1 2006-10-29 Richard Guenther <rguenther@suse.de>
3 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
4 (ix86_expand_floorceildf_32): Likewise.
5 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6 static helper function.
7 (ix86_expand_floorceil): Expander for floor and ceil to SSE
9 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
10 * config/i386/i386.md (floordf2): Adjust to enable floor
11 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
12 -fno-trapping-math is enabled and if not optimizing for size.
13 (floorsf2, ceildf2, ceilsf2): Likewise.
14 * config/i386/sse.md (sse_maskcmpsf3): New insn.
15 (sse2_maskcmpdf3): Likewise.
17 2006-10-29 Richard Guenther <rguenther@suse.de>
19 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
20 rint in case -fno-trapping-math is enabled.
21 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
22 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
23 (ix86_expand_sse_fabs): Likewise.
24 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
25 * config/i386/i386.md (rintdf2): Enable for SSE math if
26 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
29 2006-10-29 Richard Guenther <rguenther@suse.de>
31 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
33 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
35 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
36 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
37 (lfloor_optab, lceil_optab): Adjust defines.
38 * builtins.c (expand_builtin_int_roundingfn): Adjust for
39 lfloor and lceil optabs now being conversion optabs.
40 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
41 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
42 New static helper function.
43 (ix86_expand_lfloorceil): New function to expand lfloor and
45 * config/i386/i386.md (lfloor<mode>2): Split into ...
46 (lfloorxf<mode>2): ... x87 variant
47 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
48 using ix86_expand_lfloorceil.
49 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
51 * doc/md.texi (lfloorMN, lceilMN): Document.
53 2006-10-29 Richard Sandiford <richard@codesourcery.com>
55 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
56 -mno-shared assembler option on mips targets.
57 * configure, config.in: Regenerate.
58 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
59 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
60 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
62 2006-10-29 Richard Sandiford <richard@codesourcery.com>
64 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
65 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
67 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
69 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
70 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
73 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
76 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
77 (fold_builtin_pow): Evaluate constant arguments at compile-time
79 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
80 (do_mpfr_ckconv): New helper function.
81 (do_mpfr_arg1): Use do_mpfr_ckconv.
84 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
87 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
88 (-fdump-rtl-sched): Rename to ..
89 (-fdump-rtl-sched1): here. Also fix file extension number.
91 2006-10-28 Richard Guenther <rguenther@suse.de>
93 * fold-const.c (maybe_canonicalize_comparison): Fix code
96 2006-10-28 Uros Bizjak <uros@kss-loka.si>
98 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
99 (NON_QI_REG_P): Use IN_RANGE.
100 (REX_INT_REGNO_P): Use IN_RANGE.
101 (FP_REGNO_P): Use IN_RANGE.
102 (SSE_REGNO_P): Use IN_RANGE.
103 (REX_SSE_REGNO_P): Use IN_RANGE.
104 (MMX_REGNO_P): Use IN_RANGE.
105 (STACK_REGNO_P): New macro.
106 (STACK_REG_P): Use STACK_REGNO_P.
107 (NON_STACK_REG_P): Use STACK_REGNO_P.
108 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
109 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
110 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
111 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
112 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
114 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
116 * except.h (output_function_exception_table): Add 'const char*' param.
117 * except.c (switch_to_exception_section): Add 'const char*' param.
118 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
119 and flag_function_sections is set, use a function-specific section.
120 (output_function_exception_table): Add 'const char*' param.
121 Adjust call to switch_to_exception_section.
122 * final.c (rest_of_handle_final): Adjust calls to
123 output_function_exception_table.
124 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
125 * config.in: Regenerate.
126 * configure: Likewise.
128 2006-10-28 Richard Guenther <rguenther@suse.de>
131 * fold-const.c (maybe_canonicalize_comparison_1): Helper
132 for maybe_canonicalize_comparison.
133 (maybe_canonicalize_comparison): New function for canonicalizing
135 (fold_comparison): Call it to canonicalize comparisons with
138 2006-10-28 Richard Guenther <rguenther@suse.de>
141 * builtins.c (expand_builtin_int_roundingfn_2): Expand
142 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
143 (expand_builtin): Adjust likewise.
144 * genopinit.c (optabs[]): Add lround optab.
145 * optabs.c (init_optabs): Initialize lround_optab.
146 * optabs.h (enum convert_optab_index): Add COI_lround.
147 (lround_optab): Define.
148 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
149 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
151 (ix86_expand_lround): New function.
152 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
154 * doc/md.texi (lroundMN2): Document.
156 2006-10-28 Uros Bizjak <uros@kss-loka.si>
159 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
160 argument to HOST_WIDE_INT. Update function prototype.
161 (round_frame_size): Change return type to HOST_WIDE_INT. Change
162 "size" argument to HOST_WIDE_INT. Update function prototype.
164 2006-10-28 Uros Bizjak <uros@kss-loka.si>
166 * config/i386/i386.c (output_387_ffreep): Create output from a
167 template string for !HAVE_AS_IX86_FFREEP.
169 2006-10-27 Eric Christopher <echristo@apple.com>
171 * config/darwin.c: Fix formatting and grammar.
173 2006-10-27 Jan Hubicka <jh@suse.cz>
175 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
176 to be thrown away soon when IGNORE is set.
177 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
178 indicating when return value shall not be computed.
179 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
181 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
183 * config/i386/i386.h (TARGET_GEODE):
184 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
185 (TARGET_CPU_DEFAULT_geode): New macro.
186 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
187 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
188 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
189 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
190 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
192 (TARGET_CPU_DEFAULT_NAMES): Add geode.
193 (processor_type): Add PROCESSOR_GEODE.
195 * config/i386/i386.md: Include geode.md.
198 * config/i386/i386.c (geode_cost): New initialized global
200 (m_GEODE, m_K6_GEODE): New macros.
201 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
202 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
203 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
204 x86_schedule): Use m_K6_GEODE instead of m_K6.
205 (x86_movx, x86_cmove): Set up m_GEODE.
206 (x86_integer_DFmode_moves): Clear m_GEODE.
207 (processor_target_table): Add entry for geode.
208 (processor_alias_table): Ditto.
210 * config/i386/geode.md: New file.
212 * doc/invoke.texi: Add entry about geode processor.
214 2006-10-27 Mike Stump <mrs@apple.com>
216 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
217 __DYNAMIC__ from here back to ...
218 * config/darwin.h (CPP_SPEC): ... here.
220 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
221 Nathan Sidwell <nathan@codesourcery.com>
223 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
224 when choosing the minimum heapsize.
226 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
228 * gcc/unwind-dw2.h: Move cfa-related variables into
229 struct frame_state_reg_info to ensure that the CFA is properly
230 handled when executing DW_CFA_{remember,restore}_state.
231 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
232 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
233 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
234 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
235 gcc/config/rs6000/linux-unwind.h,
236 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
237 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
238 Modify to use new cfa_* fields.
240 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
242 * config/s390/s390.c (s390_init_frame_layout): Check positive
245 2006-10-26 Ben Elliston <bje@au.ibm.com>
247 * gimplify.c (get_name): Remove extraneous break.
248 (gimplify_omp_for): Initialise ret with GS_OK.
250 2006-10-25 Steve Ellcey <sje@cup.hp.com>
252 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
253 Add unix98.o to link line.
255 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
258 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
259 Calculate compile-time constants using MPFR.
260 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
261 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
263 2006-10-25 Bob Wilson <bob.wilson@acm.org>
265 * config/xtensa/lib2funcs.S: Use C-style comments.
267 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
269 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
270 (file_table_relative_p): Likewise.
271 (dwarf2out_finish): Likewise.
272 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
274 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
276 * tree-ssa-structalias.c (intra_create_variable_infos):
277 Don't recreate nonlocal_all if it already exists.
279 2006-10-25 Richard Guenther <rguenther@suse.de>
282 * optabs.h (enum optab_index): Remove OTI_lrint.
283 (enum convert_optab_index): Add COI_lrint.
284 (lrint_optab): Adjust.
285 (expand_sfix_optab): Declare.
286 * optabs.c (expand_sfix_optab): New function.
287 (init_optabs): Init lrint_optab as conversion optab.
288 * genopinit.c (lrint_optab): Change to a conversion optab.
289 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
290 expansion via conversion optab.
291 * config/i386/i386.md (*fistdi2_1): Remove
292 flag_unsafe_math_optimizations guard.
293 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
294 fist<mode>2_with_temp): Likewise.
295 (lrint<mode>2): Split into...
296 (lrintxf<mode>2): ... x87 part
297 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
298 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
299 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
300 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
301 * doc/md.texi (lrintMN2): Document.
303 2006-10-25 Uros Bizjak <uros@kss-loka.si>
306 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
307 Use inc and dec instructions for TARGET_USE_INCDEC.
308 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
309 ("sync_double_compare_and_swap<mode>"): Likewise.
310 ("*sync_double_compare_and_swapdi_pic"): Likewise.
311 ("*sync_compare_and_swap_cc<mode>"): Likewise.
312 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
313 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
314 ("sync_old_add<mode>"): Likewise.
315 ("sync_lock_test_and_set<mode>"): Likewise.
316 ("sync_lock_test_and_set<mode>"): Likewise.
317 ("sync_add<mode>"): Likewise.
318 ("sync_sub<mode>"): Likewise.
319 ("sync_ior<mode>"): Likewise.
320 ("sync_and<mode>"): Likewise.
321 ("sync_xor<mode>"): Likewise.
323 2006-10-25 Uros Bizjak <uros@kss-loka.si>
325 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
326 (remainder_optab): Define corresponding macro.
327 (drem_optab): Remove.
328 * optabs.c (init_optabs): Initialize remainder_optab. Remove
329 drem_optab initialization.
330 * genopinit.c (optabs): Implement remainder_optab using
331 remainder?f3 patterns. Remove drem_optab.
332 * builtins.c (expand_builtin_mathfn_2): Handle
333 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
334 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
335 expand_builtin_mathfn_2.
337 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
338 depend on flag_unsafe_math_optimizations.
340 * config/i386/i386.md ("remaindersf3", "remainderdf3")
341 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
342 Do not depend on flag_unsafe_math_optimizations. Use
343 truncxf?f expander instead of truncxf?f_i387_noop.
345 ("fpremxf4", "fprem1xf4"): Do not depend on
346 flag_unsafe_math_optimizations.
347 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
348 flag_unsafe_math_optimizations. Use truncxf?f expander
349 instead of truncxf?f_i387_noop.
351 * doc/md.texi (fmod, remainder): Document standard named pattern.
353 2006-10-24 Richard Sandiford <richard@codesourcery.com>
354 David Daney <ddaney@avtrex.com>
357 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
359 2006-10-25 Ben Elliston <bje@au.ibm.com>
361 * doc/extend.texi (Variable Attributes): Typo fix.
363 2006-10-24 Uros Bizjak <uros@kss-loka.si>
365 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
366 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
367 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
368 (FRAME_POINTER_REGNUM): Update register number to 21.
369 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
370 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
372 * config/i386/i386.c (regclass_map): Add fpcr entry.
373 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
375 (print_reg): Assert REGNO (x) != FPCR_REG.
377 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
378 (DIRFLAG_REG): Renumber.
379 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
380 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
381 (sse_prologue_save, *sse_prologue_save_insn): Renumber
382 hardcoded SSE register numbers.
384 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
385 hardcoded MMX register numbers.
387 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
390 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
391 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
393 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
394 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
395 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
396 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
398 2006-10-24 Richard Guenther <rguenther@suse.de>
401 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
402 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
403 for deciding optimizations in consistency with fold-const.c
404 (fold_builtin_unordered_cmp): Likewise.
406 2006-10-24 Richard Guenther <rguenther@suse.de>
408 * builtins.c (fold_builtin_floor): Fold floor (x) where
409 x is nonnegative to trunc (x).
410 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
411 nonnegative to FIX_TRUNC_EXPR.
413 2006-10-24 Richard Guenther <rguenther@suse.de>
415 PR tree-optimization/29567
416 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
417 for TRUTH_NOT_EXPR. Clarify comments.
419 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
422 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
423 at compile-time using MPFR. Change parameter VALUE to FUNC,
425 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
426 for overflow and underflow at all times and avoid folding in
429 2006-10-24 Ben Elliston <bje@au.ibm.com>
431 * reload1.c: Formatting fixes.
433 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
435 PR tree-optimization/14784
436 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
437 * tree-ssa-structalias.c (get_constraint_for,
438 intra_create_variable_infos): Set is_heapvar.
439 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
440 non-heapvar pointer variables specially.
442 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
445 * builtins.c (fold_builtin_sin, fold_builtin_cos,
446 fold_builtin_tan): Fold all constant arguments. Take a "type"
447 argument as necessary.
449 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
451 2006-10-23 Bob Wilson <bob.wilson@acm.org>
453 * config/xtensa/lib1funcs.asm: Use C-style comments.
455 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
457 * tree.c (local_define_builtin): Replace calls to
458 lang_hooks.builtin_function with add_builtin_function.
459 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
461 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
463 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
464 common code to add_builtin_function.
465 * langhooks.c (add_builtin_function): New function.
466 (lhd_builtin_function): New function.
467 * langhooks.h (struct lang_hooks): Change the signature of
469 (add_builtin_function): New function.
470 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
471 calls to lang_hooks.builtin_function with add_builtin_function.
472 * c-common.c (decl_builtin_1): Replace calls to
473 lang_hooks.builtin_function with add_builtin_function.
474 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
475 lang_hooks.builtin_function with add_builtin_function.
476 * config/frv/frv.c (def_builtin): Replace calls to
477 lang_hooks.builtin_function with add_builtin_function.
478 * config/s390/s390.c (s390_init_builtins): Replace calls to
479 lang_hooks.builtin_function with add_builtin_function.
480 * config/sparc/sparc.c (def_builtin): Replace calls to
481 lang_hooks.builtin_function with add_builtin_function.
482 * config/i386/i386.c (def_builtin): Replace calls to
483 lang_hooks.builtin_function with add_builtin_function.
484 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
485 lang_hooks.builtin_function with add_builtin_function.
486 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
487 lang_hooks.builtin_function with add_builtin_function.
488 * config/stormy16/stormy16.c (xstormy16_init_builtins):
489 Replace calls to lang_hooks.builtin_function with
490 add_builtin_function.
491 * config/iq2000/iq2000.c (def_builtin):
492 Replace calls to lang_hooks.builtin_function with
493 add_builtin_function.
494 * config/ia64/ia64.c (def_builtin): Replace calls to
495 lang_hooks.builtin_function with add_builtin_function.
496 * config/rs6000/rs6000.c (def_builtin): Replace calls to
497 lang_hooks.builtin_function with add_builtin_function.
498 (altivec_init_builtins): Replace calls to
499 lang_hooks.builtin_function with add_builtin_function.
500 * config/arm/arm.c (def_mbuiltin): Replace calls to
501 lang_hooks.builtin_function with add_builtin_function.
502 (arm_init_tls_builtins): Replace calls to
503 lang_hooks.builtin_function with add_builtin_function.
504 * config/mips/mips.c (mips_init_builtins): Replace calls to
505 lang_hooks.builtin_function with add_builtin_function.
506 * config/bfin/bfin.c (def_builtin): Replace calls to
507 lang_hooks.builtin_function with add_builtin_function.
508 * langhooks-def.h (lhd_builtin_function): New function.
509 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
511 2006-10-23 Jakub Jelinek <jakub@redhat.com>
513 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
514 BUILT_IN_STRNCAT_CHK.
516 2006-10-23 Jan Hubicka <jh@suse.cz>
518 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
519 don't do conversion from memmove to memcpy here.
520 (expand_builtin_bcopy, expand_builtin): Update call of
521 expand_builtin_memmove.
522 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
524 2006-10-23 Paul Brook <paul@codesourcery.com>
526 * stor-layout.c (start_record_layout): maximum_field_alignment
527 overrides STRUCTURE_SIZE_BOUNDARY.
529 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
531 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
532 nonlocal function symbols if flag_pic.
534 2006-10-23 Richard Guenther <rguenther@suse.de>
538 * builtins.c (fold_binary): Remove checks for flag_wrapv
539 and flag_trapv where negate_expr_p covers these cases.
541 2006-10-23 Richard Guenther <rguenther@suse.de>
544 * fold-const.c (fold_plusminus_mult_expr): Check exact power
545 of two on the absolute value.
546 (fold_binary): Fold x * -C to -x * C if x is easily negatable
547 and negating -C does not overflow.
549 2006-10-23 Richard Guenther <rguenther@suse.de>
552 * convert.c (convert_to_real): Fold (float)-x to -(float)x
553 only if not flag_rounding_math.
555 2006-10-22 Richard Sandiford <richard@codesourcery.com>
556 Kaz Kojima <kkojima@gcc.gnu.org>
559 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
560 SImode memory reference for the source of a movua.
561 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
562 (movua): Use an unspec instead of sign_extract. Expect the source
563 to have mode BLKmode.
564 (extv, insv): Use a BLKmode rather than SImode memory reference
565 for the source of a movua.
567 2006-10-22 Jeff Law <law@redhat.com>
568 Richard Guenther <rguenther@suse.de>
570 PR tree-optimization/15911
571 * tree-vrp.c (extract_code_and_val_from_cond): New function.
572 (register_edge_assert_for_1): Likewise.
573 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
574 (find_conditional_asserts): Adjust for new function signature.
575 (find_assert_locations): Likewise.
577 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
579 * config/i386/tmmintrin.h: Remove the duplicated content.
581 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
583 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
584 (x86_64-*-*): Likewise.
586 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
587 (override_options): Check SSSE3.
588 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
589 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
590 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
591 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
592 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
593 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
594 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
595 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
596 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
597 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
598 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
599 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
600 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
601 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
602 IX86_BUILTIN_PABSD128.
603 (bdesc_2arg): Add SSSE3.
604 (bdesc_1arg): Likewise.
605 (ix86_init_mmx_sse_builtins): Support SSSE3.
606 (ix86_expand_builtin): Likewise.
607 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
609 * config/i386/i386.md (UNSPEC_PSHUFB): New.
610 (UNSPEC_PSIGN): Likewise.
611 (UNSPEC_PALIGNR): Likewise.
612 Include mmx.md before sse.md.
614 * config/i386/i386.opt: Add -mssse3.
616 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
617 (ssse3_phaddwv4hi3): Likewise.
618 (ssse3_phadddv4si3): Likewise.
619 (ssse3_phadddv2si3): Likewise.
620 (ssse3_phaddswv8hi3): Likewise.
621 (ssse3_phaddswv4hi3): Likewise.
622 (ssse3_phsubwv8hi3): Likewise.
623 (ssse3_phsubwv4hi3): Likewise.
624 (ssse3_phsubdv4si3): Likewise.
625 (ssse3_phsubdv2si3): Likewise.
626 (ssse3_phsubswv8hi3): Likewise.
627 (ssse3_phsubswv4hi3): Likewise.
628 (ssse3_pmaddubswv8hi3): Likewise.
629 (ssse3_pmaddubswv4hi3): Likewise.
630 (ssse3_pmulhrswv8hi3): Likewise.
631 (ssse3_pmulhrswv4hi3): Likewise.
632 (ssse3_pshufbv16qi3): Likewise.
633 (ssse3_pshufbv8qi3): Likewise.
634 (ssse3_psign<mode>3): Likewise.
635 (ssse3_psign<mode>3): Likewise.
636 (ssse3_palignrti): Likewise.
637 (ssse3_palignrdi): Likewise.
638 (abs<mode>2): Likewise.
639 (abs<mode>2): Likewise.
641 * config/i386/tmmintrin.h: New file.
643 * doc/extend.texi: Document SSSE3 built-in functions.
645 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
647 2006-10-22 Ira Rosen <irar@il.ibm.com>
649 * tree-vect-transform.c (vectorizable_load): Use the type of the
650 return value of the mask_for_load builtin to create realign_load
653 2006-10-22 Richard Sandiford <richard@codesourcery.com>
655 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
658 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
660 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
661 (UNSPEC_LDDQU): This.
662 * config/i386/sse.md (sse3_lddqu): Updated.
664 2006-10-21 Richard Guenther <rguenther@suse.de>
666 * builtins.c (expand_builtin_int_roundingfn_2): New function.
667 (expand_builtin): Use it to expand lrint instead of
668 expand_builtin_mathfn.
670 2006-10-21 Uros Bizjak <uros@kss-loka.si>
673 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
674 flag_unsafe_math_optimizations is set.
676 2006-10-21 Uros Bizjak <uros@kss-loka.si>
679 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
680 patterns to use memory input operand in x87->mem->XMM
681 reload sequences. Skip transformation for TARGET_K8.
683 2006-10-21 Uros Bizjak <uros@kss-loka.si>
685 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
686 force operand1 to register if both operands are memory operands.
687 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
688 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
689 if both operands are memory operands.
690 (truncdfsf2): Do not force operand1 to register if both operands
693 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
695 * Makefile.in (LIBS): Add $(GMPLIBS).
696 * doc/install.texi: Update GMP and MPFR requirements.
697 * doc/sourcebuild.texi (need_gmp): Delete.
699 2006-10-21 Richard Guenther <rguenther@suse.de>
701 PR tree-optimization/3511
702 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
703 got new invariant arguments during PHI translation.
705 2006-10-21 Richard Guenther <rguenther@suse.de>
708 * fold-const.c (fold_comparison): Fold signed comparisons
709 of the form X +- C1 CMP Y +- C2.
711 2006-10-21 Richard Guenther <rguenther@suse.de>
714 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
715 if flag_unsafe_math_optimizations is specified. We have
716 flag_finite_math_only for that.
717 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
718 or flag_unsafe_math_optimizations.
720 2006-10-21 Richard Guenther <rguenther@suse.de>
722 * builtins.c (fold_builtin_classify): Fix typo.
724 2006-10-21 Richard Guenther <rguenther@suse.de>
727 * simplify-rtx.c (simplify_const_relational_operation):
728 Do not constant-fold ORDERED and UNORDERED for
729 flag_unsafe_math_optimizations but only we do not need to
730 honor NaNs for the given mode.
732 2006-10-21 Richard Guenther <rguenther@suse.de>
735 * config/i386/i386.c (classify_argument): Remove redundant
736 walking of the BINFOs.
737 (contains_128bit_aligned_vector_p): Likewise.
739 2006-10-20 Mark Mitchell <mark@codesourcery.com>
741 * BASE-VER: Set to 4.3.0.
743 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
745 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
746 (tree_decl_with_vis): Remove artificial_pta_var flag.
747 * tree-flow.h (referenced_var_check_and_insert): Expose.
748 (nonlocal_all): New prototype.
749 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
750 (nonlocal_all): Make global.
751 (nonlocal_lookup): Remove.
752 (nonlocal_insert): Ditto.
753 (create_nonlocal_var): Do not call nonlocal_insert.
754 (get_nonlocal_id_for_type): Remove.
755 (find_global_initializers): Mark new vars we find for renaming.
756 (intra_create_variable_infos): Only create one nonlocal.
757 (expand_nonlocal_solutions): Remove.
758 (compute_points_to_sets): Don't call it.
759 (ipa_pta_execute): Ditto.
760 (init_alias_heapvars): Don't create nonlocal_for_type.
761 (delete_alias_heapvars): Don't remove it.
762 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
765 2006-10-19 Brooks Moses <bmoses@stanford.edu>
767 * doc/install.texi (Downloading GCC): Clarify mention of
768 Fortran in the "full distribution" description.
770 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
772 Fix PR tree-optimization/28778
773 Fix PR tree-optimization/29156
774 Fix PR tree-optimization/29415
775 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
776 (tree_decl_with_vis): Add artificial_pta_var flag.
777 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
779 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
780 (nonlocal_all): Ditto.
781 (struct variable_info): Add directly_dereferenced member.
782 (var_escaped_vars): New variable.
783 (escaped_vars_tree): Ditto.
784 (escaped_vars_id): Ditto.
785 (nonlocal_vars_id): Ditto.
786 (new_var_info): Set directly_dereferenced.
787 (graph_size): New variable
788 (build_constraint_graph): Use graph_size.
789 (solve_graph): Don't process constraints that cannot change the
790 solution, don't try to propagate an empty solution to our
792 (process_constraint): Set directly_dereferenced.
793 (could_have_pointers): New function.
794 (get_constraint_for_component_ref): Don't process STRING_CST.
795 (nonlocal_lookup): New function.
796 (nonlocal_insert): Ditto.
797 (create_nonlocal_var): Ditto.
798 (get_nonlocal_id_for_type): Ditto.
799 (get_constraint_for): Allow results vector to be empty in the case
801 Handle results of calls properly.
802 (update_alias_info): Update alias info stats on number and type of
804 (find_func_aliases): Use could_have_pointers.
805 (make_constraint_from_escaped): Renamed from
806 make_constraint_to_anything, and changed to make constraints from
808 (make_constraint_to_escaped): New function.
809 (find_global_initializers): Ditto.
810 (create_variable_info_for): Make constraint from escaped to any
811 global variable, and from any global variable to the set of
813 (intra_create_variable_infos): Deal with escaped instead of
814 pointing to anything.
815 (set_uids_in_ptset): Do type pruning on directly dereferenced
817 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
818 (init_base_vars): Fix comment, and initialize escaped_vars.
819 (need_to_solve): Removed.
820 (find_escape_constraints): New function.
821 (expand_nonlocal_solutions): Ditto.
822 (compute_points_to_sets): Call find_escape_constraints and
823 expand_nonlocal_solutions.
824 (delete_points_to_sets): Don't fall off the end of the graph.
825 (init_alias_heapvars): Initialize nonlocal_for_type and
827 (delete_alias_heapvars): Free nonlocal_for_type and null out
830 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
832 * fold-const.c (add_double): Rename to add_double_with_sign.
833 Add 'unsigned_p' parameter and take it into account for the overflow.
834 (mul_double): Rename to mul_double_with_sign.
835 Add 'unsigned_p' parameter and take it into account for the overflow.
836 (fold_div_compare): Call add_double_with_sign instead of add_double
837 and mul_double_with_sign instead of mul_double, passing them the
838 unsignedness of the type.
839 * tree.h (add_double): Macroize.
840 (add_double_with_sign): New prototype.
841 (mul_double): Macroize.
842 (mul_double_with_sign): New prototype.
844 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
846 * config/score/crti.asm: New file.
847 * config/score/crtn.asm: New file.
848 * config/score/elf.h: New file.
849 * config/score/mac.md: New file.
850 * config/score/misc.md: New file.
851 * config/score/mul-div.S: New file.
852 * config/score/predicates.md: New file.
853 * config/score/score7.md: New file.
854 * config/score/score.c: New file.
855 * config/score/score-conv.h: New file.
856 * config/score/score.h: New file.
857 * config/score/score.md: New file.
858 * config/score/score-mdaux.c: New file.
859 * config/score/score-mdaux.h: New file.
860 * config/score/score-modes.def: New file.
861 * config/score/score.opt: New file.
862 * config/score/score-protos.h: New file.
863 * config/score/score-version.h: New file.
864 * config/score/t-score-elf: New file.
865 * config.gcc: Add score*-*-* configurations(Update before).
866 * doc/invoke.texi (Score Options): New section.
867 * doc/md.texi (Score family): New section to document constraints.
869 2006-10-19 Nick Clifton <nickc@redhat.com>
871 * config/arm/arm.c: Fix spelling typo.
873 2006-10-18 Tom Tromey <tromey@redhat.com>
875 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
877 2006-10-18 Jan Hubicka <jh@suse.cz>
880 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
883 2006-10-18 Marcin Dalecki <martin@dalecki.de>
885 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
886 TSI_SAME_STMT, since that's the desired entity.
888 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
890 * config/s390/contraints.md: New file.
891 * config/s390/s390-protos.h (s390_mem_constraint,
892 s390_O_constraint_str, s390_N_constraint_str,
893 s390_float_const_zero_p): Function prototypes added.
894 * config/s390/s390.c (s390_extra_constraint_str,
895 s390_const_double_ok_for_constraint_p,
896 s390_const_ok_for_constraint_p): Functions removed.
897 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
898 s390_float_const_zero_p): New functions.
899 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
900 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
901 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
902 Macro definitions removed.
903 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
904 s390_extra_constraint_str): Functions removed.
906 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
907 Richard Sandiford <richard@codesourcery.com>
910 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
911 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
913 2006-10-16 Geoffrey Keating <geoffk@apple.com>
915 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
916 (DWARF2_FRAME_REG_OUT): Likewise.
917 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
918 (DWARF2_FRAME_REG_OUT): Likewise.
920 2006-10-17 Paul Brook <paul@codesourcery.com>
922 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
924 2006-10-16 Brooks Moses <bmoses@stanford.edu>
926 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
927 Standardize on "GNU Fortran" as the official name of the Fortran
930 2006-10-16 Mike Stump <mrs@apple.com>
932 * doc/invoke.texi (Darwin Options): Document -mkernel.
933 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
935 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
936 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
937 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
938 (OS_MISSING_ALTIVEC): Add.
939 * config/i386/i386.c (override_options): Add
940 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
941 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
942 -mkernel, -static or -mdynamic-no-pic is given.
943 (C_COMMON_OVERRIDE_OPTIONS): Add.
944 * config/darwin.opt (fapple-kext): Add.
946 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
947 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
949 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
950 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
951 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
952 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
953 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
955 (flag_apple_kext): Add.
956 (TARGET_KEXTABI): Add.
957 * config/darwin.c (darwin_handle_kext_attribute): Add.
958 (DARWIN_VTABLE_P): Add.
959 (darwin_binds_local_p): Add partial support for rebinding vtables
961 (darwin_kextabi_p): Add.
962 (darwin_override_options): Add.
963 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
964 (darwin_kextabi_p): Add.
965 (darwin_override_options): Add.
966 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
967 __DYNAMIC__ and __STATIC__ here.
969 2006-10-16 Brooks Moses <bmoses@stanford.edu>
971 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
972 Added mention of "make pdf" target, and Texinfo requirements for
975 2006-10-16 DJ Delorie <dj@redhat.com>
977 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
978 into the GOT in case we need a subreg of the address.
980 2006-10-16 Richard Guenther <rguenther@suse.de>
983 * doc/extend.texi (X86 Built-in Functions): Fix typos in
984 SSE builtin documentation. Document SSE2 builtins.
986 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
988 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
989 symbol in the output file for non-shared links when -nostdlib or
990 -nodefaultlibs isn't specified.
992 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
993 posix thread support.
995 2006-10-15 Jan Hubicka <jh@suse.cz>
998 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
999 declared always_inline even when not inlining.
1001 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1002 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1003 Andrew Pinski <pinskia@gmail.com>
1006 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1008 2006-10-15 Jan Hubicka <jh@suse.cz>
1009 Richard Guenther <rguenther@suse.de>
1012 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1013 process_function_and_variable_attributes on all variables, including
1014 those discovered during cgraph construction phase.
1016 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1018 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1020 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1022 * config/i386/athlon.md (athlon_fist): Add fisttp.
1024 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1025 Ian Lance Taylor <ian@airs.com>
1028 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1029 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1032 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1034 * config/score/score.c, config/score/score.h: Fix comment
1037 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1040 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1043 2006-10-13 Eric Christopher <echristo@apple.com>
1045 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1047 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1050 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1051 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1052 alignment supported by 32-bit ELF.
1054 2006-10-13 Eric Christopher <echristo@apple.com>
1056 * config/darwin.c (darwin_emit_unwind_label): Strip
1057 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1059 2006-10-13 Richard Guenther <rguenther@suse.de>
1061 PR tree-optimization/29446
1062 * tree-vrp.c (fix_equivalence_set): Remove.
1063 (extract_range_from_assert): Do not call fix_equivalence_set.
1064 (debug_value_range): Print a newline.
1065 (compare_name_with_value): For equivalence sets with
1066 inconsistent value ranges conservatively bail out.
1067 (compare_names): Likewise.
1069 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1071 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1072 and MPFR for gfortran.
1074 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1076 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1077 alignment supported by 32-bit ELF.
1079 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1083 * c-typeck.c (digest_init): Always allow initializing vectors
1084 that have static storage duration with compound literals.
1085 * tree.c (build_type_attribute_qual_variant): New, based on
1086 build_type_attribute_variant.
1087 (build_type_attribute_variant): Rewrite using the former.
1088 (make_vector_type): Use build_type_attribute_qual_variant to build
1089 type variants. Use type_hash_canon on the others.
1091 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1092 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1094 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1096 2006-10-12 Jan Hubicka <jh@suse.cz>
1099 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1100 current_function_decl is set but current_function_scope is not.
1102 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1104 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1105 emit_insn to emit eh_return_internal instruction.
1106 (eh_return_internal): Explicitly set pc.
1108 2006-10-11 Richard Guenther <rguenther@suse.de>
1110 PR tree-optimization/28230
1111 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1112 to the correct place.
1114 2006-10-11 Richard Guenther <rguenther@suse.de>
1117 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1120 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1122 * configure.ac: Added pdf to "Make-hooks"
1123 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1124 targets and *.pdf file patterns in cleanup targets.
1125 * configure: Regenerated.
1127 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1129 * config/avr/predicates.md: New file.
1130 * config/avr/avr.md: Include it.
1131 (REG_SP): New constant.
1132 (peepholes): Use predicates.
1133 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1134 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1135 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1137 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1139 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1142 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1145 * builtins.c (var_decl_component_p): New function.
1146 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1147 single entry optimization to variables and components thereof.
1149 2006-10-10 Richard Guenther <rguenther@suse.de>
1151 PR rtl-optimization/29323
1152 * except.c (set_nothrow_function_flags): For functions
1153 that do not bind local bail out early.
1155 2006-10-10 Ben Elliston <bje@au.ibm.com>
1157 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1160 2006-10-09 Richard Henderson <rth@redhat.com>
1162 Revert emutls patch.
1164 2006-10-09 Richard Guenther <rguenther@suse.de>
1167 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1170 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1173 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1174 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1175 * configure: Regenerate.
1176 * config.in: Regenerate.
1178 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1180 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1182 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1184 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1185 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1186 Remove stray newline.
1188 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1190 * config/mips/mips.c (mips_classify_symbol): Do not return
1191 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1192 (mips_in_small_data_p): Tweak comments.
1194 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1196 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1198 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1200 * gimplify.c, sched-int.h: Fix comment typos.
1202 * sched-int.h: Fix comment typos.
1204 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1206 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1208 * sched-ebb.c (begin_schedule_ready): Use them.
1209 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1210 add_to_speculative_block, create_check_block_twin, speculate_insn,
1211 fix_jump_move, move_block_after_check): Ditto.
1212 * sched-rgn.c (new_ready): Ditto.
1214 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1216 PR rtl-optimization/29128
1217 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1218 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1219 allow interblock movement of speculation checks.
1221 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1224 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1225 casted to integer type.
1226 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1227 if they are significantly more expensive than [reg + index] ones.
1229 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1231 PR tree-optimization/29330
1232 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1233 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1234 on newly allocated ddrs.
1235 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1236 to VEC (loop_p, heap) pointer.
1237 (compute_data_dependences_for_loop): Adjust caller.
1238 (free_dependence_relations): Free DDR_LOOP_NEST.
1240 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1241 free DEPENDENCE_RELATIONS and DATAREFS.
1244 * builtins.c (expand_builtin_sync_operation,
1245 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1246 Use convert_to_mode to handle promoted arguments.
1248 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1250 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1252 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1254 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1256 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1258 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1259 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1260 Use <modeconstraint> instead of "r" as operand 1 constraint.
1262 2006-10-06 Olivier Hainque <hainque@adacore.com>
1264 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1265 Don't recurse on the pointed-to type.
1266 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1267 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1268 types with components of variable size.
1270 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1272 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1274 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1276 PR tree-optimization/29290
1277 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1281 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1282 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1285 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1286 the number of vector elements fill the rest with zeros.
1288 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1290 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1291 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1294 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1296 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1297 unnamed pattern into subsi3. Use correct constraints/predicates.
1298 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1299 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1301 2006-10-05 Ira Rosen <irar@il.ibm.com>
1303 * doc/loop.texi: Add data references analysis description.
1305 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1307 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1309 2006-10-04 Richard Henderson <rth@redhat.com>
1310 Jakub Jelinek <jakub@redhat.com>
1312 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1313 * builtin-types.def (BT_WORD): Make unsigned.
1314 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1315 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1316 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1317 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1318 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1319 * cgraph.c (decide_is_variable_needed): Look at force_output.
1320 Recurse for emulated tls.
1321 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1322 checks redundant with decide_is_variable_needed.
1323 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1324 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1326 * expr.c (emutls_var_address): New.
1327 (expand_expr_real_1): Expand emulated tls.
1328 (expand_expr_addr_expr_1): Likewise.
1329 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1330 * output.h (emutls_finish): Declare.
1331 * toplev.c (compile_file): Call it.
1332 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1333 address before wrapping in CONST.
1334 * varasm.c (emutls_htab, emutls_object_type): New.
1335 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1336 (get_emutls_object_name, get_emutls_object_type): New.
1337 (get_emutls_init_templ_addr, emutls_decl): New.
1338 (emutls_common_1, emutls_finish): New.
1339 (assemble_variable): When emulating tls, swap decls; generate
1340 constructor for the emutls objects.
1341 (do_assemble_alias): When emulating tls, swap decl and target name.
1342 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1344 * emutls.c: New file.
1345 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1346 tls_object for real tls.
1348 2006-10-04 Zack Weinberg <zackw@panix.com>
1350 Fix bug in constraint-check generator, reported by Rask Ingemann
1352 * genpreds.c (add_constraint): Don't remove anything from the
1354 (write_tm_constrs_h): Detect whether "op" argument is used, and
1355 mark it ARG_UNUSED if it isn't.
1356 (write_insn_const_int_ok_for_constraint): Skip the part of the
1357 expression that would test whether "op" (which is not available
1358 here) is a CONST_INT.
1360 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1363 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1365 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1367 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1368 current Leopard versions.
1369 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1371 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1373 * doc/install.texi: Fix typos.
1375 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1377 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1378 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1379 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1381 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1383 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1384 arg to be struct mach_header_64* instead.
1386 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1389 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1390 side effects after the outer expression's post side effects.
1392 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1394 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1395 comments to reflect actual behavior and relationship between
1396 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1398 * doc/c-tree.texi (Working with declarations): Fix documentation
1399 of FIELD_DECL likewise.
1401 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1404 * doc/extend.texi: Add used variable attribute description.
1406 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1409 * c.opt (Woverride-init): New.
1410 * c-opts.c (c_common_post_options): Default warn_override_init to
1412 * c-typeck.c (add_pending_init, output_init_element): Warn for
1413 overriding initializers without side effects.
1414 * doc/invoke.texi (-Woverride-init): Document.
1417 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1419 PR rtl-optimization/28096
1420 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1421 assignment has already been used as a destination earlier in the block.
1423 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1425 * builtins.c (expand_builtin_setjmp): Delete.
1426 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1427 <BUILT_IN_SETJMP_SETUP>: New case.
1428 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1429 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1430 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1431 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1432 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1433 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1434 (lower_function_body): Initialize it to false. If it is set to true
1435 at the end of the processing, emit the setjmp dispatcher.
1436 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1437 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1438 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1439 on the rhs of the assignment.
1440 (lower_builtin_setjmp): New function.
1441 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1442 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1443 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1444 to detect calls that can go to non-local labels. Use specific
1445 helper to create the abnormal edges associated with them.
1446 <MODIFY_EXPR>: Likewise.
1447 (make_abnormal_goto_edges): New function extracted from...
1448 (make_goto_expr_edges): ...here. Call it for computed gotos.
1449 (simple_goto_p): Minor tweak.
1450 (tree_can_make_abnormal_goto): New predicate.
1451 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1452 (tree_purge_dead_abnormal_call_edges): New function.
1453 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1454 (tree_purge_dead_abnormal_call_edges): Likewise.
1455 (make_abnormal_goto_edges): Likewise.
1456 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1457 Purge all dead abnormal edges if the call was in the last statement.
1458 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1459 (execute_fixup_cfg): If there are non-local labels in the function,
1460 scan the basic blocks and split them at calls that can go to non-local
1461 labels or add missing abnormal call edges. Write down the CFG in the
1463 (pass_fixup_cfg): Remove TODO_dump_func flag.
1464 * unwind-sjlj.c: Poison setjmp.
1465 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1466 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1467 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1468 (DONT_USE_BUILTIN_SETJMP): Document it.
1470 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1473 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1474 to 1 when __ppc64__ is defined.
1475 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1477 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1479 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1481 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1482 * config/ia64/unwind-hpux.c: Delete.
1484 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1486 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1487 on the element before gimplifying it, instead of punting if it is of
1490 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1492 * doc/loop.texi: New file.
1493 * doc/gccint.texi: Reference loop.texi.
1494 * Makefile.in (loop.texi): Add.
1496 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1498 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1500 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1501 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1503 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1505 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1507 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1509 * doc/install.texi: Document required versions of GMP and MPFR.
1511 2006-09-27 Paul Brook <paul@codesourcery.com>
1514 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1516 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1518 * reload1.c (alter_reg): Require the alignment of the stack slot to
1519 be at least reg_max_ref_width bytes.
1520 (scan_paradoxical_subregs): Record the largest width in
1523 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1527 * tree-nested.c (struct nesting_info): Added static_chain_added.
1528 (convert_call_expr): Set static_chain_added when adding static
1529 chain. Handle OMP_PARALLEL and OMP_SECTION.
1531 2006-09-25 Matthias Klose <doko@debian.org>
1533 * doc/invoke.texi: Add missing full stop.
1535 2006-09-25 Richard Henderson <rth@redhat.com>
1537 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1538 before cgraph_function_flags_ready.
1540 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1541 Adam Nemet <anemet@caviumnetworks.com>
1543 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1544 determine_common_wider_type): New functions.
1545 (get_computation_aff): Use them to simplify arithmetic between
1546 UBASE and CBASE if they are shortened from the same type.
1548 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1551 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1552 -2147483647 - 1 instead of 0x80000000.
1554 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1556 * flags.h (HONOR_NANS): Fix typo in comment.
1558 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1560 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1562 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1566 * tree.c (merge_attributes, attribute_list_contained): If both
1567 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1569 * c-typeck.c (comptypes_internal): Don't consider aggregates
1570 in different TUs as compatible if there one set of attributes is
1571 not a subset of the other type's attributes.
1572 (composite_type): Try harder not to create a new aggregate type.
1574 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1576 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1577 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1578 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1579 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1580 than replicating condition above.
1581 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1583 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1584 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1585 the linker by default.
1587 2006-09-22 Mike Stump <mrs@apple.com>
1589 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1592 2006-09-22 Richard Guenther <rguenther@suse.de>
1595 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1596 sort of stack variables stable.
1598 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1601 * explow.c (force_reg): Set REG_POINTER flag according to
1604 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1606 PR tree-optimization/28888
1607 * tree-if-conv.c (combine_blocks): Rewritten.
1608 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1609 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1611 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1613 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1616 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1618 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1620 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1622 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1624 2006-09-21 Roger Sayle <roger@eyesopen.com>
1627 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1628 dw_fde_current_label, to be the start of the function, i.e. the same
1629 value as dw_fde_begin.
1631 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1633 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1634 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1635 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1636 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1637 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1638 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1639 (abs<mode>2, neg<mode>2): Likewise.
1640 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1641 (*mips_abs_ps): New define_insn.
1643 2006-09-20 Josh Conner <jconner@apple.com>
1646 * calls.c (expand_call): Allow reuse of structure return stack
1649 2006-09-20 Paul Brook <paul@codesourcery.com>
1651 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1654 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1656 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1657 clean up terminology.
1659 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1662 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1663 with tablejumps in them.
1665 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1668 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1669 wrap it into TARGET_EXPR.
1671 2006-09-20 Eric Christopher <echristo@apple.com>
1673 * config/i386/i386.c (x86_fisttp): Remove.
1674 * config/i386/i386.h (x86_fisttp): Ditto.
1675 (TARGET_FISTTP): Ditto.
1677 2006-09-19 Eric Christopher <echristo@apple.com>
1679 * doc/tm.texi (OBJC_JBLEN): Describe.
1680 * config/i386/darwin.h (OBJC_JBLEN): Define.
1681 * config/rs6000/darwin.h: Ditto.
1683 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1685 PR rtl-optimization/21299
1686 * reload1.c (reload): Purge invalid ASMs in the final pass.
1688 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1691 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1692 pointers as legitimate constants.
1694 2006-09-19 Paul Brook <paul@codesourcery.com>
1697 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1699 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1701 PR tree-optimization/28887
1702 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1703 component parts from the reference.
1704 (gather_memory_references_ref): Record the reference without the
1705 nonaddressable component parts.
1707 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1710 * c-opts.c (c_common_handle_option): Ignore the -std options
1711 if the input language is assembly.
1713 2006-09-17 Ira Rosen <irar@il.ibm.com>
1716 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1718 (ptr_ptr_may_alias_p): Likewise.
1719 (record_record_differ_p): New function.
1720 (base_object_differ_p): Call record_record_differ_p.
1722 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1725 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1726 away for the expr argument.
1728 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1731 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1732 before using it for dumping after vectorizing loops.
1734 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1735 Jack Howarth <howarth@bromo.med.uc.edu>
1738 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1739 skip on error_mark_node.
1740 (rs6000_darwin64_record_arg_recurse): Likewise.
1742 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1744 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1745 * doc/rtl.texi: Remove related documentation.
1747 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1749 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1752 2006-09-15 Jim Wilson <wilson@specifix.com>
1754 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1755 Handle symbol offsets same as they are handled in ia64_expand_move
1758 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1760 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1761 Add forgotten parameter to the fprintf call.
1763 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1765 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1767 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1769 * doc/contrib.texi: Add my entry.
1771 2006-09-15 Nick Clifton <nickc@redhat.com>
1773 * doc/md.texi (Processor pipeline description): Fix typo in
1774 example of how to use the absence_set directive and reword the
1775 description to make it slightly easier to read.
1777 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1779 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1780 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1781 expanding the number of iterations.
1782 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1784 * cfgrtl.c (emit_insn_at_entry): New function.
1785 * rtl.h (emit_insn_at_entry): Declare it.
1786 * integrate.c (emit_initial_value_sets): Use it.
1788 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1790 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1792 (struct loop_work and related VEC declarations): Delete.
1793 (bfin_dump_loops): Print out new member bad.
1794 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1795 (bfin_scan_loop): Don't recurse.
1796 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1797 loops. No longer need to update outer loops if the current one is
1798 found bad. Move some validitiy checks to bfin_discover_loop.
1799 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1800 but changed not to check for nesting. Also changed to use the new bad
1802 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1803 time. Use bitmap based test to discover loop nesting.
1805 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1807 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1810 2006-09-14 Richard Guenther <rguenther@suse.de>
1811 Kazu Hirata <kazu@codesourcery.com>
1813 PR middle-end/28884.
1814 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1815 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1816 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1817 with TARGET_FUNCTION_VALUE.
1819 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1822 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1824 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1826 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1829 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1832 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1835 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1837 * basic_block.h (bb_has_eh_pred): Fix comment.
1839 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1841 * flow.c (calculate_global_regs_live): Invalidate eh registers
1842 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1843 (propagate_block): Handle eh registers as if they were set at basic
1845 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1847 * global.c (global_conflicts): Make eh registers to conflict with
1848 pseudos live at basic block begin.
1849 * basic_block.h (bb_has_eh_pred): New function.
1851 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1853 PR rtl-optimization/28982
1854 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1855 index of a PRE_MODIFY or POST_MODIFY address.
1856 * reload1.c (inc_for_reload): Use find_replacement on the original
1857 base and index registers.
1859 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1861 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1862 for -Os. Update __m128 alignment requirement.
1864 2006-09-13 Jan Hubicka <jh@suse.cz>
1866 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1868 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1870 PR rtl-optimization/28243
1871 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1872 the insn to which the note was originally attached.
1874 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1875 Roger Sayle <roger@eyesopen.com>
1877 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1878 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1879 on platforms that don't use dwarf for debug info.
1881 2006-09-12 Jason Merrill <jason@redhat.com>
1884 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1885 hard_frame_pointer_rtx after using it to update the frame pointer.
1887 2006-09-12 Roger Sayle <roger@eyesopen.com>
1889 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1890 (TARGET_ASM_CLOSE_PAREN): Likewise.
1891 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1892 (TARGET_ASM_CLOSE_PAREN): Likewise.
1894 2006-09-12 Roger Sayle <roger@eyesopen.com>
1897 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1898 frame information for frames larger than 512 Kbytes on Tru64 when
1899 using the native assembler.
1901 2006-09-12 Roger Sayle <roger@eyesopen.com>
1905 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1906 and symbols. Instead use the implementation from cse.c's hash_rtx.
1908 2006-09-12 Jan Hubicka <jh@suse.cz>
1910 PR rtl-optimization/28071
1911 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1912 (vect_transform_loop): Likewise.
1913 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1914 (new_loop_vec_info): Likewise.
1915 (destroy_loop_vec_info): Likewise.
1916 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1917 (create_stmt_ann): Likewise.
1918 (create_tree_ann): Rename to ...
1919 (create_tree_common_ann): ... this one; allocate only the common part
1921 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1922 (get_value_handle): Likewise.
1923 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1924 get_tree_common_ann.
1925 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1926 (vinfo_for_stmt): Use stmt annotations.
1927 * tree-flow.h (tree_ann_common_t): New type.
1928 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1929 (tree_ann, get_tree_ann, create_tree_ann): New.
1930 * tree-flow-inline.h (get_function_ann): Do more type checking.
1931 (stmt_ann): Likewise.
1932 (tree_ann): Rename to ...
1933 (tree_common_ann): ... this one; return ony common_ann
1934 (get_tree_ann): Rename to ...
1935 (tree_common_ann): This one; return only common_ann.
1936 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1939 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1941 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1942 with_cpu by default.
1944 * dwarf2out.c (dwarf_file_data): New.
1945 (enum dw_val_class): Add dw_val_class_file.
1946 (struct dw_val_struct): Add val_file.
1947 (file_table): Change to a hash table.
1948 (file_table_emitted): Delete.
1949 (file_table_last_lookup_index): Delete.
1950 (emitcount): Delete.
1951 (last_emitted_file): New.
1952 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1953 (init_file_table): Delete.
1954 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1955 (AT_addr): Add comment.
1959 (print_die): Handle dw_val_class_file.
1960 (print_dwarf_line_table): Update for new file table structure.
1961 (attr_checksum): Do checksum a filename.
1962 (same_dw_val_p, same_attr_p): Do compare a filename.
1963 (size_of_die): Handle dw_val_class_file.
1964 (value_format): Likewise.
1965 (output_die): Likewise. Also, call maybe_emit_file here.
1966 (struct file_info): Constify filenames. Make file_idx a pointer
1967 to a struct dwarf_file_data.
1968 (struct dir_info): Constify directory names. Remove 'used' field.
1969 (struct file_name_acquire_data): New.
1970 (file_name_acquire): New.
1971 (output_file_names): Modify to handle new file data structures.
1972 (add_src_coords_attributes): Use add_AT_file.
1973 (add_call_src_coords_attributes): Likewise.
1974 (dwarf2out_imported_module_or_decl): Likewise.
1975 (gen_subprogram_die): Modify for new file data structures.
1976 (gen_variable_die): Likewise.
1977 (file_table_eq): New.
1978 (file_table_hash): New.
1979 (file_table_last_lookup): New.
1980 (lookup_filename): Rewrite to handle new file data structures.
1981 (maybe_emit_file): Rewrite to handle new file data structures.
1982 (dwarf2out_source_line): Always call lookup_filename and
1984 (dwarf2out_init): Create file_table here.
1985 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1986 (file_table_relative_p): New.
1987 (dwarf2out_finish): Change detection of relative filenames
1988 to work with new file data structures. Move output_line_info call
1989 after debug_info output.
1991 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1996 * config/i386/i386.c (override_options): Always default to 16
1997 byte stack boundary.
1999 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2002 * var-tracking.c (dump_dataflow_set): Start dumping at
2004 (clobber_variable_part): Kill only the variable part in
2005 registers holding it, leaving other variables alone.
2007 2006-09-11 Josh Triplett <josh@freedesktop.org>
2009 * doc/extend.texi (Other Builtins): Actually use the macro
2010 argument in the documentation example for
2011 __builtin_types_compatible_p.
2013 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2015 PR rtl-optimization/28726
2016 * sched-deps.c (sched_analyze_reg): New function extracted from...
2017 (sched_analyze_1): ...here. Call it to analyze references to
2018 registers. Treat again writes to a stack register as writing to the
2020 (sched_analyze_2): ...and here. Call it to analyze references to
2021 registers. Treat again reads of a stack register as reading the
2024 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2025 David Edelsohn <edelsohn@gnu.org>
2028 * config/rs6000/spe.md (frob_df_di): Remove %H.
2029 (frob_di_df): Remove %H. Change evmergelo to mr.
2030 (frob_di_df_2): Remove %H. Change evldd to two loads.
2032 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2034 * doc/cpp.texi: Fix names of charset options.
2036 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2039 * config/i386/i386.c (override_options): Use 128-bit
2040 stack boundary always for 64bits.
2042 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2044 PR rtl-optimization/28636
2045 * combine.c (force_to_mode): Test for side-effects before
2046 substituting by zero.
2047 (simplify_shift_const): Likewise for zero or other constants.
2049 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2052 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2055 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2058 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2059 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2060 returned by mode_for_size, rather than the mode of src itself,
2061 to choose between 32-bit and 64-bit patterns.
2062 (mips_mem_fits_mode_p): New function.
2063 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2064 that the size of the source matches the size of the destination.
2065 (mov_<store>l, mov_<store>r): Likewise.
2067 2006-09-10 Eric Christopher <echristo@apple.com>
2069 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2072 2006-09-09 Eric Christopher <echristo@apple.com>
2075 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2078 2006-09-09 Roger Sayle <roger@eyesopen.com>
2079 Nicolas Setton <setton@adacore.com>
2081 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2083 2006-09-10 Andreas Schwab <schwab@suse.de>
2085 * config/m68k/m68k.md (bungt_rev): New pattern.
2087 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2088 Dale Johannesen <dalej@apple.com>
2091 * regclass.c (struct reg_pref): Update documentation.
2092 (regclass): Set prefclass to NO_REGS if memory is the best option.
2093 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2095 2006-09-08 Eric Christopher <echristo@apple.com>
2097 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2098 * config/t-slibgcc-darwin: Support x86_64 multilib.
2099 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2100 Return 1 for x86_64-darwin.
2101 * config/i386/t-darwin: Add m64 multilib.
2102 (LIB2_SIDITI_CONV_FUNCS): Use.
2103 (LIB2FUNCS_EXTRA): Ditto.
2104 * config/i386/darwin.h: Support x86_64.
2105 * config/i386/i386.c (override_options): Turn on flag_pic
2106 for x86_64-darwin. Disable flag_omit_pointer.
2107 (get_pc_thunk_name): Assert !TARGET_64BIT.
2108 (legitimate_address_p): Disable machopic addressing for
2110 (legitimize_pic_address): Ditto.
2111 (ix86_expand_move): Ditto.
2112 (ix86_expand_call): Ditto.
2113 (machopic_output_stub): Ditto.
2114 * config/darwin.c (machopic_select_section): Support literal16.
2115 (machopic_select_rtx_section): Ditto.
2116 * config/darwin-sections.def: Ditto.
2117 * config/darwin-64.c: New.
2119 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2122 * c-tree.h (struct c_arg_info): Add pending_sizes.
2123 * c-parser.c (c_parser_parms_declarator,
2124 c_parser_parms_list_declarator): Initialize pending_sizes.
2125 * c-decl.c (get_parm_info): Initialize pending_sizes.
2126 (get_parm_info): Set pending_sizes.
2127 (grokdeclarator): Call put_pending_sizes for parameters for
2128 function definition only.
2130 2006-09-07 Jason Merrill <jason@redhat.com>
2133 * varasm.c (output_constant): Only strip actual no-op conversions.
