1 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
5 (fold_builtin_pow): Evaluate constant arguments at compile-time
7 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
8 (do_mpfr_ckconv): New helper function.
9 (do_mpfr_arg1): Use do_mpfr_ckconv.
12 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
15 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
16 (-fdump-rtl-sched): Rename to ..
17 (-fdump-rtl-sched1): here. Also fix file extension number.
19 2006-10-28 Richard Guenther <rguenther@suse.de>
21 * fold-const.c (maybe_canonicalize_comparison): Fix code
24 2006-10-28 Uros Bizjak <uros@kss-loka.si>
26 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
27 (NON_QI_REG_P): Use IN_RANGE.
28 (REX_INT_REGNO_P): Use IN_RANGE.
29 (FP_REGNO_P): Use IN_RANGE.
30 (SSE_REGNO_P): Use IN_RANGE.
31 (REX_SSE_REGNO_P): Use IN_RANGE.
32 (MMX_REGNO_P): Use IN_RANGE.
33 (STACK_REGNO_P): New macro.
34 (STACK_REG_P): Use STACK_REGNO_P.
35 (NON_STACK_REG_P): Use STACK_REGNO_P.
36 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
37 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
38 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
39 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
40 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
42 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
44 * except.h (output_function_exception_table): Add 'const char*' param.
45 * except.c (switch_to_exception_section): Add 'const char*' param.
46 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
47 and flag_function_sections is set, use a function-specific section.
48 (output_function_exception_table): Add 'const char*' param.
49 Adjust call to switch_to_exception_section.
50 * final.c (rest_of_handle_final): Adjust calls to
51 output_function_exception_table.
52 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
53 * config.in: Regenerate.
54 * configure: Likewise.
56 2006-10-28 Richard Guenther <rguenther@suse.de>
59 * fold-const.c (maybe_canonicalize_comparison_1): Helper
60 for maybe_canonicalize_comparison.
61 (maybe_canonicalize_comparison): New function for canonicalizing
63 (fold_comparison): Call it to canonicalize comparisons with
66 2006-10-28 Richard Guenther <rguenther@suse.de>
69 * builtins.c (expand_builtin_int_roundingfn_2): Expand
70 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
71 (expand_builtin): Adjust likewise.
72 * genopinit.c (optabs[]): Add lround optab.
73 * optabs.c (init_optabs): Initialize lround_optab.
74 * optabs.h (enum convert_optab_index): Add COI_lround.
75 (lround_optab): Define.
76 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
77 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
79 (ix86_expand_lround): New function.
80 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
82 * doc/md.texi (lroundMN2): Document.
84 2006-10-28 Uros Bizjak <uros@kss-loka.si>
87 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
88 argument to HOST_WIDE_INT. Update function prototype.
89 (round_frame_size): Change return type to HOST_WIDE_INT. Change
90 "size" argument to HOST_WIDE_INT. Update function prototype.
92 2006-10-28 Uros Bizjak <uros@kss-loka.si>
94 * config/i386/i386.c (output_387_ffreep): Create output from a
95 template string for !HAVE_AS_IX86_FFREEP.
97 2006-10-27 Eric Christopher <echristo@apple.com>
99 * config/darwin.c: Fix formatting and grammar.
101 2006-10-27 Jan Hubicka <jh@suse.cz>
103 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
104 to be thrown away soon when IGNORE is set.
105 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
106 indicating when return value shall not be computed.
107 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
109 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
111 * config/i386/i386.h (TARGET_GEODE):
112 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
113 (TARGET_CPU_DEFAULT_geode): New macro.
114 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
115 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
116 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
117 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
118 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
120 (TARGET_CPU_DEFAULT_NAMES): Add geode.
121 (processor_type): Add PROCESSOR_GEODE.
123 * config/i386/i386.md: Include geode.md.
126 * config/i386/i386.c (geode_cost): New initialized global
128 (m_GEODE, m_K6_GEODE): New macros.
129 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
130 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
131 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
132 x86_schedule): Use m_K6_GEODE instead of m_K6.
133 (x86_movx, x86_cmove): Set up m_GEODE.
134 (x86_integer_DFmode_moves): Clear m_GEODE.
135 (processor_target_table): Add entry for geode.
136 (processor_alias_table): Ditto.
138 * config/i386/geode.md: New file.
140 * doc/invoke.texi: Add entry about geode processor.
142 2006-10-27 Mike Stump <mrs@apple.com>
144 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
145 __DYNAMIC__ from here back to ...
146 * config/darwin.h (CPP_SPEC): ... here.
148 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
149 Nathan Sidwell <nathan@codesourcery.com>
151 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
152 when choosing the minimum heapsize.
154 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
156 * gcc/unwind-dw2.h: Move cfa-related variables into
157 struct frame_state_reg_info to ensure that the CFA is properly
158 handled when executing DW_CFA_{remember,restore}_state.
159 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
160 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
161 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
162 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
163 gcc/config/rs6000/linux-unwind.h,
164 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
165 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
166 Modify to use new cfa_* fields.
168 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
170 * config/s390/s390.c (s390_init_frame_layout): Check positive
173 2006-10-26 Ben Elliston <bje@au.ibm.com>
175 * gimplify.c (get_name): Remove extraneous break.
176 (gimplify_omp_for): Initialise ret with GS_OK.
178 2006-10-25 Steve Ellcey <sje@cup.hp.com>
180 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
181 Add unix98.o to link line.
183 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
186 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
187 Calculate compile-time constants using MPFR.
188 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
189 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
191 2006-10-25 Bob Wilson <bob.wilson@acm.org>
193 * config/xtensa/lib2funcs.S: Use C-style comments.
195 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
197 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
198 (file_table_relative_p): Likewise.
199 (dwarf2out_finish): Likewise.
200 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
202 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
204 * tree-ssa-structalias.c (intra_create_variable_infos):
205 Don't recreate nonlocal_all if it already exists.
207 2006-10-25 Richard Guenther <rguenther@suse.de>
210 * optabs.h (enum optab_index): Remove OTI_lrint.
211 (enum convert_optab_index): Add COI_lrint.
212 (lrint_optab): Adjust.
213 (expand_sfix_optab): Declare.
214 * optabs.c (expand_sfix_optab): New function.
215 (init_optabs): Init lrint_optab as conversion optab.
216 * genopinit.c (lrint_optab): Change to a conversion optab.
217 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
218 expansion via conversion optab.
219 * config/i386/i386.md (*fistdi2_1): Remove
220 flag_unsafe_math_optimizations guard.
221 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
222 fist<mode>2_with_temp): Likewise.
223 (lrint<mode>2): Split into...
224 (lrintxf<mode>2): ... x87 part
225 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
226 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
227 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
228 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
229 * doc/md.texi (lrintMN2): Document.
231 2006-10-25 Uros Bizjak <uros@kss-loka.si>
234 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
235 Use inc and dec instructions for TARGET_USE_INCDEC.
236 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
237 ("sync_double_compare_and_swap<mode>"): Likewise.
238 ("*sync_double_compare_and_swapdi_pic"): Likewise.
239 ("*sync_compare_and_swap_cc<mode>"): Likewise.
240 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
241 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
242 ("sync_old_add<mode>"): Likewise.
243 ("sync_lock_test_and_set<mode>"): Likewise.
244 ("sync_lock_test_and_set<mode>"): Likewise.
245 ("sync_add<mode>"): Likewise.
246 ("sync_sub<mode>"): Likewise.
247 ("sync_ior<mode>"): Likewise.
248 ("sync_and<mode>"): Likewise.
249 ("sync_xor<mode>"): Likewise.
251 2006-10-25 Uros Bizjak <uros@kss-loka.si>
253 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
254 (remainder_optab): Define corresponding macro.
255 (drem_optab): Remove.
256 * optabs.c (init_optabs): Initialize remainder_optab. Remove
257 drem_optab initialization.
258 * genopinit.c (optabs): Implement remainder_optab using
259 remainder?f3 patterns. Remove drem_optab.
260 * builtins.c (expand_builtin_mathfn_2): Handle
261 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
262 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
263 expand_builtin_mathfn_2.
265 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
266 depend on flag_unsafe_math_optimizations.
268 * config/i386/i386.md ("remaindersf3", "remainderdf3")
269 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
270 Do not depend on flag_unsafe_math_optimizations. Use
271 truncxf?f expander instead of truncxf?f_i387_noop.
273 ("fpremxf4", "fprem1xf4"): Do not depend on
274 flag_unsafe_math_optimizations.
275 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
276 flag_unsafe_math_optimizations. Use truncxf?f expander
277 instead of truncxf?f_i387_noop.
279 * doc/md.texi (fmod, remainder): Document standard named pattern.
281 2006-10-24 Richard Sandiford <richard@codesourcery.com>
282 David Daney <ddaney@avtrex.com>
285 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
287 2006-10-25 Ben Elliston <bje@au.ibm.com>
289 * doc/extend.texi (Variable Attributes): Typo fix.
291 2006-10-24 Uros Bizjak <uros@kss-loka.si>
293 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
294 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
295 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
296 (FRAME_POINTER_REGNUM): Update register number to 21.
297 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
298 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
300 * config/i386/i386.c (regclass_map): Add fpcr entry.
301 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
303 (print_reg): Assert REGNO (x) != FPCR_REG.
305 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
306 (DIRFLAG_REG): Renumber.
307 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
308 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
309 (sse_prologue_save, *sse_prologue_save_insn): Renumber
310 hardcoded SSE register numbers.
312 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
313 hardcoded MMX register numbers.
315 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
318 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
319 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
321 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
322 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
323 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
324 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
326 2006-10-24 Richard Guenther <rguenther@suse.de>
329 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
330 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
331 for deciding optimizations in consistency with fold-const.c
332 (fold_builtin_unordered_cmp): Likewise.
334 2006-10-24 Richard Guenther <rguenther@suse.de>
336 * builtins.c (fold_builtin_floor): Fold floor (x) where
337 x is nonnegative to trunc (x).
338 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
339 nonnegative to FIX_TRUNC_EXPR.
341 2006-10-24 Richard Guenther <rguenther@suse.de>
343 PR tree-optimization/29567
344 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
345 for TRUTH_NOT_EXPR. Clarify comments.
347 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
350 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
351 at compile-time using MPFR. Change parameter VALUE to FUNC,
353 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
354 for overflow and underflow at all times and avoid folding in
357 2006-10-24 Ben Elliston <bje@au.ibm.com>
359 * reload1.c: Formatting fixes.
361 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
363 PR tree-optimization/14784
364 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
365 * tree-ssa-structalias.c (get_constraint_for,
366 intra_create_variable_infos): Set is_heapvar.
367 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
368 non-heapvar pointer variables specially.
370 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
373 * builtins.c (fold_builtin_sin, fold_builtin_cos,
374 fold_builtin_tan): Fold all constant arguments. Take a "type"
375 argument as necessary.
377 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
379 2006-10-23 Bob Wilson <bob.wilson@acm.org>
381 * config/xtensa/lib1funcs.asm: Use C-style comments.
383 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
385 * tree.c (local_define_builtin): Replace calls to
386 lang_hooks.builtin_function with add_builtin_function.
387 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
389 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
391 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
392 common code to add_builtin_function.
393 * langhooks.c (add_builtin_function): New function.
394 (lhd_builtin_function): New function.
395 * langhooks.h (struct lang_hooks): Change the signature of
397 (add_builtin_function): New function.
398 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
399 calls to lang_hooks.builtin_function with add_builtin_function.
400 * c-common.c (decl_builtin_1): Replace calls to
401 lang_hooks.builtin_function with add_builtin_function.
402 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
403 lang_hooks.builtin_function with add_builtin_function.
404 * config/frv/frv.c (def_builtin): Replace calls to
405 lang_hooks.builtin_function with add_builtin_function.
406 * config/s390/s390.c (s390_init_builtins): Replace calls to
407 lang_hooks.builtin_function with add_builtin_function.
408 * config/sparc/sparc.c (def_builtin): Replace calls to
409 lang_hooks.builtin_function with add_builtin_function.
410 * config/i386/i386.c (def_builtin): Replace calls to
411 lang_hooks.builtin_function with add_builtin_function.
412 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
413 lang_hooks.builtin_function with add_builtin_function.
414 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
415 lang_hooks.builtin_function with add_builtin_function.
416 * config/stormy16/stormy16.c (xstormy16_init_builtins):
417 Replace calls to lang_hooks.builtin_function with
418 add_builtin_function.
419 * config/iq2000/iq2000.c (def_builtin):
420 Replace calls to lang_hooks.builtin_function with
421 add_builtin_function.
422 * config/ia64/ia64.c (def_builtin): Replace calls to
423 lang_hooks.builtin_function with add_builtin_function.
424 * config/rs6000/rs6000.c (def_builtin): Replace calls to
425 lang_hooks.builtin_function with add_builtin_function.
426 (altivec_init_builtins): Replace calls to
427 lang_hooks.builtin_function with add_builtin_function.
428 * config/arm/arm.c (def_mbuiltin): Replace calls to
429 lang_hooks.builtin_function with add_builtin_function.
430 (arm_init_tls_builtins): Replace calls to
431 lang_hooks.builtin_function with add_builtin_function.
432 * config/mips/mips.c (mips_init_builtins): Replace calls to
433 lang_hooks.builtin_function with add_builtin_function.
434 * config/bfin/bfin.c (def_builtin): Replace calls to
435 lang_hooks.builtin_function with add_builtin_function.
436 * langhooks-def.h (lhd_builtin_function): New function.
437 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
439 2006-10-23 Jakub Jelinek <jakub@redhat.com>
441 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
442 BUILT_IN_STRNCAT_CHK.
444 2006-10-23 Jan Hubicka <jh@suse.cz>
446 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
447 don't do conversion from memmove to memcpy here.
448 (expand_builtin_bcopy, expand_builtin): Update call of
449 expand_builtin_memmove.
450 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
452 2006-10-23 Paul Brook <paul@codesourcery.com>
454 * stor-layout.c (start_record_layout): maximum_field_alignment
455 overrides STRUCTURE_SIZE_BOUNDARY.
457 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
459 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
460 nonlocal function symbols if flag_pic.
462 2006-10-23 Richard Guenther <rguenther@suse.de>
466 * builtins.c (fold_binary): Remove checks for flag_wrapv
467 and flag_trapv where negate_expr_p covers these cases.
469 2006-10-23 Richard Guenther <rguenther@suse.de>
472 * fold-const.c (fold_plusminus_mult_expr): Check exact power
473 of two on the absolute value.
474 (fold_binary): Fold x * -C to -x * C if x is easily negatable
475 and negating -C does not overflow.
477 2006-10-23 Richard Guenther <rguenther@suse.de>
480 * convert.c (convert_to_real): Fold (float)-x to -(float)x
481 only if not flag_rounding_math.
483 2006-10-22 Richard Sandiford <richard@codesourcery.com>
484 Kaz Kojima <kkojima@gcc.gnu.org>
487 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
488 SImode memory reference for the source of a movua.
489 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
490 (movua): Use an unspec instead of sign_extract. Expect the source
491 to have mode BLKmode.
492 (extv, insv): Use a BLKmode rather than SImode memory reference
493 for the source of a movua.
495 2006-10-22 Jeff Law <law@redhat.com>
496 Richard Guenther <rguenther@suse.de>
498 PR tree-optimization/15911
499 * tree-vrp.c (extract_code_and_val_from_cond): New function.
500 (register_edge_assert_for_1): Likewise.
501 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
502 (find_conditional_asserts): Adjust for new function signature.
503 (find_assert_locations): Likewise.
505 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
507 * config/i386/tmmintrin.h: Remove the duplicated content.
509 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
511 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
512 (x86_64-*-*): Likewise.
514 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
515 (override_options): Check SSSE3.
516 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
517 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
518 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
519 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
520 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
521 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
522 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
523 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
524 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
525 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
526 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
527 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
528 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
529 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
530 IX86_BUILTIN_PABSD128.
531 (bdesc_2arg): Add SSSE3.
532 (bdesc_1arg): Likewise.
533 (ix86_init_mmx_sse_builtins): Support SSSE3.
534 (ix86_expand_builtin): Likewise.
535 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
537 * config/i386/i386.md (UNSPEC_PSHUFB): New.
538 (UNSPEC_PSIGN): Likewise.
539 (UNSPEC_PALIGNR): Likewise.
540 Include mmx.md before sse.md.
542 * config/i386/i386.opt: Add -mssse3.
544 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
545 (ssse3_phaddwv4hi3): Likewise.
546 (ssse3_phadddv4si3): Likewise.
547 (ssse3_phadddv2si3): Likewise.
548 (ssse3_phaddswv8hi3): Likewise.
549 (ssse3_phaddswv4hi3): Likewise.
550 (ssse3_phsubwv8hi3): Likewise.
551 (ssse3_phsubwv4hi3): Likewise.
552 (ssse3_phsubdv4si3): Likewise.
553 (ssse3_phsubdv2si3): Likewise.
554 (ssse3_phsubswv8hi3): Likewise.
555 (ssse3_phsubswv4hi3): Likewise.
556 (ssse3_pmaddubswv8hi3): Likewise.
557 (ssse3_pmaddubswv4hi3): Likewise.
558 (ssse3_pmulhrswv8hi3): Likewise.
559 (ssse3_pmulhrswv4hi3): Likewise.
560 (ssse3_pshufbv16qi3): Likewise.
561 (ssse3_pshufbv8qi3): Likewise.
562 (ssse3_psign<mode>3): Likewise.
563 (ssse3_psign<mode>3): Likewise.
564 (ssse3_palignrti): Likewise.
565 (ssse3_palignrdi): Likewise.
566 (abs<mode>2): Likewise.
567 (abs<mode>2): Likewise.
569 * config/i386/tmmintrin.h: New file.
571 * doc/extend.texi: Document SSSE3 built-in functions.
573 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
575 2006-10-22 Ira Rosen <irar@il.ibm.com>
577 * tree-vect-transform.c (vectorizable_load): Use the type of the
578 return value of the mask_for_load builtin to create realign_load
581 2006-10-22 Richard Sandiford <richard@codesourcery.com>
583 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
586 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
588 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
589 (UNSPEC_LDDQU): This.
590 * config/i386/sse.md (sse3_lddqu): Updated.
592 2006-10-21 Richard Guenther <rguenther@suse.de>
594 * builtins.c (expand_builtin_int_roundingfn_2): New function.
595 (expand_builtin): Use it to expand lrint instead of
596 expand_builtin_mathfn.
598 2006-10-21 Uros Bizjak <uros@kss-loka.si>
601 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
602 flag_unsafe_math_optimizations is set.
604 2006-10-21 Uros Bizjak <uros@kss-loka.si>
607 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
608 patterns to use memory input operand in x87->mem->XMM
609 reload sequences. Skip transformation for TARGET_K8.
611 2006-10-21 Uros Bizjak <uros@kss-loka.si>
613 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
614 force operand1 to register if both operands are memory operands.
615 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
616 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
617 if both operands are memory operands.
618 (truncdfsf2): Do not force operand1 to register if both operands
621 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
623 * Makefile.in (LIBS): Add $(GMPLIBS).
624 * doc/install.texi: Update GMP and MPFR requirements.
625 * doc/sourcebuild.texi (need_gmp): Delete.
627 2006-10-21 Richard Guenther <rguenther@suse.de>
629 PR tree-optimization/3511
630 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
631 got new invariant arguments during PHI translation.
633 2006-10-21 Richard Guenther <rguenther@suse.de>
636 * fold-const.c (fold_comparison): Fold signed comparisons
637 of the form X +- C1 CMP Y +- C2.
639 2006-10-21 Richard Guenther <rguenther@suse.de>
642 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
643 if flag_unsafe_math_optimizations is specified. We have
644 flag_finite_math_only for that.
645 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
646 or flag_unsafe_math_optimizations.
648 2006-10-21 Richard Guenther <rguenther@suse.de>
650 * builtins.c (fold_builtin_classify): Fix typo.
652 2006-10-21 Richard Guenther <rguenther@suse.de>
655 * simplify-rtx.c (simplify_const_relational_operation):
656 Do not constant-fold ORDERED and UNORDERED for
657 flag_unsafe_math_optimizations but only we do not need to
658 honor NaNs for the given mode.
660 2006-10-21 Richard Guenther <rguenther@suse.de>
663 * config/i386/i386.c (classify_argument): Remove redundant
664 walking of the BINFOs.
665 (contains_128bit_aligned_vector_p): Likewise.
667 2006-10-20 Mark Mitchell <mark@codesourcery.com>
669 * BASE-VER: Set to 4.3.0.
671 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
673 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
674 (tree_decl_with_vis): Remove artificial_pta_var flag.
675 * tree-flow.h (referenced_var_check_and_insert): Expose.
676 (nonlocal_all): New prototype.
677 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
678 (nonlocal_all): Make global.
679 (nonlocal_lookup): Remove.
680 (nonlocal_insert): Ditto.
681 (create_nonlocal_var): Do not call nonlocal_insert.
682 (get_nonlocal_id_for_type): Remove.
683 (find_global_initializers): Mark new vars we find for renaming.
684 (intra_create_variable_infos): Only create one nonlocal.
685 (expand_nonlocal_solutions): Remove.
686 (compute_points_to_sets): Don't call it.
687 (ipa_pta_execute): Ditto.
688 (init_alias_heapvars): Don't create nonlocal_for_type.
689 (delete_alias_heapvars): Don't remove it.
690 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
693 2006-10-19 Brooks Moses <bmoses@stanford.edu>
695 * doc/install.texi (Downloading GCC): Clarify mention of
696 Fortran in the "full distribution" description.
698 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
700 Fix PR tree-optimization/28778
701 Fix PR tree-optimization/29156
702 Fix PR tree-optimization/29415
703 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
704 (tree_decl_with_vis): Add artificial_pta_var flag.
705 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
707 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
708 (nonlocal_all): Ditto.
709 (struct variable_info): Add directly_dereferenced member.
710 (var_escaped_vars): New variable.
711 (escaped_vars_tree): Ditto.
712 (escaped_vars_id): Ditto.
713 (nonlocal_vars_id): Ditto.
714 (new_var_info): Set directly_dereferenced.
715 (graph_size): New variable
716 (build_constraint_graph): Use graph_size.
717 (solve_graph): Don't process constraints that cannot change the
718 solution, don't try to propagate an empty solution to our
720 (process_constraint): Set directly_dereferenced.
721 (could_have_pointers): New function.
722 (get_constraint_for_component_ref): Don't process STRING_CST.
723 (nonlocal_lookup): New function.
724 (nonlocal_insert): Ditto.
725 (create_nonlocal_var): Ditto.
726 (get_nonlocal_id_for_type): Ditto.
727 (get_constraint_for): Allow results vector to be empty in the case
729 Handle results of calls properly.
730 (update_alias_info): Update alias info stats on number and type of
732 (find_func_aliases): Use could_have_pointers.
733 (make_constraint_from_escaped): Renamed from
734 make_constraint_to_anything, and changed to make constraints from
736 (make_constraint_to_escaped): New function.
737 (find_global_initializers): Ditto.
738 (create_variable_info_for): Make constraint from escaped to any
739 global variable, and from any global variable to the set of
741 (intra_create_variable_infos): Deal with escaped instead of
742 pointing to anything.
743 (set_uids_in_ptset): Do type pruning on directly dereferenced
745 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
746 (init_base_vars): Fix comment, and initialize escaped_vars.
747 (need_to_solve): Removed.
748 (find_escape_constraints): New function.
749 (expand_nonlocal_solutions): Ditto.
750 (compute_points_to_sets): Call find_escape_constraints and
751 expand_nonlocal_solutions.
752 (delete_points_to_sets): Don't fall off the end of the graph.
753 (init_alias_heapvars): Initialize nonlocal_for_type and
755 (delete_alias_heapvars): Free nonlocal_for_type and null out
758 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
760 * fold-const.c (add_double): Rename to add_double_with_sign.
761 Add 'unsigned_p' parameter and take it into account for the overflow.
762 (mul_double): Rename to mul_double_with_sign.
763 Add 'unsigned_p' parameter and take it into account for the overflow.
764 (fold_div_compare): Call add_double_with_sign instead of add_double
765 and mul_double_with_sign instead of mul_double, passing them the
766 unsignedness of the type.
767 * tree.h (add_double): Macroize.
768 (add_double_with_sign): New prototype.
769 (mul_double): Macroize.
770 (mul_double_with_sign): New prototype.
772 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
774 * config/score/crti.asm: New file.
775 * config/score/crtn.asm: New file.
776 * config/score/elf.h: New file.
777 * config/score/mac.md: New file.
778 * config/score/misc.md: New file.
779 * config/score/mul-div.S: New file.
780 * config/score/predicates.md: New file.
781 * config/score/score7.md: New file.
782 * config/score/score.c: New file.
783 * config/score/score-conv.h: New file.
784 * config/score/score.h: New file.
785 * config/score/score.md: New file.
786 * config/score/score-mdaux.c: New file.
787 * config/score/score-mdaux.h: New file.
788 * config/score/score-modes.def: New file.
789 * config/score/score.opt: New file.
790 * config/score/score-protos.h: New file.
791 * config/score/score-version.h: New file.
792 * config/score/t-score-elf: New file.
793 * config.gcc: Add score*-*-* configurations(Update before).
794 * doc/invoke.texi (Score Options): New section.
795 * doc/md.texi (Score family): New section to document constraints.
797 2006-10-19 Nick Clifton <nickc@redhat.com>
799 * config/arm/arm.c: Fix spelling typo.
801 2006-10-18 Tom Tromey <tromey@redhat.com>
803 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
805 2006-10-18 Jan Hubicka <jh@suse.cz>
808 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
811 2006-10-18 Marcin Dalecki <martin@dalecki.de>
813 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
814 TSI_SAME_STMT, since that's the desired entity.
816 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
818 * config/s390/contraints.md: New file.
819 * config/s390/s390-protos.h (s390_mem_constraint,
820 s390_O_constraint_str, s390_N_constraint_str,
821 s390_float_const_zero_p): Function prototypes added.
822 * config/s390/s390.c (s390_extra_constraint_str,
823 s390_const_double_ok_for_constraint_p,
824 s390_const_ok_for_constraint_p): Functions removed.
825 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
826 s390_float_const_zero_p): New functions.
827 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
828 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
829 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
830 Macro definitions removed.
831 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
832 s390_extra_constraint_str): Functions removed.
834 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
835 Richard Sandiford <richard@codesourcery.com>
838 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
839 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
841 2006-10-16 Geoffrey Keating <geoffk@apple.com>
843 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
844 (DWARF2_FRAME_REG_OUT): Likewise.
845 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
846 (DWARF2_FRAME_REG_OUT): Likewise.
848 2006-10-17 Paul Brook <paul@codesourcery.com>
850 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
852 2006-10-16 Brooks Moses <bmoses@stanford.edu>
854 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
855 Standardize on "GNU Fortran" as the official name of the Fortran
858 2006-10-16 Mike Stump <mrs@apple.com>
860 * doc/invoke.texi (Darwin Options): Document -mkernel.
861 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
863 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
864 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
865 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
866 (OS_MISSING_ALTIVEC): Add.
867 * config/i386/i386.c (override_options): Add
868 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
869 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
870 -mkernel, -static or -mdynamic-no-pic is given.
871 (C_COMMON_OVERRIDE_OPTIONS): Add.
872 * config/darwin.opt (fapple-kext): Add.
874 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
875 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
877 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
878 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
879 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
880 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
881 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
883 (flag_apple_kext): Add.
884 (TARGET_KEXTABI): Add.
885 * config/darwin.c (darwin_handle_kext_attribute): Add.
886 (DARWIN_VTABLE_P): Add.
887 (darwin_binds_local_p): Add partial support for rebinding vtables
889 (darwin_kextabi_p): Add.
890 (darwin_override_options): Add.
891 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
892 (darwin_kextabi_p): Add.
893 (darwin_override_options): Add.
894 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
895 __DYNAMIC__ and __STATIC__ here.
897 2006-10-16 Brooks Moses <bmoses@stanford.edu>
899 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
900 Added mention of "make pdf" target, and Texinfo requirements for
903 2006-10-16 DJ Delorie <dj@redhat.com>
905 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
906 into the GOT in case we need a subreg of the address.
908 2006-10-16 Richard Guenther <rguenther@suse.de>
911 * doc/extend.texi (X86 Built-in Functions): Fix typos in
912 SSE builtin documentation. Document SSE2 builtins.
914 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
916 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
917 symbol in the output file for non-shared links when -nostdlib or
918 -nodefaultlibs isn't specified.
920 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
921 posix thread support.
923 2006-10-15 Jan Hubicka <jh@suse.cz>
926 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
927 declared always_inline even when not inlining.
929 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
930 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
931 Andrew Pinski <pinskia@gmail.com>
934 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
936 2006-10-15 Jan Hubicka <jh@suse.cz>
937 Richard Guenther <rguenther@suse.de>
940 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
941 process_function_and_variable_attributes on all variables, including
942 those discovered during cgraph construction phase.
944 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
946 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
948 2006-10-14 Uros Bizjak <uros@kss-loka.si>
950 * config/i386/athlon.md (athlon_fist): Add fisttp.
952 2006-10-13 David Edelsohn <edelsohn@gnu.org>
953 Ian Lance Taylor <ian@airs.com>
956 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
957 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
960 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
962 * config/score/score.c, config/score/score.h: Fix comment
965 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
968 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
971 2006-10-13 Eric Christopher <echristo@apple.com>
973 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
975 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
978 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
979 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
980 alignment supported by 32-bit ELF.
982 2006-10-13 Eric Christopher <echristo@apple.com>
984 * config/darwin.c (darwin_emit_unwind_label): Strip
985 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
987 2006-10-13 Richard Guenther <rguenther@suse.de>
989 PR tree-optimization/29446
990 * tree-vrp.c (fix_equivalence_set): Remove.
991 (extract_range_from_assert): Do not call fix_equivalence_set.
992 (debug_value_range): Print a newline.
993 (compare_name_with_value): For equivalence sets with
994 inconsistent value ranges conservatively bail out.
995 (compare_names): Likewise.
997 2006-10-13 David Edelsohn <edelsohn@gnu.org>
999 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1000 and MPFR for gfortran.
1002 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1004 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1005 alignment supported by 32-bit ELF.
1007 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1011 * c-typeck.c (digest_init): Always allow initializing vectors
1012 that have static storage duration with compound literals.
1013 * tree.c (build_type_attribute_qual_variant): New, based on
1014 build_type_attribute_variant.
1015 (build_type_attribute_variant): Rewrite using the former.
1016 (make_vector_type): Use build_type_attribute_qual_variant to build
1017 type variants. Use type_hash_canon on the others.
1019 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1020 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1022 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1024 2006-10-12 Jan Hubicka <jh@suse.cz>
1027 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1028 current_function_decl is set but current_function_scope is not.
1030 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1032 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1033 emit_insn to emit eh_return_internal instruction.
1034 (eh_return_internal): Explicitly set pc.
1036 2006-10-11 Richard Guenther <rguenther@suse.de>
1038 PR tree-optimization/28230
1039 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1040 to the correct place.
1042 2006-10-11 Richard Guenther <rguenther@suse.de>
1045 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1048 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1050 * configure.ac: Added pdf to "Make-hooks"
1051 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1052 targets and *.pdf file patterns in cleanup targets.
1053 * configure: Regenerated.
1055 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1057 * config/avr/predicates.md: New file.
1058 * config/avr/avr.md: Include it.
1059 (REG_SP): New constant.
1060 (peepholes): Use predicates.
1061 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1062 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1063 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1065 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1067 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1070 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1073 * builtins.c (var_decl_component_p): New function.
1074 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1075 single entry optimization to variables and components thereof.
1077 2006-10-10 Richard Guenther <rguenther@suse.de>
1079 PR rtl-optimization/29323
1080 * except.c (set_nothrow_function_flags): For functions
1081 that do not bind local bail out early.
1083 2006-10-10 Ben Elliston <bje@au.ibm.com>
1085 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1088 2006-10-09 Richard Henderson <rth@redhat.com>
1090 Revert emutls patch.
1092 2006-10-09 Richard Guenther <rguenther@suse.de>
1095 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1098 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1101 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1102 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1103 * configure: Regenerate.
1104 * config.in: Regenerate.
1106 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1108 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1110 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1112 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1113 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1114 Remove stray newline.
1116 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1118 * config/mips/mips.c (mips_classify_symbol): Do not return
1119 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1120 (mips_in_small_data_p): Tweak comments.
1122 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1124 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1126 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1128 * gimplify.c, sched-int.h: Fix comment typos.
1130 * sched-int.h: Fix comment typos.
1132 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1134 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1136 * sched-ebb.c (begin_schedule_ready): Use them.
1137 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1138 add_to_speculative_block, create_check_block_twin, speculate_insn,
1139 fix_jump_move, move_block_after_check): Ditto.
1140 * sched-rgn.c (new_ready): Ditto.
1142 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1144 PR rtl-optimization/29128
1145 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1146 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1147 allow interblock movement of speculation checks.
1149 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1152 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1153 casted to integer type.
1154 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1155 if they are significantly more expensive than [reg + index] ones.
1157 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1159 PR tree-optimization/29330
1160 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1161 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1162 on newly allocated ddrs.
1163 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1164 to VEC (loop_p, heap) pointer.
1165 (compute_data_dependences_for_loop): Adjust caller.
1166 (free_dependence_relations): Free DDR_LOOP_NEST.
1168 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1169 free DEPENDENCE_RELATIONS and DATAREFS.
1172 * builtins.c (expand_builtin_sync_operation,
1173 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1174 Use convert_to_mode to handle promoted arguments.
1176 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1178 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1180 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1182 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1184 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1186 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1187 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1188 Use <modeconstraint> instead of "r" as operand 1 constraint.
1190 2006-10-06 Olivier Hainque <hainque@adacore.com>
1192 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1193 Don't recurse on the pointed-to type.
1194 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1195 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1196 types with components of variable size.
1198 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1200 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1202 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1204 PR tree-optimization/29290
1205 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1209 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1210 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1213 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1214 the number of vector elements fill the rest with zeros.
1216 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1218 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1219 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1222 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1224 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1225 unnamed pattern into subsi3. Use correct constraints/predicates.
1226 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1227 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1229 2006-10-05 Ira Rosen <irar@il.ibm.com>
1231 * doc/loop.texi: Add data references analysis description.
1233 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1235 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1237 2006-10-04 Richard Henderson <rth@redhat.com>
1238 Jakub Jelinek <jakub@redhat.com>
1240 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1241 * builtin-types.def (BT_WORD): Make unsigned.
1242 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1243 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1244 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1245 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1246 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1247 * cgraph.c (decide_is_variable_needed): Look at force_output.
1248 Recurse for emulated tls.
1249 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1250 checks redundant with decide_is_variable_needed.
1251 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1252 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1254 * expr.c (emutls_var_address): New.
1255 (expand_expr_real_1): Expand emulated tls.
1256 (expand_expr_addr_expr_1): Likewise.
1257 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1258 * output.h (emutls_finish): Declare.
1259 * toplev.c (compile_file): Call it.
1260 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1261 address before wrapping in CONST.
1262 * varasm.c (emutls_htab, emutls_object_type): New.
1263 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1264 (get_emutls_object_name, get_emutls_object_type): New.
1265 (get_emutls_init_templ_addr, emutls_decl): New.
1266 (emutls_common_1, emutls_finish): New.
1267 (assemble_variable): When emulating tls, swap decls; generate
1268 constructor for the emutls objects.
1269 (do_assemble_alias): When emulating tls, swap decl and target name.
1270 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1272 * emutls.c: New file.
1273 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1274 tls_object for real tls.
1276 2006-10-04 Zack Weinberg <zackw@panix.com>
1278 Fix bug in constraint-check generator, reported by Rask Ingemann
1280 * genpreds.c (add_constraint): Don't remove anything from the
1282 (write_tm_constrs_h): Detect whether "op" argument is used, and
1283 mark it ARG_UNUSED if it isn't.
1284 (write_insn_const_int_ok_for_constraint): Skip the part of the
1285 expression that would test whether "op" (which is not available
1286 here) is a CONST_INT.
1288 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1291 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1293 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1295 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1296 current Leopard versions.
1297 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1299 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1301 * doc/install.texi: Fix typos.
1303 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1305 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1306 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1307 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1309 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1311 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1312 arg to be struct mach_header_64* instead.
1314 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1317 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1318 side effects after the outer expression's post side effects.
1320 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1322 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1323 comments to reflect actual behavior and relationship between
1324 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1326 * doc/c-tree.texi (Working with declarations): Fix documentation
1327 of FIELD_DECL likewise.
1329 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1332 * doc/extend.texi: Add used variable attribute description.
1334 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1337 * c.opt (Woverride-init): New.
1338 * c-opts.c (c_common_post_options): Default warn_override_init to
1340 * c-typeck.c (add_pending_init, output_init_element): Warn for
1341 overriding initializers without side effects.
1342 * doc/invoke.texi (-Woverride-init): Document.
1345 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1347 PR rtl-optimization/28096
1348 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1349 assignment has already been used as a destination earlier in the block.
1351 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1353 * builtins.c (expand_builtin_setjmp): Delete.
1354 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1355 <BUILT_IN_SETJMP_SETUP>: New case.
1356 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1357 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1358 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1359 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1360 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1361 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1362 (lower_function_body): Initialize it to false. If it is set to true
1363 at the end of the processing, emit the setjmp dispatcher.
1364 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1365 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1366 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1367 on the rhs of the assignment.
1368 (lower_builtin_setjmp): New function.
1369 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1370 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1371 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1372 to detect calls that can go to non-local labels. Use specific
1373 helper to create the abnormal edges associated with them.
1374 <MODIFY_EXPR>: Likewise.
1375 (make_abnormal_goto_edges): New function extracted from...
1376 (make_goto_expr_edges): ...here. Call it for computed gotos.
1377 (simple_goto_p): Minor tweak.
1378 (tree_can_make_abnormal_goto): New predicate.
1379 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1380 (tree_purge_dead_abnormal_call_edges): New function.
1381 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1382 (tree_purge_dead_abnormal_call_edges): Likewise.
1383 (make_abnormal_goto_edges): Likewise.
1384 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1385 Purge all dead abnormal edges if the call was in the last statement.
1386 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1387 (execute_fixup_cfg): If there are non-local labels in the function,
1388 scan the basic blocks and split them at calls that can go to non-local
1389 labels or add missing abnormal call edges. Write down the CFG in the
1391 (pass_fixup_cfg): Remove TODO_dump_func flag.
1392 * unwind-sjlj.c: Poison setjmp.
1393 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1394 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1395 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1396 (DONT_USE_BUILTIN_SETJMP): Document it.
1398 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1401 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1402 to 1 when __ppc64__ is defined.
1403 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1405 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1407 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1409 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1410 * config/ia64/unwind-hpux.c: Delete.
1412 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1414 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1415 on the element before gimplifying it, instead of punting if it is of
1418 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1420 * doc/loop.texi: New file.
1421 * doc/gccint.texi: Reference loop.texi.
1422 * Makefile.in (loop.texi): Add.
1424 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1426 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1428 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1429 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1431 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1433 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1435 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1437 * doc/install.texi: Document required versions of GMP and MPFR.
1439 2006-09-27 Paul Brook <paul@codesourcery.com>
1442 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1444 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1446 * reload1.c (alter_reg): Require the alignment of the stack slot to
1447 be at least reg_max_ref_width bytes.
1448 (scan_paradoxical_subregs): Record the largest width in
1451 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1455 * tree-nested.c (struct nesting_info): Added static_chain_added.
1456 (convert_call_expr): Set static_chain_added when adding static
1457 chain. Handle OMP_PARALLEL and OMP_SECTION.
1459 2006-09-25 Matthias Klose <doko@debian.org>
1461 * doc/invoke.texi: Add missing full stop.
1463 2006-09-25 Richard Henderson <rth@redhat.com>
1465 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1466 before cgraph_function_flags_ready.
1468 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1469 Adam Nemet <anemet@caviumnetworks.com>
1471 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1472 determine_common_wider_type): New functions.
1473 (get_computation_aff): Use them to simplify arithmetic between
1474 UBASE and CBASE if they are shortened from the same type.
1476 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1479 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1480 -2147483647 - 1 instead of 0x80000000.
1482 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1484 * flags.h (HONOR_NANS): Fix typo in comment.
1486 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1488 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1490 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1494 * tree.c (merge_attributes, attribute_list_contained): If both
1495 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1497 * c-typeck.c (comptypes_internal): Don't consider aggregates
1498 in different TUs as compatible if there one set of attributes is
1499 not a subset of the other type's attributes.
1500 (composite_type): Try harder not to create a new aggregate type.
1502 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1504 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1505 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1506 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1507 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1508 than replicating condition above.
1509 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1511 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1512 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1513 the linker by default.
1515 2006-09-22 Mike Stump <mrs@apple.com>
1517 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1520 2006-09-22 Richard Guenther <rguenther@suse.de>
1523 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1524 sort of stack variables stable.
1526 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1529 * explow.c (force_reg): Set REG_POINTER flag according to
1532 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1534 PR tree-optimization/28888
1535 * tree-if-conv.c (combine_blocks): Rewritten.
1536 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1537 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1539 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1541 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1544 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1546 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1548 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1550 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1552 2006-09-21 Roger Sayle <roger@eyesopen.com>
1555 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1556 dw_fde_current_label, to be the start of the function, i.e. the same
1557 value as dw_fde_begin.
1559 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1561 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1562 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1563 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1564 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1565 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1566 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1567 (abs<mode>2, neg<mode>2): Likewise.
1568 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1569 (*mips_abs_ps): New define_insn.
1571 2006-09-20 Josh Conner <jconner@apple.com>
1574 * calls.c (expand_call): Allow reuse of structure return stack
1577 2006-09-20 Paul Brook <paul@codesourcery.com>
1579 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1582 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1584 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1585 clean up terminology.
1587 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1590 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1591 with tablejumps in them.
1593 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1596 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1597 wrap it into TARGET_EXPR.
1599 2006-09-20 Eric Christopher <echristo@apple.com>
1601 * config/i386/i386.c (x86_fisttp): Remove.
1602 * config/i386/i386.h (x86_fisttp): Ditto.
1603 (TARGET_FISTTP): Ditto.
1605 2006-09-19 Eric Christopher <echristo@apple.com>
1607 * doc/tm.texi (OBJC_JBLEN): Describe.
1608 * config/i386/darwin.h (OBJC_JBLEN): Define.
1609 * config/rs6000/darwin.h: Ditto.
1611 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1613 PR rtl-optimization/21299
1614 * reload1.c (reload): Purge invalid ASMs in the final pass.
1616 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1619 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1620 pointers as legitimate constants.
1622 2006-09-19 Paul Brook <paul@codesourcery.com>
1625 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1627 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1629 PR tree-optimization/28887
1630 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1631 component parts from the reference.
1632 (gather_memory_references_ref): Record the reference without the
1633 nonaddressable component parts.
1635 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1638 * c-opts.c (c_common_handle_option): Ignore the -std options
1639 if the input language is assembly.
1641 2006-09-17 Ira Rosen <irar@il.ibm.com>
1644 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1646 (ptr_ptr_may_alias_p): Likewise.
1647 (record_record_differ_p): New function.
1648 (base_object_differ_p): Call record_record_differ_p.
1650 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1653 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1654 away for the expr argument.
1656 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1659 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1660 before using it for dumping after vectorizing loops.
1662 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1663 Jack Howarth <howarth@bromo.med.uc.edu>
1666 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1667 skip on error_mark_node.
1668 (rs6000_darwin64_record_arg_recurse): Likewise.
1670 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1672 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1673 * doc/rtl.texi: Remove related documentation.
1675 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1677 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1680 2006-09-15 Jim Wilson <wilson@specifix.com>
1682 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1683 Handle symbol offsets same as they are handled in ia64_expand_move
1686 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1688 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1689 Add forgotten parameter to the fprintf call.
1691 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1693 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1695 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1697 * doc/contrib.texi: Add my entry.
1699 2006-09-15 Nick Clifton <nickc@redhat.com>
1701 * doc/md.texi (Processor pipeline description): Fix typo in
1702 example of how to use the absence_set directive and reword the
1703 description to make it slightly easier to read.
1705 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1707 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1708 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1709 expanding the number of iterations.
1710 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1712 * cfgrtl.c (emit_insn_at_entry): New function.
1713 * rtl.h (emit_insn_at_entry): Declare it.
1714 * integrate.c (emit_initial_value_sets): Use it.
1716 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1718 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1720 (struct loop_work and related VEC declarations): Delete.
1721 (bfin_dump_loops): Print out new member bad.
1722 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1723 (bfin_scan_loop): Don't recurse.
1724 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1725 loops. No longer need to update outer loops if the current one is
1726 found bad. Move some validitiy checks to bfin_discover_loop.
1727 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1728 but changed not to check for nesting. Also changed to use the new bad
1730 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1731 time. Use bitmap based test to discover loop nesting.
1733 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1735 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1738 2006-09-14 Richard Guenther <rguenther@suse.de>
1739 Kazu Hirata <kazu@codesourcery.com>
1741 PR middle-end/28884.
1742 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1743 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1744 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1745 with TARGET_FUNCTION_VALUE.
1747 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1750 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1752 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1754 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1757 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1760 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1763 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1765 * basic_block.h (bb_has_eh_pred): Fix comment.
1767 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1769 * flow.c (calculate_global_regs_live): Invalidate eh registers
1770 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1771 (propagate_block): Handle eh registers as if they were set at basic
1773 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1775 * global.c (global_conflicts): Make eh registers to conflict with
1776 pseudos live at basic block begin.
1777 * basic_block.h (bb_has_eh_pred): New function.
1779 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1781 PR rtl-optimization/28982
1782 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1783 index of a PRE_MODIFY or POST_MODIFY address.
1784 * reload1.c (inc_for_reload): Use find_replacement on the original
1785 base and index registers.
1787 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1789 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1790 for -Os. Update __m128 alignment requirement.
1792 2006-09-13 Jan Hubicka <jh@suse.cz>
1794 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1796 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1798 PR rtl-optimization/28243
1799 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1800 the insn to which the note was originally attached.
1802 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1803 Roger Sayle <roger@eyesopen.com>
1805 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1806 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1807 on platforms that don't use dwarf for debug info.
1809 2006-09-12 Jason Merrill <jason@redhat.com>
1812 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1813 hard_frame_pointer_rtx after using it to update the frame pointer.
1815 2006-09-12 Roger Sayle <roger@eyesopen.com>
1817 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1818 (TARGET_ASM_CLOSE_PAREN): Likewise.
1819 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1820 (TARGET_ASM_CLOSE_PAREN): Likewise.
1822 2006-09-12 Roger Sayle <roger@eyesopen.com>
1825 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1826 frame information for frames larger than 512 Kbytes on Tru64 when
1827 using the native assembler.
1829 2006-09-12 Roger Sayle <roger@eyesopen.com>
1833 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1834 and symbols. Instead use the implementation from cse.c's hash_rtx.
1836 2006-09-12 Jan Hubicka <jh@suse.cz>
1838 PR rtl-optimization/28071
1839 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1840 (vect_transform_loop): Likewise.
1841 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1842 (new_loop_vec_info): Likewise.
1843 (destroy_loop_vec_info): Likewise.
1844 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1845 (create_stmt_ann): Likewise.
1846 (create_tree_ann): Rename to ...
1847 (create_tree_common_ann): ... this one; allocate only the common part
1849 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1850 (get_value_handle): Likewise.
1851 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1852 get_tree_common_ann.
1853 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1854 (vinfo_for_stmt): Use stmt annotations.
1855 * tree-flow.h (tree_ann_common_t): New type.
1856 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1857 (tree_ann, get_tree_ann, create_tree_ann): New.
1858 * tree-flow-inline.h (get_function_ann): Do more type checking.
1859 (stmt_ann): Likewise.
1860 (tree_ann): Rename to ...
1861 (tree_common_ann): ... this one; return ony common_ann
1862 (get_tree_ann): Rename to ...
1863 (tree_common_ann): This one; return only common_ann.
1864 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1867 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1869 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1870 with_cpu by default.
1872 * dwarf2out.c (dwarf_file_data): New.
1873 (enum dw_val_class): Add dw_val_class_file.
1874 (struct dw_val_struct): Add val_file.
1875 (file_table): Change to a hash table.
1876 (file_table_emitted): Delete.
1877 (file_table_last_lookup_index): Delete.
1878 (emitcount): Delete.
1879 (last_emitted_file): New.
1880 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1881 (init_file_table): Delete.
1882 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1883 (AT_addr): Add comment.
1887 (print_die): Handle dw_val_class_file.
1888 (print_dwarf_line_table): Update for new file table structure.
1889 (attr_checksum): Do checksum a filename.
1890 (same_dw_val_p, same_attr_p): Do compare a filename.
1891 (size_of_die): Handle dw_val_class_file.
1892 (value_format): Likewise.
1893 (output_die): Likewise. Also, call maybe_emit_file here.
1894 (struct file_info): Constify filenames. Make file_idx a pointer
1895 to a struct dwarf_file_data.
1896 (struct dir_info): Constify directory names. Remove 'used' field.
1897 (struct file_name_acquire_data): New.
1898 (file_name_acquire): New.
1899 (output_file_names): Modify to handle new file data structures.
1900 (add_src_coords_attributes): Use add_AT_file.
1901 (add_call_src_coords_attributes): Likewise.
1902 (dwarf2out_imported_module_or_decl): Likewise.
1903 (gen_subprogram_die): Modify for new file data structures.
1904 (gen_variable_die): Likewise.
1905 (file_table_eq): New.
1906 (file_table_hash): New.
1907 (file_table_last_lookup): New.
1908 (lookup_filename): Rewrite to handle new file data structures.
1909 (maybe_emit_file): Rewrite to handle new file data structures.
1910 (dwarf2out_source_line): Always call lookup_filename and
1912 (dwarf2out_init): Create file_table here.
1913 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1914 (file_table_relative_p): New.
1915 (dwarf2out_finish): Change detection of relative filenames
1916 to work with new file data structures. Move output_line_info call
1917 after debug_info output.
1919 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1924 * config/i386/i386.c (override_options): Always default to 16
1925 byte stack boundary.
1927 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1930 * var-tracking.c (dump_dataflow_set): Start dumping at
1932 (clobber_variable_part): Kill only the variable part in
1933 registers holding it, leaving other variables alone.
1935 2006-09-11 Josh Triplett <josh@freedesktop.org>
1937 * doc/extend.texi (Other Builtins): Actually use the macro
1938 argument in the documentation example for
1939 __builtin_types_compatible_p.
1941 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1943 PR rtl-optimization/28726
1944 * sched-deps.c (sched_analyze_reg): New function extracted from...
1945 (sched_analyze_1): ...here. Call it to analyze references to
1946 registers. Treat again writes to a stack register as writing to the
1948 (sched_analyze_2): ...and here. Call it to analyze references to
1949 registers. Treat again reads of a stack register as reading the
1952 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1953 David Edelsohn <edelsohn@gnu.org>
1956 * config/rs6000/spe.md (frob_df_di): Remove %H.
1957 (frob_di_df): Remove %H. Change evmergelo to mr.
1958 (frob_di_df_2): Remove %H. Change evldd to two loads.
1960 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1962 * doc/cpp.texi: Fix names of charset options.
1964 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1967 * config/i386/i386.c (override_options): Use 128-bit
1968 stack boundary always for 64bits.
1970 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1972 PR rtl-optimization/28636
1973 * combine.c (force_to_mode): Test for side-effects before
1974 substituting by zero.
1975 (simplify_shift_const): Likewise for zero or other constants.
1977 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1980 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1983 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1986 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1987 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1988 returned by mode_for_size, rather than the mode of src itself,
1989 to choose between 32-bit and 64-bit patterns.
1990 (mips_mem_fits_mode_p): New function.
1991 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1992 that the size of the source matches the size of the destination.
1993 (mov_<store>l, mov_<store>r): Likewise.
