1 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
4 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
5 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
7 Use an inclusive test for "mult" rather than "mul".
8 (rotr<mode>3): Depend on ISA_HAS_ROR.
9 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
11 (GENERATE_MULT3_DI): Delete.
12 (ISA_HAS_64BIT_REGS): Use consistent formatting.
13 (ISA_HAS_MUL3): New macro.
14 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
15 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
16 (ISA_HAS_CLZ_CLO): Likewise.
17 (ISA_HAS_DCLZ_DCLO): Delete.
18 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
19 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
20 the VR4120 and VR4130.
21 (ISA_HAS_MACCHI): Use consistent formatting.
22 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
23 (ISA_HAS_ROR): ...this new macro.
24 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
25 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
26 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
28 2006-10-29 Roger Sayle <roger@eyesopen.com>
30 PR tree-optimization/15458
31 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
34 2006-10-29 Richard Guenther <rguenther@suse.de>
36 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
37 (ix86_expand_truncdf_32): Likewise.
38 * config/i386/i386.c (ix86_expand_trunc): New function expanding
39 trunc inline for SSE math and -fno-trapping-math and if not
41 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
42 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
43 for expanding btrunc inline for SSE math.
45 2006-10-29 Joseph Myers <joseph@codesourcery.com>
47 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
48 Handle tuning for bi-arch i[34567]86-*-linux* like that for
49 i[34567]86-*-solaris2.1[0-9]*.
50 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
51 Define conditionally depending on TARGET_64BIT_DEFAULT.
52 (SPEC_32, SPEC_64): Define.
53 (LINK_SPEC): Use them.
54 * doc/install.texi (--enable-targets=all): Document for x86-linux.
56 2006-10-29 Richard Guenther <rguenther@suse.de>
58 * config/i386/i386-protos.h (ix86_expand_round): Declare.
59 (ix86_expand_rounddf_32): Likewise.
60 * config/i386/i386.c (ix86_expand_round): New function expanding
61 round inline for SSE math and -fno-trapping-math and if not
63 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
64 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
65 round via ix86_expand_round.
67 2006-10-29 Richard Guenther <rguenther@suse.de>
69 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
70 (ix86_expand_floorceildf_32): Likewise.
71 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
72 static helper function.
73 (ix86_expand_floorceil): Expander for floor and ceil to SSE
75 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
76 * config/i386/i386.md (floordf2): Adjust to enable floor
77 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
78 -fno-trapping-math is enabled and if not optimizing for size.
79 (floorsf2, ceildf2, ceilsf2): Likewise.
80 * config/i386/sse.md (sse_maskcmpsf3): New insn.
81 (sse2_maskcmpdf3): Likewise.
83 2006-10-29 Richard Guenther <rguenther@suse.de>
85 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
86 rint in case -fno-trapping-math is enabled.
87 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
88 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
89 (ix86_expand_sse_fabs): Likewise.
90 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
91 * config/i386/i386.md (rintdf2): Enable for SSE math if
92 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
95 2006-10-29 Richard Guenther <rguenther@suse.de>
97 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
99 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
101 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
102 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
103 (lfloor_optab, lceil_optab): Adjust defines.
104 * builtins.c (expand_builtin_int_roundingfn): Adjust for
105 lfloor and lceil optabs now being conversion optabs.
106 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
107 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
108 New static helper function.
109 (ix86_expand_lfloorceil): New function to expand lfloor and
111 * config/i386/i386.md (lfloor<mode>2): Split into ...
112 (lfloorxf<mode>2): ... x87 variant
113 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
114 using ix86_expand_lfloorceil.
115 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
117 * doc/md.texi (lfloorMN, lceilMN): Document.
119 2006-10-29 Richard Sandiford <richard@codesourcery.com>
121 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
122 -mno-shared assembler option on mips targets.
123 * configure, config.in: Regenerate.
124 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
125 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
126 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
128 2006-10-29 Richard Sandiford <richard@codesourcery.com>
130 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
131 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
133 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
135 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
136 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
139 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
142 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
143 (fold_builtin_pow): Evaluate constant arguments at compile-time
145 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
146 (do_mpfr_ckconv): New helper function.
147 (do_mpfr_arg1): Use do_mpfr_ckconv.
150 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
153 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
154 (-fdump-rtl-sched): Rename to ..
155 (-fdump-rtl-sched1): here. Also fix file extension number.
157 2006-10-28 Richard Guenther <rguenther@suse.de>
159 * fold-const.c (maybe_canonicalize_comparison): Fix code
162 2006-10-28 Uros Bizjak <uros@kss-loka.si>
164 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
165 (NON_QI_REG_P): Use IN_RANGE.
166 (REX_INT_REGNO_P): Use IN_RANGE.
167 (FP_REGNO_P): Use IN_RANGE.
168 (SSE_REGNO_P): Use IN_RANGE.
169 (REX_SSE_REGNO_P): Use IN_RANGE.
170 (MMX_REGNO_P): Use IN_RANGE.
171 (STACK_REGNO_P): New macro.
172 (STACK_REG_P): Use STACK_REGNO_P.
173 (NON_STACK_REG_P): Use STACK_REGNO_P.
174 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
175 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
176 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
177 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
178 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
180 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
182 * except.h (output_function_exception_table): Add 'const char*' param.
183 * except.c (switch_to_exception_section): Add 'const char*' param.
184 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
185 and flag_function_sections is set, use a function-specific section.
186 (output_function_exception_table): Add 'const char*' param.
187 Adjust call to switch_to_exception_section.
188 * final.c (rest_of_handle_final): Adjust calls to
189 output_function_exception_table.
190 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
191 * config.in: Regenerate.
192 * configure: Likewise.
194 2006-10-28 Richard Guenther <rguenther@suse.de>
197 * fold-const.c (maybe_canonicalize_comparison_1): Helper
198 for maybe_canonicalize_comparison.
199 (maybe_canonicalize_comparison): New function for canonicalizing
201 (fold_comparison): Call it to canonicalize comparisons with
204 2006-10-28 Richard Guenther <rguenther@suse.de>
207 * builtins.c (expand_builtin_int_roundingfn_2): Expand
208 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
209 (expand_builtin): Adjust likewise.
210 * genopinit.c (optabs[]): Add lround optab.
211 * optabs.c (init_optabs): Initialize lround_optab.
212 * optabs.h (enum convert_optab_index): Add COI_lround.
213 (lround_optab): Define.
214 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
215 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
217 (ix86_expand_lround): New function.
218 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
220 * doc/md.texi (lroundMN2): Document.
222 2006-10-28 Uros Bizjak <uros@kss-loka.si>
225 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
226 argument to HOST_WIDE_INT. Update function prototype.
227 (round_frame_size): Change return type to HOST_WIDE_INT. Change
228 "size" argument to HOST_WIDE_INT. Update function prototype.
230 2006-10-28 Uros Bizjak <uros@kss-loka.si>
232 * config/i386/i386.c (output_387_ffreep): Create output from a
233 template string for !HAVE_AS_IX86_FFREEP.
235 2006-10-27 Eric Christopher <echristo@apple.com>
237 * config/darwin.c: Fix formatting and grammar.
239 2006-10-27 Jan Hubicka <jh@suse.cz>
241 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
242 to be thrown away soon when IGNORE is set.
243 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
244 indicating when return value shall not be computed.
245 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
247 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
249 * config/i386/i386.h (TARGET_GEODE):
250 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
251 (TARGET_CPU_DEFAULT_geode): New macro.
252 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
253 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
254 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
255 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
256 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
258 (TARGET_CPU_DEFAULT_NAMES): Add geode.
259 (processor_type): Add PROCESSOR_GEODE.
261 * config/i386/i386.md: Include geode.md.
264 * config/i386/i386.c (geode_cost): New initialized global
266 (m_GEODE, m_K6_GEODE): New macros.
267 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
268 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
269 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
270 x86_schedule): Use m_K6_GEODE instead of m_K6.
271 (x86_movx, x86_cmove): Set up m_GEODE.
272 (x86_integer_DFmode_moves): Clear m_GEODE.
273 (processor_target_table): Add entry for geode.
274 (processor_alias_table): Ditto.
276 * config/i386/geode.md: New file.
278 * doc/invoke.texi: Add entry about geode processor.
280 2006-10-27 Mike Stump <mrs@apple.com>
282 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
283 __DYNAMIC__ from here back to ...
284 * config/darwin.h (CPP_SPEC): ... here.
286 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
287 Nathan Sidwell <nathan@codesourcery.com>
289 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
290 when choosing the minimum heapsize.
292 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
294 * gcc/unwind-dw2.h: Move cfa-related variables into
295 struct frame_state_reg_info to ensure that the CFA is properly
296 handled when executing DW_CFA_{remember,restore}_state.
297 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
298 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
299 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
300 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
301 gcc/config/rs6000/linux-unwind.h,
302 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
303 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
304 Modify to use new cfa_* fields.
306 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
308 * config/s390/s390.c (s390_init_frame_layout): Check positive
311 2006-10-26 Ben Elliston <bje@au.ibm.com>
313 * gimplify.c (get_name): Remove extraneous break.
314 (gimplify_omp_for): Initialise ret with GS_OK.
316 2006-10-25 Steve Ellcey <sje@cup.hp.com>
318 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
319 Add unix98.o to link line.
321 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
324 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
325 Calculate compile-time constants using MPFR.
326 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
327 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
329 2006-10-25 Bob Wilson <bob.wilson@acm.org>
331 * config/xtensa/lib2funcs.S: Use C-style comments.
333 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
335 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
336 (file_table_relative_p): Likewise.
337 (dwarf2out_finish): Likewise.
338 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
340 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
342 * tree-ssa-structalias.c (intra_create_variable_infos):
343 Don't recreate nonlocal_all if it already exists.
345 2006-10-25 Richard Guenther <rguenther@suse.de>
348 * optabs.h (enum optab_index): Remove OTI_lrint.
349 (enum convert_optab_index): Add COI_lrint.
350 (lrint_optab): Adjust.
351 (expand_sfix_optab): Declare.
352 * optabs.c (expand_sfix_optab): New function.
353 (init_optabs): Init lrint_optab as conversion optab.
354 * genopinit.c (lrint_optab): Change to a conversion optab.
355 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
356 expansion via conversion optab.
357 * config/i386/i386.md (*fistdi2_1): Remove
358 flag_unsafe_math_optimizations guard.
359 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
360 fist<mode>2_with_temp): Likewise.
361 (lrint<mode>2): Split into...
362 (lrintxf<mode>2): ... x87 part
363 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
364 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
365 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
366 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
367 * doc/md.texi (lrintMN2): Document.
369 2006-10-25 Uros Bizjak <uros@kss-loka.si>
372 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
373 Use inc and dec instructions for TARGET_USE_INCDEC.
374 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
375 ("sync_double_compare_and_swap<mode>"): Likewise.
376 ("*sync_double_compare_and_swapdi_pic"): Likewise.
377 ("*sync_compare_and_swap_cc<mode>"): Likewise.
378 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
379 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
380 ("sync_old_add<mode>"): Likewise.
381 ("sync_lock_test_and_set<mode>"): Likewise.
382 ("sync_lock_test_and_set<mode>"): Likewise.
383 ("sync_add<mode>"): Likewise.
384 ("sync_sub<mode>"): Likewise.
385 ("sync_ior<mode>"): Likewise.
386 ("sync_and<mode>"): Likewise.
387 ("sync_xor<mode>"): Likewise.
389 2006-10-25 Uros Bizjak <uros@kss-loka.si>
391 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
392 (remainder_optab): Define corresponding macro.
393 (drem_optab): Remove.
394 * optabs.c (init_optabs): Initialize remainder_optab. Remove
395 drem_optab initialization.
396 * genopinit.c (optabs): Implement remainder_optab using
397 remainder?f3 patterns. Remove drem_optab.
398 * builtins.c (expand_builtin_mathfn_2): Handle
399 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
400 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
401 expand_builtin_mathfn_2.
403 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
404 depend on flag_unsafe_math_optimizations.
406 * config/i386/i386.md ("remaindersf3", "remainderdf3")
407 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
408 Do not depend on flag_unsafe_math_optimizations. Use
409 truncxf?f expander instead of truncxf?f_i387_noop.
411 ("fpremxf4", "fprem1xf4"): Do not depend on
412 flag_unsafe_math_optimizations.
413 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
414 flag_unsafe_math_optimizations. Use truncxf?f expander
415 instead of truncxf?f_i387_noop.
417 * doc/md.texi (fmod, remainder): Document standard named pattern.
419 2006-10-24 Richard Sandiford <richard@codesourcery.com>
420 David Daney <ddaney@avtrex.com>
423 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
425 2006-10-25 Ben Elliston <bje@au.ibm.com>
427 * doc/extend.texi (Variable Attributes): Typo fix.
429 2006-10-24 Uros Bizjak <uros@kss-loka.si>
431 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
432 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
433 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
434 (FRAME_POINTER_REGNUM): Update register number to 21.
435 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
436 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
438 * config/i386/i386.c (regclass_map): Add fpcr entry.
439 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
441 (print_reg): Assert REGNO (x) != FPCR_REG.
443 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
444 (DIRFLAG_REG): Renumber.
445 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
446 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
447 (sse_prologue_save, *sse_prologue_save_insn): Renumber
448 hardcoded SSE register numbers.
450 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
451 hardcoded MMX register numbers.
453 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
456 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
457 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
459 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
460 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
461 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
462 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
464 2006-10-24 Richard Guenther <rguenther@suse.de>
467 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
468 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
469 for deciding optimizations in consistency with fold-const.c
470 (fold_builtin_unordered_cmp): Likewise.
472 2006-10-24 Richard Guenther <rguenther@suse.de>
474 * builtins.c (fold_builtin_floor): Fold floor (x) where
475 x is nonnegative to trunc (x).
476 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
477 nonnegative to FIX_TRUNC_EXPR.
479 2006-10-24 Richard Guenther <rguenther@suse.de>
481 PR tree-optimization/29567
482 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
483 for TRUTH_NOT_EXPR. Clarify comments.
485 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
488 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
489 at compile-time using MPFR. Change parameter VALUE to FUNC,
491 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
492 for overflow and underflow at all times and avoid folding in
495 2006-10-24 Ben Elliston <bje@au.ibm.com>
497 * reload1.c: Formatting fixes.
499 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
501 PR tree-optimization/14784
502 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
503 * tree-ssa-structalias.c (get_constraint_for,
504 intra_create_variable_infos): Set is_heapvar.
505 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
506 non-heapvar pointer variables specially.
508 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
511 * builtins.c (fold_builtin_sin, fold_builtin_cos,
512 fold_builtin_tan): Fold all constant arguments. Take a "type"
513 argument as necessary.
515 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
517 2006-10-23 Bob Wilson <bob.wilson@acm.org>
519 * config/xtensa/lib1funcs.asm: Use C-style comments.
521 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
523 * tree.c (local_define_builtin): Replace calls to
524 lang_hooks.builtin_function with add_builtin_function.
525 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
527 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
529 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
530 common code to add_builtin_function.
531 * langhooks.c (add_builtin_function): New function.
532 (lhd_builtin_function): New function.
533 * langhooks.h (struct lang_hooks): Change the signature of
535 (add_builtin_function): New function.
536 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
537 calls to lang_hooks.builtin_function with add_builtin_function.
538 * c-common.c (decl_builtin_1): Replace calls to
539 lang_hooks.builtin_function with add_builtin_function.
540 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
541 lang_hooks.builtin_function with add_builtin_function.
542 * config/frv/frv.c (def_builtin): Replace calls to
543 lang_hooks.builtin_function with add_builtin_function.
544 * config/s390/s390.c (s390_init_builtins): Replace calls to
545 lang_hooks.builtin_function with add_builtin_function.
546 * config/sparc/sparc.c (def_builtin): Replace calls to
547 lang_hooks.builtin_function with add_builtin_function.
548 * config/i386/i386.c (def_builtin): Replace calls to
549 lang_hooks.builtin_function with add_builtin_function.
550 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
551 lang_hooks.builtin_function with add_builtin_function.
552 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
553 lang_hooks.builtin_function with add_builtin_function.
554 * config/stormy16/stormy16.c (xstormy16_init_builtins):
555 Replace calls to lang_hooks.builtin_function with
556 add_builtin_function.
557 * config/iq2000/iq2000.c (def_builtin):
558 Replace calls to lang_hooks.builtin_function with
559 add_builtin_function.
560 * config/ia64/ia64.c (def_builtin): Replace calls to
561 lang_hooks.builtin_function with add_builtin_function.
562 * config/rs6000/rs6000.c (def_builtin): Replace calls to
563 lang_hooks.builtin_function with add_builtin_function.
564 (altivec_init_builtins): Replace calls to
565 lang_hooks.builtin_function with add_builtin_function.
566 * config/arm/arm.c (def_mbuiltin): Replace calls to
567 lang_hooks.builtin_function with add_builtin_function.
568 (arm_init_tls_builtins): Replace calls to
569 lang_hooks.builtin_function with add_builtin_function.
570 * config/mips/mips.c (mips_init_builtins): Replace calls to
571 lang_hooks.builtin_function with add_builtin_function.
572 * config/bfin/bfin.c (def_builtin): Replace calls to
573 lang_hooks.builtin_function with add_builtin_function.
574 * langhooks-def.h (lhd_builtin_function): New function.
575 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
577 2006-10-23 Jakub Jelinek <jakub@redhat.com>
579 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
580 BUILT_IN_STRNCAT_CHK.
582 2006-10-23 Jan Hubicka <jh@suse.cz>
584 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
585 don't do conversion from memmove to memcpy here.
586 (expand_builtin_bcopy, expand_builtin): Update call of
587 expand_builtin_memmove.
588 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
590 2006-10-23 Paul Brook <paul@codesourcery.com>
592 * stor-layout.c (start_record_layout): maximum_field_alignment
593 overrides STRUCTURE_SIZE_BOUNDARY.
595 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
597 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
598 nonlocal function symbols if flag_pic.
600 2006-10-23 Richard Guenther <rguenther@suse.de>
604 * builtins.c (fold_binary): Remove checks for flag_wrapv
605 and flag_trapv where negate_expr_p covers these cases.
607 2006-10-23 Richard Guenther <rguenther@suse.de>
610 * fold-const.c (fold_plusminus_mult_expr): Check exact power
611 of two on the absolute value.
612 (fold_binary): Fold x * -C to -x * C if x is easily negatable
613 and negating -C does not overflow.
615 2006-10-23 Richard Guenther <rguenther@suse.de>
618 * convert.c (convert_to_real): Fold (float)-x to -(float)x
619 only if not flag_rounding_math.
621 2006-10-22 Richard Sandiford <richard@codesourcery.com>
622 Kaz Kojima <kkojima@gcc.gnu.org>
625 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
626 SImode memory reference for the source of a movua.
627 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
628 (movua): Use an unspec instead of sign_extract. Expect the source
629 to have mode BLKmode.
630 (extv, insv): Use a BLKmode rather than SImode memory reference
631 for the source of a movua.
633 2006-10-22 Jeff Law <law@redhat.com>
634 Richard Guenther <rguenther@suse.de>
636 PR tree-optimization/15911
637 * tree-vrp.c (extract_code_and_val_from_cond): New function.
638 (register_edge_assert_for_1): Likewise.
639 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
640 (find_conditional_asserts): Adjust for new function signature.
641 (find_assert_locations): Likewise.
643 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
645 * config/i386/tmmintrin.h: Remove the duplicated content.
647 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
649 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
650 (x86_64-*-*): Likewise.
652 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
653 (override_options): Check SSSE3.
654 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
655 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
656 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
657 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
658 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
659 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
660 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
661 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
662 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
663 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
664 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
665 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
666 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
667 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
668 IX86_BUILTIN_PABSD128.
669 (bdesc_2arg): Add SSSE3.
670 (bdesc_1arg): Likewise.
671 (ix86_init_mmx_sse_builtins): Support SSSE3.
672 (ix86_expand_builtin): Likewise.
673 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
675 * config/i386/i386.md (UNSPEC_PSHUFB): New.
676 (UNSPEC_PSIGN): Likewise.
677 (UNSPEC_PALIGNR): Likewise.
678 Include mmx.md before sse.md.
680 * config/i386/i386.opt: Add -mssse3.
682 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
683 (ssse3_phaddwv4hi3): Likewise.
684 (ssse3_phadddv4si3): Likewise.
685 (ssse3_phadddv2si3): Likewise.
686 (ssse3_phaddswv8hi3): Likewise.
687 (ssse3_phaddswv4hi3): Likewise.
688 (ssse3_phsubwv8hi3): Likewise.
689 (ssse3_phsubwv4hi3): Likewise.
690 (ssse3_phsubdv4si3): Likewise.
691 (ssse3_phsubdv2si3): Likewise.
692 (ssse3_phsubswv8hi3): Likewise.
693 (ssse3_phsubswv4hi3): Likewise.
694 (ssse3_pmaddubswv8hi3): Likewise.
695 (ssse3_pmaddubswv4hi3): Likewise.
696 (ssse3_pmulhrswv8hi3): Likewise.
697 (ssse3_pmulhrswv4hi3): Likewise.
698 (ssse3_pshufbv16qi3): Likewise.
699 (ssse3_pshufbv8qi3): Likewise.
700 (ssse3_psign<mode>3): Likewise.
701 (ssse3_psign<mode>3): Likewise.
702 (ssse3_palignrti): Likewise.
703 (ssse3_palignrdi): Likewise.
704 (abs<mode>2): Likewise.
705 (abs<mode>2): Likewise.
707 * config/i386/tmmintrin.h: New file.
709 * doc/extend.texi: Document SSSE3 built-in functions.
711 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
713 2006-10-22 Ira Rosen <irar@il.ibm.com>
715 * tree-vect-transform.c (vectorizable_load): Use the type of the
716 return value of the mask_for_load builtin to create realign_load
719 2006-10-22 Richard Sandiford <richard@codesourcery.com>
721 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
724 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
726 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
727 (UNSPEC_LDDQU): This.
728 * config/i386/sse.md (sse3_lddqu): Updated.
730 2006-10-21 Richard Guenther <rguenther@suse.de>
732 * builtins.c (expand_builtin_int_roundingfn_2): New function.
733 (expand_builtin): Use it to expand lrint instead of
734 expand_builtin_mathfn.
736 2006-10-21 Uros Bizjak <uros@kss-loka.si>
739 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
740 flag_unsafe_math_optimizations is set.
742 2006-10-21 Uros Bizjak <uros@kss-loka.si>
745 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
746 patterns to use memory input operand in x87->mem->XMM
747 reload sequences. Skip transformation for TARGET_K8.
749 2006-10-21 Uros Bizjak <uros@kss-loka.si>
751 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
752 force operand1 to register if both operands are memory operands.
753 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
754 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
755 if both operands are memory operands.
756 (truncdfsf2): Do not force operand1 to register if both operands
759 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
761 * Makefile.in (LIBS): Add $(GMPLIBS).
762 * doc/install.texi: Update GMP and MPFR requirements.
763 * doc/sourcebuild.texi (need_gmp): Delete.
765 2006-10-21 Richard Guenther <rguenther@suse.de>
767 PR tree-optimization/3511
768 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
769 got new invariant arguments during PHI translation.
771 2006-10-21 Richard Guenther <rguenther@suse.de>
774 * fold-const.c (fold_comparison): Fold signed comparisons
775 of the form X +- C1 CMP Y +- C2.
777 2006-10-21 Richard Guenther <rguenther@suse.de>
780 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
781 if flag_unsafe_math_optimizations is specified. We have
782 flag_finite_math_only for that.
783 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
784 or flag_unsafe_math_optimizations.
786 2006-10-21 Richard Guenther <rguenther@suse.de>
788 * builtins.c (fold_builtin_classify): Fix typo.
790 2006-10-21 Richard Guenther <rguenther@suse.de>
793 * simplify-rtx.c (simplify_const_relational_operation):
794 Do not constant-fold ORDERED and UNORDERED for
795 flag_unsafe_math_optimizations but only we do not need to
796 honor NaNs for the given mode.
798 2006-10-21 Richard Guenther <rguenther@suse.de>
801 * config/i386/i386.c (classify_argument): Remove redundant
802 walking of the BINFOs.
803 (contains_128bit_aligned_vector_p): Likewise.
805 2006-10-20 Mark Mitchell <mark@codesourcery.com>
807 * BASE-VER: Set to 4.3.0.
809 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
811 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
812 (tree_decl_with_vis): Remove artificial_pta_var flag.
813 * tree-flow.h (referenced_var_check_and_insert): Expose.
814 (nonlocal_all): New prototype.
815 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
816 (nonlocal_all): Make global.
817 (nonlocal_lookup): Remove.
818 (nonlocal_insert): Ditto.
819 (create_nonlocal_var): Do not call nonlocal_insert.
820 (get_nonlocal_id_for_type): Remove.
821 (find_global_initializers): Mark new vars we find for renaming.
822 (intra_create_variable_infos): Only create one nonlocal.
823 (expand_nonlocal_solutions): Remove.
824 (compute_points_to_sets): Don't call it.
825 (ipa_pta_execute): Ditto.
826 (init_alias_heapvars): Don't create nonlocal_for_type.
827 (delete_alias_heapvars): Don't remove it.
828 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
831 2006-10-19 Brooks Moses <bmoses@stanford.edu>
833 * doc/install.texi (Downloading GCC): Clarify mention of
834 Fortran in the "full distribution" description.
836 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
838 Fix PR tree-optimization/28778
839 Fix PR tree-optimization/29156
840 Fix PR tree-optimization/29415
841 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
842 (tree_decl_with_vis): Add artificial_pta_var flag.
843 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
845 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
846 (nonlocal_all): Ditto.
847 (struct variable_info): Add directly_dereferenced member.
848 (var_escaped_vars): New variable.
849 (escaped_vars_tree): Ditto.
850 (escaped_vars_id): Ditto.
851 (nonlocal_vars_id): Ditto.
852 (new_var_info): Set directly_dereferenced.
853 (graph_size): New variable
854 (build_constraint_graph): Use graph_size.
855 (solve_graph): Don't process constraints that cannot change the
856 solution, don't try to propagate an empty solution to our
858 (process_constraint): Set directly_dereferenced.
859 (could_have_pointers): New function.
860 (get_constraint_for_component_ref): Don't process STRING_CST.
861 (nonlocal_lookup): New function.
862 (nonlocal_insert): Ditto.
863 (create_nonlocal_var): Ditto.
864 (get_nonlocal_id_for_type): Ditto.
865 (get_constraint_for): Allow results vector to be empty in the case
867 Handle results of calls properly.
868 (update_alias_info): Update alias info stats on number and type of
870 (find_func_aliases): Use could_have_pointers.
871 (make_constraint_from_escaped): Renamed from
872 make_constraint_to_anything, and changed to make constraints from
874 (make_constraint_to_escaped): New function.
875 (find_global_initializers): Ditto.
876 (create_variable_info_for): Make constraint from escaped to any
877 global variable, and from any global variable to the set of
879 (intra_create_variable_infos): Deal with escaped instead of
880 pointing to anything.
881 (set_uids_in_ptset): Do type pruning on directly dereferenced
883 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
884 (init_base_vars): Fix comment, and initialize escaped_vars.
885 (need_to_solve): Removed.
886 (find_escape_constraints): New function.
887 (expand_nonlocal_solutions): Ditto.
888 (compute_points_to_sets): Call find_escape_constraints and
889 expand_nonlocal_solutions.
890 (delete_points_to_sets): Don't fall off the end of the graph.
891 (init_alias_heapvars): Initialize nonlocal_for_type and
893 (delete_alias_heapvars): Free nonlocal_for_type and null out
896 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
898 * fold-const.c (add_double): Rename to add_double_with_sign.
899 Add 'unsigned_p' parameter and take it into account for the overflow.
900 (mul_double): Rename to mul_double_with_sign.
901 Add 'unsigned_p' parameter and take it into account for the overflow.
902 (fold_div_compare): Call add_double_with_sign instead of add_double
903 and mul_double_with_sign instead of mul_double, passing them the
904 unsignedness of the type.
905 * tree.h (add_double): Macroize.
906 (add_double_with_sign): New prototype.
907 (mul_double): Macroize.
908 (mul_double_with_sign): New prototype.
910 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
912 * config/score/crti.asm: New file.
913 * config/score/crtn.asm: New file.
914 * config/score/elf.h: New file.
915 * config/score/mac.md: New file.
916 * config/score/misc.md: New file.
917 * config/score/mul-div.S: New file.
918 * config/score/predicates.md: New file.
919 * config/score/score7.md: New file.
920 * config/score/score.c: New file.
921 * config/score/score-conv.h: New file.
922 * config/score/score.h: New file.
923 * config/score/score.md: New file.
924 * config/score/score-mdaux.c: New file.
925 * config/score/score-mdaux.h: New file.
926 * config/score/score-modes.def: New file.
927 * config/score/score.opt: New file.
928 * config/score/score-protos.h: New file.
929 * config/score/score-version.h: New file.
930 * config/score/t-score-elf: New file.
931 * config.gcc: Add score*-*-* configurations(Update before).
932 * doc/invoke.texi (Score Options): New section.
933 * doc/md.texi (Score family): New section to document constraints.
935 2006-10-19 Nick Clifton <nickc@redhat.com>
937 * config/arm/arm.c: Fix spelling typo.
939 2006-10-18 Tom Tromey <tromey@redhat.com>
941 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
943 2006-10-18 Jan Hubicka <jh@suse.cz>
946 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
949 2006-10-18 Marcin Dalecki <martin@dalecki.de>
951 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
952 TSI_SAME_STMT, since that's the desired entity.
954 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
956 * config/s390/contraints.md: New file.
957 * config/s390/s390-protos.h (s390_mem_constraint,
958 s390_O_constraint_str, s390_N_constraint_str,
959 s390_float_const_zero_p): Function prototypes added.
960 * config/s390/s390.c (s390_extra_constraint_str,
961 s390_const_double_ok_for_constraint_p,
962 s390_const_ok_for_constraint_p): Functions removed.
963 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
964 s390_float_const_zero_p): New functions.
965 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
966 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
967 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
968 Macro definitions removed.
969 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
970 s390_extra_constraint_str): Functions removed.
972 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
973 Richard Sandiford <richard@codesourcery.com>
976 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
977 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
979 2006-10-16 Geoffrey Keating <geoffk@apple.com>
981 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
982 (DWARF2_FRAME_REG_OUT): Likewise.
983 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
984 (DWARF2_FRAME_REG_OUT): Likewise.
986 2006-10-17 Paul Brook <paul@codesourcery.com>
988 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
990 2006-10-16 Brooks Moses <bmoses@stanford.edu>
992 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
993 Standardize on "GNU Fortran" as the official name of the Fortran
996 2006-10-16 Mike Stump <mrs@apple.com>
998 * doc/invoke.texi (Darwin Options): Document -mkernel.
999 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1001 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1002 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1003 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1004 (OS_MISSING_ALTIVEC): Add.
1005 * config/i386/i386.c (override_options): Add
1006 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1007 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1008 -mkernel, -static or -mdynamic-no-pic is given.
1009 (C_COMMON_OVERRIDE_OPTIONS): Add.
1010 * config/darwin.opt (fapple-kext): Add.
1012 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1013 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1015 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1016 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1017 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1018 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1019 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1020 (flag_mkernel): Add.
1021 (flag_apple_kext): Add.
1022 (TARGET_KEXTABI): Add.
1023 * config/darwin.c (darwin_handle_kext_attribute): Add.
1024 (DARWIN_VTABLE_P): Add.
1025 (darwin_binds_local_p): Add partial support for rebinding vtables
1027 (darwin_kextabi_p): Add.
1028 (darwin_override_options): Add.
1029 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1030 (darwin_kextabi_p): Add.
1031 (darwin_override_options): Add.
1032 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1033 __DYNAMIC__ and __STATIC__ here.
1035 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1037 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1038 Added mention of "make pdf" target, and Texinfo requirements for
1041 2006-10-16 DJ Delorie <dj@redhat.com>
1043 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1044 into the GOT in case we need a subreg of the address.
1046 2006-10-16 Richard Guenther <rguenther@suse.de>
1049 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1050 SSE builtin documentation. Document SSE2 builtins.
1052 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1054 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1055 symbol in the output file for non-shared links when -nostdlib or
1056 -nodefaultlibs isn't specified.
1058 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1059 posix thread support.
1061 2006-10-15 Jan Hubicka <jh@suse.cz>
1064 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1065 declared always_inline even when not inlining.
1067 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1068 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1069 Andrew Pinski <pinskia@gmail.com>
1072 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1074 2006-10-15 Jan Hubicka <jh@suse.cz>
1075 Richard Guenther <rguenther@suse.de>
1078 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1079 process_function_and_variable_attributes on all variables, including
1080 those discovered during cgraph construction phase.
1082 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1084 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1086 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1088 * config/i386/athlon.md (athlon_fist): Add fisttp.
1090 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1091 Ian Lance Taylor <ian@airs.com>
1094 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1095 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1098 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1100 * config/score/score.c, config/score/score.h: Fix comment
1103 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1106 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1109 2006-10-13 Eric Christopher <echristo@apple.com>
1111 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1113 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1116 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1117 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1118 alignment supported by 32-bit ELF.
1120 2006-10-13 Eric Christopher <echristo@apple.com>
1122 * config/darwin.c (darwin_emit_unwind_label): Strip
1123 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1125 2006-10-13 Richard Guenther <rguenther@suse.de>
1127 PR tree-optimization/29446
1128 * tree-vrp.c (fix_equivalence_set): Remove.
1129 (extract_range_from_assert): Do not call fix_equivalence_set.
1130 (debug_value_range): Print a newline.
1131 (compare_name_with_value): For equivalence sets with
1132 inconsistent value ranges conservatively bail out.
1133 (compare_names): Likewise.
1135 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1137 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1138 and MPFR for gfortran.
1140 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1142 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1143 alignment supported by 32-bit ELF.
1145 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1149 * c-typeck.c (digest_init): Always allow initializing vectors
1150 that have static storage duration with compound literals.
1151 * tree.c (build_type_attribute_qual_variant): New, based on
1152 build_type_attribute_variant.
1153 (build_type_attribute_variant): Rewrite using the former.
1154 (make_vector_type): Use build_type_attribute_qual_variant to build
1155 type variants. Use type_hash_canon on the others.
1157 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1158 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1160 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1162 2006-10-12 Jan Hubicka <jh@suse.cz>
1165 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1166 current_function_decl is set but current_function_scope is not.
1168 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1170 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1171 emit_insn to emit eh_return_internal instruction.
1172 (eh_return_internal): Explicitly set pc.
1174 2006-10-11 Richard Guenther <rguenther@suse.de>
1176 PR tree-optimization/28230
1177 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1178 to the correct place.
1180 2006-10-11 Richard Guenther <rguenther@suse.de>
1183 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1186 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1188 * configure.ac: Added pdf to "Make-hooks"
1189 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1190 targets and *.pdf file patterns in cleanup targets.
1191 * configure: Regenerated.
1193 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1195 * config/avr/predicates.md: New file.
1196 * config/avr/avr.md: Include it.
1197 (REG_SP): New constant.
1198 (peepholes): Use predicates.
1199 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1200 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1201 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1203 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1205 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1208 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1211 * builtins.c (var_decl_component_p): New function.
1212 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1213 single entry optimization to variables and components thereof.
1215 2006-10-10 Richard Guenther <rguenther@suse.de>
1217 PR rtl-optimization/29323
1218 * except.c (set_nothrow_function_flags): For functions
1219 that do not bind local bail out early.
1221 2006-10-10 Ben Elliston <bje@au.ibm.com>
1223 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1226 2006-10-09 Richard Henderson <rth@redhat.com>
1228 Revert emutls patch.
1230 2006-10-09 Richard Guenther <rguenther@suse.de>
1233 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1236 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1239 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1240 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1241 * configure: Regenerate.
1242 * config.in: Regenerate.
1244 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1246 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1248 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1250 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1251 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1252 Remove stray newline.
1254 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1256 * config/mips/mips.c (mips_classify_symbol): Do not return
1257 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1258 (mips_in_small_data_p): Tweak comments.
1260 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1262 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1264 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1266 * gimplify.c, sched-int.h: Fix comment typos.
1268 * sched-int.h: Fix comment typos.
1270 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1272 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1274 * sched-ebb.c (begin_schedule_ready): Use them.
1275 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1276 add_to_speculative_block, create_check_block_twin, speculate_insn,
1277 fix_jump_move, move_block_after_check): Ditto.
1278 * sched-rgn.c (new_ready): Ditto.
1280 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1282 PR rtl-optimization/29128
1283 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1284 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1285 allow interblock movement of speculation checks.
1287 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1290 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1291 casted to integer type.
1292 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1293 if they are significantly more expensive than [reg + index] ones.
1295 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1297 PR tree-optimization/29330
1298 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1299 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1300 on newly allocated ddrs.
1301 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1302 to VEC (loop_p, heap) pointer.
1303 (compute_data_dependences_for_loop): Adjust caller.
1304 (free_dependence_relations): Free DDR_LOOP_NEST.
1306 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1307 free DEPENDENCE_RELATIONS and DATAREFS.
1310 * builtins.c (expand_builtin_sync_operation,
1311 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1312 Use convert_to_mode to handle promoted arguments.
1314 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1316 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1318 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1320 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1322 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1324 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1325 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1326 Use <modeconstraint> instead of "r" as operand 1 constraint.
1328 2006-10-06 Olivier Hainque <hainque@adacore.com>
1330 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1331 Don't recurse on the pointed-to type.
1332 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1333 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1334 types with components of variable size.
1336 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1338 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1340 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1342 PR tree-optimization/29290
1343 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1347 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1348 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1351 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1352 the number of vector elements fill the rest with zeros.
1354 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1356 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1357 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1360 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1362 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1363 unnamed pattern into subsi3. Use correct constraints/predicates.
1364 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1365 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1367 2006-10-05 Ira Rosen <irar@il.ibm.com>
1369 * doc/loop.texi: Add data references analysis description.
1371 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1373 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1375 2006-10-04 Richard Henderson <rth@redhat.com>
1376 Jakub Jelinek <jakub@redhat.com>
1378 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1379 * builtin-types.def (BT_WORD): Make unsigned.
1380 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1381 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1382 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1383 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1384 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1385 * cgraph.c (decide_is_variable_needed): Look at force_output.
1386 Recurse for emulated tls.
1387 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1388 checks redundant with decide_is_variable_needed.
1389 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1390 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1392 * expr.c (emutls_var_address): New.
1393 (expand_expr_real_1): Expand emulated tls.
1394 (expand_expr_addr_expr_1): Likewise.
1395 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1396 * output.h (emutls_finish): Declare.
1397 * toplev.c (compile_file): Call it.
1398 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1399 address before wrapping in CONST.
1400 * varasm.c (emutls_htab, emutls_object_type): New.
1401 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1402 (get_emutls_object_name, get_emutls_object_type): New.
1403 (get_emutls_init_templ_addr, emutls_decl): New.
1404 (emutls_common_1, emutls_finish): New.
1405 (assemble_variable): When emulating tls, swap decls; generate
1406 constructor for the emutls objects.
1407 (do_assemble_alias): When emulating tls, swap decl and target name.
1408 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1410 * emutls.c: New file.
1411 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1412 tls_object for real tls.
1414 2006-10-04 Zack Weinberg <zackw@panix.com>
1416 Fix bug in constraint-check generator, reported by Rask Ingemann
1418 * genpreds.c (add_constraint): Don't remove anything from the
1420 (write_tm_constrs_h): Detect whether "op" argument is used, and
1421 mark it ARG_UNUSED if it isn't.
1422 (write_insn_const_int_ok_for_constraint): Skip the part of the
1423 expression that would test whether "op" (which is not available
1424 here) is a CONST_INT.
1426 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1429 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1431 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1433 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1434 current Leopard versions.
1435 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1437 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1439 * doc/install.texi: Fix typos.
1441 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1443 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1444 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1445 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1447 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1449 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1450 arg to be struct mach_header_64* instead.
1452 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1455 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1456 side effects after the outer expression's post side effects.
1458 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1460 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1461 comments to reflect actual behavior and relationship between
1462 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1464 * doc/c-tree.texi (Working with declarations): Fix documentation
1465 of FIELD_DECL likewise.
1467 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1470 * doc/extend.texi: Add used variable attribute description.
1472 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1475 * c.opt (Woverride-init): New.
1476 * c-opts.c (c_common_post_options): Default warn_override_init to
1478 * c-typeck.c (add_pending_init, output_init_element): Warn for
1479 overriding initializers without side effects.
1480 * doc/invoke.texi (-Woverride-init): Document.
1483 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1485 PR rtl-optimization/28096
1486 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1487 assignment has already been used as a destination earlier in the block.
1489 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1491 * builtins.c (expand_builtin_setjmp): Delete.
1492 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1493 <BUILT_IN_SETJMP_SETUP>: New case.
1494 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1495 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1496 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1497 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1498 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1499 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1500 (lower_function_body): Initialize it to false. If it is set to true
1501 at the end of the processing, emit the setjmp dispatcher.
1502 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1503 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1504 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1505 on the rhs of the assignment.
1506 (lower_builtin_setjmp): New function.
1507 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1508 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1509 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1510 to detect calls that can go to non-local labels. Use specific
1511 helper to create the abnormal edges associated with them.
1512 <MODIFY_EXPR>: Likewise.
1513 (make_abnormal_goto_edges): New function extracted from...
1514 (make_goto_expr_edges): ...here. Call it for computed gotos.
1515 (simple_goto_p): Minor tweak.
1516 (tree_can_make_abnormal_goto): New predicate.
1517 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1518 (tree_purge_dead_abnormal_call_edges): New function.
1519 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1520 (tree_purge_dead_abnormal_call_edges): Likewise.
1521 (make_abnormal_goto_edges): Likewise.
1522 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1523 Purge all dead abnormal edges if the call was in the last statement.
1524 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1525 (execute_fixup_cfg): If there are non-local labels in the function,
1526 scan the basic blocks and split them at calls that can go to non-local
1527 labels or add missing abnormal call edges. Write down the CFG in the
1529 (pass_fixup_cfg): Remove TODO_dump_func flag.
1530 * unwind-sjlj.c: Poison setjmp.
1531 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1532 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1533 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1534 (DONT_USE_BUILTIN_SETJMP): Document it.
1536 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1539 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1540 to 1 when __ppc64__ is defined.
1541 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1543 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1545 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1547 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1548 * config/ia64/unwind-hpux.c: Delete.
1550 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1552 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1553 on the element before gimplifying it, instead of punting if it is of
1556 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1558 * doc/loop.texi: New file.
1559 * doc/gccint.texi: Reference loop.texi.
1560 * Makefile.in (loop.texi): Add.
1562 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1564 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1566 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1567 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1569 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1571 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1573 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1575 * doc/install.texi: Document required versions of GMP and MPFR.
1577 2006-09-27 Paul Brook <paul@codesourcery.com>
1580 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1582 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1584 * reload1.c (alter_reg): Require the alignment of the stack slot to
1585 be at least reg_max_ref_width bytes.
1586 (scan_paradoxical_subregs): Record the largest width in
1589 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1593 * tree-nested.c (struct nesting_info): Added static_chain_added.
1594 (convert_call_expr): Set static_chain_added when adding static
1595 chain. Handle OMP_PARALLEL and OMP_SECTION.
1597 2006-09-25 Matthias Klose <doko@debian.org>
1599 * doc/invoke.texi: Add missing full stop.
1601 2006-09-25 Richard Henderson <rth@redhat.com>
1603 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1604 before cgraph_function_flags_ready.
1606 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1607 Adam Nemet <anemet@caviumnetworks.com>
1609 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1610 determine_common_wider_type): New functions.
1611 (get_computation_aff): Use them to simplify arithmetic between
1612 UBASE and CBASE if they are shortened from the same type.
1614 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1617 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1618 -2147483647 - 1 instead of 0x80000000.
1620 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1622 * flags.h (HONOR_NANS): Fix typo in comment.
1624 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1626 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1628 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1632 * tree.c (merge_attributes, attribute_list_contained): If both
1633 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1635 * c-typeck.c (comptypes_internal): Don't consider aggregates
1636 in different TUs as compatible if there one set of attributes is
1637 not a subset of the other type's attributes.
1638 (composite_type): Try harder not to create a new aggregate type.
1640 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1642 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1643 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1644 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1645 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1646 than replicating condition above.
1647 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1649 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1650 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1651 the linker by default.
1653 2006-09-22 Mike Stump <mrs@apple.com>
1655 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1658 2006-09-22 Richard Guenther <rguenther@suse.de>
1661 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1662 sort of stack variables stable.
1664 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1667 * explow.c (force_reg): Set REG_POINTER flag according to
1670 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1672 PR tree-optimization/28888
1673 * tree-if-conv.c (combine_blocks): Rewritten.
1674 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1675 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1677 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1679 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1682 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1684 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1686 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1688 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1690 2006-09-21 Roger Sayle <roger@eyesopen.com>
1693 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1694 dw_fde_current_label, to be the start of the function, i.e. the same
1695 value as dw_fde_begin.
1697 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1699 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1700 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1701 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1702 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1703 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1704 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1705 (abs<mode>2, neg<mode>2): Likewise.
1706 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1707 (*mips_abs_ps): New define_insn.
1709 2006-09-20 Josh Conner <jconner@apple.com>
1712 * calls.c (expand_call): Allow reuse of structure return stack
1715 2006-09-20 Paul Brook <paul@codesourcery.com>
1717 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1720 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1722 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1723 clean up terminology.
1725 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1728 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1729 with tablejumps in them.
1731 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1734 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1735 wrap it into TARGET_EXPR.
1737 2006-09-20 Eric Christopher <echristo@apple.com>
1739 * config/i386/i386.c (x86_fisttp): Remove.
1740 * config/i386/i386.h (x86_fisttp): Ditto.
1741 (TARGET_FISTTP): Ditto.
1743 2006-09-19 Eric Christopher <echristo@apple.com>
1745 * doc/tm.texi (OBJC_JBLEN): Describe.
1746 * config/i386/darwin.h (OBJC_JBLEN): Define.
1747 * config/rs6000/darwin.h: Ditto.
1749 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1751 PR rtl-optimization/21299
1752 * reload1.c (reload): Purge invalid ASMs in the final pass.
1754 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1757 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1758 pointers as legitimate constants.
1760 2006-09-19 Paul Brook <paul@codesourcery.com>
1763 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1765 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1767 PR tree-optimization/28887
1768 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1769 component parts from the reference.
1770 (gather_memory_references_ref): Record the reference without the
1771 nonaddressable component parts.
1773 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1776 * c-opts.c (c_common_handle_option): Ignore the -std options
1777 if the input language is assembly.
1779 2006-09-17 Ira Rosen <irar@il.ibm.com>
1782 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1784 (ptr_ptr_may_alias_p): Likewise.
1785 (record_record_differ_p): New function.
1786 (base_object_differ_p): Call record_record_differ_p.
1788 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1791 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1792 away for the expr argument.
1794 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1797 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1798 before using it for dumping after vectorizing loops.
1800 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1801 Jack Howarth <howarth@bromo.med.uc.edu>
1804 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1805 skip on error_mark_node.
1806 (rs6000_darwin64_record_arg_recurse): Likewise.
1808 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1810 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1811 * doc/rtl.texi: Remove related documentation.
1813 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1815 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1818 2006-09-15 Jim Wilson <wilson@specifix.com>
1820 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1821 Handle symbol offsets same as they are handled in ia64_expand_move
1824 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1826 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1827 Add forgotten parameter to the fprintf call.
1829 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1831 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1833 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1835 * doc/contrib.texi: Add my entry.
1837 2006-09-15 Nick Clifton <nickc@redhat.com>
1839 * doc/md.texi (Processor pipeline description): Fix typo in
1840 example of how to use the absence_set directive and reword the
1841 description to make it slightly easier to read.
1843 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1845 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1846 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1847 expanding the number of iterations.
1848 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1850 * cfgrtl.c (emit_insn_at_entry): New function.
1851 * rtl.h (emit_insn_at_entry): Declare it.
1852 * integrate.c (emit_initial_value_sets): Use it.
1854 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1856 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1858 (struct loop_work and related VEC declarations): Delete.
1859 (bfin_dump_loops): Print out new member bad.
1860 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1861 (bfin_scan_loop): Don't recurse.
1862 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1863 loops. No longer need to update outer loops if the current one is
1864 found bad. Move some validitiy checks to bfin_discover_loop.
1865 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1866 but changed not to check for nesting. Also changed to use the new bad
1868 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1869 time. Use bitmap based test to discover loop nesting.
1871 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1873 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1876 2006-09-14 Richard Guenther <rguenther@suse.de>
1877 Kazu Hirata <kazu@codesourcery.com>
1879 PR middle-end/28884.
1880 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1881 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1882 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1883 with TARGET_FUNCTION_VALUE.
1885 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1888 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1890 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1892 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1895 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1898 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1901 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1903 * basic_block.h (bb_has_eh_pred): Fix comment.
1905 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1907 * flow.c (calculate_global_regs_live): Invalidate eh registers
1908 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1909 (propagate_block): Handle eh registers as if they were set at basic
1911 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1913 * global.c (global_conflicts): Make eh registers to conflict with
1914 pseudos live at basic block begin.
1915 * basic_block.h (bb_has_eh_pred): New function.
1917 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1919 PR rtl-optimization/28982
1920 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1921 index of a PRE_MODIFY or POST_MODIFY address.
1922 * reload1.c (inc_for_reload): Use find_replacement on the original
1923 base and index registers.
1925 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1927 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1928 for -Os. Update __m128 alignment requirement.
1930 2006-09-13 Jan Hubicka <jh@suse.cz>
1932 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1934 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1936 PR rtl-optimization/28243
1937 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1938 the insn to which the note was originally attached.
1940 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1941 Roger Sayle <roger@eyesopen.com>
1943 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1944 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1945 on platforms that don't use dwarf for debug info.
1947 2006-09-12 Jason Merrill <jason@redhat.com>
1950 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1951 hard_frame_pointer_rtx after using it to update the frame pointer.
1953 2006-09-12 Roger Sayle <roger@eyesopen.com>
1955 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1956 (TARGET_ASM_CLOSE_PAREN): Likewise.
1957 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1958 (TARGET_ASM_CLOSE_PAREN): Likewise.
1960 2006-09-12 Roger Sayle <roger@eyesopen.com>
1963 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1964 frame information for frames larger than 512 Kbytes on Tru64 when
1965 using the native assembler.
1967 2006-09-12 Roger Sayle <roger@eyesopen.com>
1971 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1972 and symbols. Instead use the implementation from cse.c's hash_rtx.
1974 2006-09-12 Jan Hubicka <jh@suse.cz>
1976 PR rtl-optimization/28071
1977 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1978 (vect_transform_loop): Likewise.
1979 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1980 (new_loop_vec_info): Likewise.
1981 (destroy_loop_vec_info): Likewise.
1982 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1983 (create_stmt_ann): Likewise.
1984 (create_tree_ann): Rename to ...
1985 (create_tree_common_ann): ... this one; allocate only the common part
1987 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1988 (get_value_handle): Likewise.
1989 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1990 get_tree_common_ann.
1991 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1992 (vinfo_for_stmt): Use stmt annotations.
1993 * tree-flow.h (tree_ann_common_t): New type.
1994 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1995 (tree_ann, get_tree_ann, create_tree_ann): New.
1996 * tree-flow-inline.h (get_function_ann): Do more type checking.
1997 (stmt_ann): Likewise.
1998 (tree_ann): Rename to ...
1999 (tree_common_ann): ... this one; return ony common_ann
2000 (get_tree_ann): Rename to ...
2001 (tree_common_ann): This one; return only common_ann.
2002 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2005 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2007 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2008 with_cpu by default.
2010 * dwarf2out.c (dwarf_file_data): New.
2011 (enum dw_val_class): Add dw_val_class_file.
2012 (struct dw_val_struct): Add val_file.
2013 (file_table): Change to a hash table.
2014 (file_table_emitted): Delete.
2015 (file_table_last_lookup_index): Delete.
2016 (emitcount): Delete.
2017 (last_emitted_file): New.
2018 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2019 (init_file_table): Delete.
2020 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2021 (AT_addr): Add comment.
2025 (print_die): Handle dw_val_class_file.
2026 (print_dwarf_line_table): Update for new file table structure.
2027 (attr_checksum): Do checksum a filename.
2028 (same_dw_val_p, same_attr_p): Do compare a filename.
2029 (size_of_die): Handle dw_val_class_file.
2030 (value_format): Likewise.
2031 (output_die): Likewise. Also, call maybe_emit_file here.
2032 (struct file_info): Constify filenames. Make file_idx a pointer
2033 to a struct dwarf_file_data.
2034 (struct dir_info): Constify directory names. Remove 'used' field.
2035 (struct file_name_acquire_data): New.
2036 (file_name_acquire): New.
2037 (output_file_names): Modify to handle new file data structures.
2038 (add_src_coords_attributes): Use add_AT_file.
2039 (add_call_src_coords_attributes): Likewise.
2040 (dwarf2out_imported_module_or_decl): Likewise.
2041 (gen_subprogram_die): Modify for new file data structures.
2042 (gen_variable_die): Likewise.
2043 (file_table_eq): New.
2044 (file_table_hash): New.
2045 (file_table_last_lookup): New.
2046 (lookup_filename): Rewrite to handle new file data structures.
2047 (maybe_emit_file): Rewrite to handle new file data structures.
2048 (dwarf2out_source_line): Always call lookup_filename and
2050 (dwarf2out_init): Create file_table here.
2051 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2052 (file_table_relative_p): New.
2053 (dwarf2out_finish): Change detection of relative filenames
2054 to work with new file data structures. Move output_line_info call
2055 after debug_info output.
2057 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2062 * config/i386/i386.c (override_options): Always default to 16
2063 byte stack boundary.
2065 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2068 * var-tracking.c (dump_dataflow_set): Start dumping at
2070 (clobber_variable_part): Kill only the variable part in
2071 registers holding it, leaving other variables alone.
2073 2006-09-11 Josh Triplett <josh@freedesktop.org>
2075 * doc/extend.texi (Other Builtins): Actually use the macro
2076 argument in the documentation example for
2077 __builtin_types_compatible_p.
2079 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2081 PR rtl-optimization/28726
2082 * sched-deps.c (sched_analyze_reg): New function extracted from...
2083 (sched_analyze_1): ...here. Call it to analyze references to
2084 registers. Treat again writes to a stack register as writing to the
2086 (sched_analyze_2): ...and here. Call it to analyze references to
2087 registers. Treat again reads of a stack register as reading the
2090 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2091 David Edelsohn <edelsohn@gnu.org>
2094 * config/rs6000/spe.md (frob_df_di): Remove %H.
2095 (frob_di_df): Remove %H. Change evmergelo to mr.
2096 (frob_di_df_2): Remove %H. Change evldd to two loads.
2098 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2100 * doc/cpp.texi: Fix names of charset options.
2102 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2105 * config/i386/i386.c (override_options): Use 128-bit
2106 stack boundary always for 64bits.
2108 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2110 PR rtl-optimization/28636
2111 * combine.c (force_to_mode): Test for side-effects before
2112 substituting by zero.
2113 (simplify_shift_const): Likewise for zero or other constants.
2115 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2118 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2121 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2124 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2125 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2126 returned by mode_for_size, rather than the mode of src itself,
2127 to choose between 32-bit and 64-bit patterns.
2128 (mips_mem_fits_mode_p): New function.
2129 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2130 that the size of the source matches the size of the destination.
2131 (mov_<store>l, mov_<store>r): Likewise.
2133 2006-09-10 Eric Christopher <echristo@apple.com>
2135 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2138 2006-09-09 Eric Christopher <echristo@apple.com>
2141 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2144 2006-09-09 Roger Sayle <roger@eyesopen.com>
2145 Nicolas Setton <setton@adacore.com>
2147 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2149 2006-09-10 Andreas Schwab <schwab@suse.de>
2151 * config/m68k/m68k.md (bungt_rev): New pattern.
2153 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2154 Dale Johannesen <dalej@apple.com>
2157 * regclass.c (struct reg_pref): Update documentation.