2136 * config/i386/i386.c (override_options): Use 128-bit
2137 stack boundary if -msse.
2139 2006-09-07 Eric Christopher <echristo@apple.com>
2141 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2143 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2146 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2148 * dwarf2out.c: Remove strange characters from comment above
2149 dwarf2out_frame_debug_expr.
2151 2006-09-07 Eric Christopher <echristo@apple.com>
2153 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2154 * config/darwin.h: ... to here.
2156 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2158 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2160 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2161 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2163 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2164 TARGET_PARTIAL_FLAG_REG_STALL.
2165 (*ashldi3_cconly_rex64): Likewise.
2166 (*ashlsi3_cmp): Likewise.
2167 (*ashlsi3_cconly): Likewise.
2168 (*ashlsi3_cmp_zext): Likewise.
2169 (*ashlhi3_cmp): Likewise.
2170 (*ashlhi3_cconly): Likewise.
2171 (*ashlqi3_cmp): Likewise.
2172 (*ashlqi3_cconly): Likewise.
2173 (*ashrdi3_cmp_rex64): Likewise.
2174 (*ashrdi3_cconly_rex64): Likewise.
2175 (*ashrsi3_cmp): Likewise.
2176 (*ashrsi3_cconly): Likewise.
2177 (*ashrsi3_cmp_zext): Likewise.
2178 (*ashrhi3_cmp): Likewise.
2179 (*ashrhi3_cconly): Likewise.
2180 (*ashrqi3_cmp): Likewise.
2181 (*ashrqi3_cconly): Likewise.
2182 (*lshrdi3_cmp_rex64): Likewise.
2183 (*lshrdi3_cconly_rex64): Likewise.
2184 (*lshrsi3_cmp): Likewise.
2185 (*lshrsi3_cconly): Likewise.
2186 (*lshrsi3_cmp_zext): Likewise.
2187 (*lshrhi3_cmp): Likewise.
2188 (*lshrhi3_cconly): Likewise.
2189 (*lshrqi2_cmp): Likewise.
2190 (*lshrqi2_cconly): Likewise.
2192 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2195 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2196 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2197 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2198 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2199 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2200 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2201 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2202 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2203 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2204 implement only CC setting effects of shift instructions.
2206 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2208 * doc/contrib.texi: Add myself.
2210 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2213 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2214 was set by the user.
2216 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2219 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2220 (divsi_inv_m1): Use them.
2221 (UNSPEC_DIV_INV_TABLE): New constant.
2223 2006-09-06 James E Wilson <wilson@specifix.com>
2226 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2227 then call count_or_remove_death_notes.
2229 2006-09-06 Jason Merrill <jason@redhat.com>
2232 * tree-inline.c (copy_result_decl_to_var): New fn.
2233 (declare_return_variable): Use it. Call declare_inline_vars here.
2234 (expand_call_inline): Not here.
2236 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2238 * doc/contrib.texi: Update my entry.
2240 2006-09-06 Nick Clifton <nickc@redhat.com>
2242 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2244 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2247 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2248 (canonicalize_induction_variables): Likewise.
2249 (tree_unroll_loops_completely): Likewise.
2250 (tree_ssa_prefetch_arrays): Likewise.
2251 (remove_empty_loops): Likewise.
2252 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2253 TODO_cleanup_cfg instead of directly calling
2254 cleanup_tree_cfg_loop.
2255 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2257 (tree_unroll_loops_completely): Likewise.
2258 (remove_empty_loops): Likewise.
2259 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2260 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2261 of tree_ssa_unswitch_loops.
2262 (tree_ssa_loop_ivcanon): Use the return value of
2263 canonicalize_induction_variables.
2264 (tree_ssa_empty_loop): Use the return value of
2266 (tree_complete_unroll): Use the return value of
2267 tree_unroll_loops_completely.
2268 (tree_ssa_loop_prefetch): Use the return value of
2269 tree_ssa_prefetch_arrays.
2270 * passes.c (execute_todo): Before Cleanup CFG, set
2271 updating_used_alone and after cleanup CFG, call
2272 recalculate_used_alone.
2274 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2277 * tree-vect-transform.c (vectorizable_condition): Move the check
2278 for the type after the check for simple condition.
2280 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2281 Kaz Kojima <kkojima@gcc.gnu.org>
2284 * mode-switching.c (optimize_mode_switching): Make the destination
2285 block of an abnormal edge have no anticipatable mode. Don't
2286 insert mode switching code at the end of the source block of
2289 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2291 PR rtl-optimization/26847
2292 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2293 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2294 (simplify_plus_minus): Count n_constants while filling ops. Replace
2295 qsort with insertion sort. Before going through the array to simplify
2296 pairs, sort it. Delay early exit until after the first sort, exiting
2297 only if no swaps occurred. Simplify pairs in reversed order, without
2298 special-casing the first iteration. Pack ops after simplifying pairs.
2300 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2302 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2303 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2304 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2305 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2307 2006-09-05 Richard Guenther <rguenther@suse.de>
2309 PR tree-optimization/28900
2310 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2311 compound conditional before creating COND_EXPR condition.
2313 2006-09-05 Richard Guenther <rguenther@suse.de>
2315 PR tree-optimization/28905
2316 * tree-vrp.c (fix_equivalence_set): Manually implement
2317 !value_ranges_intersect_p to also handle symbolic ranges.
2319 2006-09-05 Richard Guenther <rguenther@suse.de>
2322 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2325 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2327 PR rtl-optimization/27616
2328 * cse.c (table_size): New static variable.
2329 (new_basic_block): Initialize it to 0.
2330 (remove_from_table): Decrement it.
2331 (insert): Increment it.
2332 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2333 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2334 fold_rtx_mem_1 if under the cap.
2335 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2336 the lookup of the equivalent expression and test for equality of the
2337 first operand of the equivalent expression before in turn looking up
2338 an equivalent constant for the second operand.
2340 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2343 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2344 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2345 pointer, instead of assuming it is possible to derive the
2346 correct args size from a call insn.
2348 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2351 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2352 (fold_builtin_mempcpy): Rename to...
2353 (fold_builtin_memory_op): ... this. Optimize one element copy
2355 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2357 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2358 (expand_builtin_memcpy, expand_builtin_mempcpy,
2359 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2360 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2361 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2362 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2364 2006-09-01 DJ Delorie <dj@redhat.com>
2366 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2367 (stzx_16): Likewise.
2368 ("stzx_24_<mode>"): Likewise.
2369 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2370 ("cmp<mode>_op"): New.
2371 (cmp<mode>): Change to expander; just save operands.
2373 (b<code>): Change to expander, emit compare here.
2374 (s<code>_op): Change to use split and expander.
2375 (s<code>_24_op): Likewise.
2376 (s<code>_<mode>): New.
2377 (s<code>_<mode>_24): New.
2378 (movqicc_<code>_<mode): New.
2379 (movhicc_<code>_<mode>): New.
2382 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2383 (m32c_pend_compare): New.
2384 (m32c_unpend_compare): New.
2385 (m32c_expand_scc): New.
2386 (m32c_expand_movcc): Emit the compare also.
2387 * config/m32c/predicates.md (mra_nopp_operand): New.
2389 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2390 Richard Guenther <rguenther@suse.de>
2391 Adam Nemet <anemet@caviumnetworks.com>
2394 * builtins.c (get_pointer_alignment): Handle more forms
2395 of base addresses that can be used to derive more precise
2396 information about alignment.
2398 2006-09-01 Jason Merrill <jason@redhat.com>
2401 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2404 * gimplify.c (voidify_wrapper_expr): Handle null type.
2406 2006-09-01 Josh Conner <jconner@apple.com>
2409 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2410 (execute_return_slot_opt): Use it.
2412 2006-08-31 Josh Conner <jconner@apple.com>
2415 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2416 returning aggregates.
2418 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2420 PR tree-optimization/28839
2421 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2422 blocks in that phi arguments appear.
2424 2006-08-31 Roger Sayle <roger@eyesopen.com>
2427 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2428 NULL, otherwise use an advance_loc4 to adjust relative to the
2430 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2431 (dwarf2out_switch_text_section): Reset the current label to avoid
2432 using advance_loc4 over section boundaries.
2434 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2437 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2438 r12 + SYMBOLIC_CONST.
2440 2006-08-30 Richard Guenther <rguenther@suse.de>
2442 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2444 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2446 PR rtl-optimization/27735
2447 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2448 Add new argument to keep track of whether an irreducible region
2449 was affected. All callers changed.
2450 (fix_irreducible_loops): Removed.
2451 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2452 flags were invalidated.
2454 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2456 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2457 instead of SF operands.
2458 (*fop_df_comm_sse): Likewise.
2459 (*fop_df_comm_i387): Likewise.
2460 (*fop_df_1_mixed): Likewise.
2461 (*fop_df_1_sse): Likewise.
2463 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2464 J"orn Rennecke <joern.rennecke@st.com>
2466 PR tree-optimization/17506
2467 * tree-ssa.c (warn_uninit): If warning about a location outside of
2468 the current function, note where the variable was declared.
2470 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2472 PR tree-optimization/28411
2473 * double-int.c (double_int_div): Use double_int_divmod.
2474 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2475 double_int_mod, double_int_smod, double_int_umod): New functions.
2476 * double-int.h (double_int_divmod, double_int_sdivmod,
2477 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2479 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2481 (get_computation_aff, get_computation_cost_at): Handle double_int
2482 return type of constant_multiple_of.
2484 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2487 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2488 an implicit conversion.
2490 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2492 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2494 2006-08-27 Roger Sayle <roger@eyesopen.com>
2496 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2499 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2501 * config/i386/crtfastmath.c: Fix a comment typo.
2503 2006-08-26 Roger Sayle <roger@eyesopen.com>
2505 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2506 temporary visit flags on CASE_LABEL_EXPRs.
2507 * c-common.c (match_case_to_enum): Add function comment. Avoid
2508 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2509 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2510 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2511 a constant, only warn if that constant value isn't handled.
2513 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2516 * input.h (restore_input_file_stack): Declare.
2517 (INPUT_FILE_STACK_BITS): Define.
2518 * toplev.c (fs_p, input_file_stack_history,
2519 input_file_stack_restored, restore_input_file_stack): New.
2520 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2521 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2522 (pop_srcloc): Don't free old state of stack.
2524 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2527 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2528 (PowerPC Type Attributes): New.
2530 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2532 * config/xtensa/xtensa.c (function_arg_boundary): New.
2533 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2535 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2536 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2538 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2541 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2544 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2546 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2547 (verify_local_live_at_start): Likewise.
2549 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2552 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2553 omp_add_variable): Treat sizes as variable whenever not
2556 2006-08-26 Richard Guenther <rguenther@suse.de>
2559 * fold-const.c (fold_binary): Fold temporary to correct
2560 type before constructing new comparison.
2562 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2565 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2566 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2568 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2571 * c-decl.c (start_function): Don't try to process prototype
2572 information from old declaration that isn't a function.
2574 2006-08-25 Jan Hubicka <jh@suse.cz>
2577 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2579 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2582 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2585 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2587 PR tree-optimization/16876
2588 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2589 exit if PARM doesn't match VALUE.
2591 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2593 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2594 literal_prefix directive.
2595 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2596 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2597 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2599 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2602 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2603 predicate to general_operand. Add 0->y and I->r alternatives.
2605 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2607 * doc/tm.texi: Fix a typo.
2608 * predict.c: Fix comment typos.
2610 2006-08-25 Nick Clifton <nickc@redhat.com>
2612 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2613 assertions of "cpu" and "machine".
2615 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2618 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2619 the access through a base which has an alias set of 0 cannot
2622 2006-08-24 Bill Wendling <wendling@apple.com>
2624 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2626 2006-08-24 Jan Hubicka <jh@suse.cz>
2628 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2630 2006-08-24 Jan Hubicka <jh@suse.cz>
2633 * cgraph.c: Fix comments.
2634 (cgraph_varpool_mark_needed_node): Mark only variables not already
2636 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2637 (cgraph_varpool_assembled_nodes_queue): New static variable.
2638 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2639 (cgraph_varpool_output_debug_info): New function.
2640 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2641 * Makefile.in: Add gt-cgraphunit.h
2643 2006-08-24 Jan Hubicka <jh@suse.cz>
2645 * predict.c (probability_reliable_p): New predicate.
2646 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2647 (predict_loops): Do not predict loop exit with less than 2%
2649 * basic-block.h (edge_probability_reliable_p,
2650 br_prob_note_reliable_p): Declare.
2651 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2652 prediction when static predictor is not reliable.
2653 * rs6000.c (output_cbranch): Likewise.
2655 2006-08-23 Stuart Hastings <stuart@apple.com>
2658 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2659 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2661 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2664 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2665 complex values, nor for generic vector values.
2667 2006-08-22 Richard Guenther <rguenther@suse.de>
2670 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2671 parameter. Convert arguments to arithmetic expression to the
2673 (analyze_scalar_evolution_1): Adjust caller.
2675 2006-08-22 Jan Hubicka <jh@suse.cz>
2677 Patch by Paolo Bonzini
2678 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2681 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2683 PR tree-optimization/28003
2684 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2685 before grouping aliases.
2687 2006-08-22 Roger Sayle <roger@eyesopen.com>
2689 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2690 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2692 2006-08-21 Jason Merrill <jason@redhat.com>
2695 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2696 wrapper. Loop to handle nested wrappers.
2697 (gimplify_bind_expr): Remove temp parameter.
2698 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2699 and STATEMENT_LIST on the rhs.
2700 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2701 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2702 (gimplify_target_expr): Remove special BIND_EXPR handling.
2704 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2706 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2709 2006-08-21 Olivier Hainque <hainque@adacore.com>
2711 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2712 Arrange for the temporary captures of components overlapping the lhs
2713 to happen before the lhs is possibly cleared.
2715 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2717 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2718 necessary places to pass the correct "number of registers" values
2721 2006-08-20 Jan Hubicka <jh@suse.cz>
2723 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2724 (create_name_tags): Instead of quadratic checking use hashtable.
2725 * bitmap.h: Include hashtab.h.
2726 (bitmap_hash): Declare.
2727 * bitmap.c (bitmap_hash): New function.
2729 2006-08-20 Jan Hubicka <jh@suse.cz>
2731 PR rtl-optimization/28071
2732 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2734 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2735 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2736 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2737 cgraph_decide_inlining_incrementally): Update use of
2738 cgraph_check_inline_limits.
2739 * cgraph.c (edge_hash, edge_eq): New function.
2740 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2741 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2742 cgraph_remove_node): Maintain call site hash.
2743 * cgraph.h (struct cgraph_node): Add call_site_hash.
2744 (cgraph_set_call_stmt): New function.
2746 2006-08-20 Jan Hubicka <jh@suse.cz>
2748 PR rtl-optimization/28071
2749 * reload1.c (reg_has_output_reload): Turn into regset.
2750 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2751 choose_reload_regs, emit_reload_insns): Update to new
2752 reg_has_output_reload.
2754 2006-08-20 Jan Hubicka <jh@suse.cz>
2757 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2758 function body sizes.
2759 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2761 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2764 * tree.c (handle_dll_attribute): Return early if not a
2765 var or function decl.
2767 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2770 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2771 alignment of SPE vector types.
2773 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2775 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2777 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2780 * cgraph.h (struct cgraph_node): Remove externally_visible
2782 * cgraphunit.c (process_function_and_variable_attributes): Set
2783 local.externally_visible rather than externally_visible.
2786 * c-common.c (handle_externally_visible_attribute): First look
2787 at TREE_CODE and only if it is function or var decl, check for
2788 non-public objects. Don't warn for DECL_EXTERNAL.
2789 * cgraphunit.c (process_function_and_variable_attributes): Warn
2790 if externally_visible attribute is used on non-public object.
2792 2006-08-17 Jan Hubicka <jh@suse.cz>
2794 PR tree-optimization/27865
2795 * reload1.c (forget_marked_reloads): New function.
2796 (forget_old_reloads_1): When data are passed, just mark the registers
2798 (reload_as_needed): Use the new mechanizm.
2800 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2803 * reload.h (reg_equiv_alt_mem_list): New declaration.
2804 * reload1.c (reg_equiv_alt_mem_list): New definition.
2805 (reload): Initialize it and release it.
2806 (delete_output_reload): Use it.
2807 * reload.c (push_reg_equiv_alt_mem): New function.
2808 (find_reloads_toplev): Call it.
2809 (find_reloads_address, find_reloads_address_1): Likewise.
2810 (find_reloads_subreg_address): Likewise.
2812 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2814 PR rtl-optimization/28489
2815 * sched-ebb.c (begin_schedule_ready): Create basic block
2817 (advance_target_bb): Skip empty blocks.
2818 * haifa-sched.c (bb_note): Make global.
2819 * sched-int.h (bb_note): Add prototype.
2821 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2823 PR tree-optimization/27865
2824 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2826 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2827 fold_used_pointer, pointer_used_p): New functions.
2828 (analyze_scalar_evolution_1): Use fold_used_pointer.
2829 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2830 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2833 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2836 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2837 or the INTEGER_CST. Fail on a CALL_EXPR.
2838 (fold_offsetof): Pass new argument to fold_offsetof_1.
2839 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2840 operand into an INDIRECT_REF.
2841 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2843 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2845 PR gcov/profile/26570
2846 * value-prof.c (static_values): Removed.
2847 (tree_find_values_to_profile): Do not set static_values.
2848 (find_values_to_profile): Do not free static_values.
2849 * profile.c (instrument_values): Do not free the values.
2850 (branch_prob): Free the values.
2852 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2854 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2856 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2859 * c-typeck.c (build_component_ref): Combine qualifiers of
2860 structure or union and field.
2862 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2864 PR rtl-optimization/28071
2865 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2866 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2867 * tree-into-ssa.c (struct dom_dfsnum): New.
2868 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2870 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2871 compute_global_livein.
2872 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2873 in phi nodes in the correct blocks.
2875 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2877 PR tree-optimization/28364
2878 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2880 (fold_affine_expr): New function.
2881 (may_eliminate_iv): Use fold_affine_expr.
2883 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2886 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2889 2006-08-16 Mike Stump <mrs@apple.com>
2891 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2892 * doc/cppopts.texi (-MD): Likewise.
2894 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2897 * c-common.c (handle_weak_attribute): Ignore and warn if
2898 not a FUNCTION_ or VAR_DECL.
2900 2006-07-15 Mike Stump <mrs@apple.com>
2903 * c-parser.c (c_parser_typeof_specifier): Don't use
2904 c_finish_expr_stmt, open code desired semantics instead.
2906 2006-08-15 Nick Clifton <nickc@redhat.com>
2908 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2909 fragment to tmake_file only if threads are enabled.
2910 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2911 * config/i386/t-gthr-win32: New file. ... here.
2913 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2916 * c-parser.c (c_parser_compound_statement_nostart): Reset
2917 parser->error after each statement.
2919 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2922 * omp-low.c (lower_omp_parallel): Convert t to
2923 receiver_decl's type.
2924 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2925 source before comparison.
2928 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2929 to itype in assignment to oldival2.
2931 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2935 * c-typeck.c (build_compound_expr): If the second expression
2936 is an error mark, then just return an error mark instead of
2937 creating a COMPOUND_EXPR.
2939 2006-07-14 Mike Stump <mrs@apple.com>
2941 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2943 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2945 * c-decl.c, var-tracking.c: Fix comment typos.
2947 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2949 PR rtl-optimization/28634
2950 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2951 for floating-point modes unless flag_unsafe_math_optimizations.
2953 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2954 Andrew Pinski <pinskia@physics.uc.edu>
2957 * tree.c (build_array_type): Unify array types with
2958 unspecified index_type.
2959 * c-decl.c (grokdeclarator): Make sure we do not modify a
2960 unified incomplete array type.
2961 * c-typeck.c (store_init_value): Create distinct type before
2962 filling in the index type in an initializer from a compound
2965 * c-decl.c (grokdeclarator): Remove code where we copy the
2968 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2970 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2971 into account for TODO_dump_cgraph.
2972 (TODO_update_ssa_no_phi): Likewise.
2973 (TODO_update_ssa_full_phi): Likewise.
2974 (TODO_update_ssa_only_virtuals): Likewise.
2975 (TODO_remove_unused_locals): Likewise.
2976 (TODO_set_props): Likewise.
2977 (TODO_update_stmt_usage): Likewise.
2979 2006-08-13 Dirk Mueller <dmueller@suse.de>
2981 * c-common.c (strict_aliasing_warning): Fix formatting.
2983 2006-08-13 Matthias Klose <doko@debian.org>
2985 * doc/invoke.texi: Fix spelling errors.
2987 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2989 PR rtl-optimization/23454
2990 * reorg.c (relax_delay_slots): Update comment.
2992 2006-08-11 Richard Guenther <rguenther@suse.de>
2995 * simplify-rtx.c (simplify_const_relational_operation):
2996 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2999 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3001 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3002 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3004 2006-08-10 Paul Brook <paul@codesourcery.com>
3006 * final.c (final_scan_insn): Clear current_insn_predicate before
3007 outputting inline asm.
3009 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3011 PR tree-optimization/26197
3012 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3013 get_ref_base_and_extent and overlap_subvar to add only relevant
3014 subvars as may-aliases.
3015 (add_may_alias_for_new_tag): New function, factored out of
3017 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3018 with additional argument.
3019 * tree-flow.h (new_type_alias): Takes additional argument.
3021 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3023 * gcov.c (no_data_file): New flag.
3024 (read_count_file): Set it if data file not present. Assume counts
3026 (output_lines): Don't name the data file, if there wasn't one.
3028 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3030 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3031 (rs6000_generate_compare): Tweak comments.
3032 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3034 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3036 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3037 (var_debug_decl): New function.
3038 (var_reg_set): Follow debug decl link. Add location even if
3039 reg is already known to hold some other variable.
3040 (var_mem_set): Follow debug decl link.
3041 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3042 decl link. Delete other known locations of the variable part
3044 (var_reg_delete, var_mem_delete): Delete other known locations
3045 of the variable part if requested.
3046 (same_variable_part_p): New function.
3047 (add_stores): Select MO_COPY when appropriate.
3048 (vt_initialize): Handle it.
3049 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3050 known locations for MO_SET and MO_CLOBBER.
3051 (find_variable_location_part): New function.
3052 (set_variable_part, delete_variable_part): Use it.
3053 (clobber_variable_part): New function.
3054 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3057 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3059 PR tree-optimization/26969
3060 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3061 with an empty list of PHIs.
3063 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3067 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3070 2006-08-06 Andreas Schwab <schwab@suse.de>
3072 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3073 string. Whitespace and comment fixup.
3075 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3078 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3082 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3085 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3087 2006-08-04 Jan Hubicka <jh@suse.cz>
3091 * reload.c (push_reload): Patch out the mismatching instruction;
3093 (find_reload): Bail out if the instruction was patched out.
3095 2006-08-04 Jan Hubicka <jh@suse.cz>
3097 PR tree-optimization/24888
3098 * tree-inline.c (expand_call_inline): Do not re-record variables.
3099 (declare_inline_vars): Add variable to unexpanded_var_list.
3101 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3102 Roger Sayle <roger@eyesopen.com>
3104 PR rtl-optimization/26244
3105 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3106 inner_const are negative or greater than or equal to the bitsize of
3107 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3108 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3109 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3110 CONST0_RTX (mode) when the new shift count is greater than or equal to
3111 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3114 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3116 * tree-cfg.c: Fix a comment typo.
3118 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3121 * varasm.c (output_constant): Give the front end another chance to
3122 expand constants, after stripping NOPs.
3124 2006-08-03 Jan Hubicka <jh@suse.cz>
3126 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3129 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3131 PR tree-optimization/27770
3132 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3133 declaration removed (moved to tree-flow.h).
3134 (vect_can_force_dr_alignment_p): Likewise.
3135 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3136 (moved from tree-vectorizer.h).
3137 (vect_can_force_dr_alignment_p): Likewise.
3138 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3139 from outside the vectorizer - in particular from cgraph stage.
3140 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3141 the alignment of global arrays when -fsection-anchors is enabled.
3142 * cgraphunit.c (cgraph_increase_alignment): New function.
3143 (cgraph_optimize): Call cgraph_increase_alignment.
3145 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3148 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3149 not reload a SPE symbol_ref into a lo_sum address.
3151 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3154 * dwarf2out.c (prune_unused_types_prune): Move call to
3155 prune_unused_types_update_strings to cover the parent DIE also.
3157 2006-08-02 Jan Hubicka <jh@suse.cz>
3159 PR gcov/profile/28480
3160 * tree-cfg.c (change_bb_for_stmt): New function.
3161 (tree_merge_blocks, tree_split_blocks): Use it.
3163 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3169 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3170 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3171 (cgraph_optimize): Likewise.
3173 2006-08-01 Stuart Hastings <stuart@apple.com>
3175 * rtl.h (UINTVAL) New.
3176 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3177 * testsuite/gcc.dg/20060801-1.c: New.
3179 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3182 * c-typeck.c (build_external_type): Mark used enum types.
3183 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3185 (gen_subprogram_die): Whitespace fix.
3187 2006-08-01 Jan Hubicka <jh@suse.cz>
3189 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3190 bitmap when not needed.
3191 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3194 2006-08-01 Dirk Mueller <dmueller@suse.de>
3196 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3198 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3200 * Makefile.in: Revert part of previous patch:
3201 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3204 2006-07-30 Eric Christopher <echristo@apple.com>
3207 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3208 (PowerPC Variable Attributes): New section.
3210 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3212 PR target/28126 (partial fix)
3213 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3215 2006-07-28 Jan Hubicka <jh@suse.cz>
3217 PR rtl-optimization/28071
3218 * cfgrtl.c (rtl_delete_block): Free regsets.
3219 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3221 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3223 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3224 and variables used in dependencies.
3226 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3228 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3229 %fs for -mcmodel=kernel.
3230 (stack_tls_protect_test_di): Likewise.
3232 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3234 * Makefile.in: Use mkinstalldirs.
3236 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3239 * opts-common.c (prune_options): Skip joined switches.
3241 2006-07-27 Jan Hubicka <jh@suse.cz>
3243 PR rtl-optimization/28071
3244 * cselib.c (cselib_process_insn): Don't remove useless values too
3245 often for very large hashtables.
3247 2006-07-27 Jan Hubicka <jh@suse.cz>
3249 PR rtl-optimization/28071
3250 * global.c (greg_obstack): New obstack.
3251 (allocate_bb_info): Use it.
3252 (free_bb_info): Likewise.
3253 (modify_reg_pav): Likewise.
3255 2006-07-27 Roger Sayle <roger@eyesopen.com>
3257 * builtins.c (fold_fixed_mathfn): When long and long long are the
3258 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3259 functions to their lceil*, lfloor*, lround* and lrint* forms.
3261 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3264 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3266 (rev_branch_insn): Likewise.
3268 2006-07-27 Jan Hubicka <jh@suse.cz>
3270 PR rtl-optimization/28071
3271 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3272 (reg_set_in_bb, max_reg_computed): New static variables.
3273 (regmove_optimize): Free the new array.
3274 (fixup_match_1): Update call of reg_is_remote_constant_p.
3276 2006-07-26 Jan Hubicka <jh@suse.cz>
3278 PR tree-optimization/27882
3279 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3281 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3283 (cgraph_analyze_compilation_unit): Likewise.
3284 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3285 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3286 (cgraph_early_inlinine): Make order garbage collected.
3287 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3289 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3291 * dbxout.c (output_types_sort): Add a comment.
3292 (output_used_types): Free the VEC.
3294 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3296 * function.c (reorder_fix_fragments): Delete.
3297 (reorder_blocks): Don't call it.
3298 (reorder_blocks_1): Put all subblocks under the origin block.
3300 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3302 PR rtl-optimization/27907
3303 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3306 2006-07-25 Roger Sayle <roger@eyesopen.com>
3309 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3310 bar(x) check that bar's result type can represent all the values of T.
3312 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3314 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3316 2006-07-25 Nick Clifton <nickc@redhat.com>
3318 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3319 size_lookup[] array.
3320 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3321 (ggc_pch_count_object): Likewise.
3322 (ggc_pch_alloc_object): Likewise.
3323 (ggc_pch_write_object): Likewise.
3324 (init_ggc): Do not attempt to initialize entries in the
3325 size_lookup[] array for objects whose size is greater than than
3326 the length of the array.
3328 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3330 * dbxout.c (output_used_types_helper): Push queued types
3332 (output_types_sort): New.
3333 (output_used_types): Collect used types on a VEC and sort them
3336 2006-07-24 Richard Guenther <rguenther@suse.de>
3339 * cgraph.c (cgraph_remove_node): Do not check if dumps
3341 * cgraphunit.c (cgraph_optimize): Likewise.
3343 2006-07-24 Jan Hubicka <jh@suse.cz>
3345 PR rtl-optimization/28071
3346 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3347 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3348 splitting before first stmt.
3350 2006-07-24 Jan Hubicka <jh@suse.cz>
3352 PR rtl-optimization/28071
3353 * ipa-inline.c (update_caller_keys): Remove edges that
3354 are no longer inline candidates.
3356 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3359 * dbxout.c (output_used_types_helper, output_used_types): New.
3360 (dbxout_symbol): Call output_used_types.
3362 2006-07-23 Jan Hubicka <jh@suse.cz>
3366 * cgraph.c (cgraph_varpool_nodes): Export.
3367 (decide_is_variable_needed): Ignored "used" attribute in
3368 unit-at-a-time mode.
3369 * cgraph.h (cgraph_varpool_nodes): Declare.
3370 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3371 unit-at-a-time mode.
3373 2006-07-23 Roger Sayle <roger@eyesopen.com>
3376 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3377 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3378 the __gthrw form of thr_keycreate.
3379 (__gthread_key_delete): Silence the unused argument warning.
3381 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3384 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3385 Cache the last found '\0' marker to avoid quadratic behavior.
3387 2006-07-23 Jan Hubicka <jh@suse.cz>
3389 * i386.md (subsi_3_zext): Fix output template.
3391 2006-07-21 Mike Stump <mrs@apple.com>
3393 * doc/invoke.texi (C++ Dialect Options): Note that
3394 -fvisibility-inlines-hidden doesn't affect explicitly
3395 instantiationed inline methods.
3397 2006-07-20 Roger Sayle <roger@eyesopen.com>
3399 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3400 if the target assembler is GNU binutils' gas.
3401 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3402 whether to pass GNU gas or native as command line options.
3404 2006-07-20 Jason Merrill <jason@redhat.com>
3406 * tree.c (remove_attribute): New fn.
3407 * tree.h: Declare it.
3409 2006-07-20 Paul Brook <paul@codesourcery.com>
3412 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3413 they are invalidated by this instruction.
3415 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3418 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3420 2006-07-20 Eric Christopher <echristo@apple.com>
3423 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3425 2006-07-19 Eric Christopher <echristo@apple.com>
3427 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3428 Rewrite dependencies for libgcc_s.1.dylib.
3430 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3432 * except.c (duplicate_eh_regions_1): Clear next_peer.
3434 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3436 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3437 -mlongcall does not guarantee all calls will be long.
3438 * doc/extend.texi (long_call/short_call): Document that longcall
3439 does not guarantee a long call will be used.
3440 (longcall/shortcall): Likewise.
3442 2006-07-18 Roger Sayle <roger@eyesopen.com>
3445 * expmed.c (expand_shift): Additionally check that the shift_cost
3446 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3447 before implementing a LSHIFT_EXPR as a sequence of additions.
3448 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3449 middle-end that DImode shifts need to be synthesized by expand.
3451 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3454 * tree-ssa-operands.c (access_can_touch_variable): Update
3456 Return true if ALIAS is .GLOBAL_VAR.
3458 2006-07-18 David Daney <ddaney@avtrex.com>
3460 * gcc.c (display_help): Fix typo in help text.
3462 2006-07-18 Olivier Hainque <hainque@adacore.com>
3464 * tree.h (categorize_ctor_elements): Adjust prototype and add
3465 descriptive comment, both in accordance with the interface change
3467 * varasm.c (constructor_static_from_elts_p): New function.
3468 Whether a constructor node is a valid static constant initializer
3469 if all its elements are.
3470 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3471 * output.h: Declare it.
3472 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3473 is a valid constant initializer instead of computing the number of
3474 non-constant elements. Use constructor_static_from_elts_p for this
3475 purpose. Replace the head comment with an indication that this is a
3476 helper for categorize_ctor_elements.
3477 (categorize_ctor_elements): Same interface change as for the _1
3478 helper. Former head comment from this helper moved here, adjusted to
3479 account for the interface changes.
3480 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3481 (all_zeros_p): Likewise.
3482 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3483 static versions of the constructor from the categorize_ctor_elements
3484 return value instead of the formerly computed number of non-constant
3487 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3489 * configure: Regenerate.
3490 * Makefile.in (build_libsubdir): New configure substitution
3491 (build_libobjdir): New variable.
3492 (BUILD_LIBIBERTY): Use it.
3494 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3497 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3499 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3502 * c-common.c (handle_weakref_attribute): Ignore attribute in
3503 the same conditions the alias attribute is ignored.
3505 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3507 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3508 (dbxout_begin_prologue): Increment scope_labelno.
3510 2006-07-17 Richard Henderson <rth@redhat.com>
3513 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3516 2006-07-17 Roger Sayle <roger@eyesopen.com>
3517 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3519 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3520 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3521 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3522 functions such as sbrk, write, etc.. Add function prototypes.
3523 Convert function declarations from K&R to ISO C. Cast pointers
3524 to "long" and "unsigned long" instead of "int" and "unsigned int".
3525 Convert tokens following #endif into comments.
3527 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3529 * invoke.texi: Remove mention of f77; Reformat table for
3530 inline parameter options correctly; mention that -malign-double
3531 is default on x86-64 targets.
3533 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3535 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3536 (convert_affine_scev, chrec_convert_aggressive): Use
3537 avoid_arithmetics_in_type_p. Do not check for the subtypes
3540 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3543 * optabs.c (expand_doubleword_shift): Wrap the call to
3544 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3546 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3549 * optabs.c (expand_binop): Pass next_methods rather than methods
3550 to expand_doubleword_shift.
3552 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3555 * tree.h (dump_addr): Declare.
3556 * print-tree.c (dump_addr): New function.
3557 (print_node_brief, print_node): Use it.
3558 * print-rtl.c (print_rtx): Likewise.
3559 * common.opt (-fdump-noaddr): New option.
3560 * doc/invoke.texi (-fdump-noaddr): Document.
3561 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3562 (ve_info_hash): Likewise.
3564 2006-07-13 Andrew Haley <aph@redhat.com>
3566 PR tree-optimization/19505
3567 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3568 edge leaving this block, make sure that the destination of this
3569 block has only one predecessor.
3571 2006-07-17 Richard Guenther <rguenther@suse.de>
3573 PR tree-optimization/28238
3574 * tree-inline.c (copy_bb): Check if we produced valid
3575 gimple copying and substituting a stmt. If not, gimplify
3578 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3580 * optabs.c (maybe_encapsulate_block): New function extracted from...
3581 (emit_libcall_block): ...here. Invoke it on the block of insns to
3582 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3583 (emit_no_conflict_block): Likewise.
3585 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3587 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3589 2006-07-15 Roger Sayle <roger@eyesopen.com>
3591 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3592 a new NOP_EXPR case of the switch statement.
3594 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3597 * stor-layout.c (place_field): Take the bit field with
3598 an excessive size into account in the ms-bitfiled case.
3601 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3602 the previous bit field.
3604 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3607 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3609 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3611 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3612 signal frames correctly even when the signal was installed with
3615 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3617 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3618 (dbxout_function_end): Use local label LFBB. Remove hook
3620 (dbxout_source_line): Use local label LFBB.
3621 (dbxout_block): Likewise.
3622 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3623 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3624 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3625 and DBX_OUTPUT_NFUN.
3627 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3629 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3631 2006-07-13 Jan Hubicka <jh@suse.cz>
3633 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3635 * output.h (align_variable): Declare.
3636 * varasm.c (align_variable): Export.
3637 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3638 when basic block changed.
3640 2006-07-13 Nick Clifton <nickc@redhat.com>
3642 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3643 walking the LOG_LINKS chain.
3645 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3647 * doc/invoke.texi (C++ Dialect Options): Explain difference
3648 between -fvisibility-inlines-hidden and setting hidden
3649 visibility explicitly.
3651 2006-07-12 Eric Christopher <echristo@apple.com>
3653 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3654 (stmp-lipo): Depend on libgcc.a.
3656 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3658 * tree.c: Fix a comment typo.
3660 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3662 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3664 (umulhisi3_r): Likewise.
3666 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3669 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3670 x < 19, vs wchar_t support.
3672 2006-07-12 Nick Clifton <nickc@redhat.com>
3674 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3675 instead of -isa=sh4.
3677 2006-07-12 Mike Stump <mrs@apple.com>
3679 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3681 2006-07-10 Eric Christopher <echristo@apple.com>
3683 * config/t-slibgcc-darwin: Rewrite.
3685 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3688 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3691 2006-07-08 Matthias Klose <doko@debian.org>
3693 * doc/sourcebuild.texi: Fix typo.
3695 2006-07-07 Mike Stump <mrs@apple.com>
3697 * toplev.c (process_options): Don't give -ffunction-sections may
3698 affect debugging warning for Mach-O.
3700 2006-07-07 James E Wilson <wilson@specifix.com>
3702 * config/mips/mips.md (cpu): Add sb1a.
3703 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3704 addition to sb1. Adjust comments to clarify SB-1A differences from
3706 (ir_sb1a_load): New. Modify bypasses to use it.
3707 (ir_sb1a_simple_alu): Likewise.
3708 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3709 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3710 (mips_issue_rate): Add PROCESSOR_SB1A.
3711 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3712 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3713 (TARGET_SB1): Add PROCESSOR_SB1A check.
3714 (TUNE_SB1): Likewise.
3716 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3717 * config/mips/mips.c (mips_store_data_bypass_p): New.
3718 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3719 store_data_bypass_p.
3721 2006-07-08 Paul Brook <paul@codesourcery.com>
3724 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3726 2006-07-07 Richard Guenther <rguenther@suse.de>
3729 * tree.h (build_one_cst): Declare.
3730 * tree.c (build_one_cst): New function.
3731 * tree-ssa-math-opts.c (get_constant_one): Remove.
3732 (insert_reciprocals): Use build_one_cst.
3733 * fold-const.c (fold_plusminus_mult): Likewise.
3735 2006-07-07 Roger Sayle <roger@eyesopen.com>
3737 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3738 * cfgloopanal.c (dump_graph): Likewise.
3739 * dojump.c (discard_pending_stack_adjust): Likewise.
3740 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3742 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3743 * function.c (finalize_block_changes): Likewise.
3744 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3745 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3746 * rtl.c (dump_rtx_statistics): Likewise.
3747 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3749 * varray.c (dump_varray_statistics): Likewise.
3750 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3751 decode_decimal64, encode_decimal128, decode_decimal128,
3752 decimal_real_to_decimal): Likewise.
3754 2006-07-07 Richard Guenther <rguenther@suse.de>
3756 PR tree-optimization/28187
3757 * tree-vrp.c (vrp_operand_equal_p): New function.
3758 (vrp_bitmap_equal_p): Likewise.
3759 (update_value_range): Use them to compare old and new
3762 2006-07-06 Roger Sayle <roger@eyesopen.com>
3764 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3765 a default case to switch statement to silence compiler warnings.
3767 2006-07-06 Roger Sayle <roger@eyesopen.com>
3770 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3771 the configured assembler supports the x87's ffreep mnemonic.
3772 * configure: Regenerate.
3773 * config.in: Regenerate.
3775 * config/i386/i386.c (output_387_ffreep): New function.
3776 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3777 (output_387_reg_move): Likewise.
3779 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3781 Port to hosts whose 'sort' and 'tail' implementations
3782 treat operands with leading '+' as file names, as POSIX
3783 has required since 2001. However, make sure the code still
3784 works on pre-POSIX hosts.
3785 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3786 which says you should use "tail -c +N" rather than "tail +Nc".
3787 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3789 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3791 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3794 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3797 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3798 PRE_{INC,DEC} of TFmode.
3800 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3801 Alan Modra <amodra@bigpond.net.au>
3804 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3807 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3810 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3811 Remove duplicate gtu.
3813 2006-07-05 Jason Merrill <jason@redhat.com>
3817 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3818 * c-common.c (handle_packed_attribute): So don't copy it here.
3819 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3821 2006-07-05 Mike Stump <mrs@apple.com>
3823 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3825 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3828 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3830 2006-07-05 Richard Guenther <rguenther@suse.de>
3833 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3834 TARGET_SSE2 targets if using SSE math.
3835 (*absdf2_1): Likewise.
3837 2006-07-05 Richard Guenther <rguenther@suse.de>
3839 PR tree-optimization/28162
3840 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3841 make sure to convert the operands to the correct type.
3843 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3845 PR tree-optimization/28218
3847 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3848 to calculate and free the dominator information.
3850 2006-07-04 Peter O'Gorman <peter@pogma.com>
3852 * mklibgcc.in: chmod 644 before ranlib during install.
3854 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3855 J"orn Rennecke <joern.rennecke@st.com>
3857 * configure.ac (.eh_frame data check): Use diff -b.
3859 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3862 * Makefile.in (BUILD_RTL): Add build/vec.o.
3863 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3864 (build/genextract): Delete.
3865 (build/genautomata): Likewise.
3867 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3870 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3871 128-bit IBM long doubles for ABI_V4.
3873 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3875 * tree.c (range_in_array_bounds_p): New predicate.
3876 * tree.h (range_in_array_bounds_p): Declare it.
3877 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3878 return a less conservative answer.
3879 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3880 and flag 'is_group'.
3881 (IS_ELEMENT_FOR_GROUP): New macro.
3882 (FOR_EACH_ACTUAL_CHILD): Likewise.
3883 (next_child_for_group): New helper function.
3884 (can_completely_scalarize_p): Take into account groups.
3885 (sra_hash_tree): Handle RANGE_EXPR.
3886 (sra_elt_eq): Likewise.
3887 (lookup_element): Be prepared for handling groups.
3888 (is_valid_const_index): Delete.
3889 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3890 instead of is_valid_const_index.
3891 <ARRAY_RANGE_REF>: New case.
3892 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3893 is_valid_const_index.
3894 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3895 (scan_dump): Dump info for groups too.
3896 (decide_instantiation_1): Likewise.
3897 (decide_block_copy): Assert that the element is not a group.
3898 Propagate decision to groups.
3899 (generate_one_element_ref): Handle RANGE_EXPR.
3900 (mark_no_warning): Iterate over actual childs.
3901 (generate_copy_inout): Likewise.
3902 (generate_element_copy): Likewise.
3903 (generate_element_zero): Likewise.
3904 (generate_element_init_1): Likewise.
3905 (dump_sra_elt_name): Handle RANGE_EXPR.
3907 2006-07-03 Roger Sayle <roger@eyesopen.com>
3909 PR tree-optimization/26251
3910 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3911 (thread_block): When optimizing for size refuse to thread jumps
3912 that would require duplication of blocks other than redirection
3915 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3917 * configure.ac: Fix thinko in previous check-in.
3918 * configure: Regenerate.
3920 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3923 * configure.ac (for lang...): Simplify nesting of conditionals.
3924 Test subdir_requires for non-enabled languages. Move processing
3925 of lang_opt_files and lang_tree_fiels below that test.
3926 * configure: Regenerate.
3927 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3929 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3931 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3933 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3935 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3938 2006-06-29 Jason Merrill <jason@redhat.com>
3945 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3946 * c-common.c (c_determine_visibility): Handle it here.
3947 * c-decl.c (finish_decl): Call c_determine_visibility for
3949 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3951 * varasm.c (default_assemble_visibility): Likewise.
3952 * c-common.c (handle_visibility_attribute): Complain about trying
3953 to give visibility to an already defined class, or trying to change
3954 declared visibility. Always attach the attribute.
3959 * attribs.c (decl_attributes): Ignore type-in-place attributes
3960 once the type has been defined.
3962 2006-06-29 Roger Sayle <roger@eyesopen.com>
3965 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3966 to indicate the cpplib has issued an error message for us.
3968 2006-06-29 Asher Langton <langton2@llnl.gov>
3971 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3972 insert a label at the end of an function under Mach-O.
3974 2006-06-29 Eric Christopher <echristo@apple.com>
3975 Evan Cheng <evan.cheng@apple.com>
3977 * predicates.md (vector_all_ones_operand): New.
3978 (nonimmediate_or_sse_const_operand): Ditto.
3979 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3980 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3981 (standard_sse_mode_p): Ditto.
3982 (standard_sse_constant_p): Add case for -1 vector.
3983 (ix86_expand_vector_move): Try to use.
3984 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3985 Call standard_sse_constant_opcode.
3986 (*movv4sf_internal): Ditto.
3987 (*movv2df_internal): Ditto.
3989 2006-06-29 Roger Sayle <roger@eyesopen.com>
3991 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3992 of XEXP to extract the operands of a MATCH_CODE rtx.
3994 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3996 * tree.c (tree_size): Do not waste tail padding in
3997 struct tree_string and make the size be the same as
3998 build_string will generate.
4000 2006-06-28 Jason Merrill <jason@redhat.com>
4003 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4004 may_aliases already in the tag's annotations to the bitmap.
4006 2006-06-28 Roger Sayle <roger@eyesopen.com>
4008 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4010 2006-06-28 Roger Sayle <roger@eyesopen.com>
4012 * genpreds.c (generate_switch_p): New function.
4013 (add_mode_tests): Push the new mode test down inside an AND expr
4014 if this allows the switch-suitable MATCH_CODE to be near the root.
4015 (write_match_code_switch): New function to write a MATCH_CODE as
4017 (write_predicate_stmts): New function to write a predicate RTX
4018 expression as a sequence of statements.
4019 (write_one_predicate_function): Use write_predicate_stmts.
4020 (write_tm_constrs_h): Likewise.
4022 2006-06-26 Fred Fish <fnf@specifix.com>
4024 * config/mips/t-sb1: New file.
4025 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4028 2006-06-26 DJ Delorie <dj@redhat.com>
4030 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4032 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4033 Jayant Sonar <jayants@kpitcummins.com>
4034 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4036 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4037 (subsi3, subsi3_1, subsi3_2): New.
4038 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4039 * config/m32c/mov.md (SI mov peephole): New.
4040 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4041 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4043 2006-06-26 Olivier Hainque <hainque@adacore.com>
4045 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4046 a CALL_EXPR target function declaration.
4048 2006-06-26 Richard Guenther <rguenther@suse.de>
4050 * tree.c (build_string): Do not waste tail padding in
4053 2006-06-26 Richard Guenther <rguenther@suse.de>
4055 * ggc-page.c (init_ggc): Add missing element to size_lookup
4059 2006-06-23 Richard Guenther <rguenther@suse.de>
4061 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4062 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4063 alignment requests instead. Add verification code.
4064 Add struct tree_function_decl and struct tree_binfo size to
4065 extra_order_size_table. Add missing element to size_lookup
4068 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4071 * fold-const.c (const_binop): Be prepared for self returning zero.
4072 Simplify code handling complex values.
4074 2006-06-24 Olivier Hainque <hainque@adacore.com>
4076 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4077 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4080 2006-06-24 Olivier Hainque <hainque@adacore.com>
4082 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4083 ARRAY_REF, so have the callback called for the low bound expression.
4085 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4087 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4088 * c-typeck.c (c_common_type): Disallow operations on decimal float
4089 types and other float types.
4090 * convert.c (convert_to_real): Don't ignore conversions involving
4091 decimal float types.
4093 2006-06-23 Olivier Hainque <hainque@adacore.com>
4095 * tree.c (max_int_size_in_bytes): New function, inspired from
4096 code in function.c:assign_temp.
4097 * tree.h (max_int_size_in_bytes): Declare.
4098 * function.c (assign_temp): Use it.
4099 * gimplify.c (create_tmp_var): Relax the assertions on the type
4100 properties, not mandating constant size any more.
4101 (force_constant_size): New static function.
4102 (gimple_add_tmp_var): Use it, forcing variable size to a
4103 constant upper bound if it is not constant on entry.
4105 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4108 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4109 for initialization and setting of one_only flag to ...
4110 (i386_pe_encode_section_info): ...here.
4111 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4112 Recheck that the symbol has not been defined.
4114 2006-06-23 Richard Guenther <rguenther@suse.de>
4116 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4117 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4118 alignment requests instead. Add verification code.
4119 Add struct tree_function_decl and struct tree_binfo size to
4120 extra_order_size_table. Add missing element to size_lookup
4123 2006-06-22 Roger Sayle <roger@eyesopen.com>
4124 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4127 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4128 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4130 2006-06-23 Ben Elliston <bje@au.ibm.com>
4132 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4133 negate dn -- manipulate it directly.
4135 2006-06-22 Roger Sayle <roger@eyesopen.com>
4136 Steven Bosscher <stevenb.gcc@gmail.com>
4139 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4140 generated by gen_move_insn to add REG_LABEL notes if necessary.
4142 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4144 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4145 (leaf_entry): Remove use of MIN_ESA.
4147 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4149 PR rtl-optimization/28121
4150 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4153 2006-06-21 DJ Delorie <dj@redhat.com>
4155 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4157 (mulhisi3_r): Likewise.
4159 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4162 * coverage.c (coverage_counter_alloc): Leave the index type
4164 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4167 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4169 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4170 section from the "Options for Code Generation Conventions".
4172 2006-06-21 Richard Henderson <rth@redhat.com>
4176 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4178 (global_symbolic_operand): Allow weak symbols, even if local_p.
4180 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4182 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4183 (find_interesting_uses_address): Punt if above function returns true.
4185 2006-06-21 Richard Guenther <rguenther@suse.de>
4187 * configure: Regenerated.
4189 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4191 * config/mips/mips.c (function_arg): Where one part of a
4192 complex argument is in registers and the other part in the stack,
4193 return a REG not a PARALLEL.
4195 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4197 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4198 when cross-compiling. Do not substitute libstdcxx_incdir.
4199 * configure: Regenerated.
4201 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4203 * varasm.c (mergeable_string_section): Check for embedded NULs and
4204 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4205 rather than TREE_STRING_LENGTH bytes.
4207 2006-06-21 Richard Guenther <rguenther@suse.de>
4209 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4210 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4213 2006-06-21 Richrad Guenther <rguenther@suse.de>
4215 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4216 Limit iteration over the dominators.
4218 2006-06-20 Roger Sayle <roger@eyesopen.com>
4220 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4221 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4223 2006-06-20 Richard Guenther <rguenther@suse.de>
4224 Michael Matz <matz@suse.de>
4226 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4228 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4229 * et-forest.h (et_free_pools): Prototype new function.
4230 * et-forest.c (et_free_tree_force): Free parent occurrence.
4231 (et_free_pools): New function.
4232 * dominance.c (free_dominance_info): Free et-forest alloc
4235 2006-06-20 Roger Sayle <roger@eyesopen.com>
4237 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4238 integer modes, attempt to directly construct an integer constant.
4240 * fold-const.c (native_encode_vector): Determine the size of each
4241 element from the vector type instead of the first vector element.
4243 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4244 if all of its elements/components are constant.
4245 (build_constructor_from_list): Likewise.
4247 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4249 PR tree-optimization/27331
4250 * tree-data-ref.c (free_data_ref): New function.
4251 (create_data_ref): Fail if the data reference has unknown access
4253 (free_data_refs): Use free_data_ref.
4255 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4258 * tree-inline.c (setup_one_parameter): Strip useless
4259 type conversion before adding it to the IR.
4260 (declare_return_variable): Likewise.
4262 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4265 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4267 2006-06-19 Mike Stump <mrs@apple.com>
4269 * tree.c (variably_modified_type_p): VM arguments don't make the
4272 2006-06-19 Richard Guenther <rguenther@suse.de>
4274 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4275 type conversions after folding.
4277 2006-06-19 Richard Guenther <rguenther@suse.de>
4279 * ggc-page.c (extra_order_size_tab): Add entries with
4280 size of struct function and basic_block.
4281 (size_lookup): Extend to cover sizes up to 511.
4282 (ggc_alloc_stat): Adjust user.
4283 (ggc_pch_count_object): Likewise.
4284 (ggc_pch_alloc_object): Likewise.
4285 (ggc_pch_write_object): Likewise.
4287 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4289 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4290 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4293 2006-06-19 Denis Chertykov <denisc@overta.ru>
4295 * config/avr/libgcc.S : Correct my wrong previous commit.
4297 2006-06-19 Roger Sayle <roger@eyesopen.com>
4300 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4301 have stripped a SUBREG from the shift count, so we may need to
4302 convert_to_mode back to the type's mode before calling make_tree.
4303 Use new_amount instead of amount to avoid expanding a tree twice.
4305 2006-06-19 Richard Guenther <rguenther@suse.de>
4308 * fold-const.c (operand_equal_p): Check if the argument types
4309 have the same precision before stripping NOPs.
4311 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4313 Fix PR tree-optimization/27341
4314 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4316 * tree-complex.c (pass_lower_complex): Update SMT usage.
4318 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4320 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4321 Add a new alternative to the constraint strings. Add move of
4322 operand 1 to 3 to the splitter definition.
4323 ("doloop_si_long"): Second contraint alternative removed.
4325 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4327 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4328 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4330 (AVR_HAVE_MOVW) Define.
4331 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4332 (ASM_SPEC): Add avr25.
4333 (LINK_SPEC): Add avr25.
4334 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4335 (base_arch_s): Add new member 'have_movw_lpmx'.
4336 (avr_arch_types): Init 'have_movw_lpmx'.
4337 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4338 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4339 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4340 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4341 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4343 (avr_file_start): Do not output '.arh' derective.
4344 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4345 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4346 * config/avr/avr.md (mcu_enhanced): Delete.
4347 (mcu_have_movw): Define.
4348 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4349 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4350 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4351 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4352 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4353 attiny861 and at86rf401 devices.
4355 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4357 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4360 2006-06-17 Karl Berry <karl@gnu.org>
4362 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4363 doc/gccint.texi, doc/install.texi (@dircategory): Use
4364 "Software development" instead of "Programming", following
4365 the Free Software Directory.
4367 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4369 * config/i386/i386.c (legitimate_tls_address)
4370 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4371 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4372 (*tls_dynamic_gnu2_combine_64): Likewise.
4374 2006-06-16 Richard Guenther <rguenther@suse.de>
4377 * fold-const.c (negate_expr_p): Do not introduce undefined
4378 overflow in negating INTEGER_CSTs.
4379 (fold_negate_expr): Rename from negate_expr. Revert last
4380 change for folding BIT_NOT_EXPR. Change semantics to
4381 return NULL_TREE for non-simplified negations. Do not
4382 strip type conversions and unify type handling.
4383 (negate_expr): New function, wrap around fold_negate_expr
4384 but ensure building a tree always. Strip type conversions
4385 here, fold to result type.
4386 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4388 2006-06-16 Roger Sayle <roger@eyesopen.com>
4391 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4392 that (would) return their results in stack registers.
4394 2006-06-16 Michael Matz <matz@suse.de>
4395 Richard Guenther <rguenther@suse.de>
4397 * fold-const.c (fold_truthop): Only return new tree node if
4398 we canonicalized something.
4400 2006-06-16 Richard Guenther <rguenther@suse.de>
4402 * function.h (enum function_frequency): Move declaration
4403 out of struct function.
4404 (struct function): Move bool fields and the enum to the bitfield
4405 section. Reorder elements to avoid padding. Remove unused
4406 fields left over from the RTL inliner removal.
4407 * function.c (free_after_compilation): Do not zero removed fields.
4408 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4409 (ipa-type-escape.o): Likewise.
4411 2006-06-16 Richard Guenther <rguenther@suse.de>
4413 * cgraph.h (struct cgraph_local_info): Turn bool elements
4415 (struct cgraph_node): Likewise.
4416 (struct cgraph_varpool_node): Likewise.
