1 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * builtins.c (fold_builtin_hypot): Rearrange recursive
4 transformation before others, and also do ABS_EXPR. When
5 necessary, check flag_unsafe_math_optimizations. When necessary,
8 2006-10-29 Roger Sayle <roger@eyesopen.com>
10 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
11 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
12 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
13 Fold -X eq/ne -Y as X eq/ne Y.
15 2006-10-29 Richard Sandiford <richard@codesourcery.com>
17 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
18 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
19 rather than GENERATE_MULT3_SI in the various define_peephole2s.
20 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
21 Use an inclusive test for "mult" rather than "mul".
22 (rotr<mode>3): Depend on ISA_HAS_ROR.
23 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
25 (GENERATE_MULT3_DI): Delete.
26 (ISA_HAS_64BIT_REGS): Use consistent formatting.
27 (ISA_HAS_MUL3): New macro.
28 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
29 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
30 (ISA_HAS_CLZ_CLO): Likewise.
31 (ISA_HAS_DCLZ_DCLO): Delete.
32 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
33 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
34 the VR4120 and VR4130.
35 (ISA_HAS_MACCHI): Use consistent formatting.
36 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
37 (ISA_HAS_ROR): ...this new macro.
38 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
39 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
40 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
42 2006-10-29 Roger Sayle <roger@eyesopen.com>
44 PR tree-optimization/15458
45 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
48 2006-10-29 Richard Guenther <rguenther@suse.de>
50 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
51 (ix86_expand_truncdf_32): Likewise.
52 * config/i386/i386.c (ix86_expand_trunc): New function expanding
53 trunc inline for SSE math and -fno-trapping-math and if not
55 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
56 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
57 for expanding btrunc inline for SSE math.
59 2006-10-29 Joseph Myers <joseph@codesourcery.com>
61 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
62 Handle tuning for bi-arch i[34567]86-*-linux* like that for
63 i[34567]86-*-solaris2.1[0-9]*.
64 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
65 Define conditionally depending on TARGET_64BIT_DEFAULT.
66 (SPEC_32, SPEC_64): Define.
67 (LINK_SPEC): Use them.
68 * doc/install.texi (--enable-targets=all): Document for x86-linux.
70 2006-10-29 Richard Guenther <rguenther@suse.de>
72 * config/i386/i386-protos.h (ix86_expand_round): Declare.
73 (ix86_expand_rounddf_32): Likewise.
74 * config/i386/i386.c (ix86_expand_round): New function expanding
75 round inline for SSE math and -fno-trapping-math and if not
77 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
78 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
79 round via ix86_expand_round.
81 2006-10-29 Richard Guenther <rguenther@suse.de>
83 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
84 (ix86_expand_floorceildf_32): Likewise.
85 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
86 static helper function.
87 (ix86_expand_floorceil): Expander for floor and ceil to SSE
89 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
90 * config/i386/i386.md (floordf2): Adjust to enable floor
91 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
92 -fno-trapping-math is enabled and if not optimizing for size.
93 (floorsf2, ceildf2, ceilsf2): Likewise.
94 * config/i386/sse.md (sse_maskcmpsf3): New insn.
95 (sse2_maskcmpdf3): Likewise.
97 2006-10-29 Richard Guenther <rguenther@suse.de>
99 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
100 rint in case -fno-trapping-math is enabled.
101 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
102 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
103 (ix86_expand_sse_fabs): Likewise.
104 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
105 * config/i386/i386.md (rintdf2): Enable for SSE math if
106 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
109 2006-10-29 Richard Guenther <rguenther@suse.de>
111 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
112 to conversion optabs.
113 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
115 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
116 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
117 (lfloor_optab, lceil_optab): Adjust defines.
118 * builtins.c (expand_builtin_int_roundingfn): Adjust for
119 lfloor and lceil optabs now being conversion optabs.
120 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
121 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
122 New static helper function.
123 (ix86_expand_lfloorceil): New function to expand lfloor and
125 * config/i386/i386.md (lfloor<mode>2): Split into ...
126 (lfloorxf<mode>2): ... x87 variant
127 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
128 using ix86_expand_lfloorceil.
129 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
131 * doc/md.texi (lfloorMN, lceilMN): Document.
133 2006-10-29 Richard Sandiford <richard@codesourcery.com>
135 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
136 -mno-shared assembler option on mips targets.
137 * configure, config.in: Regenerate.
138 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
139 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
140 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
142 2006-10-29 Richard Sandiford <richard@codesourcery.com>
144 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
145 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
147 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
149 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
150 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
153 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
156 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
157 (fold_builtin_pow): Evaluate constant arguments at compile-time
159 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
160 (do_mpfr_ckconv): New helper function.
161 (do_mpfr_arg1): Use do_mpfr_ckconv.
164 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
167 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
168 (-fdump-rtl-sched): Rename to ..
169 (-fdump-rtl-sched1): here. Also fix file extension number.
171 2006-10-28 Richard Guenther <rguenther@suse.de>
173 * fold-const.c (maybe_canonicalize_comparison): Fix code
176 2006-10-28 Uros Bizjak <uros@kss-loka.si>
178 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
179 (NON_QI_REG_P): Use IN_RANGE.
180 (REX_INT_REGNO_P): Use IN_RANGE.
181 (FP_REGNO_P): Use IN_RANGE.
182 (SSE_REGNO_P): Use IN_RANGE.
183 (REX_SSE_REGNO_P): Use IN_RANGE.
184 (MMX_REGNO_P): Use IN_RANGE.
185 (STACK_REGNO_P): New macro.
186 (STACK_REG_P): Use STACK_REGNO_P.
187 (NON_STACK_REG_P): Use STACK_REGNO_P.
188 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
189 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
190 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
191 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
192 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
194 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
196 * except.h (output_function_exception_table): Add 'const char*' param.
197 * except.c (switch_to_exception_section): Add 'const char*' param.
198 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
199 and flag_function_sections is set, use a function-specific section.
200 (output_function_exception_table): Add 'const char*' param.
201 Adjust call to switch_to_exception_section.
202 * final.c (rest_of_handle_final): Adjust calls to
203 output_function_exception_table.
204 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
205 * config.in: Regenerate.
206 * configure: Likewise.
208 2006-10-28 Richard Guenther <rguenther@suse.de>
211 * fold-const.c (maybe_canonicalize_comparison_1): Helper
212 for maybe_canonicalize_comparison.
213 (maybe_canonicalize_comparison): New function for canonicalizing
215 (fold_comparison): Call it to canonicalize comparisons with
218 2006-10-28 Richard Guenther <rguenther@suse.de>
221 * builtins.c (expand_builtin_int_roundingfn_2): Expand
222 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
223 (expand_builtin): Adjust likewise.
224 * genopinit.c (optabs[]): Add lround optab.
225 * optabs.c (init_optabs): Initialize lround_optab.
226 * optabs.h (enum convert_optab_index): Add COI_lround.
227 (lround_optab): Define.
228 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
229 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
231 (ix86_expand_lround): New function.
232 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
234 * doc/md.texi (lroundMN2): Document.
236 2006-10-28 Uros Bizjak <uros@kss-loka.si>
239 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
240 argument to HOST_WIDE_INT. Update function prototype.
241 (round_frame_size): Change return type to HOST_WIDE_INT. Change
242 "size" argument to HOST_WIDE_INT. Update function prototype.
244 2006-10-28 Uros Bizjak <uros@kss-loka.si>
246 * config/i386/i386.c (output_387_ffreep): Create output from a
247 template string for !HAVE_AS_IX86_FFREEP.
249 2006-10-27 Eric Christopher <echristo@apple.com>
251 * config/darwin.c: Fix formatting and grammar.
253 2006-10-27 Jan Hubicka <jh@suse.cz>
255 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
256 to be thrown away soon when IGNORE is set.
257 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
258 indicating when return value shall not be computed.
259 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
261 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
263 * config/i386/i386.h (TARGET_GEODE):
264 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
265 (TARGET_CPU_DEFAULT_geode): New macro.
266 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
267 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
268 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
269 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
270 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
272 (TARGET_CPU_DEFAULT_NAMES): Add geode.
273 (processor_type): Add PROCESSOR_GEODE.
275 * config/i386/i386.md: Include geode.md.
278 * config/i386/i386.c (geode_cost): New initialized global
280 (m_GEODE, m_K6_GEODE): New macros.
281 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
282 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
283 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
284 x86_schedule): Use m_K6_GEODE instead of m_K6.
285 (x86_movx, x86_cmove): Set up m_GEODE.
286 (x86_integer_DFmode_moves): Clear m_GEODE.
287 (processor_target_table): Add entry for geode.
288 (processor_alias_table): Ditto.
290 * config/i386/geode.md: New file.
292 * doc/invoke.texi: Add entry about geode processor.
294 2006-10-27 Mike Stump <mrs@apple.com>
296 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
297 __DYNAMIC__ from here back to ...
298 * config/darwin.h (CPP_SPEC): ... here.
300 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
301 Nathan Sidwell <nathan@codesourcery.com>
303 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
304 when choosing the minimum heapsize.
306 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
308 * gcc/unwind-dw2.h: Move cfa-related variables into
309 struct frame_state_reg_info to ensure that the CFA is properly
310 handled when executing DW_CFA_{remember,restore}_state.
311 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
312 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
313 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
314 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
315 gcc/config/rs6000/linux-unwind.h,
316 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
317 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
318 Modify to use new cfa_* fields.
320 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
322 * config/s390/s390.c (s390_init_frame_layout): Check positive
325 2006-10-26 Ben Elliston <bje@au.ibm.com>
327 * gimplify.c (get_name): Remove extraneous break.
328 (gimplify_omp_for): Initialise ret with GS_OK.
330 2006-10-25 Steve Ellcey <sje@cup.hp.com>
332 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
333 Add unix98.o to link line.
335 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
338 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
339 Calculate compile-time constants using MPFR.
340 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
341 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
343 2006-10-25 Bob Wilson <bob.wilson@acm.org>
345 * config/xtensa/lib2funcs.S: Use C-style comments.
347 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
349 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
350 (file_table_relative_p): Likewise.
351 (dwarf2out_finish): Likewise.
352 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
354 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
356 * tree-ssa-structalias.c (intra_create_variable_infos):
357 Don't recreate nonlocal_all if it already exists.
359 2006-10-25 Richard Guenther <rguenther@suse.de>
362 * optabs.h (enum optab_index): Remove OTI_lrint.
363 (enum convert_optab_index): Add COI_lrint.
364 (lrint_optab): Adjust.
365 (expand_sfix_optab): Declare.
366 * optabs.c (expand_sfix_optab): New function.
367 (init_optabs): Init lrint_optab as conversion optab.
368 * genopinit.c (lrint_optab): Change to a conversion optab.
369 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
370 expansion via conversion optab.
371 * config/i386/i386.md (*fistdi2_1): Remove
372 flag_unsafe_math_optimizations guard.
373 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
374 fist<mode>2_with_temp): Likewise.
375 (lrint<mode>2): Split into...
376 (lrintxf<mode>2): ... x87 part
377 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
378 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
379 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
380 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
381 * doc/md.texi (lrintMN2): Document.
383 2006-10-25 Uros Bizjak <uros@kss-loka.si>
386 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
387 Use inc and dec instructions for TARGET_USE_INCDEC.
388 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
389 ("sync_double_compare_and_swap<mode>"): Likewise.
390 ("*sync_double_compare_and_swapdi_pic"): Likewise.
391 ("*sync_compare_and_swap_cc<mode>"): Likewise.
392 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
393 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
394 ("sync_old_add<mode>"): Likewise.
395 ("sync_lock_test_and_set<mode>"): Likewise.
396 ("sync_lock_test_and_set<mode>"): Likewise.
397 ("sync_add<mode>"): Likewise.
398 ("sync_sub<mode>"): Likewise.
399 ("sync_ior<mode>"): Likewise.
400 ("sync_and<mode>"): Likewise.
401 ("sync_xor<mode>"): Likewise.
403 2006-10-25 Uros Bizjak <uros@kss-loka.si>
405 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
406 (remainder_optab): Define corresponding macro.
407 (drem_optab): Remove.
408 * optabs.c (init_optabs): Initialize remainder_optab. Remove
409 drem_optab initialization.
410 * genopinit.c (optabs): Implement remainder_optab using
411 remainder?f3 patterns. Remove drem_optab.
412 * builtins.c (expand_builtin_mathfn_2): Handle
413 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
414 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
415 expand_builtin_mathfn_2.
417 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
418 depend on flag_unsafe_math_optimizations.
420 * config/i386/i386.md ("remaindersf3", "remainderdf3")
421 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
422 Do not depend on flag_unsafe_math_optimizations. Use
423 truncxf?f expander instead of truncxf?f_i387_noop.
425 ("fpremxf4", "fprem1xf4"): Do not depend on
426 flag_unsafe_math_optimizations.
427 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
428 flag_unsafe_math_optimizations. Use truncxf?f expander
429 instead of truncxf?f_i387_noop.
431 * doc/md.texi (fmod, remainder): Document standard named pattern.
433 2006-10-24 Richard Sandiford <richard@codesourcery.com>
434 David Daney <ddaney@avtrex.com>
437 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
439 2006-10-25 Ben Elliston <bje@au.ibm.com>
441 * doc/extend.texi (Variable Attributes): Typo fix.
443 2006-10-24 Uros Bizjak <uros@kss-loka.si>
445 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
446 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
447 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
448 (FRAME_POINTER_REGNUM): Update register number to 21.
449 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
450 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
452 * config/i386/i386.c (regclass_map): Add fpcr entry.
453 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
455 (print_reg): Assert REGNO (x) != FPCR_REG.
457 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
458 (DIRFLAG_REG): Renumber.
459 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
460 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
461 (sse_prologue_save, *sse_prologue_save_insn): Renumber
462 hardcoded SSE register numbers.
464 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
465 hardcoded MMX register numbers.
467 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
470 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
471 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
473 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
474 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
475 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
476 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
478 2006-10-24 Richard Guenther <rguenther@suse.de>
481 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
482 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
483 for deciding optimizations in consistency with fold-const.c
484 (fold_builtin_unordered_cmp): Likewise.
486 2006-10-24 Richard Guenther <rguenther@suse.de>
488 * builtins.c (fold_builtin_floor): Fold floor (x) where
489 x is nonnegative to trunc (x).
490 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
491 nonnegative to FIX_TRUNC_EXPR.
493 2006-10-24 Richard Guenther <rguenther@suse.de>
495 PR tree-optimization/29567
496 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
497 for TRUTH_NOT_EXPR. Clarify comments.
499 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
502 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
503 at compile-time using MPFR. Change parameter VALUE to FUNC,
505 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
506 for overflow and underflow at all times and avoid folding in
509 2006-10-24 Ben Elliston <bje@au.ibm.com>
511 * reload1.c: Formatting fixes.
513 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
515 PR tree-optimization/14784
516 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
517 * tree-ssa-structalias.c (get_constraint_for,
518 intra_create_variable_infos): Set is_heapvar.
519 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
520 non-heapvar pointer variables specially.
522 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
525 * builtins.c (fold_builtin_sin, fold_builtin_cos,
526 fold_builtin_tan): Fold all constant arguments. Take a "type"
527 argument as necessary.
529 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
531 2006-10-23 Bob Wilson <bob.wilson@acm.org>
533 * config/xtensa/lib1funcs.asm: Use C-style comments.
535 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
537 * tree.c (local_define_builtin): Replace calls to
538 lang_hooks.builtin_function with add_builtin_function.
539 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
541 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
543 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
544 common code to add_builtin_function.
545 * langhooks.c (add_builtin_function): New function.
546 (lhd_builtin_function): New function.
547 * langhooks.h (struct lang_hooks): Change the signature of
549 (add_builtin_function): New function.
550 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
551 calls to lang_hooks.builtin_function with add_builtin_function.
552 * c-common.c (decl_builtin_1): Replace calls to
553 lang_hooks.builtin_function with add_builtin_function.
554 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
555 lang_hooks.builtin_function with add_builtin_function.
556 * config/frv/frv.c (def_builtin): Replace calls to
557 lang_hooks.builtin_function with add_builtin_function.
558 * config/s390/s390.c (s390_init_builtins): Replace calls to
559 lang_hooks.builtin_function with add_builtin_function.
560 * config/sparc/sparc.c (def_builtin): Replace calls to
561 lang_hooks.builtin_function with add_builtin_function.
562 * config/i386/i386.c (def_builtin): Replace calls to
563 lang_hooks.builtin_function with add_builtin_function.
564 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
565 lang_hooks.builtin_function with add_builtin_function.
566 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
567 lang_hooks.builtin_function with add_builtin_function.
568 * config/stormy16/stormy16.c (xstormy16_init_builtins):
569 Replace calls to lang_hooks.builtin_function with
570 add_builtin_function.
571 * config/iq2000/iq2000.c (def_builtin):
572 Replace calls to lang_hooks.builtin_function with
573 add_builtin_function.
574 * config/ia64/ia64.c (def_builtin): Replace calls to
575 lang_hooks.builtin_function with add_builtin_function.
576 * config/rs6000/rs6000.c (def_builtin): Replace calls to
577 lang_hooks.builtin_function with add_builtin_function.
578 (altivec_init_builtins): Replace calls to
579 lang_hooks.builtin_function with add_builtin_function.
580 * config/arm/arm.c (def_mbuiltin): Replace calls to
581 lang_hooks.builtin_function with add_builtin_function.
582 (arm_init_tls_builtins): Replace calls to
583 lang_hooks.builtin_function with add_builtin_function.
584 * config/mips/mips.c (mips_init_builtins): Replace calls to
585 lang_hooks.builtin_function with add_builtin_function.
586 * config/bfin/bfin.c (def_builtin): Replace calls to
587 lang_hooks.builtin_function with add_builtin_function.
588 * langhooks-def.h (lhd_builtin_function): New function.
589 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
591 2006-10-23 Jakub Jelinek <jakub@redhat.com>
593 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
594 BUILT_IN_STRNCAT_CHK.
596 2006-10-23 Jan Hubicka <jh@suse.cz>
598 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
599 don't do conversion from memmove to memcpy here.
600 (expand_builtin_bcopy, expand_builtin): Update call of
601 expand_builtin_memmove.
602 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
604 2006-10-23 Paul Brook <paul@codesourcery.com>
606 * stor-layout.c (start_record_layout): maximum_field_alignment
607 overrides STRUCTURE_SIZE_BOUNDARY.
609 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
611 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
612 nonlocal function symbols if flag_pic.
614 2006-10-23 Richard Guenther <rguenther@suse.de>
618 * builtins.c (fold_binary): Remove checks for flag_wrapv
619 and flag_trapv where negate_expr_p covers these cases.
621 2006-10-23 Richard Guenther <rguenther@suse.de>
624 * fold-const.c (fold_plusminus_mult_expr): Check exact power
625 of two on the absolute value.
626 (fold_binary): Fold x * -C to -x * C if x is easily negatable
627 and negating -C does not overflow.
629 2006-10-23 Richard Guenther <rguenther@suse.de>
632 * convert.c (convert_to_real): Fold (float)-x to -(float)x
633 only if not flag_rounding_math.
635 2006-10-22 Richard Sandiford <richard@codesourcery.com>
636 Kaz Kojima <kkojima@gcc.gnu.org>
639 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
640 SImode memory reference for the source of a movua.
641 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
642 (movua): Use an unspec instead of sign_extract. Expect the source
643 to have mode BLKmode.
644 (extv, insv): Use a BLKmode rather than SImode memory reference
645 for the source of a movua.
647 2006-10-22 Jeff Law <law@redhat.com>
648 Richard Guenther <rguenther@suse.de>
650 PR tree-optimization/15911
651 * tree-vrp.c (extract_code_and_val_from_cond): New function.
652 (register_edge_assert_for_1): Likewise.
653 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
654 (find_conditional_asserts): Adjust for new function signature.
655 (find_assert_locations): Likewise.
657 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
659 * config/i386/tmmintrin.h: Remove the duplicated content.
661 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
663 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
664 (x86_64-*-*): Likewise.
666 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
667 (override_options): Check SSSE3.
668 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
669 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
670 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
671 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
672 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
673 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
674 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
675 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
676 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
677 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
678 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
679 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
680 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
681 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
682 IX86_BUILTIN_PABSD128.
683 (bdesc_2arg): Add SSSE3.
684 (bdesc_1arg): Likewise.
685 (ix86_init_mmx_sse_builtins): Support SSSE3.
686 (ix86_expand_builtin): Likewise.
687 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
689 * config/i386/i386.md (UNSPEC_PSHUFB): New.
690 (UNSPEC_PSIGN): Likewise.
691 (UNSPEC_PALIGNR): Likewise.
692 Include mmx.md before sse.md.
694 * config/i386/i386.opt: Add -mssse3.
696 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
697 (ssse3_phaddwv4hi3): Likewise.
698 (ssse3_phadddv4si3): Likewise.
699 (ssse3_phadddv2si3): Likewise.
700 (ssse3_phaddswv8hi3): Likewise.
701 (ssse3_phaddswv4hi3): Likewise.
702 (ssse3_phsubwv8hi3): Likewise.
703 (ssse3_phsubwv4hi3): Likewise.
704 (ssse3_phsubdv4si3): Likewise.
705 (ssse3_phsubdv2si3): Likewise.
706 (ssse3_phsubswv8hi3): Likewise.
707 (ssse3_phsubswv4hi3): Likewise.
708 (ssse3_pmaddubswv8hi3): Likewise.
709 (ssse3_pmaddubswv4hi3): Likewise.
710 (ssse3_pmulhrswv8hi3): Likewise.
711 (ssse3_pmulhrswv4hi3): Likewise.
712 (ssse3_pshufbv16qi3): Likewise.
713 (ssse3_pshufbv8qi3): Likewise.
714 (ssse3_psign<mode>3): Likewise.
715 (ssse3_psign<mode>3): Likewise.
716 (ssse3_palignrti): Likewise.
717 (ssse3_palignrdi): Likewise.
718 (abs<mode>2): Likewise.
719 (abs<mode>2): Likewise.
721 * config/i386/tmmintrin.h: New file.
723 * doc/extend.texi: Document SSSE3 built-in functions.
725 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
727 2006-10-22 Ira Rosen <irar@il.ibm.com>
729 * tree-vect-transform.c (vectorizable_load): Use the type of the
730 return value of the mask_for_load builtin to create realign_load
733 2006-10-22 Richard Sandiford <richard@codesourcery.com>
735 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
738 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
740 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
741 (UNSPEC_LDDQU): This.
742 * config/i386/sse.md (sse3_lddqu): Updated.
744 2006-10-21 Richard Guenther <rguenther@suse.de>
746 * builtins.c (expand_builtin_int_roundingfn_2): New function.
747 (expand_builtin): Use it to expand lrint instead of
748 expand_builtin_mathfn.
750 2006-10-21 Uros Bizjak <uros@kss-loka.si>
753 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
754 flag_unsafe_math_optimizations is set.
756 2006-10-21 Uros Bizjak <uros@kss-loka.si>
759 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
760 patterns to use memory input operand in x87->mem->XMM
761 reload sequences. Skip transformation for TARGET_K8.
763 2006-10-21 Uros Bizjak <uros@kss-loka.si>
765 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
766 force operand1 to register if both operands are memory operands.
767 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
768 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
769 if both operands are memory operands.
770 (truncdfsf2): Do not force operand1 to register if both operands
773 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
775 * Makefile.in (LIBS): Add $(GMPLIBS).
776 * doc/install.texi: Update GMP and MPFR requirements.
777 * doc/sourcebuild.texi (need_gmp): Delete.
779 2006-10-21 Richard Guenther <rguenther@suse.de>
781 PR tree-optimization/3511
782 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
783 got new invariant arguments during PHI translation.
785 2006-10-21 Richard Guenther <rguenther@suse.de>
788 * fold-const.c (fold_comparison): Fold signed comparisons
789 of the form X +- C1 CMP Y +- C2.
791 2006-10-21 Richard Guenther <rguenther@suse.de>
794 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
795 if flag_unsafe_math_optimizations is specified. We have
796 flag_finite_math_only for that.
797 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
798 or flag_unsafe_math_optimizations.
800 2006-10-21 Richard Guenther <rguenther@suse.de>
802 * builtins.c (fold_builtin_classify): Fix typo.
804 2006-10-21 Richard Guenther <rguenther@suse.de>
807 * simplify-rtx.c (simplify_const_relational_operation):
808 Do not constant-fold ORDERED and UNORDERED for
809 flag_unsafe_math_optimizations but only we do not need to
810 honor NaNs for the given mode.
812 2006-10-21 Richard Guenther <rguenther@suse.de>
815 * config/i386/i386.c (classify_argument): Remove redundant
816 walking of the BINFOs.
817 (contains_128bit_aligned_vector_p): Likewise.
819 2006-10-20 Mark Mitchell <mark@codesourcery.com>
821 * BASE-VER: Set to 4.3.0.
823 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
825 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
826 (tree_decl_with_vis): Remove artificial_pta_var flag.
827 * tree-flow.h (referenced_var_check_and_insert): Expose.
828 (nonlocal_all): New prototype.
829 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
830 (nonlocal_all): Make global.
831 (nonlocal_lookup): Remove.
832 (nonlocal_insert): Ditto.
833 (create_nonlocal_var): Do not call nonlocal_insert.
834 (get_nonlocal_id_for_type): Remove.
835 (find_global_initializers): Mark new vars we find for renaming.
836 (intra_create_variable_infos): Only create one nonlocal.
837 (expand_nonlocal_solutions): Remove.
838 (compute_points_to_sets): Don't call it.
839 (ipa_pta_execute): Ditto.
840 (init_alias_heapvars): Don't create nonlocal_for_type.
841 (delete_alias_heapvars): Don't remove it.
842 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
845 2006-10-19 Brooks Moses <bmoses@stanford.edu>
847 * doc/install.texi (Downloading GCC): Clarify mention of
848 Fortran in the "full distribution" description.
850 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
852 Fix PR tree-optimization/28778
853 Fix PR tree-optimization/29156
854 Fix PR tree-optimization/29415
855 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
856 (tree_decl_with_vis): Add artificial_pta_var flag.
857 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
859 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
860 (nonlocal_all): Ditto.
861 (struct variable_info): Add directly_dereferenced member.
862 (var_escaped_vars): New variable.
863 (escaped_vars_tree): Ditto.
864 (escaped_vars_id): Ditto.
865 (nonlocal_vars_id): Ditto.
866 (new_var_info): Set directly_dereferenced.
867 (graph_size): New variable
868 (build_constraint_graph): Use graph_size.
869 (solve_graph): Don't process constraints that cannot change the
870 solution, don't try to propagate an empty solution to our
872 (process_constraint): Set directly_dereferenced.
873 (could_have_pointers): New function.
874 (get_constraint_for_component_ref): Don't process STRING_CST.
875 (nonlocal_lookup): New function.
876 (nonlocal_insert): Ditto.
877 (create_nonlocal_var): Ditto.
878 (get_nonlocal_id_for_type): Ditto.
879 (get_constraint_for): Allow results vector to be empty in the case
881 Handle results of calls properly.
882 (update_alias_info): Update alias info stats on number and type of
884 (find_func_aliases): Use could_have_pointers.
885 (make_constraint_from_escaped): Renamed from
886 make_constraint_to_anything, and changed to make constraints from
888 (make_constraint_to_escaped): New function.
889 (find_global_initializers): Ditto.
890 (create_variable_info_for): Make constraint from escaped to any
891 global variable, and from any global variable to the set of
893 (intra_create_variable_infos): Deal with escaped instead of
894 pointing to anything.
895 (set_uids_in_ptset): Do type pruning on directly dereferenced
897 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
898 (init_base_vars): Fix comment, and initialize escaped_vars.
899 (need_to_solve): Removed.
900 (find_escape_constraints): New function.
901 (expand_nonlocal_solutions): Ditto.
902 (compute_points_to_sets): Call find_escape_constraints and
903 expand_nonlocal_solutions.
904 (delete_points_to_sets): Don't fall off the end of the graph.
905 (init_alias_heapvars): Initialize nonlocal_for_type and
907 (delete_alias_heapvars): Free nonlocal_for_type and null out
910 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
912 * fold-const.c (add_double): Rename to add_double_with_sign.
913 Add 'unsigned_p' parameter and take it into account for the overflow.
914 (mul_double): Rename to mul_double_with_sign.
915 Add 'unsigned_p' parameter and take it into account for the overflow.
916 (fold_div_compare): Call add_double_with_sign instead of add_double
917 and mul_double_with_sign instead of mul_double, passing them the
918 unsignedness of the type.
919 * tree.h (add_double): Macroize.
920 (add_double_with_sign): New prototype.
921 (mul_double): Macroize.
922 (mul_double_with_sign): New prototype.
924 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
926 * config/score/crti.asm: New file.
927 * config/score/crtn.asm: New file.
928 * config/score/elf.h: New file.
929 * config/score/mac.md: New file.
930 * config/score/misc.md: New file.
931 * config/score/mul-div.S: New file.
932 * config/score/predicates.md: New file.
933 * config/score/score7.md: New file.
934 * config/score/score.c: New file.
935 * config/score/score-conv.h: New file.
936 * config/score/score.h: New file.
937 * config/score/score.md: New file.
938 * config/score/score-mdaux.c: New file.
939 * config/score/score-mdaux.h: New file.
940 * config/score/score-modes.def: New file.
941 * config/score/score.opt: New file.
942 * config/score/score-protos.h: New file.
943 * config/score/score-version.h: New file.
944 * config/score/t-score-elf: New file.
945 * config.gcc: Add score*-*-* configurations(Update before).
946 * doc/invoke.texi (Score Options): New section.
947 * doc/md.texi (Score family): New section to document constraints.
949 2006-10-19 Nick Clifton <nickc@redhat.com>
951 * config/arm/arm.c: Fix spelling typo.
953 2006-10-18 Tom Tromey <tromey@redhat.com>
955 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
957 2006-10-18 Jan Hubicka <jh@suse.cz>
960 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
963 2006-10-18 Marcin Dalecki <martin@dalecki.de>
965 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
966 TSI_SAME_STMT, since that's the desired entity.
968 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
970 * config/s390/contraints.md: New file.
971 * config/s390/s390-protos.h (s390_mem_constraint,
972 s390_O_constraint_str, s390_N_constraint_str,
973 s390_float_const_zero_p): Function prototypes added.
974 * config/s390/s390.c (s390_extra_constraint_str,
975 s390_const_double_ok_for_constraint_p,
976 s390_const_ok_for_constraint_p): Functions removed.
977 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
978 s390_float_const_zero_p): New functions.
979 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
980 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
981 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
982 Macro definitions removed.
983 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
984 s390_extra_constraint_str): Functions removed.
986 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
987 Richard Sandiford <richard@codesourcery.com>
990 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
991 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
993 2006-10-16 Geoffrey Keating <geoffk@apple.com>
995 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
996 (DWARF2_FRAME_REG_OUT): Likewise.
997 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
998 (DWARF2_FRAME_REG_OUT): Likewise.
1000 2006-10-17 Paul Brook <paul@codesourcery.com>
1002 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1004 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1006 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1007 Standardize on "GNU Fortran" as the official name of the Fortran
1010 2006-10-16 Mike Stump <mrs@apple.com>
1012 * doc/invoke.texi (Darwin Options): Document -mkernel.
1013 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1015 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1016 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1017 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1018 (OS_MISSING_ALTIVEC): Add.
1019 * config/i386/i386.c (override_options): Add
1020 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1021 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1022 -mkernel, -static or -mdynamic-no-pic is given.
1023 (C_COMMON_OVERRIDE_OPTIONS): Add.
1024 * config/darwin.opt (fapple-kext): Add.
1026 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1027 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1029 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1030 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1031 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1032 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1033 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1034 (flag_mkernel): Add.
1035 (flag_apple_kext): Add.
1036 (TARGET_KEXTABI): Add.
1037 * config/darwin.c (darwin_handle_kext_attribute): Add.
1038 (DARWIN_VTABLE_P): Add.
1039 (darwin_binds_local_p): Add partial support for rebinding vtables
1041 (darwin_kextabi_p): Add.
1042 (darwin_override_options): Add.
1043 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1044 (darwin_kextabi_p): Add.
1045 (darwin_override_options): Add.
1046 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1047 __DYNAMIC__ and __STATIC__ here.
1049 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1051 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1052 Added mention of "make pdf" target, and Texinfo requirements for
1055 2006-10-16 DJ Delorie <dj@redhat.com>
1057 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1058 into the GOT in case we need a subreg of the address.
1060 2006-10-16 Richard Guenther <rguenther@suse.de>
1063 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1064 SSE builtin documentation. Document SSE2 builtins.
1066 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1068 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1069 symbol in the output file for non-shared links when -nostdlib or
1070 -nodefaultlibs isn't specified.
1072 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1073 posix thread support.
1075 2006-10-15 Jan Hubicka <jh@suse.cz>
1078 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1079 declared always_inline even when not inlining.
1081 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1082 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1083 Andrew Pinski <pinskia@gmail.com>
1086 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1088 2006-10-15 Jan Hubicka <jh@suse.cz>
1089 Richard Guenther <rguenther@suse.de>
1092 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1093 process_function_and_variable_attributes on all variables, including
1094 those discovered during cgraph construction phase.
1096 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1098 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1100 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1102 * config/i386/athlon.md (athlon_fist): Add fisttp.
1104 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1105 Ian Lance Taylor <ian@airs.com>
1108 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1109 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1112 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1114 * config/score/score.c, config/score/score.h: Fix comment
1117 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1120 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1123 2006-10-13 Eric Christopher <echristo@apple.com>
1125 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1127 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1130 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1131 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1132 alignment supported by 32-bit ELF.
1134 2006-10-13 Eric Christopher <echristo@apple.com>
1136 * config/darwin.c (darwin_emit_unwind_label): Strip
1137 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1139 2006-10-13 Richard Guenther <rguenther@suse.de>
1141 PR tree-optimization/29446
1142 * tree-vrp.c (fix_equivalence_set): Remove.
1143 (extract_range_from_assert): Do not call fix_equivalence_set.
1144 (debug_value_range): Print a newline.
1145 (compare_name_with_value): For equivalence sets with
1146 inconsistent value ranges conservatively bail out.
1147 (compare_names): Likewise.
1149 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1151 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1152 and MPFR for gfortran.
1154 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1156 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1157 alignment supported by 32-bit ELF.
1159 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1163 * c-typeck.c (digest_init): Always allow initializing vectors
1164 that have static storage duration with compound literals.
1165 * tree.c (build_type_attribute_qual_variant): New, based on
1166 build_type_attribute_variant.
1167 (build_type_attribute_variant): Rewrite using the former.
1168 (make_vector_type): Use build_type_attribute_qual_variant to build
1169 type variants. Use type_hash_canon on the others.
1171 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1172 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1174 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1176 2006-10-12 Jan Hubicka <jh@suse.cz>
1179 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1180 current_function_decl is set but current_function_scope is not.
1182 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1184 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1185 emit_insn to emit eh_return_internal instruction.
1186 (eh_return_internal): Explicitly set pc.
1188 2006-10-11 Richard Guenther <rguenther@suse.de>
1190 PR tree-optimization/28230
1191 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1192 to the correct place.
1194 2006-10-11 Richard Guenther <rguenther@suse.de>
1197 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1200 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1202 * configure.ac: Added pdf to "Make-hooks"
1203 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1204 targets and *.pdf file patterns in cleanup targets.
1205 * configure: Regenerated.
1207 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1209 * config/avr/predicates.md: New file.
1210 * config/avr/avr.md: Include it.
1211 (REG_SP): New constant.
1212 (peepholes): Use predicates.
1213 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1214 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1215 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1217 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1219 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1222 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1225 * builtins.c (var_decl_component_p): New function.
1226 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1227 single entry optimization to variables and components thereof.
1229 2006-10-10 Richard Guenther <rguenther@suse.de>
1231 PR rtl-optimization/29323
1232 * except.c (set_nothrow_function_flags): For functions
1233 that do not bind local bail out early.
1235 2006-10-10 Ben Elliston <bje@au.ibm.com>
1237 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1240 2006-10-09 Richard Henderson <rth@redhat.com>
1242 Revert emutls patch.
1244 2006-10-09 Richard Guenther <rguenther@suse.de>
1247 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1250 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1253 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1254 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1255 * configure: Regenerate.
1256 * config.in: Regenerate.
1258 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1260 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1262 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1264 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1265 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1266 Remove stray newline.
1268 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1270 * config/mips/mips.c (mips_classify_symbol): Do not return
1271 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1272 (mips_in_small_data_p): Tweak comments.
1274 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1276 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1278 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1280 * gimplify.c, sched-int.h: Fix comment typos.
1282 * sched-int.h: Fix comment typos.
1284 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1286 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1288 * sched-ebb.c (begin_schedule_ready): Use them.
1289 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1290 add_to_speculative_block, create_check_block_twin, speculate_insn,
1291 fix_jump_move, move_block_after_check): Ditto.
1292 * sched-rgn.c (new_ready): Ditto.
1294 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1296 PR rtl-optimization/29128
1297 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1298 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1299 allow interblock movement of speculation checks.
1301 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1304 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1305 casted to integer type.
1306 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1307 if they are significantly more expensive than [reg + index] ones.
1309 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1311 PR tree-optimization/29330
1312 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1313 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1314 on newly allocated ddrs.
1315 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1316 to VEC (loop_p, heap) pointer.
1317 (compute_data_dependences_for_loop): Adjust caller.
1318 (free_dependence_relations): Free DDR_LOOP_NEST.
1320 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1321 free DEPENDENCE_RELATIONS and DATAREFS.
1324 * builtins.c (expand_builtin_sync_operation,
1325 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1326 Use convert_to_mode to handle promoted arguments.
1328 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1330 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1332 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1334 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1336 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1338 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1339 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1340 Use <modeconstraint> instead of "r" as operand 1 constraint.
1342 2006-10-06 Olivier Hainque <hainque@adacore.com>
1344 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1345 Don't recurse on the pointed-to type.
1346 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1347 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1348 types with components of variable size.
1350 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1352 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1354 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1356 PR tree-optimization/29290
1357 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1361 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1362 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1365 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1366 the number of vector elements fill the rest with zeros.
1368 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1370 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1371 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1374 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1376 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1377 unnamed pattern into subsi3. Use correct constraints/predicates.
1378 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1379 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1381 2006-10-05 Ira Rosen <irar@il.ibm.com>
1383 * doc/loop.texi: Add data references analysis description.
1385 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1387 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1389 2006-10-04 Richard Henderson <rth@redhat.com>
1390 Jakub Jelinek <jakub@redhat.com>
1392 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1393 * builtin-types.def (BT_WORD): Make unsigned.
1394 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1395 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1396 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1397 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1398 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1399 * cgraph.c (decide_is_variable_needed): Look at force_output.
1400 Recurse for emulated tls.
1401 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1402 checks redundant with decide_is_variable_needed.
1403 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1404 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1406 * expr.c (emutls_var_address): New.
1407 (expand_expr_real_1): Expand emulated tls.
1408 (expand_expr_addr_expr_1): Likewise.
1409 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1410 * output.h (emutls_finish): Declare.
1411 * toplev.c (compile_file): Call it.
1412 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1413 address before wrapping in CONST.
1414 * varasm.c (emutls_htab, emutls_object_type): New.
1415 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1416 (get_emutls_object_name, get_emutls_object_type): New.
1417 (get_emutls_init_templ_addr, emutls_decl): New.
1418 (emutls_common_1, emutls_finish): New.
1419 (assemble_variable): When emulating tls, swap decls; generate
1420 constructor for the emutls objects.
1421 (do_assemble_alias): When emulating tls, swap decl and target name.
1422 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1424 * emutls.c: New file.
1425 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1426 tls_object for real tls.
1428 2006-10-04 Zack Weinberg <zackw@panix.com>
1430 Fix bug in constraint-check generator, reported by Rask Ingemann
1432 * genpreds.c (add_constraint): Don't remove anything from the
1434 (write_tm_constrs_h): Detect whether "op" argument is used, and
1435 mark it ARG_UNUSED if it isn't.
1436 (write_insn_const_int_ok_for_constraint): Skip the part of the
1437 expression that would test whether "op" (which is not available
1438 here) is a CONST_INT.
1440 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1443 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1445 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1447 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1448 current Leopard versions.
1449 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1451 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1453 * doc/install.texi: Fix typos.
1455 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1457 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1458 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1459 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1461 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1463 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1464 arg to be struct mach_header_64* instead.
1466 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1469 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1470 side effects after the outer expression's post side effects.
1472 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1474 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1475 comments to reflect actual behavior and relationship between
1476 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1478 * doc/c-tree.texi (Working with declarations): Fix documentation
1479 of FIELD_DECL likewise.
1481 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1484 * doc/extend.texi: Add used variable attribute description.
1486 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1489 * c.opt (Woverride-init): New.
1490 * c-opts.c (c_common_post_options): Default warn_override_init to
1492 * c-typeck.c (add_pending_init, output_init_element): Warn for
1493 overriding initializers without side effects.
1494 * doc/invoke.texi (-Woverride-init): Document.
1497 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1499 PR rtl-optimization/28096
1500 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1501 assignment has already been used as a destination earlier in the block.
1503 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1505 * builtins.c (expand_builtin_setjmp): Delete.
1506 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1507 <BUILT_IN_SETJMP_SETUP>: New case.
1508 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1509 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1510 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1511 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1512 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1513 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1514 (lower_function_body): Initialize it to false. If it is set to true
1515 at the end of the processing, emit the setjmp dispatcher.
1516 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1517 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1518 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1519 on the rhs of the assignment.
1520 (lower_builtin_setjmp): New function.
1521 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1522 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1523 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1524 to detect calls that can go to non-local labels. Use specific
1525 helper to create the abnormal edges associated with them.
1526 <MODIFY_EXPR>: Likewise.
1527 (make_abnormal_goto_edges): New function extracted from...
1528 (make_goto_expr_edges): ...here. Call it for computed gotos.
1529 (simple_goto_p): Minor tweak.
1530 (tree_can_make_abnormal_goto): New predicate.
1531 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1532 (tree_purge_dead_abnormal_call_edges): New function.
1533 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1534 (tree_purge_dead_abnormal_call_edges): Likewise.
1535 (make_abnormal_goto_edges): Likewise.
1536 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1537 Purge all dead abnormal edges if the call was in the last statement.
1538 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1539 (execute_fixup_cfg): If there are non-local labels in the function,
1540 scan the basic blocks and split them at calls that can go to non-local
1541 labels or add missing abnormal call edges. Write down the CFG in the
1543 (pass_fixup_cfg): Remove TODO_dump_func flag.
1544 * unwind-sjlj.c: Poison setjmp.
1545 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1546 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1547 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1548 (DONT_USE_BUILTIN_SETJMP): Document it.
1550 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1553 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1554 to 1 when __ppc64__ is defined.
1555 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1557 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1559 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1561 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1562 * config/ia64/unwind-hpux.c: Delete.
1564 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1566 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1567 on the element before gimplifying it, instead of punting if it is of
1570 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1572 * doc/loop.texi: New file.
1573 * doc/gccint.texi: Reference loop.texi.
1574 * Makefile.in (loop.texi): Add.
1576 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1578 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1580 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1581 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1583 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1585 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1587 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1589 * doc/install.texi: Document required versions of GMP and MPFR.
1591 2006-09-27 Paul Brook <paul@codesourcery.com>
1594 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1596 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1598 * reload1.c (alter_reg): Require the alignment of the stack slot to
1599 be at least reg_max_ref_width bytes.
1600 (scan_paradoxical_subregs): Record the largest width in
1603 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1607 * tree-nested.c (struct nesting_info): Added static_chain_added.
1608 (convert_call_expr): Set static_chain_added when adding static
1609 chain. Handle OMP_PARALLEL and OMP_SECTION.
1611 2006-09-25 Matthias Klose <doko@debian.org>
1613 * doc/invoke.texi: Add missing full stop.
1615 2006-09-25 Richard Henderson <rth@redhat.com>
1617 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1618 before cgraph_function_flags_ready.
1620 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1621 Adam Nemet <anemet@caviumnetworks.com>
1623 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1624 determine_common_wider_type): New functions.
1625 (get_computation_aff): Use them to simplify arithmetic between
1626 UBASE and CBASE if they are shortened from the same type.
1628 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1631 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1632 -2147483647 - 1 instead of 0x80000000.
1634 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1636 * flags.h (HONOR_NANS): Fix typo in comment.
1638 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1640 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1642 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1646 * tree.c (merge_attributes, attribute_list_contained): If both
1647 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1649 * c-typeck.c (comptypes_internal): Don't consider aggregates
1650 in different TUs as compatible if there one set of attributes is
1651 not a subset of the other type's attributes.
1652 (composite_type): Try harder not to create a new aggregate type.
1654 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1656 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1657 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1658 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1659 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1660 than replicating condition above.
1661 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1663 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1664 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1665 the linker by default.
1667 2006-09-22 Mike Stump <mrs@apple.com>
1669 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1672 2006-09-22 Richard Guenther <rguenther@suse.de>
1675 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1676 sort of stack variables stable.
1678 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1681 * explow.c (force_reg): Set REG_POINTER flag according to
1684 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1686 PR tree-optimization/28888
1687 * tree-if-conv.c (combine_blocks): Rewritten.
1688 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1689 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1691 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1693 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1696 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1698 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1700 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1702 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1704 2006-09-21 Roger Sayle <roger@eyesopen.com>
1707 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1708 dw_fde_current_label, to be the start of the function, i.e. the same
1709 value as dw_fde_begin.
1711 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1713 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1714 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1715 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1716 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1717 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1718 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1719 (abs<mode>2, neg<mode>2): Likewise.
1720 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1721 (*mips_abs_ps): New define_insn.
1723 2006-09-20 Josh Conner <jconner@apple.com>
1726 * calls.c (expand_call): Allow reuse of structure return stack
1729 2006-09-20 Paul Brook <paul@codesourcery.com>
1731 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1734 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1736 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1737 clean up terminology.
1739 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1742 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1743 with tablejumps in them.
1745 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1748 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1749 wrap it into TARGET_EXPR.
1751 2006-09-20 Eric Christopher <echristo@apple.com>
1753 * config/i386/i386.c (x86_fisttp): Remove.
1754 * config/i386/i386.h (x86_fisttp): Ditto.
1755 (TARGET_FISTTP): Ditto.
1757 2006-09-19 Eric Christopher <echristo@apple.com>
1759 * doc/tm.texi (OBJC_JBLEN): Describe.
1760 * config/i386/darwin.h (OBJC_JBLEN): Define.
1761 * config/rs6000/darwin.h: Ditto.
1763 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1765 PR rtl-optimization/21299
1766 * reload1.c (reload): Purge invalid ASMs in the final pass.
1768 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1771 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1772 pointers as legitimate constants.
1774 2006-09-19 Paul Brook <paul@codesourcery.com>
1777 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1779 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1781 PR tree-optimization/28887
1782 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1783 component parts from the reference.
1784 (gather_memory_references_ref): Record the reference without the
1785 nonaddressable component parts.
1787 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1790 * c-opts.c (c_common_handle_option): Ignore the -std options
1791 if the input language is assembly.
1793 2006-09-17 Ira Rosen <irar@il.ibm.com>
1796 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1798 (ptr_ptr_may_alias_p): Likewise.
1799 (record_record_differ_p): New function.
1800 (base_object_differ_p): Call record_record_differ_p.
1802 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1805 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1806 away for the expr argument.
1808 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1811 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1812 before using it for dumping after vectorizing loops.
1814 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1815 Jack Howarth <howarth@bromo.med.uc.edu>
1818 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1819 skip on error_mark_node.
1820 (rs6000_darwin64_record_arg_recurse): Likewise.
1822 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1824 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1825 * doc/rtl.texi: Remove related documentation.
1827 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1829 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1832 2006-09-15 Jim Wilson <wilson@specifix.com>
1834 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1835 Handle symbol offsets same as they are handled in ia64_expand_move
1838 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1840 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1841 Add forgotten parameter to the fprintf call.
1843 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1845 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1847 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1849 * doc/contrib.texi: Add my entry.
1851 2006-09-15 Nick Clifton <nickc@redhat.com>
1853 * doc/md.texi (Processor pipeline description): Fix typo in
1854 example of how to use the absence_set directive and reword the
1855 description to make it slightly easier to read.
1857 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1859 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1860 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1861 expanding the number of iterations.
1862 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1864 * cfgrtl.c (emit_insn_at_entry): New function.
1865 * rtl.h (emit_insn_at_entry): Declare it.
1866 * integrate.c (emit_initial_value_sets): Use it.
1868 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1870 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1872 (struct loop_work and related VEC declarations): Delete.
1873 (bfin_dump_loops): Print out new member bad.
1874 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1875 (bfin_scan_loop): Don't recurse.
1876 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1877 loops. No longer need to update outer loops if the current one is
1878 found bad. Move some validitiy checks to bfin_discover_loop.
1879 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1880 but changed not to check for nesting. Also changed to use the new bad
1882 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1883 time. Use bitmap based test to discover loop nesting.
1885 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1887 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1890 2006-09-14 Richard Guenther <rguenther@suse.de>
1891 Kazu Hirata <kazu@codesourcery.com>
1893 PR middle-end/28884.
1894 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1895 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1896 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1897 with TARGET_FUNCTION_VALUE.
1899 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1902 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1904 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1906 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1909 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1912 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1915 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1917 * basic_block.h (bb_has_eh_pred): Fix comment.
1919 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1921 * flow.c (calculate_global_regs_live): Invalidate eh registers
1922 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1923 (propagate_block): Handle eh registers as if they were set at basic
1925 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1927 * global.c (global_conflicts): Make eh registers to conflict with
1928 pseudos live at basic block begin.
1929 * basic_block.h (bb_has_eh_pred): New function.
1931 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1933 PR rtl-optimization/28982
1934 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1935 index of a PRE_MODIFY or POST_MODIFY address.
1936 * reload1.c (inc_for_reload): Use find_replacement on the original
1937 base and index registers.
1939 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1941 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1942 for -Os. Update __m128 alignment requirement.
1944 2006-09-13 Jan Hubicka <jh@suse.cz>
1946 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1948 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1950 PR rtl-optimization/28243
1951 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1952 the insn to which the note was originally attached.
1954 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1955 Roger Sayle <roger@eyesopen.com>
1957 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1958 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1959 on platforms that don't use dwarf for debug info.
1961 2006-09-12 Jason Merrill <jason@redhat.com>
1964 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1965 hard_frame_pointer_rtx after using it to update the frame pointer.
1967 2006-09-12 Roger Sayle <roger@eyesopen.com>
1969 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1970 (TARGET_ASM_CLOSE_PAREN): Likewise.
1971 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1972 (TARGET_ASM_CLOSE_PAREN): Likewise.
1974 2006-09-12 Roger Sayle <roger@eyesopen.com>
1977 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1978 frame information for frames larger than 512 Kbytes on Tru64 when
1979 using the native assembler.
1981 2006-09-12 Roger Sayle <roger@eyesopen.com>
1985 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1986 and symbols. Instead use the implementation from cse.c's hash_rtx.
1988 2006-09-12 Jan Hubicka <jh@suse.cz>
1990 PR rtl-optimization/28071
1991 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1992 (vect_transform_loop): Likewise.
1993 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1994 (new_loop_vec_info): Likewise.
1995 (destroy_loop_vec_info): Likewise.
1996 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1997 (create_stmt_ann): Likewise.
1998 (create_tree_ann): Rename to ...
1999 (create_tree_common_ann): ... this one; allocate only the common part
2001 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2002 (get_value_handle): Likewise.
2003 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2004 get_tree_common_ann.
2005 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2006 (vinfo_for_stmt): Use stmt annotations.
2007 * tree-flow.h (tree_ann_common_t): New type.
2008 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2009 (tree_ann, get_tree_ann, create_tree_ann): New.
2010 * tree-flow-inline.h (get_function_ann): Do more type checking.
2011 (stmt_ann): Likewise.
2012 (tree_ann): Rename to ...
2013 (tree_common_ann): ... this one; return ony common_ann
2014 (get_tree_ann): Rename to ...
2015 (tree_common_ann): This one; return only common_ann.
2016 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2019 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2021 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2022 with_cpu by default.
2024 * dwarf2out.c (dwarf_file_data): New.
2025 (enum dw_val_class): Add dw_val_class_file.
2026 (struct dw_val_struct): Add val_file.
2027 (file_table): Change to a hash table.
2028 (file_table_emitted): Delete.
2029 (file_table_last_lookup_index): Delete.
2030 (emitcount): Delete.
2031 (last_emitted_file): New.
2032 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2033 (init_file_table): Delete.
2034 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2035 (AT_addr): Add comment.
2039 (print_die): Handle dw_val_class_file.
2040 (print_dwarf_line_table): Update for new file table structure.
2041 (attr_checksum): Do checksum a filename.
2042 (same_dw_val_p, same_attr_p): Do compare a filename.
2043 (size_of_die): Handle dw_val_class_file.
2044 (value_format): Likewise.
2045 (output_die): Likewise. Also, call maybe_emit_file here.
2046 (struct file_info): Constify filenames. Make file_idx a pointer
2047 to a struct dwarf_file_data.
2048 (struct dir_info): Constify directory names. Remove 'used' field.
2049 (struct file_name_acquire_data): New.
2050 (file_name_acquire): New.
2051 (output_file_names): Modify to handle new file data structures.
2052 (add_src_coords_attributes): Use add_AT_file.
2053 (add_call_src_coords_attributes): Likewise.
2054 (dwarf2out_imported_module_or_decl): Likewise.
2055 (gen_subprogram_die): Modify for new file data structures.
2056 (gen_variable_die): Likewise.
2057 (file_table_eq): New.
2058 (file_table_hash): New.
2059 (file_table_last_lookup): New.
2060 (lookup_filename): Rewrite to handle new file data structures.
2061 (maybe_emit_file): Rewrite to handle new file data structures.
2062 (dwarf2out_source_line): Always call lookup_filename and
2064 (dwarf2out_init): Create file_table here.
2065 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2066 (file_table_relative_p): New.
2067 (dwarf2out_finish): Change detection of relative filenames
2068 to work with new file data structures. Move output_line_info call
2069 after debug_info output.
2071 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2076 * config/i386/i386.c (override_options): Always default to 16
2077 byte stack boundary.
2079 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2082 * var-tracking.c (dump_dataflow_set): Start dumping at
2084 (clobber_variable_part): Kill only the variable part in
2085 registers holding it, leaving other variables alone.
2087 2006-09-11 Josh Triplett <josh@freedesktop.org>
2089 * doc/extend.texi (Other Builtins): Actually use the macro
2090 argument in the documentation example for
2091 __builtin_types_compatible_p.
2093 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2095 PR rtl-optimization/28726
2096 * sched-deps.c (sched_analyze_reg): New function extracted from...
2097 (sched_analyze_1): ...here. Call it to analyze references to
2098 registers. Treat again writes to a stack register as writing to the
2100 (sched_analyze_2): ...and here. Call it to analyze references to
2101 registers. Treat again reads of a stack register as reading the
2104 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2105 David Edelsohn <edelsohn@gnu.org>
2108 * config/rs6000/spe.md (frob_df_di): Remove %H.
2109 (frob_di_df): Remove %H. Change evmergelo to mr.
2110 (frob_di_df_2): Remove %H. Change evldd to two loads.
2112 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2114 * doc/cpp.texi: Fix names of charset options.
2116 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2119 * config/i386/i386.c (override_options): Use 128-bit
2120 stack boundary always for 64bits.
2122 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2124 PR rtl-optimization/28636
2125 * combine.c (force_to_mode): Test for side-effects before
2126 substituting by zero.
2127 (simplify_shift_const): Likewise for zero or other constants.
2129 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2132 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2135 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2138 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2139 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2140 returned by mode_for_size, rather than the mode of src itself,
2141 to choose between 32-bit and 64-bit patterns.
2142 (mips_mem_fits_mode_p): New function.
2143 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2144 that the size of the source matches the size of the destination.
2145 (mov_<store>l, mov_<store>r): Likewise.