2158 (regclass): Set prefclass to NO_REGS if memory is the best option.
2159 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2161 2006-09-08 Eric Christopher <echristo@apple.com>
2163 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2164 * config/t-slibgcc-darwin: Support x86_64 multilib.
2165 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2166 Return 1 for x86_64-darwin.
2167 * config/i386/t-darwin: Add m64 multilib.
2168 (LIB2_SIDITI_CONV_FUNCS): Use.
2169 (LIB2FUNCS_EXTRA): Ditto.
2170 * config/i386/darwin.h: Support x86_64.
2171 * config/i386/i386.c (override_options): Turn on flag_pic
2172 for x86_64-darwin. Disable flag_omit_pointer.
2173 (get_pc_thunk_name): Assert !TARGET_64BIT.
2174 (legitimate_address_p): Disable machopic addressing for
2176 (legitimize_pic_address): Ditto.
2177 (ix86_expand_move): Ditto.
2178 (ix86_expand_call): Ditto.
2179 (machopic_output_stub): Ditto.
2180 * config/darwin.c (machopic_select_section): Support literal16.
2181 (machopic_select_rtx_section): Ditto.
2182 * config/darwin-sections.def: Ditto.
2183 * config/darwin-64.c: New.
2185 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2188 * c-tree.h (struct c_arg_info): Add pending_sizes.
2189 * c-parser.c (c_parser_parms_declarator,
2190 c_parser_parms_list_declarator): Initialize pending_sizes.
2191 * c-decl.c (get_parm_info): Initialize pending_sizes.
2192 (get_parm_info): Set pending_sizes.
2193 (grokdeclarator): Call put_pending_sizes for parameters for
2194 function definition only.
2196 2006-09-07 Jason Merrill <jason@redhat.com>
2199 * varasm.c (output_constant): Only strip actual no-op conversions.
2202 * config/i386/i386.c (override_options): Use 128-bit
2203 stack boundary if -msse.
2205 2006-09-07 Eric Christopher <echristo@apple.com>
2207 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2209 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2212 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2214 * dwarf2out.c: Remove strange characters from comment above
2215 dwarf2out_frame_debug_expr.
2217 2006-09-07 Eric Christopher <echristo@apple.com>
2219 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2220 * config/darwin.h: ... to here.
2222 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2224 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2226 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2227 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2229 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2230 TARGET_PARTIAL_FLAG_REG_STALL.
2231 (*ashldi3_cconly_rex64): Likewise.
2232 (*ashlsi3_cmp): Likewise.
2233 (*ashlsi3_cconly): Likewise.
2234 (*ashlsi3_cmp_zext): Likewise.
2235 (*ashlhi3_cmp): Likewise.
2236 (*ashlhi3_cconly): Likewise.
2237 (*ashlqi3_cmp): Likewise.
2238 (*ashlqi3_cconly): Likewise.
2239 (*ashrdi3_cmp_rex64): Likewise.
2240 (*ashrdi3_cconly_rex64): Likewise.
2241 (*ashrsi3_cmp): Likewise.
2242 (*ashrsi3_cconly): Likewise.
2243 (*ashrsi3_cmp_zext): Likewise.
2244 (*ashrhi3_cmp): Likewise.
2245 (*ashrhi3_cconly): Likewise.
2246 (*ashrqi3_cmp): Likewise.
2247 (*ashrqi3_cconly): Likewise.
2248 (*lshrdi3_cmp_rex64): Likewise.
2249 (*lshrdi3_cconly_rex64): Likewise.
2250 (*lshrsi3_cmp): Likewise.
2251 (*lshrsi3_cconly): Likewise.
2252 (*lshrsi3_cmp_zext): Likewise.
2253 (*lshrhi3_cmp): Likewise.
2254 (*lshrhi3_cconly): Likewise.
2255 (*lshrqi2_cmp): Likewise.
2256 (*lshrqi2_cconly): Likewise.
2258 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2261 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2262 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2263 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2264 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2265 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2266 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2267 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2268 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2269 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2270 implement only CC setting effects of shift instructions.
2272 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2274 * doc/contrib.texi: Add myself.
2276 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2279 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2280 was set by the user.
2282 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2285 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2286 (divsi_inv_m1): Use them.
2287 (UNSPEC_DIV_INV_TABLE): New constant.
2289 2006-09-06 James E Wilson <wilson@specifix.com>
2292 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2293 then call count_or_remove_death_notes.
2295 2006-09-06 Jason Merrill <jason@redhat.com>
2298 * tree-inline.c (copy_result_decl_to_var): New fn.
2299 (declare_return_variable): Use it. Call declare_inline_vars here.
2300 (expand_call_inline): Not here.
2302 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2304 * doc/contrib.texi: Update my entry.
2306 2006-09-06 Nick Clifton <nickc@redhat.com>
2308 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2310 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2313 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2314 (canonicalize_induction_variables): Likewise.
2315 (tree_unroll_loops_completely): Likewise.
2316 (tree_ssa_prefetch_arrays): Likewise.
2317 (remove_empty_loops): Likewise.
2318 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2319 TODO_cleanup_cfg instead of directly calling
2320 cleanup_tree_cfg_loop.
2321 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2323 (tree_unroll_loops_completely): Likewise.
2324 (remove_empty_loops): Likewise.
2325 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2326 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2327 of tree_ssa_unswitch_loops.
2328 (tree_ssa_loop_ivcanon): Use the return value of
2329 canonicalize_induction_variables.
2330 (tree_ssa_empty_loop): Use the return value of
2332 (tree_complete_unroll): Use the return value of
2333 tree_unroll_loops_completely.
2334 (tree_ssa_loop_prefetch): Use the return value of
2335 tree_ssa_prefetch_arrays.
2336 * passes.c (execute_todo): Before Cleanup CFG, set
2337 updating_used_alone and after cleanup CFG, call
2338 recalculate_used_alone.
2340 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2343 * tree-vect-transform.c (vectorizable_condition): Move the check
2344 for the type after the check for simple condition.
2346 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2347 Kaz Kojima <kkojima@gcc.gnu.org>
2350 * mode-switching.c (optimize_mode_switching): Make the destination
2351 block of an abnormal edge have no anticipatable mode. Don't
2352 insert mode switching code at the end of the source block of
2355 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2357 PR rtl-optimization/26847
2358 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2359 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2360 (simplify_plus_minus): Count n_constants while filling ops. Replace
2361 qsort with insertion sort. Before going through the array to simplify
2362 pairs, sort it. Delay early exit until after the first sort, exiting
2363 only if no swaps occurred. Simplify pairs in reversed order, without
2364 special-casing the first iteration. Pack ops after simplifying pairs.
2366 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2368 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2369 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2370 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2371 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2373 2006-09-05 Richard Guenther <rguenther@suse.de>
2375 PR tree-optimization/28900
2376 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2377 compound conditional before creating COND_EXPR condition.
2379 2006-09-05 Richard Guenther <rguenther@suse.de>
2381 PR tree-optimization/28905
2382 * tree-vrp.c (fix_equivalence_set): Manually implement
2383 !value_ranges_intersect_p to also handle symbolic ranges.
2385 2006-09-05 Richard Guenther <rguenther@suse.de>
2388 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2391 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2393 PR rtl-optimization/27616
2394 * cse.c (table_size): New static variable.
2395 (new_basic_block): Initialize it to 0.
2396 (remove_from_table): Decrement it.
2397 (insert): Increment it.
2398 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2399 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2400 fold_rtx_mem_1 if under the cap.
2401 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2402 the lookup of the equivalent expression and test for equality of the
2403 first operand of the equivalent expression before in turn looking up
2404 an equivalent constant for the second operand.
2406 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2409 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2410 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2411 pointer, instead of assuming it is possible to derive the
2412 correct args size from a call insn.
2414 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2417 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2418 (fold_builtin_mempcpy): Rename to...
2419 (fold_builtin_memory_op): ... this. Optimize one element copy
2421 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2423 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2424 (expand_builtin_memcpy, expand_builtin_mempcpy,
2425 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2426 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2427 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2428 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2430 2006-09-01 DJ Delorie <dj@redhat.com>
2432 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2433 (stzx_16): Likewise.
2434 ("stzx_24_<mode>"): Likewise.
2435 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2436 ("cmp<mode>_op"): New.
2437 (cmp<mode>): Change to expander; just save operands.
2439 (b<code>): Change to expander, emit compare here.
2440 (s<code>_op): Change to use split and expander.
2441 (s<code>_24_op): Likewise.
2442 (s<code>_<mode>): New.
2443 (s<code>_<mode>_24): New.
2444 (movqicc_<code>_<mode): New.
2445 (movhicc_<code>_<mode>): New.
2448 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2449 (m32c_pend_compare): New.
2450 (m32c_unpend_compare): New.
2451 (m32c_expand_scc): New.
2452 (m32c_expand_movcc): Emit the compare also.
2453 * config/m32c/predicates.md (mra_nopp_operand): New.
2455 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2456 Richard Guenther <rguenther@suse.de>
2457 Adam Nemet <anemet@caviumnetworks.com>
2460 * builtins.c (get_pointer_alignment): Handle more forms
2461 of base addresses that can be used to derive more precise
2462 information about alignment.
2464 2006-09-01 Jason Merrill <jason@redhat.com>
2467 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2470 * gimplify.c (voidify_wrapper_expr): Handle null type.
2472 2006-09-01 Josh Conner <jconner@apple.com>
2475 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2476 (execute_return_slot_opt): Use it.
2478 2006-08-31 Josh Conner <jconner@apple.com>
2481 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2482 returning aggregates.
2484 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2486 PR tree-optimization/28839
2487 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2488 blocks in that phi arguments appear.
2490 2006-08-31 Roger Sayle <roger@eyesopen.com>
2493 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2494 NULL, otherwise use an advance_loc4 to adjust relative to the
2496 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2497 (dwarf2out_switch_text_section): Reset the current label to avoid
2498 using advance_loc4 over section boundaries.
2500 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2503 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2504 r12 + SYMBOLIC_CONST.
2506 2006-08-30 Richard Guenther <rguenther@suse.de>
2508 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2510 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2512 PR rtl-optimization/27735
2513 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2514 Add new argument to keep track of whether an irreducible region
2515 was affected. All callers changed.
2516 (fix_irreducible_loops): Removed.
2517 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2518 flags were invalidated.
2520 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2522 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2523 instead of SF operands.
2524 (*fop_df_comm_sse): Likewise.
2525 (*fop_df_comm_i387): Likewise.
2526 (*fop_df_1_mixed): Likewise.
2527 (*fop_df_1_sse): Likewise.
2529 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2530 J"orn Rennecke <joern.rennecke@st.com>
2532 PR tree-optimization/17506
2533 * tree-ssa.c (warn_uninit): If warning about a location outside of
2534 the current function, note where the variable was declared.
2536 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2538 PR tree-optimization/28411
2539 * double-int.c (double_int_div): Use double_int_divmod.
2540 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2541 double_int_mod, double_int_smod, double_int_umod): New functions.
2542 * double-int.h (double_int_divmod, double_int_sdivmod,
2543 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2545 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2547 (get_computation_aff, get_computation_cost_at): Handle double_int
2548 return type of constant_multiple_of.
2550 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2553 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2554 an implicit conversion.
2556 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2558 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2560 2006-08-27 Roger Sayle <roger@eyesopen.com>
2562 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2565 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2567 * config/i386/crtfastmath.c: Fix a comment typo.
2569 2006-08-26 Roger Sayle <roger@eyesopen.com>
2571 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2572 temporary visit flags on CASE_LABEL_EXPRs.
2573 * c-common.c (match_case_to_enum): Add function comment. Avoid
2574 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2575 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2576 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2577 a constant, only warn if that constant value isn't handled.
2579 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2582 * input.h (restore_input_file_stack): Declare.
2583 (INPUT_FILE_STACK_BITS): Define.
2584 * toplev.c (fs_p, input_file_stack_history,
2585 input_file_stack_restored, restore_input_file_stack): New.
2586 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2587 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2588 (pop_srcloc): Don't free old state of stack.
2590 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2593 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2594 (PowerPC Type Attributes): New.
2596 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2598 * config/xtensa/xtensa.c (function_arg_boundary): New.
2599 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2601 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2602 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2604 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2607 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2610 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2612 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2613 (verify_local_live_at_start): Likewise.
2615 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2618 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2619 omp_add_variable): Treat sizes as variable whenever not
2622 2006-08-26 Richard Guenther <rguenther@suse.de>
2625 * fold-const.c (fold_binary): Fold temporary to correct
2626 type before constructing new comparison.
2628 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2631 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2632 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2634 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2637 * c-decl.c (start_function): Don't try to process prototype
2638 information from old declaration that isn't a function.
2640 2006-08-25 Jan Hubicka <jh@suse.cz>
2643 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2645 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2648 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2651 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2653 PR tree-optimization/16876
2654 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2655 exit if PARM doesn't match VALUE.
2657 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2659 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2660 literal_prefix directive.
2661 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2662 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2663 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2665 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2668 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2669 predicate to general_operand. Add 0->y and I->r alternatives.
2671 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2673 * doc/tm.texi: Fix a typo.
2674 * predict.c: Fix comment typos.
2676 2006-08-25 Nick Clifton <nickc@redhat.com>
2678 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2679 assertions of "cpu" and "machine".
2681 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2684 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2685 the access through a base which has an alias set of 0 cannot
2688 2006-08-24 Bill Wendling <wendling@apple.com>
2690 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2692 2006-08-24 Jan Hubicka <jh@suse.cz>
2694 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2696 2006-08-24 Jan Hubicka <jh@suse.cz>
2699 * cgraph.c: Fix comments.
2700 (cgraph_varpool_mark_needed_node): Mark only variables not already
2702 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2703 (cgraph_varpool_assembled_nodes_queue): New static variable.
2704 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2705 (cgraph_varpool_output_debug_info): New function.
2706 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2707 * Makefile.in: Add gt-cgraphunit.h
2709 2006-08-24 Jan Hubicka <jh@suse.cz>
2711 * predict.c (probability_reliable_p): New predicate.
2712 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2713 (predict_loops): Do not predict loop exit with less than 2%
2715 * basic-block.h (edge_probability_reliable_p,
2716 br_prob_note_reliable_p): Declare.
2717 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2718 prediction when static predictor is not reliable.
2719 * rs6000.c (output_cbranch): Likewise.
2721 2006-08-23 Stuart Hastings <stuart@apple.com>
2724 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2725 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2727 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2730 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2731 complex values, nor for generic vector values.
2733 2006-08-22 Richard Guenther <rguenther@suse.de>
2736 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2737 parameter. Convert arguments to arithmetic expression to the
2739 (analyze_scalar_evolution_1): Adjust caller.
2741 2006-08-22 Jan Hubicka <jh@suse.cz>
2743 Patch by Paolo Bonzini
2744 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2747 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2749 PR tree-optimization/28003
2750 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2751 before grouping aliases.
2753 2006-08-22 Roger Sayle <roger@eyesopen.com>
2755 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2756 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2758 2006-08-21 Jason Merrill <jason@redhat.com>
2761 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2762 wrapper. Loop to handle nested wrappers.
2763 (gimplify_bind_expr): Remove temp parameter.
2764 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2765 and STATEMENT_LIST on the rhs.
2766 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2767 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2768 (gimplify_target_expr): Remove special BIND_EXPR handling.
2770 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2772 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2775 2006-08-21 Olivier Hainque <hainque@adacore.com>
2777 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2778 Arrange for the temporary captures of components overlapping the lhs
2779 to happen before the lhs is possibly cleared.
2781 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2783 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2784 necessary places to pass the correct "number of registers" values
2787 2006-08-20 Jan Hubicka <jh@suse.cz>
2789 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2790 (create_name_tags): Instead of quadratic checking use hashtable.
2791 * bitmap.h: Include hashtab.h.
2792 (bitmap_hash): Declare.
2793 * bitmap.c (bitmap_hash): New function.
2795 2006-08-20 Jan Hubicka <jh@suse.cz>
2797 PR rtl-optimization/28071
2798 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2800 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2801 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2802 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2803 cgraph_decide_inlining_incrementally): Update use of
2804 cgraph_check_inline_limits.
2805 * cgraph.c (edge_hash, edge_eq): New function.
2806 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2807 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2808 cgraph_remove_node): Maintain call site hash.
2809 * cgraph.h (struct cgraph_node): Add call_site_hash.
2810 (cgraph_set_call_stmt): New function.
2812 2006-08-20 Jan Hubicka <jh@suse.cz>
2814 PR rtl-optimization/28071
2815 * reload1.c (reg_has_output_reload): Turn into regset.
2816 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2817 choose_reload_regs, emit_reload_insns): Update to new
2818 reg_has_output_reload.
2820 2006-08-20 Jan Hubicka <jh@suse.cz>
2823 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2824 function body sizes.
2825 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2827 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2830 * tree.c (handle_dll_attribute): Return early if not a
2831 var or function decl.
2833 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2836 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2837 alignment of SPE vector types.
2839 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2841 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2843 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2846 * cgraph.h (struct cgraph_node): Remove externally_visible
2848 * cgraphunit.c (process_function_and_variable_attributes): Set
2849 local.externally_visible rather than externally_visible.
2852 * c-common.c (handle_externally_visible_attribute): First look
2853 at TREE_CODE and only if it is function or var decl, check for
2854 non-public objects. Don't warn for DECL_EXTERNAL.
2855 * cgraphunit.c (process_function_and_variable_attributes): Warn
2856 if externally_visible attribute is used on non-public object.
2858 2006-08-17 Jan Hubicka <jh@suse.cz>
2860 PR tree-optimization/27865
2861 * reload1.c (forget_marked_reloads): New function.
2862 (forget_old_reloads_1): When data are passed, just mark the registers
2864 (reload_as_needed): Use the new mechanizm.
2866 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2869 * reload.h (reg_equiv_alt_mem_list): New declaration.
2870 * reload1.c (reg_equiv_alt_mem_list): New definition.
2871 (reload): Initialize it and release it.
2872 (delete_output_reload): Use it.
2873 * reload.c (push_reg_equiv_alt_mem): New function.
2874 (find_reloads_toplev): Call it.
2875 (find_reloads_address, find_reloads_address_1): Likewise.
2876 (find_reloads_subreg_address): Likewise.
2878 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2880 PR rtl-optimization/28489
2881 * sched-ebb.c (begin_schedule_ready): Create basic block
2883 (advance_target_bb): Skip empty blocks.
2884 * haifa-sched.c (bb_note): Make global.
2885 * sched-int.h (bb_note): Add prototype.
2887 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2889 PR tree-optimization/27865
2890 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2892 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2893 fold_used_pointer, pointer_used_p): New functions.
2894 (analyze_scalar_evolution_1): Use fold_used_pointer.
2895 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2896 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2899 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2902 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2903 or the INTEGER_CST. Fail on a CALL_EXPR.
2904 (fold_offsetof): Pass new argument to fold_offsetof_1.
2905 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2906 operand into an INDIRECT_REF.
2907 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2909 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2911 PR gcov/profile/26570
2912 * value-prof.c (static_values): Removed.
2913 (tree_find_values_to_profile): Do not set static_values.
2914 (find_values_to_profile): Do not free static_values.
2915 * profile.c (instrument_values): Do not free the values.
2916 (branch_prob): Free the values.
2918 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2920 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2922 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2925 * c-typeck.c (build_component_ref): Combine qualifiers of
2926 structure or union and field.
2928 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2930 PR rtl-optimization/28071
2931 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2932 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2933 * tree-into-ssa.c (struct dom_dfsnum): New.
2934 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2936 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2937 compute_global_livein.
2938 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2939 in phi nodes in the correct blocks.
2941 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2943 PR tree-optimization/28364
2944 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2946 (fold_affine_expr): New function.
2947 (may_eliminate_iv): Use fold_affine_expr.
2949 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2952 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2955 2006-08-16 Mike Stump <mrs@apple.com>
2957 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2958 * doc/cppopts.texi (-MD): Likewise.
2960 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2963 * c-common.c (handle_weak_attribute): Ignore and warn if
2964 not a FUNCTION_ or VAR_DECL.
2966 2006-07-15 Mike Stump <mrs@apple.com>
2969 * c-parser.c (c_parser_typeof_specifier): Don't use
2970 c_finish_expr_stmt, open code desired semantics instead.
2972 2006-08-15 Nick Clifton <nickc@redhat.com>
2974 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2975 fragment to tmake_file only if threads are enabled.
2976 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2977 * config/i386/t-gthr-win32: New file. ... here.
2979 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2982 * c-parser.c (c_parser_compound_statement_nostart): Reset
2983 parser->error after each statement.
2985 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2988 * omp-low.c (lower_omp_parallel): Convert t to
2989 receiver_decl's type.
2990 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2991 source before comparison.
2994 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2995 to itype in assignment to oldival2.
2997 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3001 * c-typeck.c (build_compound_expr): If the second expression
3002 is an error mark, then just return an error mark instead of
3003 creating a COMPOUND_EXPR.
3005 2006-07-14 Mike Stump <mrs@apple.com>
3007 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3009 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3011 * c-decl.c, var-tracking.c: Fix comment typos.
3013 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3015 PR rtl-optimization/28634
3016 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3017 for floating-point modes unless flag_unsafe_math_optimizations.
3019 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3020 Andrew Pinski <pinskia@physics.uc.edu>
3023 * tree.c (build_array_type): Unify array types with
3024 unspecified index_type.
3025 * c-decl.c (grokdeclarator): Make sure we do not modify a
3026 unified incomplete array type.
3027 * c-typeck.c (store_init_value): Create distinct type before
3028 filling in the index type in an initializer from a compound
3031 * c-decl.c (grokdeclarator): Remove code where we copy the
3034 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3036 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3037 into account for TODO_dump_cgraph.
3038 (TODO_update_ssa_no_phi): Likewise.
3039 (TODO_update_ssa_full_phi): Likewise.
3040 (TODO_update_ssa_only_virtuals): Likewise.
3041 (TODO_remove_unused_locals): Likewise.
3042 (TODO_set_props): Likewise.
3043 (TODO_update_stmt_usage): Likewise.
3045 2006-08-13 Dirk Mueller <dmueller@suse.de>
3047 * c-common.c (strict_aliasing_warning): Fix formatting.
3049 2006-08-13 Matthias Klose <doko@debian.org>
3051 * doc/invoke.texi: Fix spelling errors.
3053 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3055 PR rtl-optimization/23454
3056 * reorg.c (relax_delay_slots): Update comment.
3058 2006-08-11 Richard Guenther <rguenther@suse.de>
3061 * simplify-rtx.c (simplify_const_relational_operation):
3062 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3065 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3067 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3068 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3070 2006-08-10 Paul Brook <paul@codesourcery.com>
3072 * final.c (final_scan_insn): Clear current_insn_predicate before
3073 outputting inline asm.
3075 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3077 PR tree-optimization/26197
3078 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3079 get_ref_base_and_extent and overlap_subvar to add only relevant
3080 subvars as may-aliases.
3081 (add_may_alias_for_new_tag): New function, factored out of
3083 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3084 with additional argument.
3085 * tree-flow.h (new_type_alias): Takes additional argument.
3087 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3089 * gcov.c (no_data_file): New flag.
3090 (read_count_file): Set it if data file not present. Assume counts
3092 (output_lines): Don't name the data file, if there wasn't one.
3094 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3096 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3097 (rs6000_generate_compare): Tweak comments.
3098 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3100 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3102 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3103 (var_debug_decl): New function.
3104 (var_reg_set): Follow debug decl link. Add location even if
3105 reg is already known to hold some other variable.
3106 (var_mem_set): Follow debug decl link.
3107 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3108 decl link. Delete other known locations of the variable part
3110 (var_reg_delete, var_mem_delete): Delete other known locations
3111 of the variable part if requested.
3112 (same_variable_part_p): New function.
3113 (add_stores): Select MO_COPY when appropriate.
3114 (vt_initialize): Handle it.
3115 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3116 known locations for MO_SET and MO_CLOBBER.
3117 (find_variable_location_part): New function.
3118 (set_variable_part, delete_variable_part): Use it.
3119 (clobber_variable_part): New function.
3120 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3123 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3125 PR tree-optimization/26969
3126 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3127 with an empty list of PHIs.
3129 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3133 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3136 2006-08-06 Andreas Schwab <schwab@suse.de>
3138 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3139 string. Whitespace and comment fixup.
3141 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3144 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3148 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3151 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3153 2006-08-04 Jan Hubicka <jh@suse.cz>
3157 * reload.c (push_reload): Patch out the mismatching instruction;
3159 (find_reload): Bail out if the instruction was patched out.
3161 2006-08-04 Jan Hubicka <jh@suse.cz>
3163 PR tree-optimization/24888
3164 * tree-inline.c (expand_call_inline): Do not re-record variables.
3165 (declare_inline_vars): Add variable to unexpanded_var_list.
3167 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3168 Roger Sayle <roger@eyesopen.com>
3170 PR rtl-optimization/26244
3171 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3172 inner_const are negative or greater than or equal to the bitsize of
3173 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3174 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3175 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3176 CONST0_RTX (mode) when the new shift count is greater than or equal to
3177 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3180 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3182 * tree-cfg.c: Fix a comment typo.
3184 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3187 * varasm.c (output_constant): Give the front end another chance to
3188 expand constants, after stripping NOPs.
3190 2006-08-03 Jan Hubicka <jh@suse.cz>
3192 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3195 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3197 PR tree-optimization/27770
3198 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3199 declaration removed (moved to tree-flow.h).
3200 (vect_can_force_dr_alignment_p): Likewise.
3201 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3202 (moved from tree-vectorizer.h).
3203 (vect_can_force_dr_alignment_p): Likewise.
3204 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3205 from outside the vectorizer - in particular from cgraph stage.
3206 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3207 the alignment of global arrays when -fsection-anchors is enabled.
3208 * cgraphunit.c (cgraph_increase_alignment): New function.
3209 (cgraph_optimize): Call cgraph_increase_alignment.
3211 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3214 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3215 not reload a SPE symbol_ref into a lo_sum address.
3217 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3220 * dwarf2out.c (prune_unused_types_prune): Move call to
3221 prune_unused_types_update_strings to cover the parent DIE also.
3223 2006-08-02 Jan Hubicka <jh@suse.cz>
3225 PR gcov/profile/28480
3226 * tree-cfg.c (change_bb_for_stmt): New function.
3227 (tree_merge_blocks, tree_split_blocks): Use it.
3229 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3235 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3236 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3237 (cgraph_optimize): Likewise.
3239 2006-08-01 Stuart Hastings <stuart@apple.com>
3241 * rtl.h (UINTVAL) New.
3242 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3243 * testsuite/gcc.dg/20060801-1.c: New.
3245 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3248 * c-typeck.c (build_external_type): Mark used enum types.
3249 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3251 (gen_subprogram_die): Whitespace fix.
3253 2006-08-01 Jan Hubicka <jh@suse.cz>
3255 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3256 bitmap when not needed.
3257 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3260 2006-08-01 Dirk Mueller <dmueller@suse.de>
3262 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3264 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3266 * Makefile.in: Revert part of previous patch:
3267 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3270 2006-07-30 Eric Christopher <echristo@apple.com>
3273 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3274 (PowerPC Variable Attributes): New section.
3276 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3278 PR target/28126 (partial fix)
3279 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3281 2006-07-28 Jan Hubicka <jh@suse.cz>
3283 PR rtl-optimization/28071
3284 * cfgrtl.c (rtl_delete_block): Free regsets.
3285 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3287 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3289 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3290 and variables used in dependencies.
3292 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3294 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3295 %fs for -mcmodel=kernel.
3296 (stack_tls_protect_test_di): Likewise.
3298 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3300 * Makefile.in: Use mkinstalldirs.
3302 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3305 * opts-common.c (prune_options): Skip joined switches.
3307 2006-07-27 Jan Hubicka <jh@suse.cz>
3309 PR rtl-optimization/28071
3310 * cselib.c (cselib_process_insn): Don't remove useless values too
3311 often for very large hashtables.
3313 2006-07-27 Jan Hubicka <jh@suse.cz>
3315 PR rtl-optimization/28071
3316 * global.c (greg_obstack): New obstack.
3317 (allocate_bb_info): Use it.
3318 (free_bb_info): Likewise.
3319 (modify_reg_pav): Likewise.
3321 2006-07-27 Roger Sayle <roger@eyesopen.com>
3323 * builtins.c (fold_fixed_mathfn): When long and long long are the
3324 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3325 functions to their lceil*, lfloor*, lround* and lrint* forms.
3327 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3330 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3332 (rev_branch_insn): Likewise.
3334 2006-07-27 Jan Hubicka <jh@suse.cz>
3336 PR rtl-optimization/28071
3337 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3338 (reg_set_in_bb, max_reg_computed): New static variables.
3339 (regmove_optimize): Free the new array.
3340 (fixup_match_1): Update call of reg_is_remote_constant_p.
3342 2006-07-26 Jan Hubicka <jh@suse.cz>
3344 PR tree-optimization/27882
3345 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3347 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3349 (cgraph_analyze_compilation_unit): Likewise.
3350 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3351 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3352 (cgraph_early_inlinine): Make order garbage collected.
3353 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3355 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3357 * dbxout.c (output_types_sort): Add a comment.
3358 (output_used_types): Free the VEC.
3360 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3362 * function.c (reorder_fix_fragments): Delete.
3363 (reorder_blocks): Don't call it.
3364 (reorder_blocks_1): Put all subblocks under the origin block.
3366 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3368 PR rtl-optimization/27907
3369 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3372 2006-07-25 Roger Sayle <roger@eyesopen.com>
3375 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3376 bar(x) check that bar's result type can represent all the values of T.
3378 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3380 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3382 2006-07-25 Nick Clifton <nickc@redhat.com>
3384 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3385 size_lookup[] array.
3386 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3387 (ggc_pch_count_object): Likewise.
3388 (ggc_pch_alloc_object): Likewise.
3389 (ggc_pch_write_object): Likewise.
3390 (init_ggc): Do not attempt to initialize entries in the
3391 size_lookup[] array for objects whose size is greater than than
3392 the length of the array.
3394 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3396 * dbxout.c (output_used_types_helper): Push queued types
3398 (output_types_sort): New.
3399 (output_used_types): Collect used types on a VEC and sort them
3402 2006-07-24 Richard Guenther <rguenther@suse.de>
3405 * cgraph.c (cgraph_remove_node): Do not check if dumps
3407 * cgraphunit.c (cgraph_optimize): Likewise.
3409 2006-07-24 Jan Hubicka <jh@suse.cz>
3411 PR rtl-optimization/28071
3412 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3413 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3414 splitting before first stmt.
3416 2006-07-24 Jan Hubicka <jh@suse.cz>
3418 PR rtl-optimization/28071
3419 * ipa-inline.c (update_caller_keys): Remove edges that
3420 are no longer inline candidates.
3422 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3425 * dbxout.c (output_used_types_helper, output_used_types): New.
3426 (dbxout_symbol): Call output_used_types.
3428 2006-07-23 Jan Hubicka <jh@suse.cz>
3432 * cgraph.c (cgraph_varpool_nodes): Export.
3433 (decide_is_variable_needed): Ignored "used" attribute in
3434 unit-at-a-time mode.
3435 * cgraph.h (cgraph_varpool_nodes): Declare.
3436 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3437 unit-at-a-time mode.
3439 2006-07-23 Roger Sayle <roger@eyesopen.com>
3442 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3443 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3444 the __gthrw form of thr_keycreate.
3445 (__gthread_key_delete): Silence the unused argument warning.
3447 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3450 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3451 Cache the last found '\0' marker to avoid quadratic behavior.
3453 2006-07-23 Jan Hubicka <jh@suse.cz>
3455 * i386.md (subsi_3_zext): Fix output template.
3457 2006-07-21 Mike Stump <mrs@apple.com>
3459 * doc/invoke.texi (C++ Dialect Options): Note that
3460 -fvisibility-inlines-hidden doesn't affect explicitly
3461 instantiationed inline methods.
3463 2006-07-20 Roger Sayle <roger@eyesopen.com>
3465 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3466 if the target assembler is GNU binutils' gas.
3467 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3468 whether to pass GNU gas or native as command line options.
3470 2006-07-20 Jason Merrill <jason@redhat.com>
3472 * tree.c (remove_attribute): New fn.
3473 * tree.h: Declare it.
3475 2006-07-20 Paul Brook <paul@codesourcery.com>
3478 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3479 they are invalidated by this instruction.
3481 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3484 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3486 2006-07-20 Eric Christopher <echristo@apple.com>
3489 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3491 2006-07-19 Eric Christopher <echristo@apple.com>
3493 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3494 Rewrite dependencies for libgcc_s.1.dylib.
3496 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3498 * except.c (duplicate_eh_regions_1): Clear next_peer.
3500 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3502 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3503 -mlongcall does not guarantee all calls will be long.
3504 * doc/extend.texi (long_call/short_call): Document that longcall
3505 does not guarantee a long call will be used.
3506 (longcall/shortcall): Likewise.
3508 2006-07-18 Roger Sayle <roger@eyesopen.com>
3511 * expmed.c (expand_shift): Additionally check that the shift_cost
3512 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3513 before implementing a LSHIFT_EXPR as a sequence of additions.
3514 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3515 middle-end that DImode shifts need to be synthesized by expand.
3517 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3520 * tree-ssa-operands.c (access_can_touch_variable): Update
3522 Return true if ALIAS is .GLOBAL_VAR.
3524 2006-07-18 David Daney <ddaney@avtrex.com>
3526 * gcc.c (display_help): Fix typo in help text.
3528 2006-07-18 Olivier Hainque <hainque@adacore.com>
3530 * tree.h (categorize_ctor_elements): Adjust prototype and add
3531 descriptive comment, both in accordance with the interface change
3533 * varasm.c (constructor_static_from_elts_p): New function.
3534 Whether a constructor node is a valid static constant initializer
3535 if all its elements are.
3536 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3537 * output.h: Declare it.
3538 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3539 is a valid constant initializer instead of computing the number of
3540 non-constant elements. Use constructor_static_from_elts_p for this
3541 purpose. Replace the head comment with an indication that this is a
3542 helper for categorize_ctor_elements.
3543 (categorize_ctor_elements): Same interface change as for the _1
3544 helper. Former head comment from this helper moved here, adjusted to
3545 account for the interface changes.
3546 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3547 (all_zeros_p): Likewise.
3548 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3549 static versions of the constructor from the categorize_ctor_elements
3550 return value instead of the formerly computed number of non-constant
3553 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3555 * configure: Regenerate.
3556 * Makefile.in (build_libsubdir): New configure substitution
3557 (build_libobjdir): New variable.
3558 (BUILD_LIBIBERTY): Use it.
3560 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3563 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3565 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3568 * c-common.c (handle_weakref_attribute): Ignore attribute in
3569 the same conditions the alias attribute is ignored.
3571 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3573 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3574 (dbxout_begin_prologue): Increment scope_labelno.
3576 2006-07-17 Richard Henderson <rth@redhat.com>
3579 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3582 2006-07-17 Roger Sayle <roger@eyesopen.com>
3583 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3585 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3586 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3587 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3588 functions such as sbrk, write, etc.. Add function prototypes.
3589 Convert function declarations from K&R to ISO C. Cast pointers
3590 to "long" and "unsigned long" instead of "int" and "unsigned int".
3591 Convert tokens following #endif into comments.
3593 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3595 * invoke.texi: Remove mention of f77; Reformat table for
3596 inline parameter options correctly; mention that -malign-double
3597 is default on x86-64 targets.
3599 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3601 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3602 (convert_affine_scev, chrec_convert_aggressive): Use
3603 avoid_arithmetics_in_type_p. Do not check for the subtypes
3606 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3609 * optabs.c (expand_doubleword_shift): Wrap the call to
3610 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3612 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3615 * optabs.c (expand_binop): Pass next_methods rather than methods
3616 to expand_doubleword_shift.
3618 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3621 * tree.h (dump_addr): Declare.
3622 * print-tree.c (dump_addr): New function.
3623 (print_node_brief, print_node): Use it.
3624 * print-rtl.c (print_rtx): Likewise.
3625 * common.opt (-fdump-noaddr): New option.
3626 * doc/invoke.texi (-fdump-noaddr): Document.
3627 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3628 (ve_info_hash): Likewise.
3630 2006-07-13 Andrew Haley <aph@redhat.com>
3632 PR tree-optimization/19505
3633 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3634 edge leaving this block, make sure that the destination of this
3635 block has only one predecessor.
3637 2006-07-17 Richard Guenther <rguenther@suse.de>
3639 PR tree-optimization/28238
3640 * tree-inline.c (copy_bb): Check if we produced valid
3641 gimple copying and substituting a stmt. If not, gimplify
3644 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3646 * optabs.c (maybe_encapsulate_block): New function extracted from...
3647 (emit_libcall_block): ...here. Invoke it on the block of insns to
3648 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3649 (emit_no_conflict_block): Likewise.
3651 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3653 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3655 2006-07-15 Roger Sayle <roger@eyesopen.com>
3657 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3658 a new NOP_EXPR case of the switch statement.
3660 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3663 * stor-layout.c (place_field): Take the bit field with
3664 an excessive size into account in the ms-bitfiled case.
3667 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3668 the previous bit field.
3670 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3673 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3675 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3677 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3678 signal frames correctly even when the signal was installed with
3681 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3683 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3684 (dbxout_function_end): Use local label LFBB. Remove hook
3686 (dbxout_source_line): Use local label LFBB.
3687 (dbxout_block): Likewise.
3688 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3689 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3690 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3691 and DBX_OUTPUT_NFUN.
3693 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3695 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3697 2006-07-13 Jan Hubicka <jh@suse.cz>
3699 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3701 * output.h (align_variable): Declare.
3702 * varasm.c (align_variable): Export.
3703 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3704 when basic block changed.
3706 2006-07-13 Nick Clifton <nickc@redhat.com>
3708 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3709 walking the LOG_LINKS chain.
3711 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3713 * doc/invoke.texi (C++ Dialect Options): Explain difference
3714 between -fvisibility-inlines-hidden and setting hidden
3715 visibility explicitly.
3717 2006-07-12 Eric Christopher <echristo@apple.com>
3719 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3720 (stmp-lipo): Depend on libgcc.a.
3722 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3724 * tree.c: Fix a comment typo.
3726 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3728 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3730 (umulhisi3_r): Likewise.
3732 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3735 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3736 x < 19, vs wchar_t support.
3738 2006-07-12 Nick Clifton <nickc@redhat.com>
3740 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3741 instead of -isa=sh4.
3743 2006-07-12 Mike Stump <mrs@apple.com>
3745 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3747 2006-07-10 Eric Christopher <echristo@apple.com>
3749 * config/t-slibgcc-darwin: Rewrite.
3751 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3754 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3757 2006-07-08 Matthias Klose <doko@debian.org>
3759 * doc/sourcebuild.texi: Fix typo.
3761 2006-07-07 Mike Stump <mrs@apple.com>
3763 * toplev.c (process_options): Don't give -ffunction-sections may
3764 affect debugging warning for Mach-O.
3766 2006-07-07 James E Wilson <wilson@specifix.com>
3768 * config/mips/mips.md (cpu): Add sb1a.
3769 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3770 addition to sb1. Adjust comments to clarify SB-1A differences from
3772 (ir_sb1a_load): New. Modify bypasses to use it.
3773 (ir_sb1a_simple_alu): Likewise.
3774 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3775 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3776 (mips_issue_rate): Add PROCESSOR_SB1A.
3777 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3778 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3779 (TARGET_SB1): Add PROCESSOR_SB1A check.
3780 (TUNE_SB1): Likewise.
3782 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3783 * config/mips/mips.c (mips_store_data_bypass_p): New.
3784 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3785 store_data_bypass_p.
3787 2006-07-08 Paul Brook <paul@codesourcery.com>
3790 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3792 2006-07-07 Richard Guenther <rguenther@suse.de>
3795 * tree.h (build_one_cst): Declare.
3796 * tree.c (build_one_cst): New function.
3797 * tree-ssa-math-opts.c (get_constant_one): Remove.
3798 (insert_reciprocals): Use build_one_cst.
3799 * fold-const.c (fold_plusminus_mult): Likewise.
3801 2006-07-07 Roger Sayle <roger@eyesopen.com>
3803 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3804 * cfgloopanal.c (dump_graph): Likewise.
3805 * dojump.c (discard_pending_stack_adjust): Likewise.
3806 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3808 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3809 * function.c (finalize_block_changes): Likewise.
3810 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3811 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3812 * rtl.c (dump_rtx_statistics): Likewise.
3813 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3815 * varray.c (dump_varray_statistics): Likewise.
3816 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3817 decode_decimal64, encode_decimal128, decode_decimal128,
3818 decimal_real_to_decimal): Likewise.
3820 2006-07-07 Richard Guenther <rguenther@suse.de>
3822 PR tree-optimization/28187
3823 * tree-vrp.c (vrp_operand_equal_p): New function.
3824 (vrp_bitmap_equal_p): Likewise.
3825 (update_value_range): Use them to compare old and new
3828 2006-07-06 Roger Sayle <roger@eyesopen.com>
3830 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3831 a default case to switch statement to silence compiler warnings.
3833 2006-07-06 Roger Sayle <roger@eyesopen.com>
3836 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3837 the configured assembler supports the x87's ffreep mnemonic.
3838 * configure: Regenerate.
3839 * config.in: Regenerate.
3841 * config/i386/i386.c (output_387_ffreep): New function.
3842 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3843 (output_387_reg_move): Likewise.
3845 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3847 Port to hosts whose 'sort' and 'tail' implementations
3848 treat operands with leading '+' as file names, as POSIX
3849 has required since 2001. However, make sure the code still
3850 works on pre-POSIX hosts.
3851 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3852 which says you should use "tail -c +N" rather than "tail +Nc".
3853 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3855 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3857 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3860 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3863 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3864 PRE_{INC,DEC} of TFmode.
3866 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3867 Alan Modra <amodra@bigpond.net.au>
3870 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3873 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3876 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3877 Remove duplicate gtu.
3879 2006-07-05 Jason Merrill <jason@redhat.com>
3883 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3884 * c-common.c (handle_packed_attribute): So don't copy it here.
3885 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3887 2006-07-05 Mike Stump <mrs@apple.com>
3889 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3891 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3894 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3896 2006-07-05 Richard Guenther <rguenther@suse.de>
3899 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3900 TARGET_SSE2 targets if using SSE math.
3901 (*absdf2_1): Likewise.
3903 2006-07-05 Richard Guenther <rguenther@suse.de>
3905 PR tree-optimization/28162
3906 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3907 make sure to convert the operands to the correct type.
3909 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3911 PR tree-optimization/28218
3913 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3914 to calculate and free the dominator information.
3916 2006-07-04 Peter O'Gorman <peter@pogma.com>
3918 * mklibgcc.in: chmod 644 before ranlib during install.
3920 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3921 J"orn Rennecke <joern.rennecke@st.com>
3923 * configure.ac (.eh_frame data check): Use diff -b.
3925 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3928 * Makefile.in (BUILD_RTL): Add build/vec.o.
3929 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3930 (build/genextract): Delete.
3931 (build/genautomata): Likewise.
3933 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3936 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3937 128-bit IBM long doubles for ABI_V4.
3939 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3941 * tree.c (range_in_array_bounds_p): New predicate.
3942 * tree.h (range_in_array_bounds_p): Declare it.
3943 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3944 return a less conservative answer.
3945 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3946 and flag 'is_group'.
3947 (IS_ELEMENT_FOR_GROUP): New macro.
3948 (FOR_EACH_ACTUAL_CHILD): Likewise.
3949 (next_child_for_group): New helper function.
3950 (can_completely_scalarize_p): Take into account groups.
3951 (sra_hash_tree): Handle RANGE_EXPR.
3952 (sra_elt_eq): Likewise.
3953 (lookup_element): Be prepared for handling groups.
3954 (is_valid_const_index): Delete.
3955 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3956 instead of is_valid_const_index.
3957 <ARRAY_RANGE_REF>: New case.
3958 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3959 is_valid_const_index.
3960 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3961 (scan_dump): Dump info for groups too.
3962 (decide_instantiation_1): Likewise.
3963 (decide_block_copy): Assert that the element is not a group.
3964 Propagate decision to groups.
3965 (generate_one_element_ref): Handle RANGE_EXPR.
3966 (mark_no_warning): Iterate over actual childs.
3967 (generate_copy_inout): Likewise.
3968 (generate_element_copy): Likewise.
3969 (generate_element_zero): Likewise.
3970 (generate_element_init_1): Likewise.
3971 (dump_sra_elt_name): Handle RANGE_EXPR.
3973 2006-07-03 Roger Sayle <roger@eyesopen.com>
3975 PR tree-optimization/26251
3976 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3977 (thread_block): When optimizing for size refuse to thread jumps
3978 that would require duplication of blocks other than redirection
3981 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3983 * configure.ac: Fix thinko in previous check-in.
3984 * configure: Regenerate.
3986 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3989 * configure.ac (for lang...): Simplify nesting of conditionals.
3990 Test subdir_requires for non-enabled languages. Move processing
3991 of lang_opt_files and lang_tree_fiels below that test.
3992 * configure: Regenerate.
3993 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3995 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3997 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3999 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4001 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4004 2006-06-29 Jason Merrill <jason@redhat.com>
4011 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4012 * c-common.c (c_determine_visibility): Handle it here.
4013 * c-decl.c (finish_decl): Call c_determine_visibility for
4015 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4017 * varasm.c (default_assemble_visibility): Likewise.
4018 * c-common.c (handle_visibility_attribute): Complain about trying
4019 to give visibility to an already defined class, or trying to change
4020 declared visibility. Always attach the attribute.
4025 * attribs.c (decl_attributes): Ignore type-in-place attributes
4026 once the type has been defined.
4028 2006-06-29 Roger Sayle <roger@eyesopen.com>
4031 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4032 to indicate the cpplib has issued an error message for us.
4034 2006-06-29 Asher Langton <langton2@llnl.gov>
4037 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4038 insert a label at the end of an function under Mach-O.
4040 2006-06-29 Eric Christopher <echristo@apple.com>
4041 Evan Cheng <evan.cheng@apple.com>
4043 * predicates.md (vector_all_ones_operand): New.
4044 (nonimmediate_or_sse_const_operand): Ditto.
4045 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4046 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4047 (standard_sse_mode_p): Ditto.
4048 (standard_sse_constant_p): Add case for -1 vector.
4049 (ix86_expand_vector_move): Try to use.
4050 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4051 Call standard_sse_constant_opcode.
4052 (*movv4sf_internal): Ditto.
4053 (*movv2df_internal): Ditto.
4055 2006-06-29 Roger Sayle <roger@eyesopen.com>
4057 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4058 of XEXP to extract the operands of a MATCH_CODE rtx.
4060 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4062 * tree.c (tree_size): Do not waste tail padding in
4063 struct tree_string and make the size be the same as
4064 build_string will generate.
4066 2006-06-28 Jason Merrill <jason@redhat.com>
4069 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4070 may_aliases already in the tag's annotations to the bitmap.
4072 2006-06-28 Roger Sayle <roger@eyesopen.com>
4074 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4076 2006-06-28 Roger Sayle <roger@eyesopen.com>
4078 * genpreds.c (generate_switch_p): New function.
4079 (add_mode_tests): Push the new mode test down inside an AND expr
4080 if this allows the switch-suitable MATCH_CODE to be near the root.
4081 (write_match_code_switch): New function to write a MATCH_CODE as
4083 (write_predicate_stmts): New function to write a predicate RTX
4084 expression as a sequence of statements.
4085 (write_one_predicate_function): Use write_predicate_stmts.
4086 (write_tm_constrs_h): Likewise.
4088 2006-06-26 Fred Fish <fnf@specifix.com>
4090 * config/mips/t-sb1: New file.
4091 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4094 2006-06-26 DJ Delorie <dj@redhat.com>
4096 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4098 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4099 Jayant Sonar <jayants@kpitcummins.com>
4100 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4102 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4103 (subsi3, subsi3_1, subsi3_2): New.
4104 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4105 * config/m32c/mov.md (SI mov peephole): New.
4106 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4107 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4109 2006-06-26 Olivier Hainque <hainque@adacore.com>
4111 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4112 a CALL_EXPR target function declaration.
4114 2006-06-26 Richard Guenther <rguenther@suse.de>
4116 * tree.c (build_string): Do not waste tail padding in
4119 2006-06-26 Richard Guenther <rguenther@suse.de>
4121 * ggc-page.c (init_ggc): Add missing element to size_lookup
4125 2006-06-23 Richard Guenther <rguenther@suse.de>
4127 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4128 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4129 alignment requests instead. Add verification code.
4130 Add struct tree_function_decl and struct tree_binfo size to
4131 extra_order_size_table. Add missing element to size_lookup
4134 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4137 * fold-const.c (const_binop): Be prepared for self returning zero.
4138 Simplify code handling complex values.
4140 2006-06-24 Olivier Hainque <hainque@adacore.com>
4142 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4143 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4146 2006-06-24 Olivier Hainque <hainque@adacore.com>
4148 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4149 ARRAY_REF, so have the callback called for the low bound expression.
4151 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4153 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4154 * c-typeck.c (c_common_type): Disallow operations on decimal float
4155 types and other float types.
4156 * convert.c (convert_to_real): Don't ignore conversions involving
4157 decimal float types.
4159 2006-06-23 Olivier Hainque <hainque@adacore.com>
4161 * tree.c (max_int_size_in_bytes): New function, inspired from
4162 code in function.c:assign_temp.
4163 * tree.h (max_int_size_in_bytes): Declare.
4164 * function.c (assign_temp): Use it.
4165 * gimplify.c (create_tmp_var): Relax the assertions on the type
4166 properties, not mandating constant size any more.
4167 (force_constant_size): New static function.
4168 (gimple_add_tmp_var): Use it, forcing variable size to a
4169 constant upper bound if it is not constant on entry.
4171 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4174 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4175 for initialization and setting of one_only flag to ...
4176 (i386_pe_encode_section_info): ...here.
4177 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4178 Recheck that the symbol has not been defined.
4180 2006-06-23 Richard Guenther <rguenther@suse.de>
4182 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4183 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4184 alignment requests instead. Add verification code.
4185 Add struct tree_function_decl and struct tree_binfo size to
4186 extra_order_size_table. Add missing element to size_lookup
4189 2006-06-22 Roger Sayle <roger@eyesopen.com>
4190 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4193 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4194 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4196 2006-06-23 Ben Elliston <bje@au.ibm.com>
4198 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4199 negate dn -- manipulate it directly.
4201 2006-06-22 Roger Sayle <roger@eyesopen.com>
4202 Steven Bosscher <stevenb.gcc@gmail.com>
4205 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4206 generated by gen_move_insn to add REG_LABEL notes if necessary.
4208 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4210 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4211 (leaf_entry): Remove use of MIN_ESA.
4213 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4215 PR rtl-optimization/28121
4216 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4219 2006-06-21 DJ Delorie <dj@redhat.com>
4221 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4223 (mulhisi3_r): Likewise.
4225 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4228 * coverage.c (coverage_counter_alloc): Leave the index type
4230 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4233 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4235 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4236 section from the "Options for Code Generation Conventions".
4238 2006-06-21 Richard Henderson <rth@redhat.com>
4242 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4244 (global_symbolic_operand): Allow weak symbols, even if local_p.
4246 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4248 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4249 (find_interesting_uses_address): Punt if above function returns true.
4251 2006-06-21 Richard Guenther <rguenther@suse.de>
4253 * configure: Regenerated.
4255 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4257 * config/mips/mips.c (function_arg): Where one part of a
4258 complex argument is in registers and the other part in the stack,
4259 return a REG not a PARALLEL.
4261 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4263 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4264 when cross-compiling. Do not substitute libstdcxx_incdir.
4265 * configure: Regenerated.
4267 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4269 * varasm.c (mergeable_string_section): Check for embedded NULs and
4270 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4271 rather than TREE_STRING_LENGTH bytes.
4273 2006-06-21 Richard Guenther <rguenther@suse.de>
4275 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4276 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4279 2006-06-21 Richrad Guenther <rguenther@suse.de>
4281 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4282 Limit iteration over the dominators.
4284 2006-06-20 Roger Sayle <roger@eyesopen.com>
4286 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4287 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4289 2006-06-20 Richard Guenther <rguenther@suse.de>
4290 Michael Matz <matz@suse.de>
4292 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4294 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4295 * et-forest.h (et_free_pools): Prototype new function.
4296 * et-forest.c (et_free_tree_force): Free parent occurrence.
4297 (et_free_pools): New function.
4298 * dominance.c (free_dominance_info): Free et-forest alloc
4301 2006-06-20 Roger Sayle <roger@eyesopen.com>
4303 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4304 integer modes, attempt to directly construct an integer constant.
4306 * fold-const.c (native_encode_vector): Determine the size of each
4307 element from the vector type instead of the first vector element.
4309 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4310 if all of its elements/components are constant.
4311 (build_constructor_from_list): Likewise.
4313 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4315 PR tree-optimization/27331
4316 * tree-data-ref.c (free_data_ref): New function.
4317 (create_data_ref): Fail if the data reference has unknown access
4319 (free_data_refs): Use free_data_ref.
4321 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4324 * tree-inline.c (setup_one_parameter): Strip useless
4325 type conversion before adding it to the IR.
4326 (declare_return_variable): Likewise.
4328 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4331 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4333 2006-06-19 Mike Stump <mrs@apple.com>
4335 * tree.c (variably_modified_type_p): VM arguments don't make the
4338 2006-06-19 Richard Guenther <rguenther@suse.de>
4340 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4341 type conversions after folding.
4343 2006-06-19 Richard Guenther <rguenther@suse.de>
4345 * ggc-page.c (extra_order_size_tab): Add entries with
4346 size of struct function and basic_block.
4347 (size_lookup): Extend to cover sizes up to 511.
4348 (ggc_alloc_stat): Adjust user.
4349 (ggc_pch_count_object): Likewise.
4350 (ggc_pch_alloc_object): Likewise.
4351 (ggc_pch_write_object): Likewise.
4353 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4355 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4356 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4359 2006-06-19 Denis Chertykov <denisc@overta.ru>
4361 * config/avr/libgcc.S : Correct my wrong previous commit.
4363 2006-06-19 Roger Sayle <roger@eyesopen.com>
4366 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4367 have stripped a SUBREG from the shift count, so we may need to
4368 convert_to_mode back to the type's mode before calling make_tree.
4369 Use new_amount instead of amount to avoid expanding a tree twice.
4371 2006-06-19 Richard Guenther <rguenther@suse.de>
4374 * fold-const.c (operand_equal_p): Check if the argument types
4375 have the same precision before stripping NOPs.
4377 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4379 Fix PR tree-optimization/27341
4380 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4382 * tree-complex.c (pass_lower_complex): Update SMT usage.
4384 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4386 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4387 Add a new alternative to the constraint strings. Add move of
4388 operand 1 to 3 to the splitter definition.
4389 ("doloop_si_long"): Second contraint alternative removed.
4391 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4393 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4394 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4396 (AVR_HAVE_MOVW) Define.
4397 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4398 (ASM_SPEC): Add avr25.
4399 (LINK_SPEC): Add avr25.
4400 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4401 (base_arch_s): Add new member 'have_movw_lpmx'.
4402 (avr_arch_types): Init 'have_movw_lpmx'.
4403 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4404 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4405 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4406 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4407 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4409 (avr_file_start): Do not output '.arh' derective.
4410 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4411 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4412 * config/avr/avr.md (mcu_enhanced): Delete.
4413 (mcu_have_movw): Define.
4414 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4415 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4416 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4417 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4418 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4419 attiny861 and at86rf401 devices.
4421 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4423 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4426 2006-06-17 Karl Berry <karl@gnu.org>
4428 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4429 doc/gccint.texi, doc/install.texi (@dircategory): Use
4430 "Software development" instead of "Programming", following
4431 the Free Software Directory.
4433 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4435 * config/i386/i386.c (legitimate_tls_address)
4436 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4437 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4438 (*tls_dynamic_gnu2_combine_64): Likewise.
4440 2006-06-16 Richard Guenther <rguenther@suse.de>
4443 * fold-const.c (negate_expr_p): Do not introduce undefined
4444 overflow in negating INTEGER_CSTs.