4418 2006-06-15 Richard Guenther <rguenther@suse.de>
4420 * fold-const.c (fold_truth_not_expr): Rename from
4421 invert_truthvalue. Give it fold_* semantics to avoid
4423 (invert_truthvalue): New function. Wrapper around
4424 fold_truth_not_expr.
4425 (optimize_minmax_comparison): Avoid creating garbage.
4426 (fold_unary): Use fold_truth_not_expr for folding
4428 (fold_ternary): Replace uses of invert_truthvalue with
4429 fold_truth_not_expr where applicable.
4430 * tree.h (fold_truth_not_expr): Prototype.
4432 2006-06-16 Richard Guenther <rguenther@suse.de>
4434 PR tree-optimization/27781
4435 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4436 * ipa-pure-const.c (target.h): Include.
4437 (analyze_function): Do not analyze functions that do not
4440 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4443 * tree-dfa.c (referenced_vars_dup_list): Remove.
4444 (find_referenced_vars): Remove assert.
4445 (referenced_var_check_and_insert): Replace dup list with assert.
4446 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4447 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4449 2006-06-15 Richard Guenther <rguenther@suse.de>
4451 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4452 extra unused identifiers if not dumping.
4453 (create_variable_info_for): Likewise.
4455 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4457 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4458 (derive_constant_upper_bound): Derive more precise upper bound in
4459 common cases. Return type changed to double_int.
4460 (record_estimate): Reflect the changed return type of
4461 derive_constant_upper_bound.
4462 * double-int.c (double_int_zext, double_int_sext): Fix.
4464 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4466 * configure.ac (CFLAGS): Get them from the toplevel or from the
4467 configure invocation.
4468 * configure: Regenerate.
4469 * Makefile.in (CFLAGS): Substitute value provided by configure.
4471 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4474 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4475 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4476 rather than calling add_stmt on it.
4477 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4479 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4482 * reload1.c (reload): Remove registers returned by update_eliminables
4483 from used_spill_regs.
4485 2006-06-13 DJ Delorie <dj@redhat.com>
4487 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4489 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4491 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4492 html__strip_dir, html__mkdir_p. Enhance install-html target.
4493 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4494 * configure: Regenerate.
4496 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4498 * fold-const.c (fold_cond_expr_with_comparison): Check for
4499 Objective-C++ as language in deciding COND_EXPR transformation.
4501 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4504 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4505 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4506 * config/sh/lib1funcs.h (SL, SL1): Define.
4507 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4508 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4509 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4510 (OBJS_Os_4_200): New variable.
4511 ($(T)libgcc-Os-4-200.a): Use it.
4512 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4513 when dividing 1 and/or by 0.
4515 2006-06-13 Roger Sayle <roger@eyesopen.com>
4517 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4518 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4519 * configure: Regenerate.
4521 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4523 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4524 for real instruction.
4526 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4529 * haifa-sched.c (check_cfg): Handle special case.
4531 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4534 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4535 Add debug_info parameter. Chain the vars to the BLOCK instead
4536 of the BIND_EXPR if debug info are requested for them.
4537 (pop_gimplify_context): Adjust for above change.
4538 (gimple_add_tmp_var): Likewise.
4539 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4541 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4542 (convert_local_reference): Likewise.
4543 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4544 (finalize_nesting_tree_1): Request that debug info be emitted
4545 for debug_var_chain.
4547 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4549 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4550 for PR target/27863.
4552 2006-06-13 Richard Guenther <rguenther@suse.de>
4555 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4557 2006-06-13 Richard Guenther <rguenther@suse.de>
4559 PR tree-optimization/27830
4560 * tree-inline.c (copy_body_r): For copying the operand
4561 of an ADDR_EXPR make sure to fold &* afterwards.
4563 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4565 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4566 lvalues in the fb_none case with side-effects.
4568 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4570 * tree-flow.h: Remove the prototype for
4571 compute_phi_arg_on_exit.
4572 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4573 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4576 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4578 * builtins.c (expand_builtin_return_addr): Only use
4579 frame_pointer_rtx when count == 0 and we are expanding
4580 __builtin_return_address.
4582 2006-06-12 Fred Fish <fnf@specifix.com>
4584 * config/mips/mips.c (mips_file_start): Create special section
4585 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4587 2006-06-11 Eric Christopher <echristo@apple.com>
4590 * stor-layout.c (place_field): Remove check for
4591 remaining_in_alignment when aligning at the end of a run.
4593 2006-06-11 Eric Christopher <echristo@apple.com>
4596 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4599 2006-06-11 Roger Sayle <roger@eyesopen.com>
4602 Revert incorrect fix for PR target/27158
4603 2006-05-08 Roger Sayle <roger@eyesopen.com>
4604 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4605 of a reg_equiv_constant if the result is a legitimate constant.
4607 2006-06-11 Roger Sayle <roger@eyesopen.com>
4610 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4611 extract a CONST_VECTOR element and interpret it as an integer.
4612 (vspltis_constant): Use const_vector_elt_as_int instead of the
4613 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4614 * config/rs6000/predicates.md (easy_vector_const): Consider
4615 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4617 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4620 * stor-layout.c (update_alignment_for_field): Don't add extra
4621 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4624 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4626 * config/mips/t-rtems: Add EL/EB multilib variants.
4628 2006-06-09 Mike Stump <mrs@apple.com>
4630 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4632 2006-06-09 David Daney <ddaney@avtrex.com>
4634 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4636 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4638 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4640 2006-06-09 Richard Guenther <rguenther@suse.de>
4642 PR tree-optimization/26998
4643 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4644 of signed types, only TYPE_MIN_VALUE is special, but for both,
4645 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4646 in this case, as is -fwrapv.
4648 2006-06-08 Mike Stump <mrs@apple.com>
4651 * config/darwin.c (darwin_asm_output_anchor): Disable
4652 -fsection-anchors on darwin for now.
4653 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4654 * rs6000/rs6000.c (optimization_options): Likewise.
4656 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4659 * config/i386/i386.c (classify_argument): Skip fields with invalid
4662 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4664 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4665 (cse_insn): Likewise for the stack_pointer_rtx.
4667 2006-06-08 Roger Sayle <roger@eyesopen.com>
4669 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4670 conditions from floating point comparisons.
4672 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4675 * expmed.c (struct alg_hash_entry): Fix type of field T
4676 to match synth_mult argument.
4677 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4679 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4682 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4685 2006-06-08 Richard Guenther <rguenther@suse.de>
4688 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4689 only, if overflow is defined and not trapping.
4690 (negate_expr): Likewise.
4692 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4694 PR tree-optimization/27872
4695 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4696 flag on the new exit edge of the unrolled loop.
4698 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4700 PR rtl-optimization/26449
4701 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4703 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4706 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4707 referenced_variables with matching DECL_UID's.
4708 (find_referenced_vars): Make sure duplicate list is empty to start.
4709 (referenced_var_p): Remove.
4710 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4711 Check if var is in the list, and add if needed. Update the duplicate
4712 list if a different var is in the list with the same DECL_UID.
4713 (add_referenced_var): Call routine to check and insert.
4714 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4715 * tree-flow.h (referenced_vars_dup_list): External declaration.
4717 2006-06-07 Fred Fish <fnf@specifix.com>
4719 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4722 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4725 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4726 the imaginary and real parts of a clobbered register.
4727 Emit insn to set the imaginary part.
4729 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4731 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4732 in lieu of unwind-dw2-fde.c.
4734 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4736 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4738 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4741 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4742 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4743 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4744 V4SImode temporaries and operations instead.
4746 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4748 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4751 2006-06-06 Mike Stump <mrs@apple.com>
4753 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4754 installing during build.
4756 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4758 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4760 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4761 * config/ia64/ia64.c (params.h): New header.
4762 (ia64_optimization_options): New function to adjust parameters.
4763 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4764 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4765 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4767 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4769 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4771 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4774 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4776 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4777 Victor Kaplansky <victork@il.ibm.com>
4779 PR tree-optimization/26360
4780 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4783 2006-06-04 Roger Sayle <roger@eyesopen.com>
4784 Andrew Pinski <pinskia@physics.uc.edu>
4787 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4788 for LABEL_DECL before calling DECL_WEAK.
4791 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4792 LABEL_DECL and PARM_DECL.
4794 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4798 * c-decl.c (grokdeclarator): Disallow variably modified types at
4799 file scope. Avoid marking shared array type of constant size as
4802 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4805 * c-common.c (fold_offsetof_1): Handle static members.
4807 2006-06-04 Eric Christopher <echristo@apple.com>
4809 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4810 (debug_rli): Output value for remaining_in_alignment.
4811 (update_alignment_for_field): Unconditionalize
4812 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4813 extra alignment code.
4814 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4815 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4816 * tree.h (record_layout_info_s): Remove prev_packed.
4817 * doc/extend.texi (ms_struct): Add documentation of format.
4819 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4821 * tree.h: Declare folding_initializer.
4822 * builtins.c (fold_builtin_constant_p): Give definite answer
4823 if folding inside an initializer.
4824 * fold-const.c: Define folding_initializer.
4825 (START_FOLD_INIT): Save and then set folding_initializer.
4826 (END_FOLD_INIT): Restore folding_initializer.
4828 2006-06-04 Richard Guenther <rguenther@suse.de>
4830 PR tree-optimization/27039
4831 * fold-const.c (fold_comparison): Handle pointer comparison
4832 again for all comparison codes. Compare offsets in signed
4834 (fold_binary): Move code from here.
4836 2006-06-03 Roger Sayle <roger@eyesopen.com>
4839 * config/i386/i386.c (construct_container): Split static issued_error
4840 flag into issued_sse_arg_error, issued_sse_ret_error and
4841 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4842 requires the use of x87 registers and the user explicitly
4843 specified the -mno-80387 command line option.
4845 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4847 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4848 HAVE_DECL_SIGALTSTACK.
4850 (segv_handler): Use MC_FLD.
4851 * configure.ac: Check for a sigaltstack declaration.
4852 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4853 * configure: Regenerate.
4854 * config.in: Regenerate.
4856 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4859 * Makefile.in (stmp-fixinc): Fix typo.
4861 2006-06-02 Roger Sayle <roger@eyesopen.com>
4863 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4864 are type correct. Clean-up.
4865 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4866 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4868 2006-06-01 DJ Delorie <dj@redhat.com>
4870 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4871 shift, as we've disabled the "switch" insn that needs it.
4873 2006-06-01 Per Bothner <bothner@bothner.com>
4875 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4876 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4877 * c-ppoutput.c (cb_define): Don't increment line 0.
4879 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4881 * doc/invoke.texi: Add cpu_type power6.
4882 * config.gcc: Add cpu_type power6.
4883 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4884 to power5+ with Altivec.
4885 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4886 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4888 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4890 * config/avr/avr.h (SET_ASM_OP): Define.
4892 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4894 * config/bfin/bfin.c: Fix comment typos.
4896 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4899 * doc/install.texi: Document --enable-bootstrap and
4900 --disable-bootstrap.
4902 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4904 * doc/install.texi: Document that InfoZIP can replace jar.
4906 2006-05-31 Roger Sayle <roger@eyesopen.com>
4908 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4909 isn't available, directly generate the simpler x87 patterns without
4910 the (use (const_int 0)).
4911 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4912 implementation isn't available.
4913 (*negdf2_1): Likewise.
4914 (*negxf2_1): XF mode negation is always done using the x87.
4915 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4917 2006-05-31 Roger Sayle <roger@eyesopen.com>
4919 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4920 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4922 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4924 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4926 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4927 * config/bfin/bfin.c (basic-block.h): Include.
4928 (struct machine_function): New.
4929 (bfin_init_machine_status): New.
4930 (override_options): Initialize init_machine_status.
4931 (bfin_hardware_loop): New.
4932 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4933 (DEF_VEC_P (loop_info)): New.
4934 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4935 (struct loop_info): New.
4936 (loop_info): New typedef.
4937 (struct loop_work): New.
4938 (loop_work): New typedef.
4939 (DEF_VEC_O (loop_work)): New.
4940 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4941 (bfin_dump_loops): New.
4942 (bfin_bb_in_loop): New.
4943 (bfin_scan_loop): New.
4944 (bfin_optimize_loop): New.
4945 (bfin_reorg_loops): New.
4946 (bfin_reorg): Use bfin_reorg_loops.
4947 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4949 (I_REGNO_P): Simplify.
4950 (DP_REGNO_P, DPREG_P): New macros.
4951 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4952 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4953 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4954 Add LT_REGS, LC_REGS, LB_REGS.
4955 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4957 (REGNO_REG_CLASS): Deal with loop registers.
4958 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4960 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4961 New constants for loop registers.
4962 (UNSPEC_LSETUP_END): New.
4963 (seq_insns): New define_attr. Set it for appropriate insns.
4964 (movsi_insn): Add alternatives for move from/to
4965 loop count registers.
4966 (doloop_end): New define_expand.
4967 (loop_end): New define_insn.
4968 (define_split for bad doloop_end): New.
4969 (lsetup_with_autoinit): New define_insn.
4970 (lsetup_without_autoinit): New define_insn.
4971 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4972 * config/bfin/predicates.md (lc_register_operand): New.
4973 (lt_register_operand): New.
4974 (lb_register_operand): New.
4975 (nondp_register_operand): New.
4976 (nondp_reg_or_memory_operand): New.
4977 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4979 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4981 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4982 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4984 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4986 * Makefile.in (CATALOGS): Add po/ prefix.
4987 * configure: Regenerated.
4989 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4992 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4993 a shift operand before calling shift_op. Avoid redundant call of
4996 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4997 DJ Delorie <dj@redhat.com>
4999 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5000 we're inserting is a singlt-bit constant.
5002 2006-05-30 Roger Sayle <roger@eyesopen.com>
5004 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5005 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5007 2006-05-30 Roger Sayle <roger@eyesopen.com>
5009 PR tree-optimization/23452
5010 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5011 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5012 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5013 complex values and with -ffast-math for FP complex values.
5015 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5017 * c-common.h: Remove the prototype for yyparse.
5018 * rtl.h: Remove the prototype for init_loop.
5020 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5022 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5025 2006-05-30 Roger Sayle <roger@eyesopen.com>
5027 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5029 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5030 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5032 2006-05-30 Dirk Mueller <dmueller@suse.de>
5035 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5036 for CONSTANT_CLASS_P expresisons.
5038 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5041 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5043 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5045 PR tree-optimization/27779
5046 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5047 initial_condition instead of CHREC_LEFT.
5049 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5051 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5052 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5053 Make prototypes ISO C90.
5055 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5056 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5058 * see.c (see_analyze_one_def): Correct check.
5059 (see_get_extension_data): Check if extension is parallel.
5060 (see_get_extension_reg): Likewise.
5062 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5065 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5066 into register for (code == GTU).
5068 2006-05-29 Roger Sayle <roger@eyesopen.com>
5070 PR tree-optimization/24964
5071 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5072 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5073 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5074 abs(x)*abs(x) as x*x for scalar floating point modes.
5076 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5079 * lambda-code.c (perfect_nestify): Don't copy statements
5080 in the inner loop: move them to the inner loop header.
5082 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5085 * c-tree.texi: Document OpenMP directives and clauses.
5087 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5089 * varasm.c (globalize_decl): Fix indentation.
5091 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5094 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5095 pass_fre, pass_store_ccp, pass_copy_prop,
5096 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5097 pass_return_slot, pass_object_size, pass_lim,
5098 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5099 pass_loop_prefetch and pass_stdarg.
5101 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5103 * config/bfin/bfin.opt (mfdpic): New option.
5104 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5105 (EXTRA_MULTILIB_PARTS): Likewise.
5106 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5107 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5109 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5110 (CRT_CALL_STATIC_FUNCTION): New.
5111 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5113 (CRT_CALL_STATIC_FUNCTION): New.
5114 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5116 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5117 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5118 (initialize_trampoline): Changed to handle FD-PIC code generation.
5119 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5120 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5121 (override_options): Disallow -mid-shared-library -mfdpic combination.
5122 Can't do unaligned ops if FD-PIC.
5123 Turn off flag_pic if trying to generate non-id-shared-library
5124 non-fdpic code, since it's not supported.
5125 (bfin_assemble_integer): New function.
5126 (TARGET_ASM_INTEGER): Define.
5127 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5129 * config/bfin/crtn.s: Restore them.
5130 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5132 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5133 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5134 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5135 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5136 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5138 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5139 FDPIC_REGS and FDPIC_FPTR_REGS.
5140 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5141 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5142 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5143 (load_funcdescsi): New pattern.
5144 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5145 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5146 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5148 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5150 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5153 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5155 * tree-flow.h: Remove the prototype for add_type_alias.
5156 * tree-ssa-alias.c (add_type_alias): Remove.
5158 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5160 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5161 config/fr30/fr30.md, config/i386/i386-interix.h,
5162 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5163 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5164 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5165 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5166 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5167 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5168 Follow spelling conventions.
5169 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5170 Follow spelling conventions.
5172 2006-05-27 Richard Guenther <rguenther@suse.de>
5175 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5176 to produce a constant of value 1 of generic type.
5178 2006-05-27 Dirk Mueller <dmueller@suse.de>
5180 * cgraphunit.c (decide_is_function_needed): Fix wrong
5183 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5185 PR rtl-optimization/27661
5186 * reload.c (find_reloads): When reloading a VOIDmode constant
5187 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5188 use Pmode as mode of the reload register.
5190 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5192 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5193 is enabled at -O and above.
5195 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5198 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5201 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5204 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5205 for anonymous variables explicitly declared by front ends.
5207 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5209 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5210 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5211 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5212 ref-all pointers, run a finalization pass for them.
5213 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5214 (finalize_ref_all_pointers): New function.
5215 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5216 regular pointer type to a ref-all pointer type.
5217 (get_tmt_for): Return the special memory tag for ref-all pointers.
5219 2006-05-25 Richard Guenther <rguenther@suse.de>
5222 * fold-const.c (fold_binary): Do not look at the stripped
5223 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5225 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5227 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5228 for LT and GT if the computed range is effectively empty.
5230 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5233 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5234 mips_quad_format formats instead of ieee_single_format,
5235 ieee_double_format and ieee_quad_format formats, respectively.
5237 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5239 PR tree-optimization/27639
5240 PR tree-optimization/26719
5241 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5242 call to scev_probably_wraps_p.
5243 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5244 used_in_pointer_arithmetic_p, convert_step): Removed.
5245 (nowrap_type_p): New function.
5246 (scev_probably_wraps_p): Rewritten.
5247 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5248 chrec_convert if chrec_convert_aggressive might have been used.
5249 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5250 scev_direction): New functions.
5251 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5252 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5253 instead of convert_step.
5254 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5255 (convert_step): Declaration removed.
5256 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5258 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5260 * df-core.c: Added to header comments.
5261 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5262 df_ur_bb_info, df_urec_bb_info): Added comments.
5263 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5264 urec, ri problems): Fixed header comments.
5265 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5266 code from df_rd_transfer_function.
5268 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5270 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5271 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5272 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5274 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5276 * expr.c (undefined_operand_subword_p): New.
5277 (emit_move_multi_word): Do not generate move from undefined bits
5278 of a paradoxical subreg.
5280 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5282 PR rtl-optimization/27736
5283 * combine.c (replaced_rhs_value): New variable.
5284 (combine_instructions): Set it.
5285 (distribute_notes): When distributing a note in replaced_rhs_insn,
5286 check whether the value was used in replaced_rhs_value.
5288 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5291 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5292 add_referenced_var instead of add_referenced_tmp_var.
5293 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5294 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5296 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5297 tree_optimize_tail_calls_1): Use add_referenced_var.
5298 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5299 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5300 Use add_referenced_var.
5301 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5302 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5303 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5304 Use add_referenced_var.
5305 * tree-dfa.c (struct walk_state): Remove.
5306 (find_referenced_vars): Remove walk state and vars_found hash table.
5307 (make_rename_temp): Use add_referenced_var.
5308 (find_vars_r): Pass less parameters to add_referenced_var.
5309 (referenced_var_p): New. Is var in referenced_var hash table.
5310 (referenced_var_insert): Assert var isn't already in hash table.
5311 (add_referenced_var): Don't need walk_state parameter. Add var if it
5312 isn't already in the hash table.
5313 (add_referenced_tmp_var): Remove.
5314 (find_new_referenced_vars_1): Use add_referenced_var.
5315 * tree-ssa-pre.c (create_expression_by_pieces,
5316 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5317 Use add_referenced_var.
5318 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5319 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5320 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5322 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5323 vect_create_data_ref_ptr, vect_create_destination_var,
5324 vect_init_vector, vect_build_loop_niters,
5325 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5326 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5327 Use add_referenced_var.
5328 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5329 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5330 (add_referenced_var): Add prototype.
5331 * tree-ssa-structalias.c (get_constraint_for,
5332 intra_create_variable_infos): Use add_referenced_var.
5334 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5336 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5337 big-endian paradoxical subregs.
5338 * var-tracking.c (struct micro_operation_def): Document that,
5339 for modify micro operations, insn is the subsequent instruction.
5340 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5341 (var_reg_set, var_mem_set): ... new functions.
5342 (add_stores): Record subsequent insn.
5343 (compute_bb_dataflow): Use new functions for MO_USE.
5344 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5345 notes after the insn, and modify notes before the insn known
5346 to be the subsequent one.
5347 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5349 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5352 * config/i386/i386.c (ix86_expand_builtin): Use
5353 gen_sse3_monitor64 for TARGET_64BIT.
5355 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5357 PR rtl-optimization/26375
5358 PR rtl-optimization/26855
5359 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5361 (df_ru_bb_local_compute): Reversed statements and removed bogus
5362 comment explaining why they should be in wrong order.
5363 (df_ru_dump, df_rd_dump): Enhanced debug info.
5364 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5366 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5367 reaching uses and fixed space problem.
5369 2006-05-23 Jan Hubicka <jh@suse.cz>
5371 * cgraphunit.c (decide_is_function_needed): Also nested functions
5372 and functions declared inline can be optimized out at -O0.
5374 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5376 * doc/install.texi (Configuration): Remove reference to CrossGCC
5380 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5383 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5384 ix86_compare_emitted is non-NULL.
5386 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5389 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5392 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5394 PR rtl-optimization/25514
5395 * combine.c (replaced_rhs_insn): New variable.
5396 (combine_instructions): Set replaced_rhs_insn when trying to replace
5397 a SET_SRC with a REG_EQUAL note.
5398 (distribute_notes): Use replaced_rhs_insn when determining the live
5399 range of a REG_DEAD register.
5401 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5402 Anatoly Sokolov <aesok@post.ru>
5404 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5405 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5406 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5407 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5408 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5409 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5410 at90usb647, at90usb1286 and at90usb1287 devices.
5411 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5412 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5414 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5416 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5418 2006-05-22 Richard Guenther <rguenther@suse.de>
5421 2006-01-31 Richard Guenther <rguenther@suse.de>
5422 Paolo Bonzini <bonzini@gnu.org>
5424 * doc/install.texi (--disable-libgcc-math): Document.
5426 2006-05-22 Richard Guenther <rguenther@suse.de>
5429 2006-01-31 Richard Guenther <rguenther@suse.de>
5431 * doc/invoke.texi (-msselibm): Document.
5432 * target.h (expand_library_builtin): New target hook.
5433 * builtins.c (expand_builtin): Use expand_library_builtin.
5434 (default_expand_library_builtin): New function.
5435 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5436 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5437 (link_gcc_math_spec): Declare.
5438 (static_specs): Add link_gcc_math_spec.
5439 * expr.h (default_expand_library_builtin): Declare.
5440 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5441 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5442 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5443 * config/i386/i386.opt (msselibm): New target option.
5444 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5445 (ix86_init_sse_abi_builtins): New function.
5446 (ix86_expand_library_builtin): Likewise.
5447 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5448 (override_options): Handle error conditions wrt -msselibm.
5449 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5450 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5451 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5454 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5457 * c-common.c (self_promoting_args_p): Skip erroneous args.
5460 * c-decl.c (finish_struct): Skip erroneous fields.
5462 2006-05-22 Nick Clifton <nickc@redhat.com>
5464 * config/cris/cris.opt (march): Remove VarExists attribute.
5465 (max-stackframe=): Likewise.
5467 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5469 * doc/rtl.texi: Fix a typo.
5470 * see.c: Fix comment typos.
5472 * tree-ssa-structalias.h (alias_info): Remove num_references.
5474 2006-05-21 Mike Stump <mrs@apple.com>
5476 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5478 (darwin_pragma_options): Use BAD instead.
5479 (darwin_pragma_unused): Likewise.
5480 (darwin_pragma_ms_struct): Likewise.
5482 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5484 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5486 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5488 PR rtl-optimization/27671
5489 * simplify-rtx.c (simplify_relational_operation_1): Fix
5490 simplifications of (eq/ne (xor x y) y) and
5491 (eq/ne (xor x y) x).
5493 PR tree-optimization/26622.
5494 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5497 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5499 * tree-cfg.c: Prune whitespace.
5500 (debug_tree_cfg): Point to correct header containing the
5503 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5506 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5508 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5511 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5512 or sorry count is non zero.
5514 2006-05-20 Andreas Schwab <schwab@suse.de>
5516 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5518 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5519 Kenneth Zadeck <zadeck@naturalbridge.com>
5521 PR rtl-optimization/26855
5523 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5525 (df_scan_alloc): Added code to properly handle multiword hard
5526 registers and add all_blocks parameter.
5527 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5528 code to properly handle multiword hard registers.
5529 (df_rescan_blocks): Added code to remove deleted blocks from
5531 (df_ref_create_structure, df_ref_record): Added code to properly
5533 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5534 and set DF_REF_PARTIAL.
5535 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5536 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5537 (df_scan_add_problem): Added flags parameter.
5538 (df_ref_create_structure): Changed switching structure.
5539 (df_bb_refs_record): Fixed case where duplicate artificial refs
5540 were created. Changed location of flags.
5541 (df_record_entry_block_defs): Added code to make stack pointer
5542 live in entry block. Refined cases where frame pointer is needed.
5543 Changed location of flags.
5544 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5545 (df_set_state): Removed function.
5546 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5547 df_insn_create_insn_record, df_insn_refs_delete,
5548 df_ref_create_structure): Formatting changes.
5549 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5550 df_delete_basic_block): New function.
5551 (df_init): Changed location of flags.
5552 (df_add_problem): Added flags parameter and the way flags are
5554 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5555 debug_df_chain): Improved debugging output.
5556 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5557 (df_refs_chain_dump): Removed df parameter.
5558 (df_iterative_dataflow): Added consistency check.
5559 (df_prune_to_subcfg): Made public.
5560 (df_analyze_problem): Added blocks_to_init parameter and made
5562 (df_ref_record, df_bb_refs_record, df_mark_reg,
5563 df_record_exit_block_uses): Whitespace changes.
5564 (df_dump): Whitespace changes.
5565 * df.h: Some reordering to remove forward references.
5566 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5567 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5568 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5569 (dataflow.flags): New field.
5570 (df.flag): Deleted field.
5571 (df_alloc_function): Added additional bitmap parameter.
5572 (df_dependent_problem_function): New type.
5573 (df_problem.changeable_flags): New field.
5574 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5575 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5576 (df_mw_hardreg): New struct.
5577 (DF_INSN_UID_MWS): New macro.
5578 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5580 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5581 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5582 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5583 (df_set_state): Removed function.
5584 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5585 * df-problems.c (df_chain_dump): Removed df parameter.
5586 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5587 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5589 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5590 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5591 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5592 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5593 DF_REF_MUST_CLOBBER cases.
5594 (df_ru_bb_local_compute_process_def,
5595 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5596 df_lr_bb_local_compute, df_ur_bb_local_compute,
5597 df_chain_create_bb): Made subreg aware.
5598 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5599 df_lr_bb_local_compute, df_lr_bb_local_compute,
5600 df_chain_create_bb): Cleanup to use proper macros.
5601 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5602 code to fixup bitvectors.
5603 (df_ri_alloc): Cleared lifetime.
5604 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5605 df_create_unused_note): New function.
5606 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5607 REG_DEAD and REG_UNUSED notes as well as register information.
5608 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5609 df_chains_dump): Fixed crash if problem was never run.
5610 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5611 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5612 df_ri_add_problem): Processes flags in uniform manner.
5613 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5614 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5615 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5616 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5617 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5618 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5619 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5620 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5621 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5622 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5623 * see.c (see_initialize_data): Ditto.
5624 * final.c (rest_of_clean_state) Added regstack_completed.
5625 * rtl.h (regstack_completed): Ditto.
5626 * reg-stack.c (regstack_completed): Ditto.
5628 2006-05-19 Mike Stump <mrs@apple.com>
5630 * c-tree.h (default_conversion): Remove.
5631 * c-common.h (default_conversion): Add.
5633 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5635 * tree-vrp.c (valid_value_p): New function.
5636 (adjust_range_with_scev): Fail if the value of bound is not
5639 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5641 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5642 (mips_fallback_frame_state): Use syscall numbers to determine
5643 the appropriate li instruction for the current ABI. Only use
5644 __NR_sigreturn for o32.
5646 2006-05-19 Nicolas Setton <setton@adacore.com>
5648 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5649 * langhooks.c (lhd_dwarf_name): New function.
5650 * langhooks-def.h (lhd_dwarf_name): Declare.
5651 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5652 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5653 * ada/misc.c (gnat_dwarf_name): New function.
5654 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5656 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5658 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5660 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5661 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5662 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5663 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5664 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5665 determine the size of Wtype, etc.
5666 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5667 (swfloatfuncs): New variable.
5668 (dwfloatfuncs): Likewise.
5669 (lib2funcs): Remove floating-point conversion functions from
5670 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5671 the set of conversion routines needed. Allow entries to specify
5672 an object name, filename and word size. Update users accordingly.
5673 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5674 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5678 2006-02-08 Roger Sayle <roger@eyesopen.com>
5681 * config/fixtfdi.c: New libgcc source file.
5682 * config/fixunstfdi.c: New source file.
5683 * config/floatditf.c: New source file.
5684 * config/floatunditf.c: New souce file.
5685 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5686 files above instead of config/mips/_tilib.c.
5687 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5689 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5691 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5692 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5694 2006-05-18 Mike Stump <mrs@apple.com>
5696 Fix up vla, vm and [*] sematics.
5702 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5703 (c_vla_unspec_p): Add.
5704 (c_vla_type_p): Add.
5705 * c-decl.c (struct c_scope): Add had_vla_unspec.
5706 (build_array_declarator): Add support for [*].
5707 (grokdeclarator): Likewise.
5708 (grokparms): Likewise.
5709 (get_parm_info): Likewise.
5710 * c-objc-common.c (c_vla_unspec_p): Likewise.
5711 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5712 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5713 typeof when argument is a variably modified type not inside sizeof or alignof.
5714 (c_parser_direct_declarator_inner): Propagate errors.
5715 (c_parser_sizeof_expression): Add support for [*].
5716 (c_parser_parms_declarator): Initialize had_vla_unspec.
5717 (c_parser_parms_list_declarator): Likewise.
5718 * c-typeck.c (c_vla_type_p): Add.
5719 (composite_type): Add support for vla compositing.
5720 (comptypes_internal): Add support for vla compatibility.
5721 (c_expr_sizeof_expr): Evaluate vla arguments.
5722 * tree.c (variably_modified_type_p): Update comment for [*].
5724 2006-05-18 Michael Matz <matz@suse.de>
5727 * config.host: Make assignments to host_xmake_file cumulative.
5728 * config.host (*-darwin*): Test $host, not $target.
5730 2006-05-12 Stuart Hastings <stuart@apple.com>
5732 * config/i386/i386.opt (-mstackrealign): New flag.
5733 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5734 (ix86_handle_cconv_attribute): Emit error when
5735 force_align_arg_pointer attribute collides with too many regparms.
5736 (ix86_function_regparm): Limit regparms when used with
5737 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5738 Support stack-realigning prologue in non-main functions. Emit
5739 warning for nested functions under -mstackrealign, emit error for
5740 nested functions with force_align_arg_pointer attribute.
5741 * doc/extend.texi (force_align_arg_pointer): Document it.
5742 * doc/invoke.texi (-mstackrealign): Document it.
5744 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5746 PR rtl-optimization/27477
5747 * combine.c (try_combine): Don't split a parallel consisting
5748 of two sets into two individual sets if both sets reference
5751 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5753 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5754 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5756 * doc/options.texi (VarExists): Updated.
5758 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5760 * unwind-dw2.c: Add declarations for uw_update_context and
5762 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5763 detected, advance frame state and context once to skip over stub.
5765 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5769 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5770 Call rewrite_into_loop_closed_ssa only when something changed.
5771 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5772 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5773 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5774 Test for perfect_nest_p here. Fix formating.
5775 (replace_uses_equiv_to_x_with_y): Fix formating.
5776 (stmt_uses_op): Removed.
5777 (can_convert_to_perfect_nest): Removed loopivs parameter.
5778 Complete the test by checking the scalar dependences.
5779 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5782 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5785 From Dan Kegel <dank@kegel.com>:
5786 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5788 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5790 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5791 if the element type is variably modified without recursing.
5793 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5796 * tree-loop-linear.c (try_interchange_loops): Test for
5797 no data dependences.
5799 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5801 PR tree-optimization/27548
5802 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5803 range of ssa names that appear on abnormal edges.
5804 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5805 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5807 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5810 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5812 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5815 * tree.h (OMP_PARALLEL_COMBINED): Define.
5816 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5817 (new_omp_context): Add is_combined_parallel argument.
5818 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5819 new_omp_context caller.
5820 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5821 Adjust gimplify_scan_omp_clauses callers.
5822 (omp_is_private): Issue errors if iteration variable is firstprivate
5823 or reduction in the current context.
5824 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5825 on combined parallel workshare constructs.
5827 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5829 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5830 (gcc-options.o): New rule.
5832 * optc-gen.awk: Protect variables for gcc-options.o with
5833 #ifdef GCC_DRIVER/#endif.
5835 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5837 Fix PR tree-optimization/27373
5838 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5839 (forward_propagate_addr_expr): Update call.
5841 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5843 * doc/options.texi: Move the Negative option.
5845 2006-05-16 Richard Guenther <rguenther@suse.de>
5847 PR tree-optimization/22303
5848 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5850 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5851 ccp_fold did not simplify the statement.
5853 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5856 * Makefile.in (GCC_OBJS): New.
5857 (OBJS-common): Add opts-common.o.
5858 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5859 (cpp$(exeext)): Likewise.
5860 (gcc.o): Also depend on opts.h.
5861 (opts-common.o): New.
5863 * common.opt (gcoff): Add Negative(gdwarf-2).
5864 (gdwarf-2): Add Negative(gstabs).
5865 (gstabs): Add Negative(gstabs+).
5866 (gstabs+): Add Negative(gvms).
5867 (gvms): Add Negative(gxcoff).
5868 (gxcoff): Add Negative(gxcoff+).
5869 (gxcoff+): Add Negative(gcoff).
5870 * config/i386/i386.opt (m32): Add Negative(m64).
5871 (m64): Add Negative(m32).
5873 * doc/options.texi: Document the Negative option.
5875 * gcc.c: Include "opts.h".
5876 (main): Call prune_options after expandargv.
5878 * optc-gen.awk: Generate common declarations for all flag
5879 variables in options.c. Output the neg_index field.
5881 * opts.c (find_opt): Moved to ...
5882 * opts-common.c: Here. New file.
5884 * opts.h (cl_option): Add a neg_index field.
5886 (prune_options): Likewise.
5888 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5891 * omp-low.c (expand_omp_parallel): Don't assert
5892 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5893 instead search for it.
5896 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5899 2006-05-16 Andreas Schwab <schwab@suse.de>
5901 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5904 2006-05-15 Roger Sayle <roger@eyesopen.com>
5907 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5908 integer constants other than zero are only legitimate on TARGET_64BIT.
5909 <CONST_VECTOR> Only zero vectors are legitimate.
5910 (ix86_cannot_force_const_mem): Integral and vector constants can
5911 always be put in the constant pool.
5913 2006-05-16 DJ Delorie <dj@redhat.com>
5915 * crtstuff.c (__dso_handle): Set section from
5916 TARGET_LBIGCC_SDATA_SECTION if defined.
5917 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5918 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5920 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5923 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5926 2006-05-16 Ben Elliston <bje@au.ibm.com>
5928 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5930 2006-05-15 Per Bothner <per@bothner.com>
5932 * tree.c: (last_annotated_node): Use source_locus typedef.
5933 This permits bootstrapping with --enable-mapped-location.
5935 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5937 PR tree-optimization/26830
5938 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5939 (info_for_ssa_name, current_info_for_ssa_name_age,
5940 blocks_to_update): New variables.
5941 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5942 (clear_ssa_name_info, initialize_flags_in_bb,
5943 mark_block_for_update): New functions.
5944 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5945 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5946 prepare_def_site_for): Use mark_block_for_update.
5947 (mark_def_interesting): Assert that the processed block is marked in
5948 blocks_to_update. Do not take blocks argument.
5949 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5951 (rewrite_update_init_block, rewrite_update_stmt): Only process
5952 blocks with statements to rewrite.
5953 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5954 (update_ssa): Initialize and free blocks_to_update. Do not
5955 clear flags on statements. Do not use blocks bitmap.
5956 * tree.h (SSA_NAME_AUX): Removed.
5957 (struct tree_ssa_name): Removed aux field.
5958 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5960 2006-05-15 Richard Guenther <rguenther@suse.de>
5962 PR tree-optimization/27603
5963 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5964 Do computations in original type.
5966 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5968 * see.c: Code style changes such as redundant paranthesis,
5969 redundant intialization of local variables etc.
5970 (see_main): Declared now as static.
5971 * doc/invoke.texi: Update that -fsee is not enabled by
5974 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5976 * omp-low.c (check_omp_nesting_restrictions): New function.
5977 (scan_omp_1): Call it.
5980 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5981 construct, return *VAR.
5983 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5985 PR rtl-optimization/27406
5986 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5989 2006-05-14 Roger Sayle <roger@eyesopen.com>
5991 PR rtl-optimization/27538
5992 * combine.c (expand_compound_operation): Call gen_lowpart
5993 before calling simplify_shift_const.
5995 2006-05-14 Roger Sayle <roger@eyesopen.com>
5997 PR rtl-optimization/22563
5998 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5999 a fixed width bitfield, always force the intermediates into psuedos.
6001 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6004 * mkconfig.sh: Use operator = instead of == for test.
6006 2006-05-13 Nick Clifton <nickc@redhat.com>
6008 * dwarf2out.c (dbx_reg_number): Check return value from
6009 LEAF_REG_REMAP and only use it if it is valid.
6010 (multiple_reg_loc_descriptor): Likewise.
6012 2006-05-13 Richard Guenther <rguenther@suse.de>
6014 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6017 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6019 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6020 information attached to non-INSNs such as NOTEs.
6021 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6023 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6025 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6027 * config/s390/s390.md: Adjust comment describing On constraint.
6029 2006-05-11 Jan Hubicka <jh@suse.cz>
6031 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6032 to be output at -O0.
6034 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6037 * fold-const.c (size_binop): Move sanity check for arguments to
6038 the beginning of the function.
6041 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6044 2006-05-11 Richard Guenther <rguenther@suse.de>
6047 * fold-const.c (fold_unary): Handle intermediate conversion
6048 to a pointer type like intermediate conversion to an integer
6049 type in folding of (T1)(T2)var to var.
6050 Match the code to the comment in the final conversion for
6051 (T1)(T2)var to (T1)var regarding to type precision. Rather
6052 than disallow T1 being of pointer type, assert that both T1
6053 and var are of pointer type or not. Make sure not to fall
6054 over the frontends lazyness wrt array to pointer decay though.
6056 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6058 * arm.c (arm_struct_value_rtx): Delete.
6059 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6060 (arm_init_cumulative_args): Always initialize nregs to zero.
6062 2006-05-10 Richard Guenther <rguenther@suse.de>
6064 PR tree-optimization/27532
6065 * tree-object-size.c (plus_expr_object_size): Fix typo.
6067 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6070 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6071 ashrdi_const, ashrdi3): Use a scratch register.
6073 2006-05-10 Richard Guenther <rguenther@suse.de>
6075 PR tree-optimization/27302
6076 * fold-const.c (operand_equal_p): For two comparisons,
6077 try comparison of one comparison code swapped if that yields
6080 2006-05-10 Ben Elliston <bje@au.ibm.com>
6082 * tree-pretty-print.c (pretty_print_string): No need to handle
6083 '\0' as a special character.
6085 * tree.h: Include "hashtab.h".
6086 (iterative_hash_expr): Use hashval_t in its prototype.
6087 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6089 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6092 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6093 (hppa*64*-*-hpux11*): Ditto.
6094 (hppa[12]*-*-hpux11*): Ditto.
6096 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6099 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6101 2006-05-09 Michael Matz <matz@suse.de>
6103 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6104 host_extra_gcc_objs and host_xmake_file.
6105 (<*-*-linux*>): Don't overwrite host_xmake_file.
6106 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6107 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6108 (host_detect_local_cpu): Declare.
6109 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6110 * config/i386/i386.c (override_options): Handle -mtune=native
6112 * config/i386/x-i386: New file.
6113 * config/i386/driver-i386.c: New file.
6114 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6117 2006-05-09 Dirk Mueller <dmueller@suse.de>
6118 Richard Guenther <rguenther@suse.de>
6121 * fold-const.c (fold_read_from_constant_string): Relax check
6122 for matching types to matching modes.
6124 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6126 PR rtl-optimization/27335
6127 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6130 2006-05-08 Chao-ying Fu <fu@mips.com>
6131 Richard Sandiford <richard@codesourcery.com>
6133 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6134 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6135 * config/mips/mips.md (UNSPEC_SCC): New constant.
6136 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6137 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6138 (mips_emit_compare): Use it.
6139 (mips_expand_vcondv2sf): New function.
6141 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6143 Fix PR tree-optimization/27093
6144 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6145 renaming when they become not-used_alone.
6147 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6149 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6150 relocation and relocation stubs.
6152 2006-05-08 Eric Christopher <echristo@apple.com>
6154 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6157 2006-05-08 Jan Hubicka <jh@suse.cz>
6160 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6161 unused static functions are needed.
6163 2006-05-08 Roger Sayle <roger@eyesopen.com>
6166 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6167 of a reg_equiv_constant if the result is a legitimate constant.
6169 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6172 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6173 standard 80387 constants, raise the cost to prevent
6174 compress_float_constant() to generate load from memory.
6176 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6178 * config/arm/constraints.md (c): Fix a typo.
6180 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6183 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6186 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6188 (_mm_mwait): Likewise.
6190 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6192 (sse3_monitor): Make it 32bit only.
6193 (sse3_monitor64): New. 64bit monitor.
6195 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6198 * config/i386/i386.c (classify_argument): Skip fields with invalid
6201 2006-05-07 Richard Guenther <rguenther@suse.de>
6203 PR tree-optimization/27409
6204 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6205 Do not try to find zero-sized subvars.
6207 2006-05-07 Richard Guenther <rguenther@suse.de>
6209 PR tree-optimization/27136
6210 * tree-ssa-loop-niter.c (get_val_for): Correct function
6211 comment, assert requirements.
6212 (loop_niter_by_eval): Stop processing if the iterated
6213 value did not simplify.
6215 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6217 * opts.c (flag_see): remove its setting at -O3.
6219 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6221 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6222 * arm/constraints.md: New file.
6223 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6224 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6225 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6226 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6227 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6228 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6229 * arm.md: Include constraints.md.
6230 (thumb_movsi_insn): Use satisfies_constraint_J.
6231 (movhi, movqi): Use satisfies_constraint_I.
6233 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6235 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6236 for atmeg a645 device.
6238 2006-05-06 Richard Guenther <rguenther@suse.de>
6240 PR tree-optimization/27151
6241 * tree-vect-transform.c (vectorizable_condition): Punt on
6242 values that have a different type than the condition.
6244 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6247 * c-parser.c (c_parser_cast_expression): Only insert casts into
6248 hash table if pointer.
6249 * function.c (used_types_insert_helper): Rename from
6251 (used_types_insert): Call used_types_insert_helper.
6252 * function.h (used_types_insert): Accept only one argument.
6254 2006-05-05 David Edelsohn <edesohn@gnu.org>
6256 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6257 scratch with output modifier.
6259 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6262 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6263 with output modifier.
6265 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6268 * config/mips/mips.c (mips_symbolic_address_p): Return true
6269 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6270 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6272 2006-05-04 Richard Guenther <rguenther@suse.de>
6274 PR tree-optimization/14287
6275 PR tree-optimization/14844
6276 PR tree-optimization/19792
6277 PR tree-optimization/21608
6278 PR tree-optimization/27090
6279 * tree-ssa-pre.c (try_combine_conversion): New function.
6280 (compute_avail): After constructing the value-handle
6281 expression, use try_combine_conversion to combine NOP_EXPRs
6282 with previous value-handle expressions and use the result if it
6285 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6287 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6289 2006-05-04 Jan Hubicka <jh@suse.cz>
6292 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6294 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6296 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6297 that this only matches CONST_INTs. All users changed to VOIDmode
6300 * config/bfin/bfin.c: Include "optabs.h".
6301 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6303 (enum bfin_builtins): Add a number of fractional and vector builtins.
6304 (bfin_init_builtins): Likewise.
6305 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6306 (safe_vector_operand, bfin_expand_binop_builtin,
6307 bfin_expand_unop_builtin): New functions.
6308 (bfin_expand_builtin): Handle the new builtins.
6309 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6312 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6315 * Makefile.in (OBJS-common): Add see.o.
6316 (see.o): Add dependencies.
6317 * common.opt (fsee): New flag for the see optimization was added.
6318 * opts.c (flag_see): Initialized.
6319 * passes.c (init_optimization_passes, pass_see): New pass.
6320 * rtl.h (see_main): Declaration as extern.
6321 * timevar.def (TV_SEE): New.
6322 * tree-pass.h (pass_see): Declaration as extern.
6323 * invoke.texi (-fsee): Document.
6324 * recog.c (validate_simplify_insn): New function.
6325 * recog.h (validate_simplify_insn): Declaration as extern.
6326 * df-problems.c (df_chain_dump): Check for NULL.
6328 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6329 Daniel Berlin <dberlin@dberlin.org>
6331 * cfgrtl.c (insert_insn_bb_end_new): New function.
6332 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6334 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6336 * df.h (struct web_entry): Moved from web.c.
6337 (union_defs): Declaration as extern.
6338 (unionfind_root): Likewise.
6339 (unionfind_union): Likewise.
6340 * web.c (struct web_entry): Moved to df.h.
6341 (unionfind_root): Remove static declaration.
6342 (unionfind_union): Likewise.
6343 (union_defs): Likewise and generalize to use callback function.
6344 (web_main): Update arguments for union_defs function call.
6346 2006-05-04 Richard Guenther <rguenther@suse.de>
6348 PR tree-optimization/26447
6349 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6350 produce SSA_NAME copies before the store stmt to avoid
6351 breaking exception handling.
6353 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6356 * gimplify.c (omp_is_private): If var is shared in some outer context,
6357 return false instead of true. Stop searching on parallel context
6360 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6363 * coverage.c: Use get_gcov_unsigned_t() instead of
6364 unsigned_type_node all over.
6366 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6368 PR tree-optimization/27381
6369 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6370 maintain the same immediate_use links.
6371 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6372 node rather than segfaulting.
6374 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6377 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6378 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6379 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6381 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6383 Fix PR tree-optimization/26626
6384 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6386 * tree-ssa-operands.c (access_can_touch_variable): Allow
6387 typecasting through union pointers.
6389 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6392 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6393 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6394 to find if var will be a global variable even in the nested context.
6395 (omp_copy_decl): Only check for global variable at the end, it might
6396 be overridden in outer contexts.
6397 (scan_sharing_clauses): For global variables don't create a field.
6398 (lower_rec_input_clauses): Do nothing for global shared variables.
6399 Emit a barrier at the end of ILIST if there were any decls in both
6400 firstprivate and lastprivate clauses.
6401 (lower_send_clauses): Do nothing for global variables except for
6404 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6406 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6407 of the correct signedness is returned.
6409 2006-05-02 Jeff Law <law@redhat.com>
6411 PR tree-optimization/27364
6412 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6413 multiply expressions.
6415 2006-05-02 Tom Tromey <tromey@redhat.com>
6417 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6419 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6422 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6423 -mthumb -fPIC are used.
6425 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6426 Joshua Kinard <kumba@gentoo.org>
6429 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6430 with 64-bit pointers.
6432 2006-05-02 Paul Brook <paul@codesourcery.com>
6434 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6436 (create_fix_barrier): Check that a suitable barrier location is
6438 (arm_reorg): Include ftmp->address in allowable range of addresses.
6440 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6443 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6446 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6449 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6450 around RESULT_DECL for result passed by reference.
6451 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6452 * omp-low.c (use_pointer_for_field): Don't look at
6453 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6454 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6455 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6456 time or var for passing by reference for
6457 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6458 TREE_ADDRESSABLE variables when passing by reference.
6460 * omp-low.c (dump_omp_region): Fix output formatting.
6463 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6464 (expand_omp_parallel): Likewise.
6465 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6468 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6469 on statement list containing also constructors and destructors.
6470 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6473 * except.c (duplicate_eh_regions): Fix clearing of
6474 cfun->eh->region_array entries.
6476 2006-05-01 DJ Delorie <dj@redhat.com>
6478 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6480 (gcc_cv_objdump): Likewise.
6481 * configure: Regenerated.
6483 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6486 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6487 templates for case 3 and 4.
6489 2006-05-01 DJ Delorie <dj@redhat.com>
6491 * vec.c: Include bconfig.h when appropriate.
6492 * Makefile.in (build/vec.o): Adjust dependencies.
6493 * mkconfig.sh: Make sure config.h isn't used for build machine
6496 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6498 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6500 (mark_phi_for_rewrite): New function.
6501 (insert_phi_nodes_for, mark_use_interesting): Call
6502 mark_phi_for_rewrite.
6503 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6504 (update_ssa): Initialize and free phis_to_rewrite.
6506 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6508 PR rtl-optimization/27291
6509 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6510 folded to a constant.
6512 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6514 PR tree-optimization/27283
6515 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6516 not whole # of iteration descriptions.
6517 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6518 uses abnormal ssa name.
6519 (niter_for_single_dom_exit): Ditto.
6520 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6521 return just the number of iterations.
6523 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6525 PR tree-optimization/27144
6526 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6527 (record_estimate): Only record constant upper bound.
6528 (infer_loop_bounds_from_undefined): Call
6529 compute_estimated_nb_iterations just once.
6530 (proved_non_wrapping_p): Renamed to ...
6531 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6532 (convert_step_widening, scev_probably_wraps_p): Call
6533 n_of_executions_at_most instead of proved_non_wrapping_p.
6534 (substitute_in_loop_info): Do not replace values in bounds.
6535 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6538 2006-05-01 Richard Henderson <rth@redhat.com>
6541 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6542 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6545 2006-05-01 Roger Sayle <roger@eyesopen.com>
6547 * c-typeck.c (parser_build_binary_op): Don't call the function
6548 unsigned_conversion_warning to spot operand/result type overflow.
6549 (build_binary_op): Instead, call convert_and_check instead of
6550 convert to report the problem when the operands are promoted.
6551 * c-common.c (unsigned_conversion_warning): Make static.
6552 * c-common.h (unsigned_conversion_warning): Delete prototype.
6554 2006-05-01 Richard Guenther <rguenther@suse.de>
6556 PR tree-optimization/26726
6557 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6559 (find_interesting_uses_address): ... we work around here
6560 by folding INDIRECT_REFs in the substituted base.
6562 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6564 * omp-low.c (dump_omp_region): Add newlines.
6566 2006-04-30 Roger Sayle <roger@eyesopen.com>
6568 * common.opt (Woverflow): New command line option.
6569 * c-common.c (constant_expression_warning): Check warn_overflow.
6570 (overflow_waring): Pass OPT_Woverflow to warning.
6571 (unsigned_conversion_warning): Likewise.
6572 (convert_and_check): Likewise.
6573 * doc/invoke.texi: Document new command line option.
6575 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6577 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6578 TARGET_NO_FP_IN_TOC for section anchors.
6579 (optimization_options): Enable section anchors for all
6580 non-"Objective" languages.
6582 2006-04-28 Eric Christopher <echristo@apple.com>
6584 * config/darwin-c.c (darwin_ms_struct): Move this
6585 (darwin_set_default_type_attributes): and this...
6586 * config/darwin.c: ... here.
6587 * config/darwin.h (darwin_ms_struct): Declare.
6589 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6591 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6593 2006-04-28 Roger Sayle <roger@eyesopen.com>
6596 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6597 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6598 an unsigned HOST_WIDE_INT.
6599 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6601 (really_start_incremental_init): No need to call convert because
6602 bitsize_zero_node is already of type bitsizetype.
6603 (push_init_level): Extract the value of constructor_index as an
6604 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6605 (process_init_element): Likewise.
6607 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6609 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6610 value before passing to make_relative_prefix.
6612 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6615 * builtins.c (expand_builtin_memset): Expand val in original mode.
6617 2006-04-27 Eric Christopher <echristo@apple.com>
6619 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6620 with #ifndef/#endif.
6621 * config/darwin-c.c (darwin_ms_struct): New.
6622 (darwin_pragma_ms_struct): Ditto.
6623 (darwin_set_default_type_attributes): Ditto.
6624 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6625 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6626 Register ms_struct pragma.
6627 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6628 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6629 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6630 darwin_set_default_type_attributes if TARGET_MACHO.
6632 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6634 PR tree-optimization/26854
6635 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6636 * doc/tree-ssa.texi: Update immuse iterator documentation.
6637 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6638 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6639 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6640 first_safe_imm_use, next_safe_imm_use): Remove.
6641 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6642 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6643 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6644 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6645 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6646 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6647 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6648 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6649 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6650 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6651 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6652 (perfect_nestify): Use new iterator.
6653 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6655 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6656 (next_imm_name): New field in struct immediate_use_iterator_d.
6657 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6658 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6659 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6660 * tree-cfg.c (replace_uses_by): Use new iterator.
6661 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6662 * tree-ssa-operands.c (correct_use_link): Remove.
6663 (finalize_ssa_use_ops): No longer call correct_use_link.
6665 2006-04-27 Stuart Hastings <stuart@apple.com>
6667 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6668 * config/t-darwin (crt3.o): Use it.
6669 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6670 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6671 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6672 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6673 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6676 2006-04-27 Roger Sayle <roger@eyesopen.com>
6678 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6679 size, force the intermediate into a new pseudo rather instead of
6680 performing both a bitwise AND and a bitwise IOR in memory.
6682 2006-04-27 Richard Guenther <rguenther@suse.de>
6684 PR rtl-optimization/26685
6685 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6686 this one "max-flow-memory-locations".
6688 2006-04-27 Richard Guenther <rguenther@suse.de>
6690 PR tree-optimization/25148
6691 * tree-vrp.c (compare_values): Remove code dealing with
6692 comparisons against type min/max value. Honour overflow
6693 and negative constants in code dealing with comparisons
6694 of plus and minus expressions.
6695 (value_inside_range): Use fold_binary with LE_EXPR and
6696 GE_EXPR rather than compare_values.
6698 2006-04-27 Dirk Mueller <dmueller@suse.de>
6700 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6703 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6705 * basic-block.h (safe_insert_insn_on_edge): Removed.
6706 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6708 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6709 Paolo Bonzini <bonzini@gnu.org>
6712 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6713 (simplify_and_const_int): Same.
6715 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6717 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6719 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6722 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6723 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6724 cgraph_global_info_ready.
6727 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6730 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6731 either decl or init is error_mark_node.
6734 * tree-flow.h (struct omp_region): Add sched_kind.
6735 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6736 instead of extracting omp for data.
6737 (expand_omp_for): Save extracted sched_kind.
6739 2006-04-25 Roger Sayle <roger@eyesopen.com>
6741 * expmed.c (store_bit_field): Also check whether the bitsize is
6742 valid for the machine's "insv" instruction before moving the
6743 target into a pseudo for use with the insv.