2147 2006-09-10 Eric Christopher <echristo@apple.com>
2149 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2152 2006-09-09 Eric Christopher <echristo@apple.com>
2155 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2158 2006-09-09 Roger Sayle <roger@eyesopen.com>
2159 Nicolas Setton <setton@adacore.com>
2161 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2163 2006-09-10 Andreas Schwab <schwab@suse.de>
2165 * config/m68k/m68k.md (bungt_rev): New pattern.
2167 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2168 Dale Johannesen <dalej@apple.com>
2171 * regclass.c (struct reg_pref): Update documentation.
2172 (regclass): Set prefclass to NO_REGS if memory is the best option.
2173 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2175 2006-09-08 Eric Christopher <echristo@apple.com>
2177 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2178 * config/t-slibgcc-darwin: Support x86_64 multilib.
2179 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2180 Return 1 for x86_64-darwin.
2181 * config/i386/t-darwin: Add m64 multilib.
2182 (LIB2_SIDITI_CONV_FUNCS): Use.
2183 (LIB2FUNCS_EXTRA): Ditto.
2184 * config/i386/darwin.h: Support x86_64.
2185 * config/i386/i386.c (override_options): Turn on flag_pic
2186 for x86_64-darwin. Disable flag_omit_pointer.
2187 (get_pc_thunk_name): Assert !TARGET_64BIT.
2188 (legitimate_address_p): Disable machopic addressing for
2190 (legitimize_pic_address): Ditto.
2191 (ix86_expand_move): Ditto.
2192 (ix86_expand_call): Ditto.
2193 (machopic_output_stub): Ditto.
2194 * config/darwin.c (machopic_select_section): Support literal16.
2195 (machopic_select_rtx_section): Ditto.
2196 * config/darwin-sections.def: Ditto.
2197 * config/darwin-64.c: New.
2199 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2202 * c-tree.h (struct c_arg_info): Add pending_sizes.
2203 * c-parser.c (c_parser_parms_declarator,
2204 c_parser_parms_list_declarator): Initialize pending_sizes.
2205 * c-decl.c (get_parm_info): Initialize pending_sizes.
2206 (get_parm_info): Set pending_sizes.
2207 (grokdeclarator): Call put_pending_sizes for parameters for
2208 function definition only.
2210 2006-09-07 Jason Merrill <jason@redhat.com>
2213 * varasm.c (output_constant): Only strip actual no-op conversions.
2216 * config/i386/i386.c (override_options): Use 128-bit
2217 stack boundary if -msse.
2219 2006-09-07 Eric Christopher <echristo@apple.com>
2221 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2223 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2226 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2228 * dwarf2out.c: Remove strange characters from comment above
2229 dwarf2out_frame_debug_expr.
2231 2006-09-07 Eric Christopher <echristo@apple.com>
2233 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2234 * config/darwin.h: ... to here.
2236 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2238 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2240 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2241 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2243 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2244 TARGET_PARTIAL_FLAG_REG_STALL.
2245 (*ashldi3_cconly_rex64): Likewise.
2246 (*ashlsi3_cmp): Likewise.
2247 (*ashlsi3_cconly): Likewise.
2248 (*ashlsi3_cmp_zext): Likewise.
2249 (*ashlhi3_cmp): Likewise.
2250 (*ashlhi3_cconly): Likewise.
2251 (*ashlqi3_cmp): Likewise.
2252 (*ashlqi3_cconly): Likewise.
2253 (*ashrdi3_cmp_rex64): Likewise.
2254 (*ashrdi3_cconly_rex64): Likewise.
2255 (*ashrsi3_cmp): Likewise.
2256 (*ashrsi3_cconly): Likewise.
2257 (*ashrsi3_cmp_zext): Likewise.
2258 (*ashrhi3_cmp): Likewise.
2259 (*ashrhi3_cconly): Likewise.
2260 (*ashrqi3_cmp): Likewise.
2261 (*ashrqi3_cconly): Likewise.
2262 (*lshrdi3_cmp_rex64): Likewise.
2263 (*lshrdi3_cconly_rex64): Likewise.
2264 (*lshrsi3_cmp): Likewise.
2265 (*lshrsi3_cconly): Likewise.
2266 (*lshrsi3_cmp_zext): Likewise.
2267 (*lshrhi3_cmp): Likewise.
2268 (*lshrhi3_cconly): Likewise.
2269 (*lshrqi2_cmp): Likewise.
2270 (*lshrqi2_cconly): Likewise.
2272 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2275 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2276 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2277 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2278 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2279 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2280 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2281 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2282 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2283 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2284 implement only CC setting effects of shift instructions.
2286 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2288 * doc/contrib.texi: Add myself.
2290 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2293 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2294 was set by the user.
2296 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2299 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2300 (divsi_inv_m1): Use them.
2301 (UNSPEC_DIV_INV_TABLE): New constant.
2303 2006-09-06 James E Wilson <wilson@specifix.com>
2306 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2307 then call count_or_remove_death_notes.
2309 2006-09-06 Jason Merrill <jason@redhat.com>
2312 * tree-inline.c (copy_result_decl_to_var): New fn.
2313 (declare_return_variable): Use it. Call declare_inline_vars here.
2314 (expand_call_inline): Not here.
2316 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2318 * doc/contrib.texi: Update my entry.
2320 2006-09-06 Nick Clifton <nickc@redhat.com>
2322 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2324 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2327 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2328 (canonicalize_induction_variables): Likewise.
2329 (tree_unroll_loops_completely): Likewise.
2330 (tree_ssa_prefetch_arrays): Likewise.
2331 (remove_empty_loops): Likewise.
2332 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2333 TODO_cleanup_cfg instead of directly calling
2334 cleanup_tree_cfg_loop.
2335 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2337 (tree_unroll_loops_completely): Likewise.
2338 (remove_empty_loops): Likewise.
2339 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2340 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2341 of tree_ssa_unswitch_loops.
2342 (tree_ssa_loop_ivcanon): Use the return value of
2343 canonicalize_induction_variables.
2344 (tree_ssa_empty_loop): Use the return value of
2346 (tree_complete_unroll): Use the return value of
2347 tree_unroll_loops_completely.
2348 (tree_ssa_loop_prefetch): Use the return value of
2349 tree_ssa_prefetch_arrays.
2350 * passes.c (execute_todo): Before Cleanup CFG, set
2351 updating_used_alone and after cleanup CFG, call
2352 recalculate_used_alone.
2354 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2357 * tree-vect-transform.c (vectorizable_condition): Move the check
2358 for the type after the check for simple condition.
2360 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2361 Kaz Kojima <kkojima@gcc.gnu.org>
2364 * mode-switching.c (optimize_mode_switching): Make the destination
2365 block of an abnormal edge have no anticipatable mode. Don't
2366 insert mode switching code at the end of the source block of
2369 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2371 PR rtl-optimization/26847
2372 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2373 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2374 (simplify_plus_minus): Count n_constants while filling ops. Replace
2375 qsort with insertion sort. Before going through the array to simplify
2376 pairs, sort it. Delay early exit until after the first sort, exiting
2377 only if no swaps occurred. Simplify pairs in reversed order, without
2378 special-casing the first iteration. Pack ops after simplifying pairs.
2380 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2382 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2383 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2384 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2385 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2387 2006-09-05 Richard Guenther <rguenther@suse.de>
2389 PR tree-optimization/28900
2390 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2391 compound conditional before creating COND_EXPR condition.
2393 2006-09-05 Richard Guenther <rguenther@suse.de>
2395 PR tree-optimization/28905
2396 * tree-vrp.c (fix_equivalence_set): Manually implement
2397 !value_ranges_intersect_p to also handle symbolic ranges.
2399 2006-09-05 Richard Guenther <rguenther@suse.de>
2402 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2405 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2407 PR rtl-optimization/27616
2408 * cse.c (table_size): New static variable.
2409 (new_basic_block): Initialize it to 0.
2410 (remove_from_table): Decrement it.
2411 (insert): Increment it.
2412 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2413 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2414 fold_rtx_mem_1 if under the cap.
2415 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2416 the lookup of the equivalent expression and test for equality of the
2417 first operand of the equivalent expression before in turn looking up
2418 an equivalent constant for the second operand.
2420 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2423 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2424 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2425 pointer, instead of assuming it is possible to derive the
2426 correct args size from a call insn.
2428 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2431 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2432 (fold_builtin_mempcpy): Rename to...
2433 (fold_builtin_memory_op): ... this. Optimize one element copy
2435 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2437 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2438 (expand_builtin_memcpy, expand_builtin_mempcpy,
2439 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2440 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2441 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2442 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2444 2006-09-01 DJ Delorie <dj@redhat.com>
2446 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2447 (stzx_16): Likewise.
2448 ("stzx_24_<mode>"): Likewise.
2449 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2450 ("cmp<mode>_op"): New.
2451 (cmp<mode>): Change to expander; just save operands.
2453 (b<code>): Change to expander, emit compare here.
2454 (s<code>_op): Change to use split and expander.
2455 (s<code>_24_op): Likewise.
2456 (s<code>_<mode>): New.
2457 (s<code>_<mode>_24): New.
2458 (movqicc_<code>_<mode): New.
2459 (movhicc_<code>_<mode>): New.
2462 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2463 (m32c_pend_compare): New.
2464 (m32c_unpend_compare): New.
2465 (m32c_expand_scc): New.
2466 (m32c_expand_movcc): Emit the compare also.
2467 * config/m32c/predicates.md (mra_nopp_operand): New.
2469 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2470 Richard Guenther <rguenther@suse.de>
2471 Adam Nemet <anemet@caviumnetworks.com>
2474 * builtins.c (get_pointer_alignment): Handle more forms
2475 of base addresses that can be used to derive more precise
2476 information about alignment.
2478 2006-09-01 Jason Merrill <jason@redhat.com>
2481 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2484 * gimplify.c (voidify_wrapper_expr): Handle null type.
2486 2006-09-01 Josh Conner <jconner@apple.com>
2489 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2490 (execute_return_slot_opt): Use it.
2492 2006-08-31 Josh Conner <jconner@apple.com>
2495 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2496 returning aggregates.
2498 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2500 PR tree-optimization/28839
2501 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2502 blocks in that phi arguments appear.
2504 2006-08-31 Roger Sayle <roger@eyesopen.com>
2507 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2508 NULL, otherwise use an advance_loc4 to adjust relative to the
2510 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2511 (dwarf2out_switch_text_section): Reset the current label to avoid
2512 using advance_loc4 over section boundaries.
2514 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2517 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2518 r12 + SYMBOLIC_CONST.
2520 2006-08-30 Richard Guenther <rguenther@suse.de>
2522 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2524 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2526 PR rtl-optimization/27735
2527 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2528 Add new argument to keep track of whether an irreducible region
2529 was affected. All callers changed.
2530 (fix_irreducible_loops): Removed.
2531 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2532 flags were invalidated.
2534 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2536 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2537 instead of SF operands.
2538 (*fop_df_comm_sse): Likewise.
2539 (*fop_df_comm_i387): Likewise.
2540 (*fop_df_1_mixed): Likewise.
2541 (*fop_df_1_sse): Likewise.
2543 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2544 J"orn Rennecke <joern.rennecke@st.com>
2546 PR tree-optimization/17506
2547 * tree-ssa.c (warn_uninit): If warning about a location outside of
2548 the current function, note where the variable was declared.
2550 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2552 PR tree-optimization/28411
2553 * double-int.c (double_int_div): Use double_int_divmod.
2554 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2555 double_int_mod, double_int_smod, double_int_umod): New functions.
2556 * double-int.h (double_int_divmod, double_int_sdivmod,
2557 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2559 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2561 (get_computation_aff, get_computation_cost_at): Handle double_int
2562 return type of constant_multiple_of.
2564 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2567 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2568 an implicit conversion.
2570 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2572 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2574 2006-08-27 Roger Sayle <roger@eyesopen.com>
2576 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2579 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2581 * config/i386/crtfastmath.c: Fix a comment typo.
2583 2006-08-26 Roger Sayle <roger@eyesopen.com>
2585 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2586 temporary visit flags on CASE_LABEL_EXPRs.
2587 * c-common.c (match_case_to_enum): Add function comment. Avoid
2588 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2589 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2590 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2591 a constant, only warn if that constant value isn't handled.
2593 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2596 * input.h (restore_input_file_stack): Declare.
2597 (INPUT_FILE_STACK_BITS): Define.
2598 * toplev.c (fs_p, input_file_stack_history,
2599 input_file_stack_restored, restore_input_file_stack): New.
2600 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2601 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2602 (pop_srcloc): Don't free old state of stack.
2604 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2607 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2608 (PowerPC Type Attributes): New.
2610 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2612 * config/xtensa/xtensa.c (function_arg_boundary): New.
2613 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2615 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2616 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2618 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2621 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2624 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2626 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2627 (verify_local_live_at_start): Likewise.
2629 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2632 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2633 omp_add_variable): Treat sizes as variable whenever not
2636 2006-08-26 Richard Guenther <rguenther@suse.de>
2639 * fold-const.c (fold_binary): Fold temporary to correct
2640 type before constructing new comparison.
2642 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2645 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2646 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2648 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2651 * c-decl.c (start_function): Don't try to process prototype
2652 information from old declaration that isn't a function.
2654 2006-08-25 Jan Hubicka <jh@suse.cz>
2657 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2659 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2662 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2665 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2667 PR tree-optimization/16876
2668 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2669 exit if PARM doesn't match VALUE.
2671 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2673 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2674 literal_prefix directive.
2675 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2676 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2677 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2679 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2682 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2683 predicate to general_operand. Add 0->y and I->r alternatives.
2685 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2687 * doc/tm.texi: Fix a typo.
2688 * predict.c: Fix comment typos.
2690 2006-08-25 Nick Clifton <nickc@redhat.com>
2692 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2693 assertions of "cpu" and "machine".
2695 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2698 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2699 the access through a base which has an alias set of 0 cannot
2702 2006-08-24 Bill Wendling <wendling@apple.com>
2704 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2706 2006-08-24 Jan Hubicka <jh@suse.cz>
2708 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2710 2006-08-24 Jan Hubicka <jh@suse.cz>
2713 * cgraph.c: Fix comments.
2714 (cgraph_varpool_mark_needed_node): Mark only variables not already
2716 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2717 (cgraph_varpool_assembled_nodes_queue): New static variable.
2718 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2719 (cgraph_varpool_output_debug_info): New function.
2720 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2721 * Makefile.in: Add gt-cgraphunit.h
2723 2006-08-24 Jan Hubicka <jh@suse.cz>
2725 * predict.c (probability_reliable_p): New predicate.
2726 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2727 (predict_loops): Do not predict loop exit with less than 2%
2729 * basic-block.h (edge_probability_reliable_p,
2730 br_prob_note_reliable_p): Declare.
2731 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2732 prediction when static predictor is not reliable.
2733 * rs6000.c (output_cbranch): Likewise.
2735 2006-08-23 Stuart Hastings <stuart@apple.com>
2738 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2739 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2741 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2744 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2745 complex values, nor for generic vector values.
2747 2006-08-22 Richard Guenther <rguenther@suse.de>
2750 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2751 parameter. Convert arguments to arithmetic expression to the
2753 (analyze_scalar_evolution_1): Adjust caller.
2755 2006-08-22 Jan Hubicka <jh@suse.cz>
2757 Patch by Paolo Bonzini
2758 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2761 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2763 PR tree-optimization/28003
2764 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2765 before grouping aliases.
2767 2006-08-22 Roger Sayle <roger@eyesopen.com>
2769 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2770 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2772 2006-08-21 Jason Merrill <jason@redhat.com>
2775 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2776 wrapper. Loop to handle nested wrappers.
2777 (gimplify_bind_expr): Remove temp parameter.
2778 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2779 and STATEMENT_LIST on the rhs.
2780 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2781 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2782 (gimplify_target_expr): Remove special BIND_EXPR handling.
2784 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2786 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2789 2006-08-21 Olivier Hainque <hainque@adacore.com>
2791 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2792 Arrange for the temporary captures of components overlapping the lhs
2793 to happen before the lhs is possibly cleared.
2795 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2797 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2798 necessary places to pass the correct "number of registers" values
2801 2006-08-20 Jan Hubicka <jh@suse.cz>
2803 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2804 (create_name_tags): Instead of quadratic checking use hashtable.
2805 * bitmap.h: Include hashtab.h.
2806 (bitmap_hash): Declare.
2807 * bitmap.c (bitmap_hash): New function.
2809 2006-08-20 Jan Hubicka <jh@suse.cz>
2811 PR rtl-optimization/28071
2812 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2814 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2815 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2816 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2817 cgraph_decide_inlining_incrementally): Update use of
2818 cgraph_check_inline_limits.
2819 * cgraph.c (edge_hash, edge_eq): New function.
2820 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2821 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2822 cgraph_remove_node): Maintain call site hash.
2823 * cgraph.h (struct cgraph_node): Add call_site_hash.
2824 (cgraph_set_call_stmt): New function.
2826 2006-08-20 Jan Hubicka <jh@suse.cz>
2828 PR rtl-optimization/28071
2829 * reload1.c (reg_has_output_reload): Turn into regset.
2830 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2831 choose_reload_regs, emit_reload_insns): Update to new
2832 reg_has_output_reload.
2834 2006-08-20 Jan Hubicka <jh@suse.cz>
2837 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2838 function body sizes.
2839 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2841 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2844 * tree.c (handle_dll_attribute): Return early if not a
2845 var or function decl.
2847 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2850 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2851 alignment of SPE vector types.
2853 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2855 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2857 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2860 * cgraph.h (struct cgraph_node): Remove externally_visible
2862 * cgraphunit.c (process_function_and_variable_attributes): Set
2863 local.externally_visible rather than externally_visible.
2866 * c-common.c (handle_externally_visible_attribute): First look
2867 at TREE_CODE and only if it is function or var decl, check for
2868 non-public objects. Don't warn for DECL_EXTERNAL.
2869 * cgraphunit.c (process_function_and_variable_attributes): Warn
2870 if externally_visible attribute is used on non-public object.
2872 2006-08-17 Jan Hubicka <jh@suse.cz>
2874 PR tree-optimization/27865
2875 * reload1.c (forget_marked_reloads): New function.
2876 (forget_old_reloads_1): When data are passed, just mark the registers
2878 (reload_as_needed): Use the new mechanizm.
2880 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2883 * reload.h (reg_equiv_alt_mem_list): New declaration.
2884 * reload1.c (reg_equiv_alt_mem_list): New definition.
2885 (reload): Initialize it and release it.
2886 (delete_output_reload): Use it.
2887 * reload.c (push_reg_equiv_alt_mem): New function.
2888 (find_reloads_toplev): Call it.
2889 (find_reloads_address, find_reloads_address_1): Likewise.
2890 (find_reloads_subreg_address): Likewise.
2892 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2894 PR rtl-optimization/28489
2895 * sched-ebb.c (begin_schedule_ready): Create basic block
2897 (advance_target_bb): Skip empty blocks.
2898 * haifa-sched.c (bb_note): Make global.
2899 * sched-int.h (bb_note): Add prototype.
2901 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2903 PR tree-optimization/27865
2904 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2906 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2907 fold_used_pointer, pointer_used_p): New functions.
2908 (analyze_scalar_evolution_1): Use fold_used_pointer.
2909 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2910 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2913 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2916 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2917 or the INTEGER_CST. Fail on a CALL_EXPR.
2918 (fold_offsetof): Pass new argument to fold_offsetof_1.
2919 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2920 operand into an INDIRECT_REF.
2921 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2923 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2925 PR gcov/profile/26570
2926 * value-prof.c (static_values): Removed.
2927 (tree_find_values_to_profile): Do not set static_values.
2928 (find_values_to_profile): Do not free static_values.
2929 * profile.c (instrument_values): Do not free the values.
2930 (branch_prob): Free the values.
2932 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2934 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2936 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2939 * c-typeck.c (build_component_ref): Combine qualifiers of
2940 structure or union and field.
2942 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2944 PR rtl-optimization/28071
2945 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2946 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2947 * tree-into-ssa.c (struct dom_dfsnum): New.
2948 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2950 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2951 compute_global_livein.
2952 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2953 in phi nodes in the correct blocks.
2955 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2957 PR tree-optimization/28364
2958 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2960 (fold_affine_expr): New function.
2961 (may_eliminate_iv): Use fold_affine_expr.
2963 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2966 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2969 2006-08-16 Mike Stump <mrs@apple.com>
2971 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2972 * doc/cppopts.texi (-MD): Likewise.
2974 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2977 * c-common.c (handle_weak_attribute): Ignore and warn if
2978 not a FUNCTION_ or VAR_DECL.
2980 2006-07-15 Mike Stump <mrs@apple.com>
2983 * c-parser.c (c_parser_typeof_specifier): Don't use
2984 c_finish_expr_stmt, open code desired semantics instead.
2986 2006-08-15 Nick Clifton <nickc@redhat.com>
2988 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2989 fragment to tmake_file only if threads are enabled.
2990 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2991 * config/i386/t-gthr-win32: New file. ... here.
2993 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2996 * c-parser.c (c_parser_compound_statement_nostart): Reset
2997 parser->error after each statement.
2999 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3002 * omp-low.c (lower_omp_parallel): Convert t to
3003 receiver_decl's type.
3004 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3005 source before comparison.
3008 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3009 to itype in assignment to oldival2.
3011 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3015 * c-typeck.c (build_compound_expr): If the second expression
3016 is an error mark, then just return an error mark instead of
3017 creating a COMPOUND_EXPR.
3019 2006-07-14 Mike Stump <mrs@apple.com>
3021 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3023 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3025 * c-decl.c, var-tracking.c: Fix comment typos.
3027 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3029 PR rtl-optimization/28634
3030 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3031 for floating-point modes unless flag_unsafe_math_optimizations.
3033 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3034 Andrew Pinski <pinskia@physics.uc.edu>
3037 * tree.c (build_array_type): Unify array types with
3038 unspecified index_type.
3039 * c-decl.c (grokdeclarator): Make sure we do not modify a
3040 unified incomplete array type.
3041 * c-typeck.c (store_init_value): Create distinct type before
3042 filling in the index type in an initializer from a compound
3045 * c-decl.c (grokdeclarator): Remove code where we copy the
3048 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3050 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3051 into account for TODO_dump_cgraph.
3052 (TODO_update_ssa_no_phi): Likewise.
3053 (TODO_update_ssa_full_phi): Likewise.
3054 (TODO_update_ssa_only_virtuals): Likewise.
3055 (TODO_remove_unused_locals): Likewise.
3056 (TODO_set_props): Likewise.
3057 (TODO_update_stmt_usage): Likewise.
3059 2006-08-13 Dirk Mueller <dmueller@suse.de>
3061 * c-common.c (strict_aliasing_warning): Fix formatting.
3063 2006-08-13 Matthias Klose <doko@debian.org>
3065 * doc/invoke.texi: Fix spelling errors.
3067 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3069 PR rtl-optimization/23454
3070 * reorg.c (relax_delay_slots): Update comment.
3072 2006-08-11 Richard Guenther <rguenther@suse.de>
3075 * simplify-rtx.c (simplify_const_relational_operation):
3076 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3079 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3081 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3082 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3084 2006-08-10 Paul Brook <paul@codesourcery.com>
3086 * final.c (final_scan_insn): Clear current_insn_predicate before
3087 outputting inline asm.
3089 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3091 PR tree-optimization/26197
3092 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3093 get_ref_base_and_extent and overlap_subvar to add only relevant
3094 subvars as may-aliases.
3095 (add_may_alias_for_new_tag): New function, factored out of
3097 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3098 with additional argument.
3099 * tree-flow.h (new_type_alias): Takes additional argument.
3101 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3103 * gcov.c (no_data_file): New flag.
3104 (read_count_file): Set it if data file not present. Assume counts
3106 (output_lines): Don't name the data file, if there wasn't one.
3108 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3110 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3111 (rs6000_generate_compare): Tweak comments.
3112 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3114 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3116 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3117 (var_debug_decl): New function.
3118 (var_reg_set): Follow debug decl link. Add location even if
3119 reg is already known to hold some other variable.
3120 (var_mem_set): Follow debug decl link.
3121 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3122 decl link. Delete other known locations of the variable part
3124 (var_reg_delete, var_mem_delete): Delete other known locations
3125 of the variable part if requested.
3126 (same_variable_part_p): New function.
3127 (add_stores): Select MO_COPY when appropriate.
3128 (vt_initialize): Handle it.
3129 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3130 known locations for MO_SET and MO_CLOBBER.
3131 (find_variable_location_part): New function.
3132 (set_variable_part, delete_variable_part): Use it.
3133 (clobber_variable_part): New function.
3134 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3137 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3139 PR tree-optimization/26969
3140 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3141 with an empty list of PHIs.
3143 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3147 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3150 2006-08-06 Andreas Schwab <schwab@suse.de>
3152 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3153 string. Whitespace and comment fixup.
3155 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3158 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3162 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3165 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3167 2006-08-04 Jan Hubicka <jh@suse.cz>
3171 * reload.c (push_reload): Patch out the mismatching instruction;
3173 (find_reload): Bail out if the instruction was patched out.
3175 2006-08-04 Jan Hubicka <jh@suse.cz>
3177 PR tree-optimization/24888
3178 * tree-inline.c (expand_call_inline): Do not re-record variables.
3179 (declare_inline_vars): Add variable to unexpanded_var_list.
3181 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3182 Roger Sayle <roger@eyesopen.com>
3184 PR rtl-optimization/26244
3185 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3186 inner_const are negative or greater than or equal to the bitsize of
3187 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3188 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3189 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3190 CONST0_RTX (mode) when the new shift count is greater than or equal to
3191 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3194 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3196 * tree-cfg.c: Fix a comment typo.
3198 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3201 * varasm.c (output_constant): Give the front end another chance to
3202 expand constants, after stripping NOPs.
3204 2006-08-03 Jan Hubicka <jh@suse.cz>
3206 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3209 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3211 PR tree-optimization/27770
3212 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3213 declaration removed (moved to tree-flow.h).
3214 (vect_can_force_dr_alignment_p): Likewise.
3215 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3216 (moved from tree-vectorizer.h).
3217 (vect_can_force_dr_alignment_p): Likewise.
3218 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3219 from outside the vectorizer - in particular from cgraph stage.
3220 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3221 the alignment of global arrays when -fsection-anchors is enabled.
3222 * cgraphunit.c (cgraph_increase_alignment): New function.
3223 (cgraph_optimize): Call cgraph_increase_alignment.
3225 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3228 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3229 not reload a SPE symbol_ref into a lo_sum address.
3231 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3234 * dwarf2out.c (prune_unused_types_prune): Move call to
3235 prune_unused_types_update_strings to cover the parent DIE also.
3237 2006-08-02 Jan Hubicka <jh@suse.cz>
3239 PR gcov/profile/28480
3240 * tree-cfg.c (change_bb_for_stmt): New function.
3241 (tree_merge_blocks, tree_split_blocks): Use it.
3243 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3249 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3250 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3251 (cgraph_optimize): Likewise.
3253 2006-08-01 Stuart Hastings <stuart@apple.com>
3255 * rtl.h (UINTVAL) New.
3256 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3257 * testsuite/gcc.dg/20060801-1.c: New.
3259 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3262 * c-typeck.c (build_external_type): Mark used enum types.
3263 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3265 (gen_subprogram_die): Whitespace fix.
3267 2006-08-01 Jan Hubicka <jh@suse.cz>
3269 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3270 bitmap when not needed.
3271 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3274 2006-08-01 Dirk Mueller <dmueller@suse.de>
3276 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3278 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3280 * Makefile.in: Revert part of previous patch:
3281 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3284 2006-07-30 Eric Christopher <echristo@apple.com>
3287 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3288 (PowerPC Variable Attributes): New section.
3290 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3292 PR target/28126 (partial fix)
3293 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3295 2006-07-28 Jan Hubicka <jh@suse.cz>
3297 PR rtl-optimization/28071
3298 * cfgrtl.c (rtl_delete_block): Free regsets.
3299 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3301 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3303 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3304 and variables used in dependencies.
3306 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3308 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3309 %fs for -mcmodel=kernel.
3310 (stack_tls_protect_test_di): Likewise.
3312 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3314 * Makefile.in: Use mkinstalldirs.
3316 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3319 * opts-common.c (prune_options): Skip joined switches.
3321 2006-07-27 Jan Hubicka <jh@suse.cz>
3323 PR rtl-optimization/28071
3324 * cselib.c (cselib_process_insn): Don't remove useless values too
3325 often for very large hashtables.
3327 2006-07-27 Jan Hubicka <jh@suse.cz>
3329 PR rtl-optimization/28071
3330 * global.c (greg_obstack): New obstack.
3331 (allocate_bb_info): Use it.
3332 (free_bb_info): Likewise.
3333 (modify_reg_pav): Likewise.
3335 2006-07-27 Roger Sayle <roger@eyesopen.com>
3337 * builtins.c (fold_fixed_mathfn): When long and long long are the
3338 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3339 functions to their lceil*, lfloor*, lround* and lrint* forms.
3341 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3344 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3346 (rev_branch_insn): Likewise.
3348 2006-07-27 Jan Hubicka <jh@suse.cz>
3350 PR rtl-optimization/28071
3351 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3352 (reg_set_in_bb, max_reg_computed): New static variables.
3353 (regmove_optimize): Free the new array.
3354 (fixup_match_1): Update call of reg_is_remote_constant_p.
3356 2006-07-26 Jan Hubicka <jh@suse.cz>
3358 PR tree-optimization/27882
3359 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3361 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3363 (cgraph_analyze_compilation_unit): Likewise.
3364 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3365 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3366 (cgraph_early_inlinine): Make order garbage collected.
3367 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3369 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3371 * dbxout.c (output_types_sort): Add a comment.
3372 (output_used_types): Free the VEC.
3374 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3376 * function.c (reorder_fix_fragments): Delete.
3377 (reorder_blocks): Don't call it.
3378 (reorder_blocks_1): Put all subblocks under the origin block.
3380 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3382 PR rtl-optimization/27907
3383 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3386 2006-07-25 Roger Sayle <roger@eyesopen.com>
3389 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3390 bar(x) check that bar's result type can represent all the values of T.
3392 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3394 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3396 2006-07-25 Nick Clifton <nickc@redhat.com>
3398 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3399 size_lookup[] array.
3400 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3401 (ggc_pch_count_object): Likewise.
3402 (ggc_pch_alloc_object): Likewise.
3403 (ggc_pch_write_object): Likewise.
3404 (init_ggc): Do not attempt to initialize entries in the
3405 size_lookup[] array for objects whose size is greater than than
3406 the length of the array.
3408 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3410 * dbxout.c (output_used_types_helper): Push queued types
3412 (output_types_sort): New.
3413 (output_used_types): Collect used types on a VEC and sort them
3416 2006-07-24 Richard Guenther <rguenther@suse.de>
3419 * cgraph.c (cgraph_remove_node): Do not check if dumps
3421 * cgraphunit.c (cgraph_optimize): Likewise.
3423 2006-07-24 Jan Hubicka <jh@suse.cz>
3425 PR rtl-optimization/28071
3426 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3427 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3428 splitting before first stmt.
3430 2006-07-24 Jan Hubicka <jh@suse.cz>
3432 PR rtl-optimization/28071
3433 * ipa-inline.c (update_caller_keys): Remove edges that
3434 are no longer inline candidates.
3436 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3439 * dbxout.c (output_used_types_helper, output_used_types): New.
3440 (dbxout_symbol): Call output_used_types.
3442 2006-07-23 Jan Hubicka <jh@suse.cz>
3446 * cgraph.c (cgraph_varpool_nodes): Export.
3447 (decide_is_variable_needed): Ignored "used" attribute in
3448 unit-at-a-time mode.
3449 * cgraph.h (cgraph_varpool_nodes): Declare.
3450 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3451 unit-at-a-time mode.
3453 2006-07-23 Roger Sayle <roger@eyesopen.com>
3456 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3457 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3458 the __gthrw form of thr_keycreate.
3459 (__gthread_key_delete): Silence the unused argument warning.
3461 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3464 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3465 Cache the last found '\0' marker to avoid quadratic behavior.
3467 2006-07-23 Jan Hubicka <jh@suse.cz>
3469 * i386.md (subsi_3_zext): Fix output template.
3471 2006-07-21 Mike Stump <mrs@apple.com>
3473 * doc/invoke.texi (C++ Dialect Options): Note that
3474 -fvisibility-inlines-hidden doesn't affect explicitly
3475 instantiationed inline methods.
3477 2006-07-20 Roger Sayle <roger@eyesopen.com>
3479 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3480 if the target assembler is GNU binutils' gas.
3481 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3482 whether to pass GNU gas or native as command line options.
3484 2006-07-20 Jason Merrill <jason@redhat.com>
3486 * tree.c (remove_attribute): New fn.
3487 * tree.h: Declare it.
3489 2006-07-20 Paul Brook <paul@codesourcery.com>
3492 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3493 they are invalidated by this instruction.
3495 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3498 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3500 2006-07-20 Eric Christopher <echristo@apple.com>
3503 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3505 2006-07-19 Eric Christopher <echristo@apple.com>
3507 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3508 Rewrite dependencies for libgcc_s.1.dylib.
3510 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3512 * except.c (duplicate_eh_regions_1): Clear next_peer.
3514 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3516 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3517 -mlongcall does not guarantee all calls will be long.
3518 * doc/extend.texi (long_call/short_call): Document that longcall
3519 does not guarantee a long call will be used.
3520 (longcall/shortcall): Likewise.
3522 2006-07-18 Roger Sayle <roger@eyesopen.com>
3525 * expmed.c (expand_shift): Additionally check that the shift_cost
3526 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3527 before implementing a LSHIFT_EXPR as a sequence of additions.
3528 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3529 middle-end that DImode shifts need to be synthesized by expand.
3531 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3534 * tree-ssa-operands.c (access_can_touch_variable): Update
3536 Return true if ALIAS is .GLOBAL_VAR.
3538 2006-07-18 David Daney <ddaney@avtrex.com>
3540 * gcc.c (display_help): Fix typo in help text.
3542 2006-07-18 Olivier Hainque <hainque@adacore.com>
3544 * tree.h (categorize_ctor_elements): Adjust prototype and add
3545 descriptive comment, both in accordance with the interface change
3547 * varasm.c (constructor_static_from_elts_p): New function.
3548 Whether a constructor node is a valid static constant initializer
3549 if all its elements are.
3550 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3551 * output.h: Declare it.
3552 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3553 is a valid constant initializer instead of computing the number of
3554 non-constant elements. Use constructor_static_from_elts_p for this
3555 purpose. Replace the head comment with an indication that this is a
3556 helper for categorize_ctor_elements.
3557 (categorize_ctor_elements): Same interface change as for the _1
3558 helper. Former head comment from this helper moved here, adjusted to
3559 account for the interface changes.
3560 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3561 (all_zeros_p): Likewise.
3562 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3563 static versions of the constructor from the categorize_ctor_elements
3564 return value instead of the formerly computed number of non-constant
3567 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3569 * configure: Regenerate.
3570 * Makefile.in (build_libsubdir): New configure substitution
3571 (build_libobjdir): New variable.
3572 (BUILD_LIBIBERTY): Use it.
3574 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3577 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3579 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3582 * c-common.c (handle_weakref_attribute): Ignore attribute in
3583 the same conditions the alias attribute is ignored.
3585 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3587 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3588 (dbxout_begin_prologue): Increment scope_labelno.
3590 2006-07-17 Richard Henderson <rth@redhat.com>
3593 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3596 2006-07-17 Roger Sayle <roger@eyesopen.com>
3597 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3599 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3600 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3601 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3602 functions such as sbrk, write, etc.. Add function prototypes.
3603 Convert function declarations from K&R to ISO C. Cast pointers
3604 to "long" and "unsigned long" instead of "int" and "unsigned int".
3605 Convert tokens following #endif into comments.
3607 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3609 * invoke.texi: Remove mention of f77; Reformat table for
3610 inline parameter options correctly; mention that -malign-double
3611 is default on x86-64 targets.
3613 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3615 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3616 (convert_affine_scev, chrec_convert_aggressive): Use
3617 avoid_arithmetics_in_type_p. Do not check for the subtypes
3620 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3623 * optabs.c (expand_doubleword_shift): Wrap the call to
3624 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3626 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3629 * optabs.c (expand_binop): Pass next_methods rather than methods
3630 to expand_doubleword_shift.
3632 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3635 * tree.h (dump_addr): Declare.
3636 * print-tree.c (dump_addr): New function.
3637 (print_node_brief, print_node): Use it.
3638 * print-rtl.c (print_rtx): Likewise.
3639 * common.opt (-fdump-noaddr): New option.
3640 * doc/invoke.texi (-fdump-noaddr): Document.
3641 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3642 (ve_info_hash): Likewise.
3644 2006-07-13 Andrew Haley <aph@redhat.com>
3646 PR tree-optimization/19505
3647 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3648 edge leaving this block, make sure that the destination of this
3649 block has only one predecessor.
3651 2006-07-17 Richard Guenther <rguenther@suse.de>
3653 PR tree-optimization/28238
3654 * tree-inline.c (copy_bb): Check if we produced valid
3655 gimple copying and substituting a stmt. If not, gimplify
3658 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3660 * optabs.c (maybe_encapsulate_block): New function extracted from...
3661 (emit_libcall_block): ...here. Invoke it on the block of insns to
3662 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3663 (emit_no_conflict_block): Likewise.
3665 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3667 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3669 2006-07-15 Roger Sayle <roger@eyesopen.com>
3671 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3672 a new NOP_EXPR case of the switch statement.
3674 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3677 * stor-layout.c (place_field): Take the bit field with
3678 an excessive size into account in the ms-bitfiled case.
3681 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3682 the previous bit field.
3684 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3687 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3689 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3691 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3692 signal frames correctly even when the signal was installed with
3695 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3697 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3698 (dbxout_function_end): Use local label LFBB. Remove hook
3700 (dbxout_source_line): Use local label LFBB.
3701 (dbxout_block): Likewise.
3702 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3703 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3704 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3705 and DBX_OUTPUT_NFUN.
3707 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3709 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3711 2006-07-13 Jan Hubicka <jh@suse.cz>
3713 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3715 * output.h (align_variable): Declare.
3716 * varasm.c (align_variable): Export.
3717 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3718 when basic block changed.
3720 2006-07-13 Nick Clifton <nickc@redhat.com>
3722 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3723 walking the LOG_LINKS chain.
3725 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3727 * doc/invoke.texi (C++ Dialect Options): Explain difference
3728 between -fvisibility-inlines-hidden and setting hidden
3729 visibility explicitly.
3731 2006-07-12 Eric Christopher <echristo@apple.com>
3733 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3734 (stmp-lipo): Depend on libgcc.a.
3736 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3738 * tree.c: Fix a comment typo.
3740 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3742 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3744 (umulhisi3_r): Likewise.
3746 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3749 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3750 x < 19, vs wchar_t support.
3752 2006-07-12 Nick Clifton <nickc@redhat.com>
3754 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3755 instead of -isa=sh4.
3757 2006-07-12 Mike Stump <mrs@apple.com>
3759 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3761 2006-07-10 Eric Christopher <echristo@apple.com>
3763 * config/t-slibgcc-darwin: Rewrite.
3765 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3768 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3771 2006-07-08 Matthias Klose <doko@debian.org>
3773 * doc/sourcebuild.texi: Fix typo.
3775 2006-07-07 Mike Stump <mrs@apple.com>
3777 * toplev.c (process_options): Don't give -ffunction-sections may
3778 affect debugging warning for Mach-O.
3780 2006-07-07 James E Wilson <wilson@specifix.com>
3782 * config/mips/mips.md (cpu): Add sb1a.
3783 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3784 addition to sb1. Adjust comments to clarify SB-1A differences from
3786 (ir_sb1a_load): New. Modify bypasses to use it.
3787 (ir_sb1a_simple_alu): Likewise.
3788 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3789 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3790 (mips_issue_rate): Add PROCESSOR_SB1A.
3791 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3792 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3793 (TARGET_SB1): Add PROCESSOR_SB1A check.
3794 (TUNE_SB1): Likewise.
3796 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3797 * config/mips/mips.c (mips_store_data_bypass_p): New.
3798 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3799 store_data_bypass_p.
3801 2006-07-08 Paul Brook <paul@codesourcery.com>
3804 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3806 2006-07-07 Richard Guenther <rguenther@suse.de>
3809 * tree.h (build_one_cst): Declare.
3810 * tree.c (build_one_cst): New function.
3811 * tree-ssa-math-opts.c (get_constant_one): Remove.
3812 (insert_reciprocals): Use build_one_cst.
3813 * fold-const.c (fold_plusminus_mult): Likewise.
3815 2006-07-07 Roger Sayle <roger@eyesopen.com>
3817 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3818 * cfgloopanal.c (dump_graph): Likewise.
3819 * dojump.c (discard_pending_stack_adjust): Likewise.
3820 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3822 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3823 * function.c (finalize_block_changes): Likewise.
3824 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3825 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3826 * rtl.c (dump_rtx_statistics): Likewise.
3827 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3829 * varray.c (dump_varray_statistics): Likewise.
3830 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3831 decode_decimal64, encode_decimal128, decode_decimal128,
3832 decimal_real_to_decimal): Likewise.
3834 2006-07-07 Richard Guenther <rguenther@suse.de>
3836 PR tree-optimization/28187
3837 * tree-vrp.c (vrp_operand_equal_p): New function.
3838 (vrp_bitmap_equal_p): Likewise.
3839 (update_value_range): Use them to compare old and new
3842 2006-07-06 Roger Sayle <roger@eyesopen.com>
3844 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3845 a default case to switch statement to silence compiler warnings.
3847 2006-07-06 Roger Sayle <roger@eyesopen.com>
3850 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3851 the configured assembler supports the x87's ffreep mnemonic.
3852 * configure: Regenerate.
3853 * config.in: Regenerate.
3855 * config/i386/i386.c (output_387_ffreep): New function.
3856 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3857 (output_387_reg_move): Likewise.
3859 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3861 Port to hosts whose 'sort' and 'tail' implementations
3862 treat operands with leading '+' as file names, as POSIX
3863 has required since 2001. However, make sure the code still
3864 works on pre-POSIX hosts.
3865 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3866 which says you should use "tail -c +N" rather than "tail +Nc".
3867 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3869 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3871 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3874 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3877 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3878 PRE_{INC,DEC} of TFmode.
3880 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3881 Alan Modra <amodra@bigpond.net.au>
3884 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3887 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3890 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3891 Remove duplicate gtu.
3893 2006-07-05 Jason Merrill <jason@redhat.com>
3897 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3898 * c-common.c (handle_packed_attribute): So don't copy it here.
3899 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3901 2006-07-05 Mike Stump <mrs@apple.com>
3903 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3905 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3908 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3910 2006-07-05 Richard Guenther <rguenther@suse.de>
3913 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3914 TARGET_SSE2 targets if using SSE math.
3915 (*absdf2_1): Likewise.
3917 2006-07-05 Richard Guenther <rguenther@suse.de>
3919 PR tree-optimization/28162
3920 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3921 make sure to convert the operands to the correct type.
3923 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3925 PR tree-optimization/28218
3927 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3928 to calculate and free the dominator information.
3930 2006-07-04 Peter O'Gorman <peter@pogma.com>
3932 * mklibgcc.in: chmod 644 before ranlib during install.
3934 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3935 J"orn Rennecke <joern.rennecke@st.com>
3937 * configure.ac (.eh_frame data check): Use diff -b.
3939 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3942 * Makefile.in (BUILD_RTL): Add build/vec.o.
3943 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3944 (build/genextract): Delete.
3945 (build/genautomata): Likewise.
3947 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3950 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3951 128-bit IBM long doubles for ABI_V4.
3953 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3955 * tree.c (range_in_array_bounds_p): New predicate.
3956 * tree.h (range_in_array_bounds_p): Declare it.
3957 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3958 return a less conservative answer.
3959 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3960 and flag 'is_group'.
3961 (IS_ELEMENT_FOR_GROUP): New macro.
3962 (FOR_EACH_ACTUAL_CHILD): Likewise.
3963 (next_child_for_group): New helper function.
3964 (can_completely_scalarize_p): Take into account groups.
3965 (sra_hash_tree): Handle RANGE_EXPR.
3966 (sra_elt_eq): Likewise.
3967 (lookup_element): Be prepared for handling groups.
3968 (is_valid_const_index): Delete.
3969 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3970 instead of is_valid_const_index.
3971 <ARRAY_RANGE_REF>: New case.
3972 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3973 is_valid_const_index.
3974 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3975 (scan_dump): Dump info for groups too.
3976 (decide_instantiation_1): Likewise.
3977 (decide_block_copy): Assert that the element is not a group.
3978 Propagate decision to groups.
3979 (generate_one_element_ref): Handle RANGE_EXPR.
3980 (mark_no_warning): Iterate over actual childs.
3981 (generate_copy_inout): Likewise.
3982 (generate_element_copy): Likewise.
3983 (generate_element_zero): Likewise.
3984 (generate_element_init_1): Likewise.
3985 (dump_sra_elt_name): Handle RANGE_EXPR.
3987 2006-07-03 Roger Sayle <roger@eyesopen.com>
3989 PR tree-optimization/26251
3990 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3991 (thread_block): When optimizing for size refuse to thread jumps
3992 that would require duplication of blocks other than redirection
3995 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3997 * configure.ac: Fix thinko in previous check-in.
3998 * configure: Regenerate.
4000 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4003 * configure.ac (for lang...): Simplify nesting of conditionals.
4004 Test subdir_requires for non-enabled languages. Move processing
4005 of lang_opt_files and lang_tree_fiels below that test.
4006 * configure: Regenerate.
4007 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4009 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4011 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4013 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4015 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4018 2006-06-29 Jason Merrill <jason@redhat.com>
4025 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4026 * c-common.c (c_determine_visibility): Handle it here.
4027 * c-decl.c (finish_decl): Call c_determine_visibility for
4029 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4031 * varasm.c (default_assemble_visibility): Likewise.
4032 * c-common.c (handle_visibility_attribute): Complain about trying
4033 to give visibility to an already defined class, or trying to change
4034 declared visibility. Always attach the attribute.
4039 * attribs.c (decl_attributes): Ignore type-in-place attributes
4040 once the type has been defined.
4042 2006-06-29 Roger Sayle <roger@eyesopen.com>
4045 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4046 to indicate the cpplib has issued an error message for us.
4048 2006-06-29 Asher Langton <langton2@llnl.gov>
4051 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4052 insert a label at the end of an function under Mach-O.
4054 2006-06-29 Eric Christopher <echristo@apple.com>
4055 Evan Cheng <evan.cheng@apple.com>
4057 * predicates.md (vector_all_ones_operand): New.
4058 (nonimmediate_or_sse_const_operand): Ditto.
4059 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4060 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4061 (standard_sse_mode_p): Ditto.
4062 (standard_sse_constant_p): Add case for -1 vector.
4063 (ix86_expand_vector_move): Try to use.
4064 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4065 Call standard_sse_constant_opcode.
4066 (*movv4sf_internal): Ditto.
4067 (*movv2df_internal): Ditto.
4069 2006-06-29 Roger Sayle <roger@eyesopen.com>
4071 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4072 of XEXP to extract the operands of a MATCH_CODE rtx.
4074 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4076 * tree.c (tree_size): Do not waste tail padding in
4077 struct tree_string and make the size be the same as
4078 build_string will generate.
4080 2006-06-28 Jason Merrill <jason@redhat.com>
4083 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4084 may_aliases already in the tag's annotations to the bitmap.
4086 2006-06-28 Roger Sayle <roger@eyesopen.com>
4088 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4090 2006-06-28 Roger Sayle <roger@eyesopen.com>
4092 * genpreds.c (generate_switch_p): New function.
4093 (add_mode_tests): Push the new mode test down inside an AND expr
4094 if this allows the switch-suitable MATCH_CODE to be near the root.
4095 (write_match_code_switch): New function to write a MATCH_CODE as
4097 (write_predicate_stmts): New function to write a predicate RTX
4098 expression as a sequence of statements.
4099 (write_one_predicate_function): Use write_predicate_stmts.
4100 (write_tm_constrs_h): Likewise.
4102 2006-06-26 Fred Fish <fnf@specifix.com>
4104 * config/mips/t-sb1: New file.
4105 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4108 2006-06-26 DJ Delorie <dj@redhat.com>
4110 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4112 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4113 Jayant Sonar <jayants@kpitcummins.com>
4114 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4116 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4117 (subsi3, subsi3_1, subsi3_2): New.
4118 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4119 * config/m32c/mov.md (SI mov peephole): New.
4120 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4121 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4123 2006-06-26 Olivier Hainque <hainque@adacore.com>
4125 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4126 a CALL_EXPR target function declaration.
4128 2006-06-26 Richard Guenther <rguenther@suse.de>
4130 * tree.c (build_string): Do not waste tail padding in
4133 2006-06-26 Richard Guenther <rguenther@suse.de>
4135 * ggc-page.c (init_ggc): Add missing element to size_lookup
4139 2006-06-23 Richard Guenther <rguenther@suse.de>
4141 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4142 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4143 alignment requests instead. Add verification code.
4144 Add struct tree_function_decl and struct tree_binfo size to
4145 extra_order_size_table. Add missing element to size_lookup
4148 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4151 * fold-const.c (const_binop): Be prepared for self returning zero.
4152 Simplify code handling complex values.
4154 2006-06-24 Olivier Hainque <hainque@adacore.com>
4156 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4157 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4160 2006-06-24 Olivier Hainque <hainque@adacore.com>
4162 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4163 ARRAY_REF, so have the callback called for the low bound expression.
4165 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4167 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4168 * c-typeck.c (c_common_type): Disallow operations on decimal float
4169 types and other float types.
4170 * convert.c (convert_to_real): Don't ignore conversions involving
4171 decimal float types.
4173 2006-06-23 Olivier Hainque <hainque@adacore.com>
4175 * tree.c (max_int_size_in_bytes): New function, inspired from
4176 code in function.c:assign_temp.
4177 * tree.h (max_int_size_in_bytes): Declare.
4178 * function.c (assign_temp): Use it.
4179 * gimplify.c (create_tmp_var): Relax the assertions on the type
4180 properties, not mandating constant size any more.
4181 (force_constant_size): New static function.
4182 (gimple_add_tmp_var): Use it, forcing variable size to a
4183 constant upper bound if it is not constant on entry.
4185 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4188 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4189 for initialization and setting of one_only flag to ...
4190 (i386_pe_encode_section_info): ...here.
4191 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4192 Recheck that the symbol has not been defined.
4194 2006-06-23 Richard Guenther <rguenther@suse.de>
4196 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4197 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4198 alignment requests instead. Add verification code.
4199 Add struct tree_function_decl and struct tree_binfo size to
4200 extra_order_size_table. Add missing element to size_lookup
4203 2006-06-22 Roger Sayle <roger@eyesopen.com>
4204 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4207 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4208 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4210 2006-06-23 Ben Elliston <bje@au.ibm.com>
4212 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4213 negate dn -- manipulate it directly.
4215 2006-06-22 Roger Sayle <roger@eyesopen.com>
4216 Steven Bosscher <stevenb.gcc@gmail.com>
4219 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4220 generated by gen_move_insn to add REG_LABEL notes if necessary.
4222 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4224 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4225 (leaf_entry): Remove use of MIN_ESA.
4227 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4229 PR rtl-optimization/28121
4230 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4233 2006-06-21 DJ Delorie <dj@redhat.com>
4235 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4237 (mulhisi3_r): Likewise.
4239 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4242 * coverage.c (coverage_counter_alloc): Leave the index type
4244 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4247 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4249 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4250 section from the "Options for Code Generation Conventions".
4252 2006-06-21 Richard Henderson <rth@redhat.com>
4256 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4258 (global_symbolic_operand): Allow weak symbols, even if local_p.
4260 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4262 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4263 (find_interesting_uses_address): Punt if above function returns true.
4265 2006-06-21 Richard Guenther <rguenther@suse.de>
4267 * configure: Regenerated.
4269 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4271 * config/mips/mips.c (function_arg): Where one part of a
4272 complex argument is in registers and the other part in the stack,
4273 return a REG not a PARALLEL.
4275 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4277 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4278 when cross-compiling. Do not substitute libstdcxx_incdir.
4279 * configure: Regenerated.
4281 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4283 * varasm.c (mergeable_string_section): Check for embedded NULs and
4284 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4285 rather than TREE_STRING_LENGTH bytes.
4287 2006-06-21 Richard Guenther <rguenther@suse.de>
4289 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4290 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4293 2006-06-21 Richrad Guenther <rguenther@suse.de>
4295 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4296 Limit iteration over the dominators.
4298 2006-06-20 Roger Sayle <roger@eyesopen.com>
4300 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4301 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4303 2006-06-20 Richard Guenther <rguenther@suse.de>
4304 Michael Matz <matz@suse.de>
4306 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4308 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4309 * et-forest.h (et_free_pools): Prototype new function.
4310 * et-forest.c (et_free_tree_force): Free parent occurrence.
4311 (et_free_pools): New function.
4312 * dominance.c (free_dominance_info): Free et-forest alloc
4315 2006-06-20 Roger Sayle <roger@eyesopen.com>
4317 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4318 integer modes, attempt to directly construct an integer constant.
4320 * fold-const.c (native_encode_vector): Determine the size of each
4321 element from the vector type instead of the first vector element.
4323 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4324 if all of its elements/components are constant.
4325 (build_constructor_from_list): Likewise.
4327 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4329 PR tree-optimization/27331
4330 * tree-data-ref.c (free_data_ref): New function.
4331 (create_data_ref): Fail if the data reference has unknown access
4333 (free_data_refs): Use free_data_ref.
4335 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4338 * tree-inline.c (setup_one_parameter): Strip useless
4339 type conversion before adding it to the IR.
4340 (declare_return_variable): Likewise.
4342 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4345 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4347 2006-06-19 Mike Stump <mrs@apple.com>
4349 * tree.c (variably_modified_type_p): VM arguments don't make the
4352 2006-06-19 Richard Guenther <rguenther@suse.de>
4354 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4355 type conversions after folding.
4357 2006-06-19 Richard Guenther <rguenther@suse.de>
4359 * ggc-page.c (extra_order_size_tab): Add entries with
4360 size of struct function and basic_block.
4361 (size_lookup): Extend to cover sizes up to 511.
4362 (ggc_alloc_stat): Adjust user.
4363 (ggc_pch_count_object): Likewise.
4364 (ggc_pch_alloc_object): Likewise.
4365 (ggc_pch_write_object): Likewise.
4367 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4369 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4370 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4373 2006-06-19 Denis Chertykov <denisc@overta.ru>
4375 * config/avr/libgcc.S : Correct my wrong previous commit.
4377 2006-06-19 Roger Sayle <roger@eyesopen.com>
4380 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4381 have stripped a SUBREG from the shift count, so we may need to
4382 convert_to_mode back to the type's mode before calling make_tree.
4383 Use new_amount instead of amount to avoid expanding a tree twice.
4385 2006-06-19 Richard Guenther <rguenther@suse.de>
4388 * fold-const.c (operand_equal_p): Check if the argument types
4389 have the same precision before stripping NOPs.
4391 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4393 Fix PR tree-optimization/27341
4394 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4396 * tree-complex.c (pass_lower_complex): Update SMT usage.
4398 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4400 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4401 Add a new alternative to the constraint strings. Add move of
4402 operand 1 to 3 to the splitter definition.
4403 ("doloop_si_long"): Second contraint alternative removed.
4405 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4407 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4408 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4410 (AVR_HAVE_MOVW) Define.
4411 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4412 (ASM_SPEC): Add avr25.
4413 (LINK_SPEC): Add avr25.
4414 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4415 (base_arch_s): Add new member 'have_movw_lpmx'.
4416 (avr_arch_types): Init 'have_movw_lpmx'.
4417 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4418 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4419 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4420 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4421 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4423 (avr_file_start): Do not output '.arh' derective.
4424 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4425 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4426 * config/avr/avr.md (mcu_enhanced): Delete.
4427 (mcu_have_movw): Define.
4428 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4429 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4430 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4431 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4432 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4433 attiny861 and at86rf401 devices.
4435 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4437 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4440 2006-06-17 Karl Berry <karl@gnu.org>
4442 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4443 doc/gccint.texi, doc/install.texi (@dircategory): Use
4444 "Software development" instead of "Programming", following
4445 the Free Software Directory.
