sayle <roger@eyesopen.com>
4836 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4837 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4839 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4841 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4843 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4844 * config/bfin/bfin.c (basic-block.h): Include.
4845 (struct machine_function): New.
4846 (bfin_init_machine_status): New.
4847 (override_options): Initialize init_machine_status.
4848 (bfin_hardware_loop): New.
4849 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4850 (DEF_VEC_P (loop_info)): New.
4851 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4852 (struct loop_info): New.
4853 (loop_info): New typedef.
4854 (struct loop_work): New.
4855 (loop_work): New typedef.
4856 (DEF_VEC_O (loop_work)): New.
4857 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4858 (bfin_dump_loops): New.
4859 (bfin_bb_in_loop): New.
4860 (bfin_scan_loop): New.
4861 (bfin_optimize_loop): New.
4862 (bfin_reorg_loops): New.
4863 (bfin_reorg): Use bfin_reorg_loops.
4864 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4866 (I_REGNO_P): Simplify.
4867 (DP_REGNO_P, DPREG_P): New macros.
4868 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4869 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4870 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4871 Add LT_REGS, LC_REGS, LB_REGS.
4872 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4874 (REGNO_REG_CLASS): Deal with loop registers.
4875 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4877 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4878 New constants for loop registers.
4879 (UNSPEC_LSETUP_END): New.
4880 (seq_insns): New define_attr. Set it for appropriate insns.
4881 (movsi_insn): Add alternatives for move from/to
4882 loop count registers.
4883 (doloop_end): New define_expand.
4884 (loop_end): New define_insn.
4885 (define_split for bad doloop_end): New.
4886 (lsetup_with_autoinit): New define_insn.
4887 (lsetup_without_autoinit): New define_insn.
4888 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4889 * config/bfin/predicates.md (lc_register_operand): New.
4890 (lt_register_operand): New.
4891 (lb_register_operand): New.
4892 (nondp_register_operand): New.
4893 (nondp_reg_or_memory_operand): New.
4894 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4896 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4898 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4899 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4901 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4903 * Makefile.in (CATALOGS): Add po/ prefix.
4904 * configure: Regenerated.
4906 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4909 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4910 a shift operand before calling shift_op. Avoid redundant call of
4913 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4914 DJ Delorie <dj@redhat.com>
4916 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4917 we're inserting is a singlt-bit constant.
4919 2006-05-30 Roger Sayle <roger@eyesopen.com>
4921 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4922 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4924 2006-05-30 Roger Sayle <roger@eyesopen.com>
4926 PR tree-optimization/23452
4927 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4928 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4929 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4930 complex values and with -ffast-math for FP complex values.
4932 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4934 * c-common.h: Remove the prototype for yyparse.
4935 * rtl.h: Remove the prototype for init_loop.
4937 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4939 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4942 2006-05-30 Roger Sayle <roger@eyesopen.com>
4944 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4946 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4947 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4949 2006-05-30 Dirk Mueller <dmueller@suse.de>
4952 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4953 for CONSTANT_CLASS_P expresisons.
4955 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4958 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4960 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4962 PR tree-optimization/27779
4963 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4964 initial_condition instead of CHREC_LEFT.
4966 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4968 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4969 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4970 Make prototypes ISO C90.
4972 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4973 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4975 * see.c (see_analyze_one_def): Correct check.
4976 (see_get_extension_data): Check if extension is parallel.
4977 (see_get_extension_reg): Likewise.
4979 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4982 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4983 into register for (code == GTU).
4985 2006-05-29 Roger Sayle <roger@eyesopen.com>
4987 PR tree-optimization/24964
4988 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4989 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4990 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4991 abs(x)*abs(x) as x*x for scalar floating point modes.
4993 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4996 * lambda-code.c (perfect_nestify): Don't copy statements
4997 in the inner loop: move them to the inner loop header.
4999 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5002 * c-tree.texi: Document OpenMP directives and clauses.
5004 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5006 * varasm.c (globalize_decl): Fix indentation.
5008 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5011 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5012 pass_fre, pass_store_ccp, pass_copy_prop,
5013 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5014 pass_return_slot, pass_object_size, pass_lim,
5015 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5016 pass_loop_prefetch and pass_stdarg.
5018 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5020 * config/bfin/bfin.opt (mfdpic): New option.
5021 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5022 (EXTRA_MULTILIB_PARTS): Likewise.
5023 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5024 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5026 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5027 (CRT_CALL_STATIC_FUNCTION): New.
5028 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5030 (CRT_CALL_STATIC_FUNCTION): New.
5031 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5033 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5034 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5035 (initialize_trampoline): Changed to handle FD-PIC code generation.
5036 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5037 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5038 (override_options): Disallow -mid-shared-library -mfdpic combination.
5039 Can't do unaligned ops if FD-PIC.
5040 Turn off flag_pic if trying to generate non-id-shared-library
5041 non-fdpic code, since it's not supported.
5042 (bfin_assemble_integer): New function.
5043 (TARGET_ASM_INTEGER): Define.
5044 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5046 * config/bfin/crtn.s: Restore them.
5047 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5049 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5050 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5051 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5052 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5053 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5055 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5056 FDPIC_REGS and FDPIC_FPTR_REGS.
5057 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5058 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5059 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5060 (load_funcdescsi): New pattern.
5061 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5062 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5063 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5065 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5067 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5070 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5072 * tree-flow.h: Remove the prototype for add_type_alias.
5073 * tree-ssa-alias.c (add_type_alias): Remove.
5075 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5077 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5078 config/fr30/fr30.md, config/i386/i386-interix.h,
5079 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5080 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5081 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5082 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5083 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5084 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5085 Follow spelling conventions.
5086 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5087 Follow spelling conventions.
5089 2006-05-27 Richard Guenther <rguenther@suse.de>
5092 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5093 to produce a constant of value 1 of generic type.
5095 2006-05-27 Dirk Mueller <dmueller@suse.de>
5097 * cgraphunit.c (decide_is_function_needed): Fix wrong
5100 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5102 PR rtl-optimization/27661
5103 * reload.c (find_reloads): When reloading a VOIDmode constant
5104 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5105 use Pmode as mode of the reload register.
5107 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5109 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5110 is enabled at -O and above.
5112 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5115 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5118 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5121 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5122 for anonymous variables explicitly declared by front ends.
5124 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5126 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5127 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5128 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5129 ref-all pointers, run a finalization pass for them.
5130 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5131 (finalize_ref_all_pointers): New function.
5132 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5133 regular pointer type to a ref-all pointer type.
5134 (get_tmt_for): Return the special memory tag for ref-all pointers.
5136 2006-05-25 Richard Guenther <rguenther@suse.de>
5139 * fold-const.c (fold_binary): Do not look at the stripped
5140 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5142 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5144 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5145 for LT and GT if the computed range is effectively empty.
5147 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5150 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5151 mips_quad_format formats instead of ieee_single_format,
5152 ieee_double_format and ieee_quad_format formats, respectively.
5154 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5156 PR tree-optimization/27639
5157 PR tree-optimization/26719
5158 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5159 call to scev_probably_wraps_p.
5160 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5161 used_in_pointer_arithmetic_p, convert_step): Removed.
5162 (nowrap_type_p): New function.
5163 (scev_probably_wraps_p): Rewritten.
5164 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5165 chrec_convert if chrec_convert_aggressive might have been used.
5166 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5167 scev_direction): New functions.
5168 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5169 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5170 instead of convert_step.
5171 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5172 (convert_step): Declaration removed.
5173 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5175 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5177 * df-core.c: Added to header comments.
5178 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5179 df_ur_bb_info, df_urec_bb_info): Added comments.
5180 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5181 urec, ri problems): Fixed header comments.
5182 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5183 code from df_rd_transfer_function.
5185 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5187 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5188 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5189 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5191 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5193 * expr.c (undefined_operand_subword_p): New.
5194 (emit_move_multi_word): Do not generate move from undefined bits
5195 of a paradoxical subreg.
5197 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5199 PR rtl-optimization/27736
5200 * combine.c (replaced_rhs_value): New variable.
5201 (combine_instructions): Set it.
5202 (distribute_notes): When distributing a note in replaced_rhs_insn,
5203 check whether the value was used in replaced_rhs_value.
5205 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5208 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5209 add_referenced_var instead of add_referenced_tmp_var.
5210 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5211 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5213 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5214 tree_optimize_tail_calls_1): Use add_referenced_var.
5215 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5216 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5217 Use add_referenced_var.
5218 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5219 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5220 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5221 Use add_referenced_var.
5222 * tree-dfa.c (struct walk_state): Remove.
5223 (find_referenced_vars): Remove walk state and vars_found hash table.
5224 (make_rename_temp): Use add_referenced_var.
5225 (find_vars_r): Pass less parameters to add_referenced_var.
5226 (referenced_var_p): New. Is var in referenced_var hash table.
5227 (referenced_var_insert): Assert var isn't already in hash table.
5228 (add_referenced_var): Don't need walk_state parameter. Add var if it
5229 isn't already in the hash table.
5230 (add_referenced_tmp_var): Remove.
5231 (find_new_referenced_vars_1): Use add_referenced_var.
5232 * tree-ssa-pre.c (create_expression_by_pieces,
5233 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5234 Use add_referenced_var.
5235 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5236 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5237 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5239 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5240 vect_create_data_ref_ptr, vect_create_destination_var,
5241 vect_init_vector, vect_build_loop_niters,
5242 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5243 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5244 Use add_referenced_var.
5245 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5246 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5247 (add_referenced_var): Add prototype.
5248 * tree-ssa-structalias.c (get_constraint_for,
5249 intra_create_variable_infos): Use add_referenced_var.
5251 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5253 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5254 big-endian paradoxical subregs.
5255 * var-tracking.c (struct micro_operation_def): Document that,
5256 for modify micro operations, insn is the subsequent instruction.
5257 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5258 (var_reg_set, var_mem_set): ... new functions.
5259 (add_stores): Record subsequent insn.
5260 (compute_bb_dataflow): Use new functions for MO_USE.
5261 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5262 notes after the insn, and modify notes before the insn known
5263 to be the subsequent one.
5264 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5266 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5269 * config/i386/i386.c (ix86_expand_builtin): Use
5270 gen_sse3_monitor64 for TARGET_64BIT.
5272 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5274 PR rtl-optimization/26375
5275 PR rtl-optimization/26855
5276 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5278 (df_ru_bb_local_compute): Reversed statements and removed bogus
5279 comment explaining why they should be in wrong order.
5280 (df_ru_dump, df_rd_dump): Enhanced debug info.
5281 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5283 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5284 reaching uses and fixed space problem.
5286 2006-05-23 Jan Hubicka <jh@suse.cz>
5288 * cgraphunit.c (decide_is_function_needed): Also nested functions
5289 and functions declared inline can be optimized out at -O0.
5291 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5293 * doc/install.texi (Configuration): Remove reference to CrossGCC
5297 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5300 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5301 ix86_compare_emitted is non-NULL.
5303 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5306 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5309 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5311 PR rtl-optimization/25514
5312 * combine.c (replaced_rhs_insn): New variable.
5313 (combine_instructions): Set replaced_rhs_insn when trying to replace
5314 a SET_SRC with a REG_EQUAL note.
5315 (distribute_notes): Use replaced_rhs_insn when determining the live
5316 range of a REG_DEAD register.
5318 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5319 Anatoly Sokolov <aesok@post.ru>
5321 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5322 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5323 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5324 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5325 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5326 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5327 at90usb647, at90usb1286 and at90usb1287 devices.
5328 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5329 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5331 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5333 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5335 2006-05-22 Richard Guenther <rguenther@suse.de>
5338 2006-01-31 Richard Guenther <rguenther@suse.de>
5339 Paolo Bonzini <bonzini@gnu.org>
5341 * doc/install.texi (--disable-libgcc-math): Document.
5343 2006-05-22 Richard Guenther <rguenther@suse.de>
5346 2006-01-31 Richard Guenther <rguenther@suse.de>
5348 * doc/invoke.texi (-msselibm): Document.
5349 * target.h (expand_library_builtin): New target hook.
5350 * builtins.c (expand_builtin): Use expand_library_builtin.
5351 (default_expand_library_builtin): New function.
5352 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5353 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5354 (link_gcc_math_spec): Declare.
5355 (static_specs): Add link_gcc_math_spec.
5356 * expr.h (default_expand_library_builtin): Declare.
5357 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5358 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5359 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5360 * config/i386/i386.opt (msselibm): New target option.
5361 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5362 (ix86_init_sse_abi_builtins): New function.
5363 (ix86_expand_library_builtin): Likewise.
5364 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5365 (override_options): Handle error conditions wrt -msselibm.
5366 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5367 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5368 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5371 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5374 * c-common.c (self_promoting_args_p): Skip erroneous args.
5377 * c-decl.c (finish_struct): Skip erroneous fields.
5379 2006-05-22 Nick Clifton <nickc@redhat.com>
5381 * config/cris/cris.opt (march): Remove VarExists attribute.
5382 (max-stackframe=): Likewise.
5384 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5386 * doc/rtl.texi: Fix a typo.
5387 * see.c: Fix comment typos.
5389 * tree-ssa-structalias.h (alias_info): Remove num_references.
5391 2006-05-21 Mike Stump <mrs@apple.com>
5393 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5395 (darwin_pragma_options): Use BAD instead.
5396 (darwin_pragma_unused): Likewise.
5397 (darwin_pragma_ms_struct): Likewise.
5399 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5401 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5403 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5405 PR rtl-optimization/27671
5406 * simplify-rtx.c (simplify_relational_operation_1): Fix
5407 simplifications of (eq/ne (xor x y) y) and
5408 (eq/ne (xor x y) x).
5410 PR tree-optimization/26622.
5411 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5414 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5416 * tree-cfg.c: Prune whitespace.
5417 (debug_tree_cfg): Point to correct header containing the
5420 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5423 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5425 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5428 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5429 or sorry count is non zero.
5431 2006-05-20 Andreas Schwab <schwab@suse.de>
5433 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5435 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5436 Kenneth Zadeck <zadeck@naturalbridge.com>
5438 PR rtl-optimization/26855
5440 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5442 (df_scan_alloc): Added code to properly handle multiword hard
5443 registers and add all_blocks parameter.
5444 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5445 code to properly handle multiword hard registers.
5446 (df_rescan_blocks): Added code to remove deleted blocks from
5448 (df_ref_create_structure, df_ref_record): Added code to properly
5450 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5451 and set DF_REF_PARTIAL.
5452 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5453 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5454 (df_scan_add_problem): Added flags parameter.
5455 (df_ref_create_structure): Changed switching structure.
5456 (df_bb_refs_record): Fixed case where duplicate artificial refs
5457 were created. Changed location of flags.
5458 (df_record_entry_block_defs): Added code to make stack pointer
5459 live in entry block. Refined cases where frame pointer is needed.
5460 Changed location of flags.
5461 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5462 (df_set_state): Removed function.
5463 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5464 df_insn_create_insn_record, df_insn_refs_delete,
5465 df_ref_create_structure): Formatting changes.
5466 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5467 df_delete_basic_block): New function.
5468 (df_init): Changed location of flags.
5469 (df_add_problem): Added flags parameter and the way flags are
5471 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5472 debug_df_chain): Improved debugging output.
5473 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5474 (df_refs_chain_dump): Removed df parameter.
5475 (df_iterative_dataflow): Added consistency check.
5476 (df_prune_to_subcfg): Made public.
5477 (df_analyze_problem): Added blocks_to_init parameter and made
5479 (df_ref_record, df_bb_refs_record, df_mark_reg,
5480 df_record_exit_block_uses): Whitespace changes.
5481 (df_dump): Whitespace changes.
5482 * df.h: Some reordering to remove forward references.
5483 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5484 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5485 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5486 (dataflow.flags): New field.
5487 (df.flag): Deleted field.
5488 (df_alloc_function): Added additional bitmap parameter.
5489 (df_dependent_problem_function): New type.
5490 (df_problem.changeable_flags): New field.
5491 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5492 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5493 (df_mw_hardreg): New struct.
5494 (DF_INSN_UID_MWS): New macro.
5495 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5497 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5498 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5499 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5500 (df_set_state): Removed function.
5501 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5502 * df-problems.c (df_chain_dump): Removed df parameter.
5503 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5504 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5506 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5507 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5508 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5509 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5510 DF_REF_MUST_CLOBBER cases.
5511 (df_ru_bb_local_compute_process_def,
5512 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5513 df_lr_bb_local_compute, df_ur_bb_local_compute,
5514 df_chain_create_bb): Made subreg aware.
5515 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5516 df_lr_bb_local_compute, df_lr_bb_local_compute,
5517 df_chain_create_bb): Cleanup to use proper macros.
5518 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5519 code to fixup bitvectors.
5520 (df_ri_alloc): Cleared lifetime.
5521 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5522 df_create_unused_note): New function.
5523 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5524 REG_DEAD and REG_UNUSED notes as well as register information.
5525 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5526 df_chains_dump): Fixed crash if problem was never run.
5527 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5528 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5529 df_ri_add_problem): Processes flags in uniform manner.
5530 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5531 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5532 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5533 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5534 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5535 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5536 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5537 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5538 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5539 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5540 * see.c (see_initialize_data): Ditto.
5541 * final.c (rest_of_clean_state) Added regstack_completed.
5542 * rtl.h (regstack_completed): Ditto.
5543 * reg-stack.c (regstack_completed): Ditto.
5545 2006-05-19 Mike Stump <mrs@apple.com>
5547 * c-tree.h (default_conversion): Remove.
5548 * c-common.h (default_conversion): Add.
5550 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5552 * tree-vrp.c (valid_value_p): New function.
5553 (adjust_range_with_scev): Fail if the value of bound is not
5556 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5558 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5559 (mips_fallback_frame_state): Use syscall numbers to determine
5560 the appropriate li instruction for the current ABI. Only use
5561 __NR_sigreturn for o32.
5563 2006-05-19 Nicolas Setton <setton@adacore.com>
5565 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5566 * langhooks.c (lhd_dwarf_name): New function.
5567 * langhooks-def.h (lhd_dwarf_name): Declare.
5568 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5569 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5570 * ada/misc.c (gnat_dwarf_name): New function.
5571 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5573 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5575 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5577 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5578 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5579 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5580 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5581 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5582 determine the size of Wtype, etc.
5583 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5584 (swfloatfuncs): New variable.
5585 (dwfloatfuncs): Likewise.
5586 (lib2funcs): Remove floating-point conversion functions from
5587 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5588 the set of conversion routines needed. Allow entries to specify
5589 an object name, filename and word size. Update users accordingly.
5590 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5591 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5595 2006-02-08 Roger Sayle <roger@eyesopen.com>
5598 * config/fixtfdi.c: New libgcc source file.
5599 * config/fixunstfdi.c: New source file.
5600 * config/floatditf.c: New source file.
5601 * config/floatunditf.c: New souce file.
5602 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5603 files above instead of config/mips/_tilib.c.
5604 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5606 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5608 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5609 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5611 2006-05-18 Mike Stump <mrs@apple.com>
5613 Fix up vla, vm and [*] sematics.
5619 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5620 (c_vla_unspec_p): Add.
5621 (c_vla_type_p): Add.
5622 * c-decl.c (struct c_scope): Add had_vla_unspec.
5623 (build_array_declarator): Add support for [*].
5624 (grokdeclarator): Likewise.
5625 (grokparms): Likewise.
5626 (get_parm_info): Likewise.
5627 * c-objc-common.c (c_vla_unspec_p): Likewise.
5628 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5629 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5630 typeof when argument is a variably modified type not inside sizeof or alignof.
5631 (c_parser_direct_declarator_inner): Propagate errors.
5632 (c_parser_sizeof_expression): Add support for [*].
5633 (c_parser_parms_declarator): Initialize had_vla_unspec.
5634 (c_parser_parms_list_declarator): Likewise.
5635 * c-typeck.c (c_vla_type_p): Add.
5636 (composite_type): Add support for vla compositing.
5637 (comptypes_internal): Add support for vla compatibility.
5638 (c_expr_sizeof_expr): Evaluate vla arguments.
5639 * tree.c (variably_modified_type_p): Update comment for [*].
5641 2006-05-18 Michael Matz <matz@suse.de>
5644 * config.host: Make assignments to host_xmake_file cumulative.
5645 * config.host (*-darwin*): Test $host, not $target.
5647 2006-05-12 Stuart Hastings <stuart@apple.com>
5649 * config/i386/i386.opt (-mstackrealign): New flag.
5650 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5651 (ix86_handle_cconv_attribute): Emit error when
5652 force_align_arg_pointer attribute collides with too many regparms.
5653 (ix86_function_regparm): Limit regparms when used with
5654 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5655 Support stack-realigning prologue in non-main functions. Emit
5656 warning for nested functions under -mstackrealign, emit error for
5657 nested functions with force_align_arg_pointer attribute.
5658 * doc/extend.texi (force_align_arg_pointer): Document it.
5659 * doc/invoke.texi (-mstackrealign): Document it.
5661 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5663 PR rtl-optimization/27477
5664 * combine.c (try_combine): Don't split a parallel consisting
5665 of two sets into two individual sets if both sets reference
5668 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5670 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5671 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5673 * doc/options.texi (VarExists): Updated.
5675 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5677 * unwind-dw2.c: Add declarations for uw_update_context and
5679 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5680 detected, advance frame state and context once to skip over stub.
5682 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5686 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5687 Call rewrite_into_loop_closed_ssa only when something changed.
5688 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5689 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5690 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5691 Test for perfect_nest_p here. Fix formating.
5692 (replace_uses_equiv_to_x_with_y): Fix formating.
5693 (stmt_uses_op): Removed.
5694 (can_convert_to_perfect_nest): Removed loopivs parameter.
5695 Complete the test by checking the scalar dependences.
5696 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5699 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5702 From Dan Kegel <dank@kegel.com>:
5703 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5705 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5707 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5708 if the element type is variably modified without recursing.
5710 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5713 * tree-loop-linear.c (try_interchange_loops): Test for
5714 no data dependences.
5716 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5718 PR tree-optimization/27548
5719 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5720 range of ssa names that appear on abnormal edges.
5721 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5722 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5724 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5727 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5729 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5732 * tree.h (OMP_PARALLEL_COMBINED): Define.
5733 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5734 (new_omp_context): Add is_combined_parallel argument.
5735 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5736 new_omp_context caller.
5737 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5738 Adjust gimplify_scan_omp_clauses callers.
5739 (omp_is_private): Issue errors if iteration variable is firstprivate
5740 or reduction in the current context.
5741 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5742 on combined parallel workshare constructs.
5744 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5746 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5747 (gcc-options.o): New rule.
5749 * optc-gen.awk: Protect variables for gcc-options.o with
5750 #ifdef GCC_DRIVER/#endif.
5752 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5754 Fix PR tree-optimization/27373
5755 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5756 (forward_propagate_addr_expr): Update call.
5758 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5760 * doc/options.texi: Move the Negative option.
5762 2006-05-16 Richard Guenther <rguenther@suse.de>
5764 PR tree-optimization/22303
5765 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5767 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5768 ccp_fold did not simplify the statement.
5770 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5773 * Makefile.in (GCC_OBJS): New.
5774 (OBJS-common): Add opts-common.o.
5775 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5776 (cpp$(exeext)): Likewise.
5777 (gcc.o): Also depend on opts.h.
5778 (opts-common.o): New.
5780 * common.opt (gcoff): Add Negative(gdwarf-2).
5781 (gdwarf-2): Add Negative(gstabs).
5782 (gstabs): Add Negative(gstabs+).
5783 (gstabs+): Add Negative(gvms).
5784 (gvms): Add Negative(gxcoff).
5785 (gxcoff): Add Negative(gxcoff+).
5786 (gxcoff+): Add Negative(gcoff).
5787 * config/i386/i386.opt (m32): Add Negative(m64).
5788 (m64): Add Negative(m32).
5790 * doc/options.texi: Document the Negative option.
5792 * gcc.c: Include "opts.h".
5793 (main): Call prune_options after expandargv.
5795 * optc-gen.awk: Generate common declarations for all flag
5796 variables in options.c. Output the neg_index field.
5798 * opts.c (find_opt): Moved to ...
5799 * opts-common.c: Here. New file.
5801 * opts.h (cl_option): Add a neg_index field.
5803 (prune_options): Likewise.
5805 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5808 * omp-low.c (expand_omp_parallel): Don't assert
5809 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5810 instead search for it.
5813 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5816 2006-05-16 Andreas Schwab <schwab@suse.de>
5818 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5821 2006-05-15 Roger Sayle <roger@eyesopen.com>
5824 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5825 integer constants other than zero are only legitimate on TARGET_64BIT.
5826 <CONST_VECTOR> Only zero vectors are legitimate.
5827 (ix86_cannot_force_const_mem): Integral and vector constants can
5828 always be put in the constant pool.
5830 2006-05-16 DJ Delorie <dj@redhat.com>
5832 * crtstuff.c (__dso_handle): Set section from
5833 TARGET_LBIGCC_SDATA_SECTION if defined.
5834 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5835 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5837 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5840 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5843 2006-05-16 Ben Elliston <bje@au.ibm.com>
5845 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5847 2006-05-15 Per Bothner <per@bothner.com>
5849 * tree.c: (last_annotated_node): Use source_locus typedef.
5850 This permits bootstrapping with --enable-mapped-location.
5852 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5854 PR tree-optimization/26830
5855 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5856 (info_for_ssa_name, current_info_for_ssa_name_age,
5857 blocks_to_update): New variables.
5858 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5859 (clear_ssa_name_info, initialize_flags_in_bb,
5860 mark_block_for_update): New functions.
5861 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5862 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5863 prepare_def_site_for): Use mark_block_for_update.
5864 (mark_def_interesting): Assert that the processed block is marked in
5865 blocks_to_update. Do not take blocks argument.
5866 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5868 (rewrite_update_init_block, rewrite_update_stmt): Only process
5869 blocks with statements to rewrite.
5870 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5871 (update_ssa): Initialize and free blocks_to_update. Do not
5872 clear flags on statements. Do not use blocks bitmap.
5873 * tree.h (SSA_NAME_AUX): Removed.
5874 (struct tree_ssa_name): Removed aux field.
5875 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5877 2006-05-15 Richard Guenther <rguenther@suse.de>
5879 PR tree-optimization/27603
5880 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5881 Do computations in original type.
5883 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5885 * see.c: Code style changes such as redundant paranthesis,
5886 redundant intialization of local variables etc.
5887 (see_main): Declared now as static.
5888 * doc/invoke.texi: Update that -fsee is not enabled by
5891 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5893 * omp-low.c (check_omp_nesting_restrictions): New function.
5894 (scan_omp_1): Call it.
5897 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5898 construct, return *VAR.
5900 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5902 PR rtl-optimization/27406
5903 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5906 2006-05-14 Roger Sayle <roger@eyesopen.com>
5908 PR rtl-optimization/27538
5909 * combine.c (expand_compound_operation): Call gen_lowpart
5910 before calling simplify_shift_const.
5912 2006-05-14 Roger Sayle <roger@eyesopen.com>
5914 PR rtl-optimization/22563
5915 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5916 a fixed width bitfield, always force the intermediates into psuedos.
5918 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5921 * mkconfig.sh: Use operator = instead of == for test.
5923 2006-05-13 Nick Clifton <nickc@redhat.com>
5925 * dwarf2out.c (dbx_reg_number): Check return value from
5926 LEAF_REG_REMAP and only use it if it is valid.
5927 (multiple_reg_loc_descriptor): Likewise.
5929 2006-05-13 Richard Guenther <rguenther@suse.de>
5931 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5934 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5936 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5937 information attached to non-INSNs such as NOTEs.
5938 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5940 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5942 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5944 * config/s390/s390.md: Adjust comment describing On constraint.
5946 2006-05-11 Jan Hubicka <jh@suse.cz>
5948 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5949 to be output at -O0.
5951 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5954 * fold-const.c (size_binop): Move sanity check for arguments to
5955 the beginning of the function.
5958 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5961 2006-05-11 Richard Guenther <rguenther@suse.de>
5964 * fold-const.c (fold_unary): Handle intermediate conversion
5965 to a pointer type like intermediate conversion to an integer
5966 type in folding of (T1)(T2)var to var.
5967 Match the code to the comment in the final conversion for
5968 (T1)(T2)var to (T1)var regarding to type precision. Rather
5969 than disallow T1 being of pointer type, assert that both T1
5970 and var are of pointer type or not. Make sure not to fall
5971 over the frontends lazyness wrt array to pointer decay though.
5973 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5975 * arm.c (arm_struct_value_rtx): Delete.
5976 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5977 (arm_init_cumulative_args): Always initialize nregs to zero.
5979 2006-05-10 Richard Guenther <rguenther@suse.de>
5981 PR tree-optimization/27532
5982 * tree-object-size.c (plus_expr_object_size): Fix typo.
5984 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5987 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5988 ashrdi_const, ashrdi3): Use a scratch register.
5990 2006-05-10 Richard Guenther <rguenther@suse.de>
5992 PR tree-optimization/27302
5993 * fold-const.c (operand_equal_p): For two comparisons,
5994 try comparison of one comparison code swapped if that yields
5997 2006-05-10 Ben Elliston <bje@au.ibm.com>
5999 * tree-pretty-print.c (pretty_print_string): No need to handle
6000 '\0' as a special character.
6002 * tree.h: Include "hashtab.h".
6003 (iterative_hash_expr): Use hashval_t in its prototype.
6004 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6006 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6009 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6010 (hppa*64*-*-hpux11*): Ditto.
6011 (hppa[12]*-*-hpux11*): Ditto.
6013 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6016 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6018 2006-05-09 Michael Matz <matz@suse.de>
6020 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6021 host_extra_gcc_objs and host_xmake_file.
6022 (<*-*-linux*>): Don't overwrite host_xmake_file.
6023 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6024 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6025 (host_detect_local_cpu): Declare.
6026 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6027 * config/i386/i386.c (override_options): Handle -mtune=native
6029 * config/i386/x-i386: New file.
6030 * config/i386/driver-i386.c: New file.
6031 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6034 2006-05-09 Dirk Mueller <dmueller@suse.de>
6035 Richard Guenther <rguenther@suse.de>
6038 * fold-const.c (fold_read_from_constant_string): Relax check
6039 for matching types to matching modes.
6041 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6043 PR rtl-optimization/27335
6044 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6047 2006-05-08 Chao-ying Fu <fu@mips.com>
6048 Richard Sandiford <richard@codesourcery.com>
6050 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6051 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6052 * config/mips/mips.md (UNSPEC_SCC): New constant.
6053 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6054 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6055 (mips_emit_compare): Use it.
6056 (mips_expand_vcondv2sf): New function.
6058 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6060 Fix PR tree-optimization/27093
6061 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6062 renaming when they become not-used_alone.
6064 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6066 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6067 relocation and relocation stubs.
6069 2006-05-08 Eric Christopher <echristo@apple.com>
6071 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6074 2006-05-08 Jan Hubicka <jh@suse.cz>
6077 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6078 unused static functions are needed.
6080 2006-05-08 Roger Sayle <roger@eyesopen.com>
6083 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6084 of a reg_equiv_constant if the result is a legitimate constant.
6086 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6089 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6090 standard 80387 constants, raise the cost to prevent
6091 compress_float_constant() to generate load from memory.
6093 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6095 * config/arm/constraints.md (c): Fix a typo.
6097 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6100 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6103 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6105 (_mm_mwait): Likewise.
6107 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6109 (sse3_monitor): Make it 32bit only.
6110 (sse3_monitor64): New. 64bit monitor.
6112 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6115 * config/i386/i386.c (classify_argument): Skip fields with invalid
6118 2006-05-07 Richard Guenther <rguenther@suse.de>
6120 PR tree-optimization/27409
6121 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6122 Do not try to find zero-sized subvars.
6124 2006-05-07 Richard Guenther <rguenther@suse.de>
6126 PR tree-optimization/27136
6127 * tree-ssa-loop-niter.c (get_val_for): Correct function
6128 comment, assert requirements.
6129 (loop_niter_by_eval): Stop processing if the iterated
6130 value did not simplify.
6132 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6134 * opts.c (flag_see): remove its setting at -O3.
6136 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6138 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6139 * arm/constraints.md: New file.
6140 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6141 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6142 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6143 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6144 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6145 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6146 * arm.md: Include constraints.md.
6147 (thumb_movsi_insn): Use satisfies_constraint_J.
6148 (movhi, movqi): Use satisfies_constraint_I.
6150 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6152 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6153 for atmeg a645 device.
6155 2006-05-06 Richard Guenther <rguenther@suse.de>
6157 PR tree-optimization/27151
6158 * tree-vect-transform.c (vectorizable_condition): Punt on
6159 values that have a different type than the condition.
6161 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6164 * c-parser.c (c_parser_cast_expression): Only insert casts into
6165 hash table if pointer.
6166 * function.c (used_types_insert_helper): Rename from
6168 (used_types_insert): Call used_types_insert_helper.
6169 * function.h (used_types_insert): Accept only one argument.
6171 2006-05-05 David Edelsohn <edesohn@gnu.org>
6173 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6174 scratch with output modifier.
6176 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6179 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6180 with output modifier.
6182 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6185 * config/mips/mips.c (mips_symbolic_address_p): Return true
6186 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6187 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6189 2006-05-04 Richard Guenther <rguenther@suse.de>
6191 PR tree-optimization/14287
6192 PR tree-optimization/14844
6193 PR tree-optimization/19792
6194 PR tree-optimization/21608
6195 PR tree-optimization/27090
6196 * tree-ssa-pre.c (try_combine_conversion): New function.
6197 (compute_avail): After constructing the value-handle
6198 expression, use try_combine_conversion to combine NOP_EXPRs
6199 with previous value-handle expressions and use the result if it
6202 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6204 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6206 2006-05-04 Jan Hubicka <jh@suse.cz>
6209 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6211 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6213 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6214 that this only matches CONST_INTs. All users changed to VOIDmode
6217 * config/bfin/bfin.c: Include "optabs.h".
6218 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6220 (enum bfin_builtins): Add a number of fractional and vector builtins.
6221 (bfin_init_builtins): Likewise.
6222 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6223 (safe_vector_operand, bfin_expand_binop_builtin,
6224 bfin_expand_unop_builtin): New functions.
6225 (bfin_expand_builtin): Handle the new builtins.
6226 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6229 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6232 * Makefile.in (OBJS-common): Add see.o.
6233 (see.o): Add dependencies.
6234 * common.opt (fsee): New flag for the see optimization was added.
6235 * opts.c (flag_see): Initialized.
6236 * passes.c (init_optimization_passes, pass_see): New pass.
6237 * rtl.h (see_main): Declaration as extern.
6238 * timevar.def (TV_SEE): New.
6239 * tree-pass.h (pass_see): Declaration as extern.
6240 * invoke.texi (-fsee): Document.
6241 * recog.c (validate_simplify_insn): New function.
6242 * recog.h (validate_simplify_insn): Declaration as extern.
6243 * df-problems.c (df_chain_dump): Check for NULL.
6245 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6246 Daniel Berlin <dberlin@dberlin.org>
6248 * cfgrtl.c (insert_insn_bb_end_new): New function.
6249 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6251 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6253 * df.h (struct web_entry): Moved from web.c.
6254 (union_defs): Declaration as extern.
6255 (unionfind_root): Likewise.
6256 (unionfind_union): Likewise.
6257 * web.c (struct web_entry): Moved to df.h.
6258 (unionfind_root): Remove static declaration.
6259 (unionfind_union): Likewise.
6260 (union_defs): Likewise and generalize to use callback function.
6261 (web_main): Update arguments for union_defs function call.
6263 2006-05-04 Richard Guenther <rguenther@suse.de>
6265 PR tree-optimization/26447
6266 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6267 produce SSA_NAME copies before the store stmt to avoid
6268 breaking exception handling.
6270 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6273 * gimplify.c (omp_is_private): If var is shared in some outer context,
6274 return false instead of true. Stop searching on parallel context
6277 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6280 * coverage.c: Use get_gcov_unsigned_t() instead of
6281 unsigned_type_node all over.
6283 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6285 PR tree-optimization/27381
6286 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6287 maintain the same immediate_use links.
6288 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6289 node rather than segfaulting.
6291 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6294 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6295 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6296 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6298 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6300 Fix PR tree-optimization/26626
6301 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6303 * tree-ssa-operands.c (access_can_touch_variable): Allow
6304 typecasting through union pointers.
6306 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6309 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6310 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6311 to find if var will be a global variable even in the nested context.
6312 (omp_copy_decl): Only check for global variable at the end, it might
6313 be overridden in outer contexts.
6314 (scan_sharing_clauses): For global variables don't create a field.
6315 (lower_rec_input_clauses): Do nothing for global shared variables.
6316 Emit a barrier at the end of ILIST if there were any decls in both
6317 firstprivate and lastprivate clauses.
6318 (lower_send_clauses): Do nothing for global variables except for
6321 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6323 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6324 of the correct signedness is returned.
6326 2006-05-02 Jeff Law <law@redhat.com>
6328 PR tree-optimization/27364
6329 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6330 multiply expressions.
6332 2006-05-02 Tom Tromey <tromey@redhat.com>
6334 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6336 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6339 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6340 -mthumb -fPIC are used.
6342 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6343 Joshua Kinard <kumba@gentoo.org>
6346 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6347 with 64-bit pointers.
6349 2006-05-02 Paul Brook <paul@codesourcery.com>
6351 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6353 (create_fix_barrier): Check that a suitable barrier location is
6355 (arm_reorg): Include ftmp->address in allowable range of addresses.
6357 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6360 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6363 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6366 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6367 around RESULT_DECL for result passed by reference.
6368 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6369 * omp-low.c (use_pointer_for_field): Don't look at
6370 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6371 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6372 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6373 time or var for passing by reference for
6374 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6375 TREE_ADDRESSABLE variables when passing by reference.
6377 * omp-low.c (dump_omp_region): Fix output formatting.
6380 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6381 (expand_omp_parallel): Likewise.
6382 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6385 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6386 on statement list containing also constructors and destructors.
6387 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6390 * except.c (duplicate_eh_regions): Fix clearing of
6391 cfun->eh->region_array entries.
6393 2006-05-01 DJ Delorie <dj@redhat.com>
6395 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6397 (gcc_cv_objdump): Likewise.
6398 * configure: Regenerated.
6400 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6403 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6404 templates for case 3 and 4.
6406 2006-05-01 DJ Delorie <dj@redhat.com>
6408 * vec.c: Include bconfig.h when appropriate.
6409 * Makefile.in (build/vec.o): Adjust dependencies.
6410 * mkconfig.sh: Make sure config.h isn't used for build machine
6413 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6415 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6417 (mark_phi_for_rewrite): New function.
6418 (insert_phi_nodes_for, mark_use_interesting): Call
6419 mark_phi_for_rewrite.
6420 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6421 (update_ssa): Initialize and free phis_to_rewrite.
6423 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6425 PR rtl-optimization/27291
6426 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6427 folded to a constant.
6429 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6431 PR tree-optimization/27283
6432 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6433 not whole # of iteration descriptions.
6434 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6435 uses abnormal ssa name.
6436 (niter_for_single_dom_exit): Ditto.
6437 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6438 return just the number of iterations.
6440 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6442 PR tree-optimization/27144
6443 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6444 (record_estimate): Only record constant upper bound.
6445 (infer_loop_bounds_from_undefined): Call
6446 compute_estimated_nb_iterations just once.
6447 (proved_non_wrapping_p): Renamed to ...
6448 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6449 (convert_step_widening, scev_probably_wraps_p): Call
6450 n_of_executions_at_most instead of proved_non_wrapping_p.
6451 (substitute_in_loop_info): Do not replace values in bounds.
6452 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6455 2006-05-01 Richard Henderson <rth@redhat.com>
6458 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6459 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6462 2006-05-01 Roger Sayle <roger@eyesopen.com>
6464 * c-typeck.c (parser_build_binary_op): Don't call the function
6465 unsigned_conversion_warning to spot operand/result type overflow.
6466 (build_binary_op): Instead, call convert_and_check instead of
6467 convert to report the problem when the operands are promoted.
6468 * c-common.c (unsigned_conversion_warning): Make static.
6469 * c-common.h (unsigned_conversion_warning): Delete prototype.
6471 2006-05-01 Richard Guenther <rguenther@suse.de>
6473 PR tree-optimization/26726
6474 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6476 (find_interesting_uses_address): ... we work around here
6477 by folding INDIRECT_REFs in the substituted base.
6479 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6481 * omp-low.c (dump_omp_region): Add newlines.
6483 2006-04-30 Roger Sayle <roger@eyesopen.com>
6485 * common.opt (Woverflow): New command line option.