6744 * config/i386/predicates.md (const8_operand): New predicate.
6745 * config/i386/i386.md (extv, extzv, insv): Use the new
6746 const8_operand predicate where appropriate.
6748 2006-04-25 DJ Delorie <dj@redhat.com>
6750 * doc/install.texi (Specific): Clarify that this is not a list of
6751 supported hosts or targets.
6753 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6755 PR rtl-optimization/26725
6756 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6757 block's BB_DIRTY flag.
6759 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6761 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6764 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6765 to print an integer.
6767 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6769 * varasm.c (align_variable): New function.
6770 (get_block_for_decl): Apply align_variable to DECL before
6771 calculating section information.
6772 (assemble_variable): Split out alignment computation.
6774 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6776 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6779 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6781 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6782 MODE_PARTIAL_INT mode.
6783 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6784 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6786 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6787 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6789 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6791 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6793 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6794 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6795 MACFLAG_IH): Likewise.
6796 (movstricthi_1): Renamed from "*movstricthi".
6797 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6798 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6799 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6800 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6801 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6802 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6803 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6804 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6805 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6806 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6807 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6808 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6809 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6810 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6811 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6813 * doc/rtl.texi (ss_ashift): Improve wording.
6815 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6817 * dwarf2out.c (verify_marks_clear): New.
6818 (prune_unused_types): Call verify_marks_clear initially, not
6821 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6823 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6824 * doc/rtl.texi: Document them.
6825 * simplify-rtx.c (simplify_unary_operation,
6826 simplify_binary_operation_1): Don't abort when we see them.
6828 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6831 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6832 * configure.ac: Completely disregard languages that are not
6834 * configure: Regenerated.
6836 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6837 Richard Guenther <rguenther@suse.de>
6839 PR tree-optimization/27236
6840 * tree-inline.c (copy_body_r): Make sure to copy
6841 TREE_THIS_VOLATILE flag.
6843 2006-04-24 Richard Guenther <rguenther@suse.de>
6846 * tree-complex.c (update_parameter_components): Don't handle
6847 unused parameters which have no default def.
6849 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6850 Richard Guenther <rguenther@suse.de>
6852 PR tree-optimization/27218
6853 * tree-inline.c (expand_call_inline): Strip useless type
6854 conversions for the return slot address.
6856 2006-04-24 Richard Guenther <rguenther@suse.de>
6858 * cfgloop.h (struct loops): Remove unused field array. Reorder
6860 (LOOP_PREFETCH): Remove.
6862 2006-04-24 Richard Guenther <rguenther@suse.de>
6864 PR tree-optimization/22525
6865 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6866 variable, adjust types of generated expressions.
6868 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6870 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6871 (tree-vect-patterns.o): Likewise.
6873 (cselib.o): Likewise.
6874 (loop-doloop.o): Likewise.
6875 (regclass.o): Likewise.
6876 (reload1.o): Likewise.
6877 (explow.o): Replace target.h with $(TARGET_H).
6878 (ipa-prop.o): Likewise.
6879 (ipa-cp.o): Likewise.
6880 (ipa-inline.o): Likewise.
6881 (reorg.o): Likewise.
6882 (reg-stack.o): Likewise.
6884 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6886 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6888 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6890 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6892 * configure.ac: Completely disregard languages that are not
6894 * configure: Regenerated.
6897 * c-common.h (c_build_bitfield_integer_type): Declare.
6898 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6899 * c-common.c (c_build_bitfield_integer_type): ... here.
6901 2006-04-23 Roger Sayle <roger@eyesopen.com>
6904 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6905 a SImode SUBREG of a floating point register after no_new_pseudos.
6907 2006-04-23 Roger Sayle <roger@eyesopen.com>
6909 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6910 identify potentially eliminable registers to additionally catch
6911 VIRTUAL_INCOMING_ARGS_REGNUM.
6912 (addsi3): Update the conditions on when to use addsi_small_int.
6914 2006-04-23 Roger Sayle <roger@eyesopen.com>
6917 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6918 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6919 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6921 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6923 * fold-const.c (range_predecessor): Use operand_equal_p
6924 as the predicate for equality.
6925 (range_successor): Likewise.
6927 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6930 * config/soft-fp/op-common.h: Fix a typo.
6932 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6935 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6936 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6938 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6940 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6942 * doc/tm.texi: Fix a typo.
6944 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6946 * dwarf2out.c (struct die_struct): Document that die_sib makes
6947 a circular linked list.
6948 (FOR_EACH_CHILD): New.
6949 (reverse_die_lists): Delete.
6950 (reverse_all_dies): Delete.
6951 (add_dwarf_attr): Correct documentation.
6952 (remove_child_with_prev): New.
6953 (remove_child_TAG): Update for change to die_struct, use
6954 remove_child_with_prev.
6955 (add_child_die): Update for change to die_struct.
6956 (splice_child_die): Use remove_child_with_prev and add_child_die.
6957 (print_die): Use FOR_EACH_CHILD.
6958 (die_checksum): Likewise.
6959 (assign_symbol_names): Likewise.
6960 (output_location_lists): Likewise.
6961 (build_abbrev_table): Likewise.
6962 (calc_die_sizes): Likewise.
6963 (mark_dies): Likewise.
6964 (unmark_dies): Likewise.
6965 (unmark_all_dies): Likewise.
6966 (output_die): Likewise.
6967 (prune_unused_types_mark): Likewise.
6968 (prune_unused_types_walk): Likewise.
6969 (same_die_p): Update for change to die_struct.
6970 (break_out_includes): Likewise.
6971 (prune_unused_types_prune): Likewise.
6972 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6973 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6975 (dwarf2out_finish): Don't call reverse_all_dies.
6977 2006-04-21 Eric Christopher <echristo@apple.com>
6979 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6980 in comments and function names.
6982 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6985 * c-typeck.c (digest_init): Robustify.
6987 * c-typeck.c (pop_init_level): Simplify.
6989 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6991 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6993 2006-04-21 Paul Brook <paul@codesourcery.com>
6995 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6996 hardware floating point.
6998 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7000 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7003 2006-04-21 Nick Clifton <nickc@redhat.com>
7005 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7008 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7011 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7012 C++ lang type in traceback table for Objective-C++.
7014 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7016 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7018 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7020 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7023 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7024 were errors. Remove check for erroneous objects.
7026 2006-04-20 Jeff Law <law@redhat.com>
7028 PR tree-optimization/26854
7029 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7030 checking for zero or one use.
7031 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7032 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7033 * tree-ssa-reassoc.c (negate_value): Similarly.
7034 (reassociate_bb): Similarly.
7036 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7038 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7039 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7040 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7042 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7044 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7045 fp regs if the last fp arg doesn't fit in regs.
7047 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7050 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7051 that the last insn has the REG_INC note.
7053 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7054 Nathan Sidwell <nathan@codesourcery.com>
7057 * stor-layout.c (update_alignment_for_field): Do not align
7059 (place_union_field): Place union field at the start of the union.
7060 (place_field): Move ERROR_MARK check later, and use the current
7061 allocation position to maintain monotonicity.
7063 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7065 * dominance.c: Include timevar.h.
7066 (calculate_dominance_info): Use TV_DOMINANCE.
7067 * timevar.def (TV_DOMINANCE): New timevar.
7068 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7070 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7072 PR rtl-optimization/14261
7073 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7074 move would be an INSV insn.
7075 (noce_process_if_block): Don't optimize if the destination is a
7076 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7078 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7080 * config/s390/s390.md: Add comments with the instructions emitted
7081 by an insn pattern if macros are used.
7083 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7085 PR rtl-optimization/26026
7086 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7087 is a known power of two shifted left a variable amount.
7089 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7091 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7092 to hash table twice when the debug_str section has SECTION_MERGE.
7094 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7096 * config/soft-fp: New directory. From glibc.
7097 * config/soft-fp/t-softfp: New.
7098 * config/soft-fp/README: New.
7099 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7100 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7101 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7102 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7103 * config.gcc: Use rs6000/t-fprules-fpbit or
7104 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7106 * config/rs6000/sfp-machine.h: New. Based on glibc.
7107 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7109 * config/rs6000/t-fprules: Remove fp-bit rules.
7110 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7111 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7112 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7113 (softfp_wrap_start, softfp_wrap_end): New.
7115 2006-04-18 DJ Delorie <dj@redhat.com>
7117 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7119 2006-04-18 Devang Patel <dpatel@apple.com>
7121 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7123 2006-04-18 Nick Clifton <nickc@redhat.com>
7125 * config/sh/t-symbian: Add rule to build sh-c.o
7126 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7127 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7128 (sh_symbian_encode_section_info): Likewise.
7130 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7132 * builtins.c (expand_builtin_strcmp): Cover label definition of
7133 do_libcall with HAVE_cmpstrnsi.
7135 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7137 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7139 * function.h (temp_slot_p): New.
7140 (function): Change the type of x_used_temp_slots to
7141 VEC(temp_slot_p,gc) *.
7143 2006-04-18 Nick Clifton <nickc@redhat.com>
7145 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7146 flag_strength_reduce.
7148 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7150 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7154 Partial revert of revision 112637
7155 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7156 Dale Johannesen <dalej@apple.com>
7159 * regclass.c (struct reg_pref): Update documentation.
7160 (regclass): Set prefclass to NO_REGS if memory is the best option.
7161 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7163 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7165 PR tree-optimization/26821
7166 * tree-ssa-math-opts.c (get_constant_one): New.
7167 (insert_reciprocals): Use it.
7169 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7171 * dwarf2out.c (free_AT): Delete.
7172 (remove_AT): Update string ref counts.
7173 (remove_child_TAG): Don't call free_die.
7175 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7176 or DW_TAG_GNU_EINCL.
7177 (prune_unused_types_walk_attribs): Reset string refcounts.
7178 (prune_unused_types_update_strings): New.
7179 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7180 call free_die. Do call prune_unused_types_update_strings.
7181 (prune_unused_types): Empty debug_str_hash.
7183 2006-04-17 Roger Sayle <roger@eyesopen.com>
7185 * expr.c (expand_assignment): Optimize away no-op moves where the
7186 source and destination are equal and have no side-effects.
7188 2006-04-17 Richard Guenther <rguenther@suse.de>
7191 * reload.c (push_reload): Guard calls to get_secondary_mem
7194 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7196 * alias.c (reg_base_value, old_reg_base_value): Change the
7197 type to VEC(rtx,gc) *.
7198 (REG_BASE_VALUE, find_base_value, record_set,
7199 init_alias_analysis): Use VEC instead of VARRAY.
7201 * alias.c (alias_sets): Change the type to
7202 VEC(alias_set_entry,gc) *.
7203 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7204 VEC instead of VARRAY.
7205 (last_alias_set): Remove.
7207 * cgraph.h (cgraph_edge_p): New.
7208 Update the prototype of cgraph_function_versioning.
7209 * cgraphunit.c (cgraph_copy_node_for_versioning,
7210 cgraph_function_versioning): Use VEC instead of VARRAY.
7211 * ipa-cp.c (ipcp_insert_stage): Likewise.
7213 2006-04-16 Roger Sayle <roger@eyesopen.com>
7216 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7217 "A op B" or "A op C", we may need to convert A to the type of B and C.
7219 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7221 * target.h (struct gcc_target): Add mode_rep_extended.
7222 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7223 (init_num_sign_bit_copies_in_rep): Initialize it using
7225 (truncate_to_mode): Use it.
7226 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7227 * targhooks.h (default_mode_rep_extended): Declare it.
7228 * targhooks.c (default_mode_rep_extended): Define it.
7229 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7230 default_mode_rep_extended.
7231 (TARGET_INITIALIZER): Include it.
7232 * doc/tm.texi (Misc): Document it.
7233 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7234 (mips_truncated_to_mode): New function.
7236 2006-04-16 Roger Sayle <roger@eyesopen.com>
7239 * expr.c (compress_float_constant): Copy the narrow constant into
7240 a new pseudo before extending it to its final width.
7242 2006-04-16 Roger Sayle <roger@eyesopen.com>
7243 Andrew Pinski <pinskia@gcc.gnu.org>
7244 Dale Johannesen <dalej@apple.com>
7247 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7248 special case code to implement V8HImode and V16QImode with SSE2.
7250 2006-04-15 Roger Sayle <roger@eyesopen.com>
7252 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7253 trees are constructed with a suitable tree type.
7255 2006-04-15 Roger Sayle <roger@eyesopen.com>
7257 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7258 (integer_onep): Likewise.
7259 (integer_all_onesp): Likewise.
7260 (integer_pow2p): Likewise.
7261 (integer_nonzerop): Likewise.
7262 (real_zerop): Likewise.
7263 (real_onep): Likewise.
7264 (real_twop): Likewise.
7265 (real_minus_onep): Likewise.
7266 (int_size_in_bytes): Likewise.
7267 (host_integerp): Likewise.
7269 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7271 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7272 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7273 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7275 * tree-ssa-structalias.h (alias_info): Remove num_references.
7277 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7279 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7280 (output_bvb patterns): Likewise.
7281 * pa.c (output_bb): Use 'bb' insn for long branch case.
7282 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7283 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7284 1. Correct length operand for alternatives 1 and 2.
7285 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7286 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7288 2006-04-14 Roger Sayle <roger@eyesopen.com>
7290 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7291 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7292 were accidentally reverted by r112959.
7294 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7297 * except.h (eh_region_outermost): New prototype.
7298 * except.c (eh_region_outermost): New function.
7299 * tree-cfg.c (find_outermost_region_in_block): Use it.
7301 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7303 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7305 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7306 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7307 (init_reload, reload): Use VEC instead of VARRAY.
7308 * reload.h: Update the prototype for
7309 reg_equiv_memory_loc_varray.
7311 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7312 Eric Botcazou <ebotcazou@libertysurf.fr>
7314 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7317 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7320 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7321 to expand fallback builtin function call.
7323 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7326 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7327 and emit libcall here in case the builtin fails.
7328 (expand_builtin_strcmp): Always emit the libcall here on failure.
7330 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7332 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7333 * flow.c (reg_n_info): Change the type to
7334 VEC(reg_info_p,heap) *.
7335 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7337 * regs.h (reg_info_p): New.
7338 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7339 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7340 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7343 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7345 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7347 * params.h (MAX_SCHED_READY_INSNS): New macro.
7348 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7349 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7350 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7351 the ready list for 1 cycle during the first scheduling pass.
7352 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7354 2006-04-13 Richard Henderson <rth@redhat.com>
7357 * gimple-low.c (lower_omp_directive): Remove dead code.
7358 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7359 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7360 * omp-low.c (struct omp_region): Move to tree-flow.h.
7361 (root_omp_region): Export.
7362 (omp_regions, lookup_omp_region): Remove.
7363 (determine_parallel_type): Update for struct omp_region changes.
7364 (dump_omp_region): Dump regions with block numbers.
7365 (new_omp_region): Take type and block instead of stmt; malloc
7367 (free_omp_region_1, free_omp_regions): New.
7368 (expand_parallel_call): Take entry_stmt as argument; update for
7369 changes to omp_region.
7370 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7371 (remove_exit_barriers): New.
7372 (expand_omp_parallel): Update for struct omp_region changes.
7373 (expand_omp_synch): Likewise.
7374 (expand_omp): Likewise.
7375 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7376 (expand_omp_for_static_chunk): Likewise.
7377 (expand_omp_for): Likewise.
7378 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7379 (expand_omp_sections): Similarly, with GOMP_sections_end.
7380 (expand_omp_single): New.
7381 (build_omp_regions_1): Update for OMP_CONTINUE.
7382 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7383 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7384 OMP_SECTIONS_SECTIONS.
7385 (lower_omp_single_simple): Don't emit barrier here.
7386 (lower_omp_single_copy): Likewise.
7387 (lower_omp_single): Fix bindings, and lower to straightline now.
7388 (lower_omp_master, lower_omp_ordered): Likewise.
7389 (lower_omp_critical): Likewise.
7390 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7391 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7392 omp edges, free it afterward.
7393 (make_omp_sections_edges): Remove.
7394 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7395 (move_stmt_r): Handle OMP_CONTINUE.
7396 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7397 statement pointers to basic blocks. Add type member.
7398 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7399 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7400 * tree-inline.c (estimate_num_insns_1): Likewise.
7401 * tree-pretty-print.c (dump_generic_node): Likewise.
7402 * tree-ssa-operands.c (get_expr_operands): Likewise.
7403 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7404 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7405 (OMP_CONTINUE): New.
7406 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7407 (OMP_SECTIONS_SECTIONS): Remove.
7408 (OMP_SECTION_LAST): New.
7409 (OMP_RETURN_NOWAIT): New.
7411 2006-04-13 Roger Sayle <roger@eyesopen.com>
7413 * fold-const.c (native_encode_vector, native_interpret_real):
7414 Correct obvious mistakes in the previous check-in.
7416 2006-04-13 Roger Sayle <roger@eyesopen.com>
7418 * fold-const.c (native_encode_expr): New function to encode
7419 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7420 or VECTOR_CST into a specified buffer.
7421 (native_encode_int): New function.
7422 (native_encode_real): New function.
7423 (native_encode_complex): New function.
7424 (native_encode_vector): New function.
7425 (native_interpret_expr): Inverse of native_encode_expr to convert
7426 a target representation into an INTEGER_CST, REAL_CST etc...
7427 (native_interpret_int): New function.
7428 (native_interpret_real): New function.
7429 (native_interpret_complex): New function.
7430 (native_interpret_vector): New function.
7431 (fold_view_convert_expr): New function to constant fold/evaluate
7432 a VIEW_CONVERT_EXPR of a suitable constant expression.
7433 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7434 Change call of build1 to fold_build1 when constructing a
7437 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7438 Ulrich Weigand <uweigand@de.ibm.com>
7441 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7444 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7447 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7448 optimize to lo_sum for DFmode if !TARGET_FPRS.
7450 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7452 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7453 delete_alias_info, compute_flow_sensitive_aliasing,
7454 group_aliases): Use VEC instead of VARRAY.
7455 * tree-ssa-structalias.c (update_alias_info): Likewise.
7456 * tree-ssa-structalias.h (alias_info): Change the type of
7457 processed_ptrs to VEC(tree,heap) *.
7459 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7462 * config/sh/lib1funcs.h: New file, broken out of:
7463 * config/sh/lib1funcs.asm.
7464 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7466 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7467 * config/sh/lib1funcs-Os-4-200.asm: New file.
7468 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7469 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7470 (EXTRA_MULTILIB_PARTS): Include it.
7471 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7472 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7473 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7474 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7477 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7479 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7480 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7481 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7483 * tree-ssa-live.h: Include vecprim.h.
7484 (tree_partition_associator_d): Change the type of
7485 first_partition to VEC(int,heap) *.
7486 (tpa_first_partition): Use VEC instead of VARRAY.
7488 * Makefile.in (GTFILES): Move functions.h after tree.h.
7489 * function.c (reset_block_changes, record_block_change,
7490 check_block_change, free_block_changes): Use VEC instead of
7492 * function.h (function): Change the type of
7493 ib_boundaries_block to VEC(tree,gc) *.
7494 * tree-inline.c (copy_cfg_body): Initialize
7495 ib_boundaries_block to NULL instead of (varray_type) 0.
7497 2006-04-12 Roger Sayle <roger@eyesopen.com>
7499 * expr.c (emit_group_store): Correct operand order in call to
7500 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7501 a SUBREG_BYTE of zero.
7503 2006-04-12 Richard Guenther <rguenther@suse.de>
7505 * profile.c (compute_branch_probabilities): Remove code
7506 encapsulated in !ir_type (), which are remanents of the
7507 removed RTL profiling code.
7508 * rtl-profile.c: Remove.
7510 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7512 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7513 magic NULL_RTX comment.
7514 (function_arg): Store entire fp arg to mem if any part should go
7516 (rs6000_arg_partial_bytes): Adjust for above change.
7518 2006-04-11 Roger Sayle <roger@eyesopen.com>
7520 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7521 if it hasn't been initialized by dwarf2out_init.
7523 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7525 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7526 symbolic constants in branch patterns.
7528 2006-04-11 Roger Sayle <roger@eyesopen.com>
7530 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7532 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7534 PR rtl-optimization/27073
7535 * gcse.c (try_replace_reg): Revert last change. Continue to search
7536 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7539 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7541 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7542 aggregate types other than record and union types.
7543 (function_arg): Likewise.
7544 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7546 (function_value): In 64-bit mode, return objects that require it
7549 2006-04-11 Roger Sayle <roger@eyesopen.com>
7551 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7553 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7555 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7557 2006-04-03 Jeff Law <law@redhat.com>
7560 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7561 alias information too.
7563 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7565 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7567 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7570 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7571 (premark_used_types_helper): New.
7572 (premark_used_types): New.
7573 (gen_subprogram_die): Call premark_used_types.
7574 (prune_unused_types_walk): Do not prune perennial dies.
7575 * function.c (used_types_insert): New.
7576 * function.h (struct function): Add used_types_hash field.
7577 (used_types_insert): Add prototype.
7578 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7579 * c-parser.c (c_parser_cast_expression): Save casted types in used
7582 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7585 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7586 rs6000_explicit_options.float_gprs.
7588 2006-04-10 Roger Sayle <roger@eyesopen.com>
7590 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7591 from ix86_expand_vector_init_low_nonzero. Take an additional
7592 one_var argument indicating which element is non-zero. Support
7593 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7594 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7595 with one_var instead of ix86_expand_vector_init_low_nonzero.
7597 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7599 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7600 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7601 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7602 build/genextract.o): Depend on vecprim.h.
7603 * cfglayout.c, df-problems.c, function.c, genextract.c,
7604 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7605 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7609 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7611 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7612 Declare VECs of this type.
7613 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7614 (remove_children): Delete.
7615 (add_dwarf_attr): Use VEC routines.
7616 (add_AT_flag): Update for changes to add_dwarf_attr.
7617 (add_AT_int): Likewise.
7618 (add_AT_unsigned): Likewise.
7619 (add_AT_long_long): Likewise.
7620 (add_AT_vec): Likewise.
7621 (add_AT_string): Likewise.
7622 (add_AT_die_ref): Likewise.
7623 (add_AT_fde_ref): Likewise.
7624 (add_AT_loc): Likewise.
7625 (add_AT_loc_list): Likewise.
7626 (add_AT_addr): Likewise.
7627 (add_AT_lbl_id): Likewise.
7628 (add_AT_lineptr): Likewise.
7629 (add_AT_macptr): Likewise.
7630 (add_AT_offset): Likewise.
7631 (add_AT_range_list): Likewise.
7632 (get_AT): Use VEC_iterate.
7633 (remove_AT): Use VEC_ordered_remove.
7634 (free_die): Fold remove_children into here; have it use VEC_iterate.
7635 (print_die): Use VEC_iterate on attrs.
7636 (reverse_die_lists): Don't reverse attr lists.
7637 (die_checksum): Use VEC_iterate on attrs.
7638 (same_die_p): Likewise.
7639 (output_location_lists): Likewise.
7640 (build_abbrev_table): Likewise.
7641 (size_of_die): Likewise.
7642 (unmark_all_dies): Likewise.
7643 (output_abbrev_section): Likewise.
7644 (output_die): Likewise.
7645 (prune_unused_types_walk_attribs): Likewise.
7647 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7649 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7651 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7654 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7656 2006-04-09 Roger Sayle <roger@eyesopen.com>
7658 * expr.c (store_constructor): Don't bother clearing target if
7659 we're about to assign a vector to it using vec_init_optab.
7661 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7663 * tree-ssa-alias.c (lhs_may_store_to): New function.
7664 (recalculate_used_alone): Handle LHS of calls.
7666 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7670 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7671 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7672 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7673 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7674 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7675 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7676 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7677 stubs. Add ".align 8" directives before all ".dword" directives.
7678 (GTHREAD_USE_WEAK): Revise comment.
7679 (TARGET_ATTRIBUTE_WEAK): Define.
7680 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7681 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7682 * stublib.c: New file.
7687 * pa.md (cbranch patterns): Revise arguments used in calls to
7688 output_cbranch, output_bb and output_bvd. Add long branch length
7690 (fbranch patterns): Handle long branches.
7691 (jump): Revise length check. Revise arguments for output_lbranch call.
7692 Add long branch length attributes.
7693 (decrement_and_branch_until_zero): Add long branch length attributes.
7694 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7695 Likewise. Revise arguments for output_parallel_addb and
7696 output_parallel_movb calls.
7697 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7698 output_parallel_movb and output_parallel_addb): Update prototypes.
7699 * pa.c (output_cbranch): Revise arguments. Correct handling of
7700 nullification in long branches.
7701 (output_lbranch): Add new argument to control extraction of delay
7703 (output_bb): Handle long branches.
7704 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7705 output_parallel_addb): Likewise.
7707 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7709 PR rtl-optimization/27073
7710 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7713 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7715 * tree.h (tree_memory_tag): Add old_used_alone.
7716 (SMT_OLD_USED_ALONE): New macro.
7717 * tree-ssa-alias.c (recalculate_used_alone): Stop
7718 marking things for renaming unnecessarily.
7720 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7722 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7723 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7724 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7725 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7726 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7727 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7728 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7729 spelling convensions.
7730 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7731 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7732 typos. Follow spelling conventions.
7734 2006-04-07 DJ Delorie <dj@redhat.com>
7736 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7737 passed on the stack.
7738 (m32c_init_cumulative_args): When a function returns a structure,
7739 always pass the pointer to that return area on the stack.
7740 (m32c_function_arg_advance): Don't increment the parameter number
7741 if we're processing the returned structure pointer.
7742 (pushm_info): Reverse order of registers.
7744 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7746 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7747 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7748 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7749 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7751 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7752 chrec_fold_multiply): Same.
7753 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7754 force_expr_to_var_cost): Same.
7755 * tree-mudflap.c (mf_xform_derefs_1): Same.
7756 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7758 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7760 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7761 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7764 2006-04-07 Jan Hubicka <jh@suse.cz>
7766 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7768 2006-04-07 Richard Guenther <rguenther@suse.de>
7770 PR tree-optimization/26135
7771 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7772 loads for store copy-prop.
7773 (copy_prop_visit_stmt): Likewise.
7775 2006-04-05 Robert Millan <robertmh@gnu.org>
7777 * config/i386/linux.h: Add a comment to mark macros that are
7778 being overriden in config/k*bsd-gnu.h.
7779 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7781 * config/knetbsd-gnu.h: Ditto.
7783 2006-04-06 Jan Hubicka <jh@suse.cz>
7787 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7790 2006-04-06 Mike Stump <mrs@apple.com>
7792 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7793 for HAVE_nonlocal_goto to be consistent.
7794 (expand_builtin_nonlocal_goto): Likewise.
7795 (expand_builtin_strcmp): Use #ifdef instead of #if
7796 for HAVE_cmpstrnsi to be consistent.
7798 2006-04-05 DJ Delorie <dj@redhat.com>
7800 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7803 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7805 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7806 got-relative addressing for anything but SImode.
7808 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7809 even if the calling function doesn't modify them.
7811 2006-04-05 Richard Guenther <rguenther@suse.de>
7813 PR tree-optimization/26919
7814 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7815 to cgraph_estimate_size_after_inlining.
7817 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7819 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7821 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7823 PR tree-optimization/26996
7824 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7825 VECTOR_TYPE variables.
7827 2006-04-05 Richard Guenther <rguenther@suse.de>
7829 PR tree-optimization/26763
7830 * fold-const.c (fold_comparison): Move folding of
7831 PTR + CST CMP PTR + CST ...
7832 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7834 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7836 * doc/install.texi (Prerequisites): Refine some wording on
7837 bootstrapping and ksh.
7838 Move the version numbers of DejaGnu here from the testing section
7839 and fix casing of names.
7840 Fix markup and clarify wording for autogen requirements.
7841 Refer to GCJ instead of just java.
7842 Refer to SVN instead of CVS.
7843 Describe diffutils as useful instead of necessary.
7844 (Downloading the source): Refer to SVN instead of CVS.
7845 Adjust a link to our web site accordingly.
7846 (Configuration): Fix casing of Bison.
7847 (Building): Refer to SVN instead of CVS.
7848 Fix a sentence on the use of Bison and remove duplicate (and
7849 incorrect) version number of Bison requirement.
7850 Remove one redundant list of packages needed for building.
7851 (Specific): Avoid reference to CVS.
7853 2006-04-04 Eric Christopher <echristo@apple.com>
7855 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7856 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7857 (rs6000_handle_struct_attribute): New.
7858 (rs6000_ms_bitfield_layout_p): Ditto.
7860 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7862 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7863 NULL for dso parameter to atexit_common.
7865 2006-04-04 Eric Christopher <echristo@apple.com>
7867 * config/i386/i386.c (machopic_output_stub): Output \t
7868 between instructions and operands.
7870 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7872 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7873 satisfies_constraint_[IL] to explicit tests on value.
7875 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7877 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7878 set_nb_iterations_in_loop): Use build_int_cst instead of
7880 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7881 build_int_cst instead of convert.
7883 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7885 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7886 new value 2 for incoming.
7887 * function.c (expand_function_start): Call struct_value_rtx
7889 * config/sparc/sparc.md: Comment updated_return.
7890 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7891 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7892 struct return if sparc_std_struct_return and incoming is 2.
7893 (print_operand): Do not adjust return if
7894 sparc_std_struct_return.
7896 2006-04-04 Roger Sayle <roger@eyesopen.com>
7898 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7899 convert in the middle-end.
7900 * expr.c (store_expr, store_constructor, get_inner_reference,
7901 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7903 * tree.c (build_range_type): Likewise.
7905 2006-04-04 Tom Tromey <tromey@redhat.com>
7907 * doc/install.texi (Prerequisites): Mention jar.
7909 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7911 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7914 2006-04-04 Matthias Klose <doko@debian.org>
7916 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7920 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7923 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7925 * doc/extend.texi (Function Attributes): Rewrite visibility
7926 attribute documentation.
7927 * doc/invoke.texi (C++ Dialect Options): Rewrite
7928 -fvisibility-inlines-hidden documentation to describe something
7929 entirely different, although in practise compatible.
7930 (Code Gen Options): Warn about system headers in -fvisibility=
7933 * doc/extend.texi (Other Builtins): Document that
7934 __builtin_nan is a compile-time constant only when its argument
7937 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7939 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7940 trying to remove TRUNCATE check if all bits outside the new mode
7941 are identical to the sign bit.
7943 2006-04-03 Jeff Law <law@redhat.com>
7945 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7946 and operand scanning in some common cases.
7948 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7949 Dale Johannesen <dalej@apple.com>
7952 * regclass.c (struct reg_pref): Update documentation.
7953 (regclass): Set prefclass to NO_REGS if memory is the best option.
7954 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7955 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7956 into account. For non-registers, equate an empty preferred
7957 reload class to a `!' in the constraint; move the if clause to
7958 do so after those that reject the insn.
7959 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7961 (find_dummy_reload): Likewise.
7962 * doc/tm.texi (Register Classes): Document what it means
7963 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7964 * config/i386/i386.c (ix86_preferred_reload_class): Force
7965 using SSE registers (and return NO_REGS for floating-point
7966 constants) if math is done with SSE.
7967 (ix86_preferred_output_reload_class): New.
7968 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7969 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7970 * config/i386/i386.md: Remove # register preferences.
7972 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7975 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7976 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7977 the type of nb_iter.
7978 (instantiate_parameters_1): Convert the operands before calling
7979 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7980 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7982 2006-04-02 Roger Sayle <roger@eyesopen.com>
7984 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7985 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7987 * dojump.c (do_jump): Likewise.
7988 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7989 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7990 gimplify_boolean_expr): Likewise.
7991 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7992 * varasm.c (array_size_for_constructor): Likewise.
7993 * tree-object-size.c (compute_object_offset): Likewise.
7995 2006-04-02 Roger Sayle <roger@eyesopen.com>
7998 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7999 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8001 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8003 PR tree-optimization/26939
8004 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8006 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8008 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8009 at_stmt. Convert the type of operands before calling
8010 build_polynomial_chrec.
8011 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8013 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8014 (instantiate_parameters_1): Convert the type of operands before calling
8015 build_polynomial_chrec.
8016 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8017 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8018 reset_evolution_in_loop): Insert asserts to check the types of the
8020 (chrec_type): Moved...
8021 (eq_evolutions_p): Use operand_equal_p.
8022 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8023 the types of the operands.
8024 (chrec_type): ...here.
8025 * tree-data-ref.c (create_data_ref): Convert the operands before
8026 calling chrec_replace_initial_condition.
8027 (same_access_functions, analyze_subscript_affine_affine,
8028 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8029 (compute_subscript_distance, analyze_ziv_subscript,
8030 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8031 analyze_miv_subscript): Convert the operands before calling
8032 chrec_fold_minus or chrec_fold_plus.
8034 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8036 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8037 the dependence_relations vector.
8038 (compute_data_dependences_for_loop): Adjust call to
8039 compute_all_dependences.
8041 2006-04-01 Roger Sayle <roger@eyesopen.com>
8042 Richard Henderson <rth@redhat.com>
8044 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8045 gimple_boolify on the condition before calling gimplify_expr.
8047 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8049 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8050 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8051 the frame size. Update to use the new macros.
8052 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8053 * config/xtensa/ieee754-df.S: Likewise.
8055 2006-03-31 Richard Henderson <rth@redhat.com>
8057 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8058 (make_edges): ... here. Control fallthru creation with a local
8059 variable. Do not play with fake edges.
8060 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8061 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8064 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8066 * dwarf2.h (DW64_CIE_ID): Define.
8067 * dwarf2out.c (DWARF_CIE_ID): Define.
8068 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8069 length header. Use DWARF_CIE_ID.
8070 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8071 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8073 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8075 * config/sh/linux-atomic.asm: New file.
8076 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8078 2006-03-31 DJ Delorie <dj@redhat.com>
8080 * config/m32c/cond.md: Set condition flags properly throughout.
8081 * config/m32c/minmax.md: Likewise.
8082 * config/m32c/prologue.md: Likewise.
8083 * config/m32c/bitops.md: Likewise.
8084 * config/m32c/muldiv.md: Likewise.
8085 * config/m32c/mov.md: Likewise.
8086 * config/m32c/addsub.md: Likewise.
8087 * config/m32c/m32c.md: Likewise.
8088 * config/m32c/jump.md: Likewise.
8089 * config/m32c/shift.md: Likewise.
8091 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8092 conditionally output the pattern for this.
8093 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8094 (m32c_compare_redundant): New.
8095 (m32c_output_compare): New.
8096 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8098 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8099 dest, not src. Allow other 4-byte modes.
8101 2006-03-30 Denis Chertykov <denisc@overta.ru>
8103 * doc/md.texi: Refer to avr/constraints.md instead of
8106 2006-03-30 Roger Sayle <roger@eyesopen.com>
8108 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8109 signed vs. unsigned comparison failures on some hosts.
8111 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8114 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8115 change to FLOAT_REGS.
8117 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8118 (rs6000_override_options): Use it.
8119 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8120 only for -mabi=spe/no-spe and -mabi=altivec.
8122 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8124 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8127 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8129 * Makefile.in: Rename docdir to gcc_docdir.
8131 2006-03-30 Roger Sayle <roger@eyesopen.com>
8134 * expr.c (emit_group_store): Optimize group stores into a pseudo
8135 register by using a paradoxical subreg to initialize the destination
8136 if the first or last member of the group specifies a "low part".
8138 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8141 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8142 * target.h (struct gcc_target.speculate_insn): Change type of the
8143 second parameter to 'int'.
8144 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8145 the second operand of the DEPS_LIST.
8146 (copy_DEPS_LIST_list): Update reference to the second operand of the
8148 * rtl.h (alloc_DEPS_LIST): Update signature.
8149 * sched-int.h (ds_t): Change typedef to 'int'.
8150 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8152 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8154 * haifa-sched.c (try_ready): Change condition to restore
8155 non-speculative pattern of the instruction.
8156 (process_insn_depend_be_in_spec): Code to keep probability of the
8157 speculative dependence non-decreasing.
8159 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8161 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8162 (single_move_for_movmem): ... this. Also change all uses.
8163 (bfin_expand_strmov): Renamed to...
8164 (bfin_expand_movmem): ... this. Also change all uses.
8165 * config/bfin/bfin.md (movstrsi): Renamed to...
8166 (movstrsi): ...this.
8168 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8170 PR tree-optimization/26830
8172 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8173 (copy_prop_visit_stmt): Remove write-only variable ann.
8174 (init_copy_prop): Check variable loop depth here. Do not simulate
8175 memory-tag and virtual operand PHIs except for store copy prop.
8177 2006-03-30 Richard Guenther <rguenther@suse.de>
8179 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8180 variants with double arguments.
8182 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8184 * genpreds.c (write_tm_constrs_h): Delete variable p.
8185 * genconditions.c (write_header): Add tm-constrs.h to included
8187 * genpeep.c (main): Add toplev.h to included headers.
8188 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8189 (build/genpeep.o): Add toplev.h dependency.
8190 * config/rs6000/constraints.md: Add "W" constraint.
8192 2006-03-29 Roger Sayle <roger@eyesopen.com>
8194 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8195 sizes by correctly testing whether the size fits a host integer.
8196 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8197 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8198 SImode range for the default sizetype and bitsizetype.
8200 2006-03-29 Roger Sayle <roger@eyesopen.com>
8202 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8203 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8204 quickly if the argument is already of the correct type.
8205 Call fold_build1 instead of build1. Tidy up blank lines.
8207 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8209 * genemit.c (main): Add tm-constrs.h to included headers.
8210 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8211 * genpeep.c (main): Add tm-constrs.h to included headers.
8212 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8213 (write_tm_constrs_h): this and write complete file.
8214 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8215 (write_insn_preds_c): Add tm-constrs.h to included headers.
8216 (gen_constrs): New variable.
8217 (parse_option): Parse "-c".
8218 (main): Invoke write_tm_constrs_h.
8219 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8220 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8221 (object_out_file): Add tm-constrs.h dependency.
8222 (insn-emit.o): Same.
8223 (insn-output.o): Same.
8224 (insn-peep.o): Same.
8225 (insn-preds.o): Same.
8226 (insn-recog.o): Same.
8227 (tm-constsr.h): New target.
8228 (s-constrs-h): New target.
8230 * config/rs6000/constraints.md: New file.
8231 * config/rs6000/rs6000.c: Include tm-constrs.h.
8232 (num_insn_constant_wide): Convert to satisfies_constraint.
8233 (rs6000_rtx_costs): Convert to satisfies_constraint.
8234 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8235 (CONST_OK_FOR_LETTER_P): Delete.
8236 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8237 (EXTRA_CONSTRAINT): Delete.
8238 (EXTRA_MEMORY_CONSTRAINT): Delete.
8239 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8240 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8241 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8242 satisfies_constraint.
8244 * config/i386/i386.c: Include tm-constrs.h.
8246 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8248 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8249 * tree-data-ref.c (find_data_references_in_loop,
8250 compute_data_dependences_for_loop): Use pointers to VEC.
8251 (analyze_all_data_dependences): Adjust calls.
8252 * tree-data-ref.h (find_data_references_in_loop,
8253 compute_data_dependences_for_loop): Adjust declarations.
8254 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8255 compute_data_dependences_for_loop.
8257 2006-03-29 Paul Brook <paul@codesourcery.com>
8259 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8262 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8264 PR tree-optimization/26859
8265 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8267 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8268 for the step after fold_convert.
8270 2006-03-29 Paul Brook <paul@codesourcery.com>
8272 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8273 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8275 2006-03-29 Paul Brook <paul@codesourcery.com>
8278 * targhooks.c (default_narrow_bitfield): New fuction.
8279 * targhooks.h (default_narrow_bitfield): add prototype.
8280 * target.h (gcc_target): Add narrow_volatile_bitfield.
8281 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8282 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8283 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8284 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8286 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8288 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8290 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8291 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8292 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8293 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8294 (s390_function_arg_float): Allow SDmode and DDmode values to be
8295 passed in floating point registers.
8296 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8297 check with SCALAR_FLOAT_MODE_P.
8298 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8300 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8302 PR tree-optimization/25985
8303 * tree-ssa-loop-niter.c (number_of_iterations_le,
8304 number_of_iterations_ne): Make comments more precise.
8305 (number_of_iterations_cond): Add only_exit argument. Use the
8306 fact that signed variables do not overflow only when only_exit
8308 (loop_only_exit_p): New.
8309 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8310 number_of_iterations_cond.
8312 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8314 PR tree-optimization/26643
8315 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8318 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8320 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8321 (divsi3_i4_int): Likewise.
8323 2006-03-28 Roger Sayle <roger@eyesopen.com>
8325 * expr.c (emit_group_store): Only create a new pseudo reg if the
8326 quantity it needs to hold isn't already a suitable pseudo.
8328 2006-03-28 Jeff Law <law@redhat.com>
8330 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8331 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8333 2006-03-28 Roger Sayle <roger@eyesopen.com>
8335 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8336 the equivalent ~X & Y, and the symmetry related transformations.
8337 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8338 ~X & Y, and symmetry related transforms.
8340 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8342 Revert my 2006-03-27 patches.
8344 2006-03-28 Roger Sayle <roger@eyesopen.com>
8346 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8347 ~(T1)X, when T1 and T2 are integer types of the same precision
8348 and (T2)X isn't an extension.
8350 2006-03-28 Jeff Law <law@redhat.com>
8352 PR tree-optimization/26796
8353 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8354 need EH edge cleanups rather than purging them immediately.
8355 (eliminate_degenerate_phis): Handle queued EH cleanups.
8357 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8359 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8362 2006-03-27 Roger Sayle <roger@eyesopen.com>
8365 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8366 cast BIT_NOT_EXPR operand to the correct type.
8368 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8370 * tree-loop-linear.c: Don't include varray.h.
8371 (gather_interchange_stats, try_interchange_loops,
8372 linear_transform_loops): Use VEC instead of VARRAY.
8373 * lambda-mat.c: Don't include varray.h.
8374 * tree-chrec.c: Same.
8375 * lambda-trans.c: Same.
8376 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8377 VEC instead of VARRAY.
8378 * tree-vectorizer.h: Idem.
8379 * tree-data-ref.c (dump_data_references,
8380 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8381 initialize_data_dependence_relation, finalize_ddr_dependent,
8382 compute_all_dependences, find_data_references_in_loop,
8383 compute_data_dependences_for_loop, analyze_all_data_dependences,
8384 free_dependence_relation, free_dependence_relations,
8385 free_data_refs): Idem.
8386 * tree-data-ref.h (data_reference_p, subscript_p): New.
8387 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8388 VEC instead of VARRAY.
8389 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8390 (find_data_references_in_loop, compute_data_dependences_for_loop,
8391 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8392 dump_data_dependence_relations, free_dependence_relations,
8393 free_data_refs): Adjust declaration.
8394 (lambda_transform_legal_p): Move declaration here...
8395 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8396 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8397 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8398 vect_analyze_data_refs): Use VEC instead of VARRAY.
8399 * lambda.h (lambda_transform_legal_p): ...from here.
8400 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8401 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8402 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8403 tree-chrec.o): Don't depend on VARRAY_H.
8405 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8407 * rtl.def (Copyright): Update date.
8408 (DEPS_LIST): Change type of the second operand to 'int'.
8409 * target.h (Copyright): Update date.
8410 (struct gcc_target.speculate_insn): Change type of the second parameter
8412 * lists.c (Copyright): Update date.
8413 (alloc_DEPS_LIST): Change signature. Update reference to the second
8414 operand of the DEPS_LIST.
8415 (copy_DEPS_LIST_list): Update reference to the second operand of the
8417 * rtl.h (Copyright): Update date.
8418 (alloc_DEPS_LIST): Update signature.
8419 * sched-int.h (Copyright): Update date.
8420 (ds_t): Change typedef to 'int'.
8421 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8423 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8425 * haifa-sched.c (Copyright): Update date.
8426 (try_ready): Change condition to restore non-speculative pattern
8428 (process_insn_depend_be_in_spec): Code to keep probability of the
8429 speculative dependence non-decreasing.
8431 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8433 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8434 shut up the compiler.
8436 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8438 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8439 to use lib prefix for target.
8440 ($(T)libic_invalidate_array_4-200.a): Likewise.
8441 ($(T)libic_invalidate_array_4a.a): Likewise.
8443 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8444 J"orn Rennecke <joern.rennecke@st.com>
8446 * superh.opt: New file.
8447 * sh.c (boardtype, osruntime): Remove.
8448 * superh.h (SUBTARGET_OPTIONS): Remove.
8449 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8451 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8452 arguments with ^ and/or [].
8454 * config.gcc (sh-*-*): Add quoting to account for quirk of
8456 Replace == with = in enable_incomplete_targets test.
8458 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8459 with MASK_LITTLE_ENDIAN.
8461 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8462 * config/sh/sh.opt: Added to some comments.
8463 * config/sh/superh.h: Removed some chaff.
8465 * config/sh/sh.opt: Add m4-[1234]00* options.
8466 * config/sh/sh.c (sh_handle_option): Likewise.
8467 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8468 (ic_invalidate_array_4-100.o): New rule.
8469 ($(T)libic_invalidate_array_4-100.a): Likewise.
8470 (ic_invalidate_array_4-200.o): Likewise.
8471 ($(T)libic_invalidate_array_4-200.a): Likewise.
8472 (ic_invalidate_array_4a.o): Likewise.
8473 ($(T)libic_invalidate_array_4a.a): Likewise.
8474 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8475 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8477 * config/sh/crt1.asm: Merged in profiling code.
8478 * config/sh/superh.h (STARTFILE_SPEC): Override.
8479 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8480 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8481 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8483 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8484 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8485 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8487 * sh.opt (mpretend-cmove): New option.
8488 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8489 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8490 (movsicc): Add TARGET_PRETEND_CMOVE code.
8492 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8494 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8495 s390_class_max_nregs): New function prototypes.
8496 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8497 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8498 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8499 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8501 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8503 * dwarf2out.c (add_location_or_const_value_attribute): Call
8504 tree_add_const_value_attribute if nothing else works.
8505 (reference_to_unused): New.
8506 (rtl_for_decl_init): Use reference_to_unused to decide whether
8507 to output an initializer.
8509 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8512 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8513 peephole removing spe frob_di_df_2.
8515 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8517 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8518 (subscript_dependence_tester_1): Declared.
8519 (print_dir_vectors, print_dist_vectors): New.
8520 (debug_data_dependence_relation): New.
8521 (dump_data_dependence_relation): Print more details.
8522 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8523 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8524 (save_dist_v, save_dir_v, add_outer_distances,
8525 build_classic_dist_vector_1): New.
8526 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8527 Don't test for lambda_vector_lexico_pos.
8528 (same_access_functions, add_multivariate_self_dist,
8529 add_other_self_distances, dir_from_dist): New.
8530 (build_classic_dir_vector): Replace implementation almost identical to
8531 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8533 (subscript_dependence_tester_1): New.
8534 (subscript_dependence_tester): Handle the lexicographically negative
8535 distance vectors by recomputing the dependence relation.
8536 (compute_affine_dependence): Remove parameter loop_nest_depth.
8537 (compute_self_dependence): Don't call compute_subscript_distance.
8538 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8539 Add a parameter for the loop_nest.
8540 (find_loop_nest_1, find_loop_nest): New.
8541 (compute_data_dependences_for_loop): Compute the loop nest, and give
8542 up if the nest is not well formed.
8543 * tree-data-ref.h (loop_p): New.
8544 (struct data_dependence_relation): Replace size_vect field with
8545 loop_nest, a vec of loops.
8546 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8547 (DDR_LOOP_NEST): New.
8548 (print_dir_vectors, print_dist_vectors,
8549 debug_data_dependence_relation): Declared.
8550 (index_in_loop_nest): New.
8551 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8552 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8555 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8557 * simplify-rtx.c (simplify_relational_operation): Call
8558 simplify_relational_operation_1 even if mode is VOIDmode.
8560 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8562 PR tree-optimization/26804
8563 * tree.h (DECL_CALL_CLOBBERED): New macro.
8564 (tree_decl_common): Add call_clobbered_flag.
8565 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8566 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8567 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8568 (mark_non_addressable): Ditto.
8569 * tree-ssa.c (verify_call_clobbered): New function.
8570 (verify_alias_info): Use it.
8571 * tree-pass.h (pass_reset_cc_flags): New prototype.
8572 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8573 (reset_cc_flags): New function.
8574 * passes.c (init_optimization_passes): Call reset_cc_flags after
8575 initializing referenced_vars.
8577 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8578 Roger Sayle <roger@eyesopen.com>
8581 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8582 to 1.0 for non-real operands. Implement A / A optimization for
8585 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8587 * config/i386/i386.c (size_cost): Correct the comment for
8588 cost of storing fp registers.
8589 (i386_cost): Likewise.
8590 (i486_cost): Likewise.
8591 (pentium_cost): Likewise.
8592 (pentiumpro_cost): Likewise.
8593 (k6_cost): Likewise.
8594 (athlon_cost): Likewise.
8595 (k8_cost): Likewise.
8596 (pentium4_cost): Likewise.
8597 (nocona_cost): Likewise.
8598 (generic64_cost): Likewise.
8599 (generic32_cost): Likewise.
8601 2006-03-24 Denis Chertykov <denisc@overta.ru>
8603 * config/avr/avr-protos.h (extra_constraint): Delete.
8604 (extra_constraint_Q): New declaration.
8605 * config/avr/constraints.md: New file.
8606 * config/avr/avr.md: Include it.
8607 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8608 (TMP_REGNO, ZERO_REGNO): Likewise.
8609 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8610 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8611 (extra_constraint): Delete.
8612 (extra_constraint_Q): Test for memory constraint 'Q'.
8613 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8614 (REG_CLASS_FROM_LETTER): Delete.
8615 (CONST_OK_FOR_LETTER_P): Delete.
8616 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8617 (EXTRA_CONSTRAINT): Delete.
8618 (TMP_REGNO): Delete.
8619 (ZERO_REGNO): Delete.
8621 2006-03-24 Jeff Law <law@redhat.com>
8623 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8624 directly. Call mark_new_vars_to_rename slightly earlier.
8626 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8628 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8630 (gen_compile_unit_die): Use new language types for Objective-C and
8632 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8633 DW_LANG_C_plus_plus.
8636 * config/t-darwin (crt3.o): Work around bug 26840.
8637 * config/darwin-crt3.c: Rewrite.
8638 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8640 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8642 * doc/invoke.texi: Document -femit-class-debug-always
8643 * common.opt: Add -femit-class-debug-always.
8645 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8647 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8648 index and base register.
8649 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8650 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8651 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8652 REGNO_OK_FOR_INDEX_P.
8653 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8655 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8656 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8657 REG_OK_FOR_BASE_P): Definitions removed.
8659 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8662 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8663 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8664 set yet or weren't marked as local yet.
8666 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8668 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8671 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8673 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8674 (rs6000_legitimate_small_data_p): Delete.
8675 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8676 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8677 and make static. Add forward declaration. Update uses.
8678 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8679 of offsettable_memref_p.
8680 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8681 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8683 2006-03-24 Jeff Law <law@redhat.com>
8685 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8686 around bug in immediate-use iterator.
8688 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8691 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8692 or __LITTLE_ENDIAN__.
8694 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8696 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8697 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8698 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8699 * config/sh/sh.opt (mdiv=): Amend description.
8700 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8701 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8702 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8703 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8704 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8705 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8706 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8707 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8708 TARGET_DIVIDE_CALL_FP.
8710 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8712 * haifa-sched.c (choose_ready): Fix type of the local variable.
8713 Move local variables. Add comment.
8714 (check_reg_live): Change signature. Make callable from debugger.
8715 * sched-int.h (check_reg_live): Update signature.
8716 * sched-ebb.c (check_reg_live): Update parameters.
8717 * sched-rgn.c (check_reg_live): Ditto.
8718 (region_head_or_leaf_p): Check pointer before dereferencing.
8719 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8720 before reload on optimization levels below 1.
8722 2006-03-23 Richard Henderson <rth@redhat.com>
8724 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8728 * config/alpha/predicates.md (local_symbolic_operand): Reject
8731 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8734 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8735 expressions which have overflowed constants.
8737 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8739 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8741 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8743 * cfgloopmanip.c (create_loop_notes): Removed.
8744 * final.c (final_scan_insn): Do not handle loop notes.
8745 * jump.c (squeeze_notes): Ditto.
8746 * cfglayout.c (skip_insns_after_block,
8747 duplicate_insn_chain): Ditto.
8748 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8750 * cfgloop.h (create_loop_notes): Declaration removed.
8752 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8754 * varasm.c (output_constant_pool): Restore fnname and fndecl
8756 (assemble_start_function): Adjust call accordingly.
8757 (assemble_end_function): Likewise.
8759 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8762 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8765 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8767 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8770 * system.h (ICE_EXIT_CODE): New macro.
8771 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8772 (diagnostic_action_after_output): Likewise.
8773 * gcc.c (fatal_ice): New function.
8774 (execute): Use it instead of fatal.
8775 (fancy_abort): Likewise.
8776 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8778 2006-03-22 Jeff Law <law@redhat.com>
8780 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8781 iv_analyze_result returning false.
8783 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8785 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8787 2006-03-22 Richard Henderson <rth@redhat.com>
8790 * except.c (duplicate_eh_regions_0): New.
8791 (duplicate_eh_region_1): Duplicate the children of the node as
8792 well as the node itself. Link them up properly.
8793 (duplicate_eh_region_2): Merge into ...
8794 (duplicate_eh_regions): ... here. Take copy_region argument, and
8795 copy only a sub-tree if asked. Simplify copying and fixup.
8796 (eh_region_outer_p): New.
8797 * except.h (duplicate_eh_regions): Update decl.
8798 (eh_region_outer_p): Declare.
8799 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8800 (lower_omp_master): Likewise.
8801 (lower_omp_ordered): Likewise.
8802 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8803 (move_stmt_r): Use it to remap labels. Handle recursion vs
8804 remap_decls_p properly.
8805 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8806 (find_outermost_region_in_block): New.
8807 (new_label_mapper): New.
8808 (move_sese_region_to_fn): Copy eh information to the new function
8810 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8812 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8815 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8817 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8818 into shared libraries.
8820 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8822 * doc/md.texi: Refer to i386/constraints.md instead of
8824 * config/i386/constraints.md: New file, extracted from...
8825 * config/i386/predicates.md: ...here.
8826 * config/i386/i386.md: Include constraints.md.
8828 2006-03-21 Jason Merrill <jason@redhat.com>
8830 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8833 * expr.c (init_block_move_fn): Force default visibility.
8834 (init_block_clear_fn): Likewise.
8835 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8836 * targhooks.c (default_external_stack_protect_fail): Likewise.
8838 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8840 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8841 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8842 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8843 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8844 (loadgp): Use mips_current_loadgp_style.
8845 (loadgp_noshared): New pattern.
8846 (sibcall_internal): Use MIPS_CALL.
8847 (sibcall_value_internal): Likewise.
8848 (sibcall_value_multiple_internal): Likewise.
8849 (call_internal): Likewise.
8850 (call_value_internal): Likewise.
8851 (call_value_multiple_internal): Likewise.
8852 (call_split): Use MIPS_CALL and add an 'S' constraint.
8853 (call_value_split): Likewise.
8854 (call_value_multiple_split): Likewise.
8855 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8856 (-mshared): New option.
8857 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8858 (mips_current_loadgp_style): Declare.
8859 * config/mips/mips.c (mips_classify_symbol): Avoid using
8860 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8861 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8862 TARGET_ABSOLUTE_ABICALLS.
8863 (override_options): Adjust comments. Improve the warning that is
8864 issued when -mabicalls and -G are used together.
8865 (mips_file_start): Remove comment.
8866 (mips_current_loadgp_style): New function.
8867 (mips_gnu_local_gp): New variable.
8868 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8870 (mips_output_function_prologue): Use mips_current_laodgp_style.