1995 2006-09-10 Eric Christopher <echristo@apple.com>
1997 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2000 2006-09-09 Eric Christopher <echristo@apple.com>
2003 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2006 2006-09-09 Roger Sayle <roger@eyesopen.com>
2007 Nicolas Setton <setton@adacore.com>
2009 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2011 2006-09-10 Andreas Schwab <schwab@suse.de>
2013 * config/m68k/m68k.md (bungt_rev): New pattern.
2015 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2016 Dale Johannesen <dalej@apple.com>
2019 * regclass.c (struct reg_pref): Update documentation.
2020 (regclass): Set prefclass to NO_REGS if memory is the best option.
2021 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2023 2006-09-08 Eric Christopher <echristo@apple.com>
2025 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2026 * config/t-slibgcc-darwin: Support x86_64 multilib.
2027 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2028 Return 1 for x86_64-darwin.
2029 * config/i386/t-darwin: Add m64 multilib.
2030 (LIB2_SIDITI_CONV_FUNCS): Use.
2031 (LIB2FUNCS_EXTRA): Ditto.
2032 * config/i386/darwin.h: Support x86_64.
2033 * config/i386/i386.c (override_options): Turn on flag_pic
2034 for x86_64-darwin. Disable flag_omit_pointer.
2035 (get_pc_thunk_name): Assert !TARGET_64BIT.
2036 (legitimate_address_p): Disable machopic addressing for
2038 (legitimize_pic_address): Ditto.
2039 (ix86_expand_move): Ditto.
2040 (ix86_expand_call): Ditto.
2041 (machopic_output_stub): Ditto.
2042 * config/darwin.c (machopic_select_section): Support literal16.
2043 (machopic_select_rtx_section): Ditto.
2044 * config/darwin-sections.def: Ditto.
2045 * config/darwin-64.c: New.
2047 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2050 * c-tree.h (struct c_arg_info): Add pending_sizes.
2051 * c-parser.c (c_parser_parms_declarator,
2052 c_parser_parms_list_declarator): Initialize pending_sizes.
2053 * c-decl.c (get_parm_info): Initialize pending_sizes.
2054 (get_parm_info): Set pending_sizes.
2055 (grokdeclarator): Call put_pending_sizes for parameters for
2056 function definition only.
2058 2006-09-07 Jason Merrill <jason@redhat.com>
2061 * varasm.c (output_constant): Only strip actual no-op conversions.
2064 * config/i386/i386.c (override_options): Use 128-bit
2065 stack boundary if -msse.
2067 2006-09-07 Eric Christopher <echristo@apple.com>
2069 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2071 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2074 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2076 * dwarf2out.c: Remove strange characters from comment above
2077 dwarf2out_frame_debug_expr.
2079 2006-09-07 Eric Christopher <echristo@apple.com>
2081 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2082 * config/darwin.h: ... to here.
2084 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2086 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2088 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2089 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2091 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2092 TARGET_PARTIAL_FLAG_REG_STALL.
2093 (*ashldi3_cconly_rex64): Likewise.
2094 (*ashlsi3_cmp): Likewise.
2095 (*ashlsi3_cconly): Likewise.
2096 (*ashlsi3_cmp_zext): Likewise.
2097 (*ashlhi3_cmp): Likewise.
2098 (*ashlhi3_cconly): Likewise.
2099 (*ashlqi3_cmp): Likewise.
2100 (*ashlqi3_cconly): Likewise.
2101 (*ashrdi3_cmp_rex64): Likewise.
2102 (*ashrdi3_cconly_rex64): Likewise.
2103 (*ashrsi3_cmp): Likewise.
2104 (*ashrsi3_cconly): Likewise.
2105 (*ashrsi3_cmp_zext): Likewise.
2106 (*ashrhi3_cmp): Likewise.
2107 (*ashrhi3_cconly): Likewise.
2108 (*ashrqi3_cmp): Likewise.
2109 (*ashrqi3_cconly): Likewise.
2110 (*lshrdi3_cmp_rex64): Likewise.
2111 (*lshrdi3_cconly_rex64): Likewise.
2112 (*lshrsi3_cmp): Likewise.
2113 (*lshrsi3_cconly): Likewise.
2114 (*lshrsi3_cmp_zext): Likewise.
2115 (*lshrhi3_cmp): Likewise.
2116 (*lshrhi3_cconly): Likewise.
2117 (*lshrqi2_cmp): Likewise.
2118 (*lshrqi2_cconly): Likewise.
2120 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2123 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2124 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2125 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2126 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2127 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2128 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2129 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2130 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2131 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2132 implement only CC setting effects of shift instructions.
2134 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2136 * doc/contrib.texi: Add myself.
2138 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2141 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2142 was set by the user.
2144 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2147 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2148 (divsi_inv_m1): Use them.
2149 (UNSPEC_DIV_INV_TABLE): New constant.
2151 2006-09-06 James E Wilson <wilson@specifix.com>
2154 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2155 then call count_or_remove_death_notes.
2157 2006-09-06 Jason Merrill <jason@redhat.com>
2160 * tree-inline.c (copy_result_decl_to_var): New fn.
2161 (declare_return_variable): Use it. Call declare_inline_vars here.
2162 (expand_call_inline): Not here.
2164 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2166 * doc/contrib.texi: Update my entry.
2168 2006-09-06 Nick Clifton <nickc@redhat.com>
2170 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2172 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2175 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2176 (canonicalize_induction_variables): Likewise.
2177 (tree_unroll_loops_completely): Likewise.
2178 (tree_ssa_prefetch_arrays): Likewise.
2179 (remove_empty_loops): Likewise.
2180 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2181 TODO_cleanup_cfg instead of directly calling
2182 cleanup_tree_cfg_loop.
2183 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2185 (tree_unroll_loops_completely): Likewise.
2186 (remove_empty_loops): Likewise.
2187 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2188 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2189 of tree_ssa_unswitch_loops.
2190 (tree_ssa_loop_ivcanon): Use the return value of
2191 canonicalize_induction_variables.
2192 (tree_ssa_empty_loop): Use the return value of
2194 (tree_complete_unroll): Use the return value of
2195 tree_unroll_loops_completely.
2196 (tree_ssa_loop_prefetch): Use the return value of
2197 tree_ssa_prefetch_arrays.
2198 * passes.c (execute_todo): Before Cleanup CFG, set
2199 updating_used_alone and after cleanup CFG, call
2200 recalculate_used_alone.
2202 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2205 * tree-vect-transform.c (vectorizable_condition): Move the check
2206 for the type after the check for simple condition.
2208 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2209 Kaz Kojima <kkojima@gcc.gnu.org>
2212 * mode-switching.c (optimize_mode_switching): Make the destination
2213 block of an abnormal edge have no anticipatable mode. Don't
2214 insert mode switching code at the end of the source block of
2217 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2219 PR rtl-optimization/26847
2220 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2221 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2222 (simplify_plus_minus): Count n_constants while filling ops. Replace
2223 qsort with insertion sort. Before going through the array to simplify
2224 pairs, sort it. Delay early exit until after the first sort, exiting
2225 only if no swaps occurred. Simplify pairs in reversed order, without
2226 special-casing the first iteration. Pack ops after simplifying pairs.
2228 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2230 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2231 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2232 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2233 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2235 2006-09-05 Richard Guenther <rguenther@suse.de>
2237 PR tree-optimization/28900
2238 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2239 compound conditional before creating COND_EXPR condition.
2241 2006-09-05 Richard Guenther <rguenther@suse.de>
2243 PR tree-optimization/28905
2244 * tree-vrp.c (fix_equivalence_set): Manually implement
2245 !value_ranges_intersect_p to also handle symbolic ranges.
2247 2006-09-05 Richard Guenther <rguenther@suse.de>
2250 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2253 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2255 PR rtl-optimization/27616
2256 * cse.c (table_size): New static variable.
2257 (new_basic_block): Initialize it to 0.
2258 (remove_from_table): Decrement it.
2259 (insert): Increment it.
2260 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2261 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2262 fold_rtx_mem_1 if under the cap.
2263 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2264 the lookup of the equivalent expression and test for equality of the
2265 first operand of the equivalent expression before in turn looking up
2266 an equivalent constant for the second operand.
2268 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2271 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2272 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2273 pointer, instead of assuming it is possible to derive the
2274 correct args size from a call insn.
2276 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2279 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2280 (fold_builtin_mempcpy): Rename to...
2281 (fold_builtin_memory_op): ... this. Optimize one element copy
2283 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2285 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2286 (expand_builtin_memcpy, expand_builtin_mempcpy,
2287 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2288 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2289 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2290 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2292 2006-09-01 DJ Delorie <dj@redhat.com>
2294 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2295 (stzx_16): Likewise.
2296 ("stzx_24_<mode>"): Likewise.
2297 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2298 ("cmp<mode>_op"): New.
2299 (cmp<mode>): Change to expander; just save operands.
2301 (b<code>): Change to expander, emit compare here.
2302 (s<code>_op): Change to use split and expander.
2303 (s<code>_24_op): Likewise.
2304 (s<code>_<mode>): New.
2305 (s<code>_<mode>_24): New.
2306 (movqicc_<code>_<mode): New.
2307 (movhicc_<code>_<mode>): New.
2310 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2311 (m32c_pend_compare): New.
2312 (m32c_unpend_compare): New.
2313 (m32c_expand_scc): New.
2314 (m32c_expand_movcc): Emit the compare also.
2315 * config/m32c/predicates.md (mra_nopp_operand): New.
2317 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2318 Richard Guenther <rguenther@suse.de>
2319 Adam Nemet <anemet@caviumnetworks.com>
2322 * builtins.c (get_pointer_alignment): Handle more forms
2323 of base addresses that can be used to derive more precise
2324 information about alignment.
2326 2006-09-01 Jason Merrill <jason@redhat.com>
2329 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2332 * gimplify.c (voidify_wrapper_expr): Handle null type.
2334 2006-09-01 Josh Conner <jconner@apple.com>
2337 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2338 (execute_return_slot_opt): Use it.
2340 2006-08-31 Josh Conner <jconner@apple.com>
2343 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2344 returning aggregates.
2346 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2348 PR tree-optimization/28839
2349 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2350 blocks in that phi arguments appear.
2352 2006-08-31 Roger Sayle <roger@eyesopen.com>
2355 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2356 NULL, otherwise use an advance_loc4 to adjust relative to the
2358 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2359 (dwarf2out_switch_text_section): Reset the current label to avoid
2360 using advance_loc4 over section boundaries.
2362 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2365 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2366 r12 + SYMBOLIC_CONST.
2368 2006-08-30 Richard Guenther <rguenther@suse.de>
2370 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2372 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2374 PR rtl-optimization/27735
2375 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2376 Add new argument to keep track of whether an irreducible region
2377 was affected. All callers changed.
2378 (fix_irreducible_loops): Removed.
2379 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2380 flags were invalidated.
2382 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2384 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2385 instead of SF operands.
2386 (*fop_df_comm_sse): Likewise.
2387 (*fop_df_comm_i387): Likewise.
2388 (*fop_df_1_mixed): Likewise.
2389 (*fop_df_1_sse): Likewise.
2391 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2392 J"orn Rennecke <joern.rennecke@st.com>
2394 PR tree-optimization/17506
2395 * tree-ssa.c (warn_uninit): If warning about a location outside of
2396 the current function, note where the variable was declared.
2398 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2400 PR tree-optimization/28411
2401 * double-int.c (double_int_div): Use double_int_divmod.
2402 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2403 double_int_mod, double_int_smod, double_int_umod): New functions.
2404 * double-int.h (double_int_divmod, double_int_sdivmod,
2405 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2407 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2409 (get_computation_aff, get_computation_cost_at): Handle double_int
2410 return type of constant_multiple_of.
2412 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2415 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2416 an implicit conversion.
2418 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2420 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2422 2006-08-27 Roger Sayle <roger@eyesopen.com>
2424 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2427 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2429 * config/i386/crtfastmath.c: Fix a comment typo.
2431 2006-08-26 Roger Sayle <roger@eyesopen.com>
2433 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2434 temporary visit flags on CASE_LABEL_EXPRs.
2435 * c-common.c (match_case_to_enum): Add function comment. Avoid
2436 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2437 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2438 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2439 a constant, only warn if that constant value isn't handled.
2441 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2444 * input.h (restore_input_file_stack): Declare.
2445 (INPUT_FILE_STACK_BITS): Define.
2446 * toplev.c (fs_p, input_file_stack_history,
2447 input_file_stack_restored, restore_input_file_stack): New.
2448 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2449 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2450 (pop_srcloc): Don't free old state of stack.
2452 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2455 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2456 (PowerPC Type Attributes): New.
2458 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2460 * config/xtensa/xtensa.c (function_arg_boundary): New.
2461 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2463 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2464 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2466 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2469 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2472 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2474 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2475 (verify_local_live_at_start): Likewise.
2477 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2480 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2481 omp_add_variable): Treat sizes as variable whenever not
2484 2006-08-26 Richard Guenther <rguenther@suse.de>
2487 * fold-const.c (fold_binary): Fold temporary to correct
2488 type before constructing new comparison.
2490 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2493 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2494 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2496 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2499 * c-decl.c (start_function): Don't try to process prototype
2500 information from old declaration that isn't a function.
2502 2006-08-25 Jan Hubicka <jh@suse.cz>
2505 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2507 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2510 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2513 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2515 PR tree-optimization/16876
2516 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2517 exit if PARM doesn't match VALUE.
2519 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2521 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2522 literal_prefix directive.
2523 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2524 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2525 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2527 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2530 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2531 predicate to general_operand. Add 0->y and I->r alternatives.
2533 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2535 * doc/tm.texi: Fix a typo.
2536 * predict.c: Fix comment typos.
2538 2006-08-25 Nick Clifton <nickc@redhat.com>
2540 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2541 assertions of "cpu" and "machine".
2543 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2546 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2547 the access through a base which has an alias set of 0 cannot
2550 2006-08-24 Bill Wendling <wendling@apple.com>
2552 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2554 2006-08-24 Jan Hubicka <jh@suse.cz>
2556 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2558 2006-08-24 Jan Hubicka <jh@suse.cz>
2561 * cgraph.c: Fix comments.
2562 (cgraph_varpool_mark_needed_node): Mark only variables not already
2564 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2565 (cgraph_varpool_assembled_nodes_queue): New static variable.
2566 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2567 (cgraph_varpool_output_debug_info): New function.
2568 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2569 * Makefile.in: Add gt-cgraphunit.h
2571 2006-08-24 Jan Hubicka <jh@suse.cz>
2573 * predict.c (probability_reliable_p): New predicate.
2574 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2575 (predict_loops): Do not predict loop exit with less than 2%
2577 * basic-block.h (edge_probability_reliable_p,
2578 br_prob_note_reliable_p): Declare.
2579 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2580 prediction when static predictor is not reliable.
2581 * rs6000.c (output_cbranch): Likewise.
2583 2006-08-23 Stuart Hastings <stuart@apple.com>
2586 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2587 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2589 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2592 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2593 complex values, nor for generic vector values.
2595 2006-08-22 Richard Guenther <rguenther@suse.de>
2598 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2599 parameter. Convert arguments to arithmetic expression to the
2601 (analyze_scalar_evolution_1): Adjust caller.
2603 2006-08-22 Jan Hubicka <jh@suse.cz>
2605 Patch by Paolo Bonzini
2606 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2609 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2611 PR tree-optimization/28003
2612 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2613 before grouping aliases.
2615 2006-08-22 Roger Sayle <roger@eyesopen.com>
2617 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2618 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2620 2006-08-21 Jason Merrill <jason@redhat.com>
2623 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2624 wrapper. Loop to handle nested wrappers.
2625 (gimplify_bind_expr): Remove temp parameter.
2626 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2627 and STATEMENT_LIST on the rhs.
2628 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2629 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2630 (gimplify_target_expr): Remove special BIND_EXPR handling.
2632 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2634 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2637 2006-08-21 Olivier Hainque <hainque@adacore.com>
2639 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2640 Arrange for the temporary captures of components overlapping the lhs
2641 to happen before the lhs is possibly cleared.
2643 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2645 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2646 necessary places to pass the correct "number of registers" values
2649 2006-08-20 Jan Hubicka <jh@suse.cz>
2651 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2652 (create_name_tags): Instead of quadratic checking use hashtable.
2653 * bitmap.h: Include hashtab.h.
2654 (bitmap_hash): Declare.
2655 * bitmap.c (bitmap_hash): New function.
2657 2006-08-20 Jan Hubicka <jh@suse.cz>
2659 PR rtl-optimization/28071
2660 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2662 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2663 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2664 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2665 cgraph_decide_inlining_incrementally): Update use of
2666 cgraph_check_inline_limits.
2667 * cgraph.c (edge_hash, edge_eq): New function.
2668 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2669 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2670 cgraph_remove_node): Maintain call site hash.
2671 * cgraph.h (struct cgraph_node): Add call_site_hash.
2672 (cgraph_set_call_stmt): New function.
2674 2006-08-20 Jan Hubicka <jh@suse.cz>
2676 PR rtl-optimization/28071
2677 * reload1.c (reg_has_output_reload): Turn into regset.
2678 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2679 choose_reload_regs, emit_reload_insns): Update to new
2680 reg_has_output_reload.
2682 2006-08-20 Jan Hubicka <jh@suse.cz>
2685 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2686 function body sizes.
2687 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2689 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2692 * tree.c (handle_dll_attribute): Return early if not a
2693 var or function decl.
2695 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2698 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2699 alignment of SPE vector types.
2701 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2703 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2705 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2708 * cgraph.h (struct cgraph_node): Remove externally_visible
2710 * cgraphunit.c (process_function_and_variable_attributes): Set
2711 local.externally_visible rather than externally_visible.
2714 * c-common.c (handle_externally_visible_attribute): First look
2715 at TREE_CODE and only if it is function or var decl, check for
2716 non-public objects. Don't warn for DECL_EXTERNAL.
2717 * cgraphunit.c (process_function_and_variable_attributes): Warn
2718 if externally_visible attribute is used on non-public object.
2720 2006-08-17 Jan Hubicka <jh@suse.cz>
2722 PR tree-optimization/27865
2723 * reload1.c (forget_marked_reloads): New function.
2724 (forget_old_reloads_1): When data are passed, just mark the registers
2726 (reload_as_needed): Use the new mechanizm.
2728 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2731 * reload.h (reg_equiv_alt_mem_list): New declaration.
2732 * reload1.c (reg_equiv_alt_mem_list): New definition.
2733 (reload): Initialize it and release it.
2734 (delete_output_reload): Use it.
2735 * reload.c (push_reg_equiv_alt_mem): New function.
2736 (find_reloads_toplev): Call it.
2737 (find_reloads_address, find_reloads_address_1): Likewise.
2738 (find_reloads_subreg_address): Likewise.
2740 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2742 PR rtl-optimization/28489
2743 * sched-ebb.c (begin_schedule_ready): Create basic block
2745 (advance_target_bb): Skip empty blocks.
2746 * haifa-sched.c (bb_note): Make global.
2747 * sched-int.h (bb_note): Add prototype.
2749 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2751 PR tree-optimization/27865
2752 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2754 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2755 fold_used_pointer, pointer_used_p): New functions.
2756 (analyze_scalar_evolution_1): Use fold_used_pointer.
2757 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2758 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2761 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2764 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2765 or the INTEGER_CST. Fail on a CALL_EXPR.
2766 (fold_offsetof): Pass new argument to fold_offsetof_1.
2767 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2768 operand into an INDIRECT_REF.
2769 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2771 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2773 PR gcov/profile/26570
2774 * value-prof.c (static_values): Removed.
2775 (tree_find_values_to_profile): Do not set static_values.
2776 (find_values_to_profile): Do not free static_values.
2777 * profile.c (instrument_values): Do not free the values.
2778 (branch_prob): Free the values.
2780 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2782 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2784 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2787 * c-typeck.c (build_component_ref): Combine qualifiers of
2788 structure or union and field.
2790 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2792 PR rtl-optimization/28071
2793 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2794 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2795 * tree-into-ssa.c (struct dom_dfsnum): New.
2796 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2798 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2799 compute_global_livein.
2800 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2801 in phi nodes in the correct blocks.
2803 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2805 PR tree-optimization/28364
2806 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2808 (fold_affine_expr): New function.
2809 (may_eliminate_iv): Use fold_affine_expr.
2811 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2814 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2817 2006-08-16 Mike Stump <mrs@apple.com>
2819 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2820 * doc/cppopts.texi (-MD): Likewise.
2822 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2825 * c-common.c (handle_weak_attribute): Ignore and warn if
2826 not a FUNCTION_ or VAR_DECL.
2828 2006-07-15 Mike Stump <mrs@apple.com>
2831 * c-parser.c (c_parser_typeof_specifier): Don't use
2832 c_finish_expr_stmt, open code desired semantics instead.
2834 2006-08-15 Nick Clifton <nickc@redhat.com>
2836 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2837 fragment to tmake_file only if threads are enabled.
2838 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2839 * config/i386/t-gthr-win32: New file. ... here.
2841 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2844 * c-parser.c (c_parser_compound_statement_nostart): Reset
2845 parser->error after each statement.
2847 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2850 * omp-low.c (lower_omp_parallel): Convert t to
2851 receiver_decl's type.
2852 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2853 source before comparison.
2856 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2857 to itype in assignment to oldival2.
2859 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2863 * c-typeck.c (build_compound_expr): If the second expression
2864 is an error mark, then just return an error mark instead of
2865 creating a COMPOUND_EXPR.
2867 2006-07-14 Mike Stump <mrs@apple.com>
2869 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2871 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2873 * c-decl.c, var-tracking.c: Fix comment typos.
2875 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2877 PR rtl-optimization/28634
2878 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2879 for floating-point modes unless flag_unsafe_math_optimizations.
2881 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2882 Andrew Pinski <pinskia@physics.uc.edu>
2885 * tree.c (build_array_type): Unify array types with
2886 unspecified index_type.
2887 * c-decl.c (grokdeclarator): Make sure we do not modify a
2888 unified incomplete array type.
2889 * c-typeck.c (store_init_value): Create distinct type before
2890 filling in the index type in an initializer from a compound
2893 * c-decl.c (grokdeclarator): Remove code where we copy the
2896 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2898 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2899 into account for TODO_dump_cgraph.
2900 (TODO_update_ssa_no_phi): Likewise.
2901 (TODO_update_ssa_full_phi): Likewise.
2902 (TODO_update_ssa_only_virtuals): Likewise.
2903 (TODO_remove_unused_locals): Likewise.
2904 (TODO_set_props): Likewise.
2905 (TODO_update_stmt_usage): Likewise.
2907 2006-08-13 Dirk Mueller <dmueller@suse.de>
2909 * c-common.c (strict_aliasing_warning): Fix formatting.
2911 2006-08-13 Matthias Klose <doko@debian.org>
2913 * doc/invoke.texi: Fix spelling errors.
2915 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2917 PR rtl-optimization/23454
2918 * reorg.c (relax_delay_slots): Update comment.
2920 2006-08-11 Richard Guenther <rguenther@suse.de>
2923 * simplify-rtx.c (simplify_const_relational_operation):
2924 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2927 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2929 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2930 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2932 2006-08-10 Paul Brook <paul@codesourcery.com>
2934 * final.c (final_scan_insn): Clear current_insn_predicate before
2935 outputting inline asm.
2937 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2939 PR tree-optimization/26197
2940 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2941 get_ref_base_and_extent and overlap_subvar to add only relevant
2942 subvars as may-aliases.
2943 (add_may_alias_for_new_tag): New function, factored out of
2945 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2946 with additional argument.
2947 * tree-flow.h (new_type_alias): Takes additional argument.
2949 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2951 * gcov.c (no_data_file): New flag.
2952 (read_count_file): Set it if data file not present. Assume counts
2954 (output_lines): Don't name the data file, if there wasn't one.
2956 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2958 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2959 (rs6000_generate_compare): Tweak comments.
2960 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2962 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2964 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2965 (var_debug_decl): New function.
2966 (var_reg_set): Follow debug decl link. Add location even if
2967 reg is already known to hold some other variable.
2968 (var_mem_set): Follow debug decl link.
2969 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2970 decl link. Delete other known locations of the variable part
2972 (var_reg_delete, var_mem_delete): Delete other known locations
2973 of the variable part if requested.
2974 (same_variable_part_p): New function.
2975 (add_stores): Select MO_COPY when appropriate.
2976 (vt_initialize): Handle it.
2977 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2978 known locations for MO_SET and MO_CLOBBER.
2979 (find_variable_location_part): New function.
2980 (set_variable_part, delete_variable_part): Use it.
2981 (clobber_variable_part): New function.
2982 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2985 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2987 PR tree-optimization/26969
2988 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2989 with an empty list of PHIs.
2991 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2995 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2998 2006-08-06 Andreas Schwab <schwab@suse.de>
3000 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3001 string. Whitespace and comment fixup.
3003 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3006 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3010 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3013 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3015 2006-08-04 Jan Hubicka <jh@suse.cz>
3019 * reload.c (push_reload): Patch out the mismatching instruction;
3021 (find_reload): Bail out if the instruction was patched out.
3023 2006-08-04 Jan Hubicka <jh@suse.cz>
3025 PR tree-optimization/24888
3026 * tree-inline.c (expand_call_inline): Do not re-record variables.
3027 (declare_inline_vars): Add variable to unexpanded_var_list.
3029 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3030 Roger Sayle <roger@eyesopen.com>
3032 PR rtl-optimization/26244
3033 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3034 inner_const are negative or greater than or equal to the bitsize of
3035 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3036 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3037 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3038 CONST0_RTX (mode) when the new shift count is greater than or equal to
3039 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3042 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3044 * tree-cfg.c: Fix a comment typo.
3046 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3049 * varasm.c (output_constant): Give the front end another chance to
3050 expand constants, after stripping NOPs.
3052 2006-08-03 Jan Hubicka <jh@suse.cz>
3054 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3057 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3059 PR tree-optimization/27770
3060 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3061 declaration removed (moved to tree-flow.h).
3062 (vect_can_force_dr_alignment_p): Likewise.
3063 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3064 (moved from tree-vectorizer.h).
3065 (vect_can_force_dr_alignment_p): Likewise.
3066 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3067 from outside the vectorizer - in particular from cgraph stage.
3068 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3069 the alignment of global arrays when -fsection-anchors is enabled.
3070 * cgraphunit.c (cgraph_increase_alignment): New function.
3071 (cgraph_optimize): Call cgraph_increase_alignment.
3073 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3076 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3077 not reload a SPE symbol_ref into a lo_sum address.
3079 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3082 * dwarf2out.c (prune_unused_types_prune): Move call to
3083 prune_unused_types_update_strings to cover the parent DIE also.
3085 2006-08-02 Jan Hubicka <jh@suse.cz>
3087 PR gcov/profile/28480
3088 * tree-cfg.c (change_bb_for_stmt): New function.
3089 (tree_merge_blocks, tree_split_blocks): Use it.
3091 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3097 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3098 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3099 (cgraph_optimize): Likewise.
3101 2006-08-01 Stuart Hastings <stuart@apple.com>
3103 * rtl.h (UINTVAL) New.
3104 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3105 * testsuite/gcc.dg/20060801-1.c: New.
3107 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3110 * c-typeck.c (build_external_type): Mark used enum types.
3111 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3113 (gen_subprogram_die): Whitespace fix.
3115 2006-08-01 Jan Hubicka <jh@suse.cz>
3117 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3118 bitmap when not needed.
3119 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3122 2006-08-01 Dirk Mueller <dmueller@suse.de>
3124 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3126 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3128 * Makefile.in: Revert part of previous patch:
3129 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3132 2006-07-30 Eric Christopher <echristo@apple.com>
3135 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3136 (PowerPC Variable Attributes): New section.
3138 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3140 PR target/28126 (partial fix)
3141 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3143 2006-07-28 Jan Hubicka <jh@suse.cz>
3145 PR rtl-optimization/28071
3146 * cfgrtl.c (rtl_delete_block): Free regsets.
3147 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3149 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3151 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3152 and variables used in dependencies.
3154 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3156 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3157 %fs for -mcmodel=kernel.
3158 (stack_tls_protect_test_di): Likewise.
3160 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3162 * Makefile.in: Use mkinstalldirs.
3164 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3167 * opts-common.c (prune_options): Skip joined switches.
3169 2006-07-27 Jan Hubicka <jh@suse.cz>
3171 PR rtl-optimization/28071
3172 * cselib.c (cselib_process_insn): Don't remove useless values too
3173 often for very large hashtables.
3175 2006-07-27 Jan Hubicka <jh@suse.cz>
3177 PR rtl-optimization/28071
3178 * global.c (greg_obstack): New obstack.
3179 (allocate_bb_info): Use it.
3180 (free_bb_info): Likewise.
3181 (modify_reg_pav): Likewise.
3183 2006-07-27 Roger Sayle <roger@eyesopen.com>
3185 * builtins.c (fold_fixed_mathfn): When long and long long are the
3186 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3187 functions to their lceil*, lfloor*, lround* and lrint* forms.
3189 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3192 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3194 (rev_branch_insn): Likewise.
3196 2006-07-27 Jan Hubicka <jh@suse.cz>
3198 PR rtl-optimization/28071
3199 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3200 (reg_set_in_bb, max_reg_computed): New static variables.
3201 (regmove_optimize): Free the new array.
3202 (fixup_match_1): Update call of reg_is_remote_constant_p.
3204 2006-07-26 Jan Hubicka <jh@suse.cz>
3206 PR tree-optimization/27882
3207 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3209 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3211 (cgraph_analyze_compilation_unit): Likewise.
3212 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3213 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3214 (cgraph_early_inlinine): Make order garbage collected.
3215 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3217 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3219 * dbxout.c (output_types_sort): Add a comment.
3220 (output_used_types): Free the VEC.
3222 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3224 * function.c (reorder_fix_fragments): Delete.
3225 (reorder_blocks): Don't call it.
3226 (reorder_blocks_1): Put all subblocks under the origin block.
3228 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3230 PR rtl-optimization/27907
3231 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3234 2006-07-25 Roger Sayle <roger@eyesopen.com>
3237 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3238 bar(x) check that bar's result type can represent all the values of T.
3240 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3242 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3244 2006-07-25 Nick Clifton <nickc@redhat.com>
3246 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3247 size_lookup[] array.
3248 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3249 (ggc_pch_count_object): Likewise.
3250 (ggc_pch_alloc_object): Likewise.
3251 (ggc_pch_write_object): Likewise.
3252 (init_ggc): Do not attempt to initialize entries in the
3253 size_lookup[] array for objects whose size is greater than than
3254 the length of the array.
3256 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3258 * dbxout.c (output_used_types_helper): Push queued types
3260 (output_types_sort): New.
3261 (output_used_types): Collect used types on a VEC and sort them
3264 2006-07-24 Richard Guenther <rguenther@suse.de>
3267 * cgraph.c (cgraph_remove_node): Do not check if dumps
3269 * cgraphunit.c (cgraph_optimize): Likewise.
3271 2006-07-24 Jan Hubicka <jh@suse.cz>
3273 PR rtl-optimization/28071
3274 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3275 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3276 splitting before first stmt.
3278 2006-07-24 Jan Hubicka <jh@suse.cz>
3280 PR rtl-optimization/28071
3281 * ipa-inline.c (update_caller_keys): Remove edges that
3282 are no longer inline candidates.
3284 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3287 * dbxout.c (output_used_types_helper, output_used_types): New.
3288 (dbxout_symbol): Call output_used_types.
3290 2006-07-23 Jan Hubicka <jh@suse.cz>
3294 * cgraph.c (cgraph_varpool_nodes): Export.
3295 (decide_is_variable_needed): Ignored "used" attribute in
3296 unit-at-a-time mode.
3297 * cgraph.h (cgraph_varpool_nodes): Declare.
3298 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3299 unit-at-a-time mode.
3301 2006-07-23 Roger Sayle <roger@eyesopen.com>
3304 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3305 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3306 the __gthrw form of thr_keycreate.
3307 (__gthread_key_delete): Silence the unused argument warning.
3309 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3312 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3313 Cache the last found '\0' marker to avoid quadratic behavior.
3315 2006-07-23 Jan Hubicka <jh@suse.cz>
3317 * i386.md (subsi_3_zext): Fix output template.
3319 2006-07-21 Mike Stump <mrs@apple.com>
3321 * doc/invoke.texi (C++ Dialect Options): Note that
3322 -fvisibility-inlines-hidden doesn't affect explicitly
3323 instantiationed inline methods.
3325 2006-07-20 Roger Sayle <roger@eyesopen.com>
3327 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3328 if the target assembler is GNU binutils' gas.
3329 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3330 whether to pass GNU gas or native as command line options.
3332 2006-07-20 Jason Merrill <jason@redhat.com>
3334 * tree.c (remove_attribute): New fn.
3335 * tree.h: Declare it.
3337 2006-07-20 Paul Brook <paul@codesourcery.com>
3340 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3341 they are invalidated by this instruction.
3343 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3346 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3348 2006-07-20 Eric Christopher <echristo@apple.com>
3351 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3353 2006-07-19 Eric Christopher <echristo@apple.com>
3355 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3356 Rewrite dependencies for libgcc_s.1.dylib.
3358 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3360 * except.c (duplicate_eh_regions_1): Clear next_peer.
3362 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3364 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3365 -mlongcall does not guarantee all calls will be long.
3366 * doc/extend.texi (long_call/short_call): Document that longcall
3367 does not guarantee a long call will be used.
3368 (longcall/shortcall): Likewise.
3370 2006-07-18 Roger Sayle <roger@eyesopen.com>
3373 * expmed.c (expand_shift): Additionally check that the shift_cost
3374 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3375 before implementing a LSHIFT_EXPR as a sequence of additions.
3376 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3377 middle-end that DImode shifts need to be synthesized by expand.
3379 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3382 * tree-ssa-operands.c (access_can_touch_variable): Update
3384 Return true if ALIAS is .GLOBAL_VAR.
3386 2006-07-18 David Daney <ddaney@avtrex.com>
3388 * gcc.c (display_help): Fix typo in help text.
3390 2006-07-18 Olivier Hainque <hainque@adacore.com>
3392 * tree.h (categorize_ctor_elements): Adjust prototype and add
3393 descriptive comment, both in accordance with the interface change
3395 * varasm.c (constructor_static_from_elts_p): New function.
3396 Whether a constructor node is a valid static constant initializer
3397 if all its elements are.
3398 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3399 * output.h: Declare it.
3400 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3401 is a valid constant initializer instead of computing the number of
3402 non-constant elements. Use constructor_static_from_elts_p for this
3403 purpose. Replace the head comment with an indication that this is a
3404 helper for categorize_ctor_elements.
3405 (categorize_ctor_elements): Same interface change as for the _1
3406 helper. Former head comment from this helper moved here, adjusted to
3407 account for the interface changes.
3408 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3409 (all_zeros_p): Likewise.
3410 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3411 static versions of the constructor from the categorize_ctor_elements
3412 return value instead of the formerly computed number of non-constant
3415 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3417 * configure: Regenerate.
3418 * Makefile.in (build_libsubdir): New configure substitution
3419 (build_libobjdir): New variable.
3420 (BUILD_LIBIBERTY): Use it.
3422 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3425 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3427 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3430 * c-common.c (handle_weakref_attribute): Ignore attribute in
3431 the same conditions the alias attribute is ignored.
3433 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3435 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3436 (dbxout_begin_prologue): Increment scope_labelno.
3438 2006-07-17 Richard Henderson <rth@redhat.com>
3441 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3444 2006-07-17 Roger Sayle <roger@eyesopen.com>
3445 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3447 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3448 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3449 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3450 functions such as sbrk, write, etc.. Add function prototypes.
3451 Convert function declarations from K&R to ISO C. Cast pointers
3452 to "long" and "unsigned long" instead of "int" and "unsigned int".
3453 Convert tokens following #endif into comments.
3455 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3457 * invoke.texi: Remove mention of f77; Reformat table for
3458 inline parameter options correctly; mention that -malign-double
3459 is default on x86-64 targets.
3461 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3463 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3464 (convert_affine_scev, chrec_convert_aggressive): Use
3465 avoid_arithmetics_in_type_p. Do not check for the subtypes
3468 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3471 * optabs.c (expand_doubleword_shift): Wrap the call to
3472 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3474 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3477 * optabs.c (expand_binop): Pass next_methods rather than methods
3478 to expand_doubleword_shift.
3480 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3483 * tree.h (dump_addr): Declare.
3484 * print-tree.c (dump_addr): New function.
3485 (print_node_brief, print_node): Use it.
3486 * print-rtl.c (print_rtx): Likewise.
3487 * common.opt (-fdump-noaddr): New option.
3488 * doc/invoke.texi (-fdump-noaddr): Document.
3489 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3490 (ve_info_hash): Likewise.
3492 2006-07-13 Andrew Haley <aph@redhat.com>
3494 PR tree-optimization/19505
3495 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3496 edge leaving this block, make sure that the destination of this
3497 block has only one predecessor.
3499 2006-07-17 Richard Guenther <rguenther@suse.de>
3501 PR tree-optimization/28238
3502 * tree-inline.c (copy_bb): Check if we produced valid
3503 gimple copying and substituting a stmt. If not, gimplify
3506 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3508 * optabs.c (maybe_encapsulate_block): New function extracted from...
3509 (emit_libcall_block): ...here. Invoke it on the block of insns to
3510 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3511 (emit_no_conflict_block): Likewise.
3513 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3515 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3517 2006-07-15 Roger Sayle <roger@eyesopen.com>
3519 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3520 a new NOP_EXPR case of the switch statement.
3522 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3525 * stor-layout.c (place_field): Take the bit field with
3526 an excessive size into account in the ms-bitfiled case.
3529 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3530 the previous bit field.
3532 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3535 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3537 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3539 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3540 signal frames correctly even when the signal was installed with
3543 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3545 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3546 (dbxout_function_end): Use local label LFBB. Remove hook
3548 (dbxout_source_line): Use local label LFBB.
3549 (dbxout_block): Likewise.
3550 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3551 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3552 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3553 and DBX_OUTPUT_NFUN.
3555 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3557 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3559 2006-07-13 Jan Hubicka <jh@suse.cz>
3561 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3563 * output.h (align_variable): Declare.
3564 * varasm.c (align_variable): Export.
3565 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3566 when basic block changed.
3568 2006-07-13 Nick Clifton <nickc@redhat.com>
3570 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3571 walking the LOG_LINKS chain.
3573 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3575 * doc/invoke.texi (C++ Dialect Options): Explain difference
3576 between -fvisibility-inlines-hidden and setting hidden
3577 visibility explicitly.
3579 2006-07-12 Eric Christopher <echristo@apple.com>
3581 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3582 (stmp-lipo): Depend on libgcc.a.
3584 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3586 * tree.c: Fix a comment typo.
3588 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3590 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3592 (umulhisi3_r): Likewise.
3594 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3597 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3598 x < 19, vs wchar_t support.
3600 2006-07-12 Nick Clifton <nickc@redhat.com>
3602 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3603 instead of -isa=sh4.
3605 2006-07-12 Mike Stump <mrs@apple.com>
3607 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3609 2006-07-10 Eric Christopher <echristo@apple.com>
3611 * config/t-slibgcc-darwin: Rewrite.
3613 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3616 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3619 2006-07-08 Matthias Klose <doko@debian.org>
3621 * doc/sourcebuild.texi: Fix typo.
3623 2006-07-07 Mike Stump <mrs@apple.com>
3625 * toplev.c (process_options): Don't give -ffunction-sections may
3626 affect debugging warning for Mach-O.
3628 2006-07-07 James E Wilson <wilson@specifix.com>
3630 * config/mips/mips.md (cpu): Add sb1a.
3631 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3632 addition to sb1. Adjust comments to clarify SB-1A differences from
3634 (ir_sb1a_load): New. Modify bypasses to use it.
3635 (ir_sb1a_simple_alu): Likewise.
3636 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3637 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3638 (mips_issue_rate): Add PROCESSOR_SB1A.
3639 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3640 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3641 (TARGET_SB1): Add PROCESSOR_SB1A check.
3642 (TUNE_SB1): Likewise.
3644 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3645 * config/mips/mips.c (mips_store_data_bypass_p): New.
3646 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3647 store_data_bypass_p.
3649 2006-07-08 Paul Brook <paul@codesourcery.com>
3652 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3654 2006-07-07 Richard Guenther <rguenther@suse.de>
3657 * tree.h (build_one_cst): Declare.
3658 * tree.c (build_one_cst): New function.
3659 * tree-ssa-math-opts.c (get_constant_one): Remove.
3660 (insert_reciprocals): Use build_one_cst.
3661 * fold-const.c (fold_plusminus_mult): Likewise.
3663 2006-07-07 Roger Sayle <roger@eyesopen.com>
3665 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3666 * cfgloopanal.c (dump_graph): Likewise.
3667 * dojump.c (discard_pending_stack_adjust): Likewise.
3668 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3670 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3671 * function.c (finalize_block_changes): Likewise.
3672 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3673 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3674 * rtl.c (dump_rtx_statistics): Likewise.
3675 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3677 * varray.c (dump_varray_statistics): Likewise.
3678 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3679 decode_decimal64, encode_decimal128, decode_decimal128,
3680 decimal_real_to_decimal): Likewise.
3682 2006-07-07 Richard Guenther <rguenther@suse.de>
3684 PR tree-optimization/28187
3685 * tree-vrp.c (vrp_operand_equal_p): New function.
3686 (vrp_bitmap_equal_p): Likewise.
3687 (update_value_range): Use them to compare old and new
3690 2006-07-06 Roger Sayle <roger@eyesopen.com>
3692 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3693 a default case to switch statement to silence compiler warnings.
3695 2006-07-06 Roger Sayle <roger@eyesopen.com>
3698 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3699 the configured assembler supports the x87's ffreep mnemonic.
3700 * configure: Regenerate.
3701 * config.in: Regenerate.
3703 * config/i386/i386.c (output_387_ffreep): New function.
3704 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3705 (output_387_reg_move): Likewise.
3707 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3709 Port to hosts whose 'sort' and 'tail' implementations
3710 treat operands with leading '+' as file names, as POSIX
3711 has required since 2001. However, make sure the code still
3712 works on pre-POSIX hosts.
3713 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3714 which says you should use "tail -c +N" rather than "tail +Nc".
3715 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3717 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3719 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3722 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3725 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3726 PRE_{INC,DEC} of TFmode.
3728 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3729 Alan Modra <amodra@bigpond.net.au>
3732 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3735 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3738 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3739 Remove duplicate gtu.
3741 2006-07-05 Jason Merrill <jason@redhat.com>
3745 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3746 * c-common.c (handle_packed_attribute): So don't copy it here.
3747 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3749 2006-07-05 Mike Stump <mrs@apple.com>
3751 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3753 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3756 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3758 2006-07-05 Richard Guenther <rguenther@suse.de>
3761 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3762 TARGET_SSE2 targets if using SSE math.
3763 (*absdf2_1): Likewise.
3765 2006-07-05 Richard Guenther <rguenther@suse.de>
3767 PR tree-optimization/28162
3768 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3769 make sure to convert the operands to the correct type.
3771 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3773 PR tree-optimization/28218
3775 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3776 to calculate and free the dominator information.
3778 2006-07-04 Peter O'Gorman <peter@pogma.com>
3780 * mklibgcc.in: chmod 644 before ranlib during install.
3782 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3783 J"orn Rennecke <joern.rennecke@st.com>
3785 * configure.ac (.eh_frame data check): Use diff -b.
3787 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3790 * Makefile.in (BUILD_RTL): Add build/vec.o.
3791 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3792 (build/genextract): Delete.
3793 (build/genautomata): Likewise.
3795 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3798 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3799 128-bit IBM long doubles for ABI_V4.
3801 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3803 * tree.c (range_in_array_bounds_p): New predicate.
3804 * tree.h (range_in_array_bounds_p): Declare it.
3805 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3806 return a less conservative answer.
3807 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3808 and flag 'is_group'.
3809 (IS_ELEMENT_FOR_GROUP): New macro.
3810 (FOR_EACH_ACTUAL_CHILD): Likewise.
3811 (next_child_for_group): New helper function.
3812 (can_completely_scalarize_p): Take into account groups.
3813 (sra_hash_tree): Handle RANGE_EXPR.
3814 (sra_elt_eq): Likewise.
3815 (lookup_element): Be prepared for handling groups.
3816 (is_valid_const_index): Delete.
3817 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3818 instead of is_valid_const_index.
3819 <ARRAY_RANGE_REF>: New case.
3820 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3821 is_valid_const_index.
3822 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3823 (scan_dump): Dump info for groups too.
3824 (decide_instantiation_1): Likewise.
3825 (decide_block_copy): Assert that the element is not a group.
3826 Propagate decision to groups.
3827 (generate_one_element_ref): Handle RANGE_EXPR.
3828 (mark_no_warning): Iterate over actual childs.
3829 (generate_copy_inout): Likewise.
3830 (generate_element_copy): Likewise.
3831 (generate_element_zero): Likewise.
3832 (generate_element_init_1): Likewise.
3833 (dump_sra_elt_name): Handle RANGE_EXPR.
3835 2006-07-03 Roger Sayle <roger@eyesopen.com>
3837 PR tree-optimization/26251
3838 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3839 (thread_block): When optimizing for size refuse to thread jumps
3840 that would require duplication of blocks other than redirection
3843 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3845 * configure.ac: Fix thinko in previous check-in.
3846 * configure: Regenerate.
3848 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3851 * configure.ac (for lang...): Simplify nesting of conditionals.
3852 Test subdir_requires for non-enabled languages. Move processing
3853 of lang_opt_files and lang_tree_fiels below that test.
3854 * configure: Regenerate.
3855 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3857 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3859 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3861 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3863 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3866 2006-06-29 Jason Merrill <jason@redhat.com>
3873 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3874 * c-common.c (c_determine_visibility): Handle it here.
3875 * c-decl.c (finish_decl): Call c_determine_visibility for
3877 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3879 * varasm.c (default_assemble_visibility): Likewise.
3880 * c-common.c (handle_visibility_attribute): Complain about trying
3881 to give visibility to an already defined class, or trying to change
3882 declared visibility. Always attach the attribute.
3887 * attribs.c (decl_attributes): Ignore type-in-place attributes
3888 once the type has been defined.
3890 2006-06-29 Roger Sayle <roger@eyesopen.com>
3893 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3894 to indicate the cpplib has issued an error message for us.
3896 2006-06-29 Asher Langton <langton2@llnl.gov>
3899 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3900 insert a label at the end of an function under Mach-O.
3902 2006-06-29 Eric Christopher <echristo@apple.com>
3903 Evan Cheng <evan.cheng@apple.com>
3905 * predicates.md (vector_all_ones_operand): New.
3906 (nonimmediate_or_sse_const_operand): Ditto.
3907 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3908 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3909 (standard_sse_mode_p): Ditto.
3910 (standard_sse_constant_p): Add case for -1 vector.
3911 (ix86_expand_vector_move): Try to use.
3912 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3913 Call standard_sse_constant_opcode.
3914 (*movv4sf_internal): Ditto.
3915 (*movv2df_internal): Ditto.
3917 2006-06-29 Roger Sayle <roger@eyesopen.com>
3919 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3920 of XEXP to extract the operands of a MATCH_CODE rtx.
3922 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3924 * tree.c (tree_size): Do not waste tail padding in
3925 struct tree_string and make the size be the same as
3926 build_string will generate.
3928 2006-06-28 Jason Merrill <jason@redhat.com>
3931 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3932 may_aliases already in the tag's annotations to the bitmap.
3934 2006-06-28 Roger Sayle <roger@eyesopen.com>
3936 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3938 2006-06-28 Roger Sayle <roger@eyesopen.com>
3940 * genpreds.c (generate_switch_p): New function.
3941 (add_mode_tests): Push the new mode test down inside an AND expr
3942 if this allows the switch-suitable MATCH_CODE to be near the root.
3943 (write_match_code_switch): New function to write a MATCH_CODE as
3945 (write_predicate_stmts): New function to write a predicate RTX
3946 expression as a sequence of statements.
3947 (write_one_predicate_function): Use write_predicate_stmts.
3948 (write_tm_constrs_h): Likewise.
3950 2006-06-26 Fred Fish <fnf@specifix.com>
3952 * config/mips/t-sb1: New file.
3953 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3956 2006-06-26 DJ Delorie <dj@redhat.com>
3958 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3960 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3961 Jayant Sonar <jayants@kpitcummins.com>
3962 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3964 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3965 (subsi3, subsi3_1, subsi3_2): New.
3966 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3967 * config/m32c/mov.md (SI mov peephole): New.
3968 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3969 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3971 2006-06-26 Olivier Hainque <hainque@adacore.com>
3973 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3974 a CALL_EXPR target function declaration.
3976 2006-06-26 Richard Guenther <rguenther@suse.de>
3978 * tree.c (build_string): Do not waste tail padding in
3981 2006-06-26 Richard Guenther <rguenther@suse.de>
3983 * ggc-page.c (init_ggc): Add missing element to size_lookup
3987 2006-06-23 Richard Guenther <rguenther@suse.de>
3989 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3990 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3991 alignment requests instead. Add verification code.
3992 Add struct tree_function_decl and struct tree_binfo size to
3993 extra_order_size_table. Add missing element to size_lookup
3996 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3999 * fold-const.c (const_binop): Be prepared for self returning zero.
4000 Simplify code handling complex values.
4002 2006-06-24 Olivier Hainque <hainque@adacore.com>
4004 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4005 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4008 2006-06-24 Olivier Hainque <hainque@adacore.com>
4010 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4011 ARRAY_REF, so have the callback called for the low bound expression.
4013 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4015 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4016 * c-typeck.c (c_common_type): Disallow operations on decimal float
4017 types and other float types.
4018 * convert.c (convert_to_real): Don't ignore conversions involving
4019 decimal float types.
4021 2006-06-23 Olivier Hainque <hainque@adacore.com>
4023 * tree.c (max_int_size_in_bytes): New function, inspired from
4024 code in function.c:assign_temp.
4025 * tree.h (max_int_size_in_bytes): Declare.
4026 * function.c (assign_temp): Use it.
4027 * gimplify.c (create_tmp_var): Relax the assertions on the type
4028 properties, not mandating constant size any more.
4029 (force_constant_size): New static function.
4030 (gimple_add_tmp_var): Use it, forcing variable size to a
4031 constant upper bound if it is not constant on entry.
4033 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4036 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4037 for initialization and setting of one_only flag to ...
4038 (i386_pe_encode_section_info): ...here.
4039 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4040 Recheck that the symbol has not been defined.
4042 2006-06-23 Richard Guenther <rguenther@suse.de>
4044 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4045 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4046 alignment requests instead. Add verification code.
4047 Add struct tree_function_decl and struct tree_binfo size to
4048 extra_order_size_table. Add missing element to size_lookup
4051 2006-06-22 Roger Sayle <roger@eyesopen.com>
4052 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4055 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4056 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4058 2006-06-23 Ben Elliston <bje@au.ibm.com>
4060 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4061 negate dn -- manipulate it directly.
4063 2006-06-22 Roger Sayle <roger@eyesopen.com>
4064 Steven Bosscher <stevenb.gcc@gmail.com>
4067 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4068 generated by gen_move_insn to add REG_LABEL notes if necessary.
4070 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4072 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4073 (leaf_entry): Remove use of MIN_ESA.
4075 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4077 PR rtl-optimization/28121
4078 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4081 2006-06-21 DJ Delorie <dj@redhat.com>
4083 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4085 (mulhisi3_r): Likewise.
4087 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4090 * coverage.c (coverage_counter_alloc): Leave the index type
4092 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4095 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4097 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4098 section from the "Options for Code Generation Conventions".
4100 2006-06-21 Richard Henderson <rth@redhat.com>
4104 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4106 (global_symbolic_operand): Allow weak symbols, even if local_p.
4108 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4110 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4111 (find_interesting_uses_address): Punt if above function returns true.
4113 2006-06-21 Richard Guenther <rguenther@suse.de>
4115 * configure: Regenerated.
4117 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4119 * config/mips/mips.c (function_arg): Where one part of a
4120 complex argument is in registers and the other part in the stack,
4121 return a REG not a PARALLEL.