6486 * c-common.c (constant_expression_warning): Check warn_overflow.
6487 (overflow_waring): Pass OPT_Woverflow to warning.
6488 (unsigned_conversion_warning): Likewise.
6489 (convert_and_check): Likewise.
6490 * doc/invoke.texi: Document new command line option.
6492 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6494 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6495 TARGET_NO_FP_IN_TOC for section anchors.
6496 (optimization_options): Enable section anchors for all
6497 non-"Objective" languages.
6499 2006-04-28 Eric Christopher <echristo@apple.com>
6501 * config/darwin-c.c (darwin_ms_struct): Move this
6502 (darwin_set_default_type_attributes): and this...
6503 * config/darwin.c: ... here.
6504 * config/darwin.h (darwin_ms_struct): Declare.
6506 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6508 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6510 2006-04-28 Roger Sayle <roger@eyesopen.com>
6513 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6514 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6515 an unsigned HOST_WIDE_INT.
6516 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6518 (really_start_incremental_init): No need to call convert because
6519 bitsize_zero_node is already of type bitsizetype.
6520 (push_init_level): Extract the value of constructor_index as an
6521 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6522 (process_init_element): Likewise.
6524 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6526 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6527 value before passing to make_relative_prefix.
6529 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6532 * builtins.c (expand_builtin_memset): Expand val in original mode.
6534 2006-04-27 Eric Christopher <echristo@apple.com>
6536 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6537 with #ifndef/#endif.
6538 * config/darwin-c.c (darwin_ms_struct): New.
6539 (darwin_pragma_ms_struct): Ditto.
6540 (darwin_set_default_type_attributes): Ditto.
6541 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6542 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6543 Register ms_struct pragma.
6544 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6545 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6546 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6547 darwin_set_default_type_attributes if TARGET_MACHO.
6549 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6551 PR tree-optimization/26854
6552 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6553 * doc/tree-ssa.texi: Update immuse iterator documentation.
6554 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6555 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6556 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6557 first_safe_imm_use, next_safe_imm_use): Remove.
6558 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6559 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6560 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6561 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6562 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6563 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6564 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6565 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6566 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6567 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6568 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6569 (perfect_nestify): Use new iterator.
6570 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6572 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6573 (next_imm_name): New field in struct immediate_use_iterator_d.
6574 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6575 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6576 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6577 * tree-cfg.c (replace_uses_by): Use new iterator.
6578 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6579 * tree-ssa-operands.c (correct_use_link): Remove.
6580 (finalize_ssa_use_ops): No longer call correct_use_link.
6582 2006-04-27 Stuart Hastings <stuart@apple.com>
6584 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6585 * config/t-darwin (crt3.o): Use it.
6586 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6587 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6588 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6589 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6590 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6593 2006-04-27 Roger Sayle <roger@eyesopen.com>
6595 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6596 size, force the intermediate into a new pseudo rather instead of
6597 performing both a bitwise AND and a bitwise IOR in memory.
6599 2006-04-27 Richard Guenther <rguenther@suse.de>
6601 PR rtl-optimization/26685
6602 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6603 this one "max-flow-memory-locations".
6605 2006-04-27 Richard Guenther <rguenther@suse.de>
6607 PR tree-optimization/25148
6608 * tree-vrp.c (compare_values): Remove code dealing with
6609 comparisons against type min/max value. Honour overflow
6610 and negative constants in code dealing with comparisons
6611 of plus and minus expressions.
6612 (value_inside_range): Use fold_binary with LE_EXPR and
6613 GE_EXPR rather than compare_values.
6615 2006-04-27 Dirk Mueller <dmueller@suse.de>
6617 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6620 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6622 * basic-block.h (safe_insert_insn_on_edge): Removed.
6623 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6625 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6626 Paolo Bonzini <bonzini@gnu.org>
6629 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6630 (simplify_and_const_int): Same.
6632 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6634 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6636 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6639 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6640 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6641 cgraph_global_info_ready.
6644 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6647 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6648 either decl or init is error_mark_node.
6651 * tree-flow.h (struct omp_region): Add sched_kind.
6652 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6653 instead of extracting omp for data.
6654 (expand_omp_for): Save extracted sched_kind.
6656 2006-04-25 Roger Sayle <roger@eyesopen.com>
6658 * expmed.c (store_bit_field): Also check whether the bitsize is
6659 valid for the machine's "insv" instruction before moving the
6660 target into a pseudo for use with the insv.
6661 * config/i386/predicates.md (const8_operand): New predicate.
6662 * config/i386/i386.md (extv, extzv, insv): Use the new
6663 const8_operand predicate where appropriate.
6665 2006-04-25 DJ Delorie <dj@redhat.com>
6667 * doc/install.texi (Specific): Clarify that this is not a list of
6668 supported hosts or targets.
6670 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6672 PR rtl-optimization/26725
6673 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6674 block's BB_DIRTY flag.
6676 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6678 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6681 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6682 to print an integer.
6684 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6686 * varasm.c (align_variable): New function.
6687 (get_block_for_decl): Apply align_variable to DECL before
6688 calculating section information.
6689 (assemble_variable): Split out alignment computation.
6691 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6693 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6696 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6698 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6699 MODE_PARTIAL_INT mode.
6700 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6701 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6703 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6704 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6706 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6708 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6710 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6711 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6712 MACFLAG_IH): Likewise.
6713 (movstricthi_1): Renamed from "*movstricthi".
6714 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6715 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6716 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6717 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6718 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6719 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6720 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6721 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6722 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6723 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6724 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6725 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6726 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6727 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6728 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6730 * doc/rtl.texi (ss_ashift): Improve wording.
6732 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6734 * dwarf2out.c (verify_marks_clear): New.
6735 (prune_unused_types): Call verify_marks_clear initially, not
6738 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6740 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6741 * doc/rtl.texi: Document them.
6742 * simplify-rtx.c (simplify_unary_operation,
6743 simplify_binary_operation_1): Don't abort when we see them.
6745 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6748 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6749 * configure.ac: Completely disregard languages that are not
6751 * configure: Regenerated.
6753 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6754 Richard Guenther <rguenther@suse.de>
6756 PR tree-optimization/27236
6757 * tree-inline.c (copy_body_r): Make sure to copy
6758 TREE_THIS_VOLATILE flag.
6760 2006-04-24 Richard Guenther <rguenther@suse.de>
6763 * tree-complex.c (update_parameter_components): Don't handle
6764 unused parameters which have no default def.
6766 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6767 Richard Guenther <rguenther@suse.de>
6769 PR tree-optimization/27218
6770 * tree-inline.c (expand_call_inline): Strip useless type
6771 conversions for the return slot address.
6773 2006-04-24 Richard Guenther <rguenther@suse.de>
6775 * cfgloop.h (struct loops): Remove unused field array. Reorder
6777 (LOOP_PREFETCH): Remove.
6779 2006-04-24 Richard Guenther <rguenther@suse.de>
6781 PR tree-optimization/22525
6782 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6783 variable, adjust types of generated expressions.
6785 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6787 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6788 (tree-vect-patterns.o): Likewise.
6790 (cselib.o): Likewise.
6791 (loop-doloop.o): Likewise.
6792 (regclass.o): Likewise.
6793 (reload1.o): Likewise.
6794 (explow.o): Replace target.h with $(TARGET_H).
6795 (ipa-prop.o): Likewise.
6796 (ipa-cp.o): Likewise.
6797 (ipa-inline.o): Likewise.
6798 (reorg.o): Likewise.
6799 (reg-stack.o): Likewise.
6801 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6803 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6805 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6807 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6809 * configure.ac: Completely disregard languages that are not
6811 * configure: Regenerated.
6814 * c-common.h (c_build_bitfield_integer_type): Declare.
6815 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6816 * c-common.c (c_build_bitfield_integer_type): ... here.
6818 2006-04-23 Roger Sayle <roger@eyesopen.com>
6821 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6822 a SImode SUBREG of a floating point register after no_new_pseudos.
6824 2006-04-23 Roger Sayle <roger@eyesopen.com>
6826 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6827 identify potentially eliminable registers to additionally catch
6828 VIRTUAL_INCOMING_ARGS_REGNUM.
6829 (addsi3): Update the conditions on when to use addsi_small_int.
6831 2006-04-23 Roger Sayle <roger@eyesopen.com>
6834 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6835 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6836 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6838 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6840 * fold-const.c (range_predecessor): Use operand_equal_p
6841 as the predicate for equality.
6842 (range_successor): Likewise.
6844 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6847 * config/soft-fp/op-common.h: Fix a typo.
6849 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6852 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6853 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6855 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6857 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6859 * doc/tm.texi: Fix a typo.
6861 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6863 * dwarf2out.c (struct die_struct): Document that die_sib makes
6864 a circular linked list.
6865 (FOR_EACH_CHILD): New.
6866 (reverse_die_lists): Delete.
6867 (reverse_all_dies): Delete.
6868 (add_dwarf_attr): Correct documentation.
6869 (remove_child_with_prev): New.
6870 (remove_child_TAG): Update for change to die_struct, use
6871 remove_child_with_prev.
6872 (add_child_die): Update for change to die_struct.
6873 (splice_child_die): Use remove_child_with_prev and add_child_die.
6874 (print_die): Use FOR_EACH_CHILD.
6875 (die_checksum): Likewise.
6876 (assign_symbol_names): Likewise.
6877 (output_location_lists): Likewise.
6878 (build_abbrev_table): Likewise.
6879 (calc_die_sizes): Likewise.
6880 (mark_dies): Likewise.
6881 (unmark_dies): Likewise.
6882 (unmark_all_dies): Likewise.
6883 (output_die): Likewise.
6884 (prune_unused_types_mark): Likewise.
6885 (prune_unused_types_walk): Likewise.
6886 (same_die_p): Update for change to die_struct.
6887 (break_out_includes): Likewise.
6888 (prune_unused_types_prune): Likewise.
6889 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6890 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6892 (dwarf2out_finish): Don't call reverse_all_dies.
6894 2006-04-21 Eric Christopher <echristo@apple.com>
6896 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6897 in comments and function names.
6899 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6902 * c-typeck.c (digest_init): Robustify.
6904 * c-typeck.c (pop_init_level): Simplify.
6906 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6908 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6910 2006-04-21 Paul Brook <paul@codesourcery.com>
6912 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6913 hardware floating point.
6915 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6917 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6920 2006-04-21 Nick Clifton <nickc@redhat.com>
6922 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6925 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6928 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6929 C++ lang type in traceback table for Objective-C++.
6931 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6933 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6935 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6937 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6940 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6941 were errors. Remove check for erroneous objects.
6943 2006-04-20 Jeff Law <law@redhat.com>
6945 PR tree-optimization/26854
6946 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6947 checking for zero or one use.
6948 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6949 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6950 * tree-ssa-reassoc.c (negate_value): Similarly.
6951 (reassociate_bb): Similarly.
6953 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6955 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6956 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6957 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6959 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6961 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6962 fp regs if the last fp arg doesn't fit in regs.
6964 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6967 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6968 that the last insn has the REG_INC note.
6970 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6971 Nathan Sidwell <nathan@codesourcery.com>
6974 * stor-layout.c (update_alignment_for_field): Do not align
6976 (place_union_field): Place union field at the start of the union.
6977 (place_field): Move ERROR_MARK check later, and use the current
6978 allocation position to maintain monotonicity.
6980 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6982 * dominance.c: Include timevar.h.
6983 (calculate_dominance_info): Use TV_DOMINANCE.
6984 * timevar.def (TV_DOMINANCE): New timevar.
6985 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6987 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6989 PR rtl-optimization/14261
6990 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6991 move would be an INSV insn.
6992 (noce_process_if_block): Don't optimize if the destination is a
6993 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6995 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6997 * config/s390/s390.md: Add comments with the instructions emitted
6998 by an insn pattern if macros are used.
7000 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7002 PR rtl-optimization/26026
7003 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7004 is a known power of two shifted left a variable amount.
7006 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7008 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7009 to hash table twice when the debug_str section has SECTION_MERGE.
7011 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7013 * config/soft-fp: New directory. From glibc.
7014 * config/soft-fp/t-softfp: New.
7015 * config/soft-fp/README: New.
7016 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7017 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7018 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7019 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7020 * config.gcc: Use rs6000/t-fprules-fpbit or
7021 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7023 * config/rs6000/sfp-machine.h: New. Based on glibc.
7024 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7026 * config/rs6000/t-fprules: Remove fp-bit rules.
7027 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7028 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7029 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7030 (softfp_wrap_start, softfp_wrap_end): New.
7032 2006-04-18 DJ Delorie <dj@redhat.com>
7034 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7036 2006-04-18 Devang Patel <dpatel@apple.com>
7038 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7040 2006-04-18 Nick Clifton <nickc@redhat.com>
7042 * config/sh/t-symbian: Add rule to build sh-c.o
7043 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7044 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7045 (sh_symbian_encode_section_info): Likewise.
7047 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7049 * builtins.c (expand_builtin_strcmp): Cover label definition of
7050 do_libcall with HAVE_cmpstrnsi.
7052 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7054 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7056 * function.h (temp_slot_p): New.
7057 (function): Change the type of x_used_temp_slots to
7058 VEC(temp_slot_p,gc) *.
7060 2006-04-18 Nick Clifton <nickc@redhat.com>
7062 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7063 flag_strength_reduce.
7065 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7067 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7071 Partial revert of revision 112637
7072 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7073 Dale Johannesen <dalej@apple.com>
7076 * regclass.c (struct reg_pref): Update documentation.
7077 (regclass): Set prefclass to NO_REGS if memory is the best option.
7078 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7080 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7082 PR tree-optimization/26821
7083 * tree-ssa-math-opts.c (get_constant_one): New.
7084 (insert_reciprocals): Use it.
7086 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7088 * dwarf2out.c (free_AT): Delete.
7089 (remove_AT): Update string ref counts.
7090 (remove_child_TAG): Don't call free_die.
7092 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7093 or DW_TAG_GNU_EINCL.
7094 (prune_unused_types_walk_attribs): Reset string refcounts.
7095 (prune_unused_types_update_strings): New.
7096 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7097 call free_die. Do call prune_unused_types_update_strings.
7098 (prune_unused_types): Empty debug_str_hash.
7100 2006-04-17 Roger Sayle <roger@eyesopen.com>
7102 * expr.c (expand_assignment): Optimize away no-op moves where the
7103 source and destination are equal and have no side-effects.
7105 2006-04-17 Richard Guenther <rguenther@suse.de>
7108 * reload.c (push_reload): Guard calls to get_secondary_mem
7111 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7113 * alias.c (reg_base_value, old_reg_base_value): Change the
7114 type to VEC(rtx,gc) *.
7115 (REG_BASE_VALUE, find_base_value, record_set,
7116 init_alias_analysis): Use VEC instead of VARRAY.
7118 * alias.c (alias_sets): Change the type to
7119 VEC(alias_set_entry,gc) *.
7120 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7121 VEC instead of VARRAY.
7122 (last_alias_set): Remove.
7124 * cgraph.h (cgraph_edge_p): New.
7125 Update the prototype of cgraph_function_versioning.
7126 * cgraphunit.c (cgraph_copy_node_for_versioning,
7127 cgraph_function_versioning): Use VEC instead of VARRAY.
7128 * ipa-cp.c (ipcp_insert_stage): Likewise.
7130 2006-04-16 Roger Sayle <roger@eyesopen.com>
7133 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7134 "A op B" or "A op C", we may need to convert A to the type of B and C.
7136 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7138 * target.h (struct gcc_target): Add mode_rep_extended.
7139 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7140 (init_num_sign_bit_copies_in_rep): Initialize it using
7142 (truncate_to_mode): Use it.
7143 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7144 * targhooks.h (default_mode_rep_extended): Declare it.
7145 * targhooks.c (default_mode_rep_extended): Define it.
7146 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7147 default_mode_rep_extended.
7148 (TARGET_INITIALIZER): Include it.
7149 * doc/tm.texi (Misc): Document it.
7150 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7151 (mips_truncated_to_mode): New function.
7153 2006-04-16 Roger Sayle <roger@eyesopen.com>
7156 * expr.c (compress_float_constant): Copy the narrow constant into
7157 a new pseudo before extending it to its final width.
7159 2006-04-16 Roger Sayle <roger@eyesopen.com>
7160 Andrew Pinski <pinskia@gcc.gnu.org>
7161 Dale Johannesen <dalej@apple.com>
7164 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7165 special case code to implement V8HImode and V16QImode with SSE2.
7167 2006-04-15 Roger Sayle <roger@eyesopen.com>
7169 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7170 trees are constructed with a suitable tree type.
7172 2006-04-15 Roger Sayle <roger@eyesopen.com>
7174 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7175 (integer_onep): Likewise.
7176 (integer_all_onesp): Likewise.
7177 (integer_pow2p): Likewise.
7178 (integer_nonzerop): Likewise.
7179 (real_zerop): Likewise.
7180 (real_onep): Likewise.
7181 (real_twop): Likewise.
7182 (real_minus_onep): Likewise.
7183 (int_size_in_bytes): Likewise.
7184 (host_integerp): Likewise.
7186 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7188 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7189 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7190 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7192 * tree-ssa-structalias.h (alias_info): Remove num_references.
7194 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7196 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7197 (output_bvb patterns): Likewise.
7198 * pa.c (output_bb): Use 'bb' insn for long branch case.
7199 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7200 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7201 1. Correct length operand for alternatives 1 and 2.
7202 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7203 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7205 2006-04-14 Roger Sayle <roger@eyesopen.com>
7207 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7208 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7209 were accidentally reverted by r112959.
7211 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7214 * except.h (eh_region_outermost): New prototype.
7215 * except.c (eh_region_outermost): New function.
7216 * tree-cfg.c (find_outermost_region_in_block): Use it.
7218 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7220 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7222 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7223 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7224 (init_reload, reload): Use VEC instead of VARRAY.
7225 * reload.h: Update the prototype for
7226 reg_equiv_memory_loc_varray.
7228 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7229 Eric Botcazou <ebotcazou@libertysurf.fr>
7231 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7234 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7237 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7238 to expand fallback builtin function call.
7240 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7243 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7244 and emit libcall here in case the builtin fails.
7245 (expand_builtin_strcmp): Always emit the libcall here on failure.
7247 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7249 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7250 * flow.c (reg_n_info): Change the type to
7251 VEC(reg_info_p,heap) *.
7252 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7254 * regs.h (reg_info_p): New.
7255 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7256 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7257 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7260 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7262 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7264 * params.h (MAX_SCHED_READY_INSNS): New macro.
7265 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7266 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7267 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7268 the ready list for 1 cycle during the first scheduling pass.
7269 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7271 2006-04-13 Richard Henderson <rth@redhat.com>
7274 * gimple-low.c (lower_omp_directive): Remove dead code.
7275 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7276 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7277 * omp-low.c (struct omp_region): Move to tree-flow.h.
7278 (root_omp_region): Export.
7279 (omp_regions, lookup_omp_region): Remove.
7280 (determine_parallel_type): Update for struct omp_region changes.
7281 (dump_omp_region): Dump regions with block numbers.
7282 (new_omp_region): Take type and block instead of stmt; malloc
7284 (free_omp_region_1, free_omp_regions): New.
7285 (expand_parallel_call): Take entry_stmt as argument; update for
7286 changes to omp_region.
7287 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7288 (remove_exit_barriers): New.
7289 (expand_omp_parallel): Update for struct omp_region changes.
7290 (expand_omp_synch): Likewise.
7291 (expand_omp): Likewise.
7292 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7293 (expand_omp_for_static_chunk): Likewise.
7294 (expand_omp_for): Likewise.
7295 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7296 (expand_omp_sections): Similarly, with GOMP_sections_end.
7297 (expand_omp_single): New.
7298 (build_omp_regions_1): Update for OMP_CONTINUE.
7299 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7300 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7301 OMP_SECTIONS_SECTIONS.
7302 (lower_omp_single_simple): Don't emit barrier here.
7303 (lower_omp_single_copy): Likewise.
7304 (lower_omp_single): Fix bindings, and lower to straightline now.
7305 (lower_omp_master, lower_omp_ordered): Likewise.
7306 (lower_omp_critical): Likewise.
7307 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7308 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7309 omp edges, free it afterward.
7310 (make_omp_sections_edges): Remove.
7311 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7312 (move_stmt_r): Handle OMP_CONTINUE.
7313 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7314 statement pointers to basic blocks. Add type member.
7315 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7316 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7317 * tree-inline.c (estimate_num_insns_1): Likewise.
7318 * tree-pretty-print.c (dump_generic_node): Likewise.
7319 * tree-ssa-operands.c (get_expr_operands): Likewise.
7320 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7321 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7322 (OMP_CONTINUE): New.
7323 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7324 (OMP_SECTIONS_SECTIONS): Remove.
7325 (OMP_SECTION_LAST): New.
7326 (OMP_RETURN_NOWAIT): New.
7328 2006-04-13 Roger Sayle <roger@eyesopen.com>
7330 * fold-const.c (native_encode_vector, native_interpret_real):
7331 Correct obvious mistakes in the previous check-in.
7333 2006-04-13 Roger Sayle <roger@eyesopen.com>
7335 * fold-const.c (native_encode_expr): New function to encode
7336 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7337 or VECTOR_CST into a specified buffer.
7338 (native_encode_int): New function.
7339 (native_encode_real): New function.
7340 (native_encode_complex): New function.
7341 (native_encode_vector): New function.
7342 (native_interpret_expr): Inverse of native_encode_expr to convert
7343 a target representation into an INTEGER_CST, REAL_CST etc...
7344 (native_interpret_int): New function.
7345 (native_interpret_real): New function.
7346 (native_interpret_complex): New function.
7347 (native_interpret_vector): New function.
7348 (fold_view_convert_expr): New function to constant fold/evaluate
7349 a VIEW_CONVERT_EXPR of a suitable constant expression.
7350 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7351 Change call of build1 to fold_build1 when constructing a
7354 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7355 Ulrich Weigand <uweigand@de.ibm.com>
7358 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7361 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7364 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7365 optimize to lo_sum for DFmode if !TARGET_FPRS.
7367 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7369 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7370 delete_alias_info, compute_flow_sensitive_aliasing,
7371 group_aliases): Use VEC instead of VARRAY.
7372 * tree-ssa-structalias.c (update_alias_info): Likewise.
7373 * tree-ssa-structalias.h (alias_info): Change the type of
7374 processed_ptrs to VEC(tree,heap) *.
7376 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7379 * config/sh/lib1funcs.h: New file, broken out of:
7380 * config/sh/lib1funcs.asm.
7381 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7383 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7384 * config/sh/lib1funcs-Os-4-200.asm: New file.
7385 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7386 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7387 (EXTRA_MULTILIB_PARTS): Include it.
7388 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7389 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7390 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7391 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7394 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7396 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7397 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7398 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7400 * tree-ssa-live.h: Include vecprim.h.
7401 (tree_partition_associator_d): Change the type of
7402 first_partition to VEC(int,heap) *.
7403 (tpa_first_partition): Use VEC instead of VARRAY.
7405 * Makefile.in (GTFILES): Move functions.h after tree.h.
7406 * function.c (reset_block_changes, record_block_change,
7407 check_block_change, free_block_changes): Use VEC instead of
7409 * function.h (function): Change the type of
7410 ib_boundaries_block to VEC(tree,gc) *.
7411 * tree-inline.c (copy_cfg_body): Initialize
7412 ib_boundaries_block to NULL instead of (varray_type) 0.
7414 2006-04-12 Roger Sayle <roger@eyesopen.com>
7416 * expr.c (emit_group_store): Correct operand order in call to
7417 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7418 a SUBREG_BYTE of zero.
7420 2006-04-12 Richard Guenther <rguenther@suse.de>
7422 * profile.c (compute_branch_probabilities): Remove code
7423 encapsulated in !ir_type (), which are remanents of the
7424 removed RTL profiling code.
7425 * rtl-profile.c: Remove.
7427 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7429 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7430 magic NULL_RTX comment.
7431 (function_arg): Store entire fp arg to mem if any part should go
7433 (rs6000_arg_partial_bytes): Adjust for above change.
7435 2006-04-11 Roger Sayle <roger@eyesopen.com>
7437 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7438 if it hasn't been initialized by dwarf2out_init.
7440 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7442 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7443 symbolic constants in branch patterns.
7445 2006-04-11 Roger Sayle <roger@eyesopen.com>
7447 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7449 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7451 PR rtl-optimization/27073
7452 * gcse.c (try_replace_reg): Revert last change. Continue to search
7453 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7456 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7458 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7459 aggregate types other than record and union types.
7460 (function_arg): Likewise.
7461 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7463 (function_value): In 64-bit mode, return objects that require it
7466 2006-04-11 Roger Sayle <roger@eyesopen.com>
7468 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7470 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7472 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7474 2006-04-03 Jeff Law <law@redhat.com>
7477 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7478 alias information too.
7480 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7482 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7484 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7487 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7488 (premark_used_types_helper): New.
7489 (premark_used_types): New.
7490 (gen_subprogram_die): Call premark_used_types.
7491 (prune_unused_types_walk): Do not prune perennial dies.
7492 * function.c (used_types_insert): New.
7493 * function.h (struct function): Add used_types_hash field.
7494 (used_types_insert): Add prototype.
7495 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7496 * c-parser.c (c_parser_cast_expression): Save casted types in used
7499 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7502 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7503 rs6000_explicit_options.float_gprs.
7505 2006-04-10 Roger Sayle <roger@eyesopen.com>
7507 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7508 from ix86_expand_vector_init_low_nonzero. Take an additional
7509 one_var argument indicating which element is non-zero. Support
7510 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7511 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7512 with one_var instead of ix86_expand_vector_init_low_nonzero.
7514 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7516 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7517 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7518 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7519 build/genextract.o): Depend on vecprim.h.
7520 * cfglayout.c, df-problems.c, function.c, genextract.c,
7521 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7522 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7526 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7528 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7529 Declare VECs of this type.
7530 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7531 (remove_children): Delete.
7532 (add_dwarf_attr): Use VEC routines.
7533 (add_AT_flag): Update for changes to add_dwarf_attr.
7534 (add_AT_int): Likewise.
7535 (add_AT_unsigned): Likewise.
7536 (add_AT_long_long): Likewise.
7537 (add_AT_vec): Likewise.
7538 (add_AT_string): Likewise.
7539 (add_AT_die_ref): Likewise.
7540 (add_AT_fde_ref): Likewise.
7541 (add_AT_loc): Likewise.
7542 (add_AT_loc_list): Likewise.
7543 (add_AT_addr): Likewise.
7544 (add_AT_lbl_id): Likewise.
7545 (add_AT_lineptr): Likewise.
7546 (add_AT_macptr): Likewise.
7547 (add_AT_offset): Likewise.
7548 (add_AT_range_list): Likewise.
7549 (get_AT): Use VEC_iterate.
7550 (remove_AT): Use VEC_ordered_remove.
7551 (free_die): Fold remove_children into here; have it use VEC_iterate.
7552 (print_die): Use VEC_iterate on attrs.
7553 (reverse_die_lists): Don't reverse attr lists.
7554 (die_checksum): Use VEC_iterate on attrs.
7555 (same_die_p): Likewise.
7556 (output_location_lists): Likewise.
7557 (build_abbrev_table): Likewise.
7558 (size_of_die): Likewise.
7559 (unmark_all_dies): Likewise.
7560 (output_abbrev_section): Likewise.
7561 (output_die): Likewise.
7562 (prune_unused_types_walk_attribs): Likewise.
7564 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7566 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7568 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7571 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7573 2006-04-09 Roger Sayle <roger@eyesopen.com>
7575 * expr.c (store_constructor): Don't bother clearing target if
7576 we're about to assign a vector to it using vec_init_optab.
7578 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7580 * tree-ssa-alias.c (lhs_may_store_to): New function.
7581 (recalculate_used_alone): Handle LHS of calls.
7583 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7587 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7588 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7589 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7590 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7591 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7592 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7593 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7594 stubs. Add ".align 8" directives before all ".dword" directives.
7595 (GTHREAD_USE_WEAK): Revise comment.
7596 (TARGET_ATTRIBUTE_WEAK): Define.
7597 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7598 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7599 * stublib.c: New file.
7604 * pa.md (cbranch patterns): Revise arguments used in calls to
7605 output_cbranch, output_bb and output_bvd. Add long branch length
7607 (fbranch patterns): Handle long branches.
7608 (jump): Revise length check. Revise arguments for output_lbranch call.
7609 Add long branch length attributes.
7610 (decrement_and_branch_until_zero): Add long branch length attributes.
7611 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7612 Likewise. Revise arguments for output_parallel_addb and
7613 output_parallel_movb calls.
7614 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7615 output_parallel_movb and output_parallel_addb): Update prototypes.
7616 * pa.c (output_cbranch): Revise arguments. Correct handling of
7617 nullification in long branches.
7618 (output_lbranch): Add new argument to control extraction of delay
7620 (output_bb): Handle long branches.
7621 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7622 output_parallel_addb): Likewise.
7624 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7626 PR rtl-optimization/27073
7627 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7630 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7632 * tree.h (tree_memory_tag): Add old_used_alone.
7633 (SMT_OLD_USED_ALONE): New macro.
7634 * tree-ssa-alias.c (recalculate_used_alone): Stop
7635 marking things for renaming unnecessarily.
7637 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7639 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7640 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7641 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7642 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7643 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7644 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7645 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7646 spelling convensions.
7647 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7648 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7649 typos. Follow spelling conventions.
7651 2006-04-07 DJ Delorie <dj@redhat.com>
7653 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7654 passed on the stack.
7655 (m32c_init_cumulative_args): When a function returns a structure,
7656 always pass the pointer to that return area on the stack.
7657 (m32c_function_arg_advance): Don't increment the parameter number
7658 if we're processing the returned structure pointer.
7659 (pushm_info): Reverse order of registers.
7661 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7663 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7664 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7665 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7666 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7668 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7669 chrec_fold_multiply): Same.
7670 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7671 force_expr_to_var_cost): Same.
7672 * tree-mudflap.c (mf_xform_derefs_1): Same.
7673 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7675 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7677 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7678 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7681 2006-04-07 Jan Hubicka <jh@suse.cz>
7683 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7685 2006-04-07 Richard Guenther <rguenther@suse.de>
7687 PR tree-optimization/26135
7688 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7689 loads for store copy-prop.
7690 (copy_prop_visit_stmt): Likewise.
7692 2006-04-05 Robert Millan <robertmh@gnu.org>
7694 * config/i386/linux.h: Add a comment to mark macros that are
7695 being overriden in config/k*bsd-gnu.h.
7696 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7698 * config/knetbsd-gnu.h: Ditto.
7700 2006-04-06 Jan Hubicka <jh@suse.cz>
7704 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7707 2006-04-06 Mike Stump <mrs@apple.com>
7709 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7710 for HAVE_nonlocal_goto to be consistent.
7711 (expand_builtin_nonlocal_goto): Likewise.
7712 (expand_builtin_strcmp): Use #ifdef instead of #if
7713 for HAVE_cmpstrnsi to be consistent.
7715 2006-04-05 DJ Delorie <dj@redhat.com>
7717 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7720 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7722 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7723 got-relative addressing for anything but SImode.
7725 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7726 even if the calling function doesn't modify them.
7728 2006-04-05 Richard Guenther <rguenther@suse.de>
7730 PR tree-optimization/26919
7731 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7732 to cgraph_estimate_size_after_inlining.
7734 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7736 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7738 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7740 PR tree-optimization/26996
7741 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7742 VECTOR_TYPE variables.
7744 2006-04-05 Richard Guenther <rguenther@suse.de>
7746 PR tree-optimization/26763
7747 * fold-const.c (fold_comparison): Move folding of
7748 PTR + CST CMP PTR + CST ...
7749 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7751 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7753 * doc/install.texi (Prerequisites): Refine some wording on
7754 bootstrapping and ksh.
7755 Move the version numbers of DejaGnu here from the testing section
7756 and fix casing of names.
7757 Fix markup and clarify wording for autogen requirements.
7758 Refer to GCJ instead of just java.
7759 Refer to SVN instead of CVS.
7760 Describe diffutils as useful instead of necessary.
7761 (Downloading the source): Refer to SVN instead of CVS.
7762 Adjust a link to our web site accordingly.
7763 (Configuration): Fix casing of Bison.
7764 (Building): Refer to SVN instead of CVS.
7765 Fix a sentence on the use of Bison and remove duplicate (and
7766 incorrect) version number of Bison requirement.
7767 Remove one redundant list of packages needed for building.
7768 (Specific): Avoid reference to CVS.
7770 2006-04-04 Eric Christopher <echristo@apple.com>
7772 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7773 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7774 (rs6000_handle_struct_attribute): New.
7775 (rs6000_ms_bitfield_layout_p): Ditto.
7777 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7779 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7780 NULL for dso parameter to atexit_common.
7782 2006-04-04 Eric Christopher <echristo@apple.com>
7784 * config/i386/i386.c (machopic_output_stub): Output \t
7785 between instructions and operands.
7787 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7789 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7790 satisfies_constraint_[IL] to explicit tests on value.
7792 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7794 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7795 set_nb_iterations_in_loop): Use build_int_cst instead of
7797 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7798 build_int_cst instead of convert.
7800 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7802 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7803 new value 2 for incoming.
7804 * function.c (expand_function_start): Call struct_value_rtx
7806 * config/sparc/sparc.md: Comment updated_return.
7807 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7808 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7809 struct return if sparc_std_struct_return and incoming is 2.
7810 (print_operand): Do not adjust return if
7811 sparc_std_struct_return.
7813 2006-04-04 Roger Sayle <roger@eyesopen.com>
7815 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7816 convert in the middle-end.
7817 * expr.c (store_expr, store_constructor, get_inner_reference,
7818 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7820 * tree.c (build_range_type): Likewise.
7822 2006-04-04 Tom Tromey <tromey@redhat.com>
7824 * doc/install.texi (Prerequisites): Mention jar.
7826 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7828 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7831 2006-04-04 Matthias Klose <doko@debian.org>
7833 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7837 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7840 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7842 * doc/extend.texi (Function Attributes): Rewrite visibility
7843 attribute documentation.
7844 * doc/invoke.texi (C++ Dialect Options): Rewrite
7845 -fvisibility-inlines-hidden documentation to describe something
7846 entirely different, although in practise compatible.
7847 (Code Gen Options): Warn about system headers in -fvisibility=
7850 * doc/extend.texi (Other Builtins): Document that
7851 __builtin_nan is a compile-time constant only when its argument
7854 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7856 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7857 trying to remove TRUNCATE check if all bits outside the new mode
7858 are identical to the sign bit.
7860 2006-04-03 Jeff Law <law@redhat.com>
7862 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7863 and operand scanning in some common cases.
7865 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7866 Dale Johannesen <dalej@apple.com>
7869 * regclass.c (struct reg_pref): Update documentation.
7870 (regclass): Set prefclass to NO_REGS if memory is the best option.
7871 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7872 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7873 into account. For non-registers, equate an empty preferred
7874 reload class to a `!' in the constraint; move the if clause to
7875 do so after those that reject the insn.
7876 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7878 (find_dummy_reload): Likewise.
7879 * doc/tm.texi (Register Classes): Document what it means
7880 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7881 * config/i386/i386.c (ix86_preferred_reload_class): Force
7882 using SSE registers (and return NO_REGS for floating-point
7883 constants) if math is done with SSE.
7884 (ix86_preferred_output_reload_class): New.
7885 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7886 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7887 * config/i386/i386.md: Remove # register preferences.
7889 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7892 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7893 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7894 the type of nb_iter.
7895 (instantiate_parameters_1): Convert the operands before calling
7896 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7897 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7899 2006-04-02 Roger Sayle <roger@eyesopen.com>
7901 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7902 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7904 * dojump.c (do_jump): Likewise.
7905 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7906 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7907 gimplify_boolean_expr): Likewise.
7908 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7909 * varasm.c (array_size_for_constructor): Likewise.
7910 * tree-object-size.c (compute_object_offset): Likewise.
7912 2006-04-02 Roger Sayle <roger@eyesopen.com>
7915 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7916 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7918 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7920 PR tree-optimization/26939
7921 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7923 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7925 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7926 at_stmt. Convert the type of operands before calling
7927 build_polynomial_chrec.
7928 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7930 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7931 (instantiate_parameters_1): Convert the type of operands before calling
7932 build_polynomial_chrec.
7933 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7934 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7935 reset_evolution_in_loop): Insert asserts to check the types of the
7937 (chrec_type): Moved...
7938 (eq_evolutions_p): Use operand_equal_p.
7939 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7940 the types of the operands.
7941 (chrec_type): ...here.
7942 * tree-data-ref.c (create_data_ref): Convert the operands before
7943 calling chrec_replace_initial_condition.
7944 (same_access_functions, analyze_subscript_affine_affine,
7945 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7946 (compute_subscript_distance, analyze_ziv_subscript,
7947 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7948 analyze_miv_subscript): Convert the operands before calling
7949 chrec_fold_minus or chrec_fold_plus.
7951 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7953 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7954 the dependence_relations vector.
7955 (compute_data_dependences_for_loop): Adjust call to
7956 compute_all_dependences.
7958 2006-04-01 Roger Sayle <roger@eyesopen.com>
7959 Richard Henderson <rth@redhat.com>
7961 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7962 gimple_boolify on the condition before calling gimplify_expr.
7964 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7966 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7967 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7968 the frame size. Update to use the new macros.
7969 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7970 * config/xtensa/ieee754-df.S: Likewise.
7972 2006-03-31 Richard Henderson <rth@redhat.com>
7974 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7975 (make_edges): ... here. Control fallthru creation with a local
7976 variable. Do not play with fake edges.
7977 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7978 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7981 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7983 * dwarf2.h (DW64_CIE_ID): Define.
7984 * dwarf2out.c (DWARF_CIE_ID): Define.
7985 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7986 length header. Use DWARF_CIE_ID.
7987 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7988 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7990 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7992 * config/sh/linux-atomic.asm: New file.
7993 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7995 2006-03-31 DJ Delorie <dj@redhat.com>
7997 * config/m32c/cond.md: Set condition flags properly throughout.
7998 * config/m32c/minmax.md: Likewise.
7999 * config/m32c/prologue.md: Likewise.
8000 * config/m32c/bitops.md: Likewise.
8001 * config/m32c/muldiv.md: Likewise.
8002 * config/m32c/mov.md: Likewise.
8003 * config/m32c/addsub.md: Likewise.
8004 * config/m32c/m32c.md: Likewise.
8005 * config/m32c/jump.md: Likewise.
8006 * config/m32c/shift.md: Likewise.
8008 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8009 conditionally output the pattern for this.
8010 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8011 (m32c_compare_redundant): New.
8012 (m32c_output_compare): New.
8013 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8015 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8016 dest, not src. Allow other 4-byte modes.
8018 2006-03-30 Denis Chertykov <denisc@overta.ru>
8020 * doc/md.texi: Refer to avr/constraints.md instead of
8023 2006-03-30 Roger Sayle <roger@eyesopen.com>
8025 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8026 signed vs. unsigned comparison failures on some hosts.
8028 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8031 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8032 change to FLOAT_REGS.
8034 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8035 (rs6000_override_options): Use it.
8036 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8037 only for -mabi=spe/no-spe and -mabi=altivec.
8039 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8041 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8044 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8046 * Makefile.in: Rename docdir to gcc_docdir.
8048 2006-03-30 Roger Sayle <roger@eyesopen.com>
8051 * expr.c (emit_group_store): Optimize group stores into a pseudo
8052 register by using a paradoxical subreg to initialize the destination
8053 if the first or last member of the group specifies a "low part".
8055 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8058 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8059 * target.h (struct gcc_target.speculate_insn): Change type of the
8060 second parameter to 'int'.
8061 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8062 the second operand of the DEPS_LIST.
8063 (copy_DEPS_LIST_list): Update reference to the second operand of the
8065 * rtl.h (alloc_DEPS_LIST): Update signature.
8066 * sched-int.h (ds_t): Change typedef to 'int'.
8067 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8069 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8071 * haifa-sched.c (try_ready): Change condition to restore
8072 non-speculative pattern of the instruction.
8073 (process_insn_depend_be_in_spec): Code to keep probability of the
8074 speculative dependence non-decreasing.
8076 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8078 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8079 (single_move_for_movmem): ... this. Also change all uses.
8080 (bfin_expand_strmov): Renamed to...
8081 (bfin_expand_movmem): ... this. Also change all uses.
8082 * config/bfin/bfin.md (movstrsi): Renamed to...
8083 (movstrsi): ...this.