8871 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8872 the cprestore instruction.
8873 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8874 live for TARGET_ABSOLUTE_ABICALLS.
8875 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8876 (ASM_SPEC): Pass down -mshared and -mno-shared.
8877 (MIPS_CALL): New macro.
8878 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8880 * doc/invoke.texi (-mabicalls): Update documentation.
8881 (-mshared): Document.
8883 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8885 * config/ia64/unwind-hpux.c: New file.
8886 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8888 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8891 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8893 2006-03-21 Jeff Law <law@redhat.com>
8895 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8896 type conversions of a VR_VARYING source to a wider type.
8898 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8900 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8901 tm_file on Solaris 10 and later.
8902 (sparc64-*-solaris2*): Likewise.
8903 (sparc-*-solaris2*): Likewise.
8904 * config/sol26.h: Rename to config/sol2-6.h.
8905 * config/sol2-10.h: New file.
8907 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8910 * tree-ssa-pre.c (create_component_ref_by_pieces):
8913 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8916 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8917 return it immediately.
8919 2006-03-21 Michael Matz <matz@suse.de>
8921 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8923 (remove_arc, add_arc): Update num_out_arcs member.
8924 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8926 (cache_presence): New function.
8927 (compare_states_for_equiv): New function.
8928 (state_is_differed): Don't take number of outargs, adjust callers.
8929 Use new invariant for speeding up.
8930 (init_equiv_class): Create initial classes based on sorted
8932 (partition_equiv_class): Don't track out_arcs_num.
8933 (evaluate_equiv_classes): Call cache_presence on all states and
8936 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8938 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8939 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8940 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8941 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8943 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8944 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8945 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8946 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8947 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8949 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8950 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8951 (REGNO_REG_CLASS): ARGP is in PREGS.
8952 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8954 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8955 to deal with those addresses.
8956 * addresses.h: New file.
8957 * caller-save.c: Include "addresses.h".
8958 (init_caller_save): Use new base_reg_class function.
8959 * rtl-factoring.c: Include "addresses.h".
8960 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8961 * recog.c: Include "addresses.h".
8962 (preprocess_constraints): Use new base_reg_class function.
8963 * regrename.c: Include "addresses.h".
8964 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8965 functions. Keep track of a new var INDEX_CODE to compute valid
8967 (replace_oldest_value_addr): Likewise.
8968 (replace_oldest_value_mem): Use base_reg_class.
8969 * reload.c: Include "addresses.h".
8970 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8971 (find_reloads): Use new base_reg_class function.
8972 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8973 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8974 all callers and prototype changed.
8975 * reload1.c: Include "addresses.h".
8976 (maybe_fix_stack_asms): Use base_reg_class.
8977 * regclass.c: Include "addresses.h".
8978 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8979 (init_reg_autoinc): Use new base_reg_class function.
8980 (record_reg_classes): Likewise.
8981 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8982 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8983 Use new args to compute necessary class.
8985 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8986 regrename.o, rtl-factoring.o): Update dependencies.
8987 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8988 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8989 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8990 REG_OK_FOR_INDEX_P): Delete documentation.
8992 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8994 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8995 from V7 to V9 for Solaris 7 and above.
8997 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8999 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9000 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9001 argument pointers may not alias any other storage.
9002 * common.opt: Define option -fargument-noalias-anything.
9003 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9004 alias semantics is specified by flag_argument_noalias > 2.
9006 2006-03-20 Jeff Law <law@redhat.com>
9008 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9009 (pass_phi_only_cprop): Declare.
9010 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9012 * tree-ssa-dom.c (degenerate_phi_result): New function.
9013 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9014 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9015 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9016 (eliminate_degenerate_phis): Likewise.
9017 (pass_phi_only_cprop): New pass descriptor.
9018 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9019 support code. Callers updated.
9020 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9021 (store_copy_prop): Likewise.
9022 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9024 2006-03-20 Jason Merrill <jason@redhat.com>
9027 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9028 (push_visibility, pop_visibility): Likewise.
9029 * c-pragma.h: Declare them.
9031 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9033 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9035 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9036 parameter and use get_ebb_head_tail.
9037 (sh_md_init_global): Adjust uses of find_regmode_weight.
9039 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9041 * function.h (struct function) <x_tail_recursion_reentry>:
9042 Rename to x_stack_check_probe_note.
9043 (tail_recursion_reentry): Rename to stack_check_probe_note.
9044 * function.c: Replace tail_recursion_reentry with
9045 stack_check_probe_note everywhere.
9046 (expand_function_start): Only emit a note for
9047 stack_check_probe_note with -fstack-protect.
9048 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9050 * emit-rtl.c (remove_unnecessary_notes): Remove.
9051 (pass_remove_unnecessary_notes): Remove.
9052 * rtl.h (remove_unnecessary_notes): Remove prototype.
9053 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9054 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9055 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9057 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9060 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9061 (valid_in_set): Handle ARRAY_REF.
9062 Change "if min_variant or VH" to asserts.
9063 (create_component_ref_by_pieces): Handle ARRAY_REF.
9064 (create_expression_by_pieces): Likewise.
9065 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9067 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9069 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9070 is operand of switch, not str[0].
9072 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9074 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9075 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9077 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9079 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9080 end of insn_extra_address_constraint declaration.
9082 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9084 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9085 (no-sum-in-toc): Same.
9086 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9088 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9089 NO_FP_IN_TOC for -fPIC instead of mask.
9091 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9092 (BOOT_LDFLAGS): Delete.
9094 * config/rs6000/t-aix52: Same.
9096 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9097 (stmsi[345678]_power): New.
9099 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9101 * config/ia64/ia64.opt: Add empty line to end of file.
9103 2006-03-17 Richard Guenther <rguenther@suse.de>
9106 * builtins.c (get_pointer_alignment): For component style references
9107 adjust alignment to the component type alignment. Make sure
9108 to adjust alignment for component access of constants.
9110 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9112 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9115 2006-03-17 Paul Brook <paul@codesourcery.com>
9117 * doc/install.texi: Docuemnt --with-mode.
9118 * config.gcc: Add --with-mode for arm*-*-*.
9119 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9121 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9123 * sh.c (max_labelno_before_reorg): New variable.
9124 (sh_reorg): Initialize it.
9125 (find_barrier): Check max_labelno_before_reorg before using
9126 label_to_alignment. Take length of explicit alignment insns
9127 into account. When seeing a UNSPECV_CONST_END, return it.
9129 * sh.c (fixup_mova): Set mode of affected label to QImode.
9130 (untangle_mova): New function.
9131 (find_barrier): Use it. Check mode of label before decrementing
9133 (sh_reorg): Likewise.
9134 Set mode of all insns back to VOIDmode.
9136 * sh.c (MOVA_LABELREF): New macro.
9137 (mova_p, fixup_mova, sh_reorg): Use it.
9138 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9139 ADDR_DIFF_VEC matches mova.
9141 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9143 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9144 with ATTRIBUTE_UNUSED.
9146 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9148 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9149 pointer, instead of assuming it is possible to derive the
9150 correct args size from a call insn.
9152 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9154 * rtl.h (CONST_INT_P): Define.
9155 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9156 instead of GET_CODE(x) == CONST_INT.
9157 (vax_rtx_costs): Likewise.
9158 (vax_output_int_move): Likewise.
9159 (vax_output_int_add): Likewise.
9160 (legitimate_constant_address_p): Likewise.
9161 (index_term_p): Likewise.
9162 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9163 * config/vax/vax.md (and<mode>3): Likewise.
9164 (ashrsi3): Likewise.
9166 (movstricthi): Likewise.
9167 (movstrictqi): Likewise.
9168 (rotrsi3): Likewise.
9169 (five unnamed insns): Likewise.
9171 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9173 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9174 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9175 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9176 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9177 Pass to ASM_OUTPUT_DWARF_OFFSET.
9178 * dwarf2out.c (debug_frame_section): New.
9179 (output_call_frame_info): Use debug_frame_section. Pass it to
9180 dw2_asm_output_offset.
9181 (output_die): Pass appropriate section to dw2_asm_output_offset.
9182 (output_compilation_unit_header): Likewise.
9183 (output_pubnames): Likewise.
9184 (output_aranges): Likewise.
9185 (enum dw_val_class): Break dw_val_class_lbl_offset into
9186 dw_val_class_lineptr and dw_val_class_macptr.
9187 (add_AT_lbl_offset): Delete.
9188 (add_AT_lineptr): New.
9189 (add_AT_macptr): New.
9190 (AT_lbl): Expect a lineptr or macptr.
9191 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9192 (attr_checksum): Likewise.
9193 (same_dw_val_p): Likewise.
9194 (size_of_die): Likewise.
9195 (value_format): Likewise.
9196 (output_die): Likewise.
9197 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9199 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9200 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9201 * config/darwin-protos.h (darwin_file_start): New.
9202 (darwin_asm_output_dwarf_offset): New.
9203 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9204 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9206 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9207 if not EH section; simplify.
9208 (darwin_file_start): New.
9209 (darwin_asm_output_dwarf_offset): New.
9210 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9212 (DEBUG_INFO_SECTION): Likewise.
9213 (DEBUG_ABBREV_SECTION): Likewise.
9214 (DEBUG_ARANGES_SECTION): Likewise.
9215 (DEBUG_MACINFO_SECTION): Likewise.
9216 (DEBUG_LINE_SECTION): Likewise.
9217 (DEBUG_LOC_SECTION): Likewise.
9218 (DEBUG_PUBNAMES_SECTION): Likewise.
9219 (DEBUG_STR_SECTION): Likewise.
9220 (DEBUG_RANGES_SECTION): Likewise.
9221 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9222 (ASM_OUTPUT_DWARF_OFFSET): New.
9224 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9226 * config.gcc (tm_defines): Always add to previous value rather
9229 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9231 * config/mips/predicates.md (splittable_const_int_operand): New,
9232 split from move_operand.
9233 (splittable_symbolic_operand): New.
9234 (move_operand): Add commentary. Use splittable_const_int_operand.
9235 Inline mips_atomic_symbolic_constant_p.
9236 * config/mips/mips.md: Add combine splitters for handling moves
9237 of splittable_const_int_operands and splittable_symbolic_operands.
9238 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9239 (mips_split_symbol): Declare.
9240 (mips_move_integer): Declare.
9241 * config/mips/mips.c (mips_split_p): Make global.
9242 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9243 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9244 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9245 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9246 (mips_offset_within_object_p): Handle block symbols.
9247 (mips_atomic_symbolic_constant_p): Delete.
9248 (mips_cannot_force_const_mem): Return false for constants that
9249 mips_legitimize_move can handle.
9250 (mips_use_blocks_for_constant_p): New function.
9251 (mips_split_symbol): Make global.
9252 (mips_move_integer): Likewise. Add a temporary register argument.
9253 (mips_legitimize_const_move): Use splittable_const_int_operand and
9254 splittable_symbolic_operand.
9255 (mips_use_anchors_for_symbol_p): New function.
9256 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9257 (mips_split_p): Declare.
9259 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9261 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9262 (mips*-*-linux*): Likewise.
9264 2006-03-16 Roger Sayle <roger@eyesopen.com>
9265 Daniel Speyer <dspeyer@wam.umd.edu>
9268 * tree-dump.c (dump_real): New function.
9269 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9270 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9271 (tree-dump.o): Add $(REAL_H) to the dependencies.
9273 2006-03-16 Roger Sayle <roger@eyesopen.com>
9276 * real.c (real_from_string): If the mantissa is zero, don't bother
9277 parsing the exponent as the result should always be zero.
9279 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9281 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9283 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9285 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9286 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9287 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9288 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9289 ia64_sched_finish_global): New static functions to implement
9290 hooks from gcc_target.sched.
9291 (spec_check_no, max_uid, pending_data_specs): New static variables.
9292 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9293 ia64_spec_check_src_p): New static functions.
9294 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9295 (TARGET_SCHED_ADJUST_COST): Removed.
9296 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9297 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9298 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9299 TARGET_SCHED_GEN_CHECK,
9300 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9301 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9302 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9303 Fixed to handle speculation checks.
9304 (rtx_needs_barrier): Fixed to handle speculative loads and
9306 (ia64_variable_issue): Added code to count speculative loads and their
9308 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9310 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9312 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9314 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9315 (ia64_reorg): Reset stops_p to NULL after it is freed.
9316 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9317 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9318 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9320 (data_speculative, control_speculative, check_load): New attributes.
9321 (mov<mode>_advanced, mov<mode>_speculative,
9322 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9323 zero_extend<mode>di2_speculative,
9324 zero_extend<mode>di2_speculative_advanced): New patterns for
9325 data and control speculative loads.
9326 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9328 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9329 New pattern for data and control speculation checks.
9330 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9331 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9332 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9333 Auxiliary definitions for the patterns.
9334 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9335 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9337 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9339 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9340 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9341 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9342 New resource constraints.
9343 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9345 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9346 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9347 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9348 msched-in-control-spec, msched-ldc, msched-control-ldc,
9349 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9350 msched-prefer-non-control-spec-insns,
9351 msched-count-spec-in-critical-path): New flags to tune speculative
9353 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9354 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9355 msched-in-control-spec, msched-ldc, msched-control-ldc,
9356 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9357 msched-prefer-non-control-spec-insns,
9358 msched-count-spec-in-critical-path): Document new flags.
9360 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9362 * target.h (struct spec_info_def): New opaque declaration.
9363 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9364 speculate_insn, needs_block_p, gen_check,
9365 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9366 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9367 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9368 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9369 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9370 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9372 (TARGET_SCHED): Use new macros.
9373 * rtl.h (copy_DEPS_LIST_list): New prototype.
9374 * sched-int.h (struct sched_info): Change signature of new_ready field,
9375 adjust all initializations. New fields: add_remove_insn,
9376 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9377 region_head_or_leaf_p.
9378 (struct spec_info_def): New structure declaration.
9379 (spec_info_t): New typedef.
9380 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9381 recovery_block, orig_pat.
9382 (glat_start, glat_end): New variables declaraions.
9383 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9385 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9386 DETACH_LIFE_INFO, USE_GLAT.
9387 (enum SPEC_SCHED_FLAGS): New enumeration.
9388 (NOTE_NOTE_BB_P): New macro.
9389 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9390 attach_life_info, debug_spec_status, check_reg_live): New functions.
9391 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9392 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9394 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9395 * ddg.c (get_block_head_tail): Adjust all uses.
9396 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9397 (sms_sched_info): Initialize new fields.
9398 (contributes_to_priority): Removed.
9399 * haifa-sched.c (params.h): New include.
9400 (get_block_head_tail): Adjust all uses.
9401 (ISSUE_POINTS): New macro.
9402 (glat_start, glat_end): New global variables.
9403 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9404 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9405 old_last_basic_block, before_recovery, current_sched_info_var,
9406 rgn_n_insns, luid): New static variables.
9407 (insn_cost1): New function. Move logic from insn_cost to here.
9408 (find_insn_reg_weight1): New function. Move logic from
9409 find_insn_reg_weight to here.
9410 (reemit_notes, move_insn, max_issue): Change signature.
9411 (move_insn1): Removed.
9412 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9413 extend_bb): New static functions to support extension of scheduler's
9415 (generate_recovery_code, process_insn_depend_be_in_spec,
9416 begin_speculative_block, add_to_speculative_block,
9417 init_before_recovery, create_recovery_block, create_check_block_twin,
9418 fix_recovery_deps): New static functions to support
9419 generation of recovery code.
9420 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9421 restore_bb_notes, move_block_after_check, move_succs): New static
9422 functions to support ebb scheduling.
9423 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9424 functions to support handling of register live information.
9425 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9426 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9427 add_jump_dependencies): New static functions.
9428 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9429 consistancy checking.
9430 (debug_spec_status): New function to call from debugger.
9431 (priority): Added code to handle speculation checks.
9432 (rank_for_schedule): Added code to distinguish speculative instructions.
9433 (schedule_insn): Added code to handle speculation checks.
9434 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9435 Fixed to handle ebbs.
9436 (move_insn): Added code to handle ebb scheduling.
9437 (max_issue): Added code to use ISSUE_POINTS of instructions.
9438 (choose_ready): Added code to choose between speculative and
9439 non-speculative instructions.
9440 (schedule_block): Added code to handle ebb scheduling and scheduling of
9441 speculative instructions.
9442 (sched_init): Initialize new variables.
9443 (sched_finish): Free new variables. Print statistics.
9444 (try_ready): Added code to handle speculative instructions.
9445 * lists.c (copy_DEPS_LIST_list): New function.
9446 * sched-deps.c (extend_dependency_caches): New function. Move logic
9447 from create_dependency_caches to here.
9448 (get_dep_weak, ds_merge): Make global.
9449 * genattr.c (main): Code to output prototype for
9450 dfa_clear_single_insn_cache.
9451 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9452 (output_dfa_clean_insn_cache_func): Code to output
9453 dfa_clear_single_insn_cache function.
9454 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9456 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9458 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9459 New static variables.
9460 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9461 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9463 (ebb_sched_info): Initialize new fields.
9464 (get_block_head_tail): Adjust all uses.
9465 (compute_jump_reg_dependencies): Fixed to use glat_start.
9466 (schedule_ebb): Code to remove unreachable last block.
9467 (schedule_ebbs): Added code to update register live information.
9468 * sched-rgn.c (region_sched_info): Initialize new fields.
9469 (get_block_head_tail): Adjust all uses.
9470 (last_was_jump): Removed. Adjust users.
9471 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9472 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9473 Implement new hooks.
9474 (check_dead_notes1): New static function.
9475 (struct region): New fields: dont_calc_deps, has_real_ebb.
9476 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9477 (BB_TO_BLOCK): Fixed to handle EBBs.
9478 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9479 (ebb_head): New static variable.
9480 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9481 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9483 (compute_dom_prob_ps): New assertion.
9484 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9485 global_live_at_start.
9486 (init_ready_list): New assertions.
9487 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9488 (new_ready): Add support for BEGIN_CONTROL speculation.
9489 (schedule_insns): Fixed code that updates register live information
9491 (schedule_region): Fixed to handle EBBs.
9492 (init_regions): Use extend_regions and check_dead_notes1.
9493 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9494 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9495 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9496 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9497 TARGET_SCHED_GEN_CHECK,
9498 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9499 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9500 * doc/invoke.texi (max-sched-insn-conflict-delay,
9501 sched-spec-prob-cutoff): Document.
9503 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9505 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9506 inter_tick, queue_index.
9507 (struct sched_info): Change signature of init_ready_list field.
9508 Adjust all initializations.
9509 (RESOLVED_DEPS): New access macro.
9510 (ready_add): Remove prototype.
9511 (try_ready): Add prototype.
9512 * sched-rgn.c (init_ready_list): Use try_ready.
9513 (schedule_region): Initialize
9514 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9515 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9516 (init_ready_list): Use try_ready.
9517 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9518 * lists.c (remove_list_elem): Remove `static'.
9519 (remove_free_INSN_LIST_elem): New function.
9520 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9521 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9522 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9524 (readyp): New variable.
9525 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9526 change_queue_index, resolve_dep): New static functions.
9527 (try_ready): New function. Adjust callers in sched-rgn.c and
9528 sched-ebb.c to use it instead of ready_add.
9529 (clock_var): Move at the begining of file.
9530 (rank_for_schedule): Fix typo.
9531 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9532 (ready_lastpos): Enforce assertion.
9533 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9535 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9536 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9537 (queue_to_ready): Use free_INSN_LIST_list.
9538 (early_queue_to_ready): Fix typo.
9539 (schedule_block): Init readyp. Move init_ready_list call after the
9540 initialization of clock_var. Fix error in rejecting insn by
9541 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9542 that previously corrected INSN_TICKs. Add code for handling
9544 (set_priorities): Fix typo.
9545 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9546 Clarify comment and code that keeps current_sched_info->next_tail
9549 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9551 * sched-rgn.c (extend_rgns): New static function.
9552 (find_rgns): Use it.
9553 (gather_region_statistics, print_region_statistics): New static
9555 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9556 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9558 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9559 Andrey Belevantsev <abel@ispras.ru>
9561 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9562 * lists.c (unused_deps_list): New variable.
9563 (free_list): Add assertions to verify the proper distinguishing
9564 between INSN_LISTs and DEPS_LISTs.
9565 (find_list_elem, remove_list_elem, remove_list_node): New static
9567 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9568 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9569 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9570 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9572 (free_INSN_LIST_node): Likewise.
9573 * modulo-sched.c (current_sched_info): Initialize flags field.
9574 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9575 * rtl.def (DEPS_LIST): Define.
9576 * rtl.h: Declare new functions from lists.c.
9577 * sched-deps.c (spec_dependency_cache): New static variable.
9578 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9579 (add_dependence): Change return type to void. Move the logic to ...
9580 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9581 (delete_all_dependences): Add comment about forward_dependency_cache.
9582 Handle spec_dependency_cache. Handle DEPS_LISTs.
9583 (fixup_sched_groups): Clarify the change of priority of output
9584 and anti dependencies.
9585 (sched_analyze_2): Adjust add_dependence calls to create data
9586 speculative dependence.
9587 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9588 Adjust all callers. Handle DEPS_LISTS.
9589 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9590 presence of speculation.
9591 (init_dependency_caches, free_dependency_caches):
9592 Handle spec_dependency_cache.
9593 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9594 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9595 New static functions.
9596 (add_or_update_back_dep, add_or_update_back_forw_dep,
9597 add_back_forw_dep, delete_back_forw_dep): New functions.
9598 * sched-int.h (ds_t, dw_t): New typedefs.
9599 (struct sched_info): Add new field flags.
9600 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9601 Prototype new sched-deps.c functions.
9602 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9603 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9604 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9605 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9606 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9607 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9609 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9611 * sched-rgn.c (current_sched_info): Initialize flags field.
9612 (schedule_insns): Initialize current_sched_info before the sched_init
9614 * sched-ebb.c (current_sched_info): Initialize flags field.
9615 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9616 Call add_or_update_back_dep instead of add_dependence.
9617 Create control speculative dependencies.
9618 (schedule_insns): Initialize current_sched_info before the sched_init
9621 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9623 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9625 (sh_fallback_frame_state): Likewise.
9627 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9629 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9630 Do switch on default_use_cxa_atexit.
9631 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9632 * config/darwin-crt3.o: New.
9633 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9634 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9635 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9637 * config/rs6000/t-darwin: Move crt2.o building to here.
9638 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9639 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9642 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9644 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9645 from '! xxx' to '!xxx' for coding-style conformance.
9646 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9647 (EXTRA_CONSTRAINT): Likewise.
9648 * config/vax/vax.md (four unnamed insns): Likewise.
9650 2006-03-15 Paul Brook <paul@codesourcery.com>
9652 * config/arm/arm.c (minipool_pad): New.
9653 (add_minipool_forward_ref): Include pool alignment padding in address
9655 (push_minipool_fix): Set minipool_pad.
9656 (minipool_pad): Ditto.
9658 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9660 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9661 instead of GET_CODE() == MEM and REG_P() instead of
9663 (print_operand_address): Likewise.
9664 (vax_address_cost): Likewise.
9665 (vax_rtx_costs): Likewise.
9666 (vax_notice_update_cc): Likewise.
9667 (vax_output_int_add): Likewise.
9668 (INDEX_REGISTER_P): Likewise.
9669 (BASE_REGISTER_P): Likewise.
9670 (nonindexed_address_p): Likewise.
9671 (vax_mode_dependent_address_p): Likewise.
9672 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9673 (PRINT_OPERAND): Likewise.
9674 * config/vax/vax.md (ashlsi3): Likewise.
9675 (ashlsi3): Likewise.
9676 (some more unnamed insns): Likewise.
9678 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9680 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9681 iterator-style macro.
9682 (mark_control_dependent_edges_necessary): Update the use of
9683 EXECUTE_IF_CONTROL_DEPENDENT.
9685 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9687 * config/sh/predicates.md (cache_address_operand): Special.
9688 (ua_address_operand): Likewise.
9690 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9692 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9694 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9696 2006-03-15 Andreas Schwab <schwab@suse.de>
9698 * gensupport.c (identify_predicable_attribute): Don't free p_false
9699 when it is still in use.
9701 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9703 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9704 the default setting here.
9706 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9708 * tree-pass.h (pass_cfg): Remove.
9709 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9710 * passes.c (pass_cfg): Don't run it.
9712 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9714 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9715 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9717 (stack_regs_mentioned): Update the uses of
9718 stack_regs_mentioned_data. Don't access the array beyond its
9720 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9721 Don't include gt-reg-stack.h.
9723 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9724 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9726 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9729 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9732 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9734 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9736 2006-03-14 Richard Guenther <rguenther@suse.de>
9738 PR tree-optimization/26672
9739 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9742 2006-03-14 Richard Guenther <rguenther@suse.de>
9744 PR tree-optimization/26667
9745 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9746 node for the callees. Always allow inlining if it will shrink
9749 2006-03-14 Richard Guenther <rguenther@suse.de>
9752 * builtins.c (get_pointer_alignment): Prefer alignment
9753 information from decls over that from types.
9755 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9758 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9760 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9762 * config/rs6000/rs6000.opt (mdlmzb): New option.
9763 (msched-prolog, msched-epilog): Use Var not Mask.
9764 * doc/invoke.texi (-mdlmzb): Document.
9765 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9767 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9768 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9770 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9772 PR rtl-optimization/25739
9773 * bt-load.c (augment_live_range): Free tos pointer.
9775 * gensupport.c (identify_predicable_attribute): Free
9777 * gcov.c (create_file_names): Free name pointer.
9779 2006-03-13 Roger Sayle <roger@eyesopen.com>
9782 * stmt.c (emit_case_nodes): Handle the case where the index is a
9783 CONST_INT, where the comparison mode is specified by the index type.
9785 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9787 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9790 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9792 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9793 (*branch_fp_inverted): Likewise.
9795 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9798 * omp-low.c (expand_omp_for_generic): Mark istart0
9799 and iend0 as addressable.
9801 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9803 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9805 2006-03-13 Jeff Law <law@redhat.com>
9807 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9808 virtual operands are interesting.
9809 (vrp_visit_stmt): Corresponding changes.
9811 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9813 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9815 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9816 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9817 * config/bfin/crti.S: Use it instead of __PIC__.
9818 * config/bfin/crtn.S: Likewise.
9820 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9821 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9823 Lose 'G' modifier for call operand.
9824 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9825 recognize 'G' modifier.
9827 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9830 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9831 * stmt.c (expand_case): Likewise.
9833 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9835 PR rtl-optimization/26254
9836 * loop-invariant.c (seq_insns_valid_p): New function.
9837 (move_invariant_reg): Only emit new code if it is valid.
9839 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9841 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9843 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9844 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9845 (commit_one_edge_insertion): Do not look for loop notes.
9847 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9849 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9850 flag_test_coverage out of loop.
9852 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9854 * final.c (shorten_branches): Remove outdated comment, and turn
9855 the if branch that guards it to continue.
9857 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9859 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9860 * cfgloop.h (struct loop): Remove unused fields.
9862 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9864 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9865 (-dL, -fdump-rtl-loop2): Update the dump file names
9867 * doc/invoke.texi: Update dump file names.
9869 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9871 * predict.c (estimate_probability): Remove.
9872 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9873 * basic-block.h (estimate_probability): Remove prototype.
9874 * passes.c (finish_optimization_passes): Dump branch prediction or
9875 profiling heuristics to the .profile tree dump.
9876 (init_optimization_passes): Unqueue pass_branch_prob.
9878 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9880 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9882 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9883 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9885 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9887 * function.h (frame_offset_overflow): Declare.
9888 * function.c (frame_offset_overflow): New function.
9889 (assign_stack_local_1): Call it to detect that the offset overflows.
9890 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9892 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9894 * config/sh/sh.c: Include alloc-pool.h.
9895 (label_ref_list_pool): New alloc pool.
9896 (label_ref_list_t): New type for lists of labels.
9897 (struct pool_node): Make wend a label_ref_list_t.
9898 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9900 (dump_table): Likewise.
9901 (sh_reorg): Set up the alloc pool before using add_constant and
9902 dump_table, and destroy it when finishing.
9904 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9906 * config/mips/mips.c: Remove redundant comment.
9908 2006-03-10 Jason Merrill <jason@redhat.com>
9911 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9912 the target was declared 'register'.
9914 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9916 * genpreds.c (write_insn_constraint_len): Change definition of
9917 insn_constraint_len to return size_t to match the declaration.
9919 2006-03-10 DJ Delorie <dj@redhat.com>
9921 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9923 (m32c_expand_insv): Fix test for an AND mask.
9925 2006-03-10 Richard Guenther <rguenther@suse.de>
9928 * builtins.c (get_pointer_alignment): Handle component
9929 references for field alignment.
9931 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9933 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9934 when building with libgloss.
9935 (sh*elf): Implement --without-fp option.
9936 (sh64-superh-linux*): Don't multilib.
9938 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9940 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9942 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9944 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9945 Set it when one of the replacement functions returned true.
9946 Return TODO_cleanup_cfg if cfgchanged is true.
9947 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9949 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9951 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9952 instead of gen_lowpart.
9954 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9956 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9958 (mips_output_order_conditional_branch): Declare.
9959 * config/mips/mips.h (MIPS_BRANCH): New macro.
9960 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9961 for the comparison. Use gen_condjump.
9962 (mips_output_conditional_branch): Rework interface to take the
9963 asm templates for a direct branch and the inverse of a direct branch.
9964 (mips_output_order_conditional_branch): New function.
9965 (mips_builtin_branch_and_move): New function.
9966 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9967 branch condition. Use gen_single_cc as the condition for
9968 __builtin_mips_upper_* or __builtin_mips_lower_*.
9969 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9970 Use VOIDmode for the branch condition.
9971 * config/mips/predicates.md (order_operator): New predicate.
9972 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9973 (branch_fp): Rename to...
9974 (*branch_fp): ...this. Remove mode from comparison operator.
9975 Use new mips_output_conditional_branch interface.
9976 (branch_fp_inverted): Rename to...
9977 (*branch_fp_inverted): ...this and update as for *branch_fp.
9978 (*branch_zero<mode>): Rename to...
9979 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9980 Use mips_output_order_conditional_branch. Only accept ordered
9982 (*branch_zero<mode>_inverted): Rename to...
9983 (*branch_order<mode>_inverted): ...this and update as for
9984 *branch_order<mode>.
9985 (*branch_equality<mode>): Accept zero as the second operand to
9986 the equality operator. Use the new mips_output_conditional_branch
9988 (*branch_equality<mode>_inverted): Likewise.
9989 (condjump): New expander.
9990 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9992 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9993 (bc1any2t, bc1any2f): Likewise.
9994 (single_cc): New expander.
9995 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9997 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9999 * doc/md.texi: Update documentation of MIPS constraints.
10000 * config/mips/constraints.md: New file.
10001 * config/mips/mips.md: Include it.
10002 * config/mips/mips.c (mips_char_to_class): Delete.
10003 (override_options): Don't initialize mips_char_to_class.
10004 * config/mips/mips.h (mips_char_to_class): Delete.
10005 (REG_CLASS_FROM_LETTER): Delete.
10006 (CONST_OK_FOR_LETTER_P): Delete.
10007 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10008 (EXTRA_CONSTRAINT_Y): Delete.
10009 (EXTRA_CONSTRAINT_STR): Delete.
10010 (CONSTRAINT_LEN): Delete.
10011 (EXTRA_MEMORY_CONSTRAINT): Delete.
10013 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10015 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10016 original fn's eh regions.
10018 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10020 * fold-const.c (build_range_check): Make sure to use a valid type to
10021 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10024 (range_predecessor): New static function.
10025 (range_successor): Likewise.
10026 (merge_ranges): Use them to compute predecessors and successors of
10029 2006-03-09 Roger Sayle <roger@eyesopen.com>
10031 PR middle-end/26561
10032 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10033 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10035 2006-03-08 DJ Delorie <dj@redhat.com>
10037 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10038 (addpsi3): Expand to include memory operands. Remove
10039 reload-specific splits.
10040 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10041 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10042 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10043 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10044 (shift1_qi, shift1_hi, insv): New.
10045 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10046 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10047 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10049 * config/m32c/m32c-protos.h: Update as needed.
10050 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10051 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10052 Fail for unrecognized R* constraints.
10053 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10054 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10055 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10057 (m32c_init_libfuncs): New.
10058 (m32c_legitimate_address_p): Add debug wrapper.
10059 (m32c_rtx_costs): New.
10060 (m32c_address_cost): New.
10061 (conversions): Add 'B' prefix.
10062 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10063 operands, or word regnames for QI operands. 'B' prints bit
10065 (m32c_expand_setmemhi): New.
10066 (m32c_expand_movmemhi): New.
10067 (m32c_expand_movstr): New.
10068 (m32c_expand_cmpstr): New.
10069 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10070 (m32c_expand_neg_mulpsi3): Handle non-ints.
10071 (m32c_cmp_flg_0): New.
10072 (m32c_expand_movcc): New.
10073 (m32c_expand_insv): New.
10074 (m32c_scc_pattern): New.
10075 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10076 a0/a1 out of SIregs.
10077 (STORE_FLAG_VALUE): New.
10078 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10081 * config/m32c/mov.md: Make constraints more liberal.
10082 (zero_extendqihi2): Optimize r0/r1 case.
10083 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10084 * config/m32c/predicates.md (m32c_any_operand): New.
10085 (m32c_nonimmediate_operand): New.
10086 (m32c_hl_operand): New.
10087 (m32c_r3_operand): New.
10090 (memsym_operand): New.
10091 (memimmed_operand): New.
10092 (a_qi_operand): New.
10093 (m32c_eqne_operator): New.
10094 (m32c_1bit8_operand): New.
10095 (m32c_1bit16_operand): New.
10096 (m32c_1mask8_operand): New.
10097 (m32c_1mask16_operand): New.
10098 * config/m32c/blkmov.md: New file.
10099 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10101 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10103 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10104 unsigned to fix signed/unsigned comparison issue in
10105 DWARF2_FRAME_REG_OUT.
10106 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10107 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10109 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10110 of ptr into the ENABLE_CHECKING section.
10112 2006-03-08 Jeff Law <law@redhat.com>
10114 * tree-vrp.c (infer_value_range): Only count pointer uses
10115 and dereferences if -fdelete-null-pointer-checks is enabled.
10117 * tree-vrp.c (find_assert_locations): Infer value ranges for
10118 single use pointers, but do not create ASSERT_EXPRs for them.
10119 When a non-null range is inferred for a pointer, backwards
10120 propagate that range to other equivalent pointers through the
10123 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10126 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10127 language hook targets.
10128 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10129 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10130 if language hook targets were missing.
10132 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10134 * tree-ssa-opfinalize.h: Removed.
10135 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10137 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10138 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10139 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10140 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10141 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10142 finalize_ssa_v_must_def_ops): New.
10144 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10146 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10147 block as parameter.
10149 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10151 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10153 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10154 addresses with offsets; reorganize.
10156 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10157 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10158 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10160 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10163 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10165 2006-03-08 Ben Elliston <bje@au.ibm.com>
10167 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10169 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10172 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10175 2006-03-07 Richard Guenther <rguenther@suse.de>
10177 PR tree-optimization/26587
10178 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10180 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10182 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10184 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10186 * hooks.c (hook_bool_mode_rtx_true): New function.
10187 * hooks.h (hook_bool_mode_rtx_true): Declare.
10188 * toplev.c (compile_file): Call output_shared_constant_pool.
10189 * varasm.c (shared_constant_pool): New variable.
10190 (assemble_start_function, assemble_end_function): Remove arguments
10191 from call to output_constant_pool.
10192 (create_constant_pool): New function, split out from...
10193 (init_varasm_status): ...here.
10194 (force_const_mem): Choose between the shared and per-function constant
10195 pools. Set current_function_uses_const_pool when reusing old entries
10196 as well as when creating new ones.
10197 (mark_constant): Ignore data argument.
10198 (mark_constants): Remove pool argument.
10199 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10200 to decide whether the function uses a constant pool.
10201 (output_constant_pool_contents): New function, split out from...
10202 (output_constant_pool): ...here.
10203 (output_shared_constant_pool): New function.
10204 (init_varasm_once): Initialize shared_constant_pool.
10205 * output.h (output_constant_pool): Delete.
10206 (output_shared_constant_pool): Declare.
10207 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10208 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10210 2006-03-06 Nick Clifton <nickc@redhat.com>
10212 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10213 flag_strength_reduce.
10215 2006-03-06 Ben Elliston <bje@au.ibm.com>
10217 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10218 x86_64-*-linux* configurations.
10220 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10221 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10223 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10225 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10227 * basic-block.h: Remove the extern for
10228 rediscover_loops_after_threading.
10230 * cfgloop.c (cancel_loop): Make it static.
10231 * cfgloop.h: Remove the prototype for cancel_loop.
10233 * flow.c (recompute_reg_usage): Make it static.
10234 * rtl.h: Remove the prototype for recompute_reg_usage.
10236 * function.c (use_return_register): Make it static.
10237 * function.h: Remove the prototype.
10239 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10241 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10243 * recog.h: Remove the prototype for
10244 validate_change_maybe_volatile.
10246 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10248 * rtlanal.c (replace_reg): Remove.
10249 * rtl.h: Remove the prototype for replace_reg.
10251 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10253 * regclass.c (reg_scan_update): Remove.
10254 (reg_scan_mark_refs): Remove the last argument.
10255 * rtl.h: Remove the prototype for reg_scan_update.
10257 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10259 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10260 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10261 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10262 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10263 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10264 loop-invariant.c, omp-low.c, opts.c, passes.c,
10265 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10266 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10267 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10268 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10269 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10270 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10272 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10274 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10275 * dwarf2out.h: Remove the prototype for
10276 dwarf2out_add_library_unit_info.
10278 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10280 * tree.c (add_var_to_bind_expr): Remove.
10281 * tree.h: Remove the prototype for add_var_to_bind_expr.
10283 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10285 * regclass.c (n_non_fixed_regs): Remove.
10286 (init_reg_sets_1, globalize_reg): Remove all uses of
10288 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10290 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10292 * rtlanal.c (insns_safe_to_move_p): Remove.
10293 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10295 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10297 * expmed.c (expand_mult_add): Remove.
10298 * expr.h: Remove the prototype for expand_mult_add.
10300 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10302 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10303 and REG_SAVED_VAL_EXP constants.
10304 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10305 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10306 Handle regs stored by value.
10307 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10308 (execute_cfa_program): Handle DW_CFA_val_offset,
10309 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10310 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10311 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10312 (uw_install_context_1): Handle target regs stored by value.
10314 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10316 * tree-sra.c (tree_sra): Return todoflags;
10317 (generate_one_element): Set TODO_update_smt_usage if needed.
10318 (pass_sra): Remove TODO_update_smt_usage.
10319 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10321 (tree_ssa_forward_propagate_single_use_vars): Return
10322 TODO_update_smt_usage if we need to update SMT usage.
10323 (pass_forwprop): Remove TODO_update_smt_usage.
10325 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10327 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10328 (correct_use_link): Remove reference to get_stmt_operands.
10329 (update_stmt_operands): Likewise.
10330 (get_modify_expr_operands): New function factored out of
10331 parse_ssa_operands and get_expr_operands.
10332 Try to create V_MUST_DEFs for LHS by default.
10333 (get_expr_operands) <case MODIFY_EXPR>: Call
10334 get_modify_expr_operands.
10335 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10336 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10337 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10338 get_modify_expr_operands.
10340 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10342 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10343 * tree-flow.h: Remove the prototype for
10344 referenced_var_lookup_if_exists.
10346 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10348 PR rtl-optimization/26345
10350 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10352 2006-03-03 Roger Sayle <roger@eyesopen.com>
10354 PR tree-optimization/26524
10355 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10356 fold_convert to create a constant of the appropriate type.
10358 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10360 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10361 SYMBOL_REF_IN_BLOCK_P.
10362 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10363 of SYMBOL_FLAG_IN_BLOCK.
10364 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10365 instead of SYMBOL_REF_IN_BLOCK_P.
10366 * explow.c (use_anchored_address): Likewise.
10367 * rtl.c (rtx_size): Likewise.
10368 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10369 instead of SYMBOL_FLAG_IN_BLOCK.
10370 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10371 SYMBOL_REF_IN_BLOCK_P.
10372 (assemble_variable): Likewise.
10373 (output_constant_def_contents): Likewise.
10374 (output_constant_pool): Likewise.
10375 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10376 instead of SYMBOL_FLAG_IN_BLOCK.
10377 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10378 SYMBOL_REF_IN_BLOCK_P.
10379 (SYMBOL_REF_BLOCK): Likewise.
10380 (SYMBOL_REF_OFFSET): Likewise.
10381 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10382 SYMBOL_REF_IN_BLOCK_P.
10383 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10384 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10385 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10386 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10388 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10390 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10392 2006-03-02 Roger Sayle <roger@eyesopen.com>
10394 * simplify-rtx.c (simplify_unary_operation): When simplifying
10395 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10396 that we perform the right shift in the appropriate mode, and
10397 then extend or truncate the result to requested mode.
10399 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10401 * gengtype.c (main): Handle double_int type.
10402 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10403 * double-int.c: New file.
10404 * double-int.h: New file.
10405 * system.h: Include doubleint.h.
10406 * Makefile.in (SYSTEM_H): Include double-int.h.
10407 (double-int.o): Add.
10409 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10412 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10415 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10417 * tree-vrp.c (remove_range_assertions): Do not update statements
10420 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10422 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10424 * gcse.c (rest_of_handle_gcse): Ditto.
10425 * except.c (gate_handle_eh): Ditto.
10426 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10427 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10429 2006-03-02 Eric Christopher <echristo@apple.com>
10431 * config/i386/i386.c (machopic_output_stub): Add indirection to
10434 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10438 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10440 Sun Niagara specific optimizations.
10441 * config.gcc: Recognize niagara as target.
10442 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10443 (TARGET_CPU_niagara): Define.
10444 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10445 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10446 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10447 (ASM_CPU_SPEC): Likewise.
10448 (PROCESSOR_NIAGARA): New enum entry.
10449 (REGISTER_MOVE_COST): Handle Niagara.
10450 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10451 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10452 (sparc_override_options): Recognize "niagara", set appropriate
10453 default MASK_* values for it, and align functions to 32-bytes
10454 by default just like ULTRASPARC/ULTRASPARC3.
10455 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10456 (sparc64_initialize_trampoline): Likewise.
10457 (sparc_use_sched_lookahead): Use zero for niagara.
10458 (sparc_issue_rate): Use one for niagara.
10459 * config/sparc/niagara.md: New file.
10460 * config/sparc/sparc.md: Include it.
10461 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10462 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10463 when default cpu is niagara.
10464 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10465 (ASM_CPU_SPEC): Likewise.
10466 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10467 when default cpu is niagara.
10468 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10469 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10470 just like v9/ultrasparc/ultrasparc3.
10471 * doc/invoke.texi: Add documentation for "niagara" and improve
10472 existing documentation for ultrasparc variants.
10474 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10476 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10478 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10480 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10481 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10482 and say that only one is needed.
10483 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10484 * target.h (have_switchable_bss_sections): New hook.
10485 * explow.c (use_anchored_address): Check that the symbol is in a block.
10486 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10487 (bss_noswitch_section): New variables.
10488 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10489 (get_noswitch_section): New function.
10490 (get_block_for_section): Allow SECT to be null.
10491 (unlikely_text_section_p): Use SECTION_STYLE.
10492 (bss_initializer_p): New function.
10493 (get_variable_section): Move earlier in file. Take a new argument,
10494 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10495 Return one of the new *_sections in such cases.
10496 (get_block_for_decl): New function, extracting some logic from
10497 use_blocks_for_decl_p.
10498 (change_symbol_section): Remove in favor of...
10499 (change_symbol_block): ...this new function.
10500 (use_blocks_for_decl_p): Remove checks now performed by
10501 get_block_for_decl.
10502 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10503 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10504 (emit_local, emit_bss, emit_common): ...these new functions.
10505 Return true if the alignment was honored.
10506 (emit_tls_common): New function.
10507 (asm_emit_uninitialised): Delete.
10508 (assemble_variable_noswitch): New function, split out from...
10509 (assemble_variable): ...here. Don't make decisions about common
10510 variables here. Globalize all public decls that go into non-common
10511 sections. Check whether SYMBOL_REF_BLOCK is null.
10512 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10513 (output_constant_pool): Likewise.
10514 (init_varasm_once): Initialize the new section variables.
10515 (have_global_bss_p): New function.
10516 (categorize_decl_for_section): Use bss_initializer_p.
10517 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10518 (place_block_symbol): Assert that the symbol must be in a block.
10519 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10520 (TARGET_INITIALIZER): Include it.
10521 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10522 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10523 (SECTION_MACH_DEP): Bump by two.
10524 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10525 (unnamed_section): Mention SECTION_UNNAMED in comment.
10526 (named_section): Likewise SECTION_NAMED.
10527 (noswitch_section_callback): New type.
10528 (noswitch_section): New structure.
10529 (section): Add a noswitch_section alternative.
10530 (SECTION_STYLE): New macro.
10531 (tls_comm_section, comm_section, lcomm_section): Declare.
10532 (bss_noswitch_section, have_global_bss_p): Declare.
10533 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10534 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10536 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10537 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10540 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10542 * tree-vrp.c (execute_vrp): Return value.
10543 * regrename.c (rest_of_handle_regrename): Ditto.
10544 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10545 * tree-complex.c (tree_lower_complex): Ditto.
10546 (tree_lower_complex_O0): Ditto.
10547 * tracer.c (rest_of_handle_tracer): Ditto.
10548 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10549 * postreload.c (rest_of_handle_postreload): Ditto.
10550 * tree-tailcall.c (execute_tail_recursion): Ditto.
10551 (execute_tail_calls): Ditto.
10552 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10553 * tree.h (init_function_for_compilation): Ditto.
10554 * ipa-cp.c (ipcp_driver): Ditto.
10555 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10556 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10557 * final.c (compute_alignments): Ditto.
10558 (rest_of_handle_final): Ditto.
10559 (rest_of_handle_shorten_branches): Ditto.
10560 (rest_of_clean_state): Ditto.
10561 * omp-low.c (execute_expand_omp): Ditto.
10562 (execute_lower_omp): Ditto.
10563 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10564 * ipa-reference.c (static_execute): Ditto.
10565 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10566 * reorg.c (rest_of_handle_delay_slots): Ditto.
10567 (rest_of_handle_machine_reorg): Ditto.
10568 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10569 * flow.c (recompute_reg_usage): Ditto.
10570 (rest_of_handle_remove_death_notes): Ditto.
10571 (rest_of_handle_life): Ditto.
10572 (rest_of_handle_flow2): Ditto.
10573 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10574 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10575 (do_ssa_store_ccp): Ditto.
10576 (execute_fold_all_builtins): Ditto.
10577 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10578 * modulo-sched.c (rest_of_handle_sms): Ditto.
10579 * ipa-pure-const.c (static_execute): Ditto.
10580 * cse.c (rest_of_handle_cse): Ditto.
10581 (rest_of_handle_cse2): Ditto.
10582 * web.c (rest_of_handle_web): Ditto.
10583 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10584 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10585 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10586 * tree-nrv.c (tree_nrv): Ditto.
10587 (execute_return_slot_opt): Ditto.
10588 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10589 (create_structure_vars): Ditto.
10590 * loop-init.c (rtl_loop_init): Ditto.
10591 (rtl_loop_done): Ditto.
10592 (rtl_move_loop_invariants): Ditto.
10593 (rtl_unswitch): Ditto.
10594 (rtl_unroll_and_peel_loops): Ditto.
10595 (rtl_doloop): Ditto.
10596 * gimple-low.c (lower_function_body): Ditto.
10597 (mark_used_blocks): Ditto.
10598 * tree-ssa-sink.c (execute_sink_code): Ditto.
10599 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10600 (cgraph_early_inlining): Ditto.
10601 * global.c (rest_of_handle_global_alloc): Ditto.
10602 * jump.c (cleanup_barriers): Ditto.
10603 (purge_line_number_notes): Ditto.
10604 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10605 (rest_of_handle_if_after_reload): Ditto.
10606 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10607 (tree_ssa_loop_im): Ditto.
10608 (tree_ssa_loop_unswitch): Ditto.
10609 (tree_vectorize): Ditto.
10610 (tree_linear_transform): Ditto.
10611 (tree_ssa_loop_ivcanon): Ditto.
10612 (tree_ssa_empty_loop): Ditto.
10613 (tree_ssa_loop_bounds): Ditto.
10614 (tree_complete_unroll): Ditto.
10615 (tree_ssa_loop_prefetch): Ditto.
10616 (tree_ssa_loop_ivopts): Ditto.
10617 (tree_ssa_loop_done): Ditto.
10618 * predict.c (tree_estimate_probability): Ditto.
10619 * recog.c (split_all_insns_noflow): Ditto.
10620 (rest_of_handle_peephole2): Ditto.
10621 (rest_of_handle_split_all_insns): Ditto.
10622 * tree-eh.c (lower_eh_constructs): Ditto.
10623 * regmove.c (rest_of_handle_regmove): Ditto.
10624 (rest_of_handle_stack_adjustments): Ditto.
10625 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10626 * function.c (instantiate_virtual_regs): Ditto.
10627 (init_function_for_compilation): Ditto.
10628 (rest_of_handle_check_leaf_regs): Ditto.
10629 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10630 (rest_of_handle_gcse): Ditto.
10631 * ipa-type-escape.c (type_escape_execute): Ditto.
10632 * alias.c (rest_of_handle_cfg): Ditto.
10633 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10634 * profile.c (rest_of_handle_branch_prob): Ditto.
10635 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10636 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10637 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10638 * tree-dfa.c (find_referenced_vars): Ditto.
10639 * except.c (set_nothrow_function_flags): Ditto.
10640 (convert_to_eh_region_ranges): Ditto.
10641 (rest_of_handle_eh): Ditto.
10642 * emit-rtl.c (unshare_all_rtl): Ditto.
10643 (remove_unnecessary_notes): Ditto.
10644 * except.h (set_nothrow_function_flags): Ditto.
10645 (convert_to_eh_region_ranges): Ditto.
10646 * cfgexpand.c (tree_expand_cfg): Ditto.
10647 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10648 * tree-ssa-pre.c (do_pre): Ditto.
10649 (execute_fre): Ditto.
10650 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10651 (rest_of_handle_jump2): Ditto.
10652 * tree-sra.c (tree_sra): Ditto.
10653 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10654 (execute_mudflap_function_decls): Ditto.
10655 * tree-ssa-copy.c (do_copy_prop): Ditto.
10656 (do_store_copy_prop): Ditto.
10657 * ipa-prop.h (ipcp_driver): Ditto.
10658 * cfglayout.c (insn_locators_initialize): Ditto.
10659 * tree-ssa-forwprop.c
10660 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10661 * cfglayout.h (insn_locators_initialize): Ditto.
10662 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10663 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10664 (execute_late_warn_uninitialized): Ditto.
10665 * rtl.h (cleanup_barriers): Ditto.
10666 (split_all_insns_noflow): Ditto.
10667 (purge_line_number_notes): Ditto.
10668 (unshare_all_rtl): Ditto.
10669 (remove_unnecessary_notes): Ditto.
10670 (recompute_reg_usage): Ditto.
10671 (variable_tracking_main): Ditto.
10672 * integrate.c (emit_initial_value_sets): Ditto.
10673 * integrate.h (emit_initial_value_sets): Ditto.
10674 * tree-optimize.c (execute_free_datastructures): Ditto
10675 (execute_free_cfg_annotations): Ditto.
10676 (execute_fixup_cfg): Ditto.
10677 (execute_cleanup_cfg_pre_ipa): Ditto.
10678 (execute_cleanup_cfg_post_optimizing): Ditto.
10679 (execute_init_datastructures): Ditto.
10680 * tree-object-size.c (compute_object_sizes): Ditto.
10681 * combine.c (rest_of_handle_combine): Ditto.
10682 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10683 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10684 (rest_of_handle_reorder_blocks): Ditto.
10685 (rest_of_handle_partition_blocks): Ditto.
10686 * var-tracking.c (variable_tracking_main): Ditto.
10687 * tree-profile.c (tree_profiling): Ditto.
10688 * tree-vect-generic.c (expand_vector_operations): Ditto.
10689 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10690 * sched-rgn.c (rest_of_handle_sched): Ditto.
10691 (rest_of_handle_sched2): Ditto.
10692 * basic-block.h (free_bb_insn): Ditto.
10693 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10694 * tree-cfg.c (execute_build_cfg): Ditto.
10695 (remove_useless_stmts): Ditto.
10696 (split_critical_edges): Ditto.
10697 (execute_warn_function_return): Ditto.
10698 (execute_warn_function_noreturn): Ditto.
10699 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10700 * cfgrtl.c (free_bb_for_insn): Ditto.
10701 * passes.c (execute_one_pass): Run additional
10702 todos returned by execute function.
10703 * tree-pass.h (struct tree_opt_pass): Make execute
10706 2006-03-02 Richard Guenther <rguenther@suse.de>
10708 * tree-ssa-alias.c (find_used_portions): Consider taking
10709 the address as making the variable not write-only.
10711 2006-03-02 Nick Clifton <nickc@redhat.com>
10713 * config.gcc (default_use_cxa_atexit): Extend the description of
10714 this configure variable. Set its default value to "yes" for
10715 Linux, NetBSD and ELF targets on the assumption that they will
10716 use C libraries with the __cxa_atexit function.
10718 2006-03-02 Ben Elliston <bje@au.ibm.com>
10720 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10721 parameter as unused to suppress a build warning.
10723 2006-03-02 Ben Elliston <bje@au.ibm.com>
10725 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10728 2006-03-01 Roger Sayle <roger@eyesopen.com>
10731 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10732 declared name, the weak reference name, and the typeof name.
10733 (__gthrw): Avoid expanding the declared name suffix.
10734 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10736 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10738 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10740 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10741 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10742 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10743 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10744 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10745 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10746 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10747 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10748 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10749 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10750 (DW_END_default, DW_END_big, DW_END_little): New.
10751 (DW_END_lo_user, DW_END_hi_user): Define.
10752 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10753 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10754 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10757 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10759 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10761 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10763 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10765 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10767 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10768 to 'symbol_mem_tag'.
10770 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10773 2006-03-01 Roger Sayle <roger@eyesopen.com>
10775 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10777 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10780 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10781 MACHO_DYNAMIC_NO_PIC_P.
10782 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10784 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10787 * config/darwin-protos.h (darwin_asm_output_anchor):
10789 * config/darwin-sections.def (cstring_section):
10790 Add SECTION_MERGE to the flags.
10791 (literal4_section): Likewise.
10792 (literal8_section): Likewise.
10793 (objc_selector_refs_section): Likewise.
10794 (objc_cls_refs_section): Likewise.
10795 * config/darwin.c (darwin_asm_output_anchor): New
10797 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10799 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10801 Fix PR tree-optimization/26443
10802 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10803 to todo and PROP_tmt_usage to properties_destroyed.
10804 * tree-ssa-ccp.c (pass_ccp): Ditto.
10805 (pass_store_ccp): Ditto.
10806 * tree-ssa-dom.c (pass_dominator): Ditto.
10808 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10810 * tree-ssa-operands.c: Cleanup whitespace.
10811 (get_asm_expr_operands): Move before first invocation.
10812 (get_indirect_ref_operands): Likewise.
10813 (get_tmr_operands): Likewise.
10814 (get_call_expr_operands): Likewise.
10815 (append_def): Likewise.
10816 (append_use): Likewise.
10817 (append_v_may_def): Likewise.
10818 (append_v_must_def): Likewise.
10819 (add_call_clobber_ops): Likewise.
10820 (add_call_read_ops): Likewise.
10821 (add_stmt_operand): Likewise.
10822 (add_virtual_operand): Likewise.
10823 (build_ssa_operands): Likewise.
10825 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10827 PR middle-end/26022
10829 PR middle-end/24437
10830 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10831 with a call expr to ...