4445 (fold_negate_expr): Rename from negate_expr. Revert last
4446 change for folding BIT_NOT_EXPR. Change semantics to
4447 return NULL_TREE for non-simplified negations. Do not
4448 strip type conversions and unify type handling.
4449 (negate_expr): New function, wrap around fold_negate_expr
4450 but ensure building a tree always. Strip type conversions
4451 here, fold to result type.
4452 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4454 2006-06-16 Roger Sayle <roger@eyesopen.com>
4457 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4458 that (would) return their results in stack registers.
4460 2006-06-16 Michael Matz <matz@suse.de>
4461 Richard Guenther <rguenther@suse.de>
4463 * fold-const.c (fold_truthop): Only return new tree node if
4464 we canonicalized something.
4466 2006-06-16 Richard Guenther <rguenther@suse.de>
4468 * function.h (enum function_frequency): Move declaration
4469 out of struct function.
4470 (struct function): Move bool fields and the enum to the bitfield
4471 section. Reorder elements to avoid padding. Remove unused
4472 fields left over from the RTL inliner removal.
4473 * function.c (free_after_compilation): Do not zero removed fields.
4474 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4475 (ipa-type-escape.o): Likewise.
4477 2006-06-16 Richard Guenther <rguenther@suse.de>
4479 * cgraph.h (struct cgraph_local_info): Turn bool elements
4481 (struct cgraph_node): Likewise.
4482 (struct cgraph_varpool_node): Likewise.
4484 2006-06-15 Richard Guenther <rguenther@suse.de>
4486 * fold-const.c (fold_truth_not_expr): Rename from
4487 invert_truthvalue. Give it fold_* semantics to avoid
4489 (invert_truthvalue): New function. Wrapper around
4490 fold_truth_not_expr.
4491 (optimize_minmax_comparison): Avoid creating garbage.
4492 (fold_unary): Use fold_truth_not_expr for folding
4494 (fold_ternary): Replace uses of invert_truthvalue with
4495 fold_truth_not_expr where applicable.
4496 * tree.h (fold_truth_not_expr): Prototype.
4498 2006-06-16 Richard Guenther <rguenther@suse.de>
4500 PR tree-optimization/27781
4501 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4502 * ipa-pure-const.c (target.h): Include.
4503 (analyze_function): Do not analyze functions that do not
4506 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4509 * tree-dfa.c (referenced_vars_dup_list): Remove.
4510 (find_referenced_vars): Remove assert.
4511 (referenced_var_check_and_insert): Replace dup list with assert.
4512 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4513 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4515 2006-06-15 Richard Guenther <rguenther@suse.de>
4517 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4518 extra unused identifiers if not dumping.
4519 (create_variable_info_for): Likewise.
4521 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4523 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4524 (derive_constant_upper_bound): Derive more precise upper bound in
4525 common cases. Return type changed to double_int.
4526 (record_estimate): Reflect the changed return type of
4527 derive_constant_upper_bound.
4528 * double-int.c (double_int_zext, double_int_sext): Fix.
4530 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4532 * configure.ac (CFLAGS): Get them from the toplevel or from the
4533 configure invocation.
4534 * configure: Regenerate.
4535 * Makefile.in (CFLAGS): Substitute value provided by configure.
4537 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4540 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4541 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4542 rather than calling add_stmt on it.
4543 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4545 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4548 * reload1.c (reload): Remove registers returned by update_eliminables
4549 from used_spill_regs.
4551 2006-06-13 DJ Delorie <dj@redhat.com>
4553 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4555 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4557 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4558 html__strip_dir, html__mkdir_p. Enhance install-html target.
4559 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4560 * configure: Regenerate.
4562 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4564 * fold-const.c (fold_cond_expr_with_comparison): Check for
4565 Objective-C++ as language in deciding COND_EXPR transformation.
4567 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4570 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4571 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4572 * config/sh/lib1funcs.h (SL, SL1): Define.
4573 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4574 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4575 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4576 (OBJS_Os_4_200): New variable.
4577 ($(T)libgcc-Os-4-200.a): Use it.
4578 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4579 when dividing 1 and/or by 0.
4581 2006-06-13 Roger Sayle <roger@eyesopen.com>
4583 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4584 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4585 * configure: Regenerate.
4587 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4589 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4590 for real instruction.
4592 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4595 * haifa-sched.c (check_cfg): Handle special case.
4597 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4600 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4601 Add debug_info parameter. Chain the vars to the BLOCK instead
4602 of the BIND_EXPR if debug info are requested for them.
4603 (pop_gimplify_context): Adjust for above change.
4604 (gimple_add_tmp_var): Likewise.
4605 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4607 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4608 (convert_local_reference): Likewise.
4609 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4610 (finalize_nesting_tree_1): Request that debug info be emitted
4611 for debug_var_chain.
4613 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4615 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4616 for PR target/27863.
4618 2006-06-13 Richard Guenther <rguenther@suse.de>
4621 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4623 2006-06-13 Richard Guenther <rguenther@suse.de>
4625 PR tree-optimization/27830
4626 * tree-inline.c (copy_body_r): For copying the operand
4627 of an ADDR_EXPR make sure to fold &* afterwards.
4629 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4631 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4632 lvalues in the fb_none case with side-effects.
4634 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4636 * tree-flow.h: Remove the prototype for
4637 compute_phi_arg_on_exit.
4638 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4639 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4642 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4644 * builtins.c (expand_builtin_return_addr): Only use
4645 frame_pointer_rtx when count == 0 and we are expanding
4646 __builtin_return_address.
4648 2006-06-12 Fred Fish <fnf@specifix.com>
4650 * config/mips/mips.c (mips_file_start): Create special section
4651 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4653 2006-06-11 Eric Christopher <echristo@apple.com>
4656 * stor-layout.c (place_field): Remove check for
4657 remaining_in_alignment when aligning at the end of a run.
4659 2006-06-11 Eric Christopher <echristo@apple.com>
4662 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4665 2006-06-11 Roger Sayle <roger@eyesopen.com>
4668 Revert incorrect fix for PR target/27158
4669 2006-05-08 Roger Sayle <roger@eyesopen.com>
4670 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4671 of a reg_equiv_constant if the result is a legitimate constant.
4673 2006-06-11 Roger Sayle <roger@eyesopen.com>
4676 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4677 extract a CONST_VECTOR element and interpret it as an integer.
4678 (vspltis_constant): Use const_vector_elt_as_int instead of the
4679 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4680 * config/rs6000/predicates.md (easy_vector_const): Consider
4681 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4683 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4686 * stor-layout.c (update_alignment_for_field): Don't add extra
4687 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4690 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4692 * config/mips/t-rtems: Add EL/EB multilib variants.
4694 2006-06-09 Mike Stump <mrs@apple.com>
4696 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4698 2006-06-09 David Daney <ddaney@avtrex.com>
4700 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4702 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4704 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4706 2006-06-09 Richard Guenther <rguenther@suse.de>
4708 PR tree-optimization/26998
4709 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4710 of signed types, only TYPE_MIN_VALUE is special, but for both,
4711 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4712 in this case, as is -fwrapv.
4714 2006-06-08 Mike Stump <mrs@apple.com>
4717 * config/darwin.c (darwin_asm_output_anchor): Disable
4718 -fsection-anchors on darwin for now.
4719 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4720 * rs6000/rs6000.c (optimization_options): Likewise.
4722 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4725 * config/i386/i386.c (classify_argument): Skip fields with invalid
4728 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4730 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4731 (cse_insn): Likewise for the stack_pointer_rtx.
4733 2006-06-08 Roger Sayle <roger@eyesopen.com>
4735 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4736 conditions from floating point comparisons.
4738 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4741 * expmed.c (struct alg_hash_entry): Fix type of field T
4742 to match synth_mult argument.
4743 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4745 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4748 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4751 2006-06-08 Richard Guenther <rguenther@suse.de>
4754 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4755 only, if overflow is defined and not trapping.
4756 (negate_expr): Likewise.
4758 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4760 PR tree-optimization/27872
4761 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4762 flag on the new exit edge of the unrolled loop.
4764 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4766 PR rtl-optimization/26449
4767 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4769 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4772 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4773 referenced_variables with matching DECL_UID's.
4774 (find_referenced_vars): Make sure duplicate list is empty to start.
4775 (referenced_var_p): Remove.
4776 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4777 Check if var is in the list, and add if needed. Update the duplicate
4778 list if a different var is in the list with the same DECL_UID.
4779 (add_referenced_var): Call routine to check and insert.
4780 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4781 * tree-flow.h (referenced_vars_dup_list): External declaration.
4783 2006-06-07 Fred Fish <fnf@specifix.com>
4785 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4788 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4791 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4792 the imaginary and real parts of a clobbered register.
4793 Emit insn to set the imaginary part.
4795 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4797 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4798 in lieu of unwind-dw2-fde.c.
4800 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4802 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4804 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4807 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4808 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4809 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4810 V4SImode temporaries and operations instead.
4812 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4814 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4817 2006-06-06 Mike Stump <mrs@apple.com>
4819 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4820 installing during build.
4822 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4824 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4826 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4827 * config/ia64/ia64.c (params.h): New header.
4828 (ia64_optimization_options): New function to adjust parameters.
4829 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4830 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4831 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4833 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4835 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4837 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4840 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4842 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4843 Victor Kaplansky <victork@il.ibm.com>
4845 PR tree-optimization/26360
4846 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4849 2006-06-04 Roger Sayle <roger@eyesopen.com>
4850 Andrew Pinski <pinskia@physics.uc.edu>
4853 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4854 for LABEL_DECL before calling DECL_WEAK.
4857 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4858 LABEL_DECL and PARM_DECL.
4860 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4864 * c-decl.c (grokdeclarator): Disallow variably modified types at
4865 file scope. Avoid marking shared array type of constant size as
4868 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4871 * c-common.c (fold_offsetof_1): Handle static members.
4873 2006-06-04 Eric Christopher <echristo@apple.com>
4875 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4876 (debug_rli): Output value for remaining_in_alignment.
4877 (update_alignment_for_field): Unconditionalize
4878 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4879 extra alignment code.
4880 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4881 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4882 * tree.h (record_layout_info_s): Remove prev_packed.
4883 * doc/extend.texi (ms_struct): Add documentation of format.
4885 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4887 * tree.h: Declare folding_initializer.
4888 * builtins.c (fold_builtin_constant_p): Give definite answer
4889 if folding inside an initializer.
4890 * fold-const.c: Define folding_initializer.
4891 (START_FOLD_INIT): Save and then set folding_initializer.
4892 (END_FOLD_INIT): Restore folding_initializer.
4894 2006-06-04 Richard Guenther <rguenther@suse.de>
4896 PR tree-optimization/27039
4897 * fold-const.c (fold_comparison): Handle pointer comparison
4898 again for all comparison codes. Compare offsets in signed
4900 (fold_binary): Move code from here.
4902 2006-06-03 Roger Sayle <roger@eyesopen.com>
4905 * config/i386/i386.c (construct_container): Split static issued_error
4906 flag into issued_sse_arg_error, issued_sse_ret_error and
4907 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4908 requires the use of x87 registers and the user explicitly
4909 specified the -mno-80387 command line option.
4911 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4913 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4914 HAVE_DECL_SIGALTSTACK.
4916 (segv_handler): Use MC_FLD.
4917 * configure.ac: Check for a sigaltstack declaration.
4918 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4919 * configure: Regenerate.
4920 * config.in: Regenerate.
4922 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4925 * Makefile.in (stmp-fixinc): Fix typo.
4927 2006-06-02 Roger Sayle <roger@eyesopen.com>
4929 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4930 are type correct. Clean-up.
4931 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4932 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4934 2006-06-01 DJ Delorie <dj@redhat.com>
4936 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4937 shift, as we've disabled the "switch" insn that needs it.
4939 2006-06-01 Per Bothner <bothner@bothner.com>
4941 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4942 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4943 * c-ppoutput.c (cb_define): Don't increment line 0.
4945 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4947 * doc/invoke.texi: Add cpu_type power6.
4948 * config.gcc: Add cpu_type power6.
4949 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4950 to power5+ with Altivec.
4951 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4952 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4954 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4956 * config/avr/avr.h (SET_ASM_OP): Define.
4958 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4960 * config/bfin/bfin.c: Fix comment typos.
4962 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4965 * doc/install.texi: Document --enable-bootstrap and
4966 --disable-bootstrap.
4968 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4970 * doc/install.texi: Document that InfoZIP can replace jar.
4972 2006-05-31 Roger Sayle <roger@eyesopen.com>
4974 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4975 isn't available, directly generate the simpler x87 patterns without
4976 the (use (const_int 0)).
4977 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4978 implementation isn't available.
4979 (*negdf2_1): Likewise.
4980 (*negxf2_1): XF mode negation is always done using the x87.
4981 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4983 2006-05-31 Roger Sayle <roger@eyesopen.com>
4985 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4986 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4988 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4990 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4992 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4993 * config/bfin/bfin.c (basic-block.h): Include.
4994 (struct machine_function): New.
4995 (bfin_init_machine_status): New.
4996 (override_options): Initialize init_machine_status.
4997 (bfin_hardware_loop): New.
4998 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4999 (DEF_VEC_P (loop_info)): New.
5000 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5001 (struct loop_info): New.
5002 (loop_info): New typedef.
5003 (struct loop_work): New.
5004 (loop_work): New typedef.
5005 (DEF_VEC_O (loop_work)): New.
5006 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5007 (bfin_dump_loops): New.
5008 (bfin_bb_in_loop): New.
5009 (bfin_scan_loop): New.
5010 (bfin_optimize_loop): New.
5011 (bfin_reorg_loops): New.
5012 (bfin_reorg): Use bfin_reorg_loops.
5013 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5015 (I_REGNO_P): Simplify.
5016 (DP_REGNO_P, DPREG_P): New macros.
5017 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5018 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5019 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5020 Add LT_REGS, LC_REGS, LB_REGS.
5021 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5023 (REGNO_REG_CLASS): Deal with loop registers.
5024 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5026 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5027 New constants for loop registers.
5028 (UNSPEC_LSETUP_END): New.
5029 (seq_insns): New define_attr. Set it for appropriate insns.
5030 (movsi_insn): Add alternatives for move from/to
5031 loop count registers.
5032 (doloop_end): New define_expand.
5033 (loop_end): New define_insn.
5034 (define_split for bad doloop_end): New.
5035 (lsetup_with_autoinit): New define_insn.
5036 (lsetup_without_autoinit): New define_insn.
5037 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5038 * config/bfin/predicates.md (lc_register_operand): New.
5039 (lt_register_operand): New.
5040 (lb_register_operand): New.
5041 (nondp_register_operand): New.
5042 (nondp_reg_or_memory_operand): New.
5043 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5045 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5047 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5048 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5050 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5052 * Makefile.in (CATALOGS): Add po/ prefix.
5053 * configure: Regenerated.
5055 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5058 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5059 a shift operand before calling shift_op. Avoid redundant call of
5062 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5063 DJ Delorie <dj@redhat.com>
5065 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5066 we're inserting is a singlt-bit constant.
5068 2006-05-30 Roger Sayle <roger@eyesopen.com>
5070 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5071 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5073 2006-05-30 Roger Sayle <roger@eyesopen.com>
5075 PR tree-optimization/23452
5076 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5077 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5078 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5079 complex values and with -ffast-math for FP complex values.
5081 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5083 * c-common.h: Remove the prototype for yyparse.
5084 * rtl.h: Remove the prototype for init_loop.
5086 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5088 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5091 2006-05-30 Roger Sayle <roger@eyesopen.com>
5093 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5095 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5096 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5098 2006-05-30 Dirk Mueller <dmueller@suse.de>
5101 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5102 for CONSTANT_CLASS_P expresisons.
5104 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5107 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5109 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5111 PR tree-optimization/27779
5112 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5113 initial_condition instead of CHREC_LEFT.
5115 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5117 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5118 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5119 Make prototypes ISO C90.
5121 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5122 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5124 * see.c (see_analyze_one_def): Correct check.
5125 (see_get_extension_data): Check if extension is parallel.
5126 (see_get_extension_reg): Likewise.
5128 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5131 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5132 into register for (code == GTU).
5134 2006-05-29 Roger Sayle <roger@eyesopen.com>
5136 PR tree-optimization/24964
5137 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5138 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5139 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5140 abs(x)*abs(x) as x*x for scalar floating point modes.
5142 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5145 * lambda-code.c (perfect_nestify): Don't copy statements
5146 in the inner loop: move them to the inner loop header.
5148 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5151 * c-tree.texi: Document OpenMP directives and clauses.
5153 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5155 * varasm.c (globalize_decl): Fix indentation.
5157 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5160 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5161 pass_fre, pass_store_ccp, pass_copy_prop,
5162 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5163 pass_return_slot, pass_object_size, pass_lim,
5164 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5165 pass_loop_prefetch and pass_stdarg.
5167 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5169 * config/bfin/bfin.opt (mfdpic): New option.
5170 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5171 (EXTRA_MULTILIB_PARTS): Likewise.
5172 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5173 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5175 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5176 (CRT_CALL_STATIC_FUNCTION): New.
5177 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5179 (CRT_CALL_STATIC_FUNCTION): New.
5180 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5182 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5183 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5184 (initialize_trampoline): Changed to handle FD-PIC code generation.
5185 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5186 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5187 (override_options): Disallow -mid-shared-library -mfdpic combination.
5188 Can't do unaligned ops if FD-PIC.
5189 Turn off flag_pic if trying to generate non-id-shared-library
5190 non-fdpic code, since it's not supported.
5191 (bfin_assemble_integer): New function.
5192 (TARGET_ASM_INTEGER): Define.
5193 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5195 * config/bfin/crtn.s: Restore them.
5196 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5198 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5199 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5200 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5201 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5202 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5204 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5205 FDPIC_REGS and FDPIC_FPTR_REGS.
5206 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5207 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5208 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5209 (load_funcdescsi): New pattern.
5210 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5211 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5212 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5214 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5216 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5219 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5221 * tree-flow.h: Remove the prototype for add_type_alias.
5222 * tree-ssa-alias.c (add_type_alias): Remove.
5224 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5226 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5227 config/fr30/fr30.md, config/i386/i386-interix.h,
5228 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5229 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5230 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5231 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5232 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5233 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5234 Follow spelling conventions.
5235 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5236 Follow spelling conventions.
5238 2006-05-27 Richard Guenther <rguenther@suse.de>
5241 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5242 to produce a constant of value 1 of generic type.
5244 2006-05-27 Dirk Mueller <dmueller@suse.de>
5246 * cgraphunit.c (decide_is_function_needed): Fix wrong
5249 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5251 PR rtl-optimization/27661
5252 * reload.c (find_reloads): When reloading a VOIDmode constant
5253 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5254 use Pmode as mode of the reload register.
5256 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5258 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5259 is enabled at -O and above.
5261 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5264 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5267 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5270 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5271 for anonymous variables explicitly declared by front ends.
5273 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5275 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5276 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5277 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5278 ref-all pointers, run a finalization pass for them.
5279 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5280 (finalize_ref_all_pointers): New function.
5281 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5282 regular pointer type to a ref-all pointer type.
5283 (get_tmt_for): Return the special memory tag for ref-all pointers.
5285 2006-05-25 Richard Guenther <rguenther@suse.de>
5288 * fold-const.c (fold_binary): Do not look at the stripped
5289 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5291 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5293 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5294 for LT and GT if the computed range is effectively empty.
5296 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5299 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5300 mips_quad_format formats instead of ieee_single_format,
5301 ieee_double_format and ieee_quad_format formats, respectively.
5303 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5305 PR tree-optimization/27639
5306 PR tree-optimization/26719
5307 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5308 call to scev_probably_wraps_p.
5309 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5310 used_in_pointer_arithmetic_p, convert_step): Removed.
5311 (nowrap_type_p): New function.
5312 (scev_probably_wraps_p): Rewritten.
5313 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5314 chrec_convert if chrec_convert_aggressive might have been used.
5315 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5316 scev_direction): New functions.
5317 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5318 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5319 instead of convert_step.
5320 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5321 (convert_step): Declaration removed.
5322 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5324 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5326 * df-core.c: Added to header comments.
5327 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5328 df_ur_bb_info, df_urec_bb_info): Added comments.
5329 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5330 urec, ri problems): Fixed header comments.
5331 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5332 code from df_rd_transfer_function.
5334 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5336 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5337 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5338 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5340 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5342 * expr.c (undefined_operand_subword_p): New.
5343 (emit_move_multi_word): Do not generate move from undefined bits
5344 of a paradoxical subreg.
5346 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5348 PR rtl-optimization/27736
5349 * combine.c (replaced_rhs_value): New variable.
5350 (combine_instructions): Set it.
5351 (distribute_notes): When distributing a note in replaced_rhs_insn,
5352 check whether the value was used in replaced_rhs_value.
5354 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5357 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5358 add_referenced_var instead of add_referenced_tmp_var.
5359 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5360 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5362 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5363 tree_optimize_tail_calls_1): Use add_referenced_var.
5364 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5365 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5366 Use add_referenced_var.
5367 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5368 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5369 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5370 Use add_referenced_var.
5371 * tree-dfa.c (struct walk_state): Remove.
5372 (find_referenced_vars): Remove walk state and vars_found hash table.
5373 (make_rename_temp): Use add_referenced_var.
5374 (find_vars_r): Pass less parameters to add_referenced_var.
5375 (referenced_var_p): New. Is var in referenced_var hash table.
5376 (referenced_var_insert): Assert var isn't already in hash table.
5377 (add_referenced_var): Don't need walk_state parameter. Add var if it
5378 isn't already in the hash table.
5379 (add_referenced_tmp_var): Remove.
5380 (find_new_referenced_vars_1): Use add_referenced_var.
5381 * tree-ssa-pre.c (create_expression_by_pieces,
5382 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5383 Use add_referenced_var.
5384 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5385 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5386 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5388 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5389 vect_create_data_ref_ptr, vect_create_destination_var,
5390 vect_init_vector, vect_build_loop_niters,
5391 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5392 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5393 Use add_referenced_var.
5394 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5395 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5396 (add_referenced_var): Add prototype.
5397 * tree-ssa-structalias.c (get_constraint_for,
5398 intra_create_variable_infos): Use add_referenced_var.
5400 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5402 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5403 big-endian paradoxical subregs.
5404 * var-tracking.c (struct micro_operation_def): Document that,
5405 for modify micro operations, insn is the subsequent instruction.
5406 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5407 (var_reg_set, var_mem_set): ... new functions.
5408 (add_stores): Record subsequent insn.
5409 (compute_bb_dataflow): Use new functions for MO_USE.
5410 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5411 notes after the insn, and modify notes before the insn known
5412 to be the subsequent one.
5413 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5415 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5418 * config/i386/i386.c (ix86_expand_builtin): Use
5419 gen_sse3_monitor64 for TARGET_64BIT.
5421 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5423 PR rtl-optimization/26375
5424 PR rtl-optimization/26855
5425 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5427 (df_ru_bb_local_compute): Reversed statements and removed bogus
5428 comment explaining why they should be in wrong order.
5429 (df_ru_dump, df_rd_dump): Enhanced debug info.
5430 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5432 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5433 reaching uses and fixed space problem.
5435 2006-05-23 Jan Hubicka <jh@suse.cz>
5437 * cgraphunit.c (decide_is_function_needed): Also nested functions
5438 and functions declared inline can be optimized out at -O0.
5440 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5442 * doc/install.texi (Configuration): Remove reference to CrossGCC
5446 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5449 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5450 ix86_compare_emitted is non-NULL.
5452 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5455 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5458 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5460 PR rtl-optimization/25514
5461 * combine.c (replaced_rhs_insn): New variable.
5462 (combine_instructions): Set replaced_rhs_insn when trying to replace
5463 a SET_SRC with a REG_EQUAL note.
5464 (distribute_notes): Use replaced_rhs_insn when determining the live
5465 range of a REG_DEAD register.
5467 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5468 Anatoly Sokolov <aesok@post.ru>
5470 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5471 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5472 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5473 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5474 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5475 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5476 at90usb647, at90usb1286 and at90usb1287 devices.
5477 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5478 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5480 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5482 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5484 2006-05-22 Richard Guenther <rguenther@suse.de>
5487 2006-01-31 Richard Guenther <rguenther@suse.de>
5488 Paolo Bonzini <bonzini@gnu.org>
5490 * doc/install.texi (--disable-libgcc-math): Document.
5492 2006-05-22 Richard Guenther <rguenther@suse.de>
5495 2006-01-31 Richard Guenther <rguenther@suse.de>
5497 * doc/invoke.texi (-msselibm): Document.
5498 * target.h (expand_library_builtin): New target hook.
5499 * builtins.c (expand_builtin): Use expand_library_builtin.
5500 (default_expand_library_builtin): New function.
5501 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5502 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5503 (link_gcc_math_spec): Declare.
5504 (static_specs): Add link_gcc_math_spec.
5505 * expr.h (default_expand_library_builtin): Declare.
5506 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5507 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5508 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5509 * config/i386/i386.opt (msselibm): New target option.
5510 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5511 (ix86_init_sse_abi_builtins): New function.
5512 (ix86_expand_library_builtin): Likewise.
5513 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5514 (override_options): Handle error conditions wrt -msselibm.
5515 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5516 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5517 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5520 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5523 * c-common.c (self_promoting_args_p): Skip erroneous args.
5526 * c-decl.c (finish_struct): Skip erroneous fields.
5528 2006-05-22 Nick Clifton <nickc@redhat.com>
5530 * config/cris/cris.opt (march): Remove VarExists attribute.
5531 (max-stackframe=): Likewise.
5533 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5535 * doc/rtl.texi: Fix a typo.
5536 * see.c: Fix comment typos.
5538 * tree-ssa-structalias.h (alias_info): Remove num_references.
5540 2006-05-21 Mike Stump <mrs@apple.com>
5542 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5544 (darwin_pragma_options): Use BAD instead.
5545 (darwin_pragma_unused): Likewise.
5546 (darwin_pragma_ms_struct): Likewise.
5548 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5550 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5552 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5554 PR rtl-optimization/27671
5555 * simplify-rtx.c (simplify_relational_operation_1): Fix
5556 simplifications of (eq/ne (xor x y) y) and
5557 (eq/ne (xor x y) x).
5559 PR tree-optimization/26622.
5560 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5563 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5565 * tree-cfg.c: Prune whitespace.
5566 (debug_tree_cfg): Point to correct header containing the
5569 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5572 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5574 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5577 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5578 or sorry count is non zero.
5580 2006-05-20 Andreas Schwab <schwab@suse.de>
5582 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5584 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5585 Kenneth Zadeck <zadeck@naturalbridge.com>
5587 PR rtl-optimization/26855
5589 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5591 (df_scan_alloc): Added code to properly handle multiword hard
5592 registers and add all_blocks parameter.
5593 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5594 code to properly handle multiword hard registers.
5595 (df_rescan_blocks): Added code to remove deleted blocks from
5597 (df_ref_create_structure, df_ref_record): Added code to properly
5599 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5600 and set DF_REF_PARTIAL.
5601 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5602 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5603 (df_scan_add_problem): Added flags parameter.
5604 (df_ref_create_structure): Changed switching structure.
5605 (df_bb_refs_record): Fixed case where duplicate artificial refs
5606 were created. Changed location of flags.
5607 (df_record_entry_block_defs): Added code to make stack pointer
5608 live in entry block. Refined cases where frame pointer is needed.
5609 Changed location of flags.
5610 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5611 (df_set_state): Removed function.
5612 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5613 df_insn_create_insn_record, df_insn_refs_delete,
5614 df_ref_create_structure): Formatting changes.
5615 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5616 df_delete_basic_block): New function.
5617 (df_init): Changed location of flags.
5618 (df_add_problem): Added flags parameter and the way flags are
5620 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5621 debug_df_chain): Improved debugging output.
5622 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5623 (df_refs_chain_dump): Removed df parameter.
5624 (df_iterative_dataflow): Added consistency check.
5625 (df_prune_to_subcfg): Made public.
5626 (df_analyze_problem): Added blocks_to_init parameter and made
5628 (df_ref_record, df_bb_refs_record, df_mark_reg,
5629 df_record_exit_block_uses): Whitespace changes.
5630 (df_dump): Whitespace changes.
5631 * df.h: Some reordering to remove forward references.
5632 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5633 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5634 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5635 (dataflow.flags): New field.
5636 (df.flag): Deleted field.
5637 (df_alloc_function): Added additional bitmap parameter.
5638 (df_dependent_problem_function): New type.
5639 (df_problem.changeable_flags): New field.
5640 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5641 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5642 (df_mw_hardreg): New struct.
5643 (DF_INSN_UID_MWS): New macro.
5644 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5646 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5647 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5648 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5649 (df_set_state): Removed function.
5650 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5651 * df-problems.c (df_chain_dump): Removed df parameter.
5652 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5653 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5655 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5656 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5657 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5658 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5659 DF_REF_MUST_CLOBBER cases.
5660 (df_ru_bb_local_compute_process_def,
5661 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5662 df_lr_bb_local_compute, df_ur_bb_local_compute,
5663 df_chain_create_bb): Made subreg aware.
5664 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5665 df_lr_bb_local_compute, df_lr_bb_local_compute,
5666 df_chain_create_bb): Cleanup to use proper macros.
5667 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5668 code to fixup bitvectors.
5669 (df_ri_alloc): Cleared lifetime.
5670 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5671 df_create_unused_note): New function.
5672 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5673 REG_DEAD and REG_UNUSED notes as well as register information.
5674 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5675 df_chains_dump): Fixed crash if problem was never run.
5676 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5677 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5678 df_ri_add_problem): Processes flags in uniform manner.
5679 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5680 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5681 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5682 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5683 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5684 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5685 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5686 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5687 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5688 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5689 * see.c (see_initialize_data): Ditto.
5690 * final.c (rest_of_clean_state) Added regstack_completed.
5691 * rtl.h (regstack_completed): Ditto.
5692 * reg-stack.c (regstack_completed): Ditto.
5694 2006-05-19 Mike Stump <mrs@apple.com>
5696 * c-tree.h (default_conversion): Remove.
5697 * c-common.h (default_conversion): Add.
5699 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5701 * tree-vrp.c (valid_value_p): New function.
5702 (adjust_range_with_scev): Fail if the value of bound is not
5705 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5707 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5708 (mips_fallback_frame_state): Use syscall numbers to determine
5709 the appropriate li instruction for the current ABI. Only use
5710 __NR_sigreturn for o32.
5712 2006-05-19 Nicolas Setton <setton@adacore.com>
5714 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5715 * langhooks.c (lhd_dwarf_name): New function.
5716 * langhooks-def.h (lhd_dwarf_name): Declare.
5717 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5718 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5719 * ada/misc.c (gnat_dwarf_name): New function.
5720 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5722 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5724 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5726 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5727 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5728 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5729 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5730 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5731 determine the size of Wtype, etc.
5732 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5733 (swfloatfuncs): New variable.
5734 (dwfloatfuncs): Likewise.
5735 (lib2funcs): Remove floating-point conversion functions from
5736 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5737 the set of conversion routines needed. Allow entries to specify
5738 an object name, filename and word size. Update users accordingly.
5739 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5740 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5744 2006-02-08 Roger Sayle <roger@eyesopen.com>
5747 * config/fixtfdi.c: New libgcc source file.
5748 * config/fixunstfdi.c: New source file.
5749 * config/floatditf.c: New source file.
5750 * config/floatunditf.c: New souce file.
5751 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5752 files above instead of config/mips/_tilib.c.
5753 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5755 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5757 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5758 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5760 2006-05-18 Mike Stump <mrs@apple.com>
5762 Fix up vla, vm and [*] sematics.
5768 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5769 (c_vla_unspec_p): Add.
5770 (c_vla_type_p): Add.
5771 * c-decl.c (struct c_scope): Add had_vla_unspec.
5772 (build_array_declarator): Add support for [*].
5773 (grokdeclarator): Likewise.
5774 (grokparms): Likewise.
5775 (get_parm_info): Likewise.
5776 * c-objc-common.c (c_vla_unspec_p): Likewise.
5777 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5778 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5779 typeof when argument is a variably modified type not inside sizeof or alignof.
5780 (c_parser_direct_declarator_inner): Propagate errors.
5781 (c_parser_sizeof_expression): Add support for [*].
5782 (c_parser_parms_declarator): Initialize had_vla_unspec.
5783 (c_parser_parms_list_declarator): Likewise.
5784 * c-typeck.c (c_vla_type_p): Add.
5785 (composite_type): Add support for vla compositing.
5786 (comptypes_internal): Add support for vla compatibility.
5787 (c_expr_sizeof_expr): Evaluate vla arguments.
5788 * tree.c (variably_modified_type_p): Update comment for [*].
5790 2006-05-18 Michael Matz <matz@suse.de>
5793 * config.host: Make assignments to host_xmake_file cumulative.
5794 * config.host (*-darwin*): Test $host, not $target.
5796 2006-05-12 Stuart Hastings <stuart@apple.com>
5798 * config/i386/i386.opt (-mstackrealign): New flag.
5799 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5800 (ix86_handle_cconv_attribute): Emit error when
5801 force_align_arg_pointer attribute collides with too many regparms.
5802 (ix86_function_regparm): Limit regparms when used with
5803 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5804 Support stack-realigning prologue in non-main functions. Emit
5805 warning for nested functions under -mstackrealign, emit error for
5806 nested functions with force_align_arg_pointer attribute.
5807 * doc/extend.texi (force_align_arg_pointer): Document it.
5808 * doc/invoke.texi (-mstackrealign): Document it.
5810 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5812 PR rtl-optimization/27477
5813 * combine.c (try_combine): Don't split a parallel consisting
5814 of two sets into two individual sets if both sets reference
5817 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5819 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5820 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5822 * doc/options.texi (VarExists): Updated.
5824 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5826 * unwind-dw2.c: Add declarations for uw_update_context and
5828 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5829 detected, advance frame state and context once to skip over stub.
5831 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5835 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5836 Call rewrite_into_loop_closed_ssa only when something changed.
5837 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5838 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5839 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5840 Test for perfect_nest_p here. Fix formating.
5841 (replace_uses_equiv_to_x_with_y): Fix formating.
5842 (stmt_uses_op): Removed.
5843 (can_convert_to_perfect_nest): Removed loopivs parameter.
5844 Complete the test by checking the scalar dependences.
5845 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5848 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5851 From Dan Kegel <dank@kegel.com>:
5852 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5854 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5856 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5857 if the element type is variably modified without recursing.
5859 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5862 * tree-loop-linear.c (try_interchange_loops): Test for
5863 no data dependences.
5865 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5867 PR tree-optimization/27548
5868 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5869 range of ssa names that appear on abnormal edges.
5870 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5871 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5873 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5876 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5878 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5881 * tree.h (OMP_PARALLEL_COMBINED): Define.
5882 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5883 (new_omp_context): Add is_combined_parallel argument.
5884 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5885 new_omp_context caller.
5886 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5887 Adjust gimplify_scan_omp_clauses callers.
5888 (omp_is_private): Issue errors if iteration variable is firstprivate
5889 or reduction in the current context.
5890 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5891 on combined parallel workshare constructs.
5893 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5895 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5896 (gcc-options.o): New rule.
5898 * optc-gen.awk: Protect variables for gcc-options.o with
5899 #ifdef GCC_DRIVER/#endif.
5901 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5903 Fix PR tree-optimization/27373
5904 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5905 (forward_propagate_addr_expr): Update call.
5907 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5909 * doc/options.texi: Move the Negative option.
5911 2006-05-16 Richard Guenther <rguenther@suse.de>
5913 PR tree-optimization/22303
5914 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5916 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5917 ccp_fold did not simplify the statement.
5919 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5922 * Makefile.in (GCC_OBJS): New.
5923 (OBJS-common): Add opts-common.o.
5924 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5925 (cpp$(exeext)): Likewise.
5926 (gcc.o): Also depend on opts.h.
5927 (opts-common.o): New.
5929 * common.opt (gcoff): Add Negative(gdwarf-2).
5930 (gdwarf-2): Add Negative(gstabs).
5931 (gstabs): Add Negative(gstabs+).
5932 (gstabs+): Add Negative(gvms).
5933 (gvms): Add Negative(gxcoff).
5934 (gxcoff): Add Negative(gxcoff+).
5935 (gxcoff+): Add Negative(gcoff).
5936 * config/i386/i386.opt (m32): Add Negative(m64).
5937 (m64): Add Negative(m32).
5939 * doc/options.texi: Document the Negative option.
5941 * gcc.c: Include "opts.h".
5942 (main): Call prune_options after expandargv.
5944 * optc-gen.awk: Generate common declarations for all flag
5945 variables in options.c. Output the neg_index field.
5947 * opts.c (find_opt): Moved to ...
5948 * opts-common.c: Here. New file.
5950 * opts.h (cl_option): Add a neg_index field.
5952 (prune_options): Likewise.
5954 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5957 * omp-low.c (expand_omp_parallel): Don't assert
5958 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5959 instead search for it.
5962 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5965 2006-05-16 Andreas Schwab <schwab@suse.de>
5967 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5970 2006-05-15 Roger Sayle <roger@eyesopen.com>
5973 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5974 integer constants other than zero are only legitimate on TARGET_64BIT.
5975 <CONST_VECTOR> Only zero vectors are legitimate.
5976 (ix86_cannot_force_const_mem): Integral and vector constants can
5977 always be put in the constant pool.
5979 2006-05-16 DJ Delorie <dj@redhat.com>
5981 * crtstuff.c (__dso_handle): Set section from
5982 TARGET_LBIGCC_SDATA_SECTION if defined.
5983 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5984 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5986 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5989 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5992 2006-05-16 Ben Elliston <bje@au.ibm.com>
5994 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5996 2006-05-15 Per Bothner <per@bothner.com>
5998 * tree.c: (last_annotated_node): Use source_locus typedef.
5999 This permits bootstrapping with --enable-mapped-location.
6001 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6003 PR tree-optimization/26830
6004 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6005 (info_for_ssa_name, current_info_for_ssa_name_age,
6006 blocks_to_update): New variables.
6007 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6008 (clear_ssa_name_info, initialize_flags_in_bb,
6009 mark_block_for_update): New functions.
6010 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6011 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6012 prepare_def_site_for): Use mark_block_for_update.
6013 (mark_def_interesting): Assert that the processed block is marked in
6014 blocks_to_update. Do not take blocks argument.
6015 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6017 (rewrite_update_init_block, rewrite_update_stmt): Only process
6018 blocks with statements to rewrite.
6019 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6020 (update_ssa): Initialize and free blocks_to_update. Do not
6021 clear flags on statements. Do not use blocks bitmap.
6022 * tree.h (SSA_NAME_AUX): Removed.
6023 (struct tree_ssa_name): Removed aux field.
6024 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6026 2006-05-15 Richard Guenther <rguenther@suse.de>
6028 PR tree-optimization/27603
6029 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6030 Do computations in original type.
6032 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6034 * see.c: Code style changes such as redundant paranthesis,
6035 redundant intialization of local variables etc.
6036 (see_main): Declared now as static.
6037 * doc/invoke.texi: Update that -fsee is not enabled by
6040 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6042 * omp-low.c (check_omp_nesting_restrictions): New function.
6043 (scan_omp_1): Call it.
6046 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6047 construct, return *VAR.
6049 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6051 PR rtl-optimization/27406
6052 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6055 2006-05-14 Roger Sayle <roger@eyesopen.com>
6057 PR rtl-optimization/27538
6058 * combine.c (expand_compound_operation): Call gen_lowpart
6059 before calling simplify_shift_const.
6061 2006-05-14 Roger Sayle <roger@eyesopen.com>
6063 PR rtl-optimization/22563
6064 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6065 a fixed width bitfield, always force the intermediates into psuedos.
6067 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6070 * mkconfig.sh: Use operator = instead of == for test.
6072 2006-05-13 Nick Clifton <nickc@redhat.com>
6074 * dwarf2out.c (dbx_reg_number): Check return value from
6075 LEAF_REG_REMAP and only use it if it is valid.
6076 (multiple_reg_loc_descriptor): Likewise.
6078 2006-05-13 Richard Guenther <rguenther@suse.de>
6080 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6083 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6085 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6086 information attached to non-INSNs such as NOTEs.
6087 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6089 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6091 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6093 * config/s390/s390.md: Adjust comment describing On constraint.
6095 2006-05-11 Jan Hubicka <jh@suse.cz>
6097 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6098 to be output at -O0.
6100 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6103 * fold-const.c (size_binop): Move sanity check for arguments to
6104 the beginning of the function.
6107 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6110 2006-05-11 Richard Guenther <rguenther@suse.de>
6113 * fold-const.c (fold_unary): Handle intermediate conversion
6114 to a pointer type like intermediate conversion to an integer
6115 type in folding of (T1)(T2)var to var.
6116 Match the code to the comment in the final conversion for
6117 (T1)(T2)var to (T1)var regarding to type precision. Rather
6118 than disallow T1 being of pointer type, assert that both T1
6119 and var are of pointer type or not. Make sure not to fall
6120 over the frontends lazyness wrt array to pointer decay though.
6122 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6124 * arm.c (arm_struct_value_rtx): Delete.
6125 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6126 (arm_init_cumulative_args): Always initialize nregs to zero.
6128 2006-05-10 Richard Guenther <rguenther@suse.de>
6130 PR tree-optimization/27532
6131 * tree-object-size.c (plus_expr_object_size): Fix typo.
6133 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6136 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6137 ashrdi_const, ashrdi3): Use a scratch register.
6139 2006-05-10 Richard Guenther <rguenther@suse.de>
6141 PR tree-optimization/27302
6142 * fold-const.c (operand_equal_p): For two comparisons,
6143 try comparison of one comparison code swapped if that yields
6146 2006-05-10 Ben Elliston <bje@au.ibm.com>
6148 * tree-pretty-print.c (pretty_print_string): No need to handle
6149 '\0' as a special character.
6151 * tree.h: Include "hashtab.h".
6152 (iterative_hash_expr): Use hashval_t in its prototype.
6153 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6155 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6158 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6159 (hppa*64*-*-hpux11*): Ditto.
6160 (hppa[12]*-*-hpux11*): Ditto.
6162 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6165 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6167 2006-05-09 Michael Matz <matz@suse.de>
6169 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6170 host_extra_gcc_objs and host_xmake_file.
6171 (<*-*-linux*>): Don't overwrite host_xmake_file.
6172 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6173 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6174 (host_detect_local_cpu): Declare.
6175 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6176 * config/i386/i386.c (override_options): Handle -mtune=native
6178 * config/i386/x-i386: New file.
6179 * config/i386/driver-i386.c: New file.
6180 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6183 2006-05-09 Dirk Mueller <dmueller@suse.de>
6184 Richard Guenther <rguenther@suse.de>
6187 * fold-const.c (fold_read_from_constant_string): Relax check
6188 for matching types to matching modes.
6190 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6192 PR rtl-optimization/27335
6193 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6196 2006-05-08 Chao-ying Fu <fu@mips.com>
6197 Richard Sandiford <richard@codesourcery.com>
6199 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6200 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6201 * config/mips/mips.md (UNSPEC_SCC): New constant.
6202 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6203 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6204 (mips_emit_compare): Use it.
6205 (mips_expand_vcondv2sf): New function.
6207 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6209 Fix PR tree-optimization/27093
6210 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6211 renaming when they become not-used_alone.
6213 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6215 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6216 relocation and relocation stubs.
6218 2006-05-08 Eric Christopher <echristo@apple.com>
6220 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6223 2006-05-08 Jan Hubicka <jh@suse.cz>
6226 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6227 unused static functions are needed.
6229 2006-05-08 Roger Sayle <roger@eyesopen.com>
6232 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6233 of a reg_equiv_constant if the result is a legitimate constant.
6235 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6238 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6239 standard 80387 constants, raise the cost to prevent
6240 compress_float_constant() to generate load from memory.
6242 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6244 * config/arm/constraints.md (c): Fix a typo.
6246 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6249 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6252 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6254 (_mm_mwait): Likewise.
6256 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6258 (sse3_monitor): Make it 32bit only.
6259 (sse3_monitor64): New. 64bit monitor.
6261 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6264 * config/i386/i386.c (classify_argument): Skip fields with invalid
6267 2006-05-07 Richard Guenther <rguenther@suse.de>
6269 PR tree-optimization/27409
6270 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6271 Do not try to find zero-sized subvars.
6273 2006-05-07 Richard Guenther <rguenther@suse.de>
6275 PR tree-optimization/27136
6276 * tree-ssa-loop-niter.c (get_val_for): Correct function
6277 comment, assert requirements.
6278 (loop_niter_by_eval): Stop processing if the iterated
6279 value did not simplify.
6281 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6283 * opts.c (flag_see): remove its setting at -O3.
6285 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6287 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6288 * arm/constraints.md: New file.
6289 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6290 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6291 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6292 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6293 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6294 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6295 * arm.md: Include constraints.md.
6296 (thumb_movsi_insn): Use satisfies_constraint_J.
6297 (movhi, movqi): Use satisfies_constraint_I.
6299 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6301 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6302 for atmeg a645 device.
6304 2006-05-06 Richard Guenther <rguenther@suse.de>
6306 PR tree-optimization/27151
6307 * tree-vect-transform.c (vectorizable_condition): Punt on
6308 values that have a different type than the condition.
6310 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6313 * c-parser.c (c_parser_cast_expression): Only insert casts into
6314 hash table if pointer.
6315 * function.c (used_types_insert_helper): Rename from
6317 (used_types_insert): Call used_types_insert_helper.
6318 * function.h (used_types_insert): Accept only one argument.
6320 2006-05-05 David Edelsohn <edesohn@gnu.org>
6322 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6323 scratch with output modifier.
6325 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6328 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6329 with output modifier.
6331 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6334 * config/mips/mips.c (mips_symbolic_address_p): Return true
6335 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6336 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6338 2006-05-04 Richard Guenther <rguenther@suse.de>
6340 PR tree-optimization/14287
6341 PR tree-optimization/14844
6342 PR tree-optimization/19792
6343 PR tree-optimization/21608
6344 PR tree-optimization/27090
6345 * tree-ssa-pre.c (try_combine_conversion): New function.
6346 (compute_avail): After constructing the value-handle
6347 expression, use try_combine_conversion to combine NOP_EXPRs
6348 with previous value-handle expressions and use the result if it
6351 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6353 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6355 2006-05-04 Jan Hubicka <jh@suse.cz>
6358 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6360 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6362 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6363 that this only matches CONST_INTs. All users changed to VOIDmode
6366 * config/bfin/bfin.c: Include "optabs.h".
6367 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6369 (enum bfin_builtins): Add a number of fractional and vector builtins.
6370 (bfin_init_builtins): Likewise.
6371 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6372 (safe_vector_operand, bfin_expand_binop_builtin,
6373 bfin_expand_unop_builtin): New functions.
6374 (bfin_expand_builtin): Handle the new builtins.
6375 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6378 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6381 * Makefile.in (OBJS-common): Add see.o.
6382 (see.o): Add dependencies.
6383 * common.opt (fsee): New flag for the see optimization was added.
6384 * opts.c (flag_see): Initialized.
6385 * passes.c (init_optimization_passes, pass_see): New pass.
6386 * rtl.h (see_main): Declaration as extern.
6387 * timevar.def (TV_SEE): New.
6388 * tree-pass.h (pass_see): Declaration as extern.
6389 * invoke.texi (-fsee): Document.
6390 * recog.c (validate_simplify_insn): New function.
6391 * recog.h (validate_simplify_insn): Declaration as extern.
6392 * df-problems.c (df_chain_dump): Check for NULL.
6394 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6395 Daniel Berlin <dberlin@dberlin.org>
6397 * cfgrtl.c (insert_insn_bb_end_new): New function.
6398 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6400 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6402 * df.h (struct web_entry): Moved from web.c.
6403 (union_defs): Declaration as extern.
6404 (unionfind_root): Likewise.
6405 (unionfind_union): Likewise.
6406 * web.c (struct web_entry): Moved to df.h.
6407 (unionfind_root): Remove static declaration.
6408 (unionfind_union): Likewise.
6409 (union_defs): Likewise and generalize to use callback function.
6410 (web_main): Update arguments for union_defs function call.
6412 2006-05-04 Richard Guenther <rguenther@suse.de>
6414 PR tree-optimization/26447
6415 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6416 produce SSA_NAME copies before the store stmt to avoid
6417 breaking exception handling.
6419 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6422 * gimplify.c (omp_is_private): If var is shared in some outer context,
6423 return false instead of true. Stop searching on parallel context
6426 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6429 * coverage.c: Use get_gcov_unsigned_t() instead of
6430 unsigned_type_node all over.
6432 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6434 PR tree-optimization/27381
6435 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6436 maintain the same immediate_use links.
6437 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6438 node rather than segfaulting.
6440 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6443 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6444 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6445 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6447 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6449 Fix PR tree-optimization/26626
6450 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6452 * tree-ssa-operands.c (access_can_touch_variable): Allow
6453 typecasting through union pointers.
6455 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6458 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6459 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6460 to find if var will be a global variable even in the nested context.
6461 (omp_copy_decl): Only check for global variable at the end, it might
6462 be overridden in outer contexts.
6463 (scan_sharing_clauses): For global variables don't create a field.
6464 (lower_rec_input_clauses): Do nothing for global shared variables.
6465 Emit a barrier at the end of ILIST if there were any decls in both
6466 firstprivate and lastprivate clauses.
6467 (lower_send_clauses): Do nothing for global variables except for
6470 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6472 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6473 of the correct signedness is returned.
6475 2006-05-02 Jeff Law <law@redhat.com>
6477 PR tree-optimization/27364
6478 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6479 multiply expressions.
6481 2006-05-02 Tom Tromey <tromey@redhat.com>
6483 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6485 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6488 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6489 -mthumb -fPIC are used.
6491 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6492 Joshua Kinard <kumba@gentoo.org>
6495 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6496 with 64-bit pointers.
6498 2006-05-02 Paul Brook <paul@codesourcery.com>
6500 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6502 (create_fix_barrier): Check that a suitable barrier location is
6504 (arm_reorg): Include ftmp->address in allowable range of addresses.
6506 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6509 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6512 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6515 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6516 around RESULT_DECL for result passed by reference.
6517 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6518 * omp-low.c (use_pointer_for_field): Don't look at
6519 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6520 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6521 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6522 time or var for passing by reference for
6523 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6524 TREE_ADDRESSABLE variables when passing by reference.
6526 * omp-low.c (dump_omp_region): Fix output formatting.
6529 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6530 (expand_omp_parallel): Likewise.
6531 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6534 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6535 on statement list containing also constructors and destructors.
6536 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6539 * except.c (duplicate_eh_regions): Fix clearing of
6540 cfun->eh->region_array entries.
6542 2006-05-01 DJ Delorie <dj@redhat.com>
6544 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6546 (gcc_cv_objdump): Likewise.
6547 * configure: Regenerated.
6549 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6552 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6553 templates for case 3 and 4.
6555 2006-05-01 DJ Delorie <dj@redhat.com>
6557 * vec.c: Include bconfig.h when appropriate.
6558 * Makefile.in (build/vec.o): Adjust dependencies.
6559 * mkconfig.sh: Make sure config.h isn't used for build machine
6562 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6564 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6566 (mark_phi_for_rewrite): New function.
6567 (insert_phi_nodes_for, mark_use_interesting): Call
6568 mark_phi_for_rewrite.
6569 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6570 (update_ssa): Initialize and free phis_to_rewrite.
6572 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6574 PR rtl-optimization/27291
6575 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6576 folded to a constant.
6578 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6580 PR tree-optimization/27283
6581 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6582 not whole # of iteration descriptions.
6583 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6584 uses abnormal ssa name.
6585 (niter_for_single_dom_exit): Ditto.
6586 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6587 return just the number of iterations.
6589 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6591 PR tree-optimization/27144
6592 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6593 (record_estimate): Only record constant upper bound.
6594 (infer_loop_bounds_from_undefined): Call
6595 compute_estimated_nb_iterations just once.
6596 (proved_non_wrapping_p): Renamed to ...
6597 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6598 (convert_step_widening, scev_probably_wraps_p): Call
6599 n_of_executions_at_most instead of proved_non_wrapping_p.
6600 (substitute_in_loop_info): Do not replace values in bounds.
6601 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6604 2006-05-01 Richard Henderson <rth@redhat.com>
6607 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6608 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6611 2006-05-01 Roger Sayle <roger@eyesopen.com>
6613 * c-typeck.c (parser_build_binary_op): Don't call the function
6614 unsigned_conversion_warning to spot operand/result type overflow.
6615 (build_binary_op): Instead, call convert_and_check instead of
6616 convert to report the problem when the operands are promoted.
6617 * c-common.c (unsigned_conversion_warning): Make static.
6618 * c-common.h (unsigned_conversion_warning): Delete prototype.
6620 2006-05-01 Richard Guenther <rguenther@suse.de>
6622 PR tree-optimization/26726
6623 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6625 (find_interesting_uses_address): ... we work around here
6626 by folding INDIRECT_REFs in the substituted base.
6628 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6630 * omp-low.c (dump_omp_region): Add newlines.
6632 2006-04-30 Roger Sayle <roger@eyesopen.com>
6634 * common.opt (Woverflow): New command line option.
6635 * c-common.c (constant_expression_warning): Check warn_overflow.
6636 (overflow_waring): Pass OPT_Woverflow to warning.
6637 (unsigned_conversion_warning): Likewise.
6638 (convert_and_check): Likewise.
6639 * doc/invoke.texi: Document new command line option.
6641 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6643 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6644 TARGET_NO_FP_IN_TOC for section anchors.
6645 (optimization_options): Enable section anchors for all
6646 non-"Objective" languages.
6648 2006-04-28 Eric Christopher <echristo@apple.com>
6650 * config/darwin-c.c (darwin_ms_struct): Move this
6651 (darwin_set_default_type_attributes): and this...
6652 * config/darwin.c: ... here.
6653 * config/darwin.h (darwin_ms_struct): Declare.
6655 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6657 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6659 2006-04-28 Roger Sayle <roger@eyesopen.com>
6662 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6663 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6664 an unsigned HOST_WIDE_INT.
6665 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6667 (really_start_incremental_init): No need to call convert because
6668 bitsize_zero_node is already of type bitsizetype.
6669 (push_init_level): Extract the value of constructor_index as an
6670 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6671 (process_init_element): Likewise.
6673 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6675 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6676 value before passing to make_relative_prefix.
6678 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6681 * builtins.c (expand_builtin_memset): Expand val in original mode.
6683 2006-04-27 Eric Christopher <echristo@apple.com>
6685 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6686 with #ifndef/#endif.
6687 * config/darwin-c.c (darwin_ms_struct): New.
6688 (darwin_pragma_ms_struct): Ditto.
6689 (darwin_set_default_type_attributes): Ditto.
6690 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6691 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6692 Register ms_struct pragma.
6693 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6694 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6695 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6696 darwin_set_default_type_attributes if TARGET_MACHO.
6698 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6700 PR tree-optimization/26854
6701 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6702 * doc/tree-ssa.texi: Update immuse iterator documentation.
6703 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6704 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6705 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6706 first_safe_imm_use, next_safe_imm_use): Remove.
6707 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6708 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6709 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6710 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6711 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6712 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6713 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6714 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6715 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6716 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6717 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6718 (perfect_nestify): Use new iterator.
6719 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6721 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6722 (next_imm_name): New field in struct immediate_use_iterator_d.
6723 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6724 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6725 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6726 * tree-cfg.c (replace_uses_by): Use new iterator.
6727 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6728 * tree-ssa-operands.c (correct_use_link): Remove.
6729 (finalize_ssa_use_ops): No longer call correct_use_link.
6731 2006-04-27 Stuart Hastings <stuart@apple.com>
6733 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6734 * config/t-darwin (crt3.o): Use it.
6735 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6736 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6737 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6738 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6739 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6742 2006-04-27 Roger Sayle <roger@eyesopen.com>
6744 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6745 size, force the intermediate into a new pseudo rather instead of
6746 performing both a bitwise AND and a bitwise IOR in memory.