8085 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8087 PR tree-optimization/26830
8089 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8090 (copy_prop_visit_stmt): Remove write-only variable ann.
8091 (init_copy_prop): Check variable loop depth here. Do not simulate
8092 memory-tag and virtual operand PHIs except for store copy prop.
8094 2006-03-30 Richard Guenther <rguenther@suse.de>
8096 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8097 variants with double arguments.
8099 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8101 * genpreds.c (write_tm_constrs_h): Delete variable p.
8102 * genconditions.c (write_header): Add tm-constrs.h to included
8104 * genpeep.c (main): Add toplev.h to included headers.
8105 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8106 (build/genpeep.o): Add toplev.h dependency.
8107 * config/rs6000/constraints.md: Add "W" constraint.
8109 2006-03-29 Roger Sayle <roger@eyesopen.com>
8111 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8112 sizes by correctly testing whether the size fits a host integer.
8113 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8114 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8115 SImode range for the default sizetype and bitsizetype.
8117 2006-03-29 Roger Sayle <roger@eyesopen.com>
8119 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8120 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8121 quickly if the argument is already of the correct type.
8122 Call fold_build1 instead of build1. Tidy up blank lines.
8124 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8126 * genemit.c (main): Add tm-constrs.h to included headers.
8127 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8128 * genpeep.c (main): Add tm-constrs.h to included headers.
8129 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8130 (write_tm_constrs_h): this and write complete file.
8131 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8132 (write_insn_preds_c): Add tm-constrs.h to included headers.
8133 (gen_constrs): New variable.
8134 (parse_option): Parse "-c".
8135 (main): Invoke write_tm_constrs_h.
8136 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8137 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8138 (object_out_file): Add tm-constrs.h dependency.
8139 (insn-emit.o): Same.
8140 (insn-output.o): Same.
8141 (insn-peep.o): Same.
8142 (insn-preds.o): Same.
8143 (insn-recog.o): Same.
8144 (tm-constsr.h): New target.
8145 (s-constrs-h): New target.
8147 * config/rs6000/constraints.md: New file.
8148 * config/rs6000/rs6000.c: Include tm-constrs.h.
8149 (num_insn_constant_wide): Convert to satisfies_constraint.
8150 (rs6000_rtx_costs): Convert to satisfies_constraint.
8151 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8152 (CONST_OK_FOR_LETTER_P): Delete.
8153 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8154 (EXTRA_CONSTRAINT): Delete.
8155 (EXTRA_MEMORY_CONSTRAINT): Delete.
8156 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8157 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8158 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8159 satisfies_constraint.
8161 * config/i386/i386.c: Include tm-constrs.h.
8163 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8165 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8166 * tree-data-ref.c (find_data_references_in_loop,
8167 compute_data_dependences_for_loop): Use pointers to VEC.
8168 (analyze_all_data_dependences): Adjust calls.
8169 * tree-data-ref.h (find_data_references_in_loop,
8170 compute_data_dependences_for_loop): Adjust declarations.
8171 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8172 compute_data_dependences_for_loop.
8174 2006-03-29 Paul Brook <paul@codesourcery.com>
8176 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8179 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8181 PR tree-optimization/26859
8182 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8184 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8185 for the step after fold_convert.
8187 2006-03-29 Paul Brook <paul@codesourcery.com>
8189 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8190 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8192 2006-03-29 Paul Brook <paul@codesourcery.com>
8195 * targhooks.c (default_narrow_bitfield): New fuction.
8196 * targhooks.h (default_narrow_bitfield): add prototype.
8197 * target.h (gcc_target): Add narrow_volatile_bitfield.
8198 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8199 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8200 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8201 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8203 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8205 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8207 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8208 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8209 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8210 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8211 (s390_function_arg_float): Allow SDmode and DDmode values to be
8212 passed in floating point registers.
8213 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8214 check with SCALAR_FLOAT_MODE_P.
8215 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8217 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8219 PR tree-optimization/25985
8220 * tree-ssa-loop-niter.c (number_of_iterations_le,
8221 number_of_iterations_ne): Make comments more precise.
8222 (number_of_iterations_cond): Add only_exit argument. Use the
8223 fact that signed variables do not overflow only when only_exit
8225 (loop_only_exit_p): New.
8226 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8227 number_of_iterations_cond.
8229 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8231 PR tree-optimization/26643
8232 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8235 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8237 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8238 (divsi3_i4_int): Likewise.
8240 2006-03-28 Roger Sayle <roger@eyesopen.com>
8242 * expr.c (emit_group_store): Only create a new pseudo reg if the
8243 quantity it needs to hold isn't already a suitable pseudo.
8245 2006-03-28 Jeff Law <law@redhat.com>
8247 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8248 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8250 2006-03-28 Roger Sayle <roger@eyesopen.com>
8252 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8253 the equivalent ~X & Y, and the symmetry related transformations.
8254 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8255 ~X & Y, and symmetry related transforms.
8257 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8259 Revert my 2006-03-27 patches.
8261 2006-03-28 Roger Sayle <roger@eyesopen.com>
8263 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8264 ~(T1)X, when T1 and T2 are integer types of the same precision
8265 and (T2)X isn't an extension.
8267 2006-03-28 Jeff Law <law@redhat.com>
8269 PR tree-optimization/26796
8270 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8271 need EH edge cleanups rather than purging them immediately.
8272 (eliminate_degenerate_phis): Handle queued EH cleanups.
8274 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8276 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8279 2006-03-27 Roger Sayle <roger@eyesopen.com>
8282 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8283 cast BIT_NOT_EXPR operand to the correct type.
8285 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8287 * tree-loop-linear.c: Don't include varray.h.
8288 (gather_interchange_stats, try_interchange_loops,
8289 linear_transform_loops): Use VEC instead of VARRAY.
8290 * lambda-mat.c: Don't include varray.h.
8291 * tree-chrec.c: Same.
8292 * lambda-trans.c: Same.
8293 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8294 VEC instead of VARRAY.
8295 * tree-vectorizer.h: Idem.
8296 * tree-data-ref.c (dump_data_references,
8297 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8298 initialize_data_dependence_relation, finalize_ddr_dependent,
8299 compute_all_dependences, find_data_references_in_loop,
8300 compute_data_dependences_for_loop, analyze_all_data_dependences,
8301 free_dependence_relation, free_dependence_relations,
8302 free_data_refs): Idem.
8303 * tree-data-ref.h (data_reference_p, subscript_p): New.
8304 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8305 VEC instead of VARRAY.
8306 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8307 (find_data_references_in_loop, compute_data_dependences_for_loop,
8308 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8309 dump_data_dependence_relations, free_dependence_relations,
8310 free_data_refs): Adjust declaration.
8311 (lambda_transform_legal_p): Move declaration here...
8312 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8313 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8314 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8315 vect_analyze_data_refs): Use VEC instead of VARRAY.
8316 * lambda.h (lambda_transform_legal_p): ...from here.
8317 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8318 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8319 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8320 tree-chrec.o): Don't depend on VARRAY_H.
8322 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8324 * rtl.def (Copyright): Update date.
8325 (DEPS_LIST): Change type of the second operand to 'int'.
8326 * target.h (Copyright): Update date.
8327 (struct gcc_target.speculate_insn): Change type of the second parameter
8329 * lists.c (Copyright): Update date.
8330 (alloc_DEPS_LIST): Change signature. Update reference to the second
8331 operand of the DEPS_LIST.
8332 (copy_DEPS_LIST_list): Update reference to the second operand of the
8334 * rtl.h (Copyright): Update date.
8335 (alloc_DEPS_LIST): Update signature.
8336 * sched-int.h (Copyright): Update date.
8337 (ds_t): Change typedef to 'int'.
8338 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8340 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8342 * haifa-sched.c (Copyright): Update date.
8343 (try_ready): Change condition to restore non-speculative pattern
8345 (process_insn_depend_be_in_spec): Code to keep probability of the
8346 speculative dependence non-decreasing.
8348 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8350 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8351 shut up the compiler.
8353 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8355 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8356 to use lib prefix for target.
8357 ($(T)libic_invalidate_array_4-200.a): Likewise.
8358 ($(T)libic_invalidate_array_4a.a): Likewise.
8360 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8361 J"orn Rennecke <joern.rennecke@st.com>
8363 * superh.opt: New file.
8364 * sh.c (boardtype, osruntime): Remove.
8365 * superh.h (SUBTARGET_OPTIONS): Remove.
8366 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8368 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8369 arguments with ^ and/or [].
8371 * config.gcc (sh-*-*): Add quoting to account for quirk of
8373 Replace == with = in enable_incomplete_targets test.
8375 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8376 with MASK_LITTLE_ENDIAN.
8378 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8379 * config/sh/sh.opt: Added to some comments.
8380 * config/sh/superh.h: Removed some chaff.
8382 * config/sh/sh.opt: Add m4-[1234]00* options.
8383 * config/sh/sh.c (sh_handle_option): Likewise.
8384 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8385 (ic_invalidate_array_4-100.o): New rule.
8386 ($(T)libic_invalidate_array_4-100.a): Likewise.
8387 (ic_invalidate_array_4-200.o): Likewise.
8388 ($(T)libic_invalidate_array_4-200.a): Likewise.
8389 (ic_invalidate_array_4a.o): Likewise.
8390 ($(T)libic_invalidate_array_4a.a): Likewise.
8391 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8392 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8394 * config/sh/crt1.asm: Merged in profiling code.
8395 * config/sh/superh.h (STARTFILE_SPEC): Override.
8396 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8397 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8398 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8400 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8401 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8402 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8404 * sh.opt (mpretend-cmove): New option.
8405 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8406 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8407 (movsicc): Add TARGET_PRETEND_CMOVE code.
8409 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8411 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8412 s390_class_max_nregs): New function prototypes.
8413 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8414 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8415 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8416 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8418 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8420 * dwarf2out.c (add_location_or_const_value_attribute): Call
8421 tree_add_const_value_attribute if nothing else works.
8422 (reference_to_unused): New.
8423 (rtl_for_decl_init): Use reference_to_unused to decide whether
8424 to output an initializer.
8426 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8429 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8430 peephole removing spe frob_di_df_2.
8432 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8434 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8435 (subscript_dependence_tester_1): Declared.
8436 (print_dir_vectors, print_dist_vectors): New.
8437 (debug_data_dependence_relation): New.
8438 (dump_data_dependence_relation): Print more details.
8439 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8440 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8441 (save_dist_v, save_dir_v, add_outer_distances,
8442 build_classic_dist_vector_1): New.
8443 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8444 Don't test for lambda_vector_lexico_pos.
8445 (same_access_functions, add_multivariate_self_dist,
8446 add_other_self_distances, dir_from_dist): New.
8447 (build_classic_dir_vector): Replace implementation almost identical to
8448 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8450 (subscript_dependence_tester_1): New.
8451 (subscript_dependence_tester): Handle the lexicographically negative
8452 distance vectors by recomputing the dependence relation.
8453 (compute_affine_dependence): Remove parameter loop_nest_depth.
8454 (compute_self_dependence): Don't call compute_subscript_distance.
8455 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8456 Add a parameter for the loop_nest.
8457 (find_loop_nest_1, find_loop_nest): New.
8458 (compute_data_dependences_for_loop): Compute the loop nest, and give
8459 up if the nest is not well formed.
8460 * tree-data-ref.h (loop_p): New.
8461 (struct data_dependence_relation): Replace size_vect field with
8462 loop_nest, a vec of loops.
8463 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8464 (DDR_LOOP_NEST): New.
8465 (print_dir_vectors, print_dist_vectors,
8466 debug_data_dependence_relation): Declared.
8467 (index_in_loop_nest): New.
8468 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8469 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8472 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8474 * simplify-rtx.c (simplify_relational_operation): Call
8475 simplify_relational_operation_1 even if mode is VOIDmode.
8477 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8479 PR tree-optimization/26804
8480 * tree.h (DECL_CALL_CLOBBERED): New macro.
8481 (tree_decl_common): Add call_clobbered_flag.
8482 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8483 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8484 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8485 (mark_non_addressable): Ditto.
8486 * tree-ssa.c (verify_call_clobbered): New function.
8487 (verify_alias_info): Use it.
8488 * tree-pass.h (pass_reset_cc_flags): New prototype.
8489 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8490 (reset_cc_flags): New function.
8491 * passes.c (init_optimization_passes): Call reset_cc_flags after
8492 initializing referenced_vars.
8494 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8495 Roger Sayle <roger@eyesopen.com>
8498 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8499 to 1.0 for non-real operands. Implement A / A optimization for
8502 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8504 * config/i386/i386.c (size_cost): Correct the comment for
8505 cost of storing fp registers.
8506 (i386_cost): Likewise.
8507 (i486_cost): Likewise.
8508 (pentium_cost): Likewise.
8509 (pentiumpro_cost): Likewise.
8510 (k6_cost): Likewise.
8511 (athlon_cost): Likewise.
8512 (k8_cost): Likewise.
8513 (pentium4_cost): Likewise.
8514 (nocona_cost): Likewise.
8515 (generic64_cost): Likewise.
8516 (generic32_cost): Likewise.
8518 2006-03-24 Denis Chertykov <denisc@overta.ru>
8520 * config/avr/avr-protos.h (extra_constraint): Delete.
8521 (extra_constraint_Q): New declaration.
8522 * config/avr/constraints.md: New file.
8523 * config/avr/avr.md: Include it.
8524 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8525 (TMP_REGNO, ZERO_REGNO): Likewise.
8526 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8527 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8528 (extra_constraint): Delete.
8529 (extra_constraint_Q): Test for memory constraint 'Q'.
8530 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8531 (REG_CLASS_FROM_LETTER): Delete.
8532 (CONST_OK_FOR_LETTER_P): Delete.
8533 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8534 (EXTRA_CONSTRAINT): Delete.
8535 (TMP_REGNO): Delete.
8536 (ZERO_REGNO): Delete.
8538 2006-03-24 Jeff Law <law@redhat.com>
8540 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8541 directly. Call mark_new_vars_to_rename slightly earlier.
8543 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8545 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8547 (gen_compile_unit_die): Use new language types for Objective-C and
8549 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8550 DW_LANG_C_plus_plus.
8553 * config/t-darwin (crt3.o): Work around bug 26840.
8554 * config/darwin-crt3.c: Rewrite.
8555 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8557 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8559 * doc/invoke.texi: Document -femit-class-debug-always
8560 * common.opt: Add -femit-class-debug-always.
8562 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8564 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8565 index and base register.
8566 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8567 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8568 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8569 REGNO_OK_FOR_INDEX_P.
8570 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8572 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8573 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8574 REG_OK_FOR_BASE_P): Definitions removed.
8576 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8579 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8580 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8581 set yet or weren't marked as local yet.
8583 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8585 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8588 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8590 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8591 (rs6000_legitimate_small_data_p): Delete.
8592 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8593 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8594 and make static. Add forward declaration. Update uses.
8595 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8596 of offsettable_memref_p.
8597 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8598 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8600 2006-03-24 Jeff Law <law@redhat.com>
8602 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8603 around bug in immediate-use iterator.
8605 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8608 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8609 or __LITTLE_ENDIAN__.
8611 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8613 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8614 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8615 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8616 * config/sh/sh.opt (mdiv=): Amend description.
8617 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8618 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8619 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8620 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8621 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8622 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8623 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8624 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8625 TARGET_DIVIDE_CALL_FP.
8627 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8629 * haifa-sched.c (choose_ready): Fix type of the local variable.
8630 Move local variables. Add comment.
8631 (check_reg_live): Change signature. Make callable from debugger.
8632 * sched-int.h (check_reg_live): Update signature.
8633 * sched-ebb.c (check_reg_live): Update parameters.
8634 * sched-rgn.c (check_reg_live): Ditto.
8635 (region_head_or_leaf_p): Check pointer before dereferencing.
8636 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8637 before reload on optimization levels below 1.
8639 2006-03-23 Richard Henderson <rth@redhat.com>
8641 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8645 * config/alpha/predicates.md (local_symbolic_operand): Reject
8648 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8651 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8652 expressions which have overflowed constants.
8654 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8656 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8658 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8660 * cfgloopmanip.c (create_loop_notes): Removed.
8661 * final.c (final_scan_insn): Do not handle loop notes.
8662 * jump.c (squeeze_notes): Ditto.
8663 * cfglayout.c (skip_insns_after_block,
8664 duplicate_insn_chain): Ditto.
8665 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8667 * cfgloop.h (create_loop_notes): Declaration removed.
8669 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8671 * varasm.c (output_constant_pool): Restore fnname and fndecl
8673 (assemble_start_function): Adjust call accordingly.
8674 (assemble_end_function): Likewise.
8676 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8679 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8682 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8684 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8687 * system.h (ICE_EXIT_CODE): New macro.
8688 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8689 (diagnostic_action_after_output): Likewise.
8690 * gcc.c (fatal_ice): New function.
8691 (execute): Use it instead of fatal.
8692 (fancy_abort): Likewise.
8693 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8695 2006-03-22 Jeff Law <law@redhat.com>
8697 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8698 iv_analyze_result returning false.
8700 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8702 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8704 2006-03-22 Richard Henderson <rth@redhat.com>
8707 * except.c (duplicate_eh_regions_0): New.
8708 (duplicate_eh_region_1): Duplicate the children of the node as
8709 well as the node itself. Link them up properly.
8710 (duplicate_eh_region_2): Merge into ...
8711 (duplicate_eh_regions): ... here. Take copy_region argument, and
8712 copy only a sub-tree if asked. Simplify copying and fixup.
8713 (eh_region_outer_p): New.
8714 * except.h (duplicate_eh_regions): Update decl.
8715 (eh_region_outer_p): Declare.
8716 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8717 (lower_omp_master): Likewise.
8718 (lower_omp_ordered): Likewise.
8719 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8720 (move_stmt_r): Use it to remap labels. Handle recursion vs
8721 remap_decls_p properly.
8722 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8723 (find_outermost_region_in_block): New.
8724 (new_label_mapper): New.
8725 (move_sese_region_to_fn): Copy eh information to the new function
8727 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8729 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8732 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8734 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8735 into shared libraries.
8737 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8739 * doc/md.texi: Refer to i386/constraints.md instead of
8741 * config/i386/constraints.md: New file, extracted from...
8742 * config/i386/predicates.md: ...here.
8743 * config/i386/i386.md: Include constraints.md.
8745 2006-03-21 Jason Merrill <jason@redhat.com>
8747 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8750 * expr.c (init_block_move_fn): Force default visibility.
8751 (init_block_clear_fn): Likewise.
8752 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8753 * targhooks.c (default_external_stack_protect_fail): Likewise.
8755 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8757 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8758 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8759 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8760 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8761 (loadgp): Use mips_current_loadgp_style.
8762 (loadgp_noshared): New pattern.
8763 (sibcall_internal): Use MIPS_CALL.
8764 (sibcall_value_internal): Likewise.
8765 (sibcall_value_multiple_internal): Likewise.
8766 (call_internal): Likewise.
8767 (call_value_internal): Likewise.
8768 (call_value_multiple_internal): Likewise.
8769 (call_split): Use MIPS_CALL and add an 'S' constraint.
8770 (call_value_split): Likewise.
8771 (call_value_multiple_split): Likewise.
8772 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8773 (-mshared): New option.
8774 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8775 (mips_current_loadgp_style): Declare.
8776 * config/mips/mips.c (mips_classify_symbol): Avoid using
8777 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8778 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8779 TARGET_ABSOLUTE_ABICALLS.
8780 (override_options): Adjust comments. Improve the warning that is
8781 issued when -mabicalls and -G are used together.
8782 (mips_file_start): Remove comment.
8783 (mips_current_loadgp_style): New function.
8784 (mips_gnu_local_gp): New variable.
8785 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8787 (mips_output_function_prologue): Use mips_current_laodgp_style.
8788 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8789 the cprestore instruction.
8790 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8791 live for TARGET_ABSOLUTE_ABICALLS.
8792 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8793 (ASM_SPEC): Pass down -mshared and -mno-shared.
8794 (MIPS_CALL): New macro.
8795 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8797 * doc/invoke.texi (-mabicalls): Update documentation.
8798 (-mshared): Document.
8800 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8802 * config/ia64/unwind-hpux.c: New file.
8803 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8805 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8808 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8810 2006-03-21 Jeff Law <law@redhat.com>
8812 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8813 type conversions of a VR_VARYING source to a wider type.
8815 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8817 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8818 tm_file on Solaris 10 and later.
8819 (sparc64-*-solaris2*): Likewise.
8820 (sparc-*-solaris2*): Likewise.
8821 * config/sol26.h: Rename to config/sol2-6.h.
8822 * config/sol2-10.h: New file.
8824 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8827 * tree-ssa-pre.c (create_component_ref_by_pieces):
8830 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8833 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8834 return it immediately.
8836 2006-03-21 Michael Matz <matz@suse.de>
8838 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8840 (remove_arc, add_arc): Update num_out_arcs member.
8841 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8843 (cache_presence): New function.
8844 (compare_states_for_equiv): New function.
8845 (state_is_differed): Don't take number of outargs, adjust callers.
8846 Use new invariant for speeding up.
8847 (init_equiv_class): Create initial classes based on sorted
8849 (partition_equiv_class): Don't track out_arcs_num.
8850 (evaluate_equiv_classes): Call cache_presence on all states and
8853 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8855 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8856 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8857 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8858 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8860 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8861 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8862 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8863 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8864 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8866 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8867 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8868 (REGNO_REG_CLASS): ARGP is in PREGS.
8869 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8871 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8872 to deal with those addresses.
8873 * addresses.h: New file.
8874 * caller-save.c: Include "addresses.h".
8875 (init_caller_save): Use new base_reg_class function.
8876 * rtl-factoring.c: Include "addresses.h".
8877 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8878 * recog.c: Include "addresses.h".
8879 (preprocess_constraints): Use new base_reg_class function.
8880 * regrename.c: Include "addresses.h".
8881 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8882 functions. Keep track of a new var INDEX_CODE to compute valid
8884 (replace_oldest_value_addr): Likewise.
8885 (replace_oldest_value_mem): Use base_reg_class.
8886 * reload.c: Include "addresses.h".
8887 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8888 (find_reloads): Use new base_reg_class function.
8889 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8890 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8891 all callers and prototype changed.
8892 * reload1.c: Include "addresses.h".
8893 (maybe_fix_stack_asms): Use base_reg_class.
8894 * regclass.c: Include "addresses.h".
8895 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8896 (init_reg_autoinc): Use new base_reg_class function.
8897 (record_reg_classes): Likewise.
8898 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8899 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8900 Use new args to compute necessary class.
8902 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8903 regrename.o, rtl-factoring.o): Update dependencies.
8904 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8905 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8906 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8907 REG_OK_FOR_INDEX_P): Delete documentation.
8909 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8911 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8912 from V7 to V9 for Solaris 7 and above.
8914 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8916 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8917 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8918 argument pointers may not alias any other storage.
8919 * common.opt: Define option -fargument-noalias-anything.
8920 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8921 alias semantics is specified by flag_argument_noalias > 2.
8923 2006-03-20 Jeff Law <law@redhat.com>
8925 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8926 (pass_phi_only_cprop): Declare.
8927 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8929 * tree-ssa-dom.c (degenerate_phi_result): New function.
8930 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8931 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8932 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8933 (eliminate_degenerate_phis): Likewise.
8934 (pass_phi_only_cprop): New pass descriptor.
8935 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8936 support code. Callers updated.
8937 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8938 (store_copy_prop): Likewise.
8939 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8941 2006-03-20 Jason Merrill <jason@redhat.com>
8944 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8945 (push_visibility, pop_visibility): Likewise.
8946 * c-pragma.h: Declare them.
8948 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8950 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8952 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8953 parameter and use get_ebb_head_tail.
8954 (sh_md_init_global): Adjust uses of find_regmode_weight.
8956 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8958 * function.h (struct function) <x_tail_recursion_reentry>:
8959 Rename to x_stack_check_probe_note.
8960 (tail_recursion_reentry): Rename to stack_check_probe_note.
8961 * function.c: Replace tail_recursion_reentry with
8962 stack_check_probe_note everywhere.
8963 (expand_function_start): Only emit a note for
8964 stack_check_probe_note with -fstack-protect.
8965 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8967 * emit-rtl.c (remove_unnecessary_notes): Remove.
8968 (pass_remove_unnecessary_notes): Remove.
8969 * rtl.h (remove_unnecessary_notes): Remove prototype.
8970 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8971 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8972 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8974 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8977 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8978 (valid_in_set): Handle ARRAY_REF.
8979 Change "if min_variant or VH" to asserts.
8980 (create_component_ref_by_pieces): Handle ARRAY_REF.
8981 (create_expression_by_pieces): Likewise.
8982 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8984 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8986 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8987 is operand of switch, not str[0].
8989 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8991 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8992 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8994 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8996 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8997 end of insn_extra_address_constraint declaration.
8999 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9001 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9002 (no-sum-in-toc): Same.
9003 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9005 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9006 NO_FP_IN_TOC for -fPIC instead of mask.
9008 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9009 (BOOT_LDFLAGS): Delete.
9011 * config/rs6000/t-aix52: Same.
9013 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9014 (stmsi[345678]_power): New.
9016 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9018 * config/ia64/ia64.opt: Add empty line to end of file.
9020 2006-03-17 Richard Guenther <rguenther@suse.de>
9023 * builtins.c (get_pointer_alignment): For component style references
9024 adjust alignment to the component type alignment. Make sure
9025 to adjust alignment for component access of constants.
9027 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9029 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9032 2006-03-17 Paul Brook <paul@codesourcery.com>
9034 * doc/install.texi: Docuemnt --with-mode.
9035 * config.gcc: Add --with-mode for arm*-*-*.
9036 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9038 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9040 * sh.c (max_labelno_before_reorg): New variable.
9041 (sh_reorg): Initialize it.
9042 (find_barrier): Check max_labelno_before_reorg before using
9043 label_to_alignment. Take length of explicit alignment insns
9044 into account. When seeing a UNSPECV_CONST_END, return it.
9046 * sh.c (fixup_mova): Set mode of affected label to QImode.
9047 (untangle_mova): New function.
9048 (find_barrier): Use it. Check mode of label before decrementing
9050 (sh_reorg): Likewise.
9051 Set mode of all insns back to VOIDmode.
9053 * sh.c (MOVA_LABELREF): New macro.
9054 (mova_p, fixup_mova, sh_reorg): Use it.
9055 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9056 ADDR_DIFF_VEC matches mova.
9058 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9060 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9061 with ATTRIBUTE_UNUSED.
9063 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9065 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9066 pointer, instead of assuming it is possible to derive the
9067 correct args size from a call insn.
9069 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9071 * rtl.h (CONST_INT_P): Define.
9072 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9073 instead of GET_CODE(x) == CONST_INT.
9074 (vax_rtx_costs): Likewise.
9075 (vax_output_int_move): Likewise.
9076 (vax_output_int_add): Likewise.
9077 (legitimate_constant_address_p): Likewise.
9078 (index_term_p): Likewise.
9079 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9080 * config/vax/vax.md (and<mode>3): Likewise.
9081 (ashrsi3): Likewise.
9083 (movstricthi): Likewise.
9084 (movstrictqi): Likewise.
9085 (rotrsi3): Likewise.
9086 (five unnamed insns): Likewise.
9088 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9090 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9091 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9092 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9093 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9094 Pass to ASM_OUTPUT_DWARF_OFFSET.
9095 * dwarf2out.c (debug_frame_section): New.
9096 (output_call_frame_info): Use debug_frame_section. Pass it to
9097 dw2_asm_output_offset.
9098 (output_die): Pass appropriate section to dw2_asm_output_offset.
9099 (output_compilation_unit_header): Likewise.
9100 (output_pubnames): Likewise.
9101 (output_aranges): Likewise.
9102 (enum dw_val_class): Break dw_val_class_lbl_offset into
9103 dw_val_class_lineptr and dw_val_class_macptr.
9104 (add_AT_lbl_offset): Delete.
9105 (add_AT_lineptr): New.
9106 (add_AT_macptr): New.
9107 (AT_lbl): Expect a lineptr or macptr.
9108 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9109 (attr_checksum): Likewise.
9110 (same_dw_val_p): Likewise.
9111 (size_of_die): Likewise.
9112 (value_format): Likewise.
9113 (output_die): Likewise.
9114 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9116 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9117 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9118 * config/darwin-protos.h (darwin_file_start): New.
9119 (darwin_asm_output_dwarf_offset): New.
9120 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9121 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9123 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9124 if not EH section; simplify.
9125 (darwin_file_start): New.
9126 (darwin_asm_output_dwarf_offset): New.
9127 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9129 (DEBUG_INFO_SECTION): Likewise.
9130 (DEBUG_ABBREV_SECTION): Likewise.
9131 (DEBUG_ARANGES_SECTION): Likewise.
9132 (DEBUG_MACINFO_SECTION): Likewise.
9133 (DEBUG_LINE_SECTION): Likewise.
9134 (DEBUG_LOC_SECTION): Likewise.
9135 (DEBUG_PUBNAMES_SECTION): Likewise.
9136 (DEBUG_STR_SECTION): Likewise.
9137 (DEBUG_RANGES_SECTION): Likewise.
9138 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9139 (ASM_OUTPUT_DWARF_OFFSET): New.
9141 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9143 * config.gcc (tm_defines): Always add to previous value rather
9146 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9148 * config/mips/predicates.md (splittable_const_int_operand): New,
9149 split from move_operand.
9150 (splittable_symbolic_operand): New.
9151 (move_operand): Add commentary. Use splittable_const_int_operand.
9152 Inline mips_atomic_symbolic_constant_p.
9153 * config/mips/mips.md: Add combine splitters for handling moves
9154 of splittable_const_int_operands and splittable_symbolic_operands.
9155 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9156 (mips_split_symbol): Declare.
9157 (mips_move_integer): Declare.
9158 * config/mips/mips.c (mips_split_p): Make global.
9159 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9160 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9161 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9162 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9163 (mips_offset_within_object_p): Handle block symbols.
9164 (mips_atomic_symbolic_constant_p): Delete.
9165 (mips_cannot_force_const_mem): Return false for constants that
9166 mips_legitimize_move can handle.
9167 (mips_use_blocks_for_constant_p): New function.
9168 (mips_split_symbol): Make global.
9169 (mips_move_integer): Likewise. Add a temporary register argument.
9170 (mips_legitimize_const_move): Use splittable_const_int_operand and
9171 splittable_symbolic_operand.
9172 (mips_use_anchors_for_symbol_p): New function.
9173 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9174 (mips_split_p): Declare.
9176 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9178 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9179 (mips*-*-linux*): Likewise.
9181 2006-03-16 Roger Sayle <roger@eyesopen.com>
9182 Daniel Speyer <dspeyer@wam.umd.edu>
9185 * tree-dump.c (dump_real): New function.
9186 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9187 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9188 (tree-dump.o): Add $(REAL_H) to the dependencies.
9190 2006-03-16 Roger Sayle <roger@eyesopen.com>
9193 * real.c (real_from_string): If the mantissa is zero, don't bother
9194 parsing the exponent as the result should always be zero.
9196 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9198 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9200 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9202 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9203 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9204 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9205 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9206 ia64_sched_finish_global): New static functions to implement
9207 hooks from gcc_target.sched.
9208 (spec_check_no, max_uid, pending_data_specs): New static variables.
9209 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9210 ia64_spec_check_src_p): New static functions.
9211 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9212 (TARGET_SCHED_ADJUST_COST): Removed.
9213 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9214 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9215 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9216 TARGET_SCHED_GEN_CHECK,
9217 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9218 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9219 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9220 Fixed to handle speculation checks.
9221 (rtx_needs_barrier): Fixed to handle speculative loads and
9223 (ia64_variable_issue): Added code to count speculative loads and their
9225 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9227 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9229 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9231 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9232 (ia64_reorg): Reset stops_p to NULL after it is freed.
9233 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9234 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9235 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9237 (data_speculative, control_speculative, check_load): New attributes.
9238 (mov<mode>_advanced, mov<mode>_speculative,
9239 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9240 zero_extend<mode>di2_speculative,
9241 zero_extend<mode>di2_speculative_advanced): New patterns for
9242 data and control speculative loads.
9243 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9245 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9246 New pattern for data and control speculation checks.
9247 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9248 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9249 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9250 Auxiliary definitions for the patterns.
9251 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9252 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9254 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9256 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9257 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9258 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9259 New resource constraints.
9260 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9262 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9263 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9264 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9265 msched-in-control-spec, msched-ldc, msched-control-ldc,
9266 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9267 msched-prefer-non-control-spec-insns,
9268 msched-count-spec-in-critical-path): New flags to tune speculative
9270 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9271 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9272 msched-in-control-spec, msched-ldc, msched-control-ldc,
9273 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9274 msched-prefer-non-control-spec-insns,
9275 msched-count-spec-in-critical-path): Document new flags.
9277 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9279 * target.h (struct spec_info_def): New opaque declaration.
9280 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9281 speculate_insn, needs_block_p, gen_check,
9282 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9283 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9284 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9285 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9286 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9287 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9289 (TARGET_SCHED): Use new macros.
9290 * rtl.h (copy_DEPS_LIST_list): New prototype.
9291 * sched-int.h (struct sched_info): Change signature of new_ready field,
9292 adjust all initializations. New fields: add_remove_insn,
9293 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9294 region_head_or_leaf_p.
9295 (struct spec_info_def): New structure declaration.
9296 (spec_info_t): New typedef.
9297 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9298 recovery_block, orig_pat.
9299 (glat_start, glat_end): New variables declaraions.
9300 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9302 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9303 DETACH_LIFE_INFO, USE_GLAT.
9304 (enum SPEC_SCHED_FLAGS): New enumeration.
9305 (NOTE_NOTE_BB_P): New macro.
9306 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9307 attach_life_info, debug_spec_status, check_reg_live): New functions.
9308 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9309 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9311 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9312 * ddg.c (get_block_head_tail): Adjust all uses.
9313 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9314 (sms_sched_info): Initialize new fields.
9315 (contributes_to_priority): Removed.
9316 * haifa-sched.c (params.h): New include.
9317 (get_block_head_tail): Adjust all uses.
9318 (ISSUE_POINTS): New macro.
9319 (glat_start, glat_end): New global variables.
9320 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9321 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9322 old_last_basic_block, before_recovery, current_sched_info_var,
9323 rgn_n_insns, luid): New static variables.
9324 (insn_cost1): New function. Move logic from insn_cost to here.
9325 (find_insn_reg_weight1): New function. Move logic from
9326 find_insn_reg_weight to here.
9327 (reemit_notes, move_insn, max_issue): Change signature.
9328 (move_insn1): Removed.
9329 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9330 extend_bb): New static functions to support extension of scheduler's
9332 (generate_recovery_code, process_insn_depend_be_in_spec,
9333 begin_speculative_block, add_to_speculative_block,
9334 init_before_recovery, create_recovery_block, create_check_block_twin,
9335 fix_recovery_deps): New static functions to support
9336 generation of recovery code.
9337 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9338 restore_bb_notes, move_block_after_check, move_succs): New static
9339 functions to support ebb scheduling.
9340 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9341 functions to support handling of register live information.
9342 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9343 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9344 add_jump_dependencies): New static functions.
9345 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9346 consistancy checking.
9347 (debug_spec_status): New function to call from debugger.
9348 (priority): Added code to handle speculation checks.
9349 (rank_for_schedule): Added code to distinguish speculative instructions.
9350 (schedule_insn): Added code to handle speculation checks.
9351 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9352 Fixed to handle ebbs.
9353 (move_insn): Added code to handle ebb scheduling.
9354 (max_issue): Added code to use ISSUE_POINTS of instructions.
9355 (choose_ready): Added code to choose between speculative and
9356 non-speculative instructions.
9357 (schedule_block): Added code to handle ebb scheduling and scheduling of
9358 speculative instructions.
9359 (sched_init): Initialize new variables.
9360 (sched_finish): Free new variables. Print statistics.
9361 (try_ready): Added code to handle speculative instructions.
9362 * lists.c (copy_DEPS_LIST_list): New function.
9363 * sched-deps.c (extend_dependency_caches): New function. Move logic
9364 from create_dependency_caches to here.
9365 (get_dep_weak, ds_merge): Make global.
9366 * genattr.c (main): Code to output prototype for
9367 dfa_clear_single_insn_cache.
9368 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9369 (output_dfa_clean_insn_cache_func): Code to output
9370 dfa_clear_single_insn_cache function.
9371 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9373 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9375 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9376 New static variables.
9377 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9378 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9380 (ebb_sched_info): Initialize new fields.
9381 (get_block_head_tail): Adjust all uses.
9382 (compute_jump_reg_dependencies): Fixed to use glat_start.
9383 (schedule_ebb): Code to remove unreachable last block.
9384 (schedule_ebbs): Added code to update register live information.
9385 * sched-rgn.c (region_sched_info): Initialize new fields.
9386 (get_block_head_tail): Adjust all uses.
9387 (last_was_jump): Removed. Adjust users.
9388 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9389 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9390 Implement new hooks.
9391 (check_dead_notes1): New static function.
9392 (struct region): New fields: dont_calc_deps, has_real_ebb.
9393 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9394 (BB_TO_BLOCK): Fixed to handle EBBs.
9395 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9396 (ebb_head): New static variable.
9397 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9398 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9400 (compute_dom_prob_ps): New assertion.
9401 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9402 global_live_at_start.
9403 (init_ready_list): New assertions.
9404 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9405 (new_ready): Add support for BEGIN_CONTROL speculation.
9406 (schedule_insns): Fixed code that updates register live information
9408 (schedule_region): Fixed to handle EBBs.
9409 (init_regions): Use extend_regions and check_dead_notes1.
9410 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9411 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9412 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9413 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9414 TARGET_SCHED_GEN_CHECK,
9415 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9416 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9417 * doc/invoke.texi (max-sched-insn-conflict-delay,
9418 sched-spec-prob-cutoff): Document.
9420 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9422 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9423 inter_tick, queue_index.
9424 (struct sched_info): Change signature of init_ready_list field.
9425 Adjust all initializations.
9426 (RESOLVED_DEPS): New access macro.
9427 (ready_add): Remove prototype.
9428 (try_ready): Add prototype.
9429 * sched-rgn.c (init_ready_list): Use try_ready.
9430 (schedule_region): Initialize
9431 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9432 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9433 (init_ready_list): Use try_ready.
9434 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9435 * lists.c (remove_list_elem): Remove `static'.
9436 (remove_free_INSN_LIST_elem): New function.
9437 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9438 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9439 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9441 (readyp): New variable.
9442 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9443 change_queue_index, resolve_dep): New static functions.
9444 (try_ready): New function. Adjust callers in sched-rgn.c and
9445 sched-ebb.c to use it instead of ready_add.
9446 (clock_var): Move at the begining of file.
9447 (rank_for_schedule): Fix typo.
9448 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9449 (ready_lastpos): Enforce assertion.
9450 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9452 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9453 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9454 (queue_to_ready): Use free_INSN_LIST_list.
9455 (early_queue_to_ready): Fix typo.
9456 (schedule_block): Init readyp. Move init_ready_list call after the
9457 initialization of clock_var. Fix error in rejecting insn by
9458 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9459 that previously corrected INSN_TICKs. Add code for handling
9461 (set_priorities): Fix typo.
9462 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9463 Clarify comment and code that keeps current_sched_info->next_tail
9466 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9468 * sched-rgn.c (extend_rgns): New static function.
9469 (find_rgns): Use it.
9470 (gather_region_statistics, print_region_statistics): New static
9472 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9473 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9475 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9476 Andrey Belevantsev <abel@ispras.ru>
9478 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9479 * lists.c (unused_deps_list): New variable.
9480 (free_list): Add assertions to verify the proper distinguishing
9481 between INSN_LISTs and DEPS_LISTs.
9482 (find_list_elem, remove_list_elem, remove_list_node): New static
9484 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9485 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9486 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9487 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9489 (free_INSN_LIST_node): Likewise.
9490 * modulo-sched.c (current_sched_info): Initialize flags field.
9491 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9492 * rtl.def (DEPS_LIST): Define.
9493 * rtl.h: Declare new functions from lists.c.
9494 * sched-deps.c (spec_dependency_cache): New static variable.
9495 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9496 (add_dependence): Change return type to void. Move the logic to ...
9497 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9498 (delete_all_dependences): Add comment about forward_dependency_cache.
9499 Handle spec_dependency_cache. Handle DEPS_LISTs.
9500 (fixup_sched_groups): Clarify the change of priority of output
9501 and anti dependencies.
9502 (sched_analyze_2): Adjust add_dependence calls to create data
9503 speculative dependence.
9504 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9505 Adjust all callers. Handle DEPS_LISTS.
