1 2006-10-29 Roger Sayle <roger@eyesopen.com>
3 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
4 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
5 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6 Fold -X eq/ne -Y as X eq/ne Y.
8 2006-10-29 Richard Sandiford <richard@codesourcery.com>
10 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
11 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
12 rather than GENERATE_MULT3_SI in the various define_peephole2s.
13 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
14 Use an inclusive test for "mult" rather than "mul".
15 (rotr<mode>3): Depend on ISA_HAS_ROR.
16 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
18 (GENERATE_MULT3_DI): Delete.
19 (ISA_HAS_64BIT_REGS): Use consistent formatting.
20 (ISA_HAS_MUL3): New macro.
21 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
22 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
23 (ISA_HAS_CLZ_CLO): Likewise.
24 (ISA_HAS_DCLZ_DCLO): Delete.
25 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
26 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
27 the VR4120 and VR4130.
28 (ISA_HAS_MACCHI): Use consistent formatting.
29 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
30 (ISA_HAS_ROR): ...this new macro.
31 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
32 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
33 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
35 2006-10-29 Roger Sayle <roger@eyesopen.com>
37 PR tree-optimization/15458
38 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
41 2006-10-29 Richard Guenther <rguenther@suse.de>
43 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
44 (ix86_expand_truncdf_32): Likewise.
45 * config/i386/i386.c (ix86_expand_trunc): New function expanding
46 trunc inline for SSE math and -fno-trapping-math and if not
48 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
49 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
50 for expanding btrunc inline for SSE math.
52 2006-10-29 Joseph Myers <joseph@codesourcery.com>
54 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
55 Handle tuning for bi-arch i[34567]86-*-linux* like that for
56 i[34567]86-*-solaris2.1[0-9]*.
57 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
58 Define conditionally depending on TARGET_64BIT_DEFAULT.
59 (SPEC_32, SPEC_64): Define.
60 (LINK_SPEC): Use them.
61 * doc/install.texi (--enable-targets=all): Document for x86-linux.
63 2006-10-29 Richard Guenther <rguenther@suse.de>
65 * config/i386/i386-protos.h (ix86_expand_round): Declare.
66 (ix86_expand_rounddf_32): Likewise.
67 * config/i386/i386.c (ix86_expand_round): New function expanding
68 round inline for SSE math and -fno-trapping-math and if not
70 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
71 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
72 round via ix86_expand_round.
74 2006-10-29 Richard Guenther <rguenther@suse.de>
76 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
77 (ix86_expand_floorceildf_32): Likewise.
78 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
79 static helper function.
80 (ix86_expand_floorceil): Expander for floor and ceil to SSE
82 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
83 * config/i386/i386.md (floordf2): Adjust to enable floor
84 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
85 -fno-trapping-math is enabled and if not optimizing for size.
86 (floorsf2, ceildf2, ceilsf2): Likewise.
87 * config/i386/sse.md (sse_maskcmpsf3): New insn.
88 (sse2_maskcmpdf3): Likewise.
90 2006-10-29 Richard Guenther <rguenther@suse.de>
92 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
93 rint in case -fno-trapping-math is enabled.
94 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
95 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
96 (ix86_expand_sse_fabs): Likewise.
97 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
98 * config/i386/i386.md (rintdf2): Enable for SSE math if
99 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
102 2006-10-29 Richard Guenther <rguenther@suse.de>
104 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
105 to conversion optabs.
106 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
108 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
109 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
110 (lfloor_optab, lceil_optab): Adjust defines.
111 * builtins.c (expand_builtin_int_roundingfn): Adjust for
112 lfloor and lceil optabs now being conversion optabs.
113 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
114 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
115 New static helper function.
116 (ix86_expand_lfloorceil): New function to expand lfloor and
118 * config/i386/i386.md (lfloor<mode>2): Split into ...
119 (lfloorxf<mode>2): ... x87 variant
120 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
121 using ix86_expand_lfloorceil.
122 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
124 * doc/md.texi (lfloorMN, lceilMN): Document.
126 2006-10-29 Richard Sandiford <richard@codesourcery.com>
128 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
129 -mno-shared assembler option on mips targets.
130 * configure, config.in: Regenerate.
131 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
132 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
133 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
135 2006-10-29 Richard Sandiford <richard@codesourcery.com>
137 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
138 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
140 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
142 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
143 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
146 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
149 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
150 (fold_builtin_pow): Evaluate constant arguments at compile-time
152 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
153 (do_mpfr_ckconv): New helper function.
154 (do_mpfr_arg1): Use do_mpfr_ckconv.
157 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
160 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
161 (-fdump-rtl-sched): Rename to ..
162 (-fdump-rtl-sched1): here. Also fix file extension number.
164 2006-10-28 Richard Guenther <rguenther@suse.de>
166 * fold-const.c (maybe_canonicalize_comparison): Fix code
169 2006-10-28 Uros Bizjak <uros@kss-loka.si>
171 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
172 (NON_QI_REG_P): Use IN_RANGE.
173 (REX_INT_REGNO_P): Use IN_RANGE.
174 (FP_REGNO_P): Use IN_RANGE.
175 (SSE_REGNO_P): Use IN_RANGE.
176 (REX_SSE_REGNO_P): Use IN_RANGE.
177 (MMX_REGNO_P): Use IN_RANGE.
178 (STACK_REGNO_P): New macro.
179 (STACK_REG_P): Use STACK_REGNO_P.
180 (NON_STACK_REG_P): Use STACK_REGNO_P.
181 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
182 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
183 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
184 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
185 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
187 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
189 * except.h (output_function_exception_table): Add 'const char*' param.
190 * except.c (switch_to_exception_section): Add 'const char*' param.
191 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
192 and flag_function_sections is set, use a function-specific section.
193 (output_function_exception_table): Add 'const char*' param.
194 Adjust call to switch_to_exception_section.
195 * final.c (rest_of_handle_final): Adjust calls to
196 output_function_exception_table.
197 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
198 * config.in: Regenerate.
199 * configure: Likewise.
201 2006-10-28 Richard Guenther <rguenther@suse.de>
204 * fold-const.c (maybe_canonicalize_comparison_1): Helper
205 for maybe_canonicalize_comparison.
206 (maybe_canonicalize_comparison): New function for canonicalizing
208 (fold_comparison): Call it to canonicalize comparisons with
211 2006-10-28 Richard Guenther <rguenther@suse.de>
214 * builtins.c (expand_builtin_int_roundingfn_2): Expand
215 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
216 (expand_builtin): Adjust likewise.
217 * genopinit.c (optabs[]): Add lround optab.
218 * optabs.c (init_optabs): Initialize lround_optab.
219 * optabs.h (enum convert_optab_index): Add COI_lround.
220 (lround_optab): Define.
221 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
222 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
224 (ix86_expand_lround): New function.
225 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
227 * doc/md.texi (lroundMN2): Document.
229 2006-10-28 Uros Bizjak <uros@kss-loka.si>
232 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
233 argument to HOST_WIDE_INT. Update function prototype.
234 (round_frame_size): Change return type to HOST_WIDE_INT. Change
235 "size" argument to HOST_WIDE_INT. Update function prototype.
237 2006-10-28 Uros Bizjak <uros@kss-loka.si>
239 * config/i386/i386.c (output_387_ffreep): Create output from a
240 template string for !HAVE_AS_IX86_FFREEP.
242 2006-10-27 Eric Christopher <echristo@apple.com>
244 * config/darwin.c: Fix formatting and grammar.
246 2006-10-27 Jan Hubicka <jh@suse.cz>
248 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
249 to be thrown away soon when IGNORE is set.
250 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
251 indicating when return value shall not be computed.
252 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
254 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
256 * config/i386/i386.h (TARGET_GEODE):
257 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
258 (TARGET_CPU_DEFAULT_geode): New macro.
259 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
260 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
261 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
262 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
263 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
265 (TARGET_CPU_DEFAULT_NAMES): Add geode.
266 (processor_type): Add PROCESSOR_GEODE.
268 * config/i386/i386.md: Include geode.md.
271 * config/i386/i386.c (geode_cost): New initialized global
273 (m_GEODE, m_K6_GEODE): New macros.
274 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
275 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
276 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
277 x86_schedule): Use m_K6_GEODE instead of m_K6.
278 (x86_movx, x86_cmove): Set up m_GEODE.
279 (x86_integer_DFmode_moves): Clear m_GEODE.
280 (processor_target_table): Add entry for geode.
281 (processor_alias_table): Ditto.
283 * config/i386/geode.md: New file.
285 * doc/invoke.texi: Add entry about geode processor.
287 2006-10-27 Mike Stump <mrs@apple.com>
289 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
290 __DYNAMIC__ from here back to ...
291 * config/darwin.h (CPP_SPEC): ... here.
293 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
294 Nathan Sidwell <nathan@codesourcery.com>
296 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
297 when choosing the minimum heapsize.
299 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
301 * gcc/unwind-dw2.h: Move cfa-related variables into
302 struct frame_state_reg_info to ensure that the CFA is properly
303 handled when executing DW_CFA_{remember,restore}_state.
304 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
305 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
306 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
307 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
308 gcc/config/rs6000/linux-unwind.h,
309 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
310 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
311 Modify to use new cfa_* fields.
313 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
315 * config/s390/s390.c (s390_init_frame_layout): Check positive
318 2006-10-26 Ben Elliston <bje@au.ibm.com>
320 * gimplify.c (get_name): Remove extraneous break.
321 (gimplify_omp_for): Initialise ret with GS_OK.
323 2006-10-25 Steve Ellcey <sje@cup.hp.com>
325 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
326 Add unix98.o to link line.
328 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
331 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
332 Calculate compile-time constants using MPFR.
333 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
334 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
336 2006-10-25 Bob Wilson <bob.wilson@acm.org>
338 * config/xtensa/lib2funcs.S: Use C-style comments.
340 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
342 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
343 (file_table_relative_p): Likewise.
344 (dwarf2out_finish): Likewise.
345 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
347 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
349 * tree-ssa-structalias.c (intra_create_variable_infos):
350 Don't recreate nonlocal_all if it already exists.
352 2006-10-25 Richard Guenther <rguenther@suse.de>
355 * optabs.h (enum optab_index): Remove OTI_lrint.
356 (enum convert_optab_index): Add COI_lrint.
357 (lrint_optab): Adjust.
358 (expand_sfix_optab): Declare.
359 * optabs.c (expand_sfix_optab): New function.
360 (init_optabs): Init lrint_optab as conversion optab.
361 * genopinit.c (lrint_optab): Change to a conversion optab.
362 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
363 expansion via conversion optab.
364 * config/i386/i386.md (*fistdi2_1): Remove
365 flag_unsafe_math_optimizations guard.
366 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
367 fist<mode>2_with_temp): Likewise.
368 (lrint<mode>2): Split into...
369 (lrintxf<mode>2): ... x87 part
370 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
371 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
372 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
373 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
374 * doc/md.texi (lrintMN2): Document.
376 2006-10-25 Uros Bizjak <uros@kss-loka.si>
379 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
380 Use inc and dec instructions for TARGET_USE_INCDEC.
381 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
382 ("sync_double_compare_and_swap<mode>"): Likewise.
383 ("*sync_double_compare_and_swapdi_pic"): Likewise.
384 ("*sync_compare_and_swap_cc<mode>"): Likewise.
385 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
386 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
387 ("sync_old_add<mode>"): Likewise.
388 ("sync_lock_test_and_set<mode>"): Likewise.
389 ("sync_lock_test_and_set<mode>"): Likewise.
390 ("sync_add<mode>"): Likewise.
391 ("sync_sub<mode>"): Likewise.
392 ("sync_ior<mode>"): Likewise.
393 ("sync_and<mode>"): Likewise.
394 ("sync_xor<mode>"): Likewise.
396 2006-10-25 Uros Bizjak <uros@kss-loka.si>
398 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
399 (remainder_optab): Define corresponding macro.
400 (drem_optab): Remove.
401 * optabs.c (init_optabs): Initialize remainder_optab. Remove
402 drem_optab initialization.
403 * genopinit.c (optabs): Implement remainder_optab using
404 remainder?f3 patterns. Remove drem_optab.
405 * builtins.c (expand_builtin_mathfn_2): Handle
406 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
407 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
408 expand_builtin_mathfn_2.
410 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
411 depend on flag_unsafe_math_optimizations.
413 * config/i386/i386.md ("remaindersf3", "remainderdf3")
414 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
415 Do not depend on flag_unsafe_math_optimizations. Use
416 truncxf?f expander instead of truncxf?f_i387_noop.
418 ("fpremxf4", "fprem1xf4"): Do not depend on
419 flag_unsafe_math_optimizations.
420 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
421 flag_unsafe_math_optimizations. Use truncxf?f expander
422 instead of truncxf?f_i387_noop.
424 * doc/md.texi (fmod, remainder): Document standard named pattern.
426 2006-10-24 Richard Sandiford <richard@codesourcery.com>
427 David Daney <ddaney@avtrex.com>
430 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
432 2006-10-25 Ben Elliston <bje@au.ibm.com>
434 * doc/extend.texi (Variable Attributes): Typo fix.
436 2006-10-24 Uros Bizjak <uros@kss-loka.si>
438 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
439 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
440 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
441 (FRAME_POINTER_REGNUM): Update register number to 21.
442 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
443 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
445 * config/i386/i386.c (regclass_map): Add fpcr entry.
446 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
448 (print_reg): Assert REGNO (x) != FPCR_REG.
450 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
451 (DIRFLAG_REG): Renumber.
452 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
453 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
454 (sse_prologue_save, *sse_prologue_save_insn): Renumber
455 hardcoded SSE register numbers.
457 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
458 hardcoded MMX register numbers.
460 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
463 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
464 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
466 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
467 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
468 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
469 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
471 2006-10-24 Richard Guenther <rguenther@suse.de>
474 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
475 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
476 for deciding optimizations in consistency with fold-const.c
477 (fold_builtin_unordered_cmp): Likewise.
479 2006-10-24 Richard Guenther <rguenther@suse.de>
481 * builtins.c (fold_builtin_floor): Fold floor (x) where
482 x is nonnegative to trunc (x).
483 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
484 nonnegative to FIX_TRUNC_EXPR.
486 2006-10-24 Richard Guenther <rguenther@suse.de>
488 PR tree-optimization/29567
489 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
490 for TRUTH_NOT_EXPR. Clarify comments.
492 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
495 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
496 at compile-time using MPFR. Change parameter VALUE to FUNC,
498 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
499 for overflow and underflow at all times and avoid folding in
502 2006-10-24 Ben Elliston <bje@au.ibm.com>
504 * reload1.c: Formatting fixes.
506 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
508 PR tree-optimization/14784
509 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
510 * tree-ssa-structalias.c (get_constraint_for,
511 intra_create_variable_infos): Set is_heapvar.
512 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
513 non-heapvar pointer variables specially.
515 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
518 * builtins.c (fold_builtin_sin, fold_builtin_cos,
519 fold_builtin_tan): Fold all constant arguments. Take a "type"
520 argument as necessary.
522 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
524 2006-10-23 Bob Wilson <bob.wilson@acm.org>
526 * config/xtensa/lib1funcs.asm: Use C-style comments.
528 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
530 * tree.c (local_define_builtin): Replace calls to
531 lang_hooks.builtin_function with add_builtin_function.
532 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
534 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
536 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
537 common code to add_builtin_function.
538 * langhooks.c (add_builtin_function): New function.
539 (lhd_builtin_function): New function.
540 * langhooks.h (struct lang_hooks): Change the signature of
542 (add_builtin_function): New function.
543 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
544 calls to lang_hooks.builtin_function with add_builtin_function.
545 * c-common.c (decl_builtin_1): Replace calls to
546 lang_hooks.builtin_function with add_builtin_function.
547 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
548 lang_hooks.builtin_function with add_builtin_function.
549 * config/frv/frv.c (def_builtin): Replace calls to
550 lang_hooks.builtin_function with add_builtin_function.
551 * config/s390/s390.c (s390_init_builtins): Replace calls to
552 lang_hooks.builtin_function with add_builtin_function.
553 * config/sparc/sparc.c (def_builtin): Replace calls to
554 lang_hooks.builtin_function with add_builtin_function.
555 * config/i386/i386.c (def_builtin): Replace calls to
556 lang_hooks.builtin_function with add_builtin_function.
557 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
558 lang_hooks.builtin_function with add_builtin_function.
559 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
560 lang_hooks.builtin_function with add_builtin_function.
561 * config/stormy16/stormy16.c (xstormy16_init_builtins):
562 Replace calls to lang_hooks.builtin_function with
563 add_builtin_function.
564 * config/iq2000/iq2000.c (def_builtin):
565 Replace calls to lang_hooks.builtin_function with
566 add_builtin_function.
567 * config/ia64/ia64.c (def_builtin): Replace calls to
568 lang_hooks.builtin_function with add_builtin_function.
569 * config/rs6000/rs6000.c (def_builtin): Replace calls to
570 lang_hooks.builtin_function with add_builtin_function.
571 (altivec_init_builtins): Replace calls to
572 lang_hooks.builtin_function with add_builtin_function.
573 * config/arm/arm.c (def_mbuiltin): Replace calls to
574 lang_hooks.builtin_function with add_builtin_function.
575 (arm_init_tls_builtins): Replace calls to
576 lang_hooks.builtin_function with add_builtin_function.
577 * config/mips/mips.c (mips_init_builtins): Replace calls to
578 lang_hooks.builtin_function with add_builtin_function.
579 * config/bfin/bfin.c (def_builtin): Replace calls to
580 lang_hooks.builtin_function with add_builtin_function.
581 * langhooks-def.h (lhd_builtin_function): New function.
582 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
584 2006-10-23 Jakub Jelinek <jakub@redhat.com>
586 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
587 BUILT_IN_STRNCAT_CHK.
589 2006-10-23 Jan Hubicka <jh@suse.cz>
591 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
592 don't do conversion from memmove to memcpy here.
593 (expand_builtin_bcopy, expand_builtin): Update call of
594 expand_builtin_memmove.
595 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
597 2006-10-23 Paul Brook <paul@codesourcery.com>
599 * stor-layout.c (start_record_layout): maximum_field_alignment
600 overrides STRUCTURE_SIZE_BOUNDARY.
602 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
604 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
605 nonlocal function symbols if flag_pic.
607 2006-10-23 Richard Guenther <rguenther@suse.de>
611 * builtins.c (fold_binary): Remove checks for flag_wrapv
612 and flag_trapv where negate_expr_p covers these cases.
614 2006-10-23 Richard Guenther <rguenther@suse.de>
617 * fold-const.c (fold_plusminus_mult_expr): Check exact power
618 of two on the absolute value.
619 (fold_binary): Fold x * -C to -x * C if x is easily negatable
620 and negating -C does not overflow.
622 2006-10-23 Richard Guenther <rguenther@suse.de>
625 * convert.c (convert_to_real): Fold (float)-x to -(float)x
626 only if not flag_rounding_math.
628 2006-10-22 Richard Sandiford <richard@codesourcery.com>
629 Kaz Kojima <kkojima@gcc.gnu.org>
632 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
633 SImode memory reference for the source of a movua.
634 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
635 (movua): Use an unspec instead of sign_extract. Expect the source
636 to have mode BLKmode.
637 (extv, insv): Use a BLKmode rather than SImode memory reference
638 for the source of a movua.
640 2006-10-22 Jeff Law <law@redhat.com>
641 Richard Guenther <rguenther@suse.de>
643 PR tree-optimization/15911
644 * tree-vrp.c (extract_code_and_val_from_cond): New function.
645 (register_edge_assert_for_1): Likewise.
646 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
647 (find_conditional_asserts): Adjust for new function signature.
648 (find_assert_locations): Likewise.
650 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
652 * config/i386/tmmintrin.h: Remove the duplicated content.
654 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
656 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
657 (x86_64-*-*): Likewise.
659 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
660 (override_options): Check SSSE3.
661 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
662 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
663 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
664 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
665 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
666 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
667 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
668 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
669 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
670 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
671 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
672 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
673 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
674 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
675 IX86_BUILTIN_PABSD128.
676 (bdesc_2arg): Add SSSE3.
677 (bdesc_1arg): Likewise.
678 (ix86_init_mmx_sse_builtins): Support SSSE3.
679 (ix86_expand_builtin): Likewise.
680 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
682 * config/i386/i386.md (UNSPEC_PSHUFB): New.
683 (UNSPEC_PSIGN): Likewise.
684 (UNSPEC_PALIGNR): Likewise.
685 Include mmx.md before sse.md.
687 * config/i386/i386.opt: Add -mssse3.
689 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
690 (ssse3_phaddwv4hi3): Likewise.
691 (ssse3_phadddv4si3): Likewise.
692 (ssse3_phadddv2si3): Likewise.
693 (ssse3_phaddswv8hi3): Likewise.
694 (ssse3_phaddswv4hi3): Likewise.
695 (ssse3_phsubwv8hi3): Likewise.
696 (ssse3_phsubwv4hi3): Likewise.
697 (ssse3_phsubdv4si3): Likewise.
698 (ssse3_phsubdv2si3): Likewise.
699 (ssse3_phsubswv8hi3): Likewise.
700 (ssse3_phsubswv4hi3): Likewise.
701 (ssse3_pmaddubswv8hi3): Likewise.
702 (ssse3_pmaddubswv4hi3): Likewise.
703 (ssse3_pmulhrswv8hi3): Likewise.
704 (ssse3_pmulhrswv4hi3): Likewise.
705 (ssse3_pshufbv16qi3): Likewise.
706 (ssse3_pshufbv8qi3): Likewise.
707 (ssse3_psign<mode>3): Likewise.
708 (ssse3_psign<mode>3): Likewise.
709 (ssse3_palignrti): Likewise.
710 (ssse3_palignrdi): Likewise.
711 (abs<mode>2): Likewise.
712 (abs<mode>2): Likewise.
714 * config/i386/tmmintrin.h: New file.
716 * doc/extend.texi: Document SSSE3 built-in functions.
718 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
720 2006-10-22 Ira Rosen <irar@il.ibm.com>
722 * tree-vect-transform.c (vectorizable_load): Use the type of the
723 return value of the mask_for_load builtin to create realign_load
726 2006-10-22 Richard Sandiford <richard@codesourcery.com>
728 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
731 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
733 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
734 (UNSPEC_LDDQU): This.
735 * config/i386/sse.md (sse3_lddqu): Updated.
737 2006-10-21 Richard Guenther <rguenther@suse.de>
739 * builtins.c (expand_builtin_int_roundingfn_2): New function.
740 (expand_builtin): Use it to expand lrint instead of
741 expand_builtin_mathfn.
743 2006-10-21 Uros Bizjak <uros@kss-loka.si>
746 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
747 flag_unsafe_math_optimizations is set.
749 2006-10-21 Uros Bizjak <uros@kss-loka.si>
752 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
753 patterns to use memory input operand in x87->mem->XMM
754 reload sequences. Skip transformation for TARGET_K8.
756 2006-10-21 Uros Bizjak <uros@kss-loka.si>
758 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
759 force operand1 to register if both operands are memory operands.
760 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
761 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
762 if both operands are memory operands.
763 (truncdfsf2): Do not force operand1 to register if both operands
766 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
768 * Makefile.in (LIBS): Add $(GMPLIBS).
769 * doc/install.texi: Update GMP and MPFR requirements.
770 * doc/sourcebuild.texi (need_gmp): Delete.
772 2006-10-21 Richard Guenther <rguenther@suse.de>
774 PR tree-optimization/3511
775 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
776 got new invariant arguments during PHI translation.
778 2006-10-21 Richard Guenther <rguenther@suse.de>
781 * fold-const.c (fold_comparison): Fold signed comparisons
782 of the form X +- C1 CMP Y +- C2.
784 2006-10-21 Richard Guenther <rguenther@suse.de>
787 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
788 if flag_unsafe_math_optimizations is specified. We have
789 flag_finite_math_only for that.
790 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
791 or flag_unsafe_math_optimizations.
793 2006-10-21 Richard Guenther <rguenther@suse.de>
795 * builtins.c (fold_builtin_classify): Fix typo.
797 2006-10-21 Richard Guenther <rguenther@suse.de>
800 * simplify-rtx.c (simplify_const_relational_operation):
801 Do not constant-fold ORDERED and UNORDERED for
802 flag_unsafe_math_optimizations but only we do not need to
803 honor NaNs for the given mode.
805 2006-10-21 Richard Guenther <rguenther@suse.de>
808 * config/i386/i386.c (classify_argument): Remove redundant
809 walking of the BINFOs.
810 (contains_128bit_aligned_vector_p): Likewise.
812 2006-10-20 Mark Mitchell <mark@codesourcery.com>
814 * BASE-VER: Set to 4.3.0.
816 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
818 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
819 (tree_decl_with_vis): Remove artificial_pta_var flag.
820 * tree-flow.h (referenced_var_check_and_insert): Expose.
821 (nonlocal_all): New prototype.
822 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
823 (nonlocal_all): Make global.
824 (nonlocal_lookup): Remove.
825 (nonlocal_insert): Ditto.
826 (create_nonlocal_var): Do not call nonlocal_insert.
827 (get_nonlocal_id_for_type): Remove.
828 (find_global_initializers): Mark new vars we find for renaming.
829 (intra_create_variable_infos): Only create one nonlocal.
830 (expand_nonlocal_solutions): Remove.
831 (compute_points_to_sets): Don't call it.
832 (ipa_pta_execute): Ditto.
833 (init_alias_heapvars): Don't create nonlocal_for_type.
834 (delete_alias_heapvars): Don't remove it.
835 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
838 2006-10-19 Brooks Moses <bmoses@stanford.edu>
840 * doc/install.texi (Downloading GCC): Clarify mention of
841 Fortran in the "full distribution" description.
843 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
845 Fix PR tree-optimization/28778
846 Fix PR tree-optimization/29156
847 Fix PR tree-optimization/29415
848 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
849 (tree_decl_with_vis): Add artificial_pta_var flag.
850 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
852 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
853 (nonlocal_all): Ditto.
854 (struct variable_info): Add directly_dereferenced member.
855 (var_escaped_vars): New variable.
856 (escaped_vars_tree): Ditto.
857 (escaped_vars_id): Ditto.
858 (nonlocal_vars_id): Ditto.
859 (new_var_info): Set directly_dereferenced.
860 (graph_size): New variable
861 (build_constraint_graph): Use graph_size.
862 (solve_graph): Don't process constraints that cannot change the
863 solution, don't try to propagate an empty solution to our
865 (process_constraint): Set directly_dereferenced.
866 (could_have_pointers): New function.
867 (get_constraint_for_component_ref): Don't process STRING_CST.
868 (nonlocal_lookup): New function.
869 (nonlocal_insert): Ditto.
870 (create_nonlocal_var): Ditto.
871 (get_nonlocal_id_for_type): Ditto.
872 (get_constraint_for): Allow results vector to be empty in the case
874 Handle results of calls properly.
875 (update_alias_info): Update alias info stats on number and type of
877 (find_func_aliases): Use could_have_pointers.
878 (make_constraint_from_escaped): Renamed from
879 make_constraint_to_anything, and changed to make constraints from
881 (make_constraint_to_escaped): New function.
882 (find_global_initializers): Ditto.
883 (create_variable_info_for): Make constraint from escaped to any
884 global variable, and from any global variable to the set of
886 (intra_create_variable_infos): Deal with escaped instead of
887 pointing to anything.
888 (set_uids_in_ptset): Do type pruning on directly dereferenced
890 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
891 (init_base_vars): Fix comment, and initialize escaped_vars.
892 (need_to_solve): Removed.
893 (find_escape_constraints): New function.
894 (expand_nonlocal_solutions): Ditto.
895 (compute_points_to_sets): Call find_escape_constraints and
896 expand_nonlocal_solutions.
897 (delete_points_to_sets): Don't fall off the end of the graph.
898 (init_alias_heapvars): Initialize nonlocal_for_type and
900 (delete_alias_heapvars): Free nonlocal_for_type and null out
903 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
905 * fold-const.c (add_double): Rename to add_double_with_sign.
906 Add 'unsigned_p' parameter and take it into account for the overflow.
907 (mul_double): Rename to mul_double_with_sign.
908 Add 'unsigned_p' parameter and take it into account for the overflow.
909 (fold_div_compare): Call add_double_with_sign instead of add_double
910 and mul_double_with_sign instead of mul_double, passing them the
911 unsignedness of the type.
912 * tree.h (add_double): Macroize.
913 (add_double_with_sign): New prototype.
914 (mul_double): Macroize.
915 (mul_double_with_sign): New prototype.
917 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
919 * config/score/crti.asm: New file.
920 * config/score/crtn.asm: New file.
921 * config/score/elf.h: New file.
922 * config/score/mac.md: New file.
923 * config/score/misc.md: New file.
924 * config/score/mul-div.S: New file.
925 * config/score/predicates.md: New file.
926 * config/score/score7.md: New file.
927 * config/score/score.c: New file.
928 * config/score/score-conv.h: New file.
929 * config/score/score.h: New file.
930 * config/score/score.md: New file.
931 * config/score/score-mdaux.c: New file.
932 * config/score/score-mdaux.h: New file.
933 * config/score/score-modes.def: New file.
934 * config/score/score.opt: New file.
935 * config/score/score-protos.h: New file.
936 * config/score/score-version.h: New file.
937 * config/score/t-score-elf: New file.
938 * config.gcc: Add score*-*-* configurations(Update before).
939 * doc/invoke.texi (Score Options): New section.
940 * doc/md.texi (Score family): New section to document constraints.
942 2006-10-19 Nick Clifton <nickc@redhat.com>
944 * config/arm/arm.c: Fix spelling typo.
946 2006-10-18 Tom Tromey <tromey@redhat.com>
948 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
950 2006-10-18 Jan Hubicka <jh@suse.cz>
953 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
956 2006-10-18 Marcin Dalecki <martin@dalecki.de>
958 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
959 TSI_SAME_STMT, since that's the desired entity.
961 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
963 * config/s390/contraints.md: New file.
964 * config/s390/s390-protos.h (s390_mem_constraint,
965 s390_O_constraint_str, s390_N_constraint_str,
966 s390_float_const_zero_p): Function prototypes added.
967 * config/s390/s390.c (s390_extra_constraint_str,
968 s390_const_double_ok_for_constraint_p,
969 s390_const_ok_for_constraint_p): Functions removed.
970 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
971 s390_float_const_zero_p): New functions.
972 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
973 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
974 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
975 Macro definitions removed.
976 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
977 s390_extra_constraint_str): Functions removed.
979 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
980 Richard Sandiford <richard@codesourcery.com>
983 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
984 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
986 2006-10-16 Geoffrey Keating <geoffk@apple.com>
988 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
989 (DWARF2_FRAME_REG_OUT): Likewise.
990 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
991 (DWARF2_FRAME_REG_OUT): Likewise.
993 2006-10-17 Paul Brook <paul@codesourcery.com>
995 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
997 2006-10-16 Brooks Moses <bmoses@stanford.edu>
999 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1000 Standardize on "GNU Fortran" as the official name of the Fortran
1003 2006-10-16 Mike Stump <mrs@apple.com>
1005 * doc/invoke.texi (Darwin Options): Document -mkernel.
1006 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1008 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1009 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1010 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1011 (OS_MISSING_ALTIVEC): Add.
1012 * config/i386/i386.c (override_options): Add
1013 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1014 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1015 -mkernel, -static or -mdynamic-no-pic is given.
1016 (C_COMMON_OVERRIDE_OPTIONS): Add.
1017 * config/darwin.opt (fapple-kext): Add.
1019 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1020 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1022 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1023 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1024 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1025 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1026 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1027 (flag_mkernel): Add.
1028 (flag_apple_kext): Add.
1029 (TARGET_KEXTABI): Add.
1030 * config/darwin.c (darwin_handle_kext_attribute): Add.
1031 (DARWIN_VTABLE_P): Add.
1032 (darwin_binds_local_p): Add partial support for rebinding vtables
1034 (darwin_kextabi_p): Add.
1035 (darwin_override_options): Add.
1036 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1037 (darwin_kextabi_p): Add.
1038 (darwin_override_options): Add.
1039 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1040 __DYNAMIC__ and __STATIC__ here.
1042 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1044 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1045 Added mention of "make pdf" target, and Texinfo requirements for
1048 2006-10-16 DJ Delorie <dj@redhat.com>
1050 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1051 into the GOT in case we need a subreg of the address.
1053 2006-10-16 Richard Guenther <rguenther@suse.de>
1056 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1057 SSE builtin documentation. Document SSE2 builtins.
1059 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1061 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1062 symbol in the output file for non-shared links when -nostdlib or
1063 -nodefaultlibs isn't specified.
1065 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1066 posix thread support.
1068 2006-10-15 Jan Hubicka <jh@suse.cz>
1071 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1072 declared always_inline even when not inlining.
1074 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1075 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1076 Andrew Pinski <pinskia@gmail.com>
1079 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1081 2006-10-15 Jan Hubicka <jh@suse.cz>
1082 Richard Guenther <rguenther@suse.de>
1085 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1086 process_function_and_variable_attributes on all variables, including
1087 those discovered during cgraph construction phase.
1089 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1091 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1093 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1095 * config/i386/athlon.md (athlon_fist): Add fisttp.
1097 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1098 Ian Lance Taylor <ian@airs.com>
1101 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1102 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1105 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1107 * config/score/score.c, config/score/score.h: Fix comment
1110 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1113 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1116 2006-10-13 Eric Christopher <echristo@apple.com>
1118 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1120 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1123 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1124 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1125 alignment supported by 32-bit ELF.
1127 2006-10-13 Eric Christopher <echristo@apple.com>
1129 * config/darwin.c (darwin_emit_unwind_label): Strip
1130 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1132 2006-10-13 Richard Guenther <rguenther@suse.de>
1134 PR tree-optimization/29446
1135 * tree-vrp.c (fix_equivalence_set): Remove.
1136 (extract_range_from_assert): Do not call fix_equivalence_set.
1137 (debug_value_range): Print a newline.
1138 (compare_name_with_value): For equivalence sets with
1139 inconsistent value ranges conservatively bail out.
1140 (compare_names): Likewise.
1142 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1144 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1145 and MPFR for gfortran.
1147 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1149 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1150 alignment supported by 32-bit ELF.
1152 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1156 * c-typeck.c (digest_init): Always allow initializing vectors
1157 that have static storage duration with compound literals.
1158 * tree.c (build_type_attribute_qual_variant): New, based on
1159 build_type_attribute_variant.
1160 (build_type_attribute_variant): Rewrite using the former.
1161 (make_vector_type): Use build_type_attribute_qual_variant to build
1162 type variants. Use type_hash_canon on the others.
1164 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1165 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1167 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1169 2006-10-12 Jan Hubicka <jh@suse.cz>
1172 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1173 current_function_decl is set but current_function_scope is not.
1175 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1177 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1178 emit_insn to emit eh_return_internal instruction.
1179 (eh_return_internal): Explicitly set pc.
1181 2006-10-11 Richard Guenther <rguenther@suse.de>
1183 PR tree-optimization/28230
1184 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1185 to the correct place.
1187 2006-10-11 Richard Guenther <rguenther@suse.de>
1190 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1193 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1195 * configure.ac: Added pdf to "Make-hooks"
1196 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1197 targets and *.pdf file patterns in cleanup targets.
1198 * configure: Regenerated.
1200 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1202 * config/avr/predicates.md: New file.
1203 * config/avr/avr.md: Include it.
1204 (REG_SP): New constant.
1205 (peepholes): Use predicates.
1206 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1207 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1208 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1210 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1212 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1215 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1218 * builtins.c (var_decl_component_p): New function.
1219 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1220 single entry optimization to variables and components thereof.
1222 2006-10-10 Richard Guenther <rguenther@suse.de>
1224 PR rtl-optimization/29323
1225 * except.c (set_nothrow_function_flags): For functions
1226 that do not bind local bail out early.
1228 2006-10-10 Ben Elliston <bje@au.ibm.com>
1230 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1233 2006-10-09 Richard Henderson <rth@redhat.com>
1235 Revert emutls patch.
1237 2006-10-09 Richard Guenther <rguenther@suse.de>
1240 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1243 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1246 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1247 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1248 * configure: Regenerate.
1249 * config.in: Regenerate.
1251 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1253 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1255 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1257 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1258 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1259 Remove stray newline.
1261 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1263 * config/mips/mips.c (mips_classify_symbol): Do not return
1264 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1265 (mips_in_small_data_p): Tweak comments.
1267 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1269 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1271 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1273 * gimplify.c, sched-int.h: Fix comment typos.
1275 * sched-int.h: Fix comment typos.
1277 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1279 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1281 * sched-ebb.c (begin_schedule_ready): Use them.
1282 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1283 add_to_speculative_block, create_check_block_twin, speculate_insn,
1284 fix_jump_move, move_block_after_check): Ditto.
1285 * sched-rgn.c (new_ready): Ditto.
1287 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1289 PR rtl-optimization/29128
1290 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1291 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1292 allow interblock movement of speculation checks.
1294 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1297 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1298 casted to integer type.
1299 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1300 if they are significantly more expensive than [reg + index] ones.
1302 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1304 PR tree-optimization/29330
1305 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1306 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1307 on newly allocated ddrs.
1308 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1309 to VEC (loop_p, heap) pointer.
1310 (compute_data_dependences_for_loop): Adjust caller.
1311 (free_dependence_relations): Free DDR_LOOP_NEST.
1313 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1314 free DEPENDENCE_RELATIONS and DATAREFS.
1317 * builtins.c (expand_builtin_sync_operation,
1318 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1319 Use convert_to_mode to handle promoted arguments.
1321 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1323 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1325 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1327 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1329 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1331 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1332 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1333 Use <modeconstraint> instead of "r" as operand 1 constraint.
1335 2006-10-06 Olivier Hainque <hainque@adacore.com>
1337 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1338 Don't recurse on the pointed-to type.
1339 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1340 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1341 types with components of variable size.
1343 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1345 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1347 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1349 PR tree-optimization/29290
1350 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1354 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1355 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1358 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1359 the number of vector elements fill the rest with zeros.
1361 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1363 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1364 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1367 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1369 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1370 unnamed pattern into subsi3. Use correct constraints/predicates.
1371 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1372 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1374 2006-10-05 Ira Rosen <irar@il.ibm.com>
1376 * doc/loop.texi: Add data references analysis description.
1378 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1380 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1382 2006-10-04 Richard Henderson <rth@redhat.com>
1383 Jakub Jelinek <jakub@redhat.com>
1385 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1386 * builtin-types.def (BT_WORD): Make unsigned.
1387 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1388 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1389 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1390 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1391 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1392 * cgraph.c (decide_is_variable_needed): Look at force_output.
1393 Recurse for emulated tls.
1394 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1395 checks redundant with decide_is_variable_needed.
1396 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1397 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1399 * expr.c (emutls_var_address): New.
1400 (expand_expr_real_1): Expand emulated tls.
1401 (expand_expr_addr_expr_1): Likewise.
1402 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1403 * output.h (emutls_finish): Declare.
1404 * toplev.c (compile_file): Call it.
1405 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1406 address before wrapping in CONST.
1407 * varasm.c (emutls_htab, emutls_object_type): New.
1408 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1409 (get_emutls_object_name, get_emutls_object_type): New.
1410 (get_emutls_init_templ_addr, emutls_decl): New.
1411 (emutls_common_1, emutls_finish): New.
1412 (assemble_variable): When emulating tls, swap decls; generate
1413 constructor for the emutls objects.
1414 (do_assemble_alias): When emulating tls, swap decl and target name.
1415 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1417 * emutls.c: New file.
1418 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1419 tls_object for real tls.
1421 2006-10-04 Zack Weinberg <zackw@panix.com>
1423 Fix bug in constraint-check generator, reported by Rask Ingemann
1425 * genpreds.c (add_constraint): Don't remove anything from the
1427 (write_tm_constrs_h): Detect whether "op" argument is used, and
1428 mark it ARG_UNUSED if it isn't.
1429 (write_insn_const_int_ok_for_constraint): Skip the part of the
1430 expression that would test whether "op" (which is not available
1431 here) is a CONST_INT.
1433 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1436 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1438 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1440 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1441 current Leopard versions.
1442 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1444 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1446 * doc/install.texi: Fix typos.
1448 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1450 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1451 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1452 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1454 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1456 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1457 arg to be struct mach_header_64* instead.
1459 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1462 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1463 side effects after the outer expression's post side effects.
1465 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1467 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1468 comments to reflect actual behavior and relationship between
1469 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1471 * doc/c-tree.texi (Working with declarations): Fix documentation
1472 of FIELD_DECL likewise.
1474 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1477 * doc/extend.texi: Add used variable attribute description.
1479 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1482 * c.opt (Woverride-init): New.
1483 * c-opts.c (c_common_post_options): Default warn_override_init to
1485 * c-typeck.c (add_pending_init, output_init_element): Warn for
1486 overriding initializers without side effects.
1487 * doc/invoke.texi (-Woverride-init): Document.
1490 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1492 PR rtl-optimization/28096
1493 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1494 assignment has already been used as a destination earlier in the block.
1496 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1498 * builtins.c (expand_builtin_setjmp): Delete.
1499 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1500 <BUILT_IN_SETJMP_SETUP>: New case.
1501 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1502 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1503 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1504 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1505 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1506 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1507 (lower_function_body): Initialize it to false. If it is set to true
1508 at the end of the processing, emit the setjmp dispatcher.
1509 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1510 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1511 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1512 on the rhs of the assignment.
1513 (lower_builtin_setjmp): New function.
1514 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1515 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1516 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1517 to detect calls that can go to non-local labels. Use specific
1518 helper to create the abnormal edges associated with them.
1519 <MODIFY_EXPR>: Likewise.
1520 (make_abnormal_goto_edges): New function extracted from...
1521 (make_goto_expr_edges): ...here. Call it for computed gotos.
1522 (simple_goto_p): Minor tweak.
1523 (tree_can_make_abnormal_goto): New predicate.
1524 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1525 (tree_purge_dead_abnormal_call_edges): New function.
1526 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1527 (tree_purge_dead_abnormal_call_edges): Likewise.
1528 (make_abnormal_goto_edges): Likewise.
1529 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1530 Purge all dead abnormal edges if the call was in the last statement.
1531 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1532 (execute_fixup_cfg): If there are non-local labels in the function,
1533 scan the basic blocks and split them at calls that can go to non-local
1534 labels or add missing abnormal call edges. Write down the CFG in the
1536 (pass_fixup_cfg): Remove TODO_dump_func flag.
1537 * unwind-sjlj.c: Poison setjmp.
1538 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1539 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1540 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1541 (DONT_USE_BUILTIN_SETJMP): Document it.
1543 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1546 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1547 to 1 when __ppc64__ is defined.
1548 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1550 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1552 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1554 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1555 * config/ia64/unwind-hpux.c: Delete.
1557 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1559 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1560 on the element before gimplifying it, instead of punting if it is of
1563 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1565 * doc/loop.texi: New file.
1566 * doc/gccint.texi: Reference loop.texi.
1567 * Makefile.in (loop.texi): Add.
1569 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1571 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1573 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1574 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1576 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1578 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1580 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1582 * doc/install.texi: Document required versions of GMP and MPFR.
1584 2006-09-27 Paul Brook <paul@codesourcery.com>
1587 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1589 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1591 * reload1.c (alter_reg): Require the alignment of the stack slot to
1592 be at least reg_max_ref_width bytes.
1593 (scan_paradoxical_subregs): Record the largest width in
1596 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1600 * tree-nested.c (struct nesting_info): Added static_chain_added.
1601 (convert_call_expr): Set static_chain_added when adding static
1602 chain. Handle OMP_PARALLEL and OMP_SECTION.
1604 2006-09-25 Matthias Klose <doko@debian.org>
1606 * doc/invoke.texi: Add missing full stop.
1608 2006-09-25 Richard Henderson <rth@redhat.com>
1610 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1611 before cgraph_function_flags_ready.
1613 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1614 Adam Nemet <anemet@caviumnetworks.com>
1616 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1617 determine_common_wider_type): New functions.
1618 (get_computation_aff): Use them to simplify arithmetic between
1619 UBASE and CBASE if they are shortened from the same type.
1621 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1624 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1625 -2147483647 - 1 instead of 0x80000000.
1627 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1629 * flags.h (HONOR_NANS): Fix typo in comment.
1631 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1633 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1635 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1639 * tree.c (merge_attributes, attribute_list_contained): If both
1640 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1642 * c-typeck.c (comptypes_internal): Don't consider aggregates
1643 in different TUs as compatible if there one set of attributes is
1644 not a subset of the other type's attributes.
1645 (composite_type): Try harder not to create a new aggregate type.
1647 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1649 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1650 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1651 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1652 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1653 than replicating condition above.
1654 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1656 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1657 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1658 the linker by default.
1660 2006-09-22 Mike Stump <mrs@apple.com>
1662 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1665 2006-09-22 Richard Guenther <rguenther@suse.de>
1668 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1669 sort of stack variables stable.
1671 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1674 * explow.c (force_reg): Set REG_POINTER flag according to
1677 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1679 PR tree-optimization/28888
1680 * tree-if-conv.c (combine_blocks): Rewritten.
1681 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1682 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1684 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1686 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1689 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1691 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1693 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1695 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1697 2006-09-21 Roger Sayle <roger@eyesopen.com>
1700 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1701 dw_fde_current_label, to be the start of the function, i.e. the same
1702 value as dw_fde_begin.
1704 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1706 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1707 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1708 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1709 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1710 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1711 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1712 (abs<mode>2, neg<mode>2): Likewise.
1713 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1714 (*mips_abs_ps): New define_insn.
1716 2006-09-20 Josh Conner <jconner@apple.com>
1719 * calls.c (expand_call): Allow reuse of structure return stack
1722 2006-09-20 Paul Brook <paul@codesourcery.com>
1724 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1727 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1729 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1730 clean up terminology.
1732 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1735 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1736 with tablejumps in them.
1738 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1741 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1742 wrap it into TARGET_EXPR.
1744 2006-09-20 Eric Christopher <echristo@apple.com>
1746 * config/i386/i386.c (x86_fisttp): Remove.
1747 * config/i386/i386.h (x86_fisttp): Ditto.
1748 (TARGET_FISTTP): Ditto.
1750 2006-09-19 Eric Christopher <echristo@apple.com>
1752 * doc/tm.texi (OBJC_JBLEN): Describe.
1753 * config/i386/darwin.h (OBJC_JBLEN): Define.
1754 * config/rs6000/darwin.h: Ditto.
1756 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1758 PR rtl-optimization/21299
1759 * reload1.c (reload): Purge invalid ASMs in the final pass.
1761 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1764 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1765 pointers as legitimate constants.
1767 2006-09-19 Paul Brook <paul@codesourcery.com>
1770 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1772 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1774 PR tree-optimization/28887
1775 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1776 component parts from the reference.
1777 (gather_memory_references_ref): Record the reference without the
1778 nonaddressable component parts.
1780 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1783 * c-opts.c (c_common_handle_option): Ignore the -std options
1784 if the input language is assembly.
1786 2006-09-17 Ira Rosen <irar@il.ibm.com>
1789 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1791 (ptr_ptr_may_alias_p): Likewise.
1792 (record_record_differ_p): New function.
1793 (base_object_differ_p): Call record_record_differ_p.
1795 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1798 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1799 away for the expr argument.
1801 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1804 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1805 before using it for dumping after vectorizing loops.
1807 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1808 Jack Howarth <howarth@bromo.med.uc.edu>
1811 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1812 skip on error_mark_node.
1813 (rs6000_darwin64_record_arg_recurse): Likewise.
1815 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1817 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1818 * doc/rtl.texi: Remove related documentation.
1820 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1822 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1825 2006-09-15 Jim Wilson <wilson@specifix.com>
1827 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1828 Handle symbol offsets same as they are handled in ia64_expand_move
1831 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1833 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1834 Add forgotten parameter to the fprintf call.
1836 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1838 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1840 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1842 * doc/contrib.texi: Add my entry.
1844 2006-09-15 Nick Clifton <nickc@redhat.com>
1846 * doc/md.texi (Processor pipeline description): Fix typo in
1847 example of how to use the absence_set directive and reword the
1848 description to make it slightly easier to read.
1850 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1852 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1853 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1854 expanding the number of iterations.
1855 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1857 * cfgrtl.c (emit_insn_at_entry): New function.
1858 * rtl.h (emit_insn_at_entry): Declare it.
1859 * integrate.c (emit_initial_value_sets): Use it.
1861 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1863 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1865 (struct loop_work and related VEC declarations): Delete.
1866 (bfin_dump_loops): Print out new member bad.
1867 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1868 (bfin_scan_loop): Don't recurse.
1869 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1870 loops. No longer need to update outer loops if the current one is
1871 found bad. Move some validitiy checks to bfin_discover_loop.
1872 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1873 but changed not to check for nesting. Also changed to use the new bad
1875 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1876 time. Use bitmap based test to discover loop nesting.
1878 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1880 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1883 2006-09-14 Richard Guenther <rguenther@suse.de>
1884 Kazu Hirata <kazu@codesourcery.com>
1886 PR middle-end/28884.
1887 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1888 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1889 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1890 with TARGET_FUNCTION_VALUE.
1892 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1895 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1897 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1899 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1902 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1905 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1908 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1910 * basic_block.h (bb_has_eh_pred): Fix comment.
1912 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1914 * flow.c (calculate_global_regs_live): Invalidate eh registers
1915 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1916 (propagate_block): Handle eh registers as if they were set at basic
1918 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1920 * global.c (global_conflicts): Make eh registers to conflict with
1921 pseudos live at basic block begin.
1922 * basic_block.h (bb_has_eh_pred): New function.
1924 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1926 PR rtl-optimization/28982
1927 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1928 index of a PRE_MODIFY or POST_MODIFY address.
1929 * reload1.c (inc_for_reload): Use find_replacement on the original
1930 base and index registers.
1932 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1934 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1935 for -Os. Update __m128 alignment requirement.
1937 2006-09-13 Jan Hubicka <jh@suse.cz>
1939 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1941 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1943 PR rtl-optimization/28243
1944 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1945 the insn to which the note was originally attached.
1947 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1948 Roger Sayle <roger@eyesopen.com>
1950 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1951 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1952 on platforms that don't use dwarf for debug info.
1954 2006-09-12 Jason Merrill <jason@redhat.com>
1957 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1958 hard_frame_pointer_rtx after using it to update the frame pointer.
1960 2006-09-12 Roger Sayle <roger@eyesopen.com>
1962 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1963 (TARGET_ASM_CLOSE_PAREN): Likewise.
1964 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1965 (TARGET_ASM_CLOSE_PAREN): Likewise.
1967 2006-09-12 Roger Sayle <roger@eyesopen.com>
1970 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1971 frame information for frames larger than 512 Kbytes on Tru64 when
1972 using the native assembler.
1974 2006-09-12 Roger Sayle <roger@eyesopen.com>
1978 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1979 and symbols. Instead use the implementation from cse.c's hash_rtx.
1981 2006-09-12 Jan Hubicka <jh@suse.cz>
1983 PR rtl-optimization/28071
1984 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1985 (vect_transform_loop): Likewise.
1986 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1987 (new_loop_vec_info): Likewise.
1988 (destroy_loop_vec_info): Likewise.
1989 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1990 (create_stmt_ann): Likewise.
1991 (create_tree_ann): Rename to ...
1992 (create_tree_common_ann): ... this one; allocate only the common part
1994 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1995 (get_value_handle): Likewise.
1996 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1997 get_tree_common_ann.
1998 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1999 (vinfo_for_stmt): Use stmt annotations.
2000 * tree-flow.h (tree_ann_common_t): New type.
2001 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2002 (tree_ann, get_tree_ann, create_tree_ann): New.
2003 * tree-flow-inline.h (get_function_ann): Do more type checking.
2004 (stmt_ann): Likewise.
2005 (tree_ann): Rename to ...
2006 (tree_common_ann): ... this one; return ony common_ann
2007 (get_tree_ann): Rename to ...
2008 (tree_common_ann): This one; return only common_ann.
2009 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2012 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2014 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2015 with_cpu by default.
2017 * dwarf2out.c (dwarf_file_data): New.
2018 (enum dw_val_class): Add dw_val_class_file.
2019 (struct dw_val_struct): Add val_file.
2020 (file_table): Change to a hash table.
2021 (file_table_emitted): Delete.
2022 (file_table_last_lookup_index): Delete.
2023 (emitcount): Delete.
2024 (last_emitted_file): New.
2025 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2026 (init_file_table): Delete.
2027 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2028 (AT_addr): Add comment.
2032 (print_die): Handle dw_val_class_file.
2033 (print_dwarf_line_table): Update for new file table structure.
2034 (attr_checksum): Do checksum a filename.
2035 (same_dw_val_p, same_attr_p): Do compare a filename.
2036 (size_of_die): Handle dw_val_class_file.
2037 (value_format): Likewise.
2038 (output_die): Likewise. Also, call maybe_emit_file here.
2039 (struct file_info): Constify filenames. Make file_idx a pointer
2040 to a struct dwarf_file_data.
2041 (struct dir_info): Constify directory names. Remove 'used' field.
2042 (struct file_name_acquire_data): New.
2043 (file_name_acquire): New.
2044 (output_file_names): Modify to handle new file data structures.
2045 (add_src_coords_attributes): Use add_AT_file.
2046 (add_call_src_coords_attributes): Likewise.
2047 (dwarf2out_imported_module_or_decl): Likewise.
2048 (gen_subprogram_die): Modify for new file data structures.
2049 (gen_variable_die): Likewise.
2050 (file_table_eq): New.
2051 (file_table_hash): New.
2052 (file_table_last_lookup): New.
2053 (lookup_filename): Rewrite to handle new file data structures.
2054 (maybe_emit_file): Rewrite to handle new file data structures.
2055 (dwarf2out_source_line): Always call lookup_filename and
2057 (dwarf2out_init): Create file_table here.
2058 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2059 (file_table_relative_p): New.
2060 (dwarf2out_finish): Change detection of relative filenames
2061 to work with new file data structures. Move output_line_info call
2062 after debug_info output.
2064 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2069 * config/i386/i386.c (override_options): Always default to 16
2070 byte stack boundary.
2072 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2075 * var-tracking.c (dump_dataflow_set): Start dumping at
2077 (clobber_variable_part): Kill only the variable part in
2078 registers holding it, leaving other variables alone.
2080 2006-09-11 Josh Triplett <josh@freedesktop.org>
2082 * doc/extend.texi (Other Builtins): Actually use the macro
2083 argument in the documentation example for
2084 __builtin_types_compatible_p.
2086 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2088 PR rtl-optimization/28726
2089 * sched-deps.c (sched_analyze_reg): New function extracted from...
2090 (sched_analyze_1): ...here. Call it to analyze references to
2091 registers. Treat again writes to a stack register as writing to the
2093 (sched_analyze_2): ...and here. Call it to analyze references to
2094 registers. Treat again reads of a stack register as reading the
2097 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2098 David Edelsohn <edelsohn@gnu.org>
2101 * config/rs6000/spe.md (frob_df_di): Remove %H.
2102 (frob_di_df): Remove %H. Change evmergelo to mr.
2103 (frob_di_df_2): Remove %H. Change evldd to two loads.
2105 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2107 * doc/cpp.texi: Fix names of charset options.
2109 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2112 * config/i386/i386.c (override_options): Use 128-bit
2113 stack boundary always for 64bits.
2115 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2117 PR rtl-optimization/28636
2118 * combine.c (force_to_mode): Test for side-effects before
2119 substituting by zero.
2120 (simplify_shift_const): Likewise for zero or other constants.
2122 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2125 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2128 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2131 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2132 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2133 returned by mode_for_size, rather than the mode of src itself,
2134 to choose between 32-bit and 64-bit patterns.
2135 (mips_mem_fits_mode_p): New function.
2136 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2137 that the size of the source matches the size of the destination.
2138 (mov_<store>l, mov_<store>r): Likewise.
2140 2006-09-10 Eric Christopher <echristo@apple.com>
2142 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2145 2006-09-09 Eric Christopher <echristo@apple.com>
2148 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2151 2006-09-09 Roger Sayle <roger@eyesopen.com>
2152 Nicolas Setton <setton@adacore.com>
2154 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2156 2006-09-10 Andreas Schwab <schwab@suse.de>
2158 * config/m68k/m68k.md (bungt_rev): New pattern.