6748 2006-04-27 Richard Guenther <rguenther@suse.de>
6750 PR rtl-optimization/26685
6751 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6752 this one "max-flow-memory-locations".
6754 2006-04-27 Richard Guenther <rguenther@suse.de>
6756 PR tree-optimization/25148
6757 * tree-vrp.c (compare_values): Remove code dealing with
6758 comparisons against type min/max value. Honour overflow
6759 and negative constants in code dealing with comparisons
6760 of plus and minus expressions.
6761 (value_inside_range): Use fold_binary with LE_EXPR and
6762 GE_EXPR rather than compare_values.
6764 2006-04-27 Dirk Mueller <dmueller@suse.de>
6766 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6769 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6771 * basic-block.h (safe_insert_insn_on_edge): Removed.
6772 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6774 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6775 Paolo Bonzini <bonzini@gnu.org>
6778 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6779 (simplify_and_const_int): Same.
6781 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6783 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6785 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6788 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6789 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6790 cgraph_global_info_ready.
6793 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6796 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6797 either decl or init is error_mark_node.
6800 * tree-flow.h (struct omp_region): Add sched_kind.
6801 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6802 instead of extracting omp for data.
6803 (expand_omp_for): Save extracted sched_kind.
6805 2006-04-25 Roger Sayle <roger@eyesopen.com>
6807 * expmed.c (store_bit_field): Also check whether the bitsize is
6808 valid for the machine's "insv" instruction before moving the
6809 target into a pseudo for use with the insv.
6810 * config/i386/predicates.md (const8_operand): New predicate.
6811 * config/i386/i386.md (extv, extzv, insv): Use the new
6812 const8_operand predicate where appropriate.
6814 2006-04-25 DJ Delorie <dj@redhat.com>
6816 * doc/install.texi (Specific): Clarify that this is not a list of
6817 supported hosts or targets.
6819 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6821 PR rtl-optimization/26725
6822 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6823 block's BB_DIRTY flag.
6825 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6827 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6830 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6831 to print an integer.
6833 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6835 * varasm.c (align_variable): New function.
6836 (get_block_for_decl): Apply align_variable to DECL before
6837 calculating section information.
6838 (assemble_variable): Split out alignment computation.
6840 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6842 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6845 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6847 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6848 MODE_PARTIAL_INT mode.
6849 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6850 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6852 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6853 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6855 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6857 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6859 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6860 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6861 MACFLAG_IH): Likewise.
6862 (movstricthi_1): Renamed from "*movstricthi".
6863 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6864 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6865 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6866 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6867 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6868 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6869 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6870 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6871 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6872 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6873 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6874 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6875 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6876 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6877 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6879 * doc/rtl.texi (ss_ashift): Improve wording.
6881 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6883 * dwarf2out.c (verify_marks_clear): New.
6884 (prune_unused_types): Call verify_marks_clear initially, not
6887 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6889 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6890 * doc/rtl.texi: Document them.
6891 * simplify-rtx.c (simplify_unary_operation,
6892 simplify_binary_operation_1): Don't abort when we see them.
6894 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6897 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6898 * configure.ac: Completely disregard languages that are not
6900 * configure: Regenerated.
6902 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6903 Richard Guenther <rguenther@suse.de>
6905 PR tree-optimization/27236
6906 * tree-inline.c (copy_body_r): Make sure to copy
6907 TREE_THIS_VOLATILE flag.
6909 2006-04-24 Richard Guenther <rguenther@suse.de>
6912 * tree-complex.c (update_parameter_components): Don't handle
6913 unused parameters which have no default def.
6915 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6916 Richard Guenther <rguenther@suse.de>
6918 PR tree-optimization/27218
6919 * tree-inline.c (expand_call_inline): Strip useless type
6920 conversions for the return slot address.
6922 2006-04-24 Richard Guenther <rguenther@suse.de>
6924 * cfgloop.h (struct loops): Remove unused field array. Reorder
6926 (LOOP_PREFETCH): Remove.
6928 2006-04-24 Richard Guenther <rguenther@suse.de>
6930 PR tree-optimization/22525
6931 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6932 variable, adjust types of generated expressions.
6934 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6936 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6937 (tree-vect-patterns.o): Likewise.
6939 (cselib.o): Likewise.
6940 (loop-doloop.o): Likewise.
6941 (regclass.o): Likewise.
6942 (reload1.o): Likewise.
6943 (explow.o): Replace target.h with $(TARGET_H).
6944 (ipa-prop.o): Likewise.
6945 (ipa-cp.o): Likewise.
6946 (ipa-inline.o): Likewise.
6947 (reorg.o): Likewise.
6948 (reg-stack.o): Likewise.
6950 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6952 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6954 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6956 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6958 * configure.ac: Completely disregard languages that are not
6960 * configure: Regenerated.
6963 * c-common.h (c_build_bitfield_integer_type): Declare.
6964 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6965 * c-common.c (c_build_bitfield_integer_type): ... here.
6967 2006-04-23 Roger Sayle <roger@eyesopen.com>
6970 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6971 a SImode SUBREG of a floating point register after no_new_pseudos.
6973 2006-04-23 Roger Sayle <roger@eyesopen.com>
6975 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6976 identify potentially eliminable registers to additionally catch
6977 VIRTUAL_INCOMING_ARGS_REGNUM.
6978 (addsi3): Update the conditions on when to use addsi_small_int.
6980 2006-04-23 Roger Sayle <roger@eyesopen.com>
6983 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6984 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6985 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6987 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6989 * fold-const.c (range_predecessor): Use operand_equal_p
6990 as the predicate for equality.
6991 (range_successor): Likewise.
6993 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6996 * config/soft-fp/op-common.h: Fix a typo.
6998 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7001 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7002 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7004 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7006 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7008 * doc/tm.texi: Fix a typo.
7010 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7012 * dwarf2out.c (struct die_struct): Document that die_sib makes
7013 a circular linked list.
7014 (FOR_EACH_CHILD): New.
7015 (reverse_die_lists): Delete.
7016 (reverse_all_dies): Delete.
7017 (add_dwarf_attr): Correct documentation.
7018 (remove_child_with_prev): New.
7019 (remove_child_TAG): Update for change to die_struct, use
7020 remove_child_with_prev.
7021 (add_child_die): Update for change to die_struct.
7022 (splice_child_die): Use remove_child_with_prev and add_child_die.
7023 (print_die): Use FOR_EACH_CHILD.
7024 (die_checksum): Likewise.
7025 (assign_symbol_names): Likewise.
7026 (output_location_lists): Likewise.
7027 (build_abbrev_table): Likewise.
7028 (calc_die_sizes): Likewise.
7029 (mark_dies): Likewise.
7030 (unmark_dies): Likewise.
7031 (unmark_all_dies): Likewise.
7032 (output_die): Likewise.
7033 (prune_unused_types_mark): Likewise.
7034 (prune_unused_types_walk): Likewise.
7035 (same_die_p): Update for change to die_struct.
7036 (break_out_includes): Likewise.
7037 (prune_unused_types_prune): Likewise.
7038 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7039 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7041 (dwarf2out_finish): Don't call reverse_all_dies.
7043 2006-04-21 Eric Christopher <echristo@apple.com>
7045 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7046 in comments and function names.
7048 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7051 * c-typeck.c (digest_init): Robustify.
7053 * c-typeck.c (pop_init_level): Simplify.
7055 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7057 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7059 2006-04-21 Paul Brook <paul@codesourcery.com>
7061 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7062 hardware floating point.
7064 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7066 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7069 2006-04-21 Nick Clifton <nickc@redhat.com>
7071 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7074 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7077 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7078 C++ lang type in traceback table for Objective-C++.
7080 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7082 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7084 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7086 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7089 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7090 were errors. Remove check for erroneous objects.
7092 2006-04-20 Jeff Law <law@redhat.com>
7094 PR tree-optimization/26854
7095 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7096 checking for zero or one use.
7097 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7098 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7099 * tree-ssa-reassoc.c (negate_value): Similarly.
7100 (reassociate_bb): Similarly.
7102 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7104 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7105 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7106 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7108 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7110 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7111 fp regs if the last fp arg doesn't fit in regs.
7113 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7116 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7117 that the last insn has the REG_INC note.
7119 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7120 Nathan Sidwell <nathan@codesourcery.com>
7123 * stor-layout.c (update_alignment_for_field): Do not align
7125 (place_union_field): Place union field at the start of the union.
7126 (place_field): Move ERROR_MARK check later, and use the current
7127 allocation position to maintain monotonicity.
7129 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7131 * dominance.c: Include timevar.h.
7132 (calculate_dominance_info): Use TV_DOMINANCE.
7133 * timevar.def (TV_DOMINANCE): New timevar.
7134 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7136 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7138 PR rtl-optimization/14261
7139 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7140 move would be an INSV insn.
7141 (noce_process_if_block): Don't optimize if the destination is a
7142 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7144 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7146 * config/s390/s390.md: Add comments with the instructions emitted
7147 by an insn pattern if macros are used.
7149 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7151 PR rtl-optimization/26026
7152 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7153 is a known power of two shifted left a variable amount.
7155 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7157 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7158 to hash table twice when the debug_str section has SECTION_MERGE.
7160 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7162 * config/soft-fp: New directory. From glibc.
7163 * config/soft-fp/t-softfp: New.
7164 * config/soft-fp/README: New.
7165 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7166 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7167 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7168 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7169 * config.gcc: Use rs6000/t-fprules-fpbit or
7170 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7172 * config/rs6000/sfp-machine.h: New. Based on glibc.
7173 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7175 * config/rs6000/t-fprules: Remove fp-bit rules.
7176 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7177 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7178 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7179 (softfp_wrap_start, softfp_wrap_end): New.
7181 2006-04-18 DJ Delorie <dj@redhat.com>
7183 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7185 2006-04-18 Devang Patel <dpatel@apple.com>
7187 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7189 2006-04-18 Nick Clifton <nickc@redhat.com>
7191 * config/sh/t-symbian: Add rule to build sh-c.o
7192 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7193 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7194 (sh_symbian_encode_section_info): Likewise.
7196 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7198 * builtins.c (expand_builtin_strcmp): Cover label definition of
7199 do_libcall with HAVE_cmpstrnsi.
7201 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7203 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7205 * function.h (temp_slot_p): New.
7206 (function): Change the type of x_used_temp_slots to
7207 VEC(temp_slot_p,gc) *.
7209 2006-04-18 Nick Clifton <nickc@redhat.com>
7211 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7212 flag_strength_reduce.
7214 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7216 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7220 Partial revert of revision 112637
7221 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7222 Dale Johannesen <dalej@apple.com>
7225 * regclass.c (struct reg_pref): Update documentation.
7226 (regclass): Set prefclass to NO_REGS if memory is the best option.
7227 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7229 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7231 PR tree-optimization/26821
7232 * tree-ssa-math-opts.c (get_constant_one): New.
7233 (insert_reciprocals): Use it.
7235 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7237 * dwarf2out.c (free_AT): Delete.
7238 (remove_AT): Update string ref counts.
7239 (remove_child_TAG): Don't call free_die.
7241 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7242 or DW_TAG_GNU_EINCL.
7243 (prune_unused_types_walk_attribs): Reset string refcounts.
7244 (prune_unused_types_update_strings): New.
7245 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7246 call free_die. Do call prune_unused_types_update_strings.
7247 (prune_unused_types): Empty debug_str_hash.
7249 2006-04-17 Roger Sayle <roger@eyesopen.com>
7251 * expr.c (expand_assignment): Optimize away no-op moves where the
7252 source and destination are equal and have no side-effects.
7254 2006-04-17 Richard Guenther <rguenther@suse.de>
7257 * reload.c (push_reload): Guard calls to get_secondary_mem
7260 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7262 * alias.c (reg_base_value, old_reg_base_value): Change the
7263 type to VEC(rtx,gc) *.
7264 (REG_BASE_VALUE, find_base_value, record_set,
7265 init_alias_analysis): Use VEC instead of VARRAY.
7267 * alias.c (alias_sets): Change the type to
7268 VEC(alias_set_entry,gc) *.
7269 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7270 VEC instead of VARRAY.
7271 (last_alias_set): Remove.
7273 * cgraph.h (cgraph_edge_p): New.
7274 Update the prototype of cgraph_function_versioning.
7275 * cgraphunit.c (cgraph_copy_node_for_versioning,
7276 cgraph_function_versioning): Use VEC instead of VARRAY.
7277 * ipa-cp.c (ipcp_insert_stage): Likewise.
7279 2006-04-16 Roger Sayle <roger@eyesopen.com>
7282 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7283 "A op B" or "A op C", we may need to convert A to the type of B and C.
7285 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7287 * target.h (struct gcc_target): Add mode_rep_extended.
7288 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7289 (init_num_sign_bit_copies_in_rep): Initialize it using
7291 (truncate_to_mode): Use it.
7292 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7293 * targhooks.h (default_mode_rep_extended): Declare it.
7294 * targhooks.c (default_mode_rep_extended): Define it.
7295 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7296 default_mode_rep_extended.
7297 (TARGET_INITIALIZER): Include it.
7298 * doc/tm.texi (Misc): Document it.
7299 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7300 (mips_truncated_to_mode): New function.
7302 2006-04-16 Roger Sayle <roger@eyesopen.com>
7305 * expr.c (compress_float_constant): Copy the narrow constant into
7306 a new pseudo before extending it to its final width.
7308 2006-04-16 Roger Sayle <roger@eyesopen.com>
7309 Andrew Pinski <pinskia@gcc.gnu.org>
7310 Dale Johannesen <dalej@apple.com>
7313 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7314 special case code to implement V8HImode and V16QImode with SSE2.
7316 2006-04-15 Roger Sayle <roger@eyesopen.com>
7318 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7319 trees are constructed with a suitable tree type.
7321 2006-04-15 Roger Sayle <roger@eyesopen.com>
7323 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7324 (integer_onep): Likewise.
7325 (integer_all_onesp): Likewise.
7326 (integer_pow2p): Likewise.
7327 (integer_nonzerop): Likewise.
7328 (real_zerop): Likewise.
7329 (real_onep): Likewise.
7330 (real_twop): Likewise.
7331 (real_minus_onep): Likewise.
7332 (int_size_in_bytes): Likewise.
7333 (host_integerp): Likewise.
7335 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7337 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7338 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7339 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7341 * tree-ssa-structalias.h (alias_info): Remove num_references.
7343 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7345 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7346 (output_bvb patterns): Likewise.
7347 * pa.c (output_bb): Use 'bb' insn for long branch case.
7348 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7349 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7350 1. Correct length operand for alternatives 1 and 2.
7351 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7352 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7354 2006-04-14 Roger Sayle <roger@eyesopen.com>
7356 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7357 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7358 were accidentally reverted by r112959.
7360 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7363 * except.h (eh_region_outermost): New prototype.
7364 * except.c (eh_region_outermost): New function.
7365 * tree-cfg.c (find_outermost_region_in_block): Use it.
7367 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7369 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7371 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7372 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7373 (init_reload, reload): Use VEC instead of VARRAY.
7374 * reload.h: Update the prototype for
7375 reg_equiv_memory_loc_varray.
7377 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7378 Eric Botcazou <ebotcazou@libertysurf.fr>
7380 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7383 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7386 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7387 to expand fallback builtin function call.
7389 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7392 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7393 and emit libcall here in case the builtin fails.
7394 (expand_builtin_strcmp): Always emit the libcall here on failure.
7396 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7398 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7399 * flow.c (reg_n_info): Change the type to
7400 VEC(reg_info_p,heap) *.
7401 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7403 * regs.h (reg_info_p): New.
7404 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7405 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7406 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7409 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7411 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7413 * params.h (MAX_SCHED_READY_INSNS): New macro.
7414 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7415 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7416 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7417 the ready list for 1 cycle during the first scheduling pass.
7418 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7420 2006-04-13 Richard Henderson <rth@redhat.com>
7423 * gimple-low.c (lower_omp_directive): Remove dead code.
7424 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7425 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7426 * omp-low.c (struct omp_region): Move to tree-flow.h.
7427 (root_omp_region): Export.
7428 (omp_regions, lookup_omp_region): Remove.
7429 (determine_parallel_type): Update for struct omp_region changes.
7430 (dump_omp_region): Dump regions with block numbers.
7431 (new_omp_region): Take type and block instead of stmt; malloc
7433 (free_omp_region_1, free_omp_regions): New.
7434 (expand_parallel_call): Take entry_stmt as argument; update for
7435 changes to omp_region.
7436 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7437 (remove_exit_barriers): New.
7438 (expand_omp_parallel): Update for struct omp_region changes.
7439 (expand_omp_synch): Likewise.
7440 (expand_omp): Likewise.
7441 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7442 (expand_omp_for_static_chunk): Likewise.
7443 (expand_omp_for): Likewise.
7444 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7445 (expand_omp_sections): Similarly, with GOMP_sections_end.
7446 (expand_omp_single): New.
7447 (build_omp_regions_1): Update for OMP_CONTINUE.
7448 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7449 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7450 OMP_SECTIONS_SECTIONS.
7451 (lower_omp_single_simple): Don't emit barrier here.
7452 (lower_omp_single_copy): Likewise.
7453 (lower_omp_single): Fix bindings, and lower to straightline now.
7454 (lower_omp_master, lower_omp_ordered): Likewise.
7455 (lower_omp_critical): Likewise.
7456 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7457 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7458 omp edges, free it afterward.
7459 (make_omp_sections_edges): Remove.
7460 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7461 (move_stmt_r): Handle OMP_CONTINUE.
7462 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7463 statement pointers to basic blocks. Add type member.
7464 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7465 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7466 * tree-inline.c (estimate_num_insns_1): Likewise.
7467 * tree-pretty-print.c (dump_generic_node): Likewise.
7468 * tree-ssa-operands.c (get_expr_operands): Likewise.
7469 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7470 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7471 (OMP_CONTINUE): New.
7472 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7473 (OMP_SECTIONS_SECTIONS): Remove.
7474 (OMP_SECTION_LAST): New.
7475 (OMP_RETURN_NOWAIT): New.
7477 2006-04-13 Roger Sayle <roger@eyesopen.com>
7479 * fold-const.c (native_encode_vector, native_interpret_real):
7480 Correct obvious mistakes in the previous check-in.
7482 2006-04-13 Roger Sayle <roger@eyesopen.com>
7484 * fold-const.c (native_encode_expr): New function to encode
7485 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7486 or VECTOR_CST into a specified buffer.
7487 (native_encode_int): New function.
7488 (native_encode_real): New function.
7489 (native_encode_complex): New function.
7490 (native_encode_vector): New function.
7491 (native_interpret_expr): Inverse of native_encode_expr to convert
7492 a target representation into an INTEGER_CST, REAL_CST etc...
7493 (native_interpret_int): New function.
7494 (native_interpret_real): New function.
7495 (native_interpret_complex): New function.
7496 (native_interpret_vector): New function.
7497 (fold_view_convert_expr): New function to constant fold/evaluate
7498 a VIEW_CONVERT_EXPR of a suitable constant expression.
7499 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7500 Change call of build1 to fold_build1 when constructing a
7503 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7504 Ulrich Weigand <uweigand@de.ibm.com>
7507 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7510 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7513 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7514 optimize to lo_sum for DFmode if !TARGET_FPRS.
7516 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7518 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7519 delete_alias_info, compute_flow_sensitive_aliasing,
7520 group_aliases): Use VEC instead of VARRAY.
7521 * tree-ssa-structalias.c (update_alias_info): Likewise.
7522 * tree-ssa-structalias.h (alias_info): Change the type of
7523 processed_ptrs to VEC(tree,heap) *.
7525 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7528 * config/sh/lib1funcs.h: New file, broken out of:
7529 * config/sh/lib1funcs.asm.
7530 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7532 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7533 * config/sh/lib1funcs-Os-4-200.asm: New file.
7534 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7535 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7536 (EXTRA_MULTILIB_PARTS): Include it.
7537 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7538 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7539 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7540 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7543 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7545 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7546 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7547 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7549 * tree-ssa-live.h: Include vecprim.h.
7550 (tree_partition_associator_d): Change the type of
7551 first_partition to VEC(int,heap) *.
7552 (tpa_first_partition): Use VEC instead of VARRAY.
7554 * Makefile.in (GTFILES): Move functions.h after tree.h.
7555 * function.c (reset_block_changes, record_block_change,
7556 check_block_change, free_block_changes): Use VEC instead of
7558 * function.h (function): Change the type of
7559 ib_boundaries_block to VEC(tree,gc) *.
7560 * tree-inline.c (copy_cfg_body): Initialize
7561 ib_boundaries_block to NULL instead of (varray_type) 0.
7563 2006-04-12 Roger Sayle <roger@eyesopen.com>
7565 * expr.c (emit_group_store): Correct operand order in call to
7566 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7567 a SUBREG_BYTE of zero.
7569 2006-04-12 Richard Guenther <rguenther@suse.de>
7571 * profile.c (compute_branch_probabilities): Remove code
7572 encapsulated in !ir_type (), which are remanents of the
7573 removed RTL profiling code.
7574 * rtl-profile.c: Remove.
7576 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7578 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7579 magic NULL_RTX comment.
7580 (function_arg): Store entire fp arg to mem if any part should go
7582 (rs6000_arg_partial_bytes): Adjust for above change.
7584 2006-04-11 Roger Sayle <roger@eyesopen.com>
7586 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7587 if it hasn't been initialized by dwarf2out_init.
7589 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7591 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7592 symbolic constants in branch patterns.
7594 2006-04-11 Roger Sayle <roger@eyesopen.com>
7596 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7598 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7600 PR rtl-optimization/27073
7601 * gcse.c (try_replace_reg): Revert last change. Continue to search
7602 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7605 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7607 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7608 aggregate types other than record and union types.
7609 (function_arg): Likewise.
7610 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7612 (function_value): In 64-bit mode, return objects that require it
7615 2006-04-11 Roger Sayle <roger@eyesopen.com>
7617 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7619 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7621 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7623 2006-04-03 Jeff Law <law@redhat.com>
7626 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7627 alias information too.
7629 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7631 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7633 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7636 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7637 (premark_used_types_helper): New.
7638 (premark_used_types): New.
7639 (gen_subprogram_die): Call premark_used_types.
7640 (prune_unused_types_walk): Do not prune perennial dies.
7641 * function.c (used_types_insert): New.
7642 * function.h (struct function): Add used_types_hash field.
7643 (used_types_insert): Add prototype.
7644 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7645 * c-parser.c (c_parser_cast_expression): Save casted types in used
7648 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7651 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7652 rs6000_explicit_options.float_gprs.
7654 2006-04-10 Roger Sayle <roger@eyesopen.com>
7656 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7657 from ix86_expand_vector_init_low_nonzero. Take an additional
7658 one_var argument indicating which element is non-zero. Support
7659 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7660 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7661 with one_var instead of ix86_expand_vector_init_low_nonzero.
7663 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7665 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7666 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7667 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7668 build/genextract.o): Depend on vecprim.h.
7669 * cfglayout.c, df-problems.c, function.c, genextract.c,
7670 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7671 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7675 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7677 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7678 Declare VECs of this type.
7679 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7680 (remove_children): Delete.
7681 (add_dwarf_attr): Use VEC routines.
7682 (add_AT_flag): Update for changes to add_dwarf_attr.
7683 (add_AT_int): Likewise.
7684 (add_AT_unsigned): Likewise.
7685 (add_AT_long_long): Likewise.
7686 (add_AT_vec): Likewise.
7687 (add_AT_string): Likewise.
7688 (add_AT_die_ref): Likewise.
7689 (add_AT_fde_ref): Likewise.
7690 (add_AT_loc): Likewise.
7691 (add_AT_loc_list): Likewise.
7692 (add_AT_addr): Likewise.
7693 (add_AT_lbl_id): Likewise.
7694 (add_AT_lineptr): Likewise.
7695 (add_AT_macptr): Likewise.
7696 (add_AT_offset): Likewise.
7697 (add_AT_range_list): Likewise.
7698 (get_AT): Use VEC_iterate.
7699 (remove_AT): Use VEC_ordered_remove.
7700 (free_die): Fold remove_children into here; have it use VEC_iterate.
7701 (print_die): Use VEC_iterate on attrs.
7702 (reverse_die_lists): Don't reverse attr lists.
7703 (die_checksum): Use VEC_iterate on attrs.
7704 (same_die_p): Likewise.
7705 (output_location_lists): Likewise.
7706 (build_abbrev_table): Likewise.
7707 (size_of_die): Likewise.
7708 (unmark_all_dies): Likewise.
7709 (output_abbrev_section): Likewise.
7710 (output_die): Likewise.
7711 (prune_unused_types_walk_attribs): Likewise.
7713 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7715 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7717 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7720 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7722 2006-04-09 Roger Sayle <roger@eyesopen.com>
7724 * expr.c (store_constructor): Don't bother clearing target if
7725 we're about to assign a vector to it using vec_init_optab.
7727 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7729 * tree-ssa-alias.c (lhs_may_store_to): New function.
7730 (recalculate_used_alone): Handle LHS of calls.
7732 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7736 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7737 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7738 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7739 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7740 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7741 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7742 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7743 stubs. Add ".align 8" directives before all ".dword" directives.
7744 (GTHREAD_USE_WEAK): Revise comment.
7745 (TARGET_ATTRIBUTE_WEAK): Define.
7746 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7747 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7748 * stublib.c: New file.
7753 * pa.md (cbranch patterns): Revise arguments used in calls to
7754 output_cbranch, output_bb and output_bvd. Add long branch length
7756 (fbranch patterns): Handle long branches.
7757 (jump): Revise length check. Revise arguments for output_lbranch call.
7758 Add long branch length attributes.
7759 (decrement_and_branch_until_zero): Add long branch length attributes.
7760 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7761 Likewise. Revise arguments for output_parallel_addb and
7762 output_parallel_movb calls.
7763 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7764 output_parallel_movb and output_parallel_addb): Update prototypes.
7765 * pa.c (output_cbranch): Revise arguments. Correct handling of
7766 nullification in long branches.
7767 (output_lbranch): Add new argument to control extraction of delay
7769 (output_bb): Handle long branches.
7770 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7771 output_parallel_addb): Likewise.
7773 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7775 PR rtl-optimization/27073
7776 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7779 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7781 * tree.h (tree_memory_tag): Add old_used_alone.
7782 (SMT_OLD_USED_ALONE): New macro.
7783 * tree-ssa-alias.c (recalculate_used_alone): Stop
7784 marking things for renaming unnecessarily.
7786 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7788 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7789 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7790 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7791 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7792 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7793 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7794 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7795 spelling convensions.
7796 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7797 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7798 typos. Follow spelling conventions.
7800 2006-04-07 DJ Delorie <dj@redhat.com>
7802 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7803 passed on the stack.
7804 (m32c_init_cumulative_args): When a function returns a structure,
7805 always pass the pointer to that return area on the stack.
7806 (m32c_function_arg_advance): Don't increment the parameter number
7807 if we're processing the returned structure pointer.
7808 (pushm_info): Reverse order of registers.
7810 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7812 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7813 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7814 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7815 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7817 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7818 chrec_fold_multiply): Same.
7819 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7820 force_expr_to_var_cost): Same.
7821 * tree-mudflap.c (mf_xform_derefs_1): Same.
7822 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7824 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7826 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7827 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7830 2006-04-07 Jan Hubicka <jh@suse.cz>
7832 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7834 2006-04-07 Richard Guenther <rguenther@suse.de>
7836 PR tree-optimization/26135
7837 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7838 loads for store copy-prop.
7839 (copy_prop_visit_stmt): Likewise.
7841 2006-04-05 Robert Millan <robertmh@gnu.org>
7843 * config/i386/linux.h: Add a comment to mark macros that are
7844 being overriden in config/k*bsd-gnu.h.
7845 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7847 * config/knetbsd-gnu.h: Ditto.
7849 2006-04-06 Jan Hubicka <jh@suse.cz>
7853 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7856 2006-04-06 Mike Stump <mrs@apple.com>
7858 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7859 for HAVE_nonlocal_goto to be consistent.
7860 (expand_builtin_nonlocal_goto): Likewise.
7861 (expand_builtin_strcmp): Use #ifdef instead of #if
7862 for HAVE_cmpstrnsi to be consistent.
7864 2006-04-05 DJ Delorie <dj@redhat.com>
7866 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7869 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7871 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7872 got-relative addressing for anything but SImode.
7874 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7875 even if the calling function doesn't modify them.
7877 2006-04-05 Richard Guenther <rguenther@suse.de>
7879 PR tree-optimization/26919
7880 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7881 to cgraph_estimate_size_after_inlining.
7883 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7885 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7887 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7889 PR tree-optimization/26996
7890 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7891 VECTOR_TYPE variables.
7893 2006-04-05 Richard Guenther <rguenther@suse.de>
7895 PR tree-optimization/26763
7896 * fold-const.c (fold_comparison): Move folding of
7897 PTR + CST CMP PTR + CST ...
7898 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7900 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7902 * doc/install.texi (Prerequisites): Refine some wording on
7903 bootstrapping and ksh.
7904 Move the version numbers of DejaGnu here from the testing section
7905 and fix casing of names.
7906 Fix markup and clarify wording for autogen requirements.
7907 Refer to GCJ instead of just java.
7908 Refer to SVN instead of CVS.
7909 Describe diffutils as useful instead of necessary.
7910 (Downloading the source): Refer to SVN instead of CVS.
7911 Adjust a link to our web site accordingly.
7912 (Configuration): Fix casing of Bison.
7913 (Building): Refer to SVN instead of CVS.
7914 Fix a sentence on the use of Bison and remove duplicate (and
7915 incorrect) version number of Bison requirement.
7916 Remove one redundant list of packages needed for building.
7917 (Specific): Avoid reference to CVS.
7919 2006-04-04 Eric Christopher <echristo@apple.com>
7921 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7922 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7923 (rs6000_handle_struct_attribute): New.
7924 (rs6000_ms_bitfield_layout_p): Ditto.
7926 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7928 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7929 NULL for dso parameter to atexit_common.
7931 2006-04-04 Eric Christopher <echristo@apple.com>
7933 * config/i386/i386.c (machopic_output_stub): Output \t
7934 between instructions and operands.
7936 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7938 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7939 satisfies_constraint_[IL] to explicit tests on value.
7941 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7943 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7944 set_nb_iterations_in_loop): Use build_int_cst instead of
7946 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7947 build_int_cst instead of convert.
7949 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7951 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7952 new value 2 for incoming.
7953 * function.c (expand_function_start): Call struct_value_rtx
7955 * config/sparc/sparc.md: Comment updated_return.
7956 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7957 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7958 struct return if sparc_std_struct_return and incoming is 2.
7959 (print_operand): Do not adjust return if
7960 sparc_std_struct_return.
7962 2006-04-04 Roger Sayle <roger@eyesopen.com>
7964 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7965 convert in the middle-end.
7966 * expr.c (store_expr, store_constructor, get_inner_reference,
7967 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7969 * tree.c (build_range_type): Likewise.
7971 2006-04-04 Tom Tromey <tromey@redhat.com>
7973 * doc/install.texi (Prerequisites): Mention jar.
7975 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7977 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7980 2006-04-04 Matthias Klose <doko@debian.org>
7982 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7986 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7989 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7991 * doc/extend.texi (Function Attributes): Rewrite visibility
7992 attribute documentation.
7993 * doc/invoke.texi (C++ Dialect Options): Rewrite
7994 -fvisibility-inlines-hidden documentation to describe something
7995 entirely different, although in practise compatible.
7996 (Code Gen Options): Warn about system headers in -fvisibility=
7999 * doc/extend.texi (Other Builtins): Document that
8000 __builtin_nan is a compile-time constant only when its argument
8003 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8005 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8006 trying to remove TRUNCATE check if all bits outside the new mode
8007 are identical to the sign bit.
8009 2006-04-03 Jeff Law <law@redhat.com>
8011 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8012 and operand scanning in some common cases.
8014 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8015 Dale Johannesen <dalej@apple.com>
8018 * regclass.c (struct reg_pref): Update documentation.
8019 (regclass): Set prefclass to NO_REGS if memory is the best option.
8020 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8021 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8022 into account. For non-registers, equate an empty preferred
8023 reload class to a `!' in the constraint; move the if clause to
8024 do so after those that reject the insn.
8025 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8027 (find_dummy_reload): Likewise.
8028 * doc/tm.texi (Register Classes): Document what it means
8029 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8030 * config/i386/i386.c (ix86_preferred_reload_class): Force
8031 using SSE registers (and return NO_REGS for floating-point
8032 constants) if math is done with SSE.
8033 (ix86_preferred_output_reload_class): New.
8034 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8035 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8036 * config/i386/i386.md: Remove # register preferences.
8038 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8041 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8042 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8043 the type of nb_iter.
8044 (instantiate_parameters_1): Convert the operands before calling
8045 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8046 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8048 2006-04-02 Roger Sayle <roger@eyesopen.com>
8050 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8051 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8053 * dojump.c (do_jump): Likewise.
8054 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8055 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8056 gimplify_boolean_expr): Likewise.
8057 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8058 * varasm.c (array_size_for_constructor): Likewise.
8059 * tree-object-size.c (compute_object_offset): Likewise.
8061 2006-04-02 Roger Sayle <roger@eyesopen.com>
8064 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8065 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8067 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8069 PR tree-optimization/26939
8070 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8072 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8074 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8075 at_stmt. Convert the type of operands before calling
8076 build_polynomial_chrec.
8077 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8079 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8080 (instantiate_parameters_1): Convert the type of operands before calling
8081 build_polynomial_chrec.
8082 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8083 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8084 reset_evolution_in_loop): Insert asserts to check the types of the
8086 (chrec_type): Moved...
8087 (eq_evolutions_p): Use operand_equal_p.
8088 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8089 the types of the operands.
8090 (chrec_type): ...here.
8091 * tree-data-ref.c (create_data_ref): Convert the operands before
8092 calling chrec_replace_initial_condition.
8093 (same_access_functions, analyze_subscript_affine_affine,
8094 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8095 (compute_subscript_distance, analyze_ziv_subscript,
8096 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8097 analyze_miv_subscript): Convert the operands before calling
8098 chrec_fold_minus or chrec_fold_plus.
8100 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8102 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8103 the dependence_relations vector.
8104 (compute_data_dependences_for_loop): Adjust call to
8105 compute_all_dependences.
8107 2006-04-01 Roger Sayle <roger@eyesopen.com>
8108 Richard Henderson <rth@redhat.com>
8110 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8111 gimple_boolify on the condition before calling gimplify_expr.
8113 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8115 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8116 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8117 the frame size. Update to use the new macros.
8118 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8119 * config/xtensa/ieee754-df.S: Likewise.
8121 2006-03-31 Richard Henderson <rth@redhat.com>
8123 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8124 (make_edges): ... here. Control fallthru creation with a local
8125 variable. Do not play with fake edges.
8126 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8127 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8130 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8132 * dwarf2.h (DW64_CIE_ID): Define.
8133 * dwarf2out.c (DWARF_CIE_ID): Define.
8134 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8135 length header. Use DWARF_CIE_ID.
8136 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8137 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8139 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8141 * config/sh/linux-atomic.asm: New file.
8142 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8144 2006-03-31 DJ Delorie <dj@redhat.com>
8146 * config/m32c/cond.md: Set condition flags properly throughout.
8147 * config/m32c/minmax.md: Likewise.
8148 * config/m32c/prologue.md: Likewise.
8149 * config/m32c/bitops.md: Likewise.
8150 * config/m32c/muldiv.md: Likewise.
8151 * config/m32c/mov.md: Likewise.
8152 * config/m32c/addsub.md: Likewise.
8153 * config/m32c/m32c.md: Likewise.
8154 * config/m32c/jump.md: Likewise.
8155 * config/m32c/shift.md: Likewise.
8157 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8158 conditionally output the pattern for this.
8159 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8160 (m32c_compare_redundant): New.
8161 (m32c_output_compare): New.
8162 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8164 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8165 dest, not src. Allow other 4-byte modes.
8167 2006-03-30 Denis Chertykov <denisc@overta.ru>
8169 * doc/md.texi: Refer to avr/constraints.md instead of
8172 2006-03-30 Roger Sayle <roger@eyesopen.com>
8174 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8175 signed vs. unsigned comparison failures on some hosts.
8177 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8180 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8181 change to FLOAT_REGS.
8183 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8184 (rs6000_override_options): Use it.
8185 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8186 only for -mabi=spe/no-spe and -mabi=altivec.
8188 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8190 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8193 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8195 * Makefile.in: Rename docdir to gcc_docdir.
8197 2006-03-30 Roger Sayle <roger@eyesopen.com>
8200 * expr.c (emit_group_store): Optimize group stores into a pseudo
8201 register by using a paradoxical subreg to initialize the destination
8202 if the first or last member of the group specifies a "low part".
8204 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8207 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8208 * target.h (struct gcc_target.speculate_insn): Change type of the
8209 second parameter to 'int'.
8210 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8211 the second operand of the DEPS_LIST.
8212 (copy_DEPS_LIST_list): Update reference to the second operand of the
8214 * rtl.h (alloc_DEPS_LIST): Update signature.
8215 * sched-int.h (ds_t): Change typedef to 'int'.
8216 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8218 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8220 * haifa-sched.c (try_ready): Change condition to restore
8221 non-speculative pattern of the instruction.
8222 (process_insn_depend_be_in_spec): Code to keep probability of the
8223 speculative dependence non-decreasing.
8225 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8227 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8228 (single_move_for_movmem): ... this. Also change all uses.
8229 (bfin_expand_strmov): Renamed to...
8230 (bfin_expand_movmem): ... this. Also change all uses.
8231 * config/bfin/bfin.md (movstrsi): Renamed to...
8232 (movstrsi): ...this.
8234 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8236 PR tree-optimization/26830
8238 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8239 (copy_prop_visit_stmt): Remove write-only variable ann.
8240 (init_copy_prop): Check variable loop depth here. Do not simulate
8241 memory-tag and virtual operand PHIs except for store copy prop.
8243 2006-03-30 Richard Guenther <rguenther@suse.de>
8245 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8246 variants with double arguments.
8248 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8250 * genpreds.c (write_tm_constrs_h): Delete variable p.
8251 * genconditions.c (write_header): Add tm-constrs.h to included
8253 * genpeep.c (main): Add toplev.h to included headers.
8254 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8255 (build/genpeep.o): Add toplev.h dependency.
8256 * config/rs6000/constraints.md: Add "W" constraint.
8258 2006-03-29 Roger Sayle <roger@eyesopen.com>
8260 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8261 sizes by correctly testing whether the size fits a host integer.
8262 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8263 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8264 SImode range for the default sizetype and bitsizetype.
8266 2006-03-29 Roger Sayle <roger@eyesopen.com>
8268 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8269 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8270 quickly if the argument is already of the correct type.
8271 Call fold_build1 instead of build1. Tidy up blank lines.
8273 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8275 * genemit.c (main): Add tm-constrs.h to included headers.
8276 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8277 * genpeep.c (main): Add tm-constrs.h to included headers.
8278 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8279 (write_tm_constrs_h): this and write complete file.
8280 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8281 (write_insn_preds_c): Add tm-constrs.h to included headers.
8282 (gen_constrs): New variable.
8283 (parse_option): Parse "-c".
8284 (main): Invoke write_tm_constrs_h.
8285 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8286 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8287 (object_out_file): Add tm-constrs.h dependency.
8288 (insn-emit.o): Same.
8289 (insn-output.o): Same.
8290 (insn-peep.o): Same.
8291 (insn-preds.o): Same.
8292 (insn-recog.o): Same.
8293 (tm-constsr.h): New target.
8294 (s-constrs-h): New target.
8296 * config/rs6000/constraints.md: New file.
8297 * config/rs6000/rs6000.c: Include tm-constrs.h.
8298 (num_insn_constant_wide): Convert to satisfies_constraint.
8299 (rs6000_rtx_costs): Convert to satisfies_constraint.
8300 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8301 (CONST_OK_FOR_LETTER_P): Delete.
8302 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8303 (EXTRA_CONSTRAINT): Delete.
8304 (EXTRA_MEMORY_CONSTRAINT): Delete.
8305 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8306 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8307 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8308 satisfies_constraint.
8310 * config/i386/i386.c: Include tm-constrs.h.
8312 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8314 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8315 * tree-data-ref.c (find_data_references_in_loop,
8316 compute_data_dependences_for_loop): Use pointers to VEC.
8317 (analyze_all_data_dependences): Adjust calls.
8318 * tree-data-ref.h (find_data_references_in_loop,
8319 compute_data_dependences_for_loop): Adjust declarations.
8320 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8321 compute_data_dependences_for_loop.
8323 2006-03-29 Paul Brook <paul@codesourcery.com>
8325 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8328 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8330 PR tree-optimization/26859
8331 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8333 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8334 for the step after fold_convert.
8336 2006-03-29 Paul Brook <paul@codesourcery.com>
8338 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8339 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8341 2006-03-29 Paul Brook <paul@codesourcery.com>
8344 * targhooks.c (default_narrow_bitfield): New fuction.
8345 * targhooks.h (default_narrow_bitfield): add prototype.
8346 * target.h (gcc_target): Add narrow_volatile_bitfield.
8347 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8348 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8349 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8350 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8352 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8354 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8356 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8357 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8358 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8359 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8360 (s390_function_arg_float): Allow SDmode and DDmode values to be
8361 passed in floating point registers.
8362 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8363 check with SCALAR_FLOAT_MODE_P.
8364 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8366 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8368 PR tree-optimization/25985
8369 * tree-ssa-loop-niter.c (number_of_iterations_le,
8370 number_of_iterations_ne): Make comments more precise.
8371 (number_of_iterations_cond): Add only_exit argument. Use the
8372 fact that signed variables do not overflow only when only_exit
8374 (loop_only_exit_p): New.
8375 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8376 number_of_iterations_cond.
8378 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8380 PR tree-optimization/26643
8381 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8384 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8386 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8387 (divsi3_i4_int): Likewise.
8389 2006-03-28 Roger Sayle <roger@eyesopen.com>
8391 * expr.c (emit_group_store): Only create a new pseudo reg if the
8392 quantity it needs to hold isn't already a suitable pseudo.
8394 2006-03-28 Jeff Law <law@redhat.com>
8396 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8397 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8399 2006-03-28 Roger Sayle <roger@eyesopen.com>
8401 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8402 the equivalent ~X & Y, and the symmetry related transformations.
8403 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8404 ~X & Y, and symmetry related transforms.
8406 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8408 Revert my 2006-03-27 patches.
8410 2006-03-28 Roger Sayle <roger@eyesopen.com>
8412 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8413 ~(T1)X, when T1 and T2 are integer types of the same precision
8414 and (T2)X isn't an extension.
8416 2006-03-28 Jeff Law <law@redhat.com>
8418 PR tree-optimization/26796
8419 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8420 need EH edge cleanups rather than purging them immediately.
8421 (eliminate_degenerate_phis): Handle queued EH cleanups.
8423 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8425 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8428 2006-03-27 Roger Sayle <roger@eyesopen.com>
8431 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8432 cast BIT_NOT_EXPR operand to the correct type.
8434 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8436 * tree-loop-linear.c: Don't include varray.h.
8437 (gather_interchange_stats, try_interchange_loops,
8438 linear_transform_loops): Use VEC instead of VARRAY.
8439 * lambda-mat.c: Don't include varray.h.
8440 * tree-chrec.c: Same.
8441 * lambda-trans.c: Same.
8442 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8443 VEC instead of VARRAY.
8444 * tree-vectorizer.h: Idem.
8445 * tree-data-ref.c (dump_data_references,
8446 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8447 initialize_data_dependence_relation, finalize_ddr_dependent,
8448 compute_all_dependences, find_data_references_in_loop,
8449 compute_data_dependences_for_loop, analyze_all_data_dependences,
8450 free_dependence_relation, free_dependence_relations,
8451 free_data_refs): Idem.
8452 * tree-data-ref.h (data_reference_p, subscript_p): New.
8453 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8454 VEC instead of VARRAY.
8455 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8456 (find_data_references_in_loop, compute_data_dependences_for_loop,
8457 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8458 dump_data_dependence_relations, free_dependence_relations,
8459 free_data_refs): Adjust declaration.
8460 (lambda_transform_legal_p): Move declaration here...
8461 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8462 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8463 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8464 vect_analyze_data_refs): Use VEC instead of VARRAY.
8465 * lambda.h (lambda_transform_legal_p): ...from here.
8466 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8467 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8468 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8469 tree-chrec.o): Don't depend on VARRAY_H.
8471 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8473 * rtl.def (Copyright): Update date.
8474 (DEPS_LIST): Change type of the second operand to 'int'.
8475 * target.h (Copyright): Update date.
8476 (struct gcc_target.speculate_insn): Change type of the second parameter
8478 * lists.c (Copyright): Update date.
8479 (alloc_DEPS_LIST): Change signature. Update reference to the second
8480 operand of the DEPS_LIST.
8481 (copy_DEPS_LIST_list): Update reference to the second operand of the
8483 * rtl.h (Copyright): Update date.
8484 (alloc_DEPS_LIST): Update signature.
8485 * sched-int.h (Copyright): Update date.
8486 (ds_t): Change typedef to 'int'.
8487 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8489 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8491 * haifa-sched.c (Copyright): Update date.
8492 (try_ready): Change condition to restore non-speculative pattern
8494 (process_insn_depend_be_in_spec): Code to keep probability of the
8495 speculative dependence non-decreasing.
8497 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8499 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8500 shut up the compiler.
8502 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8504 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8505 to use lib prefix for target.
8506 ($(T)libic_invalidate_array_4-200.a): Likewise.
8507 ($(T)libic_invalidate_array_4a.a): Likewise.
8509 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8510 J"orn Rennecke <joern.rennecke@st.com>
8512 * superh.opt: New file.
8513 * sh.c (boardtype, osruntime): Remove.
8514 * superh.h (SUBTARGET_OPTIONS): Remove.
8515 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8517 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8518 arguments with ^ and/or [].
8520 * config.gcc (sh-*-*): Add quoting to account for quirk of
8522 Replace == with = in enable_incomplete_targets test.
8524 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8525 with MASK_LITTLE_ENDIAN.
8527 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8528 * config/sh/sh.opt: Added to some comments.
8529 * config/sh/superh.h: Removed some chaff.
8531 * config/sh/sh.opt: Add m4-[1234]00* options.
8532 * config/sh/sh.c (sh_handle_option): Likewise.
8533 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8534 (ic_invalidate_array_4-100.o): New rule.
8535 ($(T)libic_invalidate_array_4-100.a): Likewise.
8536 (ic_invalidate_array_4-200.o): Likewise.
8537 ($(T)libic_invalidate_array_4-200.a): Likewise.
8538 (ic_invalidate_array_4a.o): Likewise.
8539 ($(T)libic_invalidate_array_4a.a): Likewise.
8540 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8541 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8543 * config/sh/crt1.asm: Merged in profiling code.
8544 * config/sh/superh.h (STARTFILE_SPEC): Override.
8545 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8546 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8547 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8549 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8550 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8551 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8553 * sh.opt (mpretend-cmove): New option.
8554 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8555 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8556 (movsicc): Add TARGET_PRETEND_CMOVE code.
8558 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8560 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8561 s390_class_max_nregs): New function prototypes.
8562 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8563 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8564 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8565 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8567 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8569 * dwarf2out.c (add_location_or_const_value_attribute): Call
8570 tree_add_const_value_attribute if nothing else works.
8571 (reference_to_unused): New.
8572 (rtl_for_decl_init): Use reference_to_unused to decide whether
8573 to output an initializer.
8575 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8578 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8579 peephole removing spe frob_di_df_2.
8581 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8583 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8584 (subscript_dependence_tester_1): Declared.
8585 (print_dir_vectors, print_dist_vectors): New.
8586 (debug_data_dependence_relation): New.
8587 (dump_data_dependence_relation): Print more details.
8588 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8589 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8590 (save_dist_v, save_dir_v, add_outer_distances,
8591 build_classic_dist_vector_1): New.
8592 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8593 Don't test for lambda_vector_lexico_pos.
8594 (same_access_functions, add_multivariate_self_dist,
8595 add_other_self_distances, dir_from_dist): New.
8596 (build_classic_dir_vector): Replace implementation almost identical to
8597 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8599 (subscript_dependence_tester_1): New.
8600 (subscript_dependence_tester): Handle the lexicographically negative
8601 distance vectors by recomputing the dependence relation.
8602 (compute_affine_dependence): Remove parameter loop_nest_depth.
8603 (compute_self_dependence): Don't call compute_subscript_distance.
8604 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8605 Add a parameter for the loop_nest.
8606 (find_loop_nest_1, find_loop_nest): New.
8607 (compute_data_dependences_for_loop): Compute the loop nest, and give
8608 up if the nest is not well formed.
8609 * tree-data-ref.h (loop_p): New.
8610 (struct data_dependence_relation): Replace size_vect field with
8611 loop_nest, a vec of loops.
8612 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8613 (DDR_LOOP_NEST): New.
8614 (print_dir_vectors, print_dist_vectors,
8615 debug_data_dependence_relation): Declared.
8616 (index_in_loop_nest): New.
8617 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8618 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8621 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8623 * simplify-rtx.c (simplify_relational_operation): Call
8624 simplify_relational_operation_1 even if mode is VOIDmode.
8626 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8628 PR tree-optimization/26804
8629 * tree.h (DECL_CALL_CLOBBERED): New macro.
8630 (tree_decl_common): Add call_clobbered_flag.
8631 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8632 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8633 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8634 (mark_non_addressable): Ditto.
8635 * tree-ssa.c (verify_call_clobbered): New function.
8636 (verify_alias_info): Use it.
8637 * tree-pass.h (pass_reset_cc_flags): New prototype.
8638 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8639 (reset_cc_flags): New function.
8640 * passes.c (init_optimization_passes): Call reset_cc_flags after
8641 initializing referenced_vars.
8643 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8644 Roger Sayle <roger@eyesopen.com>
8647 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8648 to 1.0 for non-real operands. Implement A / A optimization for
8651 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8653 * config/i386/i386.c (size_cost): Correct the comment for
8654 cost of storing fp registers.
8655 (i386_cost): Likewise.
8656 (i486_cost): Likewise.
8657 (pentium_cost): Likewise.
8658 (pentiumpro_cost): Likewise.
8659 (k6_cost): Likewise.
8660 (athlon_cost): Likewise.
8661 (k8_cost): Likewise.
8662 (pentium4_cost): Likewise.
8663 (nocona_cost): Likewise.
8664 (generic64_cost): Likewise.
8665 (generic32_cost): Likewise.
8667 2006-03-24 Denis Chertykov <denisc@overta.ru>
8669 * config/avr/avr-protos.h (extra_constraint): Delete.
8670 (extra_constraint_Q): New declaration.
8671 * config/avr/constraints.md: New file.
8672 * config/avr/avr.md: Include it.
8673 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8674 (TMP_REGNO, ZERO_REGNO): Likewise.
8675 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8676 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8677 (extra_constraint): Delete.
8678 (extra_constraint_Q): Test for memory constraint 'Q'.
8679 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8680 (REG_CLASS_FROM_LETTER): Delete.
8681 (CONST_OK_FOR_LETTER_P): Delete.
8682 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8683 (EXTRA_CONSTRAINT): Delete.
8684 (TMP_REGNO): Delete.
8685 (ZERO_REGNO): Delete.
8687 2006-03-24 Jeff Law <law@redhat.com>
8689 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8690 directly. Call mark_new_vars_to_rename slightly earlier.
8692 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8694 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8696 (gen_compile_unit_die): Use new language types for Objective-C and
8698 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8699 DW_LANG_C_plus_plus.
8702 * config/t-darwin (crt3.o): Work around bug 26840.
8703 * config/darwin-crt3.c: Rewrite.
8704 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8706 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8708 * doc/invoke.texi: Document -femit-class-debug-always
8709 * common.opt: Add -femit-class-debug-always.
8711 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8713 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8714 index and base register.
8715 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8716 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8717 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8718 REGNO_OK_FOR_INDEX_P.
8719 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8721 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8722 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8723 REG_OK_FOR_BASE_P): Definitions removed.
8725 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8728 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8729 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8730 set yet or weren't marked as local yet.
8732 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8734 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8737 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8739 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8740 (rs6000_legitimate_small_data_p): Delete.
8741 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8742 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8743 and make static. Add forward declaration. Update uses.
8744 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8745 of offsettable_memref_p.
8746 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8747 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8749 2006-03-24 Jeff Law <law@redhat.com>
8751 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8752 around bug in immediate-use iterator.
8754 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8757 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8758 or __LITTLE_ENDIAN__.
8760 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8762 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8763 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8764 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8765 * config/sh/sh.opt (mdiv=): Amend description.
8766 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8767 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8768 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8769 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8770 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8771 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8772 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8773 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8774 TARGET_DIVIDE_CALL_FP.
8776 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8778 * haifa-sched.c (choose_ready): Fix type of the local variable.
8779 Move local variables. Add comment.
8780 (check_reg_live): Change signature. Make callable from debugger.
8781 * sched-int.h (check_reg_live): Update signature.
8782 * sched-ebb.c (check_reg_live): Update parameters.
8783 * sched-rgn.c (check_reg_live): Ditto.
8784 (region_head_or_leaf_p): Check pointer before dereferencing.
8785 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8786 before reload on optimization levels below 1.
8788 2006-03-23 Richard Henderson <rth@redhat.com>
8790 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8794 * config/alpha/predicates.md (local_symbolic_operand): Reject
8797 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8800 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8801 expressions which have overflowed constants.
8803 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8805 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8807 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8809 * cfgloopmanip.c (create_loop_notes): Removed.
8810 * final.c (final_scan_insn): Do not handle loop notes.
8811 * jump.c (squeeze_notes): Ditto.
8812 * cfglayout.c (skip_insns_after_block,
8813 duplicate_insn_chain): Ditto.
8814 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8816 * cfgloop.h (create_loop_notes): Declaration removed.
8818 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8820 * varasm.c (output_constant_pool): Restore fnname and fndecl
8822 (assemble_start_function): Adjust call accordingly.
8823 (assemble_end_function): Likewise.
8825 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8828 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8831 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8833 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8836 * system.h (ICE_EXIT_CODE): New macro.
8837 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8838 (diagnostic_action_after_output): Likewise.
8839 * gcc.c (fatal_ice): New function.
8840 (execute): Use it instead of fatal.
8841 (fancy_abort): Likewise.
8842 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8844 2006-03-22 Jeff Law <law@redhat.com>
8846 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8847 iv_analyze_result returning false.
8849 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8851 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8853 2006-03-22 Richard Henderson <rth@redhat.com>
8856 * except.c (duplicate_eh_regions_0): New.
8857 (duplicate_eh_region_1): Duplicate the children of the node as
8858 well as the node itself. Link them up properly.
8859 (duplicate_eh_region_2): Merge into ...
8860 (duplicate_eh_regions): ... here. Take copy_region argument, and
8861 copy only a sub-tree if asked. Simplify copying and fixup.
8862 (eh_region_outer_p): New.
8863 * except.h (duplicate_eh_regions): Update decl.
8864 (eh_region_outer_p): Declare.
8865 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8866 (lower_omp_master): Likewise.
8867 (lower_omp_ordered): Likewise.
8868 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8869 (move_stmt_r): Use it to remap labels. Handle recursion vs
8870 remap_decls_p properly.
8871 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8872 (find_outermost_region_in_block): New.
8873 (new_label_mapper): New.
8874 (move_sese_region_to_fn): Copy eh information to the new function
8876 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8878 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8881 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8883 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8884 into shared libraries.
8886 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8888 * doc/md.texi: Refer to i386/constraints.md instead of
8890 * config/i386/constraints.md: New file, extracted from...
8891 * config/i386/predicates.md: ...here.
8892 * config/i386/i386.md: Include constraints.md.
8894 2006-03-21 Jason Merrill <jason@redhat.com>
8896 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8899 * expr.c (init_block_move_fn): Force default visibility.
8900 (init_block_clear_fn): Likewise.
8901 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8902 * targhooks.c (default_external_stack_protect_fail): Likewise.
8904 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8906 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8907 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8908 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8909 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8910 (loadgp): Use mips_current_loadgp_style.