9506 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9507 presence of speculation.
9508 (init_dependency_caches, free_dependency_caches):
9509 Handle spec_dependency_cache.
9510 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9511 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9512 New static functions.
9513 (add_or_update_back_dep, add_or_update_back_forw_dep,
9514 add_back_forw_dep, delete_back_forw_dep): New functions.
9515 * sched-int.h (ds_t, dw_t): New typedefs.
9516 (struct sched_info): Add new field flags.
9517 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9518 Prototype new sched-deps.c functions.
9519 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9520 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9521 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9522 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9523 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9524 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9526 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9528 * sched-rgn.c (current_sched_info): Initialize flags field.
9529 (schedule_insns): Initialize current_sched_info before the sched_init
9531 * sched-ebb.c (current_sched_info): Initialize flags field.
9532 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9533 Call add_or_update_back_dep instead of add_dependence.
9534 Create control speculative dependencies.
9535 (schedule_insns): Initialize current_sched_info before the sched_init
9538 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9540 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9542 (sh_fallback_frame_state): Likewise.
9544 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9546 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9547 Do switch on default_use_cxa_atexit.
9548 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9549 * config/darwin-crt3.o: New.
9550 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9551 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9552 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9554 * config/rs6000/t-darwin: Move crt2.o building to here.
9555 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9556 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9559 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9561 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9562 from '! xxx' to '!xxx' for coding-style conformance.
9563 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9564 (EXTRA_CONSTRAINT): Likewise.
9565 * config/vax/vax.md (four unnamed insns): Likewise.
9567 2006-03-15 Paul Brook <paul@codesourcery.com>
9569 * config/arm/arm.c (minipool_pad): New.
9570 (add_minipool_forward_ref): Include pool alignment padding in address
9572 (push_minipool_fix): Set minipool_pad.
9573 (minipool_pad): Ditto.
9575 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9577 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9578 instead of GET_CODE() == MEM and REG_P() instead of
9580 (print_operand_address): Likewise.
9581 (vax_address_cost): Likewise.
9582 (vax_rtx_costs): Likewise.
9583 (vax_notice_update_cc): Likewise.
9584 (vax_output_int_add): Likewise.
9585 (INDEX_REGISTER_P): Likewise.
9586 (BASE_REGISTER_P): Likewise.
9587 (nonindexed_address_p): Likewise.
9588 (vax_mode_dependent_address_p): Likewise.
9589 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9590 (PRINT_OPERAND): Likewise.
9591 * config/vax/vax.md (ashlsi3): Likewise.
9592 (ashlsi3): Likewise.
9593 (some more unnamed insns): Likewise.
9595 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9597 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9598 iterator-style macro.
9599 (mark_control_dependent_edges_necessary): Update the use of
9600 EXECUTE_IF_CONTROL_DEPENDENT.
9602 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9604 * config/sh/predicates.md (cache_address_operand): Special.
9605 (ua_address_operand): Likewise.
9607 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9609 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9611 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9613 2006-03-15 Andreas Schwab <schwab@suse.de>
9615 * gensupport.c (identify_predicable_attribute): Don't free p_false
9616 when it is still in use.
9618 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9620 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9621 the default setting here.
9623 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9625 * tree-pass.h (pass_cfg): Remove.
9626 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9627 * passes.c (pass_cfg): Don't run it.
9629 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9631 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9632 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9634 (stack_regs_mentioned): Update the uses of
9635 stack_regs_mentioned_data. Don't access the array beyond its
9637 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9638 Don't include gt-reg-stack.h.
9640 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9641 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9643 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9646 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9649 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9651 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9653 2006-03-14 Richard Guenther <rguenther@suse.de>
9655 PR tree-optimization/26672
9656 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9659 2006-03-14 Richard Guenther <rguenther@suse.de>
9661 PR tree-optimization/26667
9662 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9663 node for the callees. Always allow inlining if it will shrink
9666 2006-03-14 Richard Guenther <rguenther@suse.de>
9669 * builtins.c (get_pointer_alignment): Prefer alignment
9670 information from decls over that from types.
9672 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9675 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9677 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9679 * config/rs6000/rs6000.opt (mdlmzb): New option.
9680 (msched-prolog, msched-epilog): Use Var not Mask.
9681 * doc/invoke.texi (-mdlmzb): Document.
9682 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9684 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9685 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9687 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9689 PR rtl-optimization/25739
9690 * bt-load.c (augment_live_range): Free tos pointer.
9692 * gensupport.c (identify_predicable_attribute): Free
9694 * gcov.c (create_file_names): Free name pointer.
9696 2006-03-13 Roger Sayle <roger@eyesopen.com>
9699 * stmt.c (emit_case_nodes): Handle the case where the index is a
9700 CONST_INT, where the comparison mode is specified by the index type.
9702 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9704 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9707 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9709 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9710 (*branch_fp_inverted): Likewise.
9712 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9715 * omp-low.c (expand_omp_for_generic): Mark istart0
9716 and iend0 as addressable.
9718 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9720 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9722 2006-03-13 Jeff Law <law@redhat.com>
9724 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9725 virtual operands are interesting.
9726 (vrp_visit_stmt): Corresponding changes.
9728 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9730 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9732 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9733 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9734 * config/bfin/crti.S: Use it instead of __PIC__.
9735 * config/bfin/crtn.S: Likewise.
9737 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9738 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9740 Lose 'G' modifier for call operand.
9741 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9742 recognize 'G' modifier.
9744 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9747 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9748 * stmt.c (expand_case): Likewise.
9750 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9752 PR rtl-optimization/26254
9753 * loop-invariant.c (seq_insns_valid_p): New function.
9754 (move_invariant_reg): Only emit new code if it is valid.
9756 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9758 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9760 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9761 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9762 (commit_one_edge_insertion): Do not look for loop notes.
9764 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9766 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9767 flag_test_coverage out of loop.
9769 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9771 * final.c (shorten_branches): Remove outdated comment, and turn
9772 the if branch that guards it to continue.
9774 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9776 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9777 * cfgloop.h (struct loop): Remove unused fields.
9779 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9781 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9782 (-dL, -fdump-rtl-loop2): Update the dump file names
9784 * doc/invoke.texi: Update dump file names.
9786 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9788 * predict.c (estimate_probability): Remove.
9789 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9790 * basic-block.h (estimate_probability): Remove prototype.
9791 * passes.c (finish_optimization_passes): Dump branch prediction or
9792 profiling heuristics to the .profile tree dump.
9793 (init_optimization_passes): Unqueue pass_branch_prob.
9795 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9797 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9799 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9800 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9802 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9804 * function.h (frame_offset_overflow): Declare.
9805 * function.c (frame_offset_overflow): New function.
9806 (assign_stack_local_1): Call it to detect that the offset overflows.
9807 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9809 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9811 * config/sh/sh.c: Include alloc-pool.h.
9812 (label_ref_list_pool): New alloc pool.
9813 (label_ref_list_t): New type for lists of labels.
9814 (struct pool_node): Make wend a label_ref_list_t.
9815 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9817 (dump_table): Likewise.
9818 (sh_reorg): Set up the alloc pool before using add_constant and
9819 dump_table, and destroy it when finishing.
9821 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9823 * config/mips/mips.c: Remove redundant comment.
9825 2006-03-10 Jason Merrill <jason@redhat.com>
9828 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9829 the target was declared 'register'.
9831 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9833 * genpreds.c (write_insn_constraint_len): Change definition of
9834 insn_constraint_len to return size_t to match the declaration.
9836 2006-03-10 DJ Delorie <dj@redhat.com>
9838 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9840 (m32c_expand_insv): Fix test for an AND mask.
9842 2006-03-10 Richard Guenther <rguenther@suse.de>
9845 * builtins.c (get_pointer_alignment): Handle component
9846 references for field alignment.
9848 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9850 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9851 when building with libgloss.
9852 (sh*elf): Implement --without-fp option.
9853 (sh64-superh-linux*): Don't multilib.
9855 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9857 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9859 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9861 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9862 Set it when one of the replacement functions returned true.
9863 Return TODO_cleanup_cfg if cfgchanged is true.
9864 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9866 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9868 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9869 instead of gen_lowpart.
9871 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9873 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9875 (mips_output_order_conditional_branch): Declare.
9876 * config/mips/mips.h (MIPS_BRANCH): New macro.
9877 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9878 for the comparison. Use gen_condjump.
9879 (mips_output_conditional_branch): Rework interface to take the
9880 asm templates for a direct branch and the inverse of a direct branch.
9881 (mips_output_order_conditional_branch): New function.
9882 (mips_builtin_branch_and_move): New function.
9883 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9884 branch condition. Use gen_single_cc as the condition for
9885 __builtin_mips_upper_* or __builtin_mips_lower_*.
9886 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9887 Use VOIDmode for the branch condition.
9888 * config/mips/predicates.md (order_operator): New predicate.
9889 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9890 (branch_fp): Rename to...
9891 (*branch_fp): ...this. Remove mode from comparison operator.
9892 Use new mips_output_conditional_branch interface.
9893 (branch_fp_inverted): Rename to...
9894 (*branch_fp_inverted): ...this and update as for *branch_fp.
9895 (*branch_zero<mode>): Rename to...
9896 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9897 Use mips_output_order_conditional_branch. Only accept ordered
9899 (*branch_zero<mode>_inverted): Rename to...
9900 (*branch_order<mode>_inverted): ...this and update as for
9901 *branch_order<mode>.
9902 (*branch_equality<mode>): Accept zero as the second operand to
9903 the equality operator. Use the new mips_output_conditional_branch
9905 (*branch_equality<mode>_inverted): Likewise.
9906 (condjump): New expander.
9907 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9909 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9910 (bc1any2t, bc1any2f): Likewise.
9911 (single_cc): New expander.
9912 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9914 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9916 * doc/md.texi: Update documentation of MIPS constraints.
9917 * config/mips/constraints.md: New file.
9918 * config/mips/mips.md: Include it.
9919 * config/mips/mips.c (mips_char_to_class): Delete.
9920 (override_options): Don't initialize mips_char_to_class.
9921 * config/mips/mips.h (mips_char_to_class): Delete.
9922 (REG_CLASS_FROM_LETTER): Delete.
9923 (CONST_OK_FOR_LETTER_P): Delete.
9924 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9925 (EXTRA_CONSTRAINT_Y): Delete.
9926 (EXTRA_CONSTRAINT_STR): Delete.
9927 (CONSTRAINT_LEN): Delete.
9928 (EXTRA_MEMORY_CONSTRAINT): Delete.
9930 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9932 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9933 original fn's eh regions.
9935 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9937 * fold-const.c (build_range_check): Make sure to use a valid type to
9938 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9941 (range_predecessor): New static function.
9942 (range_successor): Likewise.
9943 (merge_ranges): Use them to compute predecessors and successors of
9946 2006-03-09 Roger Sayle <roger@eyesopen.com>
9949 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9950 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9952 2006-03-08 DJ Delorie <dj@redhat.com>
9954 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9955 (addpsi3): Expand to include memory operands. Remove
9956 reload-specific splits.
9957 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9958 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9959 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9960 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9961 (shift1_qi, shift1_hi, insv): New.
9962 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9963 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9964 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9966 * config/m32c/m32c-protos.h: Update as needed.
9967 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9968 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9969 Fail for unrecognized R* constraints.
9970 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9971 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9972 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9974 (m32c_init_libfuncs): New.
9975 (m32c_legitimate_address_p): Add debug wrapper.
9976 (m32c_rtx_costs): New.
9977 (m32c_address_cost): New.
9978 (conversions): Add 'B' prefix.
9979 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9980 operands, or word regnames for QI operands. 'B' prints bit
9982 (m32c_expand_setmemhi): New.
9983 (m32c_expand_movmemhi): New.
9984 (m32c_expand_movstr): New.
9985 (m32c_expand_cmpstr): New.
9986 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9987 (m32c_expand_neg_mulpsi3): Handle non-ints.
9988 (m32c_cmp_flg_0): New.
9989 (m32c_expand_movcc): New.
9990 (m32c_expand_insv): New.
9991 (m32c_scc_pattern): New.
9992 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9993 a0/a1 out of SIregs.
9994 (STORE_FLAG_VALUE): New.
9995 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9998 * config/m32c/mov.md: Make constraints more liberal.
9999 (zero_extendqihi2): Optimize r0/r1 case.
10000 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10001 * config/m32c/predicates.md (m32c_any_operand): New.
10002 (m32c_nonimmediate_operand): New.
10003 (m32c_hl_operand): New.
10004 (m32c_r3_operand): New.
10007 (memsym_operand): New.
10008 (memimmed_operand): New.
10009 (a_qi_operand): New.
10010 (m32c_eqne_operator): New.
10011 (m32c_1bit8_operand): New.
10012 (m32c_1bit16_operand): New.
10013 (m32c_1mask8_operand): New.
10014 (m32c_1mask16_operand): New.
10015 * config/m32c/blkmov.md: New file.
10016 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10018 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10020 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10021 unsigned to fix signed/unsigned comparison issue in
10022 DWARF2_FRAME_REG_OUT.
10023 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10024 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10026 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10027 of ptr into the ENABLE_CHECKING section.
10029 2006-03-08 Jeff Law <law@redhat.com>
10031 * tree-vrp.c (infer_value_range): Only count pointer uses
10032 and dereferences if -fdelete-null-pointer-checks is enabled.
10034 * tree-vrp.c (find_assert_locations): Infer value ranges for
10035 single use pointers, but do not create ASSERT_EXPRs for them.
10036 When a non-null range is inferred for a pointer, backwards
10037 propagate that range to other equivalent pointers through the
10040 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10043 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10044 language hook targets.
10045 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10046 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10047 if language hook targets were missing.
10049 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10051 * tree-ssa-opfinalize.h: Removed.
10052 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10054 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10055 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10056 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10057 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10058 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10059 finalize_ssa_v_must_def_ops): New.
10061 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10063 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10064 block as parameter.
10066 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10068 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10070 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10071 addresses with offsets; reorganize.
10073 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10074 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10075 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10077 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10080 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10082 2006-03-08 Ben Elliston <bje@au.ibm.com>
10084 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10086 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10089 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10092 2006-03-07 Richard Guenther <rguenther@suse.de>
10094 PR tree-optimization/26587
10095 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10097 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10099 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10101 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10103 * hooks.c (hook_bool_mode_rtx_true): New function.
10104 * hooks.h (hook_bool_mode_rtx_true): Declare.
10105 * toplev.c (compile_file): Call output_shared_constant_pool.
10106 * varasm.c (shared_constant_pool): New variable.
10107 (assemble_start_function, assemble_end_function): Remove arguments
10108 from call to output_constant_pool.
10109 (create_constant_pool): New function, split out from...
10110 (init_varasm_status): ...here.
10111 (force_const_mem): Choose between the shared and per-function constant
10112 pools. Set current_function_uses_const_pool when reusing old entries
10113 as well as when creating new ones.
10114 (mark_constant): Ignore data argument.
10115 (mark_constants): Remove pool argument.
10116 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10117 to decide whether the function uses a constant pool.
10118 (output_constant_pool_contents): New function, split out from...
10119 (output_constant_pool): ...here.
10120 (output_shared_constant_pool): New function.
10121 (init_varasm_once): Initialize shared_constant_pool.
10122 * output.h (output_constant_pool): Delete.
10123 (output_shared_constant_pool): Declare.
10124 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10125 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10127 2006-03-06 Nick Clifton <nickc@redhat.com>
10129 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10130 flag_strength_reduce.
10132 2006-03-06 Ben Elliston <bje@au.ibm.com>
10134 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10135 x86_64-*-linux* configurations.
10137 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10138 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10140 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10142 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10144 * basic-block.h: Remove the extern for
10145 rediscover_loops_after_threading.
10147 * cfgloop.c (cancel_loop): Make it static.
10148 * cfgloop.h: Remove the prototype for cancel_loop.
10150 * flow.c (recompute_reg_usage): Make it static.
10151 * rtl.h: Remove the prototype for recompute_reg_usage.
10153 * function.c (use_return_register): Make it static.
10154 * function.h: Remove the prototype.
10156 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10158 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10160 * recog.h: Remove the prototype for
10161 validate_change_maybe_volatile.
10163 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10165 * rtlanal.c (replace_reg): Remove.
10166 * rtl.h: Remove the prototype for replace_reg.
10168 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10170 * regclass.c (reg_scan_update): Remove.
10171 (reg_scan_mark_refs): Remove the last argument.
10172 * rtl.h: Remove the prototype for reg_scan_update.
10174 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10176 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10177 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10178 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10179 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10180 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10181 loop-invariant.c, omp-low.c, opts.c, passes.c,
10182 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10183 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10184 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10185 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10186 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10187 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10189 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10191 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10192 * dwarf2out.h: Remove the prototype for
10193 dwarf2out_add_library_unit_info.
10195 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10197 * tree.c (add_var_to_bind_expr): Remove.
10198 * tree.h: Remove the prototype for add_var_to_bind_expr.
10200 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10202 * regclass.c (n_non_fixed_regs): Remove.
10203 (init_reg_sets_1, globalize_reg): Remove all uses of
10205 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10207 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10209 * rtlanal.c (insns_safe_to_move_p): Remove.
10210 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10212 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10214 * expmed.c (expand_mult_add): Remove.
10215 * expr.h: Remove the prototype for expand_mult_add.
10217 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10219 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10220 and REG_SAVED_VAL_EXP constants.
10221 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10222 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10223 Handle regs stored by value.
10224 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10225 (execute_cfa_program): Handle DW_CFA_val_offset,
10226 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10227 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10228 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10229 (uw_install_context_1): Handle target regs stored by value.
10231 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10233 * tree-sra.c (tree_sra): Return todoflags;
10234 (generate_one_element): Set TODO_update_smt_usage if needed.
10235 (pass_sra): Remove TODO_update_smt_usage.
10236 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10238 (tree_ssa_forward_propagate_single_use_vars): Return
10239 TODO_update_smt_usage if we need to update SMT usage.
10240 (pass_forwprop): Remove TODO_update_smt_usage.
10242 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10244 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10245 (correct_use_link): Remove reference to get_stmt_operands.
10246 (update_stmt_operands): Likewise.
10247 (get_modify_expr_operands): New function factored out of
10248 parse_ssa_operands and get_expr_operands.
10249 Try to create V_MUST_DEFs for LHS by default.
10250 (get_expr_operands) <case MODIFY_EXPR>: Call
10251 get_modify_expr_operands.
10252 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10253 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10254 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10255 get_modify_expr_operands.
10257 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10259 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10260 * tree-flow.h: Remove the prototype for
10261 referenced_var_lookup_if_exists.
10263 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10265 PR rtl-optimization/26345
10267 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10269 2006-03-03 Roger Sayle <roger@eyesopen.com>
10271 PR tree-optimization/26524
10272 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10273 fold_convert to create a constant of the appropriate type.
10275 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10277 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10278 SYMBOL_REF_IN_BLOCK_P.
10279 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10280 of SYMBOL_FLAG_IN_BLOCK.
10281 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10282 instead of SYMBOL_REF_IN_BLOCK_P.
10283 * explow.c (use_anchored_address): Likewise.
10284 * rtl.c (rtx_size): Likewise.
10285 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10286 instead of SYMBOL_FLAG_IN_BLOCK.
10287 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10288 SYMBOL_REF_IN_BLOCK_P.
10289 (assemble_variable): Likewise.
10290 (output_constant_def_contents): Likewise.
10291 (output_constant_pool): Likewise.
10292 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10293 instead of SYMBOL_FLAG_IN_BLOCK.
10294 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10295 SYMBOL_REF_IN_BLOCK_P.
10296 (SYMBOL_REF_BLOCK): Likewise.
10297 (SYMBOL_REF_OFFSET): Likewise.
10298 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10299 SYMBOL_REF_IN_BLOCK_P.
10300 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10301 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10302 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10303 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10305 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10307 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10309 2006-03-02 Roger Sayle <roger@eyesopen.com>
10311 * simplify-rtx.c (simplify_unary_operation): When simplifying
10312 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10313 that we perform the right shift in the appropriate mode, and
10314 then extend or truncate the result to requested mode.
10316 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10318 * gengtype.c (main): Handle double_int type.
10319 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10320 * double-int.c: New file.
10321 * double-int.h: New file.
10322 * system.h: Include doubleint.h.
10323 * Makefile.in (SYSTEM_H): Include double-int.h.
10324 (double-int.o): Add.
10326 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10329 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10332 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10334 * tree-vrp.c (remove_range_assertions): Do not update statements
10337 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10339 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10341 * gcse.c (rest_of_handle_gcse): Ditto.
10342 * except.c (gate_handle_eh): Ditto.
10343 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10344 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10346 2006-03-02 Eric Christopher <echristo@apple.com>
10348 * config/i386/i386.c (machopic_output_stub): Add indirection to
10351 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10355 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10357 Sun Niagara specific optimizations.
10358 * config.gcc: Recognize niagara as target.
10359 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10360 (TARGET_CPU_niagara): Define.
10361 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10362 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10363 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10364 (ASM_CPU_SPEC): Likewise.
10365 (PROCESSOR_NIAGARA): New enum entry.
10366 (REGISTER_MOVE_COST): Handle Niagara.
10367 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10368 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10369 (sparc_override_options): Recognize "niagara", set appropriate
10370 default MASK_* values for it, and align functions to 32-bytes
10371 by default just like ULTRASPARC/ULTRASPARC3.
10372 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10373 (sparc64_initialize_trampoline): Likewise.
10374 (sparc_use_sched_lookahead): Use zero for niagara.
10375 (sparc_issue_rate): Use one for niagara.
10376 * config/sparc/niagara.md: New file.
10377 * config/sparc/sparc.md: Include it.
10378 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10379 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10380 when default cpu is niagara.
10381 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10382 (ASM_CPU_SPEC): Likewise.
10383 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10384 when default cpu is niagara.
10385 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10386 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10387 just like v9/ultrasparc/ultrasparc3.
10388 * doc/invoke.texi: Add documentation for "niagara" and improve
10389 existing documentation for ultrasparc variants.
10391 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10393 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10395 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10397 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10398 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10399 and say that only one is needed.
10400 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10401 * target.h (have_switchable_bss_sections): New hook.
10402 * explow.c (use_anchored_address): Check that the symbol is in a block.
10403 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10404 (bss_noswitch_section): New variables.
10405 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10406 (get_noswitch_section): New function.
10407 (get_block_for_section): Allow SECT to be null.
10408 (unlikely_text_section_p): Use SECTION_STYLE.
10409 (bss_initializer_p): New function.
10410 (get_variable_section): Move earlier in file. Take a new argument,
10411 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10412 Return one of the new *_sections in such cases.
10413 (get_block_for_decl): New function, extracting some logic from
10414 use_blocks_for_decl_p.
10415 (change_symbol_section): Remove in favor of...
10416 (change_symbol_block): ...this new function.
10417 (use_blocks_for_decl_p): Remove checks now performed by
10418 get_block_for_decl.
10419 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10420 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10421 (emit_local, emit_bss, emit_common): ...these new functions.
10422 Return true if the alignment was honored.
10423 (emit_tls_common): New function.
10424 (asm_emit_uninitialised): Delete.
10425 (assemble_variable_noswitch): New function, split out from...
10426 (assemble_variable): ...here. Don't make decisions about common
10427 variables here. Globalize all public decls that go into non-common
10428 sections. Check whether SYMBOL_REF_BLOCK is null.
10429 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10430 (output_constant_pool): Likewise.
10431 (init_varasm_once): Initialize the new section variables.
10432 (have_global_bss_p): New function.
10433 (categorize_decl_for_section): Use bss_initializer_p.
10434 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10435 (place_block_symbol): Assert that the symbol must be in a block.
10436 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10437 (TARGET_INITIALIZER): Include it.
10438 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10439 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10440 (SECTION_MACH_DEP): Bump by two.
10441 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10442 (unnamed_section): Mention SECTION_UNNAMED in comment.
10443 (named_section): Likewise SECTION_NAMED.
10444 (noswitch_section_callback): New type.
10445 (noswitch_section): New structure.
10446 (section): Add a noswitch_section alternative.
10447 (SECTION_STYLE): New macro.
10448 (tls_comm_section, comm_section, lcomm_section): Declare.
10449 (bss_noswitch_section, have_global_bss_p): Declare.
10450 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10451 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10453 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10454 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10457 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10459 * tree-vrp.c (execute_vrp): Return value.
10460 * regrename.c (rest_of_handle_regrename): Ditto.
10461 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10462 * tree-complex.c (tree_lower_complex): Ditto.
10463 (tree_lower_complex_O0): Ditto.
10464 * tracer.c (rest_of_handle_tracer): Ditto.
10465 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10466 * postreload.c (rest_of_handle_postreload): Ditto.
10467 * tree-tailcall.c (execute_tail_recursion): Ditto.
10468 (execute_tail_calls): Ditto.
10469 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10470 * tree.h (init_function_for_compilation): Ditto.
10471 * ipa-cp.c (ipcp_driver): Ditto.
10472 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10473 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10474 * final.c (compute_alignments): Ditto.
10475 (rest_of_handle_final): Ditto.
10476 (rest_of_handle_shorten_branches): Ditto.
10477 (rest_of_clean_state): Ditto.
10478 * omp-low.c (execute_expand_omp): Ditto.
10479 (execute_lower_omp): Ditto.
10480 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10481 * ipa-reference.c (static_execute): Ditto.
10482 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10483 * reorg.c (rest_of_handle_delay_slots): Ditto.
10484 (rest_of_handle_machine_reorg): Ditto.
10485 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10486 * flow.c (recompute_reg_usage): Ditto.
10487 (rest_of_handle_remove_death_notes): Ditto.
10488 (rest_of_handle_life): Ditto.
10489 (rest_of_handle_flow2): Ditto.
10490 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10491 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10492 (do_ssa_store_ccp): Ditto.
10493 (execute_fold_all_builtins): Ditto.
10494 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10495 * modulo-sched.c (rest_of_handle_sms): Ditto.
10496 * ipa-pure-const.c (static_execute): Ditto.
10497 * cse.c (rest_of_handle_cse): Ditto.
10498 (rest_of_handle_cse2): Ditto.
10499 * web.c (rest_of_handle_web): Ditto.
10500 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10501 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10502 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10503 * tree-nrv.c (tree_nrv): Ditto.
10504 (execute_return_slot_opt): Ditto.
10505 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10506 (create_structure_vars): Ditto.
10507 * loop-init.c (rtl_loop_init): Ditto.
10508 (rtl_loop_done): Ditto.
10509 (rtl_move_loop_invariants): Ditto.
10510 (rtl_unswitch): Ditto.
10511 (rtl_unroll_and_peel_loops): Ditto.
10512 (rtl_doloop): Ditto.
10513 * gimple-low.c (lower_function_body): Ditto.
10514 (mark_used_blocks): Ditto.
10515 * tree-ssa-sink.c (execute_sink_code): Ditto.
10516 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10517 (cgraph_early_inlining): Ditto.
10518 * global.c (rest_of_handle_global_alloc): Ditto.
10519 * jump.c (cleanup_barriers): Ditto.
10520 (purge_line_number_notes): Ditto.
10521 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10522 (rest_of_handle_if_after_reload): Ditto.
10523 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10524 (tree_ssa_loop_im): Ditto.
10525 (tree_ssa_loop_unswitch): Ditto.
10526 (tree_vectorize): Ditto.
10527 (tree_linear_transform): Ditto.
10528 (tree_ssa_loop_ivcanon): Ditto.
10529 (tree_ssa_empty_loop): Ditto.
10530 (tree_ssa_loop_bounds): Ditto.
10531 (tree_complete_unroll): Ditto.
10532 (tree_ssa_loop_prefetch): Ditto.
10533 (tree_ssa_loop_ivopts): Ditto.
10534 (tree_ssa_loop_done): Ditto.
10535 * predict.c (tree_estimate_probability): Ditto.
10536 * recog.c (split_all_insns_noflow): Ditto.
10537 (rest_of_handle_peephole2): Ditto.
10538 (rest_of_handle_split_all_insns): Ditto.
10539 * tree-eh.c (lower_eh_constructs): Ditto.
10540 * regmove.c (rest_of_handle_regmove): Ditto.
10541 (rest_of_handle_stack_adjustments): Ditto.
10542 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10543 * function.c (instantiate_virtual_regs): Ditto.
10544 (init_function_for_compilation): Ditto.
10545 (rest_of_handle_check_leaf_regs): Ditto.
10546 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10547 (rest_of_handle_gcse): Ditto.
10548 * ipa-type-escape.c (type_escape_execute): Ditto.
10549 * alias.c (rest_of_handle_cfg): Ditto.
10550 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10551 * profile.c (rest_of_handle_branch_prob): Ditto.
10552 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10553 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10554 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10555 * tree-dfa.c (find_referenced_vars): Ditto.
10556 * except.c (set_nothrow_function_flags): Ditto.
10557 (convert_to_eh_region_ranges): Ditto.
10558 (rest_of_handle_eh): Ditto.
10559 * emit-rtl.c (unshare_all_rtl): Ditto.
10560 (remove_unnecessary_notes): Ditto.
10561 * except.h (set_nothrow_function_flags): Ditto.
10562 (convert_to_eh_region_ranges): Ditto.
10563 * cfgexpand.c (tree_expand_cfg): Ditto.
10564 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10565 * tree-ssa-pre.c (do_pre): Ditto.
10566 (execute_fre): Ditto.
10567 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10568 (rest_of_handle_jump2): Ditto.
10569 * tree-sra.c (tree_sra): Ditto.
10570 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10571 (execute_mudflap_function_decls): Ditto.
10572 * tree-ssa-copy.c (do_copy_prop): Ditto.
10573 (do_store_copy_prop): Ditto.
10574 * ipa-prop.h (ipcp_driver): Ditto.
10575 * cfglayout.c (insn_locators_initialize): Ditto.
10576 * tree-ssa-forwprop.c
10577 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10578 * cfglayout.h (insn_locators_initialize): Ditto.
10579 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10580 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10581 (execute_late_warn_uninitialized): Ditto.
10582 * rtl.h (cleanup_barriers): Ditto.
10583 (split_all_insns_noflow): Ditto.
10584 (purge_line_number_notes): Ditto.
10585 (unshare_all_rtl): Ditto.
10586 (remove_unnecessary_notes): Ditto.
10587 (recompute_reg_usage): Ditto.
10588 (variable_tracking_main): Ditto.
10589 * integrate.c (emit_initial_value_sets): Ditto.
10590 * integrate.h (emit_initial_value_sets): Ditto.
10591 * tree-optimize.c (execute_free_datastructures): Ditto
10592 (execute_free_cfg_annotations): Ditto.
10593 (execute_fixup_cfg): Ditto.
10594 (execute_cleanup_cfg_pre_ipa): Ditto.
10595 (execute_cleanup_cfg_post_optimizing): Ditto.
10596 (execute_init_datastructures): Ditto.
10597 * tree-object-size.c (compute_object_sizes): Ditto.
10598 * combine.c (rest_of_handle_combine): Ditto.
10599 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10600 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10601 (rest_of_handle_reorder_blocks): Ditto.
10602 (rest_of_handle_partition_blocks): Ditto.
10603 * var-tracking.c (variable_tracking_main): Ditto.
10604 * tree-profile.c (tree_profiling): Ditto.
10605 * tree-vect-generic.c (expand_vector_operations): Ditto.
10606 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10607 * sched-rgn.c (rest_of_handle_sched): Ditto.
10608 (rest_of_handle_sched2): Ditto.
10609 * basic-block.h (free_bb_insn): Ditto.
10610 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10611 * tree-cfg.c (execute_build_cfg): Ditto.
10612 (remove_useless_stmts): Ditto.
10613 (split_critical_edges): Ditto.
10614 (execute_warn_function_return): Ditto.
10615 (execute_warn_function_noreturn): Ditto.
10616 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10617 * cfgrtl.c (free_bb_for_insn): Ditto.
10618 * passes.c (execute_one_pass): Run additional
10619 todos returned by execute function.
10620 * tree-pass.h (struct tree_opt_pass): Make execute
10623 2006-03-02 Richard Guenther <rguenther@suse.de>
10625 * tree-ssa-alias.c (find_used_portions): Consider taking
10626 the address as making the variable not write-only.
10628 2006-03-02 Nick Clifton <nickc@redhat.com>
10630 * config.gcc (default_use_cxa_atexit): Extend the description of
10631 this configure variable. Set its default value to "yes" for
10632 Linux, NetBSD and ELF targets on the assumption that they will
10633 use C libraries with the __cxa_atexit function.
10635 2006-03-02 Ben Elliston <bje@au.ibm.com>
10637 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10638 parameter as unused to suppress a build warning.
10640 2006-03-02 Ben Elliston <bje@au.ibm.com>
10642 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10645 2006-03-01 Roger Sayle <roger@eyesopen.com>
10648 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10649 declared name, the weak reference name, and the typeof name.
10650 (__gthrw): Avoid expanding the declared name suffix.
10651 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10653 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10655 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10657 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10658 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10659 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10660 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10661 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10662 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10663 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10664 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10665 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10666 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10667 (DW_END_default, DW_END_big, DW_END_little): New.
10668 (DW_END_lo_user, DW_END_hi_user): Define.
10669 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10670 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10671 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10674 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10676 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10678 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10680 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10682 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10684 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10685 to 'symbol_mem_tag'.
10687 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10690 2006-03-01 Roger Sayle <roger@eyesopen.com>
10692 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10694 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10697 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10698 MACHO_DYNAMIC_NO_PIC_P.
10699 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10701 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10704 * config/darwin-protos.h (darwin_asm_output_anchor):
10706 * config/darwin-sections.def (cstring_section):
10707 Add SECTION_MERGE to the flags.
10708 (literal4_section): Likewise.
10709 (literal8_section): Likewise.
10710 (objc_selector_refs_section): Likewise.
10711 (objc_cls_refs_section): Likewise.
10712 * config/darwin.c (darwin_asm_output_anchor): New
10714 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10716 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10718 Fix PR tree-optimization/26443
10719 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10720 to todo and PROP_tmt_usage to properties_destroyed.
10721 * tree-ssa-ccp.c (pass_ccp): Ditto.
10722 (pass_store_ccp): Ditto.
10723 * tree-ssa-dom.c (pass_dominator): Ditto.
10725 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10727 * tree-ssa-operands.c: Cleanup whitespace.
10728 (get_asm_expr_operands): Move before first invocation.
10729 (get_indirect_ref_operands): Likewise.
10730 (get_tmr_operands): Likewise.
10731 (get_call_expr_operands): Likewise.
10732 (append_def): Likewise.
10733 (append_use): Likewise.
10734 (append_v_may_def): Likewise.
10735 (append_v_must_def): Likewise.
10736 (add_call_clobber_ops): Likewise.
10737 (add_call_read_ops): Likewise.
10738 (add_stmt_operand): Likewise.
10739 (add_virtual_operand): Likewise.
10740 (build_ssa_operands): Likewise.
10742 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10744 PR middle-end/26022
10746 PR middle-end/24437
10747 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10748 with a call expr to ...
10749 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10751 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10753 * tree-vrp.c (extract_range_from_assert): Remove special
10754 handling for types with super-types.
10756 2006-03-01 Ben Elliston <bje@au.ibm.com>
10758 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10759 and powerpc64-*-linux* configurations.
10760 * config/t-dfprules: New file.
10762 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10763 Compile dfp-bit.c from the source directory using -DWIDTH and
10764 $DFP_CFLAGS to control the compilation of that file, rather than
10765 generating width-specific versions in the build directory.
10766 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10767 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10769 2006-02-28 Zack Weinberg <zackw@panix.com>
10771 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10774 2006-02-28 Eric Christopher <echristo@apple.com>
10776 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10777 Set up IN_LIBGCC definition of TARGET_64BIT.
10778 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10780 2006-02-28 Roger Sayle <roger@eyesopen.com>
10782 PR middle-end/14752
10783 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10784 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10785 cases via the construction of "expr != 0".
10787 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10789 * alias.c (alias_invariant, alias_invariant_size): Remove.
10790 (record_base_value): Remove.
10791 (memrefs_conflict_p): Don't look at alias_invariant.
10792 (end_alias_analysis): Don't free it.
10793 * alias.h (record_base_value): Remove prototype.
10795 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10796 Adam Nemet <anemet@caviumnetworks.com>
10798 * rtl.h (truncated_to_mode): Declare it.
10799 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10800 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10801 (RTL_HOOKS_INITIALIZER): Include it.
10802 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10803 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10804 reg_truncated_to_mode.
10805 * rtlanal.c (truncated_to_mode): Define it.
10806 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10808 2006-02-28 Jeff Law <law@redhat.com>
10810 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10811 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10812 the range allowed by TYPE_PRECISION.
10814 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10816 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10818 PR tree-optimization/26419
10819 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10822 2006-02-27 Zack Weinberg <zackw@panix.com>
10824 * doc/md.texi: Fix typo in previous change.
10826 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10830 2006-02-27 Zack Weinberg <zackw@panix.com>
10832 * rtl.def (define_constraint, define_register_constraint)
10833 (define_memory_constraint, define_address_constraint): New MD forms.
10834 * gensupport.c (process_rtx): Put define_constraint etc on the
10836 * genpreds.c (process_define_predicate): Adjust comment. Validate
10837 the name, and call validate_exp to validate the expression.
10838 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10839 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10840 all callers changed.
10841 (validate_exp, needs_variable, struct constraint_data)
10842 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10843 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10844 (const_dbl_constraints, constraint_max_namelen)
10845 (have_register_constraints, have_memory_constraints)
10846 (have_address_constraints, have_address_constraints)
10847 (have_extra_constraints, have_const_int_constraints)
10848 (have_const_dbl_constraints, mangle, add_constraint)
10849 (process_define_constraint, process_define_register_constraint)
10850 (write_enum_constraint_num, write_lookup_constraint)
10851 (write_insn_constraint_len, write_regclass_for_constraint)
10852 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10853 (write_insn_extra_memory_constraint)
10854 (write_insn_extra_address_constraint)
10855 (write_satisfies_constraint_fns): New.
10856 (write_tm_preds_h): If we have new-style constraint definitions,
10857 prototype the functions generated from them, and define the
10858 old constraint interface (still used by generic code) in terms of
10860 (write_insn_preds_c): If we have new-style constraint definitions,
10861 generate all relevant functions from those definitions.
10862 (main): Handle define_constraint etc.
10863 * genoutput.c (struct constraint_data, indep_constraints)
10864 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10865 (mdep_constraint_len): New data structures and functions, defined
10866 #ifdef USE_MD_CONSTRAINTS.
10867 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10868 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10869 use new logic to validate operand constraints against constraint
10871 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10873 * defaults.h: If none of the old-style constraint macros are
10874 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10875 old-style macros; and poison REG_CLASS_FROM_LETTER,
10876 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10878 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10879 * doc/md.texi: Document new constraint-definition mechanism and the
10880 C interface it provides. Remove references to old mechanism
10881 elsewhere in the document.
10882 (Machine Constraints): Use pathnames relative to gcc directory,
10883 i.e. config/ARCH/FILE. Change i386 section to refer to
10884 config/i386/predicates.md; update that section to match docstrings.
10885 * doc/tm.texi: Move all documentation of the old constraint-
10886 definition macros to their own section, clearly mark as obsolete.
10888 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10889 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10891 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10892 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10893 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10894 constraint strings.
10895 (splits and peepholes): Use satisfies_constraint_*.
10896 * config/i386/i386.c (memory_address_length)
10897 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10899 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10901 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10902 scalar operation to be put back into the loop.
10904 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10907 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10908 (extract_cie_info): Handle S flag in augmentation string.
10909 (execute_cfa_program): If context->signal_frame, execute also
10910 fs->pc == context->ra instructions.
10911 (uw_frame_state_for): If context->signal_frame, don't subtract one
10912 from context->ra to find FDE.
10913 (uw_update_context_1): Set context->signal_frame to
10915 (_Unwind_GetIPInfo): New function.
10916 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10917 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10919 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10920 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10921 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10922 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10923 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10924 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10925 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10926 x86_64_fallback_frame_state): Set fs->signal_frame.
10927 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10928 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10929 (frob_update_context): Likewise. Workaround missing S flag in
10930 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10931 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10932 Remove the psw_addr + 1 hack.
10934 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10936 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10937 with aggregates here.
10938 (find_func_aliases): Remove code for &<aggregate> from here.
10940 2006-02-26 Roger Sayle <roger@eyesopen.com>
10942 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10943 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10944 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10945 as (X & C) ne/eq 0.