4447 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4449 * config/i386/i386.c (legitimate_tls_address)
4450 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4451 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4452 (*tls_dynamic_gnu2_combine_64): Likewise.
4454 2006-06-16 Richard Guenther <rguenther@suse.de>
4457 * fold-const.c (negate_expr_p): Do not introduce undefined
4458 overflow in negating INTEGER_CSTs.
4459 (fold_negate_expr): Rename from negate_expr. Revert last
4460 change for folding BIT_NOT_EXPR. Change semantics to
4461 return NULL_TREE for non-simplified negations. Do not
4462 strip type conversions and unify type handling.
4463 (negate_expr): New function, wrap around fold_negate_expr
4464 but ensure building a tree always. Strip type conversions
4465 here, fold to result type.
4466 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4468 2006-06-16 Roger Sayle <roger@eyesopen.com>
4471 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4472 that (would) return their results in stack registers.
4474 2006-06-16 Michael Matz <matz@suse.de>
4475 Richard Guenther <rguenther@suse.de>
4477 * fold-const.c (fold_truthop): Only return new tree node if
4478 we canonicalized something.
4480 2006-06-16 Richard Guenther <rguenther@suse.de>
4482 * function.h (enum function_frequency): Move declaration
4483 out of struct function.
4484 (struct function): Move bool fields and the enum to the bitfield
4485 section. Reorder elements to avoid padding. Remove unused
4486 fields left over from the RTL inliner removal.
4487 * function.c (free_after_compilation): Do not zero removed fields.
4488 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4489 (ipa-type-escape.o): Likewise.
4491 2006-06-16 Richard Guenther <rguenther@suse.de>
4493 * cgraph.h (struct cgraph_local_info): Turn bool elements
4495 (struct cgraph_node): Likewise.
4496 (struct cgraph_varpool_node): Likewise.
4498 2006-06-15 Richard Guenther <rguenther@suse.de>
4500 * fold-const.c (fold_truth_not_expr): Rename from
4501 invert_truthvalue. Give it fold_* semantics to avoid
4503 (invert_truthvalue): New function. Wrapper around
4504 fold_truth_not_expr.
4505 (optimize_minmax_comparison): Avoid creating garbage.
4506 (fold_unary): Use fold_truth_not_expr for folding
4508 (fold_ternary): Replace uses of invert_truthvalue with
4509 fold_truth_not_expr where applicable.
4510 * tree.h (fold_truth_not_expr): Prototype.
4512 2006-06-16 Richard Guenther <rguenther@suse.de>
4514 PR tree-optimization/27781
4515 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4516 * ipa-pure-const.c (target.h): Include.
4517 (analyze_function): Do not analyze functions that do not
4520 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4523 * tree-dfa.c (referenced_vars_dup_list): Remove.
4524 (find_referenced_vars): Remove assert.
4525 (referenced_var_check_and_insert): Replace dup list with assert.
4526 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4527 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4529 2006-06-15 Richard Guenther <rguenther@suse.de>
4531 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4532 extra unused identifiers if not dumping.
4533 (create_variable_info_for): Likewise.
4535 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4537 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4538 (derive_constant_upper_bound): Derive more precise upper bound in
4539 common cases. Return type changed to double_int.
4540 (record_estimate): Reflect the changed return type of
4541 derive_constant_upper_bound.
4542 * double-int.c (double_int_zext, double_int_sext): Fix.
4544 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4546 * configure.ac (CFLAGS): Get them from the toplevel or from the
4547 configure invocation.
4548 * configure: Regenerate.
4549 * Makefile.in (CFLAGS): Substitute value provided by configure.
4551 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4554 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4555 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4556 rather than calling add_stmt on it.
4557 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4559 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4562 * reload1.c (reload): Remove registers returned by update_eliminables
4563 from used_spill_regs.
4565 2006-06-13 DJ Delorie <dj@redhat.com>
4567 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4569 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4571 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4572 html__strip_dir, html__mkdir_p. Enhance install-html target.
4573 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4574 * configure: Regenerate.
4576 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4578 * fold-const.c (fold_cond_expr_with_comparison): Check for
4579 Objective-C++ as language in deciding COND_EXPR transformation.
4581 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4584 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4585 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4586 * config/sh/lib1funcs.h (SL, SL1): Define.
4587 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4588 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4589 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4590 (OBJS_Os_4_200): New variable.
4591 ($(T)libgcc-Os-4-200.a): Use it.
4592 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4593 when dividing 1 and/or by 0.
4595 2006-06-13 Roger Sayle <roger@eyesopen.com>
4597 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4598 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4599 * configure: Regenerate.
4601 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4603 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4604 for real instruction.
4606 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4609 * haifa-sched.c (check_cfg): Handle special case.
4611 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4614 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4615 Add debug_info parameter. Chain the vars to the BLOCK instead
4616 of the BIND_EXPR if debug info are requested for them.
4617 (pop_gimplify_context): Adjust for above change.
4618 (gimple_add_tmp_var): Likewise.
4619 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4621 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4622 (convert_local_reference): Likewise.
4623 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4624 (finalize_nesting_tree_1): Request that debug info be emitted
4625 for debug_var_chain.
4627 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4629 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4630 for PR target/27863.
4632 2006-06-13 Richard Guenther <rguenther@suse.de>
4635 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4637 2006-06-13 Richard Guenther <rguenther@suse.de>
4639 PR tree-optimization/27830
4640 * tree-inline.c (copy_body_r): For copying the operand
4641 of an ADDR_EXPR make sure to fold &* afterwards.
4643 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4645 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4646 lvalues in the fb_none case with side-effects.
4648 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4650 * tree-flow.h: Remove the prototype for
4651 compute_phi_arg_on_exit.
4652 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4653 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4656 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4658 * builtins.c (expand_builtin_return_addr): Only use
4659 frame_pointer_rtx when count == 0 and we are expanding
4660 __builtin_return_address.
4662 2006-06-12 Fred Fish <fnf@specifix.com>
4664 * config/mips/mips.c (mips_file_start): Create special section
4665 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4667 2006-06-11 Eric Christopher <echristo@apple.com>
4670 * stor-layout.c (place_field): Remove check for
4671 remaining_in_alignment when aligning at the end of a run.
4673 2006-06-11 Eric Christopher <echristo@apple.com>
4676 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4679 2006-06-11 Roger Sayle <roger@eyesopen.com>
4682 Revert incorrect fix for PR target/27158
4683 2006-05-08 Roger Sayle <roger@eyesopen.com>
4684 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4685 of a reg_equiv_constant if the result is a legitimate constant.
4687 2006-06-11 Roger Sayle <roger@eyesopen.com>
4690 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4691 extract a CONST_VECTOR element and interpret it as an integer.
4692 (vspltis_constant): Use const_vector_elt_as_int instead of the
4693 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4694 * config/rs6000/predicates.md (easy_vector_const): Consider
4695 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4697 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4700 * stor-layout.c (update_alignment_for_field): Don't add extra
4701 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4704 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4706 * config/mips/t-rtems: Add EL/EB multilib variants.
4708 2006-06-09 Mike Stump <mrs@apple.com>
4710 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4712 2006-06-09 David Daney <ddaney@avtrex.com>
4714 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4716 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4718 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4720 2006-06-09 Richard Guenther <rguenther@suse.de>
4722 PR tree-optimization/26998
4723 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4724 of signed types, only TYPE_MIN_VALUE is special, but for both,
4725 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4726 in this case, as is -fwrapv.
4728 2006-06-08 Mike Stump <mrs@apple.com>
4731 * config/darwin.c (darwin_asm_output_anchor): Disable
4732 -fsection-anchors on darwin for now.
4733 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4734 * rs6000/rs6000.c (optimization_options): Likewise.
4736 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4739 * config/i386/i386.c (classify_argument): Skip fields with invalid
4742 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4744 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4745 (cse_insn): Likewise for the stack_pointer_rtx.
4747 2006-06-08 Roger Sayle <roger@eyesopen.com>
4749 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4750 conditions from floating point comparisons.
4752 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4755 * expmed.c (struct alg_hash_entry): Fix type of field T
4756 to match synth_mult argument.
4757 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4759 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4762 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4765 2006-06-08 Richard Guenther <rguenther@suse.de>
4768 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4769 only, if overflow is defined and not trapping.
4770 (negate_expr): Likewise.
4772 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4774 PR tree-optimization/27872
4775 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4776 flag on the new exit edge of the unrolled loop.
4778 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4780 PR rtl-optimization/26449
4781 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4783 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4786 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4787 referenced_variables with matching DECL_UID's.
4788 (find_referenced_vars): Make sure duplicate list is empty to start.
4789 (referenced_var_p): Remove.
4790 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4791 Check if var is in the list, and add if needed. Update the duplicate
4792 list if a different var is in the list with the same DECL_UID.
4793 (add_referenced_var): Call routine to check and insert.
4794 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4795 * tree-flow.h (referenced_vars_dup_list): External declaration.
4797 2006-06-07 Fred Fish <fnf@specifix.com>
4799 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4802 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4805 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4806 the imaginary and real parts of a clobbered register.
4807 Emit insn to set the imaginary part.
4809 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4811 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4812 in lieu of unwind-dw2-fde.c.
4814 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4816 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4818 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4821 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4822 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4823 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4824 V4SImode temporaries and operations instead.
4826 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4828 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4831 2006-06-06 Mike Stump <mrs@apple.com>
4833 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4834 installing during build.
4836 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4838 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4840 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4841 * config/ia64/ia64.c (params.h): New header.
4842 (ia64_optimization_options): New function to adjust parameters.
4843 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4844 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4845 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4847 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4849 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4851 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4854 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4856 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4857 Victor Kaplansky <victork@il.ibm.com>
4859 PR tree-optimization/26360
4860 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4863 2006-06-04 Roger Sayle <roger@eyesopen.com>
4864 Andrew Pinski <pinskia@physics.uc.edu>
4867 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4868 for LABEL_DECL before calling DECL_WEAK.
4871 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4872 LABEL_DECL and PARM_DECL.
4874 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4878 * c-decl.c (grokdeclarator): Disallow variably modified types at
4879 file scope. Avoid marking shared array type of constant size as
4882 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4885 * c-common.c (fold_offsetof_1): Handle static members.
4887 2006-06-04 Eric Christopher <echristo@apple.com>
4889 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4890 (debug_rli): Output value for remaining_in_alignment.
4891 (update_alignment_for_field): Unconditionalize
4892 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4893 extra alignment code.
4894 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4895 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4896 * tree.h (record_layout_info_s): Remove prev_packed.
4897 * doc/extend.texi (ms_struct): Add documentation of format.
4899 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4901 * tree.h: Declare folding_initializer.
4902 * builtins.c (fold_builtin_constant_p): Give definite answer
4903 if folding inside an initializer.
4904 * fold-const.c: Define folding_initializer.
4905 (START_FOLD_INIT): Save and then set folding_initializer.
4906 (END_FOLD_INIT): Restore folding_initializer.
4908 2006-06-04 Richard Guenther <rguenther@suse.de>
4910 PR tree-optimization/27039
4911 * fold-const.c (fold_comparison): Handle pointer comparison
4912 again for all comparison codes. Compare offsets in signed
4914 (fold_binary): Move code from here.
4916 2006-06-03 Roger Sayle <roger@eyesopen.com>
4919 * config/i386/i386.c (construct_container): Split static issued_error
4920 flag into issued_sse_arg_error, issued_sse_ret_error and
4921 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4922 requires the use of x87 registers and the user explicitly
4923 specified the -mno-80387 command line option.
4925 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4927 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4928 HAVE_DECL_SIGALTSTACK.
4930 (segv_handler): Use MC_FLD.
4931 * configure.ac: Check for a sigaltstack declaration.
4932 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4933 * configure: Regenerate.
4934 * config.in: Regenerate.
4936 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4939 * Makefile.in (stmp-fixinc): Fix typo.
4941 2006-06-02 Roger Sayle <roger@eyesopen.com>
4943 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4944 are type correct. Clean-up.
4945 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4946 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4948 2006-06-01 DJ Delorie <dj@redhat.com>
4950 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4951 shift, as we've disabled the "switch" insn that needs it.
4953 2006-06-01 Per Bothner <bothner@bothner.com>
4955 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4956 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4957 * c-ppoutput.c (cb_define): Don't increment line 0.
4959 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4961 * doc/invoke.texi: Add cpu_type power6.
4962 * config.gcc: Add cpu_type power6.
4963 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4964 to power5+ with Altivec.
4965 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4966 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4968 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4970 * config/avr/avr.h (SET_ASM_OP): Define.
4972 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4974 * config/bfin/bfin.c: Fix comment typos.
4976 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4979 * doc/install.texi: Document --enable-bootstrap and
4980 --disable-bootstrap.
4982 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4984 * doc/install.texi: Document that InfoZIP can replace jar.
4986 2006-05-31 Roger Sayle <roger@eyesopen.com>
4988 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4989 isn't available, directly generate the simpler x87 patterns without
4990 the (use (const_int 0)).
4991 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4992 implementation isn't available.
4993 (*negdf2_1): Likewise.
4994 (*negxf2_1): XF mode negation is always done using the x87.
4995 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4997 2006-05-31 Roger Sayle <roger@eyesopen.com>
4999 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5000 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5002 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5004 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5006 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5007 * config/bfin/bfin.c (basic-block.h): Include.
5008 (struct machine_function): New.
5009 (bfin_init_machine_status): New.
5010 (override_options): Initialize init_machine_status.
5011 (bfin_hardware_loop): New.
5012 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5013 (DEF_VEC_P (loop_info)): New.
5014 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5015 (struct loop_info): New.
5016 (loop_info): New typedef.
5017 (struct loop_work): New.
5018 (loop_work): New typedef.
5019 (DEF_VEC_O (loop_work)): New.
5020 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5021 (bfin_dump_loops): New.
5022 (bfin_bb_in_loop): New.
5023 (bfin_scan_loop): New.
5024 (bfin_optimize_loop): New.
5025 (bfin_reorg_loops): New.
5026 (bfin_reorg): Use bfin_reorg_loops.
5027 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5029 (I_REGNO_P): Simplify.
5030 (DP_REGNO_P, DPREG_P): New macros.
5031 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5032 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5033 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5034 Add LT_REGS, LC_REGS, LB_REGS.
5035 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5037 (REGNO_REG_CLASS): Deal with loop registers.
5038 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5040 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5041 New constants for loop registers.
5042 (UNSPEC_LSETUP_END): New.
5043 (seq_insns): New define_attr. Set it for appropriate insns.
5044 (movsi_insn): Add alternatives for move from/to
5045 loop count registers.
5046 (doloop_end): New define_expand.
5047 (loop_end): New define_insn.
5048 (define_split for bad doloop_end): New.
5049 (lsetup_with_autoinit): New define_insn.
5050 (lsetup_without_autoinit): New define_insn.
5051 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5052 * config/bfin/predicates.md (lc_register_operand): New.
5053 (lt_register_operand): New.
5054 (lb_register_operand): New.
5055 (nondp_register_operand): New.
5056 (nondp_reg_or_memory_operand): New.
5057 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5059 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5061 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5062 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5064 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5066 * Makefile.in (CATALOGS): Add po/ prefix.
5067 * configure: Regenerated.
5069 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5072 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5073 a shift operand before calling shift_op. Avoid redundant call of
5076 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5077 DJ Delorie <dj@redhat.com>
5079 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5080 we're inserting is a singlt-bit constant.
5082 2006-05-30 Roger Sayle <roger@eyesopen.com>
5084 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5085 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5087 2006-05-30 Roger Sayle <roger@eyesopen.com>
5089 PR tree-optimization/23452
5090 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5091 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5092 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5093 complex values and with -ffast-math for FP complex values.
5095 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5097 * c-common.h: Remove the prototype for yyparse.
5098 * rtl.h: Remove the prototype for init_loop.
5100 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5102 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5105 2006-05-30 Roger Sayle <roger@eyesopen.com>
5107 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5109 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5110 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5112 2006-05-30 Dirk Mueller <dmueller@suse.de>
5115 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5116 for CONSTANT_CLASS_P expresisons.
5118 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5121 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5123 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5125 PR tree-optimization/27779
5126 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5127 initial_condition instead of CHREC_LEFT.
5129 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5131 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5132 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5133 Make prototypes ISO C90.
5135 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5136 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5138 * see.c (see_analyze_one_def): Correct check.
5139 (see_get_extension_data): Check if extension is parallel.
5140 (see_get_extension_reg): Likewise.
5142 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5145 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5146 into register for (code == GTU).
5148 2006-05-29 Roger Sayle <roger@eyesopen.com>
5150 PR tree-optimization/24964
5151 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5152 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5153 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5154 abs(x)*abs(x) as x*x for scalar floating point modes.
5156 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5159 * lambda-code.c (perfect_nestify): Don't copy statements
5160 in the inner loop: move them to the inner loop header.
5162 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5165 * c-tree.texi: Document OpenMP directives and clauses.
5167 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5169 * varasm.c (globalize_decl): Fix indentation.
5171 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5174 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5175 pass_fre, pass_store_ccp, pass_copy_prop,
5176 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5177 pass_return_slot, pass_object_size, pass_lim,
5178 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5179 pass_loop_prefetch and pass_stdarg.
5181 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5183 * config/bfin/bfin.opt (mfdpic): New option.
5184 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5185 (EXTRA_MULTILIB_PARTS): Likewise.
5186 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5187 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5189 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5190 (CRT_CALL_STATIC_FUNCTION): New.
5191 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5193 (CRT_CALL_STATIC_FUNCTION): New.
5194 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5196 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5197 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5198 (initialize_trampoline): Changed to handle FD-PIC code generation.
5199 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5200 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5201 (override_options): Disallow -mid-shared-library -mfdpic combination.
5202 Can't do unaligned ops if FD-PIC.
5203 Turn off flag_pic if trying to generate non-id-shared-library
5204 non-fdpic code, since it's not supported.
5205 (bfin_assemble_integer): New function.
5206 (TARGET_ASM_INTEGER): Define.
5207 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5209 * config/bfin/crtn.s: Restore them.
5210 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5212 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5213 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5214 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5215 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5216 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5218 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5219 FDPIC_REGS and FDPIC_FPTR_REGS.
5220 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5221 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5222 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5223 (load_funcdescsi): New pattern.
5224 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5225 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5226 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5228 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5230 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5233 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5235 * tree-flow.h: Remove the prototype for add_type_alias.
5236 * tree-ssa-alias.c (add_type_alias): Remove.
5238 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5240 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5241 config/fr30/fr30.md, config/i386/i386-interix.h,
5242 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5243 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5244 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5245 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5246 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5247 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5248 Follow spelling conventions.
5249 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5250 Follow spelling conventions.
5252 2006-05-27 Richard Guenther <rguenther@suse.de>
5255 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5256 to produce a constant of value 1 of generic type.
5258 2006-05-27 Dirk Mueller <dmueller@suse.de>
5260 * cgraphunit.c (decide_is_function_needed): Fix wrong
5263 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5265 PR rtl-optimization/27661
5266 * reload.c (find_reloads): When reloading a VOIDmode constant
5267 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5268 use Pmode as mode of the reload register.
5270 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5272 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5273 is enabled at -O and above.
5275 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5278 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5281 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5284 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5285 for anonymous variables explicitly declared by front ends.
5287 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5289 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5290 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5291 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5292 ref-all pointers, run a finalization pass for them.
5293 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5294 (finalize_ref_all_pointers): New function.
5295 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5296 regular pointer type to a ref-all pointer type.
5297 (get_tmt_for): Return the special memory tag for ref-all pointers.
5299 2006-05-25 Richard Guenther <rguenther@suse.de>
5302 * fold-const.c (fold_binary): Do not look at the stripped
5303 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5305 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5307 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5308 for LT and GT if the computed range is effectively empty.
5310 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5313 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5314 mips_quad_format formats instead of ieee_single_format,
5315 ieee_double_format and ieee_quad_format formats, respectively.
5317 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5319 PR tree-optimization/27639
5320 PR tree-optimization/26719
5321 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5322 call to scev_probably_wraps_p.
5323 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5324 used_in_pointer_arithmetic_p, convert_step): Removed.
5325 (nowrap_type_p): New function.
5326 (scev_probably_wraps_p): Rewritten.
5327 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5328 chrec_convert if chrec_convert_aggressive might have been used.
5329 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5330 scev_direction): New functions.
5331 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5332 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5333 instead of convert_step.
5334 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5335 (convert_step): Declaration removed.
5336 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5338 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5340 * df-core.c: Added to header comments.
5341 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5342 df_ur_bb_info, df_urec_bb_info): Added comments.
5343 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5344 urec, ri problems): Fixed header comments.
5345 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5346 code from df_rd_transfer_function.
5348 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5350 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5351 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5352 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5354 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5356 * expr.c (undefined_operand_subword_p): New.
5357 (emit_move_multi_word): Do not generate move from undefined bits
5358 of a paradoxical subreg.
5360 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5362 PR rtl-optimization/27736
5363 * combine.c (replaced_rhs_value): New variable.
5364 (combine_instructions): Set it.
5365 (distribute_notes): When distributing a note in replaced_rhs_insn,
5366 check whether the value was used in replaced_rhs_value.
5368 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5371 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5372 add_referenced_var instead of add_referenced_tmp_var.
5373 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5374 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5376 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5377 tree_optimize_tail_calls_1): Use add_referenced_var.
5378 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5379 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5380 Use add_referenced_var.
5381 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5382 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5383 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5384 Use add_referenced_var.
5385 * tree-dfa.c (struct walk_state): Remove.
5386 (find_referenced_vars): Remove walk state and vars_found hash table.
5387 (make_rename_temp): Use add_referenced_var.
5388 (find_vars_r): Pass less parameters to add_referenced_var.
5389 (referenced_var_p): New. Is var in referenced_var hash table.
5390 (referenced_var_insert): Assert var isn't already in hash table.
5391 (add_referenced_var): Don't need walk_state parameter. Add var if it
5392 isn't already in the hash table.
5393 (add_referenced_tmp_var): Remove.
5394 (find_new_referenced_vars_1): Use add_referenced_var.
5395 * tree-ssa-pre.c (create_expression_by_pieces,
5396 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5397 Use add_referenced_var.
5398 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5399 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5400 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5402 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5403 vect_create_data_ref_ptr, vect_create_destination_var,
5404 vect_init_vector, vect_build_loop_niters,
5405 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5406 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5407 Use add_referenced_var.
5408 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5409 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5410 (add_referenced_var): Add prototype.
5411 * tree-ssa-structalias.c (get_constraint_for,
5412 intra_create_variable_infos): Use add_referenced_var.
5414 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5416 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5417 big-endian paradoxical subregs.
5418 * var-tracking.c (struct micro_operation_def): Document that,
5419 for modify micro operations, insn is the subsequent instruction.
5420 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5421 (var_reg_set, var_mem_set): ... new functions.
5422 (add_stores): Record subsequent insn.
5423 (compute_bb_dataflow): Use new functions for MO_USE.
5424 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5425 notes after the insn, and modify notes before the insn known
5426 to be the subsequent one.
5427 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5429 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5432 * config/i386/i386.c (ix86_expand_builtin): Use
5433 gen_sse3_monitor64 for TARGET_64BIT.
5435 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5437 PR rtl-optimization/26375
5438 PR rtl-optimization/26855
5439 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5441 (df_ru_bb_local_compute): Reversed statements and removed bogus
5442 comment explaining why they should be in wrong order.
5443 (df_ru_dump, df_rd_dump): Enhanced debug info.
5444 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5446 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5447 reaching uses and fixed space problem.
5449 2006-05-23 Jan Hubicka <jh@suse.cz>
5451 * cgraphunit.c (decide_is_function_needed): Also nested functions
5452 and functions declared inline can be optimized out at -O0.
5454 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5456 * doc/install.texi (Configuration): Remove reference to CrossGCC
5460 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5463 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5464 ix86_compare_emitted is non-NULL.
5466 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5469 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5472 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5474 PR rtl-optimization/25514
5475 * combine.c (replaced_rhs_insn): New variable.
5476 (combine_instructions): Set replaced_rhs_insn when trying to replace
5477 a SET_SRC with a REG_EQUAL note.
5478 (distribute_notes): Use replaced_rhs_insn when determining the live
5479 range of a REG_DEAD register.
5481 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5482 Anatoly Sokolov <aesok@post.ru>
5484 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5485 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5486 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5487 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5488 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5489 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5490 at90usb647, at90usb1286 and at90usb1287 devices.
5491 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5492 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5494 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5496 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5498 2006-05-22 Richard Guenther <rguenther@suse.de>
5501 2006-01-31 Richard Guenther <rguenther@suse.de>
5502 Paolo Bonzini <bonzini@gnu.org>
5504 * doc/install.texi (--disable-libgcc-math): Document.
5506 2006-05-22 Richard Guenther <rguenther@suse.de>
5509 2006-01-31 Richard Guenther <rguenther@suse.de>
5511 * doc/invoke.texi (-msselibm): Document.
5512 * target.h (expand_library_builtin): New target hook.
5513 * builtins.c (expand_builtin): Use expand_library_builtin.
5514 (default_expand_library_builtin): New function.
5515 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5516 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5517 (link_gcc_math_spec): Declare.
5518 (static_specs): Add link_gcc_math_spec.
5519 * expr.h (default_expand_library_builtin): Declare.
5520 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5521 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5522 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5523 * config/i386/i386.opt (msselibm): New target option.
5524 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5525 (ix86_init_sse_abi_builtins): New function.
5526 (ix86_expand_library_builtin): Likewise.
5527 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5528 (override_options): Handle error conditions wrt -msselibm.
5529 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5530 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5531 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5534 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5537 * c-common.c (self_promoting_args_p): Skip erroneous args.
5540 * c-decl.c (finish_struct): Skip erroneous fields.
5542 2006-05-22 Nick Clifton <nickc@redhat.com>
5544 * config/cris/cris.opt (march): Remove VarExists attribute.
5545 (max-stackframe=): Likewise.
5547 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5549 * doc/rtl.texi: Fix a typo.
5550 * see.c: Fix comment typos.
5552 * tree-ssa-structalias.h (alias_info): Remove num_references.
5554 2006-05-21 Mike Stump <mrs@apple.com>
5556 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5558 (darwin_pragma_options): Use BAD instead.
5559 (darwin_pragma_unused): Likewise.
5560 (darwin_pragma_ms_struct): Likewise.
5562 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5564 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5566 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5568 PR rtl-optimization/27671
5569 * simplify-rtx.c (simplify_relational_operation_1): Fix
5570 simplifications of (eq/ne (xor x y) y) and
5571 (eq/ne (xor x y) x).
5573 PR tree-optimization/26622.
5574 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5577 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5579 * tree-cfg.c: Prune whitespace.
5580 (debug_tree_cfg): Point to correct header containing the
5583 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5586 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5588 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5591 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5592 or sorry count is non zero.
5594 2006-05-20 Andreas Schwab <schwab@suse.de>
5596 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5598 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5599 Kenneth Zadeck <zadeck@naturalbridge.com>
5601 PR rtl-optimization/26855
5603 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5605 (df_scan_alloc): Added code to properly handle multiword hard
5606 registers and add all_blocks parameter.
5607 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5608 code to properly handle multiword hard registers.
5609 (df_rescan_blocks): Added code to remove deleted blocks from
5611 (df_ref_create_structure, df_ref_record): Added code to properly
5613 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5614 and set DF_REF_PARTIAL.
5615 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5616 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5617 (df_scan_add_problem): Added flags parameter.
5618 (df_ref_create_structure): Changed switching structure.
5619 (df_bb_refs_record): Fixed case where duplicate artificial refs
5620 were created. Changed location of flags.
5621 (df_record_entry_block_defs): Added code to make stack pointer
5622 live in entry block. Refined cases where frame pointer is needed.
5623 Changed location of flags.
5624 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5625 (df_set_state): Removed function.
5626 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5627 df_insn_create_insn_record, df_insn_refs_delete,
5628 df_ref_create_structure): Formatting changes.
5629 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5630 df_delete_basic_block): New function.
5631 (df_init): Changed location of flags.
5632 (df_add_problem): Added flags parameter and the way flags are
5634 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5635 debug_df_chain): Improved debugging output.
5636 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5637 (df_refs_chain_dump): Removed df parameter.
5638 (df_iterative_dataflow): Added consistency check.
5639 (df_prune_to_subcfg): Made public.
5640 (df_analyze_problem): Added blocks_to_init parameter and made
5642 (df_ref_record, df_bb_refs_record, df_mark_reg,
5643 df_record_exit_block_uses): Whitespace changes.
5644 (df_dump): Whitespace changes.
5645 * df.h: Some reordering to remove forward references.
5646 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5647 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5648 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5649 (dataflow.flags): New field.
5650 (df.flag): Deleted field.
5651 (df_alloc_function): Added additional bitmap parameter.
5652 (df_dependent_problem_function): New type.
5653 (df_problem.changeable_flags): New field.
5654 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5655 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5656 (df_mw_hardreg): New struct.
5657 (DF_INSN_UID_MWS): New macro.
5658 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5660 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5661 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5662 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5663 (df_set_state): Removed function.
5664 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5665 * df-problems.c (df_chain_dump): Removed df parameter.
5666 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5667 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5669 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5670 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5671 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5672 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5673 DF_REF_MUST_CLOBBER cases.
5674 (df_ru_bb_local_compute_process_def,
5675 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5676 df_lr_bb_local_compute, df_ur_bb_local_compute,
5677 df_chain_create_bb): Made subreg aware.
5678 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5679 df_lr_bb_local_compute, df_lr_bb_local_compute,
5680 df_chain_create_bb): Cleanup to use proper macros.
5681 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5682 code to fixup bitvectors.
5683 (df_ri_alloc): Cleared lifetime.
5684 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5685 df_create_unused_note): New function.
5686 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5687 REG_DEAD and REG_UNUSED notes as well as register information.
5688 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5689 df_chains_dump): Fixed crash if problem was never run.
5690 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5691 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5692 df_ri_add_problem): Processes flags in uniform manner.
5693 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5694 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5695 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5696 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5697 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5698 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5699 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5700 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5701 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5702 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5703 * see.c (see_initialize_data): Ditto.
5704 * final.c (rest_of_clean_state) Added regstack_completed.
5705 * rtl.h (regstack_completed): Ditto.
5706 * reg-stack.c (regstack_completed): Ditto.
5708 2006-05-19 Mike Stump <mrs@apple.com>
5710 * c-tree.h (default_conversion): Remove.
5711 * c-common.h (default_conversion): Add.
5713 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5715 * tree-vrp.c (valid_value_p): New function.
5716 (adjust_range_with_scev): Fail if the value of bound is not
5719 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5721 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5722 (mips_fallback_frame_state): Use syscall numbers to determine
5723 the appropriate li instruction for the current ABI. Only use
5724 __NR_sigreturn for o32.
5726 2006-05-19 Nicolas Setton <setton@adacore.com>
5728 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5729 * langhooks.c (lhd_dwarf_name): New function.
5730 * langhooks-def.h (lhd_dwarf_name): Declare.
5731 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5732 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5733 * ada/misc.c (gnat_dwarf_name): New function.
5734 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5736 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5738 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5740 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5741 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5742 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5743 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5744 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5745 determine the size of Wtype, etc.
5746 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5747 (swfloatfuncs): New variable.
5748 (dwfloatfuncs): Likewise.
5749 (lib2funcs): Remove floating-point conversion functions from
5750 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5751 the set of conversion routines needed. Allow entries to specify
5752 an object name, filename and word size. Update users accordingly.
5753 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5754 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5758 2006-02-08 Roger Sayle <roger@eyesopen.com>
5761 * config/fixtfdi.c: New libgcc source file.
5762 * config/fixunstfdi.c: New source file.
5763 * config/floatditf.c: New source file.
5764 * config/floatunditf.c: New souce file.
5765 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5766 files above instead of config/mips/_tilib.c.
5767 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5769 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5771 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5772 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5774 2006-05-18 Mike Stump <mrs@apple.com>
5776 Fix up vla, vm and [*] sematics.
5782 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5783 (c_vla_unspec_p): Add.
5784 (c_vla_type_p): Add.
5785 * c-decl.c (struct c_scope): Add had_vla_unspec.
5786 (build_array_declarator): Add support for [*].
5787 (grokdeclarator): Likewise.
5788 (grokparms): Likewise.
5789 (get_parm_info): Likewise.
5790 * c-objc-common.c (c_vla_unspec_p): Likewise.
5791 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5792 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5793 typeof when argument is a variably modified type not inside sizeof or alignof.
5794 (c_parser_direct_declarator_inner): Propagate errors.
5795 (c_parser_sizeof_expression): Add support for [*].
5796 (c_parser_parms_declarator): Initialize had_vla_unspec.
5797 (c_parser_parms_list_declarator): Likewise.
5798 * c-typeck.c (c_vla_type_p): Add.
5799 (composite_type): Add support for vla compositing.
5800 (comptypes_internal): Add support for vla compatibility.
5801 (c_expr_sizeof_expr): Evaluate vla arguments.
5802 * tree.c (variably_modified_type_p): Update comment for [*].
5804 2006-05-18 Michael Matz <matz@suse.de>
5807 * config.host: Make assignments to host_xmake_file cumulative.
5808 * config.host (*-darwin*): Test $host, not $target.
5810 2006-05-12 Stuart Hastings <stuart@apple.com>
5812 * config/i386/i386.opt (-mstackrealign): New flag.
5813 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5814 (ix86_handle_cconv_attribute): Emit error when
5815 force_align_arg_pointer attribute collides with too many regparms.
5816 (ix86_function_regparm): Limit regparms when used with
5817 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5818 Support stack-realigning prologue in non-main functions. Emit
5819 warning for nested functions under -mstackrealign, emit error for
5820 nested functions with force_align_arg_pointer attribute.
5821 * doc/extend.texi (force_align_arg_pointer): Document it.
5822 * doc/invoke.texi (-mstackrealign): Document it.
5824 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5826 PR rtl-optimization/27477
5827 * combine.c (try_combine): Don't split a parallel consisting
5828 of two sets into two individual sets if both sets reference
5831 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5833 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5834 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5836 * doc/options.texi (VarExists): Updated.
5838 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5840 * unwind-dw2.c: Add declarations for uw_update_context and
5842 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5843 detected, advance frame state and context once to skip over stub.
5845 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5849 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5850 Call rewrite_into_loop_closed_ssa only when something changed.
5851 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5852 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5853 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5854 Test for perfect_nest_p here. Fix formating.
5855 (replace_uses_equiv_to_x_with_y): Fix formating.
5856 (stmt_uses_op): Removed.
5857 (can_convert_to_perfect_nest): Removed loopivs parameter.
5858 Complete the test by checking the scalar dependences.
5859 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5862 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5865 From Dan Kegel <dank@kegel.com>:
5866 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5868 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5870 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5871 if the element type is variably modified without recursing.
5873 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5876 * tree-loop-linear.c (try_interchange_loops): Test for
5877 no data dependences.
5879 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5881 PR tree-optimization/27548
5882 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5883 range of ssa names that appear on abnormal edges.
5884 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5885 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5887 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5890 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5892 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5895 * tree.h (OMP_PARALLEL_COMBINED): Define.
5896 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5897 (new_omp_context): Add is_combined_parallel argument.
5898 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5899 new_omp_context caller.
5900 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5901 Adjust gimplify_scan_omp_clauses callers.
5902 (omp_is_private): Issue errors if iteration variable is firstprivate
5903 or reduction in the current context.
5904 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5905 on combined parallel workshare constructs.
5907 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5909 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5910 (gcc-options.o): New rule.
5912 * optc-gen.awk: Protect variables for gcc-options.o with
5913 #ifdef GCC_DRIVER/#endif.
5915 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5917 Fix PR tree-optimization/27373
5918 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5919 (forward_propagate_addr_expr): Update call.
5921 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5923 * doc/options.texi: Move the Negative option.
5925 2006-05-16 Richard Guenther <rguenther@suse.de>
5927 PR tree-optimization/22303
5928 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5930 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5931 ccp_fold did not simplify the statement.
5933 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5936 * Makefile.in (GCC_OBJS): New.
5937 (OBJS-common): Add opts-common.o.
5938 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5939 (cpp$(exeext)): Likewise.
5940 (gcc.o): Also depend on opts.h.
5941 (opts-common.o): New.
5943 * common.opt (gcoff): Add Negative(gdwarf-2).
5944 (gdwarf-2): Add Negative(gstabs).
5945 (gstabs): Add Negative(gstabs+).
5946 (gstabs+): Add Negative(gvms).
5947 (gvms): Add Negative(gxcoff).
5948 (gxcoff): Add Negative(gxcoff+).
5949 (gxcoff+): Add Negative(gcoff).
5950 * config/i386/i386.opt (m32): Add Negative(m64).
5951 (m64): Add Negative(m32).
5953 * doc/options.texi: Document the Negative option.
5955 * gcc.c: Include "opts.h".
5956 (main): Call prune_options after expandargv.
5958 * optc-gen.awk: Generate common declarations for all flag
5959 variables in options.c. Output the neg_index field.
5961 * opts.c (find_opt): Moved to ...
5962 * opts-common.c: Here. New file.
5964 * opts.h (cl_option): Add a neg_index field.
5966 (prune_options): Likewise.
5968 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5971 * omp-low.c (expand_omp_parallel): Don't assert
5972 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5973 instead search for it.
5976 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5979 2006-05-16 Andreas Schwab <schwab@suse.de>
5981 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5984 2006-05-15 Roger Sayle <roger@eyesopen.com>
5987 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5988 integer constants other than zero are only legitimate on TARGET_64BIT.
5989 <CONST_VECTOR> Only zero vectors are legitimate.
5990 (ix86_cannot_force_const_mem): Integral and vector constants can
5991 always be put in the constant pool.
5993 2006-05-16 DJ Delorie <dj@redhat.com>
5995 * crtstuff.c (__dso_handle): Set section from
5996 TARGET_LBIGCC_SDATA_SECTION if defined.
5997 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5998 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6000 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6003 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6006 2006-05-16 Ben Elliston <bje@au.ibm.com>
6008 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6010 2006-05-15 Per Bothner <per@bothner.com>
6012 * tree.c: (last_annotated_node): Use source_locus typedef.
6013 This permits bootstrapping with --enable-mapped-location.
6015 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6017 PR tree-optimization/26830
6018 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6019 (info_for_ssa_name, current_info_for_ssa_name_age,
6020 blocks_to_update): New variables.
6021 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6022 (clear_ssa_name_info, initialize_flags_in_bb,
6023 mark_block_for_update): New functions.
6024 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6025 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6026 prepare_def_site_for): Use mark_block_for_update.
6027 (mark_def_interesting): Assert that the processed block is marked in
6028 blocks_to_update. Do not take blocks argument.
6029 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6031 (rewrite_update_init_block, rewrite_update_stmt): Only process
6032 blocks with statements to rewrite.
6033 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6034 (update_ssa): Initialize and free blocks_to_update. Do not
6035 clear flags on statements. Do not use blocks bitmap.
6036 * tree.h (SSA_NAME_AUX): Removed.
6037 (struct tree_ssa_name): Removed aux field.
6038 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6040 2006-05-15 Richard Guenther <rguenther@suse.de>
6042 PR tree-optimization/27603
6043 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6044 Do computations in original type.
6046 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6048 * see.c: Code style changes such as redundant paranthesis,
6049 redundant intialization of local variables etc.
6050 (see_main): Declared now as static.
6051 * doc/invoke.texi: Update that -fsee is not enabled by
6054 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6056 * omp-low.c (check_omp_nesting_restrictions): New function.
6057 (scan_omp_1): Call it.
6060 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6061 construct, return *VAR.
6063 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6065 PR rtl-optimization/27406
6066 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6069 2006-05-14 Roger Sayle <roger@eyesopen.com>
6071 PR rtl-optimization/27538
6072 * combine.c (expand_compound_operation): Call gen_lowpart
6073 before calling simplify_shift_const.
6075 2006-05-14 Roger Sayle <roger@eyesopen.com>
6077 PR rtl-optimization/22563
6078 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6079 a fixed width bitfield, always force the intermediates into psuedos.
6081 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6084 * mkconfig.sh: Use operator = instead of == for test.
6086 2006-05-13 Nick Clifton <nickc@redhat.com>
6088 * dwarf2out.c (dbx_reg_number): Check return value from
6089 LEAF_REG_REMAP and only use it if it is valid.
6090 (multiple_reg_loc_descriptor): Likewise.
6092 2006-05-13 Richard Guenther <rguenther@suse.de>
6094 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6097 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6099 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6100 information attached to non-INSNs such as NOTEs.
6101 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6103 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6105 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6107 * config/s390/s390.md: Adjust comment describing On constraint.
6109 2006-05-11 Jan Hubicka <jh@suse.cz>
6111 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6112 to be output at -O0.
6114 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6117 * fold-const.c (size_binop): Move sanity check for arguments to
6118 the beginning of the function.
6121 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6124 2006-05-11 Richard Guenther <rguenther@suse.de>
6127 * fold-const.c (fold_unary): Handle intermediate conversion
6128 to a pointer type like intermediate conversion to an integer
6129 type in folding of (T1)(T2)var to var.
6130 Match the code to the comment in the final conversion for
6131 (T1)(T2)var to (T1)var regarding to type precision. Rather
6132 than disallow T1 being of pointer type, assert that both T1
6133 and var are of pointer type or not. Make sure not to fall
6134 over the frontends lazyness wrt array to pointer decay though.
6136 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6138 * arm.c (arm_struct_value_rtx): Delete.
6139 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6140 (arm_init_cumulative_args): Always initialize nregs to zero.
6142 2006-05-10 Richard Guenther <rguenther@suse.de>
6144 PR tree-optimization/27532
6145 * tree-object-size.c (plus_expr_object_size): Fix typo.
6147 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6150 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6151 ashrdi_const, ashrdi3): Use a scratch register.
6153 2006-05-10 Richard Guenther <rguenther@suse.de>
6155 PR tree-optimization/27302
6156 * fold-const.c (operand_equal_p): For two comparisons,
6157 try comparison of one comparison code swapped if that yields
6160 2006-05-10 Ben Elliston <bje@au.ibm.com>
6162 * tree-pretty-print.c (pretty_print_string): No need to handle
6163 '\0' as a special character.
6165 * tree.h: Include "hashtab.h".
6166 (iterative_hash_expr): Use hashval_t in its prototype.
6167 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6169 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6172 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6173 (hppa*64*-*-hpux11*): Ditto.
6174 (hppa[12]*-*-hpux11*): Ditto.
6176 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6179 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6181 2006-05-09 Michael Matz <matz@suse.de>
6183 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6184 host_extra_gcc_objs and host_xmake_file.
6185 (<*-*-linux*>): Don't overwrite host_xmake_file.
6186 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6187 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6188 (host_detect_local_cpu): Declare.
6189 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6190 * config/i386/i386.c (override_options): Handle -mtune=native
6192 * config/i386/x-i386: New file.
6193 * config/i386/driver-i386.c: New file.
6194 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6197 2006-05-09 Dirk Mueller <dmueller@suse.de>
6198 Richard Guenther <rguenther@suse.de>
6201 * fold-const.c (fold_read_from_constant_string): Relax check
6202 for matching types to matching modes.
6204 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6206 PR rtl-optimization/27335
6207 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6210 2006-05-08 Chao-ying Fu <fu@mips.com>
6211 Richard Sandiford <richard@codesourcery.com>
6213 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6214 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6215 * config/mips/mips.md (UNSPEC_SCC): New constant.
6216 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6217 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6218 (mips_emit_compare): Use it.
6219 (mips_expand_vcondv2sf): New function.
6221 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6223 Fix PR tree-optimization/27093
6224 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6225 renaming when they become not-used_alone.
6227 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6229 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6230 relocation and relocation stubs.
6232 2006-05-08 Eric Christopher <echristo@apple.com>
6234 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6237 2006-05-08 Jan Hubicka <jh@suse.cz>
6240 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6241 unused static functions are needed.
6243 2006-05-08 Roger Sayle <roger@eyesopen.com>
6246 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6247 of a reg_equiv_constant if the result is a legitimate constant.
6249 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6252 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6253 standard 80387 constants, raise the cost to prevent
6254 compress_float_constant() to generate load from memory.
6256 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6258 * config/arm/constraints.md (c): Fix a typo.
6260 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6263 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6266 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6268 (_mm_mwait): Likewise.
6270 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6272 (sse3_monitor): Make it 32bit only.
6273 (sse3_monitor64): New. 64bit monitor.
6275 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6278 * config/i386/i386.c (classify_argument): Skip fields with invalid
6281 2006-05-07 Richard Guenther <rguenther@suse.de>
6283 PR tree-optimization/27409
6284 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6285 Do not try to find zero-sized subvars.
6287 2006-05-07 Richard Guenther <rguenther@suse.de>
6289 PR tree-optimization/27136
6290 * tree-ssa-loop-niter.c (get_val_for): Correct function
6291 comment, assert requirements.
6292 (loop_niter_by_eval): Stop processing if the iterated
6293 value did not simplify.
6295 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6297 * opts.c (flag_see): remove its setting at -O3.
6299 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6301 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6302 * arm/constraints.md: New file.
6303 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6304 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6305 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6306 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6307 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6308 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6309 * arm.md: Include constraints.md.
6310 (thumb_movsi_insn): Use satisfies_constraint_J.
6311 (movhi, movqi): Use satisfies_constraint_I.
6313 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6315 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6316 for atmeg a645 device.
6318 2006-05-06 Richard Guenther <rguenther@suse.de>
6320 PR tree-optimization/27151
6321 * tree-vect-transform.c (vectorizable_condition): Punt on
6322 values that have a different type than the condition.
6324 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6327 * c-parser.c (c_parser_cast_expression): Only insert casts into
6328 hash table if pointer.
6329 * function.c (used_types_insert_helper): Rename from
6331 (used_types_insert): Call used_types_insert_helper.
6332 * function.h (used_types_insert): Accept only one argument.
6334 2006-05-05 David Edelsohn <edesohn@gnu.org>
6336 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6337 scratch with output modifier.
6339 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6342 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6343 with output modifier.
6345 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6348 * config/mips/mips.c (mips_symbolic_address_p): Return true
6349 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6350 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6352 2006-05-04 Richard Guenther <rguenther@suse.de>
6354 PR tree-optimization/14287
6355 PR tree-optimization/14844
6356 PR tree-optimization/19792
6357 PR tree-optimization/21608
6358 PR tree-optimization/27090
6359 * tree-ssa-pre.c (try_combine_conversion): New function.
6360 (compute_avail): After constructing the value-handle
6361 expression, use try_combine_conversion to combine NOP_EXPRs
6362 with previous value-handle expressions and use the result if it
6365 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6367 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6369 2006-05-04 Jan Hubicka <jh@suse.cz>
6372 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6374 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6376 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6377 that this only matches CONST_INTs. All users changed to VOIDmode
6380 * config/bfin/bfin.c: Include "optabs.h".
6381 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6383 (enum bfin_builtins): Add a number of fractional and vector builtins.
6384 (bfin_init_builtins): Likewise.
6385 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6386 (safe_vector_operand, bfin_expand_binop_builtin,
6387 bfin_expand_unop_builtin): New functions.
6388 (bfin_expand_builtin): Handle the new builtins.
6389 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6392 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6395 * Makefile.in (OBJS-common): Add see.o.
6396 (see.o): Add dependencies.
6397 * common.opt (fsee): New flag for the see optimization was added.
6398 * opts.c (flag_see): Initialized.
6399 * passes.c (init_optimization_passes, pass_see): New pass.
6400 * rtl.h (see_main): Declaration as extern.
6401 * timevar.def (TV_SEE): New.
6402 * tree-pass.h (pass_see): Declaration as extern.
6403 * invoke.texi (-fsee): Document.
6404 * recog.c (validate_simplify_insn): New function.
6405 * recog.h (validate_simplify_insn): Declaration as extern.
6406 * df-problems.c (df_chain_dump): Check for NULL.
6408 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6409 Daniel Berlin <dberlin@dberlin.org>
6411 * cfgrtl.c (insert_insn_bb_end_new): New function.
6412 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6414 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6416 * df.h (struct web_entry): Moved from web.c.
6417 (union_defs): Declaration as extern.
6418 (unionfind_root): Likewise.
6419 (unionfind_union): Likewise.
6420 * web.c (struct web_entry): Moved to df.h.
6421 (unionfind_root): Remove static declaration.
6422 (unionfind_union): Likewise.
6423 (union_defs): Likewise and generalize to use callback function.
6424 (web_main): Update arguments for union_defs function call.
6426 2006-05-04 Richard Guenther <rguenther@suse.de>
6428 PR tree-optimization/26447
6429 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6430 produce SSA_NAME copies before the store stmt to avoid
6431 breaking exception handling.
6433 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6436 * gimplify.c (omp_is_private): If var is shared in some outer context,
6437 return false instead of true. Stop searching on parallel context
6440 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6443 * coverage.c: Use get_gcov_unsigned_t() instead of
6444 unsigned_type_node all over.
6446 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6448 PR tree-optimization/27381
6449 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6450 maintain the same immediate_use links.
6451 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6452 node rather than segfaulting.
6454 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6457 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6458 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6459 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6461 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6463 Fix PR tree-optimization/26626
6464 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6466 * tree-ssa-operands.c (access_can_touch_variable): Allow
6467 typecasting through union pointers.
6469 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6472 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6473 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6474 to find if var will be a global variable even in the nested context.
6475 (omp_copy_decl): Only check for global variable at the end, it might
6476 be overridden in outer contexts.
6477 (scan_sharing_clauses): For global variables don't create a field.
6478 (lower_rec_input_clauses): Do nothing for global shared variables.
6479 Emit a barrier at the end of ILIST if there were any decls in both
6480 firstprivate and lastprivate clauses.
6481 (lower_send_clauses): Do nothing for global variables except for
6484 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6486 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6487 of the correct signedness is returned.
6489 2006-05-02 Jeff Law <law@redhat.com>
6491 PR tree-optimization/27364
6492 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6493 multiply expressions.
6495 2006-05-02 Tom Tromey <tromey@redhat.com>
6497 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6499 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6502 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6503 -mthumb -fPIC are used.
6505 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6506 Joshua Kinard <kumba@gentoo.org>
6509 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6510 with 64-bit pointers.
6512 2006-05-02 Paul Brook <paul@codesourcery.com>
6514 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6516 (create_fix_barrier): Check that a suitable barrier location is
6518 (arm_reorg): Include ftmp->address in allowable range of addresses.
6520 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6523 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6526 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6529 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6530 around RESULT_DECL for result passed by reference.
6531 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6532 * omp-low.c (use_pointer_for_field): Don't look at
6533 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6534 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6535 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6536 time or var for passing by reference for
6537 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6538 TREE_ADDRESSABLE variables when passing by reference.
6540 * omp-low.c (dump_omp_region): Fix output formatting.
6543 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6544 (expand_omp_parallel): Likewise.
6545 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6548 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6549 on statement list containing also constructors and destructors.
6550 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6553 * except.c (duplicate_eh_regions): Fix clearing of
6554 cfun->eh->region_array entries.
6556 2006-05-01 DJ Delorie <dj@redhat.com>
6558 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6560 (gcc_cv_objdump): Likewise.
6561 * configure: Regenerated.
6563 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6566 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6567 templates for case 3 and 4.
6569 2006-05-01 DJ Delorie <dj@redhat.com>
6571 * vec.c: Include bconfig.h when appropriate.
6572 * Makefile.in (build/vec.o): Adjust dependencies.
6573 * mkconfig.sh: Make sure config.h isn't used for build machine
6576 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6578 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6580 (mark_phi_for_rewrite): New function.
6581 (insert_phi_nodes_for, mark_use_interesting): Call
6582 mark_phi_for_rewrite.
6583 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6584 (update_ssa): Initialize and free phis_to_rewrite.
6586 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6588 PR rtl-optimization/27291
6589 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6590 folded to a constant.
6592 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6594 PR tree-optimization/27283
6595 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6596 not whole # of iteration descriptions.
6597 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6598 uses abnormal ssa name.
6599 (niter_for_single_dom_exit): Ditto.
6600 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6601 return just the number of iterations.
6603 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6605 PR tree-optimization/27144
6606 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6607 (record_estimate): Only record constant upper bound.
6608 (infer_loop_bounds_from_undefined): Call
6609 compute_estimated_nb_iterations just once.
6610 (proved_non_wrapping_p): Renamed to ...
6611 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6612 (convert_step_widening, scev_probably_wraps_p): Call
6613 n_of_executions_at_most instead of proved_non_wrapping_p.
6614 (substitute_in_loop_info): Do not replace values in bounds.
6615 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6618 2006-05-01 Richard Henderson <rth@redhat.com>
6621 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6622 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6625 2006-05-01 Roger Sayle <roger@eyesopen.com>
6627 * c-typeck.c (parser_build_binary_op): Don't call the function
6628 unsigned_conversion_warning to spot operand/result type overflow.
6629 (build_binary_op): Instead, call convert_and_check instead of
6630 convert to report the problem when the operands are promoted.
6631 * c-common.c (unsigned_conversion_warning): Make static.
6632 * c-common.h (unsigned_conversion_warning): Delete prototype.
6634 2006-05-01 Richard Guenther <rguenther@suse.de>
6636 PR tree-optimization/26726
6637 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6639 (find_interesting_uses_address): ... we work around here
6640 by folding INDIRECT_REFs in the substituted base.
6642 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6644 * omp-low.c (dump_omp_region): Add newlines.
6646 2006-04-30 Roger Sayle <roger@eyesopen.com>
6648 * common.opt (Woverflow): New command line option.
6649 * c-common.c (constant_expression_warning): Check warn_overflow.
6650 (overflow_waring): Pass OPT_Woverflow to warning.
6651 (unsigned_conversion_warning): Likewise.
6652 (convert_and_check): Likewise.
6653 * doc/invoke.texi: Document new command line option.
6655 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6657 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6658 TARGET_NO_FP_IN_TOC for section anchors.
6659 (optimization_options): Enable section anchors for all
6660 non-"Objective" languages.
6662 2006-04-28 Eric Christopher <echristo@apple.com>
6664 * config/darwin-c.c (darwin_ms_struct): Move this
6665 (darwin_set_default_type_attributes): and this...
6666 * config/darwin.c: ... here.
6667 * config/darwin.h (darwin_ms_struct): Declare.
6669 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6671 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6673 2006-04-28 Roger Sayle <roger@eyesopen.com>
6676 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6677 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6678 an unsigned HOST_WIDE_INT.
6679 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6681 (really_start_incremental_init): No need to call convert because
6682 bitsize_zero_node is already of type bitsizetype.
6683 (push_init_level): Extract the value of constructor_index as an
6684 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6685 (process_init_element): Likewise.
6687 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6689 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6690 value before passing to make_relative_prefix.
6692 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6695 * builtins.c (expand_builtin_memset): Expand val in original mode.
6697 2006-04-27 Eric Christopher <echristo@apple.com>
6699 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6700 with #ifndef/#endif.
6701 * config/darwin-c.c (darwin_ms_struct): New.
6702 (darwin_pragma_ms_struct): Ditto.
6703 (darwin_set_default_type_attributes): Ditto.
6704 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6705 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6706 Register ms_struct pragma.
6707 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6708 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6709 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6710 darwin_set_default_type_attributes if TARGET_MACHO.
6712 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6714 PR tree-optimization/26854
6715 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6716 * doc/tree-ssa.texi: Update immuse iterator documentation.
6717 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6718 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6719 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6720 first_safe_imm_use, next_safe_imm_use): Remove.
6721 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6722 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6723 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6724 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6725 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6726 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6727 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6728 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6729 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6730 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6731 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6732 (perfect_nestify): Use new iterator.
6733 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6735 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6736 (next_imm_name): New field in struct immediate_use_iterator_d.
6737 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6738 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6739 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6740 * tree-cfg.c (replace_uses_by): Use new iterator.
6741 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6742 * tree-ssa-operands.c (correct_use_link): Remove.
6743 (finalize_ssa_use_ops): No longer call correct_use_link.
6745 2006-04-27 Stuart Hastings <stuart@apple.com>
6747 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6748 * config/t-darwin (crt3.o): Use it.