4123 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4125 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4126 when cross-compiling. Do not substitute libstdcxx_incdir.
4127 * configure: Regenerated.
4129 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4131 * varasm.c (mergeable_string_section): Check for embedded NULs and
4132 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4133 rather than TREE_STRING_LENGTH bytes.
4135 2006-06-21 Richard Guenther <rguenther@suse.de>
4137 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4138 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4141 2006-06-21 Richrad Guenther <rguenther@suse.de>
4143 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4144 Limit iteration over the dominators.
4146 2006-06-20 Roger Sayle <roger@eyesopen.com>
4148 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4149 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4151 2006-06-20 Richard Guenther <rguenther@suse.de>
4152 Michael Matz <matz@suse.de>
4154 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4156 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4157 * et-forest.h (et_free_pools): Prototype new function.
4158 * et-forest.c (et_free_tree_force): Free parent occurrence.
4159 (et_free_pools): New function.
4160 * dominance.c (free_dominance_info): Free et-forest alloc
4163 2006-06-20 Roger Sayle <roger@eyesopen.com>
4165 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4166 integer modes, attempt to directly construct an integer constant.
4168 * fold-const.c (native_encode_vector): Determine the size of each
4169 element from the vector type instead of the first vector element.
4171 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4172 if all of its elements/components are constant.
4173 (build_constructor_from_list): Likewise.
4175 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4177 PR tree-optimization/27331
4178 * tree-data-ref.c (free_data_ref): New function.
4179 (create_data_ref): Fail if the data reference has unknown access
4181 (free_data_refs): Use free_data_ref.
4183 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4186 * tree-inline.c (setup_one_parameter): Strip useless
4187 type conversion before adding it to the IR.
4188 (declare_return_variable): Likewise.
4190 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4193 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4195 2006-06-19 Mike Stump <mrs@apple.com>
4197 * tree.c (variably_modified_type_p): VM arguments don't make the
4200 2006-06-19 Richard Guenther <rguenther@suse.de>
4202 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4203 type conversions after folding.
4205 2006-06-19 Richard Guenther <rguenther@suse.de>
4207 * ggc-page.c (extra_order_size_tab): Add entries with
4208 size of struct function and basic_block.
4209 (size_lookup): Extend to cover sizes up to 511.
4210 (ggc_alloc_stat): Adjust user.
4211 (ggc_pch_count_object): Likewise.
4212 (ggc_pch_alloc_object): Likewise.
4213 (ggc_pch_write_object): Likewise.
4215 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4217 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4218 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4221 2006-06-19 Denis Chertykov <denisc@overta.ru>
4223 * config/avr/libgcc.S : Correct my wrong previous commit.
4225 2006-06-19 Roger Sayle <roger@eyesopen.com>
4228 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4229 have stripped a SUBREG from the shift count, so we may need to
4230 convert_to_mode back to the type's mode before calling make_tree.
4231 Use new_amount instead of amount to avoid expanding a tree twice.
4233 2006-06-19 Richard Guenther <rguenther@suse.de>
4236 * fold-const.c (operand_equal_p): Check if the argument types
4237 have the same precision before stripping NOPs.
4239 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4241 Fix PR tree-optimization/27341
4242 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4244 * tree-complex.c (pass_lower_complex): Update SMT usage.
4246 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4248 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4249 Add a new alternative to the constraint strings. Add move of
4250 operand 1 to 3 to the splitter definition.
4251 ("doloop_si_long"): Second contraint alternative removed.
4253 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4255 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4256 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4258 (AVR_HAVE_MOVW) Define.
4259 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4260 (ASM_SPEC): Add avr25.
4261 (LINK_SPEC): Add avr25.
4262 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4263 (base_arch_s): Add new member 'have_movw_lpmx'.
4264 (avr_arch_types): Init 'have_movw_lpmx'.
4265 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4266 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4267 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4268 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4269 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4271 (avr_file_start): Do not output '.arh' derective.
4272 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4273 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4274 * config/avr/avr.md (mcu_enhanced): Delete.
4275 (mcu_have_movw): Define.
4276 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4277 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4278 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4279 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4280 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4281 attiny861 and at86rf401 devices.
4283 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4285 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4288 2006-06-17 Karl Berry <karl@gnu.org>
4290 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4291 doc/gccint.texi, doc/install.texi (@dircategory): Use
4292 "Software development" instead of "Programming", following
4293 the Free Software Directory.
4295 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4297 * config/i386/i386.c (legitimate_tls_address)
4298 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4299 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4300 (*tls_dynamic_gnu2_combine_64): Likewise.
4302 2006-06-16 Richard Guenther <rguenther@suse.de>
4305 * fold-const.c (negate_expr_p): Do not introduce undefined
4306 overflow in negating INTEGER_CSTs.
4307 (fold_negate_expr): Rename from negate_expr. Revert last
4308 change for folding BIT_NOT_EXPR. Change semantics to
4309 return NULL_TREE for non-simplified negations. Do not
4310 strip type conversions and unify type handling.
4311 (negate_expr): New function, wrap around fold_negate_expr
4312 but ensure building a tree always. Strip type conversions
4313 here, fold to result type.
4314 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4316 2006-06-16 Roger Sayle <roger@eyesopen.com>
4319 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4320 that (would) return their results in stack registers.
4322 2006-06-16 Michael Matz <matz@suse.de>
4323 Richard Guenther <rguenther@suse.de>
4325 * fold-const.c (fold_truthop): Only return new tree node if
4326 we canonicalized something.
4328 2006-06-16 Richard Guenther <rguenther@suse.de>
4330 * function.h (enum function_frequency): Move declaration
4331 out of struct function.
4332 (struct function): Move bool fields and the enum to the bitfield
4333 section. Reorder elements to avoid padding. Remove unused
4334 fields left over from the RTL inliner removal.
4335 * function.c (free_after_compilation): Do not zero removed fields.
4336 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4337 (ipa-type-escape.o): Likewise.
4339 2006-06-16 Richard Guenther <rguenther@suse.de>
4341 * cgraph.h (struct cgraph_local_info): Turn bool elements
4343 (struct cgraph_node): Likewise.
4344 (struct cgraph_varpool_node): Likewise.
4346 2006-06-15 Richard Guenther <rguenther@suse.de>
4348 * fold-const.c (fold_truth_not_expr): Rename from
4349 invert_truthvalue. Give it fold_* semantics to avoid
4351 (invert_truthvalue): New function. Wrapper around
4352 fold_truth_not_expr.
4353 (optimize_minmax_comparison): Avoid creating garbage.
4354 (fold_unary): Use fold_truth_not_expr for folding
4356 (fold_ternary): Replace uses of invert_truthvalue with
4357 fold_truth_not_expr where applicable.
4358 * tree.h (fold_truth_not_expr): Prototype.
4360 2006-06-16 Richard Guenther <rguenther@suse.de>
4362 PR tree-optimization/27781
4363 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4364 * ipa-pure-const.c (target.h): Include.
4365 (analyze_function): Do not analyze functions that do not
4368 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4371 * tree-dfa.c (referenced_vars_dup_list): Remove.
4372 (find_referenced_vars): Remove assert.
4373 (referenced_var_check_and_insert): Replace dup list with assert.
4374 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4375 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4377 2006-06-15 Richard Guenther <rguenther@suse.de>
4379 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4380 extra unused identifiers if not dumping.
4381 (create_variable_info_for): Likewise.
4383 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4385 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4386 (derive_constant_upper_bound): Derive more precise upper bound in
4387 common cases. Return type changed to double_int.
4388 (record_estimate): Reflect the changed return type of
4389 derive_constant_upper_bound.
4390 * double-int.c (double_int_zext, double_int_sext): Fix.
4392 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4394 * configure.ac (CFLAGS): Get them from the toplevel or from the
4395 configure invocation.
4396 * configure: Regenerate.
4397 * Makefile.in (CFLAGS): Substitute value provided by configure.
4399 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4402 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4403 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4404 rather than calling add_stmt on it.
4405 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4407 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4410 * reload1.c (reload): Remove registers returned by update_eliminables
4411 from used_spill_regs.
4413 2006-06-13 DJ Delorie <dj@redhat.com>
4415 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4417 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4419 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4420 html__strip_dir, html__mkdir_p. Enhance install-html target.
4421 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4422 * configure: Regenerate.
4424 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4426 * fold-const.c (fold_cond_expr_with_comparison): Check for
4427 Objective-C++ as language in deciding COND_EXPR transformation.
4429 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4432 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4433 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4434 * config/sh/lib1funcs.h (SL, SL1): Define.
4435 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4436 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4437 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4438 (OBJS_Os_4_200): New variable.
4439 ($(T)libgcc-Os-4-200.a): Use it.
4440 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4441 when dividing 1 and/or by 0.
4443 2006-06-13 Roger Sayle <roger@eyesopen.com>
4445 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4446 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4447 * configure: Regenerate.
4449 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4451 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4452 for real instruction.
4454 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4457 * haifa-sched.c (check_cfg): Handle special case.
4459 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4462 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4463 Add debug_info parameter. Chain the vars to the BLOCK instead
4464 of the BIND_EXPR if debug info are requested for them.
4465 (pop_gimplify_context): Adjust for above change.
4466 (gimple_add_tmp_var): Likewise.
4467 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4469 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4470 (convert_local_reference): Likewise.
4471 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4472 (finalize_nesting_tree_1): Request that debug info be emitted
4473 for debug_var_chain.
4475 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4477 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4478 for PR target/27863.
4480 2006-06-13 Richard Guenther <rguenther@suse.de>
4483 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4485 2006-06-13 Richard Guenther <rguenther@suse.de>
4487 PR tree-optimization/27830
4488 * tree-inline.c (copy_body_r): For copying the operand
4489 of an ADDR_EXPR make sure to fold &* afterwards.
4491 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4493 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4494 lvalues in the fb_none case with side-effects.
4496 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4498 * tree-flow.h: Remove the prototype for
4499 compute_phi_arg_on_exit.
4500 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4501 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4504 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4506 * builtins.c (expand_builtin_return_addr): Only use
4507 frame_pointer_rtx when count == 0 and we are expanding
4508 __builtin_return_address.
4510 2006-06-12 Fred Fish <fnf@specifix.com>
4512 * config/mips/mips.c (mips_file_start): Create special section
4513 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4515 2006-06-11 Eric Christopher <echristo@apple.com>
4518 * stor-layout.c (place_field): Remove check for
4519 remaining_in_alignment when aligning at the end of a run.
4521 2006-06-11 Eric Christopher <echristo@apple.com>
4524 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4527 2006-06-11 Roger Sayle <roger@eyesopen.com>
4530 Revert incorrect fix for PR target/27158
4531 2006-05-08 Roger Sayle <roger@eyesopen.com>
4532 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4533 of a reg_equiv_constant if the result is a legitimate constant.
4535 2006-06-11 Roger Sayle <roger@eyesopen.com>
4538 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4539 extract a CONST_VECTOR element and interpret it as an integer.
4540 (vspltis_constant): Use const_vector_elt_as_int instead of the
4541 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4542 * config/rs6000/predicates.md (easy_vector_const): Consider
4543 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4545 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4548 * stor-layout.c (update_alignment_for_field): Don't add extra
4549 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4552 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4554 * config/mips/t-rtems: Add EL/EB multilib variants.
4556 2006-06-09 Mike Stump <mrs@apple.com>
4558 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4560 2006-06-09 David Daney <ddaney@avtrex.com>
4562 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4564 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4566 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4568 2006-06-09 Richard Guenther <rguenther@suse.de>
4570 PR tree-optimization/26998
4571 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4572 of signed types, only TYPE_MIN_VALUE is special, but for both,
4573 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4574 in this case, as is -fwrapv.
4576 2006-06-08 Mike Stump <mrs@apple.com>
4579 * config/darwin.c (darwin_asm_output_anchor): Disable
4580 -fsection-anchors on darwin for now.
4581 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4582 * rs6000/rs6000.c (optimization_options): Likewise.
4584 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4587 * config/i386/i386.c (classify_argument): Skip fields with invalid
4590 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4592 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4593 (cse_insn): Likewise for the stack_pointer_rtx.
4595 2006-06-08 Roger Sayle <roger@eyesopen.com>
4597 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4598 conditions from floating point comparisons.
4600 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4603 * expmed.c (struct alg_hash_entry): Fix type of field T
4604 to match synth_mult argument.
4605 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4607 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4610 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4613 2006-06-08 Richard Guenther <rguenther@suse.de>
4616 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4617 only, if overflow is defined and not trapping.
4618 (negate_expr): Likewise.
4620 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4622 PR tree-optimization/27872
4623 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4624 flag on the new exit edge of the unrolled loop.
4626 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4628 PR rtl-optimization/26449
4629 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4631 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4634 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4635 referenced_variables with matching DECL_UID's.
4636 (find_referenced_vars): Make sure duplicate list is empty to start.
4637 (referenced_var_p): Remove.
4638 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4639 Check if var is in the list, and add if needed. Update the duplicate
4640 list if a different var is in the list with the same DECL_UID.
4641 (add_referenced_var): Call routine to check and insert.
4642 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4643 * tree-flow.h (referenced_vars_dup_list): External declaration.
4645 2006-06-07 Fred Fish <fnf@specifix.com>
4647 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4650 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4653 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4654 the imaginary and real parts of a clobbered register.
4655 Emit insn to set the imaginary part.
4657 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4659 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4660 in lieu of unwind-dw2-fde.c.
4662 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4664 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4666 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4669 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4670 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4671 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4672 V4SImode temporaries and operations instead.
4674 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4676 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4679 2006-06-06 Mike Stump <mrs@apple.com>
4681 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4682 installing during build.
4684 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4686 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4688 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4689 * config/ia64/ia64.c (params.h): New header.
4690 (ia64_optimization_options): New function to adjust parameters.
4691 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4692 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4693 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4695 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4697 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4699 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4702 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4704 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4705 Victor Kaplansky <victork@il.ibm.com>
4707 PR tree-optimization/26360
4708 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4711 2006-06-04 Roger Sayle <roger@eyesopen.com>
4712 Andrew Pinski <pinskia@physics.uc.edu>
4715 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4716 for LABEL_DECL before calling DECL_WEAK.
4719 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4720 LABEL_DECL and PARM_DECL.
4722 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4726 * c-decl.c (grokdeclarator): Disallow variably modified types at
4727 file scope. Avoid marking shared array type of constant size as
4730 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4733 * c-common.c (fold_offsetof_1): Handle static members.
4735 2006-06-04 Eric Christopher <echristo@apple.com>
4737 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4738 (debug_rli): Output value for remaining_in_alignment.
4739 (update_alignment_for_field): Unconditionalize
4740 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4741 extra alignment code.
4742 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4743 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4744 * tree.h (record_layout_info_s): Remove prev_packed.
4745 * doc/extend.texi (ms_struct): Add documentation of format.
4747 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4749 * tree.h: Declare folding_initializer.
4750 * builtins.c (fold_builtin_constant_p): Give definite answer
4751 if folding inside an initializer.
4752 * fold-const.c: Define folding_initializer.
4753 (START_FOLD_INIT): Save and then set folding_initializer.
4754 (END_FOLD_INIT): Restore folding_initializer.
4756 2006-06-04 Richard Guenther <rguenther@suse.de>
4758 PR tree-optimization/27039
4759 * fold-const.c (fold_comparison): Handle pointer comparison
4760 again for all comparison codes. Compare offsets in signed
4762 (fold_binary): Move code from here.
4764 2006-06-03 Roger Sayle <roger@eyesopen.com>
4767 * config/i386/i386.c (construct_container): Split static issued_error
4768 flag into issued_sse_arg_error, issued_sse_ret_error and
4769 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4770 requires the use of x87 registers and the user explicitly
4771 specified the -mno-80387 command line option.
4773 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4775 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4776 HAVE_DECL_SIGALTSTACK.
4778 (segv_handler): Use MC_FLD.
4779 * configure.ac: Check for a sigaltstack declaration.
4780 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4781 * configure: Regenerate.
4782 * config.in: Regenerate.
4784 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4787 * Makefile.in (stmp-fixinc): Fix typo.
4789 2006-06-02 Roger Sayle <roger@eyesopen.com>
4791 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4792 are type correct. Clean-up.
4793 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4794 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4796 2006-06-01 DJ Delorie <dj@redhat.com>
4798 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4799 shift, as we've disabled the "switch" insn that needs it.
4801 2006-06-01 Per Bothner <bothner@bothner.com>
4803 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4804 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4805 * c-ppoutput.c (cb_define): Don't increment line 0.
4807 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4809 * doc/invoke.texi: Add cpu_type power6.
4810 * config.gcc: Add cpu_type power6.
4811 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4812 to power5+ with Altivec.
4813 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4814 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4816 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4818 * config/avr/avr.h (SET_ASM_OP): Define.
4820 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4822 * config/bfin/bfin.c: Fix comment typos.
4824 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4827 * doc/install.texi: Document --enable-bootstrap and
4828 --disable-bootstrap.
4830 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4832 * doc/install.texi: Document that InfoZIP can replace jar.
4834 2006-05-31 Roger Sayle <roger@eyesopen.com>
4836 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4837 isn't available, directly generate the simpler x87 patterns without
4838 the (use (const_int 0)).
4839 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4840 implementation isn't available.
4841 (*negdf2_1): Likewise.
4842 (*negxf2_1): XF mode negation is always done using the x87.
4843 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4845 2006-05-31 Roger Sayle <roger@eyesopen.com>
4847 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4848 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4850 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4852 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4854 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4855 * config/bfin/bfin.c (basic-block.h): Include.
4856 (struct machine_function): New.
4857 (bfin_init_machine_status): New.
4858 (override_options): Initialize init_machine_status.
4859 (bfin_hardware_loop): New.
4860 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4861 (DEF_VEC_P (loop_info)): New.
4862 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4863 (struct loop_info): New.
4864 (loop_info): New typedef.
4865 (struct loop_work): New.
4866 (loop_work): New typedef.
4867 (DEF_VEC_O (loop_work)): New.
4868 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4869 (bfin_dump_loops): New.
4870 (bfin_bb_in_loop): New.
4871 (bfin_scan_loop): New.
4872 (bfin_optimize_loop): New.
4873 (bfin_reorg_loops): New.
4874 (bfin_reorg): Use bfin_reorg_loops.
4875 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4877 (I_REGNO_P): Simplify.
4878 (DP_REGNO_P, DPREG_P): New macros.
4879 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4880 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4881 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4882 Add LT_REGS, LC_REGS, LB_REGS.
4883 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4885 (REGNO_REG_CLASS): Deal with loop registers.
4886 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4888 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4889 New constants for loop registers.
4890 (UNSPEC_LSETUP_END): New.
4891 (seq_insns): New define_attr. Set it for appropriate insns.
4892 (movsi_insn): Add alternatives for move from/to
4893 loop count registers.
4894 (doloop_end): New define_expand.
4895 (loop_end): New define_insn.
4896 (define_split for bad doloop_end): New.
4897 (lsetup_with_autoinit): New define_insn.
4898 (lsetup_without_autoinit): New define_insn.
4899 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4900 * config/bfin/predicates.md (lc_register_operand): New.
4901 (lt_register_operand): New.
4902 (lb_register_operand): New.
4903 (nondp_register_operand): New.
4904 (nondp_reg_or_memory_operand): New.
4905 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4907 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4909 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4910 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4912 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4914 * Makefile.in (CATALOGS): Add po/ prefix.
4915 * configure: Regenerated.
4917 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4920 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4921 a shift operand before calling shift_op. Avoid redundant call of
4924 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4925 DJ Delorie <dj@redhat.com>
4927 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4928 we're inserting is a singlt-bit constant.
4930 2006-05-30 Roger Sayle <roger@eyesopen.com>
4932 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4933 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4935 2006-05-30 Roger Sayle <roger@eyesopen.com>
4937 PR tree-optimization/23452
4938 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4939 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4940 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4941 complex values and with -ffast-math for FP complex values.
4943 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4945 * c-common.h: Remove the prototype for yyparse.
4946 * rtl.h: Remove the prototype for init_loop.
4948 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4950 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4953 2006-05-30 Roger Sayle <roger@eyesopen.com>
4955 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4957 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4958 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4960 2006-05-30 Dirk Mueller <dmueller@suse.de>
4963 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4964 for CONSTANT_CLASS_P expresisons.
4966 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4969 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4971 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4973 PR tree-optimization/27779
4974 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4975 initial_condition instead of CHREC_LEFT.
4977 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4979 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4980 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4981 Make prototypes ISO C90.
4983 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4984 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4986 * see.c (see_analyze_one_def): Correct check.
4987 (see_get_extension_data): Check if extension is parallel.
4988 (see_get_extension_reg): Likewise.
4990 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4993 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4994 into register for (code == GTU).
4996 2006-05-29 Roger Sayle <roger@eyesopen.com>
4998 PR tree-optimization/24964
4999 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5000 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5001 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5002 abs(x)*abs(x) as x*x for scalar floating point modes.
5004 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5007 * lambda-code.c (perfect_nestify): Don't copy statements
5008 in the inner loop: move them to the inner loop header.
5010 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5013 * c-tree.texi: Document OpenMP directives and clauses.
5015 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5017 * varasm.c (globalize_decl): Fix indentation.
5019 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5022 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5023 pass_fre, pass_store_ccp, pass_copy_prop,
5024 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5025 pass_return_slot, pass_object_size, pass_lim,
5026 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5027 pass_loop_prefetch and pass_stdarg.
5029 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5031 * config/bfin/bfin.opt (mfdpic): New option.
5032 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5033 (EXTRA_MULTILIB_PARTS): Likewise.
5034 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5035 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5037 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5038 (CRT_CALL_STATIC_FUNCTION): New.
5039 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5041 (CRT_CALL_STATIC_FUNCTION): New.
5042 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5044 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5045 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5046 (initialize_trampoline): Changed to handle FD-PIC code generation.
5047 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5048 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5049 (override_options): Disallow -mid-shared-library -mfdpic combination.
5050 Can't do unaligned ops if FD-PIC.
5051 Turn off flag_pic if trying to generate non-id-shared-library
5052 non-fdpic code, since it's not supported.
5053 (bfin_assemble_integer): New function.
5054 (TARGET_ASM_INTEGER): Define.
5055 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5057 * config/bfin/crtn.s: Restore them.
5058 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5060 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5061 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5062 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5063 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5064 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5066 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5067 FDPIC_REGS and FDPIC_FPTR_REGS.
5068 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5069 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5070 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5071 (load_funcdescsi): New pattern.
5072 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5073 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5074 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5076 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5078 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5081 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5083 * tree-flow.h: Remove the prototype for add_type_alias.
5084 * tree-ssa-alias.c (add_type_alias): Remove.
5086 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5088 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5089 config/fr30/fr30.md, config/i386/i386-interix.h,
5090 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5091 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5092 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5093 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5094 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5095 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5096 Follow spelling conventions.
5097 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5098 Follow spelling conventions.
5100 2006-05-27 Richard Guenther <rguenther@suse.de>
5103 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5104 to produce a constant of value 1 of generic type.
5106 2006-05-27 Dirk Mueller <dmueller@suse.de>
5108 * cgraphunit.c (decide_is_function_needed): Fix wrong
5111 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5113 PR rtl-optimization/27661
5114 * reload.c (find_reloads): When reloading a VOIDmode constant
5115 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5116 use Pmode as mode of the reload register.
5118 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5120 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5121 is enabled at -O and above.
5123 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5126 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5129 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5132 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5133 for anonymous variables explicitly declared by front ends.
5135 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5137 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5138 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5139 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5140 ref-all pointers, run a finalization pass for them.
5141 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5142 (finalize_ref_all_pointers): New function.
5143 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5144 regular pointer type to a ref-all pointer type.
5145 (get_tmt_for): Return the special memory tag for ref-all pointers.
5147 2006-05-25 Richard Guenther <rguenther@suse.de>
5150 * fold-const.c (fold_binary): Do not look at the stripped
5151 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5153 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5155 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5156 for LT and GT if the computed range is effectively empty.
5158 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5161 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5162 mips_quad_format formats instead of ieee_single_format,
5163 ieee_double_format and ieee_quad_format formats, respectively.
5165 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5167 PR tree-optimization/27639
5168 PR tree-optimization/26719
5169 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5170 call to scev_probably_wraps_p.
5171 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5172 used_in_pointer_arithmetic_p, convert_step): Removed.
5173 (nowrap_type_p): New function.
5174 (scev_probably_wraps_p): Rewritten.
5175 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5176 chrec_convert if chrec_convert_aggressive might have been used.
5177 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5178 scev_direction): New functions.
5179 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5180 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5181 instead of convert_step.
5182 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5183 (convert_step): Declaration removed.
5184 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5186 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5188 * df-core.c: Added to header comments.
5189 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5190 df_ur_bb_info, df_urec_bb_info): Added comments.
5191 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5192 urec, ri problems): Fixed header comments.
5193 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5194 code from df_rd_transfer_function.
5196 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5198 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5199 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5200 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5202 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5204 * expr.c (undefined_operand_subword_p): New.
5205 (emit_move_multi_word): Do not generate move from undefined bits
5206 of a paradoxical subreg.
5208 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5210 PR rtl-optimization/27736
5211 * combine.c (replaced_rhs_value): New variable.
5212 (combine_instructions): Set it.
5213 (distribute_notes): When distributing a note in replaced_rhs_insn,
5214 check whether the value was used in replaced_rhs_value.
5216 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5219 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5220 add_referenced_var instead of add_referenced_tmp_var.
5221 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5222 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5224 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5225 tree_optimize_tail_calls_1): Use add_referenced_var.
5226 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5227 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5228 Use add_referenced_var.
5229 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5230 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5231 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5232 Use add_referenced_var.
5233 * tree-dfa.c (struct walk_state): Remove.
5234 (find_referenced_vars): Remove walk state and vars_found hash table.
5235 (make_rename_temp): Use add_referenced_var.
5236 (find_vars_r): Pass less parameters to add_referenced_var.
5237 (referenced_var_p): New. Is var in referenced_var hash table.
5238 (referenced_var_insert): Assert var isn't already in hash table.
5239 (add_referenced_var): Don't need walk_state parameter. Add var if it
5240 isn't already in the hash table.
5241 (add_referenced_tmp_var): Remove.
5242 (find_new_referenced_vars_1): Use add_referenced_var.
5243 * tree-ssa-pre.c (create_expression_by_pieces,
5244 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5245 Use add_referenced_var.
5246 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5247 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5248 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5250 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5251 vect_create_data_ref_ptr, vect_create_destination_var,
5252 vect_init_vector, vect_build_loop_niters,
5253 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5254 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5255 Use add_referenced_var.
5256 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5257 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5258 (add_referenced_var): Add prototype.
5259 * tree-ssa-structalias.c (get_constraint_for,
5260 intra_create_variable_infos): Use add_referenced_var.
5262 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5264 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5265 big-endian paradoxical subregs.
5266 * var-tracking.c (struct micro_operation_def): Document that,
5267 for modify micro operations, insn is the subsequent instruction.
5268 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5269 (var_reg_set, var_mem_set): ... new functions.
5270 (add_stores): Record subsequent insn.
5271 (compute_bb_dataflow): Use new functions for MO_USE.
5272 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5273 notes after the insn, and modify notes before the insn known
5274 to be the subsequent one.
5275 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5277 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5280 * config/i386/i386.c (ix86_expand_builtin): Use
5281 gen_sse3_monitor64 for TARGET_64BIT.
5283 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5285 PR rtl-optimization/26375
5286 PR rtl-optimization/26855
5287 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5289 (df_ru_bb_local_compute): Reversed statements and removed bogus
5290 comment explaining why they should be in wrong order.
5291 (df_ru_dump, df_rd_dump): Enhanced debug info.
5292 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5294 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5295 reaching uses and fixed space problem.
5297 2006-05-23 Jan Hubicka <jh@suse.cz>
5299 * cgraphunit.c (decide_is_function_needed): Also nested functions
5300 and functions declared inline can be optimized out at -O0.
5302 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5304 * doc/install.texi (Configuration): Remove reference to CrossGCC
5308 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5311 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5312 ix86_compare_emitted is non-NULL.
5314 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5317 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5320 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5322 PR rtl-optimization/25514
5323 * combine.c (replaced_rhs_insn): New variable.
5324 (combine_instructions): Set replaced_rhs_insn when trying to replace
5325 a SET_SRC with a REG_EQUAL note.
5326 (distribute_notes): Use replaced_rhs_insn when determining the live
5327 range of a REG_DEAD register.
5329 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5330 Anatoly Sokolov <aesok@post.ru>
5332 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5333 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5334 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5335 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5336 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5337 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5338 at90usb647, at90usb1286 and at90usb1287 devices.
5339 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5340 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5342 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5344 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5346 2006-05-22 Richard Guenther <rguenther@suse.de>
5349 2006-01-31 Richard Guenther <rguenther@suse.de>
5350 Paolo Bonzini <bonzini@gnu.org>
5352 * doc/install.texi (--disable-libgcc-math): Document.
5354 2006-05-22 Richard Guenther <rguenther@suse.de>
5357 2006-01-31 Richard Guenther <rguenther@suse.de>
5359 * doc/invoke.texi (-msselibm): Document.
5360 * target.h (expand_library_builtin): New target hook.
5361 * builtins.c (expand_builtin): Use expand_library_builtin.
5362 (default_expand_library_builtin): New function.
5363 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5364 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5365 (link_gcc_math_spec): Declare.
5366 (static_specs): Add link_gcc_math_spec.
5367 * expr.h (default_expand_library_builtin): Declare.
5368 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5369 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5370 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5371 * config/i386/i386.opt (msselibm): New target option.
5372 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5373 (ix86_init_sse_abi_builtins): New function.
5374 (ix86_expand_library_builtin): Likewise.
5375 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5376 (override_options): Handle error conditions wrt -msselibm.
5377 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5378 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5379 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5382 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5385 * c-common.c (self_promoting_args_p): Skip erroneous args.
5388 * c-decl.c (finish_struct): Skip erroneous fields.
5390 2006-05-22 Nick Clifton <nickc@redhat.com>
5392 * config/cris/cris.opt (march): Remove VarExists attribute.
5393 (max-stackframe=): Likewise.
5395 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5397 * doc/rtl.texi: Fix a typo.
5398 * see.c: Fix comment typos.
5400 * tree-ssa-structalias.h (alias_info): Remove num_references.
5402 2006-05-21 Mike Stump <mrs@apple.com>
5404 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5406 (darwin_pragma_options): Use BAD instead.
5407 (darwin_pragma_unused): Likewise.
5408 (darwin_pragma_ms_struct): Likewise.
5410 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5412 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5414 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5416 PR rtl-optimization/27671
5417 * simplify-rtx.c (simplify_relational_operation_1): Fix
5418 simplifications of (eq/ne (xor x y) y) and
5419 (eq/ne (xor x y) x).
5421 PR tree-optimization/26622.
5422 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5425 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5427 * tree-cfg.c: Prune whitespace.
5428 (debug_tree_cfg): Point to correct header containing the
5431 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5434 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5436 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5439 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5440 or sorry count is non zero.
5442 2006-05-20 Andreas Schwab <schwab@suse.de>
5444 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5446 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5447 Kenneth Zadeck <zadeck@naturalbridge.com>
5449 PR rtl-optimization/26855
5451 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5453 (df_scan_alloc): Added code to properly handle multiword hard
5454 registers and add all_blocks parameter.
5455 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5456 code to properly handle multiword hard registers.
5457 (df_rescan_blocks): Added code to remove deleted blocks from
5459 (df_ref_create_structure, df_ref_record): Added code to properly
5461 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5462 and set DF_REF_PARTIAL.
5463 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5464 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5465 (df_scan_add_problem): Added flags parameter.
5466 (df_ref_create_structure): Changed switching structure.
5467 (df_bb_refs_record): Fixed case where duplicate artificial refs
5468 were created. Changed location of flags.
5469 (df_record_entry_block_defs): Added code to make stack pointer
5470 live in entry block. Refined cases where frame pointer is needed.
5471 Changed location of flags.
5472 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5473 (df_set_state): Removed function.
5474 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5475 df_insn_create_insn_record, df_insn_refs_delete,
5476 df_ref_create_structure): Formatting changes.
5477 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5478 df_delete_basic_block): New function.
5479 (df_init): Changed location of flags.
5480 (df_add_problem): Added flags parameter and the way flags are
5482 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5483 debug_df_chain): Improved debugging output.
5484 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5485 (df_refs_chain_dump): Removed df parameter.
5486 (df_iterative_dataflow): Added consistency check.
5487 (df_prune_to_subcfg): Made public.
5488 (df_analyze_problem): Added blocks_to_init parameter and made
5490 (df_ref_record, df_bb_refs_record, df_mark_reg,
5491 df_record_exit_block_uses): Whitespace changes.
5492 (df_dump): Whitespace changes.
5493 * df.h: Some reordering to remove forward references.
5494 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5495 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5496 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5497 (dataflow.flags): New field.
5498 (df.flag): Deleted field.
5499 (df_alloc_function): Added additional bitmap parameter.
5500 (df_dependent_problem_function): New type.
5501 (df_problem.changeable_flags): New field.
5502 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5503 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5504 (df_mw_hardreg): New struct.
5505 (DF_INSN_UID_MWS): New macro.
5506 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5508 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5509 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5510 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5511 (df_set_state): Removed function.
5512 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5513 * df-problems.c (df_chain_dump): Removed df parameter.
5514 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5515 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5517 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5518 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5519 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5520 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5521 DF_REF_MUST_CLOBBER cases.
5522 (df_ru_bb_local_compute_process_def,
5523 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5524 df_lr_bb_local_compute, df_ur_bb_local_compute,
5525 df_chain_create_bb): Made subreg aware.
5526 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5527 df_lr_bb_local_compute, df_lr_bb_local_compute,
5528 df_chain_create_bb): Cleanup to use proper macros.
5529 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5530 code to fixup bitvectors.
5531 (df_ri_alloc): Cleared lifetime.
5532 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5533 df_create_unused_note): New function.
5534 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5535 REG_DEAD and REG_UNUSED notes as well as register information.
5536 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5537 df_chains_dump): Fixed crash if problem was never run.
5538 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5539 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5540 df_ri_add_problem): Processes flags in uniform manner.
5541 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5542 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5543 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5544 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5545 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5546 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5547 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5548 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5549 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5550 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5551 * see.c (see_initialize_data): Ditto.
5552 * final.c (rest_of_clean_state) Added regstack_completed.
5553 * rtl.h (regstack_completed): Ditto.
5554 * reg-stack.c (regstack_completed): Ditto.
5556 2006-05-19 Mike Stump <mrs@apple.com>
5558 * c-tree.h (default_conversion): Remove.
5559 * c-common.h (default_conversion): Add.
5561 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5563 * tree-vrp.c (valid_value_p): New function.
5564 (adjust_range_with_scev): Fail if the value of bound is not
5567 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5569 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5570 (mips_fallback_frame_state): Use syscall numbers to determine
5571 the appropriate li instruction for the current ABI. Only use
5572 __NR_sigreturn for o32.
5574 2006-05-19 Nicolas Setton <setton@adacore.com>
5576 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5577 * langhooks.c (lhd_dwarf_name): New function.
5578 * langhooks-def.h (lhd_dwarf_name): Declare.
5579 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5580 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5581 * ada/misc.c (gnat_dwarf_name): New function.
5582 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5584 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5586 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5588 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5589 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5590 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5591 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5592 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5593 determine the size of Wtype, etc.
5594 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5595 (swfloatfuncs): New variable.
5596 (dwfloatfuncs): Likewise.
5597 (lib2funcs): Remove floating-point conversion functions from
5598 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5599 the set of conversion routines needed. Allow entries to specify
5600 an object name, filename and word size. Update users accordingly.
5601 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5602 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5606 2006-02-08 Roger Sayle <roger@eyesopen.com>
5609 * config/fixtfdi.c: New libgcc source file.
5610 * config/fixunstfdi.c: New source file.
5611 * config/floatditf.c: New source file.
5612 * config/floatunditf.c: New souce file.
5613 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5614 files above instead of config/mips/_tilib.c.
5615 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5617 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5619 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5620 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5622 2006-05-18 Mike Stump <mrs@apple.com>
5624 Fix up vla, vm and [*] sematics.
5630 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5631 (c_vla_unspec_p): Add.
5632 (c_vla_type_p): Add.
5633 * c-decl.c (struct c_scope): Add had_vla_unspec.
5634 (build_array_declarator): Add support for [*].
5635 (grokdeclarator): Likewise.
5636 (grokparms): Likewise.
5637 (get_parm_info): Likewise.
5638 * c-objc-common.c (c_vla_unspec_p): Likewise.
5639 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5640 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5641 typeof when argument is a variably modified type not inside sizeof or alignof.
5642 (c_parser_direct_declarator_inner): Propagate errors.
5643 (c_parser_sizeof_expression): Add support for [*].
5644 (c_parser_parms_declarator): Initialize had_vla_unspec.
5645 (c_parser_parms_list_declarator): Likewise.
5646 * c-typeck.c (c_vla_type_p): Add.
5647 (composite_type): Add support for vla compositing.
5648 (comptypes_internal): Add support for vla compatibility.
5649 (c_expr_sizeof_expr): Evaluate vla arguments.
5650 * tree.c (variably_modified_type_p): Update comment for [*].
5652 2006-05-18 Michael Matz <matz@suse.de>
5655 * config.host: Make assignments to host_xmake_file cumulative.
5656 * config.host (*-darwin*): Test $host, not $target.
5658 2006-05-12 Stuart Hastings <stuart@apple.com>
5660 * config/i386/i386.opt (-mstackrealign): New flag.
5661 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5662 (ix86_handle_cconv_attribute): Emit error when
5663 force_align_arg_pointer attribute collides with too many regparms.
5664 (ix86_function_regparm): Limit regparms when used with
5665 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5666 Support stack-realigning prologue in non-main functions. Emit
5667 warning for nested functions under -mstackrealign, emit error for
5668 nested functions with force_align_arg_pointer attribute.
5669 * doc/extend.texi (force_align_arg_pointer): Document it.
5670 * doc/invoke.texi (-mstackrealign): Document it.
5672 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5674 PR rtl-optimization/27477
5675 * combine.c (try_combine): Don't split a parallel consisting
5676 of two sets into two individual sets if both sets reference
5679 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5681 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5682 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5684 * doc/options.texi (VarExists): Updated.
5686 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5688 * unwind-dw2.c: Add declarations for uw_update_context and
5690 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5691 detected, advance frame state and context once to skip over stub.
5693 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5697 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5698 Call rewrite_into_loop_closed_ssa only when something changed.
5699 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5700 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5701 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5702 Test for perfect_nest_p here. Fix formating.
5703 (replace_uses_equiv_to_x_with_y): Fix formating.
5704 (stmt_uses_op): Removed.
5705 (can_convert_to_perfect_nest): Removed loopivs parameter.
5706 Complete the test by checking the scalar dependences.
5707 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5710 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5713 From Dan Kegel <dank@kegel.com>:
5714 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5716 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5718 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5719 if the element type is variably modified without recursing.
5721 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5724 * tree-loop-linear.c (try_interchange_loops): Test for
5725 no data dependences.
5727 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5729 PR tree-optimization/27548
5730 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5731 range of ssa names that appear on abnormal edges.
5732 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5733 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5735 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5738 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5740 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5743 * tree.h (OMP_PARALLEL_COMBINED): Define.
5744 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5745 (new_omp_context): Add is_combined_parallel argument.
5746 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5747 new_omp_context caller.
5748 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5749 Adjust gimplify_scan_omp_clauses callers.
5750 (omp_is_private): Issue errors if iteration variable is firstprivate
5751 or reduction in the current context.
5752 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5753 on combined parallel workshare constructs.
5755 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5757 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5758 (gcc-options.o): New rule.
5760 * optc-gen.awk: Protect variables for gcc-options.o with
5761 #ifdef GCC_DRIVER/#endif.
5763 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5765 Fix PR tree-optimization/27373
5766 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5767 (forward_propagate_addr_expr): Update call.
5769 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5771 * doc/options.texi: Move the Negative option.
5773 2006-05-16 Richard Guenther <rguenther@suse.de>
5775 PR tree-optimization/22303
5776 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5778 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5779 ccp_fold did not simplify the statement.
5781 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5784 * Makefile.in (GCC_OBJS): New.
5785 (OBJS-common): Add opts-common.o.
5786 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5787 (cpp$(exeext)): Likewise.
5788 (gcc.o): Also depend on opts.h.
5789 (opts-common.o): New.
5791 * common.opt (gcoff): Add Negative(gdwarf-2).
5792 (gdwarf-2): Add Negative(gstabs).
5793 (gstabs): Add Negative(gstabs+).
5794 (gstabs+): Add Negative(gvms).
5795 (gvms): Add Negative(gxcoff).
5796 (gxcoff): Add Negative(gxcoff+).
5797 (gxcoff+): Add Negative(gcoff).
5798 * config/i386/i386.opt (m32): Add Negative(m64).
5799 (m64): Add Negative(m32).
5801 * doc/options.texi: Document the Negative option.
5803 * gcc.c: Include "opts.h".
5804 (main): Call prune_options after expandargv.
5806 * optc-gen.awk: Generate common declarations for all flag
5807 variables in options.c. Output the neg_index field.
5809 * opts.c (find_opt): Moved to ...
5810 * opts-common.c: Here. New file.
5812 * opts.h (cl_option): Add a neg_index field.
5814 (prune_options): Likewise.
5816 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5819 * omp-low.c (expand_omp_parallel): Don't assert
5820 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5821 instead search for it.
5824 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5827 2006-05-16 Andreas Schwab <schwab@suse.de>
5829 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5832 2006-05-15 Roger Sayle <roger@eyesopen.com>
5835 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5836 integer constants other than zero are only legitimate on TARGET_64BIT.
5837 <CONST_VECTOR> Only zero vectors are legitimate.
5838 (ix86_cannot_force_const_mem): Integral and vector constants can
5839 always be put in the constant pool.
5841 2006-05-16 DJ Delorie <dj@redhat.com>
5843 * crtstuff.c (__dso_handle): Set section from
5844 TARGET_LBIGCC_SDATA_SECTION if defined.
5845 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5846 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5848 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5851 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5854 2006-05-16 Ben Elliston <bje@au.ibm.com>
5856 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5858 2006-05-15 Per Bothner <per@bothner.com>
5860 * tree.c: (last_annotated_node): Use source_locus typedef.
5861 This permits bootstrapping with --enable-mapped-location.
5863 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5865 PR tree-optimization/26830
5866 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5867 (info_for_ssa_name, current_info_for_ssa_name_age,
5868 blocks_to_update): New variables.
5869 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5870 (clear_ssa_name_info, initialize_flags_in_bb,
5871 mark_block_for_update): New functions.
5872 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5873 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5874 prepare_def_site_for): Use mark_block_for_update.
5875 (mark_def_interesting): Assert that the processed block is marked in
5876 blocks_to_update. Do not take blocks argument.
5877 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5879 (rewrite_update_init_block, rewrite_update_stmt): Only process
5880 blocks with statements to rewrite.
5881 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5882 (update_ssa): Initialize and free blocks_to_update. Do not
5883 clear flags on statements. Do not use blocks bitmap.
5884 * tree.h (SSA_NAME_AUX): Removed.
5885 (struct tree_ssa_name): Removed aux field.
5886 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5888 2006-05-15 Richard Guenther <rguenther@suse.de>
5890 PR tree-optimization/27603
5891 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5892 Do computations in original type.
5894 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5896 * see.c: Code style changes such as redundant paranthesis,
5897 redundant intialization of local variables etc.
5898 (see_main): Declared now as static.
5899 * doc/invoke.texi: Update that -fsee is not enabled by
5902 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5904 * omp-low.c (check_omp_nesting_restrictions): New function.
5905 (scan_omp_1): Call it.
5908 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5909 construct, return *VAR.
5911 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5913 PR rtl-optimization/27406
5914 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5917 2006-05-14 Roger Sayle <roger@eyesopen.com>
5919 PR rtl-optimization/27538
5920 * combine.c (expand_compound_operation): Call gen_lowpart
5921 before calling simplify_shift_const.
5923 2006-05-14 Roger Sayle <roger@eyesopen.com>
5925 PR rtl-optimization/22563
5926 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5927 a fixed width bitfield, always force the intermediates into psuedos.
5929 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5932 * mkconfig.sh: Use operator = instead of == for test.
5934 2006-05-13 Nick Clifton <nickc@redhat.com>
5936 * dwarf2out.c (dbx_reg_number): Check return value from
5937 LEAF_REG_REMAP and only use it if it is valid.
5938 (multiple_reg_loc_descriptor): Likewise.
5940 2006-05-13 Richard Guenther <rguenther@suse.de>
5942 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5945 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5947 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5948 information attached to non-INSNs such as NOTEs.
5949 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5951 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5953 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5955 * config/s390/s390.md: Adjust comment describing On constraint.
5957 2006-05-11 Jan Hubicka <jh@suse.cz>
5959 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5960 to be output at -O0.
5962 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5965 * fold-const.c (size_binop): Move sanity check for arguments to
5966 the beginning of the function.
5969 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5972 2006-05-11 Richard Guenther <rguenther@suse.de>
5975 * fold-const.c (fold_unary): Handle intermediate conversion
5976 to a pointer type like intermediate conversion to an integer
5977 type in folding of (T1)(T2)var to var.
5978 Match the code to the comment in the final conversion for
5979 (T1)(T2)var to (T1)var regarding to type precision. Rather
5980 than disallow T1 being of pointer type, assert that both T1
5981 and var are of pointer type or not. Make sure not to fall
5982 over the frontends lazyness wrt array to pointer decay though.
5984 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5986 * arm.c (arm_struct_value_rtx): Delete.
5987 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5988 (arm_init_cumulative_args): Always initialize nregs to zero.
5990 2006-05-10 Richard Guenther <rguenther@suse.de>
5992 PR tree-optimization/27532
5993 * tree-object-size.c (plus_expr_object_size): Fix typo.
5995 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5998 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5999 ashrdi_const, ashrdi3): Use a scratch register.
6001 2006-05-10 Richard Guenther <rguenther@suse.de>
6003 PR tree-optimization/27302
6004 * fold-const.c (operand_equal_p): For two comparisons,
6005 try comparison of one comparison code swapped if that yields
6008 2006-05-10 Ben Elliston <bje@au.ibm.com>
6010 * tree-pretty-print.c (pretty_print_string): No need to handle
6011 '\0' as a special character.
6013 * tree.h: Include "hashtab.h".
6014 (iterative_hash_expr): Use hashval_t in its prototype.
6015 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6017 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6020 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6021 (hppa*64*-*-hpux11*): Ditto.
6022 (hppa[12]*-*-hpux11*): Ditto.
6024 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6027 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6029 2006-05-09 Michael Matz <matz@suse.de>
6031 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6032 host_extra_gcc_objs and host_xmake_file.
6033 (<*-*-linux*>): Don't overwrite host_xmake_file.
6034 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6035 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6036 (host_detect_local_cpu): Declare.
6037 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6038 * config/i386/i386.c (override_options): Handle -mtune=native
6040 * config/i386/x-i386: New file.
6041 * config/i386/driver-i386.c: New file.
6042 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6045 2006-05-09 Dirk Mueller <dmueller@suse.de>
6046 Richard Guenther <rguenther@suse.de>
6049 * fold-const.c (fold_read_from_constant_string): Relax check
6050 for matching types to matching modes.
6052 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6054 PR rtl-optimization/27335
6055 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6058 2006-05-08 Chao-ying Fu <fu@mips.com>
6059 Richard Sandiford <richard@codesourcery.com>
6061 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6062 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6063 * config/mips/mips.md (UNSPEC_SCC): New constant.
6064 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6065 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6066 (mips_emit_compare): Use it.
6067 (mips_expand_vcondv2sf): New function.
6069 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6071 Fix PR tree-optimization/27093
6072 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6073 renaming when they become not-used_alone.
6075 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6077 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6078 relocation and relocation stubs.
6080 2006-05-08 Eric Christopher <echristo@apple.com>
6082 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6085 2006-05-08 Jan Hubicka <jh@suse.cz>
6088 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6089 unused static functions are needed.
6091 2006-05-08 Roger Sayle <roger@eyesopen.com>
6094 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6095 of a reg_equiv_constant if the result is a legitimate constant.
6097 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6100 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6101 standard 80387 constants, raise the cost to prevent
6102 compress_float_constant() to generate load from memory.
6104 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6106 * config/arm/constraints.md (c): Fix a typo.
6108 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6111 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6114 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6116 (_mm_mwait): Likewise.
6118 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6120 (sse3_monitor): Make it 32bit only.
6121 (sse3_monitor64): New. 64bit monitor.
6123 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6126 * config/i386/i386.c (classify_argument): Skip fields with invalid
6129 2006-05-07 Richard Guenther <rguenther@suse.de>
6131 PR tree-optimization/27409
6132 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6133 Do not try to find zero-sized subvars.
6135 2006-05-07 Richard Guenther <rguenther@suse.de>
6137 PR tree-optimization/27136
6138 * tree-ssa-loop-niter.c (get_val_for): Correct function
6139 comment, assert requirements.
6140 (loop_niter_by_eval): Stop processing if the iterated
6141 value did not simplify.
6143 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6145 * opts.c (flag_see): remove its setting at -O3.
6147 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6149 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6150 * arm/constraints.md: New file.
6151 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6152 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6153 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6154 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6155 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6156 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6157 * arm.md: Include constraints.md.
6158 (thumb_movsi_insn): Use satisfies_constraint_J.
6159 (movhi, movqi): Use satisfies_constraint_I.
6161 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6163 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6164 for atmeg a645 device.
6166 2006-05-06 Richard Guenther <rguenther@suse.de>
6168 PR tree-optimization/27151
6169 * tree-vect-transform.c (vectorizable_condition): Punt on
6170 values that have a different type than the condition.
6172 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6175 * c-parser.c (c_parser_cast_expression): Only insert casts into
6176 hash table if pointer.
6177 * function.c (used_types_insert_helper): Rename from
6179 (used_types_insert): Call used_types_insert_helper.
6180 * function.h (used_types_insert): Accept only one argument.
6182 2006-05-05 David Edelsohn <edesohn@gnu.org>
6184 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6185 scratch with output modifier.
6187 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6190 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6191 with output modifier.
6193 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6196 * config/mips/mips.c (mips_symbolic_address_p): Return true
6197 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6198 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6200 2006-05-04 Richard Guenther <rguenther@suse.de>
6202 PR tree-optimization/14287
6203 PR tree-optimization/14844
6204 PR tree-optimization/19792
6205 PR tree-optimization/21608
6206 PR tree-optimization/27090
6207 * tree-ssa-pre.c (try_combine_conversion): New function.
6208 (compute_avail): After constructing the value-handle
6209 expression, use try_combine_conversion to combine NOP_EXPRs
6210 with previous value-handle expressions and use the result if it
6213 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6215 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6217 2006-05-04 Jan Hubicka <jh@suse.cz>
6220 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6222 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6224 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6225 that this only matches CONST_INTs. All users changed to VOIDmode
6228 * config/bfin/bfin.c: Include "optabs.h".
6229 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6231 (enum bfin_builtins): Add a number of fractional and vector builtins.
6232 (bfin_init_builtins): Likewise.
6233 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6234 (safe_vector_operand, bfin_expand_binop_builtin,
6235 bfin_expand_unop_builtin): New functions.
6236 (bfin_expand_builtin): Handle the new builtins.
6237 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6240 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6243 * Makefile.in (OBJS-common): Add see.o.
6244 (see.o): Add dependencies.
6245 * common.opt (fsee): New flag for the see optimization was added.
6246 * opts.c (flag_see): Initialized.
6247 * passes.c (init_optimization_passes, pass_see): New pass.
6248 * rtl.h (see_main): Declaration as extern.
6249 * timevar.def (TV_SEE): New.
6250 * tree-pass.h (pass_see): Declaration as extern.
6251 * invoke.texi (-fsee): Document.
6252 * recog.c (validate_simplify_insn): New function.