10947 2006-02-26 Roger Sayle <roger@eyesopen.com>
10949 PR middle-end/19983
10950 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10952 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10954 * opts.c (decode_options): Do not handle flag_strength_reduce.
10955 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10956 and OPT_fstrength_reduce.
10957 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10958 flag_prefetch_loop_arrays for being nonzero.
10959 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10961 (fprefetch-loop-arrays-rtl): Removed.
10962 (flag_prefetch_loop_arrays): Do not specify the value.
10964 * doc/passes.texi: Update documentation of loop optimizer
10966 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10967 -frerun-loop-opt): Remove.
10969 2006-02-26 Richard Guenther <rguenther@suse.de>
10971 PR tree-optimization/26421
10972 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10973 in function calls that are ADDR_EXPRs as using the whole structure.
10975 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10977 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10978 * tree-pass.h (pass_loop_optimize): Remove.
10979 * passes.c (pass_loop_optimize): Never run it.
10980 * toplev.c (backend_init): Don't call init_loop.
10981 * opts.c (flag_loop_optimize_set): Remove.
10982 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10983 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10984 the old RTL loop optimizer when profiling enabled.
10985 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10986 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10987 pre-headers for the sake of the old RTL loop optimizer.
10988 * Makefile.in: Remove all references to loop.o.
10990 * doc/invoke.texi: Remove all references to -floop-optimize
10991 and -frerun-loop-opt.
10993 2006-02-26 Zack Weinberg <zackw@panix.com>
10995 * doc/md.texi (Machine Constraints): Refer to all files with paths
10996 relative to gcc directory (i.e. config/CPU/file). Add missing
10997 @table @code ... @end table to M32C subsection.
10999 2006-02-26 Roger Sayle <roger@eyesopen.com>
11001 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11003 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11005 2006-02-26 Roger Sayle <roger@eyesopen.com>
11006 James A. Morrison <phython@gcc.gnu.org>
11008 PR middle-end/21137
11009 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11010 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11011 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11012 signedness of the shift operation.
11014 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11016 PR tree-optimization/26359
11017 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11019 2006-02-25 Roger Sayle <roger@eyesopen.com>
11021 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11022 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11023 as X == 0, and some symmetry related transformations.
11024 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11026 2006-02-25 Roger Sayle <roger@eyesopen.com>
11028 PR middle-end/23673
11029 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11030 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11031 symmetry related transformations. Fold (X^C1) == C2 as
11034 2006-02-25 Juergen Weigert <jw@suse.de>
11035 Richard Guenther <rguenther@suse.de>
11037 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11039 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11041 * combine.c (gen_lowpart_or_truncate): Call
11042 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11044 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11046 * doc/invoke.texi: Move -fopenmp description to "Options for
11048 Remove reference to -lgomp.
11050 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11052 * doc/install.texi: Require GNU tar version 1.14.
11054 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11056 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11057 * doc/invoke.texi (C++ Dialect Options): Document
11058 -fno-use-cxa-get-exception-ptr.
11059 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11060 * configure: Regenerate.
11061 * c.opt (fuse-cxa-get-exception-ptr): New.
11062 * c-opts.c (c_common_handle_option): Handle
11063 OPT_fuse_cxa_get_exception_ptr.
11064 * c-common.c (flag_use_cxa_atexit): Update documentation.
11065 (flag_use_cxa_get_exception_ptr): New.
11066 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11067 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11069 (C_COMMON_OVERRIDE_OPTIONS): New.
11071 2006-02-24 Roger Sayle <roger@eyesopen.com>
11073 PR middle-end/24952
11074 * combine.c (try_combine): Explicitly check whether GET_CODE is
11075 a SET or a CLOBBER, instead on checking that it isn't a USE.
11077 2006-02-24 Roger Sayle <roger@eyesopen.com>
11079 * fold-const.c (fold_comparison): New subroutine of fold_binary
11080 containing transformations common to both the equality and
11081 ordering relational operators, factored out of fold_binary.
11082 (fold_binary): Separate out the equality operators (EQ_EXPR
11083 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11084 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11085 transformations common to both.
11086 (fold_div_compare): Fix latent bugs in the previously unreachable
11087 LT_EXPR and GE_EXPR cases.
11089 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11091 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11092 decl libname for clog to __clog on AIX.
11094 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11096 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11099 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11100 output traceback table for thunks. Localise rs6000_stack_info call.
11102 2006-02-23 Roger Sayle <roger@eyesopen.com>
11103 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11105 * gthr-posix.h (__gthrw): Fix typo in comment.
11107 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11109 * doc/cpp.texi (Character sets): Document that we do support
11110 input files to be in any character set.
11112 2006-02-23 Jeff Law <law@redhat.com>
11114 * tree.h (PHI_ARG_NONZERO): Remove.
11115 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11116 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11117 node to the new node.
11119 PR tree-optimization/26425
11120 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11121 min/max, then assume its varying.
11123 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11125 PR rtl-optimization/26316
11126 * rtlanal.c (enum may_trap_p_flags): New.
11127 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11128 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11129 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11130 (may_trap_after_code_motion_p): New function.
11131 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11132 (find_invariant_insn): Use may_trap_after_code_motion_p.
11133 * rtl.h (may_trap_after_code_motion_p): Declare.
11135 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11137 * emit-rtl.c (immed_double_const): Cleanup.
11139 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11141 Fix PR tree-optimization/26376
11142 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11145 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11147 PR middle-end/26412
11148 * gimplify.c (omp_add_variable): Guard variable size decl test with
11149 DECL_SIZE (decl) check.
11151 2006-02-23 Richard Guenther <rguenther@suse.de>
11153 PR middle-end/26439
11154 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11155 like aggregate types.
11157 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11159 * configure.ac: Add --with{,out}-long-double-128 configure option.
11160 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11161 * configure: Rebuilt.
11162 * config.in: Rebuilt.
11163 * doc/install.texi (Options specification): Document
11164 --with-long-double-128.
11166 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11167 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11168 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11169 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11171 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11173 * config/s390/s390.c (override_options): Handle
11174 TARGET_DEFAULT_LONG_DOUBLE_128.
11176 * config/alpha/alpha.c (override_options): Handle
11177 TARGET_DEFAULT_LONG_DOUBLE_128.
11179 * config/sparc/sparc.c (sparc_override_options): Handle
11180 TARGET_DEFAULT_LONG_DOUBLE_128.
11182 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11184 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11185 (real-install-headers-tar, real-install-headers-cpio)
11186 (real-install-headers-cp): New targets.
11188 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11190 * tree.h (variable_section): Delete.
11191 * varasm.c (variable_section): Delete.
11193 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11195 * install.texi: Add notes on install.texi2html.
11196 (Building in parallel): Do not use footnotes.
11198 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11201 * doc/install.texi (Configuration): Document --disable-libgomp.
11203 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11205 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11207 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11209 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11210 (vec_extractv2df_0_sse): New.
11212 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11214 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11215 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11216 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11217 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11218 to the result of the expression.
11219 (def_cfa_1): Adjust.
11220 (frame_pointer_cfa_offset): Rename to...
11221 (frame_pointer_fb_offset): ... this. Adjust all uses.
11222 (convert_cfa_to_loc_list): Rename to...
11223 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11224 Pass it on to build_cfa_loc.
11225 (compute_frame_pointer_to_cfa_displacement): Rename to...
11226 (compute_frame_pointer_to_fb_displacement): ... this. New
11227 offset parameter. Use it in computation.
11228 (gen_subprogram_die): Compute cfa_fb_offset with the new
11229 macro, and use it to compute the fb loc list and the
11232 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11234 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11235 replaced with register_operand.
11236 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11237 non-DREG is expensive.
11238 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11239 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11242 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11244 * doc/install.texi2html: Use set -e.
11246 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11248 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11249 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11250 * doc/invoke.texi (-fshared-data): Delete.
11251 * common.opt (fshared-data): Delete.
11252 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11253 (assemble_static_space): Remove #if 0 code.
11254 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11255 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11256 * config/cris/cris.h: Remove FIXME.
11258 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11260 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11263 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11265 PR middle-end/26379
11266 * combine.c (simplify_shift_const_1): Disable nested shifts
11267 optimization for vector shifts.
11269 2006-02-20 Roger Sayle <roger@eyesopen.com>
11271 PR tree-optimization/26361
11272 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11273 of unsigned integer types.
11275 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11277 * tree-chrec.c (eq_evolutions_p): New.
11278 * tree-chrec.h (eq_evolutions_p): Declared.
11279 * tree-data-ref.c: Fix formatting.
11280 (datadep_stats, dependence_stats): New.
11282 (print_direction_vector): New.
11283 (dump_data_dependence_relation): Use print_direction_vector.
11284 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11285 (compute_subscript_distance): Static.
11286 (initialize_data_dependence_relation): Static. Get the number
11287 of loops surrounding the references from the callers, and initialize
11288 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11289 base_object_differ_p analyzers.
11290 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11291 compute_overlap_steps_for_affine_1_2,
11292 analyze_subscript_affine_affine): Count the classified dependences.
11293 Print a message when a test failed.
11294 (can_use_analyze_subscript_affine_affine): New.
11295 (analyze_siv_subscript): Compute the data dependences on symbolic
11296 scevs that verify can_use_analyze_subscript_affine_affine.
11297 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11298 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11299 Handle symbolic scevs.
11300 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11302 (subscript_dependence_tester): Moved...
11303 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11304 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11305 DDR_SIZE_VECT instead of getting it in parameter.
11306 (subscript_dependence_tester): ... here. Take as a parameter
11307 loop_nest_depth. Call build_classic_dist_vector and
11308 build_classic_dir_vector.
11309 (compute_affine_dependence): Update subscript_dependence_tester
11310 parameters. Update datadep_stats counters. Call
11311 compute_subscript_distance.
11312 (compute_self_dependence): Save the dist and dir vectors. Call
11313 compute_subscript_distance.
11314 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11315 (compute_all_dependences): Reorder parameters as they were before
11316 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11317 compute_subscript_distance. Update the use of
11318 compute_affine_dependence and initialize_data_dependence_relation.
11319 (find_data_references_in_loop): Handle COMPONENT_REF.
11320 (compute_data_dependences_for_loop): Initialize dependence_stats.
11321 Don't call build_classic_dist_vector and build_classic_dir_vector.
11322 Update the parameters of initialize_data_dependence_relation and
11323 compute_all_dependences. Print the statistics from datadep_stats.
11324 (analyze_all_data_dependences): Static. Not used until the pass for
11325 checking the data dependences is contributed.
11326 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11327 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11328 (initialize_data_dependence_relation, compute_affine_dependence,
11329 analyze_all_data_dependences, compute_subscript_distance): Removed.
11330 (print_direction_vector): New.
11331 * lambda.h (gcd): ... here.
11332 (lambda_vector_gcd): Moved here from gcd_vector.
11333 * lambda-code.c (gcd, gcd_vector): Removed.
11334 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11335 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11337 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11339 * ipa-type-escape.c: Tidy some comments and white space.
11340 * tree-ssa-operands.c: Likewise.
11342 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11345 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11346 (dump_decl_name): Do not walk the decl tree chains.
11347 * tree-pass.h (TDF_CHAIN): Remove.
11349 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11351 * Makefile.in (C): Remove
11353 (.PHONY): Remove C and PROTO
11355 2006-02-20 Roger Sayle <roger@eyesopen.com>
11357 PR middle-end/26236
11358 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11359 deprecated CHAR_TYPE tree code.
11361 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11363 * configure.ac (target_list): Add install-info, dvi, html.
11364 * configure: Regenerate.
11366 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11367 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11368 treelang/Make-lang.in: Do not use double-colon rules.
11370 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11372 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11373 (TMT_USED_ALONE): New macro.
11374 * tree-pass.h (PROP_tmt_usage): New property.
11375 (TODO_update_tmt_usage): New todo.
11376 * tree-ssa-alias.c (updating_used_alone): New variable.
11377 (recalculate_used_alone): New function.
11378 (compute_may_aliases): Set updating_used_alone, call
11379 recalculate_used_alone.
11380 * tree-sra.c (pass_sra): Note that this pass destroys
11381 PROP_tmt_usage, and add TODO_update_tmt_usage.
11382 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11383 * tree-flow.h (updating_used_alone): Prototype.
11384 (recalculate_used_alone): Ditto.
11385 * passes.c (execute_todo): Add code to set updating_used_alone,
11386 and call recalculate.
11387 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11388 for clobber if used alone, and add assert to verify used_alone
11391 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11393 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11394 for non tls symbols added.
11395 (legitimize_address): Do nothing for PLUS expressions if one of the
11396 addends is a tls symbol reference.
11398 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11402 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11404 * Makefile.in (BOOTSTRAPPING): New.
11405 (quickstrap): New definition if BOOTSTRAPPING=yes.
11407 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11408 * configure.ac: Substitute all_selected_languages with the languages
11409 that were configured. For all the other variables except
11410 lang_specs_files, include all the languages in the tree.
11411 * configure: Regenerate.
11413 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11414 if there is one. Run the commands to run fixincludes in the same
11417 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11418 * doc/install.texi: Document exact conventions for searching target tools.
11419 Document --with-build-time-tools. Document toplevel bootstrap. Document
11420 something more about building an Ada cross-compiler. Don't list GNU Make
11421 requirements which affect all platforms.
11423 2006-02-19 Roger Sayle <roger@eyesopen.com>
11425 PR middle-end/19543
11426 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11427 only equivalent if the have both the same mode and precision.
11429 2006-02-20 Ben Elliston <bje@au.ibm.com>
11431 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11433 2006-02-19 Roger Sayle <roger@eyesopen.com>
11434 Steven Bosscher <stevenb.gcc@gmail.com>
11436 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11437 constant pool references to identify stack mode constants.
11438 * rtlanal.c (constant_pool_constant_p): New predicate to check
11439 whether operand is a floating point constant in the pool.
11440 * rtl.h (constant_pool_constant_p): Prototype here.
11441 * loop.c (scan_loop): Avoid hoisting constants from the constant
11442 pool on STACK_REGS targets.
11443 (load_mems): Likewise.
11444 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11445 loads into x87 registers expensive in terms of register pressure.
11447 2006-02-19 Roger Sayle <roger@eyesopen.com>
11449 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11450 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11452 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11454 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11455 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11457 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11459 * doc/invoke.texi: Document -fipa-pta.
11460 * common.opt: Add ipa-pta option.
11461 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11462 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11463 (do_ds_constraint): Ditto.
11464 (get_constraint_for): Only add to referenced_vars if
11465 referenced_vars exists.
11466 (insert_into_field_list): Rewrite to do this unsorted.
11467 (insert_into_field_list_sorted): Rename old insert_into_field_list
11469 (create_function_info_for): Use insert_into_field_list_sorted.
11470 (create_variable_info_for): Rewrite so it uses unsorted version,
11471 since the field list is sorted.
11472 (intra_create_variable_infos): Only add to referenced_vars if
11473 referenced_vars exists.
11474 (ipa_pta_execute): Init heapvars, and delete when done.
11475 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11477 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11479 * doc/install.texi: Add missing `@samp'.
11481 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11483 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11486 2006-02-18 Mark Wielaard <mark@klomp.org>
11488 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11489 who added new 4.1 features, bug fixes and integration support.
11491 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11494 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11495 MEM for ABI_V4 pic.
11497 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11499 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11500 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11501 (copy_insn_1): Likewise. Don't copy each field individually.
11503 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11505 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11506 * rtl.c (rtx_size): Rename variable to...
11507 (rtx_code_size): ...this.
11508 (rtx_size): New function.
11509 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11510 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11512 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11513 * rtl.h (rtx_code_size): New variable.
11514 (rtx_size): Change from a variable to a function.
11515 (RTX_SIZE): Rename to...
11516 (RTX_CODE_SIZE): ...this.
11519 PR tree-optimization/17106
11520 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11521 (Anchored Addresses): New section.
11522 * doc/invoke.texi (-fsection-anchors): Document.
11523 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11524 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11525 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11526 * hooks.c (hook_bool_mode_rtx_false): New function.
11527 * hooks.h (hook_bool_mode_rtx_false): Declare.
11528 * gengtype.c (create_optional_field): New function.
11529 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11530 SYMBOL_REF_IN_BLOCK_P is true.
11531 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11532 (min_anchor_offset, max_anchor_offset): Likewise.
11533 (use_anchors_for_symbol_p): New hook.
11534 * toplev.c (compile_file): Call output_object_blocks.
11535 (target_supports_section_anchors_p): New function.
11536 (process_options): Check that -fsection-anchors is only used on
11537 targets that support it and when -funit-at-a-time is in effect.
11538 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11539 if the decl doesn't have one.
11540 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11541 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11542 of force_const_mem through use_anchored_address.
11543 (expand_expr_constant): New function.
11544 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11545 calling expand_expr for INDIRECT_REF.
11546 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11547 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11548 * expr.h (use_anchored_address): Declare.
11549 * loop-unroll.c: Don't declare rtx vectors here.
11550 * explow.c: Include output.h.
11551 (validize_mem): Call use_anchored_address.
11552 (use_anchored_address): New function.
11553 * common.opt (-fsection-anchors): New switch.
11554 * varasm.c (object_block_htab, anchor_labelno): New variables.
11555 (hash_section, object_block_entry_eq, object_block_entry_hash)
11556 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11557 (use_blocks_for_decl_p, change_symbol_section): New functions.
11558 (get_variable_section): New function, split out from assemble_variable.
11559 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11560 use_blocks_for_decl_p say so. Use change_symbol_section if the
11561 symbol has already been created.
11562 (assemble_variable_contents): New function, split out from...
11563 (assemble_variable): ...here. Don't output any code for
11564 block symbols; just pass them to place_block_symbol.
11565 Use get_variable_section and assemble_variable_contents.
11566 (get_constant_alignment, get_constant_section, get_constant_size): New
11567 functions, split from output_constant_def_contents.
11568 (build_constant_desc): Create a block symbol if use_object_blocks_p
11569 says so. Or into SYMBOL_REF_FLAGS.
11570 (assemble_constant_contents): New function, split from...
11571 (output_constant_def_contents): ...here. Don't output any code
11572 for block symbols; just pass them to place_section_symbol.
11573 Use get_constant_section and get_constant_alignment.
11574 (force_const_mem): Create a block symbol if use_object_blocks_p and
11575 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11576 (output_constant_pool_1): Add an explicit alignment argument.
11577 Don't switch sections here.
11578 (output_constant_pool): Adjust call to output_constant_pool_1.
11579 Switch sections here instead. Don't output anything for block symbols;
11580 just pass them to place_block_symbol.
11581 (init_varasm_once): Initialize object_block_htab.
11582 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11583 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11584 (place_block_symbol, get_section_anchor, output_object_block)
11585 (output_object_block_htab, output_object_blocks): New functions.
11586 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11587 (TARGET_ASM_OUT): Include it.
11588 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11589 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11590 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11591 (TARGET_INITIALIZER): Include them.
11592 * rtl.c (rtl_check_failed_block_symbol): New function.
11593 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11594 (block_symbol, object_block): New structures.
11595 (rtx_def): Add a block_symbol field to the union.
11596 (BLOCK_SYMBOL_CHECK): New macro.
11597 (rtl_check_failed_block_symbol): Declare.
11598 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11599 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11600 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11601 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11602 * output.h (output_section_symbols): Declare.
11603 (object_block): Name structure.
11604 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11605 (default_use_anchors_for_symbol_p): Declare.
11606 * Makefile.in (RTL_BASE_H): Add vec.h.
11607 (explow.o): Depend on output.h.
11608 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11609 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11610 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11611 (rs6000_use_blocks_for_constant_p): New function.
11613 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11615 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11617 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11620 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11623 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11625 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11629 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11631 PR middle-end/26334
11632 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11633 instead of DECL_REGISTER.
11635 2006-02-18 Olivier Hainque <hainque@adacore.com>
11638 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11640 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11643 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11644 * opth-gen.awk: Handle Var and InverseMask together.
11645 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11646 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11647 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11648 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11650 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11651 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11652 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11653 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11654 LINUX_DYNAMIC_LINKER): Define.
11655 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11656 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11658 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11659 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11660 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11661 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11662 (TARGET_C99_FUNCTIONS): Don't define.
11663 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11664 GLIBC_DYNAMIC_LINKER.
11665 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11666 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11667 GLIBC_DYNAMIC_LINKER64): Define.
11668 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11669 LINUX_DYNAMIC_LINKER64.
11670 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11671 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11672 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11673 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11674 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11675 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11676 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11677 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11678 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11679 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11680 and LINUX_DYNAMIC_LINKER32.
11681 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11682 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11683 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11684 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11685 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11687 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11688 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11689 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11690 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11691 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11692 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11693 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11694 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11695 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11696 LINUX_DYNAMIC_LINKER): Define.
11697 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11698 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11699 GLIBC_DYNAMIC_LINKER64): Define.
11700 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11701 LINUX_DYNAMIC_LINKER64.
11702 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11703 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11704 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11705 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11706 LINUX_DYNAMIC_LINKER): Define.
11707 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11708 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11709 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11710 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11711 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11712 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11713 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11714 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11715 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11716 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11717 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11718 * doc/invoke.texi (-muclibc): Remove caveat about supported
11721 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11723 * doc/cpp.texi (__TIMESTAMP__): Document.
11725 2006-02-17 Roger Sayle <roger@eyesopen.com>
11727 PR middle-end/25600
11728 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11729 C is one less than the width of X (and related transformations).
11730 * simplify-rtx.c (simplify_unary_operation_1): Transform
11731 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11732 depending on STORE_FLAG_VALUE, were C is one less then the
11735 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11737 Fix PR tree-optimization/26341
11738 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11739 about NAME_MEMORY_TAG's.
11741 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11744 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11745 with hardware float support, and software float support. Add fcpy
11746 alternative to hardware patterns. Add alternatives to copy between
11747 general and floating-point registers to the 32-bit pattern.
11748 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11749 secondary reload to load a QI or HI mode constant into a floating
11751 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11752 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11754 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11757 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11759 (load_macho_picbase_di): Likewise.
11761 2006-02-16 Jeff Law <law@redhat.com>
11763 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11764 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11765 (ssa_name_nonzero_p): Likewise.
11766 (get_value_range): Return NULL if VRP is not running.
11767 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11768 VRP routines do not discover a range.
11769 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11770 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11771 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11772 (tree_expr_nonnegative_p): Similarly.
11773 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11774 (restore_nonzero_vars_to_original_value): Remove.
11775 (unsafe_associative_fp_binop): Remove.
11776 (tree_ssa_dominator_optimize): Remove initialization and
11777 finalization of nonzero_vars and nonzero_vars_stack.
11778 (dom_opt_initialize_block): No longer push marker on
11779 nonzero_vars_stack.
11780 (dom_opt_finalize_block): No longer call
11781 restore_nonzero_vars_to_original_value.
11782 (record_equivalences_from_phis): No longer look for
11783 nonzero PHI arguments.
11784 (cprop_into_successor_phis): No longer propagate nonzero
11785 property into PHI arguments. Lose unused argument. Caller
11787 (record_equivalences_from_stmt): No longer record nonzero
11788 values for SSA_NAMEs.
11789 (lookup_avail_expr): No longer use nonzero_vars.
11791 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11792 for sizetype when sizetype is unsigned.
11794 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11796 PR rtl-optimization/25603
11797 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11798 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11799 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11800 with new meaning of SETS.
11802 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11807 * config/linux.opt: New file.
11808 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11809 LINUX_DYNAMIC_LINKER): Define.
11810 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11811 * config.gcc (*-*-linux*): Define extra_options.
11812 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11813 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11814 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11815 GLIBC_DYNAMIC_LINKER.
11816 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11817 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11818 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11819 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11820 * doc/invoke.texi (GNU/Linux Options): New section.
11822 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11824 * config/sparc/sparc.md (setjmp): Rewrite.
11825 (setjmp_32): Delete.
11826 (setjmp_64): Likewise.
11828 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11830 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11833 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11835 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11838 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11840 PR rtl-optimization/26296
11841 * Makefile.in (loop-invariant.c): Add except.h dependency.
11842 * loop-invariant.c: Include except.h.
11843 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11845 2005-02-16 Paul Brook <paul@codesourcery.com>
11847 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11850 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11852 PR rtl-optimization/25636
11853 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11854 when deciding whether an insn is an initializing insn.
11856 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11858 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11859 (tree_code_size): Ditto.
11860 * tree.h (struct tree_memory_tag): Remove parent_var.
11861 (struct tree_struct_field_tag): New.
11864 (union tree_node): Add sft member.
11865 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11867 (create_sft): Add size and offset argument, set SFT_OFFSET and
11869 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11870 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11871 * tree-flow-inline.h (get_subvar_at): Update for
11872 SFT_OFFSET/SFT_SIZE.
11873 (var_can_have_subvars): Ditto.
11874 (overlap_subvar): Ditto.
11875 * print-tree.c (print_node): Print out interesting things for
11877 * tree-flow.h (struct subvar): Remove offset and size members.
11878 * tree-ssa-operands.c (get_expr_operands): Update for
11879 get_indirect_ref_operands changes.
11880 (get_indirect_ref_operands): Call add_virtual_operand instead of
11881 add_stmt_operand. Only recurse on base var if requested.
11882 (access_can_touch_variable): New function.
11883 (add_stmt_operand): Split virtual operand handling into ...
11884 (add_virtual_operand): Here. Add offset, size, and for_clobber
11885 arguments. Prune alias sets.
11886 (add_call_clobber_ops): Call add_virtual_operand.
11888 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11890 PR middle-end/26300
11891 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11893 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11894 than TREE_CODE as index into omp_clause_num_ops array.
11896 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11898 PR rtl-optimization/26184
11899 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11901 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11902 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11903 must_precede, must_follow and tobe_scheduled.
11906 * opts.c (common_handle_option): Free new_option pointer.
11907 * df-core.c (df_analyze): Free postorder pointer.
11909 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11911 * Makefile.in: Fix the examples about the use of stamps
11913 2006-02-15 Michael Matz <matz@suse.de>
11915 PR middle-end/22275
11917 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11918 influenced by maximum_field_alignment or DECL_PACKED.
11919 (update_alignment_for_field): Ditto.
11920 (place_field): Ditto.
11921 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11924 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11926 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11927 (debug_flow_info): Pass it.
11928 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11929 * bb-reorder.c (reorder_basic_blocks): Likewise.
11930 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11931 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11932 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11933 * gcse.c (gcse_main, bypass_jumps): Likewise.
11934 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11935 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11936 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11937 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11938 * rtl.h (dump_flow_info): Adjust prototype.
11939 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11940 * var-tracking.c (variable_tracking_main): Likewise.
11941 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11942 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11945 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11947 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11950 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11952 PR tree-optimization/26209
11953 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11954 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11956 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11958 2006-02-14 Roger Sayle <roger@eyesopen.com>
11960 PR middle-end/23670
11961 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11962 (X,Y) and the corresponding symmetry related transformations.
11963 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11964 (X,Y) and its symmetry related transformations.
11966 2006-02-14 Roger Sayle <roger@eyesopen.com>
11968 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11971 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11973 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11975 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11978 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11979 support COMDAT group.
11980 * configure: Regenerate.
11982 2006-02-14 Roger Sayle <roger@eyesopen.com>
11984 PR middle-end/26279
11985 PR middle-end/26280
11986 PR middle-end/26283
11987 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11989 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11991 Fix PR tree-optimization/26260
11993 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11995 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11996 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11997 * tree-ssa-structalias.c (create_variable_info_for): Use
11998 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12000 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12002 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12004 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12005 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12006 of the ending condition.
12007 * tree-ssa-loop-manip.c: Include params.h.
12008 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12009 tree_unroll_loop): New functions.
12010 * tree-pass.h (pass_loop_prefetch): Declare.
12011 * loop.c (rest_of_handle_loop_optimize): Test for
12012 -fprefetch-loop-arrays-rtl.
12013 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12014 * timevar.def (TV_TREE_PREFETCH): New timevar.
12015 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12016 pass_loop_prefetch): New.
12017 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12018 (cleanup_tree_cfg_loop): Call scev_reset.
12019 * common.opt (fprefetch-loop-arrays-rtl): Add.
12020 * tree-ssa-loop-prefetch.c: New file.
12021 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12022 (new_temp_expr_table): Initialize expr_vars.
12023 (free_temp_expr_table): Cleanup expr_vars.
12024 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12025 expressions from being merged into one.
12026 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12027 (struct tree_niter_desc): Add control, bound and cmp fields.
12028 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12030 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12031 (tree-cfgcleanup.o): Add SCEV_H dependency.
12032 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12033 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12035 2006-02-14 Richard Guenther <rguenther@suse.de>
12037 PR tree-optimization/26258
12038 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12039 in PHI argument processing.
12041 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12043 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12044 new expression in the requested machine mode.
12046 2006-02-13 Roger Sayle <roger@eyesopen.com>
12048 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12049 directly, instead let do_compare_rtx_and_jump handle this for us.
12050 * expr.c (expand_expr_real_1): Likewise.
12051 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12052 before do_jump_by_parts_greater.
12053 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12054 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12056 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12058 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12060 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12062 PR rtl-optimization/26235
12063 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12064 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12067 2006-02-13 Jeff Law <law@redhat.com>
12069 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12072 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12074 PR middle-end/26092
12075 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12076 twice if decl is a builtin. When trying again, call get_callee_fndecl
12077 first to verify it is still a builtin.
12079 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12081 * dwarf2out.c (base_type_die): Don't add AT_name here.
12082 (subrange_type_die): Don't add AT_name here.
12083 (modified_type_die): Rearrange code flow. Do add AT_name here.
12085 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12087 PR rtl-optimization/26247
12088 PR rtl-optimization/26248
12089 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12091 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12093 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12094 * config/fixtfdi.c: Likewise.
12095 * config/fixunstfdi.c: Likewise.
12096 * config/floatditf.c: Likewise.
12098 2006-02-13 Roger Sayle <roger@eyesopen.com>
12100 PR middle-end/24427
12101 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12102 into (X,C2) if C1 is a subset of the bits of C2. Transform
12103 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12105 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12107 2006-02-13 Josh Conner <jconner@apple.com>
12110 * varasm.c (function_section): Check for section name before
12111 calling select_section on targets that define
12112 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12113 unlikely_text_section instead of hot_function_section if
12114 first_function_block_is_cold.
12116 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12118 PR middle-end/25335
12119 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12121 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12123 PR rtl-optimization/26222
12124 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12125 after tree->rtl expansion.
12126 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12127 before passing it to emit_move_insn.
12129 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12131 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12133 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12134 Clarify documentation.
12135 * c-common.h (warn_write_strings): Remove.
12136 * c-common.c (warn_write_strings): Likewise.
12137 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12140 2006-02-12 Roger Sayle <roger@eyesopen.com>
12142 PR middle-end/25724
12143 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12144 (do_jump_parts_zero_rtx): New function renamed from
12145 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12146 (do_jump_parts_equality_rtx): New function split out from
12147 do_jump_parts_equality. Old implementation renamed as above.
12148 Call do_jump_parts_zero_rtx if either operand is zero.
12149 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12150 do all of the heavy lifting.
12151 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12152 calling either do_jump_by_parts_greater_rtx or
12153 do_jump_by_parts_equality_rtx.
12154 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12155 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12156 moved to do_compare_rtx_and_jump, call it directly.
12157 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12158 mode argument. Call do_compare_rtx_and_jump.
12159 (emit_case_nodes): Update calls to do_jump_if_equal.
12161 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12163 PR rtl-optimization/26225
12164 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12166 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12168 PR rtl-optimization/26232
12169 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12171 2006-02-11 Jason Merrill <jason@redhat.com>
12174 * tree-inline.c (declare_return_variable): Just don't use the
12175 modify target if it's a gimple complex reg and the return slot
12178 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12180 * doc/contrib.texi: Update my entry.
12182 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12184 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12186 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12188 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12191 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12193 * doc/invoke.texi (-floop-optimize2): Removed.
12194 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12195 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12196 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12197 * common.opt (floop-optimize2): Removed.
12198 (fmove-loop-invariants): Enabled by default.
12200 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12202 * tree-if-conv.c (combine_blocks): Free the result of
12203 get_loop_exit_edges.
12205 2006-02-10 Jeff Law <law@redhat.com>
12207 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12209 PR tree-optimization/26213
12210 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12211 loop trying to follow SSA_NAME_VALUE chains.
12213 2006-02-10 Richard Guenther <rguenther@suse.de>
12215 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12216 deal with structures that end in implicitly variable sized arrays.
12218 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12220 PR rtl-optimization/24762
12221 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12224 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12226 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12227 (struct ivopts_data): Add regs_used field.
12228 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12229 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12230 instead of loop_data->regs_used;
12231 (free_loop_data): Do not free aux fields for loops.
12232 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12233 and tree_ssa_iv_optimize_finalize.
12235 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12237 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12239 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12242 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12243 computing the effective result type.
12245 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12247 PR inline-asm/16194
12248 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12249 (tree_overlaps_hard_reg_set): Declare.
12250 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12251 type and signature to match function type expected by walk_tree.
12252 (tree_overlaps_hard_reg_set): New function.
12253 (decl_conflicts_with_clobbers_p): Rename to:
12254 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12255 Use tree_overlaps_hard_reg_set. Changed caller.
12256 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12257 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12258 * cris.c (cris_md_asm_clobbers): Likewise.
12260 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12262 * reload1.c (emit_input_reload_insns): Delete code that tries to
12263 inherit using find_equiv_reg.
12265 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12267 * c-common.h (flag_const_strings): Don't declare.
12268 * c-common.c (flag_const_strings): Remove.
12269 * c.opt (fconst_strings): Remove.
12270 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12271 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12272 (c_common_init_options): Don't set flag_const_strings.
12273 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12275 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12277 * arm.md (tlobits_cbranch): New pattern.
12278 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12279 testing a single bit.
12281 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12284 * tree-ssa-pre.c (create_component_ref_by_pieces):
12285 Handle RETURN_DECL like VAR_DECL.
12287 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12289 PR middle-end/26134
12290 * fold-const.c (fold_indirect_ref_1): Fold
12291 "*(foo *)&complexfoo" to "__real__ complexfoo"
12292 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12294 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12296 * tree-flow-inline.h (var_can_have_subvars):
12297 Volatile variables should not have subvariables.
12299 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12302 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12303 multiplying unsigned values.
12306 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12308 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12310 2006-02-08 Jason Merrill <jason@redhat.com>
12313 * tree.def: Elaborate on difference from MODIFY_EXPR.
12314 * doc/c-tree.texi (INIT_EXPR): Likewise.
12315 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12316 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12317 (gimplify_target_expr): Likewise.
12318 (gimplify_cond_expr): Remove target handling.
12319 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12320 (gimplify_expr): Clobber it here.
12321 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12322 Do return slot optimization if we have an INIT_EXPR.
12325 * tree-inline.c (declare_return_variable): Also clear
12326 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12329 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12331 PR middle-end/22439
12332 * gimplify.c (gimplify_one_sizepos): Fix typo.
12334 2006-02-08 Jeff Law <law@redhat.com>
12336 PR tree-optimization/21417
12337 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12338 across a backedge if the control statement at the end of the
12339 block is data dependent on other statements in the same block.
12340 (record_temporary_equivalences_from_stmts): Remove over-conservative
12341 test for threading across backedges.
12343 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12344 control statement, handle all three special cases in the same
12345 manner as they all have the same desired solution. No longer
12346 special case edge flag updating when the post dominator is
12349 2006-02-08 Roger Sayle <roger@eyesopen.com>
12351 * tree.def (CHAR_TYPE): Remove.
12352 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12353 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12354 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12355 (gen_string_type_die): Delete unreachable function.
12357 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12358 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12359 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12360 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12361 * builtins.c (type_to_class): Likewise.
12362 * fold-const.c (fold_convert, build_range_check,
12363 merge_ranges): Likewise.
12364 * expr.c (count_type_elements): Likewise.
12365 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12366 * stor-layout.c (layout_type): Likewise.
12367 * ipa-type-escape.c (type_to_consider): Likewise.
12368 * gimplify.c (omp_firstprivatize_type_sizes,
12369 gimplify_type_sizes): Likewise.
12370 * explow.c (promote_mode): Likewise.
12371 * tree-sra.c (is_sra_scalar_type): Likewise.
12372 * varasm.c (output_constant): Likewise.
12373 * tree-inline.c (remap_type_1): Likewise.
12374 * convert.c (convert_to_pointer, convert_to_real,
12375 convert_to_integer, convert_to_complex): Likewise.
12377 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12379 * df-scan.c (df_def_record_1): A set destination may
12380 be a parallel regardless of mode.
12382 2006-02-08 Roger Sayle <roger@eyesopen.com>
12385 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12386 * config/mips/_tilib.c: Remove.
12387 * config/fixtfdi.c: New libgcc source file.
12388 * config/fixunstfdi.c: New source file.
12389 * config/floatditf.c: New source file.
12390 * config/floatunditf.c: New souce file.
12391 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12392 files above instead of config/mips/_tilib.c.
12393 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12395 2006-02-08 Jeff Law <law@redhat.com>
12397 PR tree-optimization/26169
12398 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12401 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12403 * df.h (DF_REG_SIZE): Return the length of the initialized
12406 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12408 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12409 __muldf3): Return a correctly signed zero.
12411 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12413 * passes.c (register_one_dump_file): Accept the current properties
12414 instead of pass number. Adjust call to dump_register. Remove
12416 (register_dump_files): Now a wrapper around...
12417 (register_dump_files_1): ... this one. Do not modify the pass
12419 (next_pass_1): Cosmetic fix.
12420 (execute_todo): Keep second parameter only. Use curr_properties
12421 instead of fetching it from the pass structure. Check and set
12423 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12424 instead of fetching it from the pass structure. Fix calls to
12425 execute_todo. Update curr_properties and initialize .vcg RTL dump
12426 after running the pass. Reset last_verified.
12427 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12429 (FIRST_AUTO_NUMBERED_DUMP): New.
12430 (dump_register): Remove "num" parameter, assign it within the
12432 (get_dump_file_name): Modify template for dumps.
12433 * tree-dump.h (dump_register): Adjust prototype.
12434 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12435 (PROP_trees): Add PROP_gimple_lomp.
12436 (TODO_set_props): New.
12437 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12438 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12439 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12441 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12443 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12444 (sparc64-*-linux*): Likewise.
12445 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12446 * config/sparc/t-linux: New file.
12447 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12448 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12449 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12450 -m32 -mlong-double-128.
12452 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12453 * config/alpha/t-linux: New file.
12454 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12456 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12457 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12458 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12459 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12460 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12461 (CPP_ARCH32_SPEC): Remove.
12463 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12465 PR tree-optimization/26145
12466 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12469 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12472 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12473 >= 240000 when generating code for SOM runtime.
12474 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12475 to $$dyncall when generating code for SOM runtime..
12477 2006-02-07 Dirk Mueller <dmueller@suse.com>
12480 * doc/invoke.texi (-Wsequence-point): Update documentation
12481 that -Wsequence-point is implemented for C++ as well.
12483 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12485 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12486 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12487 (LIB_SPEC): Likewise.
12488 * doc/invoke.texi (SPARC options): Document -pthread.
12490 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12492 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12495 2006-02-07 Roger Sayle <roger@eyesopen.com>
12497 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12498 Correct comment describing BOOLEAN_TYPE.
12500 2006-02-07 Dirk Mueller <dmueller@suse.com>
12502 * c.opt: C++ frontend supports -Wdiv-by-zero.
12503 * c-opts.c (c_common_handle_option): Remove dead case.
12505 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12507 * configure.ac (TLS assembler check): Do not enable TLS by
12508 default on SPARC/Solaris before version 10.
12509 * configure: Regenerate.
12511 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12513 * doc/invoke.texi (xl-compat): Document conversion and support
12516 2006-02-07 Jeff Law <law@redhat.com>
12518 * tree-vrp.c (find_conditional_asserts): Update comments.
12519 (simplify_stmt_for_jump_threading): New.
12520 (identify_jump_threads, finalize_jump_threads): New.
12521 (vrp_finalize): Call identify_jump_threads.
12522 (execute_vrp): Call finalize_jump_threads.
12523 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12524 (vrp_element, vrp_data, vrp_element_p): Remove.
12525 (vrp_hash_elt, vrp_variables_stack): Remove.
12526 (vrp_hash, vrp_eq, record_range): Remove.
12527 (simplify_cond_and_lookup_avail_expr): Remove.
12528 (extract_range_from_cond): Remove.
12529 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12530 (simplify_stmt_for_jump_threading): New.
12531 (dom_thread_across_edge): New wrapper.
12532 (tree_ssa_dominator_optimize): No longer initialize or
12533 finalize any of the VRP datastructures. Remove iteration
12534 step and simplify as a result of removal of iteration step.