10832 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10834 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10836 * tree-vrp.c (extract_range_from_assert): Remove special
10837 handling for types with super-types.
10839 2006-03-01 Ben Elliston <bje@au.ibm.com>
10841 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10842 and powerpc64-*-linux* configurations.
10843 * config/t-dfprules: New file.
10845 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10846 Compile dfp-bit.c from the source directory using -DWIDTH and
10847 $DFP_CFLAGS to control the compilation of that file, rather than
10848 generating width-specific versions in the build directory.
10849 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10850 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10852 2006-02-28 Zack Weinberg <zackw@panix.com>
10854 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10857 2006-02-28 Eric Christopher <echristo@apple.com>
10859 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10860 Set up IN_LIBGCC definition of TARGET_64BIT.
10861 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10863 2006-02-28 Roger Sayle <roger@eyesopen.com>
10865 PR middle-end/14752
10866 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10867 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10868 cases via the construction of "expr != 0".
10870 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10872 * alias.c (alias_invariant, alias_invariant_size): Remove.
10873 (record_base_value): Remove.
10874 (memrefs_conflict_p): Don't look at alias_invariant.
10875 (end_alias_analysis): Don't free it.
10876 * alias.h (record_base_value): Remove prototype.
10878 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10879 Adam Nemet <anemet@caviumnetworks.com>
10881 * rtl.h (truncated_to_mode): Declare it.
10882 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10883 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10884 (RTL_HOOKS_INITIALIZER): Include it.
10885 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10886 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10887 reg_truncated_to_mode.
10888 * rtlanal.c (truncated_to_mode): Define it.
10889 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10891 2006-02-28 Jeff Law <law@redhat.com>
10893 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10894 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10895 the range allowed by TYPE_PRECISION.
10897 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10899 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10901 PR tree-optimization/26419
10902 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10905 2006-02-27 Zack Weinberg <zackw@panix.com>
10907 * doc/md.texi: Fix typo in previous change.
10909 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10913 2006-02-27 Zack Weinberg <zackw@panix.com>
10915 * rtl.def (define_constraint, define_register_constraint)
10916 (define_memory_constraint, define_address_constraint): New MD forms.
10917 * gensupport.c (process_rtx): Put define_constraint etc on the
10919 * genpreds.c (process_define_predicate): Adjust comment. Validate
10920 the name, and call validate_exp to validate the expression.
10921 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10922 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10923 all callers changed.
10924 (validate_exp, needs_variable, struct constraint_data)
10925 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10926 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10927 (const_dbl_constraints, constraint_max_namelen)
10928 (have_register_constraints, have_memory_constraints)
10929 (have_address_constraints, have_address_constraints)
10930 (have_extra_constraints, have_const_int_constraints)
10931 (have_const_dbl_constraints, mangle, add_constraint)
10932 (process_define_constraint, process_define_register_constraint)
10933 (write_enum_constraint_num, write_lookup_constraint)
10934 (write_insn_constraint_len, write_regclass_for_constraint)
10935 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10936 (write_insn_extra_memory_constraint)
10937 (write_insn_extra_address_constraint)
10938 (write_satisfies_constraint_fns): New.
10939 (write_tm_preds_h): If we have new-style constraint definitions,
10940 prototype the functions generated from them, and define the
10941 old constraint interface (still used by generic code) in terms of
10943 (write_insn_preds_c): If we have new-style constraint definitions,
10944 generate all relevant functions from those definitions.
10945 (main): Handle define_constraint etc.
10946 * genoutput.c (struct constraint_data, indep_constraints)
10947 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10948 (mdep_constraint_len): New data structures and functions, defined
10949 #ifdef USE_MD_CONSTRAINTS.
10950 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10951 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10952 use new logic to validate operand constraints against constraint
10954 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10956 * defaults.h: If none of the old-style constraint macros are
10957 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10958 old-style macros; and poison REG_CLASS_FROM_LETTER,
10959 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10961 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10962 * doc/md.texi: Document new constraint-definition mechanism and the
10963 C interface it provides. Remove references to old mechanism
10964 elsewhere in the document.
10965 (Machine Constraints): Use pathnames relative to gcc directory,
10966 i.e. config/ARCH/FILE. Change i386 section to refer to
10967 config/i386/predicates.md; update that section to match docstrings.
10968 * doc/tm.texi: Move all documentation of the old constraint-
10969 definition macros to their own section, clearly mark as obsolete.
10971 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10972 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10974 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10975 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10976 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10977 constraint strings.
10978 (splits and peepholes): Use satisfies_constraint_*.
10979 * config/i386/i386.c (memory_address_length)
10980 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10982 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10984 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10985 scalar operation to be put back into the loop.
10987 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10990 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10991 (extract_cie_info): Handle S flag in augmentation string.
10992 (execute_cfa_program): If context->signal_frame, execute also
10993 fs->pc == context->ra instructions.
10994 (uw_frame_state_for): If context->signal_frame, don't subtract one
10995 from context->ra to find FDE.
10996 (uw_update_context_1): Set context->signal_frame to
10998 (_Unwind_GetIPInfo): New function.
10999 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11000 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11002 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11003 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11004 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11005 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11006 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11007 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11008 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11009 x86_64_fallback_frame_state): Set fs->signal_frame.
11010 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11011 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11012 (frob_update_context): Likewise. Workaround missing S flag in
11013 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11014 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11015 Remove the psw_addr + 1 hack.
11017 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11019 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11020 with aggregates here.
11021 (find_func_aliases): Remove code for &<aggregate> from here.
11023 2006-02-26 Roger Sayle <roger@eyesopen.com>
11025 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11026 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11027 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11028 as (X & C) ne/eq 0.
11030 2006-02-26 Roger Sayle <roger@eyesopen.com>
11032 PR middle-end/19983
11033 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11035 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11037 * opts.c (decode_options): Do not handle flag_strength_reduce.
11038 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11039 and OPT_fstrength_reduce.
11040 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11041 flag_prefetch_loop_arrays for being nonzero.
11042 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11044 (fprefetch-loop-arrays-rtl): Removed.
11045 (flag_prefetch_loop_arrays): Do not specify the value.
11047 * doc/passes.texi: Update documentation of loop optimizer
11049 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11050 -frerun-loop-opt): Remove.
11052 2006-02-26 Richard Guenther <rguenther@suse.de>
11054 PR tree-optimization/26421
11055 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11056 in function calls that are ADDR_EXPRs as using the whole structure.
11058 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11060 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11061 * tree-pass.h (pass_loop_optimize): Remove.
11062 * passes.c (pass_loop_optimize): Never run it.
11063 * toplev.c (backend_init): Don't call init_loop.
11064 * opts.c (flag_loop_optimize_set): Remove.
11065 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11066 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11067 the old RTL loop optimizer when profiling enabled.
11068 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11069 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11070 pre-headers for the sake of the old RTL loop optimizer.
11071 * Makefile.in: Remove all references to loop.o.
11073 * doc/invoke.texi: Remove all references to -floop-optimize
11074 and -frerun-loop-opt.
11076 2006-02-26 Zack Weinberg <zackw@panix.com>
11078 * doc/md.texi (Machine Constraints): Refer to all files with paths
11079 relative to gcc directory (i.e. config/CPU/file). Add missing
11080 @table @code ... @end table to M32C subsection.
11082 2006-02-26 Roger Sayle <roger@eyesopen.com>
11084 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11086 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11088 2006-02-26 Roger Sayle <roger@eyesopen.com>
11089 James A. Morrison <phython@gcc.gnu.org>
11091 PR middle-end/21137
11092 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11093 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11094 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11095 signedness of the shift operation.
11097 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11099 PR tree-optimization/26359
11100 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11102 2006-02-25 Roger Sayle <roger@eyesopen.com>
11104 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11105 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11106 as X == 0, and some symmetry related transformations.
11107 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11109 2006-02-25 Roger Sayle <roger@eyesopen.com>
11111 PR middle-end/23673
11112 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11113 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11114 symmetry related transformations. Fold (X^C1) == C2 as
11117 2006-02-25 Juergen Weigert <jw@suse.de>
11118 Richard Guenther <rguenther@suse.de>
11120 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11122 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11124 * combine.c (gen_lowpart_or_truncate): Call
11125 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11127 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11129 * doc/invoke.texi: Move -fopenmp description to "Options for
11131 Remove reference to -lgomp.
11133 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11135 * doc/install.texi: Require GNU tar version 1.14.
11137 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11139 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11140 * doc/invoke.texi (C++ Dialect Options): Document
11141 -fno-use-cxa-get-exception-ptr.
11142 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11143 * configure: Regenerate.
11144 * c.opt (fuse-cxa-get-exception-ptr): New.
11145 * c-opts.c (c_common_handle_option): Handle
11146 OPT_fuse_cxa_get_exception_ptr.
11147 * c-common.c (flag_use_cxa_atexit): Update documentation.
11148 (flag_use_cxa_get_exception_ptr): New.
11149 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11150 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11152 (C_COMMON_OVERRIDE_OPTIONS): New.
11154 2006-02-24 Roger Sayle <roger@eyesopen.com>
11156 PR middle-end/24952
11157 * combine.c (try_combine): Explicitly check whether GET_CODE is
11158 a SET or a CLOBBER, instead on checking that it isn't a USE.
11160 2006-02-24 Roger Sayle <roger@eyesopen.com>
11162 * fold-const.c (fold_comparison): New subroutine of fold_binary
11163 containing transformations common to both the equality and
11164 ordering relational operators, factored out of fold_binary.
11165 (fold_binary): Separate out the equality operators (EQ_EXPR
11166 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11167 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11168 transformations common to both.
11169 (fold_div_compare): Fix latent bugs in the previously unreachable
11170 LT_EXPR and GE_EXPR cases.
11172 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11174 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11175 decl libname for clog to __clog on AIX.
11177 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11179 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11182 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11183 output traceback table for thunks. Localise rs6000_stack_info call.
11185 2006-02-23 Roger Sayle <roger@eyesopen.com>
11186 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11188 * gthr-posix.h (__gthrw): Fix typo in comment.
11190 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11192 * doc/cpp.texi (Character sets): Document that we do support
11193 input files to be in any character set.
11195 2006-02-23 Jeff Law <law@redhat.com>
11197 * tree.h (PHI_ARG_NONZERO): Remove.
11198 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11199 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11200 node to the new node.
11202 PR tree-optimization/26425
11203 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11204 min/max, then assume its varying.
11206 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11208 PR rtl-optimization/26316
11209 * rtlanal.c (enum may_trap_p_flags): New.
11210 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11211 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11212 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11213 (may_trap_after_code_motion_p): New function.
11214 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11215 (find_invariant_insn): Use may_trap_after_code_motion_p.
11216 * rtl.h (may_trap_after_code_motion_p): Declare.
11218 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11220 * emit-rtl.c (immed_double_const): Cleanup.
11222 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11224 Fix PR tree-optimization/26376
11225 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11228 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11230 PR middle-end/26412
11231 * gimplify.c (omp_add_variable): Guard variable size decl test with
11232 DECL_SIZE (decl) check.
11234 2006-02-23 Richard Guenther <rguenther@suse.de>
11236 PR middle-end/26439
11237 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11238 like aggregate types.
11240 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11242 * configure.ac: Add --with{,out}-long-double-128 configure option.
11243 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11244 * configure: Rebuilt.
11245 * config.in: Rebuilt.
11246 * doc/install.texi (Options specification): Document
11247 --with-long-double-128.
11249 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11250 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11251 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11252 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11254 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11256 * config/s390/s390.c (override_options): Handle
11257 TARGET_DEFAULT_LONG_DOUBLE_128.
11259 * config/alpha/alpha.c (override_options): Handle
11260 TARGET_DEFAULT_LONG_DOUBLE_128.
11262 * config/sparc/sparc.c (sparc_override_options): Handle
11263 TARGET_DEFAULT_LONG_DOUBLE_128.
11265 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11267 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11268 (real-install-headers-tar, real-install-headers-cpio)
11269 (real-install-headers-cp): New targets.
11271 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11273 * tree.h (variable_section): Delete.
11274 * varasm.c (variable_section): Delete.
11276 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11278 * install.texi: Add notes on install.texi2html.
11279 (Building in parallel): Do not use footnotes.
11281 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11284 * doc/install.texi (Configuration): Document --disable-libgomp.
11286 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11288 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11290 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11292 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11293 (vec_extractv2df_0_sse): New.
11295 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11297 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11298 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11299 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11300 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11301 to the result of the expression.
11302 (def_cfa_1): Adjust.
11303 (frame_pointer_cfa_offset): Rename to...
11304 (frame_pointer_fb_offset): ... this. Adjust all uses.
11305 (convert_cfa_to_loc_list): Rename to...
11306 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11307 Pass it on to build_cfa_loc.
11308 (compute_frame_pointer_to_cfa_displacement): Rename to...
11309 (compute_frame_pointer_to_fb_displacement): ... this. New
11310 offset parameter. Use it in computation.
11311 (gen_subprogram_die): Compute cfa_fb_offset with the new
11312 macro, and use it to compute the fb loc list and the
11315 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11317 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11318 replaced with register_operand.
11319 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11320 non-DREG is expensive.
11321 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11322 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11325 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11327 * doc/install.texi2html: Use set -e.
11329 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11331 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11332 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11333 * doc/invoke.texi (-fshared-data): Delete.
11334 * common.opt (fshared-data): Delete.
11335 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11336 (assemble_static_space): Remove #if 0 code.
11337 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11338 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11339 * config/cris/cris.h: Remove FIXME.
11341 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11343 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11346 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11348 PR middle-end/26379
11349 * combine.c (simplify_shift_const_1): Disable nested shifts
11350 optimization for vector shifts.
11352 2006-02-20 Roger Sayle <roger@eyesopen.com>
11354 PR tree-optimization/26361
11355 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11356 of unsigned integer types.
11358 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11360 * tree-chrec.c (eq_evolutions_p): New.
11361 * tree-chrec.h (eq_evolutions_p): Declared.
11362 * tree-data-ref.c: Fix formatting.
11363 (datadep_stats, dependence_stats): New.
11365 (print_direction_vector): New.
11366 (dump_data_dependence_relation): Use print_direction_vector.
11367 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11368 (compute_subscript_distance): Static.
11369 (initialize_data_dependence_relation): Static. Get the number
11370 of loops surrounding the references from the callers, and initialize
11371 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11372 base_object_differ_p analyzers.
11373 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11374 compute_overlap_steps_for_affine_1_2,
11375 analyze_subscript_affine_affine): Count the classified dependences.
11376 Print a message when a test failed.
11377 (can_use_analyze_subscript_affine_affine): New.
11378 (analyze_siv_subscript): Compute the data dependences on symbolic
11379 scevs that verify can_use_analyze_subscript_affine_affine.
11380 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11381 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11382 Handle symbolic scevs.
11383 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11385 (subscript_dependence_tester): Moved...
11386 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11387 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11388 DDR_SIZE_VECT instead of getting it in parameter.
11389 (subscript_dependence_tester): ... here. Take as a parameter
11390 loop_nest_depth. Call build_classic_dist_vector and
11391 build_classic_dir_vector.
11392 (compute_affine_dependence): Update subscript_dependence_tester
11393 parameters. Update datadep_stats counters. Call
11394 compute_subscript_distance.
11395 (compute_self_dependence): Save the dist and dir vectors. Call
11396 compute_subscript_distance.
11397 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11398 (compute_all_dependences): Reorder parameters as they were before
11399 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11400 compute_subscript_distance. Update the use of
11401 compute_affine_dependence and initialize_data_dependence_relation.
11402 (find_data_references_in_loop): Handle COMPONENT_REF.
11403 (compute_data_dependences_for_loop): Initialize dependence_stats.
11404 Don't call build_classic_dist_vector and build_classic_dir_vector.
11405 Update the parameters of initialize_data_dependence_relation and
11406 compute_all_dependences. Print the statistics from datadep_stats.
11407 (analyze_all_data_dependences): Static. Not used until the pass for
11408 checking the data dependences is contributed.
11409 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11410 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11411 (initialize_data_dependence_relation, compute_affine_dependence,
11412 analyze_all_data_dependences, compute_subscript_distance): Removed.
11413 (print_direction_vector): New.
11414 * lambda.h (gcd): ... here.
11415 (lambda_vector_gcd): Moved here from gcd_vector.
11416 * lambda-code.c (gcd, gcd_vector): Removed.
11417 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11418 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11420 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11422 * ipa-type-escape.c: Tidy some comments and white space.
11423 * tree-ssa-operands.c: Likewise.
11425 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11428 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11429 (dump_decl_name): Do not walk the decl tree chains.
11430 * tree-pass.h (TDF_CHAIN): Remove.
11432 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11434 * Makefile.in (C): Remove
11436 (.PHONY): Remove C and PROTO
11438 2006-02-20 Roger Sayle <roger@eyesopen.com>
11440 PR middle-end/26236
11441 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11442 deprecated CHAR_TYPE tree code.
11444 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11446 * configure.ac (target_list): Add install-info, dvi, html.
11447 * configure: Regenerate.
11449 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11450 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11451 treelang/Make-lang.in: Do not use double-colon rules.
11453 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11455 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11456 (TMT_USED_ALONE): New macro.
11457 * tree-pass.h (PROP_tmt_usage): New property.
11458 (TODO_update_tmt_usage): New todo.
11459 * tree-ssa-alias.c (updating_used_alone): New variable.
11460 (recalculate_used_alone): New function.
11461 (compute_may_aliases): Set updating_used_alone, call
11462 recalculate_used_alone.
11463 * tree-sra.c (pass_sra): Note that this pass destroys
11464 PROP_tmt_usage, and add TODO_update_tmt_usage.
11465 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11466 * tree-flow.h (updating_used_alone): Prototype.
11467 (recalculate_used_alone): Ditto.
11468 * passes.c (execute_todo): Add code to set updating_used_alone,
11469 and call recalculate.
11470 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11471 for clobber if used alone, and add assert to verify used_alone
11474 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11476 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11477 for non tls symbols added.
11478 (legitimize_address): Do nothing for PLUS expressions if one of the
11479 addends is a tls symbol reference.
11481 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11485 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11487 * Makefile.in (BOOTSTRAPPING): New.
11488 (quickstrap): New definition if BOOTSTRAPPING=yes.
11490 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11491 * configure.ac: Substitute all_selected_languages with the languages
11492 that were configured. For all the other variables except
11493 lang_specs_files, include all the languages in the tree.
11494 * configure: Regenerate.
11496 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11497 if there is one. Run the commands to run fixincludes in the same
11500 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11501 * doc/install.texi: Document exact conventions for searching target tools.
11502 Document --with-build-time-tools. Document toplevel bootstrap. Document
11503 something more about building an Ada cross-compiler. Don't list GNU Make
11504 requirements which affect all platforms.
11506 2006-02-19 Roger Sayle <roger@eyesopen.com>
11508 PR middle-end/19543
11509 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11510 only equivalent if the have both the same mode and precision.
11512 2006-02-20 Ben Elliston <bje@au.ibm.com>
11514 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11516 2006-02-19 Roger Sayle <roger@eyesopen.com>
11517 Steven Bosscher <stevenb.gcc@gmail.com>
11519 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11520 constant pool references to identify stack mode constants.
11521 * rtlanal.c (constant_pool_constant_p): New predicate to check
11522 whether operand is a floating point constant in the pool.
11523 * rtl.h (constant_pool_constant_p): Prototype here.
11524 * loop.c (scan_loop): Avoid hoisting constants from the constant
11525 pool on STACK_REGS targets.
11526 (load_mems): Likewise.
11527 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11528 loads into x87 registers expensive in terms of register pressure.
11530 2006-02-19 Roger Sayle <roger@eyesopen.com>
11532 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11533 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11535 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11537 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11538 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11540 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11542 * doc/invoke.texi: Document -fipa-pta.
11543 * common.opt: Add ipa-pta option.
11544 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11545 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11546 (do_ds_constraint): Ditto.
11547 (get_constraint_for): Only add to referenced_vars if
11548 referenced_vars exists.
11549 (insert_into_field_list): Rewrite to do this unsorted.
11550 (insert_into_field_list_sorted): Rename old insert_into_field_list
11552 (create_function_info_for): Use insert_into_field_list_sorted.
11553 (create_variable_info_for): Rewrite so it uses unsorted version,
11554 since the field list is sorted.
11555 (intra_create_variable_infos): Only add to referenced_vars if
11556 referenced_vars exists.
11557 (ipa_pta_execute): Init heapvars, and delete when done.
11558 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11560 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11562 * doc/install.texi: Add missing `@samp'.
11564 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11566 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11569 2006-02-18 Mark Wielaard <mark@klomp.org>
11571 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11572 who added new 4.1 features, bug fixes and integration support.
11574 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11577 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11578 MEM for ABI_V4 pic.
11580 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11582 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11583 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11584 (copy_insn_1): Likewise. Don't copy each field individually.
11586 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11588 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11589 * rtl.c (rtx_size): Rename variable to...
11590 (rtx_code_size): ...this.
11591 (rtx_size): New function.
11592 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11593 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11595 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11596 * rtl.h (rtx_code_size): New variable.
11597 (rtx_size): Change from a variable to a function.
11598 (RTX_SIZE): Rename to...
11599 (RTX_CODE_SIZE): ...this.
11602 PR tree-optimization/17106
11603 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11604 (Anchored Addresses): New section.
11605 * doc/invoke.texi (-fsection-anchors): Document.
11606 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11607 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11608 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11609 * hooks.c (hook_bool_mode_rtx_false): New function.
11610 * hooks.h (hook_bool_mode_rtx_false): Declare.
11611 * gengtype.c (create_optional_field): New function.
11612 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11613 SYMBOL_REF_IN_BLOCK_P is true.
11614 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11615 (min_anchor_offset, max_anchor_offset): Likewise.
11616 (use_anchors_for_symbol_p): New hook.
11617 * toplev.c (compile_file): Call output_object_blocks.
11618 (target_supports_section_anchors_p): New function.
11619 (process_options): Check that -fsection-anchors is only used on
11620 targets that support it and when -funit-at-a-time is in effect.
11621 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11622 if the decl doesn't have one.
11623 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11624 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11625 of force_const_mem through use_anchored_address.
11626 (expand_expr_constant): New function.
11627 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11628 calling expand_expr for INDIRECT_REF.
11629 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11630 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11631 * expr.h (use_anchored_address): Declare.
11632 * loop-unroll.c: Don't declare rtx vectors here.
11633 * explow.c: Include output.h.
11634 (validize_mem): Call use_anchored_address.
11635 (use_anchored_address): New function.
11636 * common.opt (-fsection-anchors): New switch.
11637 * varasm.c (object_block_htab, anchor_labelno): New variables.
11638 (hash_section, object_block_entry_eq, object_block_entry_hash)
11639 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11640 (use_blocks_for_decl_p, change_symbol_section): New functions.
11641 (get_variable_section): New function, split out from assemble_variable.
11642 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11643 use_blocks_for_decl_p say so. Use change_symbol_section if the
11644 symbol has already been created.
11645 (assemble_variable_contents): New function, split out from...
11646 (assemble_variable): ...here. Don't output any code for
11647 block symbols; just pass them to place_block_symbol.
11648 Use get_variable_section and assemble_variable_contents.
11649 (get_constant_alignment, get_constant_section, get_constant_size): New
11650 functions, split from output_constant_def_contents.
11651 (build_constant_desc): Create a block symbol if use_object_blocks_p
11652 says so. Or into SYMBOL_REF_FLAGS.
11653 (assemble_constant_contents): New function, split from...
11654 (output_constant_def_contents): ...here. Don't output any code
11655 for block symbols; just pass them to place_section_symbol.
11656 Use get_constant_section and get_constant_alignment.
11657 (force_const_mem): Create a block symbol if use_object_blocks_p and
11658 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11659 (output_constant_pool_1): Add an explicit alignment argument.
11660 Don't switch sections here.
11661 (output_constant_pool): Adjust call to output_constant_pool_1.
11662 Switch sections here instead. Don't output anything for block symbols;
11663 just pass them to place_block_symbol.
11664 (init_varasm_once): Initialize object_block_htab.
11665 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11666 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11667 (place_block_symbol, get_section_anchor, output_object_block)
11668 (output_object_block_htab, output_object_blocks): New functions.
11669 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11670 (TARGET_ASM_OUT): Include it.
11671 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11672 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11673 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11674 (TARGET_INITIALIZER): Include them.
11675 * rtl.c (rtl_check_failed_block_symbol): New function.
11676 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11677 (block_symbol, object_block): New structures.
11678 (rtx_def): Add a block_symbol field to the union.
11679 (BLOCK_SYMBOL_CHECK): New macro.
11680 (rtl_check_failed_block_symbol): Declare.
11681 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11682 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11683 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11684 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11685 * output.h (output_section_symbols): Declare.
11686 (object_block): Name structure.
11687 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11688 (default_use_anchors_for_symbol_p): Declare.
11689 * Makefile.in (RTL_BASE_H): Add vec.h.
11690 (explow.o): Depend on output.h.
11691 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11692 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11693 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11694 (rs6000_use_blocks_for_constant_p): New function.
11696 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11698 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11700 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11703 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11706 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11708 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11712 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11714 PR middle-end/26334
11715 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11716 instead of DECL_REGISTER.
11718 2006-02-18 Olivier Hainque <hainque@adacore.com>
11721 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11723 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11726 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11727 * opth-gen.awk: Handle Var and InverseMask together.
11728 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11729 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11730 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11731 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11733 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11734 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11735 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11736 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11737 LINUX_DYNAMIC_LINKER): Define.
11738 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11739 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11741 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11742 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11743 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11744 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11745 (TARGET_C99_FUNCTIONS): Don't define.
11746 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11747 GLIBC_DYNAMIC_LINKER.
11748 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11749 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11750 GLIBC_DYNAMIC_LINKER64): Define.
11751 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11752 LINUX_DYNAMIC_LINKER64.
11753 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11754 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11755 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11756 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11757 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11758 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11759 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11760 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11761 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11762 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11763 and LINUX_DYNAMIC_LINKER32.
11764 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11765 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11766 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11767 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11768 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11770 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11771 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11772 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11773 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11774 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11775 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11776 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11777 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11778 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11779 LINUX_DYNAMIC_LINKER): Define.
11780 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11781 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11782 GLIBC_DYNAMIC_LINKER64): Define.
11783 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11784 LINUX_DYNAMIC_LINKER64.
11785 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11786 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11787 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11788 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11789 LINUX_DYNAMIC_LINKER): Define.
11790 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11791 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11792 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11793 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11794 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11795 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11796 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11797 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11798 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11799 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11800 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11801 * doc/invoke.texi (-muclibc): Remove caveat about supported
11804 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11806 * doc/cpp.texi (__TIMESTAMP__): Document.
11808 2006-02-17 Roger Sayle <roger@eyesopen.com>
11810 PR middle-end/25600
11811 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11812 C is one less than the width of X (and related transformations).
11813 * simplify-rtx.c (simplify_unary_operation_1): Transform
11814 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11815 depending on STORE_FLAG_VALUE, were C is one less then the
11818 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11820 Fix PR tree-optimization/26341
11821 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11822 about NAME_MEMORY_TAG's.
11824 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11827 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11828 with hardware float support, and software float support. Add fcpy
11829 alternative to hardware patterns. Add alternatives to copy between
11830 general and floating-point registers to the 32-bit pattern.
11831 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11832 secondary reload to load a QI or HI mode constant into a floating
11834 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11835 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11837 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11840 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11842 (load_macho_picbase_di): Likewise.
11844 2006-02-16 Jeff Law <law@redhat.com>
11846 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11847 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11848 (ssa_name_nonzero_p): Likewise.
11849 (get_value_range): Return NULL if VRP is not running.
11850 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11851 VRP routines do not discover a range.
11852 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11853 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11854 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11855 (tree_expr_nonnegative_p): Similarly.
11856 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11857 (restore_nonzero_vars_to_original_value): Remove.
11858 (unsafe_associative_fp_binop): Remove.
11859 (tree_ssa_dominator_optimize): Remove initialization and
11860 finalization of nonzero_vars and nonzero_vars_stack.
11861 (dom_opt_initialize_block): No longer push marker on
11862 nonzero_vars_stack.
11863 (dom_opt_finalize_block): No longer call
11864 restore_nonzero_vars_to_original_value.
11865 (record_equivalences_from_phis): No longer look for
11866 nonzero PHI arguments.
11867 (cprop_into_successor_phis): No longer propagate nonzero
11868 property into PHI arguments. Lose unused argument. Caller
11870 (record_equivalences_from_stmt): No longer record nonzero
11871 values for SSA_NAMEs.
11872 (lookup_avail_expr): No longer use nonzero_vars.
11874 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11875 for sizetype when sizetype is unsigned.
11877 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11879 PR rtl-optimization/25603
11880 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11881 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11882 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11883 with new meaning of SETS.
11885 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11890 * config/linux.opt: New file.
11891 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11892 LINUX_DYNAMIC_LINKER): Define.
11893 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11894 * config.gcc (*-*-linux*): Define extra_options.
11895 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11896 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11897 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11898 GLIBC_DYNAMIC_LINKER.
11899 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11900 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11901 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11902 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11903 * doc/invoke.texi (GNU/Linux Options): New section.
11905 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11907 * config/sparc/sparc.md (setjmp): Rewrite.
11908 (setjmp_32): Delete.
11909 (setjmp_64): Likewise.
11911 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11913 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11916 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11918 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11921 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11923 PR rtl-optimization/26296
11924 * Makefile.in (loop-invariant.c): Add except.h dependency.
11925 * loop-invariant.c: Include except.h.
11926 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11928 2005-02-16 Paul Brook <paul@codesourcery.com>
11930 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11933 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11935 PR rtl-optimization/25636
11936 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11937 when deciding whether an insn is an initializing insn.
11939 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11941 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11942 (tree_code_size): Ditto.
11943 * tree.h (struct tree_memory_tag): Remove parent_var.
11944 (struct tree_struct_field_tag): New.
11947 (union tree_node): Add sft member.
11948 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11950 (create_sft): Add size and offset argument, set SFT_OFFSET and
11952 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11953 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11954 * tree-flow-inline.h (get_subvar_at): Update for
11955 SFT_OFFSET/SFT_SIZE.
11956 (var_can_have_subvars): Ditto.
11957 (overlap_subvar): Ditto.
11958 * print-tree.c (print_node): Print out interesting things for
11960 * tree-flow.h (struct subvar): Remove offset and size members.
11961 * tree-ssa-operands.c (get_expr_operands): Update for
11962 get_indirect_ref_operands changes.
11963 (get_indirect_ref_operands): Call add_virtual_operand instead of
11964 add_stmt_operand. Only recurse on base var if requested.
11965 (access_can_touch_variable): New function.
11966 (add_stmt_operand): Split virtual operand handling into ...
11967 (add_virtual_operand): Here. Add offset, size, and for_clobber
11968 arguments. Prune alias sets.
11969 (add_call_clobber_ops): Call add_virtual_operand.
11971 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11973 PR middle-end/26300
11974 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11976 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11977 than TREE_CODE as index into omp_clause_num_ops array.
11979 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11981 PR rtl-optimization/26184
11982 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11984 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11985 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11986 must_precede, must_follow and tobe_scheduled.
11989 * opts.c (common_handle_option): Free new_option pointer.
11990 * df-core.c (df_analyze): Free postorder pointer.
11992 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11994 * Makefile.in: Fix the examples about the use of stamps
11996 2006-02-15 Michael Matz <matz@suse.de>
11998 PR middle-end/22275
12000 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12001 influenced by maximum_field_alignment or DECL_PACKED.
12002 (update_alignment_for_field): Ditto.
12003 (place_field): Ditto.
12004 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12007 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12009 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12010 (debug_flow_info): Pass it.
12011 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12012 * bb-reorder.c (reorder_basic_blocks): Likewise.
12013 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12014 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12015 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12016 * gcse.c (gcse_main, bypass_jumps): Likewise.
12017 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12018 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12019 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12020 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12021 * rtl.h (dump_flow_info): Adjust prototype.
12022 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12023 * var-tracking.c (variable_tracking_main): Likewise.
12024 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12025 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12028 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12030 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12033 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12035 PR tree-optimization/26209
12036 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12037 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12039 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12041 2006-02-14 Roger Sayle <roger@eyesopen.com>
12043 PR middle-end/23670
12044 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12045 (X,Y) and the corresponding symmetry related transformations.
12046 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12047 (X,Y) and its symmetry related transformations.
12049 2006-02-14 Roger Sayle <roger@eyesopen.com>
12051 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12054 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12056 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12058 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12061 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12062 support COMDAT group.
12063 * configure: Regenerate.
12065 2006-02-14 Roger Sayle <roger@eyesopen.com>
12067 PR middle-end/26279
12068 PR middle-end/26280
12069 PR middle-end/26283
12070 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12072 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12074 Fix PR tree-optimization/26260
12076 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12078 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12079 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12080 * tree-ssa-structalias.c (create_variable_info_for): Use
12081 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12083 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12085 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12087 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12088 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12089 of the ending condition.
12090 * tree-ssa-loop-manip.c: Include params.h.
12091 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12092 tree_unroll_loop): New functions.
12093 * tree-pass.h (pass_loop_prefetch): Declare.
12094 * loop.c (rest_of_handle_loop_optimize): Test for
12095 -fprefetch-loop-arrays-rtl.
12096 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12097 * timevar.def (TV_TREE_PREFETCH): New timevar.
12098 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12099 pass_loop_prefetch): New.
12100 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12101 (cleanup_tree_cfg_loop): Call scev_reset.
12102 * common.opt (fprefetch-loop-arrays-rtl): Add.
12103 * tree-ssa-loop-prefetch.c: New file.
12104 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12105 (new_temp_expr_table): Initialize expr_vars.
12106 (free_temp_expr_table): Cleanup expr_vars.
12107 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12108 expressions from being merged into one.
12109 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12110 (struct tree_niter_desc): Add control, bound and cmp fields.
12111 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12113 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12114 (tree-cfgcleanup.o): Add SCEV_H dependency.
12115 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12116 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12118 2006-02-14 Richard Guenther <rguenther@suse.de>
12120 PR tree-optimization/26258
12121 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12122 in PHI argument processing.
12124 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12126 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12127 new expression in the requested machine mode.
12129 2006-02-13 Roger Sayle <roger@eyesopen.com>
12131 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12132 directly, instead let do_compare_rtx_and_jump handle this for us.
12133 * expr.c (expand_expr_real_1): Likewise.
12134 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12135 before do_jump_by_parts_greater.
12136 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12137 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12139 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12141 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12143 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12145 PR rtl-optimization/26235
12146 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12147 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12150 2006-02-13 Jeff Law <law@redhat.com>
12152 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12155 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12157 PR middle-end/26092
12158 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12159 twice if decl is a builtin. When trying again, call get_callee_fndecl
12160 first to verify it is still a builtin.
12162 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12164 * dwarf2out.c (base_type_die): Don't add AT_name here.
12165 (subrange_type_die): Don't add AT_name here.
12166 (modified_type_die): Rearrange code flow. Do add AT_name here.
12168 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12170 PR rtl-optimization/26247
12171 PR rtl-optimization/26248
12172 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12174 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12176 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12177 * config/fixtfdi.c: Likewise.
12178 * config/fixunstfdi.c: Likewise.
12179 * config/floatditf.c: Likewise.
12181 2006-02-13 Roger Sayle <roger@eyesopen.com>
12183 PR middle-end/24427
12184 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12185 into (X,C2) if C1 is a subset of the bits of C2. Transform
12186 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12188 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12190 2006-02-13 Josh Conner <jconner@apple.com>
12193 * varasm.c (function_section): Check for section name before
12194 calling select_section on targets that define
12195 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12196 unlikely_text_section instead of hot_function_section if
12197 first_function_block_is_cold.
12199 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12201 PR middle-end/25335
12202 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12204 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12206 PR rtl-optimization/26222
12207 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12208 after tree->rtl expansion.
12209 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12210 before passing it to emit_move_insn.
12212 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12214 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12216 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12217 Clarify documentation.
12218 * c-common.h (warn_write_strings): Remove.
12219 * c-common.c (warn_write_strings): Likewise.
12220 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12223 2006-02-12 Roger Sayle <roger@eyesopen.com>
12225 PR middle-end/25724
12226 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12227 (do_jump_parts_zero_rtx): New function renamed from
12228 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12229 (do_jump_parts_equality_rtx): New function split out from
12230 do_jump_parts_equality. Old implementation renamed as above.
12231 Call do_jump_parts_zero_rtx if either operand is zero.
12232 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12233 do all of the heavy lifting.
12234 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12235 calling either do_jump_by_parts_greater_rtx or
12236 do_jump_by_parts_equality_rtx.
12237 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12238 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12239 moved to do_compare_rtx_and_jump, call it directly.
12240 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12241 mode argument. Call do_compare_rtx_and_jump.
12242 (emit_case_nodes): Update calls to do_jump_if_equal.
12244 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12246 PR rtl-optimization/26225
12247 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12249 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12251 PR rtl-optimization/26232
12252 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12254 2006-02-11 Jason Merrill <jason@redhat.com>
12257 * tree-inline.c (declare_return_variable): Just don't use the
12258 modify target if it's a gimple complex reg and the return slot
12261 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12263 * doc/contrib.texi: Update my entry.
12265 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12267 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12269 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12271 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12274 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12276 * doc/invoke.texi (-floop-optimize2): Removed.
12277 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12278 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12279 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12280 * common.opt (floop-optimize2): Removed.
12281 (fmove-loop-invariants): Enabled by default.
12283 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12285 * tree-if-conv.c (combine_blocks): Free the result of
12286 get_loop_exit_edges.
12288 2006-02-10 Jeff Law <law@redhat.com>
12290 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12292 PR tree-optimization/26213
12293 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12294 loop trying to follow SSA_NAME_VALUE chains.
12296 2006-02-10 Richard Guenther <rguenther@suse.de>
12298 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12299 deal with structures that end in implicitly variable sized arrays.
12301 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12303 PR rtl-optimization/24762
12304 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12307 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12309 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12310 (struct ivopts_data): Add regs_used field.
12311 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12312 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12313 instead of loop_data->regs_used;
12314 (free_loop_data): Do not free aux fields for loops.
12315 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12316 and tree_ssa_iv_optimize_finalize.
12318 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12320 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12322 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12325 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12326 computing the effective result type.
12328 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12330 PR inline-asm/16194
12331 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12332 (tree_overlaps_hard_reg_set): Declare.
12333 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12334 type and signature to match function type expected by walk_tree.
12335 (tree_overlaps_hard_reg_set): New function.
12336 (decl_conflicts_with_clobbers_p): Rename to:
12337 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12338 Use tree_overlaps_hard_reg_set. Changed caller.
12339 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12340 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12341 * cris.c (cris_md_asm_clobbers): Likewise.
12343 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12345 * reload1.c (emit_input_reload_insns): Delete code that tries to
12346 inherit using find_equiv_reg.
12348 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12350 * c-common.h (flag_const_strings): Don't declare.
12351 * c-common.c (flag_const_strings): Remove.
12352 * c.opt (fconst_strings): Remove.
12353 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12354 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12355 (c_common_init_options): Don't set flag_const_strings.
12356 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12358 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12360 * arm.md (tlobits_cbranch): New pattern.
12361 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12362 testing a single bit.
12364 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12367 * tree-ssa-pre.c (create_component_ref_by_pieces):
12368 Handle RETURN_DECL like VAR_DECL.
12370 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12372 PR middle-end/26134
12373 * fold-const.c (fold_indirect_ref_1): Fold
12374 "*(foo *)&complexfoo" to "__real__ complexfoo"
12375 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12377 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12379 * tree-flow-inline.h (var_can_have_subvars):
12380 Volatile variables should not have subvariables.
12382 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12385 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12386 multiplying unsigned values.
12389 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12391 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12393 2006-02-08 Jason Merrill <jason@redhat.com>
12396 * tree.def: Elaborate on difference from MODIFY_EXPR.
12397 * doc/c-tree.texi (INIT_EXPR): Likewise.
12398 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12399 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12400 (gimplify_target_expr): Likewise.
12401 (gimplify_cond_expr): Remove target handling.
12402 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12403 (gimplify_expr): Clobber it here.
12404 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12405 Do return slot optimization if we have an INIT_EXPR.
12408 * tree-inline.c (declare_return_variable): Also clear
12409 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12412 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12414 PR middle-end/22439
12415 * gimplify.c (gimplify_one_sizepos): Fix typo.
12417 2006-02-08 Jeff Law <law@redhat.com>
12419 PR tree-optimization/21417
12420 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12421 across a backedge if the control statement at the end of the
12422 block is data dependent on other statements in the same block.
12423 (record_temporary_equivalences_from_stmts): Remove over-conservative
12424 test for threading across backedges.
12426 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12427 control statement, handle all three special cases in the same
12428 manner as they all have the same desired solution. No longer
12429 special case edge flag updating when the post dominator is
12432 2006-02-08 Roger Sayle <roger@eyesopen.com>
12434 * tree.def (CHAR_TYPE): Remove.
12435 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12436 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12437 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12438 (gen_string_type_die): Delete unreachable function.
12440 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12441 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12442 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12443 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12444 * builtins.c (type_to_class): Likewise.
12445 * fold-const.c (fold_convert, build_range_check,
12446 merge_ranges): Likewise.
12447 * expr.c (count_type_elements): Likewise.
12448 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12449 * stor-layout.c (layout_type): Likewise.
12450 * ipa-type-escape.c (type_to_consider): Likewise.
12451 * gimplify.c (omp_firstprivatize_type_sizes,
12452 gimplify_type_sizes): Likewise.
12453 * explow.c (promote_mode): Likewise.
12454 * tree-sra.c (is_sra_scalar_type): Likewise.
12455 * varasm.c (output_constant): Likewise.
12456 * tree-inline.c (remap_type_1): Likewise.
12457 * convert.c (convert_to_pointer, convert_to_real,
12458 convert_to_integer, convert_to_complex): Likewise.
12460 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12462 * df-scan.c (df_def_record_1): A set destination may
12463 be a parallel regardless of mode.
12465 2006-02-08 Roger Sayle <roger@eyesopen.com>
12468 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12469 * config/mips/_tilib.c: Remove.
12470 * config/fixtfdi.c: New libgcc source file.
12471 * config/fixunstfdi.c: New source file.
12472 * config/floatditf.c: New source file.
12473 * config/floatunditf.c: New souce file.
12474 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12475 files above instead of config/mips/_tilib.c.
12476 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12478 2006-02-08 Jeff Law <law@redhat.com>
12480 PR tree-optimization/26169
12481 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12484 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12486 * df.h (DF_REG_SIZE): Return the length of the initialized
12489 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12491 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12492 __muldf3): Return a correctly signed zero.
12494 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12496 * passes.c (register_one_dump_file): Accept the current properties
12497 instead of pass number. Adjust call to dump_register. Remove
12499 (register_dump_files): Now a wrapper around...
12500 (register_dump_files_1): ... this one. Do not modify the pass
12502 (next_pass_1): Cosmetic fix.
12503 (execute_todo): Keep second parameter only. Use curr_properties
12504 instead of fetching it from the pass structure. Check and set
12506 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12507 instead of fetching it from the pass structure. Fix calls to
12508 execute_todo. Update curr_properties and initialize .vcg RTL dump
12509 after running the pass. Reset last_verified.
12510 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12512 (FIRST_AUTO_NUMBERED_DUMP): New.
12513 (dump_register): Remove "num" parameter, assign it within the
12515 (get_dump_file_name): Modify template for dumps.
12516 * tree-dump.h (dump_register): Adjust prototype.
12517 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12518 (PROP_trees): Add PROP_gimple_lomp.
12519 (TODO_set_props): New.
12520 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12521 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12522 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12524 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12526 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12527 (sparc64-*-linux*): Likewise.
12528 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12529 * config/sparc/t-linux: New file.
12530 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12531 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12532 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12533 -m32 -mlong-double-128.
12535 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12536 * config/alpha/t-linux: New file.
12537 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12539 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12540 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12541 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12542 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12543 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12544 (CPP_ARCH32_SPEC): Remove.
12546 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12548 PR tree-optimization/26145
12549 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12552 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12555 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12556 >= 240000 when generating code for SOM runtime.
12557 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12558 to $$dyncall when generating code for SOM runtime..
12560 2006-02-07 Dirk Mueller <dmueller@suse.com>
12563 * doc/invoke.texi (-Wsequence-point): Update documentation
12564 that -Wsequence-point is implemented for C++ as well.
12566 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12568 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12569 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12570 (LIB_SPEC): Likewise.
12571 * doc/invoke.texi (SPARC options): Document -pthread.
12573 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12575 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12578 2006-02-07 Roger Sayle <roger@eyesopen.com>
12580 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12581 Correct comment describing BOOLEAN_TYPE.
12583 2006-02-07 Dirk Mueller <dmueller@suse.com>
12585 * c.opt: C++ frontend supports -Wdiv-by-zero.
12586 * c-opts.c (c_common_handle_option): Remove dead case.
12588 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12590 * configure.ac (TLS assembler check): Do not enable TLS by
12591 default on SPARC/Solaris before version 10.
12592 * configure: Regenerate.
12594 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12596 * doc/invoke.texi (xl-compat): Document conversion and support
12599 2006-02-07 Jeff Law <law@redhat.com>
12601 * tree-vrp.c (find_conditional_asserts): Update comments.
12602 (simplify_stmt_for_jump_threading): New.
12603 (identify_jump_threads, finalize_jump_threads): New.
12604 (vrp_finalize): Call identify_jump_threads.
12605 (execute_vrp): Call finalize_jump_threads.
12606 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12607 (vrp_element, vrp_data, vrp_element_p): Remove.
12608 (vrp_hash_elt, vrp_variables_stack): Remove.
12609 (vrp_hash, vrp_eq, record_range): Remove.
12610 (simplify_cond_and_lookup_avail_expr): Remove.
12611 (extract_range_from_cond): Remove.
12612 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12613 (simplify_stmt_for_jump_threading): New.
12614 (dom_thread_across_edge): New wrapper.
12615 (tree_ssa_dominator_optimize): No longer initialize or
12616 finalize any of the VRP datastructures. Remove iteration
12617 step and simplify as a result of removal of iteration step.
12618 (pass_dominator): Perform a cfg cleanup after DOM.
12619 (dom_opt_finalize_block): Use the new common routines
12620 for threading jumps. Simplify stack management slightly.
12621 No longer need to unwind VRP state.
12622 (record_equivalences_from_incoming_edge): No longer record
12624 (eliminate_redundant_computations): No longer call
12625 simplify_cond_and_lookup_avail_expr.
12626 * tree-flow.h (potentially_threadable_block): Prototype.
12627 (thread_across_edge): Likewise.
12628 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12629 (tree-ssa-threadedge.o): Add dependencies.
12630 * tree-ssa-threadedge.c: New file.
12631 * passes.c (init_optimization_passes): Merge PHIs before
12632 calling VRP. Run VRP again late in the SSA optimization pipeline.
12634 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12636 * df-core.c (df_set_blocks): Do not dereference function pointers.
12637 (df_finish1): Likewise.
12638 (df_hybrid_search_forward): Likewise.
12639 (df_hybrid_search_backward): Likewise.
12640 (df_iterative_dataflow): Likewise.
12641 (df_analyze_problem): Likewise.
12642 (df_compact_blocks): Likewise.
12643 (df_dump): Likewise.
12644 * df-scan.c (df_rescan_blocks): Likewise.
12645 (df_record_entry_block_defs): Likewise.
12647 * genconditions.c (write_conditions): Guard the definition of
12648 'insn_conditions' with the check on GCC version.
12649 (write_writer): Guard the traversal 'insn_conditions' with
12650 the check on GCC version.
12652 2006-02-07 Richard Guenther <rguenther@suse.de>
12656 2006-01-30 Richard Guenther <rguenther@suse.de>
12658 * gimplify.c (gimplify_target_expr): Handle easy cases
12659 without creating a temporary.
12661 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12663 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12664 use of float in probability computations. Use edge probabilities
12665 in place of statically computed probabilities.
12666 (min_spec_prob): New static variable.
12667 (schedule_insns): Initialize it.
12668 (GET_SRC_PROB): Removed.
12669 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12671 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12674 * config/ia64/unwind-ia64.c: Revert last change.
12675 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12676 (INCOMING_FRAME_SP_OFFSET): Define.
12678 2006-02-06 Roger Sayle <roger@eyesopen.com>
12680 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12682 2006-02-07 Ben Elliston <bje@au.ibm.com>
12684 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12685 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12686 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12687 (ix86_return_in_memory): Handle TDmode.
12688 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12689 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12691 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12693 * reorg.c (dbr_schedule): Use dump_file instead of file.
12695 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12698 * config/ia64/predicates.md (extr_len_operand): New predicate.
12699 * config/ia64/ia64.md (extv): Tighten constraints.
12701 (*tbit_and_2): Ditto.
12702 (*tbit_and_3): Ditto.
12703 (*tbit_or_2): Ditto.
12704 (*tbit_or_3): Ditto.
12705 (*bit_zero): Ditto.
12708 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12711 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12713 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12715 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12716 loop_optimizer_init and loop_optimizer_finalize
12717 * tree-ssa-sink.c (execute_sink_code): Ditto.
12718 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12719 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12720 tree_ssa_loop_done): Ditto.
12721 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12722 * sched-ebb.c: Include output.h.
12723 (schedule_ebbs): Do not use dump argument.
12724 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12725 * loop.c (loop_dump_stream): Removed.
12726 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12728 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12729 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12730 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12731 loop_iterations, strength_reduce, record_biv, record_giv,
12732 final_giv_value, check_final_value, check_ext_dependent_givs,
12733 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12734 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12735 dump_file instead of loop_dump_stream.
12736 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12737 argument dump_file.
12738 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12740 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12741 * haifa-sched.c: Include output.h
12742 (schedule_insns, sched_init): Do not use dump argument.
12743 * mode-switching.c (optimize_mode_switching): Ditto.
12744 * modulo-sched.c (stats_file): Removed.
12745 (print_node_sched_params): Do not call argument dump_file.
12746 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12747 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12749 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12751 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12752 rtl_loop_init, rtl_loop_done): Ditto.
12753 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12754 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12756 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12757 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12758 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12759 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12760 * emit-rtl.c (renumber_insns): Ditto.
12761 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12762 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12763 * regclass.c (regclass): Ditto.
12764 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12765 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12766 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12767 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12769 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12770 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12772 * gcse.c (gcse_file, debug_stderr): Removed.
12773 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12774 rest_of_handle_gcse): Do not use dump argument.
12775 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12776 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12777 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12778 compute_code_hoist_vbeinout, compute_code_hoist_data,
12779 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12780 compute_store_table, build_store_vectors, insert_insn_start_bb,
12781 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12782 store_motion): Use dump_file instead of gcse_file.
12783 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12784 * profile.c (profile_dump_file): Removed.
12785 (branch_prob): Use dump_file instead of profile_dump_file.
12786 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12788 * tree-ssa-copy.c (dump_copy_of): Ditto.
12789 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12790 dump file to life_analysis.
12791 * bt-load.c (branch_target_load_optimize): Ditto.
12792 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12794 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12795 regclass, dbr_schedule): Declaration changed.
12796 * sched-int.h (sched_init): Declaration changed.
12797 * tree-profile.c (tree_profile_dump_file): Removed.
12798 (tree_profile_hooks): Removed profile_dump_file hook.
12799 * rtl-profile (rtl_profile_dump_file): Removed.
12800 (rtl_profile_hooks): emoved profile_dump_file hook.
12801 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12803 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12804 * tree-cfg.c (build_tree_cfg): Ditto.
12805 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12806 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12807 Declaration changed.
12808 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12809 life_analysis and schedule_insns.
12810 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12812 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12814 * config/mips/mips.c (mips_reorg): Ditto.
12815 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12818 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12820 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12821 (s390_mangle_fundamental_type): New.
12822 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12825 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12826 (alpha_mangle_fundamental_type): New.
12827 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12830 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12832 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12834 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12835 (sparc_mangle_fundamental_type): New.
12837 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12839 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12840 (s390x-*-linux*): Likewise.
12841 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12842 * config/s390/t-linux: New file.
12844 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12846 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12847 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12849 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12851 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12852 (ANTIC_SAFE_LOADS): New macro.
12853 (find_or_generate_expression): Add prototype.
12854 (set_contains_value): Allow null set for sake of not always having
12855 to allocate ANTIC_SAFE_LOADS.
12856 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12857 Allow COMPONENT_REF too.
12858 (valid_in_set): Allow COMPONENT_REF.
12859 Check ANTIC_SAFE_LOADS too.
12860 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12861 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12863 (can_PRE_operation): Add COMPONENT_REF.
12864 (create_component_ref_by_pieces): New function.
12865 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12866 (insert_aux): Move AGGREGATE_TYPE_P check here.
12867 (compute_avail): Set bb local stmt uids.
12868 (pass_pre): Use TODO_update_ssa_only_virtuals.
12870 2006-02-06 Ben Elliston <bje@au.ibm.com>
12872 * configure.ac: Unconditionally disable decimal float by default.
12873 * configure: Regenerate.
12875 2006-02-06 Ben Elliston <bje@au.ibm.com>
12877 * read-rtl.c (read_name): Terminate reading on EOF.
12879 2006-02-06 Ben Elliston <bje@au.ibm.com>
12881 * dfp.c (decimal_real_arithmetic): Change second argument type
12882 from int to enum tree_code. Do not always return true, but now
12883 return result of any call to decimal_do helper functions.
12884 * dfp.h (decimal_real_arithmetic): Update prototype.
12886 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12888 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12890 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12893 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12896 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12898 * tree-vrp.c (cfg_loops): Removed.
12899 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12900 Use current_loops instead of cfg_loops. Pass flags to
12901 loop_optimizer_init.
12902 * cfgloopmanip.c (fix_loop_structure): Update only available
12904 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12905 loop_optimizer_init.
12906 * modulo-sched.c (build_loops_structure): Removed.
12907 (sms_schedule): Use loop_optimizer_init.
12908 * loop-init.c (loop_optimizer_init): Use flags to determine
12909 which properties of loops to prepare.
12910 (rtl_loop_init): Pass flags to loop_optimizer_init.
12911 * tree-ssa-sink.c (execute_sink_code): Ditto.
12912 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12913 * tree-ssa-pre.c (init_pre): Ditto.
12914 * cfgloop.h (LOOPS_NORMAL): New.
12915 (loop_optimizer_init): Declaration changed.
12917 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12919 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12920 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12922 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12924 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12926 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12927 * pa/t-pa64: Delete quadlib.c rule.
12928 * pa/x-ada: Revert last change.
12929 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12931 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12933 PR rtl-optimization/26087
12934 * rtlanal.c (canonicalize_condition): Do not cross basic block
12937 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12940 * config/ia64/ia64.c: Include debug.h.
12941 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12942 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12943 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12944 (process_epilogue, process_set, process_for_unwind_directive):
12945 Output unwind info only if requested. Add CFA info if requested.
12946 Add new arguments as needed. Adjust callers.
12947 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12949 (DWARF2_FRAME_INFO): Define to zero.
12950 * config/ia64/unwind-ia64.c: Remove code that compensated for
12951 the CFA offset error fixed above.
12952 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12953 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12954 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12955 -funwind-tables and -fexceptions to enable frame info.
12956 (dwarf2out_frame_init): Define initial CFA even if
12957 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12958 DWARF2_UNWIND_INFO is nonzero, not just defined.
12959 (dwarf2out_frame_finish): Output non-EH call frame info only
12960 if DWARF2_FRAME_INFO is nonzero.
12961 (convert_cfa_to_loc_list,
12962 compute_frame_pointer_to_cfa_displacement): Define even if
12963 unwind info is not supported.
12964 (gen_subprogram_die): Use the above unconditionally. Remove
12965 legacy alternate code.