6253 * recog.h (validate_simplify_insn): Declaration as extern.
6254 * df-problems.c (df_chain_dump): Check for NULL.
6256 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6257 Daniel Berlin <dberlin@dberlin.org>
6259 * cfgrtl.c (insert_insn_bb_end_new): New function.
6260 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6262 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6264 * df.h (struct web_entry): Moved from web.c.
6265 (union_defs): Declaration as extern.
6266 (unionfind_root): Likewise.
6267 (unionfind_union): Likewise.
6268 * web.c (struct web_entry): Moved to df.h.
6269 (unionfind_root): Remove static declaration.
6270 (unionfind_union): Likewise.
6271 (union_defs): Likewise and generalize to use callback function.
6272 (web_main): Update arguments for union_defs function call.
6274 2006-05-04 Richard Guenther <rguenther@suse.de>
6276 PR tree-optimization/26447
6277 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6278 produce SSA_NAME copies before the store stmt to avoid
6279 breaking exception handling.
6281 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6284 * gimplify.c (omp_is_private): If var is shared in some outer context,
6285 return false instead of true. Stop searching on parallel context
6288 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6291 * coverage.c: Use get_gcov_unsigned_t() instead of
6292 unsigned_type_node all over.
6294 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6296 PR tree-optimization/27381
6297 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6298 maintain the same immediate_use links.
6299 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6300 node rather than segfaulting.
6302 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6305 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6306 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6307 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6309 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6311 Fix PR tree-optimization/26626
6312 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6314 * tree-ssa-operands.c (access_can_touch_variable): Allow
6315 typecasting through union pointers.
6317 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6320 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6321 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6322 to find if var will be a global variable even in the nested context.
6323 (omp_copy_decl): Only check for global variable at the end, it might
6324 be overridden in outer contexts.
6325 (scan_sharing_clauses): For global variables don't create a field.
6326 (lower_rec_input_clauses): Do nothing for global shared variables.
6327 Emit a barrier at the end of ILIST if there were any decls in both
6328 firstprivate and lastprivate clauses.
6329 (lower_send_clauses): Do nothing for global variables except for
6332 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6334 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6335 of the correct signedness is returned.
6337 2006-05-02 Jeff Law <law@redhat.com>
6339 PR tree-optimization/27364
6340 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6341 multiply expressions.
6343 2006-05-02 Tom Tromey <tromey@redhat.com>
6345 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6347 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6350 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6351 -mthumb -fPIC are used.
6353 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6354 Joshua Kinard <kumba@gentoo.org>
6357 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6358 with 64-bit pointers.
6360 2006-05-02 Paul Brook <paul@codesourcery.com>
6362 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6364 (create_fix_barrier): Check that a suitable barrier location is
6366 (arm_reorg): Include ftmp->address in allowable range of addresses.
6368 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6371 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6374 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6377 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6378 around RESULT_DECL for result passed by reference.
6379 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6380 * omp-low.c (use_pointer_for_field): Don't look at
6381 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6382 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6383 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6384 time or var for passing by reference for
6385 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6386 TREE_ADDRESSABLE variables when passing by reference.
6388 * omp-low.c (dump_omp_region): Fix output formatting.
6391 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6392 (expand_omp_parallel): Likewise.
6393 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6396 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6397 on statement list containing also constructors and destructors.
6398 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6401 * except.c (duplicate_eh_regions): Fix clearing of
6402 cfun->eh->region_array entries.
6404 2006-05-01 DJ Delorie <dj@redhat.com>
6406 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6408 (gcc_cv_objdump): Likewise.
6409 * configure: Regenerated.
6411 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6414 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6415 templates for case 3 and 4.
6417 2006-05-01 DJ Delorie <dj@redhat.com>
6419 * vec.c: Include bconfig.h when appropriate.
6420 * Makefile.in (build/vec.o): Adjust dependencies.
6421 * mkconfig.sh: Make sure config.h isn't used for build machine
6424 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6426 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6428 (mark_phi_for_rewrite): New function.
6429 (insert_phi_nodes_for, mark_use_interesting): Call
6430 mark_phi_for_rewrite.
6431 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6432 (update_ssa): Initialize and free phis_to_rewrite.
6434 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6436 PR rtl-optimization/27291
6437 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6438 folded to a constant.
6440 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6442 PR tree-optimization/27283
6443 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6444 not whole # of iteration descriptions.
6445 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6446 uses abnormal ssa name.
6447 (niter_for_single_dom_exit): Ditto.
6448 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6449 return just the number of iterations.
6451 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6453 PR tree-optimization/27144
6454 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6455 (record_estimate): Only record constant upper bound.
6456 (infer_loop_bounds_from_undefined): Call
6457 compute_estimated_nb_iterations just once.
6458 (proved_non_wrapping_p): Renamed to ...
6459 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6460 (convert_step_widening, scev_probably_wraps_p): Call
6461 n_of_executions_at_most instead of proved_non_wrapping_p.
6462 (substitute_in_loop_info): Do not replace values in bounds.
6463 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6466 2006-05-01 Richard Henderson <rth@redhat.com>
6469 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6470 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6473 2006-05-01 Roger Sayle <roger@eyesopen.com>
6475 * c-typeck.c (parser_build_binary_op): Don't call the function
6476 unsigned_conversion_warning to spot operand/result type overflow.
6477 (build_binary_op): Instead, call convert_and_check instead of
6478 convert to report the problem when the operands are promoted.
6479 * c-common.c (unsigned_conversion_warning): Make static.
6480 * c-common.h (unsigned_conversion_warning): Delete prototype.
6482 2006-05-01 Richard Guenther <rguenther@suse.de>
6484 PR tree-optimization/26726
6485 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6487 (find_interesting_uses_address): ... we work around here
6488 by folding INDIRECT_REFs in the substituted base.
6490 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6492 * omp-low.c (dump_omp_region): Add newlines.
6494 2006-04-30 Roger Sayle <roger@eyesopen.com>
6496 * common.opt (Woverflow): New command line option.
6497 * c-common.c (constant_expression_warning): Check warn_overflow.
6498 (overflow_waring): Pass OPT_Woverflow to warning.
6499 (unsigned_conversion_warning): Likewise.
6500 (convert_and_check): Likewise.
6501 * doc/invoke.texi: Document new command line option.
6503 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6505 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6506 TARGET_NO_FP_IN_TOC for section anchors.
6507 (optimization_options): Enable section anchors for all
6508 non-"Objective" languages.
6510 2006-04-28 Eric Christopher <echristo@apple.com>
6512 * config/darwin-c.c (darwin_ms_struct): Move this
6513 (darwin_set_default_type_attributes): and this...
6514 * config/darwin.c: ... here.
6515 * config/darwin.h (darwin_ms_struct): Declare.
6517 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6519 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6521 2006-04-28 Roger Sayle <roger@eyesopen.com>
6524 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6525 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6526 an unsigned HOST_WIDE_INT.
6527 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6529 (really_start_incremental_init): No need to call convert because
6530 bitsize_zero_node is already of type bitsizetype.
6531 (push_init_level): Extract the value of constructor_index as an
6532 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6533 (process_init_element): Likewise.
6535 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6537 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6538 value before passing to make_relative_prefix.
6540 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6543 * builtins.c (expand_builtin_memset): Expand val in original mode.
6545 2006-04-27 Eric Christopher <echristo@apple.com>
6547 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6548 with #ifndef/#endif.
6549 * config/darwin-c.c (darwin_ms_struct): New.
6550 (darwin_pragma_ms_struct): Ditto.
6551 (darwin_set_default_type_attributes): Ditto.
6552 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6553 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6554 Register ms_struct pragma.
6555 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6556 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6557 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6558 darwin_set_default_type_attributes if TARGET_MACHO.
6560 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6562 PR tree-optimization/26854
6563 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6564 * doc/tree-ssa.texi: Update immuse iterator documentation.
6565 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6566 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6567 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6568 first_safe_imm_use, next_safe_imm_use): Remove.
6569 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6570 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6571 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6572 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6573 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6574 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6575 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6576 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6577 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6578 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6579 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6580 (perfect_nestify): Use new iterator.
6581 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6583 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6584 (next_imm_name): New field in struct immediate_use_iterator_d.
6585 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6586 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6587 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6588 * tree-cfg.c (replace_uses_by): Use new iterator.
6589 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6590 * tree-ssa-operands.c (correct_use_link): Remove.
6591 (finalize_ssa_use_ops): No longer call correct_use_link.
6593 2006-04-27 Stuart Hastings <stuart@apple.com>
6595 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6596 * config/t-darwin (crt3.o): Use it.
6597 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6598 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6599 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6600 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6601 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6604 2006-04-27 Roger Sayle <roger@eyesopen.com>
6606 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6607 size, force the intermediate into a new pseudo rather instead of
6608 performing both a bitwise AND and a bitwise IOR in memory.
6610 2006-04-27 Richard Guenther <rguenther@suse.de>
6612 PR rtl-optimization/26685
6613 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6614 this one "max-flow-memory-locations".
6616 2006-04-27 Richard Guenther <rguenther@suse.de>
6618 PR tree-optimization/25148
6619 * tree-vrp.c (compare_values): Remove code dealing with
6620 comparisons against type min/max value. Honour overflow
6621 and negative constants in code dealing with comparisons
6622 of plus and minus expressions.
6623 (value_inside_range): Use fold_binary with LE_EXPR and
6624 GE_EXPR rather than compare_values.
6626 2006-04-27 Dirk Mueller <dmueller@suse.de>
6628 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6631 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6633 * basic-block.h (safe_insert_insn_on_edge): Removed.
6634 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6636 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6637 Paolo Bonzini <bonzini@gnu.org>
6640 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6641 (simplify_and_const_int): Same.
6643 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6645 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6647 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6650 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6651 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6652 cgraph_global_info_ready.
6655 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6658 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6659 either decl or init is error_mark_node.
6662 * tree-flow.h (struct omp_region): Add sched_kind.
6663 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6664 instead of extracting omp for data.
6665 (expand_omp_for): Save extracted sched_kind.
6667 2006-04-25 Roger Sayle <roger@eyesopen.com>
6669 * expmed.c (store_bit_field): Also check whether the bitsize is
6670 valid for the machine's "insv" instruction before moving the
6671 target into a pseudo for use with the insv.
6672 * config/i386/predicates.md (const8_operand): New predicate.
6673 * config/i386/i386.md (extv, extzv, insv): Use the new
6674 const8_operand predicate where appropriate.
6676 2006-04-25 DJ Delorie <dj@redhat.com>
6678 * doc/install.texi (Specific): Clarify that this is not a list of
6679 supported hosts or targets.
6681 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6683 PR rtl-optimization/26725
6684 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6685 block's BB_DIRTY flag.
6687 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6689 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6692 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6693 to print an integer.
6695 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6697 * varasm.c (align_variable): New function.
6698 (get_block_for_decl): Apply align_variable to DECL before
6699 calculating section information.
6700 (assemble_variable): Split out alignment computation.
6702 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6704 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6707 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6709 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6710 MODE_PARTIAL_INT mode.
6711 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6712 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6714 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6715 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6717 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6719 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6721 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6722 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6723 MACFLAG_IH): Likewise.
6724 (movstricthi_1): Renamed from "*movstricthi".
6725 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6726 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6727 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6728 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6729 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6730 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6731 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6732 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6733 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6734 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6735 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6736 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6737 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6738 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6739 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6741 * doc/rtl.texi (ss_ashift): Improve wording.
6743 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6745 * dwarf2out.c (verify_marks_clear): New.
6746 (prune_unused_types): Call verify_marks_clear initially, not
6749 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6751 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6752 * doc/rtl.texi: Document them.
6753 * simplify-rtx.c (simplify_unary_operation,
6754 simplify_binary_operation_1): Don't abort when we see them.
6756 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6759 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6760 * configure.ac: Completely disregard languages that are not
6762 * configure: Regenerated.
6764 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6765 Richard Guenther <rguenther@suse.de>
6767 PR tree-optimization/27236
6768 * tree-inline.c (copy_body_r): Make sure to copy
6769 TREE_THIS_VOLATILE flag.
6771 2006-04-24 Richard Guenther <rguenther@suse.de>
6774 * tree-complex.c (update_parameter_components): Don't handle
6775 unused parameters which have no default def.
6777 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6778 Richard Guenther <rguenther@suse.de>
6780 PR tree-optimization/27218
6781 * tree-inline.c (expand_call_inline): Strip useless type
6782 conversions for the return slot address.
6784 2006-04-24 Richard Guenther <rguenther@suse.de>
6786 * cfgloop.h (struct loops): Remove unused field array. Reorder
6788 (LOOP_PREFETCH): Remove.
6790 2006-04-24 Richard Guenther <rguenther@suse.de>
6792 PR tree-optimization/22525
6793 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6794 variable, adjust types of generated expressions.
6796 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6798 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6799 (tree-vect-patterns.o): Likewise.
6801 (cselib.o): Likewise.
6802 (loop-doloop.o): Likewise.
6803 (regclass.o): Likewise.
6804 (reload1.o): Likewise.
6805 (explow.o): Replace target.h with $(TARGET_H).
6806 (ipa-prop.o): Likewise.
6807 (ipa-cp.o): Likewise.
6808 (ipa-inline.o): Likewise.
6809 (reorg.o): Likewise.
6810 (reg-stack.o): Likewise.
6812 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6814 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6816 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6818 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6820 * configure.ac: Completely disregard languages that are not
6822 * configure: Regenerated.
6825 * c-common.h (c_build_bitfield_integer_type): Declare.
6826 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6827 * c-common.c (c_build_bitfield_integer_type): ... here.
6829 2006-04-23 Roger Sayle <roger@eyesopen.com>
6832 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6833 a SImode SUBREG of a floating point register after no_new_pseudos.
6835 2006-04-23 Roger Sayle <roger@eyesopen.com>
6837 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6838 identify potentially eliminable registers to additionally catch
6839 VIRTUAL_INCOMING_ARGS_REGNUM.
6840 (addsi3): Update the conditions on when to use addsi_small_int.
6842 2006-04-23 Roger Sayle <roger@eyesopen.com>
6845 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6846 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6847 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6849 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6851 * fold-const.c (range_predecessor): Use operand_equal_p
6852 as the predicate for equality.
6853 (range_successor): Likewise.
6855 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6858 * config/soft-fp/op-common.h: Fix a typo.
6860 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6863 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6864 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6866 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6868 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6870 * doc/tm.texi: Fix a typo.
6872 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6874 * dwarf2out.c (struct die_struct): Document that die_sib makes
6875 a circular linked list.
6876 (FOR_EACH_CHILD): New.
6877 (reverse_die_lists): Delete.
6878 (reverse_all_dies): Delete.
6879 (add_dwarf_attr): Correct documentation.
6880 (remove_child_with_prev): New.
6881 (remove_child_TAG): Update for change to die_struct, use
6882 remove_child_with_prev.
6883 (add_child_die): Update for change to die_struct.
6884 (splice_child_die): Use remove_child_with_prev and add_child_die.
6885 (print_die): Use FOR_EACH_CHILD.
6886 (die_checksum): Likewise.
6887 (assign_symbol_names): Likewise.
6888 (output_location_lists): Likewise.
6889 (build_abbrev_table): Likewise.
6890 (calc_die_sizes): Likewise.
6891 (mark_dies): Likewise.
6892 (unmark_dies): Likewise.
6893 (unmark_all_dies): Likewise.
6894 (output_die): Likewise.
6895 (prune_unused_types_mark): Likewise.
6896 (prune_unused_types_walk): Likewise.
6897 (same_die_p): Update for change to die_struct.
6898 (break_out_includes): Likewise.
6899 (prune_unused_types_prune): Likewise.
6900 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6901 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6903 (dwarf2out_finish): Don't call reverse_all_dies.
6905 2006-04-21 Eric Christopher <echristo@apple.com>
6907 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6908 in comments and function names.
6910 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6913 * c-typeck.c (digest_init): Robustify.
6915 * c-typeck.c (pop_init_level): Simplify.
6917 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6919 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6921 2006-04-21 Paul Brook <paul@codesourcery.com>
6923 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6924 hardware floating point.
6926 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6928 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6931 2006-04-21 Nick Clifton <nickc@redhat.com>
6933 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6936 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6939 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6940 C++ lang type in traceback table for Objective-C++.
6942 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6944 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6946 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6948 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6951 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6952 were errors. Remove check for erroneous objects.
6954 2006-04-20 Jeff Law <law@redhat.com>
6956 PR tree-optimization/26854
6957 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6958 checking for zero or one use.
6959 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6960 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6961 * tree-ssa-reassoc.c (negate_value): Similarly.
6962 (reassociate_bb): Similarly.
6964 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6966 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6967 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6968 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6970 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6972 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6973 fp regs if the last fp arg doesn't fit in regs.
6975 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6978 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6979 that the last insn has the REG_INC note.
6981 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6982 Nathan Sidwell <nathan@codesourcery.com>
6985 * stor-layout.c (update_alignment_for_field): Do not align
6987 (place_union_field): Place union field at the start of the union.
6988 (place_field): Move ERROR_MARK check later, and use the current
6989 allocation position to maintain monotonicity.
6991 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6993 * dominance.c: Include timevar.h.
6994 (calculate_dominance_info): Use TV_DOMINANCE.
6995 * timevar.def (TV_DOMINANCE): New timevar.
6996 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6998 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7000 PR rtl-optimization/14261
7001 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7002 move would be an INSV insn.
7003 (noce_process_if_block): Don't optimize if the destination is a
7004 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7006 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7008 * config/s390/s390.md: Add comments with the instructions emitted
7009 by an insn pattern if macros are used.
7011 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7013 PR rtl-optimization/26026
7014 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7015 is a known power of two shifted left a variable amount.
7017 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7019 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7020 to hash table twice when the debug_str section has SECTION_MERGE.
7022 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7024 * config/soft-fp: New directory. From glibc.
7025 * config/soft-fp/t-softfp: New.
7026 * config/soft-fp/README: New.
7027 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7028 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7029 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7030 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7031 * config.gcc: Use rs6000/t-fprules-fpbit or
7032 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7034 * config/rs6000/sfp-machine.h: New. Based on glibc.
7035 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7037 * config/rs6000/t-fprules: Remove fp-bit rules.
7038 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7039 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7040 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7041 (softfp_wrap_start, softfp_wrap_end): New.
7043 2006-04-18 DJ Delorie <dj@redhat.com>
7045 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7047 2006-04-18 Devang Patel <dpatel@apple.com>
7049 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7051 2006-04-18 Nick Clifton <nickc@redhat.com>
7053 * config/sh/t-symbian: Add rule to build sh-c.o
7054 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7055 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7056 (sh_symbian_encode_section_info): Likewise.
7058 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7060 * builtins.c (expand_builtin_strcmp): Cover label definition of
7061 do_libcall with HAVE_cmpstrnsi.
7063 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7065 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7067 * function.h (temp_slot_p): New.
7068 (function): Change the type of x_used_temp_slots to
7069 VEC(temp_slot_p,gc) *.
7071 2006-04-18 Nick Clifton <nickc@redhat.com>
7073 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7074 flag_strength_reduce.
7076 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7078 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7082 Partial revert of revision 112637
7083 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7084 Dale Johannesen <dalej@apple.com>
7087 * regclass.c (struct reg_pref): Update documentation.
7088 (regclass): Set prefclass to NO_REGS if memory is the best option.
7089 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7091 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7093 PR tree-optimization/26821
7094 * tree-ssa-math-opts.c (get_constant_one): New.
7095 (insert_reciprocals): Use it.
7097 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7099 * dwarf2out.c (free_AT): Delete.
7100 (remove_AT): Update string ref counts.
7101 (remove_child_TAG): Don't call free_die.
7103 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7104 or DW_TAG_GNU_EINCL.
7105 (prune_unused_types_walk_attribs): Reset string refcounts.
7106 (prune_unused_types_update_strings): New.
7107 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7108 call free_die. Do call prune_unused_types_update_strings.
7109 (prune_unused_types): Empty debug_str_hash.
7111 2006-04-17 Roger Sayle <roger@eyesopen.com>
7113 * expr.c (expand_assignment): Optimize away no-op moves where the
7114 source and destination are equal and have no side-effects.
7116 2006-04-17 Richard Guenther <rguenther@suse.de>
7119 * reload.c (push_reload): Guard calls to get_secondary_mem
7122 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7124 * alias.c (reg_base_value, old_reg_base_value): Change the
7125 type to VEC(rtx,gc) *.
7126 (REG_BASE_VALUE, find_base_value, record_set,
7127 init_alias_analysis): Use VEC instead of VARRAY.
7129 * alias.c (alias_sets): Change the type to
7130 VEC(alias_set_entry,gc) *.
7131 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7132 VEC instead of VARRAY.
7133 (last_alias_set): Remove.
7135 * cgraph.h (cgraph_edge_p): New.
7136 Update the prototype of cgraph_function_versioning.
7137 * cgraphunit.c (cgraph_copy_node_for_versioning,
7138 cgraph_function_versioning): Use VEC instead of VARRAY.
7139 * ipa-cp.c (ipcp_insert_stage): Likewise.
7141 2006-04-16 Roger Sayle <roger@eyesopen.com>
7144 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7145 "A op B" or "A op C", we may need to convert A to the type of B and C.
7147 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7149 * target.h (struct gcc_target): Add mode_rep_extended.
7150 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7151 (init_num_sign_bit_copies_in_rep): Initialize it using
7153 (truncate_to_mode): Use it.
7154 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7155 * targhooks.h (default_mode_rep_extended): Declare it.
7156 * targhooks.c (default_mode_rep_extended): Define it.
7157 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7158 default_mode_rep_extended.
7159 (TARGET_INITIALIZER): Include it.
7160 * doc/tm.texi (Misc): Document it.
7161 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7162 (mips_truncated_to_mode): New function.
7164 2006-04-16 Roger Sayle <roger@eyesopen.com>
7167 * expr.c (compress_float_constant): Copy the narrow constant into
7168 a new pseudo before extending it to its final width.
7170 2006-04-16 Roger Sayle <roger@eyesopen.com>
7171 Andrew Pinski <pinskia@gcc.gnu.org>
7172 Dale Johannesen <dalej@apple.com>
7175 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7176 special case code to implement V8HImode and V16QImode with SSE2.
7178 2006-04-15 Roger Sayle <roger@eyesopen.com>
7180 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7181 trees are constructed with a suitable tree type.
7183 2006-04-15 Roger Sayle <roger@eyesopen.com>
7185 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7186 (integer_onep): Likewise.
7187 (integer_all_onesp): Likewise.
7188 (integer_pow2p): Likewise.
7189 (integer_nonzerop): Likewise.
7190 (real_zerop): Likewise.
7191 (real_onep): Likewise.
7192 (real_twop): Likewise.
7193 (real_minus_onep): Likewise.
7194 (int_size_in_bytes): Likewise.
7195 (host_integerp): Likewise.
7197 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7199 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7200 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7201 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7203 * tree-ssa-structalias.h (alias_info): Remove num_references.
7205 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7207 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7208 (output_bvb patterns): Likewise.
7209 * pa.c (output_bb): Use 'bb' insn for long branch case.
7210 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7211 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7212 1. Correct length operand for alternatives 1 and 2.
7213 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7214 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7216 2006-04-14 Roger Sayle <roger@eyesopen.com>
7218 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7219 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7220 were accidentally reverted by r112959.
7222 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7225 * except.h (eh_region_outermost): New prototype.
7226 * except.c (eh_region_outermost): New function.
7227 * tree-cfg.c (find_outermost_region_in_block): Use it.
7229 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7231 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7233 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7234 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7235 (init_reload, reload): Use VEC instead of VARRAY.
7236 * reload.h: Update the prototype for
7237 reg_equiv_memory_loc_varray.
7239 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7240 Eric Botcazou <ebotcazou@libertysurf.fr>
7242 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7245 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7248 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7249 to expand fallback builtin function call.
7251 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7254 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7255 and emit libcall here in case the builtin fails.
7256 (expand_builtin_strcmp): Always emit the libcall here on failure.
7258 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7260 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7261 * flow.c (reg_n_info): Change the type to
7262 VEC(reg_info_p,heap) *.
7263 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7265 * regs.h (reg_info_p): New.
7266 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7267 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7268 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7271 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7273 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7275 * params.h (MAX_SCHED_READY_INSNS): New macro.
7276 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7277 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7278 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7279 the ready list for 1 cycle during the first scheduling pass.
7280 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7282 2006-04-13 Richard Henderson <rth@redhat.com>
7285 * gimple-low.c (lower_omp_directive): Remove dead code.
7286 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7287 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7288 * omp-low.c (struct omp_region): Move to tree-flow.h.
7289 (root_omp_region): Export.
7290 (omp_regions, lookup_omp_region): Remove.
7291 (determine_parallel_type): Update for struct omp_region changes.
7292 (dump_omp_region): Dump regions with block numbers.
7293 (new_omp_region): Take type and block instead of stmt; malloc
7295 (free_omp_region_1, free_omp_regions): New.
7296 (expand_parallel_call): Take entry_stmt as argument; update for
7297 changes to omp_region.
7298 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7299 (remove_exit_barriers): New.
7300 (expand_omp_parallel): Update for struct omp_region changes.
7301 (expand_omp_synch): Likewise.
7302 (expand_omp): Likewise.
7303 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7304 (expand_omp_for_static_chunk): Likewise.
7305 (expand_omp_for): Likewise.
7306 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7307 (expand_omp_sections): Similarly, with GOMP_sections_end.
7308 (expand_omp_single): New.
7309 (build_omp_regions_1): Update for OMP_CONTINUE.
7310 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7311 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7312 OMP_SECTIONS_SECTIONS.
7313 (lower_omp_single_simple): Don't emit barrier here.
7314 (lower_omp_single_copy): Likewise.
7315 (lower_omp_single): Fix bindings, and lower to straightline now.
7316 (lower_omp_master, lower_omp_ordered): Likewise.
7317 (lower_omp_critical): Likewise.
7318 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7319 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7320 omp edges, free it afterward.
7321 (make_omp_sections_edges): Remove.
7322 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7323 (move_stmt_r): Handle OMP_CONTINUE.
7324 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7325 statement pointers to basic blocks. Add type member.
7326 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7327 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7328 * tree-inline.c (estimate_num_insns_1): Likewise.
7329 * tree-pretty-print.c (dump_generic_node): Likewise.
7330 * tree-ssa-operands.c (get_expr_operands): Likewise.
7331 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7332 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7333 (OMP_CONTINUE): New.
7334 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7335 (OMP_SECTIONS_SECTIONS): Remove.
7336 (OMP_SECTION_LAST): New.
7337 (OMP_RETURN_NOWAIT): New.
7339 2006-04-13 Roger Sayle <roger@eyesopen.com>
7341 * fold-const.c (native_encode_vector, native_interpret_real):
7342 Correct obvious mistakes in the previous check-in.
7344 2006-04-13 Roger Sayle <roger@eyesopen.com>
7346 * fold-const.c (native_encode_expr): New function to encode
7347 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7348 or VECTOR_CST into a specified buffer.
7349 (native_encode_int): New function.
7350 (native_encode_real): New function.
7351 (native_encode_complex): New function.
7352 (native_encode_vector): New function.
7353 (native_interpret_expr): Inverse of native_encode_expr to convert
7354 a target representation into an INTEGER_CST, REAL_CST etc...
7355 (native_interpret_int): New function.
7356 (native_interpret_real): New function.
7357 (native_interpret_complex): New function.
7358 (native_interpret_vector): New function.
7359 (fold_view_convert_expr): New function to constant fold/evaluate
7360 a VIEW_CONVERT_EXPR of a suitable constant expression.
7361 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7362 Change call of build1 to fold_build1 when constructing a
7365 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7366 Ulrich Weigand <uweigand@de.ibm.com>
7369 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7372 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7375 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7376 optimize to lo_sum for DFmode if !TARGET_FPRS.
7378 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7380 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7381 delete_alias_info, compute_flow_sensitive_aliasing,
7382 group_aliases): Use VEC instead of VARRAY.
7383 * tree-ssa-structalias.c (update_alias_info): Likewise.
7384 * tree-ssa-structalias.h (alias_info): Change the type of
7385 processed_ptrs to VEC(tree,heap) *.
7387 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7390 * config/sh/lib1funcs.h: New file, broken out of:
7391 * config/sh/lib1funcs.asm.
7392 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7394 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7395 * config/sh/lib1funcs-Os-4-200.asm: New file.
7396 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7397 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7398 (EXTRA_MULTILIB_PARTS): Include it.
7399 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7400 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7401 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7402 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7405 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7407 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7408 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7409 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7411 * tree-ssa-live.h: Include vecprim.h.
7412 (tree_partition_associator_d): Change the type of
7413 first_partition to VEC(int,heap) *.
7414 (tpa_first_partition): Use VEC instead of VARRAY.
7416 * Makefile.in (GTFILES): Move functions.h after tree.h.
7417 * function.c (reset_block_changes, record_block_change,
7418 check_block_change, free_block_changes): Use VEC instead of
7420 * function.h (function): Change the type of
7421 ib_boundaries_block to VEC(tree,gc) *.
7422 * tree-inline.c (copy_cfg_body): Initialize
7423 ib_boundaries_block to NULL instead of (varray_type) 0.
7425 2006-04-12 Roger Sayle <roger@eyesopen.com>
7427 * expr.c (emit_group_store): Correct operand order in call to
7428 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7429 a SUBREG_BYTE of zero.
7431 2006-04-12 Richard Guenther <rguenther@suse.de>
7433 * profile.c (compute_branch_probabilities): Remove code
7434 encapsulated in !ir_type (), which are remanents of the
7435 removed RTL profiling code.
7436 * rtl-profile.c: Remove.
7438 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7440 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7441 magic NULL_RTX comment.
7442 (function_arg): Store entire fp arg to mem if any part should go
7444 (rs6000_arg_partial_bytes): Adjust for above change.
7446 2006-04-11 Roger Sayle <roger@eyesopen.com>
7448 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7449 if it hasn't been initialized by dwarf2out_init.
7451 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7453 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7454 symbolic constants in branch patterns.
7456 2006-04-11 Roger Sayle <roger@eyesopen.com>
7458 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7460 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7462 PR rtl-optimization/27073
7463 * gcse.c (try_replace_reg): Revert last change. Continue to search
7464 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7467 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7469 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7470 aggregate types other than record and union types.
7471 (function_arg): Likewise.
7472 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7474 (function_value): In 64-bit mode, return objects that require it
7477 2006-04-11 Roger Sayle <roger@eyesopen.com>
7479 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7481 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7483 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7485 2006-04-03 Jeff Law <law@redhat.com>
7488 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7489 alias information too.
7491 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7493 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7495 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7498 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7499 (premark_used_types_helper): New.
7500 (premark_used_types): New.
7501 (gen_subprogram_die): Call premark_used_types.
7502 (prune_unused_types_walk): Do not prune perennial dies.
7503 * function.c (used_types_insert): New.
7504 * function.h (struct function): Add used_types_hash field.
7505 (used_types_insert): Add prototype.
7506 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7507 * c-parser.c (c_parser_cast_expression): Save casted types in used
7510 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7513 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7514 rs6000_explicit_options.float_gprs.
7516 2006-04-10 Roger Sayle <roger@eyesopen.com>
7518 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7519 from ix86_expand_vector_init_low_nonzero. Take an additional
7520 one_var argument indicating which element is non-zero. Support
7521 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7522 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7523 with one_var instead of ix86_expand_vector_init_low_nonzero.
7525 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7527 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7528 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7529 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7530 build/genextract.o): Depend on vecprim.h.
7531 * cfglayout.c, df-problems.c, function.c, genextract.c,
7532 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7533 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7537 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7539 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7540 Declare VECs of this type.
7541 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7542 (remove_children): Delete.
7543 (add_dwarf_attr): Use VEC routines.
7544 (add_AT_flag): Update for changes to add_dwarf_attr.
7545 (add_AT_int): Likewise.
7546 (add_AT_unsigned): Likewise.
7547 (add_AT_long_long): Likewise.
7548 (add_AT_vec): Likewise.
7549 (add_AT_string): Likewise.
7550 (add_AT_die_ref): Likewise.
7551 (add_AT_fde_ref): Likewise.
7552 (add_AT_loc): Likewise.
7553 (add_AT_loc_list): Likewise.
7554 (add_AT_addr): Likewise.
7555 (add_AT_lbl_id): Likewise.
7556 (add_AT_lineptr): Likewise.
7557 (add_AT_macptr): Likewise.
7558 (add_AT_offset): Likewise.
7559 (add_AT_range_list): Likewise.
7560 (get_AT): Use VEC_iterate.
7561 (remove_AT): Use VEC_ordered_remove.
7562 (free_die): Fold remove_children into here; have it use VEC_iterate.
7563 (print_die): Use VEC_iterate on attrs.
7564 (reverse_die_lists): Don't reverse attr lists.
7565 (die_checksum): Use VEC_iterate on attrs.
7566 (same_die_p): Likewise.
7567 (output_location_lists): Likewise.
7568 (build_abbrev_table): Likewise.
7569 (size_of_die): Likewise.
7570 (unmark_all_dies): Likewise.
7571 (output_abbrev_section): Likewise.
7572 (output_die): Likewise.
7573 (prune_unused_types_walk_attribs): Likewise.
7575 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7577 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7579 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7582 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7584 2006-04-09 Roger Sayle <roger@eyesopen.com>
7586 * expr.c (store_constructor): Don't bother clearing target if
7587 we're about to assign a vector to it using vec_init_optab.
7589 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7591 * tree-ssa-alias.c (lhs_may_store_to): New function.
7592 (recalculate_used_alone): Handle LHS of calls.
7594 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7598 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7599 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7600 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7601 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7602 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7603 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7604 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7605 stubs. Add ".align 8" directives before all ".dword" directives.
7606 (GTHREAD_USE_WEAK): Revise comment.
7607 (TARGET_ATTRIBUTE_WEAK): Define.
7608 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7609 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7610 * stublib.c: New file.
7615 * pa.md (cbranch patterns): Revise arguments used in calls to
7616 output_cbranch, output_bb and output_bvd. Add long branch length
7618 (fbranch patterns): Handle long branches.
7619 (jump): Revise length check. Revise arguments for output_lbranch call.
7620 Add long branch length attributes.
7621 (decrement_and_branch_until_zero): Add long branch length attributes.
7622 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7623 Likewise. Revise arguments for output_parallel_addb and
7624 output_parallel_movb calls.
7625 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7626 output_parallel_movb and output_parallel_addb): Update prototypes.
7627 * pa.c (output_cbranch): Revise arguments. Correct handling of
7628 nullification in long branches.
7629 (output_lbranch): Add new argument to control extraction of delay
7631 (output_bb): Handle long branches.
7632 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7633 output_parallel_addb): Likewise.
7635 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7637 PR rtl-optimization/27073
7638 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7641 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7643 * tree.h (tree_memory_tag): Add old_used_alone.
7644 (SMT_OLD_USED_ALONE): New macro.
7645 * tree-ssa-alias.c (recalculate_used_alone): Stop
7646 marking things for renaming unnecessarily.
7648 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7650 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7651 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7652 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7653 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7654 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7655 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7656 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7657 spelling convensions.
7658 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7659 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7660 typos. Follow spelling conventions.
7662 2006-04-07 DJ Delorie <dj@redhat.com>
7664 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7665 passed on the stack.
7666 (m32c_init_cumulative_args): When a function returns a structure,
7667 always pass the pointer to that return area on the stack.
7668 (m32c_function_arg_advance): Don't increment the parameter number
7669 if we're processing the returned structure pointer.
7670 (pushm_info): Reverse order of registers.
7672 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7674 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7675 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7676 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7677 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7679 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7680 chrec_fold_multiply): Same.
7681 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7682 force_expr_to_var_cost): Same.
7683 * tree-mudflap.c (mf_xform_derefs_1): Same.
7684 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7686 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7688 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7689 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7692 2006-04-07 Jan Hubicka <jh@suse.cz>
7694 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7696 2006-04-07 Richard Guenther <rguenther@suse.de>
7698 PR tree-optimization/26135
7699 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7700 loads for store copy-prop.
7701 (copy_prop_visit_stmt): Likewise.
7703 2006-04-05 Robert Millan <robertmh@gnu.org>
7705 * config/i386/linux.h: Add a comment to mark macros that are
7706 being overriden in config/k*bsd-gnu.h.
7707 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7709 * config/knetbsd-gnu.h: Ditto.
7711 2006-04-06 Jan Hubicka <jh@suse.cz>
7715 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7718 2006-04-06 Mike Stump <mrs@apple.com>
7720 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7721 for HAVE_nonlocal_goto to be consistent.
7722 (expand_builtin_nonlocal_goto): Likewise.
7723 (expand_builtin_strcmp): Use #ifdef instead of #if
7724 for HAVE_cmpstrnsi to be consistent.
7726 2006-04-05 DJ Delorie <dj@redhat.com>
7728 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7731 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7733 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7734 got-relative addressing for anything but SImode.
7736 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7737 even if the calling function doesn't modify them.
7739 2006-04-05 Richard Guenther <rguenther@suse.de>
7741 PR tree-optimization/26919
7742 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7743 to cgraph_estimate_size_after_inlining.
7745 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7747 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7749 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7751 PR tree-optimization/26996
7752 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7753 VECTOR_TYPE variables.
7755 2006-04-05 Richard Guenther <rguenther@suse.de>
7757 PR tree-optimization/26763
7758 * fold-const.c (fold_comparison): Move folding of
7759 PTR + CST CMP PTR + CST ...
7760 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7762 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7764 * doc/install.texi (Prerequisites): Refine some wording on
7765 bootstrapping and ksh.
7766 Move the version numbers of DejaGnu here from the testing section
7767 and fix casing of names.
7768 Fix markup and clarify wording for autogen requirements.
7769 Refer to GCJ instead of just java.
7770 Refer to SVN instead of CVS.
7771 Describe diffutils as useful instead of necessary.
7772 (Downloading the source): Refer to SVN instead of CVS.
7773 Adjust a link to our web site accordingly.
7774 (Configuration): Fix casing of Bison.
7775 (Building): Refer to SVN instead of CVS.
7776 Fix a sentence on the use of Bison and remove duplicate (and
7777 incorrect) version number of Bison requirement.
7778 Remove one redundant list of packages needed for building.
7779 (Specific): Avoid reference to CVS.
7781 2006-04-04 Eric Christopher <echristo@apple.com>
7783 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7784 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7785 (rs6000_handle_struct_attribute): New.
7786 (rs6000_ms_bitfield_layout_p): Ditto.
7788 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7790 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7791 NULL for dso parameter to atexit_common.
7793 2006-04-04 Eric Christopher <echristo@apple.com>
7795 * config/i386/i386.c (machopic_output_stub): Output \t
7796 between instructions and operands.
7798 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7800 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7801 satisfies_constraint_[IL] to explicit tests on value.
7803 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7805 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7806 set_nb_iterations_in_loop): Use build_int_cst instead of
7808 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7809 build_int_cst instead of convert.
7811 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7813 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7814 new value 2 for incoming.
7815 * function.c (expand_function_start): Call struct_value_rtx
7817 * config/sparc/sparc.md: Comment updated_return.
7818 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7819 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7820 struct return if sparc_std_struct_return and incoming is 2.
7821 (print_operand): Do not adjust return if
7822 sparc_std_struct_return.
7824 2006-04-04 Roger Sayle <roger@eyesopen.com>
7826 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7827 convert in the middle-end.
7828 * expr.c (store_expr, store_constructor, get_inner_reference,
7829 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7831 * tree.c (build_range_type): Likewise.
7833 2006-04-04 Tom Tromey <tromey@redhat.com>
7835 * doc/install.texi (Prerequisites): Mention jar.
7837 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7839 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7842 2006-04-04 Matthias Klose <doko@debian.org>
7844 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7848 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7851 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7853 * doc/extend.texi (Function Attributes): Rewrite visibility
7854 attribute documentation.
7855 * doc/invoke.texi (C++ Dialect Options): Rewrite
7856 -fvisibility-inlines-hidden documentation to describe something
7857 entirely different, although in practise compatible.
7858 (Code Gen Options): Warn about system headers in -fvisibility=
7861 * doc/extend.texi (Other Builtins): Document that
7862 __builtin_nan is a compile-time constant only when its argument
7865 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7867 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7868 trying to remove TRUNCATE check if all bits outside the new mode
7869 are identical to the sign bit.
7871 2006-04-03 Jeff Law <law@redhat.com>
7873 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7874 and operand scanning in some common cases.
7876 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7877 Dale Johannesen <dalej@apple.com>
7880 * regclass.c (struct reg_pref): Update documentation.
7881 (regclass): Set prefclass to NO_REGS if memory is the best option.
7882 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7883 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7884 into account. For non-registers, equate an empty preferred
7885 reload class to a `!' in the constraint; move the if clause to
7886 do so after those that reject the insn.
7887 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7889 (find_dummy_reload): Likewise.
7890 * doc/tm.texi (Register Classes): Document what it means
7891 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7892 * config/i386/i386.c (ix86_preferred_reload_class): Force
7893 using SSE registers (and return NO_REGS for floating-point
7894 constants) if math is done with SSE.
7895 (ix86_preferred_output_reload_class): New.
7896 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7897 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7898 * config/i386/i386.md: Remove # register preferences.
7900 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7903 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7904 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7905 the type of nb_iter.
7906 (instantiate_parameters_1): Convert the operands before calling
7907 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7908 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7910 2006-04-02 Roger Sayle <roger@eyesopen.com>
7912 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7913 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7915 * dojump.c (do_jump): Likewise.
7916 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7917 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7918 gimplify_boolean_expr): Likewise.
7919 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7920 * varasm.c (array_size_for_constructor): Likewise.
7921 * tree-object-size.c (compute_object_offset): Likewise.
7923 2006-04-02 Roger Sayle <roger@eyesopen.com>
7926 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7927 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7929 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7931 PR tree-optimization/26939
7932 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7934 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7936 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7937 at_stmt. Convert the type of operands before calling
7938 build_polynomial_chrec.
7939 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7941 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7942 (instantiate_parameters_1): Convert the type of operands before calling
7943 build_polynomial_chrec.
7944 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7945 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7946 reset_evolution_in_loop): Insert asserts to check the types of the
7948 (chrec_type): Moved...
7949 (eq_evolutions_p): Use operand_equal_p.
7950 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7951 the types of the operands.
7952 (chrec_type): ...here.
7953 * tree-data-ref.c (create_data_ref): Convert the operands before
7954 calling chrec_replace_initial_condition.
7955 (same_access_functions, analyze_subscript_affine_affine,
7956 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7957 (compute_subscript_distance, analyze_ziv_subscript,
7958 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7959 analyze_miv_subscript): Convert the operands before calling
7960 chrec_fold_minus or chrec_fold_plus.
7962 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7964 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7965 the dependence_relations vector.
7966 (compute_data_dependences_for_loop): Adjust call to
7967 compute_all_dependences.
7969 2006-04-01 Roger Sayle <roger@eyesopen.com>
7970 Richard Henderson <rth@redhat.com>
7972 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7973 gimple_boolify on the condition before calling gimplify_expr.
7975 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7977 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7978 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7979 the frame size. Update to use the new macros.
7980 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7981 * config/xtensa/ieee754-df.S: Likewise.
7983 2006-03-31 Richard Henderson <rth@redhat.com>
7985 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7986 (make_edges): ... here. Control fallthru creation with a local
7987 variable. Do not play with fake edges.
7988 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7989 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7992 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7994 * dwarf2.h (DW64_CIE_ID): Define.
7995 * dwarf2out.c (DWARF_CIE_ID): Define.
7996 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7997 length header. Use DWARF_CIE_ID.
7998 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7999 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8001 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8003 * config/sh/linux-atomic.asm: New file.
8004 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8006 2006-03-31 DJ Delorie <dj@redhat.com>
8008 * config/m32c/cond.md: Set condition flags properly throughout.
8009 * config/m32c/minmax.md: Likewise.
8010 * config/m32c/prologue.md: Likewise.
8011 * config/m32c/bitops.md: Likewise.
8012 * config/m32c/muldiv.md: Likewise.
8013 * config/m32c/mov.md: Likewise.
8014 * config/m32c/addsub.md: Likewise.
8015 * config/m32c/m32c.md: Likewise.
8016 * config/m32c/jump.md: Likewise.
8017 * config/m32c/shift.md: Likewise.
8019 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8020 conditionally output the pattern for this.
8021 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8022 (m32c_compare_redundant): New.
8023 (m32c_output_compare): New.
8024 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8026 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8027 dest, not src. Allow other 4-byte modes.
8029 2006-03-30 Denis Chertykov <denisc@overta.ru>
8031 * doc/md.texi: Refer to avr/constraints.md instead of
8034 2006-03-30 Roger Sayle <roger@eyesopen.com>
8036 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8037 signed vs. unsigned comparison failures on some hosts.
8039 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8042 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8043 change to FLOAT_REGS.
8045 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8046 (rs6000_override_options): Use it.
8047 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8048 only for -mabi=spe/no-spe and -mabi=altivec.
8050 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8052 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8055 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8057 * Makefile.in: Rename docdir to gcc_docdir.
8059 2006-03-30 Roger Sayle <roger@eyesopen.com>
8062 * expr.c (emit_group_store): Optimize group stores into a pseudo
8063 register by using a paradoxical subreg to initialize the destination
8064 if the first or last member of the group specifies a "low part".
8066 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8069 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8070 * target.h (struct gcc_target.speculate_insn): Change type of the
8071 second parameter to 'int'.
8072 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8073 the second operand of the DEPS_LIST.
8074 (copy_DEPS_LIST_list): Update reference to the second operand of the
8076 * rtl.h (alloc_DEPS_LIST): Update signature.
8077 * sched-int.h (ds_t): Change typedef to 'int'.
8078 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8080 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8082 * haifa-sched.c (try_ready): Change condition to restore
8083 non-speculative pattern of the instruction.
8084 (process_insn_depend_be_in_spec): Code to keep probability of the
8085 speculative dependence non-decreasing.
8087 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8089 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8090 (single_move_for_movmem): ... this. Also change all uses.
8091 (bfin_expand_strmov): Renamed to...
8092 (bfin_expand_movmem): ... this. Also change all uses.
8093 * config/bfin/bfin.md (movstrsi): Renamed to...
8094 (movstrsi): ...this.
8096 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8098 PR tree-optimization/26830
8100 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8101 (copy_prop_visit_stmt): Remove write-only variable ann.
8102 (init_copy_prop): Check variable loop depth here. Do not simulate
8103 memory-tag and virtual operand PHIs except for store copy prop.
8105 2006-03-30 Richard Guenther <rguenther@suse.de>
8107 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8108 variants with double arguments.
8110 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8112 * genpreds.c (write_tm_constrs_h): Delete variable p.
8113 * genconditions.c (write_header): Add tm-constrs.h to included
8115 * genpeep.c (main): Add toplev.h to included headers.
8116 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8117 (build/genpeep.o): Add toplev.h dependency.
8118 * config/rs6000/constraints.md: Add "W" constraint.
8120 2006-03-29 Roger Sayle <roger@eyesopen.com>
8122 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8123 sizes by correctly testing whether the size fits a host integer.
8124 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8125 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8126 SImode range for the default sizetype and bitsizetype.
8128 2006-03-29 Roger Sayle <roger@eyesopen.com>
8130 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8131 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8132 quickly if the argument is already of the correct type.
8133 Call fold_build1 instead of build1. Tidy up blank lines.
8135 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8137 * genemit.c (main): Add tm-constrs.h to included headers.
8138 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8139 * genpeep.c (main): Add tm-constrs.h to included headers.
8140 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8141 (write_tm_constrs_h): this and write complete file.
8142 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8143 (write_insn_preds_c): Add tm-constrs.h to included headers.
8144 (gen_constrs): New variable.
8145 (parse_option): Parse "-c".
8146 (main): Invoke write_tm_constrs_h.
8147 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8148 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8149 (object_out_file): Add tm-constrs.h dependency.
8150 (insn-emit.o): Same.
8151 (insn-output.o): Same.
8152 (insn-peep.o): Same.
8153 (insn-preds.o): Same.
8154 (insn-recog.o): Same.
8155 (tm-constsr.h): New target.
8156 (s-constrs-h): New target.
8158 * config/rs6000/constraints.md: New file.
8159 * config/rs6000/rs6000.c: Include tm-constrs.h.
8160 (num_insn_constant_wide): Convert to satisfies_constraint.
8161 (rs6000_rtx_costs): Convert to satisfies_constraint.
8162 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8163 (CONST_OK_FOR_LETTER_P): Delete.
8164 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8165 (EXTRA_CONSTRAINT): Delete.
8166 (EXTRA_MEMORY_CONSTRAINT): Delete.
8167 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8168 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8169 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8170 satisfies_constraint.
8172 * config/i386/i386.c: Include tm-constrs.h.
8174 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8176 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8177 * tree-data-ref.c (find_data_references_in_loop,
8178 compute_data_dependences_for_loop): Use pointers to VEC.
8179 (analyze_all_data_dependences): Adjust calls.
8180 * tree-data-ref.h (find_data_references_in_loop,
8181 compute_data_dependences_for_loop): Adjust declarations.
8182 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8183 compute_data_dependences_for_loop.
8185 2006-03-29 Paul Brook <paul@codesourcery.com>
8187 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8190 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8192 PR tree-optimization/26859
8193 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8195 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8196 for the step after fold_convert.
8198 2006-03-29 Paul Brook <paul@codesourcery.com>
8200 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8201 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8203 2006-03-29 Paul Brook <paul@codesourcery.com>
8206 * targhooks.c (default_narrow_bitfield): New fuction.
8207 * targhooks.h (default_narrow_bitfield): add prototype.
8208 * target.h (gcc_target): Add narrow_volatile_bitfield.
8209 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8210 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8211 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8212 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8214 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8216 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8218 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8219 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8220 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8221 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8222 (s390_function_arg_float): Allow SDmode and DDmode values to be
8223 passed in floating point registers.
8224 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8225 check with SCALAR_FLOAT_MODE_P.
8226 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8228 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8230 PR tree-optimization/25985
8231 * tree-ssa-loop-niter.c (number_of_iterations_le,
8232 number_of_iterations_ne): Make comments more precise.
8233 (number_of_iterations_cond): Add only_exit argument. Use the
8234 fact that signed variables do not overflow only when only_exit
8236 (loop_only_exit_p): New.
8237 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8238 number_of_iterations_cond.
8240 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8242 PR tree-optimization/26643
8243 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8246 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8248 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8249 (divsi3_i4_int): Likewise.
8251 2006-03-28 Roger Sayle <roger@eyesopen.com>
8253 * expr.c (emit_group_store): Only create a new pseudo reg if the
8254 quantity it needs to hold isn't already a suitable pseudo.
8256 2006-03-28 Jeff Law <law@redhat.com>
8258 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8259 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8261 2006-03-28 Roger Sayle <roger@eyesopen.com>
8263 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8264 the equivalent ~X & Y, and the symmetry related transformations.
8265 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8266 ~X & Y, and symmetry related transforms.
8268 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8270 Revert my 2006-03-27 patches.
8272 2006-03-28 Roger Sayle <roger@eyesopen.com>
8274 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8275 ~(T1)X, when T1 and T2 are integer types of the same precision
8276 and (T2)X isn't an extension.
8278 2006-03-28 Jeff Law <law@redhat.com>
8280 PR tree-optimization/26796
8281 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8282 need EH edge cleanups rather than purging them immediately.
8283 (eliminate_degenerate_phis): Handle queued EH cleanups.
8285 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8287 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8290 2006-03-27 Roger Sayle <roger@eyesopen.com>
8293 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8294 cast BIT_NOT_EXPR operand to the correct type.
8296 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8298 * tree-loop-linear.c: Don't include varray.h.
8299 (gather_interchange_stats, try_interchange_loops,
8300 linear_transform_loops): Use VEC instead of VARRAY.
8301 * lambda-mat.c: Don't include varray.h.
8302 * tree-chrec.c: Same.
8303 * lambda-trans.c: Same.