2160 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2161 Dale Johannesen <dalej@apple.com>
2164 * regclass.c (struct reg_pref): Update documentation.
2165 (regclass): Set prefclass to NO_REGS if memory is the best option.
2166 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2168 2006-09-08 Eric Christopher <echristo@apple.com>
2170 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2171 * config/t-slibgcc-darwin: Support x86_64 multilib.
2172 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2173 Return 1 for x86_64-darwin.
2174 * config/i386/t-darwin: Add m64 multilib.
2175 (LIB2_SIDITI_CONV_FUNCS): Use.
2176 (LIB2FUNCS_EXTRA): Ditto.
2177 * config/i386/darwin.h: Support x86_64.
2178 * config/i386/i386.c (override_options): Turn on flag_pic
2179 for x86_64-darwin. Disable flag_omit_pointer.
2180 (get_pc_thunk_name): Assert !TARGET_64BIT.
2181 (legitimate_address_p): Disable machopic addressing for
2183 (legitimize_pic_address): Ditto.
2184 (ix86_expand_move): Ditto.
2185 (ix86_expand_call): Ditto.
2186 (machopic_output_stub): Ditto.
2187 * config/darwin.c (machopic_select_section): Support literal16.
2188 (machopic_select_rtx_section): Ditto.
2189 * config/darwin-sections.def: Ditto.
2190 * config/darwin-64.c: New.
2192 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2195 * c-tree.h (struct c_arg_info): Add pending_sizes.
2196 * c-parser.c (c_parser_parms_declarator,
2197 c_parser_parms_list_declarator): Initialize pending_sizes.
2198 * c-decl.c (get_parm_info): Initialize pending_sizes.
2199 (get_parm_info): Set pending_sizes.
2200 (grokdeclarator): Call put_pending_sizes for parameters for
2201 function definition only.
2203 2006-09-07 Jason Merrill <jason@redhat.com>
2206 * varasm.c (output_constant): Only strip actual no-op conversions.
2209 * config/i386/i386.c (override_options): Use 128-bit
2210 stack boundary if -msse.
2212 2006-09-07 Eric Christopher <echristo@apple.com>
2214 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2216 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2219 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2221 * dwarf2out.c: Remove strange characters from comment above
2222 dwarf2out_frame_debug_expr.
2224 2006-09-07 Eric Christopher <echristo@apple.com>
2226 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2227 * config/darwin.h: ... to here.
2229 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2231 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2233 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2234 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2236 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2237 TARGET_PARTIAL_FLAG_REG_STALL.
2238 (*ashldi3_cconly_rex64): Likewise.
2239 (*ashlsi3_cmp): Likewise.
2240 (*ashlsi3_cconly): Likewise.
2241 (*ashlsi3_cmp_zext): Likewise.
2242 (*ashlhi3_cmp): Likewise.
2243 (*ashlhi3_cconly): Likewise.
2244 (*ashlqi3_cmp): Likewise.
2245 (*ashlqi3_cconly): Likewise.
2246 (*ashrdi3_cmp_rex64): Likewise.
2247 (*ashrdi3_cconly_rex64): Likewise.
2248 (*ashrsi3_cmp): Likewise.
2249 (*ashrsi3_cconly): Likewise.
2250 (*ashrsi3_cmp_zext): Likewise.
2251 (*ashrhi3_cmp): Likewise.
2252 (*ashrhi3_cconly): Likewise.
2253 (*ashrqi3_cmp): Likewise.
2254 (*ashrqi3_cconly): Likewise.
2255 (*lshrdi3_cmp_rex64): Likewise.
2256 (*lshrdi3_cconly_rex64): Likewise.
2257 (*lshrsi3_cmp): Likewise.
2258 (*lshrsi3_cconly): Likewise.
2259 (*lshrsi3_cmp_zext): Likewise.
2260 (*lshrhi3_cmp): Likewise.
2261 (*lshrhi3_cconly): Likewise.
2262 (*lshrqi2_cmp): Likewise.
2263 (*lshrqi2_cconly): Likewise.
2265 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2268 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2269 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2270 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2271 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2272 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2273 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2274 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2275 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2276 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2277 implement only CC setting effects of shift instructions.
2279 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2281 * doc/contrib.texi: Add myself.
2283 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2286 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2287 was set by the user.
2289 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2292 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2293 (divsi_inv_m1): Use them.
2294 (UNSPEC_DIV_INV_TABLE): New constant.
2296 2006-09-06 James E Wilson <wilson@specifix.com>
2299 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2300 then call count_or_remove_death_notes.
2302 2006-09-06 Jason Merrill <jason@redhat.com>
2305 * tree-inline.c (copy_result_decl_to_var): New fn.
2306 (declare_return_variable): Use it. Call declare_inline_vars here.
2307 (expand_call_inline): Not here.
2309 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2311 * doc/contrib.texi: Update my entry.
2313 2006-09-06 Nick Clifton <nickc@redhat.com>
2315 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2317 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2320 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2321 (canonicalize_induction_variables): Likewise.
2322 (tree_unroll_loops_completely): Likewise.
2323 (tree_ssa_prefetch_arrays): Likewise.
2324 (remove_empty_loops): Likewise.
2325 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2326 TODO_cleanup_cfg instead of directly calling
2327 cleanup_tree_cfg_loop.
2328 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2330 (tree_unroll_loops_completely): Likewise.
2331 (remove_empty_loops): Likewise.
2332 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2333 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2334 of tree_ssa_unswitch_loops.
2335 (tree_ssa_loop_ivcanon): Use the return value of
2336 canonicalize_induction_variables.
2337 (tree_ssa_empty_loop): Use the return value of
2339 (tree_complete_unroll): Use the return value of
2340 tree_unroll_loops_completely.
2341 (tree_ssa_loop_prefetch): Use the return value of
2342 tree_ssa_prefetch_arrays.
2343 * passes.c (execute_todo): Before Cleanup CFG, set
2344 updating_used_alone and after cleanup CFG, call
2345 recalculate_used_alone.
2347 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2350 * tree-vect-transform.c (vectorizable_condition): Move the check
2351 for the type after the check for simple condition.
2353 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2354 Kaz Kojima <kkojima@gcc.gnu.org>
2357 * mode-switching.c (optimize_mode_switching): Make the destination
2358 block of an abnormal edge have no anticipatable mode. Don't
2359 insert mode switching code at the end of the source block of
2362 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2364 PR rtl-optimization/26847
2365 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2366 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2367 (simplify_plus_minus): Count n_constants while filling ops. Replace
2368 qsort with insertion sort. Before going through the array to simplify
2369 pairs, sort it. Delay early exit until after the first sort, exiting
2370 only if no swaps occurred. Simplify pairs in reversed order, without
2371 special-casing the first iteration. Pack ops after simplifying pairs.
2373 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2375 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2376 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2377 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2378 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2380 2006-09-05 Richard Guenther <rguenther@suse.de>
2382 PR tree-optimization/28900
2383 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2384 compound conditional before creating COND_EXPR condition.
2386 2006-09-05 Richard Guenther <rguenther@suse.de>
2388 PR tree-optimization/28905
2389 * tree-vrp.c (fix_equivalence_set): Manually implement
2390 !value_ranges_intersect_p to also handle symbolic ranges.
2392 2006-09-05 Richard Guenther <rguenther@suse.de>
2395 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2398 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2400 PR rtl-optimization/27616
2401 * cse.c (table_size): New static variable.
2402 (new_basic_block): Initialize it to 0.
2403 (remove_from_table): Decrement it.
2404 (insert): Increment it.
2405 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2406 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2407 fold_rtx_mem_1 if under the cap.
2408 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2409 the lookup of the equivalent expression and test for equality of the
2410 first operand of the equivalent expression before in turn looking up
2411 an equivalent constant for the second operand.
2413 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2416 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2417 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2418 pointer, instead of assuming it is possible to derive the
2419 correct args size from a call insn.
2421 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2424 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2425 (fold_builtin_mempcpy): Rename to...
2426 (fold_builtin_memory_op): ... this. Optimize one element copy
2428 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2430 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2431 (expand_builtin_memcpy, expand_builtin_mempcpy,
2432 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2433 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2434 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2435 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2437 2006-09-01 DJ Delorie <dj@redhat.com>
2439 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2440 (stzx_16): Likewise.
2441 ("stzx_24_<mode>"): Likewise.
2442 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2443 ("cmp<mode>_op"): New.
2444 (cmp<mode>): Change to expander; just save operands.
2446 (b<code>): Change to expander, emit compare here.
2447 (s<code>_op): Change to use split and expander.
2448 (s<code>_24_op): Likewise.
2449 (s<code>_<mode>): New.
2450 (s<code>_<mode>_24): New.
2451 (movqicc_<code>_<mode): New.
2452 (movhicc_<code>_<mode>): New.
2455 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2456 (m32c_pend_compare): New.
2457 (m32c_unpend_compare): New.
2458 (m32c_expand_scc): New.
2459 (m32c_expand_movcc): Emit the compare also.
2460 * config/m32c/predicates.md (mra_nopp_operand): New.
2462 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2463 Richard Guenther <rguenther@suse.de>
2464 Adam Nemet <anemet@caviumnetworks.com>
2467 * builtins.c (get_pointer_alignment): Handle more forms
2468 of base addresses that can be used to derive more precise
2469 information about alignment.
2471 2006-09-01 Jason Merrill <jason@redhat.com>
2474 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2477 * gimplify.c (voidify_wrapper_expr): Handle null type.
2479 2006-09-01 Josh Conner <jconner@apple.com>
2482 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2483 (execute_return_slot_opt): Use it.
2485 2006-08-31 Josh Conner <jconner@apple.com>
2488 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2489 returning aggregates.
2491 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2493 PR tree-optimization/28839
2494 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2495 blocks in that phi arguments appear.
2497 2006-08-31 Roger Sayle <roger@eyesopen.com>
2500 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2501 NULL, otherwise use an advance_loc4 to adjust relative to the
2503 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2504 (dwarf2out_switch_text_section): Reset the current label to avoid
2505 using advance_loc4 over section boundaries.
2507 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2510 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2511 r12 + SYMBOLIC_CONST.
2513 2006-08-30 Richard Guenther <rguenther@suse.de>
2515 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2517 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2519 PR rtl-optimization/27735
2520 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2521 Add new argument to keep track of whether an irreducible region
2522 was affected. All callers changed.
2523 (fix_irreducible_loops): Removed.
2524 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2525 flags were invalidated.
2527 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2529 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2530 instead of SF operands.
2531 (*fop_df_comm_sse): Likewise.
2532 (*fop_df_comm_i387): Likewise.
2533 (*fop_df_1_mixed): Likewise.
2534 (*fop_df_1_sse): Likewise.
2536 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2537 J"orn Rennecke <joern.rennecke@st.com>
2539 PR tree-optimization/17506
2540 * tree-ssa.c (warn_uninit): If warning about a location outside of
2541 the current function, note where the variable was declared.
2543 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2545 PR tree-optimization/28411
2546 * double-int.c (double_int_div): Use double_int_divmod.
2547 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2548 double_int_mod, double_int_smod, double_int_umod): New functions.
2549 * double-int.h (double_int_divmod, double_int_sdivmod,
2550 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2552 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2554 (get_computation_aff, get_computation_cost_at): Handle double_int
2555 return type of constant_multiple_of.
2557 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2560 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2561 an implicit conversion.
2563 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2565 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2567 2006-08-27 Roger Sayle <roger@eyesopen.com>
2569 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2572 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2574 * config/i386/crtfastmath.c: Fix a comment typo.
2576 2006-08-26 Roger Sayle <roger@eyesopen.com>
2578 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2579 temporary visit flags on CASE_LABEL_EXPRs.
2580 * c-common.c (match_case_to_enum): Add function comment. Avoid
2581 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2582 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2583 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2584 a constant, only warn if that constant value isn't handled.
2586 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2589 * input.h (restore_input_file_stack): Declare.
2590 (INPUT_FILE_STACK_BITS): Define.
2591 * toplev.c (fs_p, input_file_stack_history,
2592 input_file_stack_restored, restore_input_file_stack): New.
2593 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2594 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2595 (pop_srcloc): Don't free old state of stack.
2597 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2600 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2601 (PowerPC Type Attributes): New.
2603 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2605 * config/xtensa/xtensa.c (function_arg_boundary): New.
2606 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2608 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2609 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2611 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2614 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2617 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2619 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2620 (verify_local_live_at_start): Likewise.
2622 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2625 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2626 omp_add_variable): Treat sizes as variable whenever not
2629 2006-08-26 Richard Guenther <rguenther@suse.de>
2632 * fold-const.c (fold_binary): Fold temporary to correct
2633 type before constructing new comparison.
2635 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2638 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2639 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2641 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2644 * c-decl.c (start_function): Don't try to process prototype
2645 information from old declaration that isn't a function.
2647 2006-08-25 Jan Hubicka <jh@suse.cz>
2650 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2652 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2655 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2658 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2660 PR tree-optimization/16876
2661 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2662 exit if PARM doesn't match VALUE.
2664 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2666 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2667 literal_prefix directive.
2668 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2669 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2670 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2672 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2675 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2676 predicate to general_operand. Add 0->y and I->r alternatives.
2678 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2680 * doc/tm.texi: Fix a typo.
2681 * predict.c: Fix comment typos.
2683 2006-08-25 Nick Clifton <nickc@redhat.com>
2685 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2686 assertions of "cpu" and "machine".
2688 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2691 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2692 the access through a base which has an alias set of 0 cannot
2695 2006-08-24 Bill Wendling <wendling@apple.com>
2697 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2699 2006-08-24 Jan Hubicka <jh@suse.cz>
2701 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2703 2006-08-24 Jan Hubicka <jh@suse.cz>
2706 * cgraph.c: Fix comments.
2707 (cgraph_varpool_mark_needed_node): Mark only variables not already
2709 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2710 (cgraph_varpool_assembled_nodes_queue): New static variable.
2711 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2712 (cgraph_varpool_output_debug_info): New function.
2713 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2714 * Makefile.in: Add gt-cgraphunit.h
2716 2006-08-24 Jan Hubicka <jh@suse.cz>
2718 * predict.c (probability_reliable_p): New predicate.
2719 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2720 (predict_loops): Do not predict loop exit with less than 2%
2722 * basic-block.h (edge_probability_reliable_p,
2723 br_prob_note_reliable_p): Declare.
2724 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2725 prediction when static predictor is not reliable.
2726 * rs6000.c (output_cbranch): Likewise.
2728 2006-08-23 Stuart Hastings <stuart@apple.com>
2731 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2732 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2734 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2737 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2738 complex values, nor for generic vector values.
2740 2006-08-22 Richard Guenther <rguenther@suse.de>
2743 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2744 parameter. Convert arguments to arithmetic expression to the
2746 (analyze_scalar_evolution_1): Adjust caller.
2748 2006-08-22 Jan Hubicka <jh@suse.cz>
2750 Patch by Paolo Bonzini
2751 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2754 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2756 PR tree-optimization/28003
2757 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2758 before grouping aliases.
2760 2006-08-22 Roger Sayle <roger@eyesopen.com>
2762 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2763 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2765 2006-08-21 Jason Merrill <jason@redhat.com>
2768 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2769 wrapper. Loop to handle nested wrappers.
2770 (gimplify_bind_expr): Remove temp parameter.
2771 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2772 and STATEMENT_LIST on the rhs.
2773 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2774 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2775 (gimplify_target_expr): Remove special BIND_EXPR handling.
2777 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2779 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2782 2006-08-21 Olivier Hainque <hainque@adacore.com>
2784 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2785 Arrange for the temporary captures of components overlapping the lhs
2786 to happen before the lhs is possibly cleared.
2788 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2790 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2791 necessary places to pass the correct "number of registers" values
2794 2006-08-20 Jan Hubicka <jh@suse.cz>
2796 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2797 (create_name_tags): Instead of quadratic checking use hashtable.
2798 * bitmap.h: Include hashtab.h.
2799 (bitmap_hash): Declare.
2800 * bitmap.c (bitmap_hash): New function.
2802 2006-08-20 Jan Hubicka <jh@suse.cz>
2804 PR rtl-optimization/28071
2805 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2807 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2808 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2809 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2810 cgraph_decide_inlining_incrementally): Update use of
2811 cgraph_check_inline_limits.
2812 * cgraph.c (edge_hash, edge_eq): New function.
2813 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2814 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2815 cgraph_remove_node): Maintain call site hash.
2816 * cgraph.h (struct cgraph_node): Add call_site_hash.
2817 (cgraph_set_call_stmt): New function.
2819 2006-08-20 Jan Hubicka <jh@suse.cz>
2821 PR rtl-optimization/28071
2822 * reload1.c (reg_has_output_reload): Turn into regset.
2823 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2824 choose_reload_regs, emit_reload_insns): Update to new
2825 reg_has_output_reload.
2827 2006-08-20 Jan Hubicka <jh@suse.cz>
2830 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2831 function body sizes.
2832 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2834 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2837 * tree.c (handle_dll_attribute): Return early if not a
2838 var or function decl.
2840 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2843 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2844 alignment of SPE vector types.
2846 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2848 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2850 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2853 * cgraph.h (struct cgraph_node): Remove externally_visible
2855 * cgraphunit.c (process_function_and_variable_attributes): Set
2856 local.externally_visible rather than externally_visible.
2859 * c-common.c (handle_externally_visible_attribute): First look
2860 at TREE_CODE and only if it is function or var decl, check for
2861 non-public objects. Don't warn for DECL_EXTERNAL.
2862 * cgraphunit.c (process_function_and_variable_attributes): Warn
2863 if externally_visible attribute is used on non-public object.
2865 2006-08-17 Jan Hubicka <jh@suse.cz>
2867 PR tree-optimization/27865
2868 * reload1.c (forget_marked_reloads): New function.
2869 (forget_old_reloads_1): When data are passed, just mark the registers
2871 (reload_as_needed): Use the new mechanizm.
2873 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2876 * reload.h (reg_equiv_alt_mem_list): New declaration.
2877 * reload1.c (reg_equiv_alt_mem_list): New definition.
2878 (reload): Initialize it and release it.
2879 (delete_output_reload): Use it.
2880 * reload.c (push_reg_equiv_alt_mem): New function.
2881 (find_reloads_toplev): Call it.
2882 (find_reloads_address, find_reloads_address_1): Likewise.
2883 (find_reloads_subreg_address): Likewise.
2885 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2887 PR rtl-optimization/28489
2888 * sched-ebb.c (begin_schedule_ready): Create basic block
2890 (advance_target_bb): Skip empty blocks.
2891 * haifa-sched.c (bb_note): Make global.
2892 * sched-int.h (bb_note): Add prototype.
2894 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2896 PR tree-optimization/27865
2897 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2899 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2900 fold_used_pointer, pointer_used_p): New functions.
2901 (analyze_scalar_evolution_1): Use fold_used_pointer.
2902 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2903 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2906 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2909 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2910 or the INTEGER_CST. Fail on a CALL_EXPR.
2911 (fold_offsetof): Pass new argument to fold_offsetof_1.
2912 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2913 operand into an INDIRECT_REF.
2914 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2916 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2918 PR gcov/profile/26570
2919 * value-prof.c (static_values): Removed.
2920 (tree_find_values_to_profile): Do not set static_values.
2921 (find_values_to_profile): Do not free static_values.
2922 * profile.c (instrument_values): Do not free the values.
2923 (branch_prob): Free the values.
2925 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2927 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2929 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2932 * c-typeck.c (build_component_ref): Combine qualifiers of
2933 structure or union and field.
2935 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2937 PR rtl-optimization/28071
2938 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2939 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2940 * tree-into-ssa.c (struct dom_dfsnum): New.
2941 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2943 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2944 compute_global_livein.
2945 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2946 in phi nodes in the correct blocks.
2948 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2950 PR tree-optimization/28364
2951 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2953 (fold_affine_expr): New function.
2954 (may_eliminate_iv): Use fold_affine_expr.
2956 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2959 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2962 2006-08-16 Mike Stump <mrs@apple.com>
2964 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2965 * doc/cppopts.texi (-MD): Likewise.
2967 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2970 * c-common.c (handle_weak_attribute): Ignore and warn if
2971 not a FUNCTION_ or VAR_DECL.
2973 2006-07-15 Mike Stump <mrs@apple.com>
2976 * c-parser.c (c_parser_typeof_specifier): Don't use
2977 c_finish_expr_stmt, open code desired semantics instead.
2979 2006-08-15 Nick Clifton <nickc@redhat.com>
2981 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2982 fragment to tmake_file only if threads are enabled.
2983 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2984 * config/i386/t-gthr-win32: New file. ... here.
2986 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2989 * c-parser.c (c_parser_compound_statement_nostart): Reset
2990 parser->error after each statement.
2992 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2995 * omp-low.c (lower_omp_parallel): Convert t to
2996 receiver_decl's type.
2997 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2998 source before comparison.
3001 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3002 to itype in assignment to oldival2.
3004 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3008 * c-typeck.c (build_compound_expr): If the second expression
3009 is an error mark, then just return an error mark instead of
3010 creating a COMPOUND_EXPR.
3012 2006-07-14 Mike Stump <mrs@apple.com>
3014 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3016 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3018 * c-decl.c, var-tracking.c: Fix comment typos.
3020 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3022 PR rtl-optimization/28634
3023 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3024 for floating-point modes unless flag_unsafe_math_optimizations.
3026 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3027 Andrew Pinski <pinskia@physics.uc.edu>
3030 * tree.c (build_array_type): Unify array types with
3031 unspecified index_type.
3032 * c-decl.c (grokdeclarator): Make sure we do not modify a
3033 unified incomplete array type.
3034 * c-typeck.c (store_init_value): Create distinct type before
3035 filling in the index type in an initializer from a compound
3038 * c-decl.c (grokdeclarator): Remove code where we copy the
3041 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3043 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3044 into account for TODO_dump_cgraph.
3045 (TODO_update_ssa_no_phi): Likewise.
3046 (TODO_update_ssa_full_phi): Likewise.
3047 (TODO_update_ssa_only_virtuals): Likewise.
3048 (TODO_remove_unused_locals): Likewise.
3049 (TODO_set_props): Likewise.
3050 (TODO_update_stmt_usage): Likewise.
3052 2006-08-13 Dirk Mueller <dmueller@suse.de>
3054 * c-common.c (strict_aliasing_warning): Fix formatting.
3056 2006-08-13 Matthias Klose <doko@debian.org>
3058 * doc/invoke.texi: Fix spelling errors.
3060 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3062 PR rtl-optimization/23454
3063 * reorg.c (relax_delay_slots): Update comment.
3065 2006-08-11 Richard Guenther <rguenther@suse.de>
3068 * simplify-rtx.c (simplify_const_relational_operation):
3069 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3072 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3074 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3075 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3077 2006-08-10 Paul Brook <paul@codesourcery.com>
3079 * final.c (final_scan_insn): Clear current_insn_predicate before
3080 outputting inline asm.
3082 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3084 PR tree-optimization/26197
3085 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3086 get_ref_base_and_extent and overlap_subvar to add only relevant
3087 subvars as may-aliases.
3088 (add_may_alias_for_new_tag): New function, factored out of
3090 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3091 with additional argument.
3092 * tree-flow.h (new_type_alias): Takes additional argument.
3094 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3096 * gcov.c (no_data_file): New flag.
3097 (read_count_file): Set it if data file not present. Assume counts
3099 (output_lines): Don't name the data file, if there wasn't one.
3101 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3103 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3104 (rs6000_generate_compare): Tweak comments.
3105 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3107 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3109 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3110 (var_debug_decl): New function.
3111 (var_reg_set): Follow debug decl link. Add location even if
3112 reg is already known to hold some other variable.
3113 (var_mem_set): Follow debug decl link.
3114 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3115 decl link. Delete other known locations of the variable part
3117 (var_reg_delete, var_mem_delete): Delete other known locations
3118 of the variable part if requested.
3119 (same_variable_part_p): New function.
3120 (add_stores): Select MO_COPY when appropriate.
3121 (vt_initialize): Handle it.
3122 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3123 known locations for MO_SET and MO_CLOBBER.
3124 (find_variable_location_part): New function.
3125 (set_variable_part, delete_variable_part): Use it.
3126 (clobber_variable_part): New function.
3127 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3130 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3132 PR tree-optimization/26969
3133 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3134 with an empty list of PHIs.
3136 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3140 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3143 2006-08-06 Andreas Schwab <schwab@suse.de>
3145 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3146 string. Whitespace and comment fixup.
3148 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3151 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3155 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3158 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3160 2006-08-04 Jan Hubicka <jh@suse.cz>
3164 * reload.c (push_reload): Patch out the mismatching instruction;
3166 (find_reload): Bail out if the instruction was patched out.
3168 2006-08-04 Jan Hubicka <jh@suse.cz>
3170 PR tree-optimization/24888
3171 * tree-inline.c (expand_call_inline): Do not re-record variables.
3172 (declare_inline_vars): Add variable to unexpanded_var_list.
3174 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3175 Roger Sayle <roger@eyesopen.com>
3177 PR rtl-optimization/26244
3178 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3179 inner_const are negative or greater than or equal to the bitsize of
3180 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3181 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3182 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3183 CONST0_RTX (mode) when the new shift count is greater than or equal to
3184 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3187 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3189 * tree-cfg.c: Fix a comment typo.
3191 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3194 * varasm.c (output_constant): Give the front end another chance to
3195 expand constants, after stripping NOPs.
3197 2006-08-03 Jan Hubicka <jh@suse.cz>
3199 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3202 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3204 PR tree-optimization/27770
3205 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3206 declaration removed (moved to tree-flow.h).
3207 (vect_can_force_dr_alignment_p): Likewise.
3208 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3209 (moved from tree-vectorizer.h).
3210 (vect_can_force_dr_alignment_p): Likewise.
3211 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3212 from outside the vectorizer - in particular from cgraph stage.
3213 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3214 the alignment of global arrays when -fsection-anchors is enabled.
3215 * cgraphunit.c (cgraph_increase_alignment): New function.
3216 (cgraph_optimize): Call cgraph_increase_alignment.
3218 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3221 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3222 not reload a SPE symbol_ref into a lo_sum address.
3224 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3227 * dwarf2out.c (prune_unused_types_prune): Move call to
3228 prune_unused_types_update_strings to cover the parent DIE also.
3230 2006-08-02 Jan Hubicka <jh@suse.cz>
3232 PR gcov/profile/28480
3233 * tree-cfg.c (change_bb_for_stmt): New function.
3234 (tree_merge_blocks, tree_split_blocks): Use it.
3236 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3242 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3243 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3244 (cgraph_optimize): Likewise.
3246 2006-08-01 Stuart Hastings <stuart@apple.com>
3248 * rtl.h (UINTVAL) New.
3249 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3250 * testsuite/gcc.dg/20060801-1.c: New.
3252 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3255 * c-typeck.c (build_external_type): Mark used enum types.
3256 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3258 (gen_subprogram_die): Whitespace fix.
3260 2006-08-01 Jan Hubicka <jh@suse.cz>
3262 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3263 bitmap when not needed.
3264 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3267 2006-08-01 Dirk Mueller <dmueller@suse.de>
3269 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3271 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3273 * Makefile.in: Revert part of previous patch:
3274 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3277 2006-07-30 Eric Christopher <echristo@apple.com>
3280 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3281 (PowerPC Variable Attributes): New section.
3283 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3285 PR target/28126 (partial fix)
3286 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3288 2006-07-28 Jan Hubicka <jh@suse.cz>
3290 PR rtl-optimization/28071
3291 * cfgrtl.c (rtl_delete_block): Free regsets.
3292 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3294 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3296 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3297 and variables used in dependencies.
3299 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3301 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3302 %fs for -mcmodel=kernel.
3303 (stack_tls_protect_test_di): Likewise.
3305 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3307 * Makefile.in: Use mkinstalldirs.
3309 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3312 * opts-common.c (prune_options): Skip joined switches.
3314 2006-07-27 Jan Hubicka <jh@suse.cz>
3316 PR rtl-optimization/28071
3317 * cselib.c (cselib_process_insn): Don't remove useless values too
3318 often for very large hashtables.
3320 2006-07-27 Jan Hubicka <jh@suse.cz>
3322 PR rtl-optimization/28071
3323 * global.c (greg_obstack): New obstack.
3324 (allocate_bb_info): Use it.
3325 (free_bb_info): Likewise.
3326 (modify_reg_pav): Likewise.
3328 2006-07-27 Roger Sayle <roger@eyesopen.com>
3330 * builtins.c (fold_fixed_mathfn): When long and long long are the
3331 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3332 functions to their lceil*, lfloor*, lround* and lrint* forms.
3334 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3337 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3339 (rev_branch_insn): Likewise.
3341 2006-07-27 Jan Hubicka <jh@suse.cz>
3343 PR rtl-optimization/28071
3344 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3345 (reg_set_in_bb, max_reg_computed): New static variables.
3346 (regmove_optimize): Free the new array.
3347 (fixup_match_1): Update call of reg_is_remote_constant_p.
3349 2006-07-26 Jan Hubicka <jh@suse.cz>
3351 PR tree-optimization/27882
3352 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3354 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3356 (cgraph_analyze_compilation_unit): Likewise.
3357 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3358 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3359 (cgraph_early_inlinine): Make order garbage collected.
3360 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3362 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3364 * dbxout.c (output_types_sort): Add a comment.
3365 (output_used_types): Free the VEC.
3367 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3369 * function.c (reorder_fix_fragments): Delete.
3370 (reorder_blocks): Don't call it.
3371 (reorder_blocks_1): Put all subblocks under the origin block.
3373 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3375 PR rtl-optimization/27907
3376 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3379 2006-07-25 Roger Sayle <roger@eyesopen.com>
3382 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3383 bar(x) check that bar's result type can represent all the values of T.
3385 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3387 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3389 2006-07-25 Nick Clifton <nickc@redhat.com>
3391 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3392 size_lookup[] array.
3393 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3394 (ggc_pch_count_object): Likewise.
3395 (ggc_pch_alloc_object): Likewise.
3396 (ggc_pch_write_object): Likewise.
3397 (init_ggc): Do not attempt to initialize entries in the
3398 size_lookup[] array for objects whose size is greater than than
3399 the length of the array.
3401 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3403 * dbxout.c (output_used_types_helper): Push queued types
3405 (output_types_sort): New.
3406 (output_used_types): Collect used types on a VEC and sort them
3409 2006-07-24 Richard Guenther <rguenther@suse.de>
3412 * cgraph.c (cgraph_remove_node): Do not check if dumps
3414 * cgraphunit.c (cgraph_optimize): Likewise.
3416 2006-07-24 Jan Hubicka <jh@suse.cz>
3418 PR rtl-optimization/28071
3419 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3420 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3421 splitting before first stmt.
3423 2006-07-24 Jan Hubicka <jh@suse.cz>
3425 PR rtl-optimization/28071
3426 * ipa-inline.c (update_caller_keys): Remove edges that
3427 are no longer inline candidates.
3429 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3432 * dbxout.c (output_used_types_helper, output_used_types): New.
3433 (dbxout_symbol): Call output_used_types.
3435 2006-07-23 Jan Hubicka <jh@suse.cz>
3439 * cgraph.c (cgraph_varpool_nodes): Export.
3440 (decide_is_variable_needed): Ignored "used" attribute in
3441 unit-at-a-time mode.
3442 * cgraph.h (cgraph_varpool_nodes): Declare.
3443 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3444 unit-at-a-time mode.
3446 2006-07-23 Roger Sayle <roger@eyesopen.com>
3449 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3450 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3451 the __gthrw form of thr_keycreate.
3452 (__gthread_key_delete): Silence the unused argument warning.
3454 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3457 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3458 Cache the last found '\0' marker to avoid quadratic behavior.
3460 2006-07-23 Jan Hubicka <jh@suse.cz>
3462 * i386.md (subsi_3_zext): Fix output template.
3464 2006-07-21 Mike Stump <mrs@apple.com>
3466 * doc/invoke.texi (C++ Dialect Options): Note that
3467 -fvisibility-inlines-hidden doesn't affect explicitly
3468 instantiationed inline methods.
3470 2006-07-20 Roger Sayle <roger@eyesopen.com>
3472 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3473 if the target assembler is GNU binutils' gas.
3474 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3475 whether to pass GNU gas or native as command line options.
3477 2006-07-20 Jason Merrill <jason@redhat.com>
3479 * tree.c (remove_attribute): New fn.
3480 * tree.h: Declare it.
3482 2006-07-20 Paul Brook <paul@codesourcery.com>
3485 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3486 they are invalidated by this instruction.
3488 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3491 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3493 2006-07-20 Eric Christopher <echristo@apple.com>
3496 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3498 2006-07-19 Eric Christopher <echristo@apple.com>
3500 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3501 Rewrite dependencies for libgcc_s.1.dylib.
3503 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3505 * except.c (duplicate_eh_regions_1): Clear next_peer.
3507 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3509 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3510 -mlongcall does not guarantee all calls will be long.
3511 * doc/extend.texi (long_call/short_call): Document that longcall
3512 does not guarantee a long call will be used.
3513 (longcall/shortcall): Likewise.
3515 2006-07-18 Roger Sayle <roger@eyesopen.com>
3518 * expmed.c (expand_shift): Additionally check that the shift_cost
3519 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3520 before implementing a LSHIFT_EXPR as a sequence of additions.
3521 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3522 middle-end that DImode shifts need to be synthesized by expand.
3524 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3527 * tree-ssa-operands.c (access_can_touch_variable): Update
3529 Return true if ALIAS is .GLOBAL_VAR.
3531 2006-07-18 David Daney <ddaney@avtrex.com>
3533 * gcc.c (display_help): Fix typo in help text.
3535 2006-07-18 Olivier Hainque <hainque@adacore.com>
3537 * tree.h (categorize_ctor_elements): Adjust prototype and add
3538 descriptive comment, both in accordance with the interface change
3540 * varasm.c (constructor_static_from_elts_p): New function.
3541 Whether a constructor node is a valid static constant initializer
3542 if all its elements are.
3543 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3544 * output.h: Declare it.
3545 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3546 is a valid constant initializer instead of computing the number of
3547 non-constant elements. Use constructor_static_from_elts_p for this
3548 purpose. Replace the head comment with an indication that this is a
3549 helper for categorize_ctor_elements.
3550 (categorize_ctor_elements): Same interface change as for the _1
3551 helper. Former head comment from this helper moved here, adjusted to
3552 account for the interface changes.
3553 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3554 (all_zeros_p): Likewise.
3555 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3556 static versions of the constructor from the categorize_ctor_elements
3557 return value instead of the formerly computed number of non-constant
3560 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3562 * configure: Regenerate.
3563 * Makefile.in (build_libsubdir): New configure substitution
3564 (build_libobjdir): New variable.
3565 (BUILD_LIBIBERTY): Use it.
3567 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3570 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3572 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3575 * c-common.c (handle_weakref_attribute): Ignore attribute in
3576 the same conditions the alias attribute is ignored.
3578 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3580 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3581 (dbxout_begin_prologue): Increment scope_labelno.
3583 2006-07-17 Richard Henderson <rth@redhat.com>
3586 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3589 2006-07-17 Roger Sayle <roger@eyesopen.com>
3590 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3592 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3593 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3594 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3595 functions such as sbrk, write, etc.. Add function prototypes.
3596 Convert function declarations from K&R to ISO C. Cast pointers
3597 to "long" and "unsigned long" instead of "int" and "unsigned int".
3598 Convert tokens following #endif into comments.
3600 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3602 * invoke.texi: Remove mention of f77; Reformat table for
3603 inline parameter options correctly; mention that -malign-double
3604 is default on x86-64 targets.
3606 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3608 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3609 (convert_affine_scev, chrec_convert_aggressive): Use
3610 avoid_arithmetics_in_type_p. Do not check for the subtypes
3613 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3616 * optabs.c (expand_doubleword_shift): Wrap the call to
3617 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3619 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3622 * optabs.c (expand_binop): Pass next_methods rather than methods
3623 to expand_doubleword_shift.
3625 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3628 * tree.h (dump_addr): Declare.
3629 * print-tree.c (dump_addr): New function.
3630 (print_node_brief, print_node): Use it.
3631 * print-rtl.c (print_rtx): Likewise.
3632 * common.opt (-fdump-noaddr): New option.
3633 * doc/invoke.texi (-fdump-noaddr): Document.
3634 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3635 (ve_info_hash): Likewise.
3637 2006-07-13 Andrew Haley <aph@redhat.com>
3639 PR tree-optimization/19505
3640 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3641 edge leaving this block, make sure that the destination of this
3642 block has only one predecessor.
3644 2006-07-17 Richard Guenther <rguenther@suse.de>
3646 PR tree-optimization/28238
3647 * tree-inline.c (copy_bb): Check if we produced valid
3648 gimple copying and substituting a stmt. If not, gimplify
3651 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3653 * optabs.c (maybe_encapsulate_block): New function extracted from...
3654 (emit_libcall_block): ...here. Invoke it on the block of insns to
3655 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3656 (emit_no_conflict_block): Likewise.
3658 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3660 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3662 2006-07-15 Roger Sayle <roger@eyesopen.com>
3664 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3665 a new NOP_EXPR case of the switch statement.
3667 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3670 * stor-layout.c (place_field): Take the bit field with
3671 an excessive size into account in the ms-bitfiled case.
3674 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3675 the previous bit field.
3677 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3680 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3682 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3684 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3685 signal frames correctly even when the signal was installed with
3688 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3690 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3691 (dbxout_function_end): Use local label LFBB. Remove hook
3693 (dbxout_source_line): Use local label LFBB.
3694 (dbxout_block): Likewise.
3695 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3696 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3697 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3698 and DBX_OUTPUT_NFUN.
3700 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3702 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3704 2006-07-13 Jan Hubicka <jh@suse.cz>
3706 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3708 * output.h (align_variable): Declare.
3709 * varasm.c (align_variable): Export.
3710 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3711 when basic block changed.
3713 2006-07-13 Nick Clifton <nickc@redhat.com>
3715 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3716 walking the LOG_LINKS chain.
3718 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3720 * doc/invoke.texi (C++ Dialect Options): Explain difference
3721 between -fvisibility-inlines-hidden and setting hidden
3722 visibility explicitly.
3724 2006-07-12 Eric Christopher <echristo@apple.com>
3726 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3727 (stmp-lipo): Depend on libgcc.a.
3729 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3731 * tree.c: Fix a comment typo.
3733 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3735 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3737 (umulhisi3_r): Likewise.
3739 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3742 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3743 x < 19, vs wchar_t support.
3745 2006-07-12 Nick Clifton <nickc@redhat.com>
3747 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3748 instead of -isa=sh4.
3750 2006-07-12 Mike Stump <mrs@apple.com>
3752 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3754 2006-07-10 Eric Christopher <echristo@apple.com>
3756 * config/t-slibgcc-darwin: Rewrite.
3758 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3761 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3764 2006-07-08 Matthias Klose <doko@debian.org>
3766 * doc/sourcebuild.texi: Fix typo.
3768 2006-07-07 Mike Stump <mrs@apple.com>
3770 * toplev.c (process_options): Don't give -ffunction-sections may
3771 affect debugging warning for Mach-O.
3773 2006-07-07 James E Wilson <wilson@specifix.com>
3775 * config/mips/mips.md (cpu): Add sb1a.
3776 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3777 addition to sb1. Adjust comments to clarify SB-1A differences from
3779 (ir_sb1a_load): New. Modify bypasses to use it.
3780 (ir_sb1a_simple_alu): Likewise.
3781 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3782 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3783 (mips_issue_rate): Add PROCESSOR_SB1A.
3784 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3785 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3786 (TARGET_SB1): Add PROCESSOR_SB1A check.
3787 (TUNE_SB1): Likewise.
3789 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3790 * config/mips/mips.c (mips_store_data_bypass_p): New.
3791 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3792 store_data_bypass_p.
3794 2006-07-08 Paul Brook <paul@codesourcery.com>
3797 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3799 2006-07-07 Richard Guenther <rguenther@suse.de>
3802 * tree.h (build_one_cst): Declare.
3803 * tree.c (build_one_cst): New function.
3804 * tree-ssa-math-opts.c (get_constant_one): Remove.
3805 (insert_reciprocals): Use build_one_cst.
3806 * fold-const.c (fold_plusminus_mult): Likewise.
3808 2006-07-07 Roger Sayle <roger@eyesopen.com>
3810 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3811 * cfgloopanal.c (dump_graph): Likewise.
3812 * dojump.c (discard_pending_stack_adjust): Likewise.
3813 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3815 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3816 * function.c (finalize_block_changes): Likewise.
3817 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3818 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3819 * rtl.c (dump_rtx_statistics): Likewise.
3820 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3822 * varray.c (dump_varray_statistics): Likewise.
3823 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3824 decode_decimal64, encode_decimal128, decode_decimal128,
3825 decimal_real_to_decimal): Likewise.
3827 2006-07-07 Richard Guenther <rguenther@suse.de>
3829 PR tree-optimization/28187
3830 * tree-vrp.c (vrp_operand_equal_p): New function.
3831 (vrp_bitmap_equal_p): Likewise.
3832 (update_value_range): Use them to compare old and new
3835 2006-07-06 Roger Sayle <roger@eyesopen.com>
3837 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3838 a default case to switch statement to silence compiler warnings.
3840 2006-07-06 Roger Sayle <roger@eyesopen.com>
3843 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3844 the configured assembler supports the x87's ffreep mnemonic.
3845 * configure: Regenerate.
3846 * config.in: Regenerate.
3848 * config/i386/i386.c (output_387_ffreep): New function.
3849 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3850 (output_387_reg_move): Likewise.
3852 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3854 Port to hosts whose 'sort' and 'tail' implementations
3855 treat operands with leading '+' as file names, as POSIX
3856 has required since 2001. However, make sure the code still
3857 works on pre-POSIX hosts.
3858 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3859 which says you should use "tail -c +N" rather than "tail +Nc".
3860 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3862 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3864 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3867 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3870 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3871 PRE_{INC,DEC} of TFmode.
3873 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3874 Alan Modra <amodra@bigpond.net.au>
3877 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3880 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3883 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3884 Remove duplicate gtu.
3886 2006-07-05 Jason Merrill <jason@redhat.com>
3890 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3891 * c-common.c (handle_packed_attribute): So don't copy it here.
3892 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3894 2006-07-05 Mike Stump <mrs@apple.com>
3896 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3898 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3901 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3903 2006-07-05 Richard Guenther <rguenther@suse.de>
3906 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3907 TARGET_SSE2 targets if using SSE math.
3908 (*absdf2_1): Likewise.
3910 2006-07-05 Richard Guenther <rguenther@suse.de>
3912 PR tree-optimization/28162
3913 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3914 make sure to convert the operands to the correct type.
3916 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3918 PR tree-optimization/28218
3920 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3921 to calculate and free the dominator information.
3923 2006-07-04 Peter O'Gorman <peter@pogma.com>
3925 * mklibgcc.in: chmod 644 before ranlib during install.
3927 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3928 J"orn Rennecke <joern.rennecke@st.com>
3930 * configure.ac (.eh_frame data check): Use diff -b.
3932 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3935 * Makefile.in (BUILD_RTL): Add build/vec.o.
3936 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3937 (build/genextract): Delete.
3938 (build/genautomata): Likewise.
3940 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3943 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3944 128-bit IBM long doubles for ABI_V4.
3946 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3948 * tree.c (range_in_array_bounds_p): New predicate.
3949 * tree.h (range_in_array_bounds_p): Declare it.
3950 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3951 return a less conservative answer.
3952 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3953 and flag 'is_group'.
3954 (IS_ELEMENT_FOR_GROUP): New macro.
3955 (FOR_EACH_ACTUAL_CHILD): Likewise.
3956 (next_child_for_group): New helper function.
3957 (can_completely_scalarize_p): Take into account groups.
3958 (sra_hash_tree): Handle RANGE_EXPR.
3959 (sra_elt_eq): Likewise.
3960 (lookup_element): Be prepared for handling groups.
3961 (is_valid_const_index): Delete.
3962 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3963 instead of is_valid_const_index.
3964 <ARRAY_RANGE_REF>: New case.
3965 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3966 is_valid_const_index.
3967 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3968 (scan_dump): Dump info for groups too.
3969 (decide_instantiation_1): Likewise.
3970 (decide_block_copy): Assert that the element is not a group.
3971 Propagate decision to groups.
3972 (generate_one_element_ref): Handle RANGE_EXPR.
3973 (mark_no_warning): Iterate over actual childs.
3974 (generate_copy_inout): Likewise.
3975 (generate_element_copy): Likewise.
3976 (generate_element_zero): Likewise.
3977 (generate_element_init_1): Likewise.
3978 (dump_sra_elt_name): Handle RANGE_EXPR.
3980 2006-07-03 Roger Sayle <roger@eyesopen.com>
3982 PR tree-optimization/26251
3983 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3984 (thread_block): When optimizing for size refuse to thread jumps
3985 that would require duplication of blocks other than redirection
3988 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3990 * configure.ac: Fix thinko in previous check-in.
3991 * configure: Regenerate.
3993 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3996 * configure.ac (for lang...): Simplify nesting of conditionals.
3997 Test subdir_requires for non-enabled languages. Move processing
3998 of lang_opt_files and lang_tree_fiels below that test.
3999 * configure: Regenerate.
4000 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4002 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4004 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4006 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4008 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4011 2006-06-29 Jason Merrill <jason@redhat.com>
4018 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4019 * c-common.c (c_determine_visibility): Handle it here.
4020 * c-decl.c (finish_decl): Call c_determine_visibility for
4022 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4024 * varasm.c (default_assemble_visibility): Likewise.
4025 * c-common.c (handle_visibility_attribute): Complain about trying
4026 to give visibility to an already defined class, or trying to change
4027 declared visibility. Always attach the attribute.
4032 * attribs.c (decl_attributes): Ignore type-in-place attributes
4033 once the type has been defined.
4035 2006-06-29 Roger Sayle <roger@eyesopen.com>
4038 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4039 to indicate the cpplib has issued an error message for us.
4041 2006-06-29 Asher Langton <langton2@llnl.gov>
4044 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4045 insert a label at the end of an function under Mach-O.
4047 2006-06-29 Eric Christopher <echristo@apple.com>
4048 Evan Cheng <evan.cheng@apple.com>
4050 * predicates.md (vector_all_ones_operand): New.
4051 (nonimmediate_or_sse_const_operand): Ditto.
4052 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4053 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4054 (standard_sse_mode_p): Ditto.
4055 (standard_sse_constant_p): Add case for -1 vector.
4056 (ix86_expand_vector_move): Try to use.
4057 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4058 Call standard_sse_constant_opcode.
4059 (*movv4sf_internal): Ditto.
4060 (*movv2df_internal): Ditto.
4062 2006-06-29 Roger Sayle <roger@eyesopen.com>
4064 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4065 of XEXP to extract the operands of a MATCH_CODE rtx.
4067 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4069 * tree.c (tree_size): Do not waste tail padding in
4070 struct tree_string and make the size be the same as
4071 build_string will generate.
4073 2006-06-28 Jason Merrill <jason@redhat.com>
4076 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4077 may_aliases already in the tag's annotations to the bitmap.
4079 2006-06-28 Roger Sayle <roger@eyesopen.com>
4081 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4083 2006-06-28 Roger Sayle <roger@eyesopen.com>
4085 * genpreds.c (generate_switch_p): New function.
4086 (add_mode_tests): Push the new mode test down inside an AND expr
4087 if this allows the switch-suitable MATCH_CODE to be near the root.
4088 (write_match_code_switch): New function to write a MATCH_CODE as
4090 (write_predicate_stmts): New function to write a predicate RTX
4091 expression as a sequence of statements.
4092 (write_one_predicate_function): Use write_predicate_stmts.
4093 (write_tm_constrs_h): Likewise.
4095 2006-06-26 Fred Fish <fnf@specifix.com>
4097 * config/mips/t-sb1: New file.
4098 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4101 2006-06-26 DJ Delorie <dj@redhat.com>
4103 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4105 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4106 Jayant Sonar <jayants@kpitcummins.com>
4107 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4109 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4110 (subsi3, subsi3_1, subsi3_2): New.
4111 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4112 * config/m32c/mov.md (SI mov peephole): New.
4113 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4114 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4116 2006-06-26 Olivier Hainque <hainque@adacore.com>
4118 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4119 a CALL_EXPR target function declaration.
4121 2006-06-26 Richard Guenther <rguenther@suse.de>
4123 * tree.c (build_string): Do not waste tail padding in
4126 2006-06-26 Richard Guenther <rguenther@suse.de>
4128 * ggc-page.c (init_ggc): Add missing element to size_lookup
4132 2006-06-23 Richard Guenther <rguenther@suse.de>
4134 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4135 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4136 alignment requests instead. Add verification code.
4137 Add struct tree_function_decl and struct tree_binfo size to
4138 extra_order_size_table. Add missing element to size_lookup
4141 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4144 * fold-const.c (const_binop): Be prepared for self returning zero.
4145 Simplify code handling complex values.
4147 2006-06-24 Olivier Hainque <hainque@adacore.com>
4149 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4150 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4153 2006-06-24 Olivier Hainque <hainque@adacore.com>
4155 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4156 ARRAY_REF, so have the callback called for the low bound expression.
4158 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4160 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4161 * c-typeck.c (c_common_type): Disallow operations on decimal float
4162 types and other float types.
4163 * convert.c (convert_to_real): Don't ignore conversions involving
4164 decimal float types.
4166 2006-06-23 Olivier Hainque <hainque@adacore.com>
4168 * tree.c (max_int_size_in_bytes): New function, inspired from
4169 code in function.c:assign_temp.
4170 * tree.h (max_int_size_in_bytes): Declare.
4171 * function.c (assign_temp): Use it.
4172 * gimplify.c (create_tmp_var): Relax the assertions on the type
4173 properties, not mandating constant size any more.
4174 (force_constant_size): New static function.
4175 (gimple_add_tmp_var): Use it, forcing variable size to a
4176 constant upper bound if it is not constant on entry.
4178 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4181 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4182 for initialization and setting of one_only flag to ...
4183 (i386_pe_encode_section_info): ...here.
4184 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4185 Recheck that the symbol has not been defined.
4187 2006-06-23 Richard Guenther <rguenther@suse.de>
4189 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4190 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4191 alignment requests instead. Add verification code.
4192 Add struct tree_function_decl and struct tree_binfo size to
4193 extra_order_size_table. Add missing element to size_lookup
4196 2006-06-22 Roger Sayle <roger@eyesopen.com>
4197 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4200 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4201 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4203 2006-06-23 Ben Elliston <bje@au.ibm.com>
4205 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4206 negate dn -- manipulate it directly.
4208 2006-06-22 Roger Sayle <roger@eyesopen.com>
4209 Steven Bosscher <stevenb.gcc@gmail.com>
4212 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4213 generated by gen_move_insn to add REG_LABEL notes if necessary.
4215 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4217 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4218 (leaf_entry): Remove use of MIN_ESA.
4220 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4222 PR rtl-optimization/28121
4223 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4226 2006-06-21 DJ Delorie <dj@redhat.com>
4228 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4230 (mulhisi3_r): Likewise.
4232 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4235 * coverage.c (coverage_counter_alloc): Leave the index type
4237 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4240 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4242 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4243 section from the "Options for Code Generation Conventions".
4245 2006-06-21 Richard Henderson <rth@redhat.com>
4249 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4251 (global_symbolic_operand): Allow weak symbols, even if local_p.
4253 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4255 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4256 (find_interesting_uses_address): Punt if above function returns true.
4258 2006-06-21 Richard Guenther <rguenther@suse.de>
4260 * configure: Regenerated.
4262 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4264 * config/mips/mips.c (function_arg): Where one part of a
4265 complex argument is in registers and the other part in the stack,
4266 return a REG not a PARALLEL.
4268 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4270 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4271 when cross-compiling. Do not substitute libstdcxx_incdir.
4272 * configure: Regenerated.
4274 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4276 * varasm.c (mergeable_string_section): Check for embedded NULs and
4277 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4278 rather than TREE_STRING_LENGTH bytes.
4280 2006-06-21 Richard Guenther <rguenther@suse.de>
4282 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4283 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4286 2006-06-21 Richrad Guenther <rguenther@suse.de>
4288 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4289 Limit iteration over the dominators.
4291 2006-06-20 Roger Sayle <roger@eyesopen.com>
4293 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4294 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4296 2006-06-20 Richard Guenther <rguenther@suse.de>
4297 Michael Matz <matz@suse.de>
4299 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4301 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4302 * et-forest.h (et_free_pools): Prototype new function.
4303 * et-forest.c (et_free_tree_force): Free parent occurrence.
4304 (et_free_pools): New function.
4305 * dominance.c (free_dominance_info): Free et-forest alloc
4308 2006-06-20 Roger Sayle <roger@eyesopen.com>
4310 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4311 integer modes, attempt to directly construct an integer constant.
4313 * fold-const.c (native_encode_vector): Determine the size of each
4314 element from the vector type instead of the first vector element.
4316 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4317 if all of its elements/components are constant.
4318 (build_constructor_from_list): Likewise.
4320 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4322 PR tree-optimization/27331
4323 * tree-data-ref.c (free_data_ref): New function.
4324 (create_data_ref): Fail if the data reference has unknown access
4326 (free_data_refs): Use free_data_ref.
4328 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4331 * tree-inline.c (setup_one_parameter): Strip useless
4332 type conversion before adding it to the IR.
4333 (declare_return_variable): Likewise.
4335 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4338 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4340 2006-06-19 Mike Stump <mrs@apple.com>
4342 * tree.c (variably_modified_type_p): VM arguments don't make the
4345 2006-06-19 Richard Guenther <rguenther@suse.de>
4347 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4348 type conversions after folding.
4350 2006-06-19 Richard Guenther <rguenther@suse.de>
4352 * ggc-page.c (extra_order_size_tab): Add entries with
4353 size of struct function and basic_block.
4354 (size_lookup): Extend to cover sizes up to 511.
4355 (ggc_alloc_stat): Adjust user.
4356 (ggc_pch_count_object): Likewise.
4357 (ggc_pch_alloc_object): Likewise.
4358 (ggc_pch_write_object): Likewise.
4360 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4362 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4363 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4366 2006-06-19 Denis Chertykov <denisc@overta.ru>
4368 * config/avr/libgcc.S : Correct my wrong previous commit.
4370 2006-06-19 Roger Sayle <roger@eyesopen.com>
4373 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4374 have stripped a SUBREG from the shift count, so we may need to
4375 convert_to_mode back to the type's mode before calling make_tree.
4376 Use new_amount instead of amount to avoid expanding a tree twice.
4378 2006-06-19 Richard Guenther <rguenther@suse.de>
4381 * fold-const.c (operand_equal_p): Check if the argument types
4382 have the same precision before stripping NOPs.
4384 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4386 Fix PR tree-optimization/27341
4387 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4389 * tree-complex.c (pass_lower_complex): Update SMT usage.
4391 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4393 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4394 Add a new alternative to the constraint strings. Add move of
4395 operand 1 to 3 to the splitter definition.
4396 ("doloop_si_long"): Second contraint alternative removed.
4398 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4400 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4401 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4403 (AVR_HAVE_MOVW) Define.
4404 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4405 (ASM_SPEC): Add avr25.
4406 (LINK_SPEC): Add avr25.
4407 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4408 (base_arch_s): Add new member 'have_movw_lpmx'.
4409 (avr_arch_types): Init 'have_movw_lpmx'.
4410 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4411 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4412 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4413 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4414 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4416 (avr_file_start): Do not output '.arh' derective.
4417 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4418 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4419 * config/avr/avr.md (mcu_enhanced): Delete.
4420 (mcu_have_movw): Define.
4421 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4422 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4423 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4424 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4425 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4426 attiny861 and at86rf401 devices.
4428 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4430 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4433 2006-06-17 Karl Berry <karl@gnu.org>
4435 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4436 doc/gccint.texi, doc/install.texi (@dircategory): Use
4437 "Software development" instead of "Programming", following
4438 the Free Software Directory.