12966 * toplev.c (compile_file): Compile in call to
12967 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12968 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12970 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12971 Jakub Jelinek <jakub@redhat.com>
12973 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12974 IBM extended float format long double as "g" on powerpc*-linux.
12976 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12979 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12980 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12982 2006-02-03 Jason Merrill <jason@redhat.com>
12985 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12987 PR middle-end/25977
12988 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12989 on the return slot if it's an NRV.
12991 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12993 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12994 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12995 rewrite_use): Do not handle USE_OUTER.
12996 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12997 add_iv_outer_candidates, may_replace_final_value,
12998 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12999 (find_interesting_uses_op): Functionality of
13000 find_interesting_uses_outer_or_nonlin moved here.
13001 (find_interesting_uses_outside): Use find_interesting_uses_op.
13003 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13006 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13008 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13009 Ulrich Weigand <uweigand@de.ibm.com>
13012 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13013 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13014 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13015 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13017 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13018 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13019 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13020 Define secondary reloads for TFmode moves.
13021 (constant_modes): Add TFmode.
13022 (NR_C_MODES): Set to 8.
13023 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13025 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13026 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13027 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13028 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13029 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13030 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13031 (FPR mode macro): Add TFmode.
13032 (DSF mode macro): New.
13033 (<de>, <dee> mode attributes): Removed.
13034 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13035 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13036 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13037 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13038 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13039 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13040 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13041 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13042 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13043 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13044 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13045 "*negabs<mode>2", "sqrt<mode>2"):
13046 Changed <de> to <xde>. R constraint replaced by <Rf>.
13047 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13049 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13050 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13051 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13053 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13054 "extenddftf2", "extendsftf2"): New expanders.
13055 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13056 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13057 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13058 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13060 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13061 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13062 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13063 __floatditf): Add a GCC_4.1.0 symbol version tag.
13064 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13067 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13070 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13071 Use targetm.binds_local_p instead of TREE_PUBLIC.
13073 2006-02-02 Roger Sayle <roger@eyesopen.com>
13075 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13076 on INTEGER_TYPEs to indicate that it denotes a character type.
13077 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13078 signed_char_type_node, unsigned_char_type_node and char_type_node.
13079 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13080 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13081 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13083 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13084 Daniel Berlin <dberlin@dberlin.org>
13086 * tree-tailcall.c (arg_needs_copy_p): New function.
13087 (eliminate_tail_call): Use arg_needs_copy_p.
13088 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13089 (add_virtual_phis): New function.
13091 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13093 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13094 #ignore instead of #scratch for %g7 .register directive.
13096 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13098 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13101 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13103 * flow.c (calculate_global_regs_live): Assert that there aren't any
13106 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13108 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13109 what its name says.
13110 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13111 bsi_after_labels iterator.
13112 * tree-if-conv.c (find_phi_replacement_condition,
13113 replace_phi_with_cond_modify_expr): Likewise.
13114 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13115 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13117 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13119 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13121 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13124 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13125 array after growing it.
13127 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13129 PR middle-end/24901
13130 * fold-const.c (fold_checksum_tree): Change type of buf.
13132 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13134 * reload.c (push_secondary_reload): Initialize t_icode.
13136 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13138 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13139 -msoft-float -mlong-double-128 only issue a warning, but don't
13140 swich to DFmode long double.
13142 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13144 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13145 has a constant equivalent, iterate over equivalents for arg0,
13146 calling simplify_relational_operation and if there's a result
13147 cheaper than X, apply fold_rtx and return the result.
13149 2006-02-01 Jan Hubicka <jh@suse.cz>
13151 * opts.c (no_unit_at_a_time_default): New global variable.
13152 (decode_options): Use it.
13153 * opts.h (no_unit_at_a_time_default): Declare.
13155 2006-02-01 Paul Brook <paul@codesourcery.com>
13157 * function.c (assign_parm_setup_reg): Use function argument promotion
13159 * expr.c (expand_expr_real_1): Use function argument promotion rules
13162 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13164 * gcc.c (process_command): Change j to 'unsigned int'.
13166 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13168 PR middle-end/26001
13169 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13170 Use the corrected index for the character
13171 out of the string constant.
13173 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13175 * mode-switching.c (optimize_mode_switching): Fix size
13176 allocated for bb_info[n_entities].
13178 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13180 * gcc.c (main): Correct type that is allocated for
13181 explicit_link_files.
13183 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13185 * config/s390/s390.c (init_alignment_context): Set
13186 ALIAS_SET_MEMORY_BARRIER on the MEM.
13187 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13189 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13191 PR middle-end/25933
13192 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13194 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13197 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13199 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13200 * regrename.c: Ditto.
13201 * tree-ssa-loop-im.c: Ditto.
13202 * tree-dump.c: Ditto.
13203 * tree-complex.c: Ditto.
13204 * genrecog.c: Ditto.
13205 * tree-ssa-threadupdate.c: Ditto.
13207 * java/class.c: Ditto.
13208 * java/jcf-parse.c: Ditto.
13209 * java/resource.c: Ditto.
13210 * java/except.c: Ditto.
13211 * java/jvspec.c: Ditto.
13212 * java/jcf-write.c: Ditto.
13213 * java/jcf-path.c: Ditto.
13214 * java/gjavah.c: Ditto.
13215 * java/zextract.c: Ditto.
13216 * java/jcf-io.c: Ditto.
13217 * java/jcf.h: Ditto.
13218 * java/buffer.c: Ditto.
13219 * java/lang.c: Ditto.
13220 * java/parse-scan.y: Ditto.
13221 * java/lex.c: Ditto.
13222 * java/lex.h: Ditto.
13223 * cfgloopmanip.c: Ditto.
13224 * postreload-gcse.c: Ditto.
13225 * tree-ssa-loop-manip.c: Ditto.
13226 * postreload.c: Ditto.
13227 * tree-ssa-loop-ch.c: Ditto.
13230 * cppspec.c: Ditto.
13231 * diagnostic.c: Ditto.
13233 * genoutput.c: Ditto.
13235 * cfghooks.c: Ditto.
13236 * cfgloopanal.c: Ditto.
13237 * objc/objc-act.c: Ditto.
13239 * genextract.c: Ditto.
13240 * genautomata.c: Ditto.
13241 * pretty-print.c: Ditto.
13242 * genemit.c: Ditto.
13243 * cgraphunit.c: Ditto.
13245 * df-scan.c: Ditto.
13246 * haifa-sched.c: Ditto.
13247 * dominance.c: Ditto.
13249 * tree-ssa-loop-ivopts.c: Ditto.
13250 * df-core.c: Ditto.
13251 * mode-switching.c: Ditto.
13252 * modulo-sched.c: Ditto.
13254 * ipa-pure-const.c: Ditto.
13256 * fix-header.c: Ditto.
13258 * tree-stdarg.c: Ditto.
13259 * ipa-utils.c: Ditto.
13260 * loop-init.c: Ditto.
13261 * ipa-inline.c: Ditto.
13262 * cfganal.c: Ditto.
13264 * alloc-pool.c: Ditto.
13265 * dwarf2out.c: Ditto.
13267 * genattrtab.c: Ditto.
13268 * tree-ssa-loop-ivcanon.c: Ditto.
13269 * predict.c: Ditto.
13270 * timevar.c: Ditto.
13272 * fortran/gfortranspec.c: Ditto.
13273 * regmove.c: Ditto.
13274 * local-alloc.c: Ditto.
13275 * langhooks.c: Ditto.
13276 * function.c: Ditto.
13277 * tree-vectorizer.c: Ditto.
13279 * ipa-type-escape.c: Ditto.
13281 * tree-if-conv.c: Ditto.
13282 * profile.c: Ditto.
13284 * tree-data-ref.c: Ditto.
13285 * loop-unroll.c: Ditto.
13286 * treelang/treetree.c: Ditto.
13288 * bt-load.c: Ditto.
13289 * ggc-common.c: Ditto.
13291 * coverage.c: Ditto.
13293 * tree-cfgcleanup.c: Ditto.
13294 * tree-ssa-pre.c: Ditto.
13295 * cfgcleanup.c: Ditto.
13296 * loop-invariant.c: Ditto.
13297 * loop-iv.c: Ditto.
13298 * ipa-prop.c: Ditto.
13299 * print-tree.c: Ditto.
13300 * conflict.c: Ditto.
13301 * ggc-page.c: Ditto.
13302 * sched-deps.c: Ditto.
13303 * regclass.c: Ditto.
13304 * tree-object-size.c: Ditto.
13305 * combine.c: Ditto.
13306 * bb-reorder.c: Ditto.
13307 * resource.c: Ditto.
13308 * var-tracking.c: Ditto.
13309 * cfgloop.c: Ditto.
13310 * df-problems.c: Ditto.
13311 * reg-stack.c: Ditto.
13313 * gccspec.c: Ditto.
13314 * sched-rgn.c: Ditto.
13315 * tree-ssa-structalias.c: Ditto.
13316 * tree-ssa-reassoc.c: Ditto.
13317 * config/darwin-c.c: Ditto.
13318 * config/darwin.c: Ditto.
13319 * config/arm/arm.c: Ditto.
13321 * collect2.c: Ditto.
13322 * reload1.c: Ditto.
13324 2006-01-31 Nicolas Pitre <nico@cam.org>
13326 * arm.md (smaxsi3): Make aware of smax_m1.
13329 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13331 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13333 2006-01-31 Richard Guenther <rguenther@suse.de>
13335 * doc/invoke.texi (-msselibm): Document.
13336 * target.h (expand_library_builtin): New target hook.
13337 * builtins.c (expand_builtin): Use expand_library_builtin.
13338 (default_expand_library_builtin): New function.
13339 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13340 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13341 (link_gcc_math_spec): Declare.
13342 (static_specs): Add link_gcc_math_spec.
13343 * expr.h (default_expand_library_builtin): Declare.
13344 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13345 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13346 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13347 * config/i386/i386.opt (msselibm): New target option.
13348 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13349 (ix86_init_sse_abi_builtins): New function.
13350 (ix86_expand_library_builtin): Likewise.
13351 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13352 (override_options): Handle error conditions wrt -msselibm.
13353 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13354 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13355 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13358 2006-01-31 Richard Guenther <rguenther@suse.de>
13359 Paolo Bonzini <bonzini@gnu.org>
13361 * doc/install.texi (--disable-libgcc-math): Document.
13363 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13365 * expr.h (expand_normal): new inline function.
13366 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13367 * dojump.c: use it.
13368 * dwarf2out.c: use it.
13371 * expmed.c: use it.
13372 * except.c: use it.
13373 * config/sparc/sparc.c: use it.
13374 * config/i386/i386.c: use it.
13375 * config/rs6000/rs6000.c: use it.
13376 * config/arm/arm.c: use it.
13377 * config/mips/mips.c: use it.
13378 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13380 2006-01-30 Roger Sayle <roger@eyesopen.com>
13382 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13383 argv to the appropriate type.
13385 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13387 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13390 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13393 * config/s390/s390.c (struct machine_function): New flag
13394 decomposed_literal_pool_addresses_ok_p.
13395 (s390_reorg): Set it before final stage of literal pool transforms.
13396 (s390_decompose_address): Only accept displacements of the form
13397 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13399 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13401 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13402 the comparison routine return.
13404 2006-01-30 Michael Matz <matz@suse.de>
13406 * global.c (find_reg): Only evict for global regs.
13407 Take n_refs into account and dump more info.
13409 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13412 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13413 (pragma_trap, pragma_nosave_low_regs): Likewise.
13414 (current_function_anonymous_args): Likewise.
13415 (sh_deferred_function_attributes): New variable.
13416 (sh_deferred_function_attributes_tail): Likewise.
13417 (print_operand): For '@', look up trap_exit attribute.
13418 (calc_live_regs): Look up trapa_handler attribute. For trapa
13419 handlers, save/restore fpscr, but don't do any other
13420 interrupt-specific saves.
13421 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13422 Fix check for partially saved registers to check for SHmedia.
13423 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13424 (sh_output_function_epilogue): Don't clear any of the removed
13426 (sh_insert_attributes): Don't check pragma_interrupt.
13427 Insert deferred attributes. Check that interrupt attribute is
13428 present for other attributes that require its presence.
13429 (sh_attribute_table): Add new attributes trapa_handler and
13431 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13432 Don't check for pragma_interrupt. Don't store argument.
13433 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13434 (sh_deferred_function_attributes): Declare.
13435 (sh_deferred_function_attributes_tail): Likewise.
13436 * sh.md (sp_switch_1): Add operand. Change generator caller.
13437 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13438 (*return_i): Don't use when trap_exit attribute is in effect.
13439 (*return_trapa): New insn pattern.
13440 * sh-c.c: New file.
13441 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13442 setting c_target_objs and cxx_target_objs.
13443 * t-sh: Add rule for sh-c.o.
13445 2006-01-30 Richard Guenther <rguenther@suse.de>
13448 * gimplify.c (gimplify_target_expr): Handle easy cases
13449 without creating a temporary.
13451 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13453 * vec.h (safe_grow): Remove duplicated line.
13455 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13458 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13459 (expand_omp): ... here.
13460 (expand_omp_parallel): Only remove barriers for combined
13461 parallel+workshare constructs.
13463 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13467 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13468 * tree.c (build_qualified_type): Chain the new type to the original
13469 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13470 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13471 (build_pointer_type_for_mode): Only return unqualified types.
13472 (build_reference_type_for_mode): Likewise.
13474 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13476 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13477 * Makefile.in (CXX_COMPAT_WARN): Define.
13478 * configure: Regenerate.
13480 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13483 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13486 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13488 * toplev.c: Fix thinko.
13490 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13491 Marcin Dalecki <martin@dalecki.de>
13493 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13494 (push_srcloc): Use XNEW.
13495 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13497 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13499 * df-core.c (df_set_blocks): Deleted all variable.
13501 2006-01-28 Ian Lance Taylor <ian@airs.com>
13503 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13504 cgraph_output_pending_asms.
13506 2006-01-28 Zack Weinberg <zackw@panix.com>
13508 * c.opt: Add -W(no-)overlength-strings.
13509 * doc/invoke.texi: Document it.
13510 * c-opts.c (c_common_handle_option): -pedantic implies
13511 -Woverlength-strings, if not explicitly disabled already.
13512 (c_common_post_options): -Woverlength-strings defaults to off, and
13513 is always off for C++.
13514 * c-common.c (fix_string_type): Issue warning about strings longer
13515 than is portable only if warn_overlength_strings. Rearrange code
13516 a little for clarity.
13517 * configure.in: Check for -Wno-overlength-strings as well before
13518 enabling -pedantic in stage 1.
13519 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13520 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13522 * genconditions.c (write_header, write_one_condition)
13523 (write_conditions, write_writer): Consolidate very long strings
13524 that were broken up to fit in C89 portable limit. Don't use
13525 printf when fputs will do.
13527 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13529 * combine.c (simplify_comparison <AND>): Check
13530 TRULY_NOOP_TRUNCATION before start using a subreg.
13532 * config/mips/mips.md (*branch_zero<mode>,
13533 *branch_zero<mode>_inverted, *branch_equality<mode>,
13534 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13535 Remove mode check from comparisons.
13537 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13539 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13541 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13543 * expmed.c (const_mult_add_overflow_p): Remove.
13544 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13546 * recog.c (validate_replace_rtx_subexp): Remove.
13547 * recog.h: Remove the prototype for
13548 validate_replace_rtx_subexp.
13550 * integrate.h: Remove the prototype for
13551 copy_decl_for_inlining.
13552 * rtl.h: Remove the prototype for mark_constant_function.
13553 * tree-vectorizer.h: Remove the prototype for
13554 vect_strip_conversion.
13556 * modulo-sched.c (create_partial_schedule,
13557 free_partial_schedule, reset_partial_schedule): Make them
13560 * hooks.c (hook_bool_rtx_int_false): Remove.
13561 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13563 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13565 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13566 and -mlong-double-128 are incompatible.
13567 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13568 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13569 (TARGET_LIBGCC2_CFLAGS): Define.
13570 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13571 (TARGET_LIBGCC2_CFLAGS): Same.
13572 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13574 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13577 * c-typeck.c (build_binary_op): Perform implicit casts of
13578 operands before shortening them.
13580 * cfgloopmanip.c (split_loop_bb): Remove.
13581 * cfgloop.h: Remove the prototype for split_loop_bb.
13583 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13584 * cfgloop.h: Remove the prototype for
13585 flow_loop_outside_edge_p.
13587 * emit-rtl.c (init_virtual_regs): Make it static.
13588 * function.h: Remove the prototype for init_virtual_regs.
13590 * recog.c (peephole2_optimize): Make it static.
13591 * recog.h: Remove the prototype for peephole2_optimize.
13593 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13595 * df-scan.c (df_record_entry_block_defs): Check if
13596 INCOMING_RETURN_ADDR_RTX is defined.
13598 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13599 Kenneth Zadeck <zadeck@naturalbridge.com>
13601 PR rtl-optimization/24762
13602 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13603 * targhooks.c (hook_void_bitmap): New hook prototype.
13604 * targhoohs.h (hook_void_bitmap): Ditto.
13605 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13606 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13607 * target.h (live_on_entry): New function pointer.
13608 * df-scan.c (df_all_hard_regs): Removed.
13609 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13610 (df_scan_free_internal): Added df->entry_block_defs.
13611 (df_scan_alloc): Ditto.
13612 (df_scan_dump): Ditto.
13613 (df_uses_record): Plumbed flag field properly thru calls.
13614 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13615 This part fixes PR24762.
13616 (df_bb_refs_record): Added code to make the frame and arg
13617 pointers live in EH blocks.
13618 (df_refs_record): Added call to df_record_entry_block_defs.
13619 (df_record_entry_block_defs): New function.
13620 * df-core.c: Added comments to describe new artifical defs.
13621 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13622 (entry_block_defs): New field in struct df.
13623 (df_all_hard_regs): Deleted.
13624 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13625 * df-problems.c (df_ru_bb_local_compute_process_def):
13626 Added code to handle artifical defs in the entry to a function.
13627 (df_ru_bb_local_compute): Ditto.
13628 (df_rd_bb_local_compute_process_def): Ditto.
13629 (df_rd_bb_local_compute): Ditto.
13630 (df_lr_bb_local_compute): Ditto.
13631 (df_ur_bb_local_compute): Ditto.
13632 (df_urec_bb_local_compute): Ditto.
13633 (df_chain_create_bb): Ditto.
13634 (df_ur_local_finalize): Removed entry.
13635 (df_urec_init): Ditto.
13636 (df_urec_local_finalize): Ditto.
13637 (df_ri_bb_compute): Added detection of last use of pseudos.
13638 * Makefile.in (df-scan.o): Updated dependencies.
13639 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13640 * config/mips/mips.c (mips_set_live_on_entry): Added.
13641 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13643 * dce.c (marked_insn_p): Added code to handle artifical defs.
13645 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13647 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13649 (_mm_cvtsi128_si64): Likewise.
13650 (_mm_cvtsd_si64): Likewise.
13651 (_mm_cvttsd_si64): Likewise.
13652 (_mm_cvtsi64_sd): Likewise.
13653 (_mm_cvtsi64_si128): Likewise.
13654 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13655 (_mm_cvtsi64_m64): Likewise.
13656 (_m_to_int64): Likewise.
13657 (_mm_cvtm64_si64): Likewise.
13658 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13659 (_mm_cvttss_si64): Likewise.
13660 (_mm_cvtsi64_ss): Likewise.
13661 (_mm_cvtss_f32): Likewise.
13663 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13665 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13666 for pragma redefine_extname.
13668 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13671 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13672 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13673 -mno-minimal-toc to previous content.
13674 (bispecs): Remove goal.
13675 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13676 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13677 compatibility aliases on powerpc-*-*gnu*.
13678 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13679 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13680 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13681 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13682 (ldblspecs): New goal.
13683 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13684 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13686 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13687 L_sf_to_tf or L_df_to_tf is defined.
13689 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13690 Alan Modra <amodra@bigpond.net.au>
13693 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13694 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13695 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13696 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13697 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13698 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13699 (rs6000_override_options): Initialize rs6000_ieeequad.
13700 Initialize TFmode format to ibm_extended_format if not
13702 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13704 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13705 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13706 (function_arg_advance): IBM long double passed in two FPRs, not
13708 (function_arg): IBM long double passed in FPRs.
13709 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13710 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13711 Only multireg GPR aligned.
13712 (rs6000_init_libfuncs): Enable IBM long double functions if not
13714 (rs6000_generate_compare): Use IBM long double compare if not
13716 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13717 (TARGET_IEEEQUAD): Define.
13718 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13719 not TARGET_IEEEQUAD.
13720 * config/rs6000/rs6000.md: Enable TFmode patterns if
13722 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13723 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13724 and -mlong-double-128 are incompatible.
13725 * doc/invoke.texi (-mabi): Collect options together. Add
13726 ibmlongdouble and ieeelongdouble.
13728 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13730 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13732 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13733 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13734 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13735 * rtl.h (rtunion_def): Remove rt_ptr.
13737 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13738 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13739 * config/i386/winnt.c (i386_pe_mark_dllexport)
13740 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13742 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13744 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13746 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13750 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13751 pthread_key_delete. From John David Anglin. gthrw-ify
13752 pthread_getunique_np only if it it's not a macro. Delete
13754 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13755 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13756 __gthread_objc_condition_signal, __gthread_key_delete): Add
13757 "__attribute__ ((__unused__))" to unused arguments.
13758 (__gthread_recursive_mutex_init_function): Add missing return.
13759 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13760 gthr-posix95.h: Use macro-based approach for name redirection
13761 on targets missing weakref.
13763 2006-01-26 Zack Weinberg <zackw@panix.com>
13765 * genconditions.c (write_header): In generated code, #ifdef out
13766 all includes and fake declarations, except includes of bconfig.h
13767 and system.h, unless GCC_VERSION >= 3001. Do not include
13768 gensupport.h in any case.
13769 (write_conditions): Generate a definition of struct c_test. Add
13770 a comment to the generated #endif.
13771 (write_one_condition): Escape backslashes in string too.
13772 (write_writer): Generated code must escape backslashes and quote
13773 marks (but not newlines) in the strings it writes.
13774 * Makefile.in (build/gencondmd.o): Update dependencies.
13776 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13779 * Makefile.in (insn-automata.o): Add header file dependencies.
13780 * genautomata.c: Add includes.
13782 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13785 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13787 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13789 * configure.ac: Expect target tools paths to be passed from the toplevel
13790 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13792 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13794 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13797 * c.opt (Wpointer-sign): Init to -1.
13798 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13799 OPT_pedantic, to 0 otherwise.
13800 * doc/invoke.texi: Update.
13802 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13804 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13805 constants provided by 80387 instructions in the destination mode.
13807 2006-01-26 Richard Guenther <rguenther@suse.de>
13808 Andrew Pinski <pinskia@physics.uc.edu>
13811 partial PR tree-opt/17064
13812 * tree-ssa-structalias.c (intra_create_variable_infos):
13813 Create heap variables for incoming parameters if
13814 flag_argument_noalias > 1.
13815 (find_what_p_points_to): Look through default defs of
13818 2006-01-26 Jeff Law <law@redhat.com>
13821 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13822 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13823 within the VR_RANGE, use the VR_RANGE as the result, not the
13825 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13826 bounds for the type.
13828 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13830 * tree-ssa-alias.c (maybe_create_global_var): Change
13831 subvar walking to an assertion that we don't have subvar'd variables.
13833 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13836 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13837 Use a new variable, inner. PARM_DECLs are always non-weak.
13839 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13841 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13842 --disable-checking.
13844 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13846 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13848 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13850 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13851 (smax_insn, smin_insn, smax_0, smin_0): New.
13853 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13856 * config/cris/cris.c (cris_order_for_addsi3): New function.
13857 * config/cris/cris-protos.h: Prototype it.
13858 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13859 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13860 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13861 (split for "op.S1 [rx=rx+i],ry (swapped)")
13862 (split for "op(s|u).S1 [rx=rx+i],ry")
13863 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13864 Apply cris_order_for_addsi3 when generating addsi3 insns.
13866 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13868 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13869 (TREE_BLOCK): Add call to EXPR_CHECK.
13871 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13874 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13875 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13876 (dump_omp_clauses): ... here.
13877 (dump_generic_node): Handle OMP_CLAUSE.
13878 * tree.c (omp_clause_num_ops): New.
13879 (omp_clause_code_name): New.
13880 (tree_code_size): Handle OMP_CLAUSE.
13881 (tree_size): Likewise.
13882 (make_node): Document handling of OMP_CLAUSE.
13883 (tree_node_structure): Handle OMP_CLAUSE.
13884 (omp_clause_check_failed): New.
13885 (omp_clause_range_check_failed): New.
13886 (omp_clause_operand_check_failed): New.
13887 (build_omp_clause): New.
13888 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13889 * tree.h (enum omp_clause_code): Declare.
13890 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13891 (OMP_CLAUSE_RANGE_CHECK): Define.
13892 (OMP_CLAUSE_ELT_CHECK): Define.
13893 (omp_clause_check_failed): Declare.
13894 (omp_clause_operand_check_failed): Declare.
13895 (omp_clause_range_check_failed): Declare.
13896 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13897 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13898 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13899 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13900 (OMP_CLAUSE_IF_EXPR): Likewise.
13901 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13902 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13903 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13904 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13905 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13906 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13907 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13908 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13909 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13910 (OMP_CLAUSE_CODE): Define.
13911 (OMP_CLAUSE_SET_CODE): Define.
13912 (OMP_CLAUSE_CODE): Define.
13913 (OMP_CLAUSE_OPERAND): Define.
13914 (struct tree_omp_clause): Declare.
13915 (union tree_node): Add field 'omp_clause'.
13916 * treestruct.def (TS_OMP_CLAUSE): Define.
13917 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13918 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13919 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13920 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13921 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13922 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13923 (OMP_CLAUSE): Define.
13924 * print-tree.c (print_node): Handle OMP_CLAUSE.
13925 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13926 * c-typeck.c: Likewise.
13927 * gimplify.c: Likewise.
13928 * c-omp.c: Likewise.
13929 * tree-nested.c: Likewise.
13930 * tree-inline.c: Likewise.
13931 * c-parser.c: Likewise.
13932 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13935 2006-01-25 Roger Sayle <roger@eyesopen.com>
13937 PR rtl-optimization/25703
13938 * combine.c (try_combine): Handle zero_extract and strict_low_part
13939 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13941 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13943 * global.c: Fix comment typos.
13945 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13948 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13949 Use output_addr_const instead of assemble_name.
13951 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13953 * Makefile.in (sched-vis.o): Update dependencies.
13954 * haifa-sched.c (sched_finish): Clear current_sched_info.
13955 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13956 (dump_flow_info): Call it.
13957 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13959 * basic-block.h (dump_bb_info): Declare.
13960 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13961 option, and apply options only for dump files whose TDF_RTL,
13962 TDF_TREE, or TDF_IPA bits match.
13963 * rtl.h: Declare new functions exported from sched-vis.c.
13964 * sched-vis.c: Enable also if scheduling is not used.
13965 (print_value): Print the mode of registers if not inside scheduling.
13966 (print_insn): Make it work outside the scheduler. Beautify the output
13968 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13970 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13972 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13973 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13974 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13975 depending on the value of CONSTANT_POOL_ADDRESS_P.
13976 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13978 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13979 rather than SYMBOL_REF_DECL.
13980 (rtx_constant_pool): Remove const_rtx_sym_htab.
13981 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13982 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13983 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13984 Remove handling of const_rtx_sym_htab.
13985 (find_pool_constant): Delete.
13986 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13987 rather than find_pool_constant.
13988 (get_pool_constant_for_function): Delete.
13989 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13990 find_pool_constant.
13991 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13992 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13993 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13994 (SYMBOL_REF_CONSTANT): New macro.
13995 (get_pool_constant_for_function): Delete.
13996 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13997 rather than SYMBOL_REF_DECL.
13998 (i386_pe_mark_dllimport): Likewise.
13999 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14000 rather than SYMBOL_REF_DECL.
14001 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14002 (machopic_indirect_call_target): Likewise.
14004 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14006 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14008 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14010 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14012 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14014 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14016 2006-01-24 David Daney <ddaney@avtrex.com>
14019 * configure.ac (enable_tls): New enable option.
14020 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14021 * configure: Regenerate.
14022 * doc/install.texi (--enable-tls): Document new option.
14023 (--disable-tls): Ditto.
14025 2006-01-24 Richard Henderson <rth@redehat.com>
14027 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14028 * alias.c (true_dependence): Respect it.
14029 (canon_true_dependence, write_dependence_p): Likewise.
14030 * builtins.c (get_builtin_sync_mem): Set it.
14032 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14034 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14037 2006-01-24 DJ Delorie <dj@redhat.com>
14039 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14040 for storing constants in single-bit bitfields.
14042 2006-01-25 Ben Elliston <bje@au.ibm.com>
14044 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14046 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14049 * tree-ssa-pre.c (phi_translate): Return NULL
14050 for AGGREGATE_TYPE's.
14052 2006-01-24 Zack Weinberg <zackw@panix.com>
14054 * genautomata.c (process_state_for_insn_equiv_partition):
14055 Use xcalloc for insn_arcs_array.
14056 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14057 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14059 2006-01-24 Richard Henderson <rth@redhat.com>
14061 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14062 update all callers.
14064 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14066 PR rtl-optimization/25890
14067 PR rtl-optimization/25905
14068 * combine.c (expand_compound_operation, expand_field_assignment):
14069 Fail if the bitfield's final position is out of bounds.
14071 2006-01-24 Ian Lance Taylor <ian@airs.com>
14073 PR middle-end/25930
14074 * cgraphunit.c (cgraph_output_in_order): Don't clear
14075 cgraph_asm_nodes until after asm strings have been output.
14077 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14079 * fix-header.c (read_scan_file): Add new parameter imultilib when
14080 calling register_include_chains.
14082 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14084 * omp-low.c: Update documentation.
14086 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14087 Daniel Berlin <dberlin@dberlin.org>
14091 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14092 return from the function.
14094 2006-01-22 Zack Weinberg <zackw@panix.com>
14096 * rtl.def (match_code): Add second argument.
14097 * genpreds.c (write_extract_subexp): New function.
14098 (write_match_code): Add path argument. Use write_extract_subexp.
14099 (write_predicate_expr): Pass path to write_match_code.
14100 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14101 not perform a mode test.
14102 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14103 a subexpression does not constrain the top-level code set.
14104 * read-rtl.c (read_rtx_variadic): New function.
14105 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14106 * doc/md.texi: Document new notation.
14107 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14108 (cmpsi_operand): ... here, using new notation.
14110 2006-01-22 Zack Weinberg <zackw@panix.com>
14112 * varray.c: Remove GENERATOR_FILE #ifdefs.
14114 2006-01-22 Zack Weinberg <zackw@panix.com>
14116 * genautomata.c (output_reserved_units_table): Emit nothing if
14117 description->query_units_num is zero. Remove extra blank line.
14118 (output_cpu_unit_reservation_p): Short circuit
14119 if description->query_units_num is zero.
14121 2006-01-22 Zack Weinberg <zackw@panix.com>
14123 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14124 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14125 nor any of the random handful of variables that used to be necessary
14126 when this program was linked with rtlanal.o. Prune set of forward
14127 function declarations.
14128 (struct attr_desc): Remove static_p field.
14129 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14130 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14131 (attr_string): Do not read the character one past the length of
14133 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14134 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14135 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14136 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14137 (make_automaton_attrs): New.
14138 (main): Do not call into genautomata. Call local gen_bypass
14139 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14140 Remove special case for insn_alts.
14141 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14142 varray.h (leftover from previous change). Prune set of forward
14143 function declarations. Remove state_alts fields from all
14144 structures. Remove state_alts_table from struct automaton.
14145 Make everything except main static. Do not maintain num_dfa_decls.
14146 Do not maintain state_alts fields of various structures.
14147 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14148 (add_arc): Remove state_alts argument. All callers updated.
14149 (output_reserved_units_table): Emit #ifdef here...
14150 (output_tables): ...not here. Don't generate state_alts tables.
14151 (expand_automata): Don't generate attributes.
14152 (write_automata): Don't generate state_alts functions.
14153 (main): New function.
14154 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14155 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14156 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14157 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14158 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14159 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14160 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14161 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14163 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14164 * genattrtab.h: Delete file.
14165 * Makefile.in (OBJS-common): Add insn-automata.o.
14166 (insn-automata.o): New rule.
14167 (simple_generated_c): Add insn-automata.c.
14168 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14169 (genprogmd): Add automata.
14170 (build/genattrtab): Needs no extra objects nor libraries.
14171 (build/genautomata): Needs build/vec.o and -lm.
14173 2006-01-22 Zack Weinberg <zackw@panix.com>
14175 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14176 (output_dfa_max_issue_rate, locked_states_num): Delete.
14177 (struct automaton): Add locked_states field.
14178 (output_dead_lock_vect): Save number of locked states in
14179 automaton->locked_states. If it is zero, don't print anything.
14180 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14181 (output_internal_dead_lock_func): Only test the dead_lock_vect
14182 for automata that have locked states.
14183 (output_statistics): Always print the number of locked states for
14184 each automaton. Calculate total number of locked states here.
14185 (write_automata): Don't call output_dfa_max_issue_rate.
14186 * genattrtab.c: Define length_unit_log as a const variable.
14187 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14188 max_insn_queue_index const.
14189 * final.c (length_unit_log): Declare const.
14190 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14192 2006-01-22 Zack Weinberg <zackw@panix.com>
14194 * genautomata.c: Include vec.h, not varray.h.
14195 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14196 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14197 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14198 VEC_* macros operating on appropriately typed vectors, or to
14199 malloced arrays when the size is known in advance. Const-ify
14200 many char* variables and function arguments. No functional changes.
14201 * Makefile.in (build/varray.o): Delete rule.
14202 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14203 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14205 2006-01-22 Zack Weinberg <zackw@panix.com>
14207 * gensupport.c: Define get_insn_name and record_insn_name here.
14208 (read_md_rtx): Call record_insn_name as appropriate.
14209 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14210 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14211 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14213 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14214 (BUILD_VARRAY): Delete.
14215 (genprognormal): Rename genprogmd. Fold in all programs from
14216 genprognoprint; also attrtab.
14217 (build/genattrtab): Just mention genautomata.o and varray.o.
14218 Reorganize a bit, add comments to make the categories clearer.
14220 2006-01-22 Zack Weinberg <zackw@panix.com>
14222 * genconditions.c (condition_table, add_condition): Delete.
14223 (write_conditions): Don't emit n_insn_conditions nor
14224 insn_elision_unavailable. Issue the gcc version #ifdef here,
14225 inside the table, with no #else clause ...
14226 (write_header): ...not here.
14227 (write_writer): New function.
14228 (main): Don't initialize condition_table. Use add_c_test.
14230 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14231 files on the command line.
14232 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14233 Return -1 if there is no entry in the table, don't abort.
14234 (add_c_test, traverse_c_tests): New functions.
14235 * gensupport.h (insn_elision_unavailable, insn_conditions)
14236 (n_insn_conditions): Delete declarations.
14237 (add_c_test, traverse_c_tests): Declare.
14238 * read-rtl.c: Include gensupport.h.
14239 (read_conditions): New function.
14240 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14241 (read_rtx_1): If we get EOF when we were looking for an initial
14242 open paren, return 0. Call read_conditions when appropriate.
14243 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14244 dummy-conditions.o. Eliminate references to insn-conditions.o,
14245 or change them to build/gencondmd.o, as appropriate. Remove
14246 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14247 from $(simple_generated_c). For all files remaining in those
14248 two lists, add insn-conditions.md to the generator command line.
14249 Give insn-constants.h/s-constants their own rules. Add rules
14250 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14251 (build/read-rtl.o): Depend on gensupport.h.
14252 (genprognormal): Include preds.
14253 (genprogearly): Rename genprognoprint; only difference is now that
14254 they don't link with $(BUILD_PRINT).
14255 * dummy-conditions.c: Delete.
14257 2006-01-22 Zack Weinberg <zackw@panix.com>
14259 * genextract.c: Don't include insn-config.h. Do include vec.h.
14260 Declare vectors of int, char, and locstr.
14261 (locstr): New typedef.
14262 (struct extraction): Make all array fields into bare pointers.
14263 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14264 (insn_code_number): Delete.
14265 (accum_extract): New struct.
14266 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14267 (gen_insn): Take insn_code_number as an argument. Use an
14268 accum_extract structure instead of loading data directly into
14269 a struct extraction, and having to know how big it might get.
14270 (walk_rtx): Operate entirely on an accum_extract structure.
14271 (print_path): Avoid unnecessary use of printf.
14272 (print_header): New function, split out of main. Distinguish
14273 more carefully between an unrecognizable insn and an insn that
14274 has the code number of a define_expand.
14275 (main): Pass insn_code_number to gen_insn. Call print_header
14276 only after parsing. Avoid unnecessary use of printf.
14277 * Makefile.in (build/vec.o): New rule.
14278 (build/genextract): Depend on build/vec.o.
14279 (build/genextract.o): Don't depend on insn-config.h.
14281 2006-01-22 Zack Weinberg <zackw@panix.com>
14283 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14284 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14285 practical. Eliminate per-generator-program link rules.
14287 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14289 PR middle-end/24437
14290 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14291 with a call expr to ...
14292 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14294 2006-01-23 Richard Guenther <rguenther@suse.de>
14296 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14297 before make_edge with conditional EDGE_TRUE_VALUE.
14299 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14300 Jan Hubicka <jh@suse.cz>
14301 Richard Guenther <rguenther@suse.de>
14303 PR rtl-optimization/25654
14304 * cfgexpand.c (aggregate_contains_union_type): New function.
14305 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14306 for structure variables that contain a union type.
14308 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14310 * gengtype.c (new_structure): Return the structure.
14311 (create_option): Add an extra "next" argument.
14312 (create_field): New function.
14313 (adjust_field_rtx_def): Use create_option and create_field.
14314 Remove a now-unnecessary call to find_structure.
14315 (adjust_field_tree_def): Likewise.
14316 (note_yacc_type): Remove an unnecessary call to find_structure.
14317 * gengtype.h (new_structure): Return the structure.
14318 (create_option): Add an extra argument.
14319 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14320 (option): Adjust calls to create_option.
14322 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14324 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14326 2006-01-22 Paul Brook <paul@codesourcery.com>
14327 Peter Barada <peter@the-baradas.com>
14329 * config/m68k/m68k.md: Add Coldfire FPU support.
14330 Define FP mode macro and associated attributes.
14331 Use it for float mode patterns.
14332 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14333 (LIBCALL_VALUE): Use m68k_libcall_value.
14334 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14335 (m68k_function_value): Ditto.
14336 (emit_move_sequence): Ditto.
14337 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14338 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14339 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14340 (MULTILIB_EXCEPTIONS): Ditto.
14341 * config/m68k/m68k.opt: Add mcfv4e.
14342 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14343 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14344 (m68k_output_function_prologue): Save ColdFire FPU registers.
14345 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14346 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14347 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14348 ColdFire FPU registers.
14349 (m68k_libcall_value, m68k_function_value): New functions.
14350 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14351 (LIBCALL_VALUE): Use m68k_libcall_value.
14352 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14353 (MASK_COLDFIRE): Add MASK_CFV4E.
14354 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14355 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14356 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14357 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14358 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14359 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14360 * doc/invoke.tex: Document -mcfv4e on m68k.
14362 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14364 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14367 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14370 * c-opts.c (c_common_handle_option): Don't include
14371 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14372 * doc/invoke.texi (C++ Dialect Options): Document that
14373 -Wnon-virtual-dtor is no longer included in -Wall.
14375 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14377 * gcov.c (print_version), gcov-dump.c (print_version),
14378 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14381 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14383 * df-scan.c (problem_SCAN): Added NULL reset function.
14384 (df_scan_reset_blocks): Added code to call reset block function
14385 (df_bb_refs_delete) Fixed comment.
14386 (df_insn_refs_delete): Made tolerant of deleting non existent info
14387 for dataflow problems that need to be reset.
14388 * df-core.c (df_set_blocks): Ditto.
14389 * df.h (struct df_problem): Added reset_fun.
14390 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14391 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14392 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14393 functions to clear out all references to def-use or use-def chains.
14395 2006-01-21 Ben Elliston <bje@au.ibm.com>
14397 * varasm.c (assemble_real): Initialise data array.
14399 2006-01-20 Paul Brook <paul@codesourcery.com>
14401 Merge from csl-arm-branch.
14402 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14403 * config/arm/arm.md (movdi): Force operands[1] to a register
14404 if we have a non-register source.
14405 (*arm_movdi, *movdf_soft_insn): Require that one of the
14406 operands be a register.
14407 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14408 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14410 2006-01-20 DJ Delorie <dj@redhat.com>
14412 * varasm.c (initializer_constant_valid_p): Allow pointers
14413 initialized from integer constants of lesser precision.
14414 (output_constant): Allow non-int-sized pointer modes to be
14415 initialized from integer constants.
14417 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14420 * cppdefault.h (struct default_include): Add multilib flag.
14421 * cppdefault.c (cpp_include_defaults): Set it.
14422 * c.opt (-imultilib): New option.
14423 * c-opts.c (imultilib): New.
14424 (c_common_handle_option): Handle -imultilib.
14425 (c_common_post_options): Likewise.
14426 * c-incpath.c (add_standard_paths, register_include_chains):
14428 * c-incpath.h (register_include_chains): Add extra parameter.
14429 * gcc.c (do_spec_1): Generate -imultilib option.
14430 (The Specs Language): Update %I description.
14431 (process_command): Update copyright notice.
14432 * doc/cppopts.texi (-imultilib): Document.
14433 * doc/invoke.texi (-imultilib): Include in option summary.
14434 (%I): Update specs documentation.
14436 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14438 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14440 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14442 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14445 2006-01-20 Richard Guenther <rguenther@suse.de>
14446 Steven Bosscher <stevenb.gcc@gmail.com>
14448 PR rtl-optimization/24626
14449 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14450 EDGE_TRUE_VALUE if in RTL mode.
14453 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14454 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14456 2006-01-20 Dirk Mueller <dmueller@suse.com>
14459 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14460 instead of a special NOP marker.
14461 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14462 NOP marker handling.
14463 * c-common.h (empty_body_warning): Add forward declaration.
14464 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14465 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14467 2006-01-20 Paul Brook <paul@codesourcery.com>
14469 * Makefile.in (lang_checks): Keep going if mkdir fails.
14471 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14473 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14474 be able to clean out basic block when not necessary.
14475 (df_scan_free): Fixed to properly delete information if df is
14476 unused before calling df_finish.
14477 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14478 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14480 (df_bb_refs_delete): New function.
14481 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14482 * df-core.c (df_set_blocks): Added code to properly clean out
14483 unused blocks if they are not part of the blocks to consider.
14484 Added additional null check.
14485 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14486 be able to clean out basic block when not necessary
14487 * df.h (df_free_bb_function): Ditto.
14488 (df_bb_refs_delete): New function.
14489 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14490 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14491 basic block parameter to be able to clean out basic block when not
14493 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14494 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14495 Fixed to properly delete information if df is unused before
14498 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14500 PR rtl-optimization/25799
14501 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14502 Corrected confluence operator to remove bits from op2 before oring
14503 with op1 rather than removing bits from op1.
14504 (df_ru_transfer_function): Corrected test on wrong bitmap which
14505 caused infinite loop. Both of these problems were introduced in
14506 the dataflow rewrite.
14508 2006-01-19 DJ Delorie <dj@redhat.com>
14510 * reload1.c (find_reload_regs): Note the details of reload
14511 failures in the dump file.
14512 (spill_failure): Likewise.
14514 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14516 * loop-iv.c: Include df.h and hashtab.h.
14517 (enum iv_grd_result): New enum.
14518 (DF_REF_IV, DF_REF_IV_SET): New macros.
14519 (struct biv_entry): New.
14520 (df, bivs): New global variables.
14521 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14522 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14524 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14525 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14526 analyzed_for_bivness_p, record_biv): New functions.
14527 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14528 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14529 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14531 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14533 (iv_number_of_iterations): Use new interface to iv analysis.
14534 * loop-unroll.c: Do not include varray.h.
14535 (analyze_iv_to_split_insn): Use new interface to iv
14537 * loop-unswitch.c (may_unswitch_on): Ditto.
14538 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14540 (df_bb_modify): Realloc tables to the new index.
14541 (df_find_use): New function.
14542 * df.h (df_find_use): Declare.
14543 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14545 * cfgloop.h (struct rtx_iv): Remove analysed field.
14546 (iv_get_reaching_def): Removed.
14547 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14548 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14549 (loop-iv.o): Add df.h and hashtab.h dependency.
14550 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14552 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14555 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14557 (__floatundisf, __floatundidf): Likewise.
14558 * libgcc2.h (IS_IBM_EXTENDED): Define.
14560 2006-01-19 DJ Delorie <dj@redhat.com>
14562 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14564 2006-01-19 Paul Brook <paul@codesourcery.com>
14566 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14567 as nothrow when unwinding tables are disabled.
14569 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14572 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14573 of bit-field" when in system header.
14575 2006-01-19 DJ Delorie <dj@redhat.com>
14577 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14578 the 16 bit shift limit of the m16c.
14580 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14583 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14584 * config/i386/i386.c (output_set_got): Output the label if we have one
14585 for the TARGET_DEEP_BRANCH_PREDICTION case.
14587 2006-01-19 Jan Hubicka <jh@suse.cz>
14588 H.J. Lu <hongjiu.lu@intel.com>
14589 Evandro Menezes <evandro.menezes@amd.com>
14591 * invoke.texi (generic): Document
14593 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14594 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14595 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14596 (x86_use_incdec, x86_pad_returns): New variables
14597 (TARGET_CPU_DEFAULT_generic): New constant
14598 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14599 (enum processor_type): Add generic32 and generic64.
14600 * i386.md (cpu attribute): Add generic32/generic64
14601 (movhi splitter): Behave sanely when both partial_reg_dependency and
14602 partial_reg_stall are set.
14603 (K8 splitters): Enable for generic as well.
14604 * predicates.md (incdec_operand): Use TARGET_INCDEC
14605 (aligned_operand): Avoid memory mismatch stalls.
14606 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14607 * ppro.md: Enable for generic32
14608 * i386.c (generic64_cost, generic32_cost): New.
14609 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14610 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14611 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14612 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14613 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14614 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14615 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14616 x86_accumulate_outgoing_args, x86_prologue_using_move,
14617 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14618 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14619 Enable for generic.
14620 (x86_use_incdec, x86_pad_returns): New.
14621 (override_options): Add generic32 and generic64, translate "generic"
14622 to generic32/generic64 and "i686" to "generic32", refuse
14623 "generic32"/"generic64" as arch target.
14624 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14625 (ix86_reorg): Honor PAD_RETURNS.
14627 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14629 * tree-pretty-print.c (dump_generic_node): Handle
14630 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14631 * cgraph.c (cgraph_expand_queue): Rename from
14632 cgraph_analyze_queue. Update all users.
14633 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14634 cgraph_expand_queue.
14635 (cgraph_expand_all_functions): Likewise.
14636 (cgraph_finalize_pending_functions): Remove. Update callers.
14638 * tree.h (OMP_DIRECTIVE_P): Define.
14639 (OMP_PARALLEL_FN): Define.
14640 (OMP_PARALLEL_DATA_ARG): Define.
14641 (OMP_SECTIONS_SECTIONS): Define.
14642 * tree-pass.h (pass_expand_omp): Declare.
14643 * omp-low.c (struct omp_region): Declare.
14644 (struct omp_context): Remove fields 'parallel_type',
14645 'parallel_start_ix' and 'parallel_start_additional_args'.
14647 (struct omp_for_data): Rename from struct expand_omp_for_data.
14648 (omp_regions): New static variable.
14649 (root_omp_region): New static variable.
14650 (find_omp_clause): Make static.
14651 (is_in_combined_parallel_ctx): Remove.
14652 (is_combined_parallel): New.
14653 (extract_omp_for_data): Move earlier in the file.
14654 (workshare_safe_to_combine_p): New.
14655 (get_ws_args_for): New.
14656 (determine_parallel_type): Move earlier in the file.
14657 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14659 (omp_copy_decl): Likewise.
14660 (create_omp_child_function): Likewise.
14661 (lookup_omp_region): New.
14662 (dump_omp_region): New.
14663 (debug_omp_region): New.
14664 (debug_all_omp_regions): New.
14665 (new_omp_region): New.
14666 (scan_omp_parallel): If parallel_nesting_level > 1, the
14667 directive is nested within another parallel directive.
14668 Set OMP_PARALLEL_FN.
14669 (scan_omp_for): Do not try to handle combined parallel+for
14671 Remove FIXME comment.
14672 (scan_omp_nested): Remove.
14673 (scan_omp_1): Do not call scan_omp_nested when
14674 parallel_nesting_level is > 1.
14675 Do not change the DECL_CONTEXT of local variables found.
14676 (lookup_decl_in_outer_ctx): New.
14677 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14678 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14679 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14680 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14681 If CTX is nested, lookup VAR in the outer context when
14682 building copy assignment.
14683 (lower_send_clauses): Rename from expand_send_clauses.
14684 If CTX is nested, lookup VAR in the outer context when
14685 building copy assignments.
14686 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14687 If CTX is nested, lookup VAR in the outer context when
14688 building copy assignments.
14689 (expand_parallel_call): Rename from build_parallel_call.
14690 Handle combined parallel+workshare cases.
14691 Re-implement to emit code into the CFG.
14693 (expand_omp_parallel): Re-implement to emit code into the CFG.
14694 Call move_sese_region_to_fn to outline the sub-graph
14695 containing the parallel region.
14696 (expand_omp_for_1): Remove.
14697 (expand_omp_for_generic): Re-implement to emit code into the
14699 (expand_omp_for_static_nochunk): Likewise.
14700 (expand_omp_for_static_chunk): Likewise.
14701 (expand_omp_for): Likewise.
14702 (expand_omp_sections): Likewise.
14703 (remove_exit_barriers): New.
14704 (expand_omp_synch): New.
14706 (build_omp_regions_1): New.
14707 (build_omp_regions): New.
14708 (execute_expand_omp): New.
14709 (gate_expand_omp): New.
14710 (pass_expand_omp): Define.
14711 (lower_omp_sections): Rename from expand_omp_sections.
14712 Set OMP_SECTIONS_SECTIONS.
14713 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14714 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14715 (lower_omp_single): Rename from expand_omp_simple.
14716 (lower_omp_master): Rename from expand_omp_master.
14717 (lower_omp_ordered): Rename from expand_omp_ordered.
14718 (lower_omp_critical): Rename from expand_omp_critical.
14719 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14720 (lower_omp_for): Re-implement.
14721 (lower_omp_parallel): Re-implement.
14722 (lower_regimplify): Rename from expand_regimplify.
14723 (lower_omp_1): Rename from expand_omp_1.
14724 If there are syntax errors in the program, replace every
14725 OpenMP directive with NOP.
14726 Call lower_omp_* instead of expand_omp_*.
14727 (lower_omp): Rename from expand_omp.
14729 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14730 * tree-gimple.h (enum omp_parallel_type): Remove.
14731 (gimple_boolify): Declare extern.
14732 (find_omp_clause, determine_parallel_type): Remove.
14734 * gimple-low.c (lower_omp_directive): New.
14735 (lower_stmt): Call it.
14736 (record_vars_into): Move from ...
14737 (record_vars): ... here.
14738 Call record_vars_into with current_function_decl.
14740 * gimplify.c (struct gimplify_ctx): Remove fields
14741 combined_pre_p and combined_ctxp. Update users.
14742 (get_formal_tmp_var): Add documentation.
14743 (gimple_boolify): Make extern.
14744 (gimplify_expr_in_ctx): Remove. Update callers.
14745 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14746 will always be a BIND_EXPR.
14747 (gimplify_expr): Handle OMP_RETURN_EXPR.
14748 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14749 (OMP_PARALLEL): Add 3 operands.
14750 (OMP_SECTIONS): Add 1 operand.
14751 (OMP_RETURN_EXPR): Define.
14753 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14754 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14755 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14756 creating a circular free list.
14757 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14759 * tree-flow.h (move_sese_region_to_fn): Declare.
14760 (record_vars_into): Declare.
14761 * tree-cfg.c (make_omp_sections_edges): New.
14762 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14763 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14764 OMP_SECTIONS and OMP_SECTION.
14765 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14766 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14767 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14768 (gather_blocks_in_sese_region): New.
14769 (struct move_stmt_d): Declare.
14770 (move_stmt_r): New.
14771 (move_block_to_fn): New.
14772 (move_sese_region_to_fn): New.
14774 * passes.c (init_optimization_passes): Schedule
14775 pass_expand_omp after pass_init_datastructures.
14777 * tree-ssa-operands.c (get_expr_operands): Handle
14778 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14779 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14781 2006-01-19 Jeff Law <law@redhat.com>
14783 * tree-vrp.c (extract_range_from_assert): Refine the result range
14784 if the variable referenced by the ASSERT_EXPR has a range and
14785 either the tentative result range or the previous range is a
14788 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14790 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14792 2006-01-19 Jan Hubicka <jh@suse.cz>
14794 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14796 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14798 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14799 (expand_compound_operation, expand_field_assignment): Fail if the
14800 bit lengths of an extract operation are out of range.
14801 (make_extraction): Compute wanted_inner_mode based on the position
14802 and length of the extraction. Make it extraction_mode for non-constant
14803 positions, and do not modify offset in that case. When generating a
14804 new MEM, use a mode that can hold the extraction while keeping correct
14805 alignment. Remove code that supported MEMs wrapped by USEs.
14806 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14808 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14810 * config/s390/s390.md ("Y", "y"): New mode attribute.
14811 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14812 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14813 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14814 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14815 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14816 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14817 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14818 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14819 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14820 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14821 "addsi3", "subsi3"): Insn patterns removed.
14822 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14823 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14824 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14825 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14826 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14827 "*sub<mode>3_cconly2"): New insn patterns.
14828 ("addsi3", "subsi3"): New expanders.
14830 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14832 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14833 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14834 existing STMT_VINFO_VECTYPE if available.
14835 (vect_mark_relevant): Add special handling for stmts that are
14836 marked as STMT_VINFO_IN_PATTERN_P.
14837 (vect_analyze_loop): Call vect_pattern_recog.
14838 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14839 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14841 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14842 (vect_recog_func_ptr): New function-pointer type.
14843 * tree-vect-patterns.c: New file.
14844 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14845 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14846 (vect_pattern_recog_1): New functions.
14847 (vect_pattern_recog_funcs): New array of function pointers.
14849 * tree-vectorizer.h (ternary_op): New enum value.
14850 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14851 declaration. Revised documentation. Removed redundant dump prints.
14852 Removed redundant argument. Added support for reduction patterns.
14853 (vectorizable_reduction): Added support for reduction patterns.
14854 (vect_transform_stmt): Added support for patterns.
14856 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14857 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14858 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14859 (expand_widen_pattern_expr): New function.
14860 (init_optabs): Initialize new optabs udot_prod_optab,
14862 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14863 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14864 (expand_widen_pattern_expr): New function declaration.
14865 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14867 * tree-inline.c (estimate_num_insns_1): Added cases for new
14868 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14869 * tree-pretty-print.c (dump_generic_node): Likewise.
14870 (op_prio): Likewise.
14871 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14872 * tree-ssa-operands.c (get_expr_operands): Added case for
14874 * tree-vect-patterns.c (widened_name_p): New function.
14875 (vect_recog_dot_prod_pattern): Added function implementation.
14876 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14877 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14878 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14879 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14881 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14882 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14883 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14884 (init_optabs): Initialize new optabs widen_ssum_optab,
14886 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14887 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14888 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14889 use instead of type of def.
14890 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14891 function implementation.
14892 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14893 widen_ssumv8hi): New.
14895 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14898 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14901 * c-decl.c (add_flexible_array_elts_to_size): New function.
14902 (finish_decl): Use it.
14904 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14906 * diagnostic.h: Include options.h.