8304 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8305 VEC instead of VARRAY.
8306 * tree-vectorizer.h: Idem.
8307 * tree-data-ref.c (dump_data_references,
8308 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8309 initialize_data_dependence_relation, finalize_ddr_dependent,
8310 compute_all_dependences, find_data_references_in_loop,
8311 compute_data_dependences_for_loop, analyze_all_data_dependences,
8312 free_dependence_relation, free_dependence_relations,
8313 free_data_refs): Idem.
8314 * tree-data-ref.h (data_reference_p, subscript_p): New.
8315 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8316 VEC instead of VARRAY.
8317 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8318 (find_data_references_in_loop, compute_data_dependences_for_loop,
8319 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8320 dump_data_dependence_relations, free_dependence_relations,
8321 free_data_refs): Adjust declaration.
8322 (lambda_transform_legal_p): Move declaration here...
8323 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8324 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8325 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8326 vect_analyze_data_refs): Use VEC instead of VARRAY.
8327 * lambda.h (lambda_transform_legal_p): ...from here.
8328 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8329 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8330 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8331 tree-chrec.o): Don't depend on VARRAY_H.
8333 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8335 * rtl.def (Copyright): Update date.
8336 (DEPS_LIST): Change type of the second operand to 'int'.
8337 * target.h (Copyright): Update date.
8338 (struct gcc_target.speculate_insn): Change type of the second parameter
8340 * lists.c (Copyright): Update date.
8341 (alloc_DEPS_LIST): Change signature. Update reference to the second
8342 operand of the DEPS_LIST.
8343 (copy_DEPS_LIST_list): Update reference to the second operand of the
8345 * rtl.h (Copyright): Update date.
8346 (alloc_DEPS_LIST): Update signature.
8347 * sched-int.h (Copyright): Update date.
8348 (ds_t): Change typedef to 'int'.
8349 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8351 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8353 * haifa-sched.c (Copyright): Update date.
8354 (try_ready): Change condition to restore non-speculative pattern
8356 (process_insn_depend_be_in_spec): Code to keep probability of the
8357 speculative dependence non-decreasing.
8359 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8361 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8362 shut up the compiler.
8364 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8366 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8367 to use lib prefix for target.
8368 ($(T)libic_invalidate_array_4-200.a): Likewise.
8369 ($(T)libic_invalidate_array_4a.a): Likewise.
8371 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8372 J"orn Rennecke <joern.rennecke@st.com>
8374 * superh.opt: New file.
8375 * sh.c (boardtype, osruntime): Remove.
8376 * superh.h (SUBTARGET_OPTIONS): Remove.
8377 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8379 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8380 arguments with ^ and/or [].
8382 * config.gcc (sh-*-*): Add quoting to account for quirk of
8384 Replace == with = in enable_incomplete_targets test.
8386 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8387 with MASK_LITTLE_ENDIAN.
8389 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8390 * config/sh/sh.opt: Added to some comments.
8391 * config/sh/superh.h: Removed some chaff.
8393 * config/sh/sh.opt: Add m4-[1234]00* options.
8394 * config/sh/sh.c (sh_handle_option): Likewise.
8395 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8396 (ic_invalidate_array_4-100.o): New rule.
8397 ($(T)libic_invalidate_array_4-100.a): Likewise.
8398 (ic_invalidate_array_4-200.o): Likewise.
8399 ($(T)libic_invalidate_array_4-200.a): Likewise.
8400 (ic_invalidate_array_4a.o): Likewise.
8401 ($(T)libic_invalidate_array_4a.a): Likewise.
8402 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8403 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8405 * config/sh/crt1.asm: Merged in profiling code.
8406 * config/sh/superh.h (STARTFILE_SPEC): Override.
8407 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8408 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8409 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8411 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8412 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8413 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8415 * sh.opt (mpretend-cmove): New option.
8416 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8417 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8418 (movsicc): Add TARGET_PRETEND_CMOVE code.
8420 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8422 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8423 s390_class_max_nregs): New function prototypes.
8424 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8425 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8426 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8427 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8429 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8431 * dwarf2out.c (add_location_or_const_value_attribute): Call
8432 tree_add_const_value_attribute if nothing else works.
8433 (reference_to_unused): New.
8434 (rtl_for_decl_init): Use reference_to_unused to decide whether
8435 to output an initializer.
8437 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8440 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8441 peephole removing spe frob_di_df_2.
8443 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8445 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8446 (subscript_dependence_tester_1): Declared.
8447 (print_dir_vectors, print_dist_vectors): New.
8448 (debug_data_dependence_relation): New.
8449 (dump_data_dependence_relation): Print more details.
8450 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8451 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8452 (save_dist_v, save_dir_v, add_outer_distances,
8453 build_classic_dist_vector_1): New.
8454 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8455 Don't test for lambda_vector_lexico_pos.
8456 (same_access_functions, add_multivariate_self_dist,
8457 add_other_self_distances, dir_from_dist): New.
8458 (build_classic_dir_vector): Replace implementation almost identical to
8459 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8461 (subscript_dependence_tester_1): New.
8462 (subscript_dependence_tester): Handle the lexicographically negative
8463 distance vectors by recomputing the dependence relation.
8464 (compute_affine_dependence): Remove parameter loop_nest_depth.
8465 (compute_self_dependence): Don't call compute_subscript_distance.
8466 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8467 Add a parameter for the loop_nest.
8468 (find_loop_nest_1, find_loop_nest): New.
8469 (compute_data_dependences_for_loop): Compute the loop nest, and give
8470 up if the nest is not well formed.
8471 * tree-data-ref.h (loop_p): New.
8472 (struct data_dependence_relation): Replace size_vect field with
8473 loop_nest, a vec of loops.
8474 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8475 (DDR_LOOP_NEST): New.
8476 (print_dir_vectors, print_dist_vectors,
8477 debug_data_dependence_relation): Declared.
8478 (index_in_loop_nest): New.
8479 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8480 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8483 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8485 * simplify-rtx.c (simplify_relational_operation): Call
8486 simplify_relational_operation_1 even if mode is VOIDmode.
8488 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8490 PR tree-optimization/26804
8491 * tree.h (DECL_CALL_CLOBBERED): New macro.
8492 (tree_decl_common): Add call_clobbered_flag.
8493 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8494 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8495 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8496 (mark_non_addressable): Ditto.
8497 * tree-ssa.c (verify_call_clobbered): New function.
8498 (verify_alias_info): Use it.
8499 * tree-pass.h (pass_reset_cc_flags): New prototype.
8500 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8501 (reset_cc_flags): New function.
8502 * passes.c (init_optimization_passes): Call reset_cc_flags after
8503 initializing referenced_vars.
8505 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8506 Roger Sayle <roger@eyesopen.com>
8509 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8510 to 1.0 for non-real operands. Implement A / A optimization for
8513 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8515 * config/i386/i386.c (size_cost): Correct the comment for
8516 cost of storing fp registers.
8517 (i386_cost): Likewise.
8518 (i486_cost): Likewise.
8519 (pentium_cost): Likewise.
8520 (pentiumpro_cost): Likewise.
8521 (k6_cost): Likewise.
8522 (athlon_cost): Likewise.
8523 (k8_cost): Likewise.
8524 (pentium4_cost): Likewise.
8525 (nocona_cost): Likewise.
8526 (generic64_cost): Likewise.
8527 (generic32_cost): Likewise.
8529 2006-03-24 Denis Chertykov <denisc@overta.ru>
8531 * config/avr/avr-protos.h (extra_constraint): Delete.
8532 (extra_constraint_Q): New declaration.
8533 * config/avr/constraints.md: New file.
8534 * config/avr/avr.md: Include it.
8535 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8536 (TMP_REGNO, ZERO_REGNO): Likewise.
8537 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8538 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8539 (extra_constraint): Delete.
8540 (extra_constraint_Q): Test for memory constraint 'Q'.
8541 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8542 (REG_CLASS_FROM_LETTER): Delete.
8543 (CONST_OK_FOR_LETTER_P): Delete.
8544 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8545 (EXTRA_CONSTRAINT): Delete.
8546 (TMP_REGNO): Delete.
8547 (ZERO_REGNO): Delete.
8549 2006-03-24 Jeff Law <law@redhat.com>
8551 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8552 directly. Call mark_new_vars_to_rename slightly earlier.
8554 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8556 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8558 (gen_compile_unit_die): Use new language types for Objective-C and
8560 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8561 DW_LANG_C_plus_plus.
8564 * config/t-darwin (crt3.o): Work around bug 26840.
8565 * config/darwin-crt3.c: Rewrite.
8566 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8568 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8570 * doc/invoke.texi: Document -femit-class-debug-always
8571 * common.opt: Add -femit-class-debug-always.
8573 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8575 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8576 index and base register.
8577 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8578 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8579 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8580 REGNO_OK_FOR_INDEX_P.
8581 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8583 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8584 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8585 REG_OK_FOR_BASE_P): Definitions removed.
8587 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8590 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8591 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8592 set yet or weren't marked as local yet.
8594 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8596 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8599 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8601 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8602 (rs6000_legitimate_small_data_p): Delete.
8603 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8604 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8605 and make static. Add forward declaration. Update uses.
8606 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8607 of offsettable_memref_p.
8608 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8609 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8611 2006-03-24 Jeff Law <law@redhat.com>
8613 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8614 around bug in immediate-use iterator.
8616 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8619 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8620 or __LITTLE_ENDIAN__.
8622 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8624 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8625 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8626 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8627 * config/sh/sh.opt (mdiv=): Amend description.
8628 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8629 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8630 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8631 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8632 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8633 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8634 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8635 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8636 TARGET_DIVIDE_CALL_FP.
8638 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8640 * haifa-sched.c (choose_ready): Fix type of the local variable.
8641 Move local variables. Add comment.
8642 (check_reg_live): Change signature. Make callable from debugger.
8643 * sched-int.h (check_reg_live): Update signature.
8644 * sched-ebb.c (check_reg_live): Update parameters.
8645 * sched-rgn.c (check_reg_live): Ditto.
8646 (region_head_or_leaf_p): Check pointer before dereferencing.
8647 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8648 before reload on optimization levels below 1.
8650 2006-03-23 Richard Henderson <rth@redhat.com>
8652 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8656 * config/alpha/predicates.md (local_symbolic_operand): Reject
8659 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8662 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8663 expressions which have overflowed constants.
8665 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8667 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8669 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8671 * cfgloopmanip.c (create_loop_notes): Removed.
8672 * final.c (final_scan_insn): Do not handle loop notes.
8673 * jump.c (squeeze_notes): Ditto.
8674 * cfglayout.c (skip_insns_after_block,
8675 duplicate_insn_chain): Ditto.
8676 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8678 * cfgloop.h (create_loop_notes): Declaration removed.
8680 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8682 * varasm.c (output_constant_pool): Restore fnname and fndecl
8684 (assemble_start_function): Adjust call accordingly.
8685 (assemble_end_function): Likewise.
8687 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8690 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8693 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8695 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8698 * system.h (ICE_EXIT_CODE): New macro.
8699 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8700 (diagnostic_action_after_output): Likewise.
8701 * gcc.c (fatal_ice): New function.
8702 (execute): Use it instead of fatal.
8703 (fancy_abort): Likewise.
8704 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8706 2006-03-22 Jeff Law <law@redhat.com>
8708 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8709 iv_analyze_result returning false.
8711 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8713 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8715 2006-03-22 Richard Henderson <rth@redhat.com>
8718 * except.c (duplicate_eh_regions_0): New.
8719 (duplicate_eh_region_1): Duplicate the children of the node as
8720 well as the node itself. Link them up properly.
8721 (duplicate_eh_region_2): Merge into ...
8722 (duplicate_eh_regions): ... here. Take copy_region argument, and
8723 copy only a sub-tree if asked. Simplify copying and fixup.
8724 (eh_region_outer_p): New.
8725 * except.h (duplicate_eh_regions): Update decl.
8726 (eh_region_outer_p): Declare.
8727 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8728 (lower_omp_master): Likewise.
8729 (lower_omp_ordered): Likewise.
8730 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8731 (move_stmt_r): Use it to remap labels. Handle recursion vs
8732 remap_decls_p properly.
8733 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8734 (find_outermost_region_in_block): New.
8735 (new_label_mapper): New.
8736 (move_sese_region_to_fn): Copy eh information to the new function
8738 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8740 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8743 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8745 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8746 into shared libraries.
8748 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8750 * doc/md.texi: Refer to i386/constraints.md instead of
8752 * config/i386/constraints.md: New file, extracted from...
8753 * config/i386/predicates.md: ...here.
8754 * config/i386/i386.md: Include constraints.md.
8756 2006-03-21 Jason Merrill <jason@redhat.com>
8758 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8761 * expr.c (init_block_move_fn): Force default visibility.
8762 (init_block_clear_fn): Likewise.
8763 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8764 * targhooks.c (default_external_stack_protect_fail): Likewise.
8766 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8768 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8769 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8770 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8771 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8772 (loadgp): Use mips_current_loadgp_style.
8773 (loadgp_noshared): New pattern.
8774 (sibcall_internal): Use MIPS_CALL.
8775 (sibcall_value_internal): Likewise.
8776 (sibcall_value_multiple_internal): Likewise.
8777 (call_internal): Likewise.
8778 (call_value_internal): Likewise.
8779 (call_value_multiple_internal): Likewise.
8780 (call_split): Use MIPS_CALL and add an 'S' constraint.
8781 (call_value_split): Likewise.
8782 (call_value_multiple_split): Likewise.
8783 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8784 (-mshared): New option.
8785 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8786 (mips_current_loadgp_style): Declare.
8787 * config/mips/mips.c (mips_classify_symbol): Avoid using
8788 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8789 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8790 TARGET_ABSOLUTE_ABICALLS.
8791 (override_options): Adjust comments. Improve the warning that is
8792 issued when -mabicalls and -G are used together.
8793 (mips_file_start): Remove comment.
8794 (mips_current_loadgp_style): New function.
8795 (mips_gnu_local_gp): New variable.
8796 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8798 (mips_output_function_prologue): Use mips_current_laodgp_style.
8799 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8800 the cprestore instruction.
8801 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8802 live for TARGET_ABSOLUTE_ABICALLS.
8803 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8804 (ASM_SPEC): Pass down -mshared and -mno-shared.
8805 (MIPS_CALL): New macro.
8806 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8808 * doc/invoke.texi (-mabicalls): Update documentation.
8809 (-mshared): Document.
8811 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8813 * config/ia64/unwind-hpux.c: New file.
8814 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8816 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8819 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8821 2006-03-21 Jeff Law <law@redhat.com>
8823 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8824 type conversions of a VR_VARYING source to a wider type.
8826 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8828 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8829 tm_file on Solaris 10 and later.
8830 (sparc64-*-solaris2*): Likewise.
8831 (sparc-*-solaris2*): Likewise.
8832 * config/sol26.h: Rename to config/sol2-6.h.
8833 * config/sol2-10.h: New file.
8835 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8838 * tree-ssa-pre.c (create_component_ref_by_pieces):
8841 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8844 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8845 return it immediately.
8847 2006-03-21 Michael Matz <matz@suse.de>
8849 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8851 (remove_arc, add_arc): Update num_out_arcs member.
8852 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8854 (cache_presence): New function.
8855 (compare_states_for_equiv): New function.
8856 (state_is_differed): Don't take number of outargs, adjust callers.
8857 Use new invariant for speeding up.
8858 (init_equiv_class): Create initial classes based on sorted
8860 (partition_equiv_class): Don't track out_arcs_num.
8861 (evaluate_equiv_classes): Call cache_presence on all states and
8864 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8866 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8867 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8868 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8869 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8871 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8872 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8873 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8874 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8875 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8877 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8878 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8879 (REGNO_REG_CLASS): ARGP is in PREGS.
8880 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8882 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8883 to deal with those addresses.
8884 * addresses.h: New file.
8885 * caller-save.c: Include "addresses.h".
8886 (init_caller_save): Use new base_reg_class function.
8887 * rtl-factoring.c: Include "addresses.h".
8888 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8889 * recog.c: Include "addresses.h".
8890 (preprocess_constraints): Use new base_reg_class function.
8891 * regrename.c: Include "addresses.h".
8892 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8893 functions. Keep track of a new var INDEX_CODE to compute valid
8895 (replace_oldest_value_addr): Likewise.
8896 (replace_oldest_value_mem): Use base_reg_class.
8897 * reload.c: Include "addresses.h".
8898 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8899 (find_reloads): Use new base_reg_class function.
8900 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8901 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8902 all callers and prototype changed.
8903 * reload1.c: Include "addresses.h".
8904 (maybe_fix_stack_asms): Use base_reg_class.
8905 * regclass.c: Include "addresses.h".
8906 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8907 (init_reg_autoinc): Use new base_reg_class function.
8908 (record_reg_classes): Likewise.
8909 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8910 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8911 Use new args to compute necessary class.
8913 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8914 regrename.o, rtl-factoring.o): Update dependencies.
8915 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8916 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8917 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8918 REG_OK_FOR_INDEX_P): Delete documentation.
8920 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8922 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8923 from V7 to V9 for Solaris 7 and above.
8925 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8927 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8928 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8929 argument pointers may not alias any other storage.
8930 * common.opt: Define option -fargument-noalias-anything.
8931 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8932 alias semantics is specified by flag_argument_noalias > 2.
8934 2006-03-20 Jeff Law <law@redhat.com>
8936 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8937 (pass_phi_only_cprop): Declare.
8938 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8940 * tree-ssa-dom.c (degenerate_phi_result): New function.
8941 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8942 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8943 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8944 (eliminate_degenerate_phis): Likewise.
8945 (pass_phi_only_cprop): New pass descriptor.
8946 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8947 support code. Callers updated.
8948 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8949 (store_copy_prop): Likewise.
8950 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8952 2006-03-20 Jason Merrill <jason@redhat.com>
8955 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8956 (push_visibility, pop_visibility): Likewise.
8957 * c-pragma.h: Declare them.
8959 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8961 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8963 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8964 parameter and use get_ebb_head_tail.
8965 (sh_md_init_global): Adjust uses of find_regmode_weight.
8967 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8969 * function.h (struct function) <x_tail_recursion_reentry>:
8970 Rename to x_stack_check_probe_note.
8971 (tail_recursion_reentry): Rename to stack_check_probe_note.
8972 * function.c: Replace tail_recursion_reentry with
8973 stack_check_probe_note everywhere.
8974 (expand_function_start): Only emit a note for
8975 stack_check_probe_note with -fstack-protect.
8976 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8978 * emit-rtl.c (remove_unnecessary_notes): Remove.
8979 (pass_remove_unnecessary_notes): Remove.
8980 * rtl.h (remove_unnecessary_notes): Remove prototype.
8981 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8982 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8983 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8985 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8988 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8989 (valid_in_set): Handle ARRAY_REF.
8990 Change "if min_variant or VH" to asserts.
8991 (create_component_ref_by_pieces): Handle ARRAY_REF.
8992 (create_expression_by_pieces): Likewise.
8993 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8995 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8997 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8998 is operand of switch, not str[0].
9000 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9002 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9003 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9005 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9007 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9008 end of insn_extra_address_constraint declaration.
9010 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9012 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9013 (no-sum-in-toc): Same.
9014 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9016 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9017 NO_FP_IN_TOC for -fPIC instead of mask.
9019 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9020 (BOOT_LDFLAGS): Delete.
9022 * config/rs6000/t-aix52: Same.
9024 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9025 (stmsi[345678]_power): New.
9027 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9029 * config/ia64/ia64.opt: Add empty line to end of file.
9031 2006-03-17 Richard Guenther <rguenther@suse.de>
9034 * builtins.c (get_pointer_alignment): For component style references
9035 adjust alignment to the component type alignment. Make sure
9036 to adjust alignment for component access of constants.
9038 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9040 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9043 2006-03-17 Paul Brook <paul@codesourcery.com>
9045 * doc/install.texi: Docuemnt --with-mode.
9046 * config.gcc: Add --with-mode for arm*-*-*.
9047 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9049 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9051 * sh.c (max_labelno_before_reorg): New variable.
9052 (sh_reorg): Initialize it.
9053 (find_barrier): Check max_labelno_before_reorg before using
9054 label_to_alignment. Take length of explicit alignment insns
9055 into account. When seeing a UNSPECV_CONST_END, return it.
9057 * sh.c (fixup_mova): Set mode of affected label to QImode.
9058 (untangle_mova): New function.
9059 (find_barrier): Use it. Check mode of label before decrementing
9061 (sh_reorg): Likewise.
9062 Set mode of all insns back to VOIDmode.
9064 * sh.c (MOVA_LABELREF): New macro.
9065 (mova_p, fixup_mova, sh_reorg): Use it.
9066 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9067 ADDR_DIFF_VEC matches mova.
9069 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9071 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9072 with ATTRIBUTE_UNUSED.
9074 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9076 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9077 pointer, instead of assuming it is possible to derive the
9078 correct args size from a call insn.
9080 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9082 * rtl.h (CONST_INT_P): Define.
9083 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9084 instead of GET_CODE(x) == CONST_INT.
9085 (vax_rtx_costs): Likewise.
9086 (vax_output_int_move): Likewise.
9087 (vax_output_int_add): Likewise.
9088 (legitimate_constant_address_p): Likewise.
9089 (index_term_p): Likewise.
9090 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9091 * config/vax/vax.md (and<mode>3): Likewise.
9092 (ashrsi3): Likewise.
9094 (movstricthi): Likewise.
9095 (movstrictqi): Likewise.
9096 (rotrsi3): Likewise.
9097 (five unnamed insns): Likewise.
9099 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9101 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9102 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9103 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9104 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9105 Pass to ASM_OUTPUT_DWARF_OFFSET.
9106 * dwarf2out.c (debug_frame_section): New.
9107 (output_call_frame_info): Use debug_frame_section. Pass it to
9108 dw2_asm_output_offset.
9109 (output_die): Pass appropriate section to dw2_asm_output_offset.
9110 (output_compilation_unit_header): Likewise.
9111 (output_pubnames): Likewise.
9112 (output_aranges): Likewise.
9113 (enum dw_val_class): Break dw_val_class_lbl_offset into
9114 dw_val_class_lineptr and dw_val_class_macptr.
9115 (add_AT_lbl_offset): Delete.
9116 (add_AT_lineptr): New.
9117 (add_AT_macptr): New.
9118 (AT_lbl): Expect a lineptr or macptr.
9119 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9120 (attr_checksum): Likewise.
9121 (same_dw_val_p): Likewise.
9122 (size_of_die): Likewise.
9123 (value_format): Likewise.
9124 (output_die): Likewise.
9125 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9127 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9128 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9129 * config/darwin-protos.h (darwin_file_start): New.
9130 (darwin_asm_output_dwarf_offset): New.
9131 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9132 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9134 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9135 if not EH section; simplify.
9136 (darwin_file_start): New.
9137 (darwin_asm_output_dwarf_offset): New.
9138 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9140 (DEBUG_INFO_SECTION): Likewise.
9141 (DEBUG_ABBREV_SECTION): Likewise.
9142 (DEBUG_ARANGES_SECTION): Likewise.
9143 (DEBUG_MACINFO_SECTION): Likewise.
9144 (DEBUG_LINE_SECTION): Likewise.
9145 (DEBUG_LOC_SECTION): Likewise.
9146 (DEBUG_PUBNAMES_SECTION): Likewise.
9147 (DEBUG_STR_SECTION): Likewise.
9148 (DEBUG_RANGES_SECTION): Likewise.
9149 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9150 (ASM_OUTPUT_DWARF_OFFSET): New.
9152 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9154 * config.gcc (tm_defines): Always add to previous value rather
9157 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9159 * config/mips/predicates.md (splittable_const_int_operand): New,
9160 split from move_operand.
9161 (splittable_symbolic_operand): New.
9162 (move_operand): Add commentary. Use splittable_const_int_operand.
9163 Inline mips_atomic_symbolic_constant_p.
9164 * config/mips/mips.md: Add combine splitters for handling moves
9165 of splittable_const_int_operands and splittable_symbolic_operands.
9166 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9167 (mips_split_symbol): Declare.
9168 (mips_move_integer): Declare.
9169 * config/mips/mips.c (mips_split_p): Make global.
9170 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9171 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9172 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9173 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9174 (mips_offset_within_object_p): Handle block symbols.
9175 (mips_atomic_symbolic_constant_p): Delete.
9176 (mips_cannot_force_const_mem): Return false for constants that
9177 mips_legitimize_move can handle.
9178 (mips_use_blocks_for_constant_p): New function.
9179 (mips_split_symbol): Make global.
9180 (mips_move_integer): Likewise. Add a temporary register argument.
9181 (mips_legitimize_const_move): Use splittable_const_int_operand and
9182 splittable_symbolic_operand.
9183 (mips_use_anchors_for_symbol_p): New function.
9184 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9185 (mips_split_p): Declare.
9187 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9189 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9190 (mips*-*-linux*): Likewise.
9192 2006-03-16 Roger Sayle <roger@eyesopen.com>
9193 Daniel Speyer <dspeyer@wam.umd.edu>
9196 * tree-dump.c (dump_real): New function.
9197 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9198 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9199 (tree-dump.o): Add $(REAL_H) to the dependencies.
9201 2006-03-16 Roger Sayle <roger@eyesopen.com>
9204 * real.c (real_from_string): If the mantissa is zero, don't bother
9205 parsing the exponent as the result should always be zero.
9207 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9209 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9211 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9213 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9214 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9215 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9216 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9217 ia64_sched_finish_global): New static functions to implement
9218 hooks from gcc_target.sched.
9219 (spec_check_no, max_uid, pending_data_specs): New static variables.
9220 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9221 ia64_spec_check_src_p): New static functions.
9222 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9223 (TARGET_SCHED_ADJUST_COST): Removed.
9224 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9225 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9226 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9227 TARGET_SCHED_GEN_CHECK,
9228 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9229 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9230 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9231 Fixed to handle speculation checks.
9232 (rtx_needs_barrier): Fixed to handle speculative loads and
9234 (ia64_variable_issue): Added code to count speculative loads and their
9236 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9238 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9240 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9242 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9243 (ia64_reorg): Reset stops_p to NULL after it is freed.
9244 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9245 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9246 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9248 (data_speculative, control_speculative, check_load): New attributes.
9249 (mov<mode>_advanced, mov<mode>_speculative,
9250 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9251 zero_extend<mode>di2_speculative,
9252 zero_extend<mode>di2_speculative_advanced): New patterns for
9253 data and control speculative loads.
9254 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9256 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9257 New pattern for data and control speculation checks.
9258 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9259 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9260 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9261 Auxiliary definitions for the patterns.
9262 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9263 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9265 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9267 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9268 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9269 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9270 New resource constraints.
9271 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9273 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9274 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9275 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9276 msched-in-control-spec, msched-ldc, msched-control-ldc,
9277 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9278 msched-prefer-non-control-spec-insns,
9279 msched-count-spec-in-critical-path): New flags to tune speculative
9281 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9282 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9283 msched-in-control-spec, msched-ldc, msched-control-ldc,
9284 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9285 msched-prefer-non-control-spec-insns,
9286 msched-count-spec-in-critical-path): Document new flags.
9288 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9290 * target.h (struct spec_info_def): New opaque declaration.
9291 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9292 speculate_insn, needs_block_p, gen_check,
9293 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9294 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9295 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9296 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9297 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9298 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9300 (TARGET_SCHED): Use new macros.
9301 * rtl.h (copy_DEPS_LIST_list): New prototype.
9302 * sched-int.h (struct sched_info): Change signature of new_ready field,
9303 adjust all initializations. New fields: add_remove_insn,
9304 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9305 region_head_or_leaf_p.
9306 (struct spec_info_def): New structure declaration.
9307 (spec_info_t): New typedef.
9308 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9309 recovery_block, orig_pat.
9310 (glat_start, glat_end): New variables declaraions.
9311 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9313 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9314 DETACH_LIFE_INFO, USE_GLAT.
9315 (enum SPEC_SCHED_FLAGS): New enumeration.
9316 (NOTE_NOTE_BB_P): New macro.
9317 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9318 attach_life_info, debug_spec_status, check_reg_live): New functions.
9319 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9320 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9322 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9323 * ddg.c (get_block_head_tail): Adjust all uses.
9324 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9325 (sms_sched_info): Initialize new fields.
9326 (contributes_to_priority): Removed.
9327 * haifa-sched.c (params.h): New include.
9328 (get_block_head_tail): Adjust all uses.
9329 (ISSUE_POINTS): New macro.
9330 (glat_start, glat_end): New global variables.
9331 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9332 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9333 old_last_basic_block, before_recovery, current_sched_info_var,
9334 rgn_n_insns, luid): New static variables.
9335 (insn_cost1): New function. Move logic from insn_cost to here.
9336 (find_insn_reg_weight1): New function. Move logic from
9337 find_insn_reg_weight to here.
9338 (reemit_notes, move_insn, max_issue): Change signature.
9339 (move_insn1): Removed.
9340 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9341 extend_bb): New static functions to support extension of scheduler's
9343 (generate_recovery_code, process_insn_depend_be_in_spec,
9344 begin_speculative_block, add_to_speculative_block,
9345 init_before_recovery, create_recovery_block, create_check_block_twin,
9346 fix_recovery_deps): New static functions to support
9347 generation of recovery code.
9348 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9349 restore_bb_notes, move_block_after_check, move_succs): New static
9350 functions to support ebb scheduling.
9351 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9352 functions to support handling of register live information.
9353 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9354 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9355 add_jump_dependencies): New static functions.
9356 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9357 consistancy checking.
9358 (debug_spec_status): New function to call from debugger.
9359 (priority): Added code to handle speculation checks.
9360 (rank_for_schedule): Added code to distinguish speculative instructions.
9361 (schedule_insn): Added code to handle speculation checks.
9362 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9363 Fixed to handle ebbs.
9364 (move_insn): Added code to handle ebb scheduling.
9365 (max_issue): Added code to use ISSUE_POINTS of instructions.
9366 (choose_ready): Added code to choose between speculative and
9367 non-speculative instructions.
9368 (schedule_block): Added code to handle ebb scheduling and scheduling of
9369 speculative instructions.
9370 (sched_init): Initialize new variables.
9371 (sched_finish): Free new variables. Print statistics.
9372 (try_ready): Added code to handle speculative instructions.
9373 * lists.c (copy_DEPS_LIST_list): New function.
9374 * sched-deps.c (extend_dependency_caches): New function. Move logic
9375 from create_dependency_caches to here.
9376 (get_dep_weak, ds_merge): Make global.
9377 * genattr.c (main): Code to output prototype for
9378 dfa_clear_single_insn_cache.
9379 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9380 (output_dfa_clean_insn_cache_func): Code to output
9381 dfa_clear_single_insn_cache function.
9382 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9384 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9386 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9387 New static variables.
9388 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9389 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9391 (ebb_sched_info): Initialize new fields.
9392 (get_block_head_tail): Adjust all uses.
9393 (compute_jump_reg_dependencies): Fixed to use glat_start.
9394 (schedule_ebb): Code to remove unreachable last block.
9395 (schedule_ebbs): Added code to update register live information.
9396 * sched-rgn.c (region_sched_info): Initialize new fields.
9397 (get_block_head_tail): Adjust all uses.
9398 (last_was_jump): Removed. Adjust users.
9399 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9400 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9401 Implement new hooks.
9402 (check_dead_notes1): New static function.
9403 (struct region): New fields: dont_calc_deps, has_real_ebb.
9404 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9405 (BB_TO_BLOCK): Fixed to handle EBBs.
9406 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9407 (ebb_head): New static variable.
9408 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9409 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9411 (compute_dom_prob_ps): New assertion.
9412 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9413 global_live_at_start.
9414 (init_ready_list): New assertions.
9415 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9416 (new_ready): Add support for BEGIN_CONTROL speculation.
9417 (schedule_insns): Fixed code that updates register live information
9419 (schedule_region): Fixed to handle EBBs.
9420 (init_regions): Use extend_regions and check_dead_notes1.
9421 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9422 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9423 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9424 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9425 TARGET_SCHED_GEN_CHECK,
9426 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9427 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9428 * doc/invoke.texi (max-sched-insn-conflict-delay,
9429 sched-spec-prob-cutoff): Document.
9431 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9433 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9434 inter_tick, queue_index.
9435 (struct sched_info): Change signature of init_ready_list field.
9436 Adjust all initializations.
9437 (RESOLVED_DEPS): New access macro.
9438 (ready_add): Remove prototype.
9439 (try_ready): Add prototype.
9440 * sched-rgn.c (init_ready_list): Use try_ready.
9441 (schedule_region): Initialize
9442 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9443 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9444 (init_ready_list): Use try_ready.
9445 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9446 * lists.c (remove_list_elem): Remove `static'.
9447 (remove_free_INSN_LIST_elem): New function.
9448 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9449 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9450 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9452 (readyp): New variable.
9453 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9454 change_queue_index, resolve_dep): New static functions.
9455 (try_ready): New function. Adjust callers in sched-rgn.c and
9456 sched-ebb.c to use it instead of ready_add.
9457 (clock_var): Move at the begining of file.
9458 (rank_for_schedule): Fix typo.
9459 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9460 (ready_lastpos): Enforce assertion.
9461 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9463 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9464 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9465 (queue_to_ready): Use free_INSN_LIST_list.
9466 (early_queue_to_ready): Fix typo.
9467 (schedule_block): Init readyp. Move init_ready_list call after the
9468 initialization of clock_var. Fix error in rejecting insn by
9469 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9470 that previously corrected INSN_TICKs. Add code for handling
9472 (set_priorities): Fix typo.
9473 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9474 Clarify comment and code that keeps current_sched_info->next_tail
9477 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9479 * sched-rgn.c (extend_rgns): New static function.
9480 (find_rgns): Use it.
9481 (gather_region_statistics, print_region_statistics): New static
9483 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9484 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9486 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9487 Andrey Belevantsev <abel@ispras.ru>
9489 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9490 * lists.c (unused_deps_list): New variable.
9491 (free_list): Add assertions to verify the proper distinguishing
9492 between INSN_LISTs and DEPS_LISTs.
9493 (find_list_elem, remove_list_elem, remove_list_node): New static
9495 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9496 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9497 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9498 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9500 (free_INSN_LIST_node): Likewise.
9501 * modulo-sched.c (current_sched_info): Initialize flags field.
9502 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9503 * rtl.def (DEPS_LIST): Define.
9504 * rtl.h: Declare new functions from lists.c.
9505 * sched-deps.c (spec_dependency_cache): New static variable.
9506 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9507 (add_dependence): Change return type to void. Move the logic to ...
9508 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9509 (delete_all_dependences): Add comment about forward_dependency_cache.
9510 Handle spec_dependency_cache. Handle DEPS_LISTs.
9511 (fixup_sched_groups): Clarify the change of priority of output
9512 and anti dependencies.
9513 (sched_analyze_2): Adjust add_dependence calls to create data
9514 speculative dependence.
9515 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9516 Adjust all callers. Handle DEPS_LISTS.
9517 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9518 presence of speculation.
9519 (init_dependency_caches, free_dependency_caches):
9520 Handle spec_dependency_cache.
9521 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9522 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9523 New static functions.
9524 (add_or_update_back_dep, add_or_update_back_forw_dep,
9525 add_back_forw_dep, delete_back_forw_dep): New functions.
9526 * sched-int.h (ds_t, dw_t): New typedefs.
9527 (struct sched_info): Add new field flags.
9528 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9529 Prototype new sched-deps.c functions.
9530 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9531 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9532 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9533 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9534 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9535 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9537 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9539 * sched-rgn.c (current_sched_info): Initialize flags field.
9540 (schedule_insns): Initialize current_sched_info before the sched_init
9542 * sched-ebb.c (current_sched_info): Initialize flags field.
9543 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9544 Call add_or_update_back_dep instead of add_dependence.
9545 Create control speculative dependencies.
9546 (schedule_insns): Initialize current_sched_info before the sched_init
9549 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9551 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9553 (sh_fallback_frame_state): Likewise.
9555 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9557 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9558 Do switch on default_use_cxa_atexit.
9559 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9560 * config/darwin-crt3.o: New.
9561 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9562 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9563 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9565 * config/rs6000/t-darwin: Move crt2.o building to here.
9566 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9567 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9570 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9572 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9573 from '! xxx' to '!xxx' for coding-style conformance.
9574 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9575 (EXTRA_CONSTRAINT): Likewise.
9576 * config/vax/vax.md (four unnamed insns): Likewise.
9578 2006-03-15 Paul Brook <paul@codesourcery.com>
9580 * config/arm/arm.c (minipool_pad): New.
9581 (add_minipool_forward_ref): Include pool alignment padding in address
9583 (push_minipool_fix): Set minipool_pad.
9584 (minipool_pad): Ditto.
9586 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9588 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9589 instead of GET_CODE() == MEM and REG_P() instead of
9591 (print_operand_address): Likewise.
9592 (vax_address_cost): Likewise.
9593 (vax_rtx_costs): Likewise.
9594 (vax_notice_update_cc): Likewise.
9595 (vax_output_int_add): Likewise.
9596 (INDEX_REGISTER_P): Likewise.
9597 (BASE_REGISTER_P): Likewise.
9598 (nonindexed_address_p): Likewise.
9599 (vax_mode_dependent_address_p): Likewise.
9600 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9601 (PRINT_OPERAND): Likewise.
9602 * config/vax/vax.md (ashlsi3): Likewise.
9603 (ashlsi3): Likewise.
9604 (some more unnamed insns): Likewise.
9606 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9608 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9609 iterator-style macro.
9610 (mark_control_dependent_edges_necessary): Update the use of
9611 EXECUTE_IF_CONTROL_DEPENDENT.
9613 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9615 * config/sh/predicates.md (cache_address_operand): Special.
9616 (ua_address_operand): Likewise.
9618 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9620 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9622 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9624 2006-03-15 Andreas Schwab <schwab@suse.de>
9626 * gensupport.c (identify_predicable_attribute): Don't free p_false
9627 when it is still in use.
9629 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9631 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9632 the default setting here.
9634 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9636 * tree-pass.h (pass_cfg): Remove.
9637 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9638 * passes.c (pass_cfg): Don't run it.
9640 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9642 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9643 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9645 (stack_regs_mentioned): Update the uses of
9646 stack_regs_mentioned_data. Don't access the array beyond its
9648 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9649 Don't include gt-reg-stack.h.
9651 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9652 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9654 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9657 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9660 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9662 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9664 2006-03-14 Richard Guenther <rguenther@suse.de>
9666 PR tree-optimization/26672
9667 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9670 2006-03-14 Richard Guenther <rguenther@suse.de>
9672 PR tree-optimization/26667
9673 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9674 node for the callees. Always allow inlining if it will shrink
9677 2006-03-14 Richard Guenther <rguenther@suse.de>
9680 * builtins.c (get_pointer_alignment): Prefer alignment
9681 information from decls over that from types.
9683 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9686 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9688 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9690 * config/rs6000/rs6000.opt (mdlmzb): New option.
9691 (msched-prolog, msched-epilog): Use Var not Mask.
9692 * doc/invoke.texi (-mdlmzb): Document.
9693 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9695 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9696 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9698 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9700 PR rtl-optimization/25739
9701 * bt-load.c (augment_live_range): Free tos pointer.
9703 * gensupport.c (identify_predicable_attribute): Free
9705 * gcov.c (create_file_names): Free name pointer.
9707 2006-03-13 Roger Sayle <roger@eyesopen.com>
9710 * stmt.c (emit_case_nodes): Handle the case where the index is a
9711 CONST_INT, where the comparison mode is specified by the index type.
9713 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9715 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9718 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9720 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9721 (*branch_fp_inverted): Likewise.
9723 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9726 * omp-low.c (expand_omp_for_generic): Mark istart0
9727 and iend0 as addressable.
9729 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9731 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9733 2006-03-13 Jeff Law <law@redhat.com>
9735 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9736 virtual operands are interesting.
9737 (vrp_visit_stmt): Corresponding changes.
9739 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9741 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9743 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9744 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9745 * config/bfin/crti.S: Use it instead of __PIC__.
9746 * config/bfin/crtn.S: Likewise.
9748 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9749 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9751 Lose 'G' modifier for call operand.
9752 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9753 recognize 'G' modifier.
9755 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9758 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9759 * stmt.c (expand_case): Likewise.
9761 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9763 PR rtl-optimization/26254
9764 * loop-invariant.c (seq_insns_valid_p): New function.
9765 (move_invariant_reg): Only emit new code if it is valid.
9767 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9769 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9771 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9772 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9773 (commit_one_edge_insertion): Do not look for loop notes.
9775 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9777 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9778 flag_test_coverage out of loop.
9780 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9782 * final.c (shorten_branches): Remove outdated comment, and turn
9783 the if branch that guards it to continue.
9785 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9787 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9788 * cfgloop.h (struct loop): Remove unused fields.
9790 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9792 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9793 (-dL, -fdump-rtl-loop2): Update the dump file names
9795 * doc/invoke.texi: Update dump file names.
9797 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9799 * predict.c (estimate_probability): Remove.
9800 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9801 * basic-block.h (estimate_probability): Remove prototype.
9802 * passes.c (finish_optimization_passes): Dump branch prediction or
9803 profiling heuristics to the .profile tree dump.
9804 (init_optimization_passes): Unqueue pass_branch_prob.
9806 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9808 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9810 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9811 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9813 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9815 * function.h (frame_offset_overflow): Declare.
9816 * function.c (frame_offset_overflow): New function.
9817 (assign_stack_local_1): Call it to detect that the offset overflows.
9818 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9820 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9822 * config/sh/sh.c: Include alloc-pool.h.
9823 (label_ref_list_pool): New alloc pool.
9824 (label_ref_list_t): New type for lists of labels.
9825 (struct pool_node): Make wend a label_ref_list_t.
9826 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9828 (dump_table): Likewise.
9829 (sh_reorg): Set up the alloc pool before using add_constant and
9830 dump_table, and destroy it when finishing.
9832 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9834 * config/mips/mips.c: Remove redundant comment.
9836 2006-03-10 Jason Merrill <jason@redhat.com>
9839 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9840 the target was declared 'register'.
9842 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9844 * genpreds.c (write_insn_constraint_len): Change definition of
9845 insn_constraint_len to return size_t to match the declaration.
9847 2006-03-10 DJ Delorie <dj@redhat.com>
9849 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9851 (m32c_expand_insv): Fix test for an AND mask.
9853 2006-03-10 Richard Guenther <rguenther@suse.de>
9856 * builtins.c (get_pointer_alignment): Handle component
9857 references for field alignment.
9859 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9861 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9862 when building with libgloss.
9863 (sh*elf): Implement --without-fp option.
9864 (sh64-superh-linux*): Don't multilib.
9866 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9868 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9870 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9872 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9873 Set it when one of the replacement functions returned true.
9874 Return TODO_cleanup_cfg if cfgchanged is true.
9875 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9877 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9879 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9880 instead of gen_lowpart.
9882 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9884 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9886 (mips_output_order_conditional_branch): Declare.
9887 * config/mips/mips.h (MIPS_BRANCH): New macro.
9888 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9889 for the comparison. Use gen_condjump.
9890 (mips_output_conditional_branch): Rework interface to take the
9891 asm templates for a direct branch and the inverse of a direct branch.
9892 (mips_output_order_conditional_branch): New function.
9893 (mips_builtin_branch_and_move): New function.
9894 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9895 branch condition. Use gen_single_cc as the condition for
9896 __builtin_mips_upper_* or __builtin_mips_lower_*.
9897 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9898 Use VOIDmode for the branch condition.
9899 * config/mips/predicates.md (order_operator): New predicate.
9900 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9901 (branch_fp): Rename to...
9902 (*branch_fp): ...this. Remove mode from comparison operator.
9903 Use new mips_output_conditional_branch interface.
9904 (branch_fp_inverted): Rename to...
9905 (*branch_fp_inverted): ...this and update as for *branch_fp.
9906 (*branch_zero<mode>): Rename to...
9907 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9908 Use mips_output_order_conditional_branch. Only accept ordered
9910 (*branch_zero<mode>_inverted): Rename to...
9911 (*branch_order<mode>_inverted): ...this and update as for
9912 *branch_order<mode>.
9913 (*branch_equality<mode>): Accept zero as the second operand to
9914 the equality operator. Use the new mips_output_conditional_branch
9916 (*branch_equality<mode>_inverted): Likewise.
9917 (condjump): New expander.
9918 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9920 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9921 (bc1any2t, bc1any2f): Likewise.
9922 (single_cc): New expander.
9923 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9925 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9927 * doc/md.texi: Update documentation of MIPS constraints.
9928 * config/mips/constraints.md: New file.
9929 * config/mips/mips.md: Include it.
9930 * config/mips/mips.c (mips_char_to_class): Delete.
9931 (override_options): Don't initialize mips_char_to_class.
9932 * config/mips/mips.h (mips_char_to_class): Delete.
9933 (REG_CLASS_FROM_LETTER): Delete.
9934 (CONST_OK_FOR_LETTER_P): Delete.
9935 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9936 (EXTRA_CONSTRAINT_Y): Delete.
9937 (EXTRA_CONSTRAINT_STR): Delete.
9938 (CONSTRAINT_LEN): Delete.
9939 (EXTRA_MEMORY_CONSTRAINT): Delete.
9941 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9943 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9944 original fn's eh regions.
9946 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9948 * fold-const.c (build_range_check): Make sure to use a valid type to
9949 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9952 (range_predecessor): New static function.
9953 (range_successor): Likewise.
9954 (merge_ranges): Use them to compute predecessors and successors of
9957 2006-03-09 Roger Sayle <roger@eyesopen.com>
9960 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9961 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9963 2006-03-08 DJ Delorie <dj@redhat.com>
9965 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9966 (addpsi3): Expand to include memory operands. Remove
9967 reload-specific splits.
9968 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9969 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9970 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9971 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9972 (shift1_qi, shift1_hi, insv): New.
9973 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9974 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9975 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9977 * config/m32c/m32c-protos.h: Update as needed.
9978 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9979 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9980 Fail for unrecognized R* constraints.
9981 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9982 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9983 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9985 (m32c_init_libfuncs): New.
9986 (m32c_legitimate_address_p): Add debug wrapper.
9987 (m32c_rtx_costs): New.
9988 (m32c_address_cost): New.
9989 (conversions): Add 'B' prefix.
9990 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9991 operands, or word regnames for QI operands. 'B' prints bit
9993 (m32c_expand_setmemhi): New.
9994 (m32c_expand_movmemhi): New.
9995 (m32c_expand_movstr): New.
9996 (m32c_expand_cmpstr): New.
9997 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9998 (m32c_expand_neg_mulpsi3): Handle non-ints.
9999 (m32c_cmp_flg_0): New.
10000 (m32c_expand_movcc): New.
10001 (m32c_expand_insv): New.
10002 (m32c_scc_pattern): New.
10003 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10004 a0/a1 out of SIregs.
10005 (STORE_FLAG_VALUE): New.
10006 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10009 * config/m32c/mov.md: Make constraints more liberal.
10010 (zero_extendqihi2): Optimize r0/r1 case.
10011 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10012 * config/m32c/predicates.md (m32c_any_operand): New.
10013 (m32c_nonimmediate_operand): New.
10014 (m32c_hl_operand): New.
10015 (m32c_r3_operand): New.
10018 (memsym_operand): New.
10019 (memimmed_operand): New.
10020 (a_qi_operand): New.
10021 (m32c_eqne_operator): New.
10022 (m32c_1bit8_operand): New.
10023 (m32c_1bit16_operand): New.
10024 (m32c_1mask8_operand): New.
10025 (m32c_1mask16_operand): New.
10026 * config/m32c/blkmov.md: New file.
10027 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10029 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10031 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10032 unsigned to fix signed/unsigned comparison issue in
10033 DWARF2_FRAME_REG_OUT.
10034 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10035 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10037 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10038 of ptr into the ENABLE_CHECKING section.
10040 2006-03-08 Jeff Law <law@redhat.com>
10042 * tree-vrp.c (infer_value_range): Only count pointer uses
10043 and dereferences if -fdelete-null-pointer-checks is enabled.
10045 * tree-vrp.c (find_assert_locations): Infer value ranges for
10046 single use pointers, but do not create ASSERT_EXPRs for them.
10047 When a non-null range is inferred for a pointer, backwards
10048 propagate that range to other equivalent pointers through the
10051 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10054 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10055 language hook targets.
10056 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10057 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10058 if language hook targets were missing.
10060 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10062 * tree-ssa-opfinalize.h: Removed.
10063 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10065 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10066 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10067 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10068 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10069 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10070 finalize_ssa_v_must_def_ops): New.
10072 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10074 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10075 block as parameter.
10077 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10079 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10081 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10082 addresses with offsets; reorganize.
10084 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10085 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10086 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10088 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10091 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10093 2006-03-08 Ben Elliston <bje@au.ibm.com>
10095 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10097 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10100 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10103 2006-03-07 Richard Guenther <rguenther@suse.de>
10105 PR tree-optimization/26587
10106 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10108 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10110 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10112 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10114 * hooks.c (hook_bool_mode_rtx_true): New function.
10115 * hooks.h (hook_bool_mode_rtx_true): Declare.
10116 * toplev.c (compile_file): Call output_shared_constant_pool.
10117 * varasm.c (shared_constant_pool): New variable.
10118 (assemble_start_function, assemble_end_function): Remove arguments
10119 from call to output_constant_pool.
10120 (create_constant_pool): New function, split out from...
10121 (init_varasm_status): ...here.
10122 (force_const_mem): Choose between the shared and per-function constant
10123 pools. Set current_function_uses_const_pool when reusing old entries
10124 as well as when creating new ones.
10125 (mark_constant): Ignore data argument.
10126 (mark_constants): Remove pool argument.
10127 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10128 to decide whether the function uses a constant pool.
10129 (output_constant_pool_contents): New function, split out from...
10130 (output_constant_pool): ...here.
10131 (output_shared_constant_pool): New function.
10132 (init_varasm_once): Initialize shared_constant_pool.
10133 * output.h (output_constant_pool): Delete.
10134 (output_shared_constant_pool): Declare.
10135 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10136 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10138 2006-03-06 Nick Clifton <nickc@redhat.com>
10140 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10141 flag_strength_reduce.
10143 2006-03-06 Ben Elliston <bje@au.ibm.com>
10145 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10146 x86_64-*-linux* configurations.
10148 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10149 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10151 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10153 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10155 * basic-block.h: Remove the extern for
10156 rediscover_loops_after_threading.
10158 * cfgloop.c (cancel_loop): Make it static.
10159 * cfgloop.h: Remove the prototype for cancel_loop.
10161 * flow.c (recompute_reg_usage): Make it static.
10162 * rtl.h: Remove the prototype for recompute_reg_usage.
10164 * function.c (use_return_register): Make it static.
10165 * function.h: Remove the prototype.
10167 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10169 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10171 * recog.h: Remove the prototype for
10172 validate_change_maybe_volatile.
10174 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10176 * rtlanal.c (replace_reg): Remove.
10177 * rtl.h: Remove the prototype for replace_reg.
10179 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10181 * regclass.c (reg_scan_update): Remove.
10182 (reg_scan_mark_refs): Remove the last argument.
10183 * rtl.h: Remove the prototype for reg_scan_update.
10185 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10187 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10188 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10189 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10190 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10191 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10192 loop-invariant.c, omp-low.c, opts.c, passes.c,
10193 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10194 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10195 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10196 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10197 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10198 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10200 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10202 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10203 * dwarf2out.h: Remove the prototype for
10204 dwarf2out_add_library_unit_info.
10206 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10208 * tree.c (add_var_to_bind_expr): Remove.
10209 * tree.h: Remove the prototype for add_var_to_bind_expr.
10211 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10213 * regclass.c (n_non_fixed_regs): Remove.
10214 (init_reg_sets_1, globalize_reg): Remove all uses of
10216 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10218 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10220 * rtlanal.c (insns_safe_to_move_p): Remove.
10221 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10223 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10225 * expmed.c (expand_mult_add): Remove.
10226 * expr.h: Remove the prototype for expand_mult_add.