4440 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4442 * config/i386/i386.c (legitimate_tls_address)
4443 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4444 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4445 (*tls_dynamic_gnu2_combine_64): Likewise.
4447 2006-06-16 Richard Guenther <rguenther@suse.de>
4450 * fold-const.c (negate_expr_p): Do not introduce undefined
4451 overflow in negating INTEGER_CSTs.
4452 (fold_negate_expr): Rename from negate_expr. Revert last
4453 change for folding BIT_NOT_EXPR. Change semantics to
4454 return NULL_TREE for non-simplified negations. Do not
4455 strip type conversions and unify type handling.
4456 (negate_expr): New function, wrap around fold_negate_expr
4457 but ensure building a tree always. Strip type conversions
4458 here, fold to result type.
4459 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4461 2006-06-16 Roger Sayle <roger@eyesopen.com>
4464 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4465 that (would) return their results in stack registers.
4467 2006-06-16 Michael Matz <matz@suse.de>
4468 Richard Guenther <rguenther@suse.de>
4470 * fold-const.c (fold_truthop): Only return new tree node if
4471 we canonicalized something.
4473 2006-06-16 Richard Guenther <rguenther@suse.de>
4475 * function.h (enum function_frequency): Move declaration
4476 out of struct function.
4477 (struct function): Move bool fields and the enum to the bitfield
4478 section. Reorder elements to avoid padding. Remove unused
4479 fields left over from the RTL inliner removal.
4480 * function.c (free_after_compilation): Do not zero removed fields.
4481 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4482 (ipa-type-escape.o): Likewise.
4484 2006-06-16 Richard Guenther <rguenther@suse.de>
4486 * cgraph.h (struct cgraph_local_info): Turn bool elements
4488 (struct cgraph_node): Likewise.
4489 (struct cgraph_varpool_node): Likewise.
4491 2006-06-15 Richard Guenther <rguenther@suse.de>
4493 * fold-const.c (fold_truth_not_expr): Rename from
4494 invert_truthvalue. Give it fold_* semantics to avoid
4496 (invert_truthvalue): New function. Wrapper around
4497 fold_truth_not_expr.
4498 (optimize_minmax_comparison): Avoid creating garbage.
4499 (fold_unary): Use fold_truth_not_expr for folding
4501 (fold_ternary): Replace uses of invert_truthvalue with
4502 fold_truth_not_expr where applicable.
4503 * tree.h (fold_truth_not_expr): Prototype.
4505 2006-06-16 Richard Guenther <rguenther@suse.de>
4507 PR tree-optimization/27781
4508 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4509 * ipa-pure-const.c (target.h): Include.
4510 (analyze_function): Do not analyze functions that do not
4513 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4516 * tree-dfa.c (referenced_vars_dup_list): Remove.
4517 (find_referenced_vars): Remove assert.
4518 (referenced_var_check_and_insert): Replace dup list with assert.
4519 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4520 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4522 2006-06-15 Richard Guenther <rguenther@suse.de>
4524 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4525 extra unused identifiers if not dumping.
4526 (create_variable_info_for): Likewise.
4528 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4530 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4531 (derive_constant_upper_bound): Derive more precise upper bound in
4532 common cases. Return type changed to double_int.
4533 (record_estimate): Reflect the changed return type of
4534 derive_constant_upper_bound.
4535 * double-int.c (double_int_zext, double_int_sext): Fix.
4537 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4539 * configure.ac (CFLAGS): Get them from the toplevel or from the
4540 configure invocation.
4541 * configure: Regenerate.
4542 * Makefile.in (CFLAGS): Substitute value provided by configure.
4544 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4547 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4548 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4549 rather than calling add_stmt on it.
4550 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4552 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4555 * reload1.c (reload): Remove registers returned by update_eliminables
4556 from used_spill_regs.
4558 2006-06-13 DJ Delorie <dj@redhat.com>
4560 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4562 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4564 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4565 html__strip_dir, html__mkdir_p. Enhance install-html target.
4566 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4567 * configure: Regenerate.
4569 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4571 * fold-const.c (fold_cond_expr_with_comparison): Check for
4572 Objective-C++ as language in deciding COND_EXPR transformation.
4574 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4577 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4578 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4579 * config/sh/lib1funcs.h (SL, SL1): Define.
4580 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4581 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4582 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4583 (OBJS_Os_4_200): New variable.
4584 ($(T)libgcc-Os-4-200.a): Use it.
4585 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4586 when dividing 1 and/or by 0.
4588 2006-06-13 Roger Sayle <roger@eyesopen.com>
4590 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4591 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4592 * configure: Regenerate.
4594 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4596 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4597 for real instruction.
4599 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4602 * haifa-sched.c (check_cfg): Handle special case.
4604 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4607 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4608 Add debug_info parameter. Chain the vars to the BLOCK instead
4609 of the BIND_EXPR if debug info are requested for them.
4610 (pop_gimplify_context): Adjust for above change.
4611 (gimple_add_tmp_var): Likewise.
4612 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4614 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4615 (convert_local_reference): Likewise.
4616 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4617 (finalize_nesting_tree_1): Request that debug info be emitted
4618 for debug_var_chain.
4620 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4622 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4623 for PR target/27863.
4625 2006-06-13 Richard Guenther <rguenther@suse.de>
4628 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4630 2006-06-13 Richard Guenther <rguenther@suse.de>
4632 PR tree-optimization/27830
4633 * tree-inline.c (copy_body_r): For copying the operand
4634 of an ADDR_EXPR make sure to fold &* afterwards.
4636 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4638 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4639 lvalues in the fb_none case with side-effects.
4641 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4643 * tree-flow.h: Remove the prototype for
4644 compute_phi_arg_on_exit.
4645 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4646 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4649 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4651 * builtins.c (expand_builtin_return_addr): Only use
4652 frame_pointer_rtx when count == 0 and we are expanding
4653 __builtin_return_address.
4655 2006-06-12 Fred Fish <fnf@specifix.com>
4657 * config/mips/mips.c (mips_file_start): Create special section
4658 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4660 2006-06-11 Eric Christopher <echristo@apple.com>
4663 * stor-layout.c (place_field): Remove check for
4664 remaining_in_alignment when aligning at the end of a run.
4666 2006-06-11 Eric Christopher <echristo@apple.com>
4669 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4672 2006-06-11 Roger Sayle <roger@eyesopen.com>
4675 Revert incorrect fix for PR target/27158
4676 2006-05-08 Roger Sayle <roger@eyesopen.com>
4677 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4678 of a reg_equiv_constant if the result is a legitimate constant.
4680 2006-06-11 Roger Sayle <roger@eyesopen.com>
4683 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4684 extract a CONST_VECTOR element and interpret it as an integer.
4685 (vspltis_constant): Use const_vector_elt_as_int instead of the
4686 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4687 * config/rs6000/predicates.md (easy_vector_const): Consider
4688 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4690 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4693 * stor-layout.c (update_alignment_for_field): Don't add extra
4694 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4697 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4699 * config/mips/t-rtems: Add EL/EB multilib variants.
4701 2006-06-09 Mike Stump <mrs@apple.com>
4703 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4705 2006-06-09 David Daney <ddaney@avtrex.com>
4707 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4709 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4711 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4713 2006-06-09 Richard Guenther <rguenther@suse.de>
4715 PR tree-optimization/26998
4716 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4717 of signed types, only TYPE_MIN_VALUE is special, but for both,
4718 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4719 in this case, as is -fwrapv.
4721 2006-06-08 Mike Stump <mrs@apple.com>
4724 * config/darwin.c (darwin_asm_output_anchor): Disable
4725 -fsection-anchors on darwin for now.
4726 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4727 * rs6000/rs6000.c (optimization_options): Likewise.
4729 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4732 * config/i386/i386.c (classify_argument): Skip fields with invalid
4735 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4737 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4738 (cse_insn): Likewise for the stack_pointer_rtx.
4740 2006-06-08 Roger Sayle <roger@eyesopen.com>
4742 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4743 conditions from floating point comparisons.
4745 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4748 * expmed.c (struct alg_hash_entry): Fix type of field T
4749 to match synth_mult argument.
4750 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4752 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4755 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4758 2006-06-08 Richard Guenther <rguenther@suse.de>
4761 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4762 only, if overflow is defined and not trapping.
4763 (negate_expr): Likewise.
4765 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4767 PR tree-optimization/27872
4768 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4769 flag on the new exit edge of the unrolled loop.
4771 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4773 PR rtl-optimization/26449
4774 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4776 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4779 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4780 referenced_variables with matching DECL_UID's.
4781 (find_referenced_vars): Make sure duplicate list is empty to start.
4782 (referenced_var_p): Remove.
4783 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4784 Check if var is in the list, and add if needed. Update the duplicate
4785 list if a different var is in the list with the same DECL_UID.
4786 (add_referenced_var): Call routine to check and insert.
4787 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4788 * tree-flow.h (referenced_vars_dup_list): External declaration.
4790 2006-06-07 Fred Fish <fnf@specifix.com>
4792 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4795 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4798 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4799 the imaginary and real parts of a clobbered register.
4800 Emit insn to set the imaginary part.
4802 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4804 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4805 in lieu of unwind-dw2-fde.c.
4807 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4809 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4811 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4814 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4815 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4816 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4817 V4SImode temporaries and operations instead.
4819 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4821 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4824 2006-06-06 Mike Stump <mrs@apple.com>
4826 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4827 installing during build.
4829 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4831 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4833 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4834 * config/ia64/ia64.c (params.h): New header.
4835 (ia64_optimization_options): New function to adjust parameters.
4836 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4837 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4838 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4840 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4842 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4844 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4847 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4849 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4850 Victor Kaplansky <victork@il.ibm.com>
4852 PR tree-optimization/26360
4853 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4856 2006-06-04 Roger Sayle <roger@eyesopen.com>
4857 Andrew Pinski <pinskia@physics.uc.edu>
4860 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4861 for LABEL_DECL before calling DECL_WEAK.
4864 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4865 LABEL_DECL and PARM_DECL.
4867 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4871 * c-decl.c (grokdeclarator): Disallow variably modified types at
4872 file scope. Avoid marking shared array type of constant size as
4875 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4878 * c-common.c (fold_offsetof_1): Handle static members.
4880 2006-06-04 Eric Christopher <echristo@apple.com>
4882 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4883 (debug_rli): Output value for remaining_in_alignment.
4884 (update_alignment_for_field): Unconditionalize
4885 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4886 extra alignment code.
4887 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4888 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4889 * tree.h (record_layout_info_s): Remove prev_packed.
4890 * doc/extend.texi (ms_struct): Add documentation of format.
4892 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4894 * tree.h: Declare folding_initializer.
4895 * builtins.c (fold_builtin_constant_p): Give definite answer
4896 if folding inside an initializer.
4897 * fold-const.c: Define folding_initializer.
4898 (START_FOLD_INIT): Save and then set folding_initializer.
4899 (END_FOLD_INIT): Restore folding_initializer.
4901 2006-06-04 Richard Guenther <rguenther@suse.de>
4903 PR tree-optimization/27039
4904 * fold-const.c (fold_comparison): Handle pointer comparison
4905 again for all comparison codes. Compare offsets in signed
4907 (fold_binary): Move code from here.
4909 2006-06-03 Roger Sayle <roger@eyesopen.com>
4912 * config/i386/i386.c (construct_container): Split static issued_error
4913 flag into issued_sse_arg_error, issued_sse_ret_error and
4914 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4915 requires the use of x87 registers and the user explicitly
4916 specified the -mno-80387 command line option.
4918 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4920 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4921 HAVE_DECL_SIGALTSTACK.
4923 (segv_handler): Use MC_FLD.
4924 * configure.ac: Check for a sigaltstack declaration.
4925 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4926 * configure: Regenerate.
4927 * config.in: Regenerate.
4929 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4932 * Makefile.in (stmp-fixinc): Fix typo.
4934 2006-06-02 Roger Sayle <roger@eyesopen.com>
4936 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4937 are type correct. Clean-up.
4938 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4939 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4941 2006-06-01 DJ Delorie <dj@redhat.com>
4943 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4944 shift, as we've disabled the "switch" insn that needs it.
4946 2006-06-01 Per Bothner <bothner@bothner.com>
4948 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4949 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4950 * c-ppoutput.c (cb_define): Don't increment line 0.
4952 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4954 * doc/invoke.texi: Add cpu_type power6.
4955 * config.gcc: Add cpu_type power6.
4956 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4957 to power5+ with Altivec.
4958 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4959 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4961 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4963 * config/avr/avr.h (SET_ASM_OP): Define.
4965 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4967 * config/bfin/bfin.c: Fix comment typos.
4969 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4972 * doc/install.texi: Document --enable-bootstrap and
4973 --disable-bootstrap.
4975 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4977 * doc/install.texi: Document that InfoZIP can replace jar.
4979 2006-05-31 Roger Sayle <roger@eyesopen.com>
4981 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4982 isn't available, directly generate the simpler x87 patterns without
4983 the (use (const_int 0)).
4984 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4985 implementation isn't available.
4986 (*negdf2_1): Likewise.
4987 (*negxf2_1): XF mode negation is always done using the x87.
4988 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4990 2006-05-31 Roger Sayle <roger@eyesopen.com>
4992 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4993 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4995 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4997 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4999 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5000 * config/bfin/bfin.c (basic-block.h): Include.
5001 (struct machine_function): New.
5002 (bfin_init_machine_status): New.
5003 (override_options): Initialize init_machine_status.
5004 (bfin_hardware_loop): New.
5005 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5006 (DEF_VEC_P (loop_info)): New.
5007 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5008 (struct loop_info): New.
5009 (loop_info): New typedef.
5010 (struct loop_work): New.
5011 (loop_work): New typedef.
5012 (DEF_VEC_O (loop_work)): New.
5013 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5014 (bfin_dump_loops): New.
5015 (bfin_bb_in_loop): New.
5016 (bfin_scan_loop): New.
5017 (bfin_optimize_loop): New.
5018 (bfin_reorg_loops): New.
5019 (bfin_reorg): Use bfin_reorg_loops.
5020 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5022 (I_REGNO_P): Simplify.
5023 (DP_REGNO_P, DPREG_P): New macros.
5024 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5025 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5026 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5027 Add LT_REGS, LC_REGS, LB_REGS.
5028 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5030 (REGNO_REG_CLASS): Deal with loop registers.
5031 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5033 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5034 New constants for loop registers.
5035 (UNSPEC_LSETUP_END): New.
5036 (seq_insns): New define_attr. Set it for appropriate insns.
5037 (movsi_insn): Add alternatives for move from/to
5038 loop count registers.
5039 (doloop_end): New define_expand.
5040 (loop_end): New define_insn.
5041 (define_split for bad doloop_end): New.
5042 (lsetup_with_autoinit): New define_insn.
5043 (lsetup_without_autoinit): New define_insn.
5044 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5045 * config/bfin/predicates.md (lc_register_operand): New.
5046 (lt_register_operand): New.
5047 (lb_register_operand): New.
5048 (nondp_register_operand): New.
5049 (nondp_reg_or_memory_operand): New.
5050 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5052 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5054 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5055 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5057 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5059 * Makefile.in (CATALOGS): Add po/ prefix.
5060 * configure: Regenerated.
5062 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5065 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5066 a shift operand before calling shift_op. Avoid redundant call of
5069 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5070 DJ Delorie <dj@redhat.com>
5072 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5073 we're inserting is a singlt-bit constant.
5075 2006-05-30 Roger Sayle <roger@eyesopen.com>
5077 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5078 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5080 2006-05-30 Roger Sayle <roger@eyesopen.com>
5082 PR tree-optimization/23452
5083 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5084 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5085 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5086 complex values and with -ffast-math for FP complex values.
5088 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5090 * c-common.h: Remove the prototype for yyparse.
5091 * rtl.h: Remove the prototype for init_loop.
5093 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5095 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5098 2006-05-30 Roger Sayle <roger@eyesopen.com>
5100 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5102 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5103 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5105 2006-05-30 Dirk Mueller <dmueller@suse.de>
5108 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5109 for CONSTANT_CLASS_P expresisons.
5111 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5114 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5116 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5118 PR tree-optimization/27779
5119 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5120 initial_condition instead of CHREC_LEFT.
5122 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5124 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5125 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5126 Make prototypes ISO C90.
5128 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5129 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5131 * see.c (see_analyze_one_def): Correct check.
5132 (see_get_extension_data): Check if extension is parallel.
5133 (see_get_extension_reg): Likewise.
5135 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5138 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5139 into register for (code == GTU).
5141 2006-05-29 Roger Sayle <roger@eyesopen.com>
5143 PR tree-optimization/24964
5144 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5145 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5146 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5147 abs(x)*abs(x) as x*x for scalar floating point modes.
5149 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5152 * lambda-code.c (perfect_nestify): Don't copy statements
5153 in the inner loop: move them to the inner loop header.
5155 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5158 * c-tree.texi: Document OpenMP directives and clauses.
5160 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5162 * varasm.c (globalize_decl): Fix indentation.
5164 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5167 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5168 pass_fre, pass_store_ccp, pass_copy_prop,
5169 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5170 pass_return_slot, pass_object_size, pass_lim,
5171 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5172 pass_loop_prefetch and pass_stdarg.
5174 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5176 * config/bfin/bfin.opt (mfdpic): New option.
5177 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5178 (EXTRA_MULTILIB_PARTS): Likewise.
5179 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5180 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5182 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5183 (CRT_CALL_STATIC_FUNCTION): New.
5184 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5186 (CRT_CALL_STATIC_FUNCTION): New.
5187 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5189 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5190 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5191 (initialize_trampoline): Changed to handle FD-PIC code generation.
5192 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5193 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5194 (override_options): Disallow -mid-shared-library -mfdpic combination.
5195 Can't do unaligned ops if FD-PIC.
5196 Turn off flag_pic if trying to generate non-id-shared-library
5197 non-fdpic code, since it's not supported.
5198 (bfin_assemble_integer): New function.
5199 (TARGET_ASM_INTEGER): Define.
5200 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5202 * config/bfin/crtn.s: Restore them.
5203 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5205 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5206 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5207 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5208 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5209 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5211 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5212 FDPIC_REGS and FDPIC_FPTR_REGS.
5213 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5214 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5215 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5216 (load_funcdescsi): New pattern.
5217 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5218 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5219 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5221 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5223 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5226 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5228 * tree-flow.h: Remove the prototype for add_type_alias.
5229 * tree-ssa-alias.c (add_type_alias): Remove.
5231 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5233 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5234 config/fr30/fr30.md, config/i386/i386-interix.h,
5235 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5236 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5237 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5238 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5239 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5240 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5241 Follow spelling conventions.
5242 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5243 Follow spelling conventions.
5245 2006-05-27 Richard Guenther <rguenther@suse.de>
5248 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5249 to produce a constant of value 1 of generic type.
5251 2006-05-27 Dirk Mueller <dmueller@suse.de>
5253 * cgraphunit.c (decide_is_function_needed): Fix wrong
5256 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5258 PR rtl-optimization/27661
5259 * reload.c (find_reloads): When reloading a VOIDmode constant
5260 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5261 use Pmode as mode of the reload register.
5263 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5265 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5266 is enabled at -O and above.
5268 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5271 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5274 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5277 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5278 for anonymous variables explicitly declared by front ends.
5280 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5282 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5283 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5284 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5285 ref-all pointers, run a finalization pass for them.
5286 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5287 (finalize_ref_all_pointers): New function.
5288 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5289 regular pointer type to a ref-all pointer type.
5290 (get_tmt_for): Return the special memory tag for ref-all pointers.
5292 2006-05-25 Richard Guenther <rguenther@suse.de>
5295 * fold-const.c (fold_binary): Do not look at the stripped
5296 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5298 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5300 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5301 for LT and GT if the computed range is effectively empty.
5303 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5306 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5307 mips_quad_format formats instead of ieee_single_format,
5308 ieee_double_format and ieee_quad_format formats, respectively.
5310 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5312 PR tree-optimization/27639
5313 PR tree-optimization/26719
5314 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5315 call to scev_probably_wraps_p.
5316 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5317 used_in_pointer_arithmetic_p, convert_step): Removed.
5318 (nowrap_type_p): New function.
5319 (scev_probably_wraps_p): Rewritten.
5320 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5321 chrec_convert if chrec_convert_aggressive might have been used.
5322 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5323 scev_direction): New functions.
5324 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5325 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5326 instead of convert_step.
5327 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5328 (convert_step): Declaration removed.
5329 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5331 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5333 * df-core.c: Added to header comments.
5334 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5335 df_ur_bb_info, df_urec_bb_info): Added comments.
5336 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5337 urec, ri problems): Fixed header comments.
5338 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5339 code from df_rd_transfer_function.
5341 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5343 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5344 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5345 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5347 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5349 * expr.c (undefined_operand_subword_p): New.
5350 (emit_move_multi_word): Do not generate move from undefined bits
5351 of a paradoxical subreg.
5353 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5355 PR rtl-optimization/27736
5356 * combine.c (replaced_rhs_value): New variable.
5357 (combine_instructions): Set it.
5358 (distribute_notes): When distributing a note in replaced_rhs_insn,
5359 check whether the value was used in replaced_rhs_value.
5361 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5364 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5365 add_referenced_var instead of add_referenced_tmp_var.
5366 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5367 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5369 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5370 tree_optimize_tail_calls_1): Use add_referenced_var.
5371 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5372 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5373 Use add_referenced_var.
5374 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5375 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5376 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5377 Use add_referenced_var.
5378 * tree-dfa.c (struct walk_state): Remove.
5379 (find_referenced_vars): Remove walk state and vars_found hash table.
5380 (make_rename_temp): Use add_referenced_var.
5381 (find_vars_r): Pass less parameters to add_referenced_var.
5382 (referenced_var_p): New. Is var in referenced_var hash table.
5383 (referenced_var_insert): Assert var isn't already in hash table.
5384 (add_referenced_var): Don't need walk_state parameter. Add var if it
5385 isn't already in the hash table.
5386 (add_referenced_tmp_var): Remove.
5387 (find_new_referenced_vars_1): Use add_referenced_var.
5388 * tree-ssa-pre.c (create_expression_by_pieces,
5389 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5390 Use add_referenced_var.
5391 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5392 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5393 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5395 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5396 vect_create_data_ref_ptr, vect_create_destination_var,
5397 vect_init_vector, vect_build_loop_niters,
5398 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5399 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5400 Use add_referenced_var.
5401 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5402 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5403 (add_referenced_var): Add prototype.
5404 * tree-ssa-structalias.c (get_constraint_for,
5405 intra_create_variable_infos): Use add_referenced_var.
5407 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5409 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5410 big-endian paradoxical subregs.
5411 * var-tracking.c (struct micro_operation_def): Document that,
5412 for modify micro operations, insn is the subsequent instruction.
5413 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5414 (var_reg_set, var_mem_set): ... new functions.
5415 (add_stores): Record subsequent insn.
5416 (compute_bb_dataflow): Use new functions for MO_USE.
5417 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5418 notes after the insn, and modify notes before the insn known
5419 to be the subsequent one.
5420 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5422 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5425 * config/i386/i386.c (ix86_expand_builtin): Use
5426 gen_sse3_monitor64 for TARGET_64BIT.
5428 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5430 PR rtl-optimization/26375
5431 PR rtl-optimization/26855
5432 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5434 (df_ru_bb_local_compute): Reversed statements and removed bogus
5435 comment explaining why they should be in wrong order.
5436 (df_ru_dump, df_rd_dump): Enhanced debug info.
5437 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5439 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5440 reaching uses and fixed space problem.
5442 2006-05-23 Jan Hubicka <jh@suse.cz>
5444 * cgraphunit.c (decide_is_function_needed): Also nested functions
5445 and functions declared inline can be optimized out at -O0.
5447 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5449 * doc/install.texi (Configuration): Remove reference to CrossGCC
5453 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5456 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5457 ix86_compare_emitted is non-NULL.
5459 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5462 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5465 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5467 PR rtl-optimization/25514
5468 * combine.c (replaced_rhs_insn): New variable.
5469 (combine_instructions): Set replaced_rhs_insn when trying to replace
5470 a SET_SRC with a REG_EQUAL note.
5471 (distribute_notes): Use replaced_rhs_insn when determining the live
5472 range of a REG_DEAD register.
5474 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5475 Anatoly Sokolov <aesok@post.ru>
5477 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5478 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5479 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5480 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5481 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5482 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5483 at90usb647, at90usb1286 and at90usb1287 devices.
5484 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5485 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5487 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5489 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5491 2006-05-22 Richard Guenther <rguenther@suse.de>
5494 2006-01-31 Richard Guenther <rguenther@suse.de>
5495 Paolo Bonzini <bonzini@gnu.org>
5497 * doc/install.texi (--disable-libgcc-math): Document.
5499 2006-05-22 Richard Guenther <rguenther@suse.de>
5502 2006-01-31 Richard Guenther <rguenther@suse.de>
5504 * doc/invoke.texi (-msselibm): Document.
5505 * target.h (expand_library_builtin): New target hook.
5506 * builtins.c (expand_builtin): Use expand_library_builtin.
5507 (default_expand_library_builtin): New function.
5508 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5509 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5510 (link_gcc_math_spec): Declare.
5511 (static_specs): Add link_gcc_math_spec.
5512 * expr.h (default_expand_library_builtin): Declare.
5513 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5514 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5515 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5516 * config/i386/i386.opt (msselibm): New target option.
5517 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5518 (ix86_init_sse_abi_builtins): New function.
5519 (ix86_expand_library_builtin): Likewise.
5520 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5521 (override_options): Handle error conditions wrt -msselibm.
5522 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5523 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5524 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5527 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5530 * c-common.c (self_promoting_args_p): Skip erroneous args.
5533 * c-decl.c (finish_struct): Skip erroneous fields.
5535 2006-05-22 Nick Clifton <nickc@redhat.com>
5537 * config/cris/cris.opt (march): Remove VarExists attribute.
5538 (max-stackframe=): Likewise.
5540 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5542 * doc/rtl.texi: Fix a typo.
5543 * see.c: Fix comment typos.
5545 * tree-ssa-structalias.h (alias_info): Remove num_references.
5547 2006-05-21 Mike Stump <mrs@apple.com>
5549 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5551 (darwin_pragma_options): Use BAD instead.
5552 (darwin_pragma_unused): Likewise.
5553 (darwin_pragma_ms_struct): Likewise.
5555 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5557 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5559 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5561 PR rtl-optimization/27671
5562 * simplify-rtx.c (simplify_relational_operation_1): Fix
5563 simplifications of (eq/ne (xor x y) y) and
5564 (eq/ne (xor x y) x).
5566 PR tree-optimization/26622.
5567 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5570 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5572 * tree-cfg.c: Prune whitespace.
5573 (debug_tree_cfg): Point to correct header containing the
5576 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5579 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5581 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5584 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5585 or sorry count is non zero.
5587 2006-05-20 Andreas Schwab <schwab@suse.de>
5589 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5591 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5592 Kenneth Zadeck <zadeck@naturalbridge.com>
5594 PR rtl-optimization/26855
5596 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5598 (df_scan_alloc): Added code to properly handle multiword hard
5599 registers and add all_blocks parameter.
5600 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5601 code to properly handle multiword hard registers.
5602 (df_rescan_blocks): Added code to remove deleted blocks from
5604 (df_ref_create_structure, df_ref_record): Added code to properly
5606 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5607 and set DF_REF_PARTIAL.
5608 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5609 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5610 (df_scan_add_problem): Added flags parameter.
5611 (df_ref_create_structure): Changed switching structure.
5612 (df_bb_refs_record): Fixed case where duplicate artificial refs
5613 were created. Changed location of flags.
5614 (df_record_entry_block_defs): Added code to make stack pointer
5615 live in entry block. Refined cases where frame pointer is needed.
5616 Changed location of flags.
5617 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5618 (df_set_state): Removed function.
5619 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5620 df_insn_create_insn_record, df_insn_refs_delete,
5621 df_ref_create_structure): Formatting changes.
5622 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5623 df_delete_basic_block): New function.
5624 (df_init): Changed location of flags.
5625 (df_add_problem): Added flags parameter and the way flags are
5627 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5628 debug_df_chain): Improved debugging output.
5629 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5630 (df_refs_chain_dump): Removed df parameter.
5631 (df_iterative_dataflow): Added consistency check.
5632 (df_prune_to_subcfg): Made public.
5633 (df_analyze_problem): Added blocks_to_init parameter and made
5635 (df_ref_record, df_bb_refs_record, df_mark_reg,
5636 df_record_exit_block_uses): Whitespace changes.
5637 (df_dump): Whitespace changes.
5638 * df.h: Some reordering to remove forward references.
5639 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5640 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5641 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5642 (dataflow.flags): New field.
5643 (df.flag): Deleted field.
5644 (df_alloc_function): Added additional bitmap parameter.
5645 (df_dependent_problem_function): New type.
5646 (df_problem.changeable_flags): New field.
5647 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5648 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5649 (df_mw_hardreg): New struct.
5650 (DF_INSN_UID_MWS): New macro.
5651 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5653 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5654 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5655 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5656 (df_set_state): Removed function.
5657 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5658 * df-problems.c (df_chain_dump): Removed df parameter.
5659 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5660 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5662 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5663 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5664 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5665 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5666 DF_REF_MUST_CLOBBER cases.
5667 (df_ru_bb_local_compute_process_def,
5668 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5669 df_lr_bb_local_compute, df_ur_bb_local_compute,
5670 df_chain_create_bb): Made subreg aware.
5671 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5672 df_lr_bb_local_compute, df_lr_bb_local_compute,
5673 df_chain_create_bb): Cleanup to use proper macros.
5674 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5675 code to fixup bitvectors.
5676 (df_ri_alloc): Cleared lifetime.
5677 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5678 df_create_unused_note): New function.
5679 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5680 REG_DEAD and REG_UNUSED notes as well as register information.
5681 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5682 df_chains_dump): Fixed crash if problem was never run.
5683 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5684 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5685 df_ri_add_problem): Processes flags in uniform manner.
5686 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5687 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5688 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5689 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5690 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5691 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5692 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5693 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5694 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5695 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5696 * see.c (see_initialize_data): Ditto.
5697 * final.c (rest_of_clean_state) Added regstack_completed.
5698 * rtl.h (regstack_completed): Ditto.
5699 * reg-stack.c (regstack_completed): Ditto.
5701 2006-05-19 Mike Stump <mrs@apple.com>
5703 * c-tree.h (default_conversion): Remove.
5704 * c-common.h (default_conversion): Add.
5706 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5708 * tree-vrp.c (valid_value_p): New function.
5709 (adjust_range_with_scev): Fail if the value of bound is not
5712 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5714 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5715 (mips_fallback_frame_state): Use syscall numbers to determine
5716 the appropriate li instruction for the current ABI. Only use
5717 __NR_sigreturn for o32.
5719 2006-05-19 Nicolas Setton <setton@adacore.com>
5721 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5722 * langhooks.c (lhd_dwarf_name): New function.
5723 * langhooks-def.h (lhd_dwarf_name): Declare.
5724 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5725 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5726 * ada/misc.c (gnat_dwarf_name): New function.
5727 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5729 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5731 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5733 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5734 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5735 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5736 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5737 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5738 determine the size of Wtype, etc.
5739 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5740 (swfloatfuncs): New variable.
5741 (dwfloatfuncs): Likewise.
5742 (lib2funcs): Remove floating-point conversion functions from
5743 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5744 the set of conversion routines needed. Allow entries to specify
5745 an object name, filename and word size. Update users accordingly.
5746 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5747 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5751 2006-02-08 Roger Sayle <roger@eyesopen.com>
5754 * config/fixtfdi.c: New libgcc source file.
5755 * config/fixunstfdi.c: New source file.
5756 * config/floatditf.c: New source file.
5757 * config/floatunditf.c: New souce file.
5758 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5759 files above instead of config/mips/_tilib.c.
5760 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5762 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5764 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5765 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5767 2006-05-18 Mike Stump <mrs@apple.com>
5769 Fix up vla, vm and [*] sematics.
5775 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5776 (c_vla_unspec_p): Add.
5777 (c_vla_type_p): Add.
5778 * c-decl.c (struct c_scope): Add had_vla_unspec.
5779 (build_array_declarator): Add support for [*].
5780 (grokdeclarator): Likewise.
5781 (grokparms): Likewise.
5782 (get_parm_info): Likewise.
5783 * c-objc-common.c (c_vla_unspec_p): Likewise.
5784 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5785 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5786 typeof when argument is a variably modified type not inside sizeof or alignof.
5787 (c_parser_direct_declarator_inner): Propagate errors.
5788 (c_parser_sizeof_expression): Add support for [*].
5789 (c_parser_parms_declarator): Initialize had_vla_unspec.
5790 (c_parser_parms_list_declarator): Likewise.
5791 * c-typeck.c (c_vla_type_p): Add.
5792 (composite_type): Add support for vla compositing.
5793 (comptypes_internal): Add support for vla compatibility.
5794 (c_expr_sizeof_expr): Evaluate vla arguments.
5795 * tree.c (variably_modified_type_p): Update comment for [*].
5797 2006-05-18 Michael Matz <matz@suse.de>
5800 * config.host: Make assignments to host_xmake_file cumulative.
5801 * config.host (*-darwin*): Test $host, not $target.
5803 2006-05-12 Stuart Hastings <stuart@apple.com>
5805 * config/i386/i386.opt (-mstackrealign): New flag.
5806 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5807 (ix86_handle_cconv_attribute): Emit error when
5808 force_align_arg_pointer attribute collides with too many regparms.
5809 (ix86_function_regparm): Limit regparms when used with
5810 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5811 Support stack-realigning prologue in non-main functions. Emit
5812 warning for nested functions under -mstackrealign, emit error for
5813 nested functions with force_align_arg_pointer attribute.
5814 * doc/extend.texi (force_align_arg_pointer): Document it.
5815 * doc/invoke.texi (-mstackrealign): Document it.
5817 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5819 PR rtl-optimization/27477
5820 * combine.c (try_combine): Don't split a parallel consisting
5821 of two sets into two individual sets if both sets reference
5824 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5826 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5827 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5829 * doc/options.texi (VarExists): Updated.
5831 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5833 * unwind-dw2.c: Add declarations for uw_update_context and
5835 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5836 detected, advance frame state and context once to skip over stub.
5838 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5842 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5843 Call rewrite_into_loop_closed_ssa only when something changed.
5844 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5845 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5846 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5847 Test for perfect_nest_p here. Fix formating.
5848 (replace_uses_equiv_to_x_with_y): Fix formating.
5849 (stmt_uses_op): Removed.
5850 (can_convert_to_perfect_nest): Removed loopivs parameter.
5851 Complete the test by checking the scalar dependences.
5852 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5855 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5858 From Dan Kegel <dank@kegel.com>:
5859 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5861 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5863 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5864 if the element type is variably modified without recursing.
5866 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5869 * tree-loop-linear.c (try_interchange_loops): Test for
5870 no data dependences.
5872 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5874 PR tree-optimization/27548
5875 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5876 range of ssa names that appear on abnormal edges.
5877 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5878 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5880 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5883 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5885 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5888 * tree.h (OMP_PARALLEL_COMBINED): Define.
5889 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5890 (new_omp_context): Add is_combined_parallel argument.
5891 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5892 new_omp_context caller.
5893 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5894 Adjust gimplify_scan_omp_clauses callers.
5895 (omp_is_private): Issue errors if iteration variable is firstprivate
5896 or reduction in the current context.
5897 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5898 on combined parallel workshare constructs.
5900 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5902 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5903 (gcc-options.o): New rule.
5905 * optc-gen.awk: Protect variables for gcc-options.o with
5906 #ifdef GCC_DRIVER/#endif.
5908 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5910 Fix PR tree-optimization/27373
5911 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5912 (forward_propagate_addr_expr): Update call.
5914 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5916 * doc/options.texi: Move the Negative option.
5918 2006-05-16 Richard Guenther <rguenther@suse.de>
5920 PR tree-optimization/22303
5921 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5923 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5924 ccp_fold did not simplify the statement.
5926 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5929 * Makefile.in (GCC_OBJS): New.
5930 (OBJS-common): Add opts-common.o.
5931 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5932 (cpp$(exeext)): Likewise.
5933 (gcc.o): Also depend on opts.h.
5934 (opts-common.o): New.
5936 * common.opt (gcoff): Add Negative(gdwarf-2).
5937 (gdwarf-2): Add Negative(gstabs).
5938 (gstabs): Add Negative(gstabs+).
5939 (gstabs+): Add Negative(gvms).
5940 (gvms): Add Negative(gxcoff).
5941 (gxcoff): Add Negative(gxcoff+).
5942 (gxcoff+): Add Negative(gcoff).
5943 * config/i386/i386.opt (m32): Add Negative(m64).
5944 (m64): Add Negative(m32).
5946 * doc/options.texi: Document the Negative option.
5948 * gcc.c: Include "opts.h".
5949 (main): Call prune_options after expandargv.
5951 * optc-gen.awk: Generate common declarations for all flag
5952 variables in options.c. Output the neg_index field.
5954 * opts.c (find_opt): Moved to ...
5955 * opts-common.c: Here. New file.
5957 * opts.h (cl_option): Add a neg_index field.
5959 (prune_options): Likewise.
5961 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5964 * omp-low.c (expand_omp_parallel): Don't assert
5965 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5966 instead search for it.
5969 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5972 2006-05-16 Andreas Schwab <schwab@suse.de>
5974 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5977 2006-05-15 Roger Sayle <roger@eyesopen.com>
5980 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5981 integer constants other than zero are only legitimate on TARGET_64BIT.
5982 <CONST_VECTOR> Only zero vectors are legitimate.
5983 (ix86_cannot_force_const_mem): Integral and vector constants can
5984 always be put in the constant pool.
5986 2006-05-16 DJ Delorie <dj@redhat.com>
5988 * crtstuff.c (__dso_handle): Set section from
5989 TARGET_LBIGCC_SDATA_SECTION if defined.
5990 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5991 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5993 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5996 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5999 2006-05-16 Ben Elliston <bje@au.ibm.com>
6001 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6003 2006-05-15 Per Bothner <per@bothner.com>
6005 * tree.c: (last_annotated_node): Use source_locus typedef.
6006 This permits bootstrapping with --enable-mapped-location.
6008 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6010 PR tree-optimization/26830
6011 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6012 (info_for_ssa_name, current_info_for_ssa_name_age,
6013 blocks_to_update): New variables.
6014 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6015 (clear_ssa_name_info, initialize_flags_in_bb,
6016 mark_block_for_update): New functions.
6017 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6018 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6019 prepare_def_site_for): Use mark_block_for_update.
6020 (mark_def_interesting): Assert that the processed block is marked in
6021 blocks_to_update. Do not take blocks argument.
6022 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6024 (rewrite_update_init_block, rewrite_update_stmt): Only process
6025 blocks with statements to rewrite.
6026 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6027 (update_ssa): Initialize and free blocks_to_update. Do not
6028 clear flags on statements. Do not use blocks bitmap.
6029 * tree.h (SSA_NAME_AUX): Removed.
6030 (struct tree_ssa_name): Removed aux field.
6031 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6033 2006-05-15 Richard Guenther <rguenther@suse.de>
6035 PR tree-optimization/27603
6036 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6037 Do computations in original type.
6039 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6041 * see.c: Code style changes such as redundant paranthesis,
6042 redundant intialization of local variables etc.
6043 (see_main): Declared now as static.
6044 * doc/invoke.texi: Update that -fsee is not enabled by
6047 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6049 * omp-low.c (check_omp_nesting_restrictions): New function.
6050 (scan_omp_1): Call it.
6053 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6054 construct, return *VAR.
6056 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6058 PR rtl-optimization/27406
6059 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6062 2006-05-14 Roger Sayle <roger@eyesopen.com>
6064 PR rtl-optimization/27538
6065 * combine.c (expand_compound_operation): Call gen_lowpart
6066 before calling simplify_shift_const.
6068 2006-05-14 Roger Sayle <roger@eyesopen.com>
6070 PR rtl-optimization/22563
6071 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6072 a fixed width bitfield, always force the intermediates into psuedos.
6074 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6077 * mkconfig.sh: Use operator = instead of == for test.
6079 2006-05-13 Nick Clifton <nickc@redhat.com>
6081 * dwarf2out.c (dbx_reg_number): Check return value from
6082 LEAF_REG_REMAP and only use it if it is valid.
6083 (multiple_reg_loc_descriptor): Likewise.
6085 2006-05-13 Richard Guenther <rguenther@suse.de>
6087 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6090 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6092 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6093 information attached to non-INSNs such as NOTEs.
6094 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6096 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6098 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6100 * config/s390/s390.md: Adjust comment describing On constraint.
6102 2006-05-11 Jan Hubicka <jh@suse.cz>
6104 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6105 to be output at -O0.
6107 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6110 * fold-const.c (size_binop): Move sanity check for arguments to
6111 the beginning of the function.
6114 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6117 2006-05-11 Richard Guenther <rguenther@suse.de>
6120 * fold-const.c (fold_unary): Handle intermediate conversion
6121 to a pointer type like intermediate conversion to an integer
6122 type in folding of (T1)(T2)var to var.
6123 Match the code to the comment in the final conversion for
6124 (T1)(T2)var to (T1)var regarding to type precision. Rather
6125 than disallow T1 being of pointer type, assert that both T1
6126 and var are of pointer type or not. Make sure not to fall
6127 over the frontends lazyness wrt array to pointer decay though.
6129 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6131 * arm.c (arm_struct_value_rtx): Delete.
6132 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6133 (arm_init_cumulative_args): Always initialize nregs to zero.
6135 2006-05-10 Richard Guenther <rguenther@suse.de>
6137 PR tree-optimization/27532
6138 * tree-object-size.c (plus_expr_object_size): Fix typo.
6140 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6143 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6144 ashrdi_const, ashrdi3): Use a scratch register.
6146 2006-05-10 Richard Guenther <rguenther@suse.de>
6148 PR tree-optimization/27302
6149 * fold-const.c (operand_equal_p): For two comparisons,
6150 try comparison of one comparison code swapped if that yields
6153 2006-05-10 Ben Elliston <bje@au.ibm.com>
6155 * tree-pretty-print.c (pretty_print_string): No need to handle
6156 '\0' as a special character.
6158 * tree.h: Include "hashtab.h".
6159 (iterative_hash_expr): Use hashval_t in its prototype.
6160 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6162 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6165 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6166 (hppa*64*-*-hpux11*): Ditto.
6167 (hppa[12]*-*-hpux11*): Ditto.
6169 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6172 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6174 2006-05-09 Michael Matz <matz@suse.de>
6176 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6177 host_extra_gcc_objs and host_xmake_file.
6178 (<*-*-linux*>): Don't overwrite host_xmake_file.
6179 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6180 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6181 (host_detect_local_cpu): Declare.
6182 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6183 * config/i386/i386.c (override_options): Handle -mtune=native
6185 * config/i386/x-i386: New file.
6186 * config/i386/driver-i386.c: New file.
6187 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6190 2006-05-09 Dirk Mueller <dmueller@suse.de>
6191 Richard Guenther <rguenther@suse.de>
6194 * fold-const.c (fold_read_from_constant_string): Relax check
6195 for matching types to matching modes.
6197 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6199 PR rtl-optimization/27335
6200 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6203 2006-05-08 Chao-ying Fu <fu@mips.com>
6204 Richard Sandiford <richard@codesourcery.com>
6206 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6207 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6208 * config/mips/mips.md (UNSPEC_SCC): New constant.
6209 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6210 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6211 (mips_emit_compare): Use it.
6212 (mips_expand_vcondv2sf): New function.
6214 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6216 Fix PR tree-optimization/27093
6217 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6218 renaming when they become not-used_alone.
6220 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6222 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6223 relocation and relocation stubs.
6225 2006-05-08 Eric Christopher <echristo@apple.com>
6227 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6230 2006-05-08 Jan Hubicka <jh@suse.cz>
6233 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6234 unused static functions are needed.
6236 2006-05-08 Roger Sayle <roger@eyesopen.com>
6239 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6240 of a reg_equiv_constant if the result is a legitimate constant.
6242 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6245 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6246 standard 80387 constants, raise the cost to prevent
6247 compress_float_constant() to generate load from memory.
6249 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6251 * config/arm/constraints.md (c): Fix a typo.
6253 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6256 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6259 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6261 (_mm_mwait): Likewise.
6263 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6265 (sse3_monitor): Make it 32bit only.
6266 (sse3_monitor64): New. 64bit monitor.
6268 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6271 * config/i386/i386.c (classify_argument): Skip fields with invalid
6274 2006-05-07 Richard Guenther <rguenther@suse.de>
6276 PR tree-optimization/27409
6277 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6278 Do not try to find zero-sized subvars.
6280 2006-05-07 Richard Guenther <rguenther@suse.de>
6282 PR tree-optimization/27136
6283 * tree-ssa-loop-niter.c (get_val_for): Correct function
6284 comment, assert requirements.
6285 (loop_niter_by_eval): Stop processing if the iterated
6286 value did not simplify.
6288 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6290 * opts.c (flag_see): remove its setting at -O3.
6292 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6294 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6295 * arm/constraints.md: New file.
6296 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6297 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6298 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6299 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6300 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6301 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6302 * arm.md: Include constraints.md.
6303 (thumb_movsi_insn): Use satisfies_constraint_J.
6304 (movhi, movqi): Use satisfies_constraint_I.
6306 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6308 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6309 for atmeg a645 device.
6311 2006-05-06 Richard Guenther <rguenther@suse.de>
6313 PR tree-optimization/27151
6314 * tree-vect-transform.c (vectorizable_condition): Punt on
6315 values that have a different type than the condition.
6317 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6320 * c-parser.c (c_parser_cast_expression): Only insert casts into
6321 hash table if pointer.
6322 * function.c (used_types_insert_helper): Rename from
6324 (used_types_insert): Call used_types_insert_helper.
6325 * function.h (used_types_insert): Accept only one argument.
6327 2006-05-05 David Edelsohn <edesohn@gnu.org>
6329 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6330 scratch with output modifier.
6332 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6335 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6336 with output modifier.
6338 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6341 * config/mips/mips.c (mips_symbolic_address_p): Return true
6342 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6343 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6345 2006-05-04 Richard Guenther <rguenther@suse.de>
6347 PR tree-optimization/14287
6348 PR tree-optimization/14844
6349 PR tree-optimization/19792
6350 PR tree-optimization/21608
6351 PR tree-optimization/27090
6352 * tree-ssa-pre.c (try_combine_conversion): New function.
6353 (compute_avail): After constructing the value-handle
6354 expression, use try_combine_conversion to combine NOP_EXPRs
6355 with previous value-handle expressions and use the result if it
6358 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6360 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6362 2006-05-04 Jan Hubicka <jh@suse.cz>
6365 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6367 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6369 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6370 that this only matches CONST_INTs. All users changed to VOIDmode
6373 * config/bfin/bfin.c: Include "optabs.h".
6374 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6376 (enum bfin_builtins): Add a number of fractional and vector builtins.
6377 (bfin_init_builtins): Likewise.
6378 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6379 (safe_vector_operand, bfin_expand_binop_builtin,
6380 bfin_expand_unop_builtin): New functions.
6381 (bfin_expand_builtin): Handle the new builtins.
6382 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6385 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6388 * Makefile.in (OBJS-common): Add see.o.
6389 (see.o): Add dependencies.
6390 * common.opt (fsee): New flag for the see optimization was added.
6391 * opts.c (flag_see): Initialized.
6392 * passes.c (init_optimization_passes, pass_see): New pass.
6393 * rtl.h (see_main): Declaration as extern.
6394 * timevar.def (TV_SEE): New.
6395 * tree-pass.h (pass_see): Declaration as extern.
6396 * invoke.texi (-fsee): Document.
6397 * recog.c (validate_simplify_insn): New function.
6398 * recog.h (validate_simplify_insn): Declaration as extern.
6399 * df-problems.c (df_chain_dump): Check for NULL.
6401 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6402 Daniel Berlin <dberlin@dberlin.org>
6404 * cfgrtl.c (insert_insn_bb_end_new): New function.
6405 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6407 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6409 * df.h (struct web_entry): Moved from web.c.
6410 (union_defs): Declaration as extern.
6411 (unionfind_root): Likewise.
6412 (unionfind_union): Likewise.
6413 * web.c (struct web_entry): Moved to df.h.
6414 (unionfind_root): Remove static declaration.
6415 (unionfind_union): Likewise.
6416 (union_defs): Likewise and generalize to use callback function.
6417 (web_main): Update arguments for union_defs function call.
6419 2006-05-04 Richard Guenther <rguenther@suse.de>
6421 PR tree-optimization/26447
6422 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6423 produce SSA_NAME copies before the store stmt to avoid
6424 breaking exception handling.
6426 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6429 * gimplify.c (omp_is_private): If var is shared in some outer context,
6430 return false instead of true. Stop searching on parallel context
6433 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6436 * coverage.c: Use get_gcov_unsigned_t() instead of
6437 unsigned_type_node all over.
6439 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6441 PR tree-optimization/27381
6442 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6443 maintain the same immediate_use links.
6444 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6445 node rather than segfaulting.
6447 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6450 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6451 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6452 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6454 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6456 Fix PR tree-optimization/26626
6457 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6459 * tree-ssa-operands.c (access_can_touch_variable): Allow
6460 typecasting through union pointers.
6462 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6465 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6466 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6467 to find if var will be a global variable even in the nested context.
6468 (omp_copy_decl): Only check for global variable at the end, it might
6469 be overridden in outer contexts.
6470 (scan_sharing_clauses): For global variables don't create a field.
6471 (lower_rec_input_clauses): Do nothing for global shared variables.
6472 Emit a barrier at the end of ILIST if there were any decls in both
6473 firstprivate and lastprivate clauses.
6474 (lower_send_clauses): Do nothing for global variables except for
6477 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6479 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6480 of the correct signedness is returned.
6482 2006-05-02 Jeff Law <law@redhat.com>
6484 PR tree-optimization/27364
6485 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6486 multiply expressions.
6488 2006-05-02 Tom Tromey <tromey@redhat.com>
6490 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6492 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6495 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6496 -mthumb -fPIC are used.
6498 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6499 Joshua Kinard <kumba@gentoo.org>
6502 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6503 with 64-bit pointers.
6505 2006-05-02 Paul Brook <paul@codesourcery.com>
6507 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6509 (create_fix_barrier): Check that a suitable barrier location is
6511 (arm_reorg): Include ftmp->address in allowable range of addresses.
6513 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6516 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6519 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6522 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6523 around RESULT_DECL for result passed by reference.
6524 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6525 * omp-low.c (use_pointer_for_field): Don't look at
6526 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6527 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6528 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6529 time or var for passing by reference for
6530 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6531 TREE_ADDRESSABLE variables when passing by reference.
6533 * omp-low.c (dump_omp_region): Fix output formatting.
6536 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6537 (expand_omp_parallel): Likewise.
6538 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6541 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6542 on statement list containing also constructors and destructors.
6543 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6546 * except.c (duplicate_eh_regions): Fix clearing of
6547 cfun->eh->region_array entries.
6549 2006-05-01 DJ Delorie <dj@redhat.com>
6551 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6553 (gcc_cv_objdump): Likewise.
6554 * configure: Regenerated.
6556 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6559 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6560 templates for case 3 and 4.
6562 2006-05-01 DJ Delorie <dj@redhat.com>
6564 * vec.c: Include bconfig.h when appropriate.
6565 * Makefile.in (build/vec.o): Adjust dependencies.
6566 * mkconfig.sh: Make sure config.h isn't used for build machine
6569 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6571 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6573 (mark_phi_for_rewrite): New function.
6574 (insert_phi_nodes_for, mark_use_interesting): Call
6575 mark_phi_for_rewrite.
6576 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6577 (update_ssa): Initialize and free phis_to_rewrite.
6579 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6581 PR rtl-optimization/27291
6582 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6583 folded to a constant.
6585 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6587 PR tree-optimization/27283
6588 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6589 not whole # of iteration descriptions.
6590 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6591 uses abnormal ssa name.
6592 (niter_for_single_dom_exit): Ditto.
6593 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6594 return just the number of iterations.
6596 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6598 PR tree-optimization/27144
6599 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6600 (record_estimate): Only record constant upper bound.
6601 (infer_loop_bounds_from_undefined): Call
6602 compute_estimated_nb_iterations just once.
6603 (proved_non_wrapping_p): Renamed to ...
6604 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6605 (convert_step_widening, scev_probably_wraps_p): Call
6606 n_of_executions_at_most instead of proved_non_wrapping_p.
6607 (substitute_in_loop_info): Do not replace values in bounds.
6608 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6611 2006-05-01 Richard Henderson <rth@redhat.com>
6614 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6615 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6618 2006-05-01 Roger Sayle <roger@eyesopen.com>
6620 * c-typeck.c (parser_build_binary_op): Don't call the function
6621 unsigned_conversion_warning to spot operand/result type overflow.
6622 (build_binary_op): Instead, call convert_and_check instead of
6623 convert to report the problem when the operands are promoted.
6624 * c-common.c (unsigned_conversion_warning): Make static.
6625 * c-common.h (unsigned_conversion_warning): Delete prototype.
6627 2006-05-01 Richard Guenther <rguenther@suse.de>
6629 PR tree-optimization/26726
6630 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6632 (find_interesting_uses_address): ... we work around here
6633 by folding INDIRECT_REFs in the substituted base.
6635 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6637 * omp-low.c (dump_omp_region): Add newlines.
6639 2006-04-30 Roger Sayle <roger@eyesopen.com>
6641 * common.opt (Woverflow): New command line option.
6642 * c-common.c (constant_expression_warning): Check warn_overflow.
6643 (overflow_waring): Pass OPT_Woverflow to warning.
6644 (unsigned_conversion_warning): Likewise.
6645 (convert_and_check): Likewise.
6646 * doc/invoke.texi: Document new command line option.
6648 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6650 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6651 TARGET_NO_FP_IN_TOC for section anchors.
6652 (optimization_options): Enable section anchors for all
6653 non-"Objective" languages.
6655 2006-04-28 Eric Christopher <echristo@apple.com>
6657 * config/darwin-c.c (darwin_ms_struct): Move this
6658 (darwin_set_default_type_attributes): and this...
6659 * config/darwin.c: ... here.
6660 * config/darwin.h (darwin_ms_struct): Declare.
6662 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6664 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6666 2006-04-28 Roger Sayle <roger@eyesopen.com>
6669 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6670 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6671 an unsigned HOST_WIDE_INT.
6672 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6674 (really_start_incremental_init): No need to call convert because
6675 bitsize_zero_node is already of type bitsizetype.
6676 (push_init_level): Extract the value of constructor_index as an
6677 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6678 (process_init_element): Likewise.
6680 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6682 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6683 value before passing to make_relative_prefix.
6685 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6688 * builtins.c (expand_builtin_memset): Expand val in original mode.
6690 2006-04-27 Eric Christopher <echristo@apple.com>
6692 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6693 with #ifndef/#endif.
6694 * config/darwin-c.c (darwin_ms_struct): New.
6695 (darwin_pragma_ms_struct): Ditto.
6696 (darwin_set_default_type_attributes): Ditto.
6697 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6698 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6699 Register ms_struct pragma.
6700 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6701 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6702 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6703 darwin_set_default_type_attributes if TARGET_MACHO.
6705 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6707 PR tree-optimization/26854
6708 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6709 * doc/tree-ssa.texi: Update immuse iterator documentation.
6710 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6711 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6712 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6713 first_safe_imm_use, next_safe_imm_use): Remove.
6714 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6715 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6716 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6717 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6718 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6719 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6720 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6721 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6722 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6723 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6724 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6725 (perfect_nestify): Use new iterator.
6726 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6728 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6729 (next_imm_name): New field in struct immediate_use_iterator_d.
6730 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6731 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6732 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6733 * tree-cfg.c (replace_uses_by): Use new iterator.
6734 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6735 * tree-ssa-operands.c (correct_use_link): Remove.
6736 (finalize_ssa_use_ops): No longer call correct_use_link.
6738 2006-04-27 Stuart Hastings <stuart@apple.com>
6740 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6741 * config/t-darwin (crt3.o): Use it.