8911 (loadgp_noshared): New pattern.
8912 (sibcall_internal): Use MIPS_CALL.
8913 (sibcall_value_internal): Likewise.
8914 (sibcall_value_multiple_internal): Likewise.
8915 (call_internal): Likewise.
8916 (call_value_internal): Likewise.
8917 (call_value_multiple_internal): Likewise.
8918 (call_split): Use MIPS_CALL and add an 'S' constraint.
8919 (call_value_split): Likewise.
8920 (call_value_multiple_split): Likewise.
8921 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8922 (-mshared): New option.
8923 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8924 (mips_current_loadgp_style): Declare.
8925 * config/mips/mips.c (mips_classify_symbol): Avoid using
8926 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8927 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8928 TARGET_ABSOLUTE_ABICALLS.
8929 (override_options): Adjust comments. Improve the warning that is
8930 issued when -mabicalls and -G are used together.
8931 (mips_file_start): Remove comment.
8932 (mips_current_loadgp_style): New function.
8933 (mips_gnu_local_gp): New variable.
8934 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8936 (mips_output_function_prologue): Use mips_current_laodgp_style.
8937 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8938 the cprestore instruction.
8939 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8940 live for TARGET_ABSOLUTE_ABICALLS.
8941 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8942 (ASM_SPEC): Pass down -mshared and -mno-shared.
8943 (MIPS_CALL): New macro.
8944 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8946 * doc/invoke.texi (-mabicalls): Update documentation.
8947 (-mshared): Document.
8949 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8951 * config/ia64/unwind-hpux.c: New file.
8952 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8954 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8957 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8959 2006-03-21 Jeff Law <law@redhat.com>
8961 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8962 type conversions of a VR_VARYING source to a wider type.
8964 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8966 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8967 tm_file on Solaris 10 and later.
8968 (sparc64-*-solaris2*): Likewise.
8969 (sparc-*-solaris2*): Likewise.
8970 * config/sol26.h: Rename to config/sol2-6.h.
8971 * config/sol2-10.h: New file.
8973 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8976 * tree-ssa-pre.c (create_component_ref_by_pieces):
8979 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8982 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8983 return it immediately.
8985 2006-03-21 Michael Matz <matz@suse.de>
8987 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8989 (remove_arc, add_arc): Update num_out_arcs member.
8990 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8992 (cache_presence): New function.
8993 (compare_states_for_equiv): New function.
8994 (state_is_differed): Don't take number of outargs, adjust callers.
8995 Use new invariant for speeding up.
8996 (init_equiv_class): Create initial classes based on sorted
8998 (partition_equiv_class): Don't track out_arcs_num.
8999 (evaluate_equiv_classes): Call cache_presence on all states and
9002 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9004 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9005 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9006 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9007 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9009 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9010 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9011 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9012 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9013 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9015 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9016 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9017 (REGNO_REG_CLASS): ARGP is in PREGS.
9018 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9020 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9021 to deal with those addresses.
9022 * addresses.h: New file.
9023 * caller-save.c: Include "addresses.h".
9024 (init_caller_save): Use new base_reg_class function.
9025 * rtl-factoring.c: Include "addresses.h".
9026 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9027 * recog.c: Include "addresses.h".
9028 (preprocess_constraints): Use new base_reg_class function.
9029 * regrename.c: Include "addresses.h".
9030 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9031 functions. Keep track of a new var INDEX_CODE to compute valid
9033 (replace_oldest_value_addr): Likewise.
9034 (replace_oldest_value_mem): Use base_reg_class.
9035 * reload.c: Include "addresses.h".
9036 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9037 (find_reloads): Use new base_reg_class function.
9038 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9039 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9040 all callers and prototype changed.
9041 * reload1.c: Include "addresses.h".
9042 (maybe_fix_stack_asms): Use base_reg_class.
9043 * regclass.c: Include "addresses.h".
9044 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9045 (init_reg_autoinc): Use new base_reg_class function.
9046 (record_reg_classes): Likewise.
9047 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9048 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9049 Use new args to compute necessary class.
9051 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9052 regrename.o, rtl-factoring.o): Update dependencies.
9053 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9054 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9055 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9056 REG_OK_FOR_INDEX_P): Delete documentation.
9058 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9060 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9061 from V7 to V9 for Solaris 7 and above.
9063 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9065 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9066 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9067 argument pointers may not alias any other storage.
9068 * common.opt: Define option -fargument-noalias-anything.
9069 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9070 alias semantics is specified by flag_argument_noalias > 2.
9072 2006-03-20 Jeff Law <law@redhat.com>
9074 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9075 (pass_phi_only_cprop): Declare.
9076 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9078 * tree-ssa-dom.c (degenerate_phi_result): New function.
9079 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9080 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9081 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9082 (eliminate_degenerate_phis): Likewise.
9083 (pass_phi_only_cprop): New pass descriptor.
9084 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9085 support code. Callers updated.
9086 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9087 (store_copy_prop): Likewise.
9088 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9090 2006-03-20 Jason Merrill <jason@redhat.com>
9093 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9094 (push_visibility, pop_visibility): Likewise.
9095 * c-pragma.h: Declare them.
9097 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9099 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9101 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9102 parameter and use get_ebb_head_tail.
9103 (sh_md_init_global): Adjust uses of find_regmode_weight.
9105 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9107 * function.h (struct function) <x_tail_recursion_reentry>:
9108 Rename to x_stack_check_probe_note.
9109 (tail_recursion_reentry): Rename to stack_check_probe_note.
9110 * function.c: Replace tail_recursion_reentry with
9111 stack_check_probe_note everywhere.
9112 (expand_function_start): Only emit a note for
9113 stack_check_probe_note with -fstack-protect.
9114 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9116 * emit-rtl.c (remove_unnecessary_notes): Remove.
9117 (pass_remove_unnecessary_notes): Remove.
9118 * rtl.h (remove_unnecessary_notes): Remove prototype.
9119 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9120 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9121 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9123 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9126 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9127 (valid_in_set): Handle ARRAY_REF.
9128 Change "if min_variant or VH" to asserts.
9129 (create_component_ref_by_pieces): Handle ARRAY_REF.
9130 (create_expression_by_pieces): Likewise.
9131 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9133 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9135 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9136 is operand of switch, not str[0].
9138 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9140 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9141 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9143 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9145 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9146 end of insn_extra_address_constraint declaration.
9148 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9150 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9151 (no-sum-in-toc): Same.
9152 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9154 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9155 NO_FP_IN_TOC for -fPIC instead of mask.
9157 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9158 (BOOT_LDFLAGS): Delete.
9160 * config/rs6000/t-aix52: Same.
9162 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9163 (stmsi[345678]_power): New.
9165 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9167 * config/ia64/ia64.opt: Add empty line to end of file.
9169 2006-03-17 Richard Guenther <rguenther@suse.de>
9172 * builtins.c (get_pointer_alignment): For component style references
9173 adjust alignment to the component type alignment. Make sure
9174 to adjust alignment for component access of constants.
9176 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9178 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9181 2006-03-17 Paul Brook <paul@codesourcery.com>
9183 * doc/install.texi: Docuemnt --with-mode.
9184 * config.gcc: Add --with-mode for arm*-*-*.
9185 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9187 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9189 * sh.c (max_labelno_before_reorg): New variable.
9190 (sh_reorg): Initialize it.
9191 (find_barrier): Check max_labelno_before_reorg before using
9192 label_to_alignment. Take length of explicit alignment insns
9193 into account. When seeing a UNSPECV_CONST_END, return it.
9195 * sh.c (fixup_mova): Set mode of affected label to QImode.
9196 (untangle_mova): New function.
9197 (find_barrier): Use it. Check mode of label before decrementing
9199 (sh_reorg): Likewise.
9200 Set mode of all insns back to VOIDmode.
9202 * sh.c (MOVA_LABELREF): New macro.
9203 (mova_p, fixup_mova, sh_reorg): Use it.
9204 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9205 ADDR_DIFF_VEC matches mova.
9207 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9209 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9210 with ATTRIBUTE_UNUSED.
9212 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9214 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9215 pointer, instead of assuming it is possible to derive the
9216 correct args size from a call insn.
9218 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9220 * rtl.h (CONST_INT_P): Define.
9221 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9222 instead of GET_CODE(x) == CONST_INT.
9223 (vax_rtx_costs): Likewise.
9224 (vax_output_int_move): Likewise.
9225 (vax_output_int_add): Likewise.
9226 (legitimate_constant_address_p): Likewise.
9227 (index_term_p): Likewise.
9228 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9229 * config/vax/vax.md (and<mode>3): Likewise.
9230 (ashrsi3): Likewise.
9232 (movstricthi): Likewise.
9233 (movstrictqi): Likewise.
9234 (rotrsi3): Likewise.
9235 (five unnamed insns): Likewise.
9237 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9239 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9240 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9241 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9242 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9243 Pass to ASM_OUTPUT_DWARF_OFFSET.
9244 * dwarf2out.c (debug_frame_section): New.
9245 (output_call_frame_info): Use debug_frame_section. Pass it to
9246 dw2_asm_output_offset.
9247 (output_die): Pass appropriate section to dw2_asm_output_offset.
9248 (output_compilation_unit_header): Likewise.
9249 (output_pubnames): Likewise.
9250 (output_aranges): Likewise.
9251 (enum dw_val_class): Break dw_val_class_lbl_offset into
9252 dw_val_class_lineptr and dw_val_class_macptr.
9253 (add_AT_lbl_offset): Delete.
9254 (add_AT_lineptr): New.
9255 (add_AT_macptr): New.
9256 (AT_lbl): Expect a lineptr or macptr.
9257 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9258 (attr_checksum): Likewise.
9259 (same_dw_val_p): Likewise.
9260 (size_of_die): Likewise.
9261 (value_format): Likewise.
9262 (output_die): Likewise.
9263 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9265 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9266 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9267 * config/darwin-protos.h (darwin_file_start): New.
9268 (darwin_asm_output_dwarf_offset): New.
9269 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9270 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9272 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9273 if not EH section; simplify.
9274 (darwin_file_start): New.
9275 (darwin_asm_output_dwarf_offset): New.
9276 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9278 (DEBUG_INFO_SECTION): Likewise.
9279 (DEBUG_ABBREV_SECTION): Likewise.
9280 (DEBUG_ARANGES_SECTION): Likewise.
9281 (DEBUG_MACINFO_SECTION): Likewise.
9282 (DEBUG_LINE_SECTION): Likewise.
9283 (DEBUG_LOC_SECTION): Likewise.
9284 (DEBUG_PUBNAMES_SECTION): Likewise.
9285 (DEBUG_STR_SECTION): Likewise.
9286 (DEBUG_RANGES_SECTION): Likewise.
9287 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9288 (ASM_OUTPUT_DWARF_OFFSET): New.
9290 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9292 * config.gcc (tm_defines): Always add to previous value rather
9295 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9297 * config/mips/predicates.md (splittable_const_int_operand): New,
9298 split from move_operand.
9299 (splittable_symbolic_operand): New.
9300 (move_operand): Add commentary. Use splittable_const_int_operand.
9301 Inline mips_atomic_symbolic_constant_p.
9302 * config/mips/mips.md: Add combine splitters for handling moves
9303 of splittable_const_int_operands and splittable_symbolic_operands.
9304 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9305 (mips_split_symbol): Declare.
9306 (mips_move_integer): Declare.
9307 * config/mips/mips.c (mips_split_p): Make global.
9308 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9309 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9310 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9311 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9312 (mips_offset_within_object_p): Handle block symbols.
9313 (mips_atomic_symbolic_constant_p): Delete.
9314 (mips_cannot_force_const_mem): Return false for constants that
9315 mips_legitimize_move can handle.
9316 (mips_use_blocks_for_constant_p): New function.
9317 (mips_split_symbol): Make global.
9318 (mips_move_integer): Likewise. Add a temporary register argument.
9319 (mips_legitimize_const_move): Use splittable_const_int_operand and
9320 splittable_symbolic_operand.
9321 (mips_use_anchors_for_symbol_p): New function.
9322 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9323 (mips_split_p): Declare.
9325 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9327 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9328 (mips*-*-linux*): Likewise.
9330 2006-03-16 Roger Sayle <roger@eyesopen.com>
9331 Daniel Speyer <dspeyer@wam.umd.edu>
9334 * tree-dump.c (dump_real): New function.
9335 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9336 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9337 (tree-dump.o): Add $(REAL_H) to the dependencies.
9339 2006-03-16 Roger Sayle <roger@eyesopen.com>
9342 * real.c (real_from_string): If the mantissa is zero, don't bother
9343 parsing the exponent as the result should always be zero.
9345 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9347 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9349 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9351 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9352 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9353 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9354 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9355 ia64_sched_finish_global): New static functions to implement
9356 hooks from gcc_target.sched.
9357 (spec_check_no, max_uid, pending_data_specs): New static variables.
9358 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9359 ia64_spec_check_src_p): New static functions.
9360 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9361 (TARGET_SCHED_ADJUST_COST): Removed.
9362 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9363 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9364 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9365 TARGET_SCHED_GEN_CHECK,
9366 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9367 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9368 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9369 Fixed to handle speculation checks.
9370 (rtx_needs_barrier): Fixed to handle speculative loads and
9372 (ia64_variable_issue): Added code to count speculative loads and their
9374 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9376 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9378 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9380 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9381 (ia64_reorg): Reset stops_p to NULL after it is freed.
9382 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9383 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9384 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9386 (data_speculative, control_speculative, check_load): New attributes.
9387 (mov<mode>_advanced, mov<mode>_speculative,
9388 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9389 zero_extend<mode>di2_speculative,
9390 zero_extend<mode>di2_speculative_advanced): New patterns for
9391 data and control speculative loads.
9392 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9394 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9395 New pattern for data and control speculation checks.
9396 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9397 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9398 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9399 Auxiliary definitions for the patterns.
9400 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9401 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9403 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9405 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9406 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9407 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9408 New resource constraints.
9409 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9411 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9412 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9413 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9414 msched-in-control-spec, msched-ldc, msched-control-ldc,
9415 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9416 msched-prefer-non-control-spec-insns,
9417 msched-count-spec-in-critical-path): New flags to tune speculative
9419 * doc/invoke.texi (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): Document new flags.
9426 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9428 * target.h (struct spec_info_def): New opaque declaration.
9429 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9430 speculate_insn, needs_block_p, gen_check,
9431 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9432 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9433 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9434 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9435 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9436 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9438 (TARGET_SCHED): Use new macros.
9439 * rtl.h (copy_DEPS_LIST_list): New prototype.
9440 * sched-int.h (struct sched_info): Change signature of new_ready field,
9441 adjust all initializations. New fields: add_remove_insn,
9442 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9443 region_head_or_leaf_p.
9444 (struct spec_info_def): New structure declaration.
9445 (spec_info_t): New typedef.
9446 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9447 recovery_block, orig_pat.
9448 (glat_start, glat_end): New variables declaraions.
9449 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9451 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9452 DETACH_LIFE_INFO, USE_GLAT.
9453 (enum SPEC_SCHED_FLAGS): New enumeration.
9454 (NOTE_NOTE_BB_P): New macro.
9455 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9456 attach_life_info, debug_spec_status, check_reg_live): New functions.
9457 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9458 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9460 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9461 * ddg.c (get_block_head_tail): Adjust all uses.
9462 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9463 (sms_sched_info): Initialize new fields.
9464 (contributes_to_priority): Removed.
9465 * haifa-sched.c (params.h): New include.
9466 (get_block_head_tail): Adjust all uses.
9467 (ISSUE_POINTS): New macro.
9468 (glat_start, glat_end): New global variables.
9469 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9470 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9471 old_last_basic_block, before_recovery, current_sched_info_var,
9472 rgn_n_insns, luid): New static variables.
9473 (insn_cost1): New function. Move logic from insn_cost to here.
9474 (find_insn_reg_weight1): New function. Move logic from
9475 find_insn_reg_weight to here.
9476 (reemit_notes, move_insn, max_issue): Change signature.
9477 (move_insn1): Removed.
9478 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9479 extend_bb): New static functions to support extension of scheduler's
9481 (generate_recovery_code, process_insn_depend_be_in_spec,
9482 begin_speculative_block, add_to_speculative_block,
9483 init_before_recovery, create_recovery_block, create_check_block_twin,
9484 fix_recovery_deps): New static functions to support
9485 generation of recovery code.
9486 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9487 restore_bb_notes, move_block_after_check, move_succs): New static
9488 functions to support ebb scheduling.
9489 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9490 functions to support handling of register live information.
9491 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9492 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9493 add_jump_dependencies): New static functions.
9494 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9495 consistancy checking.
9496 (debug_spec_status): New function to call from debugger.
9497 (priority): Added code to handle speculation checks.
9498 (rank_for_schedule): Added code to distinguish speculative instructions.
9499 (schedule_insn): Added code to handle speculation checks.
9500 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9501 Fixed to handle ebbs.
9502 (move_insn): Added code to handle ebb scheduling.
9503 (max_issue): Added code to use ISSUE_POINTS of instructions.
9504 (choose_ready): Added code to choose between speculative and
9505 non-speculative instructions.
9506 (schedule_block): Added code to handle ebb scheduling and scheduling of
9507 speculative instructions.
9508 (sched_init): Initialize new variables.
9509 (sched_finish): Free new variables. Print statistics.
9510 (try_ready): Added code to handle speculative instructions.
9511 * lists.c (copy_DEPS_LIST_list): New function.
9512 * sched-deps.c (extend_dependency_caches): New function. Move logic
9513 from create_dependency_caches to here.
9514 (get_dep_weak, ds_merge): Make global.
9515 * genattr.c (main): Code to output prototype for
9516 dfa_clear_single_insn_cache.
9517 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9518 (output_dfa_clean_insn_cache_func): Code to output
9519 dfa_clear_single_insn_cache function.
9520 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9522 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9524 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9525 New static variables.
9526 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9527 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9529 (ebb_sched_info): Initialize new fields.
9530 (get_block_head_tail): Adjust all uses.
9531 (compute_jump_reg_dependencies): Fixed to use glat_start.
9532 (schedule_ebb): Code to remove unreachable last block.
9533 (schedule_ebbs): Added code to update register live information.
9534 * sched-rgn.c (region_sched_info): Initialize new fields.
9535 (get_block_head_tail): Adjust all uses.
9536 (last_was_jump): Removed. Adjust users.
9537 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9538 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9539 Implement new hooks.
9540 (check_dead_notes1): New static function.
9541 (struct region): New fields: dont_calc_deps, has_real_ebb.
9542 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9543 (BB_TO_BLOCK): Fixed to handle EBBs.
9544 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9545 (ebb_head): New static variable.
9546 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9547 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9549 (compute_dom_prob_ps): New assertion.
9550 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9551 global_live_at_start.
9552 (init_ready_list): New assertions.
9553 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9554 (new_ready): Add support for BEGIN_CONTROL speculation.
9555 (schedule_insns): Fixed code that updates register live information
9557 (schedule_region): Fixed to handle EBBs.
9558 (init_regions): Use extend_regions and check_dead_notes1.
9559 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9560 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9561 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9562 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9563 TARGET_SCHED_GEN_CHECK,
9564 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9565 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9566 * doc/invoke.texi (max-sched-insn-conflict-delay,
9567 sched-spec-prob-cutoff): Document.
9569 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9571 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9572 inter_tick, queue_index.
9573 (struct sched_info): Change signature of init_ready_list field.
9574 Adjust all initializations.
9575 (RESOLVED_DEPS): New access macro.
9576 (ready_add): Remove prototype.
9577 (try_ready): Add prototype.
9578 * sched-rgn.c (init_ready_list): Use try_ready.
9579 (schedule_region): Initialize
9580 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9581 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9582 (init_ready_list): Use try_ready.
9583 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9584 * lists.c (remove_list_elem): Remove `static'.
9585 (remove_free_INSN_LIST_elem): New function.
9586 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9587 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9588 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9590 (readyp): New variable.
9591 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9592 change_queue_index, resolve_dep): New static functions.
9593 (try_ready): New function. Adjust callers in sched-rgn.c and
9594 sched-ebb.c to use it instead of ready_add.
9595 (clock_var): Move at the begining of file.
9596 (rank_for_schedule): Fix typo.
9597 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9598 (ready_lastpos): Enforce assertion.
9599 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9601 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9602 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9603 (queue_to_ready): Use free_INSN_LIST_list.
9604 (early_queue_to_ready): Fix typo.
9605 (schedule_block): Init readyp. Move init_ready_list call after the
9606 initialization of clock_var. Fix error in rejecting insn by
9607 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9608 that previously corrected INSN_TICKs. Add code for handling
9610 (set_priorities): Fix typo.
9611 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9612 Clarify comment and code that keeps current_sched_info->next_tail
9615 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9617 * sched-rgn.c (extend_rgns): New static function.
9618 (find_rgns): Use it.
9619 (gather_region_statistics, print_region_statistics): New static
9621 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9622 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9624 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9625 Andrey Belevantsev <abel@ispras.ru>
9627 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9628 * lists.c (unused_deps_list): New variable.
9629 (free_list): Add assertions to verify the proper distinguishing
9630 between INSN_LISTs and DEPS_LISTs.
9631 (find_list_elem, remove_list_elem, remove_list_node): New static
9633 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9634 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9635 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9636 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9638 (free_INSN_LIST_node): Likewise.
9639 * modulo-sched.c (current_sched_info): Initialize flags field.
9640 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9641 * rtl.def (DEPS_LIST): Define.
9642 * rtl.h: Declare new functions from lists.c.
9643 * sched-deps.c (spec_dependency_cache): New static variable.
9644 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9645 (add_dependence): Change return type to void. Move the logic to ...
9646 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9647 (delete_all_dependences): Add comment about forward_dependency_cache.
9648 Handle spec_dependency_cache. Handle DEPS_LISTs.
9649 (fixup_sched_groups): Clarify the change of priority of output
9650 and anti dependencies.
9651 (sched_analyze_2): Adjust add_dependence calls to create data
9652 speculative dependence.
9653 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9654 Adjust all callers. Handle DEPS_LISTS.
9655 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9656 presence of speculation.
9657 (init_dependency_caches, free_dependency_caches):
9658 Handle spec_dependency_cache.
9659 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9660 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9661 New static functions.
9662 (add_or_update_back_dep, add_or_update_back_forw_dep,
9663 add_back_forw_dep, delete_back_forw_dep): New functions.
9664 * sched-int.h (ds_t, dw_t): New typedefs.
9665 (struct sched_info): Add new field flags.
9666 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9667 Prototype new sched-deps.c functions.
9668 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9669 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9670 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9671 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9672 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9673 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9675 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9677 * sched-rgn.c (current_sched_info): Initialize flags field.
9678 (schedule_insns): Initialize current_sched_info before the sched_init
9680 * sched-ebb.c (current_sched_info): Initialize flags field.
9681 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9682 Call add_or_update_back_dep instead of add_dependence.
9683 Create control speculative dependencies.
9684 (schedule_insns): Initialize current_sched_info before the sched_init
9687 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9689 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9691 (sh_fallback_frame_state): Likewise.
9693 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9695 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9696 Do switch on default_use_cxa_atexit.
9697 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9698 * config/darwin-crt3.o: New.
9699 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9700 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9701 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9703 * config/rs6000/t-darwin: Move crt2.o building to here.
9704 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9705 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9708 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9710 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9711 from '! xxx' to '!xxx' for coding-style conformance.
9712 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9713 (EXTRA_CONSTRAINT): Likewise.
9714 * config/vax/vax.md (four unnamed insns): Likewise.
9716 2006-03-15 Paul Brook <paul@codesourcery.com>
9718 * config/arm/arm.c (minipool_pad): New.
9719 (add_minipool_forward_ref): Include pool alignment padding in address
9721 (push_minipool_fix): Set minipool_pad.
9722 (minipool_pad): Ditto.
9724 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9726 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9727 instead of GET_CODE() == MEM and REG_P() instead of
9729 (print_operand_address): Likewise.
9730 (vax_address_cost): Likewise.
9731 (vax_rtx_costs): Likewise.
9732 (vax_notice_update_cc): Likewise.
9733 (vax_output_int_add): Likewise.
9734 (INDEX_REGISTER_P): Likewise.
9735 (BASE_REGISTER_P): Likewise.
9736 (nonindexed_address_p): Likewise.
9737 (vax_mode_dependent_address_p): Likewise.
9738 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9739 (PRINT_OPERAND): Likewise.
9740 * config/vax/vax.md (ashlsi3): Likewise.
9741 (ashlsi3): Likewise.
9742 (some more unnamed insns): Likewise.
9744 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9746 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9747 iterator-style macro.
9748 (mark_control_dependent_edges_necessary): Update the use of
9749 EXECUTE_IF_CONTROL_DEPENDENT.
9751 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9753 * config/sh/predicates.md (cache_address_operand): Special.
9754 (ua_address_operand): Likewise.
9756 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9758 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9760 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9762 2006-03-15 Andreas Schwab <schwab@suse.de>
9764 * gensupport.c (identify_predicable_attribute): Don't free p_false
9765 when it is still in use.
9767 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9769 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9770 the default setting here.
9772 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9774 * tree-pass.h (pass_cfg): Remove.
9775 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9776 * passes.c (pass_cfg): Don't run it.
9778 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9780 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9781 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9783 (stack_regs_mentioned): Update the uses of
9784 stack_regs_mentioned_data. Don't access the array beyond its
9786 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9787 Don't include gt-reg-stack.h.
9789 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9790 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9792 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9795 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9798 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9800 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9802 2006-03-14 Richard Guenther <rguenther@suse.de>
9804 PR tree-optimization/26672
9805 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9808 2006-03-14 Richard Guenther <rguenther@suse.de>
9810 PR tree-optimization/26667
9811 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9812 node for the callees. Always allow inlining if it will shrink
9815 2006-03-14 Richard Guenther <rguenther@suse.de>
9818 * builtins.c (get_pointer_alignment): Prefer alignment
9819 information from decls over that from types.
9821 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9824 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9826 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9828 * config/rs6000/rs6000.opt (mdlmzb): New option.
9829 (msched-prolog, msched-epilog): Use Var not Mask.
9830 * doc/invoke.texi (-mdlmzb): Document.
9831 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9833 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9834 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9836 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9838 PR rtl-optimization/25739
9839 * bt-load.c (augment_live_range): Free tos pointer.
9841 * gensupport.c (identify_predicable_attribute): Free
9843 * gcov.c (create_file_names): Free name pointer.
9845 2006-03-13 Roger Sayle <roger@eyesopen.com>
9848 * stmt.c (emit_case_nodes): Handle the case where the index is a
9849 CONST_INT, where the comparison mode is specified by the index type.
9851 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9853 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9856 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9858 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9859 (*branch_fp_inverted): Likewise.
9861 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9864 * omp-low.c (expand_omp_for_generic): Mark istart0
9865 and iend0 as addressable.
9867 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9869 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9871 2006-03-13 Jeff Law <law@redhat.com>
9873 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9874 virtual operands are interesting.
9875 (vrp_visit_stmt): Corresponding changes.
9877 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9879 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9881 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9882 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9883 * config/bfin/crti.S: Use it instead of __PIC__.
9884 * config/bfin/crtn.S: Likewise.
9886 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9887 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9889 Lose 'G' modifier for call operand.
9890 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9891 recognize 'G' modifier.
9893 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9896 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9897 * stmt.c (expand_case): Likewise.
9899 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9901 PR rtl-optimization/26254
9902 * loop-invariant.c (seq_insns_valid_p): New function.
9903 (move_invariant_reg): Only emit new code if it is valid.
9905 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9907 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9909 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9910 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9911 (commit_one_edge_insertion): Do not look for loop notes.
9913 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9915 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9916 flag_test_coverage out of loop.
9918 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9920 * final.c (shorten_branches): Remove outdated comment, and turn
9921 the if branch that guards it to continue.
9923 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9925 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9926 * cfgloop.h (struct loop): Remove unused fields.
9928 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9930 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9931 (-dL, -fdump-rtl-loop2): Update the dump file names
9933 * doc/invoke.texi: Update dump file names.
9935 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9937 * predict.c (estimate_probability): Remove.
9938 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9939 * basic-block.h (estimate_probability): Remove prototype.
9940 * passes.c (finish_optimization_passes): Dump branch prediction or
9941 profiling heuristics to the .profile tree dump.
9942 (init_optimization_passes): Unqueue pass_branch_prob.
9944 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9946 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9948 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9949 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9951 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9953 * function.h (frame_offset_overflow): Declare.
9954 * function.c (frame_offset_overflow): New function.
9955 (assign_stack_local_1): Call it to detect that the offset overflows.
9956 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9958 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9960 * config/sh/sh.c: Include alloc-pool.h.
9961 (label_ref_list_pool): New alloc pool.
9962 (label_ref_list_t): New type for lists of labels.
9963 (struct pool_node): Make wend a label_ref_list_t.
9964 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9966 (dump_table): Likewise.
9967 (sh_reorg): Set up the alloc pool before using add_constant and
9968 dump_table, and destroy it when finishing.
9970 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9972 * config/mips/mips.c: Remove redundant comment.
9974 2006-03-10 Jason Merrill <jason@redhat.com>
9977 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9978 the target was declared 'register'.
9980 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9982 * genpreds.c (write_insn_constraint_len): Change definition of
9983 insn_constraint_len to return size_t to match the declaration.
9985 2006-03-10 DJ Delorie <dj@redhat.com>
9987 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9989 (m32c_expand_insv): Fix test for an AND mask.
9991 2006-03-10 Richard Guenther <rguenther@suse.de>
9994 * builtins.c (get_pointer_alignment): Handle component
9995 references for field alignment.
9997 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9999 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10000 when building with libgloss.
10001 (sh*elf): Implement --without-fp option.
10002 (sh64-superh-linux*): Don't multilib.
10004 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10006 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10008 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10010 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10011 Set it when one of the replacement functions returned true.
10012 Return TODO_cleanup_cfg if cfgchanged is true.
10013 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10015 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10017 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10018 instead of gen_lowpart.
10020 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10022 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10024 (mips_output_order_conditional_branch): Declare.
10025 * config/mips/mips.h (MIPS_BRANCH): New macro.
10026 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10027 for the comparison. Use gen_condjump.
10028 (mips_output_conditional_branch): Rework interface to take the
10029 asm templates for a direct branch and the inverse of a direct branch.
10030 (mips_output_order_conditional_branch): New function.
10031 (mips_builtin_branch_and_move): New function.
10032 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10033 branch condition. Use gen_single_cc as the condition for
10034 __builtin_mips_upper_* or __builtin_mips_lower_*.
10035 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10036 Use VOIDmode for the branch condition.
10037 * config/mips/predicates.md (order_operator): New predicate.
10038 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10039 (branch_fp): Rename to...
10040 (*branch_fp): ...this. Remove mode from comparison operator.
10041 Use new mips_output_conditional_branch interface.
10042 (branch_fp_inverted): Rename to...
10043 (*branch_fp_inverted): ...this and update as for *branch_fp.
10044 (*branch_zero<mode>): Rename to...
10045 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10046 Use mips_output_order_conditional_branch. Only accept ordered
10048 (*branch_zero<mode>_inverted): Rename to...
10049 (*branch_order<mode>_inverted): ...this and update as for
10050 *branch_order<mode>.
10051 (*branch_equality<mode>): Accept zero as the second operand to
10052 the equality operator. Use the new mips_output_conditional_branch
10054 (*branch_equality<mode>_inverted): Likewise.
10055 (condjump): New expander.
10056 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10058 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10059 (bc1any2t, bc1any2f): Likewise.
10060 (single_cc): New expander.
10061 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10063 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10065 * doc/md.texi: Update documentation of MIPS constraints.
10066 * config/mips/constraints.md: New file.
10067 * config/mips/mips.md: Include it.
10068 * config/mips/mips.c (mips_char_to_class): Delete.
10069 (override_options): Don't initialize mips_char_to_class.
10070 * config/mips/mips.h (mips_char_to_class): Delete.
10071 (REG_CLASS_FROM_LETTER): Delete.
10072 (CONST_OK_FOR_LETTER_P): Delete.
10073 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10074 (EXTRA_CONSTRAINT_Y): Delete.
10075 (EXTRA_CONSTRAINT_STR): Delete.
10076 (CONSTRAINT_LEN): Delete.
10077 (EXTRA_MEMORY_CONSTRAINT): Delete.
10079 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10081 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10082 original fn's eh regions.
10084 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10086 * fold-const.c (build_range_check): Make sure to use a valid type to
10087 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10090 (range_predecessor): New static function.
10091 (range_successor): Likewise.
10092 (merge_ranges): Use them to compute predecessors and successors of
10095 2006-03-09 Roger Sayle <roger@eyesopen.com>
10097 PR middle-end/26561
10098 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10099 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10101 2006-03-08 DJ Delorie <dj@redhat.com>
10103 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10104 (addpsi3): Expand to include memory operands. Remove
10105 reload-specific splits.
10106 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10107 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10108 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10109 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10110 (shift1_qi, shift1_hi, insv): New.
10111 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10112 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10113 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10115 * config/m32c/m32c-protos.h: Update as needed.
10116 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10117 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10118 Fail for unrecognized R* constraints.
10119 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10120 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10121 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10123 (m32c_init_libfuncs): New.
10124 (m32c_legitimate_address_p): Add debug wrapper.
10125 (m32c_rtx_costs): New.
10126 (m32c_address_cost): New.
10127 (conversions): Add 'B' prefix.
10128 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10129 operands, or word regnames for QI operands. 'B' prints bit
10131 (m32c_expand_setmemhi): New.
10132 (m32c_expand_movmemhi): New.
10133 (m32c_expand_movstr): New.
10134 (m32c_expand_cmpstr): New.
10135 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10136 (m32c_expand_neg_mulpsi3): Handle non-ints.
10137 (m32c_cmp_flg_0): New.
10138 (m32c_expand_movcc): New.
10139 (m32c_expand_insv): New.
10140 (m32c_scc_pattern): New.
10141 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10142 a0/a1 out of SIregs.
10143 (STORE_FLAG_VALUE): New.
10144 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10147 * config/m32c/mov.md: Make constraints more liberal.
10148 (zero_extendqihi2): Optimize r0/r1 case.
10149 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10150 * config/m32c/predicates.md (m32c_any_operand): New.
10151 (m32c_nonimmediate_operand): New.
10152 (m32c_hl_operand): New.
10153 (m32c_r3_operand): New.
10156 (memsym_operand): New.
10157 (memimmed_operand): New.
10158 (a_qi_operand): New.
10159 (m32c_eqne_operator): New.
10160 (m32c_1bit8_operand): New.
10161 (m32c_1bit16_operand): New.
10162 (m32c_1mask8_operand): New.
10163 (m32c_1mask16_operand): New.
10164 * config/m32c/blkmov.md: New file.
10165 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10167 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10169 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10170 unsigned to fix signed/unsigned comparison issue in
10171 DWARF2_FRAME_REG_OUT.
10172 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10173 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10175 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10176 of ptr into the ENABLE_CHECKING section.
10178 2006-03-08 Jeff Law <law@redhat.com>
10180 * tree-vrp.c (infer_value_range): Only count pointer uses
10181 and dereferences if -fdelete-null-pointer-checks is enabled.
10183 * tree-vrp.c (find_assert_locations): Infer value ranges for
10184 single use pointers, but do not create ASSERT_EXPRs for them.
10185 When a non-null range is inferred for a pointer, backwards
10186 propagate that range to other equivalent pointers through the
10189 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10192 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10193 language hook targets.
10194 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10195 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10196 if language hook targets were missing.
10198 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10200 * tree-ssa-opfinalize.h: Removed.
10201 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10203 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10204 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10205 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10206 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10207 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10208 finalize_ssa_v_must_def_ops): New.
10210 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10212 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10213 block as parameter.
10215 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10217 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10219 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10220 addresses with offsets; reorganize.
10222 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10223 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10224 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10226 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10229 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10231 2006-03-08 Ben Elliston <bje@au.ibm.com>
10233 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10235 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10238 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10241 2006-03-07 Richard Guenther <rguenther@suse.de>
10243 PR tree-optimization/26587
10244 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10246 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10248 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10250 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10252 * hooks.c (hook_bool_mode_rtx_true): New function.
10253 * hooks.h (hook_bool_mode_rtx_true): Declare.
10254 * toplev.c (compile_file): Call output_shared_constant_pool.
10255 * varasm.c (shared_constant_pool): New variable.
10256 (assemble_start_function, assemble_end_function): Remove arguments
10257 from call to output_constant_pool.
10258 (create_constant_pool): New function, split out from...
10259 (init_varasm_status): ...here.
10260 (force_const_mem): Choose between the shared and per-function constant
10261 pools. Set current_function_uses_const_pool when reusing old entries
10262 as well as when creating new ones.
10263 (mark_constant): Ignore data argument.
10264 (mark_constants): Remove pool argument.
10265 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10266 to decide whether the function uses a constant pool.
10267 (output_constant_pool_contents): New function, split out from...
10268 (output_constant_pool): ...here.
10269 (output_shared_constant_pool): New function.
10270 (init_varasm_once): Initialize shared_constant_pool.
10271 * output.h (output_constant_pool): Delete.
10272 (output_shared_constant_pool): Declare.
10273 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10274 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10276 2006-03-06 Nick Clifton <nickc@redhat.com>
10278 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10279 flag_strength_reduce.
10281 2006-03-06 Ben Elliston <bje@au.ibm.com>
10283 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10284 x86_64-*-linux* configurations.
10286 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10287 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10289 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10291 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10293 * basic-block.h: Remove the extern for
10294 rediscover_loops_after_threading.
10296 * cfgloop.c (cancel_loop): Make it static.
10297 * cfgloop.h: Remove the prototype for cancel_loop.
10299 * flow.c (recompute_reg_usage): Make it static.
10300 * rtl.h: Remove the prototype for recompute_reg_usage.
10302 * function.c (use_return_register): Make it static.
10303 * function.h: Remove the prototype.
10305 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10307 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10309 * recog.h: Remove the prototype for
10310 validate_change_maybe_volatile.
10312 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10314 * rtlanal.c (replace_reg): Remove.
10315 * rtl.h: Remove the prototype for replace_reg.
10317 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10319 * regclass.c (reg_scan_update): Remove.
10320 (reg_scan_mark_refs): Remove the last argument.
10321 * rtl.h: Remove the prototype for reg_scan_update.
10323 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10325 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10326 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10327 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10328 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10329 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10330 loop-invariant.c, omp-low.c, opts.c, passes.c,
10331 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10332 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10333 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10334 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10335 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10336 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10338 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10340 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10341 * dwarf2out.h: Remove the prototype for
10342 dwarf2out_add_library_unit_info.
10344 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10346 * tree.c (add_var_to_bind_expr): Remove.
10347 * tree.h: Remove the prototype for add_var_to_bind_expr.
10349 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10351 * regclass.c (n_non_fixed_regs): Remove.
10352 (init_reg_sets_1, globalize_reg): Remove all uses of
10354 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10356 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10358 * rtlanal.c (insns_safe_to_move_p): Remove.
10359 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10361 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10363 * expmed.c (expand_mult_add): Remove.
10364 * expr.h: Remove the prototype for expand_mult_add.
10366 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10368 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10369 and REG_SAVED_VAL_EXP constants.
10370 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10371 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10372 Handle regs stored by value.
10373 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10374 (execute_cfa_program): Handle DW_CFA_val_offset,
10375 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10376 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10377 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10378 (uw_install_context_1): Handle target regs stored by value.
10380 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10382 * tree-sra.c (tree_sra): Return todoflags;
10383 (generate_one_element): Set TODO_update_smt_usage if needed.
10384 (pass_sra): Remove TODO_update_smt_usage.
10385 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10387 (tree_ssa_forward_propagate_single_use_vars): Return
10388 TODO_update_smt_usage if we need to update SMT usage.
10389 (pass_forwprop): Remove TODO_update_smt_usage.
10391 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10393 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10394 (correct_use_link): Remove reference to get_stmt_operands.
10395 (update_stmt_operands): Likewise.
10396 (get_modify_expr_operands): New function factored out of
10397 parse_ssa_operands and get_expr_operands.
10398 Try to create V_MUST_DEFs for LHS by default.
10399 (get_expr_operands) <case MODIFY_EXPR>: Call
10400 get_modify_expr_operands.
10401 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10402 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10403 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10404 get_modify_expr_operands.
10406 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10408 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10409 * tree-flow.h: Remove the prototype for
10410 referenced_var_lookup_if_exists.
10412 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10414 PR rtl-optimization/26345
10416 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10418 2006-03-03 Roger Sayle <roger@eyesopen.com>
10420 PR tree-optimization/26524
10421 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10422 fold_convert to create a constant of the appropriate type.
10424 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10426 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10427 SYMBOL_REF_IN_BLOCK_P.
10428 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10429 of SYMBOL_FLAG_IN_BLOCK.
10430 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10431 instead of SYMBOL_REF_IN_BLOCK_P.
10432 * explow.c (use_anchored_address): Likewise.
10433 * rtl.c (rtx_size): Likewise.
10434 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10435 instead of SYMBOL_FLAG_IN_BLOCK.
10436 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10437 SYMBOL_REF_IN_BLOCK_P.
10438 (assemble_variable): Likewise.
10439 (output_constant_def_contents): Likewise.
10440 (output_constant_pool): Likewise.
10441 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10442 instead of SYMBOL_FLAG_IN_BLOCK.
10443 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10444 SYMBOL_REF_IN_BLOCK_P.
10445 (SYMBOL_REF_BLOCK): Likewise.
10446 (SYMBOL_REF_OFFSET): Likewise.
10447 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10448 SYMBOL_REF_IN_BLOCK_P.
10449 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10450 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10451 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10452 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10454 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10456 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10458 2006-03-02 Roger Sayle <roger@eyesopen.com>
10460 * simplify-rtx.c (simplify_unary_operation): When simplifying
10461 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10462 that we perform the right shift in the appropriate mode, and
10463 then extend or truncate the result to requested mode.
10465 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10467 * gengtype.c (main): Handle double_int type.
10468 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10469 * double-int.c: New file.
10470 * double-int.h: New file.
10471 * system.h: Include doubleint.h.
10472 * Makefile.in (SYSTEM_H): Include double-int.h.
10473 (double-int.o): Add.
10475 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10478 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10481 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10483 * tree-vrp.c (remove_range_assertions): Do not update statements
10486 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10488 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10490 * gcse.c (rest_of_handle_gcse): Ditto.
10491 * except.c (gate_handle_eh): Ditto.
10492 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10493 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10495 2006-03-02 Eric Christopher <echristo@apple.com>
10497 * config/i386/i386.c (machopic_output_stub): Add indirection to
10500 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10504 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10506 Sun Niagara specific optimizations.
10507 * config.gcc: Recognize niagara as target.
10508 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10509 (TARGET_CPU_niagara): Define.
10510 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10511 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10512 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10513 (ASM_CPU_SPEC): Likewise.
10514 (PROCESSOR_NIAGARA): New enum entry.
10515 (REGISTER_MOVE_COST): Handle Niagara.
10516 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10517 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10518 (sparc_override_options): Recognize "niagara", set appropriate
10519 default MASK_* values for it, and align functions to 32-bytes
10520 by default just like ULTRASPARC/ULTRASPARC3.
10521 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10522 (sparc64_initialize_trampoline): Likewise.
10523 (sparc_use_sched_lookahead): Use zero for niagara.
10524 (sparc_issue_rate): Use one for niagara.
10525 * config/sparc/niagara.md: New file.
10526 * config/sparc/sparc.md: Include it.
10527 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10528 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10529 when default cpu is niagara.
10530 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10531 (ASM_CPU_SPEC): Likewise.
10532 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10533 when default cpu is niagara.
10534 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10535 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10536 just like v9/ultrasparc/ultrasparc3.
10537 * doc/invoke.texi: Add documentation for "niagara" and improve
10538 existing documentation for ultrasparc variants.
10540 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10542 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10544 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10546 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10547 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10548 and say that only one is needed.
10549 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10550 * target.h (have_switchable_bss_sections): New hook.
10551 * explow.c (use_anchored_address): Check that the symbol is in a block.
10552 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10553 (bss_noswitch_section): New variables.
10554 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10555 (get_noswitch_section): New function.
10556 (get_block_for_section): Allow SECT to be null.
10557 (unlikely_text_section_p): Use SECTION_STYLE.
10558 (bss_initializer_p): New function.
10559 (get_variable_section): Move earlier in file. Take a new argument,
10560 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10561 Return one of the new *_sections in such cases.
10562 (get_block_for_decl): New function, extracting some logic from
10563 use_blocks_for_decl_p.
10564 (change_symbol_section): Remove in favor of...
10565 (change_symbol_block): ...this new function.
10566 (use_blocks_for_decl_p): Remove checks now performed by
10567 get_block_for_decl.
10568 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10569 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10570 (emit_local, emit_bss, emit_common): ...these new functions.
10571 Return true if the alignment was honored.
10572 (emit_tls_common): New function.
10573 (asm_emit_uninitialised): Delete.
10574 (assemble_variable_noswitch): New function, split out from...
10575 (assemble_variable): ...here. Don't make decisions about common
10576 variables here. Globalize all public decls that go into non-common
10577 sections. Check whether SYMBOL_REF_BLOCK is null.
10578 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10579 (output_constant_pool): Likewise.
10580 (init_varasm_once): Initialize the new section variables.
10581 (have_global_bss_p): New function.
10582 (categorize_decl_for_section): Use bss_initializer_p.
10583 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10584 (place_block_symbol): Assert that the symbol must be in a block.
10585 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10586 (TARGET_INITIALIZER): Include it.
10587 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10588 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10589 (SECTION_MACH_DEP): Bump by two.
10590 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10591 (unnamed_section): Mention SECTION_UNNAMED in comment.
10592 (named_section): Likewise SECTION_NAMED.
10593 (noswitch_section_callback): New type.
10594 (noswitch_section): New structure.
10595 (section): Add a noswitch_section alternative.
10596 (SECTION_STYLE): New macro.
10597 (tls_comm_section, comm_section, lcomm_section): Declare.
10598 (bss_noswitch_section, have_global_bss_p): Declare.
10599 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10600 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10602 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10603 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10606 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10608 * tree-vrp.c (execute_vrp): Return value.
10609 * regrename.c (rest_of_handle_regrename): Ditto.
10610 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10611 * tree-complex.c (tree_lower_complex): Ditto.
10612 (tree_lower_complex_O0): Ditto.
10613 * tracer.c (rest_of_handle_tracer): Ditto.
10614 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10615 * postreload.c (rest_of_handle_postreload): Ditto.
10616 * tree-tailcall.c (execute_tail_recursion): Ditto.
10617 (execute_tail_calls): Ditto.
10618 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10619 * tree.h (init_function_for_compilation): Ditto.
10620 * ipa-cp.c (ipcp_driver): Ditto.
10621 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10622 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10623 * final.c (compute_alignments): Ditto.
10624 (rest_of_handle_final): Ditto.
10625 (rest_of_handle_shorten_branches): Ditto.
10626 (rest_of_clean_state): Ditto.
10627 * omp-low.c (execute_expand_omp): Ditto.
10628 (execute_lower_omp): Ditto.
10629 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10630 * ipa-reference.c (static_execute): Ditto.
10631 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10632 * reorg.c (rest_of_handle_delay_slots): Ditto.
10633 (rest_of_handle_machine_reorg): Ditto.
10634 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10635 * flow.c (recompute_reg_usage): Ditto.
10636 (rest_of_handle_remove_death_notes): Ditto.
10637 (rest_of_handle_life): Ditto.
10638 (rest_of_handle_flow2): Ditto.
10639 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10640 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10641 (do_ssa_store_ccp): Ditto.
10642 (execute_fold_all_builtins): Ditto.
10643 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10644 * modulo-sched.c (rest_of_handle_sms): Ditto.
10645 * ipa-pure-const.c (static_execute): Ditto.
10646 * cse.c (rest_of_handle_cse): Ditto.
10647 (rest_of_handle_cse2): Ditto.
10648 * web.c (rest_of_handle_web): Ditto.
10649 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10650 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10651 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10652 * tree-nrv.c (tree_nrv): Ditto.
10653 (execute_return_slot_opt): Ditto.
10654 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10655 (create_structure_vars): Ditto.
10656 * loop-init.c (rtl_loop_init): Ditto.
10657 (rtl_loop_done): Ditto.
10658 (rtl_move_loop_invariants): Ditto.
10659 (rtl_unswitch): Ditto.
10660 (rtl_unroll_and_peel_loops): Ditto.
10661 (rtl_doloop): Ditto.
10662 * gimple-low.c (lower_function_body): Ditto.
10663 (mark_used_blocks): Ditto.
10664 * tree-ssa-sink.c (execute_sink_code): Ditto.
10665 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10666 (cgraph_early_inlining): Ditto.
10667 * global.c (rest_of_handle_global_alloc): Ditto.
10668 * jump.c (cleanup_barriers): Ditto.
10669 (purge_line_number_notes): Ditto.
10670 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10671 (rest_of_handle_if_after_reload): Ditto.
10672 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10673 (tree_ssa_loop_im): Ditto.
10674 (tree_ssa_loop_unswitch): Ditto.
10675 (tree_vectorize): Ditto.
10676 (tree_linear_transform): Ditto.
10677 (tree_ssa_loop_ivcanon): Ditto.
10678 (tree_ssa_empty_loop): Ditto.
10679 (tree_ssa_loop_bounds): Ditto.
10680 (tree_complete_unroll): Ditto.
10681 (tree_ssa_loop_prefetch): Ditto.
10682 (tree_ssa_loop_ivopts): Ditto.
10683 (tree_ssa_loop_done): Ditto.
10684 * predict.c (tree_estimate_probability): Ditto.
10685 * recog.c (split_all_insns_noflow): Ditto.
10686 (rest_of_handle_peephole2): Ditto.
10687 (rest_of_handle_split_all_insns): Ditto.
10688 * tree-eh.c (lower_eh_constructs): Ditto.
10689 * regmove.c (rest_of_handle_regmove): Ditto.
10690 (rest_of_handle_stack_adjustments): Ditto.
10691 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10692 * function.c (instantiate_virtual_regs): Ditto.
10693 (init_function_for_compilation): Ditto.
10694 (rest_of_handle_check_leaf_regs): Ditto.
10695 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10696 (rest_of_handle_gcse): Ditto.
10697 * ipa-type-escape.c (type_escape_execute): Ditto.
10698 * alias.c (rest_of_handle_cfg): Ditto.
10699 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10700 * profile.c (rest_of_handle_branch_prob): Ditto.
10701 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10702 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10703 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10704 * tree-dfa.c (find_referenced_vars): Ditto.
10705 * except.c (set_nothrow_function_flags): Ditto.
10706 (convert_to_eh_region_ranges): Ditto.
10707 (rest_of_handle_eh): Ditto.
10708 * emit-rtl.c (unshare_all_rtl): Ditto.
10709 (remove_unnecessary_notes): Ditto.
10710 * except.h (set_nothrow_function_flags): Ditto.
10711 (convert_to_eh_region_ranges): Ditto.
10712 * cfgexpand.c (tree_expand_cfg): Ditto.
10713 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10714 * tree-ssa-pre.c (do_pre): Ditto.
10715 (execute_fre): Ditto.
10716 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10717 (rest_of_handle_jump2): Ditto.
10718 * tree-sra.c (tree_sra): Ditto.
10719 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10720 (execute_mudflap_function_decls): Ditto.
10721 * tree-ssa-copy.c (do_copy_prop): Ditto.
10722 (do_store_copy_prop): Ditto.
10723 * ipa-prop.h (ipcp_driver): Ditto.
10724 * cfglayout.c (insn_locators_initialize): Ditto.
10725 * tree-ssa-forwprop.c
10726 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10727 * cfglayout.h (insn_locators_initialize): Ditto.
10728 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10729 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10730 (execute_late_warn_uninitialized): Ditto.
10731 * rtl.h (cleanup_barriers): Ditto.
10732 (split_all_insns_noflow): Ditto.
10733 (purge_line_number_notes): Ditto.
10734 (unshare_all_rtl): Ditto.
10735 (remove_unnecessary_notes): Ditto.
10736 (recompute_reg_usage): Ditto.
10737 (variable_tracking_main): Ditto.
10738 * integrate.c (emit_initial_value_sets): Ditto.
10739 * integrate.h (emit_initial_value_sets): Ditto.
10740 * tree-optimize.c (execute_free_datastructures): Ditto
10741 (execute_free_cfg_annotations): Ditto.
10742 (execute_fixup_cfg): Ditto.
10743 (execute_cleanup_cfg_pre_ipa): Ditto.
10744 (execute_cleanup_cfg_post_optimizing): Ditto.
10745 (execute_init_datastructures): Ditto.
10746 * tree-object-size.c (compute_object_sizes): Ditto.
10747 * combine.c (rest_of_handle_combine): Ditto.
10748 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10749 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10750 (rest_of_handle_reorder_blocks): Ditto.
10751 (rest_of_handle_partition_blocks): Ditto.
10752 * var-tracking.c (variable_tracking_main): Ditto.
10753 * tree-profile.c (tree_profiling): Ditto.
10754 * tree-vect-generic.c (expand_vector_operations): Ditto.
10755 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10756 * sched-rgn.c (rest_of_handle_sched): Ditto.
10757 (rest_of_handle_sched2): Ditto.
10758 * basic-block.h (free_bb_insn): Ditto.
10759 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10760 * tree-cfg.c (execute_build_cfg): Ditto.
10761 (remove_useless_stmts): Ditto.
10762 (split_critical_edges): Ditto.
10763 (execute_warn_function_return): Ditto.
10764 (execute_warn_function_noreturn): Ditto.
10765 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10766 * cfgrtl.c (free_bb_for_insn): Ditto.
10767 * passes.c (execute_one_pass): Run additional
10768 todos returned by execute function.
10769 * tree-pass.h (struct tree_opt_pass): Make execute
10772 2006-03-02 Richard Guenther <rguenther@suse.de>
10774 * tree-ssa-alias.c (find_used_portions): Consider taking
10775 the address as making the variable not write-only.
10777 2006-03-02 Nick Clifton <nickc@redhat.com>
10779 * config.gcc (default_use_cxa_atexit): Extend the description of
10780 this configure variable. Set its default value to "yes" for
10781 Linux, NetBSD and ELF targets on the assumption that they will
10782 use C libraries with the __cxa_atexit function.
10784 2006-03-02 Ben Elliston <bje@au.ibm.com>
10786 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10787 parameter as unused to suppress a build warning.
10789 2006-03-02 Ben Elliston <bje@au.ibm.com>
10791 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10794 2006-03-01 Roger Sayle <roger@eyesopen.com>
10797 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10798 declared name, the weak reference name, and the typeof name.
10799 (__gthrw): Avoid expanding the declared name suffix.
10800 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10802 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10804 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10806 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10807 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10808 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10809 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10810 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10811 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10812 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10813 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10814 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10815 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10816 (DW_END_default, DW_END_big, DW_END_little): New.
10817 (DW_END_lo_user, DW_END_hi_user): Define.
10818 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10819 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10820 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10823 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10825 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10827 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10829 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10831 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10833 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10834 to 'symbol_mem_tag'.
10836 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10839 2006-03-01 Roger Sayle <roger@eyesopen.com>
10841 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10843 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10846 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10847 MACHO_DYNAMIC_NO_PIC_P.
10848 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10850 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10853 * config/darwin-protos.h (darwin_asm_output_anchor):
10855 * config/darwin-sections.def (cstring_section):
10856 Add SECTION_MERGE to the flags.
10857 (literal4_section): Likewise.
10858 (literal8_section): Likewise.
10859 (objc_selector_refs_section): Likewise.
10860 (objc_cls_refs_section): Likewise.
10861 * config/darwin.c (darwin_asm_output_anchor): New
10863 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10865 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10867 Fix PR tree-optimization/26443
10868 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10869 to todo and PROP_tmt_usage to properties_destroyed.
10870 * tree-ssa-ccp.c (pass_ccp): Ditto.
10871 (pass_store_ccp): Ditto.
10872 * tree-ssa-dom.c (pass_dominator): Ditto.
10874 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10876 * tree-ssa-operands.c: Cleanup whitespace.