6749 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6750 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6751 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6752 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6753 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6756 2006-04-27 Roger Sayle <roger@eyesopen.com>
6758 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6759 size, force the intermediate into a new pseudo rather instead of
6760 performing both a bitwise AND and a bitwise IOR in memory.
6762 2006-04-27 Richard Guenther <rguenther@suse.de>
6764 PR rtl-optimization/26685
6765 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6766 this one "max-flow-memory-locations".
6768 2006-04-27 Richard Guenther <rguenther@suse.de>
6770 PR tree-optimization/25148
6771 * tree-vrp.c (compare_values): Remove code dealing with
6772 comparisons against type min/max value. Honour overflow
6773 and negative constants in code dealing with comparisons
6774 of plus and minus expressions.
6775 (value_inside_range): Use fold_binary with LE_EXPR and
6776 GE_EXPR rather than compare_values.
6778 2006-04-27 Dirk Mueller <dmueller@suse.de>
6780 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6783 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6785 * basic-block.h (safe_insert_insn_on_edge): Removed.
6786 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6788 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6789 Paolo Bonzini <bonzini@gnu.org>
6792 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6793 (simplify_and_const_int): Same.
6795 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6797 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6799 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6802 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6803 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6804 cgraph_global_info_ready.
6807 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6810 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6811 either decl or init is error_mark_node.
6814 * tree-flow.h (struct omp_region): Add sched_kind.
6815 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6816 instead of extracting omp for data.
6817 (expand_omp_for): Save extracted sched_kind.
6819 2006-04-25 Roger Sayle <roger@eyesopen.com>
6821 * expmed.c (store_bit_field): Also check whether the bitsize is
6822 valid for the machine's "insv" instruction before moving the
6823 target into a pseudo for use with the insv.
6824 * config/i386/predicates.md (const8_operand): New predicate.
6825 * config/i386/i386.md (extv, extzv, insv): Use the new
6826 const8_operand predicate where appropriate.
6828 2006-04-25 DJ Delorie <dj@redhat.com>
6830 * doc/install.texi (Specific): Clarify that this is not a list of
6831 supported hosts or targets.
6833 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6835 PR rtl-optimization/26725
6836 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6837 block's BB_DIRTY flag.
6839 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6841 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6844 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6845 to print an integer.
6847 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6849 * varasm.c (align_variable): New function.
6850 (get_block_for_decl): Apply align_variable to DECL before
6851 calculating section information.
6852 (assemble_variable): Split out alignment computation.
6854 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6856 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6859 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6861 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6862 MODE_PARTIAL_INT mode.
6863 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6864 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6866 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6867 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6869 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6871 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6873 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6874 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6875 MACFLAG_IH): Likewise.
6876 (movstricthi_1): Renamed from "*movstricthi".
6877 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6878 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6879 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6880 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6881 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6882 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6883 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6884 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6885 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6886 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6887 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6888 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6889 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6890 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6891 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6893 * doc/rtl.texi (ss_ashift): Improve wording.
6895 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6897 * dwarf2out.c (verify_marks_clear): New.
6898 (prune_unused_types): Call verify_marks_clear initially, not
6901 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6903 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6904 * doc/rtl.texi: Document them.
6905 * simplify-rtx.c (simplify_unary_operation,
6906 simplify_binary_operation_1): Don't abort when we see them.
6908 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6911 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6912 * configure.ac: Completely disregard languages that are not
6914 * configure: Regenerated.
6916 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6917 Richard Guenther <rguenther@suse.de>
6919 PR tree-optimization/27236
6920 * tree-inline.c (copy_body_r): Make sure to copy
6921 TREE_THIS_VOLATILE flag.
6923 2006-04-24 Richard Guenther <rguenther@suse.de>
6926 * tree-complex.c (update_parameter_components): Don't handle
6927 unused parameters which have no default def.
6929 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6930 Richard Guenther <rguenther@suse.de>
6932 PR tree-optimization/27218
6933 * tree-inline.c (expand_call_inline): Strip useless type
6934 conversions for the return slot address.
6936 2006-04-24 Richard Guenther <rguenther@suse.de>
6938 * cfgloop.h (struct loops): Remove unused field array. Reorder
6940 (LOOP_PREFETCH): Remove.
6942 2006-04-24 Richard Guenther <rguenther@suse.de>
6944 PR tree-optimization/22525
6945 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6946 variable, adjust types of generated expressions.
6948 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6950 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6951 (tree-vect-patterns.o): Likewise.
6953 (cselib.o): Likewise.
6954 (loop-doloop.o): Likewise.
6955 (regclass.o): Likewise.
6956 (reload1.o): Likewise.
6957 (explow.o): Replace target.h with $(TARGET_H).
6958 (ipa-prop.o): Likewise.
6959 (ipa-cp.o): Likewise.
6960 (ipa-inline.o): Likewise.
6961 (reorg.o): Likewise.
6962 (reg-stack.o): Likewise.
6964 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6966 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6968 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6970 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6972 * configure.ac: Completely disregard languages that are not
6974 * configure: Regenerated.
6977 * c-common.h (c_build_bitfield_integer_type): Declare.
6978 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6979 * c-common.c (c_build_bitfield_integer_type): ... here.
6981 2006-04-23 Roger Sayle <roger@eyesopen.com>
6984 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6985 a SImode SUBREG of a floating point register after no_new_pseudos.
6987 2006-04-23 Roger Sayle <roger@eyesopen.com>
6989 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6990 identify potentially eliminable registers to additionally catch
6991 VIRTUAL_INCOMING_ARGS_REGNUM.
6992 (addsi3): Update the conditions on when to use addsi_small_int.
6994 2006-04-23 Roger Sayle <roger@eyesopen.com>
6997 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6998 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6999 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7001 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7003 * fold-const.c (range_predecessor): Use operand_equal_p
7004 as the predicate for equality.
7005 (range_successor): Likewise.
7007 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7010 * config/soft-fp/op-common.h: Fix a typo.
7012 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7015 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7016 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7018 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7020 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7022 * doc/tm.texi: Fix a typo.
7024 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7026 * dwarf2out.c (struct die_struct): Document that die_sib makes
7027 a circular linked list.
7028 (FOR_EACH_CHILD): New.
7029 (reverse_die_lists): Delete.
7030 (reverse_all_dies): Delete.
7031 (add_dwarf_attr): Correct documentation.
7032 (remove_child_with_prev): New.
7033 (remove_child_TAG): Update for change to die_struct, use
7034 remove_child_with_prev.
7035 (add_child_die): Update for change to die_struct.
7036 (splice_child_die): Use remove_child_with_prev and add_child_die.
7037 (print_die): Use FOR_EACH_CHILD.
7038 (die_checksum): Likewise.
7039 (assign_symbol_names): Likewise.
7040 (output_location_lists): Likewise.
7041 (build_abbrev_table): Likewise.
7042 (calc_die_sizes): Likewise.
7043 (mark_dies): Likewise.
7044 (unmark_dies): Likewise.
7045 (unmark_all_dies): Likewise.
7046 (output_die): Likewise.
7047 (prune_unused_types_mark): Likewise.
7048 (prune_unused_types_walk): Likewise.
7049 (same_die_p): Update for change to die_struct.
7050 (break_out_includes): Likewise.
7051 (prune_unused_types_prune): Likewise.
7052 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7053 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7055 (dwarf2out_finish): Don't call reverse_all_dies.
7057 2006-04-21 Eric Christopher <echristo@apple.com>
7059 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7060 in comments and function names.
7062 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7065 * c-typeck.c (digest_init): Robustify.
7067 * c-typeck.c (pop_init_level): Simplify.
7069 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7071 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7073 2006-04-21 Paul Brook <paul@codesourcery.com>
7075 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7076 hardware floating point.
7078 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7080 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7083 2006-04-21 Nick Clifton <nickc@redhat.com>
7085 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7088 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7091 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7092 C++ lang type in traceback table for Objective-C++.
7094 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7096 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7098 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7100 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7103 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7104 were errors. Remove check for erroneous objects.
7106 2006-04-20 Jeff Law <law@redhat.com>
7108 PR tree-optimization/26854
7109 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7110 checking for zero or one use.
7111 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7112 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7113 * tree-ssa-reassoc.c (negate_value): Similarly.
7114 (reassociate_bb): Similarly.
7116 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7118 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7119 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7120 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7122 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7124 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7125 fp regs if the last fp arg doesn't fit in regs.
7127 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7130 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7131 that the last insn has the REG_INC note.
7133 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7134 Nathan Sidwell <nathan@codesourcery.com>
7137 * stor-layout.c (update_alignment_for_field): Do not align
7139 (place_union_field): Place union field at the start of the union.
7140 (place_field): Move ERROR_MARK check later, and use the current
7141 allocation position to maintain monotonicity.
7143 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7145 * dominance.c: Include timevar.h.
7146 (calculate_dominance_info): Use TV_DOMINANCE.
7147 * timevar.def (TV_DOMINANCE): New timevar.
7148 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7150 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7152 PR rtl-optimization/14261
7153 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7154 move would be an INSV insn.
7155 (noce_process_if_block): Don't optimize if the destination is a
7156 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7158 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7160 * config/s390/s390.md: Add comments with the instructions emitted
7161 by an insn pattern if macros are used.
7163 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7165 PR rtl-optimization/26026
7166 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7167 is a known power of two shifted left a variable amount.
7169 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7171 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7172 to hash table twice when the debug_str section has SECTION_MERGE.
7174 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7176 * config/soft-fp: New directory. From glibc.
7177 * config/soft-fp/t-softfp: New.
7178 * config/soft-fp/README: New.
7179 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7180 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7181 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7182 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7183 * config.gcc: Use rs6000/t-fprules-fpbit or
7184 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7186 * config/rs6000/sfp-machine.h: New. Based on glibc.
7187 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7189 * config/rs6000/t-fprules: Remove fp-bit rules.
7190 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7191 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7192 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7193 (softfp_wrap_start, softfp_wrap_end): New.
7195 2006-04-18 DJ Delorie <dj@redhat.com>
7197 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7199 2006-04-18 Devang Patel <dpatel@apple.com>
7201 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7203 2006-04-18 Nick Clifton <nickc@redhat.com>
7205 * config/sh/t-symbian: Add rule to build sh-c.o
7206 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7207 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7208 (sh_symbian_encode_section_info): Likewise.
7210 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7212 * builtins.c (expand_builtin_strcmp): Cover label definition of
7213 do_libcall with HAVE_cmpstrnsi.
7215 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7217 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7219 * function.h (temp_slot_p): New.
7220 (function): Change the type of x_used_temp_slots to
7221 VEC(temp_slot_p,gc) *.
7223 2006-04-18 Nick Clifton <nickc@redhat.com>
7225 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7226 flag_strength_reduce.
7228 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7230 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7234 Partial revert of revision 112637
7235 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7236 Dale Johannesen <dalej@apple.com>
7239 * regclass.c (struct reg_pref): Update documentation.
7240 (regclass): Set prefclass to NO_REGS if memory is the best option.
7241 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7243 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7245 PR tree-optimization/26821
7246 * tree-ssa-math-opts.c (get_constant_one): New.
7247 (insert_reciprocals): Use it.
7249 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7251 * dwarf2out.c (free_AT): Delete.
7252 (remove_AT): Update string ref counts.
7253 (remove_child_TAG): Don't call free_die.
7255 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7256 or DW_TAG_GNU_EINCL.
7257 (prune_unused_types_walk_attribs): Reset string refcounts.
7258 (prune_unused_types_update_strings): New.
7259 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7260 call free_die. Do call prune_unused_types_update_strings.
7261 (prune_unused_types): Empty debug_str_hash.
7263 2006-04-17 Roger Sayle <roger@eyesopen.com>
7265 * expr.c (expand_assignment): Optimize away no-op moves where the
7266 source and destination are equal and have no side-effects.
7268 2006-04-17 Richard Guenther <rguenther@suse.de>
7271 * reload.c (push_reload): Guard calls to get_secondary_mem
7274 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7276 * alias.c (reg_base_value, old_reg_base_value): Change the
7277 type to VEC(rtx,gc) *.
7278 (REG_BASE_VALUE, find_base_value, record_set,
7279 init_alias_analysis): Use VEC instead of VARRAY.
7281 * alias.c (alias_sets): Change the type to
7282 VEC(alias_set_entry,gc) *.
7283 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7284 VEC instead of VARRAY.
7285 (last_alias_set): Remove.
7287 * cgraph.h (cgraph_edge_p): New.
7288 Update the prototype of cgraph_function_versioning.
7289 * cgraphunit.c (cgraph_copy_node_for_versioning,
7290 cgraph_function_versioning): Use VEC instead of VARRAY.
7291 * ipa-cp.c (ipcp_insert_stage): Likewise.
7293 2006-04-16 Roger Sayle <roger@eyesopen.com>
7296 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7297 "A op B" or "A op C", we may need to convert A to the type of B and C.
7299 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7301 * target.h (struct gcc_target): Add mode_rep_extended.
7302 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7303 (init_num_sign_bit_copies_in_rep): Initialize it using
7305 (truncate_to_mode): Use it.
7306 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7307 * targhooks.h (default_mode_rep_extended): Declare it.
7308 * targhooks.c (default_mode_rep_extended): Define it.
7309 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7310 default_mode_rep_extended.
7311 (TARGET_INITIALIZER): Include it.
7312 * doc/tm.texi (Misc): Document it.
7313 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7314 (mips_truncated_to_mode): New function.
7316 2006-04-16 Roger Sayle <roger@eyesopen.com>
7319 * expr.c (compress_float_constant): Copy the narrow constant into
7320 a new pseudo before extending it to its final width.
7322 2006-04-16 Roger Sayle <roger@eyesopen.com>
7323 Andrew Pinski <pinskia@gcc.gnu.org>
7324 Dale Johannesen <dalej@apple.com>
7327 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7328 special case code to implement V8HImode and V16QImode with SSE2.
7330 2006-04-15 Roger Sayle <roger@eyesopen.com>
7332 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7333 trees are constructed with a suitable tree type.
7335 2006-04-15 Roger Sayle <roger@eyesopen.com>
7337 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7338 (integer_onep): Likewise.
7339 (integer_all_onesp): Likewise.
7340 (integer_pow2p): Likewise.
7341 (integer_nonzerop): Likewise.
7342 (real_zerop): Likewise.
7343 (real_onep): Likewise.
7344 (real_twop): Likewise.
7345 (real_minus_onep): Likewise.
7346 (int_size_in_bytes): Likewise.
7347 (host_integerp): Likewise.
7349 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7351 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7352 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7353 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7355 * tree-ssa-structalias.h (alias_info): Remove num_references.
7357 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7359 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7360 (output_bvb patterns): Likewise.
7361 * pa.c (output_bb): Use 'bb' insn for long branch case.
7362 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7363 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7364 1. Correct length operand for alternatives 1 and 2.
7365 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7366 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7368 2006-04-14 Roger Sayle <roger@eyesopen.com>
7370 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7371 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7372 were accidentally reverted by r112959.
7374 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7377 * except.h (eh_region_outermost): New prototype.
7378 * except.c (eh_region_outermost): New function.
7379 * tree-cfg.c (find_outermost_region_in_block): Use it.
7381 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7383 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7385 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7386 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7387 (init_reload, reload): Use VEC instead of VARRAY.
7388 * reload.h: Update the prototype for
7389 reg_equiv_memory_loc_varray.
7391 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7392 Eric Botcazou <ebotcazou@libertysurf.fr>
7394 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7397 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7400 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7401 to expand fallback builtin function call.
7403 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7406 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7407 and emit libcall here in case the builtin fails.
7408 (expand_builtin_strcmp): Always emit the libcall here on failure.
7410 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7412 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7413 * flow.c (reg_n_info): Change the type to
7414 VEC(reg_info_p,heap) *.
7415 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7417 * regs.h (reg_info_p): New.
7418 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7419 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7420 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7423 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7425 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7427 * params.h (MAX_SCHED_READY_INSNS): New macro.
7428 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7429 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7430 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7431 the ready list for 1 cycle during the first scheduling pass.
7432 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7434 2006-04-13 Richard Henderson <rth@redhat.com>
7437 * gimple-low.c (lower_omp_directive): Remove dead code.
7438 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7439 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7440 * omp-low.c (struct omp_region): Move to tree-flow.h.
7441 (root_omp_region): Export.
7442 (omp_regions, lookup_omp_region): Remove.
7443 (determine_parallel_type): Update for struct omp_region changes.
7444 (dump_omp_region): Dump regions with block numbers.
7445 (new_omp_region): Take type and block instead of stmt; malloc
7447 (free_omp_region_1, free_omp_regions): New.
7448 (expand_parallel_call): Take entry_stmt as argument; update for
7449 changes to omp_region.
7450 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7451 (remove_exit_barriers): New.
7452 (expand_omp_parallel): Update for struct omp_region changes.
7453 (expand_omp_synch): Likewise.
7454 (expand_omp): Likewise.
7455 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7456 (expand_omp_for_static_chunk): Likewise.
7457 (expand_omp_for): Likewise.
7458 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7459 (expand_omp_sections): Similarly, with GOMP_sections_end.
7460 (expand_omp_single): New.
7461 (build_omp_regions_1): Update for OMP_CONTINUE.
7462 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7463 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7464 OMP_SECTIONS_SECTIONS.
7465 (lower_omp_single_simple): Don't emit barrier here.
7466 (lower_omp_single_copy): Likewise.
7467 (lower_omp_single): Fix bindings, and lower to straightline now.
7468 (lower_omp_master, lower_omp_ordered): Likewise.
7469 (lower_omp_critical): Likewise.
7470 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7471 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7472 omp edges, free it afterward.
7473 (make_omp_sections_edges): Remove.
7474 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7475 (move_stmt_r): Handle OMP_CONTINUE.
7476 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7477 statement pointers to basic blocks. Add type member.
7478 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7479 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7480 * tree-inline.c (estimate_num_insns_1): Likewise.
7481 * tree-pretty-print.c (dump_generic_node): Likewise.
7482 * tree-ssa-operands.c (get_expr_operands): Likewise.
7483 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7484 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7485 (OMP_CONTINUE): New.
7486 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7487 (OMP_SECTIONS_SECTIONS): Remove.
7488 (OMP_SECTION_LAST): New.
7489 (OMP_RETURN_NOWAIT): New.
7491 2006-04-13 Roger Sayle <roger@eyesopen.com>
7493 * fold-const.c (native_encode_vector, native_interpret_real):
7494 Correct obvious mistakes in the previous check-in.
7496 2006-04-13 Roger Sayle <roger@eyesopen.com>
7498 * fold-const.c (native_encode_expr): New function to encode
7499 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7500 or VECTOR_CST into a specified buffer.
7501 (native_encode_int): New function.
7502 (native_encode_real): New function.
7503 (native_encode_complex): New function.
7504 (native_encode_vector): New function.
7505 (native_interpret_expr): Inverse of native_encode_expr to convert
7506 a target representation into an INTEGER_CST, REAL_CST etc...
7507 (native_interpret_int): New function.
7508 (native_interpret_real): New function.
7509 (native_interpret_complex): New function.
7510 (native_interpret_vector): New function.
7511 (fold_view_convert_expr): New function to constant fold/evaluate
7512 a VIEW_CONVERT_EXPR of a suitable constant expression.
7513 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7514 Change call of build1 to fold_build1 when constructing a
7517 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7518 Ulrich Weigand <uweigand@de.ibm.com>
7521 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7524 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7527 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7528 optimize to lo_sum for DFmode if !TARGET_FPRS.
7530 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7532 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7533 delete_alias_info, compute_flow_sensitive_aliasing,
7534 group_aliases): Use VEC instead of VARRAY.
7535 * tree-ssa-structalias.c (update_alias_info): Likewise.
7536 * tree-ssa-structalias.h (alias_info): Change the type of
7537 processed_ptrs to VEC(tree,heap) *.
7539 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7542 * config/sh/lib1funcs.h: New file, broken out of:
7543 * config/sh/lib1funcs.asm.
7544 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7546 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7547 * config/sh/lib1funcs-Os-4-200.asm: New file.
7548 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7549 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7550 (EXTRA_MULTILIB_PARTS): Include it.
7551 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7552 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7553 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7554 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7557 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7559 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7560 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7561 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7563 * tree-ssa-live.h: Include vecprim.h.
7564 (tree_partition_associator_d): Change the type of
7565 first_partition to VEC(int,heap) *.
7566 (tpa_first_partition): Use VEC instead of VARRAY.
7568 * Makefile.in (GTFILES): Move functions.h after tree.h.
7569 * function.c (reset_block_changes, record_block_change,
7570 check_block_change, free_block_changes): Use VEC instead of
7572 * function.h (function): Change the type of
7573 ib_boundaries_block to VEC(tree,gc) *.
7574 * tree-inline.c (copy_cfg_body): Initialize
7575 ib_boundaries_block to NULL instead of (varray_type) 0.
7577 2006-04-12 Roger Sayle <roger@eyesopen.com>
7579 * expr.c (emit_group_store): Correct operand order in call to
7580 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7581 a SUBREG_BYTE of zero.
7583 2006-04-12 Richard Guenther <rguenther@suse.de>
7585 * profile.c (compute_branch_probabilities): Remove code
7586 encapsulated in !ir_type (), which are remanents of the
7587 removed RTL profiling code.
7588 * rtl-profile.c: Remove.
7590 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7592 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7593 magic NULL_RTX comment.
7594 (function_arg): Store entire fp arg to mem if any part should go
7596 (rs6000_arg_partial_bytes): Adjust for above change.
7598 2006-04-11 Roger Sayle <roger@eyesopen.com>
7600 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7601 if it hasn't been initialized by dwarf2out_init.
7603 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7605 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7606 symbolic constants in branch patterns.
7608 2006-04-11 Roger Sayle <roger@eyesopen.com>
7610 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7612 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7614 PR rtl-optimization/27073
7615 * gcse.c (try_replace_reg): Revert last change. Continue to search
7616 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7619 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7621 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7622 aggregate types other than record and union types.
7623 (function_arg): Likewise.
7624 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7626 (function_value): In 64-bit mode, return objects that require it
7629 2006-04-11 Roger Sayle <roger@eyesopen.com>
7631 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7633 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7635 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7637 2006-04-03 Jeff Law <law@redhat.com>
7640 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7641 alias information too.
7643 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7645 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7647 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7650 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7651 (premark_used_types_helper): New.
7652 (premark_used_types): New.
7653 (gen_subprogram_die): Call premark_used_types.
7654 (prune_unused_types_walk): Do not prune perennial dies.
7655 * function.c (used_types_insert): New.
7656 * function.h (struct function): Add used_types_hash field.
7657 (used_types_insert): Add prototype.
7658 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7659 * c-parser.c (c_parser_cast_expression): Save casted types in used
7662 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7665 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7666 rs6000_explicit_options.float_gprs.
7668 2006-04-10 Roger Sayle <roger@eyesopen.com>
7670 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7671 from ix86_expand_vector_init_low_nonzero. Take an additional
7672 one_var argument indicating which element is non-zero. Support
7673 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7674 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7675 with one_var instead of ix86_expand_vector_init_low_nonzero.
7677 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7679 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7680 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7681 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7682 build/genextract.o): Depend on vecprim.h.
7683 * cfglayout.c, df-problems.c, function.c, genextract.c,
7684 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7685 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7689 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7691 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7692 Declare VECs of this type.
7693 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7694 (remove_children): Delete.
7695 (add_dwarf_attr): Use VEC routines.
7696 (add_AT_flag): Update for changes to add_dwarf_attr.
7697 (add_AT_int): Likewise.
7698 (add_AT_unsigned): Likewise.
7699 (add_AT_long_long): Likewise.
7700 (add_AT_vec): Likewise.
7701 (add_AT_string): Likewise.
7702 (add_AT_die_ref): Likewise.
7703 (add_AT_fde_ref): Likewise.
7704 (add_AT_loc): Likewise.
7705 (add_AT_loc_list): Likewise.
7706 (add_AT_addr): Likewise.
7707 (add_AT_lbl_id): Likewise.
7708 (add_AT_lineptr): Likewise.
7709 (add_AT_macptr): Likewise.
7710 (add_AT_offset): Likewise.
7711 (add_AT_range_list): Likewise.
7712 (get_AT): Use VEC_iterate.
7713 (remove_AT): Use VEC_ordered_remove.
7714 (free_die): Fold remove_children into here; have it use VEC_iterate.
7715 (print_die): Use VEC_iterate on attrs.
7716 (reverse_die_lists): Don't reverse attr lists.
7717 (die_checksum): Use VEC_iterate on attrs.
7718 (same_die_p): Likewise.
7719 (output_location_lists): Likewise.
7720 (build_abbrev_table): Likewise.
7721 (size_of_die): Likewise.
7722 (unmark_all_dies): Likewise.
7723 (output_abbrev_section): Likewise.
7724 (output_die): Likewise.
7725 (prune_unused_types_walk_attribs): Likewise.
7727 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7729 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7731 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7734 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7736 2006-04-09 Roger Sayle <roger@eyesopen.com>
7738 * expr.c (store_constructor): Don't bother clearing target if
7739 we're about to assign a vector to it using vec_init_optab.
7741 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7743 * tree-ssa-alias.c (lhs_may_store_to): New function.
7744 (recalculate_used_alone): Handle LHS of calls.
7746 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7750 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7751 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7752 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7753 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7754 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7755 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7756 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7757 stubs. Add ".align 8" directives before all ".dword" directives.
7758 (GTHREAD_USE_WEAK): Revise comment.
7759 (TARGET_ATTRIBUTE_WEAK): Define.
7760 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7761 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7762 * stublib.c: New file.
7767 * pa.md (cbranch patterns): Revise arguments used in calls to
7768 output_cbranch, output_bb and output_bvd. Add long branch length
7770 (fbranch patterns): Handle long branches.
7771 (jump): Revise length check. Revise arguments for output_lbranch call.
7772 Add long branch length attributes.
7773 (decrement_and_branch_until_zero): Add long branch length attributes.
7774 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7775 Likewise. Revise arguments for output_parallel_addb and
7776 output_parallel_movb calls.
7777 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7778 output_parallel_movb and output_parallel_addb): Update prototypes.
7779 * pa.c (output_cbranch): Revise arguments. Correct handling of
7780 nullification in long branches.
7781 (output_lbranch): Add new argument to control extraction of delay
7783 (output_bb): Handle long branches.
7784 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7785 output_parallel_addb): Likewise.
7787 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7789 PR rtl-optimization/27073
7790 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7793 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7795 * tree.h (tree_memory_tag): Add old_used_alone.
7796 (SMT_OLD_USED_ALONE): New macro.
7797 * tree-ssa-alias.c (recalculate_used_alone): Stop
7798 marking things for renaming unnecessarily.
7800 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7802 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7803 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7804 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7805 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7806 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7807 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7808 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7809 spelling convensions.
7810 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7811 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7812 typos. Follow spelling conventions.
7814 2006-04-07 DJ Delorie <dj@redhat.com>
7816 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7817 passed on the stack.
7818 (m32c_init_cumulative_args): When a function returns a structure,
7819 always pass the pointer to that return area on the stack.
7820 (m32c_function_arg_advance): Don't increment the parameter number
7821 if we're processing the returned structure pointer.
7822 (pushm_info): Reverse order of registers.
7824 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7826 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7827 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7828 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7829 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7831 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7832 chrec_fold_multiply): Same.
7833 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7834 force_expr_to_var_cost): Same.
7835 * tree-mudflap.c (mf_xform_derefs_1): Same.
7836 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7838 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7840 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7841 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7844 2006-04-07 Jan Hubicka <jh@suse.cz>
7846 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7848 2006-04-07 Richard Guenther <rguenther@suse.de>
7850 PR tree-optimization/26135
7851 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7852 loads for store copy-prop.
7853 (copy_prop_visit_stmt): Likewise.
7855 2006-04-05 Robert Millan <robertmh@gnu.org>
7857 * config/i386/linux.h: Add a comment to mark macros that are
7858 being overriden in config/k*bsd-gnu.h.
7859 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7861 * config/knetbsd-gnu.h: Ditto.
7863 2006-04-06 Jan Hubicka <jh@suse.cz>
7867 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7870 2006-04-06 Mike Stump <mrs@apple.com>
7872 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7873 for HAVE_nonlocal_goto to be consistent.
7874 (expand_builtin_nonlocal_goto): Likewise.
7875 (expand_builtin_strcmp): Use #ifdef instead of #if
7876 for HAVE_cmpstrnsi to be consistent.
7878 2006-04-05 DJ Delorie <dj@redhat.com>
7880 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7883 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7885 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7886 got-relative addressing for anything but SImode.
7888 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7889 even if the calling function doesn't modify them.
7891 2006-04-05 Richard Guenther <rguenther@suse.de>
7893 PR tree-optimization/26919
7894 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7895 to cgraph_estimate_size_after_inlining.
7897 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7899 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7901 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7903 PR tree-optimization/26996
7904 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7905 VECTOR_TYPE variables.
7907 2006-04-05 Richard Guenther <rguenther@suse.de>
7909 PR tree-optimization/26763
7910 * fold-const.c (fold_comparison): Move folding of
7911 PTR + CST CMP PTR + CST ...
7912 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7914 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7916 * doc/install.texi (Prerequisites): Refine some wording on
7917 bootstrapping and ksh.
7918 Move the version numbers of DejaGnu here from the testing section
7919 and fix casing of names.
7920 Fix markup and clarify wording for autogen requirements.
7921 Refer to GCJ instead of just java.
7922 Refer to SVN instead of CVS.
7923 Describe diffutils as useful instead of necessary.
7924 (Downloading the source): Refer to SVN instead of CVS.
7925 Adjust a link to our web site accordingly.
7926 (Configuration): Fix casing of Bison.
7927 (Building): Refer to SVN instead of CVS.
7928 Fix a sentence on the use of Bison and remove duplicate (and
7929 incorrect) version number of Bison requirement.
7930 Remove one redundant list of packages needed for building.
7931 (Specific): Avoid reference to CVS.
7933 2006-04-04 Eric Christopher <echristo@apple.com>
7935 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7936 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7937 (rs6000_handle_struct_attribute): New.
7938 (rs6000_ms_bitfield_layout_p): Ditto.
7940 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7942 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7943 NULL for dso parameter to atexit_common.
7945 2006-04-04 Eric Christopher <echristo@apple.com>
7947 * config/i386/i386.c (machopic_output_stub): Output \t
7948 between instructions and operands.
7950 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7952 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7953 satisfies_constraint_[IL] to explicit tests on value.
7955 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7957 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7958 set_nb_iterations_in_loop): Use build_int_cst instead of
7960 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7961 build_int_cst instead of convert.
7963 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7965 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7966 new value 2 for incoming.
7967 * function.c (expand_function_start): Call struct_value_rtx
7969 * config/sparc/sparc.md: Comment updated_return.
7970 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7971 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7972 struct return if sparc_std_struct_return and incoming is 2.
7973 (print_operand): Do not adjust return if
7974 sparc_std_struct_return.
7976 2006-04-04 Roger Sayle <roger@eyesopen.com>
7978 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7979 convert in the middle-end.
7980 * expr.c (store_expr, store_constructor, get_inner_reference,
7981 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7983 * tree.c (build_range_type): Likewise.
7985 2006-04-04 Tom Tromey <tromey@redhat.com>
7987 * doc/install.texi (Prerequisites): Mention jar.
7989 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7991 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7994 2006-04-04 Matthias Klose <doko@debian.org>
7996 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8000 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8003 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8005 * doc/extend.texi (Function Attributes): Rewrite visibility
8006 attribute documentation.
8007 * doc/invoke.texi (C++ Dialect Options): Rewrite
8008 -fvisibility-inlines-hidden documentation to describe something
8009 entirely different, although in practise compatible.
8010 (Code Gen Options): Warn about system headers in -fvisibility=
8013 * doc/extend.texi (Other Builtins): Document that
8014 __builtin_nan is a compile-time constant only when its argument
8017 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8019 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8020 trying to remove TRUNCATE check if all bits outside the new mode
8021 are identical to the sign bit.
8023 2006-04-03 Jeff Law <law@redhat.com>
8025 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8026 and operand scanning in some common cases.
8028 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8029 Dale Johannesen <dalej@apple.com>
8032 * regclass.c (struct reg_pref): Update documentation.
8033 (regclass): Set prefclass to NO_REGS if memory is the best option.
8034 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8035 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8036 into account. For non-registers, equate an empty preferred
8037 reload class to a `!' in the constraint; move the if clause to
8038 do so after those that reject the insn.
8039 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8041 (find_dummy_reload): Likewise.
8042 * doc/tm.texi (Register Classes): Document what it means
8043 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8044 * config/i386/i386.c (ix86_preferred_reload_class): Force
8045 using SSE registers (and return NO_REGS for floating-point
8046 constants) if math is done with SSE.
8047 (ix86_preferred_output_reload_class): New.
8048 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8049 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8050 * config/i386/i386.md: Remove # register preferences.
8052 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8055 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8056 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8057 the type of nb_iter.
8058 (instantiate_parameters_1): Convert the operands before calling
8059 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8060 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8062 2006-04-02 Roger Sayle <roger@eyesopen.com>
8064 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8065 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8067 * dojump.c (do_jump): Likewise.
8068 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8069 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8070 gimplify_boolean_expr): Likewise.
8071 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8072 * varasm.c (array_size_for_constructor): Likewise.
8073 * tree-object-size.c (compute_object_offset): Likewise.
8075 2006-04-02 Roger Sayle <roger@eyesopen.com>
8078 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8079 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8081 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8083 PR tree-optimization/26939
8084 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8086 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8088 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8089 at_stmt. Convert the type of operands before calling
8090 build_polynomial_chrec.
8091 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8093 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8094 (instantiate_parameters_1): Convert the type of operands before calling
8095 build_polynomial_chrec.
8096 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8097 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8098 reset_evolution_in_loop): Insert asserts to check the types of the
8100 (chrec_type): Moved...
8101 (eq_evolutions_p): Use operand_equal_p.
8102 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8103 the types of the operands.
8104 (chrec_type): ...here.
8105 * tree-data-ref.c (create_data_ref): Convert the operands before
8106 calling chrec_replace_initial_condition.
8107 (same_access_functions, analyze_subscript_affine_affine,
8108 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8109 (compute_subscript_distance, analyze_ziv_subscript,
8110 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8111 analyze_miv_subscript): Convert the operands before calling
8112 chrec_fold_minus or chrec_fold_plus.
8114 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8116 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8117 the dependence_relations vector.
8118 (compute_data_dependences_for_loop): Adjust call to
8119 compute_all_dependences.
8121 2006-04-01 Roger Sayle <roger@eyesopen.com>
8122 Richard Henderson <rth@redhat.com>
8124 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8125 gimple_boolify on the condition before calling gimplify_expr.
8127 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8129 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8130 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8131 the frame size. Update to use the new macros.
8132 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8133 * config/xtensa/ieee754-df.S: Likewise.
8135 2006-03-31 Richard Henderson <rth@redhat.com>
8137 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8138 (make_edges): ... here. Control fallthru creation with a local
8139 variable. Do not play with fake edges.
8140 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8141 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8144 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8146 * dwarf2.h (DW64_CIE_ID): Define.
8147 * dwarf2out.c (DWARF_CIE_ID): Define.
8148 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8149 length header. Use DWARF_CIE_ID.
8150 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8151 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8153 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8155 * config/sh/linux-atomic.asm: New file.
8156 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8158 2006-03-31 DJ Delorie <dj@redhat.com>
8160 * config/m32c/cond.md: Set condition flags properly throughout.
8161 * config/m32c/minmax.md: Likewise.
8162 * config/m32c/prologue.md: Likewise.
8163 * config/m32c/bitops.md: Likewise.
8164 * config/m32c/muldiv.md: Likewise.
8165 * config/m32c/mov.md: Likewise.
8166 * config/m32c/addsub.md: Likewise.
8167 * config/m32c/m32c.md: Likewise.
8168 * config/m32c/jump.md: Likewise.
8169 * config/m32c/shift.md: Likewise.
8171 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8172 conditionally output the pattern for this.
8173 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8174 (m32c_compare_redundant): New.
8175 (m32c_output_compare): New.
8176 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8178 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8179 dest, not src. Allow other 4-byte modes.
8181 2006-03-30 Denis Chertykov <denisc@overta.ru>
8183 * doc/md.texi: Refer to avr/constraints.md instead of
8186 2006-03-30 Roger Sayle <roger@eyesopen.com>
8188 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8189 signed vs. unsigned comparison failures on some hosts.
8191 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8194 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8195 change to FLOAT_REGS.
8197 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8198 (rs6000_override_options): Use it.
8199 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8200 only for -mabi=spe/no-spe and -mabi=altivec.
8202 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8204 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8207 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8209 * Makefile.in: Rename docdir to gcc_docdir.
8211 2006-03-30 Roger Sayle <roger@eyesopen.com>
8214 * expr.c (emit_group_store): Optimize group stores into a pseudo
8215 register by using a paradoxical subreg to initialize the destination
8216 if the first or last member of the group specifies a "low part".
8218 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8221 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8222 * target.h (struct gcc_target.speculate_insn): Change type of the
8223 second parameter to 'int'.
8224 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8225 the second operand of the DEPS_LIST.
8226 (copy_DEPS_LIST_list): Update reference to the second operand of the
8228 * rtl.h (alloc_DEPS_LIST): Update signature.
8229 * sched-int.h (ds_t): Change typedef to 'int'.
8230 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8232 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8234 * haifa-sched.c (try_ready): Change condition to restore
8235 non-speculative pattern of the instruction.
8236 (process_insn_depend_be_in_spec): Code to keep probability of the
8237 speculative dependence non-decreasing.
8239 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8241 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8242 (single_move_for_movmem): ... this. Also change all uses.
8243 (bfin_expand_strmov): Renamed to...
8244 (bfin_expand_movmem): ... this. Also change all uses.
8245 * config/bfin/bfin.md (movstrsi): Renamed to...
8246 (movstrsi): ...this.
8248 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8250 PR tree-optimization/26830
8252 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8253 (copy_prop_visit_stmt): Remove write-only variable ann.
8254 (init_copy_prop): Check variable loop depth here. Do not simulate
8255 memory-tag and virtual operand PHIs except for store copy prop.
8257 2006-03-30 Richard Guenther <rguenther@suse.de>
8259 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8260 variants with double arguments.
8262 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8264 * genpreds.c (write_tm_constrs_h): Delete variable p.
8265 * genconditions.c (write_header): Add tm-constrs.h to included
8267 * genpeep.c (main): Add toplev.h to included headers.
8268 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8269 (build/genpeep.o): Add toplev.h dependency.
8270 * config/rs6000/constraints.md: Add "W" constraint.
8272 2006-03-29 Roger Sayle <roger@eyesopen.com>
8274 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8275 sizes by correctly testing whether the size fits a host integer.
8276 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8277 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8278 SImode range for the default sizetype and bitsizetype.
8280 2006-03-29 Roger Sayle <roger@eyesopen.com>
8282 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8283 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8284 quickly if the argument is already of the correct type.
8285 Call fold_build1 instead of build1. Tidy up blank lines.
8287 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8289 * genemit.c (main): Add tm-constrs.h to included headers.
8290 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8291 * genpeep.c (main): Add tm-constrs.h to included headers.
8292 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8293 (write_tm_constrs_h): this and write complete file.
8294 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8295 (write_insn_preds_c): Add tm-constrs.h to included headers.
8296 (gen_constrs): New variable.
8297 (parse_option): Parse "-c".
8298 (main): Invoke write_tm_constrs_h.
8299 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8300 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8301 (object_out_file): Add tm-constrs.h dependency.
8302 (insn-emit.o): Same.
8303 (insn-output.o): Same.
8304 (insn-peep.o): Same.
8305 (insn-preds.o): Same.
8306 (insn-recog.o): Same.
8307 (tm-constsr.h): New target.
8308 (s-constrs-h): New target.
8310 * config/rs6000/constraints.md: New file.
8311 * config/rs6000/rs6000.c: Include tm-constrs.h.
8312 (num_insn_constant_wide): Convert to satisfies_constraint.
8313 (rs6000_rtx_costs): Convert to satisfies_constraint.
8314 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8315 (CONST_OK_FOR_LETTER_P): Delete.
8316 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8317 (EXTRA_CONSTRAINT): Delete.
8318 (EXTRA_MEMORY_CONSTRAINT): Delete.
8319 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8320 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8321 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8322 satisfies_constraint.
8324 * config/i386/i386.c: Include tm-constrs.h.
8326 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8328 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8329 * tree-data-ref.c (find_data_references_in_loop,
8330 compute_data_dependences_for_loop): Use pointers to VEC.
8331 (analyze_all_data_dependences): Adjust calls.
8332 * tree-data-ref.h (find_data_references_in_loop,
8333 compute_data_dependences_for_loop): Adjust declarations.
8334 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8335 compute_data_dependences_for_loop.
8337 2006-03-29 Paul Brook <paul@codesourcery.com>
8339 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8342 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8344 PR tree-optimization/26859
8345 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8347 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8348 for the step after fold_convert.
8350 2006-03-29 Paul Brook <paul@codesourcery.com>
8352 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8353 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8355 2006-03-29 Paul Brook <paul@codesourcery.com>
8358 * targhooks.c (default_narrow_bitfield): New fuction.
8359 * targhooks.h (default_narrow_bitfield): add prototype.
8360 * target.h (gcc_target): Add narrow_volatile_bitfield.
8361 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8362 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8363 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8364 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8366 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8368 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8370 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8371 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8372 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8373 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8374 (s390_function_arg_float): Allow SDmode and DDmode values to be
8375 passed in floating point registers.
8376 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8377 check with SCALAR_FLOAT_MODE_P.
8378 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8380 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8382 PR tree-optimization/25985
8383 * tree-ssa-loop-niter.c (number_of_iterations_le,
8384 number_of_iterations_ne): Make comments more precise.
8385 (number_of_iterations_cond): Add only_exit argument. Use the
8386 fact that signed variables do not overflow only when only_exit
8388 (loop_only_exit_p): New.
8389 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8390 number_of_iterations_cond.
8392 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8394 PR tree-optimization/26643
8395 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8398 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8400 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8401 (divsi3_i4_int): Likewise.
8403 2006-03-28 Roger Sayle <roger@eyesopen.com>
8405 * expr.c (emit_group_store): Only create a new pseudo reg if the
8406 quantity it needs to hold isn't already a suitable pseudo.
8408 2006-03-28 Jeff Law <law@redhat.com>
8410 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8411 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8413 2006-03-28 Roger Sayle <roger@eyesopen.com>
8415 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8416 the equivalent ~X & Y, and the symmetry related transformations.
8417 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8418 ~X & Y, and symmetry related transforms.
8420 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8422 Revert my 2006-03-27 patches.
8424 2006-03-28 Roger Sayle <roger@eyesopen.com>
8426 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8427 ~(T1)X, when T1 and T2 are integer types of the same precision
8428 and (T2)X isn't an extension.
8430 2006-03-28 Jeff Law <law@redhat.com>
8432 PR tree-optimization/26796
8433 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8434 need EH edge cleanups rather than purging them immediately.
8435 (eliminate_degenerate_phis): Handle queued EH cleanups.
8437 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8439 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8442 2006-03-27 Roger Sayle <roger@eyesopen.com>
8445 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8446 cast BIT_NOT_EXPR operand to the correct type.
8448 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8450 * tree-loop-linear.c: Don't include varray.h.
8451 (gather_interchange_stats, try_interchange_loops,
8452 linear_transform_loops): Use VEC instead of VARRAY.
8453 * lambda-mat.c: Don't include varray.h.
8454 * tree-chrec.c: Same.
8455 * lambda-trans.c: Same.
8456 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8457 VEC instead of VARRAY.
8458 * tree-vectorizer.h: Idem.
8459 * tree-data-ref.c (dump_data_references,
8460 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8461 initialize_data_dependence_relation, finalize_ddr_dependent,
8462 compute_all_dependences, find_data_references_in_loop,
8463 compute_data_dependences_for_loop, analyze_all_data_dependences,
8464 free_dependence_relation, free_dependence_relations,
8465 free_data_refs): Idem.
8466 * tree-data-ref.h (data_reference_p, subscript_p): New.
8467 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8468 VEC instead of VARRAY.
8469 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8470 (find_data_references_in_loop, compute_data_dependences_for_loop,
8471 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8472 dump_data_dependence_relations, free_dependence_relations,
8473 free_data_refs): Adjust declaration.
8474 (lambda_transform_legal_p): Move declaration here...
8475 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8476 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8477 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8478 vect_analyze_data_refs): Use VEC instead of VARRAY.
8479 * lambda.h (lambda_transform_legal_p): ...from here.
8480 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8481 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8482 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8483 tree-chrec.o): Don't depend on VARRAY_H.
8485 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8487 * rtl.def (Copyright): Update date.
8488 (DEPS_LIST): Change type of the second operand to 'int'.
8489 * target.h (Copyright): Update date.
8490 (struct gcc_target.speculate_insn): Change type of the second parameter
8492 * lists.c (Copyright): Update date.
8493 (alloc_DEPS_LIST): Change signature. Update reference to the second
8494 operand of the DEPS_LIST.
8495 (copy_DEPS_LIST_list): Update reference to the second operand of the
8497 * rtl.h (Copyright): Update date.
8498 (alloc_DEPS_LIST): Update signature.
8499 * sched-int.h (Copyright): Update date.
8500 (ds_t): Change typedef to 'int'.
8501 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8503 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8505 * haifa-sched.c (Copyright): Update date.
8506 (try_ready): Change condition to restore non-speculative pattern
8508 (process_insn_depend_be_in_spec): Code to keep probability of the
8509 speculative dependence non-decreasing.
8511 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8513 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8514 shut up the compiler.
8516 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8518 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8519 to use lib prefix for target.
8520 ($(T)libic_invalidate_array_4-200.a): Likewise.
8521 ($(T)libic_invalidate_array_4a.a): Likewise.
8523 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8524 J"orn Rennecke <joern.rennecke@st.com>
8526 * superh.opt: New file.
8527 * sh.c (boardtype, osruntime): Remove.
8528 * superh.h (SUBTARGET_OPTIONS): Remove.
8529 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8531 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8532 arguments with ^ and/or [].
8534 * config.gcc (sh-*-*): Add quoting to account for quirk of
8536 Replace == with = in enable_incomplete_targets test.
8538 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8539 with MASK_LITTLE_ENDIAN.
8541 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8542 * config/sh/sh.opt: Added to some comments.
8543 * config/sh/superh.h: Removed some chaff.
8545 * config/sh/sh.opt: Add m4-[1234]00* options.
8546 * config/sh/sh.c (sh_handle_option): Likewise.
8547 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8548 (ic_invalidate_array_4-100.o): New rule.
8549 ($(T)libic_invalidate_array_4-100.a): Likewise.
8550 (ic_invalidate_array_4-200.o): Likewise.
8551 ($(T)libic_invalidate_array_4-200.a): Likewise.
8552 (ic_invalidate_array_4a.o): Likewise.
8553 ($(T)libic_invalidate_array_4a.a): Likewise.
8554 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8555 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8557 * config/sh/crt1.asm: Merged in profiling code.
8558 * config/sh/superh.h (STARTFILE_SPEC): Override.
8559 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8560 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8561 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8563 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8564 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8565 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8567 * sh.opt (mpretend-cmove): New option.
8568 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8569 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8570 (movsicc): Add TARGET_PRETEND_CMOVE code.
8572 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8574 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8575 s390_class_max_nregs): New function prototypes.
8576 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8577 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8578 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8579 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8581 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8583 * dwarf2out.c (add_location_or_const_value_attribute): Call
8584 tree_add_const_value_attribute if nothing else works.
8585 (reference_to_unused): New.
8586 (rtl_for_decl_init): Use reference_to_unused to decide whether
8587 to output an initializer.
8589 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8592 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8593 peephole removing spe frob_di_df_2.
8595 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8597 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8598 (subscript_dependence_tester_1): Declared.
8599 (print_dir_vectors, print_dist_vectors): New.
8600 (debug_data_dependence_relation): New.
8601 (dump_data_dependence_relation): Print more details.
8602 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8603 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8604 (save_dist_v, save_dir_v, add_outer_distances,
8605 build_classic_dist_vector_1): New.
8606 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8607 Don't test for lambda_vector_lexico_pos.
8608 (same_access_functions, add_multivariate_self_dist,
8609 add_other_self_distances, dir_from_dist): New.
8610 (build_classic_dir_vector): Replace implementation almost identical to
8611 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8613 (subscript_dependence_tester_1): New.
8614 (subscript_dependence_tester): Handle the lexicographically negative
8615 distance vectors by recomputing the dependence relation.
8616 (compute_affine_dependence): Remove parameter loop_nest_depth.
8617 (compute_self_dependence): Don't call compute_subscript_distance.
8618 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8619 Add a parameter for the loop_nest.
8620 (find_loop_nest_1, find_loop_nest): New.
8621 (compute_data_dependences_for_loop): Compute the loop nest, and give
8622 up if the nest is not well formed.
8623 * tree-data-ref.h (loop_p): New.
8624 (struct data_dependence_relation): Replace size_vect field with
8625 loop_nest, a vec of loops.
8626 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8627 (DDR_LOOP_NEST): New.
8628 (print_dir_vectors, print_dist_vectors,
8629 debug_data_dependence_relation): Declared.
8630 (index_in_loop_nest): New.
8631 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8632 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8635 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8637 * simplify-rtx.c (simplify_relational_operation): Call
8638 simplify_relational_operation_1 even if mode is VOIDmode.
8640 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8642 PR tree-optimization/26804
8643 * tree.h (DECL_CALL_CLOBBERED): New macro.
8644 (tree_decl_common): Add call_clobbered_flag.
8645 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8646 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8647 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8648 (mark_non_addressable): Ditto.
8649 * tree-ssa.c (verify_call_clobbered): New function.
8650 (verify_alias_info): Use it.
8651 * tree-pass.h (pass_reset_cc_flags): New prototype.
8652 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8653 (reset_cc_flags): New function.
8654 * passes.c (init_optimization_passes): Call reset_cc_flags after
8655 initializing referenced_vars.
8657 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8658 Roger Sayle <roger@eyesopen.com>
8661 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8662 to 1.0 for non-real operands. Implement A / A optimization for
8665 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8667 * config/i386/i386.c (size_cost): Correct the comment for
8668 cost of storing fp registers.
8669 (i386_cost): Likewise.
8670 (i486_cost): Likewise.
8671 (pentium_cost): Likewise.
8672 (pentiumpro_cost): Likewise.
8673 (k6_cost): Likewise.
8674 (athlon_cost): Likewise.
8675 (k8_cost): Likewise.
8676 (pentium4_cost): Likewise.
8677 (nocona_cost): Likewise.
8678 (generic64_cost): Likewise.
8679 (generic32_cost): Likewise.
8681 2006-03-24 Denis Chertykov <denisc@overta.ru>
8683 * config/avr/avr-protos.h (extra_constraint): Delete.
8684 (extra_constraint_Q): New declaration.
8685 * config/avr/constraints.md: New file.
8686 * config/avr/avr.md: Include it.
8687 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8688 (TMP_REGNO, ZERO_REGNO): Likewise.
8689 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8690 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8691 (extra_constraint): Delete.
8692 (extra_constraint_Q): Test for memory constraint 'Q'.
8693 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8694 (REG_CLASS_FROM_LETTER): Delete.
8695 (CONST_OK_FOR_LETTER_P): Delete.
8696 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8697 (EXTRA_CONSTRAINT): Delete.
8698 (TMP_REGNO): Delete.
8699 (ZERO_REGNO): Delete.
8701 2006-03-24 Jeff Law <law@redhat.com>
8703 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8704 directly. Call mark_new_vars_to_rename slightly earlier.
8706 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8708 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8710 (gen_compile_unit_die): Use new language types for Objective-C and
8712 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8713 DW_LANG_C_plus_plus.
8716 * config/t-darwin (crt3.o): Work around bug 26840.
8717 * config/darwin-crt3.c: Rewrite.
8718 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8720 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8722 * doc/invoke.texi: Document -femit-class-debug-always
8723 * common.opt: Add -femit-class-debug-always.
8725 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8727 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8728 index and base register.
8729 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8730 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8731 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8732 REGNO_OK_FOR_INDEX_P.
8733 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8735 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8736 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8737 REG_OK_FOR_BASE_P): Definitions removed.
8739 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8742 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8743 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8744 set yet or weren't marked as local yet.
8746 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8748 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8751 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8753 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8754 (rs6000_legitimate_small_data_p): Delete.
8755 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8756 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8757 and make static. Add forward declaration. Update uses.
8758 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8759 of offsettable_memref_p.
8760 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8761 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8763 2006-03-24 Jeff Law <law@redhat.com>
8765 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8766 around bug in immediate-use iterator.
8768 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8771 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8772 or __LITTLE_ENDIAN__.
8774 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8776 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8777 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8778 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8779 * config/sh/sh.opt (mdiv=): Amend description.
8780 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8781 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8782 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8783 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8784 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8785 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8786 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8787 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8788 TARGET_DIVIDE_CALL_FP.
8790 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8792 * haifa-sched.c (choose_ready): Fix type of the local variable.
8793 Move local variables. Add comment.
8794 (check_reg_live): Change signature. Make callable from debugger.
8795 * sched-int.h (check_reg_live): Update signature.
8796 * sched-ebb.c (check_reg_live): Update parameters.
8797 * sched-rgn.c (check_reg_live): Ditto.
8798 (region_head_or_leaf_p): Check pointer before dereferencing.
8799 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8800 before reload on optimization levels below 1.
8802 2006-03-23 Richard Henderson <rth@redhat.com>
8804 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8808 * config/alpha/predicates.md (local_symbolic_operand): Reject
8811 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8814 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8815 expressions which have overflowed constants.
8817 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8819 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8821 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8823 * cfgloopmanip.c (create_loop_notes): Removed.
8824 * final.c (final_scan_insn): Do not handle loop notes.
8825 * jump.c (squeeze_notes): Ditto.
8826 * cfglayout.c (skip_insns_after_block,
8827 duplicate_insn_chain): Ditto.
8828 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8830 * cfgloop.h (create_loop_notes): Declaration removed.
8832 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8834 * varasm.c (output_constant_pool): Restore fnname and fndecl
8836 (assemble_start_function): Adjust call accordingly.
8837 (assemble_end_function): Likewise.
8839 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8842 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8845 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8847 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8850 * system.h (ICE_EXIT_CODE): New macro.
8851 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8852 (diagnostic_action_after_output): Likewise.
8853 * gcc.c (fatal_ice): New function.
8854 (execute): Use it instead of fatal.
8855 (fancy_abort): Likewise.
8856 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8858 2006-03-22 Jeff Law <law@redhat.com>
8860 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8861 iv_analyze_result returning false.
8863 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8865 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8867 2006-03-22 Richard Henderson <rth@redhat.com>
8870 * except.c (duplicate_eh_regions_0): New.
8871 (duplicate_eh_region_1): Duplicate the children of the node as
8872 well as the node itself. Link them up properly.
8873 (duplicate_eh_region_2): Merge into ...
8874 (duplicate_eh_regions): ... here. Take copy_region argument, and
8875 copy only a sub-tree if asked. Simplify copying and fixup.
8876 (eh_region_outer_p): New.
8877 * except.h (duplicate_eh_regions): Update decl.
8878 (eh_region_outer_p): Declare.
8879 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8880 (lower_omp_master): Likewise.
8881 (lower_omp_ordered): Likewise.
8882 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8883 (move_stmt_r): Use it to remap labels. Handle recursion vs
8884 remap_decls_p properly.
8885 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8886 (find_outermost_region_in_block): New.
8887 (new_label_mapper): New.
8888 (move_sese_region_to_fn): Copy eh information to the new function
8890 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8892 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8895 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8897 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8898 into shared libraries.
8900 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8902 * doc/md.texi: Refer to i386/constraints.md instead of
8904 * config/i386/constraints.md: New file, extracted from...
8905 * config/i386/predicates.md: ...here.
8906 * config/i386/i386.md: Include constraints.md.
8908 2006-03-21 Jason Merrill <jason@redhat.com>
8910 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8913 * expr.c (init_block_move_fn): Force default visibility.
8914 (init_block_clear_fn): Likewise.
8915 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8916 * targhooks.c (default_external_stack_protect_fail): Likewise.