6742 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6743 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6744 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6745 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6746 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6749 2006-04-27 Roger Sayle <roger@eyesopen.com>
6751 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6752 size, force the intermediate into a new pseudo rather instead of
6753 performing both a bitwise AND and a bitwise IOR in memory.
6755 2006-04-27 Richard Guenther <rguenther@suse.de>
6757 PR rtl-optimization/26685
6758 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6759 this one "max-flow-memory-locations".
6761 2006-04-27 Richard Guenther <rguenther@suse.de>
6763 PR tree-optimization/25148
6764 * tree-vrp.c (compare_values): Remove code dealing with
6765 comparisons against type min/max value. Honour overflow
6766 and negative constants in code dealing with comparisons
6767 of plus and minus expressions.
6768 (value_inside_range): Use fold_binary with LE_EXPR and
6769 GE_EXPR rather than compare_values.
6771 2006-04-27 Dirk Mueller <dmueller@suse.de>
6773 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6776 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6778 * basic-block.h (safe_insert_insn_on_edge): Removed.
6779 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6781 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6782 Paolo Bonzini <bonzini@gnu.org>
6785 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6786 (simplify_and_const_int): Same.
6788 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6790 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6792 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6795 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6796 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6797 cgraph_global_info_ready.
6800 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6803 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6804 either decl or init is error_mark_node.
6807 * tree-flow.h (struct omp_region): Add sched_kind.
6808 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6809 instead of extracting omp for data.
6810 (expand_omp_for): Save extracted sched_kind.
6812 2006-04-25 Roger Sayle <roger@eyesopen.com>
6814 * expmed.c (store_bit_field): Also check whether the bitsize is
6815 valid for the machine's "insv" instruction before moving the
6816 target into a pseudo for use with the insv.
6817 * config/i386/predicates.md (const8_operand): New predicate.
6818 * config/i386/i386.md (extv, extzv, insv): Use the new
6819 const8_operand predicate where appropriate.
6821 2006-04-25 DJ Delorie <dj@redhat.com>
6823 * doc/install.texi (Specific): Clarify that this is not a list of
6824 supported hosts or targets.
6826 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6828 PR rtl-optimization/26725
6829 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6830 block's BB_DIRTY flag.
6832 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6834 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6837 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6838 to print an integer.
6840 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6842 * varasm.c (align_variable): New function.
6843 (get_block_for_decl): Apply align_variable to DECL before
6844 calculating section information.
6845 (assemble_variable): Split out alignment computation.
6847 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6849 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6852 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6854 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6855 MODE_PARTIAL_INT mode.
6856 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6857 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6859 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6860 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6862 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6864 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6866 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6867 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6868 MACFLAG_IH): Likewise.
6869 (movstricthi_1): Renamed from "*movstricthi".
6870 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6871 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6872 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6873 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6874 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6875 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6876 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6877 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6878 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6879 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6880 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6881 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6882 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6883 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6884 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6886 * doc/rtl.texi (ss_ashift): Improve wording.
6888 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6890 * dwarf2out.c (verify_marks_clear): New.
6891 (prune_unused_types): Call verify_marks_clear initially, not
6894 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6896 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6897 * doc/rtl.texi: Document them.
6898 * simplify-rtx.c (simplify_unary_operation,
6899 simplify_binary_operation_1): Don't abort when we see them.
6901 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6904 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6905 * configure.ac: Completely disregard languages that are not
6907 * configure: Regenerated.
6909 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6910 Richard Guenther <rguenther@suse.de>
6912 PR tree-optimization/27236
6913 * tree-inline.c (copy_body_r): Make sure to copy
6914 TREE_THIS_VOLATILE flag.
6916 2006-04-24 Richard Guenther <rguenther@suse.de>
6919 * tree-complex.c (update_parameter_components): Don't handle
6920 unused parameters which have no default def.
6922 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6923 Richard Guenther <rguenther@suse.de>
6925 PR tree-optimization/27218
6926 * tree-inline.c (expand_call_inline): Strip useless type
6927 conversions for the return slot address.
6929 2006-04-24 Richard Guenther <rguenther@suse.de>
6931 * cfgloop.h (struct loops): Remove unused field array. Reorder
6933 (LOOP_PREFETCH): Remove.
6935 2006-04-24 Richard Guenther <rguenther@suse.de>
6937 PR tree-optimization/22525
6938 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6939 variable, adjust types of generated expressions.
6941 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6943 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6944 (tree-vect-patterns.o): Likewise.
6946 (cselib.o): Likewise.
6947 (loop-doloop.o): Likewise.
6948 (regclass.o): Likewise.
6949 (reload1.o): Likewise.
6950 (explow.o): Replace target.h with $(TARGET_H).
6951 (ipa-prop.o): Likewise.
6952 (ipa-cp.o): Likewise.
6953 (ipa-inline.o): Likewise.
6954 (reorg.o): Likewise.
6955 (reg-stack.o): Likewise.
6957 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6959 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6961 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6963 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6965 * configure.ac: Completely disregard languages that are not
6967 * configure: Regenerated.
6970 * c-common.h (c_build_bitfield_integer_type): Declare.
6971 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6972 * c-common.c (c_build_bitfield_integer_type): ... here.
6974 2006-04-23 Roger Sayle <roger@eyesopen.com>
6977 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6978 a SImode SUBREG of a floating point register after no_new_pseudos.
6980 2006-04-23 Roger Sayle <roger@eyesopen.com>
6982 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6983 identify potentially eliminable registers to additionally catch
6984 VIRTUAL_INCOMING_ARGS_REGNUM.
6985 (addsi3): Update the conditions on when to use addsi_small_int.
6987 2006-04-23 Roger Sayle <roger@eyesopen.com>
6990 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6991 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6992 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6994 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6996 * fold-const.c (range_predecessor): Use operand_equal_p
6997 as the predicate for equality.
6998 (range_successor): Likewise.
7000 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7003 * config/soft-fp/op-common.h: Fix a typo.
7005 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7008 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7009 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7011 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7013 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7015 * doc/tm.texi: Fix a typo.
7017 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7019 * dwarf2out.c (struct die_struct): Document that die_sib makes
7020 a circular linked list.
7021 (FOR_EACH_CHILD): New.
7022 (reverse_die_lists): Delete.
7023 (reverse_all_dies): Delete.
7024 (add_dwarf_attr): Correct documentation.
7025 (remove_child_with_prev): New.
7026 (remove_child_TAG): Update for change to die_struct, use
7027 remove_child_with_prev.
7028 (add_child_die): Update for change to die_struct.
7029 (splice_child_die): Use remove_child_with_prev and add_child_die.
7030 (print_die): Use FOR_EACH_CHILD.
7031 (die_checksum): Likewise.
7032 (assign_symbol_names): Likewise.
7033 (output_location_lists): Likewise.
7034 (build_abbrev_table): Likewise.
7035 (calc_die_sizes): Likewise.
7036 (mark_dies): Likewise.
7037 (unmark_dies): Likewise.
7038 (unmark_all_dies): Likewise.
7039 (output_die): Likewise.
7040 (prune_unused_types_mark): Likewise.
7041 (prune_unused_types_walk): Likewise.
7042 (same_die_p): Update for change to die_struct.
7043 (break_out_includes): Likewise.
7044 (prune_unused_types_prune): Likewise.
7045 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7046 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7048 (dwarf2out_finish): Don't call reverse_all_dies.
7050 2006-04-21 Eric Christopher <echristo@apple.com>
7052 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7053 in comments and function names.
7055 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7058 * c-typeck.c (digest_init): Robustify.
7060 * c-typeck.c (pop_init_level): Simplify.
7062 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7064 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7066 2006-04-21 Paul Brook <paul@codesourcery.com>
7068 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7069 hardware floating point.
7071 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7073 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7076 2006-04-21 Nick Clifton <nickc@redhat.com>
7078 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7081 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7084 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7085 C++ lang type in traceback table for Objective-C++.
7087 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7089 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7091 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7093 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7096 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7097 were errors. Remove check for erroneous objects.
7099 2006-04-20 Jeff Law <law@redhat.com>
7101 PR tree-optimization/26854
7102 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7103 checking for zero or one use.
7104 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7105 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7106 * tree-ssa-reassoc.c (negate_value): Similarly.
7107 (reassociate_bb): Similarly.
7109 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7111 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7112 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7113 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7115 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7117 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7118 fp regs if the last fp arg doesn't fit in regs.
7120 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7123 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7124 that the last insn has the REG_INC note.
7126 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7127 Nathan Sidwell <nathan@codesourcery.com>
7130 * stor-layout.c (update_alignment_for_field): Do not align
7132 (place_union_field): Place union field at the start of the union.
7133 (place_field): Move ERROR_MARK check later, and use the current
7134 allocation position to maintain monotonicity.
7136 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7138 * dominance.c: Include timevar.h.
7139 (calculate_dominance_info): Use TV_DOMINANCE.
7140 * timevar.def (TV_DOMINANCE): New timevar.
7141 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7143 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7145 PR rtl-optimization/14261
7146 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7147 move would be an INSV insn.
7148 (noce_process_if_block): Don't optimize if the destination is a
7149 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7151 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7153 * config/s390/s390.md: Add comments with the instructions emitted
7154 by an insn pattern if macros are used.
7156 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7158 PR rtl-optimization/26026
7159 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7160 is a known power of two shifted left a variable amount.
7162 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7164 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7165 to hash table twice when the debug_str section has SECTION_MERGE.
7167 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7169 * config/soft-fp: New directory. From glibc.
7170 * config/soft-fp/t-softfp: New.
7171 * config/soft-fp/README: New.
7172 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7173 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7174 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7175 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7176 * config.gcc: Use rs6000/t-fprules-fpbit or
7177 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7179 * config/rs6000/sfp-machine.h: New. Based on glibc.
7180 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7182 * config/rs6000/t-fprules: Remove fp-bit rules.
7183 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7184 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7185 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7186 (softfp_wrap_start, softfp_wrap_end): New.
7188 2006-04-18 DJ Delorie <dj@redhat.com>
7190 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7192 2006-04-18 Devang Patel <dpatel@apple.com>
7194 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7196 2006-04-18 Nick Clifton <nickc@redhat.com>
7198 * config/sh/t-symbian: Add rule to build sh-c.o
7199 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7200 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7201 (sh_symbian_encode_section_info): Likewise.
7203 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7205 * builtins.c (expand_builtin_strcmp): Cover label definition of
7206 do_libcall with HAVE_cmpstrnsi.
7208 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7210 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7212 * function.h (temp_slot_p): New.
7213 (function): Change the type of x_used_temp_slots to
7214 VEC(temp_slot_p,gc) *.
7216 2006-04-18 Nick Clifton <nickc@redhat.com>
7218 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7219 flag_strength_reduce.
7221 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7223 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7227 Partial revert of revision 112637
7228 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7229 Dale Johannesen <dalej@apple.com>
7232 * regclass.c (struct reg_pref): Update documentation.
7233 (regclass): Set prefclass to NO_REGS if memory is the best option.
7234 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7236 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7238 PR tree-optimization/26821
7239 * tree-ssa-math-opts.c (get_constant_one): New.
7240 (insert_reciprocals): Use it.
7242 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7244 * dwarf2out.c (free_AT): Delete.
7245 (remove_AT): Update string ref counts.
7246 (remove_child_TAG): Don't call free_die.
7248 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7249 or DW_TAG_GNU_EINCL.
7250 (prune_unused_types_walk_attribs): Reset string refcounts.
7251 (prune_unused_types_update_strings): New.
7252 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7253 call free_die. Do call prune_unused_types_update_strings.
7254 (prune_unused_types): Empty debug_str_hash.
7256 2006-04-17 Roger Sayle <roger@eyesopen.com>
7258 * expr.c (expand_assignment): Optimize away no-op moves where the
7259 source and destination are equal and have no side-effects.
7261 2006-04-17 Richard Guenther <rguenther@suse.de>
7264 * reload.c (push_reload): Guard calls to get_secondary_mem
7267 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7269 * alias.c (reg_base_value, old_reg_base_value): Change the
7270 type to VEC(rtx,gc) *.
7271 (REG_BASE_VALUE, find_base_value, record_set,
7272 init_alias_analysis): Use VEC instead of VARRAY.
7274 * alias.c (alias_sets): Change the type to
7275 VEC(alias_set_entry,gc) *.
7276 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7277 VEC instead of VARRAY.
7278 (last_alias_set): Remove.
7280 * cgraph.h (cgraph_edge_p): New.
7281 Update the prototype of cgraph_function_versioning.
7282 * cgraphunit.c (cgraph_copy_node_for_versioning,
7283 cgraph_function_versioning): Use VEC instead of VARRAY.
7284 * ipa-cp.c (ipcp_insert_stage): Likewise.
7286 2006-04-16 Roger Sayle <roger@eyesopen.com>
7289 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7290 "A op B" or "A op C", we may need to convert A to the type of B and C.
7292 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7294 * target.h (struct gcc_target): Add mode_rep_extended.
7295 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7296 (init_num_sign_bit_copies_in_rep): Initialize it using
7298 (truncate_to_mode): Use it.
7299 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7300 * targhooks.h (default_mode_rep_extended): Declare it.
7301 * targhooks.c (default_mode_rep_extended): Define it.
7302 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7303 default_mode_rep_extended.
7304 (TARGET_INITIALIZER): Include it.
7305 * doc/tm.texi (Misc): Document it.
7306 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7307 (mips_truncated_to_mode): New function.
7309 2006-04-16 Roger Sayle <roger@eyesopen.com>
7312 * expr.c (compress_float_constant): Copy the narrow constant into
7313 a new pseudo before extending it to its final width.
7315 2006-04-16 Roger Sayle <roger@eyesopen.com>
7316 Andrew Pinski <pinskia@gcc.gnu.org>
7317 Dale Johannesen <dalej@apple.com>
7320 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7321 special case code to implement V8HImode and V16QImode with SSE2.
7323 2006-04-15 Roger Sayle <roger@eyesopen.com>
7325 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7326 trees are constructed with a suitable tree type.
7328 2006-04-15 Roger Sayle <roger@eyesopen.com>
7330 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7331 (integer_onep): Likewise.
7332 (integer_all_onesp): Likewise.
7333 (integer_pow2p): Likewise.
7334 (integer_nonzerop): Likewise.
7335 (real_zerop): Likewise.
7336 (real_onep): Likewise.
7337 (real_twop): Likewise.
7338 (real_minus_onep): Likewise.
7339 (int_size_in_bytes): Likewise.
7340 (host_integerp): Likewise.
7342 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7344 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7345 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7346 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7348 * tree-ssa-structalias.h (alias_info): Remove num_references.
7350 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7352 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7353 (output_bvb patterns): Likewise.
7354 * pa.c (output_bb): Use 'bb' insn for long branch case.
7355 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7356 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7357 1. Correct length operand for alternatives 1 and 2.
7358 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7359 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7361 2006-04-14 Roger Sayle <roger@eyesopen.com>
7363 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7364 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7365 were accidentally reverted by r112959.
7367 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7370 * except.h (eh_region_outermost): New prototype.
7371 * except.c (eh_region_outermost): New function.
7372 * tree-cfg.c (find_outermost_region_in_block): Use it.
7374 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7376 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7378 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7379 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7380 (init_reload, reload): Use VEC instead of VARRAY.
7381 * reload.h: Update the prototype for
7382 reg_equiv_memory_loc_varray.
7384 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7385 Eric Botcazou <ebotcazou@libertysurf.fr>
7387 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7390 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7393 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7394 to expand fallback builtin function call.
7396 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7399 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7400 and emit libcall here in case the builtin fails.
7401 (expand_builtin_strcmp): Always emit the libcall here on failure.
7403 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7405 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7406 * flow.c (reg_n_info): Change the type to
7407 VEC(reg_info_p,heap) *.
7408 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7410 * regs.h (reg_info_p): New.
7411 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7412 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7413 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7416 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7418 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7420 * params.h (MAX_SCHED_READY_INSNS): New macro.
7421 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7422 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7423 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7424 the ready list for 1 cycle during the first scheduling pass.
7425 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7427 2006-04-13 Richard Henderson <rth@redhat.com>
7430 * gimple-low.c (lower_omp_directive): Remove dead code.
7431 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7432 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7433 * omp-low.c (struct omp_region): Move to tree-flow.h.
7434 (root_omp_region): Export.
7435 (omp_regions, lookup_omp_region): Remove.
7436 (determine_parallel_type): Update for struct omp_region changes.
7437 (dump_omp_region): Dump regions with block numbers.
7438 (new_omp_region): Take type and block instead of stmt; malloc
7440 (free_omp_region_1, free_omp_regions): New.
7441 (expand_parallel_call): Take entry_stmt as argument; update for
7442 changes to omp_region.
7443 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7444 (remove_exit_barriers): New.
7445 (expand_omp_parallel): Update for struct omp_region changes.
7446 (expand_omp_synch): Likewise.
7447 (expand_omp): Likewise.
7448 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7449 (expand_omp_for_static_chunk): Likewise.
7450 (expand_omp_for): Likewise.
7451 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7452 (expand_omp_sections): Similarly, with GOMP_sections_end.
7453 (expand_omp_single): New.
7454 (build_omp_regions_1): Update for OMP_CONTINUE.
7455 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7456 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7457 OMP_SECTIONS_SECTIONS.
7458 (lower_omp_single_simple): Don't emit barrier here.
7459 (lower_omp_single_copy): Likewise.
7460 (lower_omp_single): Fix bindings, and lower to straightline now.
7461 (lower_omp_master, lower_omp_ordered): Likewise.
7462 (lower_omp_critical): Likewise.
7463 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7464 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7465 omp edges, free it afterward.
7466 (make_omp_sections_edges): Remove.
7467 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7468 (move_stmt_r): Handle OMP_CONTINUE.
7469 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7470 statement pointers to basic blocks. Add type member.
7471 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7472 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7473 * tree-inline.c (estimate_num_insns_1): Likewise.
7474 * tree-pretty-print.c (dump_generic_node): Likewise.
7475 * tree-ssa-operands.c (get_expr_operands): Likewise.
7476 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7477 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7478 (OMP_CONTINUE): New.
7479 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7480 (OMP_SECTIONS_SECTIONS): Remove.
7481 (OMP_SECTION_LAST): New.
7482 (OMP_RETURN_NOWAIT): New.
7484 2006-04-13 Roger Sayle <roger@eyesopen.com>
7486 * fold-const.c (native_encode_vector, native_interpret_real):
7487 Correct obvious mistakes in the previous check-in.
7489 2006-04-13 Roger Sayle <roger@eyesopen.com>
7491 * fold-const.c (native_encode_expr): New function to encode
7492 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7493 or VECTOR_CST into a specified buffer.
7494 (native_encode_int): New function.
7495 (native_encode_real): New function.
7496 (native_encode_complex): New function.
7497 (native_encode_vector): New function.
7498 (native_interpret_expr): Inverse of native_encode_expr to convert
7499 a target representation into an INTEGER_CST, REAL_CST etc...
7500 (native_interpret_int): New function.
7501 (native_interpret_real): New function.
7502 (native_interpret_complex): New function.
7503 (native_interpret_vector): New function.
7504 (fold_view_convert_expr): New function to constant fold/evaluate
7505 a VIEW_CONVERT_EXPR of a suitable constant expression.
7506 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7507 Change call of build1 to fold_build1 when constructing a
7510 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7511 Ulrich Weigand <uweigand@de.ibm.com>
7514 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7517 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7520 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7521 optimize to lo_sum for DFmode if !TARGET_FPRS.
7523 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7525 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7526 delete_alias_info, compute_flow_sensitive_aliasing,
7527 group_aliases): Use VEC instead of VARRAY.
7528 * tree-ssa-structalias.c (update_alias_info): Likewise.
7529 * tree-ssa-structalias.h (alias_info): Change the type of
7530 processed_ptrs to VEC(tree,heap) *.
7532 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7535 * config/sh/lib1funcs.h: New file, broken out of:
7536 * config/sh/lib1funcs.asm.
7537 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7539 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7540 * config/sh/lib1funcs-Os-4-200.asm: New file.
7541 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7542 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7543 (EXTRA_MULTILIB_PARTS): Include it.
7544 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7545 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7546 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7547 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7550 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7552 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7553 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7554 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7556 * tree-ssa-live.h: Include vecprim.h.
7557 (tree_partition_associator_d): Change the type of
7558 first_partition to VEC(int,heap) *.
7559 (tpa_first_partition): Use VEC instead of VARRAY.
7561 * Makefile.in (GTFILES): Move functions.h after tree.h.
7562 * function.c (reset_block_changes, record_block_change,
7563 check_block_change, free_block_changes): Use VEC instead of
7565 * function.h (function): Change the type of
7566 ib_boundaries_block to VEC(tree,gc) *.
7567 * tree-inline.c (copy_cfg_body): Initialize
7568 ib_boundaries_block to NULL instead of (varray_type) 0.
7570 2006-04-12 Roger Sayle <roger@eyesopen.com>
7572 * expr.c (emit_group_store): Correct operand order in call to
7573 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7574 a SUBREG_BYTE of zero.
7576 2006-04-12 Richard Guenther <rguenther@suse.de>
7578 * profile.c (compute_branch_probabilities): Remove code
7579 encapsulated in !ir_type (), which are remanents of the
7580 removed RTL profiling code.
7581 * rtl-profile.c: Remove.
7583 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7585 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7586 magic NULL_RTX comment.
7587 (function_arg): Store entire fp arg to mem if any part should go
7589 (rs6000_arg_partial_bytes): Adjust for above change.
7591 2006-04-11 Roger Sayle <roger@eyesopen.com>
7593 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7594 if it hasn't been initialized by dwarf2out_init.
7596 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7598 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7599 symbolic constants in branch patterns.
7601 2006-04-11 Roger Sayle <roger@eyesopen.com>
7603 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7605 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7607 PR rtl-optimization/27073
7608 * gcse.c (try_replace_reg): Revert last change. Continue to search
7609 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7612 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7614 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7615 aggregate types other than record and union types.
7616 (function_arg): Likewise.
7617 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7619 (function_value): In 64-bit mode, return objects that require it
7622 2006-04-11 Roger Sayle <roger@eyesopen.com>
7624 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7626 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7628 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7630 2006-04-03 Jeff Law <law@redhat.com>
7633 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7634 alias information too.
7636 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7638 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7640 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7643 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7644 (premark_used_types_helper): New.
7645 (premark_used_types): New.
7646 (gen_subprogram_die): Call premark_used_types.
7647 (prune_unused_types_walk): Do not prune perennial dies.
7648 * function.c (used_types_insert): New.
7649 * function.h (struct function): Add used_types_hash field.
7650 (used_types_insert): Add prototype.
7651 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7652 * c-parser.c (c_parser_cast_expression): Save casted types in used
7655 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7658 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7659 rs6000_explicit_options.float_gprs.
7661 2006-04-10 Roger Sayle <roger@eyesopen.com>
7663 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7664 from ix86_expand_vector_init_low_nonzero. Take an additional
7665 one_var argument indicating which element is non-zero. Support
7666 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7667 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7668 with one_var instead of ix86_expand_vector_init_low_nonzero.
7670 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7672 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7673 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7674 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7675 build/genextract.o): Depend on vecprim.h.
7676 * cfglayout.c, df-problems.c, function.c, genextract.c,
7677 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7678 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7682 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7684 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7685 Declare VECs of this type.
7686 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7687 (remove_children): Delete.
7688 (add_dwarf_attr): Use VEC routines.
7689 (add_AT_flag): Update for changes to add_dwarf_attr.
7690 (add_AT_int): Likewise.
7691 (add_AT_unsigned): Likewise.
7692 (add_AT_long_long): Likewise.
7693 (add_AT_vec): Likewise.
7694 (add_AT_string): Likewise.
7695 (add_AT_die_ref): Likewise.
7696 (add_AT_fde_ref): Likewise.
7697 (add_AT_loc): Likewise.
7698 (add_AT_loc_list): Likewise.
7699 (add_AT_addr): Likewise.
7700 (add_AT_lbl_id): Likewise.
7701 (add_AT_lineptr): Likewise.
7702 (add_AT_macptr): Likewise.
7703 (add_AT_offset): Likewise.
7704 (add_AT_range_list): Likewise.
7705 (get_AT): Use VEC_iterate.
7706 (remove_AT): Use VEC_ordered_remove.
7707 (free_die): Fold remove_children into here; have it use VEC_iterate.
7708 (print_die): Use VEC_iterate on attrs.
7709 (reverse_die_lists): Don't reverse attr lists.
7710 (die_checksum): Use VEC_iterate on attrs.
7711 (same_die_p): Likewise.
7712 (output_location_lists): Likewise.
7713 (build_abbrev_table): Likewise.
7714 (size_of_die): Likewise.
7715 (unmark_all_dies): Likewise.
7716 (output_abbrev_section): Likewise.
7717 (output_die): Likewise.
7718 (prune_unused_types_walk_attribs): Likewise.
7720 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7722 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7724 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7727 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7729 2006-04-09 Roger Sayle <roger@eyesopen.com>
7731 * expr.c (store_constructor): Don't bother clearing target if
7732 we're about to assign a vector to it using vec_init_optab.
7734 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7736 * tree-ssa-alias.c (lhs_may_store_to): New function.
7737 (recalculate_used_alone): Handle LHS of calls.
7739 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7743 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7744 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7745 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7746 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7747 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7748 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7749 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7750 stubs. Add ".align 8" directives before all ".dword" directives.
7751 (GTHREAD_USE_WEAK): Revise comment.
7752 (TARGET_ATTRIBUTE_WEAK): Define.
7753 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7754 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7755 * stublib.c: New file.
7760 * pa.md (cbranch patterns): Revise arguments used in calls to
7761 output_cbranch, output_bb and output_bvd. Add long branch length
7763 (fbranch patterns): Handle long branches.
7764 (jump): Revise length check. Revise arguments for output_lbranch call.
7765 Add long branch length attributes.
7766 (decrement_and_branch_until_zero): Add long branch length attributes.
7767 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7768 Likewise. Revise arguments for output_parallel_addb and
7769 output_parallel_movb calls.
7770 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7771 output_parallel_movb and output_parallel_addb): Update prototypes.
7772 * pa.c (output_cbranch): Revise arguments. Correct handling of
7773 nullification in long branches.
7774 (output_lbranch): Add new argument to control extraction of delay
7776 (output_bb): Handle long branches.
7777 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7778 output_parallel_addb): Likewise.
7780 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7782 PR rtl-optimization/27073
7783 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7786 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7788 * tree.h (tree_memory_tag): Add old_used_alone.
7789 (SMT_OLD_USED_ALONE): New macro.
7790 * tree-ssa-alias.c (recalculate_used_alone): Stop
7791 marking things for renaming unnecessarily.
7793 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7795 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7796 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7797 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7798 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7799 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7800 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7801 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7802 spelling convensions.
7803 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7804 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7805 typos. Follow spelling conventions.
7807 2006-04-07 DJ Delorie <dj@redhat.com>
7809 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7810 passed on the stack.
7811 (m32c_init_cumulative_args): When a function returns a structure,
7812 always pass the pointer to that return area on the stack.
7813 (m32c_function_arg_advance): Don't increment the parameter number
7814 if we're processing the returned structure pointer.
7815 (pushm_info): Reverse order of registers.
7817 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7819 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7820 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7821 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7822 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7824 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7825 chrec_fold_multiply): Same.
7826 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7827 force_expr_to_var_cost): Same.
7828 * tree-mudflap.c (mf_xform_derefs_1): Same.
7829 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7831 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7833 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7834 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7837 2006-04-07 Jan Hubicka <jh@suse.cz>
7839 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7841 2006-04-07 Richard Guenther <rguenther@suse.de>
7843 PR tree-optimization/26135
7844 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7845 loads for store copy-prop.
7846 (copy_prop_visit_stmt): Likewise.
7848 2006-04-05 Robert Millan <robertmh@gnu.org>
7850 * config/i386/linux.h: Add a comment to mark macros that are
7851 being overriden in config/k*bsd-gnu.h.
7852 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7854 * config/knetbsd-gnu.h: Ditto.
7856 2006-04-06 Jan Hubicka <jh@suse.cz>
7860 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7863 2006-04-06 Mike Stump <mrs@apple.com>
7865 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7866 for HAVE_nonlocal_goto to be consistent.
7867 (expand_builtin_nonlocal_goto): Likewise.
7868 (expand_builtin_strcmp): Use #ifdef instead of #if
7869 for HAVE_cmpstrnsi to be consistent.
7871 2006-04-05 DJ Delorie <dj@redhat.com>
7873 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7876 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7878 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7879 got-relative addressing for anything but SImode.
7881 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7882 even if the calling function doesn't modify them.
7884 2006-04-05 Richard Guenther <rguenther@suse.de>
7886 PR tree-optimization/26919
7887 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7888 to cgraph_estimate_size_after_inlining.
7890 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7892 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7894 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7896 PR tree-optimization/26996
7897 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7898 VECTOR_TYPE variables.
7900 2006-04-05 Richard Guenther <rguenther@suse.de>
7902 PR tree-optimization/26763
7903 * fold-const.c (fold_comparison): Move folding of
7904 PTR + CST CMP PTR + CST ...
7905 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7907 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7909 * doc/install.texi (Prerequisites): Refine some wording on
7910 bootstrapping and ksh.
7911 Move the version numbers of DejaGnu here from the testing section
7912 and fix casing of names.
7913 Fix markup and clarify wording for autogen requirements.
7914 Refer to GCJ instead of just java.
7915 Refer to SVN instead of CVS.
7916 Describe diffutils as useful instead of necessary.
7917 (Downloading the source): Refer to SVN instead of CVS.
7918 Adjust a link to our web site accordingly.
7919 (Configuration): Fix casing of Bison.
7920 (Building): Refer to SVN instead of CVS.
7921 Fix a sentence on the use of Bison and remove duplicate (and
7922 incorrect) version number of Bison requirement.
7923 Remove one redundant list of packages needed for building.
7924 (Specific): Avoid reference to CVS.
7926 2006-04-04 Eric Christopher <echristo@apple.com>
7928 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7929 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7930 (rs6000_handle_struct_attribute): New.
7931 (rs6000_ms_bitfield_layout_p): Ditto.
7933 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7935 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7936 NULL for dso parameter to atexit_common.
7938 2006-04-04 Eric Christopher <echristo@apple.com>
7940 * config/i386/i386.c (machopic_output_stub): Output \t
7941 between instructions and operands.
7943 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7945 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7946 satisfies_constraint_[IL] to explicit tests on value.
7948 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7950 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7951 set_nb_iterations_in_loop): Use build_int_cst instead of
7953 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7954 build_int_cst instead of convert.
7956 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7958 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7959 new value 2 for incoming.
7960 * function.c (expand_function_start): Call struct_value_rtx
7962 * config/sparc/sparc.md: Comment updated_return.
7963 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7964 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7965 struct return if sparc_std_struct_return and incoming is 2.
7966 (print_operand): Do not adjust return if
7967 sparc_std_struct_return.
7969 2006-04-04 Roger Sayle <roger@eyesopen.com>
7971 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7972 convert in the middle-end.
7973 * expr.c (store_expr, store_constructor, get_inner_reference,
7974 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7976 * tree.c (build_range_type): Likewise.
7978 2006-04-04 Tom Tromey <tromey@redhat.com>
7980 * doc/install.texi (Prerequisites): Mention jar.
7982 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7984 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7987 2006-04-04 Matthias Klose <doko@debian.org>
7989 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7993 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7996 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7998 * doc/extend.texi (Function Attributes): Rewrite visibility
7999 attribute documentation.
8000 * doc/invoke.texi (C++ Dialect Options): Rewrite
8001 -fvisibility-inlines-hidden documentation to describe something
8002 entirely different, although in practise compatible.
8003 (Code Gen Options): Warn about system headers in -fvisibility=
8006 * doc/extend.texi (Other Builtins): Document that
8007 __builtin_nan is a compile-time constant only when its argument
8010 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8012 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8013 trying to remove TRUNCATE check if all bits outside the new mode
8014 are identical to the sign bit.
8016 2006-04-03 Jeff Law <law@redhat.com>
8018 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8019 and operand scanning in some common cases.
8021 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8022 Dale Johannesen <dalej@apple.com>
8025 * regclass.c (struct reg_pref): Update documentation.
8026 (regclass): Set prefclass to NO_REGS if memory is the best option.
8027 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8028 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8029 into account. For non-registers, equate an empty preferred
8030 reload class to a `!' in the constraint; move the if clause to
8031 do so after those that reject the insn.
8032 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8034 (find_dummy_reload): Likewise.
8035 * doc/tm.texi (Register Classes): Document what it means
8036 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8037 * config/i386/i386.c (ix86_preferred_reload_class): Force
8038 using SSE registers (and return NO_REGS for floating-point
8039 constants) if math is done with SSE.
8040 (ix86_preferred_output_reload_class): New.
8041 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8042 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8043 * config/i386/i386.md: Remove # register preferences.
8045 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8048 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8049 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8050 the type of nb_iter.
8051 (instantiate_parameters_1): Convert the operands before calling
8052 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8053 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8055 2006-04-02 Roger Sayle <roger@eyesopen.com>
8057 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8058 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8060 * dojump.c (do_jump): Likewise.
8061 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8062 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8063 gimplify_boolean_expr): Likewise.
8064 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8065 * varasm.c (array_size_for_constructor): Likewise.
8066 * tree-object-size.c (compute_object_offset): Likewise.
8068 2006-04-02 Roger Sayle <roger@eyesopen.com>
8071 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8072 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8074 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8076 PR tree-optimization/26939
8077 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8079 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8081 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8082 at_stmt. Convert the type of operands before calling
8083 build_polynomial_chrec.
8084 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8086 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8087 (instantiate_parameters_1): Convert the type of operands before calling
8088 build_polynomial_chrec.
8089 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8090 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8091 reset_evolution_in_loop): Insert asserts to check the types of the
8093 (chrec_type): Moved...
8094 (eq_evolutions_p): Use operand_equal_p.
8095 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8096 the types of the operands.
8097 (chrec_type): ...here.
8098 * tree-data-ref.c (create_data_ref): Convert the operands before
8099 calling chrec_replace_initial_condition.
8100 (same_access_functions, analyze_subscript_affine_affine,
8101 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8102 (compute_subscript_distance, analyze_ziv_subscript,
8103 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8104 analyze_miv_subscript): Convert the operands before calling
8105 chrec_fold_minus or chrec_fold_plus.
8107 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8109 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8110 the dependence_relations vector.
8111 (compute_data_dependences_for_loop): Adjust call to
8112 compute_all_dependences.
8114 2006-04-01 Roger Sayle <roger@eyesopen.com>
8115 Richard Henderson <rth@redhat.com>
8117 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8118 gimple_boolify on the condition before calling gimplify_expr.
8120 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8122 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8123 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8124 the frame size. Update to use the new macros.
8125 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8126 * config/xtensa/ieee754-df.S: Likewise.
8128 2006-03-31 Richard Henderson <rth@redhat.com>
8130 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8131 (make_edges): ... here. Control fallthru creation with a local
8132 variable. Do not play with fake edges.
8133 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8134 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8137 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8139 * dwarf2.h (DW64_CIE_ID): Define.
8140 * dwarf2out.c (DWARF_CIE_ID): Define.
8141 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8142 length header. Use DWARF_CIE_ID.
8143 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8144 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8146 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8148 * config/sh/linux-atomic.asm: New file.
8149 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8151 2006-03-31 DJ Delorie <dj@redhat.com>
8153 * config/m32c/cond.md: Set condition flags properly throughout.
8154 * config/m32c/minmax.md: Likewise.
8155 * config/m32c/prologue.md: Likewise.
8156 * config/m32c/bitops.md: Likewise.
8157 * config/m32c/muldiv.md: Likewise.
8158 * config/m32c/mov.md: Likewise.
8159 * config/m32c/addsub.md: Likewise.
8160 * config/m32c/m32c.md: Likewise.
8161 * config/m32c/jump.md: Likewise.
8162 * config/m32c/shift.md: Likewise.
8164 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8165 conditionally output the pattern for this.
8166 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8167 (m32c_compare_redundant): New.
8168 (m32c_output_compare): New.
8169 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8171 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8172 dest, not src. Allow other 4-byte modes.
8174 2006-03-30 Denis Chertykov <denisc@overta.ru>
8176 * doc/md.texi: Refer to avr/constraints.md instead of
8179 2006-03-30 Roger Sayle <roger@eyesopen.com>
8181 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8182 signed vs. unsigned comparison failures on some hosts.
8184 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8187 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8188 change to FLOAT_REGS.
8190 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8191 (rs6000_override_options): Use it.
8192 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8193 only for -mabi=spe/no-spe and -mabi=altivec.
8195 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8197 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8200 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8202 * Makefile.in: Rename docdir to gcc_docdir.
8204 2006-03-30 Roger Sayle <roger@eyesopen.com>
8207 * expr.c (emit_group_store): Optimize group stores into a pseudo
8208 register by using a paradoxical subreg to initialize the destination
8209 if the first or last member of the group specifies a "low part".
8211 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8214 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8215 * target.h (struct gcc_target.speculate_insn): Change type of the
8216 second parameter to 'int'.
8217 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8218 the second operand of the DEPS_LIST.
8219 (copy_DEPS_LIST_list): Update reference to the second operand of the
8221 * rtl.h (alloc_DEPS_LIST): Update signature.
8222 * sched-int.h (ds_t): Change typedef to 'int'.
8223 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8225 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8227 * haifa-sched.c (try_ready): Change condition to restore
8228 non-speculative pattern of the instruction.
8229 (process_insn_depend_be_in_spec): Code to keep probability of the
8230 speculative dependence non-decreasing.
8232 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8234 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8235 (single_move_for_movmem): ... this. Also change all uses.
8236 (bfin_expand_strmov): Renamed to...
8237 (bfin_expand_movmem): ... this. Also change all uses.
8238 * config/bfin/bfin.md (movstrsi): Renamed to...
8239 (movstrsi): ...this.
8241 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8243 PR tree-optimization/26830
8245 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8246 (copy_prop_visit_stmt): Remove write-only variable ann.
8247 (init_copy_prop): Check variable loop depth here. Do not simulate
8248 memory-tag and virtual operand PHIs except for store copy prop.
8250 2006-03-30 Richard Guenther <rguenther@suse.de>
8252 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8253 variants with double arguments.
8255 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8257 * genpreds.c (write_tm_constrs_h): Delete variable p.
8258 * genconditions.c (write_header): Add tm-constrs.h to included
8260 * genpeep.c (main): Add toplev.h to included headers.
8261 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8262 (build/genpeep.o): Add toplev.h dependency.
8263 * config/rs6000/constraints.md: Add "W" constraint.
8265 2006-03-29 Roger Sayle <roger@eyesopen.com>
8267 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8268 sizes by correctly testing whether the size fits a host integer.
8269 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8270 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8271 SImode range for the default sizetype and bitsizetype.
8273 2006-03-29 Roger Sayle <roger@eyesopen.com>
8275 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8276 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8277 quickly if the argument is already of the correct type.
8278 Call fold_build1 instead of build1. Tidy up blank lines.
8280 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8282 * genemit.c (main): Add tm-constrs.h to included headers.
8283 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8284 * genpeep.c (main): Add tm-constrs.h to included headers.
8285 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8286 (write_tm_constrs_h): this and write complete file.
8287 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8288 (write_insn_preds_c): Add tm-constrs.h to included headers.
8289 (gen_constrs): New variable.
8290 (parse_option): Parse "-c".
8291 (main): Invoke write_tm_constrs_h.
8292 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8293 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8294 (object_out_file): Add tm-constrs.h dependency.
8295 (insn-emit.o): Same.
8296 (insn-output.o): Same.
8297 (insn-peep.o): Same.
8298 (insn-preds.o): Same.
8299 (insn-recog.o): Same.
8300 (tm-constsr.h): New target.
8301 (s-constrs-h): New target.
8303 * config/rs6000/constraints.md: New file.
8304 * config/rs6000/rs6000.c: Include tm-constrs.h.
8305 (num_insn_constant_wide): Convert to satisfies_constraint.
8306 (rs6000_rtx_costs): Convert to satisfies_constraint.
8307 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8308 (CONST_OK_FOR_LETTER_P): Delete.
8309 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8310 (EXTRA_CONSTRAINT): Delete.
8311 (EXTRA_MEMORY_CONSTRAINT): Delete.
8312 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8313 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8314 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8315 satisfies_constraint.
8317 * config/i386/i386.c: Include tm-constrs.h.
8319 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8321 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8322 * tree-data-ref.c (find_data_references_in_loop,
8323 compute_data_dependences_for_loop): Use pointers to VEC.
8324 (analyze_all_data_dependences): Adjust calls.
8325 * tree-data-ref.h (find_data_references_in_loop,
8326 compute_data_dependences_for_loop): Adjust declarations.
8327 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8328 compute_data_dependences_for_loop.
8330 2006-03-29 Paul Brook <paul@codesourcery.com>
8332 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8335 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8337 PR tree-optimization/26859
8338 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8340 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8341 for the step after fold_convert.
8343 2006-03-29 Paul Brook <paul@codesourcery.com>
8345 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8346 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8348 2006-03-29 Paul Brook <paul@codesourcery.com>
8351 * targhooks.c (default_narrow_bitfield): New fuction.
8352 * targhooks.h (default_narrow_bitfield): add prototype.
8353 * target.h (gcc_target): Add narrow_volatile_bitfield.
8354 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8355 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8356 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8357 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8359 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8361 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8363 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8364 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8365 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8366 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8367 (s390_function_arg_float): Allow SDmode and DDmode values to be
8368 passed in floating point registers.
8369 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8370 check with SCALAR_FLOAT_MODE_P.
8371 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8373 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8375 PR tree-optimization/25985
8376 * tree-ssa-loop-niter.c (number_of_iterations_le,
8377 number_of_iterations_ne): Make comments more precise.
8378 (number_of_iterations_cond): Add only_exit argument. Use the
8379 fact that signed variables do not overflow only when only_exit
8381 (loop_only_exit_p): New.
8382 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8383 number_of_iterations_cond.
8385 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8387 PR tree-optimization/26643
8388 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8391 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8393 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8394 (divsi3_i4_int): Likewise.
8396 2006-03-28 Roger Sayle <roger@eyesopen.com>
8398 * expr.c (emit_group_store): Only create a new pseudo reg if the
8399 quantity it needs to hold isn't already a suitable pseudo.
8401 2006-03-28 Jeff Law <law@redhat.com>
8403 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8404 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8406 2006-03-28 Roger Sayle <roger@eyesopen.com>
8408 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8409 the equivalent ~X & Y, and the symmetry related transformations.
8410 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8411 ~X & Y, and symmetry related transforms.
8413 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8415 Revert my 2006-03-27 patches.
8417 2006-03-28 Roger Sayle <roger@eyesopen.com>
8419 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8420 ~(T1)X, when T1 and T2 are integer types of the same precision
8421 and (T2)X isn't an extension.
8423 2006-03-28 Jeff Law <law@redhat.com>
8425 PR tree-optimization/26796
8426 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8427 need EH edge cleanups rather than purging them immediately.
8428 (eliminate_degenerate_phis): Handle queued EH cleanups.
8430 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8432 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8435 2006-03-27 Roger Sayle <roger@eyesopen.com>
8438 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8439 cast BIT_NOT_EXPR operand to the correct type.
8441 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8443 * tree-loop-linear.c: Don't include varray.h.
8444 (gather_interchange_stats, try_interchange_loops,
8445 linear_transform_loops): Use VEC instead of VARRAY.
8446 * lambda-mat.c: Don't include varray.h.
8447 * tree-chrec.c: Same.
8448 * lambda-trans.c: Same.
8449 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8450 VEC instead of VARRAY.
8451 * tree-vectorizer.h: Idem.
8452 * tree-data-ref.c (dump_data_references,
8453 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8454 initialize_data_dependence_relation, finalize_ddr_dependent,
8455 compute_all_dependences, find_data_references_in_loop,
8456 compute_data_dependences_for_loop, analyze_all_data_dependences,
8457 free_dependence_relation, free_dependence_relations,
8458 free_data_refs): Idem.
8459 * tree-data-ref.h (data_reference_p, subscript_p): New.
8460 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8461 VEC instead of VARRAY.
8462 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8463 (find_data_references_in_loop, compute_data_dependences_for_loop,
8464 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8465 dump_data_dependence_relations, free_dependence_relations,
8466 free_data_refs): Adjust declaration.
8467 (lambda_transform_legal_p): Move declaration here...
8468 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8469 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8470 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8471 vect_analyze_data_refs): Use VEC instead of VARRAY.
8472 * lambda.h (lambda_transform_legal_p): ...from here.
8473 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8474 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8475 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8476 tree-chrec.o): Don't depend on VARRAY_H.
8478 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8480 * rtl.def (Copyright): Update date.
8481 (DEPS_LIST): Change type of the second operand to 'int'.
8482 * target.h (Copyright): Update date.
8483 (struct gcc_target.speculate_insn): Change type of the second parameter
8485 * lists.c (Copyright): Update date.
8486 (alloc_DEPS_LIST): Change signature. Update reference to the second
8487 operand of the DEPS_LIST.
8488 (copy_DEPS_LIST_list): Update reference to the second operand of the
8490 * rtl.h (Copyright): Update date.
8491 (alloc_DEPS_LIST): Update signature.
8492 * sched-int.h (Copyright): Update date.
8493 (ds_t): Change typedef to 'int'.
8494 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8496 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8498 * haifa-sched.c (Copyright): Update date.
8499 (try_ready): Change condition to restore non-speculative pattern
8501 (process_insn_depend_be_in_spec): Code to keep probability of the
8502 speculative dependence non-decreasing.
8504 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8506 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8507 shut up the compiler.
8509 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8511 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8512 to use lib prefix for target.
8513 ($(T)libic_invalidate_array_4-200.a): Likewise.
8514 ($(T)libic_invalidate_array_4a.a): Likewise.
8516 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8517 J"orn Rennecke <joern.rennecke@st.com>
8519 * superh.opt: New file.
8520 * sh.c (boardtype, osruntime): Remove.
8521 * superh.h (SUBTARGET_OPTIONS): Remove.
8522 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8524 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8525 arguments with ^ and/or [].
8527 * config.gcc (sh-*-*): Add quoting to account for quirk of
8529 Replace == with = in enable_incomplete_targets test.
8531 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8532 with MASK_LITTLE_ENDIAN.
8534 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8535 * config/sh/sh.opt: Added to some comments.
8536 * config/sh/superh.h: Removed some chaff.
8538 * config/sh/sh.opt: Add m4-[1234]00* options.
8539 * config/sh/sh.c (sh_handle_option): Likewise.
8540 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8541 (ic_invalidate_array_4-100.o): New rule.
8542 ($(T)libic_invalidate_array_4-100.a): Likewise.
8543 (ic_invalidate_array_4-200.o): Likewise.
8544 ($(T)libic_invalidate_array_4-200.a): Likewise.
8545 (ic_invalidate_array_4a.o): Likewise.
8546 ($(T)libic_invalidate_array_4a.a): Likewise.
8547 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8548 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8550 * config/sh/crt1.asm: Merged in profiling code.
8551 * config/sh/superh.h (STARTFILE_SPEC): Override.
8552 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8553 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8554 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8556 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8557 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8558 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8560 * sh.opt (mpretend-cmove): New option.
8561 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8562 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8563 (movsicc): Add TARGET_PRETEND_CMOVE code.
8565 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8567 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8568 s390_class_max_nregs): New function prototypes.
8569 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8570 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8571 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8572 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8574 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8576 * dwarf2out.c (add_location_or_const_value_attribute): Call
8577 tree_add_const_value_attribute if nothing else works.
8578 (reference_to_unused): New.
8579 (rtl_for_decl_init): Use reference_to_unused to decide whether
8580 to output an initializer.
8582 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8585 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8586 peephole removing spe frob_di_df_2.
8588 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8590 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8591 (subscript_dependence_tester_1): Declared.
8592 (print_dir_vectors, print_dist_vectors): New.
8593 (debug_data_dependence_relation): New.
8594 (dump_data_dependence_relation): Print more details.
8595 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8596 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8597 (save_dist_v, save_dir_v, add_outer_distances,
8598 build_classic_dist_vector_1): New.
8599 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8600 Don't test for lambda_vector_lexico_pos.
8601 (same_access_functions, add_multivariate_self_dist,
8602 add_other_self_distances, dir_from_dist): New.
8603 (build_classic_dir_vector): Replace implementation almost identical to
8604 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8606 (subscript_dependence_tester_1): New.
8607 (subscript_dependence_tester): Handle the lexicographically negative
8608 distance vectors by recomputing the dependence relation.
8609 (compute_affine_dependence): Remove parameter loop_nest_depth.
8610 (compute_self_dependence): Don't call compute_subscript_distance.
8611 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8612 Add a parameter for the loop_nest.
8613 (find_loop_nest_1, find_loop_nest): New.
8614 (compute_data_dependences_for_loop): Compute the loop nest, and give
8615 up if the nest is not well formed.
8616 * tree-data-ref.h (loop_p): New.
8617 (struct data_dependence_relation): Replace size_vect field with
8618 loop_nest, a vec of loops.
8619 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8620 (DDR_LOOP_NEST): New.
8621 (print_dir_vectors, print_dist_vectors,
8622 debug_data_dependence_relation): Declared.
8623 (index_in_loop_nest): New.
8624 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8625 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8628 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8630 * simplify-rtx.c (simplify_relational_operation): Call
8631 simplify_relational_operation_1 even if mode is VOIDmode.
8633 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8635 PR tree-optimization/26804
8636 * tree.h (DECL_CALL_CLOBBERED): New macro.
8637 (tree_decl_common): Add call_clobbered_flag.
8638 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8639 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8640 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8641 (mark_non_addressable): Ditto.
8642 * tree-ssa.c (verify_call_clobbered): New function.
8643 (verify_alias_info): Use it.
8644 * tree-pass.h (pass_reset_cc_flags): New prototype.
8645 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8646 (reset_cc_flags): New function.
8647 * passes.c (init_optimization_passes): Call reset_cc_flags after
8648 initializing referenced_vars.
8650 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8651 Roger Sayle <roger@eyesopen.com>
8654 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8655 to 1.0 for non-real operands. Implement A / A optimization for
8658 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8660 * config/i386/i386.c (size_cost): Correct the comment for
8661 cost of storing fp registers.
8662 (i386_cost): Likewise.
8663 (i486_cost): Likewise.
8664 (pentium_cost): Likewise.
8665 (pentiumpro_cost): Likewise.
8666 (k6_cost): Likewise.
8667 (athlon_cost): Likewise.
8668 (k8_cost): Likewise.
8669 (pentium4_cost): Likewise.
8670 (nocona_cost): Likewise.
8671 (generic64_cost): Likewise.
8672 (generic32_cost): Likewise.
8674 2006-03-24 Denis Chertykov <denisc@overta.ru>
8676 * config/avr/avr-protos.h (extra_constraint): Delete.
8677 (extra_constraint_Q): New declaration.
8678 * config/avr/constraints.md: New file.
8679 * config/avr/avr.md: Include it.
8680 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8681 (TMP_REGNO, ZERO_REGNO): Likewise.
8682 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8683 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8684 (extra_constraint): Delete.
8685 (extra_constraint_Q): Test for memory constraint 'Q'.
8686 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8687 (REG_CLASS_FROM_LETTER): Delete.
8688 (CONST_OK_FOR_LETTER_P): Delete.
8689 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8690 (EXTRA_CONSTRAINT): Delete.
8691 (TMP_REGNO): Delete.
8692 (ZERO_REGNO): Delete.
8694 2006-03-24 Jeff Law <law@redhat.com>
8696 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8697 directly. Call mark_new_vars_to_rename slightly earlier.
8699 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8701 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8703 (gen_compile_unit_die): Use new language types for Objective-C and
8705 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8706 DW_LANG_C_plus_plus.
8709 * config/t-darwin (crt3.o): Work around bug 26840.
8710 * config/darwin-crt3.c: Rewrite.
8711 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8713 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8715 * doc/invoke.texi: Document -femit-class-debug-always
8716 * common.opt: Add -femit-class-debug-always.
8718 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8720 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8721 index and base register.
8722 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8723 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8724 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8725 REGNO_OK_FOR_INDEX_P.
8726 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8728 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8729 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8730 REG_OK_FOR_BASE_P): Definitions removed.
8732 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8735 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8736 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8737 set yet or weren't marked as local yet.
8739 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8741 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8744 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8746 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8747 (rs6000_legitimate_small_data_p): Delete.
8748 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8749 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8750 and make static. Add forward declaration. Update uses.
8751 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8752 of offsettable_memref_p.
8753 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8754 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8756 2006-03-24 Jeff Law <law@redhat.com>
8758 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8759 around bug in immediate-use iterator.
8761 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8764 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8765 or __LITTLE_ENDIAN__.
8767 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8769 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8770 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8771 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8772 * config/sh/sh.opt (mdiv=): Amend description.
8773 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8774 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8775 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8776 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8777 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8778 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8779 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8780 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8781 TARGET_DIVIDE_CALL_FP.
8783 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8785 * haifa-sched.c (choose_ready): Fix type of the local variable.
8786 Move local variables. Add comment.
8787 (check_reg_live): Change signature. Make callable from debugger.
8788 * sched-int.h (check_reg_live): Update signature.
8789 * sched-ebb.c (check_reg_live): Update parameters.
8790 * sched-rgn.c (check_reg_live): Ditto.
8791 (region_head_or_leaf_p): Check pointer before dereferencing.
8792 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8793 before reload on optimization levels below 1.
8795 2006-03-23 Richard Henderson <rth@redhat.com>
8797 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8801 * config/alpha/predicates.md (local_symbolic_operand): Reject
8804 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8807 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8808 expressions which have overflowed constants.
8810 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8812 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8814 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8816 * cfgloopmanip.c (create_loop_notes): Removed.
8817 * final.c (final_scan_insn): Do not handle loop notes.
8818 * jump.c (squeeze_notes): Ditto.
8819 * cfglayout.c (skip_insns_after_block,
8820 duplicate_insn_chain): Ditto.
8821 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8823 * cfgloop.h (create_loop_notes): Declaration removed.
8825 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8827 * varasm.c (output_constant_pool): Restore fnname and fndecl
8829 (assemble_start_function): Adjust call accordingly.
8830 (assemble_end_function): Likewise.
8832 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8835 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8838 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8840 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8843 * system.h (ICE_EXIT_CODE): New macro.
8844 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8845 (diagnostic_action_after_output): Likewise.
8846 * gcc.c (fatal_ice): New function.
8847 (execute): Use it instead of fatal.
8848 (fancy_abort): Likewise.
8849 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8851 2006-03-22 Jeff Law <law@redhat.com>
8853 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8854 iv_analyze_result returning false.
8856 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8858 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8860 2006-03-22 Richard Henderson <rth@redhat.com>
8863 * except.c (duplicate_eh_regions_0): New.
8864 (duplicate_eh_region_1): Duplicate the children of the node as
8865 well as the node itself. Link them up properly.
8866 (duplicate_eh_region_2): Merge into ...
8867 (duplicate_eh_regions): ... here. Take copy_region argument, and
8868 copy only a sub-tree if asked. Simplify copying and fixup.
8869 (eh_region_outer_p): New.
8870 * except.h (duplicate_eh_regions): Update decl.
8871 (eh_region_outer_p): Declare.
8872 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8873 (lower_omp_master): Likewise.
8874 (lower_omp_ordered): Likewise.
8875 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8876 (move_stmt_r): Use it to remap labels. Handle recursion vs
8877 remap_decls_p properly.
8878 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8879 (find_outermost_region_in_block): New.
8880 (new_label_mapper): New.
8881 (move_sese_region_to_fn): Copy eh information to the new function
8883 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8885 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8888 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8890 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8891 into shared libraries.
8893 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8895 * doc/md.texi: Refer to i386/constraints.md instead of
8897 * config/i386/constraints.md: New file, extracted from...
8898 * config/i386/predicates.md: ...here.
8899 * config/i386/i386.md: Include constraints.md.
8901 2006-03-21 Jason Merrill <jason@redhat.com>
8903 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8906 * expr.c (init_block_move_fn): Force default visibility.
8907 (init_block_clear_fn): Likewise.
8908 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8909 * targhooks.c (default_external_stack_protect_fail): Likewise.