10877 (get_asm_expr_operands): Move before first invocation.
10878 (get_indirect_ref_operands): Likewise.
10879 (get_tmr_operands): Likewise.
10880 (get_call_expr_operands): Likewise.
10881 (append_def): Likewise.
10882 (append_use): Likewise.
10883 (append_v_may_def): Likewise.
10884 (append_v_must_def): Likewise.
10885 (add_call_clobber_ops): Likewise.
10886 (add_call_read_ops): Likewise.
10887 (add_stmt_operand): Likewise.
10888 (add_virtual_operand): Likewise.
10889 (build_ssa_operands): Likewise.
10891 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10893 PR middle-end/26022
10895 PR middle-end/24437
10896 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10897 with a call expr to ...
10898 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10900 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10902 * tree-vrp.c (extract_range_from_assert): Remove special
10903 handling for types with super-types.
10905 2006-03-01 Ben Elliston <bje@au.ibm.com>
10907 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10908 and powerpc64-*-linux* configurations.
10909 * config/t-dfprules: New file.
10911 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10912 Compile dfp-bit.c from the source directory using -DWIDTH and
10913 $DFP_CFLAGS to control the compilation of that file, rather than
10914 generating width-specific versions in the build directory.
10915 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10916 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10918 2006-02-28 Zack Weinberg <zackw@panix.com>
10920 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10923 2006-02-28 Eric Christopher <echristo@apple.com>
10925 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10926 Set up IN_LIBGCC definition of TARGET_64BIT.
10927 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10929 2006-02-28 Roger Sayle <roger@eyesopen.com>
10931 PR middle-end/14752
10932 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10933 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10934 cases via the construction of "expr != 0".
10936 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10938 * alias.c (alias_invariant, alias_invariant_size): Remove.
10939 (record_base_value): Remove.
10940 (memrefs_conflict_p): Don't look at alias_invariant.
10941 (end_alias_analysis): Don't free it.
10942 * alias.h (record_base_value): Remove prototype.
10944 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10945 Adam Nemet <anemet@caviumnetworks.com>
10947 * rtl.h (truncated_to_mode): Declare it.
10948 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10949 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10950 (RTL_HOOKS_INITIALIZER): Include it.
10951 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10952 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10953 reg_truncated_to_mode.
10954 * rtlanal.c (truncated_to_mode): Define it.
10955 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10957 2006-02-28 Jeff Law <law@redhat.com>
10959 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10960 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10961 the range allowed by TYPE_PRECISION.
10963 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10965 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10967 PR tree-optimization/26419
10968 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10971 2006-02-27 Zack Weinberg <zackw@panix.com>
10973 * doc/md.texi: Fix typo in previous change.
10975 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10979 2006-02-27 Zack Weinberg <zackw@panix.com>
10981 * rtl.def (define_constraint, define_register_constraint)
10982 (define_memory_constraint, define_address_constraint): New MD forms.
10983 * gensupport.c (process_rtx): Put define_constraint etc on the
10985 * genpreds.c (process_define_predicate): Adjust comment. Validate
10986 the name, and call validate_exp to validate the expression.
10987 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10988 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10989 all callers changed.
10990 (validate_exp, needs_variable, struct constraint_data)
10991 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10992 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10993 (const_dbl_constraints, constraint_max_namelen)
10994 (have_register_constraints, have_memory_constraints)
10995 (have_address_constraints, have_address_constraints)
10996 (have_extra_constraints, have_const_int_constraints)
10997 (have_const_dbl_constraints, mangle, add_constraint)
10998 (process_define_constraint, process_define_register_constraint)
10999 (write_enum_constraint_num, write_lookup_constraint)
11000 (write_insn_constraint_len, write_regclass_for_constraint)
11001 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11002 (write_insn_extra_memory_constraint)
11003 (write_insn_extra_address_constraint)
11004 (write_satisfies_constraint_fns): New.
11005 (write_tm_preds_h): If we have new-style constraint definitions,
11006 prototype the functions generated from them, and define the
11007 old constraint interface (still used by generic code) in terms of
11009 (write_insn_preds_c): If we have new-style constraint definitions,
11010 generate all relevant functions from those definitions.
11011 (main): Handle define_constraint etc.
11012 * genoutput.c (struct constraint_data, indep_constraints)
11013 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11014 (mdep_constraint_len): New data structures and functions, defined
11015 #ifdef USE_MD_CONSTRAINTS.
11016 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11017 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11018 use new logic to validate operand constraints against constraint
11020 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11022 * defaults.h: If none of the old-style constraint macros are
11023 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11024 old-style macros; and poison REG_CLASS_FROM_LETTER,
11025 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11027 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11028 * doc/md.texi: Document new constraint-definition mechanism and the
11029 C interface it provides. Remove references to old mechanism
11030 elsewhere in the document.
11031 (Machine Constraints): Use pathnames relative to gcc directory,
11032 i.e. config/ARCH/FILE. Change i386 section to refer to
11033 config/i386/predicates.md; update that section to match docstrings.
11034 * doc/tm.texi: Move all documentation of the old constraint-
11035 definition macros to their own section, clearly mark as obsolete.
11037 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11038 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11040 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11041 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11042 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11043 constraint strings.
11044 (splits and peepholes): Use satisfies_constraint_*.
11045 * config/i386/i386.c (memory_address_length)
11046 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11048 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11050 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11051 scalar operation to be put back into the loop.
11053 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11056 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11057 (extract_cie_info): Handle S flag in augmentation string.
11058 (execute_cfa_program): If context->signal_frame, execute also
11059 fs->pc == context->ra instructions.
11060 (uw_frame_state_for): If context->signal_frame, don't subtract one
11061 from context->ra to find FDE.
11062 (uw_update_context_1): Set context->signal_frame to
11064 (_Unwind_GetIPInfo): New function.
11065 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11066 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11068 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11069 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11070 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11071 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11072 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11073 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11074 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11075 x86_64_fallback_frame_state): Set fs->signal_frame.
11076 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11077 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11078 (frob_update_context): Likewise. Workaround missing S flag in
11079 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11080 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11081 Remove the psw_addr + 1 hack.
11083 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11085 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11086 with aggregates here.
11087 (find_func_aliases): Remove code for &<aggregate> from here.
11089 2006-02-26 Roger Sayle <roger@eyesopen.com>
11091 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11092 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11093 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11094 as (X & C) ne/eq 0.
11096 2006-02-26 Roger Sayle <roger@eyesopen.com>
11098 PR middle-end/19983
11099 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11101 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11103 * opts.c (decode_options): Do not handle flag_strength_reduce.
11104 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11105 and OPT_fstrength_reduce.
11106 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11107 flag_prefetch_loop_arrays for being nonzero.
11108 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11110 (fprefetch-loop-arrays-rtl): Removed.
11111 (flag_prefetch_loop_arrays): Do not specify the value.
11113 * doc/passes.texi: Update documentation of loop optimizer
11115 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11116 -frerun-loop-opt): Remove.
11118 2006-02-26 Richard Guenther <rguenther@suse.de>
11120 PR tree-optimization/26421
11121 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11122 in function calls that are ADDR_EXPRs as using the whole structure.
11124 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11126 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11127 * tree-pass.h (pass_loop_optimize): Remove.
11128 * passes.c (pass_loop_optimize): Never run it.
11129 * toplev.c (backend_init): Don't call init_loop.
11130 * opts.c (flag_loop_optimize_set): Remove.
11131 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11132 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11133 the old RTL loop optimizer when profiling enabled.
11134 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11135 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11136 pre-headers for the sake of the old RTL loop optimizer.
11137 * Makefile.in: Remove all references to loop.o.
11139 * doc/invoke.texi: Remove all references to -floop-optimize
11140 and -frerun-loop-opt.
11142 2006-02-26 Zack Weinberg <zackw@panix.com>
11144 * doc/md.texi (Machine Constraints): Refer to all files with paths
11145 relative to gcc directory (i.e. config/CPU/file). Add missing
11146 @table @code ... @end table to M32C subsection.
11148 2006-02-26 Roger Sayle <roger@eyesopen.com>
11150 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11152 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11154 2006-02-26 Roger Sayle <roger@eyesopen.com>
11155 James A. Morrison <phython@gcc.gnu.org>
11157 PR middle-end/21137
11158 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11159 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11160 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11161 signedness of the shift operation.
11163 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11165 PR tree-optimization/26359
11166 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11168 2006-02-25 Roger Sayle <roger@eyesopen.com>
11170 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11171 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11172 as X == 0, and some symmetry related transformations.
11173 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11175 2006-02-25 Roger Sayle <roger@eyesopen.com>
11177 PR middle-end/23673
11178 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11179 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11180 symmetry related transformations. Fold (X^C1) == C2 as
11183 2006-02-25 Juergen Weigert <jw@suse.de>
11184 Richard Guenther <rguenther@suse.de>
11186 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11188 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11190 * combine.c (gen_lowpart_or_truncate): Call
11191 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11193 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11195 * doc/invoke.texi: Move -fopenmp description to "Options for
11197 Remove reference to -lgomp.
11199 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11201 * doc/install.texi: Require GNU tar version 1.14.
11203 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11205 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11206 * doc/invoke.texi (C++ Dialect Options): Document
11207 -fno-use-cxa-get-exception-ptr.
11208 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11209 * configure: Regenerate.
11210 * c.opt (fuse-cxa-get-exception-ptr): New.
11211 * c-opts.c (c_common_handle_option): Handle
11212 OPT_fuse_cxa_get_exception_ptr.
11213 * c-common.c (flag_use_cxa_atexit): Update documentation.
11214 (flag_use_cxa_get_exception_ptr): New.
11215 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11216 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11218 (C_COMMON_OVERRIDE_OPTIONS): New.
11220 2006-02-24 Roger Sayle <roger@eyesopen.com>
11222 PR middle-end/24952
11223 * combine.c (try_combine): Explicitly check whether GET_CODE is
11224 a SET or a CLOBBER, instead on checking that it isn't a USE.
11226 2006-02-24 Roger Sayle <roger@eyesopen.com>
11228 * fold-const.c (fold_comparison): New subroutine of fold_binary
11229 containing transformations common to both the equality and
11230 ordering relational operators, factored out of fold_binary.
11231 (fold_binary): Separate out the equality operators (EQ_EXPR
11232 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11233 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11234 transformations common to both.
11235 (fold_div_compare): Fix latent bugs in the previously unreachable
11236 LT_EXPR and GE_EXPR cases.
11238 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11240 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11241 decl libname for clog to __clog on AIX.
11243 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11245 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11248 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11249 output traceback table for thunks. Localise rs6000_stack_info call.
11251 2006-02-23 Roger Sayle <roger@eyesopen.com>
11252 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11254 * gthr-posix.h (__gthrw): Fix typo in comment.
11256 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11258 * doc/cpp.texi (Character sets): Document that we do support
11259 input files to be in any character set.
11261 2006-02-23 Jeff Law <law@redhat.com>
11263 * tree.h (PHI_ARG_NONZERO): Remove.
11264 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11265 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11266 node to the new node.
11268 PR tree-optimization/26425
11269 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11270 min/max, then assume its varying.
11272 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11274 PR rtl-optimization/26316
11275 * rtlanal.c (enum may_trap_p_flags): New.
11276 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11277 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11278 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11279 (may_trap_after_code_motion_p): New function.
11280 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11281 (find_invariant_insn): Use may_trap_after_code_motion_p.
11282 * rtl.h (may_trap_after_code_motion_p): Declare.
11284 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11286 * emit-rtl.c (immed_double_const): Cleanup.
11288 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11290 Fix PR tree-optimization/26376
11291 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11294 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11296 PR middle-end/26412
11297 * gimplify.c (omp_add_variable): Guard variable size decl test with
11298 DECL_SIZE (decl) check.
11300 2006-02-23 Richard Guenther <rguenther@suse.de>
11302 PR middle-end/26439
11303 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11304 like aggregate types.
11306 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11308 * configure.ac: Add --with{,out}-long-double-128 configure option.
11309 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11310 * configure: Rebuilt.
11311 * config.in: Rebuilt.
11312 * doc/install.texi (Options specification): Document
11313 --with-long-double-128.
11315 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11316 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11317 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11318 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11320 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11322 * config/s390/s390.c (override_options): Handle
11323 TARGET_DEFAULT_LONG_DOUBLE_128.
11325 * config/alpha/alpha.c (override_options): Handle
11326 TARGET_DEFAULT_LONG_DOUBLE_128.
11328 * config/sparc/sparc.c (sparc_override_options): Handle
11329 TARGET_DEFAULT_LONG_DOUBLE_128.
11331 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11333 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11334 (real-install-headers-tar, real-install-headers-cpio)
11335 (real-install-headers-cp): New targets.
11337 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11339 * tree.h (variable_section): Delete.
11340 * varasm.c (variable_section): Delete.
11342 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11344 * install.texi: Add notes on install.texi2html.
11345 (Building in parallel): Do not use footnotes.
11347 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11350 * doc/install.texi (Configuration): Document --disable-libgomp.
11352 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11354 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11356 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11358 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11359 (vec_extractv2df_0_sse): New.
11361 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11363 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11364 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11365 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11366 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11367 to the result of the expression.
11368 (def_cfa_1): Adjust.
11369 (frame_pointer_cfa_offset): Rename to...
11370 (frame_pointer_fb_offset): ... this. Adjust all uses.
11371 (convert_cfa_to_loc_list): Rename to...
11372 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11373 Pass it on to build_cfa_loc.
11374 (compute_frame_pointer_to_cfa_displacement): Rename to...
11375 (compute_frame_pointer_to_fb_displacement): ... this. New
11376 offset parameter. Use it in computation.
11377 (gen_subprogram_die): Compute cfa_fb_offset with the new
11378 macro, and use it to compute the fb loc list and the
11381 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11383 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11384 replaced with register_operand.
11385 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11386 non-DREG is expensive.
11387 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11388 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11391 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11393 * doc/install.texi2html: Use set -e.
11395 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11397 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11398 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11399 * doc/invoke.texi (-fshared-data): Delete.
11400 * common.opt (fshared-data): Delete.
11401 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11402 (assemble_static_space): Remove #if 0 code.
11403 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11404 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11405 * config/cris/cris.h: Remove FIXME.
11407 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11409 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11412 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11414 PR middle-end/26379
11415 * combine.c (simplify_shift_const_1): Disable nested shifts
11416 optimization for vector shifts.
11418 2006-02-20 Roger Sayle <roger@eyesopen.com>
11420 PR tree-optimization/26361
11421 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11422 of unsigned integer types.
11424 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11426 * tree-chrec.c (eq_evolutions_p): New.
11427 * tree-chrec.h (eq_evolutions_p): Declared.
11428 * tree-data-ref.c: Fix formatting.
11429 (datadep_stats, dependence_stats): New.
11431 (print_direction_vector): New.
11432 (dump_data_dependence_relation): Use print_direction_vector.
11433 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11434 (compute_subscript_distance): Static.
11435 (initialize_data_dependence_relation): Static. Get the number
11436 of loops surrounding the references from the callers, and initialize
11437 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11438 base_object_differ_p analyzers.
11439 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11440 compute_overlap_steps_for_affine_1_2,
11441 analyze_subscript_affine_affine): Count the classified dependences.
11442 Print a message when a test failed.
11443 (can_use_analyze_subscript_affine_affine): New.
11444 (analyze_siv_subscript): Compute the data dependences on symbolic
11445 scevs that verify can_use_analyze_subscript_affine_affine.
11446 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11447 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11448 Handle symbolic scevs.
11449 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11451 (subscript_dependence_tester): Moved...
11452 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11453 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11454 DDR_SIZE_VECT instead of getting it in parameter.
11455 (subscript_dependence_tester): ... here. Take as a parameter
11456 loop_nest_depth. Call build_classic_dist_vector and
11457 build_classic_dir_vector.
11458 (compute_affine_dependence): Update subscript_dependence_tester
11459 parameters. Update datadep_stats counters. Call
11460 compute_subscript_distance.
11461 (compute_self_dependence): Save the dist and dir vectors. Call
11462 compute_subscript_distance.
11463 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11464 (compute_all_dependences): Reorder parameters as they were before
11465 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11466 compute_subscript_distance. Update the use of
11467 compute_affine_dependence and initialize_data_dependence_relation.
11468 (find_data_references_in_loop): Handle COMPONENT_REF.
11469 (compute_data_dependences_for_loop): Initialize dependence_stats.
11470 Don't call build_classic_dist_vector and build_classic_dir_vector.
11471 Update the parameters of initialize_data_dependence_relation and
11472 compute_all_dependences. Print the statistics from datadep_stats.
11473 (analyze_all_data_dependences): Static. Not used until the pass for
11474 checking the data dependences is contributed.
11475 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11476 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11477 (initialize_data_dependence_relation, compute_affine_dependence,
11478 analyze_all_data_dependences, compute_subscript_distance): Removed.
11479 (print_direction_vector): New.
11480 * lambda.h (gcd): ... here.
11481 (lambda_vector_gcd): Moved here from gcd_vector.
11482 * lambda-code.c (gcd, gcd_vector): Removed.
11483 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11484 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11486 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11488 * ipa-type-escape.c: Tidy some comments and white space.
11489 * tree-ssa-operands.c: Likewise.
11491 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11494 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11495 (dump_decl_name): Do not walk the decl tree chains.
11496 * tree-pass.h (TDF_CHAIN): Remove.
11498 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11500 * Makefile.in (C): Remove
11502 (.PHONY): Remove C and PROTO
11504 2006-02-20 Roger Sayle <roger@eyesopen.com>
11506 PR middle-end/26236
11507 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11508 deprecated CHAR_TYPE tree code.
11510 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11512 * configure.ac (target_list): Add install-info, dvi, html.
11513 * configure: Regenerate.
11515 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11516 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11517 treelang/Make-lang.in: Do not use double-colon rules.
11519 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11521 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11522 (TMT_USED_ALONE): New macro.
11523 * tree-pass.h (PROP_tmt_usage): New property.
11524 (TODO_update_tmt_usage): New todo.
11525 * tree-ssa-alias.c (updating_used_alone): New variable.
11526 (recalculate_used_alone): New function.
11527 (compute_may_aliases): Set updating_used_alone, call
11528 recalculate_used_alone.
11529 * tree-sra.c (pass_sra): Note that this pass destroys
11530 PROP_tmt_usage, and add TODO_update_tmt_usage.
11531 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11532 * tree-flow.h (updating_used_alone): Prototype.
11533 (recalculate_used_alone): Ditto.
11534 * passes.c (execute_todo): Add code to set updating_used_alone,
11535 and call recalculate.
11536 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11537 for clobber if used alone, and add assert to verify used_alone
11540 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11542 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11543 for non tls symbols added.
11544 (legitimize_address): Do nothing for PLUS expressions if one of the
11545 addends is a tls symbol reference.
11547 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11551 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11553 * Makefile.in (BOOTSTRAPPING): New.
11554 (quickstrap): New definition if BOOTSTRAPPING=yes.
11556 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11557 * configure.ac: Substitute all_selected_languages with the languages
11558 that were configured. For all the other variables except
11559 lang_specs_files, include all the languages in the tree.
11560 * configure: Regenerate.
11562 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11563 if there is one. Run the commands to run fixincludes in the same
11566 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11567 * doc/install.texi: Document exact conventions for searching target tools.
11568 Document --with-build-time-tools. Document toplevel bootstrap. Document
11569 something more about building an Ada cross-compiler. Don't list GNU Make
11570 requirements which affect all platforms.
11572 2006-02-19 Roger Sayle <roger@eyesopen.com>
11574 PR middle-end/19543
11575 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11576 only equivalent if the have both the same mode and precision.
11578 2006-02-20 Ben Elliston <bje@au.ibm.com>
11580 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11582 2006-02-19 Roger Sayle <roger@eyesopen.com>
11583 Steven Bosscher <stevenb.gcc@gmail.com>
11585 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11586 constant pool references to identify stack mode constants.
11587 * rtlanal.c (constant_pool_constant_p): New predicate to check
11588 whether operand is a floating point constant in the pool.
11589 * rtl.h (constant_pool_constant_p): Prototype here.
11590 * loop.c (scan_loop): Avoid hoisting constants from the constant
11591 pool on STACK_REGS targets.
11592 (load_mems): Likewise.
11593 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11594 loads into x87 registers expensive in terms of register pressure.
11596 2006-02-19 Roger Sayle <roger@eyesopen.com>
11598 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11599 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11601 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11603 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11604 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11606 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11608 * doc/invoke.texi: Document -fipa-pta.
11609 * common.opt: Add ipa-pta option.
11610 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11611 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11612 (do_ds_constraint): Ditto.
11613 (get_constraint_for): Only add to referenced_vars if
11614 referenced_vars exists.
11615 (insert_into_field_list): Rewrite to do this unsorted.
11616 (insert_into_field_list_sorted): Rename old insert_into_field_list
11618 (create_function_info_for): Use insert_into_field_list_sorted.
11619 (create_variable_info_for): Rewrite so it uses unsorted version,
11620 since the field list is sorted.
11621 (intra_create_variable_infos): Only add to referenced_vars if
11622 referenced_vars exists.
11623 (ipa_pta_execute): Init heapvars, and delete when done.
11624 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11626 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11628 * doc/install.texi: Add missing `@samp'.
11630 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11632 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11635 2006-02-18 Mark Wielaard <mark@klomp.org>
11637 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11638 who added new 4.1 features, bug fixes and integration support.
11640 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11643 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11644 MEM for ABI_V4 pic.
11646 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11648 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11649 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11650 (copy_insn_1): Likewise. Don't copy each field individually.
11652 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11654 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11655 * rtl.c (rtx_size): Rename variable to...
11656 (rtx_code_size): ...this.
11657 (rtx_size): New function.
11658 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11659 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11661 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11662 * rtl.h (rtx_code_size): New variable.
11663 (rtx_size): Change from a variable to a function.
11664 (RTX_SIZE): Rename to...
11665 (RTX_CODE_SIZE): ...this.
11668 PR tree-optimization/17106
11669 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11670 (Anchored Addresses): New section.
11671 * doc/invoke.texi (-fsection-anchors): Document.
11672 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11673 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11674 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11675 * hooks.c (hook_bool_mode_rtx_false): New function.
11676 * hooks.h (hook_bool_mode_rtx_false): Declare.
11677 * gengtype.c (create_optional_field): New function.
11678 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11679 SYMBOL_REF_IN_BLOCK_P is true.
11680 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11681 (min_anchor_offset, max_anchor_offset): Likewise.
11682 (use_anchors_for_symbol_p): New hook.
11683 * toplev.c (compile_file): Call output_object_blocks.
11684 (target_supports_section_anchors_p): New function.
11685 (process_options): Check that -fsection-anchors is only used on
11686 targets that support it and when -funit-at-a-time is in effect.
11687 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11688 if the decl doesn't have one.
11689 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11690 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11691 of force_const_mem through use_anchored_address.
11692 (expand_expr_constant): New function.
11693 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11694 calling expand_expr for INDIRECT_REF.
11695 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11696 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11697 * expr.h (use_anchored_address): Declare.
11698 * loop-unroll.c: Don't declare rtx vectors here.
11699 * explow.c: Include output.h.
11700 (validize_mem): Call use_anchored_address.
11701 (use_anchored_address): New function.
11702 * common.opt (-fsection-anchors): New switch.
11703 * varasm.c (object_block_htab, anchor_labelno): New variables.
11704 (hash_section, object_block_entry_eq, object_block_entry_hash)
11705 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11706 (use_blocks_for_decl_p, change_symbol_section): New functions.
11707 (get_variable_section): New function, split out from assemble_variable.
11708 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11709 use_blocks_for_decl_p say so. Use change_symbol_section if the
11710 symbol has already been created.
11711 (assemble_variable_contents): New function, split out from...
11712 (assemble_variable): ...here. Don't output any code for
11713 block symbols; just pass them to place_block_symbol.
11714 Use get_variable_section and assemble_variable_contents.
11715 (get_constant_alignment, get_constant_section, get_constant_size): New
11716 functions, split from output_constant_def_contents.
11717 (build_constant_desc): Create a block symbol if use_object_blocks_p
11718 says so. Or into SYMBOL_REF_FLAGS.
11719 (assemble_constant_contents): New function, split from...
11720 (output_constant_def_contents): ...here. Don't output any code
11721 for block symbols; just pass them to place_section_symbol.
11722 Use get_constant_section and get_constant_alignment.
11723 (force_const_mem): Create a block symbol if use_object_blocks_p and
11724 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11725 (output_constant_pool_1): Add an explicit alignment argument.
11726 Don't switch sections here.
11727 (output_constant_pool): Adjust call to output_constant_pool_1.
11728 Switch sections here instead. Don't output anything for block symbols;
11729 just pass them to place_block_symbol.
11730 (init_varasm_once): Initialize object_block_htab.
11731 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11732 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11733 (place_block_symbol, get_section_anchor, output_object_block)
11734 (output_object_block_htab, output_object_blocks): New functions.
11735 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11736 (TARGET_ASM_OUT): Include it.
11737 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11738 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11739 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11740 (TARGET_INITIALIZER): Include them.
11741 * rtl.c (rtl_check_failed_block_symbol): New function.
11742 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11743 (block_symbol, object_block): New structures.
11744 (rtx_def): Add a block_symbol field to the union.
11745 (BLOCK_SYMBOL_CHECK): New macro.
11746 (rtl_check_failed_block_symbol): Declare.
11747 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11748 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11749 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11750 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11751 * output.h (output_section_symbols): Declare.
11752 (object_block): Name structure.
11753 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11754 (default_use_anchors_for_symbol_p): Declare.
11755 * Makefile.in (RTL_BASE_H): Add vec.h.
11756 (explow.o): Depend on output.h.
11757 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11758 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11759 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11760 (rs6000_use_blocks_for_constant_p): New function.
11762 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11764 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11766 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11769 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11772 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11774 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11778 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11780 PR middle-end/26334
11781 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11782 instead of DECL_REGISTER.
11784 2006-02-18 Olivier Hainque <hainque@adacore.com>
11787 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11789 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11792 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11793 * opth-gen.awk: Handle Var and InverseMask together.
11794 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11795 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11796 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11797 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11799 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11800 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11801 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11802 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11803 LINUX_DYNAMIC_LINKER): Define.
11804 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11805 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11807 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11808 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11809 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11810 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11811 (TARGET_C99_FUNCTIONS): Don't define.
11812 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11813 GLIBC_DYNAMIC_LINKER.
11814 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11815 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11816 GLIBC_DYNAMIC_LINKER64): Define.
11817 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11818 LINUX_DYNAMIC_LINKER64.
11819 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11820 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11821 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11822 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11823 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11824 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11825 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11826 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11827 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11828 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11829 and LINUX_DYNAMIC_LINKER32.
11830 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11831 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11832 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11833 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11834 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11836 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11837 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11838 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11839 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11840 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11841 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11842 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11843 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11844 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11845 LINUX_DYNAMIC_LINKER): Define.
11846 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11847 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11848 GLIBC_DYNAMIC_LINKER64): Define.
11849 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11850 LINUX_DYNAMIC_LINKER64.
11851 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11852 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11853 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11854 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11855 LINUX_DYNAMIC_LINKER): Define.
11856 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11857 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11858 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11859 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11860 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11861 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11862 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11863 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11864 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11865 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11866 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11867 * doc/invoke.texi (-muclibc): Remove caveat about supported
11870 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11872 * doc/cpp.texi (__TIMESTAMP__): Document.
11874 2006-02-17 Roger Sayle <roger@eyesopen.com>
11876 PR middle-end/25600
11877 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11878 C is one less than the width of X (and related transformations).
11879 * simplify-rtx.c (simplify_unary_operation_1): Transform
11880 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11881 depending on STORE_FLAG_VALUE, were C is one less then the
11884 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11886 Fix PR tree-optimization/26341
11887 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11888 about NAME_MEMORY_TAG's.
11890 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11893 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11894 with hardware float support, and software float support. Add fcpy
11895 alternative to hardware patterns. Add alternatives to copy between
11896 general and floating-point registers to the 32-bit pattern.
11897 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11898 secondary reload to load a QI or HI mode constant into a floating
11900 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11901 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11903 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11906 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11908 (load_macho_picbase_di): Likewise.
11910 2006-02-16 Jeff Law <law@redhat.com>
11912 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11913 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11914 (ssa_name_nonzero_p): Likewise.
11915 (get_value_range): Return NULL if VRP is not running.
11916 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11917 VRP routines do not discover a range.
11918 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11919 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11920 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11921 (tree_expr_nonnegative_p): Similarly.
11922 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11923 (restore_nonzero_vars_to_original_value): Remove.
11924 (unsafe_associative_fp_binop): Remove.
11925 (tree_ssa_dominator_optimize): Remove initialization and
11926 finalization of nonzero_vars and nonzero_vars_stack.
11927 (dom_opt_initialize_block): No longer push marker on
11928 nonzero_vars_stack.
11929 (dom_opt_finalize_block): No longer call
11930 restore_nonzero_vars_to_original_value.
11931 (record_equivalences_from_phis): No longer look for
11932 nonzero PHI arguments.
11933 (cprop_into_successor_phis): No longer propagate nonzero
11934 property into PHI arguments. Lose unused argument. Caller
11936 (record_equivalences_from_stmt): No longer record nonzero
11937 values for SSA_NAMEs.
11938 (lookup_avail_expr): No longer use nonzero_vars.
11940 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11941 for sizetype when sizetype is unsigned.
11943 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11945 PR rtl-optimization/25603
11946 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11947 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11948 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11949 with new meaning of SETS.
11951 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11956 * config/linux.opt: New file.
11957 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11958 LINUX_DYNAMIC_LINKER): Define.
11959 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11960 * config.gcc (*-*-linux*): Define extra_options.
11961 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11962 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11963 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11964 GLIBC_DYNAMIC_LINKER.
11965 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11966 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11967 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11968 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11969 * doc/invoke.texi (GNU/Linux Options): New section.
11971 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11973 * config/sparc/sparc.md (setjmp): Rewrite.
11974 (setjmp_32): Delete.
11975 (setjmp_64): Likewise.
11977 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11979 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11982 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11984 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11987 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11989 PR rtl-optimization/26296
11990 * Makefile.in (loop-invariant.c): Add except.h dependency.
11991 * loop-invariant.c: Include except.h.
11992 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11994 2005-02-16 Paul Brook <paul@codesourcery.com>
11996 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11999 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12001 PR rtl-optimization/25636
12002 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12003 when deciding whether an insn is an initializing insn.
12005 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12007 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12008 (tree_code_size): Ditto.
12009 * tree.h (struct tree_memory_tag): Remove parent_var.
12010 (struct tree_struct_field_tag): New.
12013 (union tree_node): Add sft member.
12014 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12016 (create_sft): Add size and offset argument, set SFT_OFFSET and
12018 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12019 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12020 * tree-flow-inline.h (get_subvar_at): Update for
12021 SFT_OFFSET/SFT_SIZE.
12022 (var_can_have_subvars): Ditto.
12023 (overlap_subvar): Ditto.
12024 * print-tree.c (print_node): Print out interesting things for
12026 * tree-flow.h (struct subvar): Remove offset and size members.
12027 * tree-ssa-operands.c (get_expr_operands): Update for
12028 get_indirect_ref_operands changes.
12029 (get_indirect_ref_operands): Call add_virtual_operand instead of
12030 add_stmt_operand. Only recurse on base var if requested.
12031 (access_can_touch_variable): New function.
12032 (add_stmt_operand): Split virtual operand handling into ...
12033 (add_virtual_operand): Here. Add offset, size, and for_clobber
12034 arguments. Prune alias sets.
12035 (add_call_clobber_ops): Call add_virtual_operand.
12037 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12039 PR middle-end/26300
12040 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12042 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12043 than TREE_CODE as index into omp_clause_num_ops array.
12045 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12047 PR rtl-optimization/26184
12048 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12050 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12051 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12052 must_precede, must_follow and tobe_scheduled.
12055 * opts.c (common_handle_option): Free new_option pointer.
12056 * df-core.c (df_analyze): Free postorder pointer.
12058 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12060 * Makefile.in: Fix the examples about the use of stamps
12062 2006-02-15 Michael Matz <matz@suse.de>
12064 PR middle-end/22275
12066 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12067 influenced by maximum_field_alignment or DECL_PACKED.
12068 (update_alignment_for_field): Ditto.
12069 (place_field): Ditto.
12070 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12073 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12075 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12076 (debug_flow_info): Pass it.
12077 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12078 * bb-reorder.c (reorder_basic_blocks): Likewise.
12079 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12080 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12081 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12082 * gcse.c (gcse_main, bypass_jumps): Likewise.
12083 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12084 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12085 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12086 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12087 * rtl.h (dump_flow_info): Adjust prototype.
12088 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12089 * var-tracking.c (variable_tracking_main): Likewise.
12090 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12091 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12094 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12096 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12099 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12101 PR tree-optimization/26209
12102 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12103 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12105 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12107 2006-02-14 Roger Sayle <roger@eyesopen.com>
12109 PR middle-end/23670
12110 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12111 (X,Y) and the corresponding symmetry related transformations.
12112 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12113 (X,Y) and its symmetry related transformations.
12115 2006-02-14 Roger Sayle <roger@eyesopen.com>
12117 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12120 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12122 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12124 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12127 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12128 support COMDAT group.
12129 * configure: Regenerate.
12131 2006-02-14 Roger Sayle <roger@eyesopen.com>
12133 PR middle-end/26279
12134 PR middle-end/26280
12135 PR middle-end/26283
12136 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12138 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12140 Fix PR tree-optimization/26260
12142 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12144 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12145 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12146 * tree-ssa-structalias.c (create_variable_info_for): Use
12147 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12149 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12151 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12153 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12154 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12155 of the ending condition.
12156 * tree-ssa-loop-manip.c: Include params.h.
12157 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12158 tree_unroll_loop): New functions.
12159 * tree-pass.h (pass_loop_prefetch): Declare.
12160 * loop.c (rest_of_handle_loop_optimize): Test for
12161 -fprefetch-loop-arrays-rtl.
12162 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12163 * timevar.def (TV_TREE_PREFETCH): New timevar.
12164 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12165 pass_loop_prefetch): New.
12166 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12167 (cleanup_tree_cfg_loop): Call scev_reset.
12168 * common.opt (fprefetch-loop-arrays-rtl): Add.
12169 * tree-ssa-loop-prefetch.c: New file.
12170 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12171 (new_temp_expr_table): Initialize expr_vars.
12172 (free_temp_expr_table): Cleanup expr_vars.
12173 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12174 expressions from being merged into one.
12175 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12176 (struct tree_niter_desc): Add control, bound and cmp fields.
12177 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12179 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12180 (tree-cfgcleanup.o): Add SCEV_H dependency.
12181 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12182 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12184 2006-02-14 Richard Guenther <rguenther@suse.de>
12186 PR tree-optimization/26258
12187 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12188 in PHI argument processing.
12190 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12192 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12193 new expression in the requested machine mode.
12195 2006-02-13 Roger Sayle <roger@eyesopen.com>
12197 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12198 directly, instead let do_compare_rtx_and_jump handle this for us.
12199 * expr.c (expand_expr_real_1): Likewise.
12200 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12201 before do_jump_by_parts_greater.
12202 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12203 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12205 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12207 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12209 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12211 PR rtl-optimization/26235
12212 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12213 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12216 2006-02-13 Jeff Law <law@redhat.com>
12218 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12221 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12223 PR middle-end/26092
12224 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12225 twice if decl is a builtin. When trying again, call get_callee_fndecl
12226 first to verify it is still a builtin.
12228 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12230 * dwarf2out.c (base_type_die): Don't add AT_name here.
12231 (subrange_type_die): Don't add AT_name here.
12232 (modified_type_die): Rearrange code flow. Do add AT_name here.
12234 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12236 PR rtl-optimization/26247
12237 PR rtl-optimization/26248
12238 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12240 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12242 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12243 * config/fixtfdi.c: Likewise.
12244 * config/fixunstfdi.c: Likewise.
12245 * config/floatditf.c: Likewise.
12247 2006-02-13 Roger Sayle <roger@eyesopen.com>
12249 PR middle-end/24427
12250 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12251 into (X,C2) if C1 is a subset of the bits of C2. Transform
12252 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12254 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12256 2006-02-13 Josh Conner <jconner@apple.com>
12259 * varasm.c (function_section): Check for section name before
12260 calling select_section on targets that define
12261 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12262 unlikely_text_section instead of hot_function_section if
12263 first_function_block_is_cold.
12265 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12267 PR middle-end/25335
12268 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12270 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12272 PR rtl-optimization/26222
12273 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12274 after tree->rtl expansion.
12275 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12276 before passing it to emit_move_insn.
12278 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12280 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12282 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12283 Clarify documentation.
12284 * c-common.h (warn_write_strings): Remove.
12285 * c-common.c (warn_write_strings): Likewise.
12286 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12289 2006-02-12 Roger Sayle <roger@eyesopen.com>
12291 PR middle-end/25724
12292 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12293 (do_jump_parts_zero_rtx): New function renamed from
12294 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12295 (do_jump_parts_equality_rtx): New function split out from
12296 do_jump_parts_equality. Old implementation renamed as above.
12297 Call do_jump_parts_zero_rtx if either operand is zero.
12298 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12299 do all of the heavy lifting.
12300 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12301 calling either do_jump_by_parts_greater_rtx or
12302 do_jump_by_parts_equality_rtx.
12303 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12304 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12305 moved to do_compare_rtx_and_jump, call it directly.
12306 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12307 mode argument. Call do_compare_rtx_and_jump.
12308 (emit_case_nodes): Update calls to do_jump_if_equal.
12310 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12312 PR rtl-optimization/26225
12313 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12315 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12317 PR rtl-optimization/26232
12318 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12320 2006-02-11 Jason Merrill <jason@redhat.com>
12323 * tree-inline.c (declare_return_variable): Just don't use the
12324 modify target if it's a gimple complex reg and the return slot
12327 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12329 * doc/contrib.texi: Update my entry.
12331 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12333 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12335 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12337 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12340 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12342 * doc/invoke.texi (-floop-optimize2): Removed.
12343 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12344 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12345 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12346 * common.opt (floop-optimize2): Removed.
12347 (fmove-loop-invariants): Enabled by default.
12349 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12351 * tree-if-conv.c (combine_blocks): Free the result of
12352 get_loop_exit_edges.
12354 2006-02-10 Jeff Law <law@redhat.com>
12356 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12358 PR tree-optimization/26213
12359 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12360 loop trying to follow SSA_NAME_VALUE chains.
12362 2006-02-10 Richard Guenther <rguenther@suse.de>
12364 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12365 deal with structures that end in implicitly variable sized arrays.
12367 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12369 PR rtl-optimization/24762
12370 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12373 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12375 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12376 (struct ivopts_data): Add regs_used field.
12377 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12378 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12379 instead of loop_data->regs_used;
12380 (free_loop_data): Do not free aux fields for loops.
12381 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12382 and tree_ssa_iv_optimize_finalize.
12384 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12386 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12388 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12391 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12392 computing the effective result type.
12394 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12396 PR inline-asm/16194
12397 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12398 (tree_overlaps_hard_reg_set): Declare.
12399 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12400 type and signature to match function type expected by walk_tree.
12401 (tree_overlaps_hard_reg_set): New function.
12402 (decl_conflicts_with_clobbers_p): Rename to:
12403 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12404 Use tree_overlaps_hard_reg_set. Changed caller.
12405 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12406 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12407 * cris.c (cris_md_asm_clobbers): Likewise.
12409 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12411 * reload1.c (emit_input_reload_insns): Delete code that tries to
12412 inherit using find_equiv_reg.
12414 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12416 * c-common.h (flag_const_strings): Don't declare.
12417 * c-common.c (flag_const_strings): Remove.
12418 * c.opt (fconst_strings): Remove.
12419 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12420 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12421 (c_common_init_options): Don't set flag_const_strings.
12422 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12424 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12426 * arm.md (tlobits_cbranch): New pattern.
12427 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12428 testing a single bit.
12430 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12433 * tree-ssa-pre.c (create_component_ref_by_pieces):
12434 Handle RETURN_DECL like VAR_DECL.
12436 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12438 PR middle-end/26134
12439 * fold-const.c (fold_indirect_ref_1): Fold
12440 "*(foo *)&complexfoo" to "__real__ complexfoo"
12441 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12443 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12445 * tree-flow-inline.h (var_can_have_subvars):
12446 Volatile variables should not have subvariables.
12448 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12451 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12452 multiplying unsigned values.
12455 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12457 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12459 2006-02-08 Jason Merrill <jason@redhat.com>
12462 * tree.def: Elaborate on difference from MODIFY_EXPR.
12463 * doc/c-tree.texi (INIT_EXPR): Likewise.
12464 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12465 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12466 (gimplify_target_expr): Likewise.
12467 (gimplify_cond_expr): Remove target handling.
12468 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12469 (gimplify_expr): Clobber it here.
12470 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12471 Do return slot optimization if we have an INIT_EXPR.
12474 * tree-inline.c (declare_return_variable): Also clear
12475 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12478 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12480 PR middle-end/22439
12481 * gimplify.c (gimplify_one_sizepos): Fix typo.
12483 2006-02-08 Jeff Law <law@redhat.com>
12485 PR tree-optimization/21417
12486 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12487 across a backedge if the control statement at the end of the
12488 block is data dependent on other statements in the same block.
12489 (record_temporary_equivalences_from_stmts): Remove over-conservative
12490 test for threading across backedges.
12492 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12493 control statement, handle all three special cases in the same
12494 manner as they all have the same desired solution. No longer
12495 special case edge flag updating when the post dominator is
12498 2006-02-08 Roger Sayle <roger@eyesopen.com>
12500 * tree.def (CHAR_TYPE): Remove.
12501 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12502 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12503 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12504 (gen_string_type_die): Delete unreachable function.
12506 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12507 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12508 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12509 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12510 * builtins.c (type_to_class): Likewise.
12511 * fold-const.c (fold_convert, build_range_check,
12512 merge_ranges): Likewise.
12513 * expr.c (count_type_elements): Likewise.
12514 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12515 * stor-layout.c (layout_type): Likewise.
12516 * ipa-type-escape.c (type_to_consider): Likewise.
12517 * gimplify.c (omp_firstprivatize_type_sizes,
12518 gimplify_type_sizes): Likewise.
12519 * explow.c (promote_mode): Likewise.
12520 * tree-sra.c (is_sra_scalar_type): Likewise.
12521 * varasm.c (output_constant): Likewise.
12522 * tree-inline.c (remap_type_1): Likewise.
12523 * convert.c (convert_to_pointer, convert_to_real,
12524 convert_to_integer, convert_to_complex): Likewise.
12526 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12528 * df-scan.c (df_def_record_1): A set destination may
12529 be a parallel regardless of mode.
12531 2006-02-08 Roger Sayle <roger@eyesopen.com>
12534 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12535 * config/mips/_tilib.c: Remove.
12536 * config/fixtfdi.c: New libgcc source file.
12537 * config/fixunstfdi.c: New source file.
12538 * config/floatditf.c: New source file.
12539 * config/floatunditf.c: New souce file.
12540 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12541 files above instead of config/mips/_tilib.c.
12542 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12544 2006-02-08 Jeff Law <law@redhat.com>
12546 PR tree-optimization/26169
12547 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12550 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12552 * df.h (DF_REG_SIZE): Return the length of the initialized
12555 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12557 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12558 __muldf3): Return a correctly signed zero.
12560 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12562 * passes.c (register_one_dump_file): Accept the current properties
12563 instead of pass number. Adjust call to dump_register. Remove
12565 (register_dump_files): Now a wrapper around...
12566 (register_dump_files_1): ... this one. Do not modify the pass
12568 (next_pass_1): Cosmetic fix.
12569 (execute_todo): Keep second parameter only. Use curr_properties
12570 instead of fetching it from the pass structure. Check and set
12572 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12573 instead of fetching it from the pass structure. Fix calls to
12574 execute_todo. Update curr_properties and initialize .vcg RTL dump
12575 after running the pass. Reset last_verified.
12576 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12578 (FIRST_AUTO_NUMBERED_DUMP): New.
12579 (dump_register): Remove "num" parameter, assign it within the
12581 (get_dump_file_name): Modify template for dumps.
12582 * tree-dump.h (dump_register): Adjust prototype.
12583 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12584 (PROP_trees): Add PROP_gimple_lomp.
12585 (TODO_set_props): New.
12586 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12587 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12588 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12590 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12592 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12593 (sparc64-*-linux*): Likewise.
12594 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12595 * config/sparc/t-linux: New file.
12596 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12597 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12598 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12599 -m32 -mlong-double-128.
12601 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12602 * config/alpha/t-linux: New file.
12603 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12605 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12606 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12607 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12608 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12609 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12610 (CPP_ARCH32_SPEC): Remove.
12612 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12614 PR tree-optimization/26145
12615 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12618 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12621 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12622 >= 240000 when generating code for SOM runtime.
12623 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12624 to $$dyncall when generating code for SOM runtime..
12626 2006-02-07 Dirk Mueller <dmueller@suse.com>
12629 * doc/invoke.texi (-Wsequence-point): Update documentation
12630 that -Wsequence-point is implemented for C++ as well.
12632 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12634 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12635 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12636 (LIB_SPEC): Likewise.
12637 * doc/invoke.texi (SPARC options): Document -pthread.
12639 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12641 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12644 2006-02-07 Roger Sayle <roger@eyesopen.com>
12646 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12647 Correct comment describing BOOLEAN_TYPE.
12649 2006-02-07 Dirk Mueller <dmueller@suse.com>
12651 * c.opt: C++ frontend supports -Wdiv-by-zero.
12652 * c-opts.c (c_common_handle_option): Remove dead case.
12654 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12656 * configure.ac (TLS assembler check): Do not enable TLS by
12657 default on SPARC/Solaris before version 10.
12658 * configure: Regenerate.
12660 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12662 * doc/invoke.texi (xl-compat): Document conversion and support
12665 2006-02-07 Jeff Law <law@redhat.com>
12667 * tree-vrp.c (find_conditional_asserts): Update comments.
12668 (simplify_stmt_for_jump_threading): New.
12669 (identify_jump_threads, finalize_jump_threads): New.
12670 (vrp_finalize): Call identify_jump_threads.
12671 (execute_vrp): Call finalize_jump_threads.
12672 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12673 (vrp_element, vrp_data, vrp_element_p): Remove.
12674 (vrp_hash_elt, vrp_variables_stack): Remove.
12675 (vrp_hash, vrp_eq, record_range): Remove.
12676 (simplify_cond_and_lookup_avail_expr): Remove.
12677 (extract_range_from_cond): Remove.
12678 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12679 (simplify_stmt_for_jump_threading): New.
12680 (dom_thread_across_edge): New wrapper.
12681 (tree_ssa_dominator_optimize): No longer initialize or
12682 finalize any of the VRP datastructures. Remove iteration
12683 step and simplify as a result of removal of iteration step.
12684 (pass_dominator): Perform a cfg cleanup after DOM.
12685 (dom_opt_finalize_block): Use the new common routines
12686 for threading jumps. Simplify stack management slightly.
12687 No longer need to unwind VRP state.
12688 (record_equivalences_from_incoming_edge): No longer record
12690 (eliminate_redundant_computations): No longer call
12691 simplify_cond_and_lookup_avail_expr.
12692 * tree-flow.h (potentially_threadable_block): Prototype.
12693 (thread_across_edge): Likewise.
12694 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12695 (tree-ssa-threadedge.o): Add dependencies.
12696 * tree-ssa-threadedge.c: New file.
12697 * passes.c (init_optimization_passes): Merge PHIs before
12698 calling VRP. Run VRP again late in the SSA optimization pipeline.
12700 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12702 * df-core.c (df_set_blocks): Do not dereference function pointers.
12703 (df_finish1): Likewise.
12704 (df_hybrid_search_forward): Likewise.
12705 (df_hybrid_search_backward): Likewise.
12706 (df_iterative_dataflow): Likewise.
12707 (df_analyze_problem): Likewise.
12708 (df_compact_blocks): Likewise.
12709 (df_dump): Likewise.
12710 * df-scan.c (df_rescan_blocks): Likewise.
12711 (df_record_entry_block_defs): Likewise.
12713 * genconditions.c (write_conditions): Guard the definition of
12714 'insn_conditions' with the check on GCC version.
12715 (write_writer): Guard the traversal 'insn_conditions' with
12716 the check on GCC version.
12718 2006-02-07 Richard Guenther <rguenther@suse.de>
12722 2006-01-30 Richard Guenther <rguenther@suse.de>
12724 * gimplify.c (gimplify_target_expr): Handle easy cases
12725 without creating a temporary.
12727 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12729 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12730 use of float in probability computations. Use edge probabilities
12731 in place of statically computed probabilities.
12732 (min_spec_prob): New static variable.
12733 (schedule_insns): Initialize it.
12734 (GET_SRC_PROB): Removed.
12735 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12737 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12740 * config/ia64/unwind-ia64.c: Revert last change.
12741 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12742 (INCOMING_FRAME_SP_OFFSET): Define.
12744 2006-02-06 Roger Sayle <roger@eyesopen.com>
12746 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12748 2006-02-07 Ben Elliston <bje@au.ibm.com>
12750 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12751 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12752 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12753 (ix86_return_in_memory): Handle TDmode.
12754 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12755 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12757 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12759 * reorg.c (dbr_schedule): Use dump_file instead of file.
12761 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12764 * config/ia64/predicates.md (extr_len_operand): New predicate.
12765 * config/ia64/ia64.md (extv): Tighten constraints.
12767 (*tbit_and_2): Ditto.
12768 (*tbit_and_3): Ditto.
12769 (*tbit_or_2): Ditto.
12770 (*tbit_or_3): Ditto.
12771 (*bit_zero): Ditto.
12774 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12777 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12779 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12781 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12782 loop_optimizer_init and loop_optimizer_finalize
12783 * tree-ssa-sink.c (execute_sink_code): Ditto.
12784 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12785 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12786 tree_ssa_loop_done): Ditto.
12787 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12788 * sched-ebb.c: Include output.h.
12789 (schedule_ebbs): Do not use dump argument.
12790 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12791 * loop.c (loop_dump_stream): Removed.
12792 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12794 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12795 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12796 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12797 loop_iterations, strength_reduce, record_biv, record_giv,
12798 final_giv_value, check_final_value, check_ext_dependent_givs,
12799 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12800 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12801 dump_file instead of loop_dump_stream.
12802 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12803 argument dump_file.
12804 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12806 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12807 * haifa-sched.c: Include output.h
12808 (schedule_insns, sched_init): Do not use dump argument.
12809 * mode-switching.c (optimize_mode_switching): Ditto.
12810 * modulo-sched.c (stats_file): Removed.
12811 (print_node_sched_params): Do not call argument dump_file.
12812 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12813 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12815 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12817 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12818 rtl_loop_init, rtl_loop_done): Ditto.
12819 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12820 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12822 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12823 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12824 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12825 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12826 * emit-rtl.c (renumber_insns): Ditto.
12827 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12828 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12829 * regclass.c (regclass): Ditto.
12830 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12831 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12832 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12833 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12835 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12836 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12838 * gcse.c (gcse_file, debug_stderr): Removed.
12839 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12840 rest_of_handle_gcse): Do not use dump argument.
12841 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12842 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12843 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12844 compute_code_hoist_vbeinout, compute_code_hoist_data,
12845 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12846 compute_store_table, build_store_vectors, insert_insn_start_bb,
12847 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12848 store_motion): Use dump_file instead of gcse_file.
12849 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12850 * profile.c (profile_dump_file): Removed.
12851 (branch_prob): Use dump_file instead of profile_dump_file.
12852 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12854 * tree-ssa-copy.c (dump_copy_of): Ditto.
12855 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12856 dump file to life_analysis.
12857 * bt-load.c (branch_target_load_optimize): Ditto.
12858 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12860 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12861 regclass, dbr_schedule): Declaration changed.
12862 * sched-int.h (sched_init): Declaration changed.
12863 * tree-profile.c (tree_profile_dump_file): Removed.
12864 (tree_profile_hooks): Removed profile_dump_file hook.
12865 * rtl-profile (rtl_profile_dump_file): Removed.
12866 (rtl_profile_hooks): emoved profile_dump_file hook.
12867 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12869 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12870 * tree-cfg.c (build_tree_cfg): Ditto.
12871 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12872 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12873 Declaration changed.
12874 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12875 life_analysis and schedule_insns.
12876 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12878 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12880 * config/mips/mips.c (mips_reorg): Ditto.
12881 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12884 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12886 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12887 (s390_mangle_fundamental_type): New.
12888 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12891 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12892 (alpha_mangle_fundamental_type): New.
12893 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12896 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12898 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12900 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12901 (sparc_mangle_fundamental_type): New.
12903 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12905 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12906 (s390x-*-linux*): Likewise.
12907 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12908 * config/s390/t-linux: New file.
12910 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12912 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12913 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12915 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12917 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12918 (ANTIC_SAFE_LOADS): New macro.
12919 (find_or_generate_expression): Add prototype.
12920 (set_contains_value): Allow null set for sake of not always having
12921 to allocate ANTIC_SAFE_LOADS.
12922 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12923 Allow COMPONENT_REF too.
12924 (valid_in_set): Allow COMPONENT_REF.
12925 Check ANTIC_SAFE_LOADS too.
12926 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12927 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12929 (can_PRE_operation): Add COMPONENT_REF.
12930 (create_component_ref_by_pieces): New function.
12931 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12932 (insert_aux): Move AGGREGATE_TYPE_P check here.
12933 (compute_avail): Set bb local stmt uids.
12934 (pass_pre): Use TODO_update_ssa_only_virtuals.
12936 2006-02-06 Ben Elliston <bje@au.ibm.com>
12938 * configure.ac: Unconditionally disable decimal float by default.
12939 * configure: Regenerate.
12941 2006-02-06 Ben Elliston <bje@au.ibm.com>
12943 * read-rtl.c (read_name): Terminate reading on EOF.
12945 2006-02-06 Ben Elliston <bje@au.ibm.com>
12947 * dfp.c (decimal_real_arithmetic): Change second argument type
12948 from int to enum tree_code. Do not always return true, but now
12949 return result of any call to decimal_do helper functions.
12950 * dfp.h (decimal_real_arithmetic): Update prototype.
12952 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12954 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12956 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12959 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12962 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12964 * tree-vrp.c (cfg_loops): Removed.
12965 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12966 Use current_loops instead of cfg_loops. Pass flags to
12967 loop_optimizer_init.
12968 * cfgloopmanip.c (fix_loop_structure): Update only available
12970 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12971 loop_optimizer_init.
12972 * modulo-sched.c (build_loops_structure): Removed.
12973 (sms_schedule): Use loop_optimizer_init.
12974 * loop-init.c (loop_optimizer_init): Use flags to determine
12975 which properties of loops to prepare.
12976 (rtl_loop_init): Pass flags to loop_optimizer_init.
12977 * tree-ssa-sink.c (execute_sink_code): Ditto.
12978 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12979 * tree-ssa-pre.c (init_pre): Ditto.
12980 * cfgloop.h (LOOPS_NORMAL): New.
12981 (loop_optimizer_init): Declaration changed.
12983 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12985 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12986 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12988 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12990 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12992 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12993 * pa/t-pa64: Delete quadlib.c rule.
12994 * pa/x-ada: Revert last change.
12995 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12997 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12999 PR rtl-optimization/26087
13000 * rtlanal.c (canonicalize_condition): Do not cross basic block
13003 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13006 * config/ia64/ia64.c: Include debug.h.
13007 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13008 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13009 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13010 (process_epilogue, process_set, process_for_unwind_directive):
13011 Output unwind info only if requested. Add CFA info if requested.
13012 Add new arguments as needed. Adjust callers.
13013 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13015 (DWARF2_FRAME_INFO): Define to zero.
13016 * config/ia64/unwind-ia64.c: Remove code that compensated for
13017 the CFA offset error fixed above.
13018 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13019 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13020 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13021 -funwind-tables and -fexceptions to enable frame info.
13022 (dwarf2out_frame_init): Define initial CFA even if
13023 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13024 DWARF2_UNWIND_INFO is nonzero, not just defined.