12535 (pass_dominator): Perform a cfg cleanup after DOM.
12536 (dom_opt_finalize_block): Use the new common routines
12537 for threading jumps. Simplify stack management slightly.
12538 No longer need to unwind VRP state.
12539 (record_equivalences_from_incoming_edge): No longer record
12541 (eliminate_redundant_computations): No longer call
12542 simplify_cond_and_lookup_avail_expr.
12543 * tree-flow.h (potentially_threadable_block): Prototype.
12544 (thread_across_edge): Likewise.
12545 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12546 (tree-ssa-threadedge.o): Add dependencies.
12547 * tree-ssa-threadedge.c: New file.
12548 * passes.c (init_optimization_passes): Merge PHIs before
12549 calling VRP. Run VRP again late in the SSA optimization pipeline.
12551 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12553 * df-core.c (df_set_blocks): Do not dereference function pointers.
12554 (df_finish1): Likewise.
12555 (df_hybrid_search_forward): Likewise.
12556 (df_hybrid_search_backward): Likewise.
12557 (df_iterative_dataflow): Likewise.
12558 (df_analyze_problem): Likewise.
12559 (df_compact_blocks): Likewise.
12560 (df_dump): Likewise.
12561 * df-scan.c (df_rescan_blocks): Likewise.
12562 (df_record_entry_block_defs): Likewise.
12564 * genconditions.c (write_conditions): Guard the definition of
12565 'insn_conditions' with the check on GCC version.
12566 (write_writer): Guard the traversal 'insn_conditions' with
12567 the check on GCC version.
12569 2006-02-07 Richard Guenther <rguenther@suse.de>
12573 2006-01-30 Richard Guenther <rguenther@suse.de>
12575 * gimplify.c (gimplify_target_expr): Handle easy cases
12576 without creating a temporary.
12578 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12580 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12581 use of float in probability computations. Use edge probabilities
12582 in place of statically computed probabilities.
12583 (min_spec_prob): New static variable.
12584 (schedule_insns): Initialize it.
12585 (GET_SRC_PROB): Removed.
12586 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12588 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12591 * config/ia64/unwind-ia64.c: Revert last change.
12592 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12593 (INCOMING_FRAME_SP_OFFSET): Define.
12595 2006-02-06 Roger Sayle <roger@eyesopen.com>
12597 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12599 2006-02-07 Ben Elliston <bje@au.ibm.com>
12601 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12602 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12603 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12604 (ix86_return_in_memory): Handle TDmode.
12605 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12606 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12608 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12610 * reorg.c (dbr_schedule): Use dump_file instead of file.
12612 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12615 * config/ia64/predicates.md (extr_len_operand): New predicate.
12616 * config/ia64/ia64.md (extv): Tighten constraints.
12618 (*tbit_and_2): Ditto.
12619 (*tbit_and_3): Ditto.
12620 (*tbit_or_2): Ditto.
12621 (*tbit_or_3): Ditto.
12622 (*bit_zero): Ditto.
12625 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12628 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12630 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12632 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12633 loop_optimizer_init and loop_optimizer_finalize
12634 * tree-ssa-sink.c (execute_sink_code): Ditto.
12635 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12636 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12637 tree_ssa_loop_done): Ditto.
12638 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12639 * sched-ebb.c: Include output.h.
12640 (schedule_ebbs): Do not use dump argument.
12641 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12642 * loop.c (loop_dump_stream): Removed.
12643 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12645 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12646 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12647 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12648 loop_iterations, strength_reduce, record_biv, record_giv,
12649 final_giv_value, check_final_value, check_ext_dependent_givs,
12650 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12651 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12652 dump_file instead of loop_dump_stream.
12653 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12654 argument dump_file.
12655 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12657 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12658 * haifa-sched.c: Include output.h
12659 (schedule_insns, sched_init): Do not use dump argument.
12660 * mode-switching.c (optimize_mode_switching): Ditto.
12661 * modulo-sched.c (stats_file): Removed.
12662 (print_node_sched_params): Do not call argument dump_file.
12663 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12664 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12666 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12668 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12669 rtl_loop_init, rtl_loop_done): Ditto.
12670 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12671 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12673 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12674 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12675 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12676 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12677 * emit-rtl.c (renumber_insns): Ditto.
12678 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12679 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12680 * regclass.c (regclass): Ditto.
12681 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12682 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12683 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12684 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12686 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12687 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12689 * gcse.c (gcse_file, debug_stderr): Removed.
12690 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12691 rest_of_handle_gcse): Do not use dump argument.
12692 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12693 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12694 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12695 compute_code_hoist_vbeinout, compute_code_hoist_data,
12696 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12697 compute_store_table, build_store_vectors, insert_insn_start_bb,
12698 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12699 store_motion): Use dump_file instead of gcse_file.
12700 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12701 * profile.c (profile_dump_file): Removed.
12702 (branch_prob): Use dump_file instead of profile_dump_file.
12703 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12705 * tree-ssa-copy.c (dump_copy_of): Ditto.
12706 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12707 dump file to life_analysis.
12708 * bt-load.c (branch_target_load_optimize): Ditto.
12709 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12711 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12712 regclass, dbr_schedule): Declaration changed.
12713 * sched-int.h (sched_init): Declaration changed.
12714 * tree-profile.c (tree_profile_dump_file): Removed.
12715 (tree_profile_hooks): Removed profile_dump_file hook.
12716 * rtl-profile (rtl_profile_dump_file): Removed.
12717 (rtl_profile_hooks): emoved profile_dump_file hook.
12718 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12720 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12721 * tree-cfg.c (build_tree_cfg): Ditto.
12722 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12723 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12724 Declaration changed.
12725 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12726 life_analysis and schedule_insns.
12727 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12729 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12731 * config/mips/mips.c (mips_reorg): Ditto.
12732 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12735 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12737 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12738 (s390_mangle_fundamental_type): New.
12739 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12742 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12743 (alpha_mangle_fundamental_type): New.
12744 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12747 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12749 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12751 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12752 (sparc_mangle_fundamental_type): New.
12754 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12756 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12757 (s390x-*-linux*): Likewise.
12758 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12759 * config/s390/t-linux: New file.
12761 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12763 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12764 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12766 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12768 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12769 (ANTIC_SAFE_LOADS): New macro.
12770 (find_or_generate_expression): Add prototype.
12771 (set_contains_value): Allow null set for sake of not always having
12772 to allocate ANTIC_SAFE_LOADS.
12773 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12774 Allow COMPONENT_REF too.
12775 (valid_in_set): Allow COMPONENT_REF.
12776 Check ANTIC_SAFE_LOADS too.
12777 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12778 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12780 (can_PRE_operation): Add COMPONENT_REF.
12781 (create_component_ref_by_pieces): New function.
12782 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12783 (insert_aux): Move AGGREGATE_TYPE_P check here.
12784 (compute_avail): Set bb local stmt uids.
12785 (pass_pre): Use TODO_update_ssa_only_virtuals.
12787 2006-02-06 Ben Elliston <bje@au.ibm.com>
12789 * configure.ac: Unconditionally disable decimal float by default.
12790 * configure: Regenerate.
12792 2006-02-06 Ben Elliston <bje@au.ibm.com>
12794 * read-rtl.c (read_name): Terminate reading on EOF.
12796 2006-02-06 Ben Elliston <bje@au.ibm.com>
12798 * dfp.c (decimal_real_arithmetic): Change second argument type
12799 from int to enum tree_code. Do not always return true, but now
12800 return result of any call to decimal_do helper functions.
12801 * dfp.h (decimal_real_arithmetic): Update prototype.
12803 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12805 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12807 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12810 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12813 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12815 * tree-vrp.c (cfg_loops): Removed.
12816 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12817 Use current_loops instead of cfg_loops. Pass flags to
12818 loop_optimizer_init.
12819 * cfgloopmanip.c (fix_loop_structure): Update only available
12821 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12822 loop_optimizer_init.
12823 * modulo-sched.c (build_loops_structure): Removed.
12824 (sms_schedule): Use loop_optimizer_init.
12825 * loop-init.c (loop_optimizer_init): Use flags to determine
12826 which properties of loops to prepare.
12827 (rtl_loop_init): Pass flags to loop_optimizer_init.
12828 * tree-ssa-sink.c (execute_sink_code): Ditto.
12829 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12830 * tree-ssa-pre.c (init_pre): Ditto.
12831 * cfgloop.h (LOOPS_NORMAL): New.
12832 (loop_optimizer_init): Declaration changed.
12834 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12836 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12837 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12839 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12841 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12843 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12844 * pa/t-pa64: Delete quadlib.c rule.
12845 * pa/x-ada: Revert last change.
12846 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12848 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12850 PR rtl-optimization/26087
12851 * rtlanal.c (canonicalize_condition): Do not cross basic block
12854 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12857 * config/ia64/ia64.c: Include debug.h.
12858 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12859 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12860 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12861 (process_epilogue, process_set, process_for_unwind_directive):
12862 Output unwind info only if requested. Add CFA info if requested.
12863 Add new arguments as needed. Adjust callers.
12864 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12866 (DWARF2_FRAME_INFO): Define to zero.
12867 * config/ia64/unwind-ia64.c: Remove code that compensated for
12868 the CFA offset error fixed above.
12869 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12870 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12871 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12872 -funwind-tables and -fexceptions to enable frame info.
12873 (dwarf2out_frame_init): Define initial CFA even if
12874 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12875 DWARF2_UNWIND_INFO is nonzero, not just defined.
12876 (dwarf2out_frame_finish): Output non-EH call frame info only
12877 if DWARF2_FRAME_INFO is nonzero.
12878 (convert_cfa_to_loc_list,
12879 compute_frame_pointer_to_cfa_displacement): Define even if
12880 unwind info is not supported.
12881 (gen_subprogram_die): Use the above unconditionally. Remove
12882 legacy alternate code.
12883 * toplev.c (compile_file): Compile in call to
12884 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12885 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12887 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12888 Jakub Jelinek <jakub@redhat.com>
12890 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12891 IBM extended float format long double as "g" on powerpc*-linux.
12893 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12896 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12897 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12899 2006-02-03 Jason Merrill <jason@redhat.com>
12902 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12904 PR middle-end/25977
12905 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12906 on the return slot if it's an NRV.
12908 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12910 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12911 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12912 rewrite_use): Do not handle USE_OUTER.
12913 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12914 add_iv_outer_candidates, may_replace_final_value,
12915 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12916 (find_interesting_uses_op): Functionality of
12917 find_interesting_uses_outer_or_nonlin moved here.
12918 (find_interesting_uses_outside): Use find_interesting_uses_op.
12920 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12923 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12925 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12926 Ulrich Weigand <uweigand@de.ibm.com>
12929 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12930 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12931 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12932 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12934 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12935 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12936 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12937 Define secondary reloads for TFmode moves.
12938 (constant_modes): Add TFmode.
12939 (NR_C_MODES): Set to 8.
12940 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12942 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12943 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12944 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12945 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12946 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12947 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12948 (FPR mode macro): Add TFmode.
12949 (DSF mode macro): New.
12950 (<de>, <dee> mode attributes): Removed.
12951 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12952 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12953 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12954 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12955 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12956 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12957 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12958 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12959 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12960 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12961 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12962 "*negabs<mode>2", "sqrt<mode>2"):
12963 Changed <de> to <xde>. R constraint replaced by <Rf>.
12964 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12966 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12967 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12968 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12970 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12971 "extenddftf2", "extendsftf2"): New expanders.
12972 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12973 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12974 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12975 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12977 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12978 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12979 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12980 __floatditf): Add a GCC_4.1.0 symbol version tag.
12981 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12984 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12987 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12988 Use targetm.binds_local_p instead of TREE_PUBLIC.
12990 2006-02-02 Roger Sayle <roger@eyesopen.com>
12992 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12993 on INTEGER_TYPEs to indicate that it denotes a character type.
12994 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12995 signed_char_type_node, unsigned_char_type_node and char_type_node.
12996 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12997 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12998 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13000 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13001 Daniel Berlin <dberlin@dberlin.org>
13003 * tree-tailcall.c (arg_needs_copy_p): New function.
13004 (eliminate_tail_call): Use arg_needs_copy_p.
13005 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13006 (add_virtual_phis): New function.
13008 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13010 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13011 #ignore instead of #scratch for %g7 .register directive.
13013 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13015 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13018 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13020 * flow.c (calculate_global_regs_live): Assert that there aren't any
13023 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13025 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13026 what its name says.
13027 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13028 bsi_after_labels iterator.
13029 * tree-if-conv.c (find_phi_replacement_condition,
13030 replace_phi_with_cond_modify_expr): Likewise.
13031 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13032 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13034 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13036 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13038 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13041 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13042 array after growing it.
13044 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13046 PR middle-end/24901
13047 * fold-const.c (fold_checksum_tree): Change type of buf.
13049 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13051 * reload.c (push_secondary_reload): Initialize t_icode.
13053 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13055 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13056 -msoft-float -mlong-double-128 only issue a warning, but don't
13057 swich to DFmode long double.
13059 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13061 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13062 has a constant equivalent, iterate over equivalents for arg0,
13063 calling simplify_relational_operation and if there's a result
13064 cheaper than X, apply fold_rtx and return the result.
13066 2006-02-01 Jan Hubicka <jh@suse.cz>
13068 * opts.c (no_unit_at_a_time_default): New global variable.
13069 (decode_options): Use it.
13070 * opts.h (no_unit_at_a_time_default): Declare.
13072 2006-02-01 Paul Brook <paul@codesourcery.com>
13074 * function.c (assign_parm_setup_reg): Use function argument promotion
13076 * expr.c (expand_expr_real_1): Use function argument promotion rules
13079 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13081 * gcc.c (process_command): Change j to 'unsigned int'.
13083 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13085 PR middle-end/26001
13086 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13087 Use the corrected index for the character
13088 out of the string constant.
13090 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13092 * mode-switching.c (optimize_mode_switching): Fix size
13093 allocated for bb_info[n_entities].
13095 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13097 * gcc.c (main): Correct type that is allocated for
13098 explicit_link_files.
13100 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13102 * config/s390/s390.c (init_alignment_context): Set
13103 ALIAS_SET_MEMORY_BARRIER on the MEM.
13104 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13106 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13108 PR middle-end/25933
13109 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13111 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13114 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13116 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13117 * regrename.c: Ditto.
13118 * tree-ssa-loop-im.c: Ditto.
13119 * tree-dump.c: Ditto.
13120 * tree-complex.c: Ditto.
13121 * genrecog.c: Ditto.
13122 * tree-ssa-threadupdate.c: Ditto.
13124 * java/class.c: Ditto.
13125 * java/jcf-parse.c: Ditto.
13126 * java/resource.c: Ditto.
13127 * java/except.c: Ditto.
13128 * java/jvspec.c: Ditto.
13129 * java/jcf-write.c: Ditto.
13130 * java/jcf-path.c: Ditto.
13131 * java/gjavah.c: Ditto.
13132 * java/zextract.c: Ditto.
13133 * java/jcf-io.c: Ditto.
13134 * java/jcf.h: Ditto.
13135 * java/buffer.c: Ditto.
13136 * java/lang.c: Ditto.
13137 * java/parse-scan.y: Ditto.
13138 * java/lex.c: Ditto.
13139 * java/lex.h: Ditto.
13140 * cfgloopmanip.c: Ditto.
13141 * postreload-gcse.c: Ditto.
13142 * tree-ssa-loop-manip.c: Ditto.
13143 * postreload.c: Ditto.
13144 * tree-ssa-loop-ch.c: Ditto.
13147 * cppspec.c: Ditto.
13148 * diagnostic.c: Ditto.
13150 * genoutput.c: Ditto.
13152 * cfghooks.c: Ditto.
13153 * cfgloopanal.c: Ditto.
13154 * objc/objc-act.c: Ditto.
13156 * genextract.c: Ditto.
13157 * genautomata.c: Ditto.
13158 * pretty-print.c: Ditto.
13159 * genemit.c: Ditto.
13160 * cgraphunit.c: Ditto.
13162 * df-scan.c: Ditto.
13163 * haifa-sched.c: Ditto.
13164 * dominance.c: Ditto.
13166 * tree-ssa-loop-ivopts.c: Ditto.
13167 * df-core.c: Ditto.
13168 * mode-switching.c: Ditto.
13169 * modulo-sched.c: Ditto.
13171 * ipa-pure-const.c: Ditto.
13173 * fix-header.c: Ditto.
13175 * tree-stdarg.c: Ditto.
13176 * ipa-utils.c: Ditto.
13177 * loop-init.c: Ditto.
13178 * ipa-inline.c: Ditto.
13179 * cfganal.c: Ditto.
13181 * alloc-pool.c: Ditto.
13182 * dwarf2out.c: Ditto.
13184 * genattrtab.c: Ditto.
13185 * tree-ssa-loop-ivcanon.c: Ditto.
13186 * predict.c: Ditto.
13187 * timevar.c: Ditto.
13189 * fortran/gfortranspec.c: Ditto.
13190 * regmove.c: Ditto.
13191 * local-alloc.c: Ditto.
13192 * langhooks.c: Ditto.
13193 * function.c: Ditto.
13194 * tree-vectorizer.c: Ditto.
13196 * ipa-type-escape.c: Ditto.
13198 * tree-if-conv.c: Ditto.
13199 * profile.c: Ditto.
13201 * tree-data-ref.c: Ditto.
13202 * loop-unroll.c: Ditto.
13203 * treelang/treetree.c: Ditto.
13205 * bt-load.c: Ditto.
13206 * ggc-common.c: Ditto.
13208 * coverage.c: Ditto.
13210 * tree-cfgcleanup.c: Ditto.
13211 * tree-ssa-pre.c: Ditto.
13212 * cfgcleanup.c: Ditto.
13213 * loop-invariant.c: Ditto.
13214 * loop-iv.c: Ditto.
13215 * ipa-prop.c: Ditto.
13216 * print-tree.c: Ditto.
13217 * conflict.c: Ditto.
13218 * ggc-page.c: Ditto.
13219 * sched-deps.c: Ditto.
13220 * regclass.c: Ditto.
13221 * tree-object-size.c: Ditto.
13222 * combine.c: Ditto.
13223 * bb-reorder.c: Ditto.
13224 * resource.c: Ditto.
13225 * var-tracking.c: Ditto.
13226 * cfgloop.c: Ditto.
13227 * df-problems.c: Ditto.
13228 * reg-stack.c: Ditto.
13230 * gccspec.c: Ditto.
13231 * sched-rgn.c: Ditto.
13232 * tree-ssa-structalias.c: Ditto.
13233 * tree-ssa-reassoc.c: Ditto.
13234 * config/darwin-c.c: Ditto.
13235 * config/darwin.c: Ditto.
13236 * config/arm/arm.c: Ditto.
13238 * collect2.c: Ditto.
13239 * reload1.c: Ditto.
13241 2006-01-31 Nicolas Pitre <nico@cam.org>
13243 * arm.md (smaxsi3): Make aware of smax_m1.
13246 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13248 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13250 2006-01-31 Richard Guenther <rguenther@suse.de>
13252 * doc/invoke.texi (-msselibm): Document.
13253 * target.h (expand_library_builtin): New target hook.
13254 * builtins.c (expand_builtin): Use expand_library_builtin.
13255 (default_expand_library_builtin): New function.
13256 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13257 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13258 (link_gcc_math_spec): Declare.
13259 (static_specs): Add link_gcc_math_spec.
13260 * expr.h (default_expand_library_builtin): Declare.
13261 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13262 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13263 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13264 * config/i386/i386.opt (msselibm): New target option.
13265 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13266 (ix86_init_sse_abi_builtins): New function.
13267 (ix86_expand_library_builtin): Likewise.
13268 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13269 (override_options): Handle error conditions wrt -msselibm.
13270 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13271 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13272 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13275 2006-01-31 Richard Guenther <rguenther@suse.de>
13276 Paolo Bonzini <bonzini@gnu.org>
13278 * doc/install.texi (--disable-libgcc-math): Document.
13280 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13282 * expr.h (expand_normal): new inline function.
13283 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13284 * dojump.c: use it.
13285 * dwarf2out.c: use it.
13288 * expmed.c: use it.
13289 * except.c: use it.
13290 * config/sparc/sparc.c: use it.
13291 * config/i386/i386.c: use it.
13292 * config/rs6000/rs6000.c: use it.
13293 * config/arm/arm.c: use it.
13294 * config/mips/mips.c: use it.
13295 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13297 2006-01-30 Roger Sayle <roger@eyesopen.com>
13299 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13300 argv to the appropriate type.
13302 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13304 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13307 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13310 * config/s390/s390.c (struct machine_function): New flag
13311 decomposed_literal_pool_addresses_ok_p.
13312 (s390_reorg): Set it before final stage of literal pool transforms.
13313 (s390_decompose_address): Only accept displacements of the form
13314 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13316 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13318 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13319 the comparison routine return.
13321 2006-01-30 Michael Matz <matz@suse.de>
13323 * global.c (find_reg): Only evict for global regs.
13324 Take n_refs into account and dump more info.
13326 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13329 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13330 (pragma_trap, pragma_nosave_low_regs): Likewise.
13331 (current_function_anonymous_args): Likewise.
13332 (sh_deferred_function_attributes): New variable.
13333 (sh_deferred_function_attributes_tail): Likewise.
13334 (print_operand): For '@', look up trap_exit attribute.
13335 (calc_live_regs): Look up trapa_handler attribute. For trapa
13336 handlers, save/restore fpscr, but don't do any other
13337 interrupt-specific saves.
13338 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13339 Fix check for partially saved registers to check for SHmedia.
13340 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13341 (sh_output_function_epilogue): Don't clear any of the removed
13343 (sh_insert_attributes): Don't check pragma_interrupt.
13344 Insert deferred attributes. Check that interrupt attribute is
13345 present for other attributes that require its presence.
13346 (sh_attribute_table): Add new attributes trapa_handler and
13348 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13349 Don't check for pragma_interrupt. Don't store argument.
13350 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13351 (sh_deferred_function_attributes): Declare.
13352 (sh_deferred_function_attributes_tail): Likewise.
13353 * sh.md (sp_switch_1): Add operand. Change generator caller.
13354 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13355 (*return_i): Don't use when trap_exit attribute is in effect.
13356 (*return_trapa): New insn pattern.
13357 * sh-c.c: New file.
13358 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13359 setting c_target_objs and cxx_target_objs.
13360 * t-sh: Add rule for sh-c.o.
13362 2006-01-30 Richard Guenther <rguenther@suse.de>
13365 * gimplify.c (gimplify_target_expr): Handle easy cases
13366 without creating a temporary.
13368 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13370 * vec.h (safe_grow): Remove duplicated line.
13372 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13375 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13376 (expand_omp): ... here.
13377 (expand_omp_parallel): Only remove barriers for combined
13378 parallel+workshare constructs.
13380 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13384 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13385 * tree.c (build_qualified_type): Chain the new type to the original
13386 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13387 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13388 (build_pointer_type_for_mode): Only return unqualified types.
13389 (build_reference_type_for_mode): Likewise.
13391 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13393 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13394 * Makefile.in (CXX_COMPAT_WARN): Define.
13395 * configure: Regenerate.
13397 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13400 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13403 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13405 * toplev.c: Fix thinko.
13407 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13408 Marcin Dalecki <martin@dalecki.de>
13410 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13411 (push_srcloc): Use XNEW.
13412 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13414 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13416 * df-core.c (df_set_blocks): Deleted all variable.
13418 2006-01-28 Ian Lance Taylor <ian@airs.com>
13420 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13421 cgraph_output_pending_asms.
13423 2006-01-28 Zack Weinberg <zackw@panix.com>
13425 * c.opt: Add -W(no-)overlength-strings.
13426 * doc/invoke.texi: Document it.
13427 * c-opts.c (c_common_handle_option): -pedantic implies
13428 -Woverlength-strings, if not explicitly disabled already.
13429 (c_common_post_options): -Woverlength-strings defaults to off, and
13430 is always off for C++.
13431 * c-common.c (fix_string_type): Issue warning about strings longer
13432 than is portable only if warn_overlength_strings. Rearrange code
13433 a little for clarity.
13434 * configure.in: Check for -Wno-overlength-strings as well before
13435 enabling -pedantic in stage 1.
13436 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13437 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13439 * genconditions.c (write_header, write_one_condition)
13440 (write_conditions, write_writer): Consolidate very long strings
13441 that were broken up to fit in C89 portable limit. Don't use
13442 printf when fputs will do.
13444 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13446 * combine.c (simplify_comparison <AND>): Check
13447 TRULY_NOOP_TRUNCATION before start using a subreg.
13449 * config/mips/mips.md (*branch_zero<mode>,
13450 *branch_zero<mode>_inverted, *branch_equality<mode>,
13451 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13452 Remove mode check from comparisons.
13454 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13456 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13458 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13460 * expmed.c (const_mult_add_overflow_p): Remove.
13461 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13463 * recog.c (validate_replace_rtx_subexp): Remove.
13464 * recog.h: Remove the prototype for
13465 validate_replace_rtx_subexp.
13467 * integrate.h: Remove the prototype for
13468 copy_decl_for_inlining.
13469 * rtl.h: Remove the prototype for mark_constant_function.
13470 * tree-vectorizer.h: Remove the prototype for
13471 vect_strip_conversion.
13473 * modulo-sched.c (create_partial_schedule,
13474 free_partial_schedule, reset_partial_schedule): Make them
13477 * hooks.c (hook_bool_rtx_int_false): Remove.
13478 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13480 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13482 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13483 and -mlong-double-128 are incompatible.
13484 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13485 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13486 (TARGET_LIBGCC2_CFLAGS): Define.
13487 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13488 (TARGET_LIBGCC2_CFLAGS): Same.
13489 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13491 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13494 * c-typeck.c (build_binary_op): Perform implicit casts of
13495 operands before shortening them.
13497 * cfgloopmanip.c (split_loop_bb): Remove.
13498 * cfgloop.h: Remove the prototype for split_loop_bb.
13500 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13501 * cfgloop.h: Remove the prototype for
13502 flow_loop_outside_edge_p.
13504 * emit-rtl.c (init_virtual_regs): Make it static.
13505 * function.h: Remove the prototype for init_virtual_regs.
13507 * recog.c (peephole2_optimize): Make it static.
13508 * recog.h: Remove the prototype for peephole2_optimize.
13510 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13512 * df-scan.c (df_record_entry_block_defs): Check if
13513 INCOMING_RETURN_ADDR_RTX is defined.
13515 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13516 Kenneth Zadeck <zadeck@naturalbridge.com>
13518 PR rtl-optimization/24762
13519 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13520 * targhooks.c (hook_void_bitmap): New hook prototype.
13521 * targhoohs.h (hook_void_bitmap): Ditto.
13522 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13523 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13524 * target.h (live_on_entry): New function pointer.
13525 * df-scan.c (df_all_hard_regs): Removed.
13526 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13527 (df_scan_free_internal): Added df->entry_block_defs.
13528 (df_scan_alloc): Ditto.
13529 (df_scan_dump): Ditto.
13530 (df_uses_record): Plumbed flag field properly thru calls.
13531 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13532 This part fixes PR24762.
13533 (df_bb_refs_record): Added code to make the frame and arg
13534 pointers live in EH blocks.
13535 (df_refs_record): Added call to df_record_entry_block_defs.
13536 (df_record_entry_block_defs): New function.
13537 * df-core.c: Added comments to describe new artifical defs.
13538 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13539 (entry_block_defs): New field in struct df.
13540 (df_all_hard_regs): Deleted.
13541 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13542 * df-problems.c (df_ru_bb_local_compute_process_def):
13543 Added code to handle artifical defs in the entry to a function.
13544 (df_ru_bb_local_compute): Ditto.
13545 (df_rd_bb_local_compute_process_def): Ditto.
13546 (df_rd_bb_local_compute): Ditto.
13547 (df_lr_bb_local_compute): Ditto.
13548 (df_ur_bb_local_compute): Ditto.
13549 (df_urec_bb_local_compute): Ditto.
13550 (df_chain_create_bb): Ditto.
13551 (df_ur_local_finalize): Removed entry.
13552 (df_urec_init): Ditto.
13553 (df_urec_local_finalize): Ditto.
13554 (df_ri_bb_compute): Added detection of last use of pseudos.
13555 * Makefile.in (df-scan.o): Updated dependencies.
13556 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13557 * config/mips/mips.c (mips_set_live_on_entry): Added.
13558 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13560 * dce.c (marked_insn_p): Added code to handle artifical defs.
13562 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13564 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13566 (_mm_cvtsi128_si64): Likewise.
13567 (_mm_cvtsd_si64): Likewise.
13568 (_mm_cvttsd_si64): Likewise.
13569 (_mm_cvtsi64_sd): Likewise.
13570 (_mm_cvtsi64_si128): Likewise.
13571 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13572 (_mm_cvtsi64_m64): Likewise.
13573 (_m_to_int64): Likewise.
13574 (_mm_cvtm64_si64): Likewise.
13575 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13576 (_mm_cvttss_si64): Likewise.
13577 (_mm_cvtsi64_ss): Likewise.
13578 (_mm_cvtss_f32): Likewise.
13580 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13582 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13583 for pragma redefine_extname.
13585 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13588 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13589 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13590 -mno-minimal-toc to previous content.
13591 (bispecs): Remove goal.
13592 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13593 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13594 compatibility aliases on powerpc-*-*gnu*.
13595 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13596 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13597 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13598 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13599 (ldblspecs): New goal.
13600 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13601 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13603 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13604 L_sf_to_tf or L_df_to_tf is defined.
13606 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13607 Alan Modra <amodra@bigpond.net.au>
13610 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13611 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13612 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13613 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13614 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13615 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13616 (rs6000_override_options): Initialize rs6000_ieeequad.
13617 Initialize TFmode format to ibm_extended_format if not
13619 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13621 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13622 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13623 (function_arg_advance): IBM long double passed in two FPRs, not
13625 (function_arg): IBM long double passed in FPRs.
13626 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13627 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13628 Only multireg GPR aligned.
13629 (rs6000_init_libfuncs): Enable IBM long double functions if not
13631 (rs6000_generate_compare): Use IBM long double compare if not
13633 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13634 (TARGET_IEEEQUAD): Define.
13635 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13636 not TARGET_IEEEQUAD.
13637 * config/rs6000/rs6000.md: Enable TFmode patterns if
13639 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13640 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13641 and -mlong-double-128 are incompatible.
13642 * doc/invoke.texi (-mabi): Collect options together. Add
13643 ibmlongdouble and ieeelongdouble.
13645 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13647 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13649 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13650 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13651 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13652 * rtl.h (rtunion_def): Remove rt_ptr.
13654 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13655 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13656 * config/i386/winnt.c (i386_pe_mark_dllexport)
13657 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13659 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13661 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13663 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13667 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13668 pthread_key_delete. From John David Anglin. gthrw-ify
13669 pthread_getunique_np only if it it's not a macro. Delete
13671 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13672 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13673 __gthread_objc_condition_signal, __gthread_key_delete): Add
13674 "__attribute__ ((__unused__))" to unused arguments.
13675 (__gthread_recursive_mutex_init_function): Add missing return.
13676 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13677 gthr-posix95.h: Use macro-based approach for name redirection
13678 on targets missing weakref.
13680 2006-01-26 Zack Weinberg <zackw@panix.com>
13682 * genconditions.c (write_header): In generated code, #ifdef out
13683 all includes and fake declarations, except includes of bconfig.h
13684 and system.h, unless GCC_VERSION >= 3001. Do not include
13685 gensupport.h in any case.
13686 (write_conditions): Generate a definition of struct c_test. Add
13687 a comment to the generated #endif.
13688 (write_one_condition): Escape backslashes in string too.
13689 (write_writer): Generated code must escape backslashes and quote
13690 marks (but not newlines) in the strings it writes.
13691 * Makefile.in (build/gencondmd.o): Update dependencies.
13693 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13696 * Makefile.in (insn-automata.o): Add header file dependencies.
13697 * genautomata.c: Add includes.
13699 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13702 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13704 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13706 * configure.ac: Expect target tools paths to be passed from the toplevel
13707 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13709 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13711 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13714 * c.opt (Wpointer-sign): Init to -1.
13715 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13716 OPT_pedantic, to 0 otherwise.
13717 * doc/invoke.texi: Update.
13719 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13721 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13722 constants provided by 80387 instructions in the destination mode.
13724 2006-01-26 Richard Guenther <rguenther@suse.de>
13725 Andrew Pinski <pinskia@physics.uc.edu>
13728 partial PR tree-opt/17064
13729 * tree-ssa-structalias.c (intra_create_variable_infos):
13730 Create heap variables for incoming parameters if
13731 flag_argument_noalias > 1.
13732 (find_what_p_points_to): Look through default defs of
13735 2006-01-26 Jeff Law <law@redhat.com>
13738 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13739 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13740 within the VR_RANGE, use the VR_RANGE as the result, not the
13742 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13743 bounds for the type.
13745 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13747 * tree-ssa-alias.c (maybe_create_global_var): Change
13748 subvar walking to an assertion that we don't have subvar'd variables.
13750 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13753 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13754 Use a new variable, inner. PARM_DECLs are always non-weak.
13756 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13758 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13759 --disable-checking.
13761 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13763 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13765 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13767 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13768 (smax_insn, smin_insn, smax_0, smin_0): New.
13770 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13773 * config/cris/cris.c (cris_order_for_addsi3): New function.
13774 * config/cris/cris-protos.h: Prototype it.
13775 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13776 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13777 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13778 (split for "op.S1 [rx=rx+i],ry (swapped)")
13779 (split for "op(s|u).S1 [rx=rx+i],ry")
13780 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13781 Apply cris_order_for_addsi3 when generating addsi3 insns.
13783 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13785 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13786 (TREE_BLOCK): Add call to EXPR_CHECK.
13788 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13791 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13792 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13793 (dump_omp_clauses): ... here.
13794 (dump_generic_node): Handle OMP_CLAUSE.
13795 * tree.c (omp_clause_num_ops): New.
13796 (omp_clause_code_name): New.
13797 (tree_code_size): Handle OMP_CLAUSE.
13798 (tree_size): Likewise.
13799 (make_node): Document handling of OMP_CLAUSE.
13800 (tree_node_structure): Handle OMP_CLAUSE.
13801 (omp_clause_check_failed): New.
13802 (omp_clause_range_check_failed): New.
13803 (omp_clause_operand_check_failed): New.
13804 (build_omp_clause): New.
13805 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13806 * tree.h (enum omp_clause_code): Declare.
13807 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13808 (OMP_CLAUSE_RANGE_CHECK): Define.
13809 (OMP_CLAUSE_ELT_CHECK): Define.
13810 (omp_clause_check_failed): Declare.
13811 (omp_clause_operand_check_failed): Declare.
13812 (omp_clause_range_check_failed): Declare.
13813 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13814 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13815 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13816 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13817 (OMP_CLAUSE_IF_EXPR): Likewise.
13818 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13819 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13820 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13821 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13822 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13823 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13824 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13825 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13826 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13827 (OMP_CLAUSE_CODE): Define.
13828 (OMP_CLAUSE_SET_CODE): Define.
13829 (OMP_CLAUSE_CODE): Define.
13830 (OMP_CLAUSE_OPERAND): Define.
13831 (struct tree_omp_clause): Declare.
13832 (union tree_node): Add field 'omp_clause'.
13833 * treestruct.def (TS_OMP_CLAUSE): Define.
13834 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13835 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13836 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13837 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13838 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13839 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13840 (OMP_CLAUSE): Define.
13841 * print-tree.c (print_node): Handle OMP_CLAUSE.
13842 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13843 * c-typeck.c: Likewise.
13844 * gimplify.c: Likewise.
13845 * c-omp.c: Likewise.
13846 * tree-nested.c: Likewise.
13847 * tree-inline.c: Likewise.
13848 * c-parser.c: Likewise.
13849 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13852 2006-01-25 Roger Sayle <roger@eyesopen.com>
13854 PR rtl-optimization/25703
13855 * combine.c (try_combine): Handle zero_extract and strict_low_part
13856 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13858 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13860 * global.c: Fix comment typos.
13862 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13865 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13866 Use output_addr_const instead of assemble_name.
13868 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13870 * Makefile.in (sched-vis.o): Update dependencies.
13871 * haifa-sched.c (sched_finish): Clear current_sched_info.
13872 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13873 (dump_flow_info): Call it.
13874 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13876 * basic-block.h (dump_bb_info): Declare.
13877 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13878 option, and apply options only for dump files whose TDF_RTL,
13879 TDF_TREE, or TDF_IPA bits match.
13880 * rtl.h: Declare new functions exported from sched-vis.c.
13881 * sched-vis.c: Enable also if scheduling is not used.
13882 (print_value): Print the mode of registers if not inside scheduling.
13883 (print_insn): Make it work outside the scheduler. Beautify the output
13885 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13887 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13889 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13890 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13891 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13892 depending on the value of CONSTANT_POOL_ADDRESS_P.
13893 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13895 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13896 rather than SYMBOL_REF_DECL.
13897 (rtx_constant_pool): Remove const_rtx_sym_htab.
13898 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13899 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13900 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13901 Remove handling of const_rtx_sym_htab.
13902 (find_pool_constant): Delete.
13903 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13904 rather than find_pool_constant.
13905 (get_pool_constant_for_function): Delete.
13906 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13907 find_pool_constant.
13908 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13909 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13910 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13911 (SYMBOL_REF_CONSTANT): New macro.
13912 (get_pool_constant_for_function): Delete.
13913 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13914 rather than SYMBOL_REF_DECL.
13915 (i386_pe_mark_dllimport): Likewise.
13916 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13917 rather than SYMBOL_REF_DECL.
13918 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13919 (machopic_indirect_call_target): Likewise.
13921 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13923 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13925 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13927 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13929 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13931 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13933 2006-01-24 David Daney <ddaney@avtrex.com>
13936 * configure.ac (enable_tls): New enable option.
13937 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13938 * configure: Regenerate.
13939 * doc/install.texi (--enable-tls): Document new option.
13940 (--disable-tls): Ditto.
13942 2006-01-24 Richard Henderson <rth@redehat.com>
13944 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13945 * alias.c (true_dependence): Respect it.
13946 (canon_true_dependence, write_dependence_p): Likewise.
13947 * builtins.c (get_builtin_sync_mem): Set it.
13949 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13951 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13954 2006-01-24 DJ Delorie <dj@redhat.com>
13956 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13957 for storing constants in single-bit bitfields.
13959 2006-01-25 Ben Elliston <bje@au.ibm.com>
13961 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13963 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13966 * tree-ssa-pre.c (phi_translate): Return NULL
13967 for AGGREGATE_TYPE's.
13969 2006-01-24 Zack Weinberg <zackw@panix.com>
13971 * genautomata.c (process_state_for_insn_equiv_partition):
13972 Use xcalloc for insn_arcs_array.
13973 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13974 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13976 2006-01-24 Richard Henderson <rth@redhat.com>
13978 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13979 update all callers.
13981 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13983 PR rtl-optimization/25890
13984 PR rtl-optimization/25905
13985 * combine.c (expand_compound_operation, expand_field_assignment):
13986 Fail if the bitfield's final position is out of bounds.
13988 2006-01-24 Ian Lance Taylor <ian@airs.com>
13990 PR middle-end/25930
13991 * cgraphunit.c (cgraph_output_in_order): Don't clear
13992 cgraph_asm_nodes until after asm strings have been output.
13994 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13996 * fix-header.c (read_scan_file): Add new parameter imultilib when
13997 calling register_include_chains.
13999 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14001 * omp-low.c: Update documentation.
14003 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14004 Daniel Berlin <dberlin@dberlin.org>
14008 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14009 return from the function.
14011 2006-01-22 Zack Weinberg <zackw@panix.com>
14013 * rtl.def (match_code): Add second argument.
14014 * genpreds.c (write_extract_subexp): New function.
14015 (write_match_code): Add path argument. Use write_extract_subexp.
14016 (write_predicate_expr): Pass path to write_match_code.
14017 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14018 not perform a mode test.
14019 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14020 a subexpression does not constrain the top-level code set.
14021 * read-rtl.c (read_rtx_variadic): New function.
14022 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14023 * doc/md.texi: Document new notation.
14024 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14025 (cmpsi_operand): ... here, using new notation.
14027 2006-01-22 Zack Weinberg <zackw@panix.com>
14029 * varray.c: Remove GENERATOR_FILE #ifdefs.
14031 2006-01-22 Zack Weinberg <zackw@panix.com>
14033 * genautomata.c (output_reserved_units_table): Emit nothing if
14034 description->query_units_num is zero. Remove extra blank line.