8918 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8920 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8921 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8922 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8923 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8924 (loadgp): Use mips_current_loadgp_style.
8925 (loadgp_noshared): New pattern.
8926 (sibcall_internal): Use MIPS_CALL.
8927 (sibcall_value_internal): Likewise.
8928 (sibcall_value_multiple_internal): Likewise.
8929 (call_internal): Likewise.
8930 (call_value_internal): Likewise.
8931 (call_value_multiple_internal): Likewise.
8932 (call_split): Use MIPS_CALL and add an 'S' constraint.
8933 (call_value_split): Likewise.
8934 (call_value_multiple_split): Likewise.
8935 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8936 (-mshared): New option.
8937 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8938 (mips_current_loadgp_style): Declare.
8939 * config/mips/mips.c (mips_classify_symbol): Avoid using
8940 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8941 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8942 TARGET_ABSOLUTE_ABICALLS.
8943 (override_options): Adjust comments. Improve the warning that is
8944 issued when -mabicalls and -G are used together.
8945 (mips_file_start): Remove comment.
8946 (mips_current_loadgp_style): New function.
8947 (mips_gnu_local_gp): New variable.
8948 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8950 (mips_output_function_prologue): Use mips_current_laodgp_style.
8951 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8952 the cprestore instruction.
8953 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8954 live for TARGET_ABSOLUTE_ABICALLS.
8955 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8956 (ASM_SPEC): Pass down -mshared and -mno-shared.
8957 (MIPS_CALL): New macro.
8958 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8960 * doc/invoke.texi (-mabicalls): Update documentation.
8961 (-mshared): Document.
8963 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8965 * config/ia64/unwind-hpux.c: New file.
8966 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8968 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8971 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8973 2006-03-21 Jeff Law <law@redhat.com>
8975 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8976 type conversions of a VR_VARYING source to a wider type.
8978 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8980 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8981 tm_file on Solaris 10 and later.
8982 (sparc64-*-solaris2*): Likewise.
8983 (sparc-*-solaris2*): Likewise.
8984 * config/sol26.h: Rename to config/sol2-6.h.
8985 * config/sol2-10.h: New file.
8987 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8990 * tree-ssa-pre.c (create_component_ref_by_pieces):
8993 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8996 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8997 return it immediately.
8999 2006-03-21 Michael Matz <matz@suse.de>
9001 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9003 (remove_arc, add_arc): Update num_out_arcs member.
9004 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9006 (cache_presence): New function.
9007 (compare_states_for_equiv): New function.
9008 (state_is_differed): Don't take number of outargs, adjust callers.
9009 Use new invariant for speeding up.
9010 (init_equiv_class): Create initial classes based on sorted
9012 (partition_equiv_class): Don't track out_arcs_num.
9013 (evaluate_equiv_classes): Call cache_presence on all states and
9016 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9018 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9019 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9020 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9021 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9023 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9024 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9025 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9026 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9027 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9029 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9030 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9031 (REGNO_REG_CLASS): ARGP is in PREGS.
9032 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9034 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9035 to deal with those addresses.
9036 * addresses.h: New file.
9037 * caller-save.c: Include "addresses.h".
9038 (init_caller_save): Use new base_reg_class function.
9039 * rtl-factoring.c: Include "addresses.h".
9040 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9041 * recog.c: Include "addresses.h".
9042 (preprocess_constraints): Use new base_reg_class function.
9043 * regrename.c: Include "addresses.h".
9044 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9045 functions. Keep track of a new var INDEX_CODE to compute valid
9047 (replace_oldest_value_addr): Likewise.
9048 (replace_oldest_value_mem): Use base_reg_class.
9049 * reload.c: Include "addresses.h".
9050 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9051 (find_reloads): Use new base_reg_class function.
9052 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9053 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9054 all callers and prototype changed.
9055 * reload1.c: Include "addresses.h".
9056 (maybe_fix_stack_asms): Use base_reg_class.
9057 * regclass.c: Include "addresses.h".
9058 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9059 (init_reg_autoinc): Use new base_reg_class function.
9060 (record_reg_classes): Likewise.
9061 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9062 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9063 Use new args to compute necessary class.
9065 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9066 regrename.o, rtl-factoring.o): Update dependencies.
9067 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9068 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9069 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9070 REG_OK_FOR_INDEX_P): Delete documentation.
9072 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9074 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9075 from V7 to V9 for Solaris 7 and above.
9077 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9079 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9080 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9081 argument pointers may not alias any other storage.
9082 * common.opt: Define option -fargument-noalias-anything.
9083 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9084 alias semantics is specified by flag_argument_noalias > 2.
9086 2006-03-20 Jeff Law <law@redhat.com>
9088 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9089 (pass_phi_only_cprop): Declare.
9090 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9092 * tree-ssa-dom.c (degenerate_phi_result): New function.
9093 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9094 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9095 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9096 (eliminate_degenerate_phis): Likewise.
9097 (pass_phi_only_cprop): New pass descriptor.
9098 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9099 support code. Callers updated.
9100 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9101 (store_copy_prop): Likewise.
9102 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9104 2006-03-20 Jason Merrill <jason@redhat.com>
9107 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9108 (push_visibility, pop_visibility): Likewise.
9109 * c-pragma.h: Declare them.
9111 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9113 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9115 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9116 parameter and use get_ebb_head_tail.
9117 (sh_md_init_global): Adjust uses of find_regmode_weight.
9119 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9121 * function.h (struct function) <x_tail_recursion_reentry>:
9122 Rename to x_stack_check_probe_note.
9123 (tail_recursion_reentry): Rename to stack_check_probe_note.
9124 * function.c: Replace tail_recursion_reentry with
9125 stack_check_probe_note everywhere.
9126 (expand_function_start): Only emit a note for
9127 stack_check_probe_note with -fstack-protect.
9128 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9130 * emit-rtl.c (remove_unnecessary_notes): Remove.
9131 (pass_remove_unnecessary_notes): Remove.
9132 * rtl.h (remove_unnecessary_notes): Remove prototype.
9133 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9134 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9135 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9137 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9140 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9141 (valid_in_set): Handle ARRAY_REF.
9142 Change "if min_variant or VH" to asserts.
9143 (create_component_ref_by_pieces): Handle ARRAY_REF.
9144 (create_expression_by_pieces): Likewise.
9145 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9147 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9149 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9150 is operand of switch, not str[0].
9152 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9154 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9155 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9157 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9159 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9160 end of insn_extra_address_constraint declaration.
9162 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9164 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9165 (no-sum-in-toc): Same.
9166 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9168 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9169 NO_FP_IN_TOC for -fPIC instead of mask.
9171 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9172 (BOOT_LDFLAGS): Delete.
9174 * config/rs6000/t-aix52: Same.
9176 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9177 (stmsi[345678]_power): New.
9179 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9181 * config/ia64/ia64.opt: Add empty line to end of file.
9183 2006-03-17 Richard Guenther <rguenther@suse.de>
9186 * builtins.c (get_pointer_alignment): For component style references
9187 adjust alignment to the component type alignment. Make sure
9188 to adjust alignment for component access of constants.
9190 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9192 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9195 2006-03-17 Paul Brook <paul@codesourcery.com>
9197 * doc/install.texi: Docuemnt --with-mode.
9198 * config.gcc: Add --with-mode for arm*-*-*.
9199 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9201 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9203 * sh.c (max_labelno_before_reorg): New variable.
9204 (sh_reorg): Initialize it.
9205 (find_barrier): Check max_labelno_before_reorg before using
9206 label_to_alignment. Take length of explicit alignment insns
9207 into account. When seeing a UNSPECV_CONST_END, return it.
9209 * sh.c (fixup_mova): Set mode of affected label to QImode.
9210 (untangle_mova): New function.
9211 (find_barrier): Use it. Check mode of label before decrementing
9213 (sh_reorg): Likewise.
9214 Set mode of all insns back to VOIDmode.
9216 * sh.c (MOVA_LABELREF): New macro.
9217 (mova_p, fixup_mova, sh_reorg): Use it.
9218 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9219 ADDR_DIFF_VEC matches mova.
9221 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9223 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9224 with ATTRIBUTE_UNUSED.
9226 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9228 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9229 pointer, instead of assuming it is possible to derive the
9230 correct args size from a call insn.
9232 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9234 * rtl.h (CONST_INT_P): Define.
9235 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9236 instead of GET_CODE(x) == CONST_INT.
9237 (vax_rtx_costs): Likewise.
9238 (vax_output_int_move): Likewise.
9239 (vax_output_int_add): Likewise.
9240 (legitimate_constant_address_p): Likewise.
9241 (index_term_p): Likewise.
9242 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9243 * config/vax/vax.md (and<mode>3): Likewise.
9244 (ashrsi3): Likewise.
9246 (movstricthi): Likewise.
9247 (movstrictqi): Likewise.
9248 (rotrsi3): Likewise.
9249 (five unnamed insns): Likewise.
9251 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9253 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9254 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9255 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9256 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9257 Pass to ASM_OUTPUT_DWARF_OFFSET.
9258 * dwarf2out.c (debug_frame_section): New.
9259 (output_call_frame_info): Use debug_frame_section. Pass it to
9260 dw2_asm_output_offset.
9261 (output_die): Pass appropriate section to dw2_asm_output_offset.
9262 (output_compilation_unit_header): Likewise.
9263 (output_pubnames): Likewise.
9264 (output_aranges): Likewise.
9265 (enum dw_val_class): Break dw_val_class_lbl_offset into
9266 dw_val_class_lineptr and dw_val_class_macptr.
9267 (add_AT_lbl_offset): Delete.
9268 (add_AT_lineptr): New.
9269 (add_AT_macptr): New.
9270 (AT_lbl): Expect a lineptr or macptr.
9271 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9272 (attr_checksum): Likewise.
9273 (same_dw_val_p): Likewise.
9274 (size_of_die): Likewise.
9275 (value_format): Likewise.
9276 (output_die): Likewise.
9277 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9279 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9280 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9281 * config/darwin-protos.h (darwin_file_start): New.
9282 (darwin_asm_output_dwarf_offset): New.
9283 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9284 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9286 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9287 if not EH section; simplify.
9288 (darwin_file_start): New.
9289 (darwin_asm_output_dwarf_offset): New.
9290 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9292 (DEBUG_INFO_SECTION): Likewise.
9293 (DEBUG_ABBREV_SECTION): Likewise.
9294 (DEBUG_ARANGES_SECTION): Likewise.
9295 (DEBUG_MACINFO_SECTION): Likewise.
9296 (DEBUG_LINE_SECTION): Likewise.
9297 (DEBUG_LOC_SECTION): Likewise.
9298 (DEBUG_PUBNAMES_SECTION): Likewise.
9299 (DEBUG_STR_SECTION): Likewise.
9300 (DEBUG_RANGES_SECTION): Likewise.
9301 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9302 (ASM_OUTPUT_DWARF_OFFSET): New.
9304 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9306 * config.gcc (tm_defines): Always add to previous value rather
9309 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9311 * config/mips/predicates.md (splittable_const_int_operand): New,
9312 split from move_operand.
9313 (splittable_symbolic_operand): New.
9314 (move_operand): Add commentary. Use splittable_const_int_operand.
9315 Inline mips_atomic_symbolic_constant_p.
9316 * config/mips/mips.md: Add combine splitters for handling moves
9317 of splittable_const_int_operands and splittable_symbolic_operands.
9318 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9319 (mips_split_symbol): Declare.
9320 (mips_move_integer): Declare.
9321 * config/mips/mips.c (mips_split_p): Make global.
9322 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9323 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9324 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9325 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9326 (mips_offset_within_object_p): Handle block symbols.
9327 (mips_atomic_symbolic_constant_p): Delete.
9328 (mips_cannot_force_const_mem): Return false for constants that
9329 mips_legitimize_move can handle.
9330 (mips_use_blocks_for_constant_p): New function.
9331 (mips_split_symbol): Make global.
9332 (mips_move_integer): Likewise. Add a temporary register argument.
9333 (mips_legitimize_const_move): Use splittable_const_int_operand and
9334 splittable_symbolic_operand.
9335 (mips_use_anchors_for_symbol_p): New function.
9336 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9337 (mips_split_p): Declare.
9339 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9341 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9342 (mips*-*-linux*): Likewise.
9344 2006-03-16 Roger Sayle <roger@eyesopen.com>
9345 Daniel Speyer <dspeyer@wam.umd.edu>
9348 * tree-dump.c (dump_real): New function.
9349 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9350 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9351 (tree-dump.o): Add $(REAL_H) to the dependencies.
9353 2006-03-16 Roger Sayle <roger@eyesopen.com>
9356 * real.c (real_from_string): If the mantissa is zero, don't bother
9357 parsing the exponent as the result should always be zero.
9359 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9361 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9363 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9365 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9366 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9367 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9368 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9369 ia64_sched_finish_global): New static functions to implement
9370 hooks from gcc_target.sched.
9371 (spec_check_no, max_uid, pending_data_specs): New static variables.
9372 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9373 ia64_spec_check_src_p): New static functions.
9374 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9375 (TARGET_SCHED_ADJUST_COST): Removed.
9376 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9377 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9378 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9379 TARGET_SCHED_GEN_CHECK,
9380 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9381 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9382 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9383 Fixed to handle speculation checks.
9384 (rtx_needs_barrier): Fixed to handle speculative loads and
9386 (ia64_variable_issue): Added code to count speculative loads and their
9388 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9390 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9392 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9394 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9395 (ia64_reorg): Reset stops_p to NULL after it is freed.
9396 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9397 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9398 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9400 (data_speculative, control_speculative, check_load): New attributes.
9401 (mov<mode>_advanced, mov<mode>_speculative,
9402 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9403 zero_extend<mode>di2_speculative,
9404 zero_extend<mode>di2_speculative_advanced): New patterns for
9405 data and control speculative loads.
9406 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9408 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9409 New pattern for data and control speculation checks.
9410 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9411 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9412 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9413 Auxiliary definitions for the patterns.
9414 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9415 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9417 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9419 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9420 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9421 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9422 New resource constraints.
9423 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9425 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9426 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9427 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9428 msched-in-control-spec, msched-ldc, msched-control-ldc,
9429 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9430 msched-prefer-non-control-spec-insns,
9431 msched-count-spec-in-critical-path): New flags to tune speculative
9433 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9434 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9435 msched-in-control-spec, msched-ldc, msched-control-ldc,
9436 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9437 msched-prefer-non-control-spec-insns,
9438 msched-count-spec-in-critical-path): Document new flags.
9440 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9442 * target.h (struct spec_info_def): New opaque declaration.
9443 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9444 speculate_insn, needs_block_p, gen_check,
9445 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9446 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9447 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9448 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9449 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9450 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9452 (TARGET_SCHED): Use new macros.
9453 * rtl.h (copy_DEPS_LIST_list): New prototype.
9454 * sched-int.h (struct sched_info): Change signature of new_ready field,
9455 adjust all initializations. New fields: add_remove_insn,
9456 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9457 region_head_or_leaf_p.
9458 (struct spec_info_def): New structure declaration.
9459 (spec_info_t): New typedef.
9460 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9461 recovery_block, orig_pat.
9462 (glat_start, glat_end): New variables declaraions.
9463 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9465 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9466 DETACH_LIFE_INFO, USE_GLAT.
9467 (enum SPEC_SCHED_FLAGS): New enumeration.
9468 (NOTE_NOTE_BB_P): New macro.
9469 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9470 attach_life_info, debug_spec_status, check_reg_live): New functions.
9471 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9472 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9474 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9475 * ddg.c (get_block_head_tail): Adjust all uses.
9476 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9477 (sms_sched_info): Initialize new fields.
9478 (contributes_to_priority): Removed.
9479 * haifa-sched.c (params.h): New include.
9480 (get_block_head_tail): Adjust all uses.
9481 (ISSUE_POINTS): New macro.
9482 (glat_start, glat_end): New global variables.
9483 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9484 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9485 old_last_basic_block, before_recovery, current_sched_info_var,
9486 rgn_n_insns, luid): New static variables.
9487 (insn_cost1): New function. Move logic from insn_cost to here.
9488 (find_insn_reg_weight1): New function. Move logic from
9489 find_insn_reg_weight to here.
9490 (reemit_notes, move_insn, max_issue): Change signature.
9491 (move_insn1): Removed.
9492 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9493 extend_bb): New static functions to support extension of scheduler's
9495 (generate_recovery_code, process_insn_depend_be_in_spec,
9496 begin_speculative_block, add_to_speculative_block,
9497 init_before_recovery, create_recovery_block, create_check_block_twin,
9498 fix_recovery_deps): New static functions to support
9499 generation of recovery code.
9500 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9501 restore_bb_notes, move_block_after_check, move_succs): New static
9502 functions to support ebb scheduling.
9503 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9504 functions to support handling of register live information.
9505 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9506 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9507 add_jump_dependencies): New static functions.
9508 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9509 consistancy checking.
9510 (debug_spec_status): New function to call from debugger.
9511 (priority): Added code to handle speculation checks.
9512 (rank_for_schedule): Added code to distinguish speculative instructions.
9513 (schedule_insn): Added code to handle speculation checks.
9514 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9515 Fixed to handle ebbs.
9516 (move_insn): Added code to handle ebb scheduling.
9517 (max_issue): Added code to use ISSUE_POINTS of instructions.
9518 (choose_ready): Added code to choose between speculative and
9519 non-speculative instructions.
9520 (schedule_block): Added code to handle ebb scheduling and scheduling of
9521 speculative instructions.
9522 (sched_init): Initialize new variables.
9523 (sched_finish): Free new variables. Print statistics.
9524 (try_ready): Added code to handle speculative instructions.
9525 * lists.c (copy_DEPS_LIST_list): New function.
9526 * sched-deps.c (extend_dependency_caches): New function. Move logic
9527 from create_dependency_caches to here.
9528 (get_dep_weak, ds_merge): Make global.
9529 * genattr.c (main): Code to output prototype for
9530 dfa_clear_single_insn_cache.
9531 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9532 (output_dfa_clean_insn_cache_func): Code to output
9533 dfa_clear_single_insn_cache function.
9534 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9536 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9538 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9539 New static variables.
9540 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9541 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9543 (ebb_sched_info): Initialize new fields.
9544 (get_block_head_tail): Adjust all uses.
9545 (compute_jump_reg_dependencies): Fixed to use glat_start.
9546 (schedule_ebb): Code to remove unreachable last block.
9547 (schedule_ebbs): Added code to update register live information.
9548 * sched-rgn.c (region_sched_info): Initialize new fields.
9549 (get_block_head_tail): Adjust all uses.
9550 (last_was_jump): Removed. Adjust users.
9551 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9552 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9553 Implement new hooks.
9554 (check_dead_notes1): New static function.
9555 (struct region): New fields: dont_calc_deps, has_real_ebb.
9556 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9557 (BB_TO_BLOCK): Fixed to handle EBBs.
9558 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9559 (ebb_head): New static variable.
9560 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9561 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9563 (compute_dom_prob_ps): New assertion.
9564 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9565 global_live_at_start.
9566 (init_ready_list): New assertions.
9567 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9568 (new_ready): Add support for BEGIN_CONTROL speculation.
9569 (schedule_insns): Fixed code that updates register live information
9571 (schedule_region): Fixed to handle EBBs.
9572 (init_regions): Use extend_regions and check_dead_notes1.
9573 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9574 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9575 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9576 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9577 TARGET_SCHED_GEN_CHECK,
9578 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9579 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9580 * doc/invoke.texi (max-sched-insn-conflict-delay,
9581 sched-spec-prob-cutoff): Document.
9583 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9585 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9586 inter_tick, queue_index.
9587 (struct sched_info): Change signature of init_ready_list field.
9588 Adjust all initializations.
9589 (RESOLVED_DEPS): New access macro.
9590 (ready_add): Remove prototype.
9591 (try_ready): Add prototype.
9592 * sched-rgn.c (init_ready_list): Use try_ready.
9593 (schedule_region): Initialize
9594 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9595 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9596 (init_ready_list): Use try_ready.
9597 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9598 * lists.c (remove_list_elem): Remove `static'.
9599 (remove_free_INSN_LIST_elem): New function.
9600 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9601 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9602 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9604 (readyp): New variable.
9605 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9606 change_queue_index, resolve_dep): New static functions.
9607 (try_ready): New function. Adjust callers in sched-rgn.c and
9608 sched-ebb.c to use it instead of ready_add.
9609 (clock_var): Move at the begining of file.
9610 (rank_for_schedule): Fix typo.
9611 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9612 (ready_lastpos): Enforce assertion.
9613 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9615 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9616 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9617 (queue_to_ready): Use free_INSN_LIST_list.
9618 (early_queue_to_ready): Fix typo.
9619 (schedule_block): Init readyp. Move init_ready_list call after the
9620 initialization of clock_var. Fix error in rejecting insn by
9621 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9622 that previously corrected INSN_TICKs. Add code for handling
9624 (set_priorities): Fix typo.
9625 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9626 Clarify comment and code that keeps current_sched_info->next_tail
9629 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9631 * sched-rgn.c (extend_rgns): New static function.
9632 (find_rgns): Use it.
9633 (gather_region_statistics, print_region_statistics): New static
9635 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9636 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9638 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9639 Andrey Belevantsev <abel@ispras.ru>
9641 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9642 * lists.c (unused_deps_list): New variable.
9643 (free_list): Add assertions to verify the proper distinguishing
9644 between INSN_LISTs and DEPS_LISTs.
9645 (find_list_elem, remove_list_elem, remove_list_node): New static
9647 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9648 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9649 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9650 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9652 (free_INSN_LIST_node): Likewise.
9653 * modulo-sched.c (current_sched_info): Initialize flags field.
9654 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9655 * rtl.def (DEPS_LIST): Define.
9656 * rtl.h: Declare new functions from lists.c.
9657 * sched-deps.c (spec_dependency_cache): New static variable.
9658 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9659 (add_dependence): Change return type to void. Move the logic to ...
9660 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9661 (delete_all_dependences): Add comment about forward_dependency_cache.
9662 Handle spec_dependency_cache. Handle DEPS_LISTs.
9663 (fixup_sched_groups): Clarify the change of priority of output
9664 and anti dependencies.
9665 (sched_analyze_2): Adjust add_dependence calls to create data
9666 speculative dependence.
9667 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9668 Adjust all callers. Handle DEPS_LISTS.
9669 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9670 presence of speculation.
9671 (init_dependency_caches, free_dependency_caches):
9672 Handle spec_dependency_cache.
9673 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9674 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9675 New static functions.
9676 (add_or_update_back_dep, add_or_update_back_forw_dep,
9677 add_back_forw_dep, delete_back_forw_dep): New functions.
9678 * sched-int.h (ds_t, dw_t): New typedefs.
9679 (struct sched_info): Add new field flags.
9680 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9681 Prototype new sched-deps.c functions.
9682 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9683 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9684 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9685 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9686 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9687 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9689 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9691 * sched-rgn.c (current_sched_info): Initialize flags field.
9692 (schedule_insns): Initialize current_sched_info before the sched_init
9694 * sched-ebb.c (current_sched_info): Initialize flags field.
9695 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9696 Call add_or_update_back_dep instead of add_dependence.
9697 Create control speculative dependencies.
9698 (schedule_insns): Initialize current_sched_info before the sched_init
9701 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9703 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9705 (sh_fallback_frame_state): Likewise.
9707 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9709 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9710 Do switch on default_use_cxa_atexit.
9711 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9712 * config/darwin-crt3.o: New.
9713 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9714 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9715 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9717 * config/rs6000/t-darwin: Move crt2.o building to here.
9718 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9719 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9722 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9724 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9725 from '! xxx' to '!xxx' for coding-style conformance.
9726 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9727 (EXTRA_CONSTRAINT): Likewise.
9728 * config/vax/vax.md (four unnamed insns): Likewise.
9730 2006-03-15 Paul Brook <paul@codesourcery.com>
9732 * config/arm/arm.c (minipool_pad): New.
9733 (add_minipool_forward_ref): Include pool alignment padding in address
9735 (push_minipool_fix): Set minipool_pad.
9736 (minipool_pad): Ditto.
9738 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9740 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9741 instead of GET_CODE() == MEM and REG_P() instead of
9743 (print_operand_address): Likewise.
9744 (vax_address_cost): Likewise.
9745 (vax_rtx_costs): Likewise.
9746 (vax_notice_update_cc): Likewise.
9747 (vax_output_int_add): Likewise.
9748 (INDEX_REGISTER_P): Likewise.
9749 (BASE_REGISTER_P): Likewise.
9750 (nonindexed_address_p): Likewise.
9751 (vax_mode_dependent_address_p): Likewise.
9752 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9753 (PRINT_OPERAND): Likewise.
9754 * config/vax/vax.md (ashlsi3): Likewise.
9755 (ashlsi3): Likewise.
9756 (some more unnamed insns): Likewise.
9758 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9760 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9761 iterator-style macro.
9762 (mark_control_dependent_edges_necessary): Update the use of
9763 EXECUTE_IF_CONTROL_DEPENDENT.
9765 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9767 * config/sh/predicates.md (cache_address_operand): Special.
9768 (ua_address_operand): Likewise.
9770 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9772 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9774 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9776 2006-03-15 Andreas Schwab <schwab@suse.de>
9778 * gensupport.c (identify_predicable_attribute): Don't free p_false
9779 when it is still in use.
9781 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9783 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9784 the default setting here.
9786 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9788 * tree-pass.h (pass_cfg): Remove.
9789 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9790 * passes.c (pass_cfg): Don't run it.
9792 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9794 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9795 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9797 (stack_regs_mentioned): Update the uses of
9798 stack_regs_mentioned_data. Don't access the array beyond its
9800 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9801 Don't include gt-reg-stack.h.
9803 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9804 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9806 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9809 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9812 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9814 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9816 2006-03-14 Richard Guenther <rguenther@suse.de>
9818 PR tree-optimization/26672
9819 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9822 2006-03-14 Richard Guenther <rguenther@suse.de>
9824 PR tree-optimization/26667
9825 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9826 node for the callees. Always allow inlining if it will shrink
9829 2006-03-14 Richard Guenther <rguenther@suse.de>
9832 * builtins.c (get_pointer_alignment): Prefer alignment
9833 information from decls over that from types.
9835 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9838 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9840 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9842 * config/rs6000/rs6000.opt (mdlmzb): New option.
9843 (msched-prolog, msched-epilog): Use Var not Mask.
9844 * doc/invoke.texi (-mdlmzb): Document.
9845 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9847 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9848 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9850 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9852 PR rtl-optimization/25739
9853 * bt-load.c (augment_live_range): Free tos pointer.
9855 * gensupport.c (identify_predicable_attribute): Free
9857 * gcov.c (create_file_names): Free name pointer.
9859 2006-03-13 Roger Sayle <roger@eyesopen.com>
9862 * stmt.c (emit_case_nodes): Handle the case where the index is a
9863 CONST_INT, where the comparison mode is specified by the index type.
9865 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9867 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9870 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9872 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9873 (*branch_fp_inverted): Likewise.
9875 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9878 * omp-low.c (expand_omp_for_generic): Mark istart0
9879 and iend0 as addressable.
9881 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9883 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9885 2006-03-13 Jeff Law <law@redhat.com>
9887 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9888 virtual operands are interesting.
9889 (vrp_visit_stmt): Corresponding changes.
9891 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9893 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9895 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9896 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9897 * config/bfin/crti.S: Use it instead of __PIC__.
9898 * config/bfin/crtn.S: Likewise.
9900 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9901 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9903 Lose 'G' modifier for call operand.
9904 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9905 recognize 'G' modifier.
9907 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9910 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9911 * stmt.c (expand_case): Likewise.
9913 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9915 PR rtl-optimization/26254
9916 * loop-invariant.c (seq_insns_valid_p): New function.
9917 (move_invariant_reg): Only emit new code if it is valid.
9919 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9921 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9923 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9924 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9925 (commit_one_edge_insertion): Do not look for loop notes.
9927 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9929 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9930 flag_test_coverage out of loop.
9932 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9934 * final.c (shorten_branches): Remove outdated comment, and turn
9935 the if branch that guards it to continue.
9937 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9939 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9940 * cfgloop.h (struct loop): Remove unused fields.
9942 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9944 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9945 (-dL, -fdump-rtl-loop2): Update the dump file names
9947 * doc/invoke.texi: Update dump file names.
9949 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9951 * predict.c (estimate_probability): Remove.
9952 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9953 * basic-block.h (estimate_probability): Remove prototype.
9954 * passes.c (finish_optimization_passes): Dump branch prediction or
9955 profiling heuristics to the .profile tree dump.
9956 (init_optimization_passes): Unqueue pass_branch_prob.
9958 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9960 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9962 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9963 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9965 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9967 * function.h (frame_offset_overflow): Declare.
9968 * function.c (frame_offset_overflow): New function.
9969 (assign_stack_local_1): Call it to detect that the offset overflows.
9970 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9972 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9974 * config/sh/sh.c: Include alloc-pool.h.
9975 (label_ref_list_pool): New alloc pool.
9976 (label_ref_list_t): New type for lists of labels.
9977 (struct pool_node): Make wend a label_ref_list_t.
9978 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9980 (dump_table): Likewise.
9981 (sh_reorg): Set up the alloc pool before using add_constant and
9982 dump_table, and destroy it when finishing.
9984 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9986 * config/mips/mips.c: Remove redundant comment.
9988 2006-03-10 Jason Merrill <jason@redhat.com>
9991 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9992 the target was declared 'register'.
9994 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9996 * genpreds.c (write_insn_constraint_len): Change definition of
9997 insn_constraint_len to return size_t to match the declaration.
9999 2006-03-10 DJ Delorie <dj@redhat.com>
10001 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10003 (m32c_expand_insv): Fix test for an AND mask.
10005 2006-03-10 Richard Guenther <rguenther@suse.de>
10007 PR middle-end/26565
10008 * builtins.c (get_pointer_alignment): Handle component
10009 references for field alignment.
10011 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10013 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10014 when building with libgloss.
10015 (sh*elf): Implement --without-fp option.
10016 (sh64-superh-linux*): Don't multilib.
10018 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10020 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10022 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10024 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10025 Set it when one of the replacement functions returned true.
10026 Return TODO_cleanup_cfg if cfgchanged is true.
10027 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10029 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10031 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10032 instead of gen_lowpart.
10034 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10036 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10038 (mips_output_order_conditional_branch): Declare.
10039 * config/mips/mips.h (MIPS_BRANCH): New macro.
10040 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10041 for the comparison. Use gen_condjump.
10042 (mips_output_conditional_branch): Rework interface to take the
10043 asm templates for a direct branch and the inverse of a direct branch.
10044 (mips_output_order_conditional_branch): New function.
10045 (mips_builtin_branch_and_move): New function.
10046 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10047 branch condition. Use gen_single_cc as the condition for
10048 __builtin_mips_upper_* or __builtin_mips_lower_*.
10049 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10050 Use VOIDmode for the branch condition.
10051 * config/mips/predicates.md (order_operator): New predicate.
10052 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10053 (branch_fp): Rename to...
10054 (*branch_fp): ...this. Remove mode from comparison operator.
10055 Use new mips_output_conditional_branch interface.
10056 (branch_fp_inverted): Rename to...
10057 (*branch_fp_inverted): ...this and update as for *branch_fp.
10058 (*branch_zero<mode>): Rename to...
10059 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10060 Use mips_output_order_conditional_branch. Only accept ordered
10062 (*branch_zero<mode>_inverted): Rename to...
10063 (*branch_order<mode>_inverted): ...this and update as for
10064 *branch_order<mode>.
10065 (*branch_equality<mode>): Accept zero as the second operand to
10066 the equality operator. Use the new mips_output_conditional_branch
10068 (*branch_equality<mode>_inverted): Likewise.
10069 (condjump): New expander.
10070 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10072 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10073 (bc1any2t, bc1any2f): Likewise.
10074 (single_cc): New expander.
10075 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10077 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10079 * doc/md.texi: Update documentation of MIPS constraints.
10080 * config/mips/constraints.md: New file.
10081 * config/mips/mips.md: Include it.
10082 * config/mips/mips.c (mips_char_to_class): Delete.
10083 (override_options): Don't initialize mips_char_to_class.
10084 * config/mips/mips.h (mips_char_to_class): Delete.
10085 (REG_CLASS_FROM_LETTER): Delete.
10086 (CONST_OK_FOR_LETTER_P): Delete.
10087 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10088 (EXTRA_CONSTRAINT_Y): Delete.
10089 (EXTRA_CONSTRAINT_STR): Delete.
10090 (CONSTRAINT_LEN): Delete.
10091 (EXTRA_MEMORY_CONSTRAINT): Delete.
10093 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10095 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10096 original fn's eh regions.
10098 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10100 * fold-const.c (build_range_check): Make sure to use a valid type to
10101 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10104 (range_predecessor): New static function.
10105 (range_successor): Likewise.
10106 (merge_ranges): Use them to compute predecessors and successors of
10109 2006-03-09 Roger Sayle <roger@eyesopen.com>
10111 PR middle-end/26561
10112 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10113 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10115 2006-03-08 DJ Delorie <dj@redhat.com>
10117 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10118 (addpsi3): Expand to include memory operands. Remove
10119 reload-specific splits.
10120 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10121 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10122 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10123 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10124 (shift1_qi, shift1_hi, insv): New.
10125 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10126 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10127 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10129 * config/m32c/m32c-protos.h: Update as needed.
10130 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10131 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10132 Fail for unrecognized R* constraints.
10133 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10134 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10135 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10137 (m32c_init_libfuncs): New.
10138 (m32c_legitimate_address_p): Add debug wrapper.
10139 (m32c_rtx_costs): New.
10140 (m32c_address_cost): New.
10141 (conversions): Add 'B' prefix.
10142 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10143 operands, or word regnames for QI operands. 'B' prints bit
10145 (m32c_expand_setmemhi): New.
10146 (m32c_expand_movmemhi): New.
10147 (m32c_expand_movstr): New.
10148 (m32c_expand_cmpstr): New.
10149 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10150 (m32c_expand_neg_mulpsi3): Handle non-ints.
10151 (m32c_cmp_flg_0): New.
10152 (m32c_expand_movcc): New.
10153 (m32c_expand_insv): New.
10154 (m32c_scc_pattern): New.
10155 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10156 a0/a1 out of SIregs.
10157 (STORE_FLAG_VALUE): New.
10158 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10161 * config/m32c/mov.md: Make constraints more liberal.
10162 (zero_extendqihi2): Optimize r0/r1 case.
10163 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10164 * config/m32c/predicates.md (m32c_any_operand): New.
10165 (m32c_nonimmediate_operand): New.
10166 (m32c_hl_operand): New.
10167 (m32c_r3_operand): New.
10170 (memsym_operand): New.
10171 (memimmed_operand): New.
10172 (a_qi_operand): New.
10173 (m32c_eqne_operator): New.
10174 (m32c_1bit8_operand): New.
10175 (m32c_1bit16_operand): New.
10176 (m32c_1mask8_operand): New.
10177 (m32c_1mask16_operand): New.
10178 * config/m32c/blkmov.md: New file.
10179 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10181 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10183 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10184 unsigned to fix signed/unsigned comparison issue in
10185 DWARF2_FRAME_REG_OUT.
10186 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10187 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10189 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10190 of ptr into the ENABLE_CHECKING section.
10192 2006-03-08 Jeff Law <law@redhat.com>
10194 * tree-vrp.c (infer_value_range): Only count pointer uses
10195 and dereferences if -fdelete-null-pointer-checks is enabled.
10197 * tree-vrp.c (find_assert_locations): Infer value ranges for
10198 single use pointers, but do not create ASSERT_EXPRs for them.
10199 When a non-null range is inferred for a pointer, backwards
10200 propagate that range to other equivalent pointers through the
10203 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10206 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10207 language hook targets.
10208 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10209 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10210 if language hook targets were missing.
10212 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10214 * tree-ssa-opfinalize.h: Removed.
10215 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10217 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10218 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10219 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10220 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10221 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10222 finalize_ssa_v_must_def_ops): New.
10224 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10226 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10227 block as parameter.
10229 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10231 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10233 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10234 addresses with offsets; reorganize.
10236 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10237 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10238 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10240 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10243 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10245 2006-03-08 Ben Elliston <bje@au.ibm.com>
10247 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10249 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10252 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10255 2006-03-07 Richard Guenther <rguenther@suse.de>
10257 PR tree-optimization/26587
10258 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10260 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10262 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10264 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10266 * hooks.c (hook_bool_mode_rtx_true): New function.
10267 * hooks.h (hook_bool_mode_rtx_true): Declare.
10268 * toplev.c (compile_file): Call output_shared_constant_pool.
10269 * varasm.c (shared_constant_pool): New variable.
10270 (assemble_start_function, assemble_end_function): Remove arguments
10271 from call to output_constant_pool.
10272 (create_constant_pool): New function, split out from...
10273 (init_varasm_status): ...here.
10274 (force_const_mem): Choose between the shared and per-function constant
10275 pools. Set current_function_uses_const_pool when reusing old entries
10276 as well as when creating new ones.
10277 (mark_constant): Ignore data argument.
10278 (mark_constants): Remove pool argument.
10279 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10280 to decide whether the function uses a constant pool.
10281 (output_constant_pool_contents): New function, split out from...
10282 (output_constant_pool): ...here.
10283 (output_shared_constant_pool): New function.
10284 (init_varasm_once): Initialize shared_constant_pool.
10285 * output.h (output_constant_pool): Delete.
10286 (output_shared_constant_pool): Declare.
10287 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10288 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10290 2006-03-06 Nick Clifton <nickc@redhat.com>
10292 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10293 flag_strength_reduce.
10295 2006-03-06 Ben Elliston <bje@au.ibm.com>
10297 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10298 x86_64-*-linux* configurations.
10300 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10301 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10303 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10305 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10307 * basic-block.h: Remove the extern for
10308 rediscover_loops_after_threading.
10310 * cfgloop.c (cancel_loop): Make it static.
10311 * cfgloop.h: Remove the prototype for cancel_loop.
10313 * flow.c (recompute_reg_usage): Make it static.
10314 * rtl.h: Remove the prototype for recompute_reg_usage.
10316 * function.c (use_return_register): Make it static.
10317 * function.h: Remove the prototype.
10319 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10321 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10323 * recog.h: Remove the prototype for
10324 validate_change_maybe_volatile.
10326 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10328 * rtlanal.c (replace_reg): Remove.
10329 * rtl.h: Remove the prototype for replace_reg.
10331 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10333 * regclass.c (reg_scan_update): Remove.
10334 (reg_scan_mark_refs): Remove the last argument.
10335 * rtl.h: Remove the prototype for reg_scan_update.
10337 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10339 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10340 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10341 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10342 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10343 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10344 loop-invariant.c, omp-low.c, opts.c, passes.c,
10345 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10346 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10347 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10348 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10349 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10350 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10352 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10354 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10355 * dwarf2out.h: Remove the prototype for
10356 dwarf2out_add_library_unit_info.
10358 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10360 * tree.c (add_var_to_bind_expr): Remove.
10361 * tree.h: Remove the prototype for add_var_to_bind_expr.
10363 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10365 * regclass.c (n_non_fixed_regs): Remove.
10366 (init_reg_sets_1, globalize_reg): Remove all uses of
10368 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10370 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10372 * rtlanal.c (insns_safe_to_move_p): Remove.
10373 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10375 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10377 * expmed.c (expand_mult_add): Remove.
10378 * expr.h: Remove the prototype for expand_mult_add.
10380 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10382 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10383 and REG_SAVED_VAL_EXP constants.
10384 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10385 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10386 Handle regs stored by value.
10387 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10388 (execute_cfa_program): Handle DW_CFA_val_offset,
10389 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10390 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10391 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10392 (uw_install_context_1): Handle target regs stored by value.
10394 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10396 * tree-sra.c (tree_sra): Return todoflags;
10397 (generate_one_element): Set TODO_update_smt_usage if needed.
10398 (pass_sra): Remove TODO_update_smt_usage.
10399 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10401 (tree_ssa_forward_propagate_single_use_vars): Return
10402 TODO_update_smt_usage if we need to update SMT usage.
10403 (pass_forwprop): Remove TODO_update_smt_usage.
10405 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10407 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10408 (correct_use_link): Remove reference to get_stmt_operands.
10409 (update_stmt_operands): Likewise.
10410 (get_modify_expr_operands): New function factored out of
10411 parse_ssa_operands and get_expr_operands.
10412 Try to create V_MUST_DEFs for LHS by default.
10413 (get_expr_operands) <case MODIFY_EXPR>: Call
10414 get_modify_expr_operands.
10415 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10416 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10417 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10418 get_modify_expr_operands.
10420 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10422 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10423 * tree-flow.h: Remove the prototype for
10424 referenced_var_lookup_if_exists.
10426 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10428 PR rtl-optimization/26345
10430 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10432 2006-03-03 Roger Sayle <roger@eyesopen.com>
10434 PR tree-optimization/26524
10435 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10436 fold_convert to create a constant of the appropriate type.
10438 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10440 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10441 SYMBOL_REF_IN_BLOCK_P.
10442 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10443 of SYMBOL_FLAG_IN_BLOCK.
10444 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10445 instead of SYMBOL_REF_IN_BLOCK_P.
10446 * explow.c (use_anchored_address): Likewise.
10447 * rtl.c (rtx_size): Likewise.
10448 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10449 instead of SYMBOL_FLAG_IN_BLOCK.
10450 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10451 SYMBOL_REF_IN_BLOCK_P.
10452 (assemble_variable): Likewise.
10453 (output_constant_def_contents): Likewise.
10454 (output_constant_pool): Likewise.
10455 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10456 instead of SYMBOL_FLAG_IN_BLOCK.
10457 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10458 SYMBOL_REF_IN_BLOCK_P.
10459 (SYMBOL_REF_BLOCK): Likewise.
10460 (SYMBOL_REF_OFFSET): Likewise.
10461 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10462 SYMBOL_REF_IN_BLOCK_P.
10463 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10464 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10465 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10466 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10468 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10470 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10472 2006-03-02 Roger Sayle <roger@eyesopen.com>
10474 * simplify-rtx.c (simplify_unary_operation): When simplifying
10475 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10476 that we perform the right shift in the appropriate mode, and
10477 then extend or truncate the result to requested mode.
10479 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10481 * gengtype.c (main): Handle double_int type.
10482 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10483 * double-int.c: New file.
10484 * double-int.h: New file.
10485 * system.h: Include doubleint.h.
10486 * Makefile.in (SYSTEM_H): Include double-int.h.
10487 (double-int.o): Add.
10489 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10492 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10495 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10497 * tree-vrp.c (remove_range_assertions): Do not update statements
10500 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10502 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10504 * gcse.c (rest_of_handle_gcse): Ditto.
10505 * except.c (gate_handle_eh): Ditto.
10506 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10507 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10509 2006-03-02 Eric Christopher <echristo@apple.com>
10511 * config/i386/i386.c (machopic_output_stub): Add indirection to
10514 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10518 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10520 Sun Niagara specific optimizations.
10521 * config.gcc: Recognize niagara as target.
10522 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10523 (TARGET_CPU_niagara): Define.
10524 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10525 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10526 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10527 (ASM_CPU_SPEC): Likewise.
10528 (PROCESSOR_NIAGARA): New enum entry.
10529 (REGISTER_MOVE_COST): Handle Niagara.
10530 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10531 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10532 (sparc_override_options): Recognize "niagara", set appropriate
10533 default MASK_* values for it, and align functions to 32-bytes
10534 by default just like ULTRASPARC/ULTRASPARC3.
10535 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10536 (sparc64_initialize_trampoline): Likewise.
10537 (sparc_use_sched_lookahead): Use zero for niagara.
10538 (sparc_issue_rate): Use one for niagara.
10539 * config/sparc/niagara.md: New file.
10540 * config/sparc/sparc.md: Include it.
10541 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10542 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10543 when default cpu is niagara.
10544 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10545 (ASM_CPU_SPEC): Likewise.
10546 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10547 when default cpu is niagara.
10548 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10549 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10550 just like v9/ultrasparc/ultrasparc3.
10551 * doc/invoke.texi: Add documentation for "niagara" and improve
10552 existing documentation for ultrasparc variants.
10554 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10556 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10558 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10560 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10561 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10562 and say that only one is needed.
10563 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10564 * target.h (have_switchable_bss_sections): New hook.
10565 * explow.c (use_anchored_address): Check that the symbol is in a block.
10566 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10567 (bss_noswitch_section): New variables.
10568 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10569 (get_noswitch_section): New function.
10570 (get_block_for_section): Allow SECT to be null.
10571 (unlikely_text_section_p): Use SECTION_STYLE.
10572 (bss_initializer_p): New function.
10573 (get_variable_section): Move earlier in file. Take a new argument,
10574 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10575 Return one of the new *_sections in such cases.
10576 (get_block_for_decl): New function, extracting some logic from
10577 use_blocks_for_decl_p.
10578 (change_symbol_section): Remove in favor of...
10579 (change_symbol_block): ...this new function.
10580 (use_blocks_for_decl_p): Remove checks now performed by
10581 get_block_for_decl.
10582 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10583 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10584 (emit_local, emit_bss, emit_common): ...these new functions.
10585 Return true if the alignment was honored.
10586 (emit_tls_common): New function.
10587 (asm_emit_uninitialised): Delete.
10588 (assemble_variable_noswitch): New function, split out from...
10589 (assemble_variable): ...here. Don't make decisions about common
10590 variables here. Globalize all public decls that go into non-common
10591 sections. Check whether SYMBOL_REF_BLOCK is null.
10592 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10593 (output_constant_pool): Likewise.
10594 (init_varasm_once): Initialize the new section variables.
10595 (have_global_bss_p): New function.
10596 (categorize_decl_for_section): Use bss_initializer_p.
10597 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10598 (place_block_symbol): Assert that the symbol must be in a block.
10599 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10600 (TARGET_INITIALIZER): Include it.
10601 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10602 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10603 (SECTION_MACH_DEP): Bump by two.
10604 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10605 (unnamed_section): Mention SECTION_UNNAMED in comment.
10606 (named_section): Likewise SECTION_NAMED.
10607 (noswitch_section_callback): New type.
10608 (noswitch_section): New structure.
10609 (section): Add a noswitch_section alternative.
10610 (SECTION_STYLE): New macro.
10611 (tls_comm_section, comm_section, lcomm_section): Declare.
10612 (bss_noswitch_section, have_global_bss_p): Declare.
10613 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10614 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10616 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10617 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10620 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10622 * tree-vrp.c (execute_vrp): Return value.
10623 * regrename.c (rest_of_handle_regrename): Ditto.
10624 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10625 * tree-complex.c (tree_lower_complex): Ditto.
10626 (tree_lower_complex_O0): Ditto.
10627 * tracer.c (rest_of_handle_tracer): Ditto.
10628 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10629 * postreload.c (rest_of_handle_postreload): Ditto.
10630 * tree-tailcall.c (execute_tail_recursion): Ditto.
10631 (execute_tail_calls): Ditto.
10632 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10633 * tree.h (init_function_for_compilation): Ditto.
10634 * ipa-cp.c (ipcp_driver): Ditto.
10635 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10636 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10637 * final.c (compute_alignments): Ditto.
10638 (rest_of_handle_final): Ditto.
10639 (rest_of_handle_shorten_branches): Ditto.
10640 (rest_of_clean_state): Ditto.
10641 * omp-low.c (execute_expand_omp): Ditto.
10642 (execute_lower_omp): Ditto.
10643 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10644 * ipa-reference.c (static_execute): Ditto.
10645 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10646 * reorg.c (rest_of_handle_delay_slots): Ditto.
10647 (rest_of_handle_machine_reorg): Ditto.
10648 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10649 * flow.c (recompute_reg_usage): Ditto.
10650 (rest_of_handle_remove_death_notes): Ditto.
10651 (rest_of_handle_life): Ditto.
10652 (rest_of_handle_flow2): Ditto.
10653 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10654 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10655 (do_ssa_store_ccp): Ditto.
10656 (execute_fold_all_builtins): Ditto.
10657 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10658 * modulo-sched.c (rest_of_handle_sms): Ditto.
10659 * ipa-pure-const.c (static_execute): Ditto.
10660 * cse.c (rest_of_handle_cse): Ditto.
10661 (rest_of_handle_cse2): Ditto.
10662 * web.c (rest_of_handle_web): Ditto.
10663 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10664 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10665 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10666 * tree-nrv.c (tree_nrv): Ditto.
10667 (execute_return_slot_opt): Ditto.
10668 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10669 (create_structure_vars): Ditto.
10670 * loop-init.c (rtl_loop_init): Ditto.
10671 (rtl_loop_done): Ditto.
10672 (rtl_move_loop_invariants): Ditto.
10673 (rtl_unswitch): Ditto.
10674 (rtl_unroll_and_peel_loops): Ditto.
10675 (rtl_doloop): Ditto.
10676 * gimple-low.c (lower_function_body): Ditto.
10677 (mark_used_blocks): Ditto.
10678 * tree-ssa-sink.c (execute_sink_code): Ditto.
10679 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10680 (cgraph_early_inlining): Ditto.
10681 * global.c (rest_of_handle_global_alloc): Ditto.
10682 * jump.c (cleanup_barriers): Ditto.
10683 (purge_line_number_notes): Ditto.
10684 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10685 (rest_of_handle_if_after_reload): Ditto.
10686 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10687 (tree_ssa_loop_im): Ditto.
10688 (tree_ssa_loop_unswitch): Ditto.
10689 (tree_vectorize): Ditto.
10690 (tree_linear_transform): Ditto.
10691 (tree_ssa_loop_ivcanon): Ditto.
10692 (tree_ssa_empty_loop): Ditto.
10693 (tree_ssa_loop_bounds): Ditto.
10694 (tree_complete_unroll): Ditto.
10695 (tree_ssa_loop_prefetch): Ditto.
10696 (tree_ssa_loop_ivopts): Ditto.
10697 (tree_ssa_loop_done): Ditto.
10698 * predict.c (tree_estimate_probability): Ditto.
10699 * recog.c (split_all_insns_noflow): Ditto.
10700 (rest_of_handle_peephole2): Ditto.
10701 (rest_of_handle_split_all_insns): Ditto.
10702 * tree-eh.c (lower_eh_constructs): Ditto.
10703 * regmove.c (rest_of_handle_regmove): Ditto.
10704 (rest_of_handle_stack_adjustments): Ditto.
10705 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10706 * function.c (instantiate_virtual_regs): Ditto.
10707 (init_function_for_compilation): Ditto.
10708 (rest_of_handle_check_leaf_regs): Ditto.
10709 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10710 (rest_of_handle_gcse): Ditto.
10711 * ipa-type-escape.c (type_escape_execute): Ditto.
10712 * alias.c (rest_of_handle_cfg): Ditto.
10713 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10714 * profile.c (rest_of_handle_branch_prob): Ditto.
10715 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10716 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10717 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10718 * tree-dfa.c (find_referenced_vars): Ditto.
10719 * except.c (set_nothrow_function_flags): Ditto.
10720 (convert_to_eh_region_ranges): Ditto.
10721 (rest_of_handle_eh): Ditto.
10722 * emit-rtl.c (unshare_all_rtl): Ditto.
10723 (remove_unnecessary_notes): Ditto.
10724 * except.h (set_nothrow_function_flags): Ditto.
10725 (convert_to_eh_region_ranges): Ditto.
10726 * cfgexpand.c (tree_expand_cfg): Ditto.
10727 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10728 * tree-ssa-pre.c (do_pre): Ditto.
10729 (execute_fre): Ditto.
10730 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10731 (rest_of_handle_jump2): Ditto.
10732 * tree-sra.c (tree_sra): Ditto.
10733 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10734 (execute_mudflap_function_decls): Ditto.
10735 * tree-ssa-copy.c (do_copy_prop): Ditto.
10736 (do_store_copy_prop): Ditto.
10737 * ipa-prop.h (ipcp_driver): Ditto.
10738 * cfglayout.c (insn_locators_initialize): Ditto.
10739 * tree-ssa-forwprop.c
10740 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10741 * cfglayout.h (insn_locators_initialize): Ditto.
10742 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10743 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10744 (execute_late_warn_uninitialized): Ditto.
10745 * rtl.h (cleanup_barriers): Ditto.
10746 (split_all_insns_noflow): Ditto.
10747 (purge_line_number_notes): Ditto.
10748 (unshare_all_rtl): Ditto.
10749 (remove_unnecessary_notes): Ditto.
10750 (recompute_reg_usage): Ditto.
10751 (variable_tracking_main): Ditto.
10752 * integrate.c (emit_initial_value_sets): Ditto.
10753 * integrate.h (emit_initial_value_sets): Ditto.
10754 * tree-optimize.c (execute_free_datastructures): Ditto
10755 (execute_free_cfg_annotations): Ditto.
10756 (execute_fixup_cfg): Ditto.
10757 (execute_cleanup_cfg_pre_ipa): Ditto.
10758 (execute_cleanup_cfg_post_optimizing): Ditto.
10759 (execute_init_datastructures): Ditto.
10760 * tree-object-size.c (compute_object_sizes): Ditto.
10761 * combine.c (rest_of_handle_combine): Ditto.
10762 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10763 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10764 (rest_of_handle_reorder_blocks): Ditto.
10765 (rest_of_handle_partition_blocks): Ditto.
10766 * var-tracking.c (variable_tracking_main): Ditto.
10767 * tree-profile.c (tree_profiling): Ditto.
10768 * tree-vect-generic.c (expand_vector_operations): Ditto.
10769 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10770 * sched-rgn.c (rest_of_handle_sched): Ditto.
10771 (rest_of_handle_sched2): Ditto.
10772 * basic-block.h (free_bb_insn): Ditto.
10773 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10774 * tree-cfg.c (execute_build_cfg): Ditto.
10775 (remove_useless_stmts): Ditto.
10776 (split_critical_edges): Ditto.
10777 (execute_warn_function_return): Ditto.
10778 (execute_warn_function_noreturn): Ditto.
10779 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10780 * cfgrtl.c (free_bb_for_insn): Ditto.
10781 * passes.c (execute_one_pass): Run additional
10782 todos returned by execute function.
10783 * tree-pass.h (struct tree_opt_pass): Make execute
10786 2006-03-02 Richard Guenther <rguenther@suse.de>
10788 * tree-ssa-alias.c (find_used_portions): Consider taking
10789 the address as making the variable not write-only.
10791 2006-03-02 Nick Clifton <nickc@redhat.com>
10793 * config.gcc (default_use_cxa_atexit): Extend the description of
10794 this configure variable. Set its default value to "yes" for
10795 Linux, NetBSD and ELF targets on the assumption that they will
10796 use C libraries with the __cxa_atexit function.
10798 2006-03-02 Ben Elliston <bje@au.ibm.com>
10800 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10801 parameter as unused to suppress a build warning.
10803 2006-03-02 Ben Elliston <bje@au.ibm.com>
10805 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10808 2006-03-01 Roger Sayle <roger@eyesopen.com>
10811 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10812 declared name, the weak reference name, and the typeof name.
10813 (__gthrw): Avoid expanding the declared name suffix.
10814 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10816 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10818 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10820 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10821 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10822 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10823 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10824 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10825 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10826 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10827 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10828 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10829 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10830 (DW_END_default, DW_END_big, DW_END_little): New.
10831 (DW_END_lo_user, DW_END_hi_user): Define.
10832 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10833 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10834 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10837 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10839 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10841 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10843 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10845 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10847 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10848 to 'symbol_mem_tag'.
10850 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10853 2006-03-01 Roger Sayle <roger@eyesopen.com>
10855 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10857 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10860 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10861 MACHO_DYNAMIC_NO_PIC_P.
10862 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10864 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10867 * config/darwin-protos.h (darwin_asm_output_anchor):
10869 * config/darwin-sections.def (cstring_section):
10870 Add SECTION_MERGE to the flags.
10871 (literal4_section): Likewise.
10872 (literal8_section): Likewise.
10873 (objc_selector_refs_section): Likewise.
10874 (objc_cls_refs_section): Likewise.
10875 * config/darwin.c (darwin_asm_output_anchor): New
10877 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10879 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10881 Fix PR tree-optimization/26443
10882 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10883 to todo and PROP_tmt_usage to properties_destroyed.