8911 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8913 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8914 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8915 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8916 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8917 (loadgp): Use mips_current_loadgp_style.
8918 (loadgp_noshared): New pattern.
8919 (sibcall_internal): Use MIPS_CALL.
8920 (sibcall_value_internal): Likewise.
8921 (sibcall_value_multiple_internal): Likewise.
8922 (call_internal): Likewise.
8923 (call_value_internal): Likewise.
8924 (call_value_multiple_internal): Likewise.
8925 (call_split): Use MIPS_CALL and add an 'S' constraint.
8926 (call_value_split): Likewise.
8927 (call_value_multiple_split): Likewise.
8928 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8929 (-mshared): New option.
8930 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8931 (mips_current_loadgp_style): Declare.
8932 * config/mips/mips.c (mips_classify_symbol): Avoid using
8933 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8934 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8935 TARGET_ABSOLUTE_ABICALLS.
8936 (override_options): Adjust comments. Improve the warning that is
8937 issued when -mabicalls and -G are used together.
8938 (mips_file_start): Remove comment.
8939 (mips_current_loadgp_style): New function.
8940 (mips_gnu_local_gp): New variable.
8941 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8943 (mips_output_function_prologue): Use mips_current_laodgp_style.
8944 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8945 the cprestore instruction.
8946 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8947 live for TARGET_ABSOLUTE_ABICALLS.
8948 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8949 (ASM_SPEC): Pass down -mshared and -mno-shared.
8950 (MIPS_CALL): New macro.
8951 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8953 * doc/invoke.texi (-mabicalls): Update documentation.
8954 (-mshared): Document.
8956 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8958 * config/ia64/unwind-hpux.c: New file.
8959 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8961 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8964 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8966 2006-03-21 Jeff Law <law@redhat.com>
8968 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8969 type conversions of a VR_VARYING source to a wider type.
8971 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8973 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8974 tm_file on Solaris 10 and later.
8975 (sparc64-*-solaris2*): Likewise.
8976 (sparc-*-solaris2*): Likewise.
8977 * config/sol26.h: Rename to config/sol2-6.h.
8978 * config/sol2-10.h: New file.
8980 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8983 * tree-ssa-pre.c (create_component_ref_by_pieces):
8986 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8989 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8990 return it immediately.
8992 2006-03-21 Michael Matz <matz@suse.de>
8994 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8996 (remove_arc, add_arc): Update num_out_arcs member.
8997 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8999 (cache_presence): New function.
9000 (compare_states_for_equiv): New function.
9001 (state_is_differed): Don't take number of outargs, adjust callers.
9002 Use new invariant for speeding up.
9003 (init_equiv_class): Create initial classes based on sorted
9005 (partition_equiv_class): Don't track out_arcs_num.
9006 (evaluate_equiv_classes): Call cache_presence on all states and
9009 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9011 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9012 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9013 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9014 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9016 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9017 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9018 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9019 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9020 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9022 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9023 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9024 (REGNO_REG_CLASS): ARGP is in PREGS.
9025 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9027 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9028 to deal with those addresses.
9029 * addresses.h: New file.
9030 * caller-save.c: Include "addresses.h".
9031 (init_caller_save): Use new base_reg_class function.
9032 * rtl-factoring.c: Include "addresses.h".
9033 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9034 * recog.c: Include "addresses.h".
9035 (preprocess_constraints): Use new base_reg_class function.
9036 * regrename.c: Include "addresses.h".
9037 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9038 functions. Keep track of a new var INDEX_CODE to compute valid
9040 (replace_oldest_value_addr): Likewise.
9041 (replace_oldest_value_mem): Use base_reg_class.
9042 * reload.c: Include "addresses.h".
9043 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9044 (find_reloads): Use new base_reg_class function.
9045 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9046 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9047 all callers and prototype changed.
9048 * reload1.c: Include "addresses.h".
9049 (maybe_fix_stack_asms): Use base_reg_class.
9050 * regclass.c: Include "addresses.h".
9051 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9052 (init_reg_autoinc): Use new base_reg_class function.
9053 (record_reg_classes): Likewise.
9054 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9055 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9056 Use new args to compute necessary class.
9058 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9059 regrename.o, rtl-factoring.o): Update dependencies.
9060 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9061 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9062 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9063 REG_OK_FOR_INDEX_P): Delete documentation.
9065 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9067 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9068 from V7 to V9 for Solaris 7 and above.
9070 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9072 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9073 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9074 argument pointers may not alias any other storage.
9075 * common.opt: Define option -fargument-noalias-anything.
9076 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9077 alias semantics is specified by flag_argument_noalias > 2.
9079 2006-03-20 Jeff Law <law@redhat.com>
9081 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9082 (pass_phi_only_cprop): Declare.
9083 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9085 * tree-ssa-dom.c (degenerate_phi_result): New function.
9086 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9087 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9088 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9089 (eliminate_degenerate_phis): Likewise.
9090 (pass_phi_only_cprop): New pass descriptor.
9091 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9092 support code. Callers updated.
9093 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9094 (store_copy_prop): Likewise.
9095 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9097 2006-03-20 Jason Merrill <jason@redhat.com>
9100 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9101 (push_visibility, pop_visibility): Likewise.
9102 * c-pragma.h: Declare them.
9104 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9106 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9108 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9109 parameter and use get_ebb_head_tail.
9110 (sh_md_init_global): Adjust uses of find_regmode_weight.
9112 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9114 * function.h (struct function) <x_tail_recursion_reentry>:
9115 Rename to x_stack_check_probe_note.
9116 (tail_recursion_reentry): Rename to stack_check_probe_note.
9117 * function.c: Replace tail_recursion_reentry with
9118 stack_check_probe_note everywhere.
9119 (expand_function_start): Only emit a note for
9120 stack_check_probe_note with -fstack-protect.
9121 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9123 * emit-rtl.c (remove_unnecessary_notes): Remove.
9124 (pass_remove_unnecessary_notes): Remove.
9125 * rtl.h (remove_unnecessary_notes): Remove prototype.
9126 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9127 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9128 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9130 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9133 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9134 (valid_in_set): Handle ARRAY_REF.
9135 Change "if min_variant or VH" to asserts.
9136 (create_component_ref_by_pieces): Handle ARRAY_REF.
9137 (create_expression_by_pieces): Likewise.
9138 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9140 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9142 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9143 is operand of switch, not str[0].
9145 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9147 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9148 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9150 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9152 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9153 end of insn_extra_address_constraint declaration.
9155 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9157 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9158 (no-sum-in-toc): Same.
9159 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9161 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9162 NO_FP_IN_TOC for -fPIC instead of mask.
9164 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9165 (BOOT_LDFLAGS): Delete.
9167 * config/rs6000/t-aix52: Same.
9169 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9170 (stmsi[345678]_power): New.
9172 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9174 * config/ia64/ia64.opt: Add empty line to end of file.
9176 2006-03-17 Richard Guenther <rguenther@suse.de>
9179 * builtins.c (get_pointer_alignment): For component style references
9180 adjust alignment to the component type alignment. Make sure
9181 to adjust alignment for component access of constants.
9183 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9185 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9188 2006-03-17 Paul Brook <paul@codesourcery.com>
9190 * doc/install.texi: Docuemnt --with-mode.
9191 * config.gcc: Add --with-mode for arm*-*-*.
9192 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9194 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9196 * sh.c (max_labelno_before_reorg): New variable.
9197 (sh_reorg): Initialize it.
9198 (find_barrier): Check max_labelno_before_reorg before using
9199 label_to_alignment. Take length of explicit alignment insns
9200 into account. When seeing a UNSPECV_CONST_END, return it.
9202 * sh.c (fixup_mova): Set mode of affected label to QImode.
9203 (untangle_mova): New function.
9204 (find_barrier): Use it. Check mode of label before decrementing
9206 (sh_reorg): Likewise.
9207 Set mode of all insns back to VOIDmode.
9209 * sh.c (MOVA_LABELREF): New macro.
9210 (mova_p, fixup_mova, sh_reorg): Use it.
9211 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9212 ADDR_DIFF_VEC matches mova.
9214 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9216 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9217 with ATTRIBUTE_UNUSED.
9219 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9221 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9222 pointer, instead of assuming it is possible to derive the
9223 correct args size from a call insn.
9225 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9227 * rtl.h (CONST_INT_P): Define.
9228 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9229 instead of GET_CODE(x) == CONST_INT.
9230 (vax_rtx_costs): Likewise.
9231 (vax_output_int_move): Likewise.
9232 (vax_output_int_add): Likewise.
9233 (legitimate_constant_address_p): Likewise.
9234 (index_term_p): Likewise.
9235 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9236 * config/vax/vax.md (and<mode>3): Likewise.
9237 (ashrsi3): Likewise.
9239 (movstricthi): Likewise.
9240 (movstrictqi): Likewise.
9241 (rotrsi3): Likewise.
9242 (five unnamed insns): Likewise.
9244 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9246 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9247 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9248 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9249 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9250 Pass to ASM_OUTPUT_DWARF_OFFSET.
9251 * dwarf2out.c (debug_frame_section): New.
9252 (output_call_frame_info): Use debug_frame_section. Pass it to
9253 dw2_asm_output_offset.
9254 (output_die): Pass appropriate section to dw2_asm_output_offset.
9255 (output_compilation_unit_header): Likewise.
9256 (output_pubnames): Likewise.
9257 (output_aranges): Likewise.
9258 (enum dw_val_class): Break dw_val_class_lbl_offset into
9259 dw_val_class_lineptr and dw_val_class_macptr.
9260 (add_AT_lbl_offset): Delete.
9261 (add_AT_lineptr): New.
9262 (add_AT_macptr): New.
9263 (AT_lbl): Expect a lineptr or macptr.
9264 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9265 (attr_checksum): Likewise.
9266 (same_dw_val_p): Likewise.
9267 (size_of_die): Likewise.
9268 (value_format): Likewise.
9269 (output_die): Likewise.
9270 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9272 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9273 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9274 * config/darwin-protos.h (darwin_file_start): New.
9275 (darwin_asm_output_dwarf_offset): New.
9276 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9277 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9279 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9280 if not EH section; simplify.
9281 (darwin_file_start): New.
9282 (darwin_asm_output_dwarf_offset): New.
9283 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9285 (DEBUG_INFO_SECTION): Likewise.
9286 (DEBUG_ABBREV_SECTION): Likewise.
9287 (DEBUG_ARANGES_SECTION): Likewise.
9288 (DEBUG_MACINFO_SECTION): Likewise.
9289 (DEBUG_LINE_SECTION): Likewise.
9290 (DEBUG_LOC_SECTION): Likewise.
9291 (DEBUG_PUBNAMES_SECTION): Likewise.
9292 (DEBUG_STR_SECTION): Likewise.
9293 (DEBUG_RANGES_SECTION): Likewise.
9294 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9295 (ASM_OUTPUT_DWARF_OFFSET): New.
9297 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9299 * config.gcc (tm_defines): Always add to previous value rather
9302 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9304 * config/mips/predicates.md (splittable_const_int_operand): New,
9305 split from move_operand.
9306 (splittable_symbolic_operand): New.
9307 (move_operand): Add commentary. Use splittable_const_int_operand.
9308 Inline mips_atomic_symbolic_constant_p.
9309 * config/mips/mips.md: Add combine splitters for handling moves
9310 of splittable_const_int_operands and splittable_symbolic_operands.
9311 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9312 (mips_split_symbol): Declare.
9313 (mips_move_integer): Declare.
9314 * config/mips/mips.c (mips_split_p): Make global.
9315 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9316 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9317 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9318 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9319 (mips_offset_within_object_p): Handle block symbols.
9320 (mips_atomic_symbolic_constant_p): Delete.
9321 (mips_cannot_force_const_mem): Return false for constants that
9322 mips_legitimize_move can handle.
9323 (mips_use_blocks_for_constant_p): New function.
9324 (mips_split_symbol): Make global.
9325 (mips_move_integer): Likewise. Add a temporary register argument.
9326 (mips_legitimize_const_move): Use splittable_const_int_operand and
9327 splittable_symbolic_operand.
9328 (mips_use_anchors_for_symbol_p): New function.
9329 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9330 (mips_split_p): Declare.
9332 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9334 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9335 (mips*-*-linux*): Likewise.
9337 2006-03-16 Roger Sayle <roger@eyesopen.com>
9338 Daniel Speyer <dspeyer@wam.umd.edu>
9341 * tree-dump.c (dump_real): New function.
9342 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9343 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9344 (tree-dump.o): Add $(REAL_H) to the dependencies.
9346 2006-03-16 Roger Sayle <roger@eyesopen.com>
9349 * real.c (real_from_string): If the mantissa is zero, don't bother
9350 parsing the exponent as the result should always be zero.
9352 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9354 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9356 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9358 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9359 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9360 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9361 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9362 ia64_sched_finish_global): New static functions to implement
9363 hooks from gcc_target.sched.
9364 (spec_check_no, max_uid, pending_data_specs): New static variables.
9365 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9366 ia64_spec_check_src_p): New static functions.
9367 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9368 (TARGET_SCHED_ADJUST_COST): Removed.
9369 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9370 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9371 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9372 TARGET_SCHED_GEN_CHECK,
9373 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9374 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9375 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9376 Fixed to handle speculation checks.
9377 (rtx_needs_barrier): Fixed to handle speculative loads and
9379 (ia64_variable_issue): Added code to count speculative loads and their
9381 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9383 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9385 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9387 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9388 (ia64_reorg): Reset stops_p to NULL after it is freed.
9389 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9390 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9391 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9393 (data_speculative, control_speculative, check_load): New attributes.
9394 (mov<mode>_advanced, mov<mode>_speculative,
9395 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9396 zero_extend<mode>di2_speculative,
9397 zero_extend<mode>di2_speculative_advanced): New patterns for
9398 data and control speculative loads.
9399 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9401 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9402 New pattern for data and control speculation checks.
9403 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9404 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9405 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9406 Auxiliary definitions for the patterns.
9407 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9408 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9410 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9412 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9413 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9414 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9415 New resource constraints.
9416 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9418 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9419 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9420 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9421 msched-in-control-spec, msched-ldc, msched-control-ldc,
9422 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9423 msched-prefer-non-control-spec-insns,
9424 msched-count-spec-in-critical-path): New flags to tune speculative
9426 * doc/invoke.texi (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): Document new flags.
9433 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9435 * target.h (struct spec_info_def): New opaque declaration.
9436 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9437 speculate_insn, needs_block_p, gen_check,
9438 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9439 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9440 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9441 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9442 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9443 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9445 (TARGET_SCHED): Use new macros.
9446 * rtl.h (copy_DEPS_LIST_list): New prototype.
9447 * sched-int.h (struct sched_info): Change signature of new_ready field,
9448 adjust all initializations. New fields: add_remove_insn,
9449 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9450 region_head_or_leaf_p.
9451 (struct spec_info_def): New structure declaration.
9452 (spec_info_t): New typedef.
9453 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9454 recovery_block, orig_pat.
9455 (glat_start, glat_end): New variables declaraions.
9456 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9458 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9459 DETACH_LIFE_INFO, USE_GLAT.
9460 (enum SPEC_SCHED_FLAGS): New enumeration.
9461 (NOTE_NOTE_BB_P): New macro.
9462 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9463 attach_life_info, debug_spec_status, check_reg_live): New functions.
9464 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9465 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9467 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9468 * ddg.c (get_block_head_tail): Adjust all uses.
9469 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9470 (sms_sched_info): Initialize new fields.
9471 (contributes_to_priority): Removed.
9472 * haifa-sched.c (params.h): New include.
9473 (get_block_head_tail): Adjust all uses.
9474 (ISSUE_POINTS): New macro.
9475 (glat_start, glat_end): New global variables.
9476 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9477 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9478 old_last_basic_block, before_recovery, current_sched_info_var,
9479 rgn_n_insns, luid): New static variables.
9480 (insn_cost1): New function. Move logic from insn_cost to here.
9481 (find_insn_reg_weight1): New function. Move logic from
9482 find_insn_reg_weight to here.
9483 (reemit_notes, move_insn, max_issue): Change signature.
9484 (move_insn1): Removed.
9485 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9486 extend_bb): New static functions to support extension of scheduler's
9488 (generate_recovery_code, process_insn_depend_be_in_spec,
9489 begin_speculative_block, add_to_speculative_block,
9490 init_before_recovery, create_recovery_block, create_check_block_twin,
9491 fix_recovery_deps): New static functions to support
9492 generation of recovery code.
9493 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9494 restore_bb_notes, move_block_after_check, move_succs): New static
9495 functions to support ebb scheduling.
9496 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9497 functions to support handling of register live information.
9498 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9499 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9500 add_jump_dependencies): New static functions.
9501 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9502 consistancy checking.
9503 (debug_spec_status): New function to call from debugger.
9504 (priority): Added code to handle speculation checks.
9505 (rank_for_schedule): Added code to distinguish speculative instructions.
9506 (schedule_insn): Added code to handle speculation checks.
9507 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9508 Fixed to handle ebbs.
9509 (move_insn): Added code to handle ebb scheduling.
9510 (max_issue): Added code to use ISSUE_POINTS of instructions.
9511 (choose_ready): Added code to choose between speculative and
9512 non-speculative instructions.
9513 (schedule_block): Added code to handle ebb scheduling and scheduling of
9514 speculative instructions.
9515 (sched_init): Initialize new variables.
9516 (sched_finish): Free new variables. Print statistics.
9517 (try_ready): Added code to handle speculative instructions.
9518 * lists.c (copy_DEPS_LIST_list): New function.
9519 * sched-deps.c (extend_dependency_caches): New function. Move logic
9520 from create_dependency_caches to here.
9521 (get_dep_weak, ds_merge): Make global.
9522 * genattr.c (main): Code to output prototype for
9523 dfa_clear_single_insn_cache.
9524 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9525 (output_dfa_clean_insn_cache_func): Code to output
9526 dfa_clear_single_insn_cache function.
9527 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9529 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9531 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9532 New static variables.
9533 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9534 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9536 (ebb_sched_info): Initialize new fields.
9537 (get_block_head_tail): Adjust all uses.
9538 (compute_jump_reg_dependencies): Fixed to use glat_start.
9539 (schedule_ebb): Code to remove unreachable last block.
9540 (schedule_ebbs): Added code to update register live information.
9541 * sched-rgn.c (region_sched_info): Initialize new fields.
9542 (get_block_head_tail): Adjust all uses.
9543 (last_was_jump): Removed. Adjust users.
9544 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9545 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9546 Implement new hooks.
9547 (check_dead_notes1): New static function.
9548 (struct region): New fields: dont_calc_deps, has_real_ebb.
9549 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9550 (BB_TO_BLOCK): Fixed to handle EBBs.
9551 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9552 (ebb_head): New static variable.
9553 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9554 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9556 (compute_dom_prob_ps): New assertion.
9557 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9558 global_live_at_start.
9559 (init_ready_list): New assertions.
9560 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9561 (new_ready): Add support for BEGIN_CONTROL speculation.
9562 (schedule_insns): Fixed code that updates register live information
9564 (schedule_region): Fixed to handle EBBs.
9565 (init_regions): Use extend_regions and check_dead_notes1.
9566 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9567 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9568 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9569 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9570 TARGET_SCHED_GEN_CHECK,
9571 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9572 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9573 * doc/invoke.texi (max-sched-insn-conflict-delay,
9574 sched-spec-prob-cutoff): Document.
9576 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9578 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9579 inter_tick, queue_index.
9580 (struct sched_info): Change signature of init_ready_list field.
9581 Adjust all initializations.
9582 (RESOLVED_DEPS): New access macro.
9583 (ready_add): Remove prototype.
9584 (try_ready): Add prototype.
9585 * sched-rgn.c (init_ready_list): Use try_ready.
9586 (schedule_region): Initialize
9587 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9588 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9589 (init_ready_list): Use try_ready.
9590 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9591 * lists.c (remove_list_elem): Remove `static'.
9592 (remove_free_INSN_LIST_elem): New function.
9593 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9594 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9595 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9597 (readyp): New variable.
9598 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9599 change_queue_index, resolve_dep): New static functions.
9600 (try_ready): New function. Adjust callers in sched-rgn.c and
9601 sched-ebb.c to use it instead of ready_add.
9602 (clock_var): Move at the begining of file.
9603 (rank_for_schedule): Fix typo.
9604 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9605 (ready_lastpos): Enforce assertion.
9606 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9608 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9609 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9610 (queue_to_ready): Use free_INSN_LIST_list.
9611 (early_queue_to_ready): Fix typo.
9612 (schedule_block): Init readyp. Move init_ready_list call after the
9613 initialization of clock_var. Fix error in rejecting insn by
9614 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9615 that previously corrected INSN_TICKs. Add code for handling
9617 (set_priorities): Fix typo.
9618 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9619 Clarify comment and code that keeps current_sched_info->next_tail
9622 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9624 * sched-rgn.c (extend_rgns): New static function.
9625 (find_rgns): Use it.
9626 (gather_region_statistics, print_region_statistics): New static
9628 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9629 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9631 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9632 Andrey Belevantsev <abel@ispras.ru>
9634 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9635 * lists.c (unused_deps_list): New variable.
9636 (free_list): Add assertions to verify the proper distinguishing
9637 between INSN_LISTs and DEPS_LISTs.
9638 (find_list_elem, remove_list_elem, remove_list_node): New static
9640 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9641 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9642 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9643 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9645 (free_INSN_LIST_node): Likewise.
9646 * modulo-sched.c (current_sched_info): Initialize flags field.
9647 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9648 * rtl.def (DEPS_LIST): Define.
9649 * rtl.h: Declare new functions from lists.c.
9650 * sched-deps.c (spec_dependency_cache): New static variable.
9651 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9652 (add_dependence): Change return type to void. Move the logic to ...
9653 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9654 (delete_all_dependences): Add comment about forward_dependency_cache.
9655 Handle spec_dependency_cache. Handle DEPS_LISTs.
9656 (fixup_sched_groups): Clarify the change of priority of output
9657 and anti dependencies.
9658 (sched_analyze_2): Adjust add_dependence calls to create data
9659 speculative dependence.
9660 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9661 Adjust all callers. Handle DEPS_LISTS.
9662 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9663 presence of speculation.
9664 (init_dependency_caches, free_dependency_caches):
9665 Handle spec_dependency_cache.
9666 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9667 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9668 New static functions.
9669 (add_or_update_back_dep, add_or_update_back_forw_dep,
9670 add_back_forw_dep, delete_back_forw_dep): New functions.
9671 * sched-int.h (ds_t, dw_t): New typedefs.
9672 (struct sched_info): Add new field flags.
9673 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9674 Prototype new sched-deps.c functions.
9675 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9676 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9677 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9678 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9679 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9680 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9682 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9684 * sched-rgn.c (current_sched_info): Initialize flags field.
9685 (schedule_insns): Initialize current_sched_info before the sched_init
9687 * sched-ebb.c (current_sched_info): Initialize flags field.
9688 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9689 Call add_or_update_back_dep instead of add_dependence.
9690 Create control speculative dependencies.
9691 (schedule_insns): Initialize current_sched_info before the sched_init
9694 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9696 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9698 (sh_fallback_frame_state): Likewise.
9700 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9702 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9703 Do switch on default_use_cxa_atexit.
9704 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9705 * config/darwin-crt3.o: New.
9706 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9707 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9708 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9710 * config/rs6000/t-darwin: Move crt2.o building to here.
9711 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9712 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9715 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9717 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9718 from '! xxx' to '!xxx' for coding-style conformance.
9719 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9720 (EXTRA_CONSTRAINT): Likewise.
9721 * config/vax/vax.md (four unnamed insns): Likewise.
9723 2006-03-15 Paul Brook <paul@codesourcery.com>
9725 * config/arm/arm.c (minipool_pad): New.
9726 (add_minipool_forward_ref): Include pool alignment padding in address
9728 (push_minipool_fix): Set minipool_pad.
9729 (minipool_pad): Ditto.
9731 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9733 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9734 instead of GET_CODE() == MEM and REG_P() instead of
9736 (print_operand_address): Likewise.
9737 (vax_address_cost): Likewise.
9738 (vax_rtx_costs): Likewise.
9739 (vax_notice_update_cc): Likewise.
9740 (vax_output_int_add): Likewise.
9741 (INDEX_REGISTER_P): Likewise.
9742 (BASE_REGISTER_P): Likewise.
9743 (nonindexed_address_p): Likewise.
9744 (vax_mode_dependent_address_p): Likewise.
9745 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9746 (PRINT_OPERAND): Likewise.
9747 * config/vax/vax.md (ashlsi3): Likewise.
9748 (ashlsi3): Likewise.
9749 (some more unnamed insns): Likewise.
9751 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9753 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9754 iterator-style macro.
9755 (mark_control_dependent_edges_necessary): Update the use of
9756 EXECUTE_IF_CONTROL_DEPENDENT.
9758 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9760 * config/sh/predicates.md (cache_address_operand): Special.
9761 (ua_address_operand): Likewise.
9763 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9765 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9767 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9769 2006-03-15 Andreas Schwab <schwab@suse.de>
9771 * gensupport.c (identify_predicable_attribute): Don't free p_false
9772 when it is still in use.
9774 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9776 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9777 the default setting here.
9779 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9781 * tree-pass.h (pass_cfg): Remove.
9782 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9783 * passes.c (pass_cfg): Don't run it.
9785 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9787 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9788 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9790 (stack_regs_mentioned): Update the uses of
9791 stack_regs_mentioned_data. Don't access the array beyond its
9793 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9794 Don't include gt-reg-stack.h.
9796 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9797 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9799 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9802 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9805 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9807 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9809 2006-03-14 Richard Guenther <rguenther@suse.de>
9811 PR tree-optimization/26672
9812 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9815 2006-03-14 Richard Guenther <rguenther@suse.de>
9817 PR tree-optimization/26667
9818 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9819 node for the callees. Always allow inlining if it will shrink
9822 2006-03-14 Richard Guenther <rguenther@suse.de>
9825 * builtins.c (get_pointer_alignment): Prefer alignment
9826 information from decls over that from types.
9828 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9831 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9833 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9835 * config/rs6000/rs6000.opt (mdlmzb): New option.
9836 (msched-prolog, msched-epilog): Use Var not Mask.
9837 * doc/invoke.texi (-mdlmzb): Document.
9838 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9840 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9841 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9843 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9845 PR rtl-optimization/25739
9846 * bt-load.c (augment_live_range): Free tos pointer.
9848 * gensupport.c (identify_predicable_attribute): Free
9850 * gcov.c (create_file_names): Free name pointer.
9852 2006-03-13 Roger Sayle <roger@eyesopen.com>
9855 * stmt.c (emit_case_nodes): Handle the case where the index is a
9856 CONST_INT, where the comparison mode is specified by the index type.
9858 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9860 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9863 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9865 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9866 (*branch_fp_inverted): Likewise.
9868 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9871 * omp-low.c (expand_omp_for_generic): Mark istart0
9872 and iend0 as addressable.
9874 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9876 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9878 2006-03-13 Jeff Law <law@redhat.com>
9880 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9881 virtual operands are interesting.
9882 (vrp_visit_stmt): Corresponding changes.
9884 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9886 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9888 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9889 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9890 * config/bfin/crti.S: Use it instead of __PIC__.
9891 * config/bfin/crtn.S: Likewise.
9893 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9894 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9896 Lose 'G' modifier for call operand.
9897 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9898 recognize 'G' modifier.
9900 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9903 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9904 * stmt.c (expand_case): Likewise.
9906 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9908 PR rtl-optimization/26254
9909 * loop-invariant.c (seq_insns_valid_p): New function.
9910 (move_invariant_reg): Only emit new code if it is valid.
9912 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9914 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9916 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9917 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9918 (commit_one_edge_insertion): Do not look for loop notes.
9920 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9922 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9923 flag_test_coverage out of loop.
9925 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9927 * final.c (shorten_branches): Remove outdated comment, and turn
9928 the if branch that guards it to continue.
9930 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9932 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9933 * cfgloop.h (struct loop): Remove unused fields.
9935 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9937 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9938 (-dL, -fdump-rtl-loop2): Update the dump file names
9940 * doc/invoke.texi: Update dump file names.
9942 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9944 * predict.c (estimate_probability): Remove.
9945 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9946 * basic-block.h (estimate_probability): Remove prototype.
9947 * passes.c (finish_optimization_passes): Dump branch prediction or
9948 profiling heuristics to the .profile tree dump.
9949 (init_optimization_passes): Unqueue pass_branch_prob.
9951 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9953 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9955 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9956 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9958 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9960 * function.h (frame_offset_overflow): Declare.
9961 * function.c (frame_offset_overflow): New function.
9962 (assign_stack_local_1): Call it to detect that the offset overflows.
9963 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9965 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9967 * config/sh/sh.c: Include alloc-pool.h.
9968 (label_ref_list_pool): New alloc pool.
9969 (label_ref_list_t): New type for lists of labels.
9970 (struct pool_node): Make wend a label_ref_list_t.
9971 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9973 (dump_table): Likewise.
9974 (sh_reorg): Set up the alloc pool before using add_constant and
9975 dump_table, and destroy it when finishing.
9977 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9979 * config/mips/mips.c: Remove redundant comment.
9981 2006-03-10 Jason Merrill <jason@redhat.com>
9984 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9985 the target was declared 'register'.
9987 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9989 * genpreds.c (write_insn_constraint_len): Change definition of
9990 insn_constraint_len to return size_t to match the declaration.
9992 2006-03-10 DJ Delorie <dj@redhat.com>
9994 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9996 (m32c_expand_insv): Fix test for an AND mask.
9998 2006-03-10 Richard Guenther <rguenther@suse.de>
10000 PR middle-end/26565
10001 * builtins.c (get_pointer_alignment): Handle component
10002 references for field alignment.
10004 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10006 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10007 when building with libgloss.
10008 (sh*elf): Implement --without-fp option.
10009 (sh64-superh-linux*): Don't multilib.
10011 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10013 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10015 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10017 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10018 Set it when one of the replacement functions returned true.
10019 Return TODO_cleanup_cfg if cfgchanged is true.
10020 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10022 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10024 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10025 instead of gen_lowpart.
10027 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10029 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10031 (mips_output_order_conditional_branch): Declare.
10032 * config/mips/mips.h (MIPS_BRANCH): New macro.
10033 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10034 for the comparison. Use gen_condjump.
10035 (mips_output_conditional_branch): Rework interface to take the
10036 asm templates for a direct branch and the inverse of a direct branch.
10037 (mips_output_order_conditional_branch): New function.
10038 (mips_builtin_branch_and_move): New function.
10039 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10040 branch condition. Use gen_single_cc as the condition for
10041 __builtin_mips_upper_* or __builtin_mips_lower_*.
10042 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10043 Use VOIDmode for the branch condition.
10044 * config/mips/predicates.md (order_operator): New predicate.
10045 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10046 (branch_fp): Rename to...
10047 (*branch_fp): ...this. Remove mode from comparison operator.
10048 Use new mips_output_conditional_branch interface.
10049 (branch_fp_inverted): Rename to...
10050 (*branch_fp_inverted): ...this and update as for *branch_fp.
10051 (*branch_zero<mode>): Rename to...
10052 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10053 Use mips_output_order_conditional_branch. Only accept ordered
10055 (*branch_zero<mode>_inverted): Rename to...
10056 (*branch_order<mode>_inverted): ...this and update as for
10057 *branch_order<mode>.
10058 (*branch_equality<mode>): Accept zero as the second operand to
10059 the equality operator. Use the new mips_output_conditional_branch
10061 (*branch_equality<mode>_inverted): Likewise.
10062 (condjump): New expander.
10063 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10065 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10066 (bc1any2t, bc1any2f): Likewise.
10067 (single_cc): New expander.
10068 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10070 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10072 * doc/md.texi: Update documentation of MIPS constraints.
10073 * config/mips/constraints.md: New file.
10074 * config/mips/mips.md: Include it.
10075 * config/mips/mips.c (mips_char_to_class): Delete.
10076 (override_options): Don't initialize mips_char_to_class.
10077 * config/mips/mips.h (mips_char_to_class): Delete.
10078 (REG_CLASS_FROM_LETTER): Delete.
10079 (CONST_OK_FOR_LETTER_P): Delete.
10080 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10081 (EXTRA_CONSTRAINT_Y): Delete.
10082 (EXTRA_CONSTRAINT_STR): Delete.
10083 (CONSTRAINT_LEN): Delete.
10084 (EXTRA_MEMORY_CONSTRAINT): Delete.
10086 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10088 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10089 original fn's eh regions.
10091 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10093 * fold-const.c (build_range_check): Make sure to use a valid type to
10094 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10097 (range_predecessor): New static function.
10098 (range_successor): Likewise.
10099 (merge_ranges): Use them to compute predecessors and successors of
10102 2006-03-09 Roger Sayle <roger@eyesopen.com>
10104 PR middle-end/26561
10105 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10106 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10108 2006-03-08 DJ Delorie <dj@redhat.com>
10110 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10111 (addpsi3): Expand to include memory operands. Remove
10112 reload-specific splits.
10113 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10114 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10115 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10116 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10117 (shift1_qi, shift1_hi, insv): New.
10118 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10119 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10120 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10122 * config/m32c/m32c-protos.h: Update as needed.
10123 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10124 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10125 Fail for unrecognized R* constraints.
10126 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10127 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10128 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10130 (m32c_init_libfuncs): New.
10131 (m32c_legitimate_address_p): Add debug wrapper.
10132 (m32c_rtx_costs): New.
10133 (m32c_address_cost): New.
10134 (conversions): Add 'B' prefix.
10135 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10136 operands, or word regnames for QI operands. 'B' prints bit
10138 (m32c_expand_setmemhi): New.
10139 (m32c_expand_movmemhi): New.
10140 (m32c_expand_movstr): New.
10141 (m32c_expand_cmpstr): New.
10142 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10143 (m32c_expand_neg_mulpsi3): Handle non-ints.
10144 (m32c_cmp_flg_0): New.
10145 (m32c_expand_movcc): New.
10146 (m32c_expand_insv): New.
10147 (m32c_scc_pattern): New.
10148 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10149 a0/a1 out of SIregs.
10150 (STORE_FLAG_VALUE): New.
10151 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10154 * config/m32c/mov.md: Make constraints more liberal.
10155 (zero_extendqihi2): Optimize r0/r1 case.
10156 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10157 * config/m32c/predicates.md (m32c_any_operand): New.
10158 (m32c_nonimmediate_operand): New.
10159 (m32c_hl_operand): New.
10160 (m32c_r3_operand): New.
10163 (memsym_operand): New.
10164 (memimmed_operand): New.
10165 (a_qi_operand): New.
10166 (m32c_eqne_operator): New.
10167 (m32c_1bit8_operand): New.
10168 (m32c_1bit16_operand): New.
10169 (m32c_1mask8_operand): New.
10170 (m32c_1mask16_operand): New.
10171 * config/m32c/blkmov.md: New file.
10172 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10174 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10176 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10177 unsigned to fix signed/unsigned comparison issue in
10178 DWARF2_FRAME_REG_OUT.
10179 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10180 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10182 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10183 of ptr into the ENABLE_CHECKING section.
10185 2006-03-08 Jeff Law <law@redhat.com>
10187 * tree-vrp.c (infer_value_range): Only count pointer uses
10188 and dereferences if -fdelete-null-pointer-checks is enabled.
10190 * tree-vrp.c (find_assert_locations): Infer value ranges for
10191 single use pointers, but do not create ASSERT_EXPRs for them.
10192 When a non-null range is inferred for a pointer, backwards
10193 propagate that range to other equivalent pointers through the
10196 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10199 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10200 language hook targets.
10201 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10202 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10203 if language hook targets were missing.
10205 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10207 * tree-ssa-opfinalize.h: Removed.
10208 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10210 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10211 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10212 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10213 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10214 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10215 finalize_ssa_v_must_def_ops): New.
10217 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10219 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10220 block as parameter.
10222 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10224 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10226 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10227 addresses with offsets; reorganize.
10229 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10230 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10231 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10233 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10236 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10238 2006-03-08 Ben Elliston <bje@au.ibm.com>
10240 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10242 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10245 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10248 2006-03-07 Richard Guenther <rguenther@suse.de>
10250 PR tree-optimization/26587
10251 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10253 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10255 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10257 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10259 * hooks.c (hook_bool_mode_rtx_true): New function.
10260 * hooks.h (hook_bool_mode_rtx_true): Declare.
10261 * toplev.c (compile_file): Call output_shared_constant_pool.
10262 * varasm.c (shared_constant_pool): New variable.
10263 (assemble_start_function, assemble_end_function): Remove arguments
10264 from call to output_constant_pool.
10265 (create_constant_pool): New function, split out from...
10266 (init_varasm_status): ...here.
10267 (force_const_mem): Choose between the shared and per-function constant
10268 pools. Set current_function_uses_const_pool when reusing old entries
10269 as well as when creating new ones.
10270 (mark_constant): Ignore data argument.
10271 (mark_constants): Remove pool argument.
10272 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10273 to decide whether the function uses a constant pool.
10274 (output_constant_pool_contents): New function, split out from...
10275 (output_constant_pool): ...here.
10276 (output_shared_constant_pool): New function.
10277 (init_varasm_once): Initialize shared_constant_pool.
10278 * output.h (output_constant_pool): Delete.
10279 (output_shared_constant_pool): Declare.
10280 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10281 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10283 2006-03-06 Nick Clifton <nickc@redhat.com>
10285 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10286 flag_strength_reduce.
10288 2006-03-06 Ben Elliston <bje@au.ibm.com>
10290 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10291 x86_64-*-linux* configurations.
10293 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10294 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10296 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10298 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10300 * basic-block.h: Remove the extern for
10301 rediscover_loops_after_threading.
10303 * cfgloop.c (cancel_loop): Make it static.
10304 * cfgloop.h: Remove the prototype for cancel_loop.
10306 * flow.c (recompute_reg_usage): Make it static.
10307 * rtl.h: Remove the prototype for recompute_reg_usage.
10309 * function.c (use_return_register): Make it static.
10310 * function.h: Remove the prototype.
10312 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10314 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10316 * recog.h: Remove the prototype for
10317 validate_change_maybe_volatile.
10319 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10321 * rtlanal.c (replace_reg): Remove.
10322 * rtl.h: Remove the prototype for replace_reg.
10324 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10326 * regclass.c (reg_scan_update): Remove.
10327 (reg_scan_mark_refs): Remove the last argument.
10328 * rtl.h: Remove the prototype for reg_scan_update.
10330 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10332 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10333 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10334 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10335 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10336 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10337 loop-invariant.c, omp-low.c, opts.c, passes.c,
10338 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10339 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10340 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10341 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10342 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10343 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10345 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10347 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10348 * dwarf2out.h: Remove the prototype for
10349 dwarf2out_add_library_unit_info.
10351 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10353 * tree.c (add_var_to_bind_expr): Remove.
10354 * tree.h: Remove the prototype for add_var_to_bind_expr.
10356 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10358 * regclass.c (n_non_fixed_regs): Remove.
10359 (init_reg_sets_1, globalize_reg): Remove all uses of
10361 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10363 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10365 * rtlanal.c (insns_safe_to_move_p): Remove.
10366 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10368 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10370 * expmed.c (expand_mult_add): Remove.
10371 * expr.h: Remove the prototype for expand_mult_add.
10373 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10375 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10376 and REG_SAVED_VAL_EXP constants.
10377 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10378 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10379 Handle regs stored by value.
10380 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10381 (execute_cfa_program): Handle DW_CFA_val_offset,
10382 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10383 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10384 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10385 (uw_install_context_1): Handle target regs stored by value.
10387 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10389 * tree-sra.c (tree_sra): Return todoflags;
10390 (generate_one_element): Set TODO_update_smt_usage if needed.
10391 (pass_sra): Remove TODO_update_smt_usage.
10392 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10394 (tree_ssa_forward_propagate_single_use_vars): Return
10395 TODO_update_smt_usage if we need to update SMT usage.
10396 (pass_forwprop): Remove TODO_update_smt_usage.
10398 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10400 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10401 (correct_use_link): Remove reference to get_stmt_operands.
10402 (update_stmt_operands): Likewise.
10403 (get_modify_expr_operands): New function factored out of
10404 parse_ssa_operands and get_expr_operands.
10405 Try to create V_MUST_DEFs for LHS by default.
10406 (get_expr_operands) <case MODIFY_EXPR>: Call
10407 get_modify_expr_operands.
10408 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10409 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10410 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10411 get_modify_expr_operands.
10413 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10415 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10416 * tree-flow.h: Remove the prototype for
10417 referenced_var_lookup_if_exists.
10419 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10421 PR rtl-optimization/26345
10423 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10425 2006-03-03 Roger Sayle <roger@eyesopen.com>
10427 PR tree-optimization/26524
10428 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10429 fold_convert to create a constant of the appropriate type.
10431 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10433 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10434 SYMBOL_REF_IN_BLOCK_P.
10435 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10436 of SYMBOL_FLAG_IN_BLOCK.
10437 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10438 instead of SYMBOL_REF_IN_BLOCK_P.
10439 * explow.c (use_anchored_address): Likewise.
10440 * rtl.c (rtx_size): Likewise.
10441 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10442 instead of SYMBOL_FLAG_IN_BLOCK.
10443 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10444 SYMBOL_REF_IN_BLOCK_P.
10445 (assemble_variable): Likewise.
10446 (output_constant_def_contents): Likewise.
10447 (output_constant_pool): Likewise.
10448 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10449 instead of SYMBOL_FLAG_IN_BLOCK.
10450 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10451 SYMBOL_REF_IN_BLOCK_P.
10452 (SYMBOL_REF_BLOCK): Likewise.
10453 (SYMBOL_REF_OFFSET): Likewise.
10454 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10455 SYMBOL_REF_IN_BLOCK_P.
10456 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10457 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10458 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10459 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10461 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10463 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10465 2006-03-02 Roger Sayle <roger@eyesopen.com>
10467 * simplify-rtx.c (simplify_unary_operation): When simplifying
10468 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10469 that we perform the right shift in the appropriate mode, and
10470 then extend or truncate the result to requested mode.
10472 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10474 * gengtype.c (main): Handle double_int type.
10475 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10476 * double-int.c: New file.
10477 * double-int.h: New file.
10478 * system.h: Include doubleint.h.
10479 * Makefile.in (SYSTEM_H): Include double-int.h.
10480 (double-int.o): Add.
10482 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10485 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10488 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10490 * tree-vrp.c (remove_range_assertions): Do not update statements
10493 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10495 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10497 * gcse.c (rest_of_handle_gcse): Ditto.
10498 * except.c (gate_handle_eh): Ditto.
10499 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10500 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10502 2006-03-02 Eric Christopher <echristo@apple.com>
10504 * config/i386/i386.c (machopic_output_stub): Add indirection to
10507 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10511 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10513 Sun Niagara specific optimizations.
10514 * config.gcc: Recognize niagara as target.
10515 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10516 (TARGET_CPU_niagara): Define.
10517 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10518 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10519 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10520 (ASM_CPU_SPEC): Likewise.
10521 (PROCESSOR_NIAGARA): New enum entry.
10522 (REGISTER_MOVE_COST): Handle Niagara.
10523 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10524 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10525 (sparc_override_options): Recognize "niagara", set appropriate
10526 default MASK_* values for it, and align functions to 32-bytes
10527 by default just like ULTRASPARC/ULTRASPARC3.
10528 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10529 (sparc64_initialize_trampoline): Likewise.
10530 (sparc_use_sched_lookahead): Use zero for niagara.
10531 (sparc_issue_rate): Use one for niagara.
10532 * config/sparc/niagara.md: New file.
10533 * config/sparc/sparc.md: Include it.
10534 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10535 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10536 when default cpu is niagara.
10537 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10538 (ASM_CPU_SPEC): Likewise.
10539 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10540 when default cpu is niagara.
10541 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10542 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10543 just like v9/ultrasparc/ultrasparc3.
10544 * doc/invoke.texi: Add documentation for "niagara" and improve
10545 existing documentation for ultrasparc variants.
10547 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10549 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10551 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10553 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10554 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10555 and say that only one is needed.
10556 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10557 * target.h (have_switchable_bss_sections): New hook.
10558 * explow.c (use_anchored_address): Check that the symbol is in a block.
10559 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10560 (bss_noswitch_section): New variables.
10561 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10562 (get_noswitch_section): New function.
10563 (get_block_for_section): Allow SECT to be null.
10564 (unlikely_text_section_p): Use SECTION_STYLE.
10565 (bss_initializer_p): New function.
10566 (get_variable_section): Move earlier in file. Take a new argument,
10567 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10568 Return one of the new *_sections in such cases.
10569 (get_block_for_decl): New function, extracting some logic from
10570 use_blocks_for_decl_p.
10571 (change_symbol_section): Remove in favor of...
10572 (change_symbol_block): ...this new function.
10573 (use_blocks_for_decl_p): Remove checks now performed by
10574 get_block_for_decl.
10575 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10576 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10577 (emit_local, emit_bss, emit_common): ...these new functions.
10578 Return true if the alignment was honored.
10579 (emit_tls_common): New function.
10580 (asm_emit_uninitialised): Delete.
10581 (assemble_variable_noswitch): New function, split out from...
10582 (assemble_variable): ...here. Don't make decisions about common
10583 variables here. Globalize all public decls that go into non-common
10584 sections. Check whether SYMBOL_REF_BLOCK is null.
10585 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10586 (output_constant_pool): Likewise.
10587 (init_varasm_once): Initialize the new section variables.
10588 (have_global_bss_p): New function.
10589 (categorize_decl_for_section): Use bss_initializer_p.
10590 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10591 (place_block_symbol): Assert that the symbol must be in a block.
10592 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10593 (TARGET_INITIALIZER): Include it.
10594 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10595 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10596 (SECTION_MACH_DEP): Bump by two.
10597 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10598 (unnamed_section): Mention SECTION_UNNAMED in comment.
10599 (named_section): Likewise SECTION_NAMED.
10600 (noswitch_section_callback): New type.
10601 (noswitch_section): New structure.
10602 (section): Add a noswitch_section alternative.
10603 (SECTION_STYLE): New macro.
10604 (tls_comm_section, comm_section, lcomm_section): Declare.
10605 (bss_noswitch_section, have_global_bss_p): Declare.
10606 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10607 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10609 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10610 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10613 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10615 * tree-vrp.c (execute_vrp): Return value.
10616 * regrename.c (rest_of_handle_regrename): Ditto.
10617 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10618 * tree-complex.c (tree_lower_complex): Ditto.
10619 (tree_lower_complex_O0): Ditto.
10620 * tracer.c (rest_of_handle_tracer): Ditto.
10621 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10622 * postreload.c (rest_of_handle_postreload): Ditto.
10623 * tree-tailcall.c (execute_tail_recursion): Ditto.
10624 (execute_tail_calls): Ditto.
10625 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10626 * tree.h (init_function_for_compilation): Ditto.
10627 * ipa-cp.c (ipcp_driver): Ditto.
10628 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10629 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10630 * final.c (compute_alignments): Ditto.
10631 (rest_of_handle_final): Ditto.
10632 (rest_of_handle_shorten_branches): Ditto.
10633 (rest_of_clean_state): Ditto.
10634 * omp-low.c (execute_expand_omp): Ditto.
10635 (execute_lower_omp): Ditto.
10636 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10637 * ipa-reference.c (static_execute): Ditto.
10638 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10639 * reorg.c (rest_of_handle_delay_slots): Ditto.
10640 (rest_of_handle_machine_reorg): Ditto.
10641 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10642 * flow.c (recompute_reg_usage): Ditto.
10643 (rest_of_handle_remove_death_notes): Ditto.
10644 (rest_of_handle_life): Ditto.
10645 (rest_of_handle_flow2): Ditto.
10646 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10647 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10648 (do_ssa_store_ccp): Ditto.
10649 (execute_fold_all_builtins): Ditto.
10650 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10651 * modulo-sched.c (rest_of_handle_sms): Ditto.
10652 * ipa-pure-const.c (static_execute): Ditto.
10653 * cse.c (rest_of_handle_cse): Ditto.
10654 (rest_of_handle_cse2): Ditto.
10655 * web.c (rest_of_handle_web): Ditto.
10656 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10657 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10658 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10659 * tree-nrv.c (tree_nrv): Ditto.
10660 (execute_return_slot_opt): Ditto.
10661 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10662 (create_structure_vars): Ditto.
10663 * loop-init.c (rtl_loop_init): Ditto.
10664 (rtl_loop_done): Ditto.
10665 (rtl_move_loop_invariants): Ditto.
10666 (rtl_unswitch): Ditto.
10667 (rtl_unroll_and_peel_loops): Ditto.
10668 (rtl_doloop): Ditto.
10669 * gimple-low.c (lower_function_body): Ditto.
10670 (mark_used_blocks): Ditto.
10671 * tree-ssa-sink.c (execute_sink_code): Ditto.
10672 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10673 (cgraph_early_inlining): Ditto.
10674 * global.c (rest_of_handle_global_alloc): Ditto.
10675 * jump.c (cleanup_barriers): Ditto.
10676 (purge_line_number_notes): Ditto.
10677 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10678 (rest_of_handle_if_after_reload): Ditto.
10679 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10680 (tree_ssa_loop_im): Ditto.
10681 (tree_ssa_loop_unswitch): Ditto.
10682 (tree_vectorize): Ditto.
10683 (tree_linear_transform): Ditto.
10684 (tree_ssa_loop_ivcanon): Ditto.
10685 (tree_ssa_empty_loop): Ditto.
10686 (tree_ssa_loop_bounds): Ditto.
10687 (tree_complete_unroll): Ditto.
10688 (tree_ssa_loop_prefetch): Ditto.
10689 (tree_ssa_loop_ivopts): Ditto.
10690 (tree_ssa_loop_done): Ditto.
10691 * predict.c (tree_estimate_probability): Ditto.
10692 * recog.c (split_all_insns_noflow): Ditto.
10693 (rest_of_handle_peephole2): Ditto.
10694 (rest_of_handle_split_all_insns): Ditto.
10695 * tree-eh.c (lower_eh_constructs): Ditto.
10696 * regmove.c (rest_of_handle_regmove): Ditto.
10697 (rest_of_handle_stack_adjustments): Ditto.
10698 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10699 * function.c (instantiate_virtual_regs): Ditto.
10700 (init_function_for_compilation): Ditto.
10701 (rest_of_handle_check_leaf_regs): Ditto.
10702 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10703 (rest_of_handle_gcse): Ditto.
10704 * ipa-type-escape.c (type_escape_execute): Ditto.
10705 * alias.c (rest_of_handle_cfg): Ditto.
10706 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10707 * profile.c (rest_of_handle_branch_prob): Ditto.
10708 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10709 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10710 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10711 * tree-dfa.c (find_referenced_vars): Ditto.
10712 * except.c (set_nothrow_function_flags): Ditto.
10713 (convert_to_eh_region_ranges): Ditto.
10714 (rest_of_handle_eh): Ditto.
10715 * emit-rtl.c (unshare_all_rtl): Ditto.
10716 (remove_unnecessary_notes): Ditto.
10717 * except.h (set_nothrow_function_flags): Ditto.
10718 (convert_to_eh_region_ranges): Ditto.
10719 * cfgexpand.c (tree_expand_cfg): Ditto.
10720 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10721 * tree-ssa-pre.c (do_pre): Ditto.
10722 (execute_fre): Ditto.
10723 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10724 (rest_of_handle_jump2): Ditto.
10725 * tree-sra.c (tree_sra): Ditto.
10726 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10727 (execute_mudflap_function_decls): Ditto.
10728 * tree-ssa-copy.c (do_copy_prop): Ditto.
10729 (do_store_copy_prop): Ditto.
10730 * ipa-prop.h (ipcp_driver): Ditto.
10731 * cfglayout.c (insn_locators_initialize): Ditto.
10732 * tree-ssa-forwprop.c
10733 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10734 * cfglayout.h (insn_locators_initialize): Ditto.
10735 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10736 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10737 (execute_late_warn_uninitialized): Ditto.
10738 * rtl.h (cleanup_barriers): Ditto.
10739 (split_all_insns_noflow): Ditto.
10740 (purge_line_number_notes): Ditto.
10741 (unshare_all_rtl): Ditto.
10742 (remove_unnecessary_notes): Ditto.
10743 (recompute_reg_usage): Ditto.
10744 (variable_tracking_main): Ditto.
10745 * integrate.c (emit_initial_value_sets): Ditto.
10746 * integrate.h (emit_initial_value_sets): Ditto.
10747 * tree-optimize.c (execute_free_datastructures): Ditto
10748 (execute_free_cfg_annotations): Ditto.
10749 (execute_fixup_cfg): Ditto.
10750 (execute_cleanup_cfg_pre_ipa): Ditto.
10751 (execute_cleanup_cfg_post_optimizing): Ditto.
10752 (execute_init_datastructures): Ditto.
10753 * tree-object-size.c (compute_object_sizes): Ditto.
10754 * combine.c (rest_of_handle_combine): Ditto.
10755 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10756 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10757 (rest_of_handle_reorder_blocks): Ditto.
10758 (rest_of_handle_partition_blocks): Ditto.
10759 * var-tracking.c (variable_tracking_main): Ditto.
10760 * tree-profile.c (tree_profiling): Ditto.
10761 * tree-vect-generic.c (expand_vector_operations): Ditto.
10762 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10763 * sched-rgn.c (rest_of_handle_sched): Ditto.
10764 (rest_of_handle_sched2): Ditto.
10765 * basic-block.h (free_bb_insn): Ditto.
10766 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10767 * tree-cfg.c (execute_build_cfg): Ditto.
10768 (remove_useless_stmts): Ditto.
10769 (split_critical_edges): Ditto.
10770 (execute_warn_function_return): Ditto.
10771 (execute_warn_function_noreturn): Ditto.
10772 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10773 * cfgrtl.c (free_bb_for_insn): Ditto.
10774 * passes.c (execute_one_pass): Run additional
10775 todos returned by execute function.
10776 * tree-pass.h (struct tree_opt_pass): Make execute
10779 2006-03-02 Richard Guenther <rguenther@suse.de>
10781 * tree-ssa-alias.c (find_used_portions): Consider taking
10782 the address as making the variable not write-only.
10784 2006-03-02 Nick Clifton <nickc@redhat.com>
10786 * config.gcc (default_use_cxa_atexit): Extend the description of
10787 this configure variable. Set its default value to "yes" for
10788 Linux, NetBSD and ELF targets on the assumption that they will
10789 use C libraries with the __cxa_atexit function.
10791 2006-03-02 Ben Elliston <bje@au.ibm.com>
10793 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10794 parameter as unused to suppress a build warning.
10796 2006-03-02 Ben Elliston <bje@au.ibm.com>
10798 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10801 2006-03-01 Roger Sayle <roger@eyesopen.com>
10804 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10805 declared name, the weak reference name, and the typeof name.
10806 (__gthrw): Avoid expanding the declared name suffix.
10807 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10809 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10811 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10813 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10814 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10815 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10816 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10817 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10818 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10819 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10820 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10821 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10822 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10823 (DW_END_default, DW_END_big, DW_END_little): New.
10824 (DW_END_lo_user, DW_END_hi_user): Define.
10825 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10826 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10827 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10830 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10832 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10834 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10836 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10838 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10840 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10841 to 'symbol_mem_tag'.
10843 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10846 2006-03-01 Roger Sayle <roger@eyesopen.com>
10848 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10850 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10853 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10854 MACHO_DYNAMIC_NO_PIC_P.
10855 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10857 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10860 * config/darwin-protos.h (darwin_asm_output_anchor):
10862 * config/darwin-sections.def (cstring_section):
10863 Add SECTION_MERGE to the flags.
10864 (literal4_section): Likewise.
10865 (literal8_section): Likewise.
10866 (objc_selector_refs_section): Likewise.
10867 (objc_cls_refs_section): Likewise.
10868 * config/darwin.c (darwin_asm_output_anchor): New
10870 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10872 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10874 Fix PR tree-optimization/26443
10875 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10876 to todo and PROP_tmt_usage to properties_destroyed.
10877 * tree-ssa-ccp.c (pass_ccp): Ditto.
10878 (pass_store_ccp): Ditto.