14035 (output_cpu_unit_reservation_p): Short circuit
14036 if description->query_units_num is zero.
14038 2006-01-22 Zack Weinberg <zackw@panix.com>
14040 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14041 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14042 nor any of the random handful of variables that used to be necessary
14043 when this program was linked with rtlanal.o. Prune set of forward
14044 function declarations.
14045 (struct attr_desc): Remove static_p field.
14046 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14047 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14048 (attr_string): Do not read the character one past the length of
14050 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14051 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14052 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14053 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14054 (make_automaton_attrs): New.
14055 (main): Do not call into genautomata. Call local gen_bypass
14056 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14057 Remove special case for insn_alts.
14058 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14059 varray.h (leftover from previous change). Prune set of forward
14060 function declarations. Remove state_alts fields from all
14061 structures. Remove state_alts_table from struct automaton.
14062 Make everything except main static. Do not maintain num_dfa_decls.
14063 Do not maintain state_alts fields of various structures.
14064 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14065 (add_arc): Remove state_alts argument. All callers updated.
14066 (output_reserved_units_table): Emit #ifdef here...
14067 (output_tables): ...not here. Don't generate state_alts tables.
14068 (expand_automata): Don't generate attributes.
14069 (write_automata): Don't generate state_alts functions.
14070 (main): New function.
14071 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14072 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14073 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14074 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14075 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14076 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14077 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14078 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14080 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14081 * genattrtab.h: Delete file.
14082 * Makefile.in (OBJS-common): Add insn-automata.o.
14083 (insn-automata.o): New rule.
14084 (simple_generated_c): Add insn-automata.c.
14085 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14086 (genprogmd): Add automata.
14087 (build/genattrtab): Needs no extra objects nor libraries.
14088 (build/genautomata): Needs build/vec.o and -lm.
14090 2006-01-22 Zack Weinberg <zackw@panix.com>
14092 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14093 (output_dfa_max_issue_rate, locked_states_num): Delete.
14094 (struct automaton): Add locked_states field.
14095 (output_dead_lock_vect): Save number of locked states in
14096 automaton->locked_states. If it is zero, don't print anything.
14097 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14098 (output_internal_dead_lock_func): Only test the dead_lock_vect
14099 for automata that have locked states.
14100 (output_statistics): Always print the number of locked states for
14101 each automaton. Calculate total number of locked states here.
14102 (write_automata): Don't call output_dfa_max_issue_rate.
14103 * genattrtab.c: Define length_unit_log as a const variable.
14104 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14105 max_insn_queue_index const.
14106 * final.c (length_unit_log): Declare const.
14107 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14109 2006-01-22 Zack Weinberg <zackw@panix.com>
14111 * genautomata.c: Include vec.h, not varray.h.
14112 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14113 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14114 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14115 VEC_* macros operating on appropriately typed vectors, or to
14116 malloced arrays when the size is known in advance. Const-ify
14117 many char* variables and function arguments. No functional changes.
14118 * Makefile.in (build/varray.o): Delete rule.
14119 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14120 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14122 2006-01-22 Zack Weinberg <zackw@panix.com>
14124 * gensupport.c: Define get_insn_name and record_insn_name here.
14125 (read_md_rtx): Call record_insn_name as appropriate.
14126 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14127 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14128 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14130 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14131 (BUILD_VARRAY): Delete.
14132 (genprognormal): Rename genprogmd. Fold in all programs from
14133 genprognoprint; also attrtab.
14134 (build/genattrtab): Just mention genautomata.o and varray.o.
14135 Reorganize a bit, add comments to make the categories clearer.
14137 2006-01-22 Zack Weinberg <zackw@panix.com>
14139 * genconditions.c (condition_table, add_condition): Delete.
14140 (write_conditions): Don't emit n_insn_conditions nor
14141 insn_elision_unavailable. Issue the gcc version #ifdef here,
14142 inside the table, with no #else clause ...
14143 (write_header): ...not here.
14144 (write_writer): New function.
14145 (main): Don't initialize condition_table. Use add_c_test.
14147 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14148 files on the command line.
14149 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14150 Return -1 if there is no entry in the table, don't abort.
14151 (add_c_test, traverse_c_tests): New functions.
14152 * gensupport.h (insn_elision_unavailable, insn_conditions)
14153 (n_insn_conditions): Delete declarations.
14154 (add_c_test, traverse_c_tests): Declare.
14155 * read-rtl.c: Include gensupport.h.
14156 (read_conditions): New function.
14157 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14158 (read_rtx_1): If we get EOF when we were looking for an initial
14159 open paren, return 0. Call read_conditions when appropriate.
14160 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14161 dummy-conditions.o. Eliminate references to insn-conditions.o,
14162 or change them to build/gencondmd.o, as appropriate. Remove
14163 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14164 from $(simple_generated_c). For all files remaining in those
14165 two lists, add insn-conditions.md to the generator command line.
14166 Give insn-constants.h/s-constants their own rules. Add rules
14167 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14168 (build/read-rtl.o): Depend on gensupport.h.
14169 (genprognormal): Include preds.
14170 (genprogearly): Rename genprognoprint; only difference is now that
14171 they don't link with $(BUILD_PRINT).
14172 * dummy-conditions.c: Delete.
14174 2006-01-22 Zack Weinberg <zackw@panix.com>
14176 * genextract.c: Don't include insn-config.h. Do include vec.h.
14177 Declare vectors of int, char, and locstr.
14178 (locstr): New typedef.
14179 (struct extraction): Make all array fields into bare pointers.
14180 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14181 (insn_code_number): Delete.
14182 (accum_extract): New struct.
14183 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14184 (gen_insn): Take insn_code_number as an argument. Use an
14185 accum_extract structure instead of loading data directly into
14186 a struct extraction, and having to know how big it might get.
14187 (walk_rtx): Operate entirely on an accum_extract structure.
14188 (print_path): Avoid unnecessary use of printf.
14189 (print_header): New function, split out of main. Distinguish
14190 more carefully between an unrecognizable insn and an insn that
14191 has the code number of a define_expand.
14192 (main): Pass insn_code_number to gen_insn. Call print_header
14193 only after parsing. Avoid unnecessary use of printf.
14194 * Makefile.in (build/vec.o): New rule.
14195 (build/genextract): Depend on build/vec.o.
14196 (build/genextract.o): Don't depend on insn-config.h.
14198 2006-01-22 Zack Weinberg <zackw@panix.com>
14200 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14201 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14202 practical. Eliminate per-generator-program link rules.
14204 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14206 PR middle-end/24437
14207 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14208 with a call expr to ...
14209 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14211 2006-01-23 Richard Guenther <rguenther@suse.de>
14213 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14214 before make_edge with conditional EDGE_TRUE_VALUE.
14216 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14217 Jan Hubicka <jh@suse.cz>
14218 Richard Guenther <rguenther@suse.de>
14220 PR rtl-optimization/25654
14221 * cfgexpand.c (aggregate_contains_union_type): New function.
14222 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14223 for structure variables that contain a union type.
14225 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14227 * gengtype.c (new_structure): Return the structure.
14228 (create_option): Add an extra "next" argument.
14229 (create_field): New function.
14230 (adjust_field_rtx_def): Use create_option and create_field.
14231 Remove a now-unnecessary call to find_structure.
14232 (adjust_field_tree_def): Likewise.
14233 (note_yacc_type): Remove an unnecessary call to find_structure.
14234 * gengtype.h (new_structure): Return the structure.
14235 (create_option): Add an extra argument.
14236 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14237 (option): Adjust calls to create_option.
14239 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14241 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14243 2006-01-22 Paul Brook <paul@codesourcery.com>
14244 Peter Barada <peter@the-baradas.com>
14246 * config/m68k/m68k.md: Add Coldfire FPU support.
14247 Define FP mode macro and associated attributes.
14248 Use it for float mode patterns.
14249 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14250 (LIBCALL_VALUE): Use m68k_libcall_value.
14251 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14252 (m68k_function_value): Ditto.
14253 (emit_move_sequence): Ditto.
14254 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14255 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14256 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14257 (MULTILIB_EXCEPTIONS): Ditto.
14258 * config/m68k/m68k.opt: Add mcfv4e.
14259 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14260 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14261 (m68k_output_function_prologue): Save ColdFire FPU registers.
14262 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14263 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14264 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14265 ColdFire FPU registers.
14266 (m68k_libcall_value, m68k_function_value): New functions.
14267 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14268 (LIBCALL_VALUE): Use m68k_libcall_value.
14269 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14270 (MASK_COLDFIRE): Add MASK_CFV4E.
14271 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14272 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14273 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14274 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14275 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14276 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14277 * doc/invoke.tex: Document -mcfv4e on m68k.
14279 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14281 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14284 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14287 * c-opts.c (c_common_handle_option): Don't include
14288 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14289 * doc/invoke.texi (C++ Dialect Options): Document that
14290 -Wnon-virtual-dtor is no longer included in -Wall.
14292 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14294 * gcov.c (print_version), gcov-dump.c (print_version),
14295 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14298 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14300 * df-scan.c (problem_SCAN): Added NULL reset function.
14301 (df_scan_reset_blocks): Added code to call reset block function
14302 (df_bb_refs_delete) Fixed comment.
14303 (df_insn_refs_delete): Made tolerant of deleting non existent info
14304 for dataflow problems that need to be reset.
14305 * df-core.c (df_set_blocks): Ditto.
14306 * df.h (struct df_problem): Added reset_fun.
14307 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14308 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14309 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14310 functions to clear out all references to def-use or use-def chains.
14312 2006-01-21 Ben Elliston <bje@au.ibm.com>
14314 * varasm.c (assemble_real): Initialise data array.
14316 2006-01-20 Paul Brook <paul@codesourcery.com>
14318 Merge from csl-arm-branch.
14319 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14320 * config/arm/arm.md (movdi): Force operands[1] to a register
14321 if we have a non-register source.
14322 (*arm_movdi, *movdf_soft_insn): Require that one of the
14323 operands be a register.
14324 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14325 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14327 2006-01-20 DJ Delorie <dj@redhat.com>
14329 * varasm.c (initializer_constant_valid_p): Allow pointers
14330 initialized from integer constants of lesser precision.
14331 (output_constant): Allow non-int-sized pointer modes to be
14332 initialized from integer constants.
14334 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14337 * cppdefault.h (struct default_include): Add multilib flag.
14338 * cppdefault.c (cpp_include_defaults): Set it.
14339 * c.opt (-imultilib): New option.
14340 * c-opts.c (imultilib): New.
14341 (c_common_handle_option): Handle -imultilib.
14342 (c_common_post_options): Likewise.
14343 * c-incpath.c (add_standard_paths, register_include_chains):
14345 * c-incpath.h (register_include_chains): Add extra parameter.
14346 * gcc.c (do_spec_1): Generate -imultilib option.
14347 (The Specs Language): Update %I description.
14348 (process_command): Update copyright notice.
14349 * doc/cppopts.texi (-imultilib): Document.
14350 * doc/invoke.texi (-imultilib): Include in option summary.
14351 (%I): Update specs documentation.
14353 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14355 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14357 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14359 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14362 2006-01-20 Richard Guenther <rguenther@suse.de>
14363 Steven Bosscher <stevenb.gcc@gmail.com>
14365 PR rtl-optimization/24626
14366 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14367 EDGE_TRUE_VALUE if in RTL mode.
14370 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14371 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14373 2006-01-20 Dirk Mueller <dmueller@suse.com>
14376 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14377 instead of a special NOP marker.
14378 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14379 NOP marker handling.
14380 * c-common.h (empty_body_warning): Add forward declaration.
14381 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14382 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14384 2006-01-20 Paul Brook <paul@codesourcery.com>
14386 * Makefile.in (lang_checks): Keep going if mkdir fails.
14388 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14390 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14391 be able to clean out basic block when not necessary.
14392 (df_scan_free): Fixed to properly delete information if df is
14393 unused before calling df_finish.
14394 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14395 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14397 (df_bb_refs_delete): New function.
14398 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14399 * df-core.c (df_set_blocks): Added code to properly clean out
14400 unused blocks if they are not part of the blocks to consider.
14401 Added additional null check.
14402 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14403 be able to clean out basic block when not necessary
14404 * df.h (df_free_bb_function): Ditto.
14405 (df_bb_refs_delete): New function.
14406 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14407 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14408 basic block parameter to be able to clean out basic block when not
14410 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14411 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14412 Fixed to properly delete information if df is unused before
14415 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14417 PR rtl-optimization/25799
14418 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14419 Corrected confluence operator to remove bits from op2 before oring
14420 with op1 rather than removing bits from op1.
14421 (df_ru_transfer_function): Corrected test on wrong bitmap which
14422 caused infinite loop. Both of these problems were introduced in
14423 the dataflow rewrite.
14425 2006-01-19 DJ Delorie <dj@redhat.com>
14427 * reload1.c (find_reload_regs): Note the details of reload
14428 failures in the dump file.
14429 (spill_failure): Likewise.
14431 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14433 * loop-iv.c: Include df.h and hashtab.h.
14434 (enum iv_grd_result): New enum.
14435 (DF_REF_IV, DF_REF_IV_SET): New macros.
14436 (struct biv_entry): New.
14437 (df, bivs): New global variables.
14438 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14439 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14441 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14442 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14443 analyzed_for_bivness_p, record_biv): New functions.
14444 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14445 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14446 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14448 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14450 (iv_number_of_iterations): Use new interface to iv analysis.
14451 * loop-unroll.c: Do not include varray.h.
14452 (analyze_iv_to_split_insn): Use new interface to iv
14454 * loop-unswitch.c (may_unswitch_on): Ditto.
14455 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14457 (df_bb_modify): Realloc tables to the new index.
14458 (df_find_use): New function.
14459 * df.h (df_find_use): Declare.
14460 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14462 * cfgloop.h (struct rtx_iv): Remove analysed field.
14463 (iv_get_reaching_def): Removed.
14464 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14465 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14466 (loop-iv.o): Add df.h and hashtab.h dependency.
14467 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14469 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14472 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14474 (__floatundisf, __floatundidf): Likewise.
14475 * libgcc2.h (IS_IBM_EXTENDED): Define.
14477 2006-01-19 DJ Delorie <dj@redhat.com>
14479 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14481 2006-01-19 Paul Brook <paul@codesourcery.com>
14483 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14484 as nothrow when unwinding tables are disabled.
14486 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14489 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14490 of bit-field" when in system header.
14492 2006-01-19 DJ Delorie <dj@redhat.com>
14494 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14495 the 16 bit shift limit of the m16c.
14497 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14500 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14501 * config/i386/i386.c (output_set_got): Output the label if we have one
14502 for the TARGET_DEEP_BRANCH_PREDICTION case.
14504 2006-01-19 Jan Hubicka <jh@suse.cz>
14505 H.J. Lu <hongjiu.lu@intel.com>
14506 Evandro Menezes <evandro.menezes@amd.com>
14508 * invoke.texi (generic): Document
14510 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14511 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14512 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14513 (x86_use_incdec, x86_pad_returns): New variables
14514 (TARGET_CPU_DEFAULT_generic): New constant
14515 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14516 (enum processor_type): Add generic32 and generic64.
14517 * i386.md (cpu attribute): Add generic32/generic64
14518 (movhi splitter): Behave sanely when both partial_reg_dependency and
14519 partial_reg_stall are set.
14520 (K8 splitters): Enable for generic as well.
14521 * predicates.md (incdec_operand): Use TARGET_INCDEC
14522 (aligned_operand): Avoid memory mismatch stalls.
14523 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14524 * ppro.md: Enable for generic32
14525 * i386.c (generic64_cost, generic32_cost): New.
14526 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14527 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14528 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14529 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14530 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14531 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14532 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14533 x86_accumulate_outgoing_args, x86_prologue_using_move,
14534 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14535 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14536 Enable for generic.
14537 (x86_use_incdec, x86_pad_returns): New.
14538 (override_options): Add generic32 and generic64, translate "generic"
14539 to generic32/generic64 and "i686" to "generic32", refuse
14540 "generic32"/"generic64" as arch target.
14541 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14542 (ix86_reorg): Honor PAD_RETURNS.
14544 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14546 * tree-pretty-print.c (dump_generic_node): Handle
14547 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14548 * cgraph.c (cgraph_expand_queue): Rename from
14549 cgraph_analyze_queue. Update all users.
14550 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14551 cgraph_expand_queue.
14552 (cgraph_expand_all_functions): Likewise.
14553 (cgraph_finalize_pending_functions): Remove. Update callers.
14555 * tree.h (OMP_DIRECTIVE_P): Define.
14556 (OMP_PARALLEL_FN): Define.
14557 (OMP_PARALLEL_DATA_ARG): Define.
14558 (OMP_SECTIONS_SECTIONS): Define.
14559 * tree-pass.h (pass_expand_omp): Declare.
14560 * omp-low.c (struct omp_region): Declare.
14561 (struct omp_context): Remove fields 'parallel_type',
14562 'parallel_start_ix' and 'parallel_start_additional_args'.
14564 (struct omp_for_data): Rename from struct expand_omp_for_data.
14565 (omp_regions): New static variable.
14566 (root_omp_region): New static variable.
14567 (find_omp_clause): Make static.
14568 (is_in_combined_parallel_ctx): Remove.
14569 (is_combined_parallel): New.
14570 (extract_omp_for_data): Move earlier in the file.
14571 (workshare_safe_to_combine_p): New.
14572 (get_ws_args_for): New.
14573 (determine_parallel_type): Move earlier in the file.
14574 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14576 (omp_copy_decl): Likewise.
14577 (create_omp_child_function): Likewise.
14578 (lookup_omp_region): New.
14579 (dump_omp_region): New.
14580 (debug_omp_region): New.
14581 (debug_all_omp_regions): New.
14582 (new_omp_region): New.
14583 (scan_omp_parallel): If parallel_nesting_level > 1, the
14584 directive is nested within another parallel directive.
14585 Set OMP_PARALLEL_FN.
14586 (scan_omp_for): Do not try to handle combined parallel+for
14588 Remove FIXME comment.
14589 (scan_omp_nested): Remove.
14590 (scan_omp_1): Do not call scan_omp_nested when
14591 parallel_nesting_level is > 1.
14592 Do not change the DECL_CONTEXT of local variables found.
14593 (lookup_decl_in_outer_ctx): New.
14594 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14595 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14596 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14597 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14598 If CTX is nested, lookup VAR in the outer context when
14599 building copy assignment.
14600 (lower_send_clauses): Rename from expand_send_clauses.
14601 If CTX is nested, lookup VAR in the outer context when
14602 building copy assignments.
14603 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14604 If CTX is nested, lookup VAR in the outer context when
14605 building copy assignments.
14606 (expand_parallel_call): Rename from build_parallel_call.
14607 Handle combined parallel+workshare cases.
14608 Re-implement to emit code into the CFG.
14610 (expand_omp_parallel): Re-implement to emit code into the CFG.
14611 Call move_sese_region_to_fn to outline the sub-graph
14612 containing the parallel region.
14613 (expand_omp_for_1): Remove.
14614 (expand_omp_for_generic): Re-implement to emit code into the
14616 (expand_omp_for_static_nochunk): Likewise.
14617 (expand_omp_for_static_chunk): Likewise.
14618 (expand_omp_for): Likewise.
14619 (expand_omp_sections): Likewise.
14620 (remove_exit_barriers): New.
14621 (expand_omp_synch): New.
14623 (build_omp_regions_1): New.
14624 (build_omp_regions): New.
14625 (execute_expand_omp): New.
14626 (gate_expand_omp): New.
14627 (pass_expand_omp): Define.
14628 (lower_omp_sections): Rename from expand_omp_sections.
14629 Set OMP_SECTIONS_SECTIONS.
14630 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14631 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14632 (lower_omp_single): Rename from expand_omp_simple.
14633 (lower_omp_master): Rename from expand_omp_master.
14634 (lower_omp_ordered): Rename from expand_omp_ordered.
14635 (lower_omp_critical): Rename from expand_omp_critical.
14636 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14637 (lower_omp_for): Re-implement.
14638 (lower_omp_parallel): Re-implement.
14639 (lower_regimplify): Rename from expand_regimplify.
14640 (lower_omp_1): Rename from expand_omp_1.
14641 If there are syntax errors in the program, replace every
14642 OpenMP directive with NOP.
14643 Call lower_omp_* instead of expand_omp_*.
14644 (lower_omp): Rename from expand_omp.
14646 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14647 * tree-gimple.h (enum omp_parallel_type): Remove.
14648 (gimple_boolify): Declare extern.
14649 (find_omp_clause, determine_parallel_type): Remove.
14651 * gimple-low.c (lower_omp_directive): New.
14652 (lower_stmt): Call it.
14653 (record_vars_into): Move from ...
14654 (record_vars): ... here.
14655 Call record_vars_into with current_function_decl.
14657 * gimplify.c (struct gimplify_ctx): Remove fields
14658 combined_pre_p and combined_ctxp. Update users.
14659 (get_formal_tmp_var): Add documentation.
14660 (gimple_boolify): Make extern.
14661 (gimplify_expr_in_ctx): Remove. Update callers.
14662 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14663 will always be a BIND_EXPR.
14664 (gimplify_expr): Handle OMP_RETURN_EXPR.
14665 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14666 (OMP_PARALLEL): Add 3 operands.
14667 (OMP_SECTIONS): Add 1 operand.
14668 (OMP_RETURN_EXPR): Define.
14670 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14671 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14672 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14673 creating a circular free list.
14674 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14676 * tree-flow.h (move_sese_region_to_fn): Declare.
14677 (record_vars_into): Declare.
14678 * tree-cfg.c (make_omp_sections_edges): New.
14679 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14680 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14681 OMP_SECTIONS and OMP_SECTION.
14682 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14683 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14684 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14685 (gather_blocks_in_sese_region): New.
14686 (struct move_stmt_d): Declare.
14687 (move_stmt_r): New.
14688 (move_block_to_fn): New.
14689 (move_sese_region_to_fn): New.
14691 * passes.c (init_optimization_passes): Schedule
14692 pass_expand_omp after pass_init_datastructures.
14694 * tree-ssa-operands.c (get_expr_operands): Handle
14695 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14696 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14698 2006-01-19 Jeff Law <law@redhat.com>
14700 * tree-vrp.c (extract_range_from_assert): Refine the result range
14701 if the variable referenced by the ASSERT_EXPR has a range and
14702 either the tentative result range or the previous range is a
14705 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14707 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14709 2006-01-19 Jan Hubicka <jh@suse.cz>
14711 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14713 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14715 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14716 (expand_compound_operation, expand_field_assignment): Fail if the
14717 bit lengths of an extract operation are out of range.
14718 (make_extraction): Compute wanted_inner_mode based on the position
14719 and length of the extraction. Make it extraction_mode for non-constant
14720 positions, and do not modify offset in that case. When generating a
14721 new MEM, use a mode that can hold the extraction while keeping correct
14722 alignment. Remove code that supported MEMs wrapped by USEs.
14723 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14725 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14727 * config/s390/s390.md ("Y", "y"): New mode attribute.
14728 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14729 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14730 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14731 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14732 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14733 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14734 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14735 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14736 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14737 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14738 "addsi3", "subsi3"): Insn patterns removed.
14739 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14740 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14741 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14742 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14743 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14744 "*sub<mode>3_cconly2"): New insn patterns.
14745 ("addsi3", "subsi3"): New expanders.
14747 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14749 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14750 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14751 existing STMT_VINFO_VECTYPE if available.
14752 (vect_mark_relevant): Add special handling for stmts that are
14753 marked as STMT_VINFO_IN_PATTERN_P.
14754 (vect_analyze_loop): Call vect_pattern_recog.
14755 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14756 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14758 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14759 (vect_recog_func_ptr): New function-pointer type.
14760 * tree-vect-patterns.c: New file.
14761 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14762 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14763 (vect_pattern_recog_1): New functions.
14764 (vect_pattern_recog_funcs): New array of function pointers.
14766 * tree-vectorizer.h (ternary_op): New enum value.
14767 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14768 declaration. Revised documentation. Removed redundant dump prints.
14769 Removed redundant argument. Added support for reduction patterns.
14770 (vectorizable_reduction): Added support for reduction patterns.
14771 (vect_transform_stmt): Added support for patterns.
14773 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14774 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14775 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14776 (expand_widen_pattern_expr): New function.
14777 (init_optabs): Initialize new optabs udot_prod_optab,
14779 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14780 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14781 (expand_widen_pattern_expr): New function declaration.
14782 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14784 * tree-inline.c (estimate_num_insns_1): Added cases for new
14785 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14786 * tree-pretty-print.c (dump_generic_node): Likewise.
14787 (op_prio): Likewise.
14788 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14789 * tree-ssa-operands.c (get_expr_operands): Added case for
14791 * tree-vect-patterns.c (widened_name_p): New function.
14792 (vect_recog_dot_prod_pattern): Added function implementation.
14793 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14794 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14795 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14796 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14798 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14799 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14800 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14801 (init_optabs): Initialize new optabs widen_ssum_optab,
14803 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14804 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14805 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14806 use instead of type of def.
14807 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14808 function implementation.
14809 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14810 widen_ssumv8hi): New.
14812 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14815 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14818 * c-decl.c (add_flexible_array_elts_to_size): New function.
14819 (finish_decl): Use it.
14821 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14823 * diagnostic.h: Include options.h.
14824 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14825 dependancies for diagnostic.h.
14826 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14828 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14830 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14831 (ssa_ro_call_cache_valid): Ditto.
14832 * tree-ssa-alias.c (sort_tags_by_id): New function.
14833 (init_transitive_clobber_worklist): Ditto.
14834 (add_to_worklist): Ditto.
14835 (mark_aliases_call_clobbered): Ditto.
14836 (compute_tag_properties): Ditto.
14837 (set_initial_properties): Ditto.
14838 (compute_call_clobbered): Ditto.
14839 (compute_may_aliases): Call compute_call_clobbered and grouping.
14840 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14841 (compute_flow_insensitive_aliasing): Grouping now happens in our
14843 (setup_pointers_and_addressables): Remove clobbering related code.
14844 (add_may_alias): Ditto.
14845 (replace_may_alias): Ditto.
14846 (get_nmt_for): Ditto.
14847 (create_global_var):
14848 (is_escape_site): Return an escape_type enumeration.
14849 * tree-flow-inline.h (is_call_clobbered): Global var does not
14850 imply call clobbered.
14851 (mark_call_clobbered): Take a reason for marking this. Remove
14852 marking of globalness, and cache invalidation.
14853 (clear_call_clobbered): Remove cache invalidation code.
14854 * tree-dfa.c (dump_variable): If details is on, dump the reason
14856 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14858 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14859 (struct var_ann_d): Ditto.
14860 (enum escape_type): New.
14861 (mark_call_clobbered): Adjust prototype.
14862 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14863 are never call clobbered.
14864 Record reasons for escaping.
14865 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14866 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14867 (ssa_ro_call_cache_valid): Ditto.
14868 (clobbered_v_may_defs): Ditto.
14869 (clobbered_vuses): Ditto.
14870 (ro_call_vuses): Ditto.
14871 (clobber_stats): New.
14872 (init_ssa_operands): Zero out clobber stats.
14873 (fini_ssa_operands): Print out clobber stats.
14874 (get_call_expr_operands): Pass callee fndecl to
14875 add_call_read_ops).
14876 (add_call_clobber_ops): Remove use of cache.
14877 Add use of PURE_CONST information.
14878 (add_call_read_ops): Remove use of cache.
14879 Add use of static not_read information.
14881 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14883 Introduce TLS descriptors for i386 and x86_64.
14884 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14885 (TARGET_ANY_GNU_TLS): New macro.
14886 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14887 (struct machine_function): Add tls_descriptor_call_expanded_p.
14888 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14889 (ix86_current_function_calls_tls_descriptor): Likewise.
14890 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14891 (override_options): Introduce gnu2 tls dialect.
14892 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14894 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14896 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14897 (ix86_init_machine_status): Initialize new field.
14898 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14899 (ix86_tls_module_base): New.
14900 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14901 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14902 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14903 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14904 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14905 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14906 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14907 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14908 * config/i386/predicates.md (tls_modbase_operand): New.
14909 (tp_or_register_operand): New.
14911 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14913 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14914 (look_for_address_of): Ditto.
14915 (ipa_init): Walk the function decls.
14916 (static_execute): Don't set readonly on FUNCTION_DECL's.
14918 2006-01-18 Roger Sayle <roger@eyesopen.com>
14920 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14921 for shifts where the source and destination registers are different.
14923 2006-01-18 Paul Brook <paul@codesourcery.com>
14925 Merge from csl-arm-branch.
14926 2005-03-14 Julian Brown <julian@codesourcery.com>
14927 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14928 (aeabi_llsl): Likewise.
14929 (ashrdi3): Likewise.
14930 (aeabi_lasr): Likewise.
14931 (lshrdi3): Likewise.
14932 (aeabi_llsr): Likewise.
14933 2005-03-10 Julian Brown <julian@codesourcery.com>
14934 * config.gcc: Disable shared libgcc for SymbianOS.
14935 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14937 2006-01-18 DJ Delorie <dj@redhat.com>
14939 * c-pragma.c (handle_pragma_diagnostic): New.
14940 (init_pragma): Register it.
14941 * doc/extend.texi: Document it.
14943 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14944 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14945 (diagnostic_context): Add classify_diagnostic[].
14946 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14947 as errors if they're overridden to DK_WARNING.
14948 (diagnostic_initialize): Initialize classify_diagnostic[].
14949 (diagnostic_set_kind_override): New.
14950 (diagnostic_report_diagnostic): Check for kind changes.
14951 * opts.c (common_handle_option): Take lang_mask. Update callers.
14952 Handle OPT_Werror_.
14953 * common.opt (Werror=): New.
14954 * doc/invoke.texi: Document -Werror=*
14956 2006-01-18 Jeff Law <law@redhat.com>
14958 * tree-vrp.c (test_for_singularity): Correct test for new
14959 min limit. Use operand_equal_p rather than pointer equality
14960 for testing if new min/max values are equal.
14962 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14963 using range information until after propagation and folding.
14965 2006-01-18 Richard Henderson <rth@redhat.com>
14966 Aldy Hernandez <aldyh@redhat.com>
14967 Jakub Jelinek <jakub@redhat.com>
14968 Diego Novillo <dnovillo@redhat.com>
14970 * omp-low.c: New file.
14971 * c-omp.c: New file.
14973 2006-01-18 Richard Henderson <rth@redhat.com>
14974 Jakub Jelinek <jakub@redhat.com>
14975 Diego Novillo <dnovillo@redhat.com>
14977 * doc/invoke.texi: Document -fopenmp.
14978 * tree-dump.h (debug_function): Declare.
14979 * hooks.c (hook_bool_tree_bool_false): New function.
14980 (hook_tree_tree_null): Remove.
14981 (hook_tree_tree_tree_null): New.
14982 * hooks.h: Update to match.
14983 * tree-pretty-print.c (debug_tree_chain): New.
14984 (print_generic_expr): Handle TDF_CHAIN.
14985 (dump_generic_node): Handle BLOCK.
14986 Do not abort with incomplete SWITCH_EXPRs.
14987 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14988 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14989 print space after directive name.
14990 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14991 Handle OMP_MASTER and OMP_ORDERED.
14992 Handle printing of OMP_BODY just in one place, goto
14993 dump_omp_body in the rest of OMP_* nodes that have
14995 Don't handle clause nodes here. Update omp statements to
14996 use dump_omp_clauses.
14997 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14998 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14999 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15000 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15001 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15002 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15003 Adjust output for GOMP_PARALLEL.
15004 (dump_omp_clauses): New.
15005 (print_declaration): Dump DECL_VALUE_EXPR.
15006 (op_symbol_1): Split out of op_symbol.
15007 (dumping_stmts): Remove. Update all users.
15008 * cgraph.c (cgraph_analyze_queue): New.
15009 (cgraph_add_new_function): New.
15010 * cgraph.h (cgraph_analyze_queue): Declare.
15011 (cgraph_add_new_function): Declare.
15012 (cgraph_lower_function): Remove.
15013 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15014 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15015 and TYPE_P nodes in its default clause.
15016 (empty_body_p): New.
15017 (tree_range_check_failed): New.
15018 (build5_stat): New.
15019 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15020 OMP_CLAUSE_REDUCTION_MERGE,
15021 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15022 OMP_CLAUSE_PRIVATE_DEBUG,
15023 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15024 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15025 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15026 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15027 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15028 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15029 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15030 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15031 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15032 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15033 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15034 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15035 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15036 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15037 (TREE_RANGE_CHECK): New.
15038 (empty_body_p): Declare.
15039 (enum omp_clause_default_kind): New.
15040 (build_string_literal): Declare.
15041 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15042 (build5_stat, build5): Declare.
15043 * tree-pass.h (TDF_CHAIN): Define.
15044 * tree-pass.h (PROP_gimple_lomp): Define.
15045 (pass_lower_omp): Declare.
15046 * diagnostic.h (debug_tree_chain): Declare.
15047 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15049 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15050 * builtins.c (build_string_literal): Make extern.
15051 * gcc.c (include_spec_function): New.
15052 (static_spec_functions): Add it.
15053 (main): Move load of libgomp.spec ...
15054 (LINK_COMMAND_SPEC): ... here.
15055 (link_gomp_spec): New.
15056 (static_specs): Include it.
15057 (LINK_COMMAND_SPEC): Add link_gomp.
15058 (GOMP_SELF_SPECS): New.
15059 (driver_self_specs): Include it.
15060 (switch_matches): Don't mark inline.
15061 (main): Load libgomp.spec.
15062 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15063 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15064 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15065 * tree-gimple.h (enum omp_parallel): Declare.
15066 (determine_parallel_type): Declare.
15067 (omp_firstprivatize_variable): Declare.
15068 (omp_reduction_init): Declare.
15069 (diagnose_omp_structured_block_errors): Declare.
15070 (struct walk_stmt_info): Add want_return_expr.
15071 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15072 (find_omp_clause): Declare.
15073 (insert_field_into_struct): Declare.
15074 (struct walk_stmt_info): Move from tree-nested.c
15075 (walk_stmts): Declare.
15076 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15078 * cgraphunit.c (cgraph_lower_function): Make static.
15079 (cgraph_finalize_pending_functions): New.
15080 (cgraph_finalize_function): Call it.
15081 (cgraph_finalize_compilation_unit): Likewise.
15082 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15083 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15084 (BT_FN_UINT_UINT): New.
15085 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15086 DEF_FUNCTION_TYPE_VAR_4): Document.
15087 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15088 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15089 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15090 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15091 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15092 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15093 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15094 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15095 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15096 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15097 into separate files.
15098 (DEF_GOMP_BUILTIN): New.
15099 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15100 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15101 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15102 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15103 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15104 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15105 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15106 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15107 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15108 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15109 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15110 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15111 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15112 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15113 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15114 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15115 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15116 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15117 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15118 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15119 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15120 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15121 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15122 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15123 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15124 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15125 * sync-builtins.def: New file, moved from builtins.def.
15126 * omp-builtins.def: New file, moved from builtins.def.
15127 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15128 * gimple-low.c (lower_function_body): Clear data.
15129 (lower_stmt): Do not handle COMPOUND_EXPR.
15130 Remove call to print_node_brief.
15131 * c-tree.h (c_finish_omp_clauses): New prototype.
15132 (C_DECL_THREADPRIVATE_P): Define.
15133 (lookup_name_no_remap, c_omp_remap_private): Remove
15134 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15135 (check_for_loop_decls): Update decl.
15136 (lookup_name_no_remap, c_omp_remap_private): Declare.
15137 (build_indirect_ref, build_modify_expr, pushdecl,
15138 pushdecl_top_level): Move to c-common.h.
15139 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15140 before the switch, but just in the 2 places that need it.
15141 * c-decl.c (diagnose_mismatched_decls): Do not check for
15142 mismatched thread-local attributes when OLDDECL is marked
15143 threadprivate and NEWDECL has no thread-local attributes.
15144 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15145 (c_gimple_diagnostics_recursively): Rename from
15146 c_warn_unused_result_recursively. Invoke
15147 diagnose_omp_structured_block_errors.
15148 (check_for_loop_decls): Return a singular decl found.
15149 * langhooks.c (lhd_omp_predetermined_sharing): Return
15150 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15151 (lhd_omp_firstprivatize_type_sizes): New.
15152 (lhd_omp_assignment): New.
15153 (lhd_omp_predetermined_sharing): New.
15154 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15155 (struct lang_hooks_for_types): Add
15156 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15157 omp_predetermined_sharing, omp_disregard_value_expr,
15158 omp_private_debug_clause, omp_clause_default_ctor,
15159 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15160 (c_finish_omp_clauses): New.
15161 (c_finish_bc_stmt): Diagnose break within omp for.
15162 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15163 (build_unary_op): Return error_mark after reporting
15165 (build_modify_expr): Likewise.
15166 * gimplify.c: Include optabs.h and pointer-set.h.
15167 (enum gimplify_omp_var_data): Declare.
15168 (struct gimplify_omp_ctx): Declare.
15169 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15171 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15172 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15173 (splay_tree_compare_decl_uid): New.
15174 (new_omp_context): New.
15175 (delete_omp_context): New.
15176 (gimple_add_tmp_var): Call omp_add_variable.
15177 (gimplify_bind_expr): Likewise.
15178 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15179 true, disregard DECL_VALUE_EXPR on the decl if any.
15180 (gimplify_expr_in_ctx): New.
15181 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15182 omp_add_variable, omp_notice_variable, omp_is_private
15183 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15184 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15185 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15186 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15187 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15188 gimplify_omp_atomic): New.
15189 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15190 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15191 OMP_CRITICAL and OMP_ATOMIC.
15192 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15193 * c-pragma.h (enum pragma_kind): Add
15194 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15195 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15196 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15197 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15198 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15199 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15200 PRAGMA_OMP_THREADPRIVATE.
15201 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15202 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15203 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15204 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15205 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15206 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15207 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15208 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15209 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15210 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15211 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15212 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15213 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15215 (struct nesting_info): Add field_map,
15216 suppress_expansion, debug_var_chain.
15217 (create_nesting_tree): Initialize them.
15218 (lookup_field_for_decl): Use field_map.
15219 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15220 (convert_local_omp_clauses): New.
15221 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15222 (walk_body): Split out of walk_function.
15223 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15224 (convert_nonlocal_reference): Handle omp statements.
15225 (convert_local_reference): Likewise.
15226 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15227 (unnest_nesting_tree): New.
15228 (lower_nested_functions): Call it.
15229 (insert_field_into_struct): Make extern.
15230 (struct walk_stmt_info): Move to tree-gimple.h.
15231 (walk_stmts): Make extern.
15232 * omp-builtins.def: New file.
15233 * tree-iterator.c (expr_only): Clarify comment.
15234 * c-common.h (pushdecl_top_level, pushdecl,
15235 build_modify_expr, build_indirect_ref,
15236 c_finish_omp_master, c_finish_omp_critical,
15237 c_finish_omp_ordered, c_finish_omp_barrier,
15238 c_finish_omp_atomic, c_finish_omp_flush,
15239 c_finish_omp_for, c_split_parallel_clauses,
15240 omp_clause_default_kind, c_omp_sharing_predetermined,
15241 c_omp_remap_decl): Declare.
15242 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15243 (OBJS-common): Add omp-low.o.
15244 (c-omp.o, omp-low.o): Add.
15245 (gimplify.o): Add dependency on $(OPTABS_H).
15246 (GTFILES): Add omp-low.c.
15247 (gt-stringpool.h): Add.
15248 * tree-cfg.c (set_bb_for_stmt): Do not update the
15249 block-to-labels map if we are currently expanding to RTL.
15250 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15252 Handle IDENTIFIER_NODE.
15253 (tree_verify_flow_info): Do not ICE when emitting error
15254 messages about invalid labels.
15255 (dump_function_to_file): Reset CFUN before emitting the body
15257 (debug_function): New.
15258 * passes.c (init_optimization_passes): Schedule
15260 * langhooks-def.h (lhd_omp_predetermined_sharing,
15261 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15263 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15264 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15265 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15266 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15267 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15268 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15269 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15270 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15271 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15272 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15273 (LANG_HOOK_DECLS): Use them.
15275 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15276 Richard Henderson <rth@redhat.com>
15277 Jakub Jelinek <jakub@redhat.com>
15278 Diego Novillo <dnovillo@redhat.com>
15280 * c-parser.c (pragma_omp_clause): Define.
15281 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15282 (c_parser_compound_statement): Likewise.
15283 (c_parser_statement): Likewise.
15284 (c_parser_pragma): Handle omp pragmas.