10884 * tree-ssa-ccp.c (pass_ccp): Ditto.
10885 (pass_store_ccp): Ditto.
10886 * tree-ssa-dom.c (pass_dominator): Ditto.
10888 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10890 * tree-ssa-operands.c: Cleanup whitespace.
10891 (get_asm_expr_operands): Move before first invocation.
10892 (get_indirect_ref_operands): Likewise.
10893 (get_tmr_operands): Likewise.
10894 (get_call_expr_operands): Likewise.
10895 (append_def): Likewise.
10896 (append_use): Likewise.
10897 (append_v_may_def): Likewise.
10898 (append_v_must_def): Likewise.
10899 (add_call_clobber_ops): Likewise.
10900 (add_call_read_ops): Likewise.
10901 (add_stmt_operand): Likewise.
10902 (add_virtual_operand): Likewise.
10903 (build_ssa_operands): Likewise.
10905 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10907 PR middle-end/26022
10909 PR middle-end/24437
10910 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10911 with a call expr to ...
10912 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10914 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10916 * tree-vrp.c (extract_range_from_assert): Remove special
10917 handling for types with super-types.
10919 2006-03-01 Ben Elliston <bje@au.ibm.com>
10921 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10922 and powerpc64-*-linux* configurations.
10923 * config/t-dfprules: New file.
10925 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10926 Compile dfp-bit.c from the source directory using -DWIDTH and
10927 $DFP_CFLAGS to control the compilation of that file, rather than
10928 generating width-specific versions in the build directory.
10929 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10930 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10932 2006-02-28 Zack Weinberg <zackw@panix.com>
10934 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10937 2006-02-28 Eric Christopher <echristo@apple.com>
10939 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10940 Set up IN_LIBGCC definition of TARGET_64BIT.
10941 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10943 2006-02-28 Roger Sayle <roger@eyesopen.com>
10945 PR middle-end/14752
10946 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10947 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10948 cases via the construction of "expr != 0".
10950 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10952 * alias.c (alias_invariant, alias_invariant_size): Remove.
10953 (record_base_value): Remove.
10954 (memrefs_conflict_p): Don't look at alias_invariant.
10955 (end_alias_analysis): Don't free it.
10956 * alias.h (record_base_value): Remove prototype.
10958 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10959 Adam Nemet <anemet@caviumnetworks.com>
10961 * rtl.h (truncated_to_mode): Declare it.
10962 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10963 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10964 (RTL_HOOKS_INITIALIZER): Include it.
10965 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10966 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10967 reg_truncated_to_mode.
10968 * rtlanal.c (truncated_to_mode): Define it.
10969 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10971 2006-02-28 Jeff Law <law@redhat.com>
10973 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10974 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10975 the range allowed by TYPE_PRECISION.
10977 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10979 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10981 PR tree-optimization/26419
10982 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10985 2006-02-27 Zack Weinberg <zackw@panix.com>
10987 * doc/md.texi: Fix typo in previous change.
10989 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10993 2006-02-27 Zack Weinberg <zackw@panix.com>
10995 * rtl.def (define_constraint, define_register_constraint)
10996 (define_memory_constraint, define_address_constraint): New MD forms.
10997 * gensupport.c (process_rtx): Put define_constraint etc on the
10999 * genpreds.c (process_define_predicate): Adjust comment. Validate
11000 the name, and call validate_exp to validate the expression.
11001 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11002 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11003 all callers changed.
11004 (validate_exp, needs_variable, struct constraint_data)
11005 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11006 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11007 (const_dbl_constraints, constraint_max_namelen)
11008 (have_register_constraints, have_memory_constraints)
11009 (have_address_constraints, have_address_constraints)
11010 (have_extra_constraints, have_const_int_constraints)
11011 (have_const_dbl_constraints, mangle, add_constraint)
11012 (process_define_constraint, process_define_register_constraint)
11013 (write_enum_constraint_num, write_lookup_constraint)
11014 (write_insn_constraint_len, write_regclass_for_constraint)
11015 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11016 (write_insn_extra_memory_constraint)
11017 (write_insn_extra_address_constraint)
11018 (write_satisfies_constraint_fns): New.
11019 (write_tm_preds_h): If we have new-style constraint definitions,
11020 prototype the functions generated from them, and define the
11021 old constraint interface (still used by generic code) in terms of
11023 (write_insn_preds_c): If we have new-style constraint definitions,
11024 generate all relevant functions from those definitions.
11025 (main): Handle define_constraint etc.
11026 * genoutput.c (struct constraint_data, indep_constraints)
11027 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11028 (mdep_constraint_len): New data structures and functions, defined
11029 #ifdef USE_MD_CONSTRAINTS.
11030 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11031 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11032 use new logic to validate operand constraints against constraint
11034 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11036 * defaults.h: If none of the old-style constraint macros are
11037 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11038 old-style macros; and poison REG_CLASS_FROM_LETTER,
11039 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11041 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11042 * doc/md.texi: Document new constraint-definition mechanism and the
11043 C interface it provides. Remove references to old mechanism
11044 elsewhere in the document.
11045 (Machine Constraints): Use pathnames relative to gcc directory,
11046 i.e. config/ARCH/FILE. Change i386 section to refer to
11047 config/i386/predicates.md; update that section to match docstrings.
11048 * doc/tm.texi: Move all documentation of the old constraint-
11049 definition macros to their own section, clearly mark as obsolete.
11051 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11052 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11054 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11055 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11056 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11057 constraint strings.
11058 (splits and peepholes): Use satisfies_constraint_*.
11059 * config/i386/i386.c (memory_address_length)
11060 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11062 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11064 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11065 scalar operation to be put back into the loop.
11067 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11070 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11071 (extract_cie_info): Handle S flag in augmentation string.
11072 (execute_cfa_program): If context->signal_frame, execute also
11073 fs->pc == context->ra instructions.
11074 (uw_frame_state_for): If context->signal_frame, don't subtract one
11075 from context->ra to find FDE.
11076 (uw_update_context_1): Set context->signal_frame to
11078 (_Unwind_GetIPInfo): New function.
11079 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11080 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11082 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11083 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11084 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11085 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11086 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11087 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11088 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11089 x86_64_fallback_frame_state): Set fs->signal_frame.
11090 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11091 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11092 (frob_update_context): Likewise. Workaround missing S flag in
11093 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11094 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11095 Remove the psw_addr + 1 hack.
11097 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11099 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11100 with aggregates here.
11101 (find_func_aliases): Remove code for &<aggregate> from here.
11103 2006-02-26 Roger Sayle <roger@eyesopen.com>
11105 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11106 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11107 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11108 as (X & C) ne/eq 0.
11110 2006-02-26 Roger Sayle <roger@eyesopen.com>
11112 PR middle-end/19983
11113 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11115 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11117 * opts.c (decode_options): Do not handle flag_strength_reduce.
11118 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11119 and OPT_fstrength_reduce.
11120 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11121 flag_prefetch_loop_arrays for being nonzero.
11122 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11124 (fprefetch-loop-arrays-rtl): Removed.
11125 (flag_prefetch_loop_arrays): Do not specify the value.
11127 * doc/passes.texi: Update documentation of loop optimizer
11129 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11130 -frerun-loop-opt): Remove.
11132 2006-02-26 Richard Guenther <rguenther@suse.de>
11134 PR tree-optimization/26421
11135 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11136 in function calls that are ADDR_EXPRs as using the whole structure.
11138 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11140 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11141 * tree-pass.h (pass_loop_optimize): Remove.
11142 * passes.c (pass_loop_optimize): Never run it.
11143 * toplev.c (backend_init): Don't call init_loop.
11144 * opts.c (flag_loop_optimize_set): Remove.
11145 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11146 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11147 the old RTL loop optimizer when profiling enabled.
11148 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11149 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11150 pre-headers for the sake of the old RTL loop optimizer.
11151 * Makefile.in: Remove all references to loop.o.
11153 * doc/invoke.texi: Remove all references to -floop-optimize
11154 and -frerun-loop-opt.
11156 2006-02-26 Zack Weinberg <zackw@panix.com>
11158 * doc/md.texi (Machine Constraints): Refer to all files with paths
11159 relative to gcc directory (i.e. config/CPU/file). Add missing
11160 @table @code ... @end table to M32C subsection.
11162 2006-02-26 Roger Sayle <roger@eyesopen.com>
11164 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11166 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11168 2006-02-26 Roger Sayle <roger@eyesopen.com>
11169 James A. Morrison <phython@gcc.gnu.org>
11171 PR middle-end/21137
11172 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11173 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11174 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11175 signedness of the shift operation.
11177 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11179 PR tree-optimization/26359
11180 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11182 2006-02-25 Roger Sayle <roger@eyesopen.com>
11184 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11185 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11186 as X == 0, and some symmetry related transformations.
11187 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11189 2006-02-25 Roger Sayle <roger@eyesopen.com>
11191 PR middle-end/23673
11192 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11193 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11194 symmetry related transformations. Fold (X^C1) == C2 as
11197 2006-02-25 Juergen Weigert <jw@suse.de>
11198 Richard Guenther <rguenther@suse.de>
11200 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11202 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11204 * combine.c (gen_lowpart_or_truncate): Call
11205 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11207 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11209 * doc/invoke.texi: Move -fopenmp description to "Options for
11211 Remove reference to -lgomp.
11213 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11215 * doc/install.texi: Require GNU tar version 1.14.
11217 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11219 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11220 * doc/invoke.texi (C++ Dialect Options): Document
11221 -fno-use-cxa-get-exception-ptr.
11222 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11223 * configure: Regenerate.
11224 * c.opt (fuse-cxa-get-exception-ptr): New.
11225 * c-opts.c (c_common_handle_option): Handle
11226 OPT_fuse_cxa_get_exception_ptr.
11227 * c-common.c (flag_use_cxa_atexit): Update documentation.
11228 (flag_use_cxa_get_exception_ptr): New.
11229 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11230 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11232 (C_COMMON_OVERRIDE_OPTIONS): New.
11234 2006-02-24 Roger Sayle <roger@eyesopen.com>
11236 PR middle-end/24952
11237 * combine.c (try_combine): Explicitly check whether GET_CODE is
11238 a SET or a CLOBBER, instead on checking that it isn't a USE.
11240 2006-02-24 Roger Sayle <roger@eyesopen.com>
11242 * fold-const.c (fold_comparison): New subroutine of fold_binary
11243 containing transformations common to both the equality and
11244 ordering relational operators, factored out of fold_binary.
11245 (fold_binary): Separate out the equality operators (EQ_EXPR
11246 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11247 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11248 transformations common to both.
11249 (fold_div_compare): Fix latent bugs in the previously unreachable
11250 LT_EXPR and GE_EXPR cases.
11252 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11254 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11255 decl libname for clog to __clog on AIX.
11257 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11259 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11262 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11263 output traceback table for thunks. Localise rs6000_stack_info call.
11265 2006-02-23 Roger Sayle <roger@eyesopen.com>
11266 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11268 * gthr-posix.h (__gthrw): Fix typo in comment.
11270 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11272 * doc/cpp.texi (Character sets): Document that we do support
11273 input files to be in any character set.
11275 2006-02-23 Jeff Law <law@redhat.com>
11277 * tree.h (PHI_ARG_NONZERO): Remove.
11278 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11279 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11280 node to the new node.
11282 PR tree-optimization/26425
11283 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11284 min/max, then assume its varying.
11286 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11288 PR rtl-optimization/26316
11289 * rtlanal.c (enum may_trap_p_flags): New.
11290 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11291 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11292 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11293 (may_trap_after_code_motion_p): New function.
11294 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11295 (find_invariant_insn): Use may_trap_after_code_motion_p.
11296 * rtl.h (may_trap_after_code_motion_p): Declare.
11298 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11300 * emit-rtl.c (immed_double_const): Cleanup.
11302 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11304 Fix PR tree-optimization/26376
11305 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11308 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11310 PR middle-end/26412
11311 * gimplify.c (omp_add_variable): Guard variable size decl test with
11312 DECL_SIZE (decl) check.
11314 2006-02-23 Richard Guenther <rguenther@suse.de>
11316 PR middle-end/26439
11317 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11318 like aggregate types.
11320 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11322 * configure.ac: Add --with{,out}-long-double-128 configure option.
11323 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11324 * configure: Rebuilt.
11325 * config.in: Rebuilt.
11326 * doc/install.texi (Options specification): Document
11327 --with-long-double-128.
11329 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11330 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11331 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11332 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11334 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11336 * config/s390/s390.c (override_options): Handle
11337 TARGET_DEFAULT_LONG_DOUBLE_128.
11339 * config/alpha/alpha.c (override_options): Handle
11340 TARGET_DEFAULT_LONG_DOUBLE_128.
11342 * config/sparc/sparc.c (sparc_override_options): Handle
11343 TARGET_DEFAULT_LONG_DOUBLE_128.
11345 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11347 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11348 (real-install-headers-tar, real-install-headers-cpio)
11349 (real-install-headers-cp): New targets.
11351 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11353 * tree.h (variable_section): Delete.
11354 * varasm.c (variable_section): Delete.
11356 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11358 * install.texi: Add notes on install.texi2html.
11359 (Building in parallel): Do not use footnotes.
11361 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11364 * doc/install.texi (Configuration): Document --disable-libgomp.
11366 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11368 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11370 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11372 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11373 (vec_extractv2df_0_sse): New.
11375 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11377 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11378 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11379 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11380 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11381 to the result of the expression.
11382 (def_cfa_1): Adjust.
11383 (frame_pointer_cfa_offset): Rename to...
11384 (frame_pointer_fb_offset): ... this. Adjust all uses.
11385 (convert_cfa_to_loc_list): Rename to...
11386 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11387 Pass it on to build_cfa_loc.
11388 (compute_frame_pointer_to_cfa_displacement): Rename to...
11389 (compute_frame_pointer_to_fb_displacement): ... this. New
11390 offset parameter. Use it in computation.
11391 (gen_subprogram_die): Compute cfa_fb_offset with the new
11392 macro, and use it to compute the fb loc list and the
11395 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11397 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11398 replaced with register_operand.
11399 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11400 non-DREG is expensive.
11401 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11402 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11405 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11407 * doc/install.texi2html: Use set -e.
11409 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11411 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11412 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11413 * doc/invoke.texi (-fshared-data): Delete.
11414 * common.opt (fshared-data): Delete.
11415 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11416 (assemble_static_space): Remove #if 0 code.
11417 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11418 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11419 * config/cris/cris.h: Remove FIXME.
11421 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11423 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11426 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11428 PR middle-end/26379
11429 * combine.c (simplify_shift_const_1): Disable nested shifts
11430 optimization for vector shifts.
11432 2006-02-20 Roger Sayle <roger@eyesopen.com>
11434 PR tree-optimization/26361
11435 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11436 of unsigned integer types.
11438 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11440 * tree-chrec.c (eq_evolutions_p): New.
11441 * tree-chrec.h (eq_evolutions_p): Declared.
11442 * tree-data-ref.c: Fix formatting.
11443 (datadep_stats, dependence_stats): New.
11445 (print_direction_vector): New.
11446 (dump_data_dependence_relation): Use print_direction_vector.
11447 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11448 (compute_subscript_distance): Static.
11449 (initialize_data_dependence_relation): Static. Get the number
11450 of loops surrounding the references from the callers, and initialize
11451 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11452 base_object_differ_p analyzers.
11453 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11454 compute_overlap_steps_for_affine_1_2,
11455 analyze_subscript_affine_affine): Count the classified dependences.
11456 Print a message when a test failed.
11457 (can_use_analyze_subscript_affine_affine): New.
11458 (analyze_siv_subscript): Compute the data dependences on symbolic
11459 scevs that verify can_use_analyze_subscript_affine_affine.
11460 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11461 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11462 Handle symbolic scevs.
11463 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11465 (subscript_dependence_tester): Moved...
11466 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11467 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11468 DDR_SIZE_VECT instead of getting it in parameter.
11469 (subscript_dependence_tester): ... here. Take as a parameter
11470 loop_nest_depth. Call build_classic_dist_vector and
11471 build_classic_dir_vector.
11472 (compute_affine_dependence): Update subscript_dependence_tester
11473 parameters. Update datadep_stats counters. Call
11474 compute_subscript_distance.
11475 (compute_self_dependence): Save the dist and dir vectors. Call
11476 compute_subscript_distance.
11477 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11478 (compute_all_dependences): Reorder parameters as they were before
11479 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11480 compute_subscript_distance. Update the use of
11481 compute_affine_dependence and initialize_data_dependence_relation.
11482 (find_data_references_in_loop): Handle COMPONENT_REF.
11483 (compute_data_dependences_for_loop): Initialize dependence_stats.
11484 Don't call build_classic_dist_vector and build_classic_dir_vector.
11485 Update the parameters of initialize_data_dependence_relation and
11486 compute_all_dependences. Print the statistics from datadep_stats.
11487 (analyze_all_data_dependences): Static. Not used until the pass for
11488 checking the data dependences is contributed.
11489 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11490 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11491 (initialize_data_dependence_relation, compute_affine_dependence,
11492 analyze_all_data_dependences, compute_subscript_distance): Removed.
11493 (print_direction_vector): New.
11494 * lambda.h (gcd): ... here.
11495 (lambda_vector_gcd): Moved here from gcd_vector.
11496 * lambda-code.c (gcd, gcd_vector): Removed.
11497 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11498 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11500 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11502 * ipa-type-escape.c: Tidy some comments and white space.
11503 * tree-ssa-operands.c: Likewise.
11505 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11508 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11509 (dump_decl_name): Do not walk the decl tree chains.
11510 * tree-pass.h (TDF_CHAIN): Remove.
11512 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11514 * Makefile.in (C): Remove
11516 (.PHONY): Remove C and PROTO
11518 2006-02-20 Roger Sayle <roger@eyesopen.com>
11520 PR middle-end/26236
11521 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11522 deprecated CHAR_TYPE tree code.
11524 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11526 * configure.ac (target_list): Add install-info, dvi, html.
11527 * configure: Regenerate.
11529 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11530 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11531 treelang/Make-lang.in: Do not use double-colon rules.
11533 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11535 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11536 (TMT_USED_ALONE): New macro.
11537 * tree-pass.h (PROP_tmt_usage): New property.
11538 (TODO_update_tmt_usage): New todo.
11539 * tree-ssa-alias.c (updating_used_alone): New variable.
11540 (recalculate_used_alone): New function.
11541 (compute_may_aliases): Set updating_used_alone, call
11542 recalculate_used_alone.
11543 * tree-sra.c (pass_sra): Note that this pass destroys
11544 PROP_tmt_usage, and add TODO_update_tmt_usage.
11545 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11546 * tree-flow.h (updating_used_alone): Prototype.
11547 (recalculate_used_alone): Ditto.
11548 * passes.c (execute_todo): Add code to set updating_used_alone,
11549 and call recalculate.
11550 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11551 for clobber if used alone, and add assert to verify used_alone
11554 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11556 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11557 for non tls symbols added.
11558 (legitimize_address): Do nothing for PLUS expressions if one of the
11559 addends is a tls symbol reference.
11561 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11565 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11567 * Makefile.in (BOOTSTRAPPING): New.
11568 (quickstrap): New definition if BOOTSTRAPPING=yes.
11570 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11571 * configure.ac: Substitute all_selected_languages with the languages
11572 that were configured. For all the other variables except
11573 lang_specs_files, include all the languages in the tree.
11574 * configure: Regenerate.
11576 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11577 if there is one. Run the commands to run fixincludes in the same
11580 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11581 * doc/install.texi: Document exact conventions for searching target tools.
11582 Document --with-build-time-tools. Document toplevel bootstrap. Document
11583 something more about building an Ada cross-compiler. Don't list GNU Make
11584 requirements which affect all platforms.
11586 2006-02-19 Roger Sayle <roger@eyesopen.com>
11588 PR middle-end/19543
11589 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11590 only equivalent if the have both the same mode and precision.
11592 2006-02-20 Ben Elliston <bje@au.ibm.com>
11594 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11596 2006-02-19 Roger Sayle <roger@eyesopen.com>
11597 Steven Bosscher <stevenb.gcc@gmail.com>
11599 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11600 constant pool references to identify stack mode constants.
11601 * rtlanal.c (constant_pool_constant_p): New predicate to check
11602 whether operand is a floating point constant in the pool.
11603 * rtl.h (constant_pool_constant_p): Prototype here.
11604 * loop.c (scan_loop): Avoid hoisting constants from the constant
11605 pool on STACK_REGS targets.
11606 (load_mems): Likewise.
11607 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11608 loads into x87 registers expensive in terms of register pressure.
11610 2006-02-19 Roger Sayle <roger@eyesopen.com>
11612 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11613 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11615 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11617 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11618 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11620 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11622 * doc/invoke.texi: Document -fipa-pta.
11623 * common.opt: Add ipa-pta option.
11624 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11625 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11626 (do_ds_constraint): Ditto.
11627 (get_constraint_for): Only add to referenced_vars if
11628 referenced_vars exists.
11629 (insert_into_field_list): Rewrite to do this unsorted.
11630 (insert_into_field_list_sorted): Rename old insert_into_field_list
11632 (create_function_info_for): Use insert_into_field_list_sorted.
11633 (create_variable_info_for): Rewrite so it uses unsorted version,
11634 since the field list is sorted.
11635 (intra_create_variable_infos): Only add to referenced_vars if
11636 referenced_vars exists.
11637 (ipa_pta_execute): Init heapvars, and delete when done.
11638 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11640 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11642 * doc/install.texi: Add missing `@samp'.
11644 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11646 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11649 2006-02-18 Mark Wielaard <mark@klomp.org>
11651 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11652 who added new 4.1 features, bug fixes and integration support.
11654 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11657 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11658 MEM for ABI_V4 pic.
11660 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11662 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11663 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11664 (copy_insn_1): Likewise. Don't copy each field individually.
11666 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11668 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11669 * rtl.c (rtx_size): Rename variable to...
11670 (rtx_code_size): ...this.
11671 (rtx_size): New function.
11672 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11673 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11675 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11676 * rtl.h (rtx_code_size): New variable.
11677 (rtx_size): Change from a variable to a function.
11678 (RTX_SIZE): Rename to...
11679 (RTX_CODE_SIZE): ...this.
11682 PR tree-optimization/17106
11683 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11684 (Anchored Addresses): New section.
11685 * doc/invoke.texi (-fsection-anchors): Document.
11686 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11687 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11688 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11689 * hooks.c (hook_bool_mode_rtx_false): New function.
11690 * hooks.h (hook_bool_mode_rtx_false): Declare.
11691 * gengtype.c (create_optional_field): New function.
11692 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11693 SYMBOL_REF_IN_BLOCK_P is true.
11694 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11695 (min_anchor_offset, max_anchor_offset): Likewise.
11696 (use_anchors_for_symbol_p): New hook.
11697 * toplev.c (compile_file): Call output_object_blocks.
11698 (target_supports_section_anchors_p): New function.
11699 (process_options): Check that -fsection-anchors is only used on
11700 targets that support it and when -funit-at-a-time is in effect.
11701 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11702 if the decl doesn't have one.
11703 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11704 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11705 of force_const_mem through use_anchored_address.
11706 (expand_expr_constant): New function.
11707 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11708 calling expand_expr for INDIRECT_REF.
11709 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11710 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11711 * expr.h (use_anchored_address): Declare.
11712 * loop-unroll.c: Don't declare rtx vectors here.
11713 * explow.c: Include output.h.
11714 (validize_mem): Call use_anchored_address.
11715 (use_anchored_address): New function.
11716 * common.opt (-fsection-anchors): New switch.
11717 * varasm.c (object_block_htab, anchor_labelno): New variables.
11718 (hash_section, object_block_entry_eq, object_block_entry_hash)
11719 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11720 (use_blocks_for_decl_p, change_symbol_section): New functions.
11721 (get_variable_section): New function, split out from assemble_variable.
11722 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11723 use_blocks_for_decl_p say so. Use change_symbol_section if the
11724 symbol has already been created.
11725 (assemble_variable_contents): New function, split out from...
11726 (assemble_variable): ...here. Don't output any code for
11727 block symbols; just pass them to place_block_symbol.
11728 Use get_variable_section and assemble_variable_contents.
11729 (get_constant_alignment, get_constant_section, get_constant_size): New
11730 functions, split from output_constant_def_contents.
11731 (build_constant_desc): Create a block symbol if use_object_blocks_p
11732 says so. Or into SYMBOL_REF_FLAGS.
11733 (assemble_constant_contents): New function, split from...
11734 (output_constant_def_contents): ...here. Don't output any code
11735 for block symbols; just pass them to place_section_symbol.
11736 Use get_constant_section and get_constant_alignment.
11737 (force_const_mem): Create a block symbol if use_object_blocks_p and
11738 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11739 (output_constant_pool_1): Add an explicit alignment argument.
11740 Don't switch sections here.
11741 (output_constant_pool): Adjust call to output_constant_pool_1.
11742 Switch sections here instead. Don't output anything for block symbols;
11743 just pass them to place_block_symbol.
11744 (init_varasm_once): Initialize object_block_htab.
11745 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11746 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11747 (place_block_symbol, get_section_anchor, output_object_block)
11748 (output_object_block_htab, output_object_blocks): New functions.
11749 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11750 (TARGET_ASM_OUT): Include it.
11751 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11752 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11753 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11754 (TARGET_INITIALIZER): Include them.
11755 * rtl.c (rtl_check_failed_block_symbol): New function.
11756 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11757 (block_symbol, object_block): New structures.
11758 (rtx_def): Add a block_symbol field to the union.
11759 (BLOCK_SYMBOL_CHECK): New macro.
11760 (rtl_check_failed_block_symbol): Declare.
11761 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11762 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11763 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11764 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11765 * output.h (output_section_symbols): Declare.
11766 (object_block): Name structure.
11767 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11768 (default_use_anchors_for_symbol_p): Declare.
11769 * Makefile.in (RTL_BASE_H): Add vec.h.
11770 (explow.o): Depend on output.h.
11771 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11772 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11773 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11774 (rs6000_use_blocks_for_constant_p): New function.
11776 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11778 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11780 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11783 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11786 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11788 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11792 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11794 PR middle-end/26334
11795 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11796 instead of DECL_REGISTER.
11798 2006-02-18 Olivier Hainque <hainque@adacore.com>
11801 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11803 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11806 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11807 * opth-gen.awk: Handle Var and InverseMask together.
11808 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11809 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11810 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11811 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11813 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11814 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11815 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11816 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11817 LINUX_DYNAMIC_LINKER): Define.
11818 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11819 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11821 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11822 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11823 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11824 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11825 (TARGET_C99_FUNCTIONS): Don't define.
11826 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11827 GLIBC_DYNAMIC_LINKER.
11828 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11829 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11830 GLIBC_DYNAMIC_LINKER64): Define.
11831 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11832 LINUX_DYNAMIC_LINKER64.
11833 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11834 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11835 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11836 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11837 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11838 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11839 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11840 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11841 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11842 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11843 and LINUX_DYNAMIC_LINKER32.
11844 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11845 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11846 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11847 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11848 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11850 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11851 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11852 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11853 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11854 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11855 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11856 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11857 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11858 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11859 LINUX_DYNAMIC_LINKER): Define.
11860 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11861 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11862 GLIBC_DYNAMIC_LINKER64): Define.
11863 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11864 LINUX_DYNAMIC_LINKER64.
11865 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11866 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11867 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11868 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11869 LINUX_DYNAMIC_LINKER): Define.
11870 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11871 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11872 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11873 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11874 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11875 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11876 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11877 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11878 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11879 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11880 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11881 * doc/invoke.texi (-muclibc): Remove caveat about supported
11884 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11886 * doc/cpp.texi (__TIMESTAMP__): Document.
11888 2006-02-17 Roger Sayle <roger@eyesopen.com>
11890 PR middle-end/25600
11891 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11892 C is one less than the width of X (and related transformations).
11893 * simplify-rtx.c (simplify_unary_operation_1): Transform
11894 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11895 depending on STORE_FLAG_VALUE, were C is one less then the
11898 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11900 Fix PR tree-optimization/26341
11901 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11902 about NAME_MEMORY_TAG's.
11904 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11907 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11908 with hardware float support, and software float support. Add fcpy
11909 alternative to hardware patterns. Add alternatives to copy between
11910 general and floating-point registers to the 32-bit pattern.
11911 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11912 secondary reload to load a QI or HI mode constant into a floating
11914 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11915 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11917 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11920 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11922 (load_macho_picbase_di): Likewise.
11924 2006-02-16 Jeff Law <law@redhat.com>
11926 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11927 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11928 (ssa_name_nonzero_p): Likewise.
11929 (get_value_range): Return NULL if VRP is not running.
11930 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11931 VRP routines do not discover a range.
11932 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11933 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11934 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11935 (tree_expr_nonnegative_p): Similarly.
11936 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11937 (restore_nonzero_vars_to_original_value): Remove.
11938 (unsafe_associative_fp_binop): Remove.
11939 (tree_ssa_dominator_optimize): Remove initialization and
11940 finalization of nonzero_vars and nonzero_vars_stack.
11941 (dom_opt_initialize_block): No longer push marker on
11942 nonzero_vars_stack.
11943 (dom_opt_finalize_block): No longer call
11944 restore_nonzero_vars_to_original_value.
11945 (record_equivalences_from_phis): No longer look for
11946 nonzero PHI arguments.
11947 (cprop_into_successor_phis): No longer propagate nonzero
11948 property into PHI arguments. Lose unused argument. Caller
11950 (record_equivalences_from_stmt): No longer record nonzero
11951 values for SSA_NAMEs.
11952 (lookup_avail_expr): No longer use nonzero_vars.
11954 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11955 for sizetype when sizetype is unsigned.
11957 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11959 PR rtl-optimization/25603
11960 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11961 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11962 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11963 with new meaning of SETS.
11965 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11970 * config/linux.opt: New file.
11971 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11972 LINUX_DYNAMIC_LINKER): Define.
11973 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11974 * config.gcc (*-*-linux*): Define extra_options.
11975 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11976 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11977 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11978 GLIBC_DYNAMIC_LINKER.
11979 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11980 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11981 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11982 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11983 * doc/invoke.texi (GNU/Linux Options): New section.
11985 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11987 * config/sparc/sparc.md (setjmp): Rewrite.
11988 (setjmp_32): Delete.
11989 (setjmp_64): Likewise.
11991 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11993 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11996 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11998 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12001 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12003 PR rtl-optimization/26296
12004 * Makefile.in (loop-invariant.c): Add except.h dependency.
12005 * loop-invariant.c: Include except.h.
12006 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12008 2005-02-16 Paul Brook <paul@codesourcery.com>
12010 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12013 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12015 PR rtl-optimization/25636
12016 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12017 when deciding whether an insn is an initializing insn.
12019 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12021 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12022 (tree_code_size): Ditto.
12023 * tree.h (struct tree_memory_tag): Remove parent_var.
12024 (struct tree_struct_field_tag): New.
12027 (union tree_node): Add sft member.
12028 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12030 (create_sft): Add size and offset argument, set SFT_OFFSET and
12032 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12033 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12034 * tree-flow-inline.h (get_subvar_at): Update for
12035 SFT_OFFSET/SFT_SIZE.
12036 (var_can_have_subvars): Ditto.
12037 (overlap_subvar): Ditto.
12038 * print-tree.c (print_node): Print out interesting things for
12040 * tree-flow.h (struct subvar): Remove offset and size members.
12041 * tree-ssa-operands.c (get_expr_operands): Update for
12042 get_indirect_ref_operands changes.
12043 (get_indirect_ref_operands): Call add_virtual_operand instead of
12044 add_stmt_operand. Only recurse on base var if requested.
12045 (access_can_touch_variable): New function.
12046 (add_stmt_operand): Split virtual operand handling into ...
12047 (add_virtual_operand): Here. Add offset, size, and for_clobber
12048 arguments. Prune alias sets.
12049 (add_call_clobber_ops): Call add_virtual_operand.
12051 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12053 PR middle-end/26300
12054 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12056 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12057 than TREE_CODE as index into omp_clause_num_ops array.
12059 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12061 PR rtl-optimization/26184
12062 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12064 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12065 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12066 must_precede, must_follow and tobe_scheduled.
12069 * opts.c (common_handle_option): Free new_option pointer.
12070 * df-core.c (df_analyze): Free postorder pointer.
12072 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12074 * Makefile.in: Fix the examples about the use of stamps
12076 2006-02-15 Michael Matz <matz@suse.de>
12078 PR middle-end/22275
12080 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12081 influenced by maximum_field_alignment or DECL_PACKED.
12082 (update_alignment_for_field): Ditto.
12083 (place_field): Ditto.
12084 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12087 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12089 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12090 (debug_flow_info): Pass it.
12091 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12092 * bb-reorder.c (reorder_basic_blocks): Likewise.
12093 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12094 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12095 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12096 * gcse.c (gcse_main, bypass_jumps): Likewise.
12097 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12098 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12099 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12100 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12101 * rtl.h (dump_flow_info): Adjust prototype.
12102 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12103 * var-tracking.c (variable_tracking_main): Likewise.
12104 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12105 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12108 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12110 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12113 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12115 PR tree-optimization/26209
12116 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12117 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12119 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12121 2006-02-14 Roger Sayle <roger@eyesopen.com>
12123 PR middle-end/23670
12124 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12125 (X,Y) and the corresponding symmetry related transformations.
12126 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12127 (X,Y) and its symmetry related transformations.
12129 2006-02-14 Roger Sayle <roger@eyesopen.com>
12131 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12134 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12136 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12138 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12141 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12142 support COMDAT group.
12143 * configure: Regenerate.
12145 2006-02-14 Roger Sayle <roger@eyesopen.com>
12147 PR middle-end/26279
12148 PR middle-end/26280
12149 PR middle-end/26283
12150 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12152 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12154 Fix PR tree-optimization/26260
12156 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12158 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12159 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12160 * tree-ssa-structalias.c (create_variable_info_for): Use
12161 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12163 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12165 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12167 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12168 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12169 of the ending condition.
12170 * tree-ssa-loop-manip.c: Include params.h.
12171 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12172 tree_unroll_loop): New functions.
12173 * tree-pass.h (pass_loop_prefetch): Declare.
12174 * loop.c (rest_of_handle_loop_optimize): Test for
12175 -fprefetch-loop-arrays-rtl.
12176 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12177 * timevar.def (TV_TREE_PREFETCH): New timevar.
12178 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12179 pass_loop_prefetch): New.
12180 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12181 (cleanup_tree_cfg_loop): Call scev_reset.
12182 * common.opt (fprefetch-loop-arrays-rtl): Add.
12183 * tree-ssa-loop-prefetch.c: New file.
12184 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12185 (new_temp_expr_table): Initialize expr_vars.
12186 (free_temp_expr_table): Cleanup expr_vars.
12187 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12188 expressions from being merged into one.
12189 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12190 (struct tree_niter_desc): Add control, bound and cmp fields.
12191 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12193 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12194 (tree-cfgcleanup.o): Add SCEV_H dependency.
12195 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12196 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12198 2006-02-14 Richard Guenther <rguenther@suse.de>
12200 PR tree-optimization/26258
12201 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12202 in PHI argument processing.
12204 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12206 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12207 new expression in the requested machine mode.
12209 2006-02-13 Roger Sayle <roger@eyesopen.com>
12211 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12212 directly, instead let do_compare_rtx_and_jump handle this for us.
12213 * expr.c (expand_expr_real_1): Likewise.
12214 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12215 before do_jump_by_parts_greater.
12216 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12217 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12219 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12221 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12223 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12225 PR rtl-optimization/26235
12226 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12227 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12230 2006-02-13 Jeff Law <law@redhat.com>
12232 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12235 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12237 PR middle-end/26092
12238 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12239 twice if decl is a builtin. When trying again, call get_callee_fndecl
12240 first to verify it is still a builtin.
12242 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12244 * dwarf2out.c (base_type_die): Don't add AT_name here.
12245 (subrange_type_die): Don't add AT_name here.
12246 (modified_type_die): Rearrange code flow. Do add AT_name here.
12248 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12250 PR rtl-optimization/26247
12251 PR rtl-optimization/26248
12252 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12254 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12256 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12257 * config/fixtfdi.c: Likewise.
12258 * config/fixunstfdi.c: Likewise.
12259 * config/floatditf.c: Likewise.
12261 2006-02-13 Roger Sayle <roger@eyesopen.com>
12263 PR middle-end/24427
12264 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12265 into (X,C2) if C1 is a subset of the bits of C2. Transform
12266 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12268 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12270 2006-02-13 Josh Conner <jconner@apple.com>
12273 * varasm.c (function_section): Check for section name before
12274 calling select_section on targets that define
12275 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12276 unlikely_text_section instead of hot_function_section if
12277 first_function_block_is_cold.
12279 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12281 PR middle-end/25335
12282 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12284 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12286 PR rtl-optimization/26222
12287 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12288 after tree->rtl expansion.
12289 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12290 before passing it to emit_move_insn.
12292 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12294 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12296 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12297 Clarify documentation.
12298 * c-common.h (warn_write_strings): Remove.
12299 * c-common.c (warn_write_strings): Likewise.
12300 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12303 2006-02-12 Roger Sayle <roger@eyesopen.com>
12305 PR middle-end/25724
12306 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12307 (do_jump_parts_zero_rtx): New function renamed from
12308 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12309 (do_jump_parts_equality_rtx): New function split out from
12310 do_jump_parts_equality. Old implementation renamed as above.
12311 Call do_jump_parts_zero_rtx if either operand is zero.
12312 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12313 do all of the heavy lifting.
12314 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12315 calling either do_jump_by_parts_greater_rtx or
12316 do_jump_by_parts_equality_rtx.
12317 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12318 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12319 moved to do_compare_rtx_and_jump, call it directly.
12320 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12321 mode argument. Call do_compare_rtx_and_jump.
12322 (emit_case_nodes): Update calls to do_jump_if_equal.
12324 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12326 PR rtl-optimization/26225
12327 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12329 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12331 PR rtl-optimization/26232
12332 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12334 2006-02-11 Jason Merrill <jason@redhat.com>
12337 * tree-inline.c (declare_return_variable): Just don't use the
12338 modify target if it's a gimple complex reg and the return slot
12341 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12343 * doc/contrib.texi: Update my entry.
12345 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12347 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12349 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12351 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12354 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12356 * doc/invoke.texi (-floop-optimize2): Removed.
12357 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12358 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12359 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12360 * common.opt (floop-optimize2): Removed.
12361 (fmove-loop-invariants): Enabled by default.
12363 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12365 * tree-if-conv.c (combine_blocks): Free the result of
12366 get_loop_exit_edges.
12368 2006-02-10 Jeff Law <law@redhat.com>
12370 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12372 PR tree-optimization/26213
12373 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12374 loop trying to follow SSA_NAME_VALUE chains.
12376 2006-02-10 Richard Guenther <rguenther@suse.de>
12378 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12379 deal with structures that end in implicitly variable sized arrays.
12381 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12383 PR rtl-optimization/24762
12384 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12387 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12389 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12390 (struct ivopts_data): Add regs_used field.
12391 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12392 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12393 instead of loop_data->regs_used;
12394 (free_loop_data): Do not free aux fields for loops.
12395 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12396 and tree_ssa_iv_optimize_finalize.
12398 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12400 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12402 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12405 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12406 computing the effective result type.
12408 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12410 PR inline-asm/16194
12411 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12412 (tree_overlaps_hard_reg_set): Declare.
12413 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12414 type and signature to match function type expected by walk_tree.
12415 (tree_overlaps_hard_reg_set): New function.
12416 (decl_conflicts_with_clobbers_p): Rename to:
12417 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12418 Use tree_overlaps_hard_reg_set. Changed caller.
12419 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12420 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12421 * cris.c (cris_md_asm_clobbers): Likewise.
12423 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12425 * reload1.c (emit_input_reload_insns): Delete code that tries to
12426 inherit using find_equiv_reg.
12428 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12430 * c-common.h (flag_const_strings): Don't declare.
12431 * c-common.c (flag_const_strings): Remove.
12432 * c.opt (fconst_strings): Remove.
12433 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12434 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12435 (c_common_init_options): Don't set flag_const_strings.
12436 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12438 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12440 * arm.md (tlobits_cbranch): New pattern.
12441 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12442 testing a single bit.
12444 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12447 * tree-ssa-pre.c (create_component_ref_by_pieces):
12448 Handle RETURN_DECL like VAR_DECL.
12450 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12452 PR middle-end/26134
12453 * fold-const.c (fold_indirect_ref_1): Fold
12454 "*(foo *)&complexfoo" to "__real__ complexfoo"
12455 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12457 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12459 * tree-flow-inline.h (var_can_have_subvars):
12460 Volatile variables should not have subvariables.
12462 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12465 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12466 multiplying unsigned values.
12469 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12471 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12473 2006-02-08 Jason Merrill <jason@redhat.com>
12476 * tree.def: Elaborate on difference from MODIFY_EXPR.
12477 * doc/c-tree.texi (INIT_EXPR): Likewise.
12478 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12479 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12480 (gimplify_target_expr): Likewise.
12481 (gimplify_cond_expr): Remove target handling.
12482 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12483 (gimplify_expr): Clobber it here.
12484 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12485 Do return slot optimization if we have an INIT_EXPR.
12488 * tree-inline.c (declare_return_variable): Also clear
12489 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12492 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12494 PR middle-end/22439
12495 * gimplify.c (gimplify_one_sizepos): Fix typo.
12497 2006-02-08 Jeff Law <law@redhat.com>
12499 PR tree-optimization/21417
12500 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12501 across a backedge if the control statement at the end of the
12502 block is data dependent on other statements in the same block.
12503 (record_temporary_equivalences_from_stmts): Remove over-conservative
12504 test for threading across backedges.
12506 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12507 control statement, handle all three special cases in the same
12508 manner as they all have the same desired solution. No longer
12509 special case edge flag updating when the post dominator is
12512 2006-02-08 Roger Sayle <roger@eyesopen.com>
12514 * tree.def (CHAR_TYPE): Remove.
12515 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12516 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12517 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12518 (gen_string_type_die): Delete unreachable function.
12520 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12521 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12522 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12523 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12524 * builtins.c (type_to_class): Likewise.
12525 * fold-const.c (fold_convert, build_range_check,
12526 merge_ranges): Likewise.
12527 * expr.c (count_type_elements): Likewise.
12528 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12529 * stor-layout.c (layout_type): Likewise.
12530 * ipa-type-escape.c (type_to_consider): Likewise.
12531 * gimplify.c (omp_firstprivatize_type_sizes,
12532 gimplify_type_sizes): Likewise.
12533 * explow.c (promote_mode): Likewise.
12534 * tree-sra.c (is_sra_scalar_type): Likewise.
12535 * varasm.c (output_constant): Likewise.
12536 * tree-inline.c (remap_type_1): Likewise.
12537 * convert.c (convert_to_pointer, convert_to_real,
12538 convert_to_integer, convert_to_complex): Likewise.
12540 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12542 * df-scan.c (df_def_record_1): A set destination may
12543 be a parallel regardless of mode.
12545 2006-02-08 Roger Sayle <roger@eyesopen.com>
12548 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12549 * config/mips/_tilib.c: Remove.
12550 * config/fixtfdi.c: New libgcc source file.
12551 * config/fixunstfdi.c: New source file.
12552 * config/floatditf.c: New source file.
12553 * config/floatunditf.c: New souce file.
12554 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12555 files above instead of config/mips/_tilib.c.
12556 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12558 2006-02-08 Jeff Law <law@redhat.com>
12560 PR tree-optimization/26169
12561 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12564 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12566 * df.h (DF_REG_SIZE): Return the length of the initialized
12569 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12571 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12572 __muldf3): Return a correctly signed zero.
12574 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12576 * passes.c (register_one_dump_file): Accept the current properties
12577 instead of pass number. Adjust call to dump_register. Remove
12579 (register_dump_files): Now a wrapper around...
12580 (register_dump_files_1): ... this one. Do not modify the pass
12582 (next_pass_1): Cosmetic fix.
12583 (execute_todo): Keep second parameter only. Use curr_properties
12584 instead of fetching it from the pass structure. Check and set
12586 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12587 instead of fetching it from the pass structure. Fix calls to
12588 execute_todo. Update curr_properties and initialize .vcg RTL dump
12589 after running the pass. Reset last_verified.
12590 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12592 (FIRST_AUTO_NUMBERED_DUMP): New.
12593 (dump_register): Remove "num" parameter, assign it within the
12595 (get_dump_file_name): Modify template for dumps.
12596 * tree-dump.h (dump_register): Adjust prototype.
12597 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12598 (PROP_trees): Add PROP_gimple_lomp.
12599 (TODO_set_props): New.
12600 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12601 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12602 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12604 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12606 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12607 (sparc64-*-linux*): Likewise.
12608 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12609 * config/sparc/t-linux: New file.
12610 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12611 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12612 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12613 -m32 -mlong-double-128.
12615 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12616 * config/alpha/t-linux: New file.
12617 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12619 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12620 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12621 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12622 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12623 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12624 (CPP_ARCH32_SPEC): Remove.
12626 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12628 PR tree-optimization/26145
12629 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12632 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12635 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12636 >= 240000 when generating code for SOM runtime.
12637 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12638 to $$dyncall when generating code for SOM runtime..
12640 2006-02-07 Dirk Mueller <dmueller@suse.com>
12643 * doc/invoke.texi (-Wsequence-point): Update documentation
12644 that -Wsequence-point is implemented for C++ as well.
12646 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12648 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12649 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12650 (LIB_SPEC): Likewise.
12651 * doc/invoke.texi (SPARC options): Document -pthread.
12653 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12655 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12658 2006-02-07 Roger Sayle <roger@eyesopen.com>
12660 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12661 Correct comment describing BOOLEAN_TYPE.
12663 2006-02-07 Dirk Mueller <dmueller@suse.com>
12665 * c.opt: C++ frontend supports -Wdiv-by-zero.
12666 * c-opts.c (c_common_handle_option): Remove dead case.
12668 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12670 * configure.ac (TLS assembler check): Do not enable TLS by
12671 default on SPARC/Solaris before version 10.
12672 * configure: Regenerate.
12674 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12676 * doc/invoke.texi (xl-compat): Document conversion and support
12679 2006-02-07 Jeff Law <law@redhat.com>
12681 * tree-vrp.c (find_conditional_asserts): Update comments.
12682 (simplify_stmt_for_jump_threading): New.
12683 (identify_jump_threads, finalize_jump_threads): New.
12684 (vrp_finalize): Call identify_jump_threads.
12685 (execute_vrp): Call finalize_jump_threads.
12686 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12687 (vrp_element, vrp_data, vrp_element_p): Remove.
12688 (vrp_hash_elt, vrp_variables_stack): Remove.
12689 (vrp_hash, vrp_eq, record_range): Remove.
12690 (simplify_cond_and_lookup_avail_expr): Remove.
12691 (extract_range_from_cond): Remove.
12692 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12693 (simplify_stmt_for_jump_threading): New.
12694 (dom_thread_across_edge): New wrapper.
12695 (tree_ssa_dominator_optimize): No longer initialize or
12696 finalize any of the VRP datastructures. Remove iteration
12697 step and simplify as a result of removal of iteration step.
12698 (pass_dominator): Perform a cfg cleanup after DOM.
12699 (dom_opt_finalize_block): Use the new common routines
12700 for threading jumps. Simplify stack management slightly.
12701 No longer need to unwind VRP state.
12702 (record_equivalences_from_incoming_edge): No longer record
12704 (eliminate_redundant_computations): No longer call
12705 simplify_cond_and_lookup_avail_expr.
12706 * tree-flow.h (potentially_threadable_block): Prototype.
12707 (thread_across_edge): Likewise.
12708 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12709 (tree-ssa-threadedge.o): Add dependencies.
12710 * tree-ssa-threadedge.c: New file.
12711 * passes.c (init_optimization_passes): Merge PHIs before
12712 calling VRP. Run VRP again late in the SSA optimization pipeline.
12714 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12716 * df-core.c (df_set_blocks): Do not dereference function pointers.
12717 (df_finish1): Likewise.
12718 (df_hybrid_search_forward): Likewise.
12719 (df_hybrid_search_backward): Likewise.
12720 (df_iterative_dataflow): Likewise.
12721 (df_analyze_problem): Likewise.
12722 (df_compact_blocks): Likewise.
12723 (df_dump): Likewise.
12724 * df-scan.c (df_rescan_blocks): Likewise.
12725 (df_record_entry_block_defs): Likewise.
12727 * genconditions.c (write_conditions): Guard the definition of
12728 'insn_conditions' with the check on GCC version.
12729 (write_writer): Guard the traversal 'insn_conditions' with
12730 the check on GCC version.
12732 2006-02-07 Richard Guenther <rguenther@suse.de>
12736 2006-01-30 Richard Guenther <rguenther@suse.de>
12738 * gimplify.c (gimplify_target_expr): Handle easy cases
12739 without creating a temporary.
12741 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12743 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12744 use of float in probability computations. Use edge probabilities
12745 in place of statically computed probabilities.
12746 (min_spec_prob): New static variable.
12747 (schedule_insns): Initialize it.
12748 (GET_SRC_PROB): Removed.
12749 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12751 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12754 * config/ia64/unwind-ia64.c: Revert last change.
12755 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12756 (INCOMING_FRAME_SP_OFFSET): Define.
12758 2006-02-06 Roger Sayle <roger@eyesopen.com>
12760 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12762 2006-02-07 Ben Elliston <bje@au.ibm.com>
12764 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12765 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12766 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12767 (ix86_return_in_memory): Handle TDmode.
12768 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12769 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12771 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12773 * reorg.c (dbr_schedule): Use dump_file instead of file.
12775 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12778 * config/ia64/predicates.md (extr_len_operand): New predicate.
12779 * config/ia64/ia64.md (extv): Tighten constraints.
12781 (*tbit_and_2): Ditto.
12782 (*tbit_and_3): Ditto.
12783 (*tbit_or_2): Ditto.
12784 (*tbit_or_3): Ditto.
12785 (*bit_zero): Ditto.
12788 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12791 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12793 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12795 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12796 loop_optimizer_init and loop_optimizer_finalize
12797 * tree-ssa-sink.c (execute_sink_code): Ditto.
12798 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12799 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12800 tree_ssa_loop_done): Ditto.
12801 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12802 * sched-ebb.c: Include output.h.
12803 (schedule_ebbs): Do not use dump argument.
12804 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12805 * loop.c (loop_dump_stream): Removed.
12806 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12808 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12809 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12810 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12811 loop_iterations, strength_reduce, record_biv, record_giv,
12812 final_giv_value, check_final_value, check_ext_dependent_givs,
12813 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12814 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12815 dump_file instead of loop_dump_stream.
12816 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12817 argument dump_file.
12818 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12820 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12821 * haifa-sched.c: Include output.h
12822 (schedule_insns, sched_init): Do not use dump argument.
12823 * mode-switching.c (optimize_mode_switching): Ditto.
12824 * modulo-sched.c (stats_file): Removed.
12825 (print_node_sched_params): Do not call argument dump_file.
12826 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12827 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12829 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12831 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12832 rtl_loop_init, rtl_loop_done): Ditto.
12833 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12834 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12836 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12837 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12838 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12839 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12840 * emit-rtl.c (renumber_insns): Ditto.
12841 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12842 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12843 * regclass.c (regclass): Ditto.
12844 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12845 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12846 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12847 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12849 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12850 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12852 * gcse.c (gcse_file, debug_stderr): Removed.
12853 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12854 rest_of_handle_gcse): Do not use dump argument.
12855 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12856 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12857 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12858 compute_code_hoist_vbeinout, compute_code_hoist_data,
12859 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12860 compute_store_table, build_store_vectors, insert_insn_start_bb,
12861 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12862 store_motion): Use dump_file instead of gcse_file.
12863 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12864 * profile.c (profile_dump_file): Removed.
12865 (branch_prob): Use dump_file instead of profile_dump_file.
12866 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12868 * tree-ssa-copy.c (dump_copy_of): Ditto.
12869 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12870 dump file to life_analysis.
12871 * bt-load.c (branch_target_load_optimize): Ditto.
12872 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12874 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12875 regclass, dbr_schedule): Declaration changed.
12876 * sched-int.h (sched_init): Declaration changed.
12877 * tree-profile.c (tree_profile_dump_file): Removed.
12878 (tree_profile_hooks): Removed profile_dump_file hook.
12879 * rtl-profile (rtl_profile_dump_file): Removed.
12880 (rtl_profile_hooks): emoved profile_dump_file hook.
12881 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12883 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12884 * tree-cfg.c (build_tree_cfg): Ditto.
12885 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12886 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12887 Declaration changed.
12888 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12889 life_analysis and schedule_insns.
12890 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12892 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12894 * config/mips/mips.c (mips_reorg): Ditto.
12895 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12898 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12900 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12901 (s390_mangle_fundamental_type): New.
12902 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12905 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12906 (alpha_mangle_fundamental_type): New.
12907 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12910 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12912 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12914 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12915 (sparc_mangle_fundamental_type): New.
12917 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12919 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12920 (s390x-*-linux*): Likewise.
12921 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12922 * config/s390/t-linux: New file.
12924 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12926 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12927 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12929 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12931 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12932 (ANTIC_SAFE_LOADS): New macro.
12933 (find_or_generate_expression): Add prototype.
12934 (set_contains_value): Allow null set for sake of not always having
12935 to allocate ANTIC_SAFE_LOADS.
12936 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12937 Allow COMPONENT_REF too.
12938 (valid_in_set): Allow COMPONENT_REF.
12939 Check ANTIC_SAFE_LOADS too.
12940 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12941 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12943 (can_PRE_operation): Add COMPONENT_REF.
12944 (create_component_ref_by_pieces): New function.
12945 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12946 (insert_aux): Move AGGREGATE_TYPE_P check here.
12947 (compute_avail): Set bb local stmt uids.
12948 (pass_pre): Use TODO_update_ssa_only_virtuals.
12950 2006-02-06 Ben Elliston <bje@au.ibm.com>
12952 * configure.ac: Unconditionally disable decimal float by default.
12953 * configure: Regenerate.
12955 2006-02-06 Ben Elliston <bje@au.ibm.com>
12957 * read-rtl.c (read_name): Terminate reading on EOF.
12959 2006-02-06 Ben Elliston <bje@au.ibm.com>
12961 * dfp.c (decimal_real_arithmetic): Change second argument type
12962 from int to enum tree_code. Do not always return true, but now
12963 return result of any call to decimal_do helper functions.
12964 * dfp.h (decimal_real_arithmetic): Update prototype.
12966 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12968 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12970 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12973 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12976 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12978 * tree-vrp.c (cfg_loops): Removed.
12979 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12980 Use current_loops instead of cfg_loops. Pass flags to
12981 loop_optimizer_init.
12982 * cfgloopmanip.c (fix_loop_structure): Update only available
12984 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12985 loop_optimizer_init.
12986 * modulo-sched.c (build_loops_structure): Removed.
12987 (sms_schedule): Use loop_optimizer_init.
12988 * loop-init.c (loop_optimizer_init): Use flags to determine
12989 which properties of loops to prepare.
12990 (rtl_loop_init): Pass flags to loop_optimizer_init.
12991 * tree-ssa-sink.c (execute_sink_code): Ditto.
12992 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12993 * tree-ssa-pre.c (init_pre): Ditto.
12994 * cfgloop.h (LOOPS_NORMAL): New.
12995 (loop_optimizer_init): Declaration changed.
12997 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12999 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13000 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13002 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13004 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13006 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13007 * pa/t-pa64: Delete quadlib.c rule.
13008 * pa/x-ada: Revert last change.
13009 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13011 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13013 PR rtl-optimization/26087
13014 * rtlanal.c (canonicalize_condition): Do not cross basic block
13017 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13020 * config/ia64/ia64.c: Include debug.h.
13021 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13022 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13023 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13024 (process_epilogue, process_set, process_for_unwind_directive):
13025 Output unwind info only if requested. Add CFA info if requested.
13026 Add new arguments as needed. Adjust callers.
13027 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13029 (DWARF2_FRAME_INFO): Define to zero.
13030 * config/ia64/unwind-ia64.c: Remove code that compensated for
13031 the CFA offset error fixed above.
13032 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13033 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13034 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13035 -funwind-tables and -fexceptions to enable frame info.