10879 * tree-ssa-dom.c (pass_dominator): Ditto.
10881 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10883 * tree-ssa-operands.c: Cleanup whitespace.
10884 (get_asm_expr_operands): Move before first invocation.
10885 (get_indirect_ref_operands): Likewise.
10886 (get_tmr_operands): Likewise.
10887 (get_call_expr_operands): Likewise.
10888 (append_def): Likewise.
10889 (append_use): Likewise.
10890 (append_v_may_def): Likewise.
10891 (append_v_must_def): Likewise.
10892 (add_call_clobber_ops): Likewise.
10893 (add_call_read_ops): Likewise.
10894 (add_stmt_operand): Likewise.
10895 (add_virtual_operand): Likewise.
10896 (build_ssa_operands): Likewise.
10898 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10900 PR middle-end/26022
10902 PR middle-end/24437
10903 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10904 with a call expr to ...
10905 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10907 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10909 * tree-vrp.c (extract_range_from_assert): Remove special
10910 handling for types with super-types.
10912 2006-03-01 Ben Elliston <bje@au.ibm.com>
10914 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10915 and powerpc64-*-linux* configurations.
10916 * config/t-dfprules: New file.
10918 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10919 Compile dfp-bit.c from the source directory using -DWIDTH and
10920 $DFP_CFLAGS to control the compilation of that file, rather than
10921 generating width-specific versions in the build directory.
10922 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10923 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10925 2006-02-28 Zack Weinberg <zackw@panix.com>
10927 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10930 2006-02-28 Eric Christopher <echristo@apple.com>
10932 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10933 Set up IN_LIBGCC definition of TARGET_64BIT.
10934 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10936 2006-02-28 Roger Sayle <roger@eyesopen.com>
10938 PR middle-end/14752
10939 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10940 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10941 cases via the construction of "expr != 0".
10943 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10945 * alias.c (alias_invariant, alias_invariant_size): Remove.
10946 (record_base_value): Remove.
10947 (memrefs_conflict_p): Don't look at alias_invariant.
10948 (end_alias_analysis): Don't free it.
10949 * alias.h (record_base_value): Remove prototype.
10951 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10952 Adam Nemet <anemet@caviumnetworks.com>
10954 * rtl.h (truncated_to_mode): Declare it.
10955 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10956 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10957 (RTL_HOOKS_INITIALIZER): Include it.
10958 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10959 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10960 reg_truncated_to_mode.
10961 * rtlanal.c (truncated_to_mode): Define it.
10962 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10964 2006-02-28 Jeff Law <law@redhat.com>
10966 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10967 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10968 the range allowed by TYPE_PRECISION.
10970 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10972 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10974 PR tree-optimization/26419
10975 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10978 2006-02-27 Zack Weinberg <zackw@panix.com>
10980 * doc/md.texi: Fix typo in previous change.
10982 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10986 2006-02-27 Zack Weinberg <zackw@panix.com>
10988 * rtl.def (define_constraint, define_register_constraint)
10989 (define_memory_constraint, define_address_constraint): New MD forms.
10990 * gensupport.c (process_rtx): Put define_constraint etc on the
10992 * genpreds.c (process_define_predicate): Adjust comment. Validate
10993 the name, and call validate_exp to validate the expression.
10994 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10995 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10996 all callers changed.
10997 (validate_exp, needs_variable, struct constraint_data)
10998 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10999 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11000 (const_dbl_constraints, constraint_max_namelen)
11001 (have_register_constraints, have_memory_constraints)
11002 (have_address_constraints, have_address_constraints)
11003 (have_extra_constraints, have_const_int_constraints)
11004 (have_const_dbl_constraints, mangle, add_constraint)
11005 (process_define_constraint, process_define_register_constraint)
11006 (write_enum_constraint_num, write_lookup_constraint)
11007 (write_insn_constraint_len, write_regclass_for_constraint)
11008 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11009 (write_insn_extra_memory_constraint)
11010 (write_insn_extra_address_constraint)
11011 (write_satisfies_constraint_fns): New.
11012 (write_tm_preds_h): If we have new-style constraint definitions,
11013 prototype the functions generated from them, and define the
11014 old constraint interface (still used by generic code) in terms of
11016 (write_insn_preds_c): If we have new-style constraint definitions,
11017 generate all relevant functions from those definitions.
11018 (main): Handle define_constraint etc.
11019 * genoutput.c (struct constraint_data, indep_constraints)
11020 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11021 (mdep_constraint_len): New data structures and functions, defined
11022 #ifdef USE_MD_CONSTRAINTS.
11023 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11024 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11025 use new logic to validate operand constraints against constraint
11027 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11029 * defaults.h: If none of the old-style constraint macros are
11030 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11031 old-style macros; and poison REG_CLASS_FROM_LETTER,
11032 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11034 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11035 * doc/md.texi: Document new constraint-definition mechanism and the
11036 C interface it provides. Remove references to old mechanism
11037 elsewhere in the document.
11038 (Machine Constraints): Use pathnames relative to gcc directory,
11039 i.e. config/ARCH/FILE. Change i386 section to refer to
11040 config/i386/predicates.md; update that section to match docstrings.
11041 * doc/tm.texi: Move all documentation of the old constraint-
11042 definition macros to their own section, clearly mark as obsolete.
11044 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11045 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11047 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11048 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11049 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11050 constraint strings.
11051 (splits and peepholes): Use satisfies_constraint_*.
11052 * config/i386/i386.c (memory_address_length)
11053 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11055 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11057 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11058 scalar operation to be put back into the loop.
11060 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11063 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11064 (extract_cie_info): Handle S flag in augmentation string.
11065 (execute_cfa_program): If context->signal_frame, execute also
11066 fs->pc == context->ra instructions.
11067 (uw_frame_state_for): If context->signal_frame, don't subtract one
11068 from context->ra to find FDE.
11069 (uw_update_context_1): Set context->signal_frame to
11071 (_Unwind_GetIPInfo): New function.
11072 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11073 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11075 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11076 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11077 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11078 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11079 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11080 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11081 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11082 x86_64_fallback_frame_state): Set fs->signal_frame.
11083 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11084 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11085 (frob_update_context): Likewise. Workaround missing S flag in
11086 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11087 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11088 Remove the psw_addr + 1 hack.
11090 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11092 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11093 with aggregates here.
11094 (find_func_aliases): Remove code for &<aggregate> from here.
11096 2006-02-26 Roger Sayle <roger@eyesopen.com>
11098 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11099 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11100 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11101 as (X & C) ne/eq 0.
11103 2006-02-26 Roger Sayle <roger@eyesopen.com>
11105 PR middle-end/19983
11106 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11108 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11110 * opts.c (decode_options): Do not handle flag_strength_reduce.
11111 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11112 and OPT_fstrength_reduce.
11113 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11114 flag_prefetch_loop_arrays for being nonzero.
11115 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11117 (fprefetch-loop-arrays-rtl): Removed.
11118 (flag_prefetch_loop_arrays): Do not specify the value.
11120 * doc/passes.texi: Update documentation of loop optimizer
11122 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11123 -frerun-loop-opt): Remove.
11125 2006-02-26 Richard Guenther <rguenther@suse.de>
11127 PR tree-optimization/26421
11128 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11129 in function calls that are ADDR_EXPRs as using the whole structure.
11131 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11133 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11134 * tree-pass.h (pass_loop_optimize): Remove.
11135 * passes.c (pass_loop_optimize): Never run it.
11136 * toplev.c (backend_init): Don't call init_loop.
11137 * opts.c (flag_loop_optimize_set): Remove.
11138 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11139 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11140 the old RTL loop optimizer when profiling enabled.
11141 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11142 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11143 pre-headers for the sake of the old RTL loop optimizer.
11144 * Makefile.in: Remove all references to loop.o.
11146 * doc/invoke.texi: Remove all references to -floop-optimize
11147 and -frerun-loop-opt.
11149 2006-02-26 Zack Weinberg <zackw@panix.com>
11151 * doc/md.texi (Machine Constraints): Refer to all files with paths
11152 relative to gcc directory (i.e. config/CPU/file). Add missing
11153 @table @code ... @end table to M32C subsection.
11155 2006-02-26 Roger Sayle <roger@eyesopen.com>
11157 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11159 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11161 2006-02-26 Roger Sayle <roger@eyesopen.com>
11162 James A. Morrison <phython@gcc.gnu.org>
11164 PR middle-end/21137
11165 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11166 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11167 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11168 signedness of the shift operation.
11170 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11172 PR tree-optimization/26359
11173 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11175 2006-02-25 Roger Sayle <roger@eyesopen.com>
11177 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11178 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11179 as X == 0, and some symmetry related transformations.
11180 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11182 2006-02-25 Roger Sayle <roger@eyesopen.com>
11184 PR middle-end/23673
11185 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11186 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11187 symmetry related transformations. Fold (X^C1) == C2 as
11190 2006-02-25 Juergen Weigert <jw@suse.de>
11191 Richard Guenther <rguenther@suse.de>
11193 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11195 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11197 * combine.c (gen_lowpart_or_truncate): Call
11198 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11200 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11202 * doc/invoke.texi: Move -fopenmp description to "Options for
11204 Remove reference to -lgomp.
11206 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11208 * doc/install.texi: Require GNU tar version 1.14.
11210 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11212 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11213 * doc/invoke.texi (C++ Dialect Options): Document
11214 -fno-use-cxa-get-exception-ptr.
11215 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11216 * configure: Regenerate.
11217 * c.opt (fuse-cxa-get-exception-ptr): New.
11218 * c-opts.c (c_common_handle_option): Handle
11219 OPT_fuse_cxa_get_exception_ptr.
11220 * c-common.c (flag_use_cxa_atexit): Update documentation.
11221 (flag_use_cxa_get_exception_ptr): New.
11222 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11223 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11225 (C_COMMON_OVERRIDE_OPTIONS): New.
11227 2006-02-24 Roger Sayle <roger@eyesopen.com>
11229 PR middle-end/24952
11230 * combine.c (try_combine): Explicitly check whether GET_CODE is
11231 a SET or a CLOBBER, instead on checking that it isn't a USE.
11233 2006-02-24 Roger Sayle <roger@eyesopen.com>
11235 * fold-const.c (fold_comparison): New subroutine of fold_binary
11236 containing transformations common to both the equality and
11237 ordering relational operators, factored out of fold_binary.
11238 (fold_binary): Separate out the equality operators (EQ_EXPR
11239 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11240 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11241 transformations common to both.
11242 (fold_div_compare): Fix latent bugs in the previously unreachable
11243 LT_EXPR and GE_EXPR cases.
11245 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11247 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11248 decl libname for clog to __clog on AIX.
11250 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11252 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11255 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11256 output traceback table for thunks. Localise rs6000_stack_info call.
11258 2006-02-23 Roger Sayle <roger@eyesopen.com>
11259 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11261 * gthr-posix.h (__gthrw): Fix typo in comment.
11263 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11265 * doc/cpp.texi (Character sets): Document that we do support
11266 input files to be in any character set.
11268 2006-02-23 Jeff Law <law@redhat.com>
11270 * tree.h (PHI_ARG_NONZERO): Remove.
11271 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11272 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11273 node to the new node.
11275 PR tree-optimization/26425
11276 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11277 min/max, then assume its varying.
11279 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11281 PR rtl-optimization/26316
11282 * rtlanal.c (enum may_trap_p_flags): New.
11283 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11284 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11285 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11286 (may_trap_after_code_motion_p): New function.
11287 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11288 (find_invariant_insn): Use may_trap_after_code_motion_p.
11289 * rtl.h (may_trap_after_code_motion_p): Declare.
11291 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11293 * emit-rtl.c (immed_double_const): Cleanup.
11295 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11297 Fix PR tree-optimization/26376
11298 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11301 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11303 PR middle-end/26412
11304 * gimplify.c (omp_add_variable): Guard variable size decl test with
11305 DECL_SIZE (decl) check.
11307 2006-02-23 Richard Guenther <rguenther@suse.de>
11309 PR middle-end/26439
11310 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11311 like aggregate types.
11313 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11315 * configure.ac: Add --with{,out}-long-double-128 configure option.
11316 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11317 * configure: Rebuilt.
11318 * config.in: Rebuilt.
11319 * doc/install.texi (Options specification): Document
11320 --with-long-double-128.
11322 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11323 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11324 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11325 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11327 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11329 * config/s390/s390.c (override_options): Handle
11330 TARGET_DEFAULT_LONG_DOUBLE_128.
11332 * config/alpha/alpha.c (override_options): Handle
11333 TARGET_DEFAULT_LONG_DOUBLE_128.
11335 * config/sparc/sparc.c (sparc_override_options): Handle
11336 TARGET_DEFAULT_LONG_DOUBLE_128.
11338 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11340 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11341 (real-install-headers-tar, real-install-headers-cpio)
11342 (real-install-headers-cp): New targets.
11344 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11346 * tree.h (variable_section): Delete.
11347 * varasm.c (variable_section): Delete.
11349 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11351 * install.texi: Add notes on install.texi2html.
11352 (Building in parallel): Do not use footnotes.
11354 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11357 * doc/install.texi (Configuration): Document --disable-libgomp.
11359 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11361 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11363 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11365 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11366 (vec_extractv2df_0_sse): New.
11368 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11370 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11371 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11372 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11373 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11374 to the result of the expression.
11375 (def_cfa_1): Adjust.
11376 (frame_pointer_cfa_offset): Rename to...
11377 (frame_pointer_fb_offset): ... this. Adjust all uses.
11378 (convert_cfa_to_loc_list): Rename to...
11379 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11380 Pass it on to build_cfa_loc.
11381 (compute_frame_pointer_to_cfa_displacement): Rename to...
11382 (compute_frame_pointer_to_fb_displacement): ... this. New
11383 offset parameter. Use it in computation.
11384 (gen_subprogram_die): Compute cfa_fb_offset with the new
11385 macro, and use it to compute the fb loc list and the
11388 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11390 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11391 replaced with register_operand.
11392 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11393 non-DREG is expensive.
11394 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11395 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11398 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11400 * doc/install.texi2html: Use set -e.
11402 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11404 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11405 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11406 * doc/invoke.texi (-fshared-data): Delete.
11407 * common.opt (fshared-data): Delete.
11408 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11409 (assemble_static_space): Remove #if 0 code.
11410 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11411 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11412 * config/cris/cris.h: Remove FIXME.
11414 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11416 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11419 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11421 PR middle-end/26379
11422 * combine.c (simplify_shift_const_1): Disable nested shifts
11423 optimization for vector shifts.
11425 2006-02-20 Roger Sayle <roger@eyesopen.com>
11427 PR tree-optimization/26361
11428 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11429 of unsigned integer types.
11431 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11433 * tree-chrec.c (eq_evolutions_p): New.
11434 * tree-chrec.h (eq_evolutions_p): Declared.
11435 * tree-data-ref.c: Fix formatting.
11436 (datadep_stats, dependence_stats): New.
11438 (print_direction_vector): New.
11439 (dump_data_dependence_relation): Use print_direction_vector.
11440 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11441 (compute_subscript_distance): Static.
11442 (initialize_data_dependence_relation): Static. Get the number
11443 of loops surrounding the references from the callers, and initialize
11444 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11445 base_object_differ_p analyzers.
11446 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11447 compute_overlap_steps_for_affine_1_2,
11448 analyze_subscript_affine_affine): Count the classified dependences.
11449 Print a message when a test failed.
11450 (can_use_analyze_subscript_affine_affine): New.
11451 (analyze_siv_subscript): Compute the data dependences on symbolic
11452 scevs that verify can_use_analyze_subscript_affine_affine.
11453 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11454 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11455 Handle symbolic scevs.
11456 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11458 (subscript_dependence_tester): Moved...
11459 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11460 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11461 DDR_SIZE_VECT instead of getting it in parameter.
11462 (subscript_dependence_tester): ... here. Take as a parameter
11463 loop_nest_depth. Call build_classic_dist_vector and
11464 build_classic_dir_vector.
11465 (compute_affine_dependence): Update subscript_dependence_tester
11466 parameters. Update datadep_stats counters. Call
11467 compute_subscript_distance.
11468 (compute_self_dependence): Save the dist and dir vectors. Call
11469 compute_subscript_distance.
11470 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11471 (compute_all_dependences): Reorder parameters as they were before
11472 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11473 compute_subscript_distance. Update the use of
11474 compute_affine_dependence and initialize_data_dependence_relation.
11475 (find_data_references_in_loop): Handle COMPONENT_REF.
11476 (compute_data_dependences_for_loop): Initialize dependence_stats.
11477 Don't call build_classic_dist_vector and build_classic_dir_vector.
11478 Update the parameters of initialize_data_dependence_relation and
11479 compute_all_dependences. Print the statistics from datadep_stats.
11480 (analyze_all_data_dependences): Static. Not used until the pass for
11481 checking the data dependences is contributed.
11482 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11483 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11484 (initialize_data_dependence_relation, compute_affine_dependence,
11485 analyze_all_data_dependences, compute_subscript_distance): Removed.
11486 (print_direction_vector): New.
11487 * lambda.h (gcd): ... here.
11488 (lambda_vector_gcd): Moved here from gcd_vector.
11489 * lambda-code.c (gcd, gcd_vector): Removed.
11490 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11491 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11493 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11495 * ipa-type-escape.c: Tidy some comments and white space.
11496 * tree-ssa-operands.c: Likewise.
11498 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11501 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11502 (dump_decl_name): Do not walk the decl tree chains.
11503 * tree-pass.h (TDF_CHAIN): Remove.
11505 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11507 * Makefile.in (C): Remove
11509 (.PHONY): Remove C and PROTO
11511 2006-02-20 Roger Sayle <roger@eyesopen.com>
11513 PR middle-end/26236
11514 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11515 deprecated CHAR_TYPE tree code.
11517 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11519 * configure.ac (target_list): Add install-info, dvi, html.
11520 * configure: Regenerate.
11522 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11523 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11524 treelang/Make-lang.in: Do not use double-colon rules.
11526 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11528 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11529 (TMT_USED_ALONE): New macro.
11530 * tree-pass.h (PROP_tmt_usage): New property.
11531 (TODO_update_tmt_usage): New todo.
11532 * tree-ssa-alias.c (updating_used_alone): New variable.
11533 (recalculate_used_alone): New function.
11534 (compute_may_aliases): Set updating_used_alone, call
11535 recalculate_used_alone.
11536 * tree-sra.c (pass_sra): Note that this pass destroys
11537 PROP_tmt_usage, and add TODO_update_tmt_usage.
11538 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11539 * tree-flow.h (updating_used_alone): Prototype.
11540 (recalculate_used_alone): Ditto.
11541 * passes.c (execute_todo): Add code to set updating_used_alone,
11542 and call recalculate.
11543 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11544 for clobber if used alone, and add assert to verify used_alone
11547 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11549 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11550 for non tls symbols added.
11551 (legitimize_address): Do nothing for PLUS expressions if one of the
11552 addends is a tls symbol reference.
11554 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11558 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11560 * Makefile.in (BOOTSTRAPPING): New.
11561 (quickstrap): New definition if BOOTSTRAPPING=yes.
11563 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11564 * configure.ac: Substitute all_selected_languages with the languages
11565 that were configured. For all the other variables except
11566 lang_specs_files, include all the languages in the tree.
11567 * configure: Regenerate.
11569 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11570 if there is one. Run the commands to run fixincludes in the same
11573 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11574 * doc/install.texi: Document exact conventions for searching target tools.
11575 Document --with-build-time-tools. Document toplevel bootstrap. Document
11576 something more about building an Ada cross-compiler. Don't list GNU Make
11577 requirements which affect all platforms.
11579 2006-02-19 Roger Sayle <roger@eyesopen.com>
11581 PR middle-end/19543
11582 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11583 only equivalent if the have both the same mode and precision.
11585 2006-02-20 Ben Elliston <bje@au.ibm.com>
11587 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11589 2006-02-19 Roger Sayle <roger@eyesopen.com>
11590 Steven Bosscher <stevenb.gcc@gmail.com>
11592 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11593 constant pool references to identify stack mode constants.
11594 * rtlanal.c (constant_pool_constant_p): New predicate to check
11595 whether operand is a floating point constant in the pool.
11596 * rtl.h (constant_pool_constant_p): Prototype here.
11597 * loop.c (scan_loop): Avoid hoisting constants from the constant
11598 pool on STACK_REGS targets.
11599 (load_mems): Likewise.
11600 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11601 loads into x87 registers expensive in terms of register pressure.
11603 2006-02-19 Roger Sayle <roger@eyesopen.com>
11605 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11606 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11608 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11610 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11611 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11613 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11615 * doc/invoke.texi: Document -fipa-pta.
11616 * common.opt: Add ipa-pta option.
11617 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11618 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11619 (do_ds_constraint): Ditto.
11620 (get_constraint_for): Only add to referenced_vars if
11621 referenced_vars exists.
11622 (insert_into_field_list): Rewrite to do this unsorted.
11623 (insert_into_field_list_sorted): Rename old insert_into_field_list
11625 (create_function_info_for): Use insert_into_field_list_sorted.
11626 (create_variable_info_for): Rewrite so it uses unsorted version,
11627 since the field list is sorted.
11628 (intra_create_variable_infos): Only add to referenced_vars if
11629 referenced_vars exists.
11630 (ipa_pta_execute): Init heapvars, and delete when done.
11631 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11633 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11635 * doc/install.texi: Add missing `@samp'.
11637 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11639 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11642 2006-02-18 Mark Wielaard <mark@klomp.org>
11644 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11645 who added new 4.1 features, bug fixes and integration support.
11647 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11650 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11651 MEM for ABI_V4 pic.
11653 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11655 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11656 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11657 (copy_insn_1): Likewise. Don't copy each field individually.
11659 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11661 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11662 * rtl.c (rtx_size): Rename variable to...
11663 (rtx_code_size): ...this.
11664 (rtx_size): New function.
11665 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11666 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11668 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11669 * rtl.h (rtx_code_size): New variable.
11670 (rtx_size): Change from a variable to a function.
11671 (RTX_SIZE): Rename to...
11672 (RTX_CODE_SIZE): ...this.
11675 PR tree-optimization/17106
11676 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11677 (Anchored Addresses): New section.
11678 * doc/invoke.texi (-fsection-anchors): Document.
11679 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11680 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11681 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11682 * hooks.c (hook_bool_mode_rtx_false): New function.
11683 * hooks.h (hook_bool_mode_rtx_false): Declare.
11684 * gengtype.c (create_optional_field): New function.
11685 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11686 SYMBOL_REF_IN_BLOCK_P is true.
11687 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11688 (min_anchor_offset, max_anchor_offset): Likewise.
11689 (use_anchors_for_symbol_p): New hook.
11690 * toplev.c (compile_file): Call output_object_blocks.
11691 (target_supports_section_anchors_p): New function.
11692 (process_options): Check that -fsection-anchors is only used on
11693 targets that support it and when -funit-at-a-time is in effect.
11694 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11695 if the decl doesn't have one.
11696 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11697 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11698 of force_const_mem through use_anchored_address.
11699 (expand_expr_constant): New function.
11700 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11701 calling expand_expr for INDIRECT_REF.
11702 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11703 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11704 * expr.h (use_anchored_address): Declare.
11705 * loop-unroll.c: Don't declare rtx vectors here.
11706 * explow.c: Include output.h.
11707 (validize_mem): Call use_anchored_address.
11708 (use_anchored_address): New function.
11709 * common.opt (-fsection-anchors): New switch.
11710 * varasm.c (object_block_htab, anchor_labelno): New variables.
11711 (hash_section, object_block_entry_eq, object_block_entry_hash)
11712 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11713 (use_blocks_for_decl_p, change_symbol_section): New functions.
11714 (get_variable_section): New function, split out from assemble_variable.
11715 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11716 use_blocks_for_decl_p say so. Use change_symbol_section if the
11717 symbol has already been created.
11718 (assemble_variable_contents): New function, split out from...
11719 (assemble_variable): ...here. Don't output any code for
11720 block symbols; just pass them to place_block_symbol.
11721 Use get_variable_section and assemble_variable_contents.
11722 (get_constant_alignment, get_constant_section, get_constant_size): New
11723 functions, split from output_constant_def_contents.
11724 (build_constant_desc): Create a block symbol if use_object_blocks_p
11725 says so. Or into SYMBOL_REF_FLAGS.
11726 (assemble_constant_contents): New function, split from...
11727 (output_constant_def_contents): ...here. Don't output any code
11728 for block symbols; just pass them to place_section_symbol.
11729 Use get_constant_section and get_constant_alignment.
11730 (force_const_mem): Create a block symbol if use_object_blocks_p and
11731 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11732 (output_constant_pool_1): Add an explicit alignment argument.
11733 Don't switch sections here.
11734 (output_constant_pool): Adjust call to output_constant_pool_1.
11735 Switch sections here instead. Don't output anything for block symbols;
11736 just pass them to place_block_symbol.
11737 (init_varasm_once): Initialize object_block_htab.
11738 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11739 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11740 (place_block_symbol, get_section_anchor, output_object_block)
11741 (output_object_block_htab, output_object_blocks): New functions.
11742 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11743 (TARGET_ASM_OUT): Include it.
11744 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11745 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11746 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11747 (TARGET_INITIALIZER): Include them.
11748 * rtl.c (rtl_check_failed_block_symbol): New function.
11749 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11750 (block_symbol, object_block): New structures.
11751 (rtx_def): Add a block_symbol field to the union.
11752 (BLOCK_SYMBOL_CHECK): New macro.
11753 (rtl_check_failed_block_symbol): Declare.
11754 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11755 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11756 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11757 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11758 * output.h (output_section_symbols): Declare.
11759 (object_block): Name structure.
11760 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11761 (default_use_anchors_for_symbol_p): Declare.
11762 * Makefile.in (RTL_BASE_H): Add vec.h.
11763 (explow.o): Depend on output.h.
11764 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11765 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11766 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11767 (rs6000_use_blocks_for_constant_p): New function.
11769 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11771 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11773 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11776 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11779 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11781 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11785 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11787 PR middle-end/26334
11788 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11789 instead of DECL_REGISTER.
11791 2006-02-18 Olivier Hainque <hainque@adacore.com>
11794 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11796 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11799 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11800 * opth-gen.awk: Handle Var and InverseMask together.
11801 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11802 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11803 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11804 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11806 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11807 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11808 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11809 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11810 LINUX_DYNAMIC_LINKER): Define.
11811 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11812 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11814 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11815 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11816 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11817 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11818 (TARGET_C99_FUNCTIONS): Don't define.
11819 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11820 GLIBC_DYNAMIC_LINKER.
11821 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11822 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11823 GLIBC_DYNAMIC_LINKER64): Define.
11824 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11825 LINUX_DYNAMIC_LINKER64.
11826 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11827 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11828 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11829 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11830 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11831 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11832 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11833 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11834 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11835 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11836 and LINUX_DYNAMIC_LINKER32.
11837 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11838 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11839 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11840 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11841 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11843 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11844 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11845 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11846 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11847 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11848 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11849 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11850 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11851 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11852 LINUX_DYNAMIC_LINKER): Define.
11853 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11854 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11855 GLIBC_DYNAMIC_LINKER64): Define.
11856 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11857 LINUX_DYNAMIC_LINKER64.
11858 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11859 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11860 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11861 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11862 LINUX_DYNAMIC_LINKER): Define.
11863 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11864 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11865 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11866 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11867 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11868 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11869 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11870 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11871 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11872 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11873 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11874 * doc/invoke.texi (-muclibc): Remove caveat about supported
11877 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11879 * doc/cpp.texi (__TIMESTAMP__): Document.
11881 2006-02-17 Roger Sayle <roger@eyesopen.com>
11883 PR middle-end/25600
11884 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11885 C is one less than the width of X (and related transformations).
11886 * simplify-rtx.c (simplify_unary_operation_1): Transform
11887 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11888 depending on STORE_FLAG_VALUE, were C is one less then the
11891 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11893 Fix PR tree-optimization/26341
11894 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11895 about NAME_MEMORY_TAG's.
11897 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11900 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11901 with hardware float support, and software float support. Add fcpy
11902 alternative to hardware patterns. Add alternatives to copy between
11903 general and floating-point registers to the 32-bit pattern.
11904 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11905 secondary reload to load a QI or HI mode constant into a floating
11907 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11908 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11910 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11913 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11915 (load_macho_picbase_di): Likewise.
11917 2006-02-16 Jeff Law <law@redhat.com>
11919 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11920 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11921 (ssa_name_nonzero_p): Likewise.
11922 (get_value_range): Return NULL if VRP is not running.
11923 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11924 VRP routines do not discover a range.
11925 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11926 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11927 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11928 (tree_expr_nonnegative_p): Similarly.
11929 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11930 (restore_nonzero_vars_to_original_value): Remove.
11931 (unsafe_associative_fp_binop): Remove.
11932 (tree_ssa_dominator_optimize): Remove initialization and
11933 finalization of nonzero_vars and nonzero_vars_stack.
11934 (dom_opt_initialize_block): No longer push marker on
11935 nonzero_vars_stack.
11936 (dom_opt_finalize_block): No longer call
11937 restore_nonzero_vars_to_original_value.
11938 (record_equivalences_from_phis): No longer look for
11939 nonzero PHI arguments.
11940 (cprop_into_successor_phis): No longer propagate nonzero
11941 property into PHI arguments. Lose unused argument. Caller
11943 (record_equivalences_from_stmt): No longer record nonzero
11944 values for SSA_NAMEs.
11945 (lookup_avail_expr): No longer use nonzero_vars.
11947 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11948 for sizetype when sizetype is unsigned.
11950 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11952 PR rtl-optimization/25603
11953 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11954 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11955 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11956 with new meaning of SETS.
11958 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11963 * config/linux.opt: New file.
11964 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11965 LINUX_DYNAMIC_LINKER): Define.
11966 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11967 * config.gcc (*-*-linux*): Define extra_options.
11968 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11969 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11970 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11971 GLIBC_DYNAMIC_LINKER.
11972 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11973 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11974 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11975 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11976 * doc/invoke.texi (GNU/Linux Options): New section.
11978 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11980 * config/sparc/sparc.md (setjmp): Rewrite.
11981 (setjmp_32): Delete.
11982 (setjmp_64): Likewise.
11984 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11986 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11989 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11991 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11994 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11996 PR rtl-optimization/26296
11997 * Makefile.in (loop-invariant.c): Add except.h dependency.
11998 * loop-invariant.c: Include except.h.
11999 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12001 2005-02-16 Paul Brook <paul@codesourcery.com>
12003 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12006 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12008 PR rtl-optimization/25636
12009 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12010 when deciding whether an insn is an initializing insn.
12012 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12014 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12015 (tree_code_size): Ditto.
12016 * tree.h (struct tree_memory_tag): Remove parent_var.
12017 (struct tree_struct_field_tag): New.
12020 (union tree_node): Add sft member.
12021 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12023 (create_sft): Add size and offset argument, set SFT_OFFSET and
12025 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12026 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12027 * tree-flow-inline.h (get_subvar_at): Update for
12028 SFT_OFFSET/SFT_SIZE.
12029 (var_can_have_subvars): Ditto.
12030 (overlap_subvar): Ditto.
12031 * print-tree.c (print_node): Print out interesting things for
12033 * tree-flow.h (struct subvar): Remove offset and size members.
12034 * tree-ssa-operands.c (get_expr_operands): Update for
12035 get_indirect_ref_operands changes.
12036 (get_indirect_ref_operands): Call add_virtual_operand instead of
12037 add_stmt_operand. Only recurse on base var if requested.
12038 (access_can_touch_variable): New function.
12039 (add_stmt_operand): Split virtual operand handling into ...
12040 (add_virtual_operand): Here. Add offset, size, and for_clobber
12041 arguments. Prune alias sets.
12042 (add_call_clobber_ops): Call add_virtual_operand.
12044 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12046 PR middle-end/26300
12047 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12049 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12050 than TREE_CODE as index into omp_clause_num_ops array.
12052 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12054 PR rtl-optimization/26184
12055 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12057 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12058 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12059 must_precede, must_follow and tobe_scheduled.
12062 * opts.c (common_handle_option): Free new_option pointer.
12063 * df-core.c (df_analyze): Free postorder pointer.
12065 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12067 * Makefile.in: Fix the examples about the use of stamps
12069 2006-02-15 Michael Matz <matz@suse.de>
12071 PR middle-end/22275
12073 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12074 influenced by maximum_field_alignment or DECL_PACKED.
12075 (update_alignment_for_field): Ditto.
12076 (place_field): Ditto.
12077 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12080 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12082 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12083 (debug_flow_info): Pass it.
12084 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12085 * bb-reorder.c (reorder_basic_blocks): Likewise.
12086 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12087 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12088 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12089 * gcse.c (gcse_main, bypass_jumps): Likewise.
12090 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12091 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12092 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12093 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12094 * rtl.h (dump_flow_info): Adjust prototype.
12095 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12096 * var-tracking.c (variable_tracking_main): Likewise.
12097 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12098 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12101 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12103 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12106 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12108 PR tree-optimization/26209
12109 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12110 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12112 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12114 2006-02-14 Roger Sayle <roger@eyesopen.com>
12116 PR middle-end/23670
12117 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12118 (X,Y) and the corresponding symmetry related transformations.
12119 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12120 (X,Y) and its symmetry related transformations.
12122 2006-02-14 Roger Sayle <roger@eyesopen.com>
12124 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12127 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12129 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12131 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12134 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12135 support COMDAT group.
12136 * configure: Regenerate.
12138 2006-02-14 Roger Sayle <roger@eyesopen.com>
12140 PR middle-end/26279
12141 PR middle-end/26280
12142 PR middle-end/26283
12143 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12145 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12147 Fix PR tree-optimization/26260
12149 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12151 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12152 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12153 * tree-ssa-structalias.c (create_variable_info_for): Use
12154 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12156 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12158 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12160 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12161 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12162 of the ending condition.
12163 * tree-ssa-loop-manip.c: Include params.h.
12164 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12165 tree_unroll_loop): New functions.
12166 * tree-pass.h (pass_loop_prefetch): Declare.
12167 * loop.c (rest_of_handle_loop_optimize): Test for
12168 -fprefetch-loop-arrays-rtl.
12169 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12170 * timevar.def (TV_TREE_PREFETCH): New timevar.
12171 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12172 pass_loop_prefetch): New.
12173 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12174 (cleanup_tree_cfg_loop): Call scev_reset.
12175 * common.opt (fprefetch-loop-arrays-rtl): Add.
12176 * tree-ssa-loop-prefetch.c: New file.
12177 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12178 (new_temp_expr_table): Initialize expr_vars.
12179 (free_temp_expr_table): Cleanup expr_vars.
12180 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12181 expressions from being merged into one.
12182 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12183 (struct tree_niter_desc): Add control, bound and cmp fields.
12184 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12186 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12187 (tree-cfgcleanup.o): Add SCEV_H dependency.
12188 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12189 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12191 2006-02-14 Richard Guenther <rguenther@suse.de>
12193 PR tree-optimization/26258
12194 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12195 in PHI argument processing.
12197 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12199 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12200 new expression in the requested machine mode.
12202 2006-02-13 Roger Sayle <roger@eyesopen.com>
12204 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12205 directly, instead let do_compare_rtx_and_jump handle this for us.
12206 * expr.c (expand_expr_real_1): Likewise.
12207 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12208 before do_jump_by_parts_greater.
12209 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12210 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12212 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12214 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12216 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12218 PR rtl-optimization/26235
12219 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12220 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12223 2006-02-13 Jeff Law <law@redhat.com>
12225 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12228 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12230 PR middle-end/26092
12231 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12232 twice if decl is a builtin. When trying again, call get_callee_fndecl
12233 first to verify it is still a builtin.
12235 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12237 * dwarf2out.c (base_type_die): Don't add AT_name here.
12238 (subrange_type_die): Don't add AT_name here.
12239 (modified_type_die): Rearrange code flow. Do add AT_name here.
12241 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12243 PR rtl-optimization/26247
12244 PR rtl-optimization/26248
12245 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12247 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12249 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12250 * config/fixtfdi.c: Likewise.
12251 * config/fixunstfdi.c: Likewise.
12252 * config/floatditf.c: Likewise.
12254 2006-02-13 Roger Sayle <roger@eyesopen.com>
12256 PR middle-end/24427
12257 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12258 into (X,C2) if C1 is a subset of the bits of C2. Transform
12259 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12261 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12263 2006-02-13 Josh Conner <jconner@apple.com>
12266 * varasm.c (function_section): Check for section name before
12267 calling select_section on targets that define
12268 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12269 unlikely_text_section instead of hot_function_section if
12270 first_function_block_is_cold.
12272 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12274 PR middle-end/25335
12275 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12277 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12279 PR rtl-optimization/26222
12280 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12281 after tree->rtl expansion.
12282 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12283 before passing it to emit_move_insn.
12285 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12287 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12289 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12290 Clarify documentation.
12291 * c-common.h (warn_write_strings): Remove.
12292 * c-common.c (warn_write_strings): Likewise.
12293 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12296 2006-02-12 Roger Sayle <roger@eyesopen.com>
12298 PR middle-end/25724
12299 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12300 (do_jump_parts_zero_rtx): New function renamed from
12301 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12302 (do_jump_parts_equality_rtx): New function split out from
12303 do_jump_parts_equality. Old implementation renamed as above.
12304 Call do_jump_parts_zero_rtx if either operand is zero.
12305 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12306 do all of the heavy lifting.
12307 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12308 calling either do_jump_by_parts_greater_rtx or
12309 do_jump_by_parts_equality_rtx.
12310 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12311 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12312 moved to do_compare_rtx_and_jump, call it directly.
12313 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12314 mode argument. Call do_compare_rtx_and_jump.
12315 (emit_case_nodes): Update calls to do_jump_if_equal.
12317 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12319 PR rtl-optimization/26225
12320 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12322 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12324 PR rtl-optimization/26232
12325 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12327 2006-02-11 Jason Merrill <jason@redhat.com>
12330 * tree-inline.c (declare_return_variable): Just don't use the
12331 modify target if it's a gimple complex reg and the return slot
12334 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12336 * doc/contrib.texi: Update my entry.
12338 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12340 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12342 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12344 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12347 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12349 * doc/invoke.texi (-floop-optimize2): Removed.
12350 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12351 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12352 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12353 * common.opt (floop-optimize2): Removed.
12354 (fmove-loop-invariants): Enabled by default.
12356 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12358 * tree-if-conv.c (combine_blocks): Free the result of
12359 get_loop_exit_edges.
12361 2006-02-10 Jeff Law <law@redhat.com>
12363 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12365 PR tree-optimization/26213
12366 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12367 loop trying to follow SSA_NAME_VALUE chains.
12369 2006-02-10 Richard Guenther <rguenther@suse.de>
12371 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12372 deal with structures that end in implicitly variable sized arrays.
12374 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12376 PR rtl-optimization/24762
12377 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12380 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12382 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12383 (struct ivopts_data): Add regs_used field.
12384 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12385 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12386 instead of loop_data->regs_used;
12387 (free_loop_data): Do not free aux fields for loops.
12388 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12389 and tree_ssa_iv_optimize_finalize.
12391 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12393 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12395 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12398 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12399 computing the effective result type.
12401 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12403 PR inline-asm/16194
12404 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12405 (tree_overlaps_hard_reg_set): Declare.
12406 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12407 type and signature to match function type expected by walk_tree.
12408 (tree_overlaps_hard_reg_set): New function.
12409 (decl_conflicts_with_clobbers_p): Rename to:
12410 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12411 Use tree_overlaps_hard_reg_set. Changed caller.
12412 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12413 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12414 * cris.c (cris_md_asm_clobbers): Likewise.
12416 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12418 * reload1.c (emit_input_reload_insns): Delete code that tries to
12419 inherit using find_equiv_reg.
12421 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12423 * c-common.h (flag_const_strings): Don't declare.
12424 * c-common.c (flag_const_strings): Remove.
12425 * c.opt (fconst_strings): Remove.
12426 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12427 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12428 (c_common_init_options): Don't set flag_const_strings.
12429 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12431 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12433 * arm.md (tlobits_cbranch): New pattern.
12434 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12435 testing a single bit.
12437 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12440 * tree-ssa-pre.c (create_component_ref_by_pieces):
12441 Handle RETURN_DECL like VAR_DECL.
12443 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12445 PR middle-end/26134
12446 * fold-const.c (fold_indirect_ref_1): Fold
12447 "*(foo *)&complexfoo" to "__real__ complexfoo"
12448 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12450 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12452 * tree-flow-inline.h (var_can_have_subvars):
12453 Volatile variables should not have subvariables.
12455 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12458 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12459 multiplying unsigned values.
12462 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12464 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12466 2006-02-08 Jason Merrill <jason@redhat.com>
12469 * tree.def: Elaborate on difference from MODIFY_EXPR.
12470 * doc/c-tree.texi (INIT_EXPR): Likewise.
12471 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12472 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12473 (gimplify_target_expr): Likewise.
12474 (gimplify_cond_expr): Remove target handling.
12475 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12476 (gimplify_expr): Clobber it here.
12477 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12478 Do return slot optimization if we have an INIT_EXPR.
12481 * tree-inline.c (declare_return_variable): Also clear
12482 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12485 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12487 PR middle-end/22439
12488 * gimplify.c (gimplify_one_sizepos): Fix typo.
12490 2006-02-08 Jeff Law <law@redhat.com>
12492 PR tree-optimization/21417
12493 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12494 across a backedge if the control statement at the end of the
12495 block is data dependent on other statements in the same block.
12496 (record_temporary_equivalences_from_stmts): Remove over-conservative
12497 test for threading across backedges.
12499 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12500 control statement, handle all three special cases in the same
12501 manner as they all have the same desired solution. No longer
12502 special case edge flag updating when the post dominator is
12505 2006-02-08 Roger Sayle <roger@eyesopen.com>
12507 * tree.def (CHAR_TYPE): Remove.
12508 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12509 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12510 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12511 (gen_string_type_die): Delete unreachable function.
12513 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12514 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12515 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12516 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12517 * builtins.c (type_to_class): Likewise.
12518 * fold-const.c (fold_convert, build_range_check,
12519 merge_ranges): Likewise.
12520 * expr.c (count_type_elements): Likewise.
12521 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12522 * stor-layout.c (layout_type): Likewise.
12523 * ipa-type-escape.c (type_to_consider): Likewise.
12524 * gimplify.c (omp_firstprivatize_type_sizes,
12525 gimplify_type_sizes): Likewise.
12526 * explow.c (promote_mode): Likewise.
12527 * tree-sra.c (is_sra_scalar_type): Likewise.
12528 * varasm.c (output_constant): Likewise.
12529 * tree-inline.c (remap_type_1): Likewise.
12530 * convert.c (convert_to_pointer, convert_to_real,
12531 convert_to_integer, convert_to_complex): Likewise.
12533 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12535 * df-scan.c (df_def_record_1): A set destination may
12536 be a parallel regardless of mode.
12538 2006-02-08 Roger Sayle <roger@eyesopen.com>
12541 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12542 * config/mips/_tilib.c: Remove.
12543 * config/fixtfdi.c: New libgcc source file.
12544 * config/fixunstfdi.c: New source file.
12545 * config/floatditf.c: New source file.
12546 * config/floatunditf.c: New souce file.
12547 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12548 files above instead of config/mips/_tilib.c.
12549 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12551 2006-02-08 Jeff Law <law@redhat.com>
12553 PR tree-optimization/26169
12554 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12557 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12559 * df.h (DF_REG_SIZE): Return the length of the initialized
12562 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12564 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12565 __muldf3): Return a correctly signed zero.
12567 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12569 * passes.c (register_one_dump_file): Accept the current properties
12570 instead of pass number. Adjust call to dump_register. Remove
12572 (register_dump_files): Now a wrapper around...
12573 (register_dump_files_1): ... this one. Do not modify the pass
12575 (next_pass_1): Cosmetic fix.
12576 (execute_todo): Keep second parameter only. Use curr_properties
12577 instead of fetching it from the pass structure. Check and set
12579 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12580 instead of fetching it from the pass structure. Fix calls to
12581 execute_todo. Update curr_properties and initialize .vcg RTL dump
12582 after running the pass. Reset last_verified.
12583 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12585 (FIRST_AUTO_NUMBERED_DUMP): New.
12586 (dump_register): Remove "num" parameter, assign it within the
12588 (get_dump_file_name): Modify template for dumps.
12589 * tree-dump.h (dump_register): Adjust prototype.
12590 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12591 (PROP_trees): Add PROP_gimple_lomp.
12592 (TODO_set_props): New.
12593 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12594 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12595 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12597 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12599 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12600 (sparc64-*-linux*): Likewise.
12601 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12602 * config/sparc/t-linux: New file.
12603 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12604 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12605 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12606 -m32 -mlong-double-128.
12608 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12609 * config/alpha/t-linux: New file.
12610 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12612 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12613 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12614 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12615 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12616 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12617 (CPP_ARCH32_SPEC): Remove.
12619 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12621 PR tree-optimization/26145
12622 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12625 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12628 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12629 >= 240000 when generating code for SOM runtime.
12630 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12631 to $$dyncall when generating code for SOM runtime..
12633 2006-02-07 Dirk Mueller <dmueller@suse.com>
12636 * doc/invoke.texi (-Wsequence-point): Update documentation
12637 that -Wsequence-point is implemented for C++ as well.
12639 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12641 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12642 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12643 (LIB_SPEC): Likewise.
12644 * doc/invoke.texi (SPARC options): Document -pthread.
12646 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12648 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12651 2006-02-07 Roger Sayle <roger@eyesopen.com>
12653 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12654 Correct comment describing BOOLEAN_TYPE.
12656 2006-02-07 Dirk Mueller <dmueller@suse.com>
12658 * c.opt: C++ frontend supports -Wdiv-by-zero.
12659 * c-opts.c (c_common_handle_option): Remove dead case.
12661 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12663 * configure.ac (TLS assembler check): Do not enable TLS by
12664 default on SPARC/Solaris before version 10.
12665 * configure: Regenerate.
12667 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12669 * doc/invoke.texi (xl-compat): Document conversion and support
12672 2006-02-07 Jeff Law <law@redhat.com>
12674 * tree-vrp.c (find_conditional_asserts): Update comments.
12675 (simplify_stmt_for_jump_threading): New.
12676 (identify_jump_threads, finalize_jump_threads): New.
12677 (vrp_finalize): Call identify_jump_threads.
12678 (execute_vrp): Call finalize_jump_threads.
12679 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12680 (vrp_element, vrp_data, vrp_element_p): Remove.
12681 (vrp_hash_elt, vrp_variables_stack): Remove.
12682 (vrp_hash, vrp_eq, record_range): Remove.
12683 (simplify_cond_and_lookup_avail_expr): Remove.
12684 (extract_range_from_cond): Remove.
12685 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12686 (simplify_stmt_for_jump_threading): New.
12687 (dom_thread_across_edge): New wrapper.
12688 (tree_ssa_dominator_optimize): No longer initialize or
12689 finalize any of the VRP datastructures. Remove iteration
12690 step and simplify as a result of removal of iteration step.
12691 (pass_dominator): Perform a cfg cleanup after DOM.
12692 (dom_opt_finalize_block): Use the new common routines
12693 for threading jumps. Simplify stack management slightly.
12694 No longer need to unwind VRP state.
12695 (record_equivalences_from_incoming_edge): No longer record
12697 (eliminate_redundant_computations): No longer call
12698 simplify_cond_and_lookup_avail_expr.
12699 * tree-flow.h (potentially_threadable_block): Prototype.
12700 (thread_across_edge): Likewise.
12701 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12702 (tree-ssa-threadedge.o): Add dependencies.
12703 * tree-ssa-threadedge.c: New file.
12704 * passes.c (init_optimization_passes): Merge PHIs before
12705 calling VRP. Run VRP again late in the SSA optimization pipeline.
12707 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12709 * df-core.c (df_set_blocks): Do not dereference function pointers.
12710 (df_finish1): Likewise.
12711 (df_hybrid_search_forward): Likewise.
12712 (df_hybrid_search_backward): Likewise.
12713 (df_iterative_dataflow): Likewise.
12714 (df_analyze_problem): Likewise.
12715 (df_compact_blocks): Likewise.
12716 (df_dump): Likewise.
12717 * df-scan.c (df_rescan_blocks): Likewise.
12718 (df_record_entry_block_defs): Likewise.
12720 * genconditions.c (write_conditions): Guard the definition of
12721 'insn_conditions' with the check on GCC version.
12722 (write_writer): Guard the traversal 'insn_conditions' with
12723 the check on GCC version.
12725 2006-02-07 Richard Guenther <rguenther@suse.de>
12729 2006-01-30 Richard Guenther <rguenther@suse.de>
12731 * gimplify.c (gimplify_target_expr): Handle easy cases
12732 without creating a temporary.
12734 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12736 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12737 use of float in probability computations. Use edge probabilities
12738 in place of statically computed probabilities.
12739 (min_spec_prob): New static variable.
12740 (schedule_insns): Initialize it.
12741 (GET_SRC_PROB): Removed.
12742 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12744 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12747 * config/ia64/unwind-ia64.c: Revert last change.
12748 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12749 (INCOMING_FRAME_SP_OFFSET): Define.
12751 2006-02-06 Roger Sayle <roger@eyesopen.com>
12753 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12755 2006-02-07 Ben Elliston <bje@au.ibm.com>
12757 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12758 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12759 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12760 (ix86_return_in_memory): Handle TDmode.
12761 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12762 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12764 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12766 * reorg.c (dbr_schedule): Use dump_file instead of file.
12768 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12771 * config/ia64/predicates.md (extr_len_operand): New predicate.
12772 * config/ia64/ia64.md (extv): Tighten constraints.
12774 (*tbit_and_2): Ditto.
12775 (*tbit_and_3): Ditto.
12776 (*tbit_or_2): Ditto.
12777 (*tbit_or_3): Ditto.
12778 (*bit_zero): Ditto.
12781 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12784 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12786 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12788 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12789 loop_optimizer_init and loop_optimizer_finalize
12790 * tree-ssa-sink.c (execute_sink_code): Ditto.
12791 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12792 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12793 tree_ssa_loop_done): Ditto.
12794 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12795 * sched-ebb.c: Include output.h.
12796 (schedule_ebbs): Do not use dump argument.
12797 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12798 * loop.c (loop_dump_stream): Removed.
12799 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12801 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12802 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12803 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12804 loop_iterations, strength_reduce, record_biv, record_giv,
12805 final_giv_value, check_final_value, check_ext_dependent_givs,
12806 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12807 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12808 dump_file instead of loop_dump_stream.
12809 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12810 argument dump_file.
12811 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12813 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12814 * haifa-sched.c: Include output.h
12815 (schedule_insns, sched_init): Do not use dump argument.
12816 * mode-switching.c (optimize_mode_switching): Ditto.
12817 * modulo-sched.c (stats_file): Removed.
12818 (print_node_sched_params): Do not call argument dump_file.
12819 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12820 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12822 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12824 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12825 rtl_loop_init, rtl_loop_done): Ditto.
12826 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12827 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12829 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12830 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12831 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12832 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12833 * emit-rtl.c (renumber_insns): Ditto.
12834 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12835 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12836 * regclass.c (regclass): Ditto.
12837 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12838 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12839 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12840 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12842 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12843 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12845 * gcse.c (gcse_file, debug_stderr): Removed.
12846 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12847 rest_of_handle_gcse): Do not use dump argument.
12848 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12849 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12850 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12851 compute_code_hoist_vbeinout, compute_code_hoist_data,
12852 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12853 compute_store_table, build_store_vectors, insert_insn_start_bb,
12854 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12855 store_motion): Use dump_file instead of gcse_file.
12856 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12857 * profile.c (profile_dump_file): Removed.
12858 (branch_prob): Use dump_file instead of profile_dump_file.
12859 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12861 * tree-ssa-copy.c (dump_copy_of): Ditto.
12862 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12863 dump file to life_analysis.
12864 * bt-load.c (branch_target_load_optimize): Ditto.
12865 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12867 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12868 regclass, dbr_schedule): Declaration changed.
12869 * sched-int.h (sched_init): Declaration changed.
12870 * tree-profile.c (tree_profile_dump_file): Removed.
12871 (tree_profile_hooks): Removed profile_dump_file hook.
12872 * rtl-profile (rtl_profile_dump_file): Removed.
12873 (rtl_profile_hooks): emoved profile_dump_file hook.
12874 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12876 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12877 * tree-cfg.c (build_tree_cfg): Ditto.
12878 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12879 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12880 Declaration changed.
12881 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12882 life_analysis and schedule_insns.
12883 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12885 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12887 * config/mips/mips.c (mips_reorg): Ditto.
12888 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12891 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12893 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12894 (s390_mangle_fundamental_type): New.
12895 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12898 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12899 (alpha_mangle_fundamental_type): New.
12900 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12903 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12905 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12907 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12908 (sparc_mangle_fundamental_type): New.
12910 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12912 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12913 (s390x-*-linux*): Likewise.
12914 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12915 * config/s390/t-linux: New file.
12917 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12919 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12920 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12922 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12924 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12925 (ANTIC_SAFE_LOADS): New macro.
12926 (find_or_generate_expression): Add prototype.
12927 (set_contains_value): Allow null set for sake of not always having
12928 to allocate ANTIC_SAFE_LOADS.
12929 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12930 Allow COMPONENT_REF too.
12931 (valid_in_set): Allow COMPONENT_REF.
12932 Check ANTIC_SAFE_LOADS too.
12933 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12934 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12936 (can_PRE_operation): Add COMPONENT_REF.
12937 (create_component_ref_by_pieces): New function.
12938 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12939 (insert_aux): Move AGGREGATE_TYPE_P check here.
12940 (compute_avail): Set bb local stmt uids.
12941 (pass_pre): Use TODO_update_ssa_only_virtuals.
12943 2006-02-06 Ben Elliston <bje@au.ibm.com>
12945 * configure.ac: Unconditionally disable decimal float by default.
12946 * configure: Regenerate.
12948 2006-02-06 Ben Elliston <bje@au.ibm.com>
12950 * read-rtl.c (read_name): Terminate reading on EOF.
12952 2006-02-06 Ben Elliston <bje@au.ibm.com>
12954 * dfp.c (decimal_real_arithmetic): Change second argument type
12955 from int to enum tree_code. Do not always return true, but now
12956 return result of any call to decimal_do helper functions.
12957 * dfp.h (decimal_real_arithmetic): Update prototype.
12959 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12961 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12963 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12966 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12969 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12971 * tree-vrp.c (cfg_loops): Removed.
12972 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12973 Use current_loops instead of cfg_loops. Pass flags to
12974 loop_optimizer_init.
12975 * cfgloopmanip.c (fix_loop_structure): Update only available
12977 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12978 loop_optimizer_init.
12979 * modulo-sched.c (build_loops_structure): Removed.
12980 (sms_schedule): Use loop_optimizer_init.
12981 * loop-init.c (loop_optimizer_init): Use flags to determine
12982 which properties of loops to prepare.
12983 (rtl_loop_init): Pass flags to loop_optimizer_init.
12984 * tree-ssa-sink.c (execute_sink_code): Ditto.
12985 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12986 * tree-ssa-pre.c (init_pre): Ditto.
12987 * cfgloop.h (LOOPS_NORMAL): New.
12988 (loop_optimizer_init): Declaration changed.
12990 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12992 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12993 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12995 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12997 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12999 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13000 * pa/t-pa64: Delete quadlib.c rule.
13001 * pa/x-ada: Revert last change.
13002 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13004 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13006 PR rtl-optimization/26087
13007 * rtlanal.c (canonicalize_condition): Do not cross basic block
13010 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13013 * config/ia64/ia64.c: Include debug.h.
13014 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13015 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13016 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13017 (process_epilogue, process_set, process_for_unwind_directive):
13018 Output unwind info only if requested. Add CFA info if requested.
13019 Add new arguments as needed. Adjust callers.
13020 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13022 (DWARF2_FRAME_INFO): Define to zero.
13023 * config/ia64/unwind-ia64.c: Remove code that compensated for
13024 the CFA offset error fixed above.
13025 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13026 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13027 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13028 -funwind-tables and -fexceptions to enable frame info.