14907 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14908 dependancies for diagnostic.h.
14909 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14911 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14913 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14914 (ssa_ro_call_cache_valid): Ditto.
14915 * tree-ssa-alias.c (sort_tags_by_id): New function.
14916 (init_transitive_clobber_worklist): Ditto.
14917 (add_to_worklist): Ditto.
14918 (mark_aliases_call_clobbered): Ditto.
14919 (compute_tag_properties): Ditto.
14920 (set_initial_properties): Ditto.
14921 (compute_call_clobbered): Ditto.
14922 (compute_may_aliases): Call compute_call_clobbered and grouping.
14923 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14924 (compute_flow_insensitive_aliasing): Grouping now happens in our
14926 (setup_pointers_and_addressables): Remove clobbering related code.
14927 (add_may_alias): Ditto.
14928 (replace_may_alias): Ditto.
14929 (get_nmt_for): Ditto.
14930 (create_global_var):
14931 (is_escape_site): Return an escape_type enumeration.
14932 * tree-flow-inline.h (is_call_clobbered): Global var does not
14933 imply call clobbered.
14934 (mark_call_clobbered): Take a reason for marking this. Remove
14935 marking of globalness, and cache invalidation.
14936 (clear_call_clobbered): Remove cache invalidation code.
14937 * tree-dfa.c (dump_variable): If details is on, dump the reason
14939 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14941 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14942 (struct var_ann_d): Ditto.
14943 (enum escape_type): New.
14944 (mark_call_clobbered): Adjust prototype.
14945 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14946 are never call clobbered.
14947 Record reasons for escaping.
14948 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14949 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14950 (ssa_ro_call_cache_valid): Ditto.
14951 (clobbered_v_may_defs): Ditto.
14952 (clobbered_vuses): Ditto.
14953 (ro_call_vuses): Ditto.
14954 (clobber_stats): New.
14955 (init_ssa_operands): Zero out clobber stats.
14956 (fini_ssa_operands): Print out clobber stats.
14957 (get_call_expr_operands): Pass callee fndecl to
14958 add_call_read_ops).
14959 (add_call_clobber_ops): Remove use of cache.
14960 Add use of PURE_CONST information.
14961 (add_call_read_ops): Remove use of cache.
14962 Add use of static not_read information.
14964 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14966 Introduce TLS descriptors for i386 and x86_64.
14967 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14968 (TARGET_ANY_GNU_TLS): New macro.
14969 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14970 (struct machine_function): Add tls_descriptor_call_expanded_p.
14971 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14972 (ix86_current_function_calls_tls_descriptor): Likewise.
14973 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14974 (override_options): Introduce gnu2 tls dialect.
14975 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14977 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14979 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14980 (ix86_init_machine_status): Initialize new field.
14981 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14982 (ix86_tls_module_base): New.
14983 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14984 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14985 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14986 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14987 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14988 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14989 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14990 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14991 * config/i386/predicates.md (tls_modbase_operand): New.
14992 (tp_or_register_operand): New.
14994 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14996 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14997 (look_for_address_of): Ditto.
14998 (ipa_init): Walk the function decls.
14999 (static_execute): Don't set readonly on FUNCTION_DECL's.
15001 2006-01-18 Roger Sayle <roger@eyesopen.com>
15003 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15004 for shifts where the source and destination registers are different.
15006 2006-01-18 Paul Brook <paul@codesourcery.com>
15008 Merge from csl-arm-branch.
15009 2005-03-14 Julian Brown <julian@codesourcery.com>
15010 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15011 (aeabi_llsl): Likewise.
15012 (ashrdi3): Likewise.
15013 (aeabi_lasr): Likewise.
15014 (lshrdi3): Likewise.
15015 (aeabi_llsr): Likewise.
15016 2005-03-10 Julian Brown <julian@codesourcery.com>
15017 * config.gcc: Disable shared libgcc for SymbianOS.
15018 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15020 2006-01-18 DJ Delorie <dj@redhat.com>
15022 * c-pragma.c (handle_pragma_diagnostic): New.
15023 (init_pragma): Register it.
15024 * doc/extend.texi: Document it.
15026 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15027 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15028 (diagnostic_context): Add classify_diagnostic[].
15029 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15030 as errors if they're overridden to DK_WARNING.
15031 (diagnostic_initialize): Initialize classify_diagnostic[].
15032 (diagnostic_set_kind_override): New.
15033 (diagnostic_report_diagnostic): Check for kind changes.
15034 * opts.c (common_handle_option): Take lang_mask. Update callers.
15035 Handle OPT_Werror_.
15036 * common.opt (Werror=): New.
15037 * doc/invoke.texi: Document -Werror=*
15039 2006-01-18 Jeff Law <law@redhat.com>
15041 * tree-vrp.c (test_for_singularity): Correct test for new
15042 min limit. Use operand_equal_p rather than pointer equality
15043 for testing if new min/max values are equal.
15045 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15046 using range information until after propagation and folding.
15048 2006-01-18 Richard Henderson <rth@redhat.com>
15049 Aldy Hernandez <aldyh@redhat.com>
15050 Jakub Jelinek <jakub@redhat.com>
15051 Diego Novillo <dnovillo@redhat.com>
15053 * omp-low.c: New file.
15054 * c-omp.c: New file.
15056 2006-01-18 Richard Henderson <rth@redhat.com>
15057 Jakub Jelinek <jakub@redhat.com>
15058 Diego Novillo <dnovillo@redhat.com>
15060 * doc/invoke.texi: Document -fopenmp.
15061 * tree-dump.h (debug_function): Declare.
15062 * hooks.c (hook_bool_tree_bool_false): New function.
15063 (hook_tree_tree_null): Remove.
15064 (hook_tree_tree_tree_null): New.
15065 * hooks.h: Update to match.
15066 * tree-pretty-print.c (debug_tree_chain): New.
15067 (print_generic_expr): Handle TDF_CHAIN.
15068 (dump_generic_node): Handle BLOCK.
15069 Do not abort with incomplete SWITCH_EXPRs.
15070 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15071 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15072 print space after directive name.
15073 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15074 Handle OMP_MASTER and OMP_ORDERED.
15075 Handle printing of OMP_BODY just in one place, goto
15076 dump_omp_body in the rest of OMP_* nodes that have
15078 Don't handle clause nodes here. Update omp statements to
15079 use dump_omp_clauses.
15080 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15081 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15082 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15083 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15084 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15085 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15086 Adjust output for GOMP_PARALLEL.
15087 (dump_omp_clauses): New.
15088 (print_declaration): Dump DECL_VALUE_EXPR.
15089 (op_symbol_1): Split out of op_symbol.
15090 (dumping_stmts): Remove. Update all users.
15091 * cgraph.c (cgraph_analyze_queue): New.
15092 (cgraph_add_new_function): New.
15093 * cgraph.h (cgraph_analyze_queue): Declare.
15094 (cgraph_add_new_function): Declare.
15095 (cgraph_lower_function): Remove.
15096 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15097 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15098 and TYPE_P nodes in its default clause.
15099 (empty_body_p): New.
15100 (tree_range_check_failed): New.
15101 (build5_stat): New.
15102 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15103 OMP_CLAUSE_REDUCTION_MERGE,
15104 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15105 OMP_CLAUSE_PRIVATE_DEBUG,
15106 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15107 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15108 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15109 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15110 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15111 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15112 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15113 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15114 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15115 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15116 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15117 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15118 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15119 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15120 (TREE_RANGE_CHECK): New.
15121 (empty_body_p): Declare.
15122 (enum omp_clause_default_kind): New.
15123 (build_string_literal): Declare.
15124 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15125 (build5_stat, build5): Declare.
15126 * tree-pass.h (TDF_CHAIN): Define.
15127 * tree-pass.h (PROP_gimple_lomp): Define.
15128 (pass_lower_omp): Declare.
15129 * diagnostic.h (debug_tree_chain): Declare.
15130 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15132 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15133 * builtins.c (build_string_literal): Make extern.
15134 * gcc.c (include_spec_function): New.
15135 (static_spec_functions): Add it.
15136 (main): Move load of libgomp.spec ...
15137 (LINK_COMMAND_SPEC): ... here.
15138 (link_gomp_spec): New.
15139 (static_specs): Include it.
15140 (LINK_COMMAND_SPEC): Add link_gomp.
15141 (GOMP_SELF_SPECS): New.
15142 (driver_self_specs): Include it.
15143 (switch_matches): Don't mark inline.
15144 (main): Load libgomp.spec.
15145 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15146 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15147 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15148 * tree-gimple.h (enum omp_parallel): Declare.
15149 (determine_parallel_type): Declare.
15150 (omp_firstprivatize_variable): Declare.
15151 (omp_reduction_init): Declare.
15152 (diagnose_omp_structured_block_errors): Declare.
15153 (struct walk_stmt_info): Add want_return_expr.
15154 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15155 (find_omp_clause): Declare.
15156 (insert_field_into_struct): Declare.
15157 (struct walk_stmt_info): Move from tree-nested.c
15158 (walk_stmts): Declare.
15159 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15161 * cgraphunit.c (cgraph_lower_function): Make static.
15162 (cgraph_finalize_pending_functions): New.
15163 (cgraph_finalize_function): Call it.
15164 (cgraph_finalize_compilation_unit): Likewise.
15165 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15166 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15167 (BT_FN_UINT_UINT): New.
15168 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15169 DEF_FUNCTION_TYPE_VAR_4): Document.
15170 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15171 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15172 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15173 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15174 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15175 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15176 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15177 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15178 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15179 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15180 into separate files.
15181 (DEF_GOMP_BUILTIN): New.
15182 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15183 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15184 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15185 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15186 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15187 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15188 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15189 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15190 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15191 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15192 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15193 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15194 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15195 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15196 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15197 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15198 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15199 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15200 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15201 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15202 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15203 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15204 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15205 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15206 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15207 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15208 * sync-builtins.def: New file, moved from builtins.def.
15209 * omp-builtins.def: New file, moved from builtins.def.
15210 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15211 * gimple-low.c (lower_function_body): Clear data.
15212 (lower_stmt): Do not handle COMPOUND_EXPR.
15213 Remove call to print_node_brief.
15214 * c-tree.h (c_finish_omp_clauses): New prototype.
15215 (C_DECL_THREADPRIVATE_P): Define.
15216 (lookup_name_no_remap, c_omp_remap_private): Remove
15217 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15218 (check_for_loop_decls): Update decl.
15219 (lookup_name_no_remap, c_omp_remap_private): Declare.
15220 (build_indirect_ref, build_modify_expr, pushdecl,
15221 pushdecl_top_level): Move to c-common.h.
15222 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15223 before the switch, but just in the 2 places that need it.
15224 * c-decl.c (diagnose_mismatched_decls): Do not check for
15225 mismatched thread-local attributes when OLDDECL is marked
15226 threadprivate and NEWDECL has no thread-local attributes.
15227 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15228 (c_gimple_diagnostics_recursively): Rename from
15229 c_warn_unused_result_recursively. Invoke
15230 diagnose_omp_structured_block_errors.
15231 (check_for_loop_decls): Return a singular decl found.
15232 * langhooks.c (lhd_omp_predetermined_sharing): Return
15233 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15234 (lhd_omp_firstprivatize_type_sizes): New.
15235 (lhd_omp_assignment): New.
15236 (lhd_omp_predetermined_sharing): New.
15237 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15238 (struct lang_hooks_for_types): Add
15239 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15240 omp_predetermined_sharing, omp_disregard_value_expr,
15241 omp_private_debug_clause, omp_clause_default_ctor,
15242 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15243 (c_finish_omp_clauses): New.
15244 (c_finish_bc_stmt): Diagnose break within omp for.
15245 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15246 (build_unary_op): Return error_mark after reporting
15248 (build_modify_expr): Likewise.
15249 * gimplify.c: Include optabs.h and pointer-set.h.
15250 (enum gimplify_omp_var_data): Declare.
15251 (struct gimplify_omp_ctx): Declare.
15252 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15254 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15255 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15256 (splay_tree_compare_decl_uid): New.
15257 (new_omp_context): New.
15258 (delete_omp_context): New.
15259 (gimple_add_tmp_var): Call omp_add_variable.
15260 (gimplify_bind_expr): Likewise.
15261 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15262 true, disregard DECL_VALUE_EXPR on the decl if any.
15263 (gimplify_expr_in_ctx): New.
15264 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15265 omp_add_variable, omp_notice_variable, omp_is_private
15266 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15267 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15268 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15269 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15270 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15271 gimplify_omp_atomic): New.
15272 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15273 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15274 OMP_CRITICAL and OMP_ATOMIC.
15275 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15276 * c-pragma.h (enum pragma_kind): Add
15277 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15278 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15279 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15280 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15281 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15282 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15283 PRAGMA_OMP_THREADPRIVATE.
15284 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15285 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15286 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15287 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15288 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15289 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15290 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15291 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15292 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15293 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15294 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15295 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15296 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15298 (struct nesting_info): Add field_map,
15299 suppress_expansion, debug_var_chain.
15300 (create_nesting_tree): Initialize them.
15301 (lookup_field_for_decl): Use field_map.
15302 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15303 (convert_local_omp_clauses): New.
15304 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15305 (walk_body): Split out of walk_function.
15306 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15307 (convert_nonlocal_reference): Handle omp statements.
15308 (convert_local_reference): Likewise.
15309 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15310 (unnest_nesting_tree): New.
15311 (lower_nested_functions): Call it.
15312 (insert_field_into_struct): Make extern.
15313 (struct walk_stmt_info): Move to tree-gimple.h.
15314 (walk_stmts): Make extern.
15315 * omp-builtins.def: New file.
15316 * tree-iterator.c (expr_only): Clarify comment.
15317 * c-common.h (pushdecl_top_level, pushdecl,
15318 build_modify_expr, build_indirect_ref,
15319 c_finish_omp_master, c_finish_omp_critical,
15320 c_finish_omp_ordered, c_finish_omp_barrier,
15321 c_finish_omp_atomic, c_finish_omp_flush,
15322 c_finish_omp_for, c_split_parallel_clauses,
15323 omp_clause_default_kind, c_omp_sharing_predetermined,
15324 c_omp_remap_decl): Declare.
15325 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15326 (OBJS-common): Add omp-low.o.
15327 (c-omp.o, omp-low.o): Add.
15328 (gimplify.o): Add dependency on $(OPTABS_H).
15329 (GTFILES): Add omp-low.c.
15330 (gt-stringpool.h): Add.
15331 * tree-cfg.c (set_bb_for_stmt): Do not update the
15332 block-to-labels map if we are currently expanding to RTL.
15333 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15335 Handle IDENTIFIER_NODE.
15336 (tree_verify_flow_info): Do not ICE when emitting error
15337 messages about invalid labels.
15338 (dump_function_to_file): Reset CFUN before emitting the body
15340 (debug_function): New.
15341 * passes.c (init_optimization_passes): Schedule
15343 * langhooks-def.h (lhd_omp_predetermined_sharing,
15344 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15346 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15347 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15348 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15349 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15350 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15351 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15352 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15353 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15354 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15355 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15356 (LANG_HOOK_DECLS): Use them.
15358 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15359 Richard Henderson <rth@redhat.com>
15360 Jakub Jelinek <jakub@redhat.com>
15361 Diego Novillo <dnovillo@redhat.com>
15363 * c-parser.c (pragma_omp_clause): Define.
15364 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15365 (c_parser_compound_statement): Likewise.
15366 (c_parser_statement): Likewise.
15367 (c_parser_pragma): Handle omp pragmas.
15368 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15369 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15370 (c_parser_omp_clause_name, check_no_duplicate_clause,
15371 c_parser_omp_variable_list,
15372 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15373 c_parser_omp_clause_copyprivate,
15374 c_parser_omp_clause_default,
15375 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15376 c_parser_omp_clause_lastprivate,
15377 c_parser_omp_clause_nowait,
15378 c_parser_omp_clause_num_threads,
15379 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15380 c_parser_omp_clause_reduction,
15381 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15382 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15383 c_parser_omp_atomic, c_parser_omp_barrier,
15384 c_parser_omp_critical, c_parser_omp_flush,
15385 c_parser_omp_for_loop, c_parser_omp_for,
15386 c_parser_omp_master, c_parser_omp_ordered,
15387 c_parser_omp_sections_scope, c_parser_omp_sections,
15388 c_parser_omp_parallel, c_parser_omp_single,
15389 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15390 * c-pragma.c (init_pragma): Do omp pragma registration here.
15391 * c.opt (fopenmp): New flag.
15393 2006-01-18 Eric Christopher <echristo@apple.com>
15395 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15396 * config/darwin.h (GOMP_SELF_SPECS): Define.
15398 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15400 * rtl.h: Remove the prototype for reg_alloc.
15402 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15405 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15406 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15407 sjlj and dwarf2 exception handling.
15408 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15409 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15410 * pa/pa.c (function_value): Treat complex and vector types as
15412 (function_arg): Likewise. Only pass scalar floats in the floating
15413 point argument registers.
15414 * pa/t-slibgcc-dwarf-ver: New file.
15415 * pa/t-slibgcc-sjlj-ver: New file.
15416 * pa/t-slibgcc-elf-ver: Delete file.
15418 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15420 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15421 unlikely_test_section_p test.
15423 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15425 * mode-switching.c (optimize_mode_switching): Make it static.
15426 * basic-block.h: Remove the prototype for
15427 optimize_mode_switching.
15429 * modulo-sched.c (sms_schedule): Make it static.
15430 * rtl.h: Remove the prototype for sms_schedule.
15432 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15433 * rtl.h: Remove the prototype for gcse_after_reload_main.
15435 * reg-stack.c (reg_to_stack): Make it static.
15436 * rtl.h: Remove the prototype for reg_to_stack.
15438 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15440 * rtl.h: Remove the prototypes for regrename_optimize and
15441 copyprop_hardreg_forward.
15443 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15445 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15446 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15447 Test against the appropriate null constant for the mode.
15448 If 'fixup_overlap' is true, swap the operands if they overlap.
15449 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15450 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15451 alpha_split_tmode_pair and adjust for above change.
15452 * config/alpha/alpha.md (movtf_internal): Adjust call to
15453 alpha_split_tfmode_pair and rely on it to swap the operands.
15454 (movti_internal): New insn and post-reload splitter.
15455 (movti): New expander.
15457 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15459 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15462 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15464 * rtlanal.c (global_reg_mentioned_p_1,
15465 global_reg_mentioned_p): Remove.
15466 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15468 * flow.c (initialize_uninitialized_subregs): Make it static.
15469 * rtl.h: Remove the prototype for
15470 initialize_uninitialized_subregs.
15472 * function.c (instantiate_virtual_regs): Make it static.
15473 * function.h: Remove the prototype for
15474 instantiate_virtual_regs.
15476 * regmove.c (regmove_optimize, combine_stack_adjustments):
15478 * rtl.h: Remove the prototypes for regmove_optimize and
15479 combine_stack_adjustments.
15481 2006-01-17 Roger Sayle <roger@eyesopen.com>
15483 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15484 (size_cost): Encode costs in bytes so that a reg-reg addition is
15485 equivalent to COSTS_N_INSNS(1).
15486 (override_options): Use the size_cost.branch_cost as the default
15487 ix86_branch_cost when optimizing for size.
15489 2006-01-18 Ben Elliston <bje@au.ibm.com>
15491 * Makefile.in (D32PBIT_FUNCS): New.
15492 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15493 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15494 D64PBIT_FUNCS and D128PBIT_FUNCS.
15495 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15496 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15498 (decnumber_dep): Define.
15499 * doc/libgcc.texi (Decimal float library routines): New node.
15500 * config/dfp-bit.h, config/dfp-bit.c: New files.
15502 2006-01-18 Ben Elliston <bje@au.ibm.com>
15504 * expr.c (emit_move_change_mode): Always adjust addresses, not
15505 just during reload. Copy replacements only during reload.
15506 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15507 emit_move_via_integer.
15509 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15511 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15512 instead of $(srcdir) and ${srcdir}.
15514 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15517 PR middle-end/11135
15518 * arm.h (struct machine_function): Add pic_reg.
15519 * arm.c (arm_pic_register): Make unsigned.
15520 (arm_override_options): Only set arm_pic_register if
15521 TARGET_SINGLE_PIC_BASE.
15522 (use_return_insn): Only test for a pic register if it is fixed.
15523 (arm_compute_save_reg0_reg12_mask): Likewise.
15524 (thumb_compute_save_reg_mask): Likewise.
15525 (legitimate_pic_operand): Factor out some known invariants.
15526 (legitimize_pic_address): If we don't have a fixed pic register,
15527 then set up a pseudo in the function entry sequence. Handle the
15528 pic base being in a pseudo.
15529 (arm_load_pic_register): Handle the pic register being in a pseudo.
15530 (arm_expand_prologue): Only set up the pic register if it is fixed.
15531 (thumb_expand_prologue): Likewise.
15532 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15533 (pic_load_addr_based_insn): Likewise.
15534 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15537 2006-01-18 Ben Elliston <bje@au.ibm.com>
15539 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15540 decimal float modes for all floating point registers.
15542 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15543 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15545 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15548 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15549 even when the pointer is not NULL.
15551 2006-01-16 Ian Lance Taylor <ian@airs.com>
15553 * common.opt (ftoplevel-reorder): New option.
15554 * cgraph.c (cgraph_asm_nodes): New global variable.
15555 (cgraph_asm_last_node): New static variable.
15556 (cgraph_order): New global variable.
15557 (cgraph_create_node): Set new order field.
15558 (cgraph_varpool_node): Likewise.
15559 (decide_is_variable_needed): Return true if not
15560 flag_toplevel_reorder.
15561 (cgraph_add_asm_node): New function.
15562 * cgraph.h (struct cgraph_node): Add order field.
15563 (struct cgraph_varpool_node): Add order field.
15564 (struct cgraph_asm_node): Define.
15565 (cgraph_asm_nodes, cgraph_order): Declare.
15566 (cgraph_add_asm_node): Declare.
15567 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15569 (cgraph_varpool_assemble_pending_decls): Call it.
15570 (cgraph_output_pending_asms): New static function.
15571 (cgraph_finalize_compilation_unit): Call it.
15572 (struct cgraph_order_sort): Define.
15573 (cgraph_output_in_order): New static function.
15574 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15575 !flag_toplevel_reorder case.
15576 * c-parser.c: Include "cgraph.h".
15577 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15579 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15580 than -fno-unit-at-a-time.
15581 * doc/invoke.texi (Option Summary): Mention
15582 -fno-toplevel-reorder.
15583 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15584 -funit-at-a-time documentation.
15586 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15587 Kazu Hirata <kazu@codesourcery.com>
15589 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15591 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15593 * Makefile.in (FUNCTION_H): New. Use it instead of
15594 function.h throughout the file.
15595 * function.h: Include tree.h.
15597 2006-01-17 Ben Elliston <bje@au.ibm.com>
15599 * recog.c: Separate some functions with whitespace.
15601 2006-01-16 Richard Henderson <rth@redhat.com>
15603 Merge from gomp branch:
15604 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15605 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15606 and rename from struct inline_data. Rename callee* to dst*;
15607 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15608 transform_new_cfg, transform_return_to_modify, and
15609 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15611 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15612 (copy_decl_for_dup): Remove.
15613 * tree-inline.c (struct inline_data): Move to header.
15614 (insert_decl_map): Export.
15615 (remap_decl): Update for member name changes. Use copy_decl hook.
15616 Allow for replacement to be a non-decl. Remove dead code.
15617 (remap_type_1): Check for existing mapping.
15618 (remap_type): Export.
15619 (remap_decls): Update for member name changes.
15620 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15621 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15622 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15623 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15624 (tree_function_versioning, build_duplicate_type): Likewise.
15625 (copy_body_r): Likewise. Export.
15626 (copy_decl_for_dup): Split into ...
15627 (copy_decl_for_dup_finish, copy_decl_to_var,
15628 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15629 (replace_ref_tree, inlining_p): Remove.
15631 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15633 * ifcvt.c (if_convert): Make it static.
15634 * rtl.h: Remove the prototype for if_convert.
15636 * local-alloc.c (local_alloc): Make it static.
15637 * rtl.h: Remove the prototype for local_alloc.
15639 * loop.c (loop_optimize): Make it static.
15640 * cfgloop.h: Remove the prototype for loop_optimize.
15643 2006-01-16 DJ Delorie <dj@redhat.com>
15645 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15648 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15650 * pa.md: Disparage copies between general and floating-point registers
15651 in 32-bit move patterns.
15653 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15656 * Makefile.in (check-%): Depend on site.exp instead of
15657 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15660 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15662 * global.c (global_alloc): Make it static.
15663 * rtl.h: Remove the prototype for global_alloc.
15665 2006-01-16 Richard Guenther <rguenther@suse.de>
15667 * tree-ssa-alias.c (struct used_part): Add write_only field.
15668 (get_or_create_used_part_for): Initialize it to true.
15669 (create_overlap_variables_for): Don't create structure variables
15670 for structures that only are written to.
15671 (find_used_portions): Handle MODIFY_EXPR to track whether a
15672 structure is only written to.
15674 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15676 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15678 * basic-block.h: Remove the prototype for
15679 partition_hot_cold_basic_blocks.
15681 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15683 * cppspec.c (lang_specific_spec_functions): Remove.
15684 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15685 * gcc.h (lang_specific_spec_functions): Remove.
15686 * gccspec.c (lang_specific_spec_functions): Remove.
15688 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15690 * combine.c (record_value_for_reg): Invalidate registers
15692 (record_dead_and_set_regs_1): Likewise, by passing them to
15693 record_value_for_reg.
15694 (record_dead_and_set_regs): Invalidate stores made by a
15695 call. We do not combine across a call, but we still
15696 relied on equivalences.
15698 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15700 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15701 vrp_int_const_binop returning non-constant nodes.
15703 2006-01-16 Paul Brook <paul@codesourcery.com>
15705 * config/m68k/m68k.c (output_move_const_into_data_reg):
15706 Output correct mnemonic for mvz and mvs.
15708 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15710 * rtl-factoring.c: Add sequence abstraction algorithm.
15711 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15712 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15714 (block_has_preserve_label): New function.
15715 * common.opt: Register new pass.
15716 * Makefile.in: Ditto.
15718 * timevar.def: Ditto.
15719 * tree-pass.h: Ditto.
15720 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15721 * rtl.h (make_jump_insn_raw): Add forward decl.
15722 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15724 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15725 Roger Sayle <roger@eyesopen.com>
15727 * fold-const.c (fold_minmax): New static function.
15728 (fold_binary) <MIN_EXPR>: Call it.
15729 <MAX_EXPR>: Likewise.
15730 * stor-layout.c (place_field): Use DECL_SIZE consistently
15731 in the computation of the new record size.
15733 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15735 * cse.c (cse_condition_code_reg): Make it static.
15736 * rtl.h: Remove the prototype for cse_condition_code_reg.
15738 * combine.c (combine_instructions): Make it static.
15739 * rtl.h: Remove the prototype for combine_instructions.
15741 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15744 * tree.c (get_file_function_name_long): Concatenate the first global
15745 object name with a string derived from the input filename of the object
15748 2006-01-16 Ben Elliston <bje@au.ibm.com>
15750 * config/i386/winnt-stubs.c: Update FSF address.
15751 * config/xtensa/ieee754-df.S: Ditto.
15752 * config/xtensa/ieee754-sf.S: Ditto.
15754 2006-01-14 Ian Lance Taylor <ian@airs.com>
15756 * ifcvt.c (noce_init_if_info): New static function, broken out of
15757 noce_process_if_block.
15758 (noce_process_if_block): Call noce_init_if_info.
15759 (check_cond_move_block): New static function.
15760 (cond_move_process_if_block): New static function.
15761 (process_if_block): Call cond_move_process_if_block.
15763 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15765 * cselib.c (hash_table): Rename to cselib_hash_table.
15766 (cselib_clear_table, discard_useless_values,
15767 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15768 cselib_init, cselib_finish): Adjust uses of hash_table.
15770 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15772 PR tree-optimization/25485
15773 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15774 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15775 is known to be false and true, respectively.
15777 2006-01-14 Richard Guenther <rguenther@suse.de>
15779 PR tree-optimization/22548
15780 PR tree-optimization/22555
15781 PR tree-optimization/22501
15782 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15783 * params.def (salias-max-array-elements): New parameter.
15784 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15785 * doc/invoke.texi (salias-max-array-elements): Document.
15786 * tree-flow-inline.h (var_can_have_subvars): We also handle
15788 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15790 * tree-ssa-structalias.c (params.h): Include.
15791 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15792 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15793 (get_constraint_for): For ADDR_EXPR operating on something
15794 containing an ARRAY_REF, add all subvars to the solution.
15795 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15796 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15797 for creating MUST_DEFs.
15798 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15800 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15802 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15804 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15805 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15806 number_of_iterations_le): New functions.
15807 (number_of_iterations_special): Removed.
15808 (number_of_iterations_exit): Do not use number_of_iterations_special.
15809 * tree.c (unsigned_type_for): Always return integer type.
15811 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15812 Richard Guenther <rguenther@suse.de>
15814 PR rtl-optimization/24257
15815 * gcse.c (find_moveable_store): Only consider a store movable
15816 when the SET_SRC of the insn can be assigned to a register.
15818 2006-01-14 Ian Lance Taylor <ian@airs.com>
15820 * tree.c (tree_not_class_check_failed): New function.
15821 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15822 (tree_not_class_check_failed): Declare.
15824 2006-01-13 Ian Lance Taylor <ian@airs.com>
15826 * reload1.c (do_output_reload): Add assertion rejecting a
15829 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15831 * combine.c (struct reg_stat): Add new fields truncation_label and
15833 (record_value_for_reg): Reset truncated_to_mode.
15834 (record_truncated_value): New function.
15835 (check_promoted_subreg): Call it. Rename to check_conversions.
15836 (combine_instructions): Rename check_promoted_subreg to
15838 (reg_truncated_to_mode): New function.
15839 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15840 (gen_lowpart_or_truncate): New function.
15841 (force_to_mode): Use it instead of gen_lowpart.
15843 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15845 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15846 VAR is a tag, not its type tag.
15848 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15850 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15851 alternatives to match style of other entries.
15852 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15854 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15856 PR tree-optimization/25771
15857 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15860 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15863 * tree-inline.c (declare_return_variable): If the return variable
15864 was marked as a non gimple complex, set the return slot variable
15865 to be a non gimple comple variable.
15867 2006-01-13 Richard Guenther <rguenther@suse.de>
15869 * builtins.c (expand_builtin_sincos): New function.
15870 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15872 (expand_builtin): Expand sincos using expand_builtin_sincos.
15874 2006-01-12 DJ Delorie <dj@redhat.com>
15876 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15877 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15878 so that constant shifts can be split.
15879 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15880 (m32c_valid_pointer_mode): Make static.
15881 (shift_gen_func_for): New.
15882 (m32c_prepare_shift): Use it. Split large const shifts into
15884 * config/m32c/predicates.md (shiftcount_operand): Allow more
15886 (longshiftcount_operand): New.
15887 * doc/md.texi (Machine Constraints): Document In6.
15889 2006-01-13 Ben Elliston <bje@au.ibm.com>
15891 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15892 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15895 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15897 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15898 to try to avoid clobbering pieces of structures when we know
15899 something about the whole structure.
15900 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15902 2006-01-13 Ben Elliston <bje@au.ibm.com>
15904 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15905 return in memory, as this is no limitation is no longer present.
15907 2006-01-12 DJ Delorie <dj@redhat.com>
15909 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15910 mova with fb, and for fb+0 -> An.
15912 * config/m32c/mov.md (peephole2): Fix enabling logic.
15914 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15915 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15916 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15917 FINI_ARRAY_SECTION_ASM_OP): Define.
15919 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15921 (m32c_legitimize_reload_address): New logic to reload FB to An.
15922 (m32c_output_reg_push): Add newline.
15923 (m32c_output_reg_pop): Likewise.
15925 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15927 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15929 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15931 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15933 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15935 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15938 2006-01-11 Ben Elliston <bje@au.ibm.com>
15940 * rtlanal.c (find_reg_note): Assert insn is not null.
15942 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15944 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15947 2006-01-11 Jeff Law <law@redhat.com>
15949 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15951 (mark_threaded_blocks, register_jump_thread): New functions.
15952 (thread_through_all_blocks): Remove unwanted argument. No
15953 longer rely on e->aux to communicate thread target info.
15954 Call mark_threaded_blocks. Release the threaded_blocks
15955 bitmap and threaded_edges vector when complete.
15956 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15957 (threaded_blocks): Remove.
15958 (tree_ssa_dominator_optimize): Remove initialization and
15959 finalization of threaded_blocks. Simplify call to
15960 thread_through_all_blocks.
15961 (thread_across_edge): Call register_jump_thread rather than
15962 storing thread information into e->aux.
15963 (free_all_edge_infos): Simplify now that e->aux is no longer
15964 used to communicate with thread_through_all_blocks.
15965 * tree-flow.h (thread_through_all_blocks): Update prototype.
15966 (register_jump_thread): Prototype.
15968 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15970 * df-core.c (df_compact_blocks, df_bb_replace): Use
15971 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15973 2006-01-11 Richard Guenther <rguenther@suse.de>
15975 PR tree-optimization/25734
15976 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15977 stop propagation after successful propagation to the LHS.
15979 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15981 * basic-block.h (control_flow_graph): Change the type of
15982 x_basic_block_info to VEC(basic_block,gc) *.
15983 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15985 (SET_BASIC_BLOCK): New.
15986 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15987 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15988 * cfgbuild.c (find_basic_blocks): Likewise.
15989 * cfglayout.c (fixup_reorder_chain): Likewise.
15990 * cfgrtl.c (create_basic_block_structure,
15991 rtl_create_basic_block): Likewise.
15992 * ifcvt.c (find_if_case_1): Likewise.
15993 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15996 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15998 * Makefile.in: Removed rotted odf.c entry.
16000 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16003 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16004 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16005 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16006 output pattern modifier, not %e.
16007 * config/cris/cris.c (cris_op_str): Update comment about pattern
16009 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16010 before falling through into...
16011 <case 'E'>: Redefined from old 'e' case.
16013 2006-01-11 Jan Hubicka <jh@suse.cz>
16016 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16018 2006-01-11 Jan Hubicka <jh@suse.cz>
16020 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16021 * i386.c (x86_decompose_lea): Kill.
16022 (ix86_rtx_costs): Kill.
16024 2006-01-11 Jan Hubicka <jh@suse.cz>
16026 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16027 * cgraph.h (cgraph_node): Add inline_decl.
16028 (cgraph_insert_node_to_hashtable): Declare.
16029 (save_inline_function_body): Declare.
16030 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16032 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16033 (cgraph_function_versioning): Update call of tree_function_versioning.
16034 (save_inline_function_body): New function.
16035 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16036 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16037 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16038 (cgraph_default_inline_p): Likewise.
16039 (cgraph_decide_inlining_incrementally): Likewise.
16040 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16041 (copy_bb): Kill saving; do updating of clones.
16042 (copy_cfg_body): Kill saving.
16043 (initialize_inlined-parameters): Likewise.
16044 (expand_call_inline): Likewise.
16046 (tree_function_versioning): New parameter "update_clones".
16047 (inlining_p): Kill saving.
16048 * tree-inline.h (tree_function_versioning): Update prototype.
16049 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16052 2006-01-11 Ian Lance Taylor <ian@airs.com>
16054 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16055 Allow undoing set of machine mode.
16056 (do_SUBST): Use enums instead of is_int.
16057 (do_SUBST_MODE): New function.
16058 (SUBST_MODE): New macro.
16059 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16060 reg and trying to replace reg_regno_rtx with a new register.
16061 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16062 (simplify_set): Use SUBST_MODE.
16063 (distribute_notes): Remove code that tried to update reg notes
16064 for regno_reg_rtx changes.
16066 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16068 PR tree-optimization/23109
16069 PR tree-optimization/23948
16070 PR tree-optimization/24123
16072 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16073 * tree-cfg.c (single_noncomplex_succ): New.
16074 * tree-flow.h (single_noncomplex_succ): Declare it.
16075 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16076 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16077 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16078 insert_bb, register_division_in, insert_reciprocals,
16079 replace_reciprocal, free_bb): New.
16080 (execute_cse_reciprocals_1): Rewritten.
16081 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16082 Do not commit any edge insertion. Always compute dominators and
16083 create the allocation pool.
16084 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16085 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16086 * targhooks.c (default_min_divistions_for_recip_mul): New.
16087 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16088 * passes.c (init_optimization_passes): Run recip after tree loop
16090 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16092 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16093 Kenneth Zadeck <zadeck@naturalbridge.com>
16095 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16096 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16097 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16098 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16099 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16100 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16101 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16102 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16103 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16104 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16105 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16106 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16107 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16108 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16109 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16110 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16111 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16112 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16113 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16114 DF_SCAN_POST_ALLOC): New macros.
16115 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16116 df_free_bb_function, df_local_compute_function, df_init_function,
16117 df_dataflow_function, df_confluence_function_0,
16118 df_confluence_function_n, df_transfer_function,
16119 df_finalizer_function, df_free_function, df_dump_problem_function,
16120 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16121 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16122 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16123 df_urec_bb_info, ) New types.
16124 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16126 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16127 df_analyze_simple_change_some_blocks,
16128 df_analyze_simple_change_one_block, df_compact_blocks,
16129 df_bb_replace, df_bb_regno_last_use_find,
16130 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16131 df_insn_regno_def_p, df_find_def, df_find_use,
16132 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16133 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16134 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16135 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16136 debug_df_chain, df_get_dependent_problem, df_chain_create,
16137 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16138 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16139 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16140 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16141 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16142 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16143 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16144 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16145 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16146 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16147 df_reorganize_refs, df_set_state, df_hard_reg_init,
16148 df_read_modify_subreg_p) New public functions.
16149 * df-core.c: The core dataflow solver and glue routines for rtl
16151 (df_init, df_add_problem, df_set_blocks, df_finish,
16152 df_hybrid_search_forward, df_hybrid_search_backward,
16153 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16154 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16155 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16156 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16157 df_reg_defined, df_find_use, df_reg_used, df_dump,
16158 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16159 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16160 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16161 debug_df_useno, reset_df_after_reload): New functions.
16162 * df-scan.c: The scanning fuctions, once in df.c, completely
16163 rewritten so that they now fully model the functionality of
16164 register usage at the backend.
16165 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16166 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16167 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16168 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16169 df_get_artificial_defs, df_get_artificial_uses,
16170 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16171 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16172 df_refs_delete, df_reorganize_refs, df_set_state,
16173 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16174 df_def_record_1, df_defs_record, df_uses_record,
16175 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16176 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16177 df_record_exit_block_uses, df_hard_reg_init): New functions.
16179 * df-problems.c: Seven concrete dataflow problems that use the
16180 scanning in df-scan.c and are solved by the engine in df-core.c.
16181 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16182 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16183 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16184 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16185 df_ru_free_bb_info, df_ru_alloc,
16186 df_ru_bb_local_compute_process_def,
16187 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16188 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16189 df_ru_transfer_function, df_ru_free, df_ru_dump,
16190 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16191 df_rd_free_bb_info, df_rd_alloc,
16192 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16193 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16194 df_rd_transfer_function, df_rd_free, df_rd_dump,
16195 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16196 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16197 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16198 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16199 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16200 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16201 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16202 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16203 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16204 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16205 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16206 df_urec_mark_reg_use_for_earlyclobber,
16207 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16208 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16209 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16210 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16211 df_chain_create_bb_process_use, df_chain_create_bb,
16212 df_chain_finalize, df_chain_free, df_chains_dump,
16213 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16214 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16215 df_reg_lifetime): New functions.
16216 * df.c: Deleted file.
16217 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16218 consistent with new df api.
16219 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16220 rest_of_handle_sms): Ditto.
16221 * web.c (unionfind_union, union_defs, entry_register, web_main):
16223 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16224 invariant_expr_equal_p, find_defs, check_dependencies,
16225 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16226 free_inv_motion_data, move_loop_invariants): Ditto.
16227 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16228 Update dependencies.
16229 (odf.c): Added defective entry that was deleted later in day.
16230 * sched-deps.c (sched_analyze_1): Ditto.
16232 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16234 * tree-ssa-operands.c (get_expr_operands): Record addressable
16235 variables directly. Do not call add_stmt_operands for CONST_DECLs
16237 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16238 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16240 2006-01-11 Ben Elliston <bje@au.ibm.com>
16242 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16243 function returns true in the positive case.
16245 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16248 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16249 for SI, DI, SF and DF modes. Add alternatives to copy between
16250 general and floating point registers to the 32-bit patterns.
16251 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16252 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16253 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16254 generating 64-bit code.
16255 * config/pa/pa.c (output_move_double): Handle copies between general
16256 and floating registers.
16258 2006-01-10 Stuart Hastings <stuart@apple.com>
16260 * config/i386/i386.md (set_got): Update.
16261 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16262 (builtin_setjmp_receiver): Mach-O support.
16263 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16264 (GOT_SYMBOL_NAME): Define.
16265 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16266 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16267 * config/i386/i386.c (override_options): Revise for Darwin.
16268 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16269 support. (darwin_x86_file_end): New. (output_set_got): Add label
16270 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16271 * config/i386/i386-protos.h (output_set_got): Likewise.
16272 * config/darwin.c (machopic_legitimize_pic_address): Update
16275 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16277 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16278 when MODE isn't BLKmode.
16280 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16282 PR rtl-optimization/25367
16283 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16285 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16288 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16289 for a negative bound.
16291 2006-01-10 Richard Guenther <rguenther@suse.de>
16293 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16294 Never override with anything constraint.
16296 2006-01-10 Jan Beulich <jbeulich@novell.com>
16298 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16299 256 bits when optimize_size.
16301 2006-01-10 Jan Beulich <jbeulich@novell.com>
16303 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16305 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16306 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16309 2006-01-10 Ben Elliston <bje@au.ibm.com>
16311 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16313 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16314 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16315 (USE_FP_FOR_ARG): Reject decimal float modes.
16316 (function_arg_advance): Likewise.
16317 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16318 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16319 point types in AltiVec vectors.
16320 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16321 (rs6000_libcall_value): Likewise.
16323 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16325 * config/xtensa/ieee754-df.S: New file.
16326 * config/xtensa/ieee754-sf.S: New file.
16327 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16328 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16329 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16331 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16333 * config/sh/predicates.md (binary_float_operator,
16334 binary_logical_operator, commutative_float_operator,
16335 equality_comparison_operator, greater_comparison_operator,
16336 less_comparison_operator, logical_operator,
16337 noncommutative_float_operator, shift_operator,
16338 symbol_ref_operand, unary_float_operator): Remove redundant
16341 2006-01-09 Jeff Law <law@redhat.com>
16343 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16344 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16345 now unused arguments. Callers updated.
16346 (eliminate_redundant_computations): Remove now unused arguments,
16348 (local_fold): Remove, no longer used.
16349 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16351 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16352 (simplify_cond): New function.
16353 (forward_propagate_into_cond): Call simplify_cond.
16355 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16357 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16358 (*vec_extractv2di_1_sse): New.
16360 2006-01-09 Ben Elliston <bje@au.ibm.com>
16362 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16364 2006-01-08 Richard Guenther <rguenther@suse.de>
16366 * tree-ssa-structalias.c (get_constraint_for): Remove
16367 anyoffset argument.
16368 (get_constraint_for_component_ref): Likewise.
16369 (do_deref): Likewise.
16370 (get_constraint_for): Likewise.
16371 (do_structure_copy): Likewise.
16372 (handle_ptr_arith): Likewise.
16373 (find_func_aliases): Likewise. Remove unused need_anyoffset
16376 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16377 Kaz Kojima <kkojima@gcc.gnu.org>
16379 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16380 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16381 (EXTRA_CONSTRAINT_C16): Remove.
16382 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16383 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16384 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16385 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16386 constants of SHmedia. Handle nested constant expressions of
16388 (andcosts): Fix the costs for SHmedia constants.
16389 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16390 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16391 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16392 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16393 (movv4hi_i, movv2si_i): Likewise.
16394 (movsi_const): Adjust the second operand of ior so to match with
16395 the Csu constraint.
16396 (movdi_const, movdi_const_32bit): Likewise.
16397 (movdi_const_16bit+1): Don't sign-extend LOW.
16398 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16400 (*double_shori): Fix the split condition. Use GEN_INT instead
16401 of get_int_mode calls. Mask lower 16-bit of the argument of
16403 (sym2GOTPLT): Remove.
16404 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16406 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16407 instead of EXTRA_CONSTRAINT_C16.
16409 2006-01-07 Ian Lance Taylor <ian@airs.com>
16410 David Edelsohn <edelsohn@gnu.org>
16412 PR rtl-optimization/25662
16413 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16414 for constant operands instead of simplify_gen_binary.
16415 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16416 after trying simplify_binary_operation
16418 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16420 * tree.c (iterative_hash_expr): Hash decls based on UID.
16422 2006-01-06 Eric Christopher <echristo@apple.com>
16424 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16425 (TARGET_UNWIND_EMIT): Fix spelling.
16426 * target.h (gcc_target): Add except_table_label.
16427 * except.c (output_function_exception_table): Use.
16428 * varasm.c (default_emit_except_table_label): New.
16429 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16431 (asm_out): Add here.
16432 * output.h (default_emit_except_table_label): Prototype.
16433 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16434 * config/darwin.c (darwin_emit_except_table_label): Define.
16435 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16437 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16439 PR tree-optimization/18527
16440 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16441 number_of_iterations_special, number_of_iterations_exit):
16442 Move base and step of an iv to a single structure. Add
16443 no_overflow flag, and use it in # of iterations analysis.
16444 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16445 folded_casts argument.
16446 (simple_iv): Pass base and step in a structure. Set no_overflow
16448 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16449 Evaluate expensiveness of computing # of iterations instead of
16450 the final expression.
16451 * tree-scalar-evolution.h (affine_iv): New structure.
16452 (simple_iv): Declaration changed.
16453 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16454 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16455 find_givs_in_stmt): Changed due to simple_iv change.
16457 2006-01-06 Jeff Law <law@redhat.com>
16460 * tree-cfg.c (bsi_replace): Rename final argument from
16461 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16462 change (stmt -> orig_stmt).
16463 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16464 (bsi_remove): Add new argument. Remove EH information
16466 (verify_eh_throw_table_statements): New function.
16467 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16469 * tree-optimize.c (execute_free_cfg_annotations): Verify
16470 the EH throw statement table after removing annotations.
16471 * except.h (verify_eh_throw_table_statements): Prototype.
16472 * tree-flow.h (bsi_remove): Update prototype.
16473 * tree-vrp.c (remove_range_assertions): Add new argument to
16475 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16476 * tree-complex.c (expand_complex_div_wide): Likewise.
16477 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16478 * tree-tailcall.c (eliminate_tailcall): Likewise.
16479 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16480 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16481 * tree-nrv.c (tree_nrv): Likewise.
16482 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16483 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16484 (combine_blocks): Likewise.
16485 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16486 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16487 (cleanup_control_flow): Likewise.
16488 (remove_forwarder_block): Likewise.
16489 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16490 * tree-sra.c (sra_replace): Likewise.
16491 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16492 (forward_propagate_single_use_vars): Likewise.
16493 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16494 * tree-inline.c (expand_call_inline): Likewise.
16495 * tree-vect-transform.c (vect_transform_loop): Likewise.
16496 * tree-outof-ssa.c (rewrite_trees): Likewise.
16497 * tree-cfg.c (make_goto_expr_edges): Likewise.
16498 (cleanup_dead_labels): Likewise.
16499 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16500 (bsi_move_before, bsi_move_after): Likewise.
16501 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16502 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16504 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16507 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16509 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16510 on non gimple variables. Also add checks at the top for decls and
16512 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16514 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16515 and IMAGPART_EXPR for creating MUST_DEFs.
16516 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16517 and NAME_MEMORY_TAG separately from the DECLs.
16519 2006-01-06 Richard Guenther <rguenther@suse.de>
16521 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16522 annotation, if necessary.
16523 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16524 redundant calls to update_stmt.
16525 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16528 2006-01-05 Richard Henderson <rth@redhat.com>
16530 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16532 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16534 * c-typeck.c: Update copyright date.
16536 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16538 * c-typeck.c (build_c_cast): Always warn when casting
16539 from a pointer to an integer of different size, even if
16540 the node was constant.
16542 2006-01-05 Richard Guenther <rguenther@suse.de>
16544 PR tree-optimization/22555
16545 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16546 if one structure field is an array.
16547 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16548 operands even if we found a subvar, but ignore VOPs in this
16550 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16552 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16554 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16556 PR middle-end/24998
16557 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16559 2006-01-05 Richard Guenther <rguenther@suse.de>
16560 Diego Novillo <dnovillo@redhat.com>
16562 * tree-pass.h (TODO_remove_unused_locals): Define.
16563 * gimple-low.c (expand_var_p, remove_useless_vars,
16564 pass_remove_useless_vars): Remove. Update all users.
16565 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16566 (remove_unused_locals): New function.
16567 * tree-flow.h (remove_unused_locals): Declare.
16568 * passes.c (execute_todo): Call remove_unused_locals if
16569 TODO_remove_unused_locals is set.
16570 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16571 * tree-ssa-dce.c (pass_dce): Likewise.
16572 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16574 2006-01-05 Richard Guenther <rguenther@suse.de>
16576 * tree-flow.h (struct fieldoff): Decompose field to
16577 type, size and decl.
16578 * tree-ssa-alias.c (create_sft): Take type as parameter.
16579 (create_overlap_variables_for): Store type, size and decl
16580 in the fieldoff structure.
16581 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16582 of struct fieldoff.
16583 (push_fields_onto_fieldstack): Likewise.
16584 (create_variable_info_for): Likewise. Use offset for the
16585 SFT name if the decl is not available.
16587 2006-01-04 Paul Brook <paul@codesourcery.com>
16589 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16591 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16593 * lambda-code.c (can_put_in_inner_loop): Relax
16595 (can_put_after_inner_loop): New function.
16596 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16597 (perfect_nestify): Change to make copies and modify uses.
16599 2006-01-04 Richard Henderson <rth@redhat.com>
16601 Merge from gomp branch:
16602 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16603 via integer constant.
16604 (pragma_lex): Remove.
16605 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16606 rather than parsing it.
16607 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16608 handle_pragma_extern_prefix): Add %< %> quotes.
16609 (registered_pragmas): New.
16610 (c_register_pragma_1): New.
16611 (c_register_pragma): Use it.
16612 (c_register_pragma_with_expansion): Likewise.
16613 (c_invoke_pragma_handler): New.
16614 (init_pragma): Use cpp_register_deferred_pragma directly for
16616 * c-pragma.h (enum pragma_kind): New.
16617 (pragma_handler): New.
16618 (c_invoke_pragma_handler): Declare.
16619 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16621 * c-common.h (c_common_pch_pragma): Update decl.
16622 * Makefile.in (c-parser.o): Update dependencies.
16623 (GTFILES): Add c-pragma.h.
16624 * c-parser.c (struct c_token): Add pragma_kind.
16625 (struct c_parser): Add in_pragma.
16626 (c_lex_one_token): Always initialize keyword and pragma_kind.
16627 Extract data for CPP_PRAGMA.
16628 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16629 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16630 Don't allow CPP_PRAGMA_EOL if in_pragma.
16631 (c_parser_consume_pragma): New.
16632 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16633 (c_parser_skip_to_end_of_parameter): Likewise.
16634 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16635 (c_parser_skip_to_pragma_eol): New.
16636 (c_parser_external_declaration): Handle CPP_PRAGMA.
16637 (c_parser_compound_statement_nostart): Likewise.
16638 (c_parser_statement_after_labels): Likewise.
16639 (c_parser_pragma): New.
16640 (pragma_lex): Likewise.
16641 (c_parser_pragma_pch_preprocess): New.
16642 (c_parser_new): Merge into ...
16643 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16645 2006-01-04 Jeff Law <law@redhat.com>
16648 * tree-cfg.c (bsi_replace): Remove the original statement
16649 from the EH throw statement table.
16651 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16653 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16654 make the prototype extern "C" and add throw ().
16657 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16658 and pos non-negative and pos + len <= 32.
16659 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16660 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16661 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16664 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16665 as well as sizes not multiple of component size.
16668 * function.c (instantiate_expr): New function.
16669 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16670 walk its DECL_VALUE_EXPR with instantiate_expr.
16672 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16673 DW_OP_deref{,_size} if address isn't going to be added.
16675 2006-01-04 Ben Elliston <bje@au.ibm.com>
16677 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16678 * config/fp-bit.c: Likewise.
16680 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16682 * dominance.c: Add comment about why we use DFS numbering
16685 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16686 Richard Henderson <rth@redhat.com>
16688 Merge from gomp-branch:
16689 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16690 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16692 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16694 PR rtl-optimization/25578
16695 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16696 pass a parameter to simplify_shift_const if changing ASHIFTRT
16699 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16701 * builtins.c (get_builtin_sync_mem): New function.
16702 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16703 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16704 Call get_builtin_sync_mem to generate mem rtx.
16706 2006-01-03 Richard Guenther <rguenther@suse.de>
16709 * stmt.c (add_case_node): Make sure to clear overflow flags
16712 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16714 Merge from gomp-branch.
16715 * config/sparc/sync.md: New file.
16716 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16717 UNSPECV_LDSTUB): New constants.
16718 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16719 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16720 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16723 2006-01-03 Roger Sayle <roger@eyesopen.com>
16725 * combine.c (reg_subword_p): New predicate to test whether the
16726 destination of a set refers to a subword/piece of a register.
16727 (try_combine): Generalize the code to merge the setting of a
16728 pseudo to a constant followed by a set of a subword of that
16729 register to a constant.
16731 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16733 * basic-block.h (control_flow_graph): Change the type of
16734 x_label_to_block_map to VEC(basic_block,gc) *.
16735 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16736 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16738 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16739 VEC(basic_block,heap) *.
16740 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16741 ssa_prop_fini): Adjust the uses of cfg_blocks.
16743 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16745 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16747 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16748 hashing trees instead of a pointer hash.
16749 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16750 compare for MEM_EXPR.
16752 PR rtl-optimization/25130
16753 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16754 when comparing MEMs for GCSE
16756 2006-01-03 Ben Elliston <bje@au.ibm.com>
16758 * targhooks.h (default_decimal_float_supported_p): Declare.
16759 * targhooks.c (default_decimal_float_supported_p): Define.
16760 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16761 `default_decimal_float_supported_p'.
16762 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16764 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16766 * combine.c (apply_distributive_law <SUBREG>): Check
16767 TRULY_NOOP_TRUNCATION.
16769 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16771 * dwarf2out.c (have_switched_text_section): Delete.
16772 (have_multiple_function_sections): New.
16773 (have_location_lists): Make 'bool'.
16774 (add_AT_loc_list): Use 'true' not '1'.
16775 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16776 (output_loc_list): Use have_multiple_function_sections.
16777 (output_ranges): Likewise.
16778 (dwarf2out_begin_function): Set have_multiple_function_sections if
16780 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16781 Check function_section rather than DECL_SECTION_NAME.
16782 (dwarf2out_finish): Use have_multiple_function_sections.
16783 Don't clear have_location_lists.
16785 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16786 Jan Hubicka <jh@suse.cz>
16788 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16789 case of conditional jump jumping to the next instruction.
16790 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16791 cases of conditional jump jumping to the next instruction.
16793 2006-01-02 Jan Hubicka <jh@suse.cz>
16795 * i386.c (*_cost): Add COSTS_N_INSNS.
16796 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16798 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16801 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16803 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16805 * config/arm/arm.c (all_fpus): Fix comment typo.
16806 * config/darwin.c: Likewise.
16807 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16808 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16809 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16811 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16813 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16814 (rs6000_split_compare_and_swapqhi): New.
16815 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16816 (sync_compare_and_swapqhi_internal): New.
16817 * config/rs6000/rs6000-protos.h: Declare.