13036 (dwarf2out_frame_init): Define initial CFA even if
13037 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13038 DWARF2_UNWIND_INFO is nonzero, not just defined.
13039 (dwarf2out_frame_finish): Output non-EH call frame info only
13040 if DWARF2_FRAME_INFO is nonzero.
13041 (convert_cfa_to_loc_list,
13042 compute_frame_pointer_to_cfa_displacement): Define even if
13043 unwind info is not supported.
13044 (gen_subprogram_die): Use the above unconditionally. Remove
13045 legacy alternate code.
13046 * toplev.c (compile_file): Compile in call to
13047 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13048 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13050 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13051 Jakub Jelinek <jakub@redhat.com>
13053 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13054 IBM extended float format long double as "g" on powerpc*-linux.
13056 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13059 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13060 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13062 2006-02-03 Jason Merrill <jason@redhat.com>
13065 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13067 PR middle-end/25977
13068 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13069 on the return slot if it's an NRV.
13071 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13073 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13074 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13075 rewrite_use): Do not handle USE_OUTER.
13076 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13077 add_iv_outer_candidates, may_replace_final_value,
13078 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13079 (find_interesting_uses_op): Functionality of
13080 find_interesting_uses_outer_or_nonlin moved here.
13081 (find_interesting_uses_outside): Use find_interesting_uses_op.
13083 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13086 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13088 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13089 Ulrich Weigand <uweigand@de.ibm.com>
13092 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13093 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13094 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13095 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13097 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13098 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13099 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13100 Define secondary reloads for TFmode moves.
13101 (constant_modes): Add TFmode.
13102 (NR_C_MODES): Set to 8.
13103 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13105 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13106 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13107 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13108 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13109 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13110 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13111 (FPR mode macro): Add TFmode.
13112 (DSF mode macro): New.
13113 (<de>, <dee> mode attributes): Removed.
13114 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13115 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13116 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13117 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13118 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13119 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13120 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13121 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13122 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13123 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13124 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13125 "*negabs<mode>2", "sqrt<mode>2"):
13126 Changed <de> to <xde>. R constraint replaced by <Rf>.
13127 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13129 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13130 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13131 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13133 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13134 "extenddftf2", "extendsftf2"): New expanders.
13135 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13136 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13137 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13138 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13140 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13141 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13142 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13143 __floatditf): Add a GCC_4.1.0 symbol version tag.
13144 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13147 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13150 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13151 Use targetm.binds_local_p instead of TREE_PUBLIC.
13153 2006-02-02 Roger Sayle <roger@eyesopen.com>
13155 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13156 on INTEGER_TYPEs to indicate that it denotes a character type.
13157 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13158 signed_char_type_node, unsigned_char_type_node and char_type_node.
13159 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13160 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13161 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13163 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13164 Daniel Berlin <dberlin@dberlin.org>
13166 * tree-tailcall.c (arg_needs_copy_p): New function.
13167 (eliminate_tail_call): Use arg_needs_copy_p.
13168 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13169 (add_virtual_phis): New function.
13171 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13173 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13174 #ignore instead of #scratch for %g7 .register directive.
13176 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13178 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13181 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13183 * flow.c (calculate_global_regs_live): Assert that there aren't any
13186 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13188 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13189 what its name says.
13190 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13191 bsi_after_labels iterator.
13192 * tree-if-conv.c (find_phi_replacement_condition,
13193 replace_phi_with_cond_modify_expr): Likewise.
13194 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13195 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13197 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13199 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13201 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13204 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13205 array after growing it.
13207 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13209 PR middle-end/24901
13210 * fold-const.c (fold_checksum_tree): Change type of buf.
13212 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13214 * reload.c (push_secondary_reload): Initialize t_icode.
13216 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13218 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13219 -msoft-float -mlong-double-128 only issue a warning, but don't
13220 swich to DFmode long double.
13222 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13224 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13225 has a constant equivalent, iterate over equivalents for arg0,
13226 calling simplify_relational_operation and if there's a result
13227 cheaper than X, apply fold_rtx and return the result.
13229 2006-02-01 Jan Hubicka <jh@suse.cz>
13231 * opts.c (no_unit_at_a_time_default): New global variable.
13232 (decode_options): Use it.
13233 * opts.h (no_unit_at_a_time_default): Declare.
13235 2006-02-01 Paul Brook <paul@codesourcery.com>
13237 * function.c (assign_parm_setup_reg): Use function argument promotion
13239 * expr.c (expand_expr_real_1): Use function argument promotion rules
13242 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13244 * gcc.c (process_command): Change j to 'unsigned int'.
13246 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13248 PR middle-end/26001
13249 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13250 Use the corrected index for the character
13251 out of the string constant.
13253 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13255 * mode-switching.c (optimize_mode_switching): Fix size
13256 allocated for bb_info[n_entities].
13258 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13260 * gcc.c (main): Correct type that is allocated for
13261 explicit_link_files.
13263 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13265 * config/s390/s390.c (init_alignment_context): Set
13266 ALIAS_SET_MEMORY_BARRIER on the MEM.
13267 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13269 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13271 PR middle-end/25933
13272 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13274 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13277 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13279 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13280 * regrename.c: Ditto.
13281 * tree-ssa-loop-im.c: Ditto.
13282 * tree-dump.c: Ditto.
13283 * tree-complex.c: Ditto.
13284 * genrecog.c: Ditto.
13285 * tree-ssa-threadupdate.c: Ditto.
13287 * java/class.c: Ditto.
13288 * java/jcf-parse.c: Ditto.
13289 * java/resource.c: Ditto.
13290 * java/except.c: Ditto.
13291 * java/jvspec.c: Ditto.
13292 * java/jcf-write.c: Ditto.
13293 * java/jcf-path.c: Ditto.
13294 * java/gjavah.c: Ditto.
13295 * java/zextract.c: Ditto.
13296 * java/jcf-io.c: Ditto.
13297 * java/jcf.h: Ditto.
13298 * java/buffer.c: Ditto.
13299 * java/lang.c: Ditto.
13300 * java/parse-scan.y: Ditto.
13301 * java/lex.c: Ditto.
13302 * java/lex.h: Ditto.
13303 * cfgloopmanip.c: Ditto.
13304 * postreload-gcse.c: Ditto.
13305 * tree-ssa-loop-manip.c: Ditto.
13306 * postreload.c: Ditto.
13307 * tree-ssa-loop-ch.c: Ditto.
13310 * cppspec.c: Ditto.
13311 * diagnostic.c: Ditto.
13313 * genoutput.c: Ditto.
13315 * cfghooks.c: Ditto.
13316 * cfgloopanal.c: Ditto.
13317 * objc/objc-act.c: Ditto.
13319 * genextract.c: Ditto.
13320 * genautomata.c: Ditto.
13321 * pretty-print.c: Ditto.
13322 * genemit.c: Ditto.
13323 * cgraphunit.c: Ditto.
13325 * df-scan.c: Ditto.
13326 * haifa-sched.c: Ditto.
13327 * dominance.c: Ditto.
13329 * tree-ssa-loop-ivopts.c: Ditto.
13330 * df-core.c: Ditto.
13331 * mode-switching.c: Ditto.
13332 * modulo-sched.c: Ditto.
13334 * ipa-pure-const.c: Ditto.
13336 * fix-header.c: Ditto.
13338 * tree-stdarg.c: Ditto.
13339 * ipa-utils.c: Ditto.
13340 * loop-init.c: Ditto.
13341 * ipa-inline.c: Ditto.
13342 * cfganal.c: Ditto.
13344 * alloc-pool.c: Ditto.
13345 * dwarf2out.c: Ditto.
13347 * genattrtab.c: Ditto.
13348 * tree-ssa-loop-ivcanon.c: Ditto.
13349 * predict.c: Ditto.
13350 * timevar.c: Ditto.
13352 * fortran/gfortranspec.c: Ditto.
13353 * regmove.c: Ditto.
13354 * local-alloc.c: Ditto.
13355 * langhooks.c: Ditto.
13356 * function.c: Ditto.
13357 * tree-vectorizer.c: Ditto.
13359 * ipa-type-escape.c: Ditto.
13361 * tree-if-conv.c: Ditto.
13362 * profile.c: Ditto.
13364 * tree-data-ref.c: Ditto.
13365 * loop-unroll.c: Ditto.
13366 * treelang/treetree.c: Ditto.
13368 * bt-load.c: Ditto.
13369 * ggc-common.c: Ditto.
13371 * coverage.c: Ditto.
13373 * tree-cfgcleanup.c: Ditto.
13374 * tree-ssa-pre.c: Ditto.
13375 * cfgcleanup.c: Ditto.
13376 * loop-invariant.c: Ditto.
13377 * loop-iv.c: Ditto.
13378 * ipa-prop.c: Ditto.
13379 * print-tree.c: Ditto.
13380 * conflict.c: Ditto.
13381 * ggc-page.c: Ditto.
13382 * sched-deps.c: Ditto.
13383 * regclass.c: Ditto.
13384 * tree-object-size.c: Ditto.
13385 * combine.c: Ditto.
13386 * bb-reorder.c: Ditto.
13387 * resource.c: Ditto.
13388 * var-tracking.c: Ditto.
13389 * cfgloop.c: Ditto.
13390 * df-problems.c: Ditto.
13391 * reg-stack.c: Ditto.
13393 * gccspec.c: Ditto.
13394 * sched-rgn.c: Ditto.
13395 * tree-ssa-structalias.c: Ditto.
13396 * tree-ssa-reassoc.c: Ditto.
13397 * config/darwin-c.c: Ditto.
13398 * config/darwin.c: Ditto.
13399 * config/arm/arm.c: Ditto.
13401 * collect2.c: Ditto.
13402 * reload1.c: Ditto.
13404 2006-01-31 Nicolas Pitre <nico@cam.org>
13406 * arm.md (smaxsi3): Make aware of smax_m1.
13409 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13411 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13413 2006-01-31 Richard Guenther <rguenther@suse.de>
13415 * doc/invoke.texi (-msselibm): Document.
13416 * target.h (expand_library_builtin): New target hook.
13417 * builtins.c (expand_builtin): Use expand_library_builtin.
13418 (default_expand_library_builtin): New function.
13419 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13420 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13421 (link_gcc_math_spec): Declare.
13422 (static_specs): Add link_gcc_math_spec.
13423 * expr.h (default_expand_library_builtin): Declare.
13424 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13425 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13426 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13427 * config/i386/i386.opt (msselibm): New target option.
13428 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13429 (ix86_init_sse_abi_builtins): New function.
13430 (ix86_expand_library_builtin): Likewise.
13431 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13432 (override_options): Handle error conditions wrt -msselibm.
13433 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13434 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13435 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13438 2006-01-31 Richard Guenther <rguenther@suse.de>
13439 Paolo Bonzini <bonzini@gnu.org>
13441 * doc/install.texi (--disable-libgcc-math): Document.
13443 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13445 * expr.h (expand_normal): new inline function.
13446 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13447 * dojump.c: use it.
13448 * dwarf2out.c: use it.
13451 * expmed.c: use it.
13452 * except.c: use it.
13453 * config/sparc/sparc.c: use it.
13454 * config/i386/i386.c: use it.
13455 * config/rs6000/rs6000.c: use it.
13456 * config/arm/arm.c: use it.
13457 * config/mips/mips.c: use it.
13458 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13460 2006-01-30 Roger Sayle <roger@eyesopen.com>
13462 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13463 argv to the appropriate type.
13465 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13467 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13470 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13473 * config/s390/s390.c (struct machine_function): New flag
13474 decomposed_literal_pool_addresses_ok_p.
13475 (s390_reorg): Set it before final stage of literal pool transforms.
13476 (s390_decompose_address): Only accept displacements of the form
13477 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13479 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13481 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13482 the comparison routine return.
13484 2006-01-30 Michael Matz <matz@suse.de>
13486 * global.c (find_reg): Only evict for global regs.
13487 Take n_refs into account and dump more info.
13489 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13492 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13493 (pragma_trap, pragma_nosave_low_regs): Likewise.
13494 (current_function_anonymous_args): Likewise.
13495 (sh_deferred_function_attributes): New variable.
13496 (sh_deferred_function_attributes_tail): Likewise.
13497 (print_operand): For '@', look up trap_exit attribute.
13498 (calc_live_regs): Look up trapa_handler attribute. For trapa
13499 handlers, save/restore fpscr, but don't do any other
13500 interrupt-specific saves.
13501 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13502 Fix check for partially saved registers to check for SHmedia.
13503 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13504 (sh_output_function_epilogue): Don't clear any of the removed
13506 (sh_insert_attributes): Don't check pragma_interrupt.
13507 Insert deferred attributes. Check that interrupt attribute is
13508 present for other attributes that require its presence.
13509 (sh_attribute_table): Add new attributes trapa_handler and
13511 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13512 Don't check for pragma_interrupt. Don't store argument.
13513 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13514 (sh_deferred_function_attributes): Declare.
13515 (sh_deferred_function_attributes_tail): Likewise.
13516 * sh.md (sp_switch_1): Add operand. Change generator caller.
13517 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13518 (*return_i): Don't use when trap_exit attribute is in effect.
13519 (*return_trapa): New insn pattern.
13520 * sh-c.c: New file.
13521 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13522 setting c_target_objs and cxx_target_objs.
13523 * t-sh: Add rule for sh-c.o.
13525 2006-01-30 Richard Guenther <rguenther@suse.de>
13528 * gimplify.c (gimplify_target_expr): Handle easy cases
13529 without creating a temporary.
13531 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13533 * vec.h (safe_grow): Remove duplicated line.
13535 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13538 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13539 (expand_omp): ... here.
13540 (expand_omp_parallel): Only remove barriers for combined
13541 parallel+workshare constructs.
13543 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13547 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13548 * tree.c (build_qualified_type): Chain the new type to the original
13549 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13550 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13551 (build_pointer_type_for_mode): Only return unqualified types.
13552 (build_reference_type_for_mode): Likewise.
13554 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13556 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13557 * Makefile.in (CXX_COMPAT_WARN): Define.
13558 * configure: Regenerate.
13560 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13563 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13566 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13568 * toplev.c: Fix thinko.
13570 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13571 Marcin Dalecki <martin@dalecki.de>
13573 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13574 (push_srcloc): Use XNEW.
13575 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13577 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13579 * df-core.c (df_set_blocks): Deleted all variable.
13581 2006-01-28 Ian Lance Taylor <ian@airs.com>
13583 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13584 cgraph_output_pending_asms.
13586 2006-01-28 Zack Weinberg <zackw@panix.com>
13588 * c.opt: Add -W(no-)overlength-strings.
13589 * doc/invoke.texi: Document it.
13590 * c-opts.c (c_common_handle_option): -pedantic implies
13591 -Woverlength-strings, if not explicitly disabled already.
13592 (c_common_post_options): -Woverlength-strings defaults to off, and
13593 is always off for C++.
13594 * c-common.c (fix_string_type): Issue warning about strings longer
13595 than is portable only if warn_overlength_strings. Rearrange code
13596 a little for clarity.
13597 * configure.in: Check for -Wno-overlength-strings as well before
13598 enabling -pedantic in stage 1.
13599 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13600 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13602 * genconditions.c (write_header, write_one_condition)
13603 (write_conditions, write_writer): Consolidate very long strings
13604 that were broken up to fit in C89 portable limit. Don't use
13605 printf when fputs will do.
13607 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13609 * combine.c (simplify_comparison <AND>): Check
13610 TRULY_NOOP_TRUNCATION before start using a subreg.
13612 * config/mips/mips.md (*branch_zero<mode>,
13613 *branch_zero<mode>_inverted, *branch_equality<mode>,
13614 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13615 Remove mode check from comparisons.
13617 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13619 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13621 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13623 * expmed.c (const_mult_add_overflow_p): Remove.
13624 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13626 * recog.c (validate_replace_rtx_subexp): Remove.
13627 * recog.h: Remove the prototype for
13628 validate_replace_rtx_subexp.
13630 * integrate.h: Remove the prototype for
13631 copy_decl_for_inlining.
13632 * rtl.h: Remove the prototype for mark_constant_function.
13633 * tree-vectorizer.h: Remove the prototype for
13634 vect_strip_conversion.
13636 * modulo-sched.c (create_partial_schedule,
13637 free_partial_schedule, reset_partial_schedule): Make them
13640 * hooks.c (hook_bool_rtx_int_false): Remove.
13641 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13643 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13645 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13646 and -mlong-double-128 are incompatible.
13647 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13648 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13649 (TARGET_LIBGCC2_CFLAGS): Define.
13650 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13651 (TARGET_LIBGCC2_CFLAGS): Same.
13652 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13654 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13657 * c-typeck.c (build_binary_op): Perform implicit casts of
13658 operands before shortening them.
13660 * cfgloopmanip.c (split_loop_bb): Remove.
13661 * cfgloop.h: Remove the prototype for split_loop_bb.
13663 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13664 * cfgloop.h: Remove the prototype for
13665 flow_loop_outside_edge_p.
13667 * emit-rtl.c (init_virtual_regs): Make it static.
13668 * function.h: Remove the prototype for init_virtual_regs.
13670 * recog.c (peephole2_optimize): Make it static.
13671 * recog.h: Remove the prototype for peephole2_optimize.
13673 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13675 * df-scan.c (df_record_entry_block_defs): Check if
13676 INCOMING_RETURN_ADDR_RTX is defined.
13678 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13679 Kenneth Zadeck <zadeck@naturalbridge.com>
13681 PR rtl-optimization/24762
13682 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13683 * targhooks.c (hook_void_bitmap): New hook prototype.
13684 * targhoohs.h (hook_void_bitmap): Ditto.
13685 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13686 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13687 * target.h (live_on_entry): New function pointer.
13688 * df-scan.c (df_all_hard_regs): Removed.
13689 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13690 (df_scan_free_internal): Added df->entry_block_defs.
13691 (df_scan_alloc): Ditto.
13692 (df_scan_dump): Ditto.
13693 (df_uses_record): Plumbed flag field properly thru calls.
13694 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13695 This part fixes PR24762.
13696 (df_bb_refs_record): Added code to make the frame and arg
13697 pointers live in EH blocks.
13698 (df_refs_record): Added call to df_record_entry_block_defs.
13699 (df_record_entry_block_defs): New function.
13700 * df-core.c: Added comments to describe new artifical defs.
13701 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13702 (entry_block_defs): New field in struct df.
13703 (df_all_hard_regs): Deleted.
13704 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13705 * df-problems.c (df_ru_bb_local_compute_process_def):
13706 Added code to handle artifical defs in the entry to a function.
13707 (df_ru_bb_local_compute): Ditto.
13708 (df_rd_bb_local_compute_process_def): Ditto.
13709 (df_rd_bb_local_compute): Ditto.
13710 (df_lr_bb_local_compute): Ditto.
13711 (df_ur_bb_local_compute): Ditto.
13712 (df_urec_bb_local_compute): Ditto.
13713 (df_chain_create_bb): Ditto.
13714 (df_ur_local_finalize): Removed entry.
13715 (df_urec_init): Ditto.
13716 (df_urec_local_finalize): Ditto.
13717 (df_ri_bb_compute): Added detection of last use of pseudos.
13718 * Makefile.in (df-scan.o): Updated dependencies.
13719 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13720 * config/mips/mips.c (mips_set_live_on_entry): Added.
13721 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13723 * dce.c (marked_insn_p): Added code to handle artifical defs.
13725 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13727 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13729 (_mm_cvtsi128_si64): Likewise.
13730 (_mm_cvtsd_si64): Likewise.
13731 (_mm_cvttsd_si64): Likewise.
13732 (_mm_cvtsi64_sd): Likewise.
13733 (_mm_cvtsi64_si128): Likewise.
13734 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13735 (_mm_cvtsi64_m64): Likewise.
13736 (_m_to_int64): Likewise.
13737 (_mm_cvtm64_si64): Likewise.
13738 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13739 (_mm_cvttss_si64): Likewise.
13740 (_mm_cvtsi64_ss): Likewise.
13741 (_mm_cvtss_f32): Likewise.
13743 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13745 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13746 for pragma redefine_extname.
13748 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13751 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13752 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13753 -mno-minimal-toc to previous content.
13754 (bispecs): Remove goal.
13755 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13756 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13757 compatibility aliases on powerpc-*-*gnu*.
13758 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13759 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13760 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13761 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13762 (ldblspecs): New goal.
13763 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13764 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13766 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13767 L_sf_to_tf or L_df_to_tf is defined.
13769 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13770 Alan Modra <amodra@bigpond.net.au>
13773 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13774 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13775 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13776 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13777 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13778 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13779 (rs6000_override_options): Initialize rs6000_ieeequad.
13780 Initialize TFmode format to ibm_extended_format if not
13782 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13784 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13785 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13786 (function_arg_advance): IBM long double passed in two FPRs, not
13788 (function_arg): IBM long double passed in FPRs.
13789 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13790 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13791 Only multireg GPR aligned.
13792 (rs6000_init_libfuncs): Enable IBM long double functions if not
13794 (rs6000_generate_compare): Use IBM long double compare if not
13796 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13797 (TARGET_IEEEQUAD): Define.
13798 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13799 not TARGET_IEEEQUAD.
13800 * config/rs6000/rs6000.md: Enable TFmode patterns if
13802 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13803 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13804 and -mlong-double-128 are incompatible.
13805 * doc/invoke.texi (-mabi): Collect options together. Add
13806 ibmlongdouble and ieeelongdouble.
13808 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13810 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13812 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13813 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13814 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13815 * rtl.h (rtunion_def): Remove rt_ptr.
13817 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13818 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13819 * config/i386/winnt.c (i386_pe_mark_dllexport)
13820 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13822 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13824 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13826 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13830 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13831 pthread_key_delete. From John David Anglin. gthrw-ify
13832 pthread_getunique_np only if it it's not a macro. Delete
13834 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13835 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13836 __gthread_objc_condition_signal, __gthread_key_delete): Add
13837 "__attribute__ ((__unused__))" to unused arguments.
13838 (__gthread_recursive_mutex_init_function): Add missing return.
13839 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13840 gthr-posix95.h: Use macro-based approach for name redirection
13841 on targets missing weakref.
13843 2006-01-26 Zack Weinberg <zackw@panix.com>
13845 * genconditions.c (write_header): In generated code, #ifdef out
13846 all includes and fake declarations, except includes of bconfig.h
13847 and system.h, unless GCC_VERSION >= 3001. Do not include
13848 gensupport.h in any case.
13849 (write_conditions): Generate a definition of struct c_test. Add
13850 a comment to the generated #endif.
13851 (write_one_condition): Escape backslashes in string too.
13852 (write_writer): Generated code must escape backslashes and quote
13853 marks (but not newlines) in the strings it writes.
13854 * Makefile.in (build/gencondmd.o): Update dependencies.
13856 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13859 * Makefile.in (insn-automata.o): Add header file dependencies.
13860 * genautomata.c: Add includes.
13862 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13865 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13867 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13869 * configure.ac: Expect target tools paths to be passed from the toplevel
13870 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13872 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13874 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13877 * c.opt (Wpointer-sign): Init to -1.
13878 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13879 OPT_pedantic, to 0 otherwise.
13880 * doc/invoke.texi: Update.
13882 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13884 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13885 constants provided by 80387 instructions in the destination mode.
13887 2006-01-26 Richard Guenther <rguenther@suse.de>
13888 Andrew Pinski <pinskia@physics.uc.edu>
13891 partial PR tree-opt/17064
13892 * tree-ssa-structalias.c (intra_create_variable_infos):
13893 Create heap variables for incoming parameters if
13894 flag_argument_noalias > 1.
13895 (find_what_p_points_to): Look through default defs of
13898 2006-01-26 Jeff Law <law@redhat.com>
13901 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13902 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13903 within the VR_RANGE, use the VR_RANGE as the result, not the
13905 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13906 bounds for the type.
13908 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13910 * tree-ssa-alias.c (maybe_create_global_var): Change
13911 subvar walking to an assertion that we don't have subvar'd variables.
13913 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13916 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13917 Use a new variable, inner. PARM_DECLs are always non-weak.
13919 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13921 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13922 --disable-checking.
13924 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13926 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13928 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13930 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13931 (smax_insn, smin_insn, smax_0, smin_0): New.
13933 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13936 * config/cris/cris.c (cris_order_for_addsi3): New function.
13937 * config/cris/cris-protos.h: Prototype it.
13938 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13939 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13940 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13941 (split for "op.S1 [rx=rx+i],ry (swapped)")
13942 (split for "op(s|u).S1 [rx=rx+i],ry")
13943 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13944 Apply cris_order_for_addsi3 when generating addsi3 insns.
13946 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13948 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13949 (TREE_BLOCK): Add call to EXPR_CHECK.
13951 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13954 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13955 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13956 (dump_omp_clauses): ... here.
13957 (dump_generic_node): Handle OMP_CLAUSE.
13958 * tree.c (omp_clause_num_ops): New.
13959 (omp_clause_code_name): New.
13960 (tree_code_size): Handle OMP_CLAUSE.
13961 (tree_size): Likewise.
13962 (make_node): Document handling of OMP_CLAUSE.
13963 (tree_node_structure): Handle OMP_CLAUSE.
13964 (omp_clause_check_failed): New.
13965 (omp_clause_range_check_failed): New.
13966 (omp_clause_operand_check_failed): New.
13967 (build_omp_clause): New.
13968 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13969 * tree.h (enum omp_clause_code): Declare.
13970 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13971 (OMP_CLAUSE_RANGE_CHECK): Define.
13972 (OMP_CLAUSE_ELT_CHECK): Define.
13973 (omp_clause_check_failed): Declare.
13974 (omp_clause_operand_check_failed): Declare.
13975 (omp_clause_range_check_failed): Declare.
13976 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13977 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13978 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13979 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13980 (OMP_CLAUSE_IF_EXPR): Likewise.
13981 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13982 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13983 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13984 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13985 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13986 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13987 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13988 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13989 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13990 (OMP_CLAUSE_CODE): Define.
13991 (OMP_CLAUSE_SET_CODE): Define.
13992 (OMP_CLAUSE_CODE): Define.
13993 (OMP_CLAUSE_OPERAND): Define.
13994 (struct tree_omp_clause): Declare.
13995 (union tree_node): Add field 'omp_clause'.
13996 * treestruct.def (TS_OMP_CLAUSE): Define.
13997 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13998 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13999 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14000 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14001 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14002 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14003 (OMP_CLAUSE): Define.
14004 * print-tree.c (print_node): Handle OMP_CLAUSE.
14005 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14006 * c-typeck.c: Likewise.
14007 * gimplify.c: Likewise.
14008 * c-omp.c: Likewise.
14009 * tree-nested.c: Likewise.
14010 * tree-inline.c: Likewise.
14011 * c-parser.c: Likewise.
14012 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14015 2006-01-25 Roger Sayle <roger@eyesopen.com>
14017 PR rtl-optimization/25703
14018 * combine.c (try_combine): Handle zero_extract and strict_low_part
14019 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14021 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14023 * global.c: Fix comment typos.
14025 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14028 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14029 Use output_addr_const instead of assemble_name.
14031 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14033 * Makefile.in (sched-vis.o): Update dependencies.
14034 * haifa-sched.c (sched_finish): Clear current_sched_info.
14035 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14036 (dump_flow_info): Call it.
14037 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14039 * basic-block.h (dump_bb_info): Declare.
14040 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14041 option, and apply options only for dump files whose TDF_RTL,
14042 TDF_TREE, or TDF_IPA bits match.
14043 * rtl.h: Declare new functions exported from sched-vis.c.
14044 * sched-vis.c: Enable also if scheduling is not used.
14045 (print_value): Print the mode of registers if not inside scheduling.
14046 (print_insn): Make it work outside the scheduler. Beautify the output
14048 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14050 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14052 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14053 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14054 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14055 depending on the value of CONSTANT_POOL_ADDRESS_P.
14056 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14058 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14059 rather than SYMBOL_REF_DECL.
14060 (rtx_constant_pool): Remove const_rtx_sym_htab.
14061 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14062 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14063 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14064 Remove handling of const_rtx_sym_htab.
14065 (find_pool_constant): Delete.
14066 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14067 rather than find_pool_constant.
14068 (get_pool_constant_for_function): Delete.
14069 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14070 find_pool_constant.
14071 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14072 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14073 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14074 (SYMBOL_REF_CONSTANT): New macro.
14075 (get_pool_constant_for_function): Delete.
14076 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14077 rather than SYMBOL_REF_DECL.
14078 (i386_pe_mark_dllimport): Likewise.
14079 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14080 rather than SYMBOL_REF_DECL.
14081 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14082 (machopic_indirect_call_target): Likewise.
14084 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14086 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14088 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14090 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14092 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14094 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14096 2006-01-24 David Daney <ddaney@avtrex.com>
14099 * configure.ac (enable_tls): New enable option.
14100 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14101 * configure: Regenerate.
14102 * doc/install.texi (--enable-tls): Document new option.
14103 (--disable-tls): Ditto.
14105 2006-01-24 Richard Henderson <rth@redehat.com>
14107 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14108 * alias.c (true_dependence): Respect it.
14109 (canon_true_dependence, write_dependence_p): Likewise.
14110 * builtins.c (get_builtin_sync_mem): Set it.
14112 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14114 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14117 2006-01-24 DJ Delorie <dj@redhat.com>
14119 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14120 for storing constants in single-bit bitfields.
14122 2006-01-25 Ben Elliston <bje@au.ibm.com>
14124 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14126 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14129 * tree-ssa-pre.c (phi_translate): Return NULL
14130 for AGGREGATE_TYPE's.
14132 2006-01-24 Zack Weinberg <zackw@panix.com>
14134 * genautomata.c (process_state_for_insn_equiv_partition):
14135 Use xcalloc for insn_arcs_array.
14136 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14137 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14139 2006-01-24 Richard Henderson <rth@redhat.com>
14141 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14142 update all callers.
14144 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14146 PR rtl-optimization/25890
14147 PR rtl-optimization/25905
14148 * combine.c (expand_compound_operation, expand_field_assignment):
14149 Fail if the bitfield's final position is out of bounds.
14151 2006-01-24 Ian Lance Taylor <ian@airs.com>
14153 PR middle-end/25930
14154 * cgraphunit.c (cgraph_output_in_order): Don't clear
14155 cgraph_asm_nodes until after asm strings have been output.
14157 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14159 * fix-header.c (read_scan_file): Add new parameter imultilib when
14160 calling register_include_chains.
14162 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14164 * omp-low.c: Update documentation.
14166 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14167 Daniel Berlin <dberlin@dberlin.org>
14171 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14172 return from the function.
14174 2006-01-22 Zack Weinberg <zackw@panix.com>
14176 * rtl.def (match_code): Add second argument.
14177 * genpreds.c (write_extract_subexp): New function.
14178 (write_match_code): Add path argument. Use write_extract_subexp.
14179 (write_predicate_expr): Pass path to write_match_code.
14180 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14181 not perform a mode test.
14182 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14183 a subexpression does not constrain the top-level code set.
14184 * read-rtl.c (read_rtx_variadic): New function.
14185 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14186 * doc/md.texi: Document new notation.
14187 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14188 (cmpsi_operand): ... here, using new notation.
14190 2006-01-22 Zack Weinberg <zackw@panix.com>
14192 * varray.c: Remove GENERATOR_FILE #ifdefs.
14194 2006-01-22 Zack Weinberg <zackw@panix.com>
14196 * genautomata.c (output_reserved_units_table): Emit nothing if
14197 description->query_units_num is zero. Remove extra blank line.
14198 (output_cpu_unit_reservation_p): Short circuit
14199 if description->query_units_num is zero.
14201 2006-01-22 Zack Weinberg <zackw@panix.com>
14203 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14204 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14205 nor any of the random handful of variables that used to be necessary
14206 when this program was linked with rtlanal.o. Prune set of forward
14207 function declarations.
14208 (struct attr_desc): Remove static_p field.
14209 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14210 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14211 (attr_string): Do not read the character one past the length of
14213 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14214 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14215 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14216 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14217 (make_automaton_attrs): New.
14218 (main): Do not call into genautomata. Call local gen_bypass
14219 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14220 Remove special case for insn_alts.
14221 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14222 varray.h (leftover from previous change). Prune set of forward
14223 function declarations. Remove state_alts fields from all
14224 structures. Remove state_alts_table from struct automaton.
14225 Make everything except main static. Do not maintain num_dfa_decls.
14226 Do not maintain state_alts fields of various structures.
14227 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14228 (add_arc): Remove state_alts argument. All callers updated.
14229 (output_reserved_units_table): Emit #ifdef here...
14230 (output_tables): ...not here. Don't generate state_alts tables.
14231 (expand_automata): Don't generate attributes.
14232 (write_automata): Don't generate state_alts functions.
14233 (main): New function.
14234 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14235 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14236 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14237 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14238 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14239 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14240 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14241 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14243 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14244 * genattrtab.h: Delete file.
14245 * Makefile.in (OBJS-common): Add insn-automata.o.
14246 (insn-automata.o): New rule.
14247 (simple_generated_c): Add insn-automata.c.
14248 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14249 (genprogmd): Add automata.
14250 (build/genattrtab): Needs no extra objects nor libraries.
14251 (build/genautomata): Needs build/vec.o and -lm.
14253 2006-01-22 Zack Weinberg <zackw@panix.com>
14255 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14256 (output_dfa_max_issue_rate, locked_states_num): Delete.
14257 (struct automaton): Add locked_states field.
14258 (output_dead_lock_vect): Save number of locked states in
14259 automaton->locked_states. If it is zero, don't print anything.
14260 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14261 (output_internal_dead_lock_func): Only test the dead_lock_vect
14262 for automata that have locked states.
14263 (output_statistics): Always print the number of locked states for
14264 each automaton. Calculate total number of locked states here.
14265 (write_automata): Don't call output_dfa_max_issue_rate.
14266 * genattrtab.c: Define length_unit_log as a const variable.
14267 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14268 max_insn_queue_index const.
14269 * final.c (length_unit_log): Declare const.
14270 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14272 2006-01-22 Zack Weinberg <zackw@panix.com>
14274 * genautomata.c: Include vec.h, not varray.h.
14275 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14276 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14277 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14278 VEC_* macros operating on appropriately typed vectors, or to
14279 malloced arrays when the size is known in advance. Const-ify
14280 many char* variables and function arguments. No functional changes.
14281 * Makefile.in (build/varray.o): Delete rule.
14282 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14283 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14285 2006-01-22 Zack Weinberg <zackw@panix.com>
14287 * gensupport.c: Define get_insn_name and record_insn_name here.
14288 (read_md_rtx): Call record_insn_name as appropriate.
14289 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14290 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14291 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14293 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14294 (BUILD_VARRAY): Delete.
14295 (genprognormal): Rename genprogmd. Fold in all programs from
14296 genprognoprint; also attrtab.
14297 (build/genattrtab): Just mention genautomata.o and varray.o.
14298 Reorganize a bit, add comments to make the categories clearer.
14300 2006-01-22 Zack Weinberg <zackw@panix.com>
14302 * genconditions.c (condition_table, add_condition): Delete.
14303 (write_conditions): Don't emit n_insn_conditions nor
14304 insn_elision_unavailable. Issue the gcc version #ifdef here,
14305 inside the table, with no #else clause ...
14306 (write_header): ...not here.
14307 (write_writer): New function.
14308 (main): Don't initialize condition_table. Use add_c_test.
14310 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14311 files on the command line.
14312 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14313 Return -1 if there is no entry in the table, don't abort.
14314 (add_c_test, traverse_c_tests): New functions.
14315 * gensupport.h (insn_elision_unavailable, insn_conditions)
14316 (n_insn_conditions): Delete declarations.
14317 (add_c_test, traverse_c_tests): Declare.
14318 * read-rtl.c: Include gensupport.h.
14319 (read_conditions): New function.
14320 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14321 (read_rtx_1): If we get EOF when we were looking for an initial
14322 open paren, return 0. Call read_conditions when appropriate.
14323 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14324 dummy-conditions.o. Eliminate references to insn-conditions.o,
14325 or change them to build/gencondmd.o, as appropriate. Remove
14326 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14327 from $(simple_generated_c). For all files remaining in those
14328 two lists, add insn-conditions.md to the generator command line.
14329 Give insn-constants.h/s-constants their own rules. Add rules
14330 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14331 (build/read-rtl.o): Depend on gensupport.h.
14332 (genprognormal): Include preds.
14333 (genprogearly): Rename genprognoprint; only difference is now that
14334 they don't link with $(BUILD_PRINT).
14335 * dummy-conditions.c: Delete.
14337 2006-01-22 Zack Weinberg <zackw@panix.com>
14339 * genextract.c: Don't include insn-config.h. Do include vec.h.
14340 Declare vectors of int, char, and locstr.
14341 (locstr): New typedef.
14342 (struct extraction): Make all array fields into bare pointers.
14343 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14344 (insn_code_number): Delete.
14345 (accum_extract): New struct.
14346 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14347 (gen_insn): Take insn_code_number as an argument. Use an
14348 accum_extract structure instead of loading data directly into
14349 a struct extraction, and having to know how big it might get.
14350 (walk_rtx): Operate entirely on an accum_extract structure.
14351 (print_path): Avoid unnecessary use of printf.
14352 (print_header): New function, split out of main. Distinguish
14353 more carefully between an unrecognizable insn and an insn that
14354 has the code number of a define_expand.
14355 (main): Pass insn_code_number to gen_insn. Call print_header
14356 only after parsing. Avoid unnecessary use of printf.
14357 * Makefile.in (build/vec.o): New rule.
14358 (build/genextract): Depend on build/vec.o.
14359 (build/genextract.o): Don't depend on insn-config.h.
14361 2006-01-22 Zack Weinberg <zackw@panix.com>
14363 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14364 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14365 practical. Eliminate per-generator-program link rules.
14367 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14369 PR middle-end/24437
14370 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14371 with a call expr to ...
14372 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14374 2006-01-23 Richard Guenther <rguenther@suse.de>
14376 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14377 before make_edge with conditional EDGE_TRUE_VALUE.
14379 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14380 Jan Hubicka <jh@suse.cz>
14381 Richard Guenther <rguenther@suse.de>
14383 PR rtl-optimization/25654
14384 * cfgexpand.c (aggregate_contains_union_type): New function.
14385 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14386 for structure variables that contain a union type.
14388 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14390 * gengtype.c (new_structure): Return the structure.
14391 (create_option): Add an extra "next" argument.
14392 (create_field): New function.
14393 (adjust_field_rtx_def): Use create_option and create_field.
14394 Remove a now-unnecessary call to find_structure.
14395 (adjust_field_tree_def): Likewise.
14396 (note_yacc_type): Remove an unnecessary call to find_structure.
14397 * gengtype.h (new_structure): Return the structure.
14398 (create_option): Add an extra argument.
14399 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14400 (option): Adjust calls to create_option.
14402 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14404 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14406 2006-01-22 Paul Brook <paul@codesourcery.com>
14407 Peter Barada <peter@the-baradas.com>
14409 * config/m68k/m68k.md: Add Coldfire FPU support.
14410 Define FP mode macro and associated attributes.
14411 Use it for float mode patterns.
14412 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14413 (LIBCALL_VALUE): Use m68k_libcall_value.
14414 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14415 (m68k_function_value): Ditto.
14416 (emit_move_sequence): Ditto.
14417 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14418 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14419 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14420 (MULTILIB_EXCEPTIONS): Ditto.
14421 * config/m68k/m68k.opt: Add mcfv4e.
14422 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14423 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14424 (m68k_output_function_prologue): Save ColdFire FPU registers.
14425 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14426 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14427 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14428 ColdFire FPU registers.
14429 (m68k_libcall_value, m68k_function_value): New functions.
14430 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14431 (LIBCALL_VALUE): Use m68k_libcall_value.
14432 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14433 (MASK_COLDFIRE): Add MASK_CFV4E.
14434 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14435 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14436 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14437 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14438 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14439 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14440 * doc/invoke.tex: Document -mcfv4e on m68k.
14442 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14444 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14447 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14450 * c-opts.c (c_common_handle_option): Don't include
14451 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14452 * doc/invoke.texi (C++ Dialect Options): Document that
14453 -Wnon-virtual-dtor is no longer included in -Wall.
14455 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14457 * gcov.c (print_version), gcov-dump.c (print_version),
14458 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14461 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14463 * df-scan.c (problem_SCAN): Added NULL reset function.
14464 (df_scan_reset_blocks): Added code to call reset block function
14465 (df_bb_refs_delete) Fixed comment.
14466 (df_insn_refs_delete): Made tolerant of deleting non existent info
14467 for dataflow problems that need to be reset.
14468 * df-core.c (df_set_blocks): Ditto.
14469 * df.h (struct df_problem): Added reset_fun.
14470 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14471 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14472 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14473 functions to clear out all references to def-use or use-def chains.
14475 2006-01-21 Ben Elliston <bje@au.ibm.com>
14477 * varasm.c (assemble_real): Initialise data array.
14479 2006-01-20 Paul Brook <paul@codesourcery.com>
14481 Merge from csl-arm-branch.
14482 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14483 * config/arm/arm.md (movdi): Force operands[1] to a register
14484 if we have a non-register source.
14485 (*arm_movdi, *movdf_soft_insn): Require that one of the
14486 operands be a register.
14487 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14488 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14490 2006-01-20 DJ Delorie <dj@redhat.com>
14492 * varasm.c (initializer_constant_valid_p): Allow pointers
14493 initialized from integer constants of lesser precision.
14494 (output_constant): Allow non-int-sized pointer modes to be
14495 initialized from integer constants.
14497 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14500 * cppdefault.h (struct default_include): Add multilib flag.
14501 * cppdefault.c (cpp_include_defaults): Set it.
14502 * c.opt (-imultilib): New option.
14503 * c-opts.c (imultilib): New.
14504 (c_common_handle_option): Handle -imultilib.
14505 (c_common_post_options): Likewise.
14506 * c-incpath.c (add_standard_paths, register_include_chains):
14508 * c-incpath.h (register_include_chains): Add extra parameter.
14509 * gcc.c (do_spec_1): Generate -imultilib option.
14510 (The Specs Language): Update %I description.
14511 (process_command): Update copyright notice.
14512 * doc/cppopts.texi (-imultilib): Document.
14513 * doc/invoke.texi (-imultilib): Include in option summary.
14514 (%I): Update specs documentation.
14516 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14518 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14520 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14522 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14525 2006-01-20 Richard Guenther <rguenther@suse.de>
14526 Steven Bosscher <stevenb.gcc@gmail.com>
14528 PR rtl-optimization/24626
14529 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14530 EDGE_TRUE_VALUE if in RTL mode.
14533 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14534 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14536 2006-01-20 Dirk Mueller <dmueller@suse.com>
14539 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14540 instead of a special NOP marker.
14541 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14542 NOP marker handling.
14543 * c-common.h (empty_body_warning): Add forward declaration.
14544 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14545 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14547 2006-01-20 Paul Brook <paul@codesourcery.com>
14549 * Makefile.in (lang_checks): Keep going if mkdir fails.
14551 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14553 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14554 be able to clean out basic block when not necessary.
14555 (df_scan_free): Fixed to properly delete information if df is
14556 unused before calling df_finish.
14557 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14558 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14560 (df_bb_refs_delete): New function.
14561 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14562 * df-core.c (df_set_blocks): Added code to properly clean out
14563 unused blocks if they are not part of the blocks to consider.
14564 Added additional null check.
14565 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14566 be able to clean out basic block when not necessary
14567 * df.h (df_free_bb_function): Ditto.
14568 (df_bb_refs_delete): New function.
14569 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14570 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14571 basic block parameter to be able to clean out basic block when not
14573 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14574 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14575 Fixed to properly delete information if df is unused before
14578 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14580 PR rtl-optimization/25799
14581 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14582 Corrected confluence operator to remove bits from op2 before oring
14583 with op1 rather than removing bits from op1.
14584 (df_ru_transfer_function): Corrected test on wrong bitmap which
14585 caused infinite loop. Both of these problems were introduced in
14586 the dataflow rewrite.
14588 2006-01-19 DJ Delorie <dj@redhat.com>
14590 * reload1.c (find_reload_regs): Note the details of reload
14591 failures in the dump file.
14592 (spill_failure): Likewise.
14594 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14596 * loop-iv.c: Include df.h and hashtab.h.
14597 (enum iv_grd_result): New enum.
14598 (DF_REF_IV, DF_REF_IV_SET): New macros.
14599 (struct biv_entry): New.
14600 (df, bivs): New global variables.
14601 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14602 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14604 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14605 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14606 analyzed_for_bivness_p, record_biv): New functions.
14607 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14608 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14609 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14611 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14613 (iv_number_of_iterations): Use new interface to iv analysis.
14614 * loop-unroll.c: Do not include varray.h.
14615 (analyze_iv_to_split_insn): Use new interface to iv
14617 * loop-unswitch.c (may_unswitch_on): Ditto.
14618 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14620 (df_bb_modify): Realloc tables to the new index.
14621 (df_find_use): New function.
14622 * df.h (df_find_use): Declare.
14623 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14625 * cfgloop.h (struct rtx_iv): Remove analysed field.
14626 (iv_get_reaching_def): Removed.
14627 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14628 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14629 (loop-iv.o): Add df.h and hashtab.h dependency.
14630 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14632 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14635 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14637 (__floatundisf, __floatundidf): Likewise.
14638 * libgcc2.h (IS_IBM_EXTENDED): Define.
14640 2006-01-19 DJ Delorie <dj@redhat.com>
14642 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14644 2006-01-19 Paul Brook <paul@codesourcery.com>
14646 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14647 as nothrow when unwinding tables are disabled.
14649 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14652 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14653 of bit-field" when in system header.
14655 2006-01-19 DJ Delorie <dj@redhat.com>
14657 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14658 the 16 bit shift limit of the m16c.
14660 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14663 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14664 * config/i386/i386.c (output_set_got): Output the label if we have one
14665 for the TARGET_DEEP_BRANCH_PREDICTION case.
14667 2006-01-19 Jan Hubicka <jh@suse.cz>
14668 H.J. Lu <hongjiu.lu@intel.com>
14669 Evandro Menezes <evandro.menezes@amd.com>
14671 * invoke.texi (generic): Document
14673 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14674 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14675 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14676 (x86_use_incdec, x86_pad_returns): New variables
14677 (TARGET_CPU_DEFAULT_generic): New constant
14678 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14679 (enum processor_type): Add generic32 and generic64.
14680 * i386.md (cpu attribute): Add generic32/generic64
14681 (movhi splitter): Behave sanely when both partial_reg_dependency and
14682 partial_reg_stall are set.
14683 (K8 splitters): Enable for generic as well.
14684 * predicates.md (incdec_operand): Use TARGET_INCDEC
14685 (aligned_operand): Avoid memory mismatch stalls.
14686 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14687 * ppro.md: Enable for generic32
14688 * i386.c (generic64_cost, generic32_cost): New.
14689 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14690 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14691 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14692 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14693 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14694 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14695 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14696 x86_accumulate_outgoing_args, x86_prologue_using_move,
14697 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14698 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14699 Enable for generic.
14700 (x86_use_incdec, x86_pad_returns): New.
14701 (override_options): Add generic32 and generic64, translate "generic"
14702 to generic32/generic64 and "i686" to "generic32", refuse
14703 "generic32"/"generic64" as arch target.
14704 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14705 (ix86_reorg): Honor PAD_RETURNS.
14707 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14709 * tree-pretty-print.c (dump_generic_node): Handle
14710 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14711 * cgraph.c (cgraph_expand_queue): Rename from
14712 cgraph_analyze_queue. Update all users.
14713 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14714 cgraph_expand_queue.
14715 (cgraph_expand_all_functions): Likewise.
14716 (cgraph_finalize_pending_functions): Remove. Update callers.
14718 * tree.h (OMP_DIRECTIVE_P): Define.
14719 (OMP_PARALLEL_FN): Define.
14720 (OMP_PARALLEL_DATA_ARG): Define.
14721 (OMP_SECTIONS_SECTIONS): Define.
14722 * tree-pass.h (pass_expand_omp): Declare.
14723 * omp-low.c (struct omp_region): Declare.
14724 (struct omp_context): Remove fields 'parallel_type',
14725 'parallel_start_ix' and 'parallel_start_additional_args'.
14727 (struct omp_for_data): Rename from struct expand_omp_for_data.
14728 (omp_regions): New static variable.
14729 (root_omp_region): New static variable.
14730 (find_omp_clause): Make static.
14731 (is_in_combined_parallel_ctx): Remove.
14732 (is_combined_parallel): New.
14733 (extract_omp_for_data): Move earlier in the file.
14734 (workshare_safe_to_combine_p): New.
14735 (get_ws_args_for): New.
14736 (determine_parallel_type): Move earlier in the file.
14737 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14739 (omp_copy_decl): Likewise.
14740 (create_omp_child_function): Likewise.
14741 (lookup_omp_region): New.
14742 (dump_omp_region): New.
14743 (debug_omp_region): New.
14744 (debug_all_omp_regions): New.
14745 (new_omp_region): New.
14746 (scan_omp_parallel): If parallel_nesting_level > 1, the
14747 directive is nested within another parallel directive.
14748 Set OMP_PARALLEL_FN.
14749 (scan_omp_for): Do not try to handle combined parallel+for
14751 Remove FIXME comment.
14752 (scan_omp_nested): Remove.
14753 (scan_omp_1): Do not call scan_omp_nested when
14754 parallel_nesting_level is > 1.
14755 Do not change the DECL_CONTEXT of local variables found.
14756 (lookup_decl_in_outer_ctx): New.
14757 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14758 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14759 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14760 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14761 If CTX is nested, lookup VAR in the outer context when
14762 building copy assignment.
14763 (lower_send_clauses): Rename from expand_send_clauses.
14764 If CTX is nested, lookup VAR in the outer context when
14765 building copy assignments.
14766 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14767 If CTX is nested, lookup VAR in the outer context when
14768 building copy assignments.
14769 (expand_parallel_call): Rename from build_parallel_call.
14770 Handle combined parallel+workshare cases.
14771 Re-implement to emit code into the CFG.
14773 (expand_omp_parallel): Re-implement to emit code into the CFG.
14774 Call move_sese_region_to_fn to outline the sub-graph
14775 containing the parallel region.
14776 (expand_omp_for_1): Remove.
14777 (expand_omp_for_generic): Re-implement to emit code into the
14779 (expand_omp_for_static_nochunk): Likewise.
14780 (expand_omp_for_static_chunk): Likewise.
14781 (expand_omp_for): Likewise.
14782 (expand_omp_sections): Likewise.
14783 (remove_exit_barriers): New.
14784 (expand_omp_synch): New.
14786 (build_omp_regions_1): New.
14787 (build_omp_regions): New.
14788 (execute_expand_omp): New.
14789 (gate_expand_omp): New.
14790 (pass_expand_omp): Define.
14791 (lower_omp_sections): Rename from expand_omp_sections.
14792 Set OMP_SECTIONS_SECTIONS.
14793 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14794 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14795 (lower_omp_single): Rename from expand_omp_simple.
14796 (lower_omp_master): Rename from expand_omp_master.
14797 (lower_omp_ordered): Rename from expand_omp_ordered.
14798 (lower_omp_critical): Rename from expand_omp_critical.
14799 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14800 (lower_omp_for): Re-implement.
14801 (lower_omp_parallel): Re-implement.
14802 (lower_regimplify): Rename from expand_regimplify.
14803 (lower_omp_1): Rename from expand_omp_1.
14804 If there are syntax errors in the program, replace every
14805 OpenMP directive with NOP.
14806 Call lower_omp_* instead of expand_omp_*.
14807 (lower_omp): Rename from expand_omp.
14809 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14810 * tree-gimple.h (enum omp_parallel_type): Remove.
14811 (gimple_boolify): Declare extern.
14812 (find_omp_clause, determine_parallel_type): Remove.
14814 * gimple-low.c (lower_omp_directive): New.
14815 (lower_stmt): Call it.
14816 (record_vars_into): Move from ...
14817 (record_vars): ... here.
14818 Call record_vars_into with current_function_decl.
14820 * gimplify.c (struct gimplify_ctx): Remove fields
14821 combined_pre_p and combined_ctxp. Update users.
14822 (get_formal_tmp_var): Add documentation.
14823 (gimple_boolify): Make extern.
14824 (gimplify_expr_in_ctx): Remove. Update callers.
14825 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14826 will always be a BIND_EXPR.
14827 (gimplify_expr): Handle OMP_RETURN_EXPR.
14828 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14829 (OMP_PARALLEL): Add 3 operands.
14830 (OMP_SECTIONS): Add 1 operand.
14831 (OMP_RETURN_EXPR): Define.
14833 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14834 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14835 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14836 creating a circular free list.
14837 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14839 * tree-flow.h (move_sese_region_to_fn): Declare.
14840 (record_vars_into): Declare.
14841 * tree-cfg.c (make_omp_sections_edges): New.
14842 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14843 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14844 OMP_SECTIONS and OMP_SECTION.
14845 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14846 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14847 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14848 (gather_blocks_in_sese_region): New.
14849 (struct move_stmt_d): Declare.
14850 (move_stmt_r): New.
14851 (move_block_to_fn): New.
14852 (move_sese_region_to_fn): New.
14854 * passes.c (init_optimization_passes): Schedule
14855 pass_expand_omp after pass_init_datastructures.
14857 * tree-ssa-operands.c (get_expr_operands): Handle
14858 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14859 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14861 2006-01-19 Jeff Law <law@redhat.com>
14863 * tree-vrp.c (extract_range_from_assert): Refine the result range
14864 if the variable referenced by the ASSERT_EXPR has a range and
14865 either the tentative result range or the previous range is a
14868 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14870 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14872 2006-01-19 Jan Hubicka <jh@suse.cz>
14874 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14876 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14878 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14879 (expand_compound_operation, expand_field_assignment): Fail if the
14880 bit lengths of an extract operation are out of range.
14881 (make_extraction): Compute wanted_inner_mode based on the position
14882 and length of the extraction. Make it extraction_mode for non-constant
14883 positions, and do not modify offset in that case. When generating a
14884 new MEM, use a mode that can hold the extraction while keeping correct
14885 alignment. Remove code that supported MEMs wrapped by USEs.
14886 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14888 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14890 * config/s390/s390.md ("Y", "y"): New mode attribute.
14891 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14892 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14893 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14894 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14895 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14896 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14897 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14898 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14899 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14900 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14901 "addsi3", "subsi3"): Insn patterns removed.
14902 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14903 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14904 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14905 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14906 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14907 "*sub<mode>3_cconly2"): New insn patterns.
14908 ("addsi3", "subsi3"): New expanders.
14910 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14912 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14913 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14914 existing STMT_VINFO_VECTYPE if available.
14915 (vect_mark_relevant): Add special handling for stmts that are
14916 marked as STMT_VINFO_IN_PATTERN_P.
14917 (vect_analyze_loop): Call vect_pattern_recog.
14918 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14919 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14921 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14922 (vect_recog_func_ptr): New function-pointer type.
14923 * tree-vect-patterns.c: New file.
14924 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14925 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14926 (vect_pattern_recog_1): New functions.
14927 (vect_pattern_recog_funcs): New array of function pointers.
14929 * tree-vectorizer.h (ternary_op): New enum value.
14930 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14931 declaration. Revised documentation. Removed redundant dump prints.
14932 Removed redundant argument. Added support for reduction patterns.
14933 (vectorizable_reduction): Added support for reduction patterns.
14934 (vect_transform_stmt): Added support for patterns.
14936 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14937 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14938 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14939 (expand_widen_pattern_expr): New function.
14940 (init_optabs): Initialize new optabs udot_prod_optab,
14942 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14943 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14944 (expand_widen_pattern_expr): New function declaration.
14945 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14947 * tree-inline.c (estimate_num_insns_1): Added cases for new
14948 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14949 * tree-pretty-print.c (dump_generic_node): Likewise.
14950 (op_prio): Likewise.
14951 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14952 * tree-ssa-operands.c (get_expr_operands): Added case for
14954 * tree-vect-patterns.c (widened_name_p): New function.
14955 (vect_recog_dot_prod_pattern): Added function implementation.
14956 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14957 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14958 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14959 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14961 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14962 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14963 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14964 (init_optabs): Initialize new optabs widen_ssum_optab,
14966 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14967 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14968 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14969 use instead of type of def.