13029 (dwarf2out_frame_init): Define initial CFA even if
13030 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13031 DWARF2_UNWIND_INFO is nonzero, not just defined.
13032 (dwarf2out_frame_finish): Output non-EH call frame info only
13033 if DWARF2_FRAME_INFO is nonzero.
13034 (convert_cfa_to_loc_list,
13035 compute_frame_pointer_to_cfa_displacement): Define even if
13036 unwind info is not supported.
13037 (gen_subprogram_die): Use the above unconditionally. Remove
13038 legacy alternate code.
13039 * toplev.c (compile_file): Compile in call to
13040 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13041 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13043 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13044 Jakub Jelinek <jakub@redhat.com>
13046 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13047 IBM extended float format long double as "g" on powerpc*-linux.
13049 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13052 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13053 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13055 2006-02-03 Jason Merrill <jason@redhat.com>
13058 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13060 PR middle-end/25977
13061 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13062 on the return slot if it's an NRV.
13064 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13066 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13067 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13068 rewrite_use): Do not handle USE_OUTER.
13069 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13070 add_iv_outer_candidates, may_replace_final_value,
13071 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13072 (find_interesting_uses_op): Functionality of
13073 find_interesting_uses_outer_or_nonlin moved here.
13074 (find_interesting_uses_outside): Use find_interesting_uses_op.
13076 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13079 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13081 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13082 Ulrich Weigand <uweigand@de.ibm.com>
13085 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13086 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13087 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13088 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13090 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13091 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13092 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13093 Define secondary reloads for TFmode moves.
13094 (constant_modes): Add TFmode.
13095 (NR_C_MODES): Set to 8.
13096 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13098 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13099 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13100 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13101 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13102 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13103 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13104 (FPR mode macro): Add TFmode.
13105 (DSF mode macro): New.
13106 (<de>, <dee> mode attributes): Removed.
13107 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13108 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13109 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13110 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13111 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13112 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13113 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13114 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13115 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13116 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13117 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13118 "*negabs<mode>2", "sqrt<mode>2"):
13119 Changed <de> to <xde>. R constraint replaced by <Rf>.
13120 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13122 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13123 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13124 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13126 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13127 "extenddftf2", "extendsftf2"): New expanders.
13128 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13129 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13130 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13131 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13133 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13134 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13135 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13136 __floatditf): Add a GCC_4.1.0 symbol version tag.
13137 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13140 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13143 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13144 Use targetm.binds_local_p instead of TREE_PUBLIC.
13146 2006-02-02 Roger Sayle <roger@eyesopen.com>
13148 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13149 on INTEGER_TYPEs to indicate that it denotes a character type.
13150 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13151 signed_char_type_node, unsigned_char_type_node and char_type_node.
13152 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13153 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13154 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13156 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13157 Daniel Berlin <dberlin@dberlin.org>
13159 * tree-tailcall.c (arg_needs_copy_p): New function.
13160 (eliminate_tail_call): Use arg_needs_copy_p.
13161 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13162 (add_virtual_phis): New function.
13164 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13166 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13167 #ignore instead of #scratch for %g7 .register directive.
13169 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13171 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13174 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13176 * flow.c (calculate_global_regs_live): Assert that there aren't any
13179 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13181 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13182 what its name says.
13183 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13184 bsi_after_labels iterator.
13185 * tree-if-conv.c (find_phi_replacement_condition,
13186 replace_phi_with_cond_modify_expr): Likewise.
13187 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13188 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13190 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13192 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13194 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13197 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13198 array after growing it.
13200 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13202 PR middle-end/24901
13203 * fold-const.c (fold_checksum_tree): Change type of buf.
13205 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13207 * reload.c (push_secondary_reload): Initialize t_icode.
13209 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13211 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13212 -msoft-float -mlong-double-128 only issue a warning, but don't
13213 swich to DFmode long double.
13215 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13217 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13218 has a constant equivalent, iterate over equivalents for arg0,
13219 calling simplify_relational_operation and if there's a result
13220 cheaper than X, apply fold_rtx and return the result.
13222 2006-02-01 Jan Hubicka <jh@suse.cz>
13224 * opts.c (no_unit_at_a_time_default): New global variable.
13225 (decode_options): Use it.
13226 * opts.h (no_unit_at_a_time_default): Declare.
13228 2006-02-01 Paul Brook <paul@codesourcery.com>
13230 * function.c (assign_parm_setup_reg): Use function argument promotion
13232 * expr.c (expand_expr_real_1): Use function argument promotion rules
13235 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13237 * gcc.c (process_command): Change j to 'unsigned int'.
13239 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13241 PR middle-end/26001
13242 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13243 Use the corrected index for the character
13244 out of the string constant.
13246 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13248 * mode-switching.c (optimize_mode_switching): Fix size
13249 allocated for bb_info[n_entities].
13251 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13253 * gcc.c (main): Correct type that is allocated for
13254 explicit_link_files.
13256 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13258 * config/s390/s390.c (init_alignment_context): Set
13259 ALIAS_SET_MEMORY_BARRIER on the MEM.
13260 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13262 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13264 PR middle-end/25933
13265 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13267 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13270 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13272 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13273 * regrename.c: Ditto.
13274 * tree-ssa-loop-im.c: Ditto.
13275 * tree-dump.c: Ditto.
13276 * tree-complex.c: Ditto.
13277 * genrecog.c: Ditto.
13278 * tree-ssa-threadupdate.c: Ditto.
13280 * java/class.c: Ditto.
13281 * java/jcf-parse.c: Ditto.
13282 * java/resource.c: Ditto.
13283 * java/except.c: Ditto.
13284 * java/jvspec.c: Ditto.
13285 * java/jcf-write.c: Ditto.
13286 * java/jcf-path.c: Ditto.
13287 * java/gjavah.c: Ditto.
13288 * java/zextract.c: Ditto.
13289 * java/jcf-io.c: Ditto.
13290 * java/jcf.h: Ditto.
13291 * java/buffer.c: Ditto.
13292 * java/lang.c: Ditto.
13293 * java/parse-scan.y: Ditto.
13294 * java/lex.c: Ditto.
13295 * java/lex.h: Ditto.
13296 * cfgloopmanip.c: Ditto.
13297 * postreload-gcse.c: Ditto.
13298 * tree-ssa-loop-manip.c: Ditto.
13299 * postreload.c: Ditto.
13300 * tree-ssa-loop-ch.c: Ditto.
13303 * cppspec.c: Ditto.
13304 * diagnostic.c: Ditto.
13306 * genoutput.c: Ditto.
13308 * cfghooks.c: Ditto.
13309 * cfgloopanal.c: Ditto.
13310 * objc/objc-act.c: Ditto.
13312 * genextract.c: Ditto.
13313 * genautomata.c: Ditto.
13314 * pretty-print.c: Ditto.
13315 * genemit.c: Ditto.
13316 * cgraphunit.c: Ditto.
13318 * df-scan.c: Ditto.
13319 * haifa-sched.c: Ditto.
13320 * dominance.c: Ditto.
13322 * tree-ssa-loop-ivopts.c: Ditto.
13323 * df-core.c: Ditto.
13324 * mode-switching.c: Ditto.
13325 * modulo-sched.c: Ditto.
13327 * ipa-pure-const.c: Ditto.
13329 * fix-header.c: Ditto.
13331 * tree-stdarg.c: Ditto.
13332 * ipa-utils.c: Ditto.
13333 * loop-init.c: Ditto.
13334 * ipa-inline.c: Ditto.
13335 * cfganal.c: Ditto.
13337 * alloc-pool.c: Ditto.
13338 * dwarf2out.c: Ditto.
13340 * genattrtab.c: Ditto.
13341 * tree-ssa-loop-ivcanon.c: Ditto.
13342 * predict.c: Ditto.
13343 * timevar.c: Ditto.
13345 * fortran/gfortranspec.c: Ditto.
13346 * regmove.c: Ditto.
13347 * local-alloc.c: Ditto.
13348 * langhooks.c: Ditto.
13349 * function.c: Ditto.
13350 * tree-vectorizer.c: Ditto.
13352 * ipa-type-escape.c: Ditto.
13354 * tree-if-conv.c: Ditto.
13355 * profile.c: Ditto.
13357 * tree-data-ref.c: Ditto.
13358 * loop-unroll.c: Ditto.
13359 * treelang/treetree.c: Ditto.
13361 * bt-load.c: Ditto.
13362 * ggc-common.c: Ditto.
13364 * coverage.c: Ditto.
13366 * tree-cfgcleanup.c: Ditto.
13367 * tree-ssa-pre.c: Ditto.
13368 * cfgcleanup.c: Ditto.
13369 * loop-invariant.c: Ditto.
13370 * loop-iv.c: Ditto.
13371 * ipa-prop.c: Ditto.
13372 * print-tree.c: Ditto.
13373 * conflict.c: Ditto.
13374 * ggc-page.c: Ditto.
13375 * sched-deps.c: Ditto.
13376 * regclass.c: Ditto.
13377 * tree-object-size.c: Ditto.
13378 * combine.c: Ditto.
13379 * bb-reorder.c: Ditto.
13380 * resource.c: Ditto.
13381 * var-tracking.c: Ditto.
13382 * cfgloop.c: Ditto.
13383 * df-problems.c: Ditto.
13384 * reg-stack.c: Ditto.
13386 * gccspec.c: Ditto.
13387 * sched-rgn.c: Ditto.
13388 * tree-ssa-structalias.c: Ditto.
13389 * tree-ssa-reassoc.c: Ditto.
13390 * config/darwin-c.c: Ditto.
13391 * config/darwin.c: Ditto.
13392 * config/arm/arm.c: Ditto.
13394 * collect2.c: Ditto.
13395 * reload1.c: Ditto.
13397 2006-01-31 Nicolas Pitre <nico@cam.org>
13399 * arm.md (smaxsi3): Make aware of smax_m1.
13402 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13404 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13406 2006-01-31 Richard Guenther <rguenther@suse.de>
13408 * doc/invoke.texi (-msselibm): Document.
13409 * target.h (expand_library_builtin): New target hook.
13410 * builtins.c (expand_builtin): Use expand_library_builtin.
13411 (default_expand_library_builtin): New function.
13412 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13413 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13414 (link_gcc_math_spec): Declare.
13415 (static_specs): Add link_gcc_math_spec.
13416 * expr.h (default_expand_library_builtin): Declare.
13417 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13418 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13419 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13420 * config/i386/i386.opt (msselibm): New target option.
13421 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13422 (ix86_init_sse_abi_builtins): New function.
13423 (ix86_expand_library_builtin): Likewise.
13424 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13425 (override_options): Handle error conditions wrt -msselibm.
13426 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13427 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13428 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13431 2006-01-31 Richard Guenther <rguenther@suse.de>
13432 Paolo Bonzini <bonzini@gnu.org>
13434 * doc/install.texi (--disable-libgcc-math): Document.
13436 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13438 * expr.h (expand_normal): new inline function.
13439 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13440 * dojump.c: use it.
13441 * dwarf2out.c: use it.
13444 * expmed.c: use it.
13445 * except.c: use it.
13446 * config/sparc/sparc.c: use it.
13447 * config/i386/i386.c: use it.
13448 * config/rs6000/rs6000.c: use it.
13449 * config/arm/arm.c: use it.
13450 * config/mips/mips.c: use it.
13451 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13453 2006-01-30 Roger Sayle <roger@eyesopen.com>
13455 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13456 argv to the appropriate type.
13458 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13460 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13463 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13466 * config/s390/s390.c (struct machine_function): New flag
13467 decomposed_literal_pool_addresses_ok_p.
13468 (s390_reorg): Set it before final stage of literal pool transforms.
13469 (s390_decompose_address): Only accept displacements of the form
13470 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13472 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13474 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13475 the comparison routine return.
13477 2006-01-30 Michael Matz <matz@suse.de>
13479 * global.c (find_reg): Only evict for global regs.
13480 Take n_refs into account and dump more info.
13482 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13485 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13486 (pragma_trap, pragma_nosave_low_regs): Likewise.
13487 (current_function_anonymous_args): Likewise.
13488 (sh_deferred_function_attributes): New variable.
13489 (sh_deferred_function_attributes_tail): Likewise.
13490 (print_operand): For '@', look up trap_exit attribute.
13491 (calc_live_regs): Look up trapa_handler attribute. For trapa
13492 handlers, save/restore fpscr, but don't do any other
13493 interrupt-specific saves.
13494 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13495 Fix check for partially saved registers to check for SHmedia.
13496 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13497 (sh_output_function_epilogue): Don't clear any of the removed
13499 (sh_insert_attributes): Don't check pragma_interrupt.
13500 Insert deferred attributes. Check that interrupt attribute is
13501 present for other attributes that require its presence.
13502 (sh_attribute_table): Add new attributes trapa_handler and
13504 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13505 Don't check for pragma_interrupt. Don't store argument.
13506 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13507 (sh_deferred_function_attributes): Declare.
13508 (sh_deferred_function_attributes_tail): Likewise.
13509 * sh.md (sp_switch_1): Add operand. Change generator caller.
13510 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13511 (*return_i): Don't use when trap_exit attribute is in effect.
13512 (*return_trapa): New insn pattern.
13513 * sh-c.c: New file.
13514 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13515 setting c_target_objs and cxx_target_objs.
13516 * t-sh: Add rule for sh-c.o.
13518 2006-01-30 Richard Guenther <rguenther@suse.de>
13521 * gimplify.c (gimplify_target_expr): Handle easy cases
13522 without creating a temporary.
13524 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13526 * vec.h (safe_grow): Remove duplicated line.
13528 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13531 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13532 (expand_omp): ... here.
13533 (expand_omp_parallel): Only remove barriers for combined
13534 parallel+workshare constructs.
13536 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13540 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13541 * tree.c (build_qualified_type): Chain the new type to the original
13542 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13543 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13544 (build_pointer_type_for_mode): Only return unqualified types.
13545 (build_reference_type_for_mode): Likewise.
13547 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13549 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13550 * Makefile.in (CXX_COMPAT_WARN): Define.
13551 * configure: Regenerate.
13553 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13556 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13559 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13561 * toplev.c: Fix thinko.
13563 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13564 Marcin Dalecki <martin@dalecki.de>
13566 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13567 (push_srcloc): Use XNEW.
13568 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13570 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13572 * df-core.c (df_set_blocks): Deleted all variable.
13574 2006-01-28 Ian Lance Taylor <ian@airs.com>
13576 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13577 cgraph_output_pending_asms.
13579 2006-01-28 Zack Weinberg <zackw@panix.com>
13581 * c.opt: Add -W(no-)overlength-strings.
13582 * doc/invoke.texi: Document it.
13583 * c-opts.c (c_common_handle_option): -pedantic implies
13584 -Woverlength-strings, if not explicitly disabled already.
13585 (c_common_post_options): -Woverlength-strings defaults to off, and
13586 is always off for C++.
13587 * c-common.c (fix_string_type): Issue warning about strings longer
13588 than is portable only if warn_overlength_strings. Rearrange code
13589 a little for clarity.
13590 * configure.in: Check for -Wno-overlength-strings as well before
13591 enabling -pedantic in stage 1.
13592 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13593 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13595 * genconditions.c (write_header, write_one_condition)
13596 (write_conditions, write_writer): Consolidate very long strings
13597 that were broken up to fit in C89 portable limit. Don't use
13598 printf when fputs will do.
13600 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13602 * combine.c (simplify_comparison <AND>): Check
13603 TRULY_NOOP_TRUNCATION before start using a subreg.
13605 * config/mips/mips.md (*branch_zero<mode>,
13606 *branch_zero<mode>_inverted, *branch_equality<mode>,
13607 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13608 Remove mode check from comparisons.
13610 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13612 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13614 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13616 * expmed.c (const_mult_add_overflow_p): Remove.
13617 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13619 * recog.c (validate_replace_rtx_subexp): Remove.
13620 * recog.h: Remove the prototype for
13621 validate_replace_rtx_subexp.
13623 * integrate.h: Remove the prototype for
13624 copy_decl_for_inlining.
13625 * rtl.h: Remove the prototype for mark_constant_function.
13626 * tree-vectorizer.h: Remove the prototype for
13627 vect_strip_conversion.
13629 * modulo-sched.c (create_partial_schedule,
13630 free_partial_schedule, reset_partial_schedule): Make them
13633 * hooks.c (hook_bool_rtx_int_false): Remove.
13634 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13636 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13638 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13639 and -mlong-double-128 are incompatible.
13640 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13641 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13642 (TARGET_LIBGCC2_CFLAGS): Define.
13643 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13644 (TARGET_LIBGCC2_CFLAGS): Same.
13645 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13647 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13650 * c-typeck.c (build_binary_op): Perform implicit casts of
13651 operands before shortening them.
13653 * cfgloopmanip.c (split_loop_bb): Remove.
13654 * cfgloop.h: Remove the prototype for split_loop_bb.
13656 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13657 * cfgloop.h: Remove the prototype for
13658 flow_loop_outside_edge_p.
13660 * emit-rtl.c (init_virtual_regs): Make it static.
13661 * function.h: Remove the prototype for init_virtual_regs.
13663 * recog.c (peephole2_optimize): Make it static.
13664 * recog.h: Remove the prototype for peephole2_optimize.
13666 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13668 * df-scan.c (df_record_entry_block_defs): Check if
13669 INCOMING_RETURN_ADDR_RTX is defined.
13671 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13672 Kenneth Zadeck <zadeck@naturalbridge.com>
13674 PR rtl-optimization/24762
13675 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13676 * targhooks.c (hook_void_bitmap): New hook prototype.
13677 * targhoohs.h (hook_void_bitmap): Ditto.
13678 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13679 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13680 * target.h (live_on_entry): New function pointer.
13681 * df-scan.c (df_all_hard_regs): Removed.
13682 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13683 (df_scan_free_internal): Added df->entry_block_defs.
13684 (df_scan_alloc): Ditto.
13685 (df_scan_dump): Ditto.
13686 (df_uses_record): Plumbed flag field properly thru calls.
13687 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13688 This part fixes PR24762.
13689 (df_bb_refs_record): Added code to make the frame and arg
13690 pointers live in EH blocks.
13691 (df_refs_record): Added call to df_record_entry_block_defs.
13692 (df_record_entry_block_defs): New function.
13693 * df-core.c: Added comments to describe new artifical defs.
13694 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13695 (entry_block_defs): New field in struct df.
13696 (df_all_hard_regs): Deleted.
13697 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13698 * df-problems.c (df_ru_bb_local_compute_process_def):
13699 Added code to handle artifical defs in the entry to a function.
13700 (df_ru_bb_local_compute): Ditto.
13701 (df_rd_bb_local_compute_process_def): Ditto.
13702 (df_rd_bb_local_compute): Ditto.
13703 (df_lr_bb_local_compute): Ditto.
13704 (df_ur_bb_local_compute): Ditto.
13705 (df_urec_bb_local_compute): Ditto.
13706 (df_chain_create_bb): Ditto.
13707 (df_ur_local_finalize): Removed entry.
13708 (df_urec_init): Ditto.
13709 (df_urec_local_finalize): Ditto.
13710 (df_ri_bb_compute): Added detection of last use of pseudos.
13711 * Makefile.in (df-scan.o): Updated dependencies.
13712 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13713 * config/mips/mips.c (mips_set_live_on_entry): Added.
13714 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13716 * dce.c (marked_insn_p): Added code to handle artifical defs.
13718 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13720 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13722 (_mm_cvtsi128_si64): Likewise.
13723 (_mm_cvtsd_si64): Likewise.
13724 (_mm_cvttsd_si64): Likewise.
13725 (_mm_cvtsi64_sd): Likewise.
13726 (_mm_cvtsi64_si128): Likewise.
13727 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13728 (_mm_cvtsi64_m64): Likewise.
13729 (_m_to_int64): Likewise.
13730 (_mm_cvtm64_si64): Likewise.
13731 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13732 (_mm_cvttss_si64): Likewise.
13733 (_mm_cvtsi64_ss): Likewise.
13734 (_mm_cvtss_f32): Likewise.
13736 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13738 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13739 for pragma redefine_extname.
13741 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13744 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13745 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13746 -mno-minimal-toc to previous content.
13747 (bispecs): Remove goal.
13748 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13749 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13750 compatibility aliases on powerpc-*-*gnu*.
13751 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13752 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13753 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13754 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13755 (ldblspecs): New goal.
13756 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13757 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13759 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13760 L_sf_to_tf or L_df_to_tf is defined.
13762 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13763 Alan Modra <amodra@bigpond.net.au>
13766 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13767 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13768 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13769 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13770 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13771 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13772 (rs6000_override_options): Initialize rs6000_ieeequad.
13773 Initialize TFmode format to ibm_extended_format if not
13775 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13777 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13778 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13779 (function_arg_advance): IBM long double passed in two FPRs, not
13781 (function_arg): IBM long double passed in FPRs.
13782 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13783 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13784 Only multireg GPR aligned.
13785 (rs6000_init_libfuncs): Enable IBM long double functions if not
13787 (rs6000_generate_compare): Use IBM long double compare if not
13789 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13790 (TARGET_IEEEQUAD): Define.
13791 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13792 not TARGET_IEEEQUAD.
13793 * config/rs6000/rs6000.md: Enable TFmode patterns if
13795 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13796 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13797 and -mlong-double-128 are incompatible.
13798 * doc/invoke.texi (-mabi): Collect options together. Add
13799 ibmlongdouble and ieeelongdouble.
13801 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13803 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13805 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13806 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13807 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13808 * rtl.h (rtunion_def): Remove rt_ptr.
13810 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13811 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13812 * config/i386/winnt.c (i386_pe_mark_dllexport)
13813 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13815 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13817 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13819 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13823 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13824 pthread_key_delete. From John David Anglin. gthrw-ify
13825 pthread_getunique_np only if it it's not a macro. Delete
13827 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13828 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13829 __gthread_objc_condition_signal, __gthread_key_delete): Add
13830 "__attribute__ ((__unused__))" to unused arguments.
13831 (__gthread_recursive_mutex_init_function): Add missing return.
13832 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13833 gthr-posix95.h: Use macro-based approach for name redirection
13834 on targets missing weakref.
13836 2006-01-26 Zack Weinberg <zackw@panix.com>
13838 * genconditions.c (write_header): In generated code, #ifdef out
13839 all includes and fake declarations, except includes of bconfig.h
13840 and system.h, unless GCC_VERSION >= 3001. Do not include
13841 gensupport.h in any case.
13842 (write_conditions): Generate a definition of struct c_test. Add
13843 a comment to the generated #endif.
13844 (write_one_condition): Escape backslashes in string too.
13845 (write_writer): Generated code must escape backslashes and quote
13846 marks (but not newlines) in the strings it writes.
13847 * Makefile.in (build/gencondmd.o): Update dependencies.
13849 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13852 * Makefile.in (insn-automata.o): Add header file dependencies.
13853 * genautomata.c: Add includes.
13855 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13858 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13860 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13862 * configure.ac: Expect target tools paths to be passed from the toplevel
13863 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13865 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13867 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13870 * c.opt (Wpointer-sign): Init to -1.
13871 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13872 OPT_pedantic, to 0 otherwise.
13873 * doc/invoke.texi: Update.
13875 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13877 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13878 constants provided by 80387 instructions in the destination mode.
13880 2006-01-26 Richard Guenther <rguenther@suse.de>
13881 Andrew Pinski <pinskia@physics.uc.edu>
13884 partial PR tree-opt/17064
13885 * tree-ssa-structalias.c (intra_create_variable_infos):
13886 Create heap variables for incoming parameters if
13887 flag_argument_noalias > 1.
13888 (find_what_p_points_to): Look through default defs of
13891 2006-01-26 Jeff Law <law@redhat.com>
13894 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13895 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13896 within the VR_RANGE, use the VR_RANGE as the result, not the
13898 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13899 bounds for the type.
13901 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13903 * tree-ssa-alias.c (maybe_create_global_var): Change
13904 subvar walking to an assertion that we don't have subvar'd variables.
13906 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13909 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13910 Use a new variable, inner. PARM_DECLs are always non-weak.
13912 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13914 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13915 --disable-checking.
13917 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13919 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13921 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13923 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13924 (smax_insn, smin_insn, smax_0, smin_0): New.
13926 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13929 * config/cris/cris.c (cris_order_for_addsi3): New function.
13930 * config/cris/cris-protos.h: Prototype it.
13931 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13932 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13933 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13934 (split for "op.S1 [rx=rx+i],ry (swapped)")
13935 (split for "op(s|u).S1 [rx=rx+i],ry")
13936 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13937 Apply cris_order_for_addsi3 when generating addsi3 insns.
13939 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13941 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13942 (TREE_BLOCK): Add call to EXPR_CHECK.
13944 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13947 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13948 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13949 (dump_omp_clauses): ... here.
13950 (dump_generic_node): Handle OMP_CLAUSE.
13951 * tree.c (omp_clause_num_ops): New.
13952 (omp_clause_code_name): New.
13953 (tree_code_size): Handle OMP_CLAUSE.
13954 (tree_size): Likewise.
13955 (make_node): Document handling of OMP_CLAUSE.
13956 (tree_node_structure): Handle OMP_CLAUSE.
13957 (omp_clause_check_failed): New.
13958 (omp_clause_range_check_failed): New.
13959 (omp_clause_operand_check_failed): New.
13960 (build_omp_clause): New.
13961 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13962 * tree.h (enum omp_clause_code): Declare.
13963 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13964 (OMP_CLAUSE_RANGE_CHECK): Define.
13965 (OMP_CLAUSE_ELT_CHECK): Define.
13966 (omp_clause_check_failed): Declare.
13967 (omp_clause_operand_check_failed): Declare.
13968 (omp_clause_range_check_failed): Declare.
13969 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13970 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13971 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13972 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13973 (OMP_CLAUSE_IF_EXPR): Likewise.
13974 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13975 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13976 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13977 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13978 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13979 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13980 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13981 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13982 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13983 (OMP_CLAUSE_CODE): Define.
13984 (OMP_CLAUSE_SET_CODE): Define.
13985 (OMP_CLAUSE_CODE): Define.
13986 (OMP_CLAUSE_OPERAND): Define.
13987 (struct tree_omp_clause): Declare.
13988 (union tree_node): Add field 'omp_clause'.
13989 * treestruct.def (TS_OMP_CLAUSE): Define.
13990 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13991 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13992 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13993 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13994 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13995 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13996 (OMP_CLAUSE): Define.
13997 * print-tree.c (print_node): Handle OMP_CLAUSE.
13998 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13999 * c-typeck.c: Likewise.
14000 * gimplify.c: Likewise.
14001 * c-omp.c: Likewise.
14002 * tree-nested.c: Likewise.
14003 * tree-inline.c: Likewise.
14004 * c-parser.c: Likewise.
14005 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14008 2006-01-25 Roger Sayle <roger@eyesopen.com>
14010 PR rtl-optimization/25703
14011 * combine.c (try_combine): Handle zero_extract and strict_low_part
14012 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14014 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14016 * global.c: Fix comment typos.
14018 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14021 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14022 Use output_addr_const instead of assemble_name.
14024 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14026 * Makefile.in (sched-vis.o): Update dependencies.
14027 * haifa-sched.c (sched_finish): Clear current_sched_info.
14028 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14029 (dump_flow_info): Call it.
14030 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14032 * basic-block.h (dump_bb_info): Declare.
14033 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14034 option, and apply options only for dump files whose TDF_RTL,
14035 TDF_TREE, or TDF_IPA bits match.
14036 * rtl.h: Declare new functions exported from sched-vis.c.
14037 * sched-vis.c: Enable also if scheduling is not used.
14038 (print_value): Print the mode of registers if not inside scheduling.
14039 (print_insn): Make it work outside the scheduler. Beautify the output
14041 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14043 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14045 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14046 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14047 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14048 depending on the value of CONSTANT_POOL_ADDRESS_P.
14049 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14051 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14052 rather than SYMBOL_REF_DECL.
14053 (rtx_constant_pool): Remove const_rtx_sym_htab.
14054 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14055 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14056 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14057 Remove handling of const_rtx_sym_htab.
14058 (find_pool_constant): Delete.
14059 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14060 rather than find_pool_constant.
14061 (get_pool_constant_for_function): Delete.
14062 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14063 find_pool_constant.
14064 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14065 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14066 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14067 (SYMBOL_REF_CONSTANT): New macro.
14068 (get_pool_constant_for_function): Delete.
14069 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14070 rather than SYMBOL_REF_DECL.
14071 (i386_pe_mark_dllimport): Likewise.
14072 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14073 rather than SYMBOL_REF_DECL.
14074 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14075 (machopic_indirect_call_target): Likewise.
14077 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14079 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14081 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14083 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14085 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14087 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14089 2006-01-24 David Daney <ddaney@avtrex.com>
14092 * configure.ac (enable_tls): New enable option.
14093 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14094 * configure: Regenerate.
14095 * doc/install.texi (--enable-tls): Document new option.
14096 (--disable-tls): Ditto.
14098 2006-01-24 Richard Henderson <rth@redehat.com>
14100 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14101 * alias.c (true_dependence): Respect it.
14102 (canon_true_dependence, write_dependence_p): Likewise.
14103 * builtins.c (get_builtin_sync_mem): Set it.
14105 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14107 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14110 2006-01-24 DJ Delorie <dj@redhat.com>
14112 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14113 for storing constants in single-bit bitfields.
14115 2006-01-25 Ben Elliston <bje@au.ibm.com>
14117 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14119 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14122 * tree-ssa-pre.c (phi_translate): Return NULL
14123 for AGGREGATE_TYPE's.
14125 2006-01-24 Zack Weinberg <zackw@panix.com>
14127 * genautomata.c (process_state_for_insn_equiv_partition):
14128 Use xcalloc for insn_arcs_array.
14129 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14130 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14132 2006-01-24 Richard Henderson <rth@redhat.com>
14134 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14135 update all callers.
14137 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14139 PR rtl-optimization/25890
14140 PR rtl-optimization/25905
14141 * combine.c (expand_compound_operation, expand_field_assignment):
14142 Fail if the bitfield's final position is out of bounds.
14144 2006-01-24 Ian Lance Taylor <ian@airs.com>
14146 PR middle-end/25930
14147 * cgraphunit.c (cgraph_output_in_order): Don't clear
14148 cgraph_asm_nodes until after asm strings have been output.
14150 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14152 * fix-header.c (read_scan_file): Add new parameter imultilib when
14153 calling register_include_chains.
14155 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14157 * omp-low.c: Update documentation.
14159 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14160 Daniel Berlin <dberlin@dberlin.org>
14164 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14165 return from the function.
14167 2006-01-22 Zack Weinberg <zackw@panix.com>
14169 * rtl.def (match_code): Add second argument.
14170 * genpreds.c (write_extract_subexp): New function.
14171 (write_match_code): Add path argument. Use write_extract_subexp.
14172 (write_predicate_expr): Pass path to write_match_code.
14173 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14174 not perform a mode test.
14175 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14176 a subexpression does not constrain the top-level code set.
14177 * read-rtl.c (read_rtx_variadic): New function.
14178 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14179 * doc/md.texi: Document new notation.
14180 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14181 (cmpsi_operand): ... here, using new notation.
14183 2006-01-22 Zack Weinberg <zackw@panix.com>
14185 * varray.c: Remove GENERATOR_FILE #ifdefs.
14187 2006-01-22 Zack Weinberg <zackw@panix.com>
14189 * genautomata.c (output_reserved_units_table): Emit nothing if
14190 description->query_units_num is zero. Remove extra blank line.
14191 (output_cpu_unit_reservation_p): Short circuit
14192 if description->query_units_num is zero.
14194 2006-01-22 Zack Weinberg <zackw@panix.com>
14196 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14197 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14198 nor any of the random handful of variables that used to be necessary
14199 when this program was linked with rtlanal.o. Prune set of forward
14200 function declarations.
14201 (struct attr_desc): Remove static_p field.
14202 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14203 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14204 (attr_string): Do not read the character one past the length of
14206 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14207 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14208 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14209 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14210 (make_automaton_attrs): New.
14211 (main): Do not call into genautomata. Call local gen_bypass
14212 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14213 Remove special case for insn_alts.
14214 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14215 varray.h (leftover from previous change). Prune set of forward
14216 function declarations. Remove state_alts fields from all
14217 structures. Remove state_alts_table from struct automaton.
14218 Make everything except main static. Do not maintain num_dfa_decls.
14219 Do not maintain state_alts fields of various structures.
14220 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14221 (add_arc): Remove state_alts argument. All callers updated.
14222 (output_reserved_units_table): Emit #ifdef here...
14223 (output_tables): ...not here. Don't generate state_alts tables.
14224 (expand_automata): Don't generate attributes.
14225 (write_automata): Don't generate state_alts functions.
14226 (main): New function.
14227 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14228 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14229 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14230 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14231 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14232 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14233 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14234 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14236 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14237 * genattrtab.h: Delete file.
14238 * Makefile.in (OBJS-common): Add insn-automata.o.
14239 (insn-automata.o): New rule.
14240 (simple_generated_c): Add insn-automata.c.
14241 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14242 (genprogmd): Add automata.
14243 (build/genattrtab): Needs no extra objects nor libraries.
14244 (build/genautomata): Needs build/vec.o and -lm.
14246 2006-01-22 Zack Weinberg <zackw@panix.com>
14248 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14249 (output_dfa_max_issue_rate, locked_states_num): Delete.
14250 (struct automaton): Add locked_states field.
14251 (output_dead_lock_vect): Save number of locked states in
14252 automaton->locked_states. If it is zero, don't print anything.
14253 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14254 (output_internal_dead_lock_func): Only test the dead_lock_vect
14255 for automata that have locked states.
14256 (output_statistics): Always print the number of locked states for
14257 each automaton. Calculate total number of locked states here.
14258 (write_automata): Don't call output_dfa_max_issue_rate.
14259 * genattrtab.c: Define length_unit_log as a const variable.
14260 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14261 max_insn_queue_index const.
14262 * final.c (length_unit_log): Declare const.
14263 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14265 2006-01-22 Zack Weinberg <zackw@panix.com>
14267 * genautomata.c: Include vec.h, not varray.h.
14268 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14269 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14270 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14271 VEC_* macros operating on appropriately typed vectors, or to
14272 malloced arrays when the size is known in advance. Const-ify
14273 many char* variables and function arguments. No functional changes.
14274 * Makefile.in (build/varray.o): Delete rule.
14275 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14276 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14278 2006-01-22 Zack Weinberg <zackw@panix.com>
14280 * gensupport.c: Define get_insn_name and record_insn_name here.
14281 (read_md_rtx): Call record_insn_name as appropriate.
14282 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14283 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14284 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14286 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14287 (BUILD_VARRAY): Delete.
14288 (genprognormal): Rename genprogmd. Fold in all programs from
14289 genprognoprint; also attrtab.
14290 (build/genattrtab): Just mention genautomata.o and varray.o.
14291 Reorganize a bit, add comments to make the categories clearer.
14293 2006-01-22 Zack Weinberg <zackw@panix.com>
14295 * genconditions.c (condition_table, add_condition): Delete.
14296 (write_conditions): Don't emit n_insn_conditions nor
14297 insn_elision_unavailable. Issue the gcc version #ifdef here,
14298 inside the table, with no #else clause ...
14299 (write_header): ...not here.
14300 (write_writer): New function.
14301 (main): Don't initialize condition_table. Use add_c_test.
14303 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14304 files on the command line.
14305 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14306 Return -1 if there is no entry in the table, don't abort.
14307 (add_c_test, traverse_c_tests): New functions.
14308 * gensupport.h (insn_elision_unavailable, insn_conditions)
14309 (n_insn_conditions): Delete declarations.
14310 (add_c_test, traverse_c_tests): Declare.
14311 * read-rtl.c: Include gensupport.h.
14312 (read_conditions): New function.
14313 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14314 (read_rtx_1): If we get EOF when we were looking for an initial
14315 open paren, return 0. Call read_conditions when appropriate.
14316 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14317 dummy-conditions.o. Eliminate references to insn-conditions.o,
14318 or change them to build/gencondmd.o, as appropriate. Remove
14319 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14320 from $(simple_generated_c). For all files remaining in those
14321 two lists, add insn-conditions.md to the generator command line.
14322 Give insn-constants.h/s-constants their own rules. Add rules
14323 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14324 (build/read-rtl.o): Depend on gensupport.h.
14325 (genprognormal): Include preds.
14326 (genprogearly): Rename genprognoprint; only difference is now that
14327 they don't link with $(BUILD_PRINT).
14328 * dummy-conditions.c: Delete.
14330 2006-01-22 Zack Weinberg <zackw@panix.com>
14332 * genextract.c: Don't include insn-config.h. Do include vec.h.
14333 Declare vectors of int, char, and locstr.
14334 (locstr): New typedef.
14335 (struct extraction): Make all array fields into bare pointers.
14336 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14337 (insn_code_number): Delete.
14338 (accum_extract): New struct.
14339 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14340 (gen_insn): Take insn_code_number as an argument. Use an
14341 accum_extract structure instead of loading data directly into
14342 a struct extraction, and having to know how big it might get.
14343 (walk_rtx): Operate entirely on an accum_extract structure.
14344 (print_path): Avoid unnecessary use of printf.
14345 (print_header): New function, split out of main. Distinguish
14346 more carefully between an unrecognizable insn and an insn that
14347 has the code number of a define_expand.
14348 (main): Pass insn_code_number to gen_insn. Call print_header
14349 only after parsing. Avoid unnecessary use of printf.
14350 * Makefile.in (build/vec.o): New rule.
14351 (build/genextract): Depend on build/vec.o.
14352 (build/genextract.o): Don't depend on insn-config.h.
14354 2006-01-22 Zack Weinberg <zackw@panix.com>
14356 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14357 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14358 practical. Eliminate per-generator-program link rules.
14360 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14362 PR middle-end/24437
14363 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14364 with a call expr to ...
14365 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14367 2006-01-23 Richard Guenther <rguenther@suse.de>
14369 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14370 before make_edge with conditional EDGE_TRUE_VALUE.
14372 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14373 Jan Hubicka <jh@suse.cz>
14374 Richard Guenther <rguenther@suse.de>
14376 PR rtl-optimization/25654
14377 * cfgexpand.c (aggregate_contains_union_type): New function.
14378 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14379 for structure variables that contain a union type.
14381 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14383 * gengtype.c (new_structure): Return the structure.
14384 (create_option): Add an extra "next" argument.
14385 (create_field): New function.
14386 (adjust_field_rtx_def): Use create_option and create_field.
14387 Remove a now-unnecessary call to find_structure.
14388 (adjust_field_tree_def): Likewise.
14389 (note_yacc_type): Remove an unnecessary call to find_structure.
14390 * gengtype.h (new_structure): Return the structure.
14391 (create_option): Add an extra argument.
14392 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14393 (option): Adjust calls to create_option.
14395 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14397 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14399 2006-01-22 Paul Brook <paul@codesourcery.com>
14400 Peter Barada <peter@the-baradas.com>
14402 * config/m68k/m68k.md: Add Coldfire FPU support.
14403 Define FP mode macro and associated attributes.
14404 Use it for float mode patterns.
14405 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14406 (LIBCALL_VALUE): Use m68k_libcall_value.
14407 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14408 (m68k_function_value): Ditto.
14409 (emit_move_sequence): Ditto.
14410 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14411 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14412 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14413 (MULTILIB_EXCEPTIONS): Ditto.
14414 * config/m68k/m68k.opt: Add mcfv4e.
14415 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14416 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14417 (m68k_output_function_prologue): Save ColdFire FPU registers.
14418 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14419 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14420 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14421 ColdFire FPU registers.
14422 (m68k_libcall_value, m68k_function_value): New functions.
14423 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14424 (LIBCALL_VALUE): Use m68k_libcall_value.
14425 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14426 (MASK_COLDFIRE): Add MASK_CFV4E.
14427 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14428 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14429 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14430 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14431 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14432 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14433 * doc/invoke.tex: Document -mcfv4e on m68k.
14435 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14437 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14440 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14443 * c-opts.c (c_common_handle_option): Don't include
14444 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14445 * doc/invoke.texi (C++ Dialect Options): Document that
14446 -Wnon-virtual-dtor is no longer included in -Wall.
14448 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14450 * gcov.c (print_version), gcov-dump.c (print_version),
14451 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14454 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14456 * df-scan.c (problem_SCAN): Added NULL reset function.
14457 (df_scan_reset_blocks): Added code to call reset block function
14458 (df_bb_refs_delete) Fixed comment.
14459 (df_insn_refs_delete): Made tolerant of deleting non existent info
14460 for dataflow problems that need to be reset.
14461 * df-core.c (df_set_blocks): Ditto.
14462 * df.h (struct df_problem): Added reset_fun.
14463 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14464 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14465 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14466 functions to clear out all references to def-use or use-def chains.
14468 2006-01-21 Ben Elliston <bje@au.ibm.com>
14470 * varasm.c (assemble_real): Initialise data array.
14472 2006-01-20 Paul Brook <paul@codesourcery.com>
14474 Merge from csl-arm-branch.
14475 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14476 * config/arm/arm.md (movdi): Force operands[1] to a register
14477 if we have a non-register source.
14478 (*arm_movdi, *movdf_soft_insn): Require that one of the
14479 operands be a register.
14480 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14481 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14483 2006-01-20 DJ Delorie <dj@redhat.com>
14485 * varasm.c (initializer_constant_valid_p): Allow pointers
14486 initialized from integer constants of lesser precision.
14487 (output_constant): Allow non-int-sized pointer modes to be
14488 initialized from integer constants.
14490 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14493 * cppdefault.h (struct default_include): Add multilib flag.
14494 * cppdefault.c (cpp_include_defaults): Set it.
14495 * c.opt (-imultilib): New option.
14496 * c-opts.c (imultilib): New.
14497 (c_common_handle_option): Handle -imultilib.
14498 (c_common_post_options): Likewise.
14499 * c-incpath.c (add_standard_paths, register_include_chains):
14501 * c-incpath.h (register_include_chains): Add extra parameter.
14502 * gcc.c (do_spec_1): Generate -imultilib option.
14503 (The Specs Language): Update %I description.
14504 (process_command): Update copyright notice.
14505 * doc/cppopts.texi (-imultilib): Document.
14506 * doc/invoke.texi (-imultilib): Include in option summary.
14507 (%I): Update specs documentation.
14509 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14511 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14513 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14515 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14518 2006-01-20 Richard Guenther <rguenther@suse.de>
14519 Steven Bosscher <stevenb.gcc@gmail.com>
14521 PR rtl-optimization/24626
14522 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14523 EDGE_TRUE_VALUE if in RTL mode.
14526 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14527 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14529 2006-01-20 Dirk Mueller <dmueller@suse.com>
14532 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14533 instead of a special NOP marker.
14534 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14535 NOP marker handling.
14536 * c-common.h (empty_body_warning): Add forward declaration.
14537 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14538 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14540 2006-01-20 Paul Brook <paul@codesourcery.com>
14542 * Makefile.in (lang_checks): Keep going if mkdir fails.
14544 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14546 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14547 be able to clean out basic block when not necessary.
14548 (df_scan_free): Fixed to properly delete information if df is
14549 unused before calling df_finish.
14550 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14551 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14553 (df_bb_refs_delete): New function.
14554 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14555 * df-core.c (df_set_blocks): Added code to properly clean out
14556 unused blocks if they are not part of the blocks to consider.
14557 Added additional null check.
14558 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14559 be able to clean out basic block when not necessary
14560 * df.h (df_free_bb_function): Ditto.
14561 (df_bb_refs_delete): New function.
14562 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14563 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14564 basic block parameter to be able to clean out basic block when not
14566 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14567 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14568 Fixed to properly delete information if df is unused before
14571 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14573 PR rtl-optimization/25799
14574 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14575 Corrected confluence operator to remove bits from op2 before oring
14576 with op1 rather than removing bits from op1.
14577 (df_ru_transfer_function): Corrected test on wrong bitmap which
14578 caused infinite loop. Both of these problems were introduced in
14579 the dataflow rewrite.
14581 2006-01-19 DJ Delorie <dj@redhat.com>
14583 * reload1.c (find_reload_regs): Note the details of reload
14584 failures in the dump file.
14585 (spill_failure): Likewise.
14587 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14589 * loop-iv.c: Include df.h and hashtab.h.
14590 (enum iv_grd_result): New enum.
14591 (DF_REF_IV, DF_REF_IV_SET): New macros.
14592 (struct biv_entry): New.
14593 (df, bivs): New global variables.
14594 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14595 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14597 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14598 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14599 analyzed_for_bivness_p, record_biv): New functions.
14600 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14601 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14602 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14604 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14606 (iv_number_of_iterations): Use new interface to iv analysis.
14607 * loop-unroll.c: Do not include varray.h.
14608 (analyze_iv_to_split_insn): Use new interface to iv
14610 * loop-unswitch.c (may_unswitch_on): Ditto.
14611 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14613 (df_bb_modify): Realloc tables to the new index.
14614 (df_find_use): New function.
14615 * df.h (df_find_use): Declare.
14616 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14618 * cfgloop.h (struct rtx_iv): Remove analysed field.
14619 (iv_get_reaching_def): Removed.
14620 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14621 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14622 (loop-iv.o): Add df.h and hashtab.h dependency.
14623 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14625 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14628 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14630 (__floatundisf, __floatundidf): Likewise.
14631 * libgcc2.h (IS_IBM_EXTENDED): Define.
14633 2006-01-19 DJ Delorie <dj@redhat.com>
14635 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14637 2006-01-19 Paul Brook <paul@codesourcery.com>
14639 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14640 as nothrow when unwinding tables are disabled.
14642 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14645 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14646 of bit-field" when in system header.
14648 2006-01-19 DJ Delorie <dj@redhat.com>
14650 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14651 the 16 bit shift limit of the m16c.
14653 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14656 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14657 * config/i386/i386.c (output_set_got): Output the label if we have one
14658 for the TARGET_DEEP_BRANCH_PREDICTION case.
14660 2006-01-19 Jan Hubicka <jh@suse.cz>
14661 H.J. Lu <hongjiu.lu@intel.com>
14662 Evandro Menezes <evandro.menezes@amd.com>
14664 * invoke.texi (generic): Document
14666 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14667 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14668 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14669 (x86_use_incdec, x86_pad_returns): New variables
14670 (TARGET_CPU_DEFAULT_generic): New constant
14671 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14672 (enum processor_type): Add generic32 and generic64.
14673 * i386.md (cpu attribute): Add generic32/generic64
14674 (movhi splitter): Behave sanely when both partial_reg_dependency and
14675 partial_reg_stall are set.
14676 (K8 splitters): Enable for generic as well.
14677 * predicates.md (incdec_operand): Use TARGET_INCDEC
14678 (aligned_operand): Avoid memory mismatch stalls.
14679 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14680 * ppro.md: Enable for generic32
14681 * i386.c (generic64_cost, generic32_cost): New.
14682 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14683 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14684 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14685 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14686 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14687 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14688 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14689 x86_accumulate_outgoing_args, x86_prologue_using_move,
14690 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14691 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14692 Enable for generic.
14693 (x86_use_incdec, x86_pad_returns): New.
14694 (override_options): Add generic32 and generic64, translate "generic"
14695 to generic32/generic64 and "i686" to "generic32", refuse
14696 "generic32"/"generic64" as arch target.
14697 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14698 (ix86_reorg): Honor PAD_RETURNS.
14700 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14702 * tree-pretty-print.c (dump_generic_node): Handle
14703 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14704 * cgraph.c (cgraph_expand_queue): Rename from
14705 cgraph_analyze_queue. Update all users.
14706 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14707 cgraph_expand_queue.
14708 (cgraph_expand_all_functions): Likewise.
14709 (cgraph_finalize_pending_functions): Remove. Update callers.
14711 * tree.h (OMP_DIRECTIVE_P): Define.
14712 (OMP_PARALLEL_FN): Define.
14713 (OMP_PARALLEL_DATA_ARG): Define.
14714 (OMP_SECTIONS_SECTIONS): Define.
14715 * tree-pass.h (pass_expand_omp): Declare.
14716 * omp-low.c (struct omp_region): Declare.
14717 (struct omp_context): Remove fields 'parallel_type',
14718 'parallel_start_ix' and 'parallel_start_additional_args'.
14720 (struct omp_for_data): Rename from struct expand_omp_for_data.
14721 (omp_regions): New static variable.
14722 (root_omp_region): New static variable.
14723 (find_omp_clause): Make static.
14724 (is_in_combined_parallel_ctx): Remove.
14725 (is_combined_parallel): New.
14726 (extract_omp_for_data): Move earlier in the file.
14727 (workshare_safe_to_combine_p): New.
14728 (get_ws_args_for): New.
14729 (determine_parallel_type): Move earlier in the file.
14730 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14732 (omp_copy_decl): Likewise.
14733 (create_omp_child_function): Likewise.
14734 (lookup_omp_region): New.
14735 (dump_omp_region): New.
14736 (debug_omp_region): New.
14737 (debug_all_omp_regions): New.
14738 (new_omp_region): New.
14739 (scan_omp_parallel): If parallel_nesting_level > 1, the
14740 directive is nested within another parallel directive.
14741 Set OMP_PARALLEL_FN.
14742 (scan_omp_for): Do not try to handle combined parallel+for
14744 Remove FIXME comment.
14745 (scan_omp_nested): Remove.
14746 (scan_omp_1): Do not call scan_omp_nested when
14747 parallel_nesting_level is > 1.
14748 Do not change the DECL_CONTEXT of local variables found.
14749 (lookup_decl_in_outer_ctx): New.
14750 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14751 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14752 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14753 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14754 If CTX is nested, lookup VAR in the outer context when
14755 building copy assignment.
14756 (lower_send_clauses): Rename from expand_send_clauses.
14757 If CTX is nested, lookup VAR in the outer context when
14758 building copy assignments.
14759 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14760 If CTX is nested, lookup VAR in the outer context when
14761 building copy assignments.
14762 (expand_parallel_call): Rename from build_parallel_call.
14763 Handle combined parallel+workshare cases.
14764 Re-implement to emit code into the CFG.
14766 (expand_omp_parallel): Re-implement to emit code into the CFG.
14767 Call move_sese_region_to_fn to outline the sub-graph
14768 containing the parallel region.
14769 (expand_omp_for_1): Remove.
14770 (expand_omp_for_generic): Re-implement to emit code into the
14772 (expand_omp_for_static_nochunk): Likewise.
14773 (expand_omp_for_static_chunk): Likewise.
14774 (expand_omp_for): Likewise.
14775 (expand_omp_sections): Likewise.
14776 (remove_exit_barriers): New.
14777 (expand_omp_synch): New.
14779 (build_omp_regions_1): New.
14780 (build_omp_regions): New.
14781 (execute_expand_omp): New.
14782 (gate_expand_omp): New.
14783 (pass_expand_omp): Define.
14784 (lower_omp_sections): Rename from expand_omp_sections.
14785 Set OMP_SECTIONS_SECTIONS.
14786 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14787 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14788 (lower_omp_single): Rename from expand_omp_simple.
14789 (lower_omp_master): Rename from expand_omp_master.
14790 (lower_omp_ordered): Rename from expand_omp_ordered.
14791 (lower_omp_critical): Rename from expand_omp_critical.
14792 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14793 (lower_omp_for): Re-implement.
14794 (lower_omp_parallel): Re-implement.
14795 (lower_regimplify): Rename from expand_regimplify.
14796 (lower_omp_1): Rename from expand_omp_1.
14797 If there are syntax errors in the program, replace every
14798 OpenMP directive with NOP.
14799 Call lower_omp_* instead of expand_omp_*.
14800 (lower_omp): Rename from expand_omp.
14802 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14803 * tree-gimple.h (enum omp_parallel_type): Remove.
14804 (gimple_boolify): Declare extern.
14805 (find_omp_clause, determine_parallel_type): Remove.
14807 * gimple-low.c (lower_omp_directive): New.
14808 (lower_stmt): Call it.
14809 (record_vars_into): Move from ...
14810 (record_vars): ... here.
14811 Call record_vars_into with current_function_decl.
14813 * gimplify.c (struct gimplify_ctx): Remove fields
14814 combined_pre_p and combined_ctxp. Update users.
14815 (get_formal_tmp_var): Add documentation.
14816 (gimple_boolify): Make extern.
14817 (gimplify_expr_in_ctx): Remove. Update callers.
14818 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14819 will always be a BIND_EXPR.
14820 (gimplify_expr): Handle OMP_RETURN_EXPR.
14821 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14822 (OMP_PARALLEL): Add 3 operands.
14823 (OMP_SECTIONS): Add 1 operand.
14824 (OMP_RETURN_EXPR): Define.
14826 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14827 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14828 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14829 creating a circular free list.
14830 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14832 * tree-flow.h (move_sese_region_to_fn): Declare.
14833 (record_vars_into): Declare.
14834 * tree-cfg.c (make_omp_sections_edges): New.
14835 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14836 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14837 OMP_SECTIONS and OMP_SECTION.
14838 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14839 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14840 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14841 (gather_blocks_in_sese_region): New.
14842 (struct move_stmt_d): Declare.
14843 (move_stmt_r): New.
14844 (move_block_to_fn): New.
14845 (move_sese_region_to_fn): New.
14847 * passes.c (init_optimization_passes): Schedule
14848 pass_expand_omp after pass_init_datastructures.
14850 * tree-ssa-operands.c (get_expr_operands): Handle
14851 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14852 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14854 2006-01-19 Jeff Law <law@redhat.com>
14856 * tree-vrp.c (extract_range_from_assert): Refine the result range
14857 if the variable referenced by the ASSERT_EXPR has a range and
14858 either the tentative result range or the previous range is a
14861 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14863 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14865 2006-01-19 Jan Hubicka <jh@suse.cz>
14867 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14869 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14871 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14872 (expand_compound_operation, expand_field_assignment): Fail if the
14873 bit lengths of an extract operation are out of range.
14874 (make_extraction): Compute wanted_inner_mode based on the position
14875 and length of the extraction. Make it extraction_mode for non-constant
14876 positions, and do not modify offset in that case. When generating a
14877 new MEM, use a mode that can hold the extraction while keeping correct
14878 alignment. Remove code that supported MEMs wrapped by USEs.
14879 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14881 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14883 * config/s390/s390.md ("Y", "y"): New mode attribute.
14884 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14885 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14886 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14887 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14888 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14889 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14890 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14891 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14892 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14893 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14894 "addsi3", "subsi3"): Insn patterns removed.
14895 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14896 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14897 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14898 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14899 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14900 "*sub<mode>3_cconly2"): New insn patterns.
14901 ("addsi3", "subsi3"): New expanders.
14903 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14905 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14906 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14907 existing STMT_VINFO_VECTYPE if available.
14908 (vect_mark_relevant): Add special handling for stmts that are
14909 marked as STMT_VINFO_IN_PATTERN_P.
14910 (vect_analyze_loop): Call vect_pattern_recog.
14911 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14912 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14914 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14915 (vect_recog_func_ptr): New function-pointer type.
14916 * tree-vect-patterns.c: New file.
14917 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14918 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14919 (vect_pattern_recog_1): New functions.
14920 (vect_pattern_recog_funcs): New array of function pointers.
14922 * tree-vectorizer.h (ternary_op): New enum value.
14923 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14924 declaration. Revised documentation. Removed redundant dump prints.
14925 Removed redundant argument. Added support for reduction patterns.
14926 (vectorizable_reduction): Added support for reduction patterns.
14927 (vect_transform_stmt): Added support for patterns.
14929 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14930 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14931 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14932 (expand_widen_pattern_expr): New function.
14933 (init_optabs): Initialize new optabs udot_prod_optab,
14935 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14936 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14937 (expand_widen_pattern_expr): New function declaration.
14938 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14940 * tree-inline.c (estimate_num_insns_1): Added cases for new
14941 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14942 * tree-pretty-print.c (dump_generic_node): Likewise.
14943 (op_prio): Likewise.
14944 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14945 * tree-ssa-operands.c (get_expr_operands): Added case for
14947 * tree-vect-patterns.c (widened_name_p): New function.
14948 (vect_recog_dot_prod_pattern): Added function implementation.
14949 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14950 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14951 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14952 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14954 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14955 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14956 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14957 (init_optabs): Initialize new optabs widen_ssum_optab,
14959 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14960 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14961 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14962 use instead of type of def.