13025 (dwarf2out_frame_finish): Output non-EH call frame info only
13026 if DWARF2_FRAME_INFO is nonzero.
13027 (convert_cfa_to_loc_list,
13028 compute_frame_pointer_to_cfa_displacement): Define even if
13029 unwind info is not supported.
13030 (gen_subprogram_die): Use the above unconditionally. Remove
13031 legacy alternate code.
13032 * toplev.c (compile_file): Compile in call to
13033 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13034 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13036 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13037 Jakub Jelinek <jakub@redhat.com>
13039 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13040 IBM extended float format long double as "g" on powerpc*-linux.
13042 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13045 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13046 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13048 2006-02-03 Jason Merrill <jason@redhat.com>
13051 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13053 PR middle-end/25977
13054 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13055 on the return slot if it's an NRV.
13057 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13059 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13060 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13061 rewrite_use): Do not handle USE_OUTER.
13062 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13063 add_iv_outer_candidates, may_replace_final_value,
13064 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13065 (find_interesting_uses_op): Functionality of
13066 find_interesting_uses_outer_or_nonlin moved here.
13067 (find_interesting_uses_outside): Use find_interesting_uses_op.
13069 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13072 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13074 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13075 Ulrich Weigand <uweigand@de.ibm.com>
13078 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13079 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13080 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13081 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13083 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13084 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13085 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13086 Define secondary reloads for TFmode moves.
13087 (constant_modes): Add TFmode.
13088 (NR_C_MODES): Set to 8.
13089 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13091 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13092 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13093 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13094 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13095 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13096 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13097 (FPR mode macro): Add TFmode.
13098 (DSF mode macro): New.
13099 (<de>, <dee> mode attributes): Removed.
13100 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13101 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13102 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13103 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13104 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13105 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13106 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13107 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13108 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13109 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13110 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13111 "*negabs<mode>2", "sqrt<mode>2"):
13112 Changed <de> to <xde>. R constraint replaced by <Rf>.
13113 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13115 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13116 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13117 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13119 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13120 "extenddftf2", "extendsftf2"): New expanders.
13121 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13122 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13123 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13124 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13126 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13127 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13128 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13129 __floatditf): Add a GCC_4.1.0 symbol version tag.
13130 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13133 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13136 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13137 Use targetm.binds_local_p instead of TREE_PUBLIC.
13139 2006-02-02 Roger Sayle <roger@eyesopen.com>
13141 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13142 on INTEGER_TYPEs to indicate that it denotes a character type.
13143 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13144 signed_char_type_node, unsigned_char_type_node and char_type_node.
13145 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13146 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13147 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13149 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13150 Daniel Berlin <dberlin@dberlin.org>
13152 * tree-tailcall.c (arg_needs_copy_p): New function.
13153 (eliminate_tail_call): Use arg_needs_copy_p.
13154 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13155 (add_virtual_phis): New function.
13157 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13159 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13160 #ignore instead of #scratch for %g7 .register directive.
13162 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13164 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13167 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13169 * flow.c (calculate_global_regs_live): Assert that there aren't any
13172 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13174 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13175 what its name says.
13176 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13177 bsi_after_labels iterator.
13178 * tree-if-conv.c (find_phi_replacement_condition,
13179 replace_phi_with_cond_modify_expr): Likewise.
13180 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13181 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13183 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13185 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13187 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13190 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13191 array after growing it.
13193 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13195 PR middle-end/24901
13196 * fold-const.c (fold_checksum_tree): Change type of buf.
13198 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13200 * reload.c (push_secondary_reload): Initialize t_icode.
13202 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13204 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13205 -msoft-float -mlong-double-128 only issue a warning, but don't
13206 swich to DFmode long double.
13208 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13210 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13211 has a constant equivalent, iterate over equivalents for arg0,
13212 calling simplify_relational_operation and if there's a result
13213 cheaper than X, apply fold_rtx and return the result.
13215 2006-02-01 Jan Hubicka <jh@suse.cz>
13217 * opts.c (no_unit_at_a_time_default): New global variable.
13218 (decode_options): Use it.
13219 * opts.h (no_unit_at_a_time_default): Declare.
13221 2006-02-01 Paul Brook <paul@codesourcery.com>
13223 * function.c (assign_parm_setup_reg): Use function argument promotion
13225 * expr.c (expand_expr_real_1): Use function argument promotion rules
13228 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13230 * gcc.c (process_command): Change j to 'unsigned int'.
13232 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13234 PR middle-end/26001
13235 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13236 Use the corrected index for the character
13237 out of the string constant.
13239 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13241 * mode-switching.c (optimize_mode_switching): Fix size
13242 allocated for bb_info[n_entities].
13244 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13246 * gcc.c (main): Correct type that is allocated for
13247 explicit_link_files.
13249 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13251 * config/s390/s390.c (init_alignment_context): Set
13252 ALIAS_SET_MEMORY_BARRIER on the MEM.
13253 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13255 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13257 PR middle-end/25933
13258 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13260 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13263 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13265 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13266 * regrename.c: Ditto.
13267 * tree-ssa-loop-im.c: Ditto.
13268 * tree-dump.c: Ditto.
13269 * tree-complex.c: Ditto.
13270 * genrecog.c: Ditto.
13271 * tree-ssa-threadupdate.c: Ditto.
13273 * java/class.c: Ditto.
13274 * java/jcf-parse.c: Ditto.
13275 * java/resource.c: Ditto.
13276 * java/except.c: Ditto.
13277 * java/jvspec.c: Ditto.
13278 * java/jcf-write.c: Ditto.
13279 * java/jcf-path.c: Ditto.
13280 * java/gjavah.c: Ditto.
13281 * java/zextract.c: Ditto.
13282 * java/jcf-io.c: Ditto.
13283 * java/jcf.h: Ditto.
13284 * java/buffer.c: Ditto.
13285 * java/lang.c: Ditto.
13286 * java/parse-scan.y: Ditto.
13287 * java/lex.c: Ditto.
13288 * java/lex.h: Ditto.
13289 * cfgloopmanip.c: Ditto.
13290 * postreload-gcse.c: Ditto.
13291 * tree-ssa-loop-manip.c: Ditto.
13292 * postreload.c: Ditto.
13293 * tree-ssa-loop-ch.c: Ditto.
13296 * cppspec.c: Ditto.
13297 * diagnostic.c: Ditto.
13299 * genoutput.c: Ditto.
13301 * cfghooks.c: Ditto.
13302 * cfgloopanal.c: Ditto.
13303 * objc/objc-act.c: Ditto.
13305 * genextract.c: Ditto.
13306 * genautomata.c: Ditto.
13307 * pretty-print.c: Ditto.
13308 * genemit.c: Ditto.
13309 * cgraphunit.c: Ditto.
13311 * df-scan.c: Ditto.
13312 * haifa-sched.c: Ditto.
13313 * dominance.c: Ditto.
13315 * tree-ssa-loop-ivopts.c: Ditto.
13316 * df-core.c: Ditto.
13317 * mode-switching.c: Ditto.
13318 * modulo-sched.c: Ditto.
13320 * ipa-pure-const.c: Ditto.
13322 * fix-header.c: Ditto.
13324 * tree-stdarg.c: Ditto.
13325 * ipa-utils.c: Ditto.
13326 * loop-init.c: Ditto.
13327 * ipa-inline.c: Ditto.
13328 * cfganal.c: Ditto.
13330 * alloc-pool.c: Ditto.
13331 * dwarf2out.c: Ditto.
13333 * genattrtab.c: Ditto.
13334 * tree-ssa-loop-ivcanon.c: Ditto.
13335 * predict.c: Ditto.
13336 * timevar.c: Ditto.
13338 * fortran/gfortranspec.c: Ditto.
13339 * regmove.c: Ditto.
13340 * local-alloc.c: Ditto.
13341 * langhooks.c: Ditto.
13342 * function.c: Ditto.
13343 * tree-vectorizer.c: Ditto.
13345 * ipa-type-escape.c: Ditto.
13347 * tree-if-conv.c: Ditto.
13348 * profile.c: Ditto.
13350 * tree-data-ref.c: Ditto.
13351 * loop-unroll.c: Ditto.
13352 * treelang/treetree.c: Ditto.
13354 * bt-load.c: Ditto.
13355 * ggc-common.c: Ditto.
13357 * coverage.c: Ditto.
13359 * tree-cfgcleanup.c: Ditto.
13360 * tree-ssa-pre.c: Ditto.
13361 * cfgcleanup.c: Ditto.
13362 * loop-invariant.c: Ditto.
13363 * loop-iv.c: Ditto.
13364 * ipa-prop.c: Ditto.
13365 * print-tree.c: Ditto.
13366 * conflict.c: Ditto.
13367 * ggc-page.c: Ditto.
13368 * sched-deps.c: Ditto.
13369 * regclass.c: Ditto.
13370 * tree-object-size.c: Ditto.
13371 * combine.c: Ditto.
13372 * bb-reorder.c: Ditto.
13373 * resource.c: Ditto.
13374 * var-tracking.c: Ditto.
13375 * cfgloop.c: Ditto.
13376 * df-problems.c: Ditto.
13377 * reg-stack.c: Ditto.
13379 * gccspec.c: Ditto.
13380 * sched-rgn.c: Ditto.
13381 * tree-ssa-structalias.c: Ditto.
13382 * tree-ssa-reassoc.c: Ditto.
13383 * config/darwin-c.c: Ditto.
13384 * config/darwin.c: Ditto.
13385 * config/arm/arm.c: Ditto.
13387 * collect2.c: Ditto.
13388 * reload1.c: Ditto.
13390 2006-01-31 Nicolas Pitre <nico@cam.org>
13392 * arm.md (smaxsi3): Make aware of smax_m1.
13395 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13397 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13399 2006-01-31 Richard Guenther <rguenther@suse.de>
13401 * doc/invoke.texi (-msselibm): Document.
13402 * target.h (expand_library_builtin): New target hook.
13403 * builtins.c (expand_builtin): Use expand_library_builtin.
13404 (default_expand_library_builtin): New function.
13405 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13406 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13407 (link_gcc_math_spec): Declare.
13408 (static_specs): Add link_gcc_math_spec.
13409 * expr.h (default_expand_library_builtin): Declare.
13410 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13411 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13412 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13413 * config/i386/i386.opt (msselibm): New target option.
13414 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13415 (ix86_init_sse_abi_builtins): New function.
13416 (ix86_expand_library_builtin): Likewise.
13417 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13418 (override_options): Handle error conditions wrt -msselibm.
13419 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13420 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13421 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13424 2006-01-31 Richard Guenther <rguenther@suse.de>
13425 Paolo Bonzini <bonzini@gnu.org>
13427 * doc/install.texi (--disable-libgcc-math): Document.
13429 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13431 * expr.h (expand_normal): new inline function.
13432 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13433 * dojump.c: use it.
13434 * dwarf2out.c: use it.
13437 * expmed.c: use it.
13438 * except.c: use it.
13439 * config/sparc/sparc.c: use it.
13440 * config/i386/i386.c: use it.
13441 * config/rs6000/rs6000.c: use it.
13442 * config/arm/arm.c: use it.
13443 * config/mips/mips.c: use it.
13444 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13446 2006-01-30 Roger Sayle <roger@eyesopen.com>
13448 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13449 argv to the appropriate type.
13451 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13453 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13456 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13459 * config/s390/s390.c (struct machine_function): New flag
13460 decomposed_literal_pool_addresses_ok_p.
13461 (s390_reorg): Set it before final stage of literal pool transforms.
13462 (s390_decompose_address): Only accept displacements of the form
13463 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13465 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13467 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13468 the comparison routine return.
13470 2006-01-30 Michael Matz <matz@suse.de>
13472 * global.c (find_reg): Only evict for global regs.
13473 Take n_refs into account and dump more info.
13475 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13478 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13479 (pragma_trap, pragma_nosave_low_regs): Likewise.
13480 (current_function_anonymous_args): Likewise.
13481 (sh_deferred_function_attributes): New variable.
13482 (sh_deferred_function_attributes_tail): Likewise.
13483 (print_operand): For '@', look up trap_exit attribute.
13484 (calc_live_regs): Look up trapa_handler attribute. For trapa
13485 handlers, save/restore fpscr, but don't do any other
13486 interrupt-specific saves.
13487 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13488 Fix check for partially saved registers to check for SHmedia.
13489 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13490 (sh_output_function_epilogue): Don't clear any of the removed
13492 (sh_insert_attributes): Don't check pragma_interrupt.
13493 Insert deferred attributes. Check that interrupt attribute is
13494 present for other attributes that require its presence.
13495 (sh_attribute_table): Add new attributes trapa_handler and
13497 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13498 Don't check for pragma_interrupt. Don't store argument.
13499 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13500 (sh_deferred_function_attributes): Declare.
13501 (sh_deferred_function_attributes_tail): Likewise.
13502 * sh.md (sp_switch_1): Add operand. Change generator caller.
13503 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13504 (*return_i): Don't use when trap_exit attribute is in effect.
13505 (*return_trapa): New insn pattern.
13506 * sh-c.c: New file.
13507 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13508 setting c_target_objs and cxx_target_objs.
13509 * t-sh: Add rule for sh-c.o.
13511 2006-01-30 Richard Guenther <rguenther@suse.de>
13514 * gimplify.c (gimplify_target_expr): Handle easy cases
13515 without creating a temporary.
13517 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13519 * vec.h (safe_grow): Remove duplicated line.
13521 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13524 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13525 (expand_omp): ... here.
13526 (expand_omp_parallel): Only remove barriers for combined
13527 parallel+workshare constructs.
13529 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13533 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13534 * tree.c (build_qualified_type): Chain the new type to the original
13535 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13536 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13537 (build_pointer_type_for_mode): Only return unqualified types.
13538 (build_reference_type_for_mode): Likewise.
13540 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13542 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13543 * Makefile.in (CXX_COMPAT_WARN): Define.
13544 * configure: Regenerate.
13546 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13549 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13552 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13554 * toplev.c: Fix thinko.
13556 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13557 Marcin Dalecki <martin@dalecki.de>
13559 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13560 (push_srcloc): Use XNEW.
13561 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13563 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13565 * df-core.c (df_set_blocks): Deleted all variable.
13567 2006-01-28 Ian Lance Taylor <ian@airs.com>
13569 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13570 cgraph_output_pending_asms.
13572 2006-01-28 Zack Weinberg <zackw@panix.com>
13574 * c.opt: Add -W(no-)overlength-strings.
13575 * doc/invoke.texi: Document it.
13576 * c-opts.c (c_common_handle_option): -pedantic implies
13577 -Woverlength-strings, if not explicitly disabled already.
13578 (c_common_post_options): -Woverlength-strings defaults to off, and
13579 is always off for C++.
13580 * c-common.c (fix_string_type): Issue warning about strings longer
13581 than is portable only if warn_overlength_strings. Rearrange code
13582 a little for clarity.
13583 * configure.in: Check for -Wno-overlength-strings as well before
13584 enabling -pedantic in stage 1.
13585 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13586 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13588 * genconditions.c (write_header, write_one_condition)
13589 (write_conditions, write_writer): Consolidate very long strings
13590 that were broken up to fit in C89 portable limit. Don't use
13591 printf when fputs will do.
13593 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13595 * combine.c (simplify_comparison <AND>): Check
13596 TRULY_NOOP_TRUNCATION before start using a subreg.
13598 * config/mips/mips.md (*branch_zero<mode>,
13599 *branch_zero<mode>_inverted, *branch_equality<mode>,
13600 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13601 Remove mode check from comparisons.
13603 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13605 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13607 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13609 * expmed.c (const_mult_add_overflow_p): Remove.
13610 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13612 * recog.c (validate_replace_rtx_subexp): Remove.
13613 * recog.h: Remove the prototype for
13614 validate_replace_rtx_subexp.
13616 * integrate.h: Remove the prototype for
13617 copy_decl_for_inlining.
13618 * rtl.h: Remove the prototype for mark_constant_function.
13619 * tree-vectorizer.h: Remove the prototype for
13620 vect_strip_conversion.
13622 * modulo-sched.c (create_partial_schedule,
13623 free_partial_schedule, reset_partial_schedule): Make them
13626 * hooks.c (hook_bool_rtx_int_false): Remove.
13627 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13629 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13631 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13632 and -mlong-double-128 are incompatible.
13633 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13634 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13635 (TARGET_LIBGCC2_CFLAGS): Define.
13636 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13637 (TARGET_LIBGCC2_CFLAGS): Same.
13638 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13640 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13643 * c-typeck.c (build_binary_op): Perform implicit casts of
13644 operands before shortening them.
13646 * cfgloopmanip.c (split_loop_bb): Remove.
13647 * cfgloop.h: Remove the prototype for split_loop_bb.
13649 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13650 * cfgloop.h: Remove the prototype for
13651 flow_loop_outside_edge_p.
13653 * emit-rtl.c (init_virtual_regs): Make it static.
13654 * function.h: Remove the prototype for init_virtual_regs.
13656 * recog.c (peephole2_optimize): Make it static.
13657 * recog.h: Remove the prototype for peephole2_optimize.
13659 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13661 * df-scan.c (df_record_entry_block_defs): Check if
13662 INCOMING_RETURN_ADDR_RTX is defined.
13664 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13665 Kenneth Zadeck <zadeck@naturalbridge.com>
13667 PR rtl-optimization/24762
13668 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13669 * targhooks.c (hook_void_bitmap): New hook prototype.
13670 * targhoohs.h (hook_void_bitmap): Ditto.
13671 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13672 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13673 * target.h (live_on_entry): New function pointer.
13674 * df-scan.c (df_all_hard_regs): Removed.
13675 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13676 (df_scan_free_internal): Added df->entry_block_defs.
13677 (df_scan_alloc): Ditto.
13678 (df_scan_dump): Ditto.
13679 (df_uses_record): Plumbed flag field properly thru calls.
13680 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13681 This part fixes PR24762.
13682 (df_bb_refs_record): Added code to make the frame and arg
13683 pointers live in EH blocks.
13684 (df_refs_record): Added call to df_record_entry_block_defs.
13685 (df_record_entry_block_defs): New function.
13686 * df-core.c: Added comments to describe new artifical defs.
13687 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13688 (entry_block_defs): New field in struct df.
13689 (df_all_hard_regs): Deleted.
13690 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13691 * df-problems.c (df_ru_bb_local_compute_process_def):
13692 Added code to handle artifical defs in the entry to a function.
13693 (df_ru_bb_local_compute): Ditto.
13694 (df_rd_bb_local_compute_process_def): Ditto.
13695 (df_rd_bb_local_compute): Ditto.
13696 (df_lr_bb_local_compute): Ditto.
13697 (df_ur_bb_local_compute): Ditto.
13698 (df_urec_bb_local_compute): Ditto.
13699 (df_chain_create_bb): Ditto.
13700 (df_ur_local_finalize): Removed entry.
13701 (df_urec_init): Ditto.
13702 (df_urec_local_finalize): Ditto.
13703 (df_ri_bb_compute): Added detection of last use of pseudos.
13704 * Makefile.in (df-scan.o): Updated dependencies.
13705 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13706 * config/mips/mips.c (mips_set_live_on_entry): Added.
13707 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13709 * dce.c (marked_insn_p): Added code to handle artifical defs.
13711 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13713 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13715 (_mm_cvtsi128_si64): Likewise.
13716 (_mm_cvtsd_si64): Likewise.
13717 (_mm_cvttsd_si64): Likewise.
13718 (_mm_cvtsi64_sd): Likewise.
13719 (_mm_cvtsi64_si128): Likewise.
13720 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13721 (_mm_cvtsi64_m64): Likewise.
13722 (_m_to_int64): Likewise.
13723 (_mm_cvtm64_si64): Likewise.
13724 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13725 (_mm_cvttss_si64): Likewise.
13726 (_mm_cvtsi64_ss): Likewise.
13727 (_mm_cvtss_f32): Likewise.
13729 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13731 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13732 for pragma redefine_extname.
13734 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13737 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13738 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13739 -mno-minimal-toc to previous content.
13740 (bispecs): Remove goal.
13741 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13742 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13743 compatibility aliases on powerpc-*-*gnu*.
13744 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13745 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13746 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13747 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13748 (ldblspecs): New goal.
13749 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13750 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13752 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13753 L_sf_to_tf or L_df_to_tf is defined.
13755 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13756 Alan Modra <amodra@bigpond.net.au>
13759 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13760 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13761 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13762 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13763 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13764 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13765 (rs6000_override_options): Initialize rs6000_ieeequad.
13766 Initialize TFmode format to ibm_extended_format if not
13768 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13770 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13771 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13772 (function_arg_advance): IBM long double passed in two FPRs, not
13774 (function_arg): IBM long double passed in FPRs.
13775 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13776 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13777 Only multireg GPR aligned.
13778 (rs6000_init_libfuncs): Enable IBM long double functions if not
13780 (rs6000_generate_compare): Use IBM long double compare if not
13782 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13783 (TARGET_IEEEQUAD): Define.
13784 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13785 not TARGET_IEEEQUAD.
13786 * config/rs6000/rs6000.md: Enable TFmode patterns if
13788 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13789 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13790 and -mlong-double-128 are incompatible.
13791 * doc/invoke.texi (-mabi): Collect options together. Add
13792 ibmlongdouble and ieeelongdouble.
13794 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13796 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13798 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13799 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13800 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13801 * rtl.h (rtunion_def): Remove rt_ptr.
13803 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13804 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13805 * config/i386/winnt.c (i386_pe_mark_dllexport)
13806 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13808 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13810 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13812 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13816 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13817 pthread_key_delete. From John David Anglin. gthrw-ify
13818 pthread_getunique_np only if it it's not a macro. Delete
13820 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13821 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13822 __gthread_objc_condition_signal, __gthread_key_delete): Add
13823 "__attribute__ ((__unused__))" to unused arguments.
13824 (__gthread_recursive_mutex_init_function): Add missing return.
13825 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13826 gthr-posix95.h: Use macro-based approach for name redirection
13827 on targets missing weakref.
13829 2006-01-26 Zack Weinberg <zackw@panix.com>
13831 * genconditions.c (write_header): In generated code, #ifdef out
13832 all includes and fake declarations, except includes of bconfig.h
13833 and system.h, unless GCC_VERSION >= 3001. Do not include
13834 gensupport.h in any case.
13835 (write_conditions): Generate a definition of struct c_test. Add
13836 a comment to the generated #endif.
13837 (write_one_condition): Escape backslashes in string too.
13838 (write_writer): Generated code must escape backslashes and quote
13839 marks (but not newlines) in the strings it writes.
13840 * Makefile.in (build/gencondmd.o): Update dependencies.
13842 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13845 * Makefile.in (insn-automata.o): Add header file dependencies.
13846 * genautomata.c: Add includes.
13848 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13851 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13853 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13855 * configure.ac: Expect target tools paths to be passed from the toplevel
13856 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13858 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13860 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13863 * c.opt (Wpointer-sign): Init to -1.
13864 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13865 OPT_pedantic, to 0 otherwise.
13866 * doc/invoke.texi: Update.
13868 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13870 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13871 constants provided by 80387 instructions in the destination mode.
13873 2006-01-26 Richard Guenther <rguenther@suse.de>
13874 Andrew Pinski <pinskia@physics.uc.edu>
13877 partial PR tree-opt/17064
13878 * tree-ssa-structalias.c (intra_create_variable_infos):
13879 Create heap variables for incoming parameters if
13880 flag_argument_noalias > 1.
13881 (find_what_p_points_to): Look through default defs of
13884 2006-01-26 Jeff Law <law@redhat.com>
13887 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13888 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13889 within the VR_RANGE, use the VR_RANGE as the result, not the
13891 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13892 bounds for the type.
13894 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13896 * tree-ssa-alias.c (maybe_create_global_var): Change
13897 subvar walking to an assertion that we don't have subvar'd variables.
13899 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13902 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13903 Use a new variable, inner. PARM_DECLs are always non-weak.
13905 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13907 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13908 --disable-checking.
13910 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13912 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13914 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13916 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13917 (smax_insn, smin_insn, smax_0, smin_0): New.
13919 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13922 * config/cris/cris.c (cris_order_for_addsi3): New function.
13923 * config/cris/cris-protos.h: Prototype it.
13924 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13925 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13926 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13927 (split for "op.S1 [rx=rx+i],ry (swapped)")
13928 (split for "op(s|u).S1 [rx=rx+i],ry")
13929 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13930 Apply cris_order_for_addsi3 when generating addsi3 insns.
13932 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13934 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13935 (TREE_BLOCK): Add call to EXPR_CHECK.
13937 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13940 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13941 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13942 (dump_omp_clauses): ... here.
13943 (dump_generic_node): Handle OMP_CLAUSE.
13944 * tree.c (omp_clause_num_ops): New.
13945 (omp_clause_code_name): New.
13946 (tree_code_size): Handle OMP_CLAUSE.
13947 (tree_size): Likewise.
13948 (make_node): Document handling of OMP_CLAUSE.
13949 (tree_node_structure): Handle OMP_CLAUSE.
13950 (omp_clause_check_failed): New.
13951 (omp_clause_range_check_failed): New.
13952 (omp_clause_operand_check_failed): New.
13953 (build_omp_clause): New.
13954 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13955 * tree.h (enum omp_clause_code): Declare.
13956 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13957 (OMP_CLAUSE_RANGE_CHECK): Define.
13958 (OMP_CLAUSE_ELT_CHECK): Define.
13959 (omp_clause_check_failed): Declare.
13960 (omp_clause_operand_check_failed): Declare.
13961 (omp_clause_range_check_failed): Declare.
13962 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13963 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13964 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13965 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13966 (OMP_CLAUSE_IF_EXPR): Likewise.
13967 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13968 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13969 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13970 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13971 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13972 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13973 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13974 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13975 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13976 (OMP_CLAUSE_CODE): Define.
13977 (OMP_CLAUSE_SET_CODE): Define.
13978 (OMP_CLAUSE_CODE): Define.
13979 (OMP_CLAUSE_OPERAND): Define.
13980 (struct tree_omp_clause): Declare.
13981 (union tree_node): Add field 'omp_clause'.
13982 * treestruct.def (TS_OMP_CLAUSE): Define.
13983 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13984 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13985 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13986 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13987 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13988 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13989 (OMP_CLAUSE): Define.
13990 * print-tree.c (print_node): Handle OMP_CLAUSE.
13991 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13992 * c-typeck.c: Likewise.
13993 * gimplify.c: Likewise.
13994 * c-omp.c: Likewise.
13995 * tree-nested.c: Likewise.
13996 * tree-inline.c: Likewise.
13997 * c-parser.c: Likewise.
13998 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14001 2006-01-25 Roger Sayle <roger@eyesopen.com>
14003 PR rtl-optimization/25703
14004 * combine.c (try_combine): Handle zero_extract and strict_low_part
14005 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14007 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14009 * global.c: Fix comment typos.
14011 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14014 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14015 Use output_addr_const instead of assemble_name.
14017 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14019 * Makefile.in (sched-vis.o): Update dependencies.
14020 * haifa-sched.c (sched_finish): Clear current_sched_info.
14021 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14022 (dump_flow_info): Call it.
14023 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14025 * basic-block.h (dump_bb_info): Declare.
14026 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14027 option, and apply options only for dump files whose TDF_RTL,
14028 TDF_TREE, or TDF_IPA bits match.
14029 * rtl.h: Declare new functions exported from sched-vis.c.
14030 * sched-vis.c: Enable also if scheduling is not used.
14031 (print_value): Print the mode of registers if not inside scheduling.
14032 (print_insn): Make it work outside the scheduler. Beautify the output
14034 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14036 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14038 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14039 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14040 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14041 depending on the value of CONSTANT_POOL_ADDRESS_P.
14042 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14044 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14045 rather than SYMBOL_REF_DECL.
14046 (rtx_constant_pool): Remove const_rtx_sym_htab.
14047 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14048 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14049 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14050 Remove handling of const_rtx_sym_htab.
14051 (find_pool_constant): Delete.
14052 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14053 rather than find_pool_constant.
14054 (get_pool_constant_for_function): Delete.
14055 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14056 find_pool_constant.
14057 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14058 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14059 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14060 (SYMBOL_REF_CONSTANT): New macro.
14061 (get_pool_constant_for_function): Delete.
14062 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14063 rather than SYMBOL_REF_DECL.
14064 (i386_pe_mark_dllimport): Likewise.
14065 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14066 rather than SYMBOL_REF_DECL.
14067 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14068 (machopic_indirect_call_target): Likewise.
14070 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14072 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14074 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14076 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14078 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14080 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14082 2006-01-24 David Daney <ddaney@avtrex.com>
14085 * configure.ac (enable_tls): New enable option.
14086 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14087 * configure: Regenerate.
14088 * doc/install.texi (--enable-tls): Document new option.
14089 (--disable-tls): Ditto.
14091 2006-01-24 Richard Henderson <rth@redehat.com>
14093 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14094 * alias.c (true_dependence): Respect it.
14095 (canon_true_dependence, write_dependence_p): Likewise.
14096 * builtins.c (get_builtin_sync_mem): Set it.
14098 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14100 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14103 2006-01-24 DJ Delorie <dj@redhat.com>
14105 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14106 for storing constants in single-bit bitfields.
14108 2006-01-25 Ben Elliston <bje@au.ibm.com>
14110 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14112 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14115 * tree-ssa-pre.c (phi_translate): Return NULL
14116 for AGGREGATE_TYPE's.
14118 2006-01-24 Zack Weinberg <zackw@panix.com>
14120 * genautomata.c (process_state_for_insn_equiv_partition):
14121 Use xcalloc for insn_arcs_array.
14122 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14123 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14125 2006-01-24 Richard Henderson <rth@redhat.com>
14127 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14128 update all callers.
14130 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14132 PR rtl-optimization/25890
14133 PR rtl-optimization/25905
14134 * combine.c (expand_compound_operation, expand_field_assignment):
14135 Fail if the bitfield's final position is out of bounds.
14137 2006-01-24 Ian Lance Taylor <ian@airs.com>
14139 PR middle-end/25930
14140 * cgraphunit.c (cgraph_output_in_order): Don't clear
14141 cgraph_asm_nodes until after asm strings have been output.
14143 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14145 * fix-header.c (read_scan_file): Add new parameter imultilib when
14146 calling register_include_chains.
14148 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14150 * omp-low.c: Update documentation.
14152 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14153 Daniel Berlin <dberlin@dberlin.org>
14157 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14158 return from the function.
14160 2006-01-22 Zack Weinberg <zackw@panix.com>
14162 * rtl.def (match_code): Add second argument.
14163 * genpreds.c (write_extract_subexp): New function.
14164 (write_match_code): Add path argument. Use write_extract_subexp.
14165 (write_predicate_expr): Pass path to write_match_code.
14166 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14167 not perform a mode test.
14168 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14169 a subexpression does not constrain the top-level code set.
14170 * read-rtl.c (read_rtx_variadic): New function.
14171 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14172 * doc/md.texi: Document new notation.
14173 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14174 (cmpsi_operand): ... here, using new notation.
14176 2006-01-22 Zack Weinberg <zackw@panix.com>
14178 * varray.c: Remove GENERATOR_FILE #ifdefs.
14180 2006-01-22 Zack Weinberg <zackw@panix.com>
14182 * genautomata.c (output_reserved_units_table): Emit nothing if
14183 description->query_units_num is zero. Remove extra blank line.
14184 (output_cpu_unit_reservation_p): Short circuit
14185 if description->query_units_num is zero.
14187 2006-01-22 Zack Weinberg <zackw@panix.com>
14189 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14190 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14191 nor any of the random handful of variables that used to be necessary
14192 when this program was linked with rtlanal.o. Prune set of forward
14193 function declarations.
14194 (struct attr_desc): Remove static_p field.
14195 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14196 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14197 (attr_string): Do not read the character one past the length of
14199 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14200 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14201 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14202 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14203 (make_automaton_attrs): New.
14204 (main): Do not call into genautomata. Call local gen_bypass
14205 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14206 Remove special case for insn_alts.
14207 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14208 varray.h (leftover from previous change). Prune set of forward
14209 function declarations. Remove state_alts fields from all
14210 structures. Remove state_alts_table from struct automaton.
14211 Make everything except main static. Do not maintain num_dfa_decls.
14212 Do not maintain state_alts fields of various structures.
14213 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14214 (add_arc): Remove state_alts argument. All callers updated.
14215 (output_reserved_units_table): Emit #ifdef here...
14216 (output_tables): ...not here. Don't generate state_alts tables.
14217 (expand_automata): Don't generate attributes.
14218 (write_automata): Don't generate state_alts functions.
14219 (main): New function.
14220 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14221 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14222 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14223 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14224 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14225 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14226 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14227 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14229 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14230 * genattrtab.h: Delete file.
14231 * Makefile.in (OBJS-common): Add insn-automata.o.
14232 (insn-automata.o): New rule.
14233 (simple_generated_c): Add insn-automata.c.
14234 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14235 (genprogmd): Add automata.
14236 (build/genattrtab): Needs no extra objects nor libraries.
14237 (build/genautomata): Needs build/vec.o and -lm.
14239 2006-01-22 Zack Weinberg <zackw@panix.com>
14241 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14242 (output_dfa_max_issue_rate, locked_states_num): Delete.
14243 (struct automaton): Add locked_states field.
14244 (output_dead_lock_vect): Save number of locked states in
14245 automaton->locked_states. If it is zero, don't print anything.
14246 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14247 (output_internal_dead_lock_func): Only test the dead_lock_vect
14248 for automata that have locked states.
14249 (output_statistics): Always print the number of locked states for
14250 each automaton. Calculate total number of locked states here.
14251 (write_automata): Don't call output_dfa_max_issue_rate.
14252 * genattrtab.c: Define length_unit_log as a const variable.
14253 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14254 max_insn_queue_index const.
14255 * final.c (length_unit_log): Declare const.
14256 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14258 2006-01-22 Zack Weinberg <zackw@panix.com>
14260 * genautomata.c: Include vec.h, not varray.h.
14261 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14262 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14263 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14264 VEC_* macros operating on appropriately typed vectors, or to
14265 malloced arrays when the size is known in advance. Const-ify
14266 many char* variables and function arguments. No functional changes.
14267 * Makefile.in (build/varray.o): Delete rule.
14268 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14269 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14271 2006-01-22 Zack Weinberg <zackw@panix.com>
14273 * gensupport.c: Define get_insn_name and record_insn_name here.
14274 (read_md_rtx): Call record_insn_name as appropriate.
14275 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14276 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14277 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14279 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14280 (BUILD_VARRAY): Delete.
14281 (genprognormal): Rename genprogmd. Fold in all programs from
14282 genprognoprint; also attrtab.
14283 (build/genattrtab): Just mention genautomata.o and varray.o.
14284 Reorganize a bit, add comments to make the categories clearer.
14286 2006-01-22 Zack Weinberg <zackw@panix.com>
14288 * genconditions.c (condition_table, add_condition): Delete.
14289 (write_conditions): Don't emit n_insn_conditions nor
14290 insn_elision_unavailable. Issue the gcc version #ifdef here,
14291 inside the table, with no #else clause ...
14292 (write_header): ...not here.
14293 (write_writer): New function.
14294 (main): Don't initialize condition_table. Use add_c_test.
14296 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14297 files on the command line.
14298 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14299 Return -1 if there is no entry in the table, don't abort.
14300 (add_c_test, traverse_c_tests): New functions.
14301 * gensupport.h (insn_elision_unavailable, insn_conditions)
14302 (n_insn_conditions): Delete declarations.
14303 (add_c_test, traverse_c_tests): Declare.
14304 * read-rtl.c: Include gensupport.h.
14305 (read_conditions): New function.
14306 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14307 (read_rtx_1): If we get EOF when we were looking for an initial
14308 open paren, return 0. Call read_conditions when appropriate.
14309 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14310 dummy-conditions.o. Eliminate references to insn-conditions.o,
14311 or change them to build/gencondmd.o, as appropriate. Remove
14312 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14313 from $(simple_generated_c). For all files remaining in those
14314 two lists, add insn-conditions.md to the generator command line.
14315 Give insn-constants.h/s-constants their own rules. Add rules
14316 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14317 (build/read-rtl.o): Depend on gensupport.h.
14318 (genprognormal): Include preds.
14319 (genprogearly): Rename genprognoprint; only difference is now that
14320 they don't link with $(BUILD_PRINT).
14321 * dummy-conditions.c: Delete.
14323 2006-01-22 Zack Weinberg <zackw@panix.com>
14325 * genextract.c: Don't include insn-config.h. Do include vec.h.
14326 Declare vectors of int, char, and locstr.
14327 (locstr): New typedef.
14328 (struct extraction): Make all array fields into bare pointers.
14329 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14330 (insn_code_number): Delete.
14331 (accum_extract): New struct.
14332 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14333 (gen_insn): Take insn_code_number as an argument. Use an
14334 accum_extract structure instead of loading data directly into
14335 a struct extraction, and having to know how big it might get.
14336 (walk_rtx): Operate entirely on an accum_extract structure.
14337 (print_path): Avoid unnecessary use of printf.
14338 (print_header): New function, split out of main. Distinguish
14339 more carefully between an unrecognizable insn and an insn that
14340 has the code number of a define_expand.
14341 (main): Pass insn_code_number to gen_insn. Call print_header
14342 only after parsing. Avoid unnecessary use of printf.
14343 * Makefile.in (build/vec.o): New rule.
14344 (build/genextract): Depend on build/vec.o.
14345 (build/genextract.o): Don't depend on insn-config.h.
14347 2006-01-22 Zack Weinberg <zackw@panix.com>
14349 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14350 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14351 practical. Eliminate per-generator-program link rules.
14353 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14355 PR middle-end/24437
14356 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14357 with a call expr to ...
14358 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14360 2006-01-23 Richard Guenther <rguenther@suse.de>
14362 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14363 before make_edge with conditional EDGE_TRUE_VALUE.
14365 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14366 Jan Hubicka <jh@suse.cz>
14367 Richard Guenther <rguenther@suse.de>
14369 PR rtl-optimization/25654
14370 * cfgexpand.c (aggregate_contains_union_type): New function.
14371 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14372 for structure variables that contain a union type.
14374 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14376 * gengtype.c (new_structure): Return the structure.
14377 (create_option): Add an extra "next" argument.
14378 (create_field): New function.
14379 (adjust_field_rtx_def): Use create_option and create_field.
14380 Remove a now-unnecessary call to find_structure.
14381 (adjust_field_tree_def): Likewise.
14382 (note_yacc_type): Remove an unnecessary call to find_structure.
14383 * gengtype.h (new_structure): Return the structure.
14384 (create_option): Add an extra argument.
14385 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14386 (option): Adjust calls to create_option.
14388 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14390 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14392 2006-01-22 Paul Brook <paul@codesourcery.com>
14393 Peter Barada <peter@the-baradas.com>
14395 * config/m68k/m68k.md: Add Coldfire FPU support.
14396 Define FP mode macro and associated attributes.
14397 Use it for float mode patterns.
14398 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14399 (LIBCALL_VALUE): Use m68k_libcall_value.
14400 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14401 (m68k_function_value): Ditto.
14402 (emit_move_sequence): Ditto.
14403 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14404 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14405 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14406 (MULTILIB_EXCEPTIONS): Ditto.
14407 * config/m68k/m68k.opt: Add mcfv4e.
14408 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14409 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14410 (m68k_output_function_prologue): Save ColdFire FPU registers.
14411 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14412 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14413 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14414 ColdFire FPU registers.
14415 (m68k_libcall_value, m68k_function_value): New functions.
14416 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14417 (LIBCALL_VALUE): Use m68k_libcall_value.
14418 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14419 (MASK_COLDFIRE): Add MASK_CFV4E.
14420 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14421 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14422 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14423 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14424 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14425 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14426 * doc/invoke.tex: Document -mcfv4e on m68k.
14428 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14430 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14433 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14436 * c-opts.c (c_common_handle_option): Don't include
14437 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14438 * doc/invoke.texi (C++ Dialect Options): Document that
14439 -Wnon-virtual-dtor is no longer included in -Wall.
14441 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14443 * gcov.c (print_version), gcov-dump.c (print_version),
14444 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14447 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14449 * df-scan.c (problem_SCAN): Added NULL reset function.
14450 (df_scan_reset_blocks): Added code to call reset block function
14451 (df_bb_refs_delete) Fixed comment.
14452 (df_insn_refs_delete): Made tolerant of deleting non existent info
14453 for dataflow problems that need to be reset.
14454 * df-core.c (df_set_blocks): Ditto.
14455 * df.h (struct df_problem): Added reset_fun.
14456 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14457 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14458 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14459 functions to clear out all references to def-use or use-def chains.
14461 2006-01-21 Ben Elliston <bje@au.ibm.com>
14463 * varasm.c (assemble_real): Initialise data array.
14465 2006-01-20 Paul Brook <paul@codesourcery.com>
14467 Merge from csl-arm-branch.
14468 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14469 * config/arm/arm.md (movdi): Force operands[1] to a register
14470 if we have a non-register source.
14471 (*arm_movdi, *movdf_soft_insn): Require that one of the
14472 operands be a register.
14473 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14474 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14476 2006-01-20 DJ Delorie <dj@redhat.com>
14478 * varasm.c (initializer_constant_valid_p): Allow pointers
14479 initialized from integer constants of lesser precision.
14480 (output_constant): Allow non-int-sized pointer modes to be
14481 initialized from integer constants.
14483 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14486 * cppdefault.h (struct default_include): Add multilib flag.
14487 * cppdefault.c (cpp_include_defaults): Set it.
14488 * c.opt (-imultilib): New option.
14489 * c-opts.c (imultilib): New.
14490 (c_common_handle_option): Handle -imultilib.
14491 (c_common_post_options): Likewise.
14492 * c-incpath.c (add_standard_paths, register_include_chains):
14494 * c-incpath.h (register_include_chains): Add extra parameter.
14495 * gcc.c (do_spec_1): Generate -imultilib option.
14496 (The Specs Language): Update %I description.
14497 (process_command): Update copyright notice.
14498 * doc/cppopts.texi (-imultilib): Document.
14499 * doc/invoke.texi (-imultilib): Include in option summary.
14500 (%I): Update specs documentation.
14502 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14504 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14506 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14508 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14511 2006-01-20 Richard Guenther <rguenther@suse.de>
14512 Steven Bosscher <stevenb.gcc@gmail.com>
14514 PR rtl-optimization/24626
14515 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14516 EDGE_TRUE_VALUE if in RTL mode.
14519 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14520 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14522 2006-01-20 Dirk Mueller <dmueller@suse.com>
14525 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14526 instead of a special NOP marker.
14527 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14528 NOP marker handling.
14529 * c-common.h (empty_body_warning): Add forward declaration.
14530 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14531 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14533 2006-01-20 Paul Brook <paul@codesourcery.com>
14535 * Makefile.in (lang_checks): Keep going if mkdir fails.
14537 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14539 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14540 be able to clean out basic block when not necessary.
14541 (df_scan_free): Fixed to properly delete information if df is
14542 unused before calling df_finish.
14543 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14544 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14546 (df_bb_refs_delete): New function.
14547 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14548 * df-core.c (df_set_blocks): Added code to properly clean out
14549 unused blocks if they are not part of the blocks to consider.
14550 Added additional null check.
14551 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14552 be able to clean out basic block when not necessary
14553 * df.h (df_free_bb_function): Ditto.
14554 (df_bb_refs_delete): New function.
14555 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14556 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14557 basic block parameter to be able to clean out basic block when not
14559 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14560 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14561 Fixed to properly delete information if df is unused before
14564 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14566 PR rtl-optimization/25799
14567 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14568 Corrected confluence operator to remove bits from op2 before oring
14569 with op1 rather than removing bits from op1.
14570 (df_ru_transfer_function): Corrected test on wrong bitmap which
14571 caused infinite loop. Both of these problems were introduced in
14572 the dataflow rewrite.
14574 2006-01-19 DJ Delorie <dj@redhat.com>
14576 * reload1.c (find_reload_regs): Note the details of reload
14577 failures in the dump file.
14578 (spill_failure): Likewise.
14580 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14582 * loop-iv.c: Include df.h and hashtab.h.
14583 (enum iv_grd_result): New enum.
14584 (DF_REF_IV, DF_REF_IV_SET): New macros.
14585 (struct biv_entry): New.
14586 (df, bivs): New global variables.
14587 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14588 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14590 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14591 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14592 analyzed_for_bivness_p, record_biv): New functions.
14593 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14594 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14595 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14597 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14599 (iv_number_of_iterations): Use new interface to iv analysis.
14600 * loop-unroll.c: Do not include varray.h.
14601 (analyze_iv_to_split_insn): Use new interface to iv
14603 * loop-unswitch.c (may_unswitch_on): Ditto.
14604 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14606 (df_bb_modify): Realloc tables to the new index.
14607 (df_find_use): New function.
14608 * df.h (df_find_use): Declare.
14609 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14611 * cfgloop.h (struct rtx_iv): Remove analysed field.
14612 (iv_get_reaching_def): Removed.
14613 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14614 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14615 (loop-iv.o): Add df.h and hashtab.h dependency.
14616 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14618 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14621 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14623 (__floatundisf, __floatundidf): Likewise.
14624 * libgcc2.h (IS_IBM_EXTENDED): Define.
14626 2006-01-19 DJ Delorie <dj@redhat.com>
14628 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14630 2006-01-19 Paul Brook <paul@codesourcery.com>
14632 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14633 as nothrow when unwinding tables are disabled.
14635 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14638 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14639 of bit-field" when in system header.
14641 2006-01-19 DJ Delorie <dj@redhat.com>
14643 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14644 the 16 bit shift limit of the m16c.
14646 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14649 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14650 * config/i386/i386.c (output_set_got): Output the label if we have one
14651 for the TARGET_DEEP_BRANCH_PREDICTION case.
14653 2006-01-19 Jan Hubicka <jh@suse.cz>
14654 H.J. Lu <hongjiu.lu@intel.com>
14655 Evandro Menezes <evandro.menezes@amd.com>
14657 * invoke.texi (generic): Document
14659 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14660 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14661 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14662 (x86_use_incdec, x86_pad_returns): New variables
14663 (TARGET_CPU_DEFAULT_generic): New constant
14664 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14665 (enum processor_type): Add generic32 and generic64.
14666 * i386.md (cpu attribute): Add generic32/generic64
14667 (movhi splitter): Behave sanely when both partial_reg_dependency and
14668 partial_reg_stall are set.
14669 (K8 splitters): Enable for generic as well.
14670 * predicates.md (incdec_operand): Use TARGET_INCDEC
14671 (aligned_operand): Avoid memory mismatch stalls.
14672 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14673 * ppro.md: Enable for generic32
14674 * i386.c (generic64_cost, generic32_cost): New.
14675 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14676 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14677 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14678 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14679 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14680 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14681 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14682 x86_accumulate_outgoing_args, x86_prologue_using_move,
14683 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14684 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14685 Enable for generic.
14686 (x86_use_incdec, x86_pad_returns): New.
14687 (override_options): Add generic32 and generic64, translate "generic"
14688 to generic32/generic64 and "i686" to "generic32", refuse
14689 "generic32"/"generic64" as arch target.
14690 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14691 (ix86_reorg): Honor PAD_RETURNS.
14693 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14695 * tree-pretty-print.c (dump_generic_node): Handle
14696 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14697 * cgraph.c (cgraph_expand_queue): Rename from
14698 cgraph_analyze_queue. Update all users.
14699 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14700 cgraph_expand_queue.
14701 (cgraph_expand_all_functions): Likewise.
14702 (cgraph_finalize_pending_functions): Remove. Update callers.
14704 * tree.h (OMP_DIRECTIVE_P): Define.
14705 (OMP_PARALLEL_FN): Define.
14706 (OMP_PARALLEL_DATA_ARG): Define.
14707 (OMP_SECTIONS_SECTIONS): Define.
14708 * tree-pass.h (pass_expand_omp): Declare.
14709 * omp-low.c (struct omp_region): Declare.
14710 (struct omp_context): Remove fields 'parallel_type',
14711 'parallel_start_ix' and 'parallel_start_additional_args'.
14713 (struct omp_for_data): Rename from struct expand_omp_for_data.
14714 (omp_regions): New static variable.
14715 (root_omp_region): New static variable.
14716 (find_omp_clause): Make static.
14717 (is_in_combined_parallel_ctx): Remove.
14718 (is_combined_parallel): New.
14719 (extract_omp_for_data): Move earlier in the file.
14720 (workshare_safe_to_combine_p): New.
14721 (get_ws_args_for): New.
14722 (determine_parallel_type): Move earlier in the file.
14723 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14725 (omp_copy_decl): Likewise.
14726 (create_omp_child_function): Likewise.
14727 (lookup_omp_region): New.
14728 (dump_omp_region): New.
14729 (debug_omp_region): New.
14730 (debug_all_omp_regions): New.
14731 (new_omp_region): New.
14732 (scan_omp_parallel): If parallel_nesting_level > 1, the
14733 directive is nested within another parallel directive.
14734 Set OMP_PARALLEL_FN.
14735 (scan_omp_for): Do not try to handle combined parallel+for
14737 Remove FIXME comment.
14738 (scan_omp_nested): Remove.
14739 (scan_omp_1): Do not call scan_omp_nested when
14740 parallel_nesting_level is > 1.
14741 Do not change the DECL_CONTEXT of local variables found.
14742 (lookup_decl_in_outer_ctx): New.
14743 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14744 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14745 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14746 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14747 If CTX is nested, lookup VAR in the outer context when
14748 building copy assignment.
14749 (lower_send_clauses): Rename from expand_send_clauses.
14750 If CTX is nested, lookup VAR in the outer context when
14751 building copy assignments.
14752 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14753 If CTX is nested, lookup VAR in the outer context when
14754 building copy assignments.
14755 (expand_parallel_call): Rename from build_parallel_call.
14756 Handle combined parallel+workshare cases.
14757 Re-implement to emit code into the CFG.
14759 (expand_omp_parallel): Re-implement to emit code into the CFG.
14760 Call move_sese_region_to_fn to outline the sub-graph
14761 containing the parallel region.
14762 (expand_omp_for_1): Remove.
14763 (expand_omp_for_generic): Re-implement to emit code into the
14765 (expand_omp_for_static_nochunk): Likewise.
14766 (expand_omp_for_static_chunk): Likewise.
14767 (expand_omp_for): Likewise.
14768 (expand_omp_sections): Likewise.
14769 (remove_exit_barriers): New.
14770 (expand_omp_synch): New.
14772 (build_omp_regions_1): New.
14773 (build_omp_regions): New.
14774 (execute_expand_omp): New.
14775 (gate_expand_omp): New.
14776 (pass_expand_omp): Define.
14777 (lower_omp_sections): Rename from expand_omp_sections.
14778 Set OMP_SECTIONS_SECTIONS.
14779 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14780 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14781 (lower_omp_single): Rename from expand_omp_simple.
14782 (lower_omp_master): Rename from expand_omp_master.
14783 (lower_omp_ordered): Rename from expand_omp_ordered.
14784 (lower_omp_critical): Rename from expand_omp_critical.
14785 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14786 (lower_omp_for): Re-implement.
14787 (lower_omp_parallel): Re-implement.
14788 (lower_regimplify): Rename from expand_regimplify.
14789 (lower_omp_1): Rename from expand_omp_1.
14790 If there are syntax errors in the program, replace every
14791 OpenMP directive with NOP.
14792 Call lower_omp_* instead of expand_omp_*.
14793 (lower_omp): Rename from expand_omp.
14795 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14796 * tree-gimple.h (enum omp_parallel_type): Remove.
14797 (gimple_boolify): Declare extern.
14798 (find_omp_clause, determine_parallel_type): Remove.
14800 * gimple-low.c (lower_omp_directive): New.
14801 (lower_stmt): Call it.
14802 (record_vars_into): Move from ...
14803 (record_vars): ... here.
14804 Call record_vars_into with current_function_decl.
14806 * gimplify.c (struct gimplify_ctx): Remove fields
14807 combined_pre_p and combined_ctxp. Update users.
14808 (get_formal_tmp_var): Add documentation.
14809 (gimple_boolify): Make extern.
14810 (gimplify_expr_in_ctx): Remove. Update callers.
14811 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14812 will always be a BIND_EXPR.
14813 (gimplify_expr): Handle OMP_RETURN_EXPR.
14814 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14815 (OMP_PARALLEL): Add 3 operands.
14816 (OMP_SECTIONS): Add 1 operand.
14817 (OMP_RETURN_EXPR): Define.
14819 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14820 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14821 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14822 creating a circular free list.
14823 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14825 * tree-flow.h (move_sese_region_to_fn): Declare.
14826 (record_vars_into): Declare.
14827 * tree-cfg.c (make_omp_sections_edges): New.
14828 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14829 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14830 OMP_SECTIONS and OMP_SECTION.
14831 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14832 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14833 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14834 (gather_blocks_in_sese_region): New.
14835 (struct move_stmt_d): Declare.
14836 (move_stmt_r): New.
14837 (move_block_to_fn): New.
14838 (move_sese_region_to_fn): New.
14840 * passes.c (init_optimization_passes): Schedule
14841 pass_expand_omp after pass_init_datastructures.
14843 * tree-ssa-operands.c (get_expr_operands): Handle
14844 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14845 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14847 2006-01-19 Jeff Law <law@redhat.com>
14849 * tree-vrp.c (extract_range_from_assert): Refine the result range
14850 if the variable referenced by the ASSERT_EXPR has a range and
14851 either the tentative result range or the previous range is a
14854 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14856 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14858 2006-01-19 Jan Hubicka <jh@suse.cz>
14860 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14862 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14864 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14865 (expand_compound_operation, expand_field_assignment): Fail if the
14866 bit lengths of an extract operation are out of range.
14867 (make_extraction): Compute wanted_inner_mode based on the position
14868 and length of the extraction. Make it extraction_mode for non-constant
14869 positions, and do not modify offset in that case. When generating a
14870 new MEM, use a mode that can hold the extraction while keeping correct
14871 alignment. Remove code that supported MEMs wrapped by USEs.
14872 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14874 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14876 * config/s390/s390.md ("Y", "y"): New mode attribute.
14877 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14878 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14879 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14880 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14881 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14882 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14883 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14884 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14885 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14886 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14887 "addsi3", "subsi3"): Insn patterns removed.
14888 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14889 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14890 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14891 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14892 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14893 "*sub<mode>3_cconly2"): New insn patterns.
14894 ("addsi3", "subsi3"): New expanders.
14896 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14898 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14899 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14900 existing STMT_VINFO_VECTYPE if available.
14901 (vect_mark_relevant): Add special handling for stmts that are
14902 marked as STMT_VINFO_IN_PATTERN_P.
14903 (vect_analyze_loop): Call vect_pattern_recog.
14904 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14905 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14907 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14908 (vect_recog_func_ptr): New function-pointer type.
14909 * tree-vect-patterns.c: New file.
14910 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14911 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14912 (vect_pattern_recog_1): New functions.
14913 (vect_pattern_recog_funcs): New array of function pointers.
14915 * tree-vectorizer.h (ternary_op): New enum value.
14916 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14917 declaration. Revised documentation. Removed redundant dump prints.
14918 Removed redundant argument. Added support for reduction patterns.
14919 (vectorizable_reduction): Added support for reduction patterns.
14920 (vect_transform_stmt): Added support for patterns.
14922 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14923 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14924 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14925 (expand_widen_pattern_expr): New function.
14926 (init_optabs): Initialize new optabs udot_prod_optab,
14928 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14929 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14930 (expand_widen_pattern_expr): New function declaration.
14931 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14933 * tree-inline.c (estimate_num_insns_1): Added cases for new
14934 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14935 * tree-pretty-print.c (dump_generic_node): Likewise.
14936 (op_prio): Likewise.
14937 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14938 * tree-ssa-operands.c (get_expr_operands): Added case for
14940 * tree-vect-patterns.c (widened_name_p): New function.
14941 (vect_recog_dot_prod_pattern): Added function implementation.
14942 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14943 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14944 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14945 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14947 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14948 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14949 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14950 (init_optabs): Initialize new optabs widen_ssum_optab,
14952 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14953 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14954 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14955 use instead of type of def.
14956 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14957 function implementation.