10228 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10230 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10231 and REG_SAVED_VAL_EXP constants.
10232 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10233 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10234 Handle regs stored by value.
10235 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10236 (execute_cfa_program): Handle DW_CFA_val_offset,
10237 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10238 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10239 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10240 (uw_install_context_1): Handle target regs stored by value.
10242 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10244 * tree-sra.c (tree_sra): Return todoflags;
10245 (generate_one_element): Set TODO_update_smt_usage if needed.
10246 (pass_sra): Remove TODO_update_smt_usage.
10247 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10249 (tree_ssa_forward_propagate_single_use_vars): Return
10250 TODO_update_smt_usage if we need to update SMT usage.
10251 (pass_forwprop): Remove TODO_update_smt_usage.
10253 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10255 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10256 (correct_use_link): Remove reference to get_stmt_operands.
10257 (update_stmt_operands): Likewise.
10258 (get_modify_expr_operands): New function factored out of
10259 parse_ssa_operands and get_expr_operands.
10260 Try to create V_MUST_DEFs for LHS by default.
10261 (get_expr_operands) <case MODIFY_EXPR>: Call
10262 get_modify_expr_operands.
10263 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10264 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10265 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10266 get_modify_expr_operands.
10268 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10270 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10271 * tree-flow.h: Remove the prototype for
10272 referenced_var_lookup_if_exists.
10274 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10276 PR rtl-optimization/26345
10278 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10280 2006-03-03 Roger Sayle <roger@eyesopen.com>
10282 PR tree-optimization/26524
10283 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10284 fold_convert to create a constant of the appropriate type.
10286 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10288 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10289 SYMBOL_REF_IN_BLOCK_P.
10290 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10291 of SYMBOL_FLAG_IN_BLOCK.
10292 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10293 instead of SYMBOL_REF_IN_BLOCK_P.
10294 * explow.c (use_anchored_address): Likewise.
10295 * rtl.c (rtx_size): Likewise.
10296 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10297 instead of SYMBOL_FLAG_IN_BLOCK.
10298 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10299 SYMBOL_REF_IN_BLOCK_P.
10300 (assemble_variable): Likewise.
10301 (output_constant_def_contents): Likewise.
10302 (output_constant_pool): Likewise.
10303 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10304 instead of SYMBOL_FLAG_IN_BLOCK.
10305 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10306 SYMBOL_REF_IN_BLOCK_P.
10307 (SYMBOL_REF_BLOCK): Likewise.
10308 (SYMBOL_REF_OFFSET): Likewise.
10309 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10310 SYMBOL_REF_IN_BLOCK_P.
10311 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10312 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10313 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10314 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10316 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10318 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10320 2006-03-02 Roger Sayle <roger@eyesopen.com>
10322 * simplify-rtx.c (simplify_unary_operation): When simplifying
10323 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10324 that we perform the right shift in the appropriate mode, and
10325 then extend or truncate the result to requested mode.
10327 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10329 * gengtype.c (main): Handle double_int type.
10330 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10331 * double-int.c: New file.
10332 * double-int.h: New file.
10333 * system.h: Include doubleint.h.
10334 * Makefile.in (SYSTEM_H): Include double-int.h.
10335 (double-int.o): Add.
10337 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10340 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10343 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10345 * tree-vrp.c (remove_range_assertions): Do not update statements
10348 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10350 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10352 * gcse.c (rest_of_handle_gcse): Ditto.
10353 * except.c (gate_handle_eh): Ditto.
10354 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10355 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10357 2006-03-02 Eric Christopher <echristo@apple.com>
10359 * config/i386/i386.c (machopic_output_stub): Add indirection to
10362 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10366 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10368 Sun Niagara specific optimizations.
10369 * config.gcc: Recognize niagara as target.
10370 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10371 (TARGET_CPU_niagara): Define.
10372 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10373 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10374 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10375 (ASM_CPU_SPEC): Likewise.
10376 (PROCESSOR_NIAGARA): New enum entry.
10377 (REGISTER_MOVE_COST): Handle Niagara.
10378 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10379 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10380 (sparc_override_options): Recognize "niagara", set appropriate
10381 default MASK_* values for it, and align functions to 32-bytes
10382 by default just like ULTRASPARC/ULTRASPARC3.
10383 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10384 (sparc64_initialize_trampoline): Likewise.
10385 (sparc_use_sched_lookahead): Use zero for niagara.
10386 (sparc_issue_rate): Use one for niagara.
10387 * config/sparc/niagara.md: New file.
10388 * config/sparc/sparc.md: Include it.
10389 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10390 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10391 when default cpu is niagara.
10392 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10393 (ASM_CPU_SPEC): Likewise.
10394 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10395 when default cpu is niagara.
10396 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10397 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10398 just like v9/ultrasparc/ultrasparc3.
10399 * doc/invoke.texi: Add documentation for "niagara" and improve
10400 existing documentation for ultrasparc variants.
10402 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10404 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10406 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10408 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10409 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10410 and say that only one is needed.
10411 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10412 * target.h (have_switchable_bss_sections): New hook.
10413 * explow.c (use_anchored_address): Check that the symbol is in a block.
10414 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10415 (bss_noswitch_section): New variables.
10416 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10417 (get_noswitch_section): New function.
10418 (get_block_for_section): Allow SECT to be null.
10419 (unlikely_text_section_p): Use SECTION_STYLE.
10420 (bss_initializer_p): New function.
10421 (get_variable_section): Move earlier in file. Take a new argument,
10422 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10423 Return one of the new *_sections in such cases.
10424 (get_block_for_decl): New function, extracting some logic from
10425 use_blocks_for_decl_p.
10426 (change_symbol_section): Remove in favor of...
10427 (change_symbol_block): ...this new function.
10428 (use_blocks_for_decl_p): Remove checks now performed by
10429 get_block_for_decl.
10430 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10431 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10432 (emit_local, emit_bss, emit_common): ...these new functions.
10433 Return true if the alignment was honored.
10434 (emit_tls_common): New function.
10435 (asm_emit_uninitialised): Delete.
10436 (assemble_variable_noswitch): New function, split out from...
10437 (assemble_variable): ...here. Don't make decisions about common
10438 variables here. Globalize all public decls that go into non-common
10439 sections. Check whether SYMBOL_REF_BLOCK is null.
10440 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10441 (output_constant_pool): Likewise.
10442 (init_varasm_once): Initialize the new section variables.
10443 (have_global_bss_p): New function.
10444 (categorize_decl_for_section): Use bss_initializer_p.
10445 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10446 (place_block_symbol): Assert that the symbol must be in a block.
10447 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10448 (TARGET_INITIALIZER): Include it.
10449 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10450 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10451 (SECTION_MACH_DEP): Bump by two.
10452 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10453 (unnamed_section): Mention SECTION_UNNAMED in comment.
10454 (named_section): Likewise SECTION_NAMED.
10455 (noswitch_section_callback): New type.
10456 (noswitch_section): New structure.
10457 (section): Add a noswitch_section alternative.
10458 (SECTION_STYLE): New macro.
10459 (tls_comm_section, comm_section, lcomm_section): Declare.
10460 (bss_noswitch_section, have_global_bss_p): Declare.
10461 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10462 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10464 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10465 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10468 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10470 * tree-vrp.c (execute_vrp): Return value.
10471 * regrename.c (rest_of_handle_regrename): Ditto.
10472 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10473 * tree-complex.c (tree_lower_complex): Ditto.
10474 (tree_lower_complex_O0): Ditto.
10475 * tracer.c (rest_of_handle_tracer): Ditto.
10476 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10477 * postreload.c (rest_of_handle_postreload): Ditto.
10478 * tree-tailcall.c (execute_tail_recursion): Ditto.
10479 (execute_tail_calls): Ditto.
10480 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10481 * tree.h (init_function_for_compilation): Ditto.
10482 * ipa-cp.c (ipcp_driver): Ditto.
10483 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10484 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10485 * final.c (compute_alignments): Ditto.
10486 (rest_of_handle_final): Ditto.
10487 (rest_of_handle_shorten_branches): Ditto.
10488 (rest_of_clean_state): Ditto.
10489 * omp-low.c (execute_expand_omp): Ditto.
10490 (execute_lower_omp): Ditto.
10491 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10492 * ipa-reference.c (static_execute): Ditto.
10493 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10494 * reorg.c (rest_of_handle_delay_slots): Ditto.
10495 (rest_of_handle_machine_reorg): Ditto.
10496 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10497 * flow.c (recompute_reg_usage): Ditto.
10498 (rest_of_handle_remove_death_notes): Ditto.
10499 (rest_of_handle_life): Ditto.
10500 (rest_of_handle_flow2): Ditto.
10501 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10502 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10503 (do_ssa_store_ccp): Ditto.
10504 (execute_fold_all_builtins): Ditto.
10505 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10506 * modulo-sched.c (rest_of_handle_sms): Ditto.
10507 * ipa-pure-const.c (static_execute): Ditto.
10508 * cse.c (rest_of_handle_cse): Ditto.
10509 (rest_of_handle_cse2): Ditto.
10510 * web.c (rest_of_handle_web): Ditto.
10511 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10512 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10513 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10514 * tree-nrv.c (tree_nrv): Ditto.
10515 (execute_return_slot_opt): Ditto.
10516 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10517 (create_structure_vars): Ditto.
10518 * loop-init.c (rtl_loop_init): Ditto.
10519 (rtl_loop_done): Ditto.
10520 (rtl_move_loop_invariants): Ditto.
10521 (rtl_unswitch): Ditto.
10522 (rtl_unroll_and_peel_loops): Ditto.
10523 (rtl_doloop): Ditto.
10524 * gimple-low.c (lower_function_body): Ditto.
10525 (mark_used_blocks): Ditto.
10526 * tree-ssa-sink.c (execute_sink_code): Ditto.
10527 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10528 (cgraph_early_inlining): Ditto.
10529 * global.c (rest_of_handle_global_alloc): Ditto.
10530 * jump.c (cleanup_barriers): Ditto.
10531 (purge_line_number_notes): Ditto.
10532 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10533 (rest_of_handle_if_after_reload): Ditto.
10534 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10535 (tree_ssa_loop_im): Ditto.
10536 (tree_ssa_loop_unswitch): Ditto.
10537 (tree_vectorize): Ditto.
10538 (tree_linear_transform): Ditto.
10539 (tree_ssa_loop_ivcanon): Ditto.
10540 (tree_ssa_empty_loop): Ditto.
10541 (tree_ssa_loop_bounds): Ditto.
10542 (tree_complete_unroll): Ditto.
10543 (tree_ssa_loop_prefetch): Ditto.
10544 (tree_ssa_loop_ivopts): Ditto.
10545 (tree_ssa_loop_done): Ditto.
10546 * predict.c (tree_estimate_probability): Ditto.
10547 * recog.c (split_all_insns_noflow): Ditto.
10548 (rest_of_handle_peephole2): Ditto.
10549 (rest_of_handle_split_all_insns): Ditto.
10550 * tree-eh.c (lower_eh_constructs): Ditto.
10551 * regmove.c (rest_of_handle_regmove): Ditto.
10552 (rest_of_handle_stack_adjustments): Ditto.
10553 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10554 * function.c (instantiate_virtual_regs): Ditto.
10555 (init_function_for_compilation): Ditto.
10556 (rest_of_handle_check_leaf_regs): Ditto.
10557 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10558 (rest_of_handle_gcse): Ditto.
10559 * ipa-type-escape.c (type_escape_execute): Ditto.
10560 * alias.c (rest_of_handle_cfg): Ditto.
10561 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10562 * profile.c (rest_of_handle_branch_prob): Ditto.
10563 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10564 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10565 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10566 * tree-dfa.c (find_referenced_vars): Ditto.
10567 * except.c (set_nothrow_function_flags): Ditto.
10568 (convert_to_eh_region_ranges): Ditto.
10569 (rest_of_handle_eh): Ditto.
10570 * emit-rtl.c (unshare_all_rtl): Ditto.
10571 (remove_unnecessary_notes): Ditto.
10572 * except.h (set_nothrow_function_flags): Ditto.
10573 (convert_to_eh_region_ranges): Ditto.
10574 * cfgexpand.c (tree_expand_cfg): Ditto.
10575 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10576 * tree-ssa-pre.c (do_pre): Ditto.
10577 (execute_fre): Ditto.
10578 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10579 (rest_of_handle_jump2): Ditto.
10580 * tree-sra.c (tree_sra): Ditto.
10581 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10582 (execute_mudflap_function_decls): Ditto.
10583 * tree-ssa-copy.c (do_copy_prop): Ditto.
10584 (do_store_copy_prop): Ditto.
10585 * ipa-prop.h (ipcp_driver): Ditto.
10586 * cfglayout.c (insn_locators_initialize): Ditto.
10587 * tree-ssa-forwprop.c
10588 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10589 * cfglayout.h (insn_locators_initialize): Ditto.
10590 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10591 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10592 (execute_late_warn_uninitialized): Ditto.
10593 * rtl.h (cleanup_barriers): Ditto.
10594 (split_all_insns_noflow): Ditto.
10595 (purge_line_number_notes): Ditto.
10596 (unshare_all_rtl): Ditto.
10597 (remove_unnecessary_notes): Ditto.
10598 (recompute_reg_usage): Ditto.
10599 (variable_tracking_main): Ditto.
10600 * integrate.c (emit_initial_value_sets): Ditto.
10601 * integrate.h (emit_initial_value_sets): Ditto.
10602 * tree-optimize.c (execute_free_datastructures): Ditto
10603 (execute_free_cfg_annotations): Ditto.
10604 (execute_fixup_cfg): Ditto.
10605 (execute_cleanup_cfg_pre_ipa): Ditto.
10606 (execute_cleanup_cfg_post_optimizing): Ditto.
10607 (execute_init_datastructures): Ditto.
10608 * tree-object-size.c (compute_object_sizes): Ditto.
10609 * combine.c (rest_of_handle_combine): Ditto.
10610 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10611 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10612 (rest_of_handle_reorder_blocks): Ditto.
10613 (rest_of_handle_partition_blocks): Ditto.
10614 * var-tracking.c (variable_tracking_main): Ditto.
10615 * tree-profile.c (tree_profiling): Ditto.
10616 * tree-vect-generic.c (expand_vector_operations): Ditto.
10617 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10618 * sched-rgn.c (rest_of_handle_sched): Ditto.
10619 (rest_of_handle_sched2): Ditto.
10620 * basic-block.h (free_bb_insn): Ditto.
10621 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10622 * tree-cfg.c (execute_build_cfg): Ditto.
10623 (remove_useless_stmts): Ditto.
10624 (split_critical_edges): Ditto.
10625 (execute_warn_function_return): Ditto.
10626 (execute_warn_function_noreturn): Ditto.
10627 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10628 * cfgrtl.c (free_bb_for_insn): Ditto.
10629 * passes.c (execute_one_pass): Run additional
10630 todos returned by execute function.
10631 * tree-pass.h (struct tree_opt_pass): Make execute
10634 2006-03-02 Richard Guenther <rguenther@suse.de>
10636 * tree-ssa-alias.c (find_used_portions): Consider taking
10637 the address as making the variable not write-only.
10639 2006-03-02 Nick Clifton <nickc@redhat.com>
10641 * config.gcc (default_use_cxa_atexit): Extend the description of
10642 this configure variable. Set its default value to "yes" for
10643 Linux, NetBSD and ELF targets on the assumption that they will
10644 use C libraries with the __cxa_atexit function.
10646 2006-03-02 Ben Elliston <bje@au.ibm.com>
10648 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10649 parameter as unused to suppress a build warning.
10651 2006-03-02 Ben Elliston <bje@au.ibm.com>
10653 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10656 2006-03-01 Roger Sayle <roger@eyesopen.com>
10659 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10660 declared name, the weak reference name, and the typeof name.
10661 (__gthrw): Avoid expanding the declared name suffix.
10662 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10664 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10666 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10668 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10669 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10670 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10671 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10672 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10673 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10674 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10675 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10676 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10677 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10678 (DW_END_default, DW_END_big, DW_END_little): New.
10679 (DW_END_lo_user, DW_END_hi_user): Define.
10680 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10681 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10682 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10685 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10687 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10689 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10691 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10693 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10695 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10696 to 'symbol_mem_tag'.
10698 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10701 2006-03-01 Roger Sayle <roger@eyesopen.com>
10703 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10705 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10708 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10709 MACHO_DYNAMIC_NO_PIC_P.
10710 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10712 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10715 * config/darwin-protos.h (darwin_asm_output_anchor):
10717 * config/darwin-sections.def (cstring_section):
10718 Add SECTION_MERGE to the flags.
10719 (literal4_section): Likewise.
10720 (literal8_section): Likewise.
10721 (objc_selector_refs_section): Likewise.
10722 (objc_cls_refs_section): Likewise.
10723 * config/darwin.c (darwin_asm_output_anchor): New
10725 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10727 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10729 Fix PR tree-optimization/26443
10730 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10731 to todo and PROP_tmt_usage to properties_destroyed.
10732 * tree-ssa-ccp.c (pass_ccp): Ditto.
10733 (pass_store_ccp): Ditto.
10734 * tree-ssa-dom.c (pass_dominator): Ditto.
10736 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10738 * tree-ssa-operands.c: Cleanup whitespace.
10739 (get_asm_expr_operands): Move before first invocation.
10740 (get_indirect_ref_operands): Likewise.
10741 (get_tmr_operands): Likewise.
10742 (get_call_expr_operands): Likewise.
10743 (append_def): Likewise.
10744 (append_use): Likewise.
10745 (append_v_may_def): Likewise.
10746 (append_v_must_def): Likewise.
10747 (add_call_clobber_ops): Likewise.
10748 (add_call_read_ops): Likewise.
10749 (add_stmt_operand): Likewise.
10750 (add_virtual_operand): Likewise.
10751 (build_ssa_operands): Likewise.
10753 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10755 PR middle-end/26022
10757 PR middle-end/24437
10758 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10759 with a call expr to ...
10760 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10762 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10764 * tree-vrp.c (extract_range_from_assert): Remove special
10765 handling for types with super-types.
10767 2006-03-01 Ben Elliston <bje@au.ibm.com>
10769 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10770 and powerpc64-*-linux* configurations.
10771 * config/t-dfprules: New file.
10773 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10774 Compile dfp-bit.c from the source directory using -DWIDTH and
10775 $DFP_CFLAGS to control the compilation of that file, rather than
10776 generating width-specific versions in the build directory.
10777 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10778 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10780 2006-02-28 Zack Weinberg <zackw@panix.com>
10782 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10785 2006-02-28 Eric Christopher <echristo@apple.com>
10787 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10788 Set up IN_LIBGCC definition of TARGET_64BIT.
10789 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10791 2006-02-28 Roger Sayle <roger@eyesopen.com>
10793 PR middle-end/14752
10794 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10795 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10796 cases via the construction of "expr != 0".
10798 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10800 * alias.c (alias_invariant, alias_invariant_size): Remove.
10801 (record_base_value): Remove.
10802 (memrefs_conflict_p): Don't look at alias_invariant.
10803 (end_alias_analysis): Don't free it.
10804 * alias.h (record_base_value): Remove prototype.
10806 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10807 Adam Nemet <anemet@caviumnetworks.com>
10809 * rtl.h (truncated_to_mode): Declare it.
10810 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10811 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10812 (RTL_HOOKS_INITIALIZER): Include it.
10813 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10814 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10815 reg_truncated_to_mode.
10816 * rtlanal.c (truncated_to_mode): Define it.
10817 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10819 2006-02-28 Jeff Law <law@redhat.com>
10821 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10822 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10823 the range allowed by TYPE_PRECISION.
10825 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10827 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10829 PR tree-optimization/26419
10830 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10833 2006-02-27 Zack Weinberg <zackw@panix.com>
10835 * doc/md.texi: Fix typo in previous change.
10837 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10841 2006-02-27 Zack Weinberg <zackw@panix.com>
10843 * rtl.def (define_constraint, define_register_constraint)
10844 (define_memory_constraint, define_address_constraint): New MD forms.
10845 * gensupport.c (process_rtx): Put define_constraint etc on the
10847 * genpreds.c (process_define_predicate): Adjust comment. Validate
10848 the name, and call validate_exp to validate the expression.
10849 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10850 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10851 all callers changed.
10852 (validate_exp, needs_variable, struct constraint_data)
10853 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10854 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10855 (const_dbl_constraints, constraint_max_namelen)
10856 (have_register_constraints, have_memory_constraints)
10857 (have_address_constraints, have_address_constraints)
10858 (have_extra_constraints, have_const_int_constraints)
10859 (have_const_dbl_constraints, mangle, add_constraint)
10860 (process_define_constraint, process_define_register_constraint)
10861 (write_enum_constraint_num, write_lookup_constraint)
10862 (write_insn_constraint_len, write_regclass_for_constraint)
10863 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10864 (write_insn_extra_memory_constraint)
10865 (write_insn_extra_address_constraint)
10866 (write_satisfies_constraint_fns): New.
10867 (write_tm_preds_h): If we have new-style constraint definitions,
10868 prototype the functions generated from them, and define the
10869 old constraint interface (still used by generic code) in terms of
10871 (write_insn_preds_c): If we have new-style constraint definitions,
10872 generate all relevant functions from those definitions.
10873 (main): Handle define_constraint etc.
10874 * genoutput.c (struct constraint_data, indep_constraints)
10875 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10876 (mdep_constraint_len): New data structures and functions, defined
10877 #ifdef USE_MD_CONSTRAINTS.
10878 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10879 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10880 use new logic to validate operand constraints against constraint
10882 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10884 * defaults.h: If none of the old-style constraint macros are
10885 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10886 old-style macros; and poison REG_CLASS_FROM_LETTER,
10887 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10889 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10890 * doc/md.texi: Document new constraint-definition mechanism and the
10891 C interface it provides. Remove references to old mechanism
10892 elsewhere in the document.
10893 (Machine Constraints): Use pathnames relative to gcc directory,
10894 i.e. config/ARCH/FILE. Change i386 section to refer to
10895 config/i386/predicates.md; update that section to match docstrings.
10896 * doc/tm.texi: Move all documentation of the old constraint-
10897 definition macros to their own section, clearly mark as obsolete.
10899 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10900 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10902 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10903 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10904 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10905 constraint strings.
10906 (splits and peepholes): Use satisfies_constraint_*.
10907 * config/i386/i386.c (memory_address_length)
10908 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10910 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10912 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10913 scalar operation to be put back into the loop.
10915 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10918 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10919 (extract_cie_info): Handle S flag in augmentation string.
10920 (execute_cfa_program): If context->signal_frame, execute also
10921 fs->pc == context->ra instructions.
10922 (uw_frame_state_for): If context->signal_frame, don't subtract one
10923 from context->ra to find FDE.
10924 (uw_update_context_1): Set context->signal_frame to
10926 (_Unwind_GetIPInfo): New function.
10927 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10928 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10930 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10931 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10932 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10933 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10934 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10935 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10936 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10937 x86_64_fallback_frame_state): Set fs->signal_frame.
10938 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10939 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10940 (frob_update_context): Likewise. Workaround missing S flag in
10941 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10942 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10943 Remove the psw_addr + 1 hack.
10945 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10947 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10948 with aggregates here.
10949 (find_func_aliases): Remove code for &<aggregate> from here.
10951 2006-02-26 Roger Sayle <roger@eyesopen.com>
10953 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10954 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10955 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10956 as (X & C) ne/eq 0.
10958 2006-02-26 Roger Sayle <roger@eyesopen.com>
10960 PR middle-end/19983
10961 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10963 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10965 * opts.c (decode_options): Do not handle flag_strength_reduce.
10966 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10967 and OPT_fstrength_reduce.
10968 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10969 flag_prefetch_loop_arrays for being nonzero.
10970 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10972 (fprefetch-loop-arrays-rtl): Removed.
10973 (flag_prefetch_loop_arrays): Do not specify the value.
10975 * doc/passes.texi: Update documentation of loop optimizer
10977 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10978 -frerun-loop-opt): Remove.
10980 2006-02-26 Richard Guenther <rguenther@suse.de>
10982 PR tree-optimization/26421
10983 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10984 in function calls that are ADDR_EXPRs as using the whole structure.
10986 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10988 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10989 * tree-pass.h (pass_loop_optimize): Remove.
10990 * passes.c (pass_loop_optimize): Never run it.
10991 * toplev.c (backend_init): Don't call init_loop.
10992 * opts.c (flag_loop_optimize_set): Remove.
10993 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10994 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10995 the old RTL loop optimizer when profiling enabled.
10996 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10997 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10998 pre-headers for the sake of the old RTL loop optimizer.
10999 * Makefile.in: Remove all references to loop.o.
11001 * doc/invoke.texi: Remove all references to -floop-optimize
11002 and -frerun-loop-opt.
11004 2006-02-26 Zack Weinberg <zackw@panix.com>
11006 * doc/md.texi (Machine Constraints): Refer to all files with paths
11007 relative to gcc directory (i.e. config/CPU/file). Add missing
11008 @table @code ... @end table to M32C subsection.
11010 2006-02-26 Roger Sayle <roger@eyesopen.com>
11012 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11014 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11016 2006-02-26 Roger Sayle <roger@eyesopen.com>
11017 James A. Morrison <phython@gcc.gnu.org>
11019 PR middle-end/21137
11020 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11021 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11022 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11023 signedness of the shift operation.
11025 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11027 PR tree-optimization/26359
11028 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11030 2006-02-25 Roger Sayle <roger@eyesopen.com>
11032 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11033 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11034 as X == 0, and some symmetry related transformations.
11035 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11037 2006-02-25 Roger Sayle <roger@eyesopen.com>
11039 PR middle-end/23673
11040 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11041 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11042 symmetry related transformations. Fold (X^C1) == C2 as
11045 2006-02-25 Juergen Weigert <jw@suse.de>
11046 Richard Guenther <rguenther@suse.de>
11048 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11050 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11052 * combine.c (gen_lowpart_or_truncate): Call
11053 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11055 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11057 * doc/invoke.texi: Move -fopenmp description to "Options for
11059 Remove reference to -lgomp.
11061 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11063 * doc/install.texi: Require GNU tar version 1.14.
11065 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11067 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11068 * doc/invoke.texi (C++ Dialect Options): Document
11069 -fno-use-cxa-get-exception-ptr.
11070 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11071 * configure: Regenerate.
11072 * c.opt (fuse-cxa-get-exception-ptr): New.
11073 * c-opts.c (c_common_handle_option): Handle
11074 OPT_fuse_cxa_get_exception_ptr.
11075 * c-common.c (flag_use_cxa_atexit): Update documentation.
11076 (flag_use_cxa_get_exception_ptr): New.
11077 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11078 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11080 (C_COMMON_OVERRIDE_OPTIONS): New.
11082 2006-02-24 Roger Sayle <roger@eyesopen.com>
11084 PR middle-end/24952
11085 * combine.c (try_combine): Explicitly check whether GET_CODE is
11086 a SET or a CLOBBER, instead on checking that it isn't a USE.
11088 2006-02-24 Roger Sayle <roger@eyesopen.com>
11090 * fold-const.c (fold_comparison): New subroutine of fold_binary
11091 containing transformations common to both the equality and
11092 ordering relational operators, factored out of fold_binary.
11093 (fold_binary): Separate out the equality operators (EQ_EXPR
11094 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11095 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11096 transformations common to both.
11097 (fold_div_compare): Fix latent bugs in the previously unreachable
11098 LT_EXPR and GE_EXPR cases.
11100 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11102 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11103 decl libname for clog to __clog on AIX.
11105 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11107 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11110 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11111 output traceback table for thunks. Localise rs6000_stack_info call.
11113 2006-02-23 Roger Sayle <roger@eyesopen.com>
11114 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11116 * gthr-posix.h (__gthrw): Fix typo in comment.
11118 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11120 * doc/cpp.texi (Character sets): Document that we do support
11121 input files to be in any character set.
11123 2006-02-23 Jeff Law <law@redhat.com>
11125 * tree.h (PHI_ARG_NONZERO): Remove.
11126 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11127 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11128 node to the new node.
11130 PR tree-optimization/26425
11131 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11132 min/max, then assume its varying.
11134 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11136 PR rtl-optimization/26316
11137 * rtlanal.c (enum may_trap_p_flags): New.
11138 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11139 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11140 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11141 (may_trap_after_code_motion_p): New function.
11142 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11143 (find_invariant_insn): Use may_trap_after_code_motion_p.
11144 * rtl.h (may_trap_after_code_motion_p): Declare.
11146 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11148 * emit-rtl.c (immed_double_const): Cleanup.
11150 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11152 Fix PR tree-optimization/26376
11153 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11156 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11158 PR middle-end/26412
11159 * gimplify.c (omp_add_variable): Guard variable size decl test with
11160 DECL_SIZE (decl) check.
11162 2006-02-23 Richard Guenther <rguenther@suse.de>
11164 PR middle-end/26439
11165 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11166 like aggregate types.
11168 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11170 * configure.ac: Add --with{,out}-long-double-128 configure option.
11171 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11172 * configure: Rebuilt.
11173 * config.in: Rebuilt.
11174 * doc/install.texi (Options specification): Document
11175 --with-long-double-128.
11177 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11178 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11179 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11180 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11182 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11184 * config/s390/s390.c (override_options): Handle
11185 TARGET_DEFAULT_LONG_DOUBLE_128.
11187 * config/alpha/alpha.c (override_options): Handle
11188 TARGET_DEFAULT_LONG_DOUBLE_128.
11190 * config/sparc/sparc.c (sparc_override_options): Handle
11191 TARGET_DEFAULT_LONG_DOUBLE_128.
11193 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11195 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11196 (real-install-headers-tar, real-install-headers-cpio)
11197 (real-install-headers-cp): New targets.
11199 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11201 * tree.h (variable_section): Delete.
11202 * varasm.c (variable_section): Delete.
11204 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11206 * install.texi: Add notes on install.texi2html.
11207 (Building in parallel): Do not use footnotes.
11209 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11212 * doc/install.texi (Configuration): Document --disable-libgomp.
11214 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11216 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11218 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11220 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11221 (vec_extractv2df_0_sse): New.
11223 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11225 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11226 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11227 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11228 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11229 to the result of the expression.
11230 (def_cfa_1): Adjust.
11231 (frame_pointer_cfa_offset): Rename to...
11232 (frame_pointer_fb_offset): ... this. Adjust all uses.
11233 (convert_cfa_to_loc_list): Rename to...
11234 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11235 Pass it on to build_cfa_loc.
11236 (compute_frame_pointer_to_cfa_displacement): Rename to...
11237 (compute_frame_pointer_to_fb_displacement): ... this. New
11238 offset parameter. Use it in computation.
11239 (gen_subprogram_die): Compute cfa_fb_offset with the new
11240 macro, and use it to compute the fb loc list and the
11243 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11245 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11246 replaced with register_operand.
11247 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11248 non-DREG is expensive.
11249 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11250 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11253 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11255 * doc/install.texi2html: Use set -e.
11257 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11259 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11260 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11261 * doc/invoke.texi (-fshared-data): Delete.
11262 * common.opt (fshared-data): Delete.
11263 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11264 (assemble_static_space): Remove #if 0 code.
11265 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11266 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11267 * config/cris/cris.h: Remove FIXME.
11269 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11271 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11274 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11276 PR middle-end/26379
11277 * combine.c (simplify_shift_const_1): Disable nested shifts
11278 optimization for vector shifts.
11280 2006-02-20 Roger Sayle <roger@eyesopen.com>
11282 PR tree-optimization/26361
11283 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11284 of unsigned integer types.
11286 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11288 * tree-chrec.c (eq_evolutions_p): New.
11289 * tree-chrec.h (eq_evolutions_p): Declared.
11290 * tree-data-ref.c: Fix formatting.
11291 (datadep_stats, dependence_stats): New.
11293 (print_direction_vector): New.
11294 (dump_data_dependence_relation): Use print_direction_vector.
11295 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11296 (compute_subscript_distance): Static.
11297 (initialize_data_dependence_relation): Static. Get the number
11298 of loops surrounding the references from the callers, and initialize
11299 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11300 base_object_differ_p analyzers.
11301 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11302 compute_overlap_steps_for_affine_1_2,
11303 analyze_subscript_affine_affine): Count the classified dependences.
11304 Print a message when a test failed.
11305 (can_use_analyze_subscript_affine_affine): New.
11306 (analyze_siv_subscript): Compute the data dependences on symbolic
11307 scevs that verify can_use_analyze_subscript_affine_affine.
11308 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11309 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11310 Handle symbolic scevs.
11311 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11313 (subscript_dependence_tester): Moved...
11314 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11315 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11316 DDR_SIZE_VECT instead of getting it in parameter.
11317 (subscript_dependence_tester): ... here. Take as a parameter
11318 loop_nest_depth. Call build_classic_dist_vector and
11319 build_classic_dir_vector.
11320 (compute_affine_dependence): Update subscript_dependence_tester
11321 parameters. Update datadep_stats counters. Call
11322 compute_subscript_distance.
11323 (compute_self_dependence): Save the dist and dir vectors. Call
11324 compute_subscript_distance.
11325 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11326 (compute_all_dependences): Reorder parameters as they were before
11327 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11328 compute_subscript_distance. Update the use of
11329 compute_affine_dependence and initialize_data_dependence_relation.
11330 (find_data_references_in_loop): Handle COMPONENT_REF.
11331 (compute_data_dependences_for_loop): Initialize dependence_stats.
11332 Don't call build_classic_dist_vector and build_classic_dir_vector.
11333 Update the parameters of initialize_data_dependence_relation and
11334 compute_all_dependences. Print the statistics from datadep_stats.
11335 (analyze_all_data_dependences): Static. Not used until the pass for
11336 checking the data dependences is contributed.
11337 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11338 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11339 (initialize_data_dependence_relation, compute_affine_dependence,
11340 analyze_all_data_dependences, compute_subscript_distance): Removed.
11341 (print_direction_vector): New.
11342 * lambda.h (gcd): ... here.
11343 (lambda_vector_gcd): Moved here from gcd_vector.
11344 * lambda-code.c (gcd, gcd_vector): Removed.
11345 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11346 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11348 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11350 * ipa-type-escape.c: Tidy some comments and white space.
11351 * tree-ssa-operands.c: Likewise.
11353 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11356 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11357 (dump_decl_name): Do not walk the decl tree chains.
11358 * tree-pass.h (TDF_CHAIN): Remove.
11360 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11362 * Makefile.in (C): Remove
11364 (.PHONY): Remove C and PROTO
11366 2006-02-20 Roger Sayle <roger@eyesopen.com>
11368 PR middle-end/26236
11369 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11370 deprecated CHAR_TYPE tree code.
11372 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11374 * configure.ac (target_list): Add install-info, dvi, html.
11375 * configure: Regenerate.
11377 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11378 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11379 treelang/Make-lang.in: Do not use double-colon rules.
11381 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11383 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11384 (TMT_USED_ALONE): New macro.
11385 * tree-pass.h (PROP_tmt_usage): New property.
11386 (TODO_update_tmt_usage): New todo.
11387 * tree-ssa-alias.c (updating_used_alone): New variable.
11388 (recalculate_used_alone): New function.
11389 (compute_may_aliases): Set updating_used_alone, call
11390 recalculate_used_alone.
11391 * tree-sra.c (pass_sra): Note that this pass destroys
11392 PROP_tmt_usage, and add TODO_update_tmt_usage.
11393 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11394 * tree-flow.h (updating_used_alone): Prototype.
11395 (recalculate_used_alone): Ditto.
11396 * passes.c (execute_todo): Add code to set updating_used_alone,
11397 and call recalculate.
11398 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11399 for clobber if used alone, and add assert to verify used_alone
11402 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11404 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11405 for non tls symbols added.
11406 (legitimize_address): Do nothing for PLUS expressions if one of the
11407 addends is a tls symbol reference.
11409 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11413 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11415 * Makefile.in (BOOTSTRAPPING): New.
11416 (quickstrap): New definition if BOOTSTRAPPING=yes.
11418 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11419 * configure.ac: Substitute all_selected_languages with the languages
11420 that were configured. For all the other variables except
11421 lang_specs_files, include all the languages in the tree.
11422 * configure: Regenerate.
11424 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11425 if there is one. Run the commands to run fixincludes in the same
11428 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11429 * doc/install.texi: Document exact conventions for searching target tools.
11430 Document --with-build-time-tools. Document toplevel bootstrap. Document
11431 something more about building an Ada cross-compiler. Don't list GNU Make
11432 requirements which affect all platforms.
11434 2006-02-19 Roger Sayle <roger@eyesopen.com>
11436 PR middle-end/19543
11437 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11438 only equivalent if the have both the same mode and precision.
11440 2006-02-20 Ben Elliston <bje@au.ibm.com>
11442 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11444 2006-02-19 Roger Sayle <roger@eyesopen.com>
11445 Steven Bosscher <stevenb.gcc@gmail.com>
11447 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11448 constant pool references to identify stack mode constants.
11449 * rtlanal.c (constant_pool_constant_p): New predicate to check
11450 whether operand is a floating point constant in the pool.
11451 * rtl.h (constant_pool_constant_p): Prototype here.
11452 * loop.c (scan_loop): Avoid hoisting constants from the constant
11453 pool on STACK_REGS targets.
11454 (load_mems): Likewise.
11455 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11456 loads into x87 registers expensive in terms of register pressure.
11458 2006-02-19 Roger Sayle <roger@eyesopen.com>
11460 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11461 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11463 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11465 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11466 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11468 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11470 * doc/invoke.texi: Document -fipa-pta.
11471 * common.opt: Add ipa-pta option.
11472 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11473 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11474 (do_ds_constraint): Ditto.
11475 (get_constraint_for): Only add to referenced_vars if
11476 referenced_vars exists.
11477 (insert_into_field_list): Rewrite to do this unsorted.
11478 (insert_into_field_list_sorted): Rename old insert_into_field_list
11480 (create_function_info_for): Use insert_into_field_list_sorted.
11481 (create_variable_info_for): Rewrite so it uses unsorted version,
11482 since the field list is sorted.
11483 (intra_create_variable_infos): Only add to referenced_vars if
11484 referenced_vars exists.
11485 (ipa_pta_execute): Init heapvars, and delete when done.
11486 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11488 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11490 * doc/install.texi: Add missing `@samp'.
11492 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11494 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11497 2006-02-18 Mark Wielaard <mark@klomp.org>
11499 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11500 who added new 4.1 features, bug fixes and integration support.
11502 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11505 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11506 MEM for ABI_V4 pic.
11508 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11510 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11511 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11512 (copy_insn_1): Likewise. Don't copy each field individually.
11514 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11516 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11517 * rtl.c (rtx_size): Rename variable to...
11518 (rtx_code_size): ...this.
11519 (rtx_size): New function.
11520 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11521 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11523 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11524 * rtl.h (rtx_code_size): New variable.
11525 (rtx_size): Change from a variable to a function.
11526 (RTX_SIZE): Rename to...
11527 (RTX_CODE_SIZE): ...this.
11530 PR tree-optimization/17106
11531 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11532 (Anchored Addresses): New section.
11533 * doc/invoke.texi (-fsection-anchors): Document.
11534 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11535 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11536 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11537 * hooks.c (hook_bool_mode_rtx_false): New function.
11538 * hooks.h (hook_bool_mode_rtx_false): Declare.
11539 * gengtype.c (create_optional_field): New function.
11540 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11541 SYMBOL_REF_IN_BLOCK_P is true.
11542 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11543 (min_anchor_offset, max_anchor_offset): Likewise.
11544 (use_anchors_for_symbol_p): New hook.
11545 * toplev.c (compile_file): Call output_object_blocks.
11546 (target_supports_section_anchors_p): New function.
11547 (process_options): Check that -fsection-anchors is only used on
11548 targets that support it and when -funit-at-a-time is in effect.
11549 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11550 if the decl doesn't have one.
11551 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11552 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11553 of force_const_mem through use_anchored_address.
11554 (expand_expr_constant): New function.
11555 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11556 calling expand_expr for INDIRECT_REF.
11557 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11558 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11559 * expr.h (use_anchored_address): Declare.
11560 * loop-unroll.c: Don't declare rtx vectors here.
11561 * explow.c: Include output.h.
11562 (validize_mem): Call use_anchored_address.
11563 (use_anchored_address): New function.
11564 * common.opt (-fsection-anchors): New switch.
11565 * varasm.c (object_block_htab, anchor_labelno): New variables.
11566 (hash_section, object_block_entry_eq, object_block_entry_hash)
11567 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11568 (use_blocks_for_decl_p, change_symbol_section): New functions.
11569 (get_variable_section): New function, split out from assemble_variable.
11570 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11571 use_blocks_for_decl_p say so. Use change_symbol_section if the
11572 symbol has already been created.
11573 (assemble_variable_contents): New function, split out from...
11574 (assemble_variable): ...here. Don't output any code for
11575 block symbols; just pass them to place_block_symbol.
11576 Use get_variable_section and assemble_variable_contents.
11577 (get_constant_alignment, get_constant_section, get_constant_size): New
11578 functions, split from output_constant_def_contents.
11579 (build_constant_desc): Create a block symbol if use_object_blocks_p
11580 says so. Or into SYMBOL_REF_FLAGS.
11581 (assemble_constant_contents): New function, split from...
11582 (output_constant_def_contents): ...here. Don't output any code
11583 for block symbols; just pass them to place_section_symbol.
11584 Use get_constant_section and get_constant_alignment.
11585 (force_const_mem): Create a block symbol if use_object_blocks_p and
11586 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11587 (output_constant_pool_1): Add an explicit alignment argument.
11588 Don't switch sections here.
11589 (output_constant_pool): Adjust call to output_constant_pool_1.
11590 Switch sections here instead. Don't output anything for block symbols;
11591 just pass them to place_block_symbol.
11592 (init_varasm_once): Initialize object_block_htab.
11593 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11594 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11595 (place_block_symbol, get_section_anchor, output_object_block)
11596 (output_object_block_htab, output_object_blocks): New functions.
11597 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11598 (TARGET_ASM_OUT): Include it.
11599 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11600 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11601 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11602 (TARGET_INITIALIZER): Include them.
11603 * rtl.c (rtl_check_failed_block_symbol): New function.
11604 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11605 (block_symbol, object_block): New structures.
11606 (rtx_def): Add a block_symbol field to the union.
11607 (BLOCK_SYMBOL_CHECK): New macro.
11608 (rtl_check_failed_block_symbol): Declare.
11609 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11610 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11611 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11612 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11613 * output.h (output_section_symbols): Declare.
11614 (object_block): Name structure.
11615 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11616 (default_use_anchors_for_symbol_p): Declare.
11617 * Makefile.in (RTL_BASE_H): Add vec.h.
11618 (explow.o): Depend on output.h.
11619 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11620 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11621 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11622 (rs6000_use_blocks_for_constant_p): New function.
11624 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11626 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11628 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11631 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11634 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11636 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11640 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11642 PR middle-end/26334
11643 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11644 instead of DECL_REGISTER.
11646 2006-02-18 Olivier Hainque <hainque@adacore.com>
11649 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11651 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11654 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11655 * opth-gen.awk: Handle Var and InverseMask together.
11656 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11657 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11658 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11659 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11661 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11662 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11663 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11664 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11665 LINUX_DYNAMIC_LINKER): Define.
11666 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11667 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11669 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11670 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11671 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11672 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11673 (TARGET_C99_FUNCTIONS): Don't define.
11674 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11675 GLIBC_DYNAMIC_LINKER.
11676 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11677 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11678 GLIBC_DYNAMIC_LINKER64): Define.
11679 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11680 LINUX_DYNAMIC_LINKER64.
11681 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11682 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11683 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11684 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11685 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11686 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11687 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11688 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11689 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11690 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11691 and LINUX_DYNAMIC_LINKER32.
11692 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11693 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11694 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11695 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11696 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11698 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11699 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11700 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11701 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11702 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11703 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11704 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11705 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11706 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11707 LINUX_DYNAMIC_LINKER): Define.
11708 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11709 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11710 GLIBC_DYNAMIC_LINKER64): Define.
11711 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11712 LINUX_DYNAMIC_LINKER64.
11713 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11714 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11715 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11716 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11717 LINUX_DYNAMIC_LINKER): Define.
11718 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11719 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11720 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11721 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11722 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11723 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11724 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11725 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11726 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11727 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11728 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11729 * doc/invoke.texi (-muclibc): Remove caveat about supported
11732 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11734 * doc/cpp.texi (__TIMESTAMP__): Document.
11736 2006-02-17 Roger Sayle <roger@eyesopen.com>
11738 PR middle-end/25600
11739 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11740 C is one less than the width of X (and related transformations).
11741 * simplify-rtx.c (simplify_unary_operation_1): Transform
11742 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11743 depending on STORE_FLAG_VALUE, were C is one less then the
11746 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11748 Fix PR tree-optimization/26341
11749 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11750 about NAME_MEMORY_TAG's.
11752 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11755 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11756 with hardware float support, and software float support. Add fcpy
11757 alternative to hardware patterns. Add alternatives to copy between
11758 general and floating-point registers to the 32-bit pattern.
11759 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11760 secondary reload to load a QI or HI mode constant into a floating
11762 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11763 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11765 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11768 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11770 (load_macho_picbase_di): Likewise.
11772 2006-02-16 Jeff Law <law@redhat.com>
11774 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11775 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11776 (ssa_name_nonzero_p): Likewise.
11777 (get_value_range): Return NULL if VRP is not running.
11778 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11779 VRP routines do not discover a range.
11780 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11781 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11782 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11783 (tree_expr_nonnegative_p): Similarly.
11784 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11785 (restore_nonzero_vars_to_original_value): Remove.
11786 (unsafe_associative_fp_binop): Remove.
11787 (tree_ssa_dominator_optimize): Remove initialization and
11788 finalization of nonzero_vars and nonzero_vars_stack.
11789 (dom_opt_initialize_block): No longer push marker on
11790 nonzero_vars_stack.
11791 (dom_opt_finalize_block): No longer call
11792 restore_nonzero_vars_to_original_value.
11793 (record_equivalences_from_phis): No longer look for
11794 nonzero PHI arguments.
11795 (cprop_into_successor_phis): No longer propagate nonzero
11796 property into PHI arguments. Lose unused argument. Caller
11798 (record_equivalences_from_stmt): No longer record nonzero
11799 values for SSA_NAMEs.
11800 (lookup_avail_expr): No longer use nonzero_vars.
11802 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11803 for sizetype when sizetype is unsigned.
11805 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11807 PR rtl-optimization/25603
11808 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11809 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11810 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11811 with new meaning of SETS.
11813 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11818 * config/linux.opt: New file.
11819 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11820 LINUX_DYNAMIC_LINKER): Define.
11821 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11822 * config.gcc (*-*-linux*): Define extra_options.
11823 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11824 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11825 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11826 GLIBC_DYNAMIC_LINKER.
11827 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11828 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11829 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11830 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11831 * doc/invoke.texi (GNU/Linux Options): New section.
11833 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11835 * config/sparc/sparc.md (setjmp): Rewrite.
11836 (setjmp_32): Delete.
11837 (setjmp_64): Likewise.
11839 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11841 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11844 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11846 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11849 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11851 PR rtl-optimization/26296
11852 * Makefile.in (loop-invariant.c): Add except.h dependency.
11853 * loop-invariant.c: Include except.h.
11854 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11856 2005-02-16 Paul Brook <paul@codesourcery.com>
11858 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11861 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11863 PR rtl-optimization/25636
11864 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11865 when deciding whether an insn is an initializing insn.
11867 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11869 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11870 (tree_code_size): Ditto.
11871 * tree.h (struct tree_memory_tag): Remove parent_var.
11872 (struct tree_struct_field_tag): New.
11875 (union tree_node): Add sft member.
11876 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11878 (create_sft): Add size and offset argument, set SFT_OFFSET and
11880 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11881 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11882 * tree-flow-inline.h (get_subvar_at): Update for
11883 SFT_OFFSET/SFT_SIZE.
11884 (var_can_have_subvars): Ditto.
11885 (overlap_subvar): Ditto.
11886 * print-tree.c (print_node): Print out interesting things for
11888 * tree-flow.h (struct subvar): Remove offset and size members.
11889 * tree-ssa-operands.c (get_expr_operands): Update for
11890 get_indirect_ref_operands changes.
11891 (get_indirect_ref_operands): Call add_virtual_operand instead of
11892 add_stmt_operand. Only recurse on base var if requested.
11893 (access_can_touch_variable): New function.
11894 (add_stmt_operand): Split virtual operand handling into ...
11895 (add_virtual_operand): Here. Add offset, size, and for_clobber
11896 arguments. Prune alias sets.
11897 (add_call_clobber_ops): Call add_virtual_operand.
11899 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11901 PR middle-end/26300
11902 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11904 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11905 than TREE_CODE as index into omp_clause_num_ops array.
11907 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11909 PR rtl-optimization/26184
11910 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11912 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11913 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11914 must_precede, must_follow and tobe_scheduled.
11917 * opts.c (common_handle_option): Free new_option pointer.
11918 * df-core.c (df_analyze): Free postorder pointer.
11920 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11922 * Makefile.in: Fix the examples about the use of stamps
11924 2006-02-15 Michael Matz <matz@suse.de>
11926 PR middle-end/22275
11928 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11929 influenced by maximum_field_alignment or DECL_PACKED.
11930 (update_alignment_for_field): Ditto.
11931 (place_field): Ditto.
11932 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11935 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11937 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11938 (debug_flow_info): Pass it.
11939 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11940 * bb-reorder.c (reorder_basic_blocks): Likewise.
11941 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11942 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11943 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11944 * gcse.c (gcse_main, bypass_jumps): Likewise.
11945 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11946 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11947 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11948 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11949 * rtl.h (dump_flow_info): Adjust prototype.
11950 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11951 * var-tracking.c (variable_tracking_main): Likewise.
11952 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11953 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11956 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11958 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11961 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11963 PR tree-optimization/26209
11964 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11965 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11967 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11969 2006-02-14 Roger Sayle <roger@eyesopen.com>
11971 PR middle-end/23670
11972 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11973 (X,Y) and the corresponding symmetry related transformations.
11974 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11975 (X,Y) and its symmetry related transformations.
11977 2006-02-14 Roger Sayle <roger@eyesopen.com>
11979 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11982 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11984 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11986 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11989 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11990 support COMDAT group.
11991 * configure: Regenerate.
11993 2006-02-14 Roger Sayle <roger@eyesopen.com>
11995 PR middle-end/26279
11996 PR middle-end/26280
11997 PR middle-end/26283
11998 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12000 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12002 Fix PR tree-optimization/26260
12004 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12006 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12007 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12008 * tree-ssa-structalias.c (create_variable_info_for): Use
12009 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12011 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12013 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12015 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12016 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12017 of the ending condition.
12018 * tree-ssa-loop-manip.c: Include params.h.
12019 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12020 tree_unroll_loop): New functions.
12021 * tree-pass.h (pass_loop_prefetch): Declare.
12022 * loop.c (rest_of_handle_loop_optimize): Test for
12023 -fprefetch-loop-arrays-rtl.
12024 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12025 * timevar.def (TV_TREE_PREFETCH): New timevar.
12026 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12027 pass_loop_prefetch): New.
12028 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12029 (cleanup_tree_cfg_loop): Call scev_reset.
12030 * common.opt (fprefetch-loop-arrays-rtl): Add.
12031 * tree-ssa-loop-prefetch.c: New file.
12032 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12033 (new_temp_expr_table): Initialize expr_vars.
12034 (free_temp_expr_table): Cleanup expr_vars.
12035 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12036 expressions from being merged into one.
12037 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12038 (struct tree_niter_desc): Add control, bound and cmp fields.
12039 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12041 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12042 (tree-cfgcleanup.o): Add SCEV_H dependency.
12043 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12044 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12046 2006-02-14 Richard Guenther <rguenther@suse.de>
12048 PR tree-optimization/26258
12049 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12050 in PHI argument processing.
12052 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12054 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12055 new expression in the requested machine mode.
12057 2006-02-13 Roger Sayle <roger@eyesopen.com>
12059 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12060 directly, instead let do_compare_rtx_and_jump handle this for us.