15285 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15286 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15287 (c_parser_omp_clause_name, check_no_duplicate_clause,
15288 c_parser_omp_variable_list,
15289 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15290 c_parser_omp_clause_copyprivate,
15291 c_parser_omp_clause_default,
15292 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15293 c_parser_omp_clause_lastprivate,
15294 c_parser_omp_clause_nowait,
15295 c_parser_omp_clause_num_threads,
15296 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15297 c_parser_omp_clause_reduction,
15298 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15299 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15300 c_parser_omp_atomic, c_parser_omp_barrier,
15301 c_parser_omp_critical, c_parser_omp_flush,
15302 c_parser_omp_for_loop, c_parser_omp_for,
15303 c_parser_omp_master, c_parser_omp_ordered,
15304 c_parser_omp_sections_scope, c_parser_omp_sections,
15305 c_parser_omp_parallel, c_parser_omp_single,
15306 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15307 * c-pragma.c (init_pragma): Do omp pragma registration here.
15308 * c.opt (fopenmp): New flag.
15310 2006-01-18 Eric Christopher <echristo@apple.com>
15312 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15313 * config/darwin.h (GOMP_SELF_SPECS): Define.
15315 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15317 * rtl.h: Remove the prototype for reg_alloc.
15319 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15322 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15323 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15324 sjlj and dwarf2 exception handling.
15325 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15326 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15327 * pa/pa.c (function_value): Treat complex and vector types as
15329 (function_arg): Likewise. Only pass scalar floats in the floating
15330 point argument registers.
15331 * pa/t-slibgcc-dwarf-ver: New file.
15332 * pa/t-slibgcc-sjlj-ver: New file.
15333 * pa/t-slibgcc-elf-ver: Delete file.
15335 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15337 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15338 unlikely_test_section_p test.
15340 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15342 * mode-switching.c (optimize_mode_switching): Make it static.
15343 * basic-block.h: Remove the prototype for
15344 optimize_mode_switching.
15346 * modulo-sched.c (sms_schedule): Make it static.
15347 * rtl.h: Remove the prototype for sms_schedule.
15349 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15350 * rtl.h: Remove the prototype for gcse_after_reload_main.
15352 * reg-stack.c (reg_to_stack): Make it static.
15353 * rtl.h: Remove the prototype for reg_to_stack.
15355 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15357 * rtl.h: Remove the prototypes for regrename_optimize and
15358 copyprop_hardreg_forward.
15360 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15362 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15363 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15364 Test against the appropriate null constant for the mode.
15365 If 'fixup_overlap' is true, swap the operands if they overlap.
15366 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15367 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15368 alpha_split_tmode_pair and adjust for above change.
15369 * config/alpha/alpha.md (movtf_internal): Adjust call to
15370 alpha_split_tfmode_pair and rely on it to swap the operands.
15371 (movti_internal): New insn and post-reload splitter.
15372 (movti): New expander.
15374 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15376 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15379 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15381 * rtlanal.c (global_reg_mentioned_p_1,
15382 global_reg_mentioned_p): Remove.
15383 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15385 * flow.c (initialize_uninitialized_subregs): Make it static.
15386 * rtl.h: Remove the prototype for
15387 initialize_uninitialized_subregs.
15389 * function.c (instantiate_virtual_regs): Make it static.
15390 * function.h: Remove the prototype for
15391 instantiate_virtual_regs.
15393 * regmove.c (regmove_optimize, combine_stack_adjustments):
15395 * rtl.h: Remove the prototypes for regmove_optimize and
15396 combine_stack_adjustments.
15398 2006-01-17 Roger Sayle <roger@eyesopen.com>
15400 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15401 (size_cost): Encode costs in bytes so that a reg-reg addition is
15402 equivalent to COSTS_N_INSNS(1).
15403 (override_options): Use the size_cost.branch_cost as the default
15404 ix86_branch_cost when optimizing for size.
15406 2006-01-18 Ben Elliston <bje@au.ibm.com>
15408 * Makefile.in (D32PBIT_FUNCS): New.
15409 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15410 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15411 D64PBIT_FUNCS and D128PBIT_FUNCS.
15412 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15413 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15415 (decnumber_dep): Define.
15416 * doc/libgcc.texi (Decimal float library routines): New node.
15417 * config/dfp-bit.h, config/dfp-bit.c: New files.
15419 2006-01-18 Ben Elliston <bje@au.ibm.com>
15421 * expr.c (emit_move_change_mode): Always adjust addresses, not
15422 just during reload. Copy replacements only during reload.
15423 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15424 emit_move_via_integer.
15426 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15428 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15429 instead of $(srcdir) and ${srcdir}.
15431 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15434 PR middle-end/11135
15435 * arm.h (struct machine_function): Add pic_reg.
15436 * arm.c (arm_pic_register): Make unsigned.
15437 (arm_override_options): Only set arm_pic_register if
15438 TARGET_SINGLE_PIC_BASE.
15439 (use_return_insn): Only test for a pic register if it is fixed.
15440 (arm_compute_save_reg0_reg12_mask): Likewise.
15441 (thumb_compute_save_reg_mask): Likewise.
15442 (legitimate_pic_operand): Factor out some known invariants.
15443 (legitimize_pic_address): If we don't have a fixed pic register,
15444 then set up a pseudo in the function entry sequence. Handle the
15445 pic base being in a pseudo.
15446 (arm_load_pic_register): Handle the pic register being in a pseudo.
15447 (arm_expand_prologue): Only set up the pic register if it is fixed.
15448 (thumb_expand_prologue): Likewise.
15449 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15450 (pic_load_addr_based_insn): Likewise.
15451 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15454 2006-01-18 Ben Elliston <bje@au.ibm.com>
15456 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15457 decimal float modes for all floating point registers.
15459 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15460 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15462 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15465 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15466 even when the pointer is not NULL.
15468 2006-01-16 Ian Lance Taylor <ian@airs.com>
15470 * common.opt (ftoplevel-reorder): New option.
15471 * cgraph.c (cgraph_asm_nodes): New global variable.
15472 (cgraph_asm_last_node): New static variable.
15473 (cgraph_order): New global variable.
15474 (cgraph_create_node): Set new order field.
15475 (cgraph_varpool_node): Likewise.
15476 (decide_is_variable_needed): Return true if not
15477 flag_toplevel_reorder.
15478 (cgraph_add_asm_node): New function.
15479 * cgraph.h (struct cgraph_node): Add order field.
15480 (struct cgraph_varpool_node): Add order field.
15481 (struct cgraph_asm_node): Define.
15482 (cgraph_asm_nodes, cgraph_order): Declare.
15483 (cgraph_add_asm_node): Declare.
15484 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15486 (cgraph_varpool_assemble_pending_decls): Call it.
15487 (cgraph_output_pending_asms): New static function.
15488 (cgraph_finalize_compilation_unit): Call it.
15489 (struct cgraph_order_sort): Define.
15490 (cgraph_output_in_order): New static function.
15491 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15492 !flag_toplevel_reorder case.
15493 * c-parser.c: Include "cgraph.h".
15494 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15496 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15497 than -fno-unit-at-a-time.
15498 * doc/invoke.texi (Option Summary): Mention
15499 -fno-toplevel-reorder.
15500 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15501 -funit-at-a-time documentation.
15503 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15504 Kazu Hirata <kazu@codesourcery.com>
15506 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15508 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15510 * Makefile.in (FUNCTION_H): New. Use it instead of
15511 function.h throughout the file.
15512 * function.h: Include tree.h.
15514 2006-01-17 Ben Elliston <bje@au.ibm.com>
15516 * recog.c: Separate some functions with whitespace.
15518 2006-01-16 Richard Henderson <rth@redhat.com>
15520 Merge from gomp branch:
15521 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15522 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15523 and rename from struct inline_data. Rename callee* to dst*;
15524 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15525 transform_new_cfg, transform_return_to_modify, and
15526 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15528 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15529 (copy_decl_for_dup): Remove.
15530 * tree-inline.c (struct inline_data): Move to header.
15531 (insert_decl_map): Export.
15532 (remap_decl): Update for member name changes. Use copy_decl hook.
15533 Allow for replacement to be a non-decl. Remove dead code.
15534 (remap_type_1): Check for existing mapping.
15535 (remap_type): Export.
15536 (remap_decls): Update for member name changes.
15537 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15538 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15539 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15540 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15541 (tree_function_versioning, build_duplicate_type): Likewise.
15542 (copy_body_r): Likewise. Export.
15543 (copy_decl_for_dup): Split into ...
15544 (copy_decl_for_dup_finish, copy_decl_to_var,
15545 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15546 (replace_ref_tree, inlining_p): Remove.
15548 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15550 * ifcvt.c (if_convert): Make it static.
15551 * rtl.h: Remove the prototype for if_convert.
15553 * local-alloc.c (local_alloc): Make it static.
15554 * rtl.h: Remove the prototype for local_alloc.
15556 * loop.c (loop_optimize): Make it static.
15557 * cfgloop.h: Remove the prototype for loop_optimize.
15560 2006-01-16 DJ Delorie <dj@redhat.com>
15562 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15565 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15567 * pa.md: Disparage copies between general and floating-point registers
15568 in 32-bit move patterns.
15570 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15573 * Makefile.in (check-%): Depend on site.exp instead of
15574 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15577 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15579 * global.c (global_alloc): Make it static.
15580 * rtl.h: Remove the prototype for global_alloc.
15582 2006-01-16 Richard Guenther <rguenther@suse.de>
15584 * tree-ssa-alias.c (struct used_part): Add write_only field.
15585 (get_or_create_used_part_for): Initialize it to true.
15586 (create_overlap_variables_for): Don't create structure variables
15587 for structures that only are written to.
15588 (find_used_portions): Handle MODIFY_EXPR to track whether a
15589 structure is only written to.
15591 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15593 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15595 * basic-block.h: Remove the prototype for
15596 partition_hot_cold_basic_blocks.
15598 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15600 * cppspec.c (lang_specific_spec_functions): Remove.
15601 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15602 * gcc.h (lang_specific_spec_functions): Remove.
15603 * gccspec.c (lang_specific_spec_functions): Remove.
15605 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15607 * combine.c (record_value_for_reg): Invalidate registers
15609 (record_dead_and_set_regs_1): Likewise, by passing them to
15610 record_value_for_reg.
15611 (record_dead_and_set_regs): Invalidate stores made by a
15612 call. We do not combine across a call, but we still
15613 relied on equivalences.
15615 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15617 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15618 vrp_int_const_binop returning non-constant nodes.
15620 2006-01-16 Paul Brook <paul@codesourcery.com>
15622 * config/m68k/m68k.c (output_move_const_into_data_reg):
15623 Output correct mnemonic for mvz and mvs.
15625 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15627 * rtl-factoring.c: Add sequence abstraction algorithm.
15628 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15629 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15631 (block_has_preserve_label): New function.
15632 * common.opt: Register new pass.
15633 * Makefile.in: Ditto.
15635 * timevar.def: Ditto.
15636 * tree-pass.h: Ditto.
15637 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15638 * rtl.h (make_jump_insn_raw): Add forward decl.
15639 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15641 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15642 Roger Sayle <roger@eyesopen.com>
15644 * fold-const.c (fold_minmax): New static function.
15645 (fold_binary) <MIN_EXPR>: Call it.
15646 <MAX_EXPR>: Likewise.
15647 * stor-layout.c (place_field): Use DECL_SIZE consistently
15648 in the computation of the new record size.
15650 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15652 * cse.c (cse_condition_code_reg): Make it static.
15653 * rtl.h: Remove the prototype for cse_condition_code_reg.
15655 * combine.c (combine_instructions): Make it static.
15656 * rtl.h: Remove the prototype for combine_instructions.
15658 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15661 * tree.c (get_file_function_name_long): Concatenate the first global
15662 object name with a string derived from the input filename of the object
15665 2006-01-16 Ben Elliston <bje@au.ibm.com>
15667 * config/i386/winnt-stubs.c: Update FSF address.
15668 * config/xtensa/ieee754-df.S: Ditto.
15669 * config/xtensa/ieee754-sf.S: Ditto.
15671 2006-01-14 Ian Lance Taylor <ian@airs.com>
15673 * ifcvt.c (noce_init_if_info): New static function, broken out of
15674 noce_process_if_block.
15675 (noce_process_if_block): Call noce_init_if_info.
15676 (check_cond_move_block): New static function.
15677 (cond_move_process_if_block): New static function.
15678 (process_if_block): Call cond_move_process_if_block.
15680 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15682 * cselib.c (hash_table): Rename to cselib_hash_table.
15683 (cselib_clear_table, discard_useless_values,
15684 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15685 cselib_init, cselib_finish): Adjust uses of hash_table.
15687 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15689 PR tree-optimization/25485
15690 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15691 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15692 is known to be false and true, respectively.
15694 2006-01-14 Richard Guenther <rguenther@suse.de>
15696 PR tree-optimization/22548
15697 PR tree-optimization/22555
15698 PR tree-optimization/22501
15699 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15700 * params.def (salias-max-array-elements): New parameter.
15701 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15702 * doc/invoke.texi (salias-max-array-elements): Document.
15703 * tree-flow-inline.h (var_can_have_subvars): We also handle
15705 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15707 * tree-ssa-structalias.c (params.h): Include.
15708 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15709 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15710 (get_constraint_for): For ADDR_EXPR operating on something
15711 containing an ARRAY_REF, add all subvars to the solution.
15712 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15713 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15714 for creating MUST_DEFs.
15715 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15717 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15719 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15721 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15722 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15723 number_of_iterations_le): New functions.
15724 (number_of_iterations_special): Removed.
15725 (number_of_iterations_exit): Do not use number_of_iterations_special.
15726 * tree.c (unsigned_type_for): Always return integer type.
15728 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15729 Richard Guenther <rguenther@suse.de>
15731 PR rtl-optimization/24257
15732 * gcse.c (find_moveable_store): Only consider a store movable
15733 when the SET_SRC of the insn can be assigned to a register.
15735 2006-01-14 Ian Lance Taylor <ian@airs.com>
15737 * tree.c (tree_not_class_check_failed): New function.
15738 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15739 (tree_not_class_check_failed): Declare.
15741 2006-01-13 Ian Lance Taylor <ian@airs.com>
15743 * reload1.c (do_output_reload): Add assertion rejecting a
15746 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15748 * combine.c (struct reg_stat): Add new fields truncation_label and
15750 (record_value_for_reg): Reset truncated_to_mode.
15751 (record_truncated_value): New function.
15752 (check_promoted_subreg): Call it. Rename to check_conversions.
15753 (combine_instructions): Rename check_promoted_subreg to
15755 (reg_truncated_to_mode): New function.
15756 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15757 (gen_lowpart_or_truncate): New function.
15758 (force_to_mode): Use it instead of gen_lowpart.
15760 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15762 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15763 VAR is a tag, not its type tag.
15765 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15767 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15768 alternatives to match style of other entries.
15769 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15771 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15773 PR tree-optimization/25771
15774 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15777 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15780 * tree-inline.c (declare_return_variable): If the return variable
15781 was marked as a non gimple complex, set the return slot variable
15782 to be a non gimple comple variable.
15784 2006-01-13 Richard Guenther <rguenther@suse.de>
15786 * builtins.c (expand_builtin_sincos): New function.
15787 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15789 (expand_builtin): Expand sincos using expand_builtin_sincos.
15791 2006-01-12 DJ Delorie <dj@redhat.com>
15793 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15794 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15795 so that constant shifts can be split.
15796 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15797 (m32c_valid_pointer_mode): Make static.
15798 (shift_gen_func_for): New.
15799 (m32c_prepare_shift): Use it. Split large const shifts into
15801 * config/m32c/predicates.md (shiftcount_operand): Allow more
15803 (longshiftcount_operand): New.
15804 * doc/md.texi (Machine Constraints): Document In6.
15806 2006-01-13 Ben Elliston <bje@au.ibm.com>
15808 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15809 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15812 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15814 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15815 to try to avoid clobbering pieces of structures when we know
15816 something about the whole structure.
15817 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15819 2006-01-13 Ben Elliston <bje@au.ibm.com>
15821 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15822 return in memory, as this is no limitation is no longer present.
15824 2006-01-12 DJ Delorie <dj@redhat.com>
15826 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15827 mova with fb, and for fb+0 -> An.
15829 * config/m32c/mov.md (peephole2): Fix enabling logic.
15831 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15832 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15833 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15834 FINI_ARRAY_SECTION_ASM_OP): Define.
15836 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15838 (m32c_legitimize_reload_address): New logic to reload FB to An.
15839 (m32c_output_reg_push): Add newline.
15840 (m32c_output_reg_pop): Likewise.
15842 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15844 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15846 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15848 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15850 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15852 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15855 2006-01-11 Ben Elliston <bje@au.ibm.com>
15857 * rtlanal.c (find_reg_note): Assert insn is not null.
15859 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15861 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15864 2006-01-11 Jeff Law <law@redhat.com>
15866 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15868 (mark_threaded_blocks, register_jump_thread): New functions.
15869 (thread_through_all_blocks): Remove unwanted argument. No
15870 longer rely on e->aux to communicate thread target info.
15871 Call mark_threaded_blocks. Release the threaded_blocks
15872 bitmap and threaded_edges vector when complete.
15873 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15874 (threaded_blocks): Remove.
15875 (tree_ssa_dominator_optimize): Remove initialization and
15876 finalization of threaded_blocks. Simplify call to
15877 thread_through_all_blocks.
15878 (thread_across_edge): Call register_jump_thread rather than
15879 storing thread information into e->aux.
15880 (free_all_edge_infos): Simplify now that e->aux is no longer
15881 used to communicate with thread_through_all_blocks.
15882 * tree-flow.h (thread_through_all_blocks): Update prototype.
15883 (register_jump_thread): Prototype.
15885 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15887 * df-core.c (df_compact_blocks, df_bb_replace): Use
15888 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15890 2006-01-11 Richard Guenther <rguenther@suse.de>
15892 PR tree-optimization/25734
15893 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15894 stop propagation after successful propagation to the LHS.
15896 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15898 * basic-block.h (control_flow_graph): Change the type of
15899 x_basic_block_info to VEC(basic_block,gc) *.
15900 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15902 (SET_BASIC_BLOCK): New.
15903 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15904 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15905 * cfgbuild.c (find_basic_blocks): Likewise.
15906 * cfglayout.c (fixup_reorder_chain): Likewise.
15907 * cfgrtl.c (create_basic_block_structure,
15908 rtl_create_basic_block): Likewise.
15909 * ifcvt.c (find_if_case_1): Likewise.
15910 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15913 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15915 * Makefile.in: Removed rotted odf.c entry.
15917 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15920 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15921 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15922 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15923 output pattern modifier, not %e.
15924 * config/cris/cris.c (cris_op_str): Update comment about pattern
15926 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15927 before falling through into...
15928 <case 'E'>: Redefined from old 'e' case.
15930 2006-01-11 Jan Hubicka <jh@suse.cz>
15933 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15935 2006-01-11 Jan Hubicka <jh@suse.cz>
15937 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15938 * i386.c (x86_decompose_lea): Kill.
15939 (ix86_rtx_costs): Kill.
15941 2006-01-11 Jan Hubicka <jh@suse.cz>
15943 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15944 * cgraph.h (cgraph_node): Add inline_decl.
15945 (cgraph_insert_node_to_hashtable): Declare.
15946 (save_inline_function_body): Declare.
15947 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15949 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15950 (cgraph_function_versioning): Update call of tree_function_versioning.
15951 (save_inline_function_body): New function.
15952 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15953 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15954 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15955 (cgraph_default_inline_p): Likewise.
15956 (cgraph_decide_inlining_incrementally): Likewise.
15957 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15958 (copy_bb): Kill saving; do updating of clones.
15959 (copy_cfg_body): Kill saving.
15960 (initialize_inlined-parameters): Likewise.
15961 (expand_call_inline): Likewise.
15963 (tree_function_versioning): New parameter "update_clones".
15964 (inlining_p): Kill saving.
15965 * tree-inline.h (tree_function_versioning): Update prototype.
15966 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15969 2006-01-11 Ian Lance Taylor <ian@airs.com>
15971 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15972 Allow undoing set of machine mode.
15973 (do_SUBST): Use enums instead of is_int.
15974 (do_SUBST_MODE): New function.
15975 (SUBST_MODE): New macro.
15976 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15977 reg and trying to replace reg_regno_rtx with a new register.
15978 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15979 (simplify_set): Use SUBST_MODE.
15980 (distribute_notes): Remove code that tried to update reg notes
15981 for regno_reg_rtx changes.
15983 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15985 PR tree-optimization/23109
15986 PR tree-optimization/23948
15987 PR tree-optimization/24123
15989 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15990 * tree-cfg.c (single_noncomplex_succ): New.
15991 * tree-flow.h (single_noncomplex_succ): Declare it.
15992 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15993 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15994 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15995 insert_bb, register_division_in, insert_reciprocals,
15996 replace_reciprocal, free_bb): New.
15997 (execute_cse_reciprocals_1): Rewritten.
15998 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15999 Do not commit any edge insertion. Always compute dominators and
16000 create the allocation pool.
16001 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16002 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16003 * targhooks.c (default_min_divistions_for_recip_mul): New.
16004 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16005 * passes.c (init_optimization_passes): Run recip after tree loop
16007 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16009 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16010 Kenneth Zadeck <zadeck@naturalbridge.com>
16012 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16013 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16014 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16015 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16016 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16017 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16018 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16019 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16020 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16021 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16022 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16023 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16024 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16025 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16026 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16027 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16028 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16029 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16030 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16031 DF_SCAN_POST_ALLOC): New macros.
16032 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16033 df_free_bb_function, df_local_compute_function, df_init_function,
16034 df_dataflow_function, df_confluence_function_0,
16035 df_confluence_function_n, df_transfer_function,
16036 df_finalizer_function, df_free_function, df_dump_problem_function,
16037 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16038 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16039 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16040 df_urec_bb_info, ) New types.
16041 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16043 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16044 df_analyze_simple_change_some_blocks,
16045 df_analyze_simple_change_one_block, df_compact_blocks,
16046 df_bb_replace, df_bb_regno_last_use_find,
16047 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16048 df_insn_regno_def_p, df_find_def, df_find_use,
16049 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16050 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16051 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16052 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16053 debug_df_chain, df_get_dependent_problem, df_chain_create,
16054 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16055 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16056 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16057 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16058 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16059 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16060 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16061 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16062 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16063 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16064 df_reorganize_refs, df_set_state, df_hard_reg_init,
16065 df_read_modify_subreg_p) New public functions.
16066 * df-core.c: The core dataflow solver and glue routines for rtl
16068 (df_init, df_add_problem, df_set_blocks, df_finish,
16069 df_hybrid_search_forward, df_hybrid_search_backward,
16070 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16071 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16072 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16073 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16074 df_reg_defined, df_find_use, df_reg_used, df_dump,
16075 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16076 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16077 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16078 debug_df_useno, reset_df_after_reload): New functions.
16079 * df-scan.c: The scanning fuctions, once in df.c, completely
16080 rewritten so that they now fully model the functionality of
16081 register usage at the backend.
16082 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16083 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16084 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16085 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16086 df_get_artificial_defs, df_get_artificial_uses,
16087 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16088 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16089 df_refs_delete, df_reorganize_refs, df_set_state,
16090 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16091 df_def_record_1, df_defs_record, df_uses_record,
16092 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16093 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16094 df_record_exit_block_uses, df_hard_reg_init): New functions.
16096 * df-problems.c: Seven concrete dataflow problems that use the
16097 scanning in df-scan.c and are solved by the engine in df-core.c.
16098 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16099 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16100 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16101 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16102 df_ru_free_bb_info, df_ru_alloc,
16103 df_ru_bb_local_compute_process_def,
16104 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16105 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16106 df_ru_transfer_function, df_ru_free, df_ru_dump,
16107 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16108 df_rd_free_bb_info, df_rd_alloc,
16109 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16110 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16111 df_rd_transfer_function, df_rd_free, df_rd_dump,
16112 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16113 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16114 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16115 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16116 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16117 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16118 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16119 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16120 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16121 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16122 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16123 df_urec_mark_reg_use_for_earlyclobber,
16124 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16125 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16126 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16127 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16128 df_chain_create_bb_process_use, df_chain_create_bb,
16129 df_chain_finalize, df_chain_free, df_chains_dump,
16130 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16131 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16132 df_reg_lifetime): New functions.
16133 * df.c: Deleted file.
16134 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16135 consistent with new df api.
16136 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16137 rest_of_handle_sms): Ditto.
16138 * web.c (unionfind_union, union_defs, entry_register, web_main):
16140 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16141 invariant_expr_equal_p, find_defs, check_dependencies,
16142 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16143 free_inv_motion_data, move_loop_invariants): Ditto.
16144 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16145 Update dependencies.
16146 (odf.c): Added defective entry that was deleted later in day.
16147 * sched-deps.c (sched_analyze_1): Ditto.
16149 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16151 * tree-ssa-operands.c (get_expr_operands): Record addressable
16152 variables directly. Do not call add_stmt_operands for CONST_DECLs
16154 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16155 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16157 2006-01-11 Ben Elliston <bje@au.ibm.com>
16159 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16160 function returns true in the positive case.
16162 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16165 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16166 for SI, DI, SF and DF modes. Add alternatives to copy between
16167 general and floating point registers to the 32-bit patterns.
16168 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16169 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16170 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16171 generating 64-bit code.
16172 * config/pa/pa.c (output_move_double): Handle copies between general
16173 and floating registers.
16175 2006-01-10 Stuart Hastings <stuart@apple.com>
16177 * config/i386/i386.md (set_got): Update.
16178 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16179 (builtin_setjmp_receiver): Mach-O support.
16180 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16181 (GOT_SYMBOL_NAME): Define.
16182 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16183 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16184 * config/i386/i386.c (override_options): Revise for Darwin.
16185 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16186 support. (darwin_x86_file_end): New. (output_set_got): Add label
16187 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16188 * config/i386/i386-protos.h (output_set_got): Likewise.
16189 * config/darwin.c (machopic_legitimize_pic_address): Update
16192 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16194 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16195 when MODE isn't BLKmode.
16197 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16199 PR rtl-optimization/25367
16200 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16202 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16205 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16206 for a negative bound.
16208 2006-01-10 Richard Guenther <rguenther@suse.de>
16210 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16211 Never override with anything constraint.
16213 2006-01-10 Jan Beulich <jbeulich@novell.com>
16215 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16216 256 bits when optimize_size.
16218 2006-01-10 Jan Beulich <jbeulich@novell.com>
16220 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16222 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16223 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16226 2006-01-10 Ben Elliston <bje@au.ibm.com>
16228 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16230 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16231 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16232 (USE_FP_FOR_ARG): Reject decimal float modes.
16233 (function_arg_advance): Likewise.
16234 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16235 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16236 point types in AltiVec vectors.
16237 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16238 (rs6000_libcall_value): Likewise.
16240 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16242 * config/xtensa/ieee754-df.S: New file.
16243 * config/xtensa/ieee754-sf.S: New file.
16244 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16245 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16246 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16248 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16250 * config/sh/predicates.md (binary_float_operator,
16251 binary_logical_operator, commutative_float_operator,
16252 equality_comparison_operator, greater_comparison_operator,
16253 less_comparison_operator, logical_operator,
16254 noncommutative_float_operator, shift_operator,
16255 symbol_ref_operand, unary_float_operator): Remove redundant
16258 2006-01-09 Jeff Law <law@redhat.com>
16260 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16261 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16262 now unused arguments. Callers updated.
16263 (eliminate_redundant_computations): Remove now unused arguments,
16265 (local_fold): Remove, no longer used.
16266 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16268 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16269 (simplify_cond): New function.
16270 (forward_propagate_into_cond): Call simplify_cond.
16272 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16274 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16275 (*vec_extractv2di_1_sse): New.
16277 2006-01-09 Ben Elliston <bje@au.ibm.com>
16279 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16281 2006-01-08 Richard Guenther <rguenther@suse.de>
16283 * tree-ssa-structalias.c (get_constraint_for): Remove
16284 anyoffset argument.
16285 (get_constraint_for_component_ref): Likewise.
16286 (do_deref): Likewise.
16287 (get_constraint_for): Likewise.
16288 (do_structure_copy): Likewise.
16289 (handle_ptr_arith): Likewise.
16290 (find_func_aliases): Likewise. Remove unused need_anyoffset
16293 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16294 Kaz Kojima <kkojima@gcc.gnu.org>
16296 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16297 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16298 (EXTRA_CONSTRAINT_C16): Remove.
16299 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16300 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16301 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16302 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16303 constants of SHmedia. Handle nested constant expressions of
16305 (andcosts): Fix the costs for SHmedia constants.
16306 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16307 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16308 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16309 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16310 (movv4hi_i, movv2si_i): Likewise.
16311 (movsi_const): Adjust the second operand of ior so to match with
16312 the Csu constraint.
16313 (movdi_const, movdi_const_32bit): Likewise.
16314 (movdi_const_16bit+1): Don't sign-extend LOW.
16315 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16317 (*double_shori): Fix the split condition. Use GEN_INT instead
16318 of get_int_mode calls. Mask lower 16-bit of the argument of
16320 (sym2GOTPLT): Remove.
16321 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16323 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16324 instead of EXTRA_CONSTRAINT_C16.
16326 2006-01-07 Ian Lance Taylor <ian@airs.com>
16327 David Edelsohn <edelsohn@gnu.org>
16329 PR rtl-optimization/25662
16330 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16331 for constant operands instead of simplify_gen_binary.
16332 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16333 after trying simplify_binary_operation
16335 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16337 * tree.c (iterative_hash_expr): Hash decls based on UID.
16339 2006-01-06 Eric Christopher <echristo@apple.com>
16341 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16342 (TARGET_UNWIND_EMIT): Fix spelling.
16343 * target.h (gcc_target): Add except_table_label.
16344 * except.c (output_function_exception_table): Use.
16345 * varasm.c (default_emit_except_table_label): New.
16346 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16348 (asm_out): Add here.
16349 * output.h (default_emit_except_table_label): Prototype.
16350 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16351 * config/darwin.c (darwin_emit_except_table_label): Define.
16352 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16354 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16356 PR tree-optimization/18527
16357 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16358 number_of_iterations_special, number_of_iterations_exit):
16359 Move base and step of an iv to a single structure. Add
16360 no_overflow flag, and use it in # of iterations analysis.
16361 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16362 folded_casts argument.
16363 (simple_iv): Pass base and step in a structure. Set no_overflow
16365 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16366 Evaluate expensiveness of computing # of iterations instead of
16367 the final expression.
16368 * tree-scalar-evolution.h (affine_iv): New structure.
16369 (simple_iv): Declaration changed.
16370 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16371 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16372 find_givs_in_stmt): Changed due to simple_iv change.
16374 2006-01-06 Jeff Law <law@redhat.com>
16377 * tree-cfg.c (bsi_replace): Rename final argument from
16378 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16379 change (stmt -> orig_stmt).
16380 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16381 (bsi_remove): Add new argument. Remove EH information
16383 (verify_eh_throw_table_statements): New function.
16384 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16386 * tree-optimize.c (execute_free_cfg_annotations): Verify
16387 the EH throw statement table after removing annotations.
16388 * except.h (verify_eh_throw_table_statements): Prototype.
16389 * tree-flow.h (bsi_remove): Update prototype.
16390 * tree-vrp.c (remove_range_assertions): Add new argument to
16392 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16393 * tree-complex.c (expand_complex_div_wide): Likewise.
16394 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16395 * tree-tailcall.c (eliminate_tailcall): Likewise.
16396 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16397 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16398 * tree-nrv.c (tree_nrv): Likewise.
16399 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16400 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16401 (combine_blocks): Likewise.
16402 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16403 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16404 (cleanup_control_flow): Likewise.
16405 (remove_forwarder_block): Likewise.
16406 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16407 * tree-sra.c (sra_replace): Likewise.
16408 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16409 (forward_propagate_single_use_vars): Likewise.
16410 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16411 * tree-inline.c (expand_call_inline): Likewise.
16412 * tree-vect-transform.c (vect_transform_loop): Likewise.
16413 * tree-outof-ssa.c (rewrite_trees): Likewise.
16414 * tree-cfg.c (make_goto_expr_edges): Likewise.
16415 (cleanup_dead_labels): Likewise.
16416 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16417 (bsi_move_before, bsi_move_after): Likewise.
16418 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16419 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16421 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16424 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16426 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16427 on non gimple variables. Also add checks at the top for decls and
16429 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16431 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16432 and IMAGPART_EXPR for creating MUST_DEFs.
16433 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16434 and NAME_MEMORY_TAG separately from the DECLs.
16436 2006-01-06 Richard Guenther <rguenther@suse.de>
16438 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16439 annotation, if necessary.
16440 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16441 redundant calls to update_stmt.
16442 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16445 2006-01-05 Richard Henderson <rth@redhat.com>
16447 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16449 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16451 * c-typeck.c: Update copyright date.
16453 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16455 * c-typeck.c (build_c_cast): Always warn when casting
16456 from a pointer to an integer of different size, even if
16457 the node was constant.
16459 2006-01-05 Richard Guenther <rguenther@suse.de>
16461 PR tree-optimization/22555
16462 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16463 if one structure field is an array.
16464 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16465 operands even if we found a subvar, but ignore VOPs in this
16467 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16469 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16471 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16473 PR middle-end/24998
16474 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16476 2006-01-05 Richard Guenther <rguenther@suse.de>
16477 Diego Novillo <dnovillo@redhat.com>
16479 * tree-pass.h (TODO_remove_unused_locals): Define.
16480 * gimple-low.c (expand_var_p, remove_useless_vars,
16481 pass_remove_useless_vars): Remove. Update all users.
16482 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16483 (remove_unused_locals): New function.
16484 * tree-flow.h (remove_unused_locals): Declare.
16485 * passes.c (execute_todo): Call remove_unused_locals if
16486 TODO_remove_unused_locals is set.
16487 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16488 * tree-ssa-dce.c (pass_dce): Likewise.
16489 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16491 2006-01-05 Richard Guenther <rguenther@suse.de>
16493 * tree-flow.h (struct fieldoff): Decompose field to
16494 type, size and decl.
16495 * tree-ssa-alias.c (create_sft): Take type as parameter.
16496 (create_overlap_variables_for): Store type, size and decl
16497 in the fieldoff structure.
16498 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16499 of struct fieldoff.
16500 (push_fields_onto_fieldstack): Likewise.
16501 (create_variable_info_for): Likewise. Use offset for the
16502 SFT name if the decl is not available.
16504 2006-01-04 Paul Brook <paul@codesourcery.com>
16506 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16508 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16510 * lambda-code.c (can_put_in_inner_loop): Relax
16512 (can_put_after_inner_loop): New function.
16513 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16514 (perfect_nestify): Change to make copies and modify uses.
16516 2006-01-04 Richard Henderson <rth@redhat.com>
16518 Merge from gomp branch:
16519 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16520 via integer constant.
16521 (pragma_lex): Remove.
16522 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16523 rather than parsing it.
16524 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16525 handle_pragma_extern_prefix): Add %< %> quotes.
16526 (registered_pragmas): New.
16527 (c_register_pragma_1): New.
16528 (c_register_pragma): Use it.
16529 (c_register_pragma_with_expansion): Likewise.
16530 (c_invoke_pragma_handler): New.
16531 (init_pragma): Use cpp_register_deferred_pragma directly for
16533 * c-pragma.h (enum pragma_kind): New.
16534 (pragma_handler): New.
16535 (c_invoke_pragma_handler): Declare.
16536 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16538 * c-common.h (c_common_pch_pragma): Update decl.
16539 * Makefile.in (c-parser.o): Update dependencies.
16540 (GTFILES): Add c-pragma.h.
16541 * c-parser.c (struct c_token): Add pragma_kind.
16542 (struct c_parser): Add in_pragma.
16543 (c_lex_one_token): Always initialize keyword and pragma_kind.
16544 Extract data for CPP_PRAGMA.
16545 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16546 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16547 Don't allow CPP_PRAGMA_EOL if in_pragma.
16548 (c_parser_consume_pragma): New.
16549 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16550 (c_parser_skip_to_end_of_parameter): Likewise.
16551 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16552 (c_parser_skip_to_pragma_eol): New.
16553 (c_parser_external_declaration): Handle CPP_PRAGMA.
16554 (c_parser_compound_statement_nostart): Likewise.
16555 (c_parser_statement_after_labels): Likewise.
16556 (c_parser_pragma): New.
16557 (pragma_lex): Likewise.
16558 (c_parser_pragma_pch_preprocess): New.
16559 (c_parser_new): Merge into ...
16560 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16562 2006-01-04 Jeff Law <law@redhat.com>
16565 * tree-cfg.c (bsi_replace): Remove the original statement
16566 from the EH throw statement table.
16568 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16570 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16571 make the prototype extern "C" and add throw ().
16574 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16575 and pos non-negative and pos + len <= 32.
16576 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16577 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16578 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16581 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16582 as well as sizes not multiple of component size.
16585 * function.c (instantiate_expr): New function.
16586 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16587 walk its DECL_VALUE_EXPR with instantiate_expr.
16589 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16590 DW_OP_deref{,_size} if address isn't going to be added.
16592 2006-01-04 Ben Elliston <bje@au.ibm.com>
16594 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16595 * config/fp-bit.c: Likewise.
16597 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16599 * dominance.c: Add comment about why we use DFS numbering
16602 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16603 Richard Henderson <rth@redhat.com>
16605 Merge from gomp-branch:
16606 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16607 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16609 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16611 PR rtl-optimization/25578
16612 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16613 pass a parameter to simplify_shift_const if changing ASHIFTRT
16616 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16618 * builtins.c (get_builtin_sync_mem): New function.
16619 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16620 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16621 Call get_builtin_sync_mem to generate mem rtx.
16623 2006-01-03 Richard Guenther <rguenther@suse.de>
16626 * stmt.c (add_case_node): Make sure to clear overflow flags
16629 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16631 Merge from gomp-branch.
16632 * config/sparc/sync.md: New file.
16633 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16634 UNSPECV_LDSTUB): New constants.
16635 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16636 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16637 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16640 2006-01-03 Roger Sayle <roger@eyesopen.com>
16642 * combine.c (reg_subword_p): New predicate to test whether the
16643 destination of a set refers to a subword/piece of a register.
16644 (try_combine): Generalize the code to merge the setting of a
16645 pseudo to a constant followed by a set of a subword of that
16646 register to a constant.
16648 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16650 * basic-block.h (control_flow_graph): Change the type of
16651 x_label_to_block_map to VEC(basic_block,gc) *.
16652 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16653 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16655 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16656 VEC(basic_block,heap) *.
16657 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16658 ssa_prop_fini): Adjust the uses of cfg_blocks.
16660 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16662 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16664 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16665 hashing trees instead of a pointer hash.
16666 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16667 compare for MEM_EXPR.
16669 PR rtl-optimization/25130
16670 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16671 when comparing MEMs for GCSE
16673 2006-01-03 Ben Elliston <bje@au.ibm.com>
16675 * targhooks.h (default_decimal_float_supported_p): Declare.
16676 * targhooks.c (default_decimal_float_supported_p): Define.
16677 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16678 `default_decimal_float_supported_p'.
16679 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16681 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16683 * combine.c (apply_distributive_law <SUBREG>): Check
16684 TRULY_NOOP_TRUNCATION.
16686 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16688 * dwarf2out.c (have_switched_text_section): Delete.
16689 (have_multiple_function_sections): New.
16690 (have_location_lists): Make 'bool'.
16691 (add_AT_loc_list): Use 'true' not '1'.
16692 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16693 (output_loc_list): Use have_multiple_function_sections.
16694 (output_ranges): Likewise.
16695 (dwarf2out_begin_function): Set have_multiple_function_sections if
16697 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16698 Check function_section rather than DECL_SECTION_NAME.
16699 (dwarf2out_finish): Use have_multiple_function_sections.
16700 Don't clear have_location_lists.
16702 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16703 Jan Hubicka <jh@suse.cz>
16705 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16706 case of conditional jump jumping to the next instruction.
16707 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16708 cases of conditional jump jumping to the next instruction.
16710 2006-01-02 Jan Hubicka <jh@suse.cz>
16712 * i386.c (*_cost): Add COSTS_N_INSNS.
16713 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16715 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16718 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16720 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16722 * config/arm/arm.c (all_fpus): Fix comment typo.
16723 * config/darwin.c: Likewise.
16724 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16725 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16726 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16728 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16730 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16731 (rs6000_split_compare_and_swapqhi): New.
16732 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16733 (sync_compare_and_swapqhi_internal): New.
16734 * config/rs6000/rs6000-protos.h: Declare.