14958 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14959 widen_ssumv8hi): New.
14961 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14964 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14967 * c-decl.c (add_flexible_array_elts_to_size): New function.
14968 (finish_decl): Use it.
14970 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14972 * diagnostic.h: Include options.h.
14973 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14974 dependancies for diagnostic.h.
14975 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14977 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14979 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14980 (ssa_ro_call_cache_valid): Ditto.
14981 * tree-ssa-alias.c (sort_tags_by_id): New function.
14982 (init_transitive_clobber_worklist): Ditto.
14983 (add_to_worklist): Ditto.
14984 (mark_aliases_call_clobbered): Ditto.
14985 (compute_tag_properties): Ditto.
14986 (set_initial_properties): Ditto.
14987 (compute_call_clobbered): Ditto.
14988 (compute_may_aliases): Call compute_call_clobbered and grouping.
14989 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14990 (compute_flow_insensitive_aliasing): Grouping now happens in our
14992 (setup_pointers_and_addressables): Remove clobbering related code.
14993 (add_may_alias): Ditto.
14994 (replace_may_alias): Ditto.
14995 (get_nmt_for): Ditto.
14996 (create_global_var):
14997 (is_escape_site): Return an escape_type enumeration.
14998 * tree-flow-inline.h (is_call_clobbered): Global var does not
14999 imply call clobbered.
15000 (mark_call_clobbered): Take a reason for marking this. Remove
15001 marking of globalness, and cache invalidation.
15002 (clear_call_clobbered): Remove cache invalidation code.
15003 * tree-dfa.c (dump_variable): If details is on, dump the reason
15005 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15007 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15008 (struct var_ann_d): Ditto.
15009 (enum escape_type): New.
15010 (mark_call_clobbered): Adjust prototype.
15011 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15012 are never call clobbered.
15013 Record reasons for escaping.
15014 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15015 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15016 (ssa_ro_call_cache_valid): Ditto.
15017 (clobbered_v_may_defs): Ditto.
15018 (clobbered_vuses): Ditto.
15019 (ro_call_vuses): Ditto.
15020 (clobber_stats): New.
15021 (init_ssa_operands): Zero out clobber stats.
15022 (fini_ssa_operands): Print out clobber stats.
15023 (get_call_expr_operands): Pass callee fndecl to
15024 add_call_read_ops).
15025 (add_call_clobber_ops): Remove use of cache.
15026 Add use of PURE_CONST information.
15027 (add_call_read_ops): Remove use of cache.
15028 Add use of static not_read information.
15030 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15032 Introduce TLS descriptors for i386 and x86_64.
15033 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15034 (TARGET_ANY_GNU_TLS): New macro.
15035 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15036 (struct machine_function): Add tls_descriptor_call_expanded_p.
15037 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15038 (ix86_current_function_calls_tls_descriptor): Likewise.
15039 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15040 (override_options): Introduce gnu2 tls dialect.
15041 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15043 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15045 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15046 (ix86_init_machine_status): Initialize new field.
15047 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15048 (ix86_tls_module_base): New.
15049 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15050 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15051 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15052 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15053 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15054 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15055 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15056 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15057 * config/i386/predicates.md (tls_modbase_operand): New.
15058 (tp_or_register_operand): New.
15060 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15062 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15063 (look_for_address_of): Ditto.
15064 (ipa_init): Walk the function decls.
15065 (static_execute): Don't set readonly on FUNCTION_DECL's.
15067 2006-01-18 Roger Sayle <roger@eyesopen.com>
15069 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15070 for shifts where the source and destination registers are different.
15072 2006-01-18 Paul Brook <paul@codesourcery.com>
15074 Merge from csl-arm-branch.
15075 2005-03-14 Julian Brown <julian@codesourcery.com>
15076 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15077 (aeabi_llsl): Likewise.
15078 (ashrdi3): Likewise.
15079 (aeabi_lasr): Likewise.
15080 (lshrdi3): Likewise.
15081 (aeabi_llsr): Likewise.
15082 2005-03-10 Julian Brown <julian@codesourcery.com>
15083 * config.gcc: Disable shared libgcc for SymbianOS.
15084 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15086 2006-01-18 DJ Delorie <dj@redhat.com>
15088 * c-pragma.c (handle_pragma_diagnostic): New.
15089 (init_pragma): Register it.
15090 * doc/extend.texi: Document it.
15092 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15093 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15094 (diagnostic_context): Add classify_diagnostic[].
15095 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15096 as errors if they're overridden to DK_WARNING.
15097 (diagnostic_initialize): Initialize classify_diagnostic[].
15098 (diagnostic_set_kind_override): New.
15099 (diagnostic_report_diagnostic): Check for kind changes.
15100 * opts.c (common_handle_option): Take lang_mask. Update callers.
15101 Handle OPT_Werror_.
15102 * common.opt (Werror=): New.
15103 * doc/invoke.texi: Document -Werror=*
15105 2006-01-18 Jeff Law <law@redhat.com>
15107 * tree-vrp.c (test_for_singularity): Correct test for new
15108 min limit. Use operand_equal_p rather than pointer equality
15109 for testing if new min/max values are equal.
15111 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15112 using range information until after propagation and folding.
15114 2006-01-18 Richard Henderson <rth@redhat.com>
15115 Aldy Hernandez <aldyh@redhat.com>
15116 Jakub Jelinek <jakub@redhat.com>
15117 Diego Novillo <dnovillo@redhat.com>
15119 * omp-low.c: New file.
15120 * c-omp.c: New file.
15122 2006-01-18 Richard Henderson <rth@redhat.com>
15123 Jakub Jelinek <jakub@redhat.com>
15124 Diego Novillo <dnovillo@redhat.com>
15126 * doc/invoke.texi: Document -fopenmp.
15127 * tree-dump.h (debug_function): Declare.
15128 * hooks.c (hook_bool_tree_bool_false): New function.
15129 (hook_tree_tree_null): Remove.
15130 (hook_tree_tree_tree_null): New.
15131 * hooks.h: Update to match.
15132 * tree-pretty-print.c (debug_tree_chain): New.
15133 (print_generic_expr): Handle TDF_CHAIN.
15134 (dump_generic_node): Handle BLOCK.
15135 Do not abort with incomplete SWITCH_EXPRs.
15136 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15137 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15138 print space after directive name.
15139 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15140 Handle OMP_MASTER and OMP_ORDERED.
15141 Handle printing of OMP_BODY just in one place, goto
15142 dump_omp_body in the rest of OMP_* nodes that have
15144 Don't handle clause nodes here. Update omp statements to
15145 use dump_omp_clauses.
15146 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15147 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15148 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15149 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15150 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15151 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15152 Adjust output for GOMP_PARALLEL.
15153 (dump_omp_clauses): New.
15154 (print_declaration): Dump DECL_VALUE_EXPR.
15155 (op_symbol_1): Split out of op_symbol.
15156 (dumping_stmts): Remove. Update all users.
15157 * cgraph.c (cgraph_analyze_queue): New.
15158 (cgraph_add_new_function): New.
15159 * cgraph.h (cgraph_analyze_queue): Declare.
15160 (cgraph_add_new_function): Declare.
15161 (cgraph_lower_function): Remove.
15162 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15163 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15164 and TYPE_P nodes in its default clause.
15165 (empty_body_p): New.
15166 (tree_range_check_failed): New.
15167 (build5_stat): New.
15168 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15169 OMP_CLAUSE_REDUCTION_MERGE,
15170 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15171 OMP_CLAUSE_PRIVATE_DEBUG,
15172 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15173 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15174 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15175 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15176 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15177 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15178 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15179 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15180 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15181 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15182 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15183 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15184 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15185 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15186 (TREE_RANGE_CHECK): New.
15187 (empty_body_p): Declare.
15188 (enum omp_clause_default_kind): New.
15189 (build_string_literal): Declare.
15190 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15191 (build5_stat, build5): Declare.
15192 * tree-pass.h (TDF_CHAIN): Define.
15193 * tree-pass.h (PROP_gimple_lomp): Define.
15194 (pass_lower_omp): Declare.
15195 * diagnostic.h (debug_tree_chain): Declare.
15196 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15198 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15199 * builtins.c (build_string_literal): Make extern.
15200 * gcc.c (include_spec_function): New.
15201 (static_spec_functions): Add it.
15202 (main): Move load of libgomp.spec ...
15203 (LINK_COMMAND_SPEC): ... here.
15204 (link_gomp_spec): New.
15205 (static_specs): Include it.
15206 (LINK_COMMAND_SPEC): Add link_gomp.
15207 (GOMP_SELF_SPECS): New.
15208 (driver_self_specs): Include it.
15209 (switch_matches): Don't mark inline.
15210 (main): Load libgomp.spec.
15211 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15212 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15213 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15214 * tree-gimple.h (enum omp_parallel): Declare.
15215 (determine_parallel_type): Declare.
15216 (omp_firstprivatize_variable): Declare.
15217 (omp_reduction_init): Declare.
15218 (diagnose_omp_structured_block_errors): Declare.
15219 (struct walk_stmt_info): Add want_return_expr.
15220 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15221 (find_omp_clause): Declare.
15222 (insert_field_into_struct): Declare.
15223 (struct walk_stmt_info): Move from tree-nested.c
15224 (walk_stmts): Declare.
15225 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15227 * cgraphunit.c (cgraph_lower_function): Make static.
15228 (cgraph_finalize_pending_functions): New.
15229 (cgraph_finalize_function): Call it.
15230 (cgraph_finalize_compilation_unit): Likewise.
15231 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15232 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15233 (BT_FN_UINT_UINT): New.
15234 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15235 DEF_FUNCTION_TYPE_VAR_4): Document.
15236 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15237 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15238 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15239 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15240 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15241 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15242 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15243 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15244 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15245 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15246 into separate files.
15247 (DEF_GOMP_BUILTIN): New.
15248 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15249 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15250 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15251 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15252 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15253 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15254 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15255 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15256 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15257 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15258 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15259 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15260 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15261 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15262 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15263 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15264 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15265 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15266 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15267 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15268 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15269 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15270 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15271 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15272 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15273 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15274 * sync-builtins.def: New file, moved from builtins.def.
15275 * omp-builtins.def: New file, moved from builtins.def.
15276 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15277 * gimple-low.c (lower_function_body): Clear data.
15278 (lower_stmt): Do not handle COMPOUND_EXPR.
15279 Remove call to print_node_brief.
15280 * c-tree.h (c_finish_omp_clauses): New prototype.
15281 (C_DECL_THREADPRIVATE_P): Define.
15282 (lookup_name_no_remap, c_omp_remap_private): Remove
15283 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15284 (check_for_loop_decls): Update decl.
15285 (lookup_name_no_remap, c_omp_remap_private): Declare.
15286 (build_indirect_ref, build_modify_expr, pushdecl,
15287 pushdecl_top_level): Move to c-common.h.
15288 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15289 before the switch, but just in the 2 places that need it.
15290 * c-decl.c (diagnose_mismatched_decls): Do not check for
15291 mismatched thread-local attributes when OLDDECL is marked
15292 threadprivate and NEWDECL has no thread-local attributes.
15293 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15294 (c_gimple_diagnostics_recursively): Rename from
15295 c_warn_unused_result_recursively. Invoke
15296 diagnose_omp_structured_block_errors.
15297 (check_for_loop_decls): Return a singular decl found.
15298 * langhooks.c (lhd_omp_predetermined_sharing): Return
15299 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15300 (lhd_omp_firstprivatize_type_sizes): New.
15301 (lhd_omp_assignment): New.
15302 (lhd_omp_predetermined_sharing): New.
15303 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15304 (struct lang_hooks_for_types): Add
15305 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15306 omp_predetermined_sharing, omp_disregard_value_expr,
15307 omp_private_debug_clause, omp_clause_default_ctor,
15308 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15309 (c_finish_omp_clauses): New.
15310 (c_finish_bc_stmt): Diagnose break within omp for.
15311 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15312 (build_unary_op): Return error_mark after reporting
15314 (build_modify_expr): Likewise.
15315 * gimplify.c: Include optabs.h and pointer-set.h.
15316 (enum gimplify_omp_var_data): Declare.
15317 (struct gimplify_omp_ctx): Declare.
15318 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15320 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15321 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15322 (splay_tree_compare_decl_uid): New.
15323 (new_omp_context): New.
15324 (delete_omp_context): New.
15325 (gimple_add_tmp_var): Call omp_add_variable.
15326 (gimplify_bind_expr): Likewise.
15327 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15328 true, disregard DECL_VALUE_EXPR on the decl if any.
15329 (gimplify_expr_in_ctx): New.
15330 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15331 omp_add_variable, omp_notice_variable, omp_is_private
15332 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15333 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15334 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15335 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15336 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15337 gimplify_omp_atomic): New.
15338 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15339 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15340 OMP_CRITICAL and OMP_ATOMIC.
15341 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15342 * c-pragma.h (enum pragma_kind): Add
15343 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15344 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15345 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15346 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15347 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15348 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15349 PRAGMA_OMP_THREADPRIVATE.
15350 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15351 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15352 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15353 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15354 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15355 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15356 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15357 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15358 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15359 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15360 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15361 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15362 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15364 (struct nesting_info): Add field_map,
15365 suppress_expansion, debug_var_chain.
15366 (create_nesting_tree): Initialize them.
15367 (lookup_field_for_decl): Use field_map.
15368 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15369 (convert_local_omp_clauses): New.
15370 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15371 (walk_body): Split out of walk_function.
15372 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15373 (convert_nonlocal_reference): Handle omp statements.
15374 (convert_local_reference): Likewise.
15375 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15376 (unnest_nesting_tree): New.
15377 (lower_nested_functions): Call it.
15378 (insert_field_into_struct): Make extern.
15379 (struct walk_stmt_info): Move to tree-gimple.h.
15380 (walk_stmts): Make extern.
15381 * omp-builtins.def: New file.
15382 * tree-iterator.c (expr_only): Clarify comment.
15383 * c-common.h (pushdecl_top_level, pushdecl,
15384 build_modify_expr, build_indirect_ref,
15385 c_finish_omp_master, c_finish_omp_critical,
15386 c_finish_omp_ordered, c_finish_omp_barrier,
15387 c_finish_omp_atomic, c_finish_omp_flush,
15388 c_finish_omp_for, c_split_parallel_clauses,
15389 omp_clause_default_kind, c_omp_sharing_predetermined,
15390 c_omp_remap_decl): Declare.
15391 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15392 (OBJS-common): Add omp-low.o.
15393 (c-omp.o, omp-low.o): Add.
15394 (gimplify.o): Add dependency on $(OPTABS_H).
15395 (GTFILES): Add omp-low.c.
15396 (gt-stringpool.h): Add.
15397 * tree-cfg.c (set_bb_for_stmt): Do not update the
15398 block-to-labels map if we are currently expanding to RTL.
15399 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15401 Handle IDENTIFIER_NODE.
15402 (tree_verify_flow_info): Do not ICE when emitting error
15403 messages about invalid labels.
15404 (dump_function_to_file): Reset CFUN before emitting the body
15406 (debug_function): New.
15407 * passes.c (init_optimization_passes): Schedule
15409 * langhooks-def.h (lhd_omp_predetermined_sharing,
15410 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15412 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15413 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15414 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15415 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15416 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15417 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15418 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15419 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15420 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15421 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15422 (LANG_HOOK_DECLS): Use them.
15424 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15425 Richard Henderson <rth@redhat.com>
15426 Jakub Jelinek <jakub@redhat.com>
15427 Diego Novillo <dnovillo@redhat.com>
15429 * c-parser.c (pragma_omp_clause): Define.
15430 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15431 (c_parser_compound_statement): Likewise.
15432 (c_parser_statement): Likewise.
15433 (c_parser_pragma): Handle omp pragmas.
15434 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15435 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15436 (c_parser_omp_clause_name, check_no_duplicate_clause,
15437 c_parser_omp_variable_list,
15438 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15439 c_parser_omp_clause_copyprivate,
15440 c_parser_omp_clause_default,
15441 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15442 c_parser_omp_clause_lastprivate,
15443 c_parser_omp_clause_nowait,
15444 c_parser_omp_clause_num_threads,
15445 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15446 c_parser_omp_clause_reduction,
15447 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15448 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15449 c_parser_omp_atomic, c_parser_omp_barrier,
15450 c_parser_omp_critical, c_parser_omp_flush,
15451 c_parser_omp_for_loop, c_parser_omp_for,
15452 c_parser_omp_master, c_parser_omp_ordered,
15453 c_parser_omp_sections_scope, c_parser_omp_sections,
15454 c_parser_omp_parallel, c_parser_omp_single,
15455 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15456 * c-pragma.c (init_pragma): Do omp pragma registration here.
15457 * c.opt (fopenmp): New flag.
15459 2006-01-18 Eric Christopher <echristo@apple.com>
15461 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15462 * config/darwin.h (GOMP_SELF_SPECS): Define.
15464 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15466 * rtl.h: Remove the prototype for reg_alloc.
15468 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15471 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15472 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15473 sjlj and dwarf2 exception handling.
15474 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15475 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15476 * pa/pa.c (function_value): Treat complex and vector types as
15478 (function_arg): Likewise. Only pass scalar floats in the floating
15479 point argument registers.
15480 * pa/t-slibgcc-dwarf-ver: New file.
15481 * pa/t-slibgcc-sjlj-ver: New file.
15482 * pa/t-slibgcc-elf-ver: Delete file.
15484 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15486 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15487 unlikely_test_section_p test.
15489 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15491 * mode-switching.c (optimize_mode_switching): Make it static.
15492 * basic-block.h: Remove the prototype for
15493 optimize_mode_switching.
15495 * modulo-sched.c (sms_schedule): Make it static.
15496 * rtl.h: Remove the prototype for sms_schedule.
15498 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15499 * rtl.h: Remove the prototype for gcse_after_reload_main.
15501 * reg-stack.c (reg_to_stack): Make it static.
15502 * rtl.h: Remove the prototype for reg_to_stack.
15504 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15506 * rtl.h: Remove the prototypes for regrename_optimize and
15507 copyprop_hardreg_forward.
15509 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15511 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15512 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15513 Test against the appropriate null constant for the mode.
15514 If 'fixup_overlap' is true, swap the operands if they overlap.
15515 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15516 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15517 alpha_split_tmode_pair and adjust for above change.
15518 * config/alpha/alpha.md (movtf_internal): Adjust call to
15519 alpha_split_tfmode_pair and rely on it to swap the operands.
15520 (movti_internal): New insn and post-reload splitter.
15521 (movti): New expander.
15523 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15525 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15528 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15530 * rtlanal.c (global_reg_mentioned_p_1,
15531 global_reg_mentioned_p): Remove.
15532 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15534 * flow.c (initialize_uninitialized_subregs): Make it static.
15535 * rtl.h: Remove the prototype for
15536 initialize_uninitialized_subregs.
15538 * function.c (instantiate_virtual_regs): Make it static.
15539 * function.h: Remove the prototype for
15540 instantiate_virtual_regs.
15542 * regmove.c (regmove_optimize, combine_stack_adjustments):
15544 * rtl.h: Remove the prototypes for regmove_optimize and
15545 combine_stack_adjustments.
15547 2006-01-17 Roger Sayle <roger@eyesopen.com>
15549 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15550 (size_cost): Encode costs in bytes so that a reg-reg addition is
15551 equivalent to COSTS_N_INSNS(1).
15552 (override_options): Use the size_cost.branch_cost as the default
15553 ix86_branch_cost when optimizing for size.
15555 2006-01-18 Ben Elliston <bje@au.ibm.com>
15557 * Makefile.in (D32PBIT_FUNCS): New.
15558 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15559 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15560 D64PBIT_FUNCS and D128PBIT_FUNCS.
15561 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15562 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15564 (decnumber_dep): Define.
15565 * doc/libgcc.texi (Decimal float library routines): New node.
15566 * config/dfp-bit.h, config/dfp-bit.c: New files.
15568 2006-01-18 Ben Elliston <bje@au.ibm.com>
15570 * expr.c (emit_move_change_mode): Always adjust addresses, not
15571 just during reload. Copy replacements only during reload.
15572 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15573 emit_move_via_integer.
15575 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15577 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15578 instead of $(srcdir) and ${srcdir}.
15580 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15583 PR middle-end/11135
15584 * arm.h (struct machine_function): Add pic_reg.
15585 * arm.c (arm_pic_register): Make unsigned.
15586 (arm_override_options): Only set arm_pic_register if
15587 TARGET_SINGLE_PIC_BASE.
15588 (use_return_insn): Only test for a pic register if it is fixed.
15589 (arm_compute_save_reg0_reg12_mask): Likewise.
15590 (thumb_compute_save_reg_mask): Likewise.
15591 (legitimate_pic_operand): Factor out some known invariants.
15592 (legitimize_pic_address): If we don't have a fixed pic register,
15593 then set up a pseudo in the function entry sequence. Handle the
15594 pic base being in a pseudo.
15595 (arm_load_pic_register): Handle the pic register being in a pseudo.
15596 (arm_expand_prologue): Only set up the pic register if it is fixed.
15597 (thumb_expand_prologue): Likewise.
15598 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15599 (pic_load_addr_based_insn): Likewise.
15600 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15603 2006-01-18 Ben Elliston <bje@au.ibm.com>
15605 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15606 decimal float modes for all floating point registers.
15608 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15609 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15611 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15614 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15615 even when the pointer is not NULL.
15617 2006-01-16 Ian Lance Taylor <ian@airs.com>
15619 * common.opt (ftoplevel-reorder): New option.
15620 * cgraph.c (cgraph_asm_nodes): New global variable.
15621 (cgraph_asm_last_node): New static variable.
15622 (cgraph_order): New global variable.
15623 (cgraph_create_node): Set new order field.
15624 (cgraph_varpool_node): Likewise.
15625 (decide_is_variable_needed): Return true if not
15626 flag_toplevel_reorder.
15627 (cgraph_add_asm_node): New function.
15628 * cgraph.h (struct cgraph_node): Add order field.
15629 (struct cgraph_varpool_node): Add order field.
15630 (struct cgraph_asm_node): Define.
15631 (cgraph_asm_nodes, cgraph_order): Declare.
15632 (cgraph_add_asm_node): Declare.
15633 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15635 (cgraph_varpool_assemble_pending_decls): Call it.
15636 (cgraph_output_pending_asms): New static function.
15637 (cgraph_finalize_compilation_unit): Call it.
15638 (struct cgraph_order_sort): Define.
15639 (cgraph_output_in_order): New static function.
15640 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15641 !flag_toplevel_reorder case.
15642 * c-parser.c: Include "cgraph.h".
15643 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15645 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15646 than -fno-unit-at-a-time.
15647 * doc/invoke.texi (Option Summary): Mention
15648 -fno-toplevel-reorder.
15649 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15650 -funit-at-a-time documentation.
15652 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15653 Kazu Hirata <kazu@codesourcery.com>
15655 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15657 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15659 * Makefile.in (FUNCTION_H): New. Use it instead of
15660 function.h throughout the file.
15661 * function.h: Include tree.h.
15663 2006-01-17 Ben Elliston <bje@au.ibm.com>
15665 * recog.c: Separate some functions with whitespace.
15667 2006-01-16 Richard Henderson <rth@redhat.com>
15669 Merge from gomp branch:
15670 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15671 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15672 and rename from struct inline_data. Rename callee* to dst*;
15673 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15674 transform_new_cfg, transform_return_to_modify, and
15675 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15677 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15678 (copy_decl_for_dup): Remove.
15679 * tree-inline.c (struct inline_data): Move to header.
15680 (insert_decl_map): Export.
15681 (remap_decl): Update for member name changes. Use copy_decl hook.
15682 Allow for replacement to be a non-decl. Remove dead code.
15683 (remap_type_1): Check for existing mapping.
15684 (remap_type): Export.
15685 (remap_decls): Update for member name changes.
15686 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15687 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15688 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15689 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15690 (tree_function_versioning, build_duplicate_type): Likewise.
15691 (copy_body_r): Likewise. Export.
15692 (copy_decl_for_dup): Split into ...
15693 (copy_decl_for_dup_finish, copy_decl_to_var,
15694 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15695 (replace_ref_tree, inlining_p): Remove.
15697 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15699 * ifcvt.c (if_convert): Make it static.
15700 * rtl.h: Remove the prototype for if_convert.
15702 * local-alloc.c (local_alloc): Make it static.
15703 * rtl.h: Remove the prototype for local_alloc.
15705 * loop.c (loop_optimize): Make it static.
15706 * cfgloop.h: Remove the prototype for loop_optimize.
15709 2006-01-16 DJ Delorie <dj@redhat.com>
15711 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15714 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15716 * pa.md: Disparage copies between general and floating-point registers
15717 in 32-bit move patterns.
15719 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15722 * Makefile.in (check-%): Depend on site.exp instead of
15723 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15726 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15728 * global.c (global_alloc): Make it static.
15729 * rtl.h: Remove the prototype for global_alloc.
15731 2006-01-16 Richard Guenther <rguenther@suse.de>
15733 * tree-ssa-alias.c (struct used_part): Add write_only field.
15734 (get_or_create_used_part_for): Initialize it to true.
15735 (create_overlap_variables_for): Don't create structure variables
15736 for structures that only are written to.
15737 (find_used_portions): Handle MODIFY_EXPR to track whether a
15738 structure is only written to.
15740 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15742 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15744 * basic-block.h: Remove the prototype for
15745 partition_hot_cold_basic_blocks.
15747 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15749 * cppspec.c (lang_specific_spec_functions): Remove.
15750 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15751 * gcc.h (lang_specific_spec_functions): Remove.
15752 * gccspec.c (lang_specific_spec_functions): Remove.
15754 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15756 * combine.c (record_value_for_reg): Invalidate registers
15758 (record_dead_and_set_regs_1): Likewise, by passing them to
15759 record_value_for_reg.
15760 (record_dead_and_set_regs): Invalidate stores made by a
15761 call. We do not combine across a call, but we still
15762 relied on equivalences.
15764 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15766 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15767 vrp_int_const_binop returning non-constant nodes.
15769 2006-01-16 Paul Brook <paul@codesourcery.com>
15771 * config/m68k/m68k.c (output_move_const_into_data_reg):
15772 Output correct mnemonic for mvz and mvs.
15774 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15776 * rtl-factoring.c: Add sequence abstraction algorithm.
15777 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15778 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15780 (block_has_preserve_label): New function.
15781 * common.opt: Register new pass.
15782 * Makefile.in: Ditto.
15784 * timevar.def: Ditto.
15785 * tree-pass.h: Ditto.
15786 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15787 * rtl.h (make_jump_insn_raw): Add forward decl.
15788 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15790 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15791 Roger Sayle <roger@eyesopen.com>
15793 * fold-const.c (fold_minmax): New static function.
15794 (fold_binary) <MIN_EXPR>: Call it.
15795 <MAX_EXPR>: Likewise.
15796 * stor-layout.c (place_field): Use DECL_SIZE consistently
15797 in the computation of the new record size.
15799 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15801 * cse.c (cse_condition_code_reg): Make it static.
15802 * rtl.h: Remove the prototype for cse_condition_code_reg.
15804 * combine.c (combine_instructions): Make it static.
15805 * rtl.h: Remove the prototype for combine_instructions.
15807 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15810 * tree.c (get_file_function_name_long): Concatenate the first global
15811 object name with a string derived from the input filename of the object
15814 2006-01-16 Ben Elliston <bje@au.ibm.com>
15816 * config/i386/winnt-stubs.c: Update FSF address.
15817 * config/xtensa/ieee754-df.S: Ditto.
15818 * config/xtensa/ieee754-sf.S: Ditto.
15820 2006-01-14 Ian Lance Taylor <ian@airs.com>
15822 * ifcvt.c (noce_init_if_info): New static function, broken out of
15823 noce_process_if_block.
15824 (noce_process_if_block): Call noce_init_if_info.
15825 (check_cond_move_block): New static function.
15826 (cond_move_process_if_block): New static function.
15827 (process_if_block): Call cond_move_process_if_block.
15829 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15831 * cselib.c (hash_table): Rename to cselib_hash_table.
15832 (cselib_clear_table, discard_useless_values,
15833 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15834 cselib_init, cselib_finish): Adjust uses of hash_table.
15836 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15838 PR tree-optimization/25485
15839 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15840 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15841 is known to be false and true, respectively.
15843 2006-01-14 Richard Guenther <rguenther@suse.de>
15845 PR tree-optimization/22548
15846 PR tree-optimization/22555
15847 PR tree-optimization/22501
15848 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15849 * params.def (salias-max-array-elements): New parameter.
15850 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15851 * doc/invoke.texi (salias-max-array-elements): Document.
15852 * tree-flow-inline.h (var_can_have_subvars): We also handle
15854 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15856 * tree-ssa-structalias.c (params.h): Include.
15857 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15858 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15859 (get_constraint_for): For ADDR_EXPR operating on something
15860 containing an ARRAY_REF, add all subvars to the solution.
15861 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15862 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15863 for creating MUST_DEFs.
15864 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15866 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15868 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15870 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15871 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15872 number_of_iterations_le): New functions.
15873 (number_of_iterations_special): Removed.
15874 (number_of_iterations_exit): Do not use number_of_iterations_special.
15875 * tree.c (unsigned_type_for): Always return integer type.
15877 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15878 Richard Guenther <rguenther@suse.de>
15880 PR rtl-optimization/24257
15881 * gcse.c (find_moveable_store): Only consider a store movable
15882 when the SET_SRC of the insn can be assigned to a register.
15884 2006-01-14 Ian Lance Taylor <ian@airs.com>
15886 * tree.c (tree_not_class_check_failed): New function.
15887 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15888 (tree_not_class_check_failed): Declare.
15890 2006-01-13 Ian Lance Taylor <ian@airs.com>
15892 * reload1.c (do_output_reload): Add assertion rejecting a
15895 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15897 * combine.c (struct reg_stat): Add new fields truncation_label and
15899 (record_value_for_reg): Reset truncated_to_mode.
15900 (record_truncated_value): New function.
15901 (check_promoted_subreg): Call it. Rename to check_conversions.
15902 (combine_instructions): Rename check_promoted_subreg to
15904 (reg_truncated_to_mode): New function.
15905 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15906 (gen_lowpart_or_truncate): New function.
15907 (force_to_mode): Use it instead of gen_lowpart.
15909 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15911 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15912 VAR is a tag, not its type tag.
15914 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15916 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15917 alternatives to match style of other entries.
15918 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15920 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15922 PR tree-optimization/25771
15923 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15926 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15929 * tree-inline.c (declare_return_variable): If the return variable
15930 was marked as a non gimple complex, set the return slot variable
15931 to be a non gimple comple variable.
15933 2006-01-13 Richard Guenther <rguenther@suse.de>
15935 * builtins.c (expand_builtin_sincos): New function.
15936 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15938 (expand_builtin): Expand sincos using expand_builtin_sincos.
15940 2006-01-12 DJ Delorie <dj@redhat.com>
15942 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15943 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15944 so that constant shifts can be split.
15945 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15946 (m32c_valid_pointer_mode): Make static.
15947 (shift_gen_func_for): New.
15948 (m32c_prepare_shift): Use it. Split large const shifts into
15950 * config/m32c/predicates.md (shiftcount_operand): Allow more
15952 (longshiftcount_operand): New.
15953 * doc/md.texi (Machine Constraints): Document In6.
15955 2006-01-13 Ben Elliston <bje@au.ibm.com>
15957 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15958 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15961 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15963 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15964 to try to avoid clobbering pieces of structures when we know
15965 something about the whole structure.
15966 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15968 2006-01-13 Ben Elliston <bje@au.ibm.com>
15970 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15971 return in memory, as this is no limitation is no longer present.
15973 2006-01-12 DJ Delorie <dj@redhat.com>
15975 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15976 mova with fb, and for fb+0 -> An.
15978 * config/m32c/mov.md (peephole2): Fix enabling logic.
15980 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15981 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15982 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15983 FINI_ARRAY_SECTION_ASM_OP): Define.
15985 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15987 (m32c_legitimize_reload_address): New logic to reload FB to An.
15988 (m32c_output_reg_push): Add newline.
15989 (m32c_output_reg_pop): Likewise.
15991 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15993 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15995 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15997 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15999 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16001 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16004 2006-01-11 Ben Elliston <bje@au.ibm.com>
16006 * rtlanal.c (find_reg_note): Assert insn is not null.
16008 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16010 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16013 2006-01-11 Jeff Law <law@redhat.com>
16015 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16017 (mark_threaded_blocks, register_jump_thread): New functions.
16018 (thread_through_all_blocks): Remove unwanted argument. No
16019 longer rely on e->aux to communicate thread target info.
16020 Call mark_threaded_blocks. Release the threaded_blocks
16021 bitmap and threaded_edges vector when complete.
16022 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16023 (threaded_blocks): Remove.
16024 (tree_ssa_dominator_optimize): Remove initialization and
16025 finalization of threaded_blocks. Simplify call to
16026 thread_through_all_blocks.
16027 (thread_across_edge): Call register_jump_thread rather than
16028 storing thread information into e->aux.
16029 (free_all_edge_infos): Simplify now that e->aux is no longer
16030 used to communicate with thread_through_all_blocks.
16031 * tree-flow.h (thread_through_all_blocks): Update prototype.
16032 (register_jump_thread): Prototype.
16034 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16036 * df-core.c (df_compact_blocks, df_bb_replace): Use
16037 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16039 2006-01-11 Richard Guenther <rguenther@suse.de>
16041 PR tree-optimization/25734
16042 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16043 stop propagation after successful propagation to the LHS.
16045 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16047 * basic-block.h (control_flow_graph): Change the type of
16048 x_basic_block_info to VEC(basic_block,gc) *.
16049 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16051 (SET_BASIC_BLOCK): New.
16052 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16053 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16054 * cfgbuild.c (find_basic_blocks): Likewise.
16055 * cfglayout.c (fixup_reorder_chain): Likewise.
16056 * cfgrtl.c (create_basic_block_structure,
16057 rtl_create_basic_block): Likewise.
16058 * ifcvt.c (find_if_case_1): Likewise.
16059 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16062 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16064 * Makefile.in: Removed rotted odf.c entry.
16066 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16069 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16070 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16071 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16072 output pattern modifier, not %e.
16073 * config/cris/cris.c (cris_op_str): Update comment about pattern
16075 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16076 before falling through into...
16077 <case 'E'>: Redefined from old 'e' case.
16079 2006-01-11 Jan Hubicka <jh@suse.cz>
16082 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16084 2006-01-11 Jan Hubicka <jh@suse.cz>
16086 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16087 * i386.c (x86_decompose_lea): Kill.
16088 (ix86_rtx_costs): Kill.
16090 2006-01-11 Jan Hubicka <jh@suse.cz>
16092 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16093 * cgraph.h (cgraph_node): Add inline_decl.
16094 (cgraph_insert_node_to_hashtable): Declare.
16095 (save_inline_function_body): Declare.
16096 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16098 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16099 (cgraph_function_versioning): Update call of tree_function_versioning.
16100 (save_inline_function_body): New function.
16101 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16102 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16103 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16104 (cgraph_default_inline_p): Likewise.
16105 (cgraph_decide_inlining_incrementally): Likewise.
16106 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16107 (copy_bb): Kill saving; do updating of clones.
16108 (copy_cfg_body): Kill saving.
16109 (initialize_inlined-parameters): Likewise.
16110 (expand_call_inline): Likewise.
16112 (tree_function_versioning): New parameter "update_clones".
16113 (inlining_p): Kill saving.
16114 * tree-inline.h (tree_function_versioning): Update prototype.
16115 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16118 2006-01-11 Ian Lance Taylor <ian@airs.com>
16120 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16121 Allow undoing set of machine mode.
16122 (do_SUBST): Use enums instead of is_int.
16123 (do_SUBST_MODE): New function.
16124 (SUBST_MODE): New macro.
16125 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16126 reg and trying to replace reg_regno_rtx with a new register.
16127 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16128 (simplify_set): Use SUBST_MODE.
16129 (distribute_notes): Remove code that tried to update reg notes
16130 for regno_reg_rtx changes.
16132 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16134 PR tree-optimization/23109
16135 PR tree-optimization/23948
16136 PR tree-optimization/24123
16138 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16139 * tree-cfg.c (single_noncomplex_succ): New.
16140 * tree-flow.h (single_noncomplex_succ): Declare it.
16141 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16142 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16143 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16144 insert_bb, register_division_in, insert_reciprocals,
16145 replace_reciprocal, free_bb): New.
16146 (execute_cse_reciprocals_1): Rewritten.
16147 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16148 Do not commit any edge insertion. Always compute dominators and
16149 create the allocation pool.
16150 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16151 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16152 * targhooks.c (default_min_divistions_for_recip_mul): New.
16153 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16154 * passes.c (init_optimization_passes): Run recip after tree loop
16156 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16158 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16159 Kenneth Zadeck <zadeck@naturalbridge.com>
16161 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16162 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16163 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16164 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16165 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16166 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16167 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16168 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16169 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16170 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16171 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16172 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16173 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16174 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16175 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16176 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16177 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16178 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16179 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16180 DF_SCAN_POST_ALLOC): New macros.
16181 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16182 df_free_bb_function, df_local_compute_function, df_init_function,
16183 df_dataflow_function, df_confluence_function_0,
16184 df_confluence_function_n, df_transfer_function,
16185 df_finalizer_function, df_free_function, df_dump_problem_function,
16186 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16187 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16188 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16189 df_urec_bb_info, ) New types.
16190 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16192 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16193 df_analyze_simple_change_some_blocks,
16194 df_analyze_simple_change_one_block, df_compact_blocks,
16195 df_bb_replace, df_bb_regno_last_use_find,
16196 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16197 df_insn_regno_def_p, df_find_def, df_find_use,
16198 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16199 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16200 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16201 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16202 debug_df_chain, df_get_dependent_problem, df_chain_create,
16203 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16204 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16205 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16206 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16207 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16208 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16209 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16210 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16211 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16212 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16213 df_reorganize_refs, df_set_state, df_hard_reg_init,
16214 df_read_modify_subreg_p) New public functions.
16215 * df-core.c: The core dataflow solver and glue routines for rtl
16217 (df_init, df_add_problem, df_set_blocks, df_finish,
16218 df_hybrid_search_forward, df_hybrid_search_backward,
16219 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16220 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16221 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16222 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16223 df_reg_defined, df_find_use, df_reg_used, df_dump,
16224 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16225 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16226 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16227 debug_df_useno, reset_df_after_reload): New functions.
16228 * df-scan.c: The scanning fuctions, once in df.c, completely
16229 rewritten so that they now fully model the functionality of
16230 register usage at the backend.
16231 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16232 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16233 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16234 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16235 df_get_artificial_defs, df_get_artificial_uses,
16236 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16237 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16238 df_refs_delete, df_reorganize_refs, df_set_state,
16239 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16240 df_def_record_1, df_defs_record, df_uses_record,
16241 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16242 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16243 df_record_exit_block_uses, df_hard_reg_init): New functions.
16245 * df-problems.c: Seven concrete dataflow problems that use the
16246 scanning in df-scan.c and are solved by the engine in df-core.c.
16247 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16248 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16249 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16250 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16251 df_ru_free_bb_info, df_ru_alloc,
16252 df_ru_bb_local_compute_process_def,
16253 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16254 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16255 df_ru_transfer_function, df_ru_free, df_ru_dump,
16256 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16257 df_rd_free_bb_info, df_rd_alloc,
16258 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16259 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16260 df_rd_transfer_function, df_rd_free, df_rd_dump,
16261 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16262 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16263 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16264 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16265 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16266 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16267 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16268 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16269 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16270 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16271 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16272 df_urec_mark_reg_use_for_earlyclobber,
16273 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16274 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16275 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16276 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16277 df_chain_create_bb_process_use, df_chain_create_bb,
16278 df_chain_finalize, df_chain_free, df_chains_dump,
16279 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16280 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16281 df_reg_lifetime): New functions.
16282 * df.c: Deleted file.
16283 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16284 consistent with new df api.
16285 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16286 rest_of_handle_sms): Ditto.
16287 * web.c (unionfind_union, union_defs, entry_register, web_main):
16289 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16290 invariant_expr_equal_p, find_defs, check_dependencies,
16291 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16292 free_inv_motion_data, move_loop_invariants): Ditto.
16293 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16294 Update dependencies.
16295 (odf.c): Added defective entry that was deleted later in day.
16296 * sched-deps.c (sched_analyze_1): Ditto.
16298 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16300 * tree-ssa-operands.c (get_expr_operands): Record addressable
16301 variables directly. Do not call add_stmt_operands for CONST_DECLs
16303 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16304 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16306 2006-01-11 Ben Elliston <bje@au.ibm.com>
16308 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16309 function returns true in the positive case.
16311 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16314 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16315 for SI, DI, SF and DF modes. Add alternatives to copy between
16316 general and floating point registers to the 32-bit patterns.
16317 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16318 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16319 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16320 generating 64-bit code.
16321 * config/pa/pa.c (output_move_double): Handle copies between general
16322 and floating registers.
16324 2006-01-10 Stuart Hastings <stuart@apple.com>
16326 * config/i386/i386.md (set_got): Update.
16327 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16328 (builtin_setjmp_receiver): Mach-O support.
16329 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16330 (GOT_SYMBOL_NAME): Define.
16331 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16332 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16333 * config/i386/i386.c (override_options): Revise for Darwin.
16334 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16335 support. (darwin_x86_file_end): New. (output_set_got): Add label
16336 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16337 * config/i386/i386-protos.h (output_set_got): Likewise.
16338 * config/darwin.c (machopic_legitimize_pic_address): Update
16341 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16343 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16344 when MODE isn't BLKmode.
16346 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16348 PR rtl-optimization/25367
16349 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16351 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16354 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16355 for a negative bound.
16357 2006-01-10 Richard Guenther <rguenther@suse.de>
16359 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16360 Never override with anything constraint.
16362 2006-01-10 Jan Beulich <jbeulich@novell.com>
16364 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16365 256 bits when optimize_size.
16367 2006-01-10 Jan Beulich <jbeulich@novell.com>
16369 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16371 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16372 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16375 2006-01-10 Ben Elliston <bje@au.ibm.com>
16377 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16379 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16380 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16381 (USE_FP_FOR_ARG): Reject decimal float modes.
16382 (function_arg_advance): Likewise.
16383 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16384 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16385 point types in AltiVec vectors.
16386 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16387 (rs6000_libcall_value): Likewise.
16389 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16391 * config/xtensa/ieee754-df.S: New file.
16392 * config/xtensa/ieee754-sf.S: New file.
16393 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16394 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16395 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16397 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16399 * config/sh/predicates.md (binary_float_operator,
16400 binary_logical_operator, commutative_float_operator,
16401 equality_comparison_operator, greater_comparison_operator,
16402 less_comparison_operator, logical_operator,
16403 noncommutative_float_operator, shift_operator,
16404 symbol_ref_operand, unary_float_operator): Remove redundant
16407 2006-01-09 Jeff Law <law@redhat.com>
16409 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16410 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16411 now unused arguments. Callers updated.
16412 (eliminate_redundant_computations): Remove now unused arguments,
16414 (local_fold): Remove, no longer used.
16415 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16417 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16418 (simplify_cond): New function.
16419 (forward_propagate_into_cond): Call simplify_cond.
16421 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16423 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16424 (*vec_extractv2di_1_sse): New.
16426 2006-01-09 Ben Elliston <bje@au.ibm.com>
16428 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16430 2006-01-08 Richard Guenther <rguenther@suse.de>
16432 * tree-ssa-structalias.c (get_constraint_for): Remove
16433 anyoffset argument.
16434 (get_constraint_for_component_ref): Likewise.
16435 (do_deref): Likewise.
16436 (get_constraint_for): Likewise.
16437 (do_structure_copy): Likewise.
16438 (handle_ptr_arith): Likewise.
16439 (find_func_aliases): Likewise. Remove unused need_anyoffset
16442 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16443 Kaz Kojima <kkojima@gcc.gnu.org>
16445 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16446 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16447 (EXTRA_CONSTRAINT_C16): Remove.
16448 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16449 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16450 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16451 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16452 constants of SHmedia. Handle nested constant expressions of
16454 (andcosts): Fix the costs for SHmedia constants.
16455 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16456 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16457 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16458 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16459 (movv4hi_i, movv2si_i): Likewise.
16460 (movsi_const): Adjust the second operand of ior so to match with
16461 the Csu constraint.
16462 (movdi_const, movdi_const_32bit): Likewise.
16463 (movdi_const_16bit+1): Don't sign-extend LOW.
16464 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16466 (*double_shori): Fix the split condition. Use GEN_INT instead
16467 of get_int_mode calls. Mask lower 16-bit of the argument of
16469 (sym2GOTPLT): Remove.
16470 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16472 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16473 instead of EXTRA_CONSTRAINT_C16.
16475 2006-01-07 Ian Lance Taylor <ian@airs.com>
16476 David Edelsohn <edelsohn@gnu.org>
16478 PR rtl-optimization/25662
16479 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16480 for constant operands instead of simplify_gen_binary.
16481 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16482 after trying simplify_binary_operation
16484 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16486 * tree.c (iterative_hash_expr): Hash decls based on UID.
16488 2006-01-06 Eric Christopher <echristo@apple.com>
16490 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16491 (TARGET_UNWIND_EMIT): Fix spelling.
16492 * target.h (gcc_target): Add except_table_label.
16493 * except.c (output_function_exception_table): Use.
16494 * varasm.c (default_emit_except_table_label): New.
16495 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16497 (asm_out): Add here.
16498 * output.h (default_emit_except_table_label): Prototype.
16499 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16500 * config/darwin.c (darwin_emit_except_table_label): Define.
16501 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16503 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16505 PR tree-optimization/18527
16506 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16507 number_of_iterations_special, number_of_iterations_exit):
16508 Move base and step of an iv to a single structure. Add
16509 no_overflow flag, and use it in # of iterations analysis.
16510 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16511 folded_casts argument.
16512 (simple_iv): Pass base and step in a structure. Set no_overflow
16514 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16515 Evaluate expensiveness of computing # of iterations instead of
16516 the final expression.
16517 * tree-scalar-evolution.h (affine_iv): New structure.
16518 (simple_iv): Declaration changed.
16519 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16520 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16521 find_givs_in_stmt): Changed due to simple_iv change.
16523 2006-01-06 Jeff Law <law@redhat.com>
16526 * tree-cfg.c (bsi_replace): Rename final argument from
16527 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16528 change (stmt -> orig_stmt).
16529 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16530 (bsi_remove): Add new argument. Remove EH information
16532 (verify_eh_throw_table_statements): New function.
16533 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16535 * tree-optimize.c (execute_free_cfg_annotations): Verify
16536 the EH throw statement table after removing annotations.
16537 * except.h (verify_eh_throw_table_statements): Prototype.
16538 * tree-flow.h (bsi_remove): Update prototype.
16539 * tree-vrp.c (remove_range_assertions): Add new argument to
16541 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16542 * tree-complex.c (expand_complex_div_wide): Likewise.
16543 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16544 * tree-tailcall.c (eliminate_tailcall): Likewise.
16545 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16546 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16547 * tree-nrv.c (tree_nrv): Likewise.
16548 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16549 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16550 (combine_blocks): Likewise.
16551 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16552 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16553 (cleanup_control_flow): Likewise.
16554 (remove_forwarder_block): Likewise.
16555 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16556 * tree-sra.c (sra_replace): Likewise.
16557 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16558 (forward_propagate_single_use_vars): Likewise.
16559 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16560 * tree-inline.c (expand_call_inline): Likewise.
16561 * tree-vect-transform.c (vect_transform_loop): Likewise.
16562 * tree-outof-ssa.c (rewrite_trees): Likewise.
16563 * tree-cfg.c (make_goto_expr_edges): Likewise.
16564 (cleanup_dead_labels): Likewise.
16565 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16566 (bsi_move_before, bsi_move_after): Likewise.
16567 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16568 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16570 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16573 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16575 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16576 on non gimple variables. Also add checks at the top for decls and
16578 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16580 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16581 and IMAGPART_EXPR for creating MUST_DEFs.
16582 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16583 and NAME_MEMORY_TAG separately from the DECLs.
16585 2006-01-06 Richard Guenther <rguenther@suse.de>
16587 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16588 annotation, if necessary.
16589 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16590 redundant calls to update_stmt.
16591 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16594 2006-01-05 Richard Henderson <rth@redhat.com>
16596 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16598 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16600 * c-typeck.c: Update copyright date.
16602 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16604 * c-typeck.c (build_c_cast): Always warn when casting
16605 from a pointer to an integer of different size, even if
16606 the node was constant.
16608 2006-01-05 Richard Guenther <rguenther@suse.de>
16610 PR tree-optimization/22555
16611 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16612 if one structure field is an array.
16613 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16614 operands even if we found a subvar, but ignore VOPs in this
16616 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16618 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16620 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16622 PR middle-end/24998
16623 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16625 2006-01-05 Richard Guenther <rguenther@suse.de>
16626 Diego Novillo <dnovillo@redhat.com>
16628 * tree-pass.h (TODO_remove_unused_locals): Define.
16629 * gimple-low.c (expand_var_p, remove_useless_vars,
16630 pass_remove_useless_vars): Remove. Update all users.
16631 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16632 (remove_unused_locals): New function.
16633 * tree-flow.h (remove_unused_locals): Declare.
16634 * passes.c (execute_todo): Call remove_unused_locals if
16635 TODO_remove_unused_locals is set.
16636 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16637 * tree-ssa-dce.c (pass_dce): Likewise.
16638 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16640 2006-01-05 Richard Guenther <rguenther@suse.de>
16642 * tree-flow.h (struct fieldoff): Decompose field to
16643 type, size and decl.
16644 * tree-ssa-alias.c (create_sft): Take type as parameter.
16645 (create_overlap_variables_for): Store type, size and decl
16646 in the fieldoff structure.
16647 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16648 of struct fieldoff.
16649 (push_fields_onto_fieldstack): Likewise.
16650 (create_variable_info_for): Likewise. Use offset for the
16651 SFT name if the decl is not available.
16653 2006-01-04 Paul Brook <paul@codesourcery.com>
16655 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16657 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16659 * lambda-code.c (can_put_in_inner_loop): Relax
16661 (can_put_after_inner_loop): New function.
16662 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16663 (perfect_nestify): Change to make copies and modify uses.
16665 2006-01-04 Richard Henderson <rth@redhat.com>
16667 Merge from gomp branch:
16668 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16669 via integer constant.
16670 (pragma_lex): Remove.
16671 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16672 rather than parsing it.
16673 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16674 handle_pragma_extern_prefix): Add %< %> quotes.
16675 (registered_pragmas): New.
16676 (c_register_pragma_1): New.
16677 (c_register_pragma): Use it.
16678 (c_register_pragma_with_expansion): Likewise.
16679 (c_invoke_pragma_handler): New.
16680 (init_pragma): Use cpp_register_deferred_pragma directly for
16682 * c-pragma.h (enum pragma_kind): New.
16683 (pragma_handler): New.
16684 (c_invoke_pragma_handler): Declare.
16685 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16687 * c-common.h (c_common_pch_pragma): Update decl.
16688 * Makefile.in (c-parser.o): Update dependencies.
16689 (GTFILES): Add c-pragma.h.
16690 * c-parser.c (struct c_token): Add pragma_kind.
16691 (struct c_parser): Add in_pragma.
16692 (c_lex_one_token): Always initialize keyword and pragma_kind.
16693 Extract data for CPP_PRAGMA.
16694 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16695 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16696 Don't allow CPP_PRAGMA_EOL if in_pragma.
16697 (c_parser_consume_pragma): New.
16698 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16699 (c_parser_skip_to_end_of_parameter): Likewise.
16700 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16701 (c_parser_skip_to_pragma_eol): New.
16702 (c_parser_external_declaration): Handle CPP_PRAGMA.
16703 (c_parser_compound_statement_nostart): Likewise.
16704 (c_parser_statement_after_labels): Likewise.
16705 (c_parser_pragma): New.
16706 (pragma_lex): Likewise.
16707 (c_parser_pragma_pch_preprocess): New.
16708 (c_parser_new): Merge into ...
16709 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16711 2006-01-04 Jeff Law <law@redhat.com>
16714 * tree-cfg.c (bsi_replace): Remove the original statement
16715 from the EH throw statement table.
16717 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16719 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16720 make the prototype extern "C" and add throw ().
16723 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16724 and pos non-negative and pos + len <= 32.
16725 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16726 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16727 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16730 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16731 as well as sizes not multiple of component size.
16734 * function.c (instantiate_expr): New function.
16735 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16736 walk its DECL_VALUE_EXPR with instantiate_expr.
16738 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16739 DW_OP_deref{,_size} if address isn't going to be added.
16741 2006-01-04 Ben Elliston <bje@au.ibm.com>
16743 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16744 * config/fp-bit.c: Likewise.
16746 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16748 * dominance.c: Add comment about why we use DFS numbering
16751 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16752 Richard Henderson <rth@redhat.com>
16754 Merge from gomp-branch:
16755 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16756 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16758 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16760 PR rtl-optimization/25578
16761 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16762 pass a parameter to simplify_shift_const if changing ASHIFTRT
16765 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16767 * builtins.c (get_builtin_sync_mem): New function.
16768 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16769 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16770 Call get_builtin_sync_mem to generate mem rtx.
16772 2006-01-03 Richard Guenther <rguenther@suse.de>
16775 * stmt.c (add_case_node): Make sure to clear overflow flags
16778 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16780 Merge from gomp-branch.
16781 * config/sparc/sync.md: New file.
16782 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16783 UNSPECV_LDSTUB): New constants.
16784 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16785 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16786 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16789 2006-01-03 Roger Sayle <roger@eyesopen.com>
16791 * combine.c (reg_subword_p): New predicate to test whether the
16792 destination of a set refers to a subword/piece of a register.
16793 (try_combine): Generalize the code to merge the setting of a
16794 pseudo to a constant followed by a set of a subword of that
16795 register to a constant.
16797 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16799 * basic-block.h (control_flow_graph): Change the type of
16800 x_label_to_block_map to VEC(basic_block,gc) *.
16801 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16802 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16804 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16805 VEC(basic_block,heap) *.
16806 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16807 ssa_prop_fini): Adjust the uses of cfg_blocks.
16809 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16811 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16813 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16814 hashing trees instead of a pointer hash.
16815 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16816 compare for MEM_EXPR.
16818 PR rtl-optimization/25130
16819 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16820 when comparing MEMs for GCSE
16822 2006-01-03 Ben Elliston <bje@au.ibm.com>
16824 * targhooks.h (default_decimal_float_supported_p): Declare.
16825 * targhooks.c (default_decimal_float_supported_p): Define.
16826 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16827 `default_decimal_float_supported_p'.
16828 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16830 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16832 * combine.c (apply_distributive_law <SUBREG>): Check
16833 TRULY_NOOP_TRUNCATION.
16835 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16837 * dwarf2out.c (have_switched_text_section): Delete.
16838 (have_multiple_function_sections): New.
16839 (have_location_lists): Make 'bool'.
16840 (add_AT_loc_list): Use 'true' not '1'.
16841 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16842 (output_loc_list): Use have_multiple_function_sections.
16843 (output_ranges): Likewise.
16844 (dwarf2out_begin_function): Set have_multiple_function_sections if
16846 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16847 Check function_section rather than DECL_SECTION_NAME.
16848 (dwarf2out_finish): Use have_multiple_function_sections.
16849 Don't clear have_location_lists.
16851 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16852 Jan Hubicka <jh@suse.cz>
16854 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16855 case of conditional jump jumping to the next instruction.
16856 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16857 cases of conditional jump jumping to the next instruction.
16859 2006-01-02 Jan Hubicka <jh@suse.cz>
16861 * i386.c (*_cost): Add COSTS_N_INSNS.
16862 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16864 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16867 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16869 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16871 * config/arm/arm.c (all_fpus): Fix comment typo.
16872 * config/darwin.c: Likewise.
16873 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16874 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16875 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16877 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16879 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16880 (rs6000_split_compare_and_swapqhi): New.
16881 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16882 (sync_compare_and_swapqhi_internal): New.
16883 * config/rs6000/rs6000-protos.h: Declare.