14970 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14971 function implementation.
14972 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14973 widen_ssumv8hi): New.
14975 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14978 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14981 * c-decl.c (add_flexible_array_elts_to_size): New function.
14982 (finish_decl): Use it.
14984 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14986 * diagnostic.h: Include options.h.
14987 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14988 dependancies for diagnostic.h.
14989 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14991 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14993 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14994 (ssa_ro_call_cache_valid): Ditto.
14995 * tree-ssa-alias.c (sort_tags_by_id): New function.
14996 (init_transitive_clobber_worklist): Ditto.
14997 (add_to_worklist): Ditto.
14998 (mark_aliases_call_clobbered): Ditto.
14999 (compute_tag_properties): Ditto.
15000 (set_initial_properties): Ditto.
15001 (compute_call_clobbered): Ditto.
15002 (compute_may_aliases): Call compute_call_clobbered and grouping.
15003 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15004 (compute_flow_insensitive_aliasing): Grouping now happens in our
15006 (setup_pointers_and_addressables): Remove clobbering related code.
15007 (add_may_alias): Ditto.
15008 (replace_may_alias): Ditto.
15009 (get_nmt_for): Ditto.
15010 (create_global_var):
15011 (is_escape_site): Return an escape_type enumeration.
15012 * tree-flow-inline.h (is_call_clobbered): Global var does not
15013 imply call clobbered.
15014 (mark_call_clobbered): Take a reason for marking this. Remove
15015 marking of globalness, and cache invalidation.
15016 (clear_call_clobbered): Remove cache invalidation code.
15017 * tree-dfa.c (dump_variable): If details is on, dump the reason
15019 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15021 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15022 (struct var_ann_d): Ditto.
15023 (enum escape_type): New.
15024 (mark_call_clobbered): Adjust prototype.
15025 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15026 are never call clobbered.
15027 Record reasons for escaping.
15028 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15029 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15030 (ssa_ro_call_cache_valid): Ditto.
15031 (clobbered_v_may_defs): Ditto.
15032 (clobbered_vuses): Ditto.
15033 (ro_call_vuses): Ditto.
15034 (clobber_stats): New.
15035 (init_ssa_operands): Zero out clobber stats.
15036 (fini_ssa_operands): Print out clobber stats.
15037 (get_call_expr_operands): Pass callee fndecl to
15038 add_call_read_ops).
15039 (add_call_clobber_ops): Remove use of cache.
15040 Add use of PURE_CONST information.
15041 (add_call_read_ops): Remove use of cache.
15042 Add use of static not_read information.
15044 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15046 Introduce TLS descriptors for i386 and x86_64.
15047 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15048 (TARGET_ANY_GNU_TLS): New macro.
15049 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15050 (struct machine_function): Add tls_descriptor_call_expanded_p.
15051 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15052 (ix86_current_function_calls_tls_descriptor): Likewise.
15053 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15054 (override_options): Introduce gnu2 tls dialect.
15055 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15057 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15059 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15060 (ix86_init_machine_status): Initialize new field.
15061 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15062 (ix86_tls_module_base): New.
15063 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15064 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15065 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15066 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15067 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15068 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15069 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15070 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15071 * config/i386/predicates.md (tls_modbase_operand): New.
15072 (tp_or_register_operand): New.
15074 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15076 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15077 (look_for_address_of): Ditto.
15078 (ipa_init): Walk the function decls.
15079 (static_execute): Don't set readonly on FUNCTION_DECL's.
15081 2006-01-18 Roger Sayle <roger@eyesopen.com>
15083 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15084 for shifts where the source and destination registers are different.
15086 2006-01-18 Paul Brook <paul@codesourcery.com>
15088 Merge from csl-arm-branch.
15089 2005-03-14 Julian Brown <julian@codesourcery.com>
15090 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15091 (aeabi_llsl): Likewise.
15092 (ashrdi3): Likewise.
15093 (aeabi_lasr): Likewise.
15094 (lshrdi3): Likewise.
15095 (aeabi_llsr): Likewise.
15096 2005-03-10 Julian Brown <julian@codesourcery.com>
15097 * config.gcc: Disable shared libgcc for SymbianOS.
15098 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15100 2006-01-18 DJ Delorie <dj@redhat.com>
15102 * c-pragma.c (handle_pragma_diagnostic): New.
15103 (init_pragma): Register it.
15104 * doc/extend.texi: Document it.
15106 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15107 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15108 (diagnostic_context): Add classify_diagnostic[].
15109 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15110 as errors if they're overridden to DK_WARNING.
15111 (diagnostic_initialize): Initialize classify_diagnostic[].
15112 (diagnostic_set_kind_override): New.
15113 (diagnostic_report_diagnostic): Check for kind changes.
15114 * opts.c (common_handle_option): Take lang_mask. Update callers.
15115 Handle OPT_Werror_.
15116 * common.opt (Werror=): New.
15117 * doc/invoke.texi: Document -Werror=*
15119 2006-01-18 Jeff Law <law@redhat.com>
15121 * tree-vrp.c (test_for_singularity): Correct test for new
15122 min limit. Use operand_equal_p rather than pointer equality
15123 for testing if new min/max values are equal.
15125 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15126 using range information until after propagation and folding.
15128 2006-01-18 Richard Henderson <rth@redhat.com>
15129 Aldy Hernandez <aldyh@redhat.com>
15130 Jakub Jelinek <jakub@redhat.com>
15131 Diego Novillo <dnovillo@redhat.com>
15133 * omp-low.c: New file.
15134 * c-omp.c: New file.
15136 2006-01-18 Richard Henderson <rth@redhat.com>
15137 Jakub Jelinek <jakub@redhat.com>
15138 Diego Novillo <dnovillo@redhat.com>
15140 * doc/invoke.texi: Document -fopenmp.
15141 * tree-dump.h (debug_function): Declare.
15142 * hooks.c (hook_bool_tree_bool_false): New function.
15143 (hook_tree_tree_null): Remove.
15144 (hook_tree_tree_tree_null): New.
15145 * hooks.h: Update to match.
15146 * tree-pretty-print.c (debug_tree_chain): New.
15147 (print_generic_expr): Handle TDF_CHAIN.
15148 (dump_generic_node): Handle BLOCK.
15149 Do not abort with incomplete SWITCH_EXPRs.
15150 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15151 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15152 print space after directive name.
15153 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15154 Handle OMP_MASTER and OMP_ORDERED.
15155 Handle printing of OMP_BODY just in one place, goto
15156 dump_omp_body in the rest of OMP_* nodes that have
15158 Don't handle clause nodes here. Update omp statements to
15159 use dump_omp_clauses.
15160 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15161 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15162 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15163 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15164 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15165 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15166 Adjust output for GOMP_PARALLEL.
15167 (dump_omp_clauses): New.
15168 (print_declaration): Dump DECL_VALUE_EXPR.
15169 (op_symbol_1): Split out of op_symbol.
15170 (dumping_stmts): Remove. Update all users.
15171 * cgraph.c (cgraph_analyze_queue): New.
15172 (cgraph_add_new_function): New.
15173 * cgraph.h (cgraph_analyze_queue): Declare.
15174 (cgraph_add_new_function): Declare.
15175 (cgraph_lower_function): Remove.
15176 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15177 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15178 and TYPE_P nodes in its default clause.
15179 (empty_body_p): New.
15180 (tree_range_check_failed): New.
15181 (build5_stat): New.
15182 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15183 OMP_CLAUSE_REDUCTION_MERGE,
15184 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15185 OMP_CLAUSE_PRIVATE_DEBUG,
15186 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15187 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15188 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15189 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15190 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15191 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15192 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15193 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15194 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15195 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15196 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15197 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15198 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15199 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15200 (TREE_RANGE_CHECK): New.
15201 (empty_body_p): Declare.
15202 (enum omp_clause_default_kind): New.
15203 (build_string_literal): Declare.
15204 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15205 (build5_stat, build5): Declare.
15206 * tree-pass.h (TDF_CHAIN): Define.
15207 * tree-pass.h (PROP_gimple_lomp): Define.
15208 (pass_lower_omp): Declare.
15209 * diagnostic.h (debug_tree_chain): Declare.
15210 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15212 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15213 * builtins.c (build_string_literal): Make extern.
15214 * gcc.c (include_spec_function): New.
15215 (static_spec_functions): Add it.
15216 (main): Move load of libgomp.spec ...
15217 (LINK_COMMAND_SPEC): ... here.
15218 (link_gomp_spec): New.
15219 (static_specs): Include it.
15220 (LINK_COMMAND_SPEC): Add link_gomp.
15221 (GOMP_SELF_SPECS): New.
15222 (driver_self_specs): Include it.
15223 (switch_matches): Don't mark inline.
15224 (main): Load libgomp.spec.
15225 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15226 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15227 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15228 * tree-gimple.h (enum omp_parallel): Declare.
15229 (determine_parallel_type): Declare.
15230 (omp_firstprivatize_variable): Declare.
15231 (omp_reduction_init): Declare.
15232 (diagnose_omp_structured_block_errors): Declare.
15233 (struct walk_stmt_info): Add want_return_expr.
15234 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15235 (find_omp_clause): Declare.
15236 (insert_field_into_struct): Declare.
15237 (struct walk_stmt_info): Move from tree-nested.c
15238 (walk_stmts): Declare.
15239 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15241 * cgraphunit.c (cgraph_lower_function): Make static.
15242 (cgraph_finalize_pending_functions): New.
15243 (cgraph_finalize_function): Call it.
15244 (cgraph_finalize_compilation_unit): Likewise.
15245 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15246 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15247 (BT_FN_UINT_UINT): New.
15248 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15249 DEF_FUNCTION_TYPE_VAR_4): Document.
15250 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15251 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15252 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15253 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15254 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15255 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15256 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15257 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15258 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15259 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15260 into separate files.
15261 (DEF_GOMP_BUILTIN): New.
15262 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15263 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15264 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15265 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15266 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15267 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15268 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15269 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15270 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15271 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15272 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15273 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15274 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15275 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15276 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15277 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15278 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15279 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15280 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15281 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15282 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15283 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15284 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15285 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15286 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15287 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15288 * sync-builtins.def: New file, moved from builtins.def.
15289 * omp-builtins.def: New file, moved from builtins.def.
15290 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15291 * gimple-low.c (lower_function_body): Clear data.
15292 (lower_stmt): Do not handle COMPOUND_EXPR.
15293 Remove call to print_node_brief.
15294 * c-tree.h (c_finish_omp_clauses): New prototype.
15295 (C_DECL_THREADPRIVATE_P): Define.
15296 (lookup_name_no_remap, c_omp_remap_private): Remove
15297 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15298 (check_for_loop_decls): Update decl.
15299 (lookup_name_no_remap, c_omp_remap_private): Declare.
15300 (build_indirect_ref, build_modify_expr, pushdecl,
15301 pushdecl_top_level): Move to c-common.h.
15302 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15303 before the switch, but just in the 2 places that need it.
15304 * c-decl.c (diagnose_mismatched_decls): Do not check for
15305 mismatched thread-local attributes when OLDDECL is marked
15306 threadprivate and NEWDECL has no thread-local attributes.
15307 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15308 (c_gimple_diagnostics_recursively): Rename from
15309 c_warn_unused_result_recursively. Invoke
15310 diagnose_omp_structured_block_errors.
15311 (check_for_loop_decls): Return a singular decl found.
15312 * langhooks.c (lhd_omp_predetermined_sharing): Return
15313 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15314 (lhd_omp_firstprivatize_type_sizes): New.
15315 (lhd_omp_assignment): New.
15316 (lhd_omp_predetermined_sharing): New.
15317 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15318 (struct lang_hooks_for_types): Add
15319 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15320 omp_predetermined_sharing, omp_disregard_value_expr,
15321 omp_private_debug_clause, omp_clause_default_ctor,
15322 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15323 (c_finish_omp_clauses): New.
15324 (c_finish_bc_stmt): Diagnose break within omp for.
15325 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15326 (build_unary_op): Return error_mark after reporting
15328 (build_modify_expr): Likewise.
15329 * gimplify.c: Include optabs.h and pointer-set.h.
15330 (enum gimplify_omp_var_data): Declare.
15331 (struct gimplify_omp_ctx): Declare.
15332 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15334 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15335 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15336 (splay_tree_compare_decl_uid): New.
15337 (new_omp_context): New.
15338 (delete_omp_context): New.
15339 (gimple_add_tmp_var): Call omp_add_variable.
15340 (gimplify_bind_expr): Likewise.
15341 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15342 true, disregard DECL_VALUE_EXPR on the decl if any.
15343 (gimplify_expr_in_ctx): New.
15344 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15345 omp_add_variable, omp_notice_variable, omp_is_private
15346 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15347 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15348 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15349 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15350 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15351 gimplify_omp_atomic): New.
15352 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15353 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15354 OMP_CRITICAL and OMP_ATOMIC.
15355 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15356 * c-pragma.h (enum pragma_kind): Add
15357 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15358 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15359 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15360 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15361 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15362 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15363 PRAGMA_OMP_THREADPRIVATE.
15364 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15365 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15366 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15367 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15368 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15369 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15370 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15371 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15372 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15373 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15374 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15375 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15376 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15378 (struct nesting_info): Add field_map,
15379 suppress_expansion, debug_var_chain.
15380 (create_nesting_tree): Initialize them.
15381 (lookup_field_for_decl): Use field_map.
15382 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15383 (convert_local_omp_clauses): New.
15384 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15385 (walk_body): Split out of walk_function.
15386 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15387 (convert_nonlocal_reference): Handle omp statements.
15388 (convert_local_reference): Likewise.
15389 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15390 (unnest_nesting_tree): New.
15391 (lower_nested_functions): Call it.
15392 (insert_field_into_struct): Make extern.
15393 (struct walk_stmt_info): Move to tree-gimple.h.
15394 (walk_stmts): Make extern.
15395 * omp-builtins.def: New file.
15396 * tree-iterator.c (expr_only): Clarify comment.
15397 * c-common.h (pushdecl_top_level, pushdecl,
15398 build_modify_expr, build_indirect_ref,
15399 c_finish_omp_master, c_finish_omp_critical,
15400 c_finish_omp_ordered, c_finish_omp_barrier,
15401 c_finish_omp_atomic, c_finish_omp_flush,
15402 c_finish_omp_for, c_split_parallel_clauses,
15403 omp_clause_default_kind, c_omp_sharing_predetermined,
15404 c_omp_remap_decl): Declare.
15405 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15406 (OBJS-common): Add omp-low.o.
15407 (c-omp.o, omp-low.o): Add.
15408 (gimplify.o): Add dependency on $(OPTABS_H).
15409 (GTFILES): Add omp-low.c.
15410 (gt-stringpool.h): Add.
15411 * tree-cfg.c (set_bb_for_stmt): Do not update the
15412 block-to-labels map if we are currently expanding to RTL.
15413 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15415 Handle IDENTIFIER_NODE.
15416 (tree_verify_flow_info): Do not ICE when emitting error
15417 messages about invalid labels.
15418 (dump_function_to_file): Reset CFUN before emitting the body
15420 (debug_function): New.
15421 * passes.c (init_optimization_passes): Schedule
15423 * langhooks-def.h (lhd_omp_predetermined_sharing,
15424 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15426 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15427 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15428 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15429 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15430 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15431 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15432 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15433 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15434 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15435 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15436 (LANG_HOOK_DECLS): Use them.
15438 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15439 Richard Henderson <rth@redhat.com>
15440 Jakub Jelinek <jakub@redhat.com>
15441 Diego Novillo <dnovillo@redhat.com>
15443 * c-parser.c (pragma_omp_clause): Define.
15444 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15445 (c_parser_compound_statement): Likewise.
15446 (c_parser_statement): Likewise.
15447 (c_parser_pragma): Handle omp pragmas.
15448 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15449 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15450 (c_parser_omp_clause_name, check_no_duplicate_clause,
15451 c_parser_omp_variable_list,
15452 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15453 c_parser_omp_clause_copyprivate,
15454 c_parser_omp_clause_default,
15455 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15456 c_parser_omp_clause_lastprivate,
15457 c_parser_omp_clause_nowait,
15458 c_parser_omp_clause_num_threads,
15459 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15460 c_parser_omp_clause_reduction,
15461 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15462 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15463 c_parser_omp_atomic, c_parser_omp_barrier,
15464 c_parser_omp_critical, c_parser_omp_flush,
15465 c_parser_omp_for_loop, c_parser_omp_for,
15466 c_parser_omp_master, c_parser_omp_ordered,
15467 c_parser_omp_sections_scope, c_parser_omp_sections,
15468 c_parser_omp_parallel, c_parser_omp_single,
15469 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15470 * c-pragma.c (init_pragma): Do omp pragma registration here.
15471 * c.opt (fopenmp): New flag.
15473 2006-01-18 Eric Christopher <echristo@apple.com>
15475 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15476 * config/darwin.h (GOMP_SELF_SPECS): Define.
15478 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15480 * rtl.h: Remove the prototype for reg_alloc.
15482 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15485 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15486 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15487 sjlj and dwarf2 exception handling.
15488 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15489 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15490 * pa/pa.c (function_value): Treat complex and vector types as
15492 (function_arg): Likewise. Only pass scalar floats in the floating
15493 point argument registers.
15494 * pa/t-slibgcc-dwarf-ver: New file.
15495 * pa/t-slibgcc-sjlj-ver: New file.
15496 * pa/t-slibgcc-elf-ver: Delete file.
15498 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15500 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15501 unlikely_test_section_p test.
15503 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15505 * mode-switching.c (optimize_mode_switching): Make it static.
15506 * basic-block.h: Remove the prototype for
15507 optimize_mode_switching.
15509 * modulo-sched.c (sms_schedule): Make it static.
15510 * rtl.h: Remove the prototype for sms_schedule.
15512 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15513 * rtl.h: Remove the prototype for gcse_after_reload_main.
15515 * reg-stack.c (reg_to_stack): Make it static.
15516 * rtl.h: Remove the prototype for reg_to_stack.
15518 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15520 * rtl.h: Remove the prototypes for regrename_optimize and
15521 copyprop_hardreg_forward.
15523 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15525 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15526 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15527 Test against the appropriate null constant for the mode.
15528 If 'fixup_overlap' is true, swap the operands if they overlap.
15529 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15530 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15531 alpha_split_tmode_pair and adjust for above change.
15532 * config/alpha/alpha.md (movtf_internal): Adjust call to
15533 alpha_split_tfmode_pair and rely on it to swap the operands.
15534 (movti_internal): New insn and post-reload splitter.
15535 (movti): New expander.
15537 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15539 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15542 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15544 * rtlanal.c (global_reg_mentioned_p_1,
15545 global_reg_mentioned_p): Remove.
15546 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15548 * flow.c (initialize_uninitialized_subregs): Make it static.
15549 * rtl.h: Remove the prototype for
15550 initialize_uninitialized_subregs.
15552 * function.c (instantiate_virtual_regs): Make it static.
15553 * function.h: Remove the prototype for
15554 instantiate_virtual_regs.
15556 * regmove.c (regmove_optimize, combine_stack_adjustments):
15558 * rtl.h: Remove the prototypes for regmove_optimize and
15559 combine_stack_adjustments.
15561 2006-01-17 Roger Sayle <roger@eyesopen.com>
15563 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15564 (size_cost): Encode costs in bytes so that a reg-reg addition is
15565 equivalent to COSTS_N_INSNS(1).
15566 (override_options): Use the size_cost.branch_cost as the default
15567 ix86_branch_cost when optimizing for size.
15569 2006-01-18 Ben Elliston <bje@au.ibm.com>
15571 * Makefile.in (D32PBIT_FUNCS): New.
15572 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15573 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15574 D64PBIT_FUNCS and D128PBIT_FUNCS.
15575 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15576 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15578 (decnumber_dep): Define.
15579 * doc/libgcc.texi (Decimal float library routines): New node.
15580 * config/dfp-bit.h, config/dfp-bit.c: New files.
15582 2006-01-18 Ben Elliston <bje@au.ibm.com>
15584 * expr.c (emit_move_change_mode): Always adjust addresses, not
15585 just during reload. Copy replacements only during reload.
15586 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15587 emit_move_via_integer.
15589 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15591 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15592 instead of $(srcdir) and ${srcdir}.
15594 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15597 PR middle-end/11135
15598 * arm.h (struct machine_function): Add pic_reg.
15599 * arm.c (arm_pic_register): Make unsigned.
15600 (arm_override_options): Only set arm_pic_register if
15601 TARGET_SINGLE_PIC_BASE.
15602 (use_return_insn): Only test for a pic register if it is fixed.
15603 (arm_compute_save_reg0_reg12_mask): Likewise.
15604 (thumb_compute_save_reg_mask): Likewise.
15605 (legitimate_pic_operand): Factor out some known invariants.
15606 (legitimize_pic_address): If we don't have a fixed pic register,
15607 then set up a pseudo in the function entry sequence. Handle the
15608 pic base being in a pseudo.
15609 (arm_load_pic_register): Handle the pic register being in a pseudo.
15610 (arm_expand_prologue): Only set up the pic register if it is fixed.
15611 (thumb_expand_prologue): Likewise.
15612 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15613 (pic_load_addr_based_insn): Likewise.
15614 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15617 2006-01-18 Ben Elliston <bje@au.ibm.com>
15619 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15620 decimal float modes for all floating point registers.
15622 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15623 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15625 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15628 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15629 even when the pointer is not NULL.
15631 2006-01-16 Ian Lance Taylor <ian@airs.com>
15633 * common.opt (ftoplevel-reorder): New option.
15634 * cgraph.c (cgraph_asm_nodes): New global variable.
15635 (cgraph_asm_last_node): New static variable.
15636 (cgraph_order): New global variable.
15637 (cgraph_create_node): Set new order field.
15638 (cgraph_varpool_node): Likewise.
15639 (decide_is_variable_needed): Return true if not
15640 flag_toplevel_reorder.
15641 (cgraph_add_asm_node): New function.
15642 * cgraph.h (struct cgraph_node): Add order field.
15643 (struct cgraph_varpool_node): Add order field.
15644 (struct cgraph_asm_node): Define.
15645 (cgraph_asm_nodes, cgraph_order): Declare.
15646 (cgraph_add_asm_node): Declare.
15647 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15649 (cgraph_varpool_assemble_pending_decls): Call it.
15650 (cgraph_output_pending_asms): New static function.
15651 (cgraph_finalize_compilation_unit): Call it.
15652 (struct cgraph_order_sort): Define.
15653 (cgraph_output_in_order): New static function.
15654 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15655 !flag_toplevel_reorder case.
15656 * c-parser.c: Include "cgraph.h".
15657 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15659 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15660 than -fno-unit-at-a-time.
15661 * doc/invoke.texi (Option Summary): Mention
15662 -fno-toplevel-reorder.
15663 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15664 -funit-at-a-time documentation.
15666 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15667 Kazu Hirata <kazu@codesourcery.com>
15669 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15671 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15673 * Makefile.in (FUNCTION_H): New. Use it instead of
15674 function.h throughout the file.
15675 * function.h: Include tree.h.
15677 2006-01-17 Ben Elliston <bje@au.ibm.com>
15679 * recog.c: Separate some functions with whitespace.
15681 2006-01-16 Richard Henderson <rth@redhat.com>
15683 Merge from gomp branch:
15684 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15685 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15686 and rename from struct inline_data. Rename callee* to dst*;
15687 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15688 transform_new_cfg, transform_return_to_modify, and
15689 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15691 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15692 (copy_decl_for_dup): Remove.
15693 * tree-inline.c (struct inline_data): Move to header.
15694 (insert_decl_map): Export.
15695 (remap_decl): Update for member name changes. Use copy_decl hook.
15696 Allow for replacement to be a non-decl. Remove dead code.
15697 (remap_type_1): Check for existing mapping.
15698 (remap_type): Export.
15699 (remap_decls): Update for member name changes.
15700 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15701 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15702 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15703 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15704 (tree_function_versioning, build_duplicate_type): Likewise.
15705 (copy_body_r): Likewise. Export.
15706 (copy_decl_for_dup): Split into ...
15707 (copy_decl_for_dup_finish, copy_decl_to_var,
15708 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15709 (replace_ref_tree, inlining_p): Remove.
15711 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15713 * ifcvt.c (if_convert): Make it static.
15714 * rtl.h: Remove the prototype for if_convert.
15716 * local-alloc.c (local_alloc): Make it static.
15717 * rtl.h: Remove the prototype for local_alloc.
15719 * loop.c (loop_optimize): Make it static.
15720 * cfgloop.h: Remove the prototype for loop_optimize.
15723 2006-01-16 DJ Delorie <dj@redhat.com>
15725 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15728 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15730 * pa.md: Disparage copies between general and floating-point registers
15731 in 32-bit move patterns.
15733 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15736 * Makefile.in (check-%): Depend on site.exp instead of
15737 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15740 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15742 * global.c (global_alloc): Make it static.
15743 * rtl.h: Remove the prototype for global_alloc.
15745 2006-01-16 Richard Guenther <rguenther@suse.de>
15747 * tree-ssa-alias.c (struct used_part): Add write_only field.
15748 (get_or_create_used_part_for): Initialize it to true.
15749 (create_overlap_variables_for): Don't create structure variables
15750 for structures that only are written to.
15751 (find_used_portions): Handle MODIFY_EXPR to track whether a
15752 structure is only written to.
15754 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15756 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15758 * basic-block.h: Remove the prototype for
15759 partition_hot_cold_basic_blocks.
15761 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15763 * cppspec.c (lang_specific_spec_functions): Remove.
15764 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15765 * gcc.h (lang_specific_spec_functions): Remove.
15766 * gccspec.c (lang_specific_spec_functions): Remove.
15768 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15770 * combine.c (record_value_for_reg): Invalidate registers
15772 (record_dead_and_set_regs_1): Likewise, by passing them to
15773 record_value_for_reg.
15774 (record_dead_and_set_regs): Invalidate stores made by a
15775 call. We do not combine across a call, but we still
15776 relied on equivalences.
15778 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15780 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15781 vrp_int_const_binop returning non-constant nodes.
15783 2006-01-16 Paul Brook <paul@codesourcery.com>
15785 * config/m68k/m68k.c (output_move_const_into_data_reg):
15786 Output correct mnemonic for mvz and mvs.
15788 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15790 * rtl-factoring.c: Add sequence abstraction algorithm.
15791 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15792 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15794 (block_has_preserve_label): New function.
15795 * common.opt: Register new pass.
15796 * Makefile.in: Ditto.
15798 * timevar.def: Ditto.
15799 * tree-pass.h: Ditto.
15800 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15801 * rtl.h (make_jump_insn_raw): Add forward decl.
15802 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15804 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15805 Roger Sayle <roger@eyesopen.com>
15807 * fold-const.c (fold_minmax): New static function.
15808 (fold_binary) <MIN_EXPR>: Call it.
15809 <MAX_EXPR>: Likewise.
15810 * stor-layout.c (place_field): Use DECL_SIZE consistently
15811 in the computation of the new record size.
15813 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15815 * cse.c (cse_condition_code_reg): Make it static.
15816 * rtl.h: Remove the prototype for cse_condition_code_reg.
15818 * combine.c (combine_instructions): Make it static.
15819 * rtl.h: Remove the prototype for combine_instructions.
15821 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15824 * tree.c (get_file_function_name_long): Concatenate the first global
15825 object name with a string derived from the input filename of the object
15828 2006-01-16 Ben Elliston <bje@au.ibm.com>
15830 * config/i386/winnt-stubs.c: Update FSF address.
15831 * config/xtensa/ieee754-df.S: Ditto.
15832 * config/xtensa/ieee754-sf.S: Ditto.
15834 2006-01-14 Ian Lance Taylor <ian@airs.com>
15836 * ifcvt.c (noce_init_if_info): New static function, broken out of
15837 noce_process_if_block.
15838 (noce_process_if_block): Call noce_init_if_info.
15839 (check_cond_move_block): New static function.
15840 (cond_move_process_if_block): New static function.
15841 (process_if_block): Call cond_move_process_if_block.
15843 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15845 * cselib.c (hash_table): Rename to cselib_hash_table.
15846 (cselib_clear_table, discard_useless_values,
15847 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15848 cselib_init, cselib_finish): Adjust uses of hash_table.
15850 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15852 PR tree-optimization/25485
15853 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15854 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15855 is known to be false and true, respectively.
15857 2006-01-14 Richard Guenther <rguenther@suse.de>
15859 PR tree-optimization/22548
15860 PR tree-optimization/22555
15861 PR tree-optimization/22501
15862 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15863 * params.def (salias-max-array-elements): New parameter.
15864 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15865 * doc/invoke.texi (salias-max-array-elements): Document.
15866 * tree-flow-inline.h (var_can_have_subvars): We also handle
15868 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15870 * tree-ssa-structalias.c (params.h): Include.
15871 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15872 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15873 (get_constraint_for): For ADDR_EXPR operating on something
15874 containing an ARRAY_REF, add all subvars to the solution.
15875 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15876 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15877 for creating MUST_DEFs.
15878 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15880 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15882 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15884 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15885 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15886 number_of_iterations_le): New functions.
15887 (number_of_iterations_special): Removed.
15888 (number_of_iterations_exit): Do not use number_of_iterations_special.
15889 * tree.c (unsigned_type_for): Always return integer type.
15891 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15892 Richard Guenther <rguenther@suse.de>
15894 PR rtl-optimization/24257
15895 * gcse.c (find_moveable_store): Only consider a store movable
15896 when the SET_SRC of the insn can be assigned to a register.
15898 2006-01-14 Ian Lance Taylor <ian@airs.com>
15900 * tree.c (tree_not_class_check_failed): New function.
15901 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15902 (tree_not_class_check_failed): Declare.
15904 2006-01-13 Ian Lance Taylor <ian@airs.com>
15906 * reload1.c (do_output_reload): Add assertion rejecting a
15909 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15911 * combine.c (struct reg_stat): Add new fields truncation_label and
15913 (record_value_for_reg): Reset truncated_to_mode.
15914 (record_truncated_value): New function.
15915 (check_promoted_subreg): Call it. Rename to check_conversions.
15916 (combine_instructions): Rename check_promoted_subreg to
15918 (reg_truncated_to_mode): New function.
15919 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15920 (gen_lowpart_or_truncate): New function.
15921 (force_to_mode): Use it instead of gen_lowpart.
15923 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15925 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15926 VAR is a tag, not its type tag.
15928 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15930 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15931 alternatives to match style of other entries.
15932 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15934 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15936 PR tree-optimization/25771
15937 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15940 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15943 * tree-inline.c (declare_return_variable): If the return variable
15944 was marked as a non gimple complex, set the return slot variable
15945 to be a non gimple comple variable.
15947 2006-01-13 Richard Guenther <rguenther@suse.de>
15949 * builtins.c (expand_builtin_sincos): New function.
15950 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15952 (expand_builtin): Expand sincos using expand_builtin_sincos.
15954 2006-01-12 DJ Delorie <dj@redhat.com>
15956 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15957 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15958 so that constant shifts can be split.
15959 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15960 (m32c_valid_pointer_mode): Make static.
15961 (shift_gen_func_for): New.
15962 (m32c_prepare_shift): Use it. Split large const shifts into
15964 * config/m32c/predicates.md (shiftcount_operand): Allow more
15966 (longshiftcount_operand): New.
15967 * doc/md.texi (Machine Constraints): Document In6.
15969 2006-01-13 Ben Elliston <bje@au.ibm.com>
15971 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15972 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15975 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15977 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15978 to try to avoid clobbering pieces of structures when we know
15979 something about the whole structure.
15980 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15982 2006-01-13 Ben Elliston <bje@au.ibm.com>
15984 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15985 return in memory, as this is no limitation is no longer present.
15987 2006-01-12 DJ Delorie <dj@redhat.com>
15989 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15990 mova with fb, and for fb+0 -> An.
15992 * config/m32c/mov.md (peephole2): Fix enabling logic.
15994 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15995 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15996 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15997 FINI_ARRAY_SECTION_ASM_OP): Define.
15999 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16001 (m32c_legitimize_reload_address): New logic to reload FB to An.
16002 (m32c_output_reg_push): Add newline.
16003 (m32c_output_reg_pop): Likewise.
16005 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16007 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16009 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16011 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16013 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16015 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16018 2006-01-11 Ben Elliston <bje@au.ibm.com>
16020 * rtlanal.c (find_reg_note): Assert insn is not null.
16022 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16024 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16027 2006-01-11 Jeff Law <law@redhat.com>
16029 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16031 (mark_threaded_blocks, register_jump_thread): New functions.
16032 (thread_through_all_blocks): Remove unwanted argument. No
16033 longer rely on e->aux to communicate thread target info.
16034 Call mark_threaded_blocks. Release the threaded_blocks
16035 bitmap and threaded_edges vector when complete.
16036 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16037 (threaded_blocks): Remove.
16038 (tree_ssa_dominator_optimize): Remove initialization and
16039 finalization of threaded_blocks. Simplify call to
16040 thread_through_all_blocks.
16041 (thread_across_edge): Call register_jump_thread rather than
16042 storing thread information into e->aux.
16043 (free_all_edge_infos): Simplify now that e->aux is no longer
16044 used to communicate with thread_through_all_blocks.
16045 * tree-flow.h (thread_through_all_blocks): Update prototype.
16046 (register_jump_thread): Prototype.
16048 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16050 * df-core.c (df_compact_blocks, df_bb_replace): Use
16051 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16053 2006-01-11 Richard Guenther <rguenther@suse.de>
16055 PR tree-optimization/25734
16056 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16057 stop propagation after successful propagation to the LHS.
16059 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16061 * basic-block.h (control_flow_graph): Change the type of
16062 x_basic_block_info to VEC(basic_block,gc) *.
16063 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16065 (SET_BASIC_BLOCK): New.
16066 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16067 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16068 * cfgbuild.c (find_basic_blocks): Likewise.
16069 * cfglayout.c (fixup_reorder_chain): Likewise.
16070 * cfgrtl.c (create_basic_block_structure,
16071 rtl_create_basic_block): Likewise.
16072 * ifcvt.c (find_if_case_1): Likewise.
16073 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16076 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16078 * Makefile.in: Removed rotted odf.c entry.
16080 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16083 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16084 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16085 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16086 output pattern modifier, not %e.
16087 * config/cris/cris.c (cris_op_str): Update comment about pattern
16089 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16090 before falling through into...
16091 <case 'E'>: Redefined from old 'e' case.
16093 2006-01-11 Jan Hubicka <jh@suse.cz>
16096 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16098 2006-01-11 Jan Hubicka <jh@suse.cz>
16100 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16101 * i386.c (x86_decompose_lea): Kill.
16102 (ix86_rtx_costs): Kill.
16104 2006-01-11 Jan Hubicka <jh@suse.cz>
16106 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16107 * cgraph.h (cgraph_node): Add inline_decl.
16108 (cgraph_insert_node_to_hashtable): Declare.
16109 (save_inline_function_body): Declare.
16110 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16112 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16113 (cgraph_function_versioning): Update call of tree_function_versioning.
16114 (save_inline_function_body): New function.
16115 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16116 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16117 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16118 (cgraph_default_inline_p): Likewise.
16119 (cgraph_decide_inlining_incrementally): Likewise.
16120 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16121 (copy_bb): Kill saving; do updating of clones.
16122 (copy_cfg_body): Kill saving.
16123 (initialize_inlined-parameters): Likewise.
16124 (expand_call_inline): Likewise.
16126 (tree_function_versioning): New parameter "update_clones".
16127 (inlining_p): Kill saving.
16128 * tree-inline.h (tree_function_versioning): Update prototype.
16129 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16132 2006-01-11 Ian Lance Taylor <ian@airs.com>
16134 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16135 Allow undoing set of machine mode.
16136 (do_SUBST): Use enums instead of is_int.
16137 (do_SUBST_MODE): New function.
16138 (SUBST_MODE): New macro.
16139 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16140 reg and trying to replace reg_regno_rtx with a new register.
16141 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16142 (simplify_set): Use SUBST_MODE.
16143 (distribute_notes): Remove code that tried to update reg notes
16144 for regno_reg_rtx changes.
16146 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16148 PR tree-optimization/23109
16149 PR tree-optimization/23948
16150 PR tree-optimization/24123
16152 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16153 * tree-cfg.c (single_noncomplex_succ): New.
16154 * tree-flow.h (single_noncomplex_succ): Declare it.
16155 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16156 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16157 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16158 insert_bb, register_division_in, insert_reciprocals,
16159 replace_reciprocal, free_bb): New.
16160 (execute_cse_reciprocals_1): Rewritten.
16161 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16162 Do not commit any edge insertion. Always compute dominators and
16163 create the allocation pool.
16164 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16165 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16166 * targhooks.c (default_min_divistions_for_recip_mul): New.
16167 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16168 * passes.c (init_optimization_passes): Run recip after tree loop
16170 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16172 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16173 Kenneth Zadeck <zadeck@naturalbridge.com>
16175 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16176 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16177 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16178 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16179 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16180 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16181 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16182 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16183 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16184 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16185 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16186 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16187 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16188 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16189 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16190 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16191 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16192 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16193 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16194 DF_SCAN_POST_ALLOC): New macros.
16195 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16196 df_free_bb_function, df_local_compute_function, df_init_function,
16197 df_dataflow_function, df_confluence_function_0,
16198 df_confluence_function_n, df_transfer_function,
16199 df_finalizer_function, df_free_function, df_dump_problem_function,
16200 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16201 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16202 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16203 df_urec_bb_info, ) New types.
16204 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16206 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16207 df_analyze_simple_change_some_blocks,
16208 df_analyze_simple_change_one_block, df_compact_blocks,
16209 df_bb_replace, df_bb_regno_last_use_find,
16210 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16211 df_insn_regno_def_p, df_find_def, df_find_use,
16212 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16213 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16214 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16215 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16216 debug_df_chain, df_get_dependent_problem, df_chain_create,
16217 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16218 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16219 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16220 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16221 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16222 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16223 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16224 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16225 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16226 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16227 df_reorganize_refs, df_set_state, df_hard_reg_init,
16228 df_read_modify_subreg_p) New public functions.
16229 * df-core.c: The core dataflow solver and glue routines for rtl
16231 (df_init, df_add_problem, df_set_blocks, df_finish,
16232 df_hybrid_search_forward, df_hybrid_search_backward,
16233 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16234 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16235 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16236 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16237 df_reg_defined, df_find_use, df_reg_used, df_dump,
16238 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16239 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16240 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16241 debug_df_useno, reset_df_after_reload): New functions.
16242 * df-scan.c: The scanning fuctions, once in df.c, completely
16243 rewritten so that they now fully model the functionality of
16244 register usage at the backend.
16245 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16246 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16247 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16248 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16249 df_get_artificial_defs, df_get_artificial_uses,
16250 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16251 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16252 df_refs_delete, df_reorganize_refs, df_set_state,
16253 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16254 df_def_record_1, df_defs_record, df_uses_record,
16255 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16256 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16257 df_record_exit_block_uses, df_hard_reg_init): New functions.
16259 * df-problems.c: Seven concrete dataflow problems that use the
16260 scanning in df-scan.c and are solved by the engine in df-core.c.
16261 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16262 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16263 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16264 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16265 df_ru_free_bb_info, df_ru_alloc,
16266 df_ru_bb_local_compute_process_def,
16267 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16268 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16269 df_ru_transfer_function, df_ru_free, df_ru_dump,
16270 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16271 df_rd_free_bb_info, df_rd_alloc,
16272 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16273 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16274 df_rd_transfer_function, df_rd_free, df_rd_dump,
16275 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16276 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16277 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16278 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16279 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16280 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16281 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16282 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16283 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16284 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16285 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16286 df_urec_mark_reg_use_for_earlyclobber,
16287 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16288 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16289 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16290 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16291 df_chain_create_bb_process_use, df_chain_create_bb,
16292 df_chain_finalize, df_chain_free, df_chains_dump,
16293 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16294 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16295 df_reg_lifetime): New functions.
16296 * df.c: Deleted file.
16297 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16298 consistent with new df api.
16299 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16300 rest_of_handle_sms): Ditto.
16301 * web.c (unionfind_union, union_defs, entry_register, web_main):
16303 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16304 invariant_expr_equal_p, find_defs, check_dependencies,
16305 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16306 free_inv_motion_data, move_loop_invariants): Ditto.
16307 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16308 Update dependencies.
16309 (odf.c): Added defective entry that was deleted later in day.
16310 * sched-deps.c (sched_analyze_1): Ditto.
16312 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16314 * tree-ssa-operands.c (get_expr_operands): Record addressable
16315 variables directly. Do not call add_stmt_operands for CONST_DECLs
16317 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16318 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16320 2006-01-11 Ben Elliston <bje@au.ibm.com>
16322 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16323 function returns true in the positive case.
16325 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16328 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16329 for SI, DI, SF and DF modes. Add alternatives to copy between
16330 general and floating point registers to the 32-bit patterns.
16331 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16332 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16333 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16334 generating 64-bit code.
16335 * config/pa/pa.c (output_move_double): Handle copies between general
16336 and floating registers.
16338 2006-01-10 Stuart Hastings <stuart@apple.com>
16340 * config/i386/i386.md (set_got): Update.
16341 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16342 (builtin_setjmp_receiver): Mach-O support.
16343 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16344 (GOT_SYMBOL_NAME): Define.
16345 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16346 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16347 * config/i386/i386.c (override_options): Revise for Darwin.
16348 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16349 support. (darwin_x86_file_end): New. (output_set_got): Add label
16350 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16351 * config/i386/i386-protos.h (output_set_got): Likewise.
16352 * config/darwin.c (machopic_legitimize_pic_address): Update
16355 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16357 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16358 when MODE isn't BLKmode.
16360 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16362 PR rtl-optimization/25367
16363 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16365 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16368 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16369 for a negative bound.
16371 2006-01-10 Richard Guenther <rguenther@suse.de>
16373 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16374 Never override with anything constraint.
16376 2006-01-10 Jan Beulich <jbeulich@novell.com>
16378 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16379 256 bits when optimize_size.
16381 2006-01-10 Jan Beulich <jbeulich@novell.com>
16383 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16385 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16386 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16389 2006-01-10 Ben Elliston <bje@au.ibm.com>
16391 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16393 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16394 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16395 (USE_FP_FOR_ARG): Reject decimal float modes.
16396 (function_arg_advance): Likewise.
16397 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16398 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16399 point types in AltiVec vectors.
16400 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16401 (rs6000_libcall_value): Likewise.
16403 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16405 * config/xtensa/ieee754-df.S: New file.
16406 * config/xtensa/ieee754-sf.S: New file.
16407 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16408 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16409 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16411 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16413 * config/sh/predicates.md (binary_float_operator,
16414 binary_logical_operator, commutative_float_operator,
16415 equality_comparison_operator, greater_comparison_operator,
16416 less_comparison_operator, logical_operator,
16417 noncommutative_float_operator, shift_operator,
16418 symbol_ref_operand, unary_float_operator): Remove redundant
16421 2006-01-09 Jeff Law <law@redhat.com>
16423 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16424 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16425 now unused arguments. Callers updated.
16426 (eliminate_redundant_computations): Remove now unused arguments,
16428 (local_fold): Remove, no longer used.
16429 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16431 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16432 (simplify_cond): New function.
16433 (forward_propagate_into_cond): Call simplify_cond.
16435 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16437 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16438 (*vec_extractv2di_1_sse): New.
16440 2006-01-09 Ben Elliston <bje@au.ibm.com>
16442 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16444 2006-01-08 Richard Guenther <rguenther@suse.de>
16446 * tree-ssa-structalias.c (get_constraint_for): Remove
16447 anyoffset argument.
16448 (get_constraint_for_component_ref): Likewise.
16449 (do_deref): Likewise.
16450 (get_constraint_for): Likewise.
16451 (do_structure_copy): Likewise.
16452 (handle_ptr_arith): Likewise.
16453 (find_func_aliases): Likewise. Remove unused need_anyoffset
16456 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16457 Kaz Kojima <kkojima@gcc.gnu.org>
16459 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16460 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16461 (EXTRA_CONSTRAINT_C16): Remove.
16462 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16463 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16464 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16465 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16466 constants of SHmedia. Handle nested constant expressions of
16468 (andcosts): Fix the costs for SHmedia constants.
16469 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16470 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16471 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16472 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16473 (movv4hi_i, movv2si_i): Likewise.
16474 (movsi_const): Adjust the second operand of ior so to match with
16475 the Csu constraint.
16476 (movdi_const, movdi_const_32bit): Likewise.
16477 (movdi_const_16bit+1): Don't sign-extend LOW.
16478 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16480 (*double_shori): Fix the split condition. Use GEN_INT instead
16481 of get_int_mode calls. Mask lower 16-bit of the argument of
16483 (sym2GOTPLT): Remove.
16484 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16486 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16487 instead of EXTRA_CONSTRAINT_C16.
16489 2006-01-07 Ian Lance Taylor <ian@airs.com>
16490 David Edelsohn <edelsohn@gnu.org>
16492 PR rtl-optimization/25662
16493 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16494 for constant operands instead of simplify_gen_binary.
16495 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16496 after trying simplify_binary_operation
16498 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16500 * tree.c (iterative_hash_expr): Hash decls based on UID.
16502 2006-01-06 Eric Christopher <echristo@apple.com>
16504 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16505 (TARGET_UNWIND_EMIT): Fix spelling.
16506 * target.h (gcc_target): Add except_table_label.
16507 * except.c (output_function_exception_table): Use.
16508 * varasm.c (default_emit_except_table_label): New.
16509 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16511 (asm_out): Add here.
16512 * output.h (default_emit_except_table_label): Prototype.
16513 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16514 * config/darwin.c (darwin_emit_except_table_label): Define.
16515 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16517 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16519 PR tree-optimization/18527
16520 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16521 number_of_iterations_special, number_of_iterations_exit):
16522 Move base and step of an iv to a single structure. Add
16523 no_overflow flag, and use it in # of iterations analysis.
16524 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16525 folded_casts argument.
16526 (simple_iv): Pass base and step in a structure. Set no_overflow
16528 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16529 Evaluate expensiveness of computing # of iterations instead of
16530 the final expression.
16531 * tree-scalar-evolution.h (affine_iv): New structure.
16532 (simple_iv): Declaration changed.
16533 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16534 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16535 find_givs_in_stmt): Changed due to simple_iv change.
16537 2006-01-06 Jeff Law <law@redhat.com>
16540 * tree-cfg.c (bsi_replace): Rename final argument from
16541 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16542 change (stmt -> orig_stmt).
16543 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16544 (bsi_remove): Add new argument. Remove EH information
16546 (verify_eh_throw_table_statements): New function.
16547 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16549 * tree-optimize.c (execute_free_cfg_annotations): Verify
16550 the EH throw statement table after removing annotations.
16551 * except.h (verify_eh_throw_table_statements): Prototype.
16552 * tree-flow.h (bsi_remove): Update prototype.
16553 * tree-vrp.c (remove_range_assertions): Add new argument to
16555 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16556 * tree-complex.c (expand_complex_div_wide): Likewise.
16557 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16558 * tree-tailcall.c (eliminate_tailcall): Likewise.
16559 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16560 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16561 * tree-nrv.c (tree_nrv): Likewise.
16562 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16563 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16564 (combine_blocks): Likewise.
16565 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16566 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16567 (cleanup_control_flow): Likewise.
16568 (remove_forwarder_block): Likewise.
16569 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16570 * tree-sra.c (sra_replace): Likewise.
16571 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16572 (forward_propagate_single_use_vars): Likewise.
16573 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16574 * tree-inline.c (expand_call_inline): Likewise.
16575 * tree-vect-transform.c (vect_transform_loop): Likewise.
16576 * tree-outof-ssa.c (rewrite_trees): Likewise.
16577 * tree-cfg.c (make_goto_expr_edges): Likewise.
16578 (cleanup_dead_labels): Likewise.
16579 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16580 (bsi_move_before, bsi_move_after): Likewise.
16581 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16582 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16584 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16587 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16589 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16590 on non gimple variables. Also add checks at the top for decls and
16592 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16594 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16595 and IMAGPART_EXPR for creating MUST_DEFs.
16596 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16597 and NAME_MEMORY_TAG separately from the DECLs.
16599 2006-01-06 Richard Guenther <rguenther@suse.de>
16601 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16602 annotation, if necessary.
16603 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16604 redundant calls to update_stmt.
16605 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16608 2006-01-05 Richard Henderson <rth@redhat.com>
16610 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16612 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16614 * c-typeck.c: Update copyright date.
16616 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16618 * c-typeck.c (build_c_cast): Always warn when casting
16619 from a pointer to an integer of different size, even if
16620 the node was constant.
16622 2006-01-05 Richard Guenther <rguenther@suse.de>
16624 PR tree-optimization/22555
16625 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16626 if one structure field is an array.
16627 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16628 operands even if we found a subvar, but ignore VOPs in this
16630 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16632 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16634 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16636 PR middle-end/24998
16637 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16639 2006-01-05 Richard Guenther <rguenther@suse.de>
16640 Diego Novillo <dnovillo@redhat.com>
16642 * tree-pass.h (TODO_remove_unused_locals): Define.
16643 * gimple-low.c (expand_var_p, remove_useless_vars,
16644 pass_remove_useless_vars): Remove. Update all users.
16645 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16646 (remove_unused_locals): New function.
16647 * tree-flow.h (remove_unused_locals): Declare.
16648 * passes.c (execute_todo): Call remove_unused_locals if
16649 TODO_remove_unused_locals is set.
16650 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16651 * tree-ssa-dce.c (pass_dce): Likewise.
16652 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16654 2006-01-05 Richard Guenther <rguenther@suse.de>
16656 * tree-flow.h (struct fieldoff): Decompose field to
16657 type, size and decl.
16658 * tree-ssa-alias.c (create_sft): Take type as parameter.
16659 (create_overlap_variables_for): Store type, size and decl
16660 in the fieldoff structure.
16661 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16662 of struct fieldoff.
16663 (push_fields_onto_fieldstack): Likewise.
16664 (create_variable_info_for): Likewise. Use offset for the
16665 SFT name if the decl is not available.
16667 2006-01-04 Paul Brook <paul@codesourcery.com>
16669 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16671 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16673 * lambda-code.c (can_put_in_inner_loop): Relax
16675 (can_put_after_inner_loop): New function.
16676 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16677 (perfect_nestify): Change to make copies and modify uses.
16679 2006-01-04 Richard Henderson <rth@redhat.com>
16681 Merge from gomp branch:
16682 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16683 via integer constant.
16684 (pragma_lex): Remove.
16685 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16686 rather than parsing it.
16687 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16688 handle_pragma_extern_prefix): Add %< %> quotes.
16689 (registered_pragmas): New.
16690 (c_register_pragma_1): New.
16691 (c_register_pragma): Use it.
16692 (c_register_pragma_with_expansion): Likewise.
16693 (c_invoke_pragma_handler): New.
16694 (init_pragma): Use cpp_register_deferred_pragma directly for
16696 * c-pragma.h (enum pragma_kind): New.
16697 (pragma_handler): New.
16698 (c_invoke_pragma_handler): Declare.
16699 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16701 * c-common.h (c_common_pch_pragma): Update decl.
16702 * Makefile.in (c-parser.o): Update dependencies.
16703 (GTFILES): Add c-pragma.h.
16704 * c-parser.c (struct c_token): Add pragma_kind.
16705 (struct c_parser): Add in_pragma.
16706 (c_lex_one_token): Always initialize keyword and pragma_kind.
16707 Extract data for CPP_PRAGMA.
16708 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16709 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16710 Don't allow CPP_PRAGMA_EOL if in_pragma.
16711 (c_parser_consume_pragma): New.
16712 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16713 (c_parser_skip_to_end_of_parameter): Likewise.
16714 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16715 (c_parser_skip_to_pragma_eol): New.
16716 (c_parser_external_declaration): Handle CPP_PRAGMA.
16717 (c_parser_compound_statement_nostart): Likewise.
16718 (c_parser_statement_after_labels): Likewise.
16719 (c_parser_pragma): New.
16720 (pragma_lex): Likewise.
16721 (c_parser_pragma_pch_preprocess): New.
16722 (c_parser_new): Merge into ...
16723 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16725 2006-01-04 Jeff Law <law@redhat.com>
16728 * tree-cfg.c (bsi_replace): Remove the original statement
16729 from the EH throw statement table.
16731 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16733 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16734 make the prototype extern "C" and add throw ().
16737 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16738 and pos non-negative and pos + len <= 32.
16739 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16740 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16741 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16744 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16745 as well as sizes not multiple of component size.
16748 * function.c (instantiate_expr): New function.
16749 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16750 walk its DECL_VALUE_EXPR with instantiate_expr.
16752 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16753 DW_OP_deref{,_size} if address isn't going to be added.
16755 2006-01-04 Ben Elliston <bje@au.ibm.com>
16757 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16758 * config/fp-bit.c: Likewise.
16760 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16762 * dominance.c: Add comment about why we use DFS numbering
16765 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16766 Richard Henderson <rth@redhat.com>
16768 Merge from gomp-branch:
16769 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16770 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16772 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16774 PR rtl-optimization/25578
16775 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16776 pass a parameter to simplify_shift_const if changing ASHIFTRT
16779 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16781 * builtins.c (get_builtin_sync_mem): New function.
16782 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16783 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16784 Call get_builtin_sync_mem to generate mem rtx.
16786 2006-01-03 Richard Guenther <rguenther@suse.de>
16789 * stmt.c (add_case_node): Make sure to clear overflow flags
16792 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16794 Merge from gomp-branch.
16795 * config/sparc/sync.md: New file.
16796 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16797 UNSPECV_LDSTUB): New constants.
16798 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16799 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16800 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16803 2006-01-03 Roger Sayle <roger@eyesopen.com>
16805 * combine.c (reg_subword_p): New predicate to test whether the
16806 destination of a set refers to a subword/piece of a register.
16807 (try_combine): Generalize the code to merge the setting of a
16808 pseudo to a constant followed by a set of a subword of that
16809 register to a constant.
16811 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16813 * basic-block.h (control_flow_graph): Change the type of
16814 x_label_to_block_map to VEC(basic_block,gc) *.
16815 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16816 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16818 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16819 VEC(basic_block,heap) *.
16820 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16821 ssa_prop_fini): Adjust the uses of cfg_blocks.
16823 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16825 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16827 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16828 hashing trees instead of a pointer hash.
16829 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16830 compare for MEM_EXPR.
16832 PR rtl-optimization/25130
16833 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16834 when comparing MEMs for GCSE
16836 2006-01-03 Ben Elliston <bje@au.ibm.com>
16838 * targhooks.h (default_decimal_float_supported_p): Declare.
16839 * targhooks.c (default_decimal_float_supported_p): Define.
16840 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16841 `default_decimal_float_supported_p'.
16842 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16844 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16846 * combine.c (apply_distributive_law <SUBREG>): Check
16847 TRULY_NOOP_TRUNCATION.
16849 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16851 * dwarf2out.c (have_switched_text_section): Delete.
16852 (have_multiple_function_sections): New.
16853 (have_location_lists): Make 'bool'.
16854 (add_AT_loc_list): Use 'true' not '1'.
16855 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16856 (output_loc_list): Use have_multiple_function_sections.
16857 (output_ranges): Likewise.
16858 (dwarf2out_begin_function): Set have_multiple_function_sections if
16860 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16861 Check function_section rather than DECL_SECTION_NAME.
16862 (dwarf2out_finish): Use have_multiple_function_sections.
16863 Don't clear have_location_lists.
16865 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16866 Jan Hubicka <jh@suse.cz>
16868 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16869 case of conditional jump jumping to the next instruction.
16870 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16871 cases of conditional jump jumping to the next instruction.
16873 2006-01-02 Jan Hubicka <jh@suse.cz>
16875 * i386.c (*_cost): Add COSTS_N_INSNS.
16876 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16878 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16881 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16883 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16885 * config/arm/arm.c (all_fpus): Fix comment typo.
16886 * config/darwin.c: Likewise.
16887 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16888 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16889 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16891 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16893 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16894 (rs6000_split_compare_and_swapqhi): New.
16895 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16896 (sync_compare_and_swapqhi_internal): New.
16897 * config/rs6000/rs6000-protos.h: Declare.