14963 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14964 function implementation.
14965 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14966 widen_ssumv8hi): New.
14968 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14971 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14974 * c-decl.c (add_flexible_array_elts_to_size): New function.
14975 (finish_decl): Use it.
14977 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14979 * diagnostic.h: Include options.h.
14980 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14981 dependancies for diagnostic.h.
14982 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14984 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14986 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14987 (ssa_ro_call_cache_valid): Ditto.
14988 * tree-ssa-alias.c (sort_tags_by_id): New function.
14989 (init_transitive_clobber_worklist): Ditto.
14990 (add_to_worklist): Ditto.
14991 (mark_aliases_call_clobbered): Ditto.
14992 (compute_tag_properties): Ditto.
14993 (set_initial_properties): Ditto.
14994 (compute_call_clobbered): Ditto.
14995 (compute_may_aliases): Call compute_call_clobbered and grouping.
14996 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14997 (compute_flow_insensitive_aliasing): Grouping now happens in our
14999 (setup_pointers_and_addressables): Remove clobbering related code.
15000 (add_may_alias): Ditto.
15001 (replace_may_alias): Ditto.
15002 (get_nmt_for): Ditto.
15003 (create_global_var):
15004 (is_escape_site): Return an escape_type enumeration.
15005 * tree-flow-inline.h (is_call_clobbered): Global var does not
15006 imply call clobbered.
15007 (mark_call_clobbered): Take a reason for marking this. Remove
15008 marking of globalness, and cache invalidation.
15009 (clear_call_clobbered): Remove cache invalidation code.
15010 * tree-dfa.c (dump_variable): If details is on, dump the reason
15012 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15014 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15015 (struct var_ann_d): Ditto.
15016 (enum escape_type): New.
15017 (mark_call_clobbered): Adjust prototype.
15018 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15019 are never call clobbered.
15020 Record reasons for escaping.
15021 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15022 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15023 (ssa_ro_call_cache_valid): Ditto.
15024 (clobbered_v_may_defs): Ditto.
15025 (clobbered_vuses): Ditto.
15026 (ro_call_vuses): Ditto.
15027 (clobber_stats): New.
15028 (init_ssa_operands): Zero out clobber stats.
15029 (fini_ssa_operands): Print out clobber stats.
15030 (get_call_expr_operands): Pass callee fndecl to
15031 add_call_read_ops).
15032 (add_call_clobber_ops): Remove use of cache.
15033 Add use of PURE_CONST information.
15034 (add_call_read_ops): Remove use of cache.
15035 Add use of static not_read information.
15037 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15039 Introduce TLS descriptors for i386 and x86_64.
15040 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15041 (TARGET_ANY_GNU_TLS): New macro.
15042 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15043 (struct machine_function): Add tls_descriptor_call_expanded_p.
15044 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15045 (ix86_current_function_calls_tls_descriptor): Likewise.
15046 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15047 (override_options): Introduce gnu2 tls dialect.
15048 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15050 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15052 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15053 (ix86_init_machine_status): Initialize new field.
15054 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15055 (ix86_tls_module_base): New.
15056 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15057 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15058 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15059 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15060 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15061 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15062 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15063 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15064 * config/i386/predicates.md (tls_modbase_operand): New.
15065 (tp_or_register_operand): New.
15067 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15069 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15070 (look_for_address_of): Ditto.
15071 (ipa_init): Walk the function decls.
15072 (static_execute): Don't set readonly on FUNCTION_DECL's.
15074 2006-01-18 Roger Sayle <roger@eyesopen.com>
15076 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15077 for shifts where the source and destination registers are different.
15079 2006-01-18 Paul Brook <paul@codesourcery.com>
15081 Merge from csl-arm-branch.
15082 2005-03-14 Julian Brown <julian@codesourcery.com>
15083 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15084 (aeabi_llsl): Likewise.
15085 (ashrdi3): Likewise.
15086 (aeabi_lasr): Likewise.
15087 (lshrdi3): Likewise.
15088 (aeabi_llsr): Likewise.
15089 2005-03-10 Julian Brown <julian@codesourcery.com>
15090 * config.gcc: Disable shared libgcc for SymbianOS.
15091 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15093 2006-01-18 DJ Delorie <dj@redhat.com>
15095 * c-pragma.c (handle_pragma_diagnostic): New.
15096 (init_pragma): Register it.
15097 * doc/extend.texi: Document it.
15099 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15100 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15101 (diagnostic_context): Add classify_diagnostic[].
15102 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15103 as errors if they're overridden to DK_WARNING.
15104 (diagnostic_initialize): Initialize classify_diagnostic[].
15105 (diagnostic_set_kind_override): New.
15106 (diagnostic_report_diagnostic): Check for kind changes.
15107 * opts.c (common_handle_option): Take lang_mask. Update callers.
15108 Handle OPT_Werror_.
15109 * common.opt (Werror=): New.
15110 * doc/invoke.texi: Document -Werror=*
15112 2006-01-18 Jeff Law <law@redhat.com>
15114 * tree-vrp.c (test_for_singularity): Correct test for new
15115 min limit. Use operand_equal_p rather than pointer equality
15116 for testing if new min/max values are equal.
15118 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15119 using range information until after propagation and folding.
15121 2006-01-18 Richard Henderson <rth@redhat.com>
15122 Aldy Hernandez <aldyh@redhat.com>
15123 Jakub Jelinek <jakub@redhat.com>
15124 Diego Novillo <dnovillo@redhat.com>
15126 * omp-low.c: New file.
15127 * c-omp.c: New file.
15129 2006-01-18 Richard Henderson <rth@redhat.com>
15130 Jakub Jelinek <jakub@redhat.com>
15131 Diego Novillo <dnovillo@redhat.com>
15133 * doc/invoke.texi: Document -fopenmp.
15134 * tree-dump.h (debug_function): Declare.
15135 * hooks.c (hook_bool_tree_bool_false): New function.
15136 (hook_tree_tree_null): Remove.
15137 (hook_tree_tree_tree_null): New.
15138 * hooks.h: Update to match.
15139 * tree-pretty-print.c (debug_tree_chain): New.
15140 (print_generic_expr): Handle TDF_CHAIN.
15141 (dump_generic_node): Handle BLOCK.
15142 Do not abort with incomplete SWITCH_EXPRs.
15143 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15144 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15145 print space after directive name.
15146 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15147 Handle OMP_MASTER and OMP_ORDERED.
15148 Handle printing of OMP_BODY just in one place, goto
15149 dump_omp_body in the rest of OMP_* nodes that have
15151 Don't handle clause nodes here. Update omp statements to
15152 use dump_omp_clauses.
15153 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15154 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15155 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15156 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15157 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15158 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15159 Adjust output for GOMP_PARALLEL.
15160 (dump_omp_clauses): New.
15161 (print_declaration): Dump DECL_VALUE_EXPR.
15162 (op_symbol_1): Split out of op_symbol.
15163 (dumping_stmts): Remove. Update all users.
15164 * cgraph.c (cgraph_analyze_queue): New.
15165 (cgraph_add_new_function): New.
15166 * cgraph.h (cgraph_analyze_queue): Declare.
15167 (cgraph_add_new_function): Declare.
15168 (cgraph_lower_function): Remove.
15169 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15170 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15171 and TYPE_P nodes in its default clause.
15172 (empty_body_p): New.
15173 (tree_range_check_failed): New.
15174 (build5_stat): New.
15175 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15176 OMP_CLAUSE_REDUCTION_MERGE,
15177 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15178 OMP_CLAUSE_PRIVATE_DEBUG,
15179 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15180 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15181 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15182 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15183 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15184 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15185 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15186 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15187 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15188 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15189 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15190 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15191 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15192 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15193 (TREE_RANGE_CHECK): New.
15194 (empty_body_p): Declare.
15195 (enum omp_clause_default_kind): New.
15196 (build_string_literal): Declare.
15197 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15198 (build5_stat, build5): Declare.
15199 * tree-pass.h (TDF_CHAIN): Define.
15200 * tree-pass.h (PROP_gimple_lomp): Define.
15201 (pass_lower_omp): Declare.
15202 * diagnostic.h (debug_tree_chain): Declare.
15203 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15205 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15206 * builtins.c (build_string_literal): Make extern.
15207 * gcc.c (include_spec_function): New.
15208 (static_spec_functions): Add it.
15209 (main): Move load of libgomp.spec ...
15210 (LINK_COMMAND_SPEC): ... here.
15211 (link_gomp_spec): New.
15212 (static_specs): Include it.
15213 (LINK_COMMAND_SPEC): Add link_gomp.
15214 (GOMP_SELF_SPECS): New.
15215 (driver_self_specs): Include it.
15216 (switch_matches): Don't mark inline.
15217 (main): Load libgomp.spec.
15218 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15219 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15220 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15221 * tree-gimple.h (enum omp_parallel): Declare.
15222 (determine_parallel_type): Declare.
15223 (omp_firstprivatize_variable): Declare.
15224 (omp_reduction_init): Declare.
15225 (diagnose_omp_structured_block_errors): Declare.
15226 (struct walk_stmt_info): Add want_return_expr.
15227 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15228 (find_omp_clause): Declare.
15229 (insert_field_into_struct): Declare.
15230 (struct walk_stmt_info): Move from tree-nested.c
15231 (walk_stmts): Declare.
15232 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15234 * cgraphunit.c (cgraph_lower_function): Make static.
15235 (cgraph_finalize_pending_functions): New.
15236 (cgraph_finalize_function): Call it.
15237 (cgraph_finalize_compilation_unit): Likewise.
15238 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15239 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15240 (BT_FN_UINT_UINT): New.
15241 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15242 DEF_FUNCTION_TYPE_VAR_4): Document.
15243 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15244 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15245 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15246 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15247 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15248 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15249 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15250 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15251 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15252 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15253 into separate files.
15254 (DEF_GOMP_BUILTIN): New.
15255 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15256 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15257 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15258 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15259 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15260 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15261 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15262 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15263 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15264 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15265 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15266 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15267 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15268 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15269 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15270 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15271 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15272 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15273 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15274 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15275 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15276 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15277 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15278 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15279 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15280 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15281 * sync-builtins.def: New file, moved from builtins.def.
15282 * omp-builtins.def: New file, moved from builtins.def.
15283 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15284 * gimple-low.c (lower_function_body): Clear data.
15285 (lower_stmt): Do not handle COMPOUND_EXPR.
15286 Remove call to print_node_brief.
15287 * c-tree.h (c_finish_omp_clauses): New prototype.
15288 (C_DECL_THREADPRIVATE_P): Define.
15289 (lookup_name_no_remap, c_omp_remap_private): Remove
15290 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15291 (check_for_loop_decls): Update decl.
15292 (lookup_name_no_remap, c_omp_remap_private): Declare.
15293 (build_indirect_ref, build_modify_expr, pushdecl,
15294 pushdecl_top_level): Move to c-common.h.
15295 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15296 before the switch, but just in the 2 places that need it.
15297 * c-decl.c (diagnose_mismatched_decls): Do not check for
15298 mismatched thread-local attributes when OLDDECL is marked
15299 threadprivate and NEWDECL has no thread-local attributes.
15300 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15301 (c_gimple_diagnostics_recursively): Rename from
15302 c_warn_unused_result_recursively. Invoke
15303 diagnose_omp_structured_block_errors.
15304 (check_for_loop_decls): Return a singular decl found.
15305 * langhooks.c (lhd_omp_predetermined_sharing): Return
15306 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15307 (lhd_omp_firstprivatize_type_sizes): New.
15308 (lhd_omp_assignment): New.
15309 (lhd_omp_predetermined_sharing): New.
15310 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15311 (struct lang_hooks_for_types): Add
15312 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15313 omp_predetermined_sharing, omp_disregard_value_expr,
15314 omp_private_debug_clause, omp_clause_default_ctor,
15315 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15316 (c_finish_omp_clauses): New.
15317 (c_finish_bc_stmt): Diagnose break within omp for.
15318 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15319 (build_unary_op): Return error_mark after reporting
15321 (build_modify_expr): Likewise.
15322 * gimplify.c: Include optabs.h and pointer-set.h.
15323 (enum gimplify_omp_var_data): Declare.
15324 (struct gimplify_omp_ctx): Declare.
15325 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15327 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15328 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15329 (splay_tree_compare_decl_uid): New.
15330 (new_omp_context): New.
15331 (delete_omp_context): New.
15332 (gimple_add_tmp_var): Call omp_add_variable.
15333 (gimplify_bind_expr): Likewise.
15334 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15335 true, disregard DECL_VALUE_EXPR on the decl if any.
15336 (gimplify_expr_in_ctx): New.
15337 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15338 omp_add_variable, omp_notice_variable, omp_is_private
15339 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15340 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15341 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15342 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15343 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15344 gimplify_omp_atomic): New.
15345 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15346 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15347 OMP_CRITICAL and OMP_ATOMIC.
15348 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15349 * c-pragma.h (enum pragma_kind): Add
15350 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15351 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15352 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15353 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15354 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15355 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15356 PRAGMA_OMP_THREADPRIVATE.
15357 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15358 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15359 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15360 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15361 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15362 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15363 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15364 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15365 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15366 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15367 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15368 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15369 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15371 (struct nesting_info): Add field_map,
15372 suppress_expansion, debug_var_chain.
15373 (create_nesting_tree): Initialize them.
15374 (lookup_field_for_decl): Use field_map.
15375 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15376 (convert_local_omp_clauses): New.
15377 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15378 (walk_body): Split out of walk_function.
15379 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15380 (convert_nonlocal_reference): Handle omp statements.
15381 (convert_local_reference): Likewise.
15382 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15383 (unnest_nesting_tree): New.
15384 (lower_nested_functions): Call it.
15385 (insert_field_into_struct): Make extern.
15386 (struct walk_stmt_info): Move to tree-gimple.h.
15387 (walk_stmts): Make extern.
15388 * omp-builtins.def: New file.
15389 * tree-iterator.c (expr_only): Clarify comment.
15390 * c-common.h (pushdecl_top_level, pushdecl,
15391 build_modify_expr, build_indirect_ref,
15392 c_finish_omp_master, c_finish_omp_critical,
15393 c_finish_omp_ordered, c_finish_omp_barrier,
15394 c_finish_omp_atomic, c_finish_omp_flush,
15395 c_finish_omp_for, c_split_parallel_clauses,
15396 omp_clause_default_kind, c_omp_sharing_predetermined,
15397 c_omp_remap_decl): Declare.
15398 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15399 (OBJS-common): Add omp-low.o.
15400 (c-omp.o, omp-low.o): Add.
15401 (gimplify.o): Add dependency on $(OPTABS_H).
15402 (GTFILES): Add omp-low.c.
15403 (gt-stringpool.h): Add.
15404 * tree-cfg.c (set_bb_for_stmt): Do not update the
15405 block-to-labels map if we are currently expanding to RTL.
15406 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15408 Handle IDENTIFIER_NODE.
15409 (tree_verify_flow_info): Do not ICE when emitting error
15410 messages about invalid labels.
15411 (dump_function_to_file): Reset CFUN before emitting the body
15413 (debug_function): New.
15414 * passes.c (init_optimization_passes): Schedule
15416 * langhooks-def.h (lhd_omp_predetermined_sharing,
15417 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15419 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15420 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15421 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15422 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15423 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15424 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15425 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15426 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15427 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15428 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15429 (LANG_HOOK_DECLS): Use them.
15431 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15432 Richard Henderson <rth@redhat.com>
15433 Jakub Jelinek <jakub@redhat.com>
15434 Diego Novillo <dnovillo@redhat.com>
15436 * c-parser.c (pragma_omp_clause): Define.
15437 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15438 (c_parser_compound_statement): Likewise.
15439 (c_parser_statement): Likewise.
15440 (c_parser_pragma): Handle omp pragmas.
15441 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15442 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15443 (c_parser_omp_clause_name, check_no_duplicate_clause,
15444 c_parser_omp_variable_list,
15445 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15446 c_parser_omp_clause_copyprivate,
15447 c_parser_omp_clause_default,
15448 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15449 c_parser_omp_clause_lastprivate,
15450 c_parser_omp_clause_nowait,
15451 c_parser_omp_clause_num_threads,
15452 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15453 c_parser_omp_clause_reduction,
15454 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15455 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15456 c_parser_omp_atomic, c_parser_omp_barrier,
15457 c_parser_omp_critical, c_parser_omp_flush,
15458 c_parser_omp_for_loop, c_parser_omp_for,
15459 c_parser_omp_master, c_parser_omp_ordered,
15460 c_parser_omp_sections_scope, c_parser_omp_sections,
15461 c_parser_omp_parallel, c_parser_omp_single,
15462 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15463 * c-pragma.c (init_pragma): Do omp pragma registration here.
15464 * c.opt (fopenmp): New flag.
15466 2006-01-18 Eric Christopher <echristo@apple.com>
15468 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15469 * config/darwin.h (GOMP_SELF_SPECS): Define.
15471 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15473 * rtl.h: Remove the prototype for reg_alloc.
15475 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15478 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15479 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15480 sjlj and dwarf2 exception handling.
15481 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15482 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15483 * pa/pa.c (function_value): Treat complex and vector types as
15485 (function_arg): Likewise. Only pass scalar floats in the floating
15486 point argument registers.
15487 * pa/t-slibgcc-dwarf-ver: New file.
15488 * pa/t-slibgcc-sjlj-ver: New file.
15489 * pa/t-slibgcc-elf-ver: Delete file.
15491 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15493 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15494 unlikely_test_section_p test.
15496 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15498 * mode-switching.c (optimize_mode_switching): Make it static.
15499 * basic-block.h: Remove the prototype for
15500 optimize_mode_switching.
15502 * modulo-sched.c (sms_schedule): Make it static.
15503 * rtl.h: Remove the prototype for sms_schedule.
15505 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15506 * rtl.h: Remove the prototype for gcse_after_reload_main.
15508 * reg-stack.c (reg_to_stack): Make it static.
15509 * rtl.h: Remove the prototype for reg_to_stack.
15511 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15513 * rtl.h: Remove the prototypes for regrename_optimize and
15514 copyprop_hardreg_forward.
15516 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15518 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15519 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15520 Test against the appropriate null constant for the mode.
15521 If 'fixup_overlap' is true, swap the operands if they overlap.
15522 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15523 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15524 alpha_split_tmode_pair and adjust for above change.
15525 * config/alpha/alpha.md (movtf_internal): Adjust call to
15526 alpha_split_tfmode_pair and rely on it to swap the operands.
15527 (movti_internal): New insn and post-reload splitter.
15528 (movti): New expander.
15530 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15532 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15535 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15537 * rtlanal.c (global_reg_mentioned_p_1,
15538 global_reg_mentioned_p): Remove.
15539 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15541 * flow.c (initialize_uninitialized_subregs): Make it static.
15542 * rtl.h: Remove the prototype for
15543 initialize_uninitialized_subregs.
15545 * function.c (instantiate_virtual_regs): Make it static.
15546 * function.h: Remove the prototype for
15547 instantiate_virtual_regs.
15549 * regmove.c (regmove_optimize, combine_stack_adjustments):
15551 * rtl.h: Remove the prototypes for regmove_optimize and
15552 combine_stack_adjustments.
15554 2006-01-17 Roger Sayle <roger@eyesopen.com>
15556 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15557 (size_cost): Encode costs in bytes so that a reg-reg addition is
15558 equivalent to COSTS_N_INSNS(1).
15559 (override_options): Use the size_cost.branch_cost as the default
15560 ix86_branch_cost when optimizing for size.
15562 2006-01-18 Ben Elliston <bje@au.ibm.com>
15564 * Makefile.in (D32PBIT_FUNCS): New.
15565 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15566 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15567 D64PBIT_FUNCS and D128PBIT_FUNCS.
15568 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15569 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15571 (decnumber_dep): Define.
15572 * doc/libgcc.texi (Decimal float library routines): New node.
15573 * config/dfp-bit.h, config/dfp-bit.c: New files.
15575 2006-01-18 Ben Elliston <bje@au.ibm.com>
15577 * expr.c (emit_move_change_mode): Always adjust addresses, not
15578 just during reload. Copy replacements only during reload.
15579 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15580 emit_move_via_integer.
15582 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15584 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15585 instead of $(srcdir) and ${srcdir}.
15587 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15590 PR middle-end/11135
15591 * arm.h (struct machine_function): Add pic_reg.
15592 * arm.c (arm_pic_register): Make unsigned.
15593 (arm_override_options): Only set arm_pic_register if
15594 TARGET_SINGLE_PIC_BASE.
15595 (use_return_insn): Only test for a pic register if it is fixed.
15596 (arm_compute_save_reg0_reg12_mask): Likewise.
15597 (thumb_compute_save_reg_mask): Likewise.
15598 (legitimate_pic_operand): Factor out some known invariants.
15599 (legitimize_pic_address): If we don't have a fixed pic register,
15600 then set up a pseudo in the function entry sequence. Handle the
15601 pic base being in a pseudo.
15602 (arm_load_pic_register): Handle the pic register being in a pseudo.
15603 (arm_expand_prologue): Only set up the pic register if it is fixed.
15604 (thumb_expand_prologue): Likewise.
15605 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15606 (pic_load_addr_based_insn): Likewise.
15607 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15610 2006-01-18 Ben Elliston <bje@au.ibm.com>
15612 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15613 decimal float modes for all floating point registers.
15615 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15616 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15618 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15621 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15622 even when the pointer is not NULL.
15624 2006-01-16 Ian Lance Taylor <ian@airs.com>
15626 * common.opt (ftoplevel-reorder): New option.
15627 * cgraph.c (cgraph_asm_nodes): New global variable.
15628 (cgraph_asm_last_node): New static variable.
15629 (cgraph_order): New global variable.
15630 (cgraph_create_node): Set new order field.
15631 (cgraph_varpool_node): Likewise.
15632 (decide_is_variable_needed): Return true if not
15633 flag_toplevel_reorder.
15634 (cgraph_add_asm_node): New function.
15635 * cgraph.h (struct cgraph_node): Add order field.
15636 (struct cgraph_varpool_node): Add order field.
15637 (struct cgraph_asm_node): Define.
15638 (cgraph_asm_nodes, cgraph_order): Declare.
15639 (cgraph_add_asm_node): Declare.
15640 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15642 (cgraph_varpool_assemble_pending_decls): Call it.
15643 (cgraph_output_pending_asms): New static function.
15644 (cgraph_finalize_compilation_unit): Call it.
15645 (struct cgraph_order_sort): Define.
15646 (cgraph_output_in_order): New static function.
15647 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15648 !flag_toplevel_reorder case.
15649 * c-parser.c: Include "cgraph.h".
15650 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15652 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15653 than -fno-unit-at-a-time.
15654 * doc/invoke.texi (Option Summary): Mention
15655 -fno-toplevel-reorder.
15656 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15657 -funit-at-a-time documentation.
15659 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15660 Kazu Hirata <kazu@codesourcery.com>
15662 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15664 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15666 * Makefile.in (FUNCTION_H): New. Use it instead of
15667 function.h throughout the file.
15668 * function.h: Include tree.h.
15670 2006-01-17 Ben Elliston <bje@au.ibm.com>
15672 * recog.c: Separate some functions with whitespace.
15674 2006-01-16 Richard Henderson <rth@redhat.com>
15676 Merge from gomp branch:
15677 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15678 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15679 and rename from struct inline_data. Rename callee* to dst*;
15680 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15681 transform_new_cfg, transform_return_to_modify, and
15682 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15684 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15685 (copy_decl_for_dup): Remove.
15686 * tree-inline.c (struct inline_data): Move to header.
15687 (insert_decl_map): Export.
15688 (remap_decl): Update for member name changes. Use copy_decl hook.
15689 Allow for replacement to be a non-decl. Remove dead code.
15690 (remap_type_1): Check for existing mapping.
15691 (remap_type): Export.
15692 (remap_decls): Update for member name changes.
15693 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15694 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15695 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15696 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15697 (tree_function_versioning, build_duplicate_type): Likewise.
15698 (copy_body_r): Likewise. Export.
15699 (copy_decl_for_dup): Split into ...
15700 (copy_decl_for_dup_finish, copy_decl_to_var,
15701 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15702 (replace_ref_tree, inlining_p): Remove.
15704 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15706 * ifcvt.c (if_convert): Make it static.
15707 * rtl.h: Remove the prototype for if_convert.
15709 * local-alloc.c (local_alloc): Make it static.
15710 * rtl.h: Remove the prototype for local_alloc.
15712 * loop.c (loop_optimize): Make it static.
15713 * cfgloop.h: Remove the prototype for loop_optimize.
15716 2006-01-16 DJ Delorie <dj@redhat.com>
15718 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15721 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15723 * pa.md: Disparage copies between general and floating-point registers
15724 in 32-bit move patterns.
15726 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15729 * Makefile.in (check-%): Depend on site.exp instead of
15730 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15733 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15735 * global.c (global_alloc): Make it static.
15736 * rtl.h: Remove the prototype for global_alloc.
15738 2006-01-16 Richard Guenther <rguenther@suse.de>
15740 * tree-ssa-alias.c (struct used_part): Add write_only field.
15741 (get_or_create_used_part_for): Initialize it to true.
15742 (create_overlap_variables_for): Don't create structure variables
15743 for structures that only are written to.
15744 (find_used_portions): Handle MODIFY_EXPR to track whether a
15745 structure is only written to.
15747 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15749 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15751 * basic-block.h: Remove the prototype for
15752 partition_hot_cold_basic_blocks.
15754 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15756 * cppspec.c (lang_specific_spec_functions): Remove.
15757 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15758 * gcc.h (lang_specific_spec_functions): Remove.
15759 * gccspec.c (lang_specific_spec_functions): Remove.
15761 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15763 * combine.c (record_value_for_reg): Invalidate registers
15765 (record_dead_and_set_regs_1): Likewise, by passing them to
15766 record_value_for_reg.
15767 (record_dead_and_set_regs): Invalidate stores made by a
15768 call. We do not combine across a call, but we still
15769 relied on equivalences.
15771 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15773 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15774 vrp_int_const_binop returning non-constant nodes.
15776 2006-01-16 Paul Brook <paul@codesourcery.com>
15778 * config/m68k/m68k.c (output_move_const_into_data_reg):
15779 Output correct mnemonic for mvz and mvs.
15781 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15783 * rtl-factoring.c: Add sequence abstraction algorithm.
15784 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15785 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15787 (block_has_preserve_label): New function.
15788 * common.opt: Register new pass.
15789 * Makefile.in: Ditto.
15791 * timevar.def: Ditto.
15792 * tree-pass.h: Ditto.
15793 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15794 * rtl.h (make_jump_insn_raw): Add forward decl.
15795 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15797 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15798 Roger Sayle <roger@eyesopen.com>
15800 * fold-const.c (fold_minmax): New static function.
15801 (fold_binary) <MIN_EXPR>: Call it.
15802 <MAX_EXPR>: Likewise.
15803 * stor-layout.c (place_field): Use DECL_SIZE consistently
15804 in the computation of the new record size.
15806 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15808 * cse.c (cse_condition_code_reg): Make it static.
15809 * rtl.h: Remove the prototype for cse_condition_code_reg.
15811 * combine.c (combine_instructions): Make it static.
15812 * rtl.h: Remove the prototype for combine_instructions.
15814 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15817 * tree.c (get_file_function_name_long): Concatenate the first global
15818 object name with a string derived from the input filename of the object
15821 2006-01-16 Ben Elliston <bje@au.ibm.com>
15823 * config/i386/winnt-stubs.c: Update FSF address.
15824 * config/xtensa/ieee754-df.S: Ditto.
15825 * config/xtensa/ieee754-sf.S: Ditto.
15827 2006-01-14 Ian Lance Taylor <ian@airs.com>
15829 * ifcvt.c (noce_init_if_info): New static function, broken out of
15830 noce_process_if_block.
15831 (noce_process_if_block): Call noce_init_if_info.
15832 (check_cond_move_block): New static function.
15833 (cond_move_process_if_block): New static function.
15834 (process_if_block): Call cond_move_process_if_block.
15836 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15838 * cselib.c (hash_table): Rename to cselib_hash_table.
15839 (cselib_clear_table, discard_useless_values,
15840 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15841 cselib_init, cselib_finish): Adjust uses of hash_table.
15843 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15845 PR tree-optimization/25485
15846 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15847 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15848 is known to be false and true, respectively.
15850 2006-01-14 Richard Guenther <rguenther@suse.de>
15852 PR tree-optimization/22548
15853 PR tree-optimization/22555
15854 PR tree-optimization/22501
15855 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15856 * params.def (salias-max-array-elements): New parameter.
15857 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15858 * doc/invoke.texi (salias-max-array-elements): Document.
15859 * tree-flow-inline.h (var_can_have_subvars): We also handle
15861 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15863 * tree-ssa-structalias.c (params.h): Include.
15864 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15865 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15866 (get_constraint_for): For ADDR_EXPR operating on something
15867 containing an ARRAY_REF, add all subvars to the solution.
15868 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15869 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15870 for creating MUST_DEFs.
15871 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15873 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15875 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15877 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15878 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15879 number_of_iterations_le): New functions.
15880 (number_of_iterations_special): Removed.
15881 (number_of_iterations_exit): Do not use number_of_iterations_special.
15882 * tree.c (unsigned_type_for): Always return integer type.
15884 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15885 Richard Guenther <rguenther@suse.de>
15887 PR rtl-optimization/24257
15888 * gcse.c (find_moveable_store): Only consider a store movable
15889 when the SET_SRC of the insn can be assigned to a register.
15891 2006-01-14 Ian Lance Taylor <ian@airs.com>
15893 * tree.c (tree_not_class_check_failed): New function.
15894 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15895 (tree_not_class_check_failed): Declare.
15897 2006-01-13 Ian Lance Taylor <ian@airs.com>
15899 * reload1.c (do_output_reload): Add assertion rejecting a
15902 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15904 * combine.c (struct reg_stat): Add new fields truncation_label and
15906 (record_value_for_reg): Reset truncated_to_mode.
15907 (record_truncated_value): New function.
15908 (check_promoted_subreg): Call it. Rename to check_conversions.
15909 (combine_instructions): Rename check_promoted_subreg to
15911 (reg_truncated_to_mode): New function.
15912 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15913 (gen_lowpart_or_truncate): New function.
15914 (force_to_mode): Use it instead of gen_lowpart.
15916 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15918 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15919 VAR is a tag, not its type tag.
15921 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15923 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15924 alternatives to match style of other entries.
15925 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15927 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15929 PR tree-optimization/25771
15930 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15933 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15936 * tree-inline.c (declare_return_variable): If the return variable
15937 was marked as a non gimple complex, set the return slot variable
15938 to be a non gimple comple variable.
15940 2006-01-13 Richard Guenther <rguenther@suse.de>
15942 * builtins.c (expand_builtin_sincos): New function.
15943 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15945 (expand_builtin): Expand sincos using expand_builtin_sincos.
15947 2006-01-12 DJ Delorie <dj@redhat.com>
15949 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15950 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15951 so that constant shifts can be split.
15952 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15953 (m32c_valid_pointer_mode): Make static.
15954 (shift_gen_func_for): New.
15955 (m32c_prepare_shift): Use it. Split large const shifts into
15957 * config/m32c/predicates.md (shiftcount_operand): Allow more
15959 (longshiftcount_operand): New.
15960 * doc/md.texi (Machine Constraints): Document In6.
15962 2006-01-13 Ben Elliston <bje@au.ibm.com>
15964 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15965 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15968 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15970 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15971 to try to avoid clobbering pieces of structures when we know
15972 something about the whole structure.
15973 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15975 2006-01-13 Ben Elliston <bje@au.ibm.com>
15977 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15978 return in memory, as this is no limitation is no longer present.
15980 2006-01-12 DJ Delorie <dj@redhat.com>
15982 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15983 mova with fb, and for fb+0 -> An.
15985 * config/m32c/mov.md (peephole2): Fix enabling logic.
15987 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15988 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15989 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15990 FINI_ARRAY_SECTION_ASM_OP): Define.
15992 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15994 (m32c_legitimize_reload_address): New logic to reload FB to An.
15995 (m32c_output_reg_push): Add newline.
15996 (m32c_output_reg_pop): Likewise.
15998 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16000 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16002 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16004 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16006 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16008 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16011 2006-01-11 Ben Elliston <bje@au.ibm.com>
16013 * rtlanal.c (find_reg_note): Assert insn is not null.
16015 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16017 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16020 2006-01-11 Jeff Law <law@redhat.com>
16022 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16024 (mark_threaded_blocks, register_jump_thread): New functions.
16025 (thread_through_all_blocks): Remove unwanted argument. No
16026 longer rely on e->aux to communicate thread target info.
16027 Call mark_threaded_blocks. Release the threaded_blocks
16028 bitmap and threaded_edges vector when complete.
16029 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16030 (threaded_blocks): Remove.
16031 (tree_ssa_dominator_optimize): Remove initialization and
16032 finalization of threaded_blocks. Simplify call to
16033 thread_through_all_blocks.
16034 (thread_across_edge): Call register_jump_thread rather than
16035 storing thread information into e->aux.
16036 (free_all_edge_infos): Simplify now that e->aux is no longer
16037 used to communicate with thread_through_all_blocks.
16038 * tree-flow.h (thread_through_all_blocks): Update prototype.
16039 (register_jump_thread): Prototype.
16041 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16043 * df-core.c (df_compact_blocks, df_bb_replace): Use
16044 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16046 2006-01-11 Richard Guenther <rguenther@suse.de>
16048 PR tree-optimization/25734
16049 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16050 stop propagation after successful propagation to the LHS.
16052 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16054 * basic-block.h (control_flow_graph): Change the type of
16055 x_basic_block_info to VEC(basic_block,gc) *.
16056 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16058 (SET_BASIC_BLOCK): New.
16059 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16060 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16061 * cfgbuild.c (find_basic_blocks): Likewise.
16062 * cfglayout.c (fixup_reorder_chain): Likewise.
16063 * cfgrtl.c (create_basic_block_structure,
16064 rtl_create_basic_block): Likewise.
16065 * ifcvt.c (find_if_case_1): Likewise.
16066 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16069 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16071 * Makefile.in: Removed rotted odf.c entry.
16073 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16076 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16077 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16078 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16079 output pattern modifier, not %e.
16080 * config/cris/cris.c (cris_op_str): Update comment about pattern
16082 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16083 before falling through into...
16084 <case 'E'>: Redefined from old 'e' case.
16086 2006-01-11 Jan Hubicka <jh@suse.cz>
16089 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16091 2006-01-11 Jan Hubicka <jh@suse.cz>
16093 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16094 * i386.c (x86_decompose_lea): Kill.
16095 (ix86_rtx_costs): Kill.
16097 2006-01-11 Jan Hubicka <jh@suse.cz>
16099 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16100 * cgraph.h (cgraph_node): Add inline_decl.
16101 (cgraph_insert_node_to_hashtable): Declare.
16102 (save_inline_function_body): Declare.
16103 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16105 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16106 (cgraph_function_versioning): Update call of tree_function_versioning.
16107 (save_inline_function_body): New function.
16108 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16109 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16110 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16111 (cgraph_default_inline_p): Likewise.
16112 (cgraph_decide_inlining_incrementally): Likewise.
16113 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16114 (copy_bb): Kill saving; do updating of clones.
16115 (copy_cfg_body): Kill saving.
16116 (initialize_inlined-parameters): Likewise.
16117 (expand_call_inline): Likewise.
16119 (tree_function_versioning): New parameter "update_clones".
16120 (inlining_p): Kill saving.
16121 * tree-inline.h (tree_function_versioning): Update prototype.
16122 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16125 2006-01-11 Ian Lance Taylor <ian@airs.com>
16127 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16128 Allow undoing set of machine mode.
16129 (do_SUBST): Use enums instead of is_int.
16130 (do_SUBST_MODE): New function.
16131 (SUBST_MODE): New macro.
16132 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16133 reg and trying to replace reg_regno_rtx with a new register.
16134 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16135 (simplify_set): Use SUBST_MODE.
16136 (distribute_notes): Remove code that tried to update reg notes
16137 for regno_reg_rtx changes.
16139 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16141 PR tree-optimization/23109
16142 PR tree-optimization/23948
16143 PR tree-optimization/24123
16145 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16146 * tree-cfg.c (single_noncomplex_succ): New.
16147 * tree-flow.h (single_noncomplex_succ): Declare it.
16148 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16149 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16150 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16151 insert_bb, register_division_in, insert_reciprocals,
16152 replace_reciprocal, free_bb): New.
16153 (execute_cse_reciprocals_1): Rewritten.
16154 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16155 Do not commit any edge insertion. Always compute dominators and
16156 create the allocation pool.
16157 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16158 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16159 * targhooks.c (default_min_divistions_for_recip_mul): New.
16160 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16161 * passes.c (init_optimization_passes): Run recip after tree loop
16163 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16165 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16166 Kenneth Zadeck <zadeck@naturalbridge.com>
16168 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16169 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16170 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16171 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16172 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16173 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16174 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16175 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16176 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16177 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16178 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16179 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16180 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16181 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16182 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16183 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16184 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16185 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16186 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16187 DF_SCAN_POST_ALLOC): New macros.
16188 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16189 df_free_bb_function, df_local_compute_function, df_init_function,
16190 df_dataflow_function, df_confluence_function_0,
16191 df_confluence_function_n, df_transfer_function,
16192 df_finalizer_function, df_free_function, df_dump_problem_function,
16193 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16194 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16195 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16196 df_urec_bb_info, ) New types.
16197 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16199 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16200 df_analyze_simple_change_some_blocks,
16201 df_analyze_simple_change_one_block, df_compact_blocks,
16202 df_bb_replace, df_bb_regno_last_use_find,
16203 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16204 df_insn_regno_def_p, df_find_def, df_find_use,
16205 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16206 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16207 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16208 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16209 debug_df_chain, df_get_dependent_problem, df_chain_create,
16210 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16211 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16212 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16213 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16214 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16215 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16216 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16217 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16218 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16219 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16220 df_reorganize_refs, df_set_state, df_hard_reg_init,
16221 df_read_modify_subreg_p) New public functions.
16222 * df-core.c: The core dataflow solver and glue routines for rtl
16224 (df_init, df_add_problem, df_set_blocks, df_finish,
16225 df_hybrid_search_forward, df_hybrid_search_backward,
16226 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16227 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16228 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16229 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16230 df_reg_defined, df_find_use, df_reg_used, df_dump,
16231 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16232 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16233 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16234 debug_df_useno, reset_df_after_reload): New functions.
16235 * df-scan.c: The scanning fuctions, once in df.c, completely
16236 rewritten so that they now fully model the functionality of
16237 register usage at the backend.
16238 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16239 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16240 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16241 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16242 df_get_artificial_defs, df_get_artificial_uses,
16243 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16244 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16245 df_refs_delete, df_reorganize_refs, df_set_state,
16246 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16247 df_def_record_1, df_defs_record, df_uses_record,
16248 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16249 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16250 df_record_exit_block_uses, df_hard_reg_init): New functions.
16252 * df-problems.c: Seven concrete dataflow problems that use the
16253 scanning in df-scan.c and are solved by the engine in df-core.c.
16254 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16255 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16256 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16257 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16258 df_ru_free_bb_info, df_ru_alloc,
16259 df_ru_bb_local_compute_process_def,
16260 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16261 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16262 df_ru_transfer_function, df_ru_free, df_ru_dump,
16263 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16264 df_rd_free_bb_info, df_rd_alloc,
16265 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16266 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16267 df_rd_transfer_function, df_rd_free, df_rd_dump,
16268 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16269 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16270 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16271 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16272 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16273 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16274 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16275 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16276 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16277 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16278 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16279 df_urec_mark_reg_use_for_earlyclobber,
16280 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16281 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16282 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16283 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16284 df_chain_create_bb_process_use, df_chain_create_bb,
16285 df_chain_finalize, df_chain_free, df_chains_dump,
16286 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16287 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16288 df_reg_lifetime): New functions.
16289 * df.c: Deleted file.
16290 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16291 consistent with new df api.
16292 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16293 rest_of_handle_sms): Ditto.
16294 * web.c (unionfind_union, union_defs, entry_register, web_main):
16296 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16297 invariant_expr_equal_p, find_defs, check_dependencies,
16298 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16299 free_inv_motion_data, move_loop_invariants): Ditto.
16300 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16301 Update dependencies.
16302 (odf.c): Added defective entry that was deleted later in day.
16303 * sched-deps.c (sched_analyze_1): Ditto.
16305 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16307 * tree-ssa-operands.c (get_expr_operands): Record addressable
16308 variables directly. Do not call add_stmt_operands for CONST_DECLs
16310 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16311 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16313 2006-01-11 Ben Elliston <bje@au.ibm.com>
16315 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16316 function returns true in the positive case.
16318 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16321 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16322 for SI, DI, SF and DF modes. Add alternatives to copy between
16323 general and floating point registers to the 32-bit patterns.
16324 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16325 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16326 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16327 generating 64-bit code.
16328 * config/pa/pa.c (output_move_double): Handle copies between general
16329 and floating registers.
16331 2006-01-10 Stuart Hastings <stuart@apple.com>
16333 * config/i386/i386.md (set_got): Update.
16334 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16335 (builtin_setjmp_receiver): Mach-O support.
16336 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16337 (GOT_SYMBOL_NAME): Define.
16338 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16339 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16340 * config/i386/i386.c (override_options): Revise for Darwin.
16341 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16342 support. (darwin_x86_file_end): New. (output_set_got): Add label
16343 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16344 * config/i386/i386-protos.h (output_set_got): Likewise.
16345 * config/darwin.c (machopic_legitimize_pic_address): Update
16348 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16350 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16351 when MODE isn't BLKmode.
16353 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16355 PR rtl-optimization/25367
16356 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16358 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16361 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16362 for a negative bound.
16364 2006-01-10 Richard Guenther <rguenther@suse.de>
16366 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16367 Never override with anything constraint.
16369 2006-01-10 Jan Beulich <jbeulich@novell.com>
16371 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16372 256 bits when optimize_size.
16374 2006-01-10 Jan Beulich <jbeulich@novell.com>
16376 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16378 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16379 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16382 2006-01-10 Ben Elliston <bje@au.ibm.com>
16384 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16386 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16387 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16388 (USE_FP_FOR_ARG): Reject decimal float modes.
16389 (function_arg_advance): Likewise.
16390 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16391 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16392 point types in AltiVec vectors.
16393 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16394 (rs6000_libcall_value): Likewise.
16396 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16398 * config/xtensa/ieee754-df.S: New file.
16399 * config/xtensa/ieee754-sf.S: New file.
16400 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16401 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16402 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16404 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16406 * config/sh/predicates.md (binary_float_operator,
16407 binary_logical_operator, commutative_float_operator,
16408 equality_comparison_operator, greater_comparison_operator,
16409 less_comparison_operator, logical_operator,
16410 noncommutative_float_operator, shift_operator,
16411 symbol_ref_operand, unary_float_operator): Remove redundant
16414 2006-01-09 Jeff Law <law@redhat.com>
16416 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16417 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16418 now unused arguments. Callers updated.
16419 (eliminate_redundant_computations): Remove now unused arguments,
16421 (local_fold): Remove, no longer used.
16422 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16424 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16425 (simplify_cond): New function.
16426 (forward_propagate_into_cond): Call simplify_cond.
16428 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16430 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16431 (*vec_extractv2di_1_sse): New.
16433 2006-01-09 Ben Elliston <bje@au.ibm.com>
16435 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16437 2006-01-08 Richard Guenther <rguenther@suse.de>
16439 * tree-ssa-structalias.c (get_constraint_for): Remove
16440 anyoffset argument.
16441 (get_constraint_for_component_ref): Likewise.
16442 (do_deref): Likewise.
16443 (get_constraint_for): Likewise.
16444 (do_structure_copy): Likewise.
16445 (handle_ptr_arith): Likewise.
16446 (find_func_aliases): Likewise. Remove unused need_anyoffset
16449 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16450 Kaz Kojima <kkojima@gcc.gnu.org>
16452 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16453 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16454 (EXTRA_CONSTRAINT_C16): Remove.
16455 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16456 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16457 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16458 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16459 constants of SHmedia. Handle nested constant expressions of
16461 (andcosts): Fix the costs for SHmedia constants.
16462 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16463 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16464 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16465 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16466 (movv4hi_i, movv2si_i): Likewise.
16467 (movsi_const): Adjust the second operand of ior so to match with
16468 the Csu constraint.
16469 (movdi_const, movdi_const_32bit): Likewise.
16470 (movdi_const_16bit+1): Don't sign-extend LOW.
16471 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16473 (*double_shori): Fix the split condition. Use GEN_INT instead
16474 of get_int_mode calls. Mask lower 16-bit of the argument of
16476 (sym2GOTPLT): Remove.
16477 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16479 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16480 instead of EXTRA_CONSTRAINT_C16.
16482 2006-01-07 Ian Lance Taylor <ian@airs.com>
16483 David Edelsohn <edelsohn@gnu.org>
16485 PR rtl-optimization/25662
16486 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16487 for constant operands instead of simplify_gen_binary.
16488 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16489 after trying simplify_binary_operation
16491 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16493 * tree.c (iterative_hash_expr): Hash decls based on UID.
16495 2006-01-06 Eric Christopher <echristo@apple.com>
16497 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16498 (TARGET_UNWIND_EMIT): Fix spelling.
16499 * target.h (gcc_target): Add except_table_label.
16500 * except.c (output_function_exception_table): Use.
16501 * varasm.c (default_emit_except_table_label): New.
16502 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16504 (asm_out): Add here.
16505 * output.h (default_emit_except_table_label): Prototype.
16506 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16507 * config/darwin.c (darwin_emit_except_table_label): Define.
16508 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16510 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16512 PR tree-optimization/18527
16513 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16514 number_of_iterations_special, number_of_iterations_exit):
16515 Move base and step of an iv to a single structure. Add
16516 no_overflow flag, and use it in # of iterations analysis.
16517 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16518 folded_casts argument.
16519 (simple_iv): Pass base and step in a structure. Set no_overflow
16521 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16522 Evaluate expensiveness of computing # of iterations instead of
16523 the final expression.
16524 * tree-scalar-evolution.h (affine_iv): New structure.
16525 (simple_iv): Declaration changed.
16526 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16527 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16528 find_givs_in_stmt): Changed due to simple_iv change.
16530 2006-01-06 Jeff Law <law@redhat.com>
16533 * tree-cfg.c (bsi_replace): Rename final argument from
16534 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16535 change (stmt -> orig_stmt).
16536 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16537 (bsi_remove): Add new argument. Remove EH information
16539 (verify_eh_throw_table_statements): New function.
16540 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16542 * tree-optimize.c (execute_free_cfg_annotations): Verify
16543 the EH throw statement table after removing annotations.
16544 * except.h (verify_eh_throw_table_statements): Prototype.
16545 * tree-flow.h (bsi_remove): Update prototype.
16546 * tree-vrp.c (remove_range_assertions): Add new argument to
16548 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16549 * tree-complex.c (expand_complex_div_wide): Likewise.
16550 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16551 * tree-tailcall.c (eliminate_tailcall): Likewise.
16552 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16553 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16554 * tree-nrv.c (tree_nrv): Likewise.
16555 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16556 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16557 (combine_blocks): Likewise.
16558 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16559 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16560 (cleanup_control_flow): Likewise.
16561 (remove_forwarder_block): Likewise.
16562 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16563 * tree-sra.c (sra_replace): Likewise.
16564 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16565 (forward_propagate_single_use_vars): Likewise.
16566 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16567 * tree-inline.c (expand_call_inline): Likewise.
16568 * tree-vect-transform.c (vect_transform_loop): Likewise.
16569 * tree-outof-ssa.c (rewrite_trees): Likewise.
16570 * tree-cfg.c (make_goto_expr_edges): Likewise.
16571 (cleanup_dead_labels): Likewise.
16572 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16573 (bsi_move_before, bsi_move_after): Likewise.
16574 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16575 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16577 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16580 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16582 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16583 on non gimple variables. Also add checks at the top for decls and
16585 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16587 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16588 and IMAGPART_EXPR for creating MUST_DEFs.
16589 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16590 and NAME_MEMORY_TAG separately from the DECLs.
16592 2006-01-06 Richard Guenther <rguenther@suse.de>
16594 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16595 annotation, if necessary.
16596 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16597 redundant calls to update_stmt.
16598 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16601 2006-01-05 Richard Henderson <rth@redhat.com>
16603 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16605 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16607 * c-typeck.c: Update copyright date.
16609 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16611 * c-typeck.c (build_c_cast): Always warn when casting
16612 from a pointer to an integer of different size, even if
16613 the node was constant.
16615 2006-01-05 Richard Guenther <rguenther@suse.de>
16617 PR tree-optimization/22555
16618 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16619 if one structure field is an array.
16620 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16621 operands even if we found a subvar, but ignore VOPs in this
16623 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16625 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16627 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16629 PR middle-end/24998
16630 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16632 2006-01-05 Richard Guenther <rguenther@suse.de>
16633 Diego Novillo <dnovillo@redhat.com>
16635 * tree-pass.h (TODO_remove_unused_locals): Define.
16636 * gimple-low.c (expand_var_p, remove_useless_vars,
16637 pass_remove_useless_vars): Remove. Update all users.
16638 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16639 (remove_unused_locals): New function.
16640 * tree-flow.h (remove_unused_locals): Declare.
16641 * passes.c (execute_todo): Call remove_unused_locals if
16642 TODO_remove_unused_locals is set.
16643 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16644 * tree-ssa-dce.c (pass_dce): Likewise.
16645 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16647 2006-01-05 Richard Guenther <rguenther@suse.de>
16649 * tree-flow.h (struct fieldoff): Decompose field to
16650 type, size and decl.
16651 * tree-ssa-alias.c (create_sft): Take type as parameter.
16652 (create_overlap_variables_for): Store type, size and decl
16653 in the fieldoff structure.
16654 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16655 of struct fieldoff.
16656 (push_fields_onto_fieldstack): Likewise.
16657 (create_variable_info_for): Likewise. Use offset for the
16658 SFT name if the decl is not available.
16660 2006-01-04 Paul Brook <paul@codesourcery.com>
16662 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16664 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16666 * lambda-code.c (can_put_in_inner_loop): Relax
16668 (can_put_after_inner_loop): New function.
16669 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16670 (perfect_nestify): Change to make copies and modify uses.
16672 2006-01-04 Richard Henderson <rth@redhat.com>
16674 Merge from gomp branch:
16675 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16676 via integer constant.
16677 (pragma_lex): Remove.
16678 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16679 rather than parsing it.
16680 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16681 handle_pragma_extern_prefix): Add %< %> quotes.
16682 (registered_pragmas): New.
16683 (c_register_pragma_1): New.
16684 (c_register_pragma): Use it.
16685 (c_register_pragma_with_expansion): Likewise.
16686 (c_invoke_pragma_handler): New.
16687 (init_pragma): Use cpp_register_deferred_pragma directly for
16689 * c-pragma.h (enum pragma_kind): New.
16690 (pragma_handler): New.
16691 (c_invoke_pragma_handler): Declare.
16692 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16694 * c-common.h (c_common_pch_pragma): Update decl.
16695 * Makefile.in (c-parser.o): Update dependencies.
16696 (GTFILES): Add c-pragma.h.
16697 * c-parser.c (struct c_token): Add pragma_kind.
16698 (struct c_parser): Add in_pragma.
16699 (c_lex_one_token): Always initialize keyword and pragma_kind.
16700 Extract data for CPP_PRAGMA.
16701 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16702 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16703 Don't allow CPP_PRAGMA_EOL if in_pragma.
16704 (c_parser_consume_pragma): New.
16705 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16706 (c_parser_skip_to_end_of_parameter): Likewise.
16707 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16708 (c_parser_skip_to_pragma_eol): New.
16709 (c_parser_external_declaration): Handle CPP_PRAGMA.
16710 (c_parser_compound_statement_nostart): Likewise.
16711 (c_parser_statement_after_labels): Likewise.
16712 (c_parser_pragma): New.
16713 (pragma_lex): Likewise.
16714 (c_parser_pragma_pch_preprocess): New.
16715 (c_parser_new): Merge into ...
16716 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16718 2006-01-04 Jeff Law <law@redhat.com>
16721 * tree-cfg.c (bsi_replace): Remove the original statement
16722 from the EH throw statement table.
16724 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16726 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16727 make the prototype extern "C" and add throw ().
16730 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16731 and pos non-negative and pos + len <= 32.
16732 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16733 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16734 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16737 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16738 as well as sizes not multiple of component size.
16741 * function.c (instantiate_expr): New function.
16742 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16743 walk its DECL_VALUE_EXPR with instantiate_expr.
16745 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16746 DW_OP_deref{,_size} if address isn't going to be added.
16748 2006-01-04 Ben Elliston <bje@au.ibm.com>
16750 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16751 * config/fp-bit.c: Likewise.
16753 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16755 * dominance.c: Add comment about why we use DFS numbering
16758 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16759 Richard Henderson <rth@redhat.com>
16761 Merge from gomp-branch:
16762 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16763 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16765 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16767 PR rtl-optimization/25578
16768 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16769 pass a parameter to simplify_shift_const if changing ASHIFTRT
16772 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16774 * builtins.c (get_builtin_sync_mem): New function.
16775 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16776 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16777 Call get_builtin_sync_mem to generate mem rtx.
16779 2006-01-03 Richard Guenther <rguenther@suse.de>
16782 * stmt.c (add_case_node): Make sure to clear overflow flags
16785 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16787 Merge from gomp-branch.
16788 * config/sparc/sync.md: New file.
16789 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16790 UNSPECV_LDSTUB): New constants.
16791 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16792 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16793 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16796 2006-01-03 Roger Sayle <roger@eyesopen.com>
16798 * combine.c (reg_subword_p): New predicate to test whether the
16799 destination of a set refers to a subword/piece of a register.
16800 (try_combine): Generalize the code to merge the setting of a
16801 pseudo to a constant followed by a set of a subword of that
16802 register to a constant.
16804 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16806 * basic-block.h (control_flow_graph): Change the type of
16807 x_label_to_block_map to VEC(basic_block,gc) *.
16808 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16809 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16811 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16812 VEC(basic_block,heap) *.
16813 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16814 ssa_prop_fini): Adjust the uses of cfg_blocks.
16816 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16818 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16820 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16821 hashing trees instead of a pointer hash.
16822 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16823 compare for MEM_EXPR.
16825 PR rtl-optimization/25130
16826 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16827 when comparing MEMs for GCSE
16829 2006-01-03 Ben Elliston <bje@au.ibm.com>
16831 * targhooks.h (default_decimal_float_supported_p): Declare.
16832 * targhooks.c (default_decimal_float_supported_p): Define.
16833 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16834 `default_decimal_float_supported_p'.
16835 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16837 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16839 * combine.c (apply_distributive_law <SUBREG>): Check
16840 TRULY_NOOP_TRUNCATION.
16842 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16844 * dwarf2out.c (have_switched_text_section): Delete.
16845 (have_multiple_function_sections): New.
16846 (have_location_lists): Make 'bool'.
16847 (add_AT_loc_list): Use 'true' not '1'.
16848 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16849 (output_loc_list): Use have_multiple_function_sections.
16850 (output_ranges): Likewise.
16851 (dwarf2out_begin_function): Set have_multiple_function_sections if
16853 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16854 Check function_section rather than DECL_SECTION_NAME.
16855 (dwarf2out_finish): Use have_multiple_function_sections.
16856 Don't clear have_location_lists.
16858 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16859 Jan Hubicka <jh@suse.cz>
16861 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16862 case of conditional jump jumping to the next instruction.
16863 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16864 cases of conditional jump jumping to the next instruction.
16866 2006-01-02 Jan Hubicka <jh@suse.cz>
16868 * i386.c (*_cost): Add COSTS_N_INSNS.
16869 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16871 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16874 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16876 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16878 * config/arm/arm.c (all_fpus): Fix comment typo.
16879 * config/darwin.c: Likewise.
16880 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16881 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16882 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16884 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16886 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16887 (rs6000_split_compare_and_swapqhi): New.
16888 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16889 (sync_compare_and_swapqhi_internal): New.
16890 * config/rs6000/rs6000-protos.h: Declare.