12061 * expr.c (expand_expr_real_1): Likewise.
12062 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12063 before do_jump_by_parts_greater.
12064 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12065 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12067 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12069 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12071 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12073 PR rtl-optimization/26235
12074 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12075 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12078 2006-02-13 Jeff Law <law@redhat.com>
12080 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12083 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12085 PR middle-end/26092
12086 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12087 twice if decl is a builtin. When trying again, call get_callee_fndecl
12088 first to verify it is still a builtin.
12090 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12092 * dwarf2out.c (base_type_die): Don't add AT_name here.
12093 (subrange_type_die): Don't add AT_name here.
12094 (modified_type_die): Rearrange code flow. Do add AT_name here.
12096 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12098 PR rtl-optimization/26247
12099 PR rtl-optimization/26248
12100 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12102 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12104 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12105 * config/fixtfdi.c: Likewise.
12106 * config/fixunstfdi.c: Likewise.
12107 * config/floatditf.c: Likewise.
12109 2006-02-13 Roger Sayle <roger@eyesopen.com>
12111 PR middle-end/24427
12112 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12113 into (X,C2) if C1 is a subset of the bits of C2. Transform
12114 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12116 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12118 2006-02-13 Josh Conner <jconner@apple.com>
12121 * varasm.c (function_section): Check for section name before
12122 calling select_section on targets that define
12123 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12124 unlikely_text_section instead of hot_function_section if
12125 first_function_block_is_cold.
12127 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12129 PR middle-end/25335
12130 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12132 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12134 PR rtl-optimization/26222
12135 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12136 after tree->rtl expansion.
12137 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12138 before passing it to emit_move_insn.
12140 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12142 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12144 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12145 Clarify documentation.
12146 * c-common.h (warn_write_strings): Remove.
12147 * c-common.c (warn_write_strings): Likewise.
12148 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12151 2006-02-12 Roger Sayle <roger@eyesopen.com>
12153 PR middle-end/25724
12154 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12155 (do_jump_parts_zero_rtx): New function renamed from
12156 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12157 (do_jump_parts_equality_rtx): New function split out from
12158 do_jump_parts_equality. Old implementation renamed as above.
12159 Call do_jump_parts_zero_rtx if either operand is zero.
12160 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12161 do all of the heavy lifting.
12162 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12163 calling either do_jump_by_parts_greater_rtx or
12164 do_jump_by_parts_equality_rtx.
12165 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12166 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12167 moved to do_compare_rtx_and_jump, call it directly.
12168 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12169 mode argument. Call do_compare_rtx_and_jump.
12170 (emit_case_nodes): Update calls to do_jump_if_equal.
12172 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12174 PR rtl-optimization/26225
12175 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12177 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12179 PR rtl-optimization/26232
12180 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12182 2006-02-11 Jason Merrill <jason@redhat.com>
12185 * tree-inline.c (declare_return_variable): Just don't use the
12186 modify target if it's a gimple complex reg and the return slot
12189 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12191 * doc/contrib.texi: Update my entry.
12193 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12195 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12197 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12199 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12202 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12204 * doc/invoke.texi (-floop-optimize2): Removed.
12205 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12206 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12207 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12208 * common.opt (floop-optimize2): Removed.
12209 (fmove-loop-invariants): Enabled by default.
12211 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12213 * tree-if-conv.c (combine_blocks): Free the result of
12214 get_loop_exit_edges.
12216 2006-02-10 Jeff Law <law@redhat.com>
12218 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12220 PR tree-optimization/26213
12221 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12222 loop trying to follow SSA_NAME_VALUE chains.
12224 2006-02-10 Richard Guenther <rguenther@suse.de>
12226 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12227 deal with structures that end in implicitly variable sized arrays.
12229 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12231 PR rtl-optimization/24762
12232 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12235 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12237 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12238 (struct ivopts_data): Add regs_used field.
12239 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12240 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12241 instead of loop_data->regs_used;
12242 (free_loop_data): Do not free aux fields for loops.
12243 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12244 and tree_ssa_iv_optimize_finalize.
12246 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12248 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12250 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12253 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12254 computing the effective result type.
12256 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12258 PR inline-asm/16194
12259 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12260 (tree_overlaps_hard_reg_set): Declare.
12261 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12262 type and signature to match function type expected by walk_tree.
12263 (tree_overlaps_hard_reg_set): New function.
12264 (decl_conflicts_with_clobbers_p): Rename to:
12265 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12266 Use tree_overlaps_hard_reg_set. Changed caller.
12267 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12268 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12269 * cris.c (cris_md_asm_clobbers): Likewise.
12271 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12273 * reload1.c (emit_input_reload_insns): Delete code that tries to
12274 inherit using find_equiv_reg.
12276 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12278 * c-common.h (flag_const_strings): Don't declare.
12279 * c-common.c (flag_const_strings): Remove.
12280 * c.opt (fconst_strings): Remove.
12281 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12282 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12283 (c_common_init_options): Don't set flag_const_strings.
12284 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12286 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12288 * arm.md (tlobits_cbranch): New pattern.
12289 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12290 testing a single bit.
12292 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12295 * tree-ssa-pre.c (create_component_ref_by_pieces):
12296 Handle RETURN_DECL like VAR_DECL.
12298 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12300 PR middle-end/26134
12301 * fold-const.c (fold_indirect_ref_1): Fold
12302 "*(foo *)&complexfoo" to "__real__ complexfoo"
12303 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12305 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12307 * tree-flow-inline.h (var_can_have_subvars):
12308 Volatile variables should not have subvariables.
12310 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12313 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12314 multiplying unsigned values.
12317 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12319 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12321 2006-02-08 Jason Merrill <jason@redhat.com>
12324 * tree.def: Elaborate on difference from MODIFY_EXPR.
12325 * doc/c-tree.texi (INIT_EXPR): Likewise.
12326 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12327 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12328 (gimplify_target_expr): Likewise.
12329 (gimplify_cond_expr): Remove target handling.
12330 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12331 (gimplify_expr): Clobber it here.
12332 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12333 Do return slot optimization if we have an INIT_EXPR.
12336 * tree-inline.c (declare_return_variable): Also clear
12337 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12340 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12342 PR middle-end/22439
12343 * gimplify.c (gimplify_one_sizepos): Fix typo.
12345 2006-02-08 Jeff Law <law@redhat.com>
12347 PR tree-optimization/21417
12348 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12349 across a backedge if the control statement at the end of the
12350 block is data dependent on other statements in the same block.
12351 (record_temporary_equivalences_from_stmts): Remove over-conservative
12352 test for threading across backedges.
12354 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12355 control statement, handle all three special cases in the same
12356 manner as they all have the same desired solution. No longer
12357 special case edge flag updating when the post dominator is
12360 2006-02-08 Roger Sayle <roger@eyesopen.com>
12362 * tree.def (CHAR_TYPE): Remove.
12363 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12364 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12365 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12366 (gen_string_type_die): Delete unreachable function.
12368 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12369 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12370 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12371 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12372 * builtins.c (type_to_class): Likewise.
12373 * fold-const.c (fold_convert, build_range_check,
12374 merge_ranges): Likewise.
12375 * expr.c (count_type_elements): Likewise.
12376 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12377 * stor-layout.c (layout_type): Likewise.
12378 * ipa-type-escape.c (type_to_consider): Likewise.
12379 * gimplify.c (omp_firstprivatize_type_sizes,
12380 gimplify_type_sizes): Likewise.
12381 * explow.c (promote_mode): Likewise.
12382 * tree-sra.c (is_sra_scalar_type): Likewise.
12383 * varasm.c (output_constant): Likewise.
12384 * tree-inline.c (remap_type_1): Likewise.
12385 * convert.c (convert_to_pointer, convert_to_real,
12386 convert_to_integer, convert_to_complex): Likewise.
12388 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12390 * df-scan.c (df_def_record_1): A set destination may
12391 be a parallel regardless of mode.
12393 2006-02-08 Roger Sayle <roger@eyesopen.com>
12396 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12397 * config/mips/_tilib.c: Remove.
12398 * config/fixtfdi.c: New libgcc source file.
12399 * config/fixunstfdi.c: New source file.
12400 * config/floatditf.c: New source file.
12401 * config/floatunditf.c: New souce file.
12402 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12403 files above instead of config/mips/_tilib.c.
12404 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12406 2006-02-08 Jeff Law <law@redhat.com>
12408 PR tree-optimization/26169
12409 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12412 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12414 * df.h (DF_REG_SIZE): Return the length of the initialized
12417 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12419 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12420 __muldf3): Return a correctly signed zero.
12422 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12424 * passes.c (register_one_dump_file): Accept the current properties
12425 instead of pass number. Adjust call to dump_register. Remove
12427 (register_dump_files): Now a wrapper around...
12428 (register_dump_files_1): ... this one. Do not modify the pass
12430 (next_pass_1): Cosmetic fix.
12431 (execute_todo): Keep second parameter only. Use curr_properties
12432 instead of fetching it from the pass structure. Check and set
12434 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12435 instead of fetching it from the pass structure. Fix calls to
12436 execute_todo. Update curr_properties and initialize .vcg RTL dump
12437 after running the pass. Reset last_verified.
12438 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12440 (FIRST_AUTO_NUMBERED_DUMP): New.
12441 (dump_register): Remove "num" parameter, assign it within the
12443 (get_dump_file_name): Modify template for dumps.
12444 * tree-dump.h (dump_register): Adjust prototype.
12445 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12446 (PROP_trees): Add PROP_gimple_lomp.
12447 (TODO_set_props): New.
12448 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12449 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12450 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12452 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12454 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12455 (sparc64-*-linux*): Likewise.
12456 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12457 * config/sparc/t-linux: New file.
12458 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12459 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12460 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12461 -m32 -mlong-double-128.
12463 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12464 * config/alpha/t-linux: New file.
12465 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12467 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12468 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12469 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12470 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12471 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12472 (CPP_ARCH32_SPEC): Remove.
12474 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12476 PR tree-optimization/26145
12477 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12480 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12483 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12484 >= 240000 when generating code for SOM runtime.
12485 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12486 to $$dyncall when generating code for SOM runtime..
12488 2006-02-07 Dirk Mueller <dmueller@suse.com>
12491 * doc/invoke.texi (-Wsequence-point): Update documentation
12492 that -Wsequence-point is implemented for C++ as well.
12494 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12496 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12497 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12498 (LIB_SPEC): Likewise.
12499 * doc/invoke.texi (SPARC options): Document -pthread.
12501 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12503 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12506 2006-02-07 Roger Sayle <roger@eyesopen.com>
12508 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12509 Correct comment describing BOOLEAN_TYPE.
12511 2006-02-07 Dirk Mueller <dmueller@suse.com>
12513 * c.opt: C++ frontend supports -Wdiv-by-zero.
12514 * c-opts.c (c_common_handle_option): Remove dead case.
12516 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12518 * configure.ac (TLS assembler check): Do not enable TLS by
12519 default on SPARC/Solaris before version 10.
12520 * configure: Regenerate.
12522 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12524 * doc/invoke.texi (xl-compat): Document conversion and support
12527 2006-02-07 Jeff Law <law@redhat.com>
12529 * tree-vrp.c (find_conditional_asserts): Update comments.
12530 (simplify_stmt_for_jump_threading): New.
12531 (identify_jump_threads, finalize_jump_threads): New.
12532 (vrp_finalize): Call identify_jump_threads.
12533 (execute_vrp): Call finalize_jump_threads.
12534 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12535 (vrp_element, vrp_data, vrp_element_p): Remove.
12536 (vrp_hash_elt, vrp_variables_stack): Remove.
12537 (vrp_hash, vrp_eq, record_range): Remove.
12538 (simplify_cond_and_lookup_avail_expr): Remove.
12539 (extract_range_from_cond): Remove.
12540 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12541 (simplify_stmt_for_jump_threading): New.
12542 (dom_thread_across_edge): New wrapper.
12543 (tree_ssa_dominator_optimize): No longer initialize or
12544 finalize any of the VRP datastructures. Remove iteration
12545 step and simplify as a result of removal of iteration step.
12546 (pass_dominator): Perform a cfg cleanup after DOM.
12547 (dom_opt_finalize_block): Use the new common routines
12548 for threading jumps. Simplify stack management slightly.
12549 No longer need to unwind VRP state.
12550 (record_equivalences_from_incoming_edge): No longer record
12552 (eliminate_redundant_computations): No longer call
12553 simplify_cond_and_lookup_avail_expr.
12554 * tree-flow.h (potentially_threadable_block): Prototype.
12555 (thread_across_edge): Likewise.
12556 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12557 (tree-ssa-threadedge.o): Add dependencies.
12558 * tree-ssa-threadedge.c: New file.
12559 * passes.c (init_optimization_passes): Merge PHIs before
12560 calling VRP. Run VRP again late in the SSA optimization pipeline.
12562 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12564 * df-core.c (df_set_blocks): Do not dereference function pointers.
12565 (df_finish1): Likewise.
12566 (df_hybrid_search_forward): Likewise.
12567 (df_hybrid_search_backward): Likewise.
12568 (df_iterative_dataflow): Likewise.
12569 (df_analyze_problem): Likewise.
12570 (df_compact_blocks): Likewise.
12571 (df_dump): Likewise.
12572 * df-scan.c (df_rescan_blocks): Likewise.
12573 (df_record_entry_block_defs): Likewise.
12575 * genconditions.c (write_conditions): Guard the definition of
12576 'insn_conditions' with the check on GCC version.
12577 (write_writer): Guard the traversal 'insn_conditions' with
12578 the check on GCC version.
12580 2006-02-07 Richard Guenther <rguenther@suse.de>
12584 2006-01-30 Richard Guenther <rguenther@suse.de>
12586 * gimplify.c (gimplify_target_expr): Handle easy cases
12587 without creating a temporary.
12589 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12591 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12592 use of float in probability computations. Use edge probabilities
12593 in place of statically computed probabilities.
12594 (min_spec_prob): New static variable.
12595 (schedule_insns): Initialize it.
12596 (GET_SRC_PROB): Removed.
12597 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12599 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12602 * config/ia64/unwind-ia64.c: Revert last change.
12603 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12604 (INCOMING_FRAME_SP_OFFSET): Define.
12606 2006-02-06 Roger Sayle <roger@eyesopen.com>
12608 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12610 2006-02-07 Ben Elliston <bje@au.ibm.com>
12612 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12613 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12614 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12615 (ix86_return_in_memory): Handle TDmode.
12616 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12617 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12619 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12621 * reorg.c (dbr_schedule): Use dump_file instead of file.
12623 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12626 * config/ia64/predicates.md (extr_len_operand): New predicate.
12627 * config/ia64/ia64.md (extv): Tighten constraints.
12629 (*tbit_and_2): Ditto.
12630 (*tbit_and_3): Ditto.
12631 (*tbit_or_2): Ditto.
12632 (*tbit_or_3): Ditto.
12633 (*bit_zero): Ditto.
12636 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12639 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12641 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12643 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12644 loop_optimizer_init and loop_optimizer_finalize
12645 * tree-ssa-sink.c (execute_sink_code): Ditto.
12646 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12647 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12648 tree_ssa_loop_done): Ditto.
12649 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12650 * sched-ebb.c: Include output.h.
12651 (schedule_ebbs): Do not use dump argument.
12652 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12653 * loop.c (loop_dump_stream): Removed.
12654 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12656 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12657 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12658 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12659 loop_iterations, strength_reduce, record_biv, record_giv,
12660 final_giv_value, check_final_value, check_ext_dependent_givs,
12661 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12662 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12663 dump_file instead of loop_dump_stream.
12664 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12665 argument dump_file.
12666 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12668 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12669 * haifa-sched.c: Include output.h
12670 (schedule_insns, sched_init): Do not use dump argument.
12671 * mode-switching.c (optimize_mode_switching): Ditto.
12672 * modulo-sched.c (stats_file): Removed.
12673 (print_node_sched_params): Do not call argument dump_file.
12674 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12675 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12677 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12679 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12680 rtl_loop_init, rtl_loop_done): Ditto.
12681 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12682 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12684 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12685 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12686 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12687 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12688 * emit-rtl.c (renumber_insns): Ditto.
12689 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12690 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12691 * regclass.c (regclass): Ditto.
12692 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12693 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12694 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12695 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12697 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12698 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12700 * gcse.c (gcse_file, debug_stderr): Removed.
12701 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12702 rest_of_handle_gcse): Do not use dump argument.
12703 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12704 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12705 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12706 compute_code_hoist_vbeinout, compute_code_hoist_data,
12707 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12708 compute_store_table, build_store_vectors, insert_insn_start_bb,
12709 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12710 store_motion): Use dump_file instead of gcse_file.
12711 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12712 * profile.c (profile_dump_file): Removed.
12713 (branch_prob): Use dump_file instead of profile_dump_file.
12714 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12716 * tree-ssa-copy.c (dump_copy_of): Ditto.
12717 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12718 dump file to life_analysis.
12719 * bt-load.c (branch_target_load_optimize): Ditto.
12720 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12722 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12723 regclass, dbr_schedule): Declaration changed.
12724 * sched-int.h (sched_init): Declaration changed.
12725 * tree-profile.c (tree_profile_dump_file): Removed.
12726 (tree_profile_hooks): Removed profile_dump_file hook.
12727 * rtl-profile (rtl_profile_dump_file): Removed.
12728 (rtl_profile_hooks): emoved profile_dump_file hook.
12729 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12731 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12732 * tree-cfg.c (build_tree_cfg): Ditto.
12733 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12734 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12735 Declaration changed.
12736 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12737 life_analysis and schedule_insns.
12738 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12740 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12742 * config/mips/mips.c (mips_reorg): Ditto.
12743 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12746 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12748 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12749 (s390_mangle_fundamental_type): New.
12750 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12753 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12754 (alpha_mangle_fundamental_type): New.
12755 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12758 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12760 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12762 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12763 (sparc_mangle_fundamental_type): New.
12765 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12767 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12768 (s390x-*-linux*): Likewise.
12769 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12770 * config/s390/t-linux: New file.
12772 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12774 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12775 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12777 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12779 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12780 (ANTIC_SAFE_LOADS): New macro.
12781 (find_or_generate_expression): Add prototype.
12782 (set_contains_value): Allow null set for sake of not always having
12783 to allocate ANTIC_SAFE_LOADS.
12784 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12785 Allow COMPONENT_REF too.
12786 (valid_in_set): Allow COMPONENT_REF.
12787 Check ANTIC_SAFE_LOADS too.
12788 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12789 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12791 (can_PRE_operation): Add COMPONENT_REF.
12792 (create_component_ref_by_pieces): New function.
12793 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12794 (insert_aux): Move AGGREGATE_TYPE_P check here.
12795 (compute_avail): Set bb local stmt uids.
12796 (pass_pre): Use TODO_update_ssa_only_virtuals.
12798 2006-02-06 Ben Elliston <bje@au.ibm.com>
12800 * configure.ac: Unconditionally disable decimal float by default.
12801 * configure: Regenerate.
12803 2006-02-06 Ben Elliston <bje@au.ibm.com>
12805 * read-rtl.c (read_name): Terminate reading on EOF.
12807 2006-02-06 Ben Elliston <bje@au.ibm.com>
12809 * dfp.c (decimal_real_arithmetic): Change second argument type
12810 from int to enum tree_code. Do not always return true, but now
12811 return result of any call to decimal_do helper functions.
12812 * dfp.h (decimal_real_arithmetic): Update prototype.
12814 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12816 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12818 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12821 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12824 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12826 * tree-vrp.c (cfg_loops): Removed.
12827 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12828 Use current_loops instead of cfg_loops. Pass flags to
12829 loop_optimizer_init.
12830 * cfgloopmanip.c (fix_loop_structure): Update only available
12832 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12833 loop_optimizer_init.
12834 * modulo-sched.c (build_loops_structure): Removed.
12835 (sms_schedule): Use loop_optimizer_init.
12836 * loop-init.c (loop_optimizer_init): Use flags to determine
12837 which properties of loops to prepare.
12838 (rtl_loop_init): Pass flags to loop_optimizer_init.
12839 * tree-ssa-sink.c (execute_sink_code): Ditto.
12840 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12841 * tree-ssa-pre.c (init_pre): Ditto.
12842 * cfgloop.h (LOOPS_NORMAL): New.
12843 (loop_optimizer_init): Declaration changed.
12845 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12847 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12848 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12850 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12852 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12854 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12855 * pa/t-pa64: Delete quadlib.c rule.
12856 * pa/x-ada: Revert last change.
12857 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12859 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12861 PR rtl-optimization/26087
12862 * rtlanal.c (canonicalize_condition): Do not cross basic block
12865 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12868 * config/ia64/ia64.c: Include debug.h.
12869 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12870 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12871 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12872 (process_epilogue, process_set, process_for_unwind_directive):
12873 Output unwind info only if requested. Add CFA info if requested.
12874 Add new arguments as needed. Adjust callers.
12875 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12877 (DWARF2_FRAME_INFO): Define to zero.
12878 * config/ia64/unwind-ia64.c: Remove code that compensated for
12879 the CFA offset error fixed above.
12880 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12881 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12882 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12883 -funwind-tables and -fexceptions to enable frame info.
12884 (dwarf2out_frame_init): Define initial CFA even if
12885 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12886 DWARF2_UNWIND_INFO is nonzero, not just defined.
12887 (dwarf2out_frame_finish): Output non-EH call frame info only
12888 if DWARF2_FRAME_INFO is nonzero.
12889 (convert_cfa_to_loc_list,
12890 compute_frame_pointer_to_cfa_displacement): Define even if
12891 unwind info is not supported.
12892 (gen_subprogram_die): Use the above unconditionally. Remove
12893 legacy alternate code.
12894 * toplev.c (compile_file): Compile in call to
12895 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12896 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12898 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12899 Jakub Jelinek <jakub@redhat.com>
12901 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12902 IBM extended float format long double as "g" on powerpc*-linux.
12904 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12907 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12908 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12910 2006-02-03 Jason Merrill <jason@redhat.com>
12913 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12915 PR middle-end/25977
12916 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12917 on the return slot if it's an NRV.
12919 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12921 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12922 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12923 rewrite_use): Do not handle USE_OUTER.
12924 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12925 add_iv_outer_candidates, may_replace_final_value,
12926 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12927 (find_interesting_uses_op): Functionality of
12928 find_interesting_uses_outer_or_nonlin moved here.
12929 (find_interesting_uses_outside): Use find_interesting_uses_op.
12931 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12934 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12936 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12937 Ulrich Weigand <uweigand@de.ibm.com>
12940 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12941 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12942 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12943 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12945 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12946 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12947 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12948 Define secondary reloads for TFmode moves.
12949 (constant_modes): Add TFmode.
12950 (NR_C_MODES): Set to 8.
12951 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12953 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12954 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12955 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12956 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12957 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12958 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12959 (FPR mode macro): Add TFmode.
12960 (DSF mode macro): New.
12961 (<de>, <dee> mode attributes): Removed.
12962 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12963 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12964 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12965 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12966 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12967 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12968 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12969 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12970 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12971 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12972 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12973 "*negabs<mode>2", "sqrt<mode>2"):
12974 Changed <de> to <xde>. R constraint replaced by <Rf>.
12975 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12977 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12978 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12979 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12981 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12982 "extenddftf2", "extendsftf2"): New expanders.
12983 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12984 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12985 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12986 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12988 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12989 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12990 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12991 __floatditf): Add a GCC_4.1.0 symbol version tag.
12992 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12995 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12998 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12999 Use targetm.binds_local_p instead of TREE_PUBLIC.
13001 2006-02-02 Roger Sayle <roger@eyesopen.com>
13003 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13004 on INTEGER_TYPEs to indicate that it denotes a character type.
13005 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13006 signed_char_type_node, unsigned_char_type_node and char_type_node.
13007 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13008 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13009 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13011 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13012 Daniel Berlin <dberlin@dberlin.org>
13014 * tree-tailcall.c (arg_needs_copy_p): New function.
13015 (eliminate_tail_call): Use arg_needs_copy_p.
13016 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13017 (add_virtual_phis): New function.
13019 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13021 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13022 #ignore instead of #scratch for %g7 .register directive.
13024 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13026 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13029 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13031 * flow.c (calculate_global_regs_live): Assert that there aren't any
13034 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13036 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13037 what its name says.
13038 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13039 bsi_after_labels iterator.
13040 * tree-if-conv.c (find_phi_replacement_condition,
13041 replace_phi_with_cond_modify_expr): Likewise.
13042 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13043 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13045 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13047 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13049 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13052 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13053 array after growing it.
13055 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13057 PR middle-end/24901
13058 * fold-const.c (fold_checksum_tree): Change type of buf.
13060 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13062 * reload.c (push_secondary_reload): Initialize t_icode.
13064 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13066 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13067 -msoft-float -mlong-double-128 only issue a warning, but don't
13068 swich to DFmode long double.
13070 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13072 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13073 has a constant equivalent, iterate over equivalents for arg0,
13074 calling simplify_relational_operation and if there's a result
13075 cheaper than X, apply fold_rtx and return the result.
13077 2006-02-01 Jan Hubicka <jh@suse.cz>
13079 * opts.c (no_unit_at_a_time_default): New global variable.
13080 (decode_options): Use it.
13081 * opts.h (no_unit_at_a_time_default): Declare.
13083 2006-02-01 Paul Brook <paul@codesourcery.com>
13085 * function.c (assign_parm_setup_reg): Use function argument promotion
13087 * expr.c (expand_expr_real_1): Use function argument promotion rules
13090 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13092 * gcc.c (process_command): Change j to 'unsigned int'.
13094 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13096 PR middle-end/26001
13097 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13098 Use the corrected index for the character
13099 out of the string constant.
13101 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13103 * mode-switching.c (optimize_mode_switching): Fix size
13104 allocated for bb_info[n_entities].
13106 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13108 * gcc.c (main): Correct type that is allocated for
13109 explicit_link_files.
13111 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13113 * config/s390/s390.c (init_alignment_context): Set
13114 ALIAS_SET_MEMORY_BARRIER on the MEM.
13115 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13117 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13119 PR middle-end/25933
13120 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13122 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13125 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13127 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13128 * regrename.c: Ditto.
13129 * tree-ssa-loop-im.c: Ditto.
13130 * tree-dump.c: Ditto.
13131 * tree-complex.c: Ditto.
13132 * genrecog.c: Ditto.
13133 * tree-ssa-threadupdate.c: Ditto.
13135 * java/class.c: Ditto.
13136 * java/jcf-parse.c: Ditto.
13137 * java/resource.c: Ditto.
13138 * java/except.c: Ditto.
13139 * java/jvspec.c: Ditto.
13140 * java/jcf-write.c: Ditto.
13141 * java/jcf-path.c: Ditto.
13142 * java/gjavah.c: Ditto.
13143 * java/zextract.c: Ditto.
13144 * java/jcf-io.c: Ditto.
13145 * java/jcf.h: Ditto.
13146 * java/buffer.c: Ditto.
13147 * java/lang.c: Ditto.
13148 * java/parse-scan.y: Ditto.
13149 * java/lex.c: Ditto.
13150 * java/lex.h: Ditto.
13151 * cfgloopmanip.c: Ditto.
13152 * postreload-gcse.c: Ditto.
13153 * tree-ssa-loop-manip.c: Ditto.
13154 * postreload.c: Ditto.
13155 * tree-ssa-loop-ch.c: Ditto.
13158 * cppspec.c: Ditto.
13159 * diagnostic.c: Ditto.
13161 * genoutput.c: Ditto.
13163 * cfghooks.c: Ditto.
13164 * cfgloopanal.c: Ditto.
13165 * objc/objc-act.c: Ditto.
13167 * genextract.c: Ditto.
13168 * genautomata.c: Ditto.
13169 * pretty-print.c: Ditto.
13170 * genemit.c: Ditto.
13171 * cgraphunit.c: Ditto.
13173 * df-scan.c: Ditto.
13174 * haifa-sched.c: Ditto.
13175 * dominance.c: Ditto.
13177 * tree-ssa-loop-ivopts.c: Ditto.
13178 * df-core.c: Ditto.
13179 * mode-switching.c: Ditto.
13180 * modulo-sched.c: Ditto.
13182 * ipa-pure-const.c: Ditto.
13184 * fix-header.c: Ditto.
13186 * tree-stdarg.c: Ditto.
13187 * ipa-utils.c: Ditto.
13188 * loop-init.c: Ditto.
13189 * ipa-inline.c: Ditto.
13190 * cfganal.c: Ditto.
13192 * alloc-pool.c: Ditto.
13193 * dwarf2out.c: Ditto.
13195 * genattrtab.c: Ditto.
13196 * tree-ssa-loop-ivcanon.c: Ditto.
13197 * predict.c: Ditto.
13198 * timevar.c: Ditto.
13200 * fortran/gfortranspec.c: Ditto.
13201 * regmove.c: Ditto.
13202 * local-alloc.c: Ditto.
13203 * langhooks.c: Ditto.
13204 * function.c: Ditto.
13205 * tree-vectorizer.c: Ditto.
13207 * ipa-type-escape.c: Ditto.
13209 * tree-if-conv.c: Ditto.
13210 * profile.c: Ditto.
13212 * tree-data-ref.c: Ditto.
13213 * loop-unroll.c: Ditto.
13214 * treelang/treetree.c: Ditto.
13216 * bt-load.c: Ditto.
13217 * ggc-common.c: Ditto.
13219 * coverage.c: Ditto.
13221 * tree-cfgcleanup.c: Ditto.
13222 * tree-ssa-pre.c: Ditto.
13223 * cfgcleanup.c: Ditto.
13224 * loop-invariant.c: Ditto.
13225 * loop-iv.c: Ditto.
13226 * ipa-prop.c: Ditto.
13227 * print-tree.c: Ditto.
13228 * conflict.c: Ditto.
13229 * ggc-page.c: Ditto.
13230 * sched-deps.c: Ditto.
13231 * regclass.c: Ditto.
13232 * tree-object-size.c: Ditto.
13233 * combine.c: Ditto.
13234 * bb-reorder.c: Ditto.
13235 * resource.c: Ditto.
13236 * var-tracking.c: Ditto.
13237 * cfgloop.c: Ditto.
13238 * df-problems.c: Ditto.
13239 * reg-stack.c: Ditto.
13241 * gccspec.c: Ditto.
13242 * sched-rgn.c: Ditto.
13243 * tree-ssa-structalias.c: Ditto.
13244 * tree-ssa-reassoc.c: Ditto.
13245 * config/darwin-c.c: Ditto.
13246 * config/darwin.c: Ditto.
13247 * config/arm/arm.c: Ditto.
13249 * collect2.c: Ditto.
13250 * reload1.c: Ditto.
13252 2006-01-31 Nicolas Pitre <nico@cam.org>
13254 * arm.md (smaxsi3): Make aware of smax_m1.
13257 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13259 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13261 2006-01-31 Richard Guenther <rguenther@suse.de>
13263 * doc/invoke.texi (-msselibm): Document.
13264 * target.h (expand_library_builtin): New target hook.
13265 * builtins.c (expand_builtin): Use expand_library_builtin.
13266 (default_expand_library_builtin): New function.
13267 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13268 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13269 (link_gcc_math_spec): Declare.
13270 (static_specs): Add link_gcc_math_spec.
13271 * expr.h (default_expand_library_builtin): Declare.
13272 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13273 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13274 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13275 * config/i386/i386.opt (msselibm): New target option.
13276 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13277 (ix86_init_sse_abi_builtins): New function.
13278 (ix86_expand_library_builtin): Likewise.
13279 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13280 (override_options): Handle error conditions wrt -msselibm.
13281 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13282 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13283 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13286 2006-01-31 Richard Guenther <rguenther@suse.de>
13287 Paolo Bonzini <bonzini@gnu.org>
13289 * doc/install.texi (--disable-libgcc-math): Document.
13291 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13293 * expr.h (expand_normal): new inline function.
13294 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13295 * dojump.c: use it.
13296 * dwarf2out.c: use it.
13299 * expmed.c: use it.
13300 * except.c: use it.
13301 * config/sparc/sparc.c: use it.
13302 * config/i386/i386.c: use it.
13303 * config/rs6000/rs6000.c: use it.
13304 * config/arm/arm.c: use it.
13305 * config/mips/mips.c: use it.
13306 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13308 2006-01-30 Roger Sayle <roger@eyesopen.com>
13310 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13311 argv to the appropriate type.
13313 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13315 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13318 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13321 * config/s390/s390.c (struct machine_function): New flag
13322 decomposed_literal_pool_addresses_ok_p.
13323 (s390_reorg): Set it before final stage of literal pool transforms.
13324 (s390_decompose_address): Only accept displacements of the form
13325 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13327 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13329 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13330 the comparison routine return.
13332 2006-01-30 Michael Matz <matz@suse.de>
13334 * global.c (find_reg): Only evict for global regs.
13335 Take n_refs into account and dump more info.
13337 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13340 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13341 (pragma_trap, pragma_nosave_low_regs): Likewise.
13342 (current_function_anonymous_args): Likewise.
13343 (sh_deferred_function_attributes): New variable.
13344 (sh_deferred_function_attributes_tail): Likewise.
13345 (print_operand): For '@', look up trap_exit attribute.
13346 (calc_live_regs): Look up trapa_handler attribute. For trapa
13347 handlers, save/restore fpscr, but don't do any other
13348 interrupt-specific saves.
13349 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13350 Fix check for partially saved registers to check for SHmedia.
13351 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13352 (sh_output_function_epilogue): Don't clear any of the removed
13354 (sh_insert_attributes): Don't check pragma_interrupt.
13355 Insert deferred attributes. Check that interrupt attribute is
13356 present for other attributes that require its presence.
13357 (sh_attribute_table): Add new attributes trapa_handler and
13359 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13360 Don't check for pragma_interrupt. Don't store argument.
13361 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13362 (sh_deferred_function_attributes): Declare.
13363 (sh_deferred_function_attributes_tail): Likewise.
13364 * sh.md (sp_switch_1): Add operand. Change generator caller.
13365 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13366 (*return_i): Don't use when trap_exit attribute is in effect.
13367 (*return_trapa): New insn pattern.
13368 * sh-c.c: New file.
13369 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13370 setting c_target_objs and cxx_target_objs.
13371 * t-sh: Add rule for sh-c.o.
13373 2006-01-30 Richard Guenther <rguenther@suse.de>
13376 * gimplify.c (gimplify_target_expr): Handle easy cases
13377 without creating a temporary.
13379 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13381 * vec.h (safe_grow): Remove duplicated line.
13383 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13386 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13387 (expand_omp): ... here.
13388 (expand_omp_parallel): Only remove barriers for combined
13389 parallel+workshare constructs.
13391 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13395 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13396 * tree.c (build_qualified_type): Chain the new type to the original
13397 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13398 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13399 (build_pointer_type_for_mode): Only return unqualified types.
13400 (build_reference_type_for_mode): Likewise.
13402 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13404 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13405 * Makefile.in (CXX_COMPAT_WARN): Define.
13406 * configure: Regenerate.
13408 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13411 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13414 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13416 * toplev.c: Fix thinko.
13418 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13419 Marcin Dalecki <martin@dalecki.de>
13421 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13422 (push_srcloc): Use XNEW.
13423 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13425 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13427 * df-core.c (df_set_blocks): Deleted all variable.
13429 2006-01-28 Ian Lance Taylor <ian@airs.com>
13431 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13432 cgraph_output_pending_asms.
13434 2006-01-28 Zack Weinberg <zackw@panix.com>
13436 * c.opt: Add -W(no-)overlength-strings.
13437 * doc/invoke.texi: Document it.
13438 * c-opts.c (c_common_handle_option): -pedantic implies
13439 -Woverlength-strings, if not explicitly disabled already.
13440 (c_common_post_options): -Woverlength-strings defaults to off, and
13441 is always off for C++.
13442 * c-common.c (fix_string_type): Issue warning about strings longer
13443 than is portable only if warn_overlength_strings. Rearrange code
13444 a little for clarity.
13445 * configure.in: Check for -Wno-overlength-strings as well before
13446 enabling -pedantic in stage 1.
13447 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13448 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13450 * genconditions.c (write_header, write_one_condition)
13451 (write_conditions, write_writer): Consolidate very long strings
13452 that were broken up to fit in C89 portable limit. Don't use
13453 printf when fputs will do.
13455 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13457 * combine.c (simplify_comparison <AND>): Check
13458 TRULY_NOOP_TRUNCATION before start using a subreg.
13460 * config/mips/mips.md (*branch_zero<mode>,
13461 *branch_zero<mode>_inverted, *branch_equality<mode>,
13462 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13463 Remove mode check from comparisons.
13465 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13467 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13469 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13471 * expmed.c (const_mult_add_overflow_p): Remove.
13472 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13474 * recog.c (validate_replace_rtx_subexp): Remove.
13475 * recog.h: Remove the prototype for
13476 validate_replace_rtx_subexp.
13478 * integrate.h: Remove the prototype for
13479 copy_decl_for_inlining.
13480 * rtl.h: Remove the prototype for mark_constant_function.
13481 * tree-vectorizer.h: Remove the prototype for
13482 vect_strip_conversion.
13484 * modulo-sched.c (create_partial_schedule,
13485 free_partial_schedule, reset_partial_schedule): Make them
13488 * hooks.c (hook_bool_rtx_int_false): Remove.
13489 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13491 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13493 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13494 and -mlong-double-128 are incompatible.
13495 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13496 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13497 (TARGET_LIBGCC2_CFLAGS): Define.
13498 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13499 (TARGET_LIBGCC2_CFLAGS): Same.
13500 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13502 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13505 * c-typeck.c (build_binary_op): Perform implicit casts of
13506 operands before shortening them.
13508 * cfgloopmanip.c (split_loop_bb): Remove.
13509 * cfgloop.h: Remove the prototype for split_loop_bb.
13511 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13512 * cfgloop.h: Remove the prototype for
13513 flow_loop_outside_edge_p.
13515 * emit-rtl.c (init_virtual_regs): Make it static.
13516 * function.h: Remove the prototype for init_virtual_regs.
13518 * recog.c (peephole2_optimize): Make it static.
13519 * recog.h: Remove the prototype for peephole2_optimize.
13521 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13523 * df-scan.c (df_record_entry_block_defs): Check if
13524 INCOMING_RETURN_ADDR_RTX is defined.
13526 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13527 Kenneth Zadeck <zadeck@naturalbridge.com>
13529 PR rtl-optimization/24762
13530 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13531 * targhooks.c (hook_void_bitmap): New hook prototype.
13532 * targhoohs.h (hook_void_bitmap): Ditto.
13533 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13534 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13535 * target.h (live_on_entry): New function pointer.
13536 * df-scan.c (df_all_hard_regs): Removed.
13537 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13538 (df_scan_free_internal): Added df->entry_block_defs.
13539 (df_scan_alloc): Ditto.
13540 (df_scan_dump): Ditto.
13541 (df_uses_record): Plumbed flag field properly thru calls.
13542 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13543 This part fixes PR24762.
13544 (df_bb_refs_record): Added code to make the frame and arg
13545 pointers live in EH blocks.
13546 (df_refs_record): Added call to df_record_entry_block_defs.
13547 (df_record_entry_block_defs): New function.
13548 * df-core.c: Added comments to describe new artifical defs.
13549 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13550 (entry_block_defs): New field in struct df.
13551 (df_all_hard_regs): Deleted.
13552 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13553 * df-problems.c (df_ru_bb_local_compute_process_def):
13554 Added code to handle artifical defs in the entry to a function.
13555 (df_ru_bb_local_compute): Ditto.
13556 (df_rd_bb_local_compute_process_def): Ditto.
13557 (df_rd_bb_local_compute): Ditto.
13558 (df_lr_bb_local_compute): Ditto.
13559 (df_ur_bb_local_compute): Ditto.
13560 (df_urec_bb_local_compute): Ditto.
13561 (df_chain_create_bb): Ditto.
13562 (df_ur_local_finalize): Removed entry.
13563 (df_urec_init): Ditto.
13564 (df_urec_local_finalize): Ditto.
13565 (df_ri_bb_compute): Added detection of last use of pseudos.
13566 * Makefile.in (df-scan.o): Updated dependencies.
13567 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13568 * config/mips/mips.c (mips_set_live_on_entry): Added.
13569 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13571 * dce.c (marked_insn_p): Added code to handle artifical defs.
13573 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13575 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13577 (_mm_cvtsi128_si64): Likewise.
13578 (_mm_cvtsd_si64): Likewise.
13579 (_mm_cvttsd_si64): Likewise.
13580 (_mm_cvtsi64_sd): Likewise.
13581 (_mm_cvtsi64_si128): Likewise.
13582 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13583 (_mm_cvtsi64_m64): Likewise.
13584 (_m_to_int64): Likewise.
13585 (_mm_cvtm64_si64): Likewise.
13586 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13587 (_mm_cvttss_si64): Likewise.
13588 (_mm_cvtsi64_ss): Likewise.
13589 (_mm_cvtss_f32): Likewise.
13591 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13593 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13594 for pragma redefine_extname.
13596 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13599 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13600 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13601 -mno-minimal-toc to previous content.
13602 (bispecs): Remove goal.
13603 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13604 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13605 compatibility aliases on powerpc-*-*gnu*.
13606 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13607 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13608 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13609 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13610 (ldblspecs): New goal.
13611 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13612 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13614 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13615 L_sf_to_tf or L_df_to_tf is defined.
13617 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13618 Alan Modra <amodra@bigpond.net.au>
13621 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13622 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13623 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13624 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13625 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13626 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13627 (rs6000_override_options): Initialize rs6000_ieeequad.
13628 Initialize TFmode format to ibm_extended_format if not
13630 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13632 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13633 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13634 (function_arg_advance): IBM long double passed in two FPRs, not
13636 (function_arg): IBM long double passed in FPRs.
13637 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13638 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13639 Only multireg GPR aligned.
13640 (rs6000_init_libfuncs): Enable IBM long double functions if not
13642 (rs6000_generate_compare): Use IBM long double compare if not
13644 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13645 (TARGET_IEEEQUAD): Define.
13646 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13647 not TARGET_IEEEQUAD.
13648 * config/rs6000/rs6000.md: Enable TFmode patterns if
13650 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13651 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13652 and -mlong-double-128 are incompatible.
13653 * doc/invoke.texi (-mabi): Collect options together. Add
13654 ibmlongdouble and ieeelongdouble.
13656 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13658 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13660 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13661 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13662 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13663 * rtl.h (rtunion_def): Remove rt_ptr.
13665 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13666 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13667 * config/i386/winnt.c (i386_pe_mark_dllexport)
13668 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13670 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13672 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13674 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13678 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13679 pthread_key_delete. From John David Anglin. gthrw-ify
13680 pthread_getunique_np only if it it's not a macro. Delete
13682 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13683 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13684 __gthread_objc_condition_signal, __gthread_key_delete): Add
13685 "__attribute__ ((__unused__))" to unused arguments.
13686 (__gthread_recursive_mutex_init_function): Add missing return.
13687 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13688 gthr-posix95.h: Use macro-based approach for name redirection
13689 on targets missing weakref.
13691 2006-01-26 Zack Weinberg <zackw@panix.com>
13693 * genconditions.c (write_header): In generated code, #ifdef out
13694 all includes and fake declarations, except includes of bconfig.h
13695 and system.h, unless GCC_VERSION >= 3001. Do not include
13696 gensupport.h in any case.
13697 (write_conditions): Generate a definition of struct c_test. Add
13698 a comment to the generated #endif.
13699 (write_one_condition): Escape backslashes in string too.
13700 (write_writer): Generated code must escape backslashes and quote
13701 marks (but not newlines) in the strings it writes.
13702 * Makefile.in (build/gencondmd.o): Update dependencies.
13704 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13707 * Makefile.in (insn-automata.o): Add header file dependencies.
13708 * genautomata.c: Add includes.
13710 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13713 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13715 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13717 * configure.ac: Expect target tools paths to be passed from the toplevel
13718 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13720 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13722 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13725 * c.opt (Wpointer-sign): Init to -1.
13726 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13727 OPT_pedantic, to 0 otherwise.
13728 * doc/invoke.texi: Update.
13730 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13732 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13733 constants provided by 80387 instructions in the destination mode.
13735 2006-01-26 Richard Guenther <rguenther@suse.de>
13736 Andrew Pinski <pinskia@physics.uc.edu>
13739 partial PR tree-opt/17064
13740 * tree-ssa-structalias.c (intra_create_variable_infos):
13741 Create heap variables for incoming parameters if
13742 flag_argument_noalias > 1.
13743 (find_what_p_points_to): Look through default defs of
13746 2006-01-26 Jeff Law <law@redhat.com>
13749 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13750 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13751 within the VR_RANGE, use the VR_RANGE as the result, not the
13753 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13754 bounds for the type.
13756 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13758 * tree-ssa-alias.c (maybe_create_global_var): Change
13759 subvar walking to an assertion that we don't have subvar'd variables.
13761 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13764 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13765 Use a new variable, inner. PARM_DECLs are always non-weak.
13767 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13769 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13770 --disable-checking.
13772 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13774 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13776 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13778 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13779 (smax_insn, smin_insn, smax_0, smin_0): New.
13781 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13784 * config/cris/cris.c (cris_order_for_addsi3): New function.
13785 * config/cris/cris-protos.h: Prototype it.
13786 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13787 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13788 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13789 (split for "op.S1 [rx=rx+i],ry (swapped)")
13790 (split for "op(s|u).S1 [rx=rx+i],ry")
13791 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13792 Apply cris_order_for_addsi3 when generating addsi3 insns.
13794 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13796 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13797 (TREE_BLOCK): Add call to EXPR_CHECK.
13799 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13802 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13803 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13804 (dump_omp_clauses): ... here.
13805 (dump_generic_node): Handle OMP_CLAUSE.
13806 * tree.c (omp_clause_num_ops): New.
13807 (omp_clause_code_name): New.
13808 (tree_code_size): Handle OMP_CLAUSE.
13809 (tree_size): Likewise.
13810 (make_node): Document handling of OMP_CLAUSE.
13811 (tree_node_structure): Handle OMP_CLAUSE.
13812 (omp_clause_check_failed): New.
13813 (omp_clause_range_check_failed): New.
13814 (omp_clause_operand_check_failed): New.
13815 (build_omp_clause): New.
13816 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13817 * tree.h (enum omp_clause_code): Declare.
13818 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13819 (OMP_CLAUSE_RANGE_CHECK): Define.
13820 (OMP_CLAUSE_ELT_CHECK): Define.
13821 (omp_clause_check_failed): Declare.
13822 (omp_clause_operand_check_failed): Declare.
13823 (omp_clause_range_check_failed): Declare.
13824 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13825 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13826 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13827 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13828 (OMP_CLAUSE_IF_EXPR): Likewise.
13829 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13830 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13831 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13832 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13833 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13834 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13835 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13836 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13837 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13838 (OMP_CLAUSE_CODE): Define.
13839 (OMP_CLAUSE_SET_CODE): Define.
13840 (OMP_CLAUSE_CODE): Define.
13841 (OMP_CLAUSE_OPERAND): Define.
13842 (struct tree_omp_clause): Declare.
13843 (union tree_node): Add field 'omp_clause'.
13844 * treestruct.def (TS_OMP_CLAUSE): Define.
13845 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13846 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13847 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13848 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13849 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13850 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13851 (OMP_CLAUSE): Define.
13852 * print-tree.c (print_node): Handle OMP_CLAUSE.
13853 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13854 * c-typeck.c: Likewise.
13855 * gimplify.c: Likewise.
13856 * c-omp.c: Likewise.
13857 * tree-nested.c: Likewise.
13858 * tree-inline.c: Likewise.
13859 * c-parser.c: Likewise.
13860 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13863 2006-01-25 Roger Sayle <roger@eyesopen.com>
13865 PR rtl-optimization/25703
13866 * combine.c (try_combine): Handle zero_extract and strict_low_part
13867 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13869 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13871 * global.c: Fix comment typos.
13873 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13876 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13877 Use output_addr_const instead of assemble_name.
13879 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13881 * Makefile.in (sched-vis.o): Update dependencies.
13882 * haifa-sched.c (sched_finish): Clear current_sched_info.
13883 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13884 (dump_flow_info): Call it.
13885 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13887 * basic-block.h (dump_bb_info): Declare.
13888 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13889 option, and apply options only for dump files whose TDF_RTL,
13890 TDF_TREE, or TDF_IPA bits match.
13891 * rtl.h: Declare new functions exported from sched-vis.c.
13892 * sched-vis.c: Enable also if scheduling is not used.
13893 (print_value): Print the mode of registers if not inside scheduling.
13894 (print_insn): Make it work outside the scheduler. Beautify the output
13896 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13898 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13900 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13901 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13902 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13903 depending on the value of CONSTANT_POOL_ADDRESS_P.
13904 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13906 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13907 rather than SYMBOL_REF_DECL.
13908 (rtx_constant_pool): Remove const_rtx_sym_htab.
13909 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13910 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13911 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13912 Remove handling of const_rtx_sym_htab.
13913 (find_pool_constant): Delete.
13914 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13915 rather than find_pool_constant.
13916 (get_pool_constant_for_function): Delete.
13917 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13918 find_pool_constant.
13919 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13920 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13921 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13922 (SYMBOL_REF_CONSTANT): New macro.
13923 (get_pool_constant_for_function): Delete.
13924 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13925 rather than SYMBOL_REF_DECL.
13926 (i386_pe_mark_dllimport): Likewise.
13927 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13928 rather than SYMBOL_REF_DECL.
13929 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13930 (machopic_indirect_call_target): Likewise.
13932 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13934 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13936 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13938 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13940 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13942 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13944 2006-01-24 David Daney <ddaney@avtrex.com>
13947 * configure.ac (enable_tls): New enable option.
13948 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13949 * configure: Regenerate.
13950 * doc/install.texi (--enable-tls): Document new option.
13951 (--disable-tls): Ditto.
13953 2006-01-24 Richard Henderson <rth@redehat.com>
13955 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13956 * alias.c (true_dependence): Respect it.
13957 (canon_true_dependence, write_dependence_p): Likewise.
13958 * builtins.c (get_builtin_sync_mem): Set it.
13960 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13962 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13965 2006-01-24 DJ Delorie <dj@redhat.com>
13967 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13968 for storing constants in single-bit bitfields.
13970 2006-01-25 Ben Elliston <bje@au.ibm.com>
13972 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13974 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13977 * tree-ssa-pre.c (phi_translate): Return NULL
13978 for AGGREGATE_TYPE's.
13980 2006-01-24 Zack Weinberg <zackw@panix.com>
13982 * genautomata.c (process_state_for_insn_equiv_partition):
13983 Use xcalloc for insn_arcs_array.
13984 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13985 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13987 2006-01-24 Richard Henderson <rth@redhat.com>
13989 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13990 update all callers.
13992 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13994 PR rtl-optimization/25890
13995 PR rtl-optimization/25905
13996 * combine.c (expand_compound_operation, expand_field_assignment):
13997 Fail if the bitfield's final position is out of bounds.
13999 2006-01-24 Ian Lance Taylor <ian@airs.com>
14001 PR middle-end/25930
14002 * cgraphunit.c (cgraph_output_in_order): Don't clear
14003 cgraph_asm_nodes until after asm strings have been output.
14005 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14007 * fix-header.c (read_scan_file): Add new parameter imultilib when
14008 calling register_include_chains.
14010 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14012 * omp-low.c: Update documentation.
14014 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14015 Daniel Berlin <dberlin@dberlin.org>
14019 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14020 return from the function.
14022 2006-01-22 Zack Weinberg <zackw@panix.com>
14024 * rtl.def (match_code): Add second argument.
14025 * genpreds.c (write_extract_subexp): New function.
14026 (write_match_code): Add path argument. Use write_extract_subexp.
14027 (write_predicate_expr): Pass path to write_match_code.
14028 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14029 not perform a mode test.
14030 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14031 a subexpression does not constrain the top-level code set.
14032 * read-rtl.c (read_rtx_variadic): New function.
14033 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14034 * doc/md.texi: Document new notation.
14035 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14036 (cmpsi_operand): ... here, using new notation.
14038 2006-01-22 Zack Weinberg <zackw@panix.com>
14040 * varray.c: Remove GENERATOR_FILE #ifdefs.
14042 2006-01-22 Zack Weinberg <zackw@panix.com>
14044 * genautomata.c (output_reserved_units_table): Emit nothing if
14045 description->query_units_num is zero. Remove extra blank line.
14046 (output_cpu_unit_reservation_p): Short circuit
14047 if description->query_units_num is zero.
14049 2006-01-22 Zack Weinberg <zackw@panix.com>
14051 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14052 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14053 nor any of the random handful of variables that used to be necessary
14054 when this program was linked with rtlanal.o. Prune set of forward
14055 function declarations.
14056 (struct attr_desc): Remove static_p field.
14057 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14058 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14059 (attr_string): Do not read the character one past the length of
14061 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14062 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14063 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14064 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14065 (make_automaton_attrs): New.
14066 (main): Do not call into genautomata. Call local gen_bypass
14067 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14068 Remove special case for insn_alts.
14069 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14070 varray.h (leftover from previous change). Prune set of forward
14071 function declarations. Remove state_alts fields from all
14072 structures. Remove state_alts_table from struct automaton.
14073 Make everything except main static. Do not maintain num_dfa_decls.
14074 Do not maintain state_alts fields of various structures.
14075 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14076 (add_arc): Remove state_alts argument. All callers updated.
14077 (output_reserved_units_table): Emit #ifdef here...
14078 (output_tables): ...not here. Don't generate state_alts tables.
14079 (expand_automata): Don't generate attributes.
14080 (write_automata): Don't generate state_alts functions.
14081 (main): New function.
14082 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14083 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14084 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14085 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14086 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14087 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14088 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14089 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14091 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14092 * genattrtab.h: Delete file.
14093 * Makefile.in (OBJS-common): Add insn-automata.o.
14094 (insn-automata.o): New rule.
14095 (simple_generated_c): Add insn-automata.c.
14096 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14097 (genprogmd): Add automata.
14098 (build/genattrtab): Needs no extra objects nor libraries.
14099 (build/genautomata): Needs build/vec.o and -lm.
14101 2006-01-22 Zack Weinberg <zackw@panix.com>
14103 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14104 (output_dfa_max_issue_rate, locked_states_num): Delete.
14105 (struct automaton): Add locked_states field.
14106 (output_dead_lock_vect): Save number of locked states in
14107 automaton->locked_states. If it is zero, don't print anything.
14108 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14109 (output_internal_dead_lock_func): Only test the dead_lock_vect
14110 for automata that have locked states.
14111 (output_statistics): Always print the number of locked states for
14112 each automaton. Calculate total number of locked states here.
14113 (write_automata): Don't call output_dfa_max_issue_rate.
14114 * genattrtab.c: Define length_unit_log as a const variable.
14115 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14116 max_insn_queue_index const.
14117 * final.c (length_unit_log): Declare const.
14118 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14120 2006-01-22 Zack Weinberg <zackw@panix.com>
14122 * genautomata.c: Include vec.h, not varray.h.
14123 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14124 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14125 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14126 VEC_* macros operating on appropriately typed vectors, or to
14127 malloced arrays when the size is known in advance. Const-ify
14128 many char* variables and function arguments. No functional changes.
14129 * Makefile.in (build/varray.o): Delete rule.
14130 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14131 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14133 2006-01-22 Zack Weinberg <zackw@panix.com>
14135 * gensupport.c: Define get_insn_name and record_insn_name here.
14136 (read_md_rtx): Call record_insn_name as appropriate.
14137 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14138 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14139 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14141 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14142 (BUILD_VARRAY): Delete.
14143 (genprognormal): Rename genprogmd. Fold in all programs from
14144 genprognoprint; also attrtab.
14145 (build/genattrtab): Just mention genautomata.o and varray.o.
14146 Reorganize a bit, add comments to make the categories clearer.
14148 2006-01-22 Zack Weinberg <zackw@panix.com>
14150 * genconditions.c (condition_table, add_condition): Delete.
14151 (write_conditions): Don't emit n_insn_conditions nor
14152 insn_elision_unavailable. Issue the gcc version #ifdef here,
14153 inside the table, with no #else clause ...
14154 (write_header): ...not here.
14155 (write_writer): New function.
14156 (main): Don't initialize condition_table. Use add_c_test.
14158 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14159 files on the command line.
14160 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14161 Return -1 if there is no entry in the table, don't abort.
14162 (add_c_test, traverse_c_tests): New functions.
14163 * gensupport.h (insn_elision_unavailable, insn_conditions)
14164 (n_insn_conditions): Delete declarations.
14165 (add_c_test, traverse_c_tests): Declare.
14166 * read-rtl.c: Include gensupport.h.
14167 (read_conditions): New function.
14168 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14169 (read_rtx_1): If we get EOF when we were looking for an initial
14170 open paren, return 0. Call read_conditions when appropriate.
14171 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14172 dummy-conditions.o. Eliminate references to insn-conditions.o,
14173 or change them to build/gencondmd.o, as appropriate. Remove
14174 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14175 from $(simple_generated_c). For all files remaining in those
14176 two lists, add insn-conditions.md to the generator command line.
14177 Give insn-constants.h/s-constants their own rules. Add rules
14178 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14179 (build/read-rtl.o): Depend on gensupport.h.
14180 (genprognormal): Include preds.
14181 (genprogearly): Rename genprognoprint; only difference is now that
14182 they don't link with $(BUILD_PRINT).
14183 * dummy-conditions.c: Delete.
14185 2006-01-22 Zack Weinberg <zackw@panix.com>
14187 * genextract.c: Don't include insn-config.h. Do include vec.h.
14188 Declare vectors of int, char, and locstr.
14189 (locstr): New typedef.
14190 (struct extraction): Make all array fields into bare pointers.
14191 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14192 (insn_code_number): Delete.
14193 (accum_extract): New struct.
14194 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14195 (gen_insn): Take insn_code_number as an argument. Use an
14196 accum_extract structure instead of loading data directly into
14197 a struct extraction, and having to know how big it might get.
14198 (walk_rtx): Operate entirely on an accum_extract structure.
14199 (print_path): Avoid unnecessary use of printf.
14200 (print_header): New function, split out of main. Distinguish
14201 more carefully between an unrecognizable insn and an insn that
14202 has the code number of a define_expand.
14203 (main): Pass insn_code_number to gen_insn. Call print_header
14204 only after parsing. Avoid unnecessary use of printf.
14205 * Makefile.in (build/vec.o): New rule.
14206 (build/genextract): Depend on build/vec.o.
14207 (build/genextract.o): Don't depend on insn-config.h.
14209 2006-01-22 Zack Weinberg <zackw@panix.com>
14211 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14212 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14213 practical. Eliminate per-generator-program link rules.
14215 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14217 PR middle-end/24437
14218 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14219 with a call expr to ...
14220 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14222 2006-01-23 Richard Guenther <rguenther@suse.de>
14224 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14225 before make_edge with conditional EDGE_TRUE_VALUE.
14227 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14228 Jan Hubicka <jh@suse.cz>
14229 Richard Guenther <rguenther@suse.de>
14231 PR rtl-optimization/25654
14232 * cfgexpand.c (aggregate_contains_union_type): New function.
14233 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14234 for structure variables that contain a union type.
14236 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14238 * gengtype.c (new_structure): Return the structure.
14239 (create_option): Add an extra "next" argument.
14240 (create_field): New function.
14241 (adjust_field_rtx_def): Use create_option and create_field.
14242 Remove a now-unnecessary call to find_structure.
14243 (adjust_field_tree_def): Likewise.
14244 (note_yacc_type): Remove an unnecessary call to find_structure.
14245 * gengtype.h (new_structure): Return the structure.
14246 (create_option): Add an extra argument.
14247 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14248 (option): Adjust calls to create_option.
14250 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14252 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14254 2006-01-22 Paul Brook <paul@codesourcery.com>
14255 Peter Barada <peter@the-baradas.com>
14257 * config/m68k/m68k.md: Add Coldfire FPU support.
14258 Define FP mode macro and associated attributes.
14259 Use it for float mode patterns.
14260 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14261 (LIBCALL_VALUE): Use m68k_libcall_value.
14262 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14263 (m68k_function_value): Ditto.
14264 (emit_move_sequence): Ditto.
14265 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14266 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14267 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14268 (MULTILIB_EXCEPTIONS): Ditto.
14269 * config/m68k/m68k.opt: Add mcfv4e.
14270 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14271 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14272 (m68k_output_function_prologue): Save ColdFire FPU registers.
14273 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14274 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14275 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14276 ColdFire FPU registers.
14277 (m68k_libcall_value, m68k_function_value): New functions.
14278 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14279 (LIBCALL_VALUE): Use m68k_libcall_value.
14280 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14281 (MASK_COLDFIRE): Add MASK_CFV4E.
14282 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14283 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14284 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14285 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14286 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14287 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14288 * doc/invoke.tex: Document -mcfv4e on m68k.
14290 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14292 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14295 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14298 * c-opts.c (c_common_handle_option): Don't include
14299 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14300 * doc/invoke.texi (C++ Dialect Options): Document that
14301 -Wnon-virtual-dtor is no longer included in -Wall.
14303 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14305 * gcov.c (print_version), gcov-dump.c (print_version),
14306 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14309 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14311 * df-scan.c (problem_SCAN): Added NULL reset function.
14312 (df_scan_reset_blocks): Added code to call reset block function
14313 (df_bb_refs_delete) Fixed comment.
14314 (df_insn_refs_delete): Made tolerant of deleting non existent info
14315 for dataflow problems that need to be reset.
14316 * df-core.c (df_set_blocks): Ditto.
14317 * df.h (struct df_problem): Added reset_fun.
14318 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14319 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14320 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14321 functions to clear out all references to def-use or use-def chains.
14323 2006-01-21 Ben Elliston <bje@au.ibm.com>
14325 * varasm.c (assemble_real): Initialise data array.
14327 2006-01-20 Paul Brook <paul@codesourcery.com>
14329 Merge from csl-arm-branch.
14330 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14331 * config/arm/arm.md (movdi): Force operands[1] to a register
14332 if we have a non-register source.
14333 (*arm_movdi, *movdf_soft_insn): Require that one of the
14334 operands be a register.
14335 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14336 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14338 2006-01-20 DJ Delorie <dj@redhat.com>
14340 * varasm.c (initializer_constant_valid_p): Allow pointers
14341 initialized from integer constants of lesser precision.
14342 (output_constant): Allow non-int-sized pointer modes to be
14343 initialized from integer constants.
14345 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14348 * cppdefault.h (struct default_include): Add multilib flag.
14349 * cppdefault.c (cpp_include_defaults): Set it.
14350 * c.opt (-imultilib): New option.
14351 * c-opts.c (imultilib): New.
14352 (c_common_handle_option): Handle -imultilib.
14353 (c_common_post_options): Likewise.
14354 * c-incpath.c (add_standard_paths, register_include_chains):
14356 * c-incpath.h (register_include_chains): Add extra parameter.
14357 * gcc.c (do_spec_1): Generate -imultilib option.
14358 (The Specs Language): Update %I description.
14359 (process_command): Update copyright notice.
14360 * doc/cppopts.texi (-imultilib): Document.
14361 * doc/invoke.texi (-imultilib): Include in option summary.
14362 (%I): Update specs documentation.
14364 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14366 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14368 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14370 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14373 2006-01-20 Richard Guenther <rguenther@suse.de>
14374 Steven Bosscher <stevenb.gcc@gmail.com>
14376 PR rtl-optimization/24626
14377 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14378 EDGE_TRUE_VALUE if in RTL mode.
14381 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14382 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14384 2006-01-20 Dirk Mueller <dmueller@suse.com>
14387 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14388 instead of a special NOP marker.
14389 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14390 NOP marker handling.
14391 * c-common.h (empty_body_warning): Add forward declaration.
14392 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14393 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14395 2006-01-20 Paul Brook <paul@codesourcery.com>
14397 * Makefile.in (lang_checks): Keep going if mkdir fails.
14399 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14401 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14402 be able to clean out basic block when not necessary.
14403 (df_scan_free): Fixed to properly delete information if df is
14404 unused before calling df_finish.
14405 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14406 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14408 (df_bb_refs_delete): New function.
14409 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14410 * df-core.c (df_set_blocks): Added code to properly clean out
14411 unused blocks if they are not part of the blocks to consider.
14412 Added additional null check.
14413 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14414 be able to clean out basic block when not necessary
14415 * df.h (df_free_bb_function): Ditto.
14416 (df_bb_refs_delete): New function.
14417 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14418 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14419 basic block parameter to be able to clean out basic block when not
14421 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14422 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14423 Fixed to properly delete information if df is unused before
14426 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14428 PR rtl-optimization/25799
14429 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14430 Corrected confluence operator to remove bits from op2 before oring
14431 with op1 rather than removing bits from op1.
14432 (df_ru_transfer_function): Corrected test on wrong bitmap which
14433 caused infinite loop. Both of these problems were introduced in
14434 the dataflow rewrite.
14436 2006-01-19 DJ Delorie <dj@redhat.com>
14438 * reload1.c (find_reload_regs): Note the details of reload
14439 failures in the dump file.
14440 (spill_failure): Likewise.
14442 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14444 * loop-iv.c: Include df.h and hashtab.h.
14445 (enum iv_grd_result): New enum.
14446 (DF_REF_IV, DF_REF_IV_SET): New macros.
14447 (struct biv_entry): New.
14448 (df, bivs): New global variables.
14449 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14450 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14452 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14453 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14454 analyzed_for_bivness_p, record_biv): New functions.
14455 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14456 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14457 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14459 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14461 (iv_number_of_iterations): Use new interface to iv analysis.
14462 * loop-unroll.c: Do not include varray.h.
14463 (analyze_iv_to_split_insn): Use new interface to iv
14465 * loop-unswitch.c (may_unswitch_on): Ditto.
14466 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14468 (df_bb_modify): Realloc tables to the new index.
14469 (df_find_use): New function.
14470 * df.h (df_find_use): Declare.
14471 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14473 * cfgloop.h (struct rtx_iv): Remove analysed field.
14474 (iv_get_reaching_def): Removed.
14475 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14476 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14477 (loop-iv.o): Add df.h and hashtab.h dependency.
14478 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14480 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14483 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14485 (__floatundisf, __floatundidf): Likewise.
14486 * libgcc2.h (IS_IBM_EXTENDED): Define.
14488 2006-01-19 DJ Delorie <dj@redhat.com>
14490 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14492 2006-01-19 Paul Brook <paul@codesourcery.com>
14494 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14495 as nothrow when unwinding tables are disabled.
14497 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14500 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14501 of bit-field" when in system header.
14503 2006-01-19 DJ Delorie <dj@redhat.com>
14505 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14506 the 16 bit shift limit of the m16c.
14508 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14511 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14512 * config/i386/i386.c (output_set_got): Output the label if we have one
14513 for the TARGET_DEEP_BRANCH_PREDICTION case.
14515 2006-01-19 Jan Hubicka <jh@suse.cz>
14516 H.J. Lu <hongjiu.lu@intel.com>
14517 Evandro Menezes <evandro.menezes@amd.com>
14519 * invoke.texi (generic): Document
14521 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14522 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14523 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14524 (x86_use_incdec, x86_pad_returns): New variables
14525 (TARGET_CPU_DEFAULT_generic): New constant
14526 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14527 (enum processor_type): Add generic32 and generic64.
14528 * i386.md (cpu attribute): Add generic32/generic64
14529 (movhi splitter): Behave sanely when both partial_reg_dependency and
14530 partial_reg_stall are set.
14531 (K8 splitters): Enable for generic as well.
14532 * predicates.md (incdec_operand): Use TARGET_INCDEC
14533 (aligned_operand): Avoid memory mismatch stalls.
14534 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14535 * ppro.md: Enable for generic32
14536 * i386.c (generic64_cost, generic32_cost): New.
14537 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14538 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14539 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14540 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14541 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14542 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14543 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14544 x86_accumulate_outgoing_args, x86_prologue_using_move,
14545 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14546 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14547 Enable for generic.
14548 (x86_use_incdec, x86_pad_returns): New.
14549 (override_options): Add generic32 and generic64, translate "generic"
14550 to generic32/generic64 and "i686" to "generic32", refuse
14551 "generic32"/"generic64" as arch target.
14552 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14553 (ix86_reorg): Honor PAD_RETURNS.
14555 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14557 * tree-pretty-print.c (dump_generic_node): Handle
14558 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14559 * cgraph.c (cgraph_expand_queue): Rename from
14560 cgraph_analyze_queue. Update all users.
14561 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14562 cgraph_expand_queue.
14563 (cgraph_expand_all_functions): Likewise.
14564 (cgraph_finalize_pending_functions): Remove. Update callers.
14566 * tree.h (OMP_DIRECTIVE_P): Define.
14567 (OMP_PARALLEL_FN): Define.
14568 (OMP_PARALLEL_DATA_ARG): Define.
14569 (OMP_SECTIONS_SECTIONS): Define.
14570 * tree-pass.h (pass_expand_omp): Declare.
14571 * omp-low.c (struct omp_region): Declare.
14572 (struct omp_context): Remove fields 'parallel_type',
14573 'parallel_start_ix' and 'parallel_start_additional_args'.
14575 (struct omp_for_data): Rename from struct expand_omp_for_data.
14576 (omp_regions): New static variable.
14577 (root_omp_region): New static variable.
14578 (find_omp_clause): Make static.
14579 (is_in_combined_parallel_ctx): Remove.
14580 (is_combined_parallel): New.
14581 (extract_omp_for_data): Move earlier in the file.
14582 (workshare_safe_to_combine_p): New.
14583 (get_ws_args_for): New.
14584 (determine_parallel_type): Move earlier in the file.
14585 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14587 (omp_copy_decl): Likewise.
14588 (create_omp_child_function): Likewise.
14589 (lookup_omp_region): New.
14590 (dump_omp_region): New.
14591 (debug_omp_region): New.
14592 (debug_all_omp_regions): New.
14593 (new_omp_region): New.
14594 (scan_omp_parallel): If parallel_nesting_level > 1, the
14595 directive is nested within another parallel directive.
14596 Set OMP_PARALLEL_FN.
14597 (scan_omp_for): Do not try to handle combined parallel+for
14599 Remove FIXME comment.
14600 (scan_omp_nested): Remove.
14601 (scan_omp_1): Do not call scan_omp_nested when
14602 parallel_nesting_level is > 1.
14603 Do not change the DECL_CONTEXT of local variables found.
14604 (lookup_decl_in_outer_ctx): New.
14605 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14606 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14607 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14608 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14609 If CTX is nested, lookup VAR in the outer context when
14610 building copy assignment.
14611 (lower_send_clauses): Rename from expand_send_clauses.
14612 If CTX is nested, lookup VAR in the outer context when
14613 building copy assignments.
14614 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14615 If CTX is nested, lookup VAR in the outer context when
14616 building copy assignments.
14617 (expand_parallel_call): Rename from build_parallel_call.
14618 Handle combined parallel+workshare cases.
14619 Re-implement to emit code into the CFG.
14621 (expand_omp_parallel): Re-implement to emit code into the CFG.
14622 Call move_sese_region_to_fn to outline the sub-graph
14623 containing the parallel region.
14624 (expand_omp_for_1): Remove.
14625 (expand_omp_for_generic): Re-implement to emit code into the
14627 (expand_omp_for_static_nochunk): Likewise.
14628 (expand_omp_for_static_chunk): Likewise.
14629 (expand_omp_for): Likewise.
14630 (expand_omp_sections): Likewise.
14631 (remove_exit_barriers): New.
14632 (expand_omp_synch): New.
14634 (build_omp_regions_1): New.
14635 (build_omp_regions): New.
14636 (execute_expand_omp): New.
14637 (gate_expand_omp): New.
14638 (pass_expand_omp): Define.
14639 (lower_omp_sections): Rename from expand_omp_sections.
14640 Set OMP_SECTIONS_SECTIONS.
14641 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14642 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14643 (lower_omp_single): Rename from expand_omp_simple.
14644 (lower_omp_master): Rename from expand_omp_master.
14645 (lower_omp_ordered): Rename from expand_omp_ordered.
14646 (lower_omp_critical): Rename from expand_omp_critical.
14647 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14648 (lower_omp_for): Re-implement.
14649 (lower_omp_parallel): Re-implement.
14650 (lower_regimplify): Rename from expand_regimplify.
14651 (lower_omp_1): Rename from expand_omp_1.
14652 If there are syntax errors in the program, replace every
14653 OpenMP directive with NOP.
14654 Call lower_omp_* instead of expand_omp_*.
14655 (lower_omp): Rename from expand_omp.
14657 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14658 * tree-gimple.h (enum omp_parallel_type): Remove.
14659 (gimple_boolify): Declare extern.
14660 (find_omp_clause, determine_parallel_type): Remove.
14662 * gimple-low.c (lower_omp_directive): New.
14663 (lower_stmt): Call it.
14664 (record_vars_into): Move from ...
14665 (record_vars): ... here.
14666 Call record_vars_into with current_function_decl.
14668 * gimplify.c (struct gimplify_ctx): Remove fields
14669 combined_pre_p and combined_ctxp. Update users.
14670 (get_formal_tmp_var): Add documentation.
14671 (gimple_boolify): Make extern.
14672 (gimplify_expr_in_ctx): Remove. Update callers.
14673 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14674 will always be a BIND_EXPR.
14675 (gimplify_expr): Handle OMP_RETURN_EXPR.
14676 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14677 (OMP_PARALLEL): Add 3 operands.
14678 (OMP_SECTIONS): Add 1 operand.
14679 (OMP_RETURN_EXPR): Define.
14681 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14682 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14683 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14684 creating a circular free list.
14685 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14687 * tree-flow.h (move_sese_region_to_fn): Declare.
14688 (record_vars_into): Declare.
14689 * tree-cfg.c (make_omp_sections_edges): New.
14690 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14691 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14692 OMP_SECTIONS and OMP_SECTION.
14693 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14694 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14695 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14696 (gather_blocks_in_sese_region): New.
14697 (struct move_stmt_d): Declare.
14698 (move_stmt_r): New.
14699 (move_block_to_fn): New.
14700 (move_sese_region_to_fn): New.
14702 * passes.c (init_optimization_passes): Schedule
14703 pass_expand_omp after pass_init_datastructures.
14705 * tree-ssa-operands.c (get_expr_operands): Handle
14706 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14707 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14709 2006-01-19 Jeff Law <law@redhat.com>
14711 * tree-vrp.c (extract_range_from_assert): Refine the result range
14712 if the variable referenced by the ASSERT_EXPR has a range and
14713 either the tentative result range or the previous range is a
14716 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14718 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14720 2006-01-19 Jan Hubicka <jh@suse.cz>
14722 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14724 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14726 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14727 (expand_compound_operation, expand_field_assignment): Fail if the
14728 bit lengths of an extract operation are out of range.
14729 (make_extraction): Compute wanted_inner_mode based on the position
14730 and length of the extraction. Make it extraction_mode for non-constant
14731 positions, and do not modify offset in that case. When generating a
14732 new MEM, use a mode that can hold the extraction while keeping correct
14733 alignment. Remove code that supported MEMs wrapped by USEs.
14734 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14736 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14738 * config/s390/s390.md ("Y", "y"): New mode attribute.
14739 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14740 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14741 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14742 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14743 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14744 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14745 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14746 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14747 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14748 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14749 "addsi3", "subsi3"): Insn patterns removed.
14750 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14751 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14752 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14753 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14754 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14755 "*sub<mode>3_cconly2"): New insn patterns.
14756 ("addsi3", "subsi3"): New expanders.
14758 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14760 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14761 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14762 existing STMT_VINFO_VECTYPE if available.
14763 (vect_mark_relevant): Add special handling for stmts that are
14764 marked as STMT_VINFO_IN_PATTERN_P.
14765 (vect_analyze_loop): Call vect_pattern_recog.
14766 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14767 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14769 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14770 (vect_recog_func_ptr): New function-pointer type.
14771 * tree-vect-patterns.c: New file.
14772 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14773 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14774 (vect_pattern_recog_1): New functions.
14775 (vect_pattern_recog_funcs): New array of function pointers.
14777 * tree-vectorizer.h (ternary_op): New enum value.
14778 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14779 declaration. Revised documentation. Removed redundant dump prints.
14780 Removed redundant argument. Added support for reduction patterns.
14781 (vectorizable_reduction): Added support for reduction patterns.
14782 (vect_transform_stmt): Added support for patterns.
14784 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14785 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14786 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14787 (expand_widen_pattern_expr): New function.
14788 (init_optabs): Initialize new optabs udot_prod_optab,
14790 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14791 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14792 (expand_widen_pattern_expr): New function declaration.
14793 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14795 * tree-inline.c (estimate_num_insns_1): Added cases for new
14796 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14797 * tree-pretty-print.c (dump_generic_node): Likewise.
14798 (op_prio): Likewise.
14799 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14800 * tree-ssa-operands.c (get_expr_operands): Added case for
14802 * tree-vect-patterns.c (widened_name_p): New function.
14803 (vect_recog_dot_prod_pattern): Added function implementation.
14804 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14805 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14806 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14807 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14809 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14810 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14811 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14812 (init_optabs): Initialize new optabs widen_ssum_optab,
14814 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14815 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14816 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14817 use instead of type of def.
14818 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14819 function implementation.
14820 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14821 widen_ssumv8hi): New.
14823 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14826 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14829 * c-decl.c (add_flexible_array_elts_to_size): New function.
14830 (finish_decl): Use it.
14832 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14834 * diagnostic.h: Include options.h.
14835 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14836 dependancies for diagnostic.h.
14837 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14839 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14841 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14842 (ssa_ro_call_cache_valid): Ditto.
14843 * tree-ssa-alias.c (sort_tags_by_id): New function.
14844 (init_transitive_clobber_worklist): Ditto.
14845 (add_to_worklist): Ditto.
14846 (mark_aliases_call_clobbered): Ditto.
14847 (compute_tag_properties): Ditto.
14848 (set_initial_properties): Ditto.
14849 (compute_call_clobbered): Ditto.
14850 (compute_may_aliases): Call compute_call_clobbered and grouping.
14851 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14852 (compute_flow_insensitive_aliasing): Grouping now happens in our
14854 (setup_pointers_and_addressables): Remove clobbering related code.
14855 (add_may_alias): Ditto.
14856 (replace_may_alias): Ditto.
14857 (get_nmt_for): Ditto.
14858 (create_global_var):
14859 (is_escape_site): Return an escape_type enumeration.
14860 * tree-flow-inline.h (is_call_clobbered): Global var does not
14861 imply call clobbered.
14862 (mark_call_clobbered): Take a reason for marking this. Remove
14863 marking of globalness, and cache invalidation.
14864 (clear_call_clobbered): Remove cache invalidation code.
14865 * tree-dfa.c (dump_variable): If details is on, dump the reason
14867 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14869 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14870 (struct var_ann_d): Ditto.
14871 (enum escape_type): New.
14872 (mark_call_clobbered): Adjust prototype.
14873 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14874 are never call clobbered.
14875 Record reasons for escaping.
14876 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14877 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14878 (ssa_ro_call_cache_valid): Ditto.
14879 (clobbered_v_may_defs): Ditto.
14880 (clobbered_vuses): Ditto.
14881 (ro_call_vuses): Ditto.
14882 (clobber_stats): New.
14883 (init_ssa_operands): Zero out clobber stats.
14884 (fini_ssa_operands): Print out clobber stats.
14885 (get_call_expr_operands): Pass callee fndecl to
14886 add_call_read_ops).
14887 (add_call_clobber_ops): Remove use of cache.
14888 Add use of PURE_CONST information.
14889 (add_call_read_ops): Remove use of cache.
14890 Add use of static not_read information.
14892 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14894 Introduce TLS descriptors for i386 and x86_64.
14895 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14896 (TARGET_ANY_GNU_TLS): New macro.
14897 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14898 (struct machine_function): Add tls_descriptor_call_expanded_p.
14899 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14900 (ix86_current_function_calls_tls_descriptor): Likewise.
14901 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14902 (override_options): Introduce gnu2 tls dialect.
14903 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14905 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14907 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14908 (ix86_init_machine_status): Initialize new field.
14909 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14910 (ix86_tls_module_base): New.
14911 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14912 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14913 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14914 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14915 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14916 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14917 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14918 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14919 * config/i386/predicates.md (tls_modbase_operand): New.
14920 (tp_or_register_operand): New.
14922 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14924 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14925 (look_for_address_of): Ditto.
14926 (ipa_init): Walk the function decls.
14927 (static_execute): Don't set readonly on FUNCTION_DECL's.
14929 2006-01-18 Roger Sayle <roger@eyesopen.com>
14931 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14932 for shifts where the source and destination registers are different.
14934 2006-01-18 Paul Brook <paul@codesourcery.com>
14936 Merge from csl-arm-branch.
14937 2005-03-14 Julian Brown <julian@codesourcery.com>
14938 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14939 (aeabi_llsl): Likewise.
14940 (ashrdi3): Likewise.
14941 (aeabi_lasr): Likewise.
14942 (lshrdi3): Likewise.
14943 (aeabi_llsr): Likewise.
14944 2005-03-10 Julian Brown <julian@codesourcery.com>
14945 * config.gcc: Disable shared libgcc for SymbianOS.
14946 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14948 2006-01-18 DJ Delorie <dj@redhat.com>
14950 * c-pragma.c (handle_pragma_diagnostic): New.
14951 (init_pragma): Register it.
14952 * doc/extend.texi: Document it.
14954 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14955 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14956 (diagnostic_context): Add classify_diagnostic[].
14957 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14958 as errors if they're overridden to DK_WARNING.
14959 (diagnostic_initialize): Initialize classify_diagnostic[].
14960 (diagnostic_set_kind_override): New.
14961 (diagnostic_report_diagnostic): Check for kind changes.
14962 * opts.c (common_handle_option): Take lang_mask. Update callers.
14963 Handle OPT_Werror_.
14964 * common.opt (Werror=): New.
14965 * doc/invoke.texi: Document -Werror=*
14967 2006-01-18 Jeff Law <law@redhat.com>
14969 * tree-vrp.c (test_for_singularity): Correct test for new
14970 min limit. Use operand_equal_p rather than pointer equality
14971 for testing if new min/max values are equal.
14973 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14974 using range information until after propagation and folding.
14976 2006-01-18 Richard Henderson <rth@redhat.com>
14977 Aldy Hernandez <aldyh@redhat.com>
14978 Jakub Jelinek <jakub@redhat.com>
14979 Diego Novillo <dnovillo@redhat.com>
14981 * omp-low.c: New file.
14982 * c-omp.c: New file.
14984 2006-01-18 Richard Henderson <rth@redhat.com>
14985 Jakub Jelinek <jakub@redhat.com>
14986 Diego Novillo <dnovillo@redhat.com>
14988 * doc/invoke.texi: Document -fopenmp.
14989 * tree-dump.h (debug_function): Declare.
14990 * hooks.c (hook_bool_tree_bool_false): New function.
14991 (hook_tree_tree_null): Remove.
14992 (hook_tree_tree_tree_null): New.
14993 * hooks.h: Update to match.
14994 * tree-pretty-print.c (debug_tree_chain): New.
14995 (print_generic_expr): Handle TDF_CHAIN.
14996 (dump_generic_node): Handle BLOCK.
14997 Do not abort with incomplete SWITCH_EXPRs.
14998 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14999 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15000 print space after directive name.
15001 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15002 Handle OMP_MASTER and OMP_ORDERED.
15003 Handle printing of OMP_BODY just in one place, goto
15004 dump_omp_body in the rest of OMP_* nodes that have
15006 Don't handle clause nodes here. Update omp statements to
15007 use dump_omp_clauses.
15008 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15009 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15010 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15011 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15012 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15013 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15014 Adjust output for GOMP_PARALLEL.
15015 (dump_omp_clauses): New.
15016 (print_declaration): Dump DECL_VALUE_EXPR.
15017 (op_symbol_1): Split out of op_symbol.
15018 (dumping_stmts): Remove. Update all users.
15019 * cgraph.c (cgraph_analyze_queue): New.
15020 (cgraph_add_new_function): New.
15021 * cgraph.h (cgraph_analyze_queue): Declare.
15022 (cgraph_add_new_function): Declare.
15023 (cgraph_lower_function): Remove.
15024 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15025 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15026 and TYPE_P nodes in its default clause.
15027 (empty_body_p): New.
15028 (tree_range_check_failed): New.
15029 (build5_stat): New.
15030 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15031 OMP_CLAUSE_REDUCTION_MERGE,
15032 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15033 OMP_CLAUSE_PRIVATE_DEBUG,
15034 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15035 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15036 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15037 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15038 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15039 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15040 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15041 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15042 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15043 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15044 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15045 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15046 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15047 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15048 (TREE_RANGE_CHECK): New.
15049 (empty_body_p): Declare.
15050 (enum omp_clause_default_kind): New.
15051 (build_string_literal): Declare.
15052 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15053 (build5_stat, build5): Declare.
15054 * tree-pass.h (TDF_CHAIN): Define.
15055 * tree-pass.h (PROP_gimple_lomp): Define.
15056 (pass_lower_omp): Declare.
15057 * diagnostic.h (debug_tree_chain): Declare.
15058 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15060 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15061 * builtins.c (build_string_literal): Make extern.
15062 * gcc.c (include_spec_function): New.
15063 (static_spec_functions): Add it.
15064 (main): Move load of libgomp.spec ...
15065 (LINK_COMMAND_SPEC): ... here.
15066 (link_gomp_spec): New.
15067 (static_specs): Include it.
15068 (LINK_COMMAND_SPEC): Add link_gomp.
15069 (GOMP_SELF_SPECS): New.
15070 (driver_self_specs): Include it.
15071 (switch_matches): Don't mark inline.
15072 (main): Load libgomp.spec.
15073 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15074 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15075 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15076 * tree-gimple.h (enum omp_parallel): Declare.
15077 (determine_parallel_type): Declare.
15078 (omp_firstprivatize_variable): Declare.
15079 (omp_reduction_init): Declare.
15080 (diagnose_omp_structured_block_errors): Declare.
15081 (struct walk_stmt_info): Add want_return_expr.
15082 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15083 (find_omp_clause): Declare.
15084 (insert_field_into_struct): Declare.
15085 (struct walk_stmt_info): Move from tree-nested.c
15086 (walk_stmts): Declare.
15087 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15089 * cgraphunit.c (cgraph_lower_function): Make static.
15090 (cgraph_finalize_pending_functions): New.
15091 (cgraph_finalize_function): Call it.
15092 (cgraph_finalize_compilation_unit): Likewise.
15093 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15094 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15095 (BT_FN_UINT_UINT): New.
15096 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15097 DEF_FUNCTION_TYPE_VAR_4): Document.
15098 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15099 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15100 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15101 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15102 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15103 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15104 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15105 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15106 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15107 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15108 into separate files.
15109 (DEF_GOMP_BUILTIN): New.
15110 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15111 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15112 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15113 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15114 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15115 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15116 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15117 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15118 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15119 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15120 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15121 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15122 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15123 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15124 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15125 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15126 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15127 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15128 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15129 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15130 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15131 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15132 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15133 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15134 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15135 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15136 * sync-builtins.def: New file, moved from builtins.def.
15137 * omp-builtins.def: New file, moved from builtins.def.
15138 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15139 * gimple-low.c (lower_function_body): Clear data.
15140 (lower_stmt): Do not handle COMPOUND_EXPR.
15141 Remove call to print_node_brief.
15142 * c-tree.h (c_finish_omp_clauses): New prototype.
15143 (C_DECL_THREADPRIVATE_P): Define.
15144 (lookup_name_no_remap, c_omp_remap_private): Remove
15145 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15146 (check_for_loop_decls): Update decl.
15147 (lookup_name_no_remap, c_omp_remap_private): Declare.
15148 (build_indirect_ref, build_modify_expr, pushdecl,
15149 pushdecl_top_level): Move to c-common.h.
15150 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15151 before the switch, but just in the 2 places that need it.
15152 * c-decl.c (diagnose_mismatched_decls): Do not check for
15153 mismatched thread-local attributes when OLDDECL is marked
15154 threadprivate and NEWDECL has no thread-local attributes.
15155 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15156 (c_gimple_diagnostics_recursively): Rename from
15157 c_warn_unused_result_recursively. Invoke
15158 diagnose_omp_structured_block_errors.
15159 (check_for_loop_decls): Return a singular decl found.
15160 * langhooks.c (lhd_omp_predetermined_sharing): Return
15161 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15162 (lhd_omp_firstprivatize_type_sizes): New.
15163 (lhd_omp_assignment): New.
15164 (lhd_omp_predetermined_sharing): New.
15165 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15166 (struct lang_hooks_for_types): Add
15167 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15168 omp_predetermined_sharing, omp_disregard_value_expr,
15169 omp_private_debug_clause, omp_clause_default_ctor,
15170 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15171 (c_finish_omp_clauses): New.
15172 (c_finish_bc_stmt): Diagnose break within omp for.
15173 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15174 (build_unary_op): Return error_mark after reporting
15176 (build_modify_expr): Likewise.
15177 * gimplify.c: Include optabs.h and pointer-set.h.
15178 (enum gimplify_omp_var_data): Declare.
15179 (struct gimplify_omp_ctx): Declare.
15180 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15182 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15183 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15184 (splay_tree_compare_decl_uid): New.
15185 (new_omp_context): New.
15186 (delete_omp_context): New.
15187 (gimple_add_tmp_var): Call omp_add_variable.
15188 (gimplify_bind_expr): Likewise.
15189 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15190 true, disregard DECL_VALUE_EXPR on the decl if any.
15191 (gimplify_expr_in_ctx): New.
15192 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15193 omp_add_variable, omp_notice_variable, omp_is_private
15194 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15195 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15196 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15197 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15198 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15199 gimplify_omp_atomic): New.
15200 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15201 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15202 OMP_CRITICAL and OMP_ATOMIC.
15203 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15204 * c-pragma.h (enum pragma_kind): Add
15205 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15206 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15207 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15208 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15209 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15210 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15211 PRAGMA_OMP_THREADPRIVATE.
15212 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15213 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15214 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15215 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15216 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15217 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15218 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15219 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15220 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15221 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15222 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15223 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15224 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15226 (struct nesting_info): Add field_map,
15227 suppress_expansion, debug_var_chain.
15228 (create_nesting_tree): Initialize them.
15229 (lookup_field_for_decl): Use field_map.
15230 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15231 (convert_local_omp_clauses): New.
15232 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15233 (walk_body): Split out of walk_function.
15234 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15235 (convert_nonlocal_reference): Handle omp statements.
15236 (convert_local_reference): Likewise.
15237 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15238 (unnest_nesting_tree): New.
15239 (lower_nested_functions): Call it.
15240 (insert_field_into_struct): Make extern.
15241 (struct walk_stmt_info): Move to tree-gimple.h.
15242 (walk_stmts): Make extern.
15243 * omp-builtins.def: New file.
15244 * tree-iterator.c (expr_only): Clarify comment.
15245 * c-common.h (pushdecl_top_level, pushdecl,
15246 build_modify_expr, build_indirect_ref,
15247 c_finish_omp_master, c_finish_omp_critical,
15248 c_finish_omp_ordered, c_finish_omp_barrier,
15249 c_finish_omp_atomic, c_finish_omp_flush,
15250 c_finish_omp_for, c_split_parallel_clauses,
15251 omp_clause_default_kind, c_omp_sharing_predetermined,
15252 c_omp_remap_decl): Declare.
15253 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15254 (OBJS-common): Add omp-low.o.
15255 (c-omp.o, omp-low.o): Add.
15256 (gimplify.o): Add dependency on $(OPTABS_H).
15257 (GTFILES): Add omp-low.c.
15258 (gt-stringpool.h): Add.
15259 * tree-cfg.c (set_bb_for_stmt): Do not update the
15260 block-to-labels map if we are currently expanding to RTL.
15261 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15263 Handle IDENTIFIER_NODE.
15264 (tree_verify_flow_info): Do not ICE when emitting error
15265 messages about invalid labels.
15266 (dump_function_to_file): Reset CFUN before emitting the body
15268 (debug_function): New.
15269 * passes.c (init_optimization_passes): Schedule
15271 * langhooks-def.h (lhd_omp_predetermined_sharing,
15272 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15274 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15275 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15276 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15277 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15278 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15279 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15280 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15281 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15282 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15283 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15284 (LANG_HOOK_DECLS): Use them.
15286 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15287 Richard Henderson <rth@redhat.com>
15288 Jakub Jelinek <jakub@redhat.com>
15289 Diego Novillo <dnovillo@redhat.com>
15291 * c-parser.c (pragma_omp_clause): Define.
15292 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15293 (c_parser_compound_statement): Likewise.
15294 (c_parser_statement): Likewise.
15295 (c_parser_pragma): Handle omp pragmas.
15296 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15297 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15298 (c_parser_omp_clause_name, check_no_duplicate_clause,
15299 c_parser_omp_variable_list,
15300 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15301 c_parser_omp_clause_copyprivate,
15302 c_parser_omp_clause_default,
15303 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15304 c_parser_omp_clause_lastprivate,
15305 c_parser_omp_clause_nowait,
15306 c_parser_omp_clause_num_threads,
15307 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15308 c_parser_omp_clause_reduction,
15309 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15310 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15311 c_parser_omp_atomic, c_parser_omp_barrier,
15312 c_parser_omp_critical, c_parser_omp_flush,
15313 c_parser_omp_for_loop, c_parser_omp_for,
15314 c_parser_omp_master, c_parser_omp_ordered,
15315 c_parser_omp_sections_scope, c_parser_omp_sections,
15316 c_parser_omp_parallel, c_parser_omp_single,
15317 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15318 * c-pragma.c (init_pragma): Do omp pragma registration here.
15319 * c.opt (fopenmp): New flag.
15321 2006-01-18 Eric Christopher <echristo@apple.com>
15323 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15324 * config/darwin.h (GOMP_SELF_SPECS): Define.
15326 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15328 * rtl.h: Remove the prototype for reg_alloc.
15330 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15333 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15334 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15335 sjlj and dwarf2 exception handling.
15336 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15337 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15338 * pa/pa.c (function_value): Treat complex and vector types as
15340 (function_arg): Likewise. Only pass scalar floats in the floating
15341 point argument registers.
15342 * pa/t-slibgcc-dwarf-ver: New file.
15343 * pa/t-slibgcc-sjlj-ver: New file.
15344 * pa/t-slibgcc-elf-ver: Delete file.
15346 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15348 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15349 unlikely_test_section_p test.
15351 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15353 * mode-switching.c (optimize_mode_switching): Make it static.
15354 * basic-block.h: Remove the prototype for
15355 optimize_mode_switching.
15357 * modulo-sched.c (sms_schedule): Make it static.
15358 * rtl.h: Remove the prototype for sms_schedule.
15360 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15361 * rtl.h: Remove the prototype for gcse_after_reload_main.
15363 * reg-stack.c (reg_to_stack): Make it static.
15364 * rtl.h: Remove the prototype for reg_to_stack.
15366 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15368 * rtl.h: Remove the prototypes for regrename_optimize and
15369 copyprop_hardreg_forward.
15371 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15373 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15374 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15375 Test against the appropriate null constant for the mode.
15376 If 'fixup_overlap' is true, swap the operands if they overlap.
15377 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15378 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15379 alpha_split_tmode_pair and adjust for above change.
15380 * config/alpha/alpha.md (movtf_internal): Adjust call to
15381 alpha_split_tfmode_pair and rely on it to swap the operands.
15382 (movti_internal): New insn and post-reload splitter.
15383 (movti): New expander.
15385 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15387 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15390 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15392 * rtlanal.c (global_reg_mentioned_p_1,
15393 global_reg_mentioned_p): Remove.
15394 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15396 * flow.c (initialize_uninitialized_subregs): Make it static.
15397 * rtl.h: Remove the prototype for
15398 initialize_uninitialized_subregs.
15400 * function.c (instantiate_virtual_regs): Make it static.
15401 * function.h: Remove the prototype for
15402 instantiate_virtual_regs.
15404 * regmove.c (regmove_optimize, combine_stack_adjustments):
15406 * rtl.h: Remove the prototypes for regmove_optimize and
15407 combine_stack_adjustments.
15409 2006-01-17 Roger Sayle <roger@eyesopen.com>
15411 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15412 (size_cost): Encode costs in bytes so that a reg-reg addition is
15413 equivalent to COSTS_N_INSNS(1).
15414 (override_options): Use the size_cost.branch_cost as the default
15415 ix86_branch_cost when optimizing for size.
15417 2006-01-18 Ben Elliston <bje@au.ibm.com>
15419 * Makefile.in (D32PBIT_FUNCS): New.
15420 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15421 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15422 D64PBIT_FUNCS and D128PBIT_FUNCS.
15423 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15424 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15426 (decnumber_dep): Define.
15427 * doc/libgcc.texi (Decimal float library routines): New node.
15428 * config/dfp-bit.h, config/dfp-bit.c: New files.
15430 2006-01-18 Ben Elliston <bje@au.ibm.com>
15432 * expr.c (emit_move_change_mode): Always adjust addresses, not
15433 just during reload. Copy replacements only during reload.
15434 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15435 emit_move_via_integer.
15437 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15439 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15440 instead of $(srcdir) and ${srcdir}.
15442 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15445 PR middle-end/11135
15446 * arm.h (struct machine_function): Add pic_reg.
15447 * arm.c (arm_pic_register): Make unsigned.
15448 (arm_override_options): Only set arm_pic_register if
15449 TARGET_SINGLE_PIC_BASE.
15450 (use_return_insn): Only test for a pic register if it is fixed.
15451 (arm_compute_save_reg0_reg12_mask): Likewise.
15452 (thumb_compute_save_reg_mask): Likewise.
15453 (legitimate_pic_operand): Factor out some known invariants.
15454 (legitimize_pic_address): If we don't have a fixed pic register,
15455 then set up a pseudo in the function entry sequence. Handle the
15456 pic base being in a pseudo.
15457 (arm_load_pic_register): Handle the pic register being in a pseudo.
15458 (arm_expand_prologue): Only set up the pic register if it is fixed.
15459 (thumb_expand_prologue): Likewise.
15460 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15461 (pic_load_addr_based_insn): Likewise.
15462 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15465 2006-01-18 Ben Elliston <bje@au.ibm.com>
15467 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15468 decimal float modes for all floating point registers.
15470 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15471 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15473 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15476 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15477 even when the pointer is not NULL.
15479 2006-01-16 Ian Lance Taylor <ian@airs.com>
15481 * common.opt (ftoplevel-reorder): New option.
15482 * cgraph.c (cgraph_asm_nodes): New global variable.
15483 (cgraph_asm_last_node): New static variable.
15484 (cgraph_order): New global variable.
15485 (cgraph_create_node): Set new order field.
15486 (cgraph_varpool_node): Likewise.
15487 (decide_is_variable_needed): Return true if not
15488 flag_toplevel_reorder.
15489 (cgraph_add_asm_node): New function.
15490 * cgraph.h (struct cgraph_node): Add order field.
15491 (struct cgraph_varpool_node): Add order field.
15492 (struct cgraph_asm_node): Define.
15493 (cgraph_asm_nodes, cgraph_order): Declare.
15494 (cgraph_add_asm_node): Declare.
15495 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15497 (cgraph_varpool_assemble_pending_decls): Call it.
15498 (cgraph_output_pending_asms): New static function.
15499 (cgraph_finalize_compilation_unit): Call it.
15500 (struct cgraph_order_sort): Define.
15501 (cgraph_output_in_order): New static function.
15502 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15503 !flag_toplevel_reorder case.
15504 * c-parser.c: Include "cgraph.h".
15505 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15507 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15508 than -fno-unit-at-a-time.
15509 * doc/invoke.texi (Option Summary): Mention
15510 -fno-toplevel-reorder.
15511 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15512 -funit-at-a-time documentation.
15514 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15515 Kazu Hirata <kazu@codesourcery.com>
15517 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15519 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15521 * Makefile.in (FUNCTION_H): New. Use it instead of
15522 function.h throughout the file.
15523 * function.h: Include tree.h.
15525 2006-01-17 Ben Elliston <bje@au.ibm.com>
15527 * recog.c: Separate some functions with whitespace.
15529 2006-01-16 Richard Henderson <rth@redhat.com>
15531 Merge from gomp branch:
15532 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15533 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15534 and rename from struct inline_data. Rename callee* to dst*;
15535 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15536 transform_new_cfg, transform_return_to_modify, and
15537 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15539 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15540 (copy_decl_for_dup): Remove.
15541 * tree-inline.c (struct inline_data): Move to header.
15542 (insert_decl_map): Export.
15543 (remap_decl): Update for member name changes. Use copy_decl hook.
15544 Allow for replacement to be a non-decl. Remove dead code.
15545 (remap_type_1): Check for existing mapping.
15546 (remap_type): Export.
15547 (remap_decls): Update for member name changes.
15548 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15549 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15550 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15551 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15552 (tree_function_versioning, build_duplicate_type): Likewise.
15553 (copy_body_r): Likewise. Export.
15554 (copy_decl_for_dup): Split into ...
15555 (copy_decl_for_dup_finish, copy_decl_to_var,
15556 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15557 (replace_ref_tree, inlining_p): Remove.
15559 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15561 * ifcvt.c (if_convert): Make it static.
15562 * rtl.h: Remove the prototype for if_convert.
15564 * local-alloc.c (local_alloc): Make it static.
15565 * rtl.h: Remove the prototype for local_alloc.
15567 * loop.c (loop_optimize): Make it static.
15568 * cfgloop.h: Remove the prototype for loop_optimize.
15571 2006-01-16 DJ Delorie <dj@redhat.com>
15573 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15576 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15578 * pa.md: Disparage copies between general and floating-point registers
15579 in 32-bit move patterns.
15581 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15584 * Makefile.in (check-%): Depend on site.exp instead of
15585 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15588 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15590 * global.c (global_alloc): Make it static.
15591 * rtl.h: Remove the prototype for global_alloc.
15593 2006-01-16 Richard Guenther <rguenther@suse.de>
15595 * tree-ssa-alias.c (struct used_part): Add write_only field.
15596 (get_or_create_used_part_for): Initialize it to true.
15597 (create_overlap_variables_for): Don't create structure variables
15598 for structures that only are written to.
15599 (find_used_portions): Handle MODIFY_EXPR to track whether a
15600 structure is only written to.
15602 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15604 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15606 * basic-block.h: Remove the prototype for
15607 partition_hot_cold_basic_blocks.
15609 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15611 * cppspec.c (lang_specific_spec_functions): Remove.
15612 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15613 * gcc.h (lang_specific_spec_functions): Remove.
15614 * gccspec.c (lang_specific_spec_functions): Remove.
15616 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15618 * combine.c (record_value_for_reg): Invalidate registers
15620 (record_dead_and_set_regs_1): Likewise, by passing them to
15621 record_value_for_reg.
15622 (record_dead_and_set_regs): Invalidate stores made by a
15623 call. We do not combine across a call, but we still
15624 relied on equivalences.
15626 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15628 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15629 vrp_int_const_binop returning non-constant nodes.
15631 2006-01-16 Paul Brook <paul@codesourcery.com>
15633 * config/m68k/m68k.c (output_move_const_into_data_reg):
15634 Output correct mnemonic for mvz and mvs.
15636 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15638 * rtl-factoring.c: Add sequence abstraction algorithm.
15639 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15640 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15642 (block_has_preserve_label): New function.
15643 * common.opt: Register new pass.
15644 * Makefile.in: Ditto.
15646 * timevar.def: Ditto.
15647 * tree-pass.h: Ditto.
15648 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15649 * rtl.h (make_jump_insn_raw): Add forward decl.
15650 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15652 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15653 Roger Sayle <roger@eyesopen.com>
15655 * fold-const.c (fold_minmax): New static function.
15656 (fold_binary) <MIN_EXPR>: Call it.
15657 <MAX_EXPR>: Likewise.
15658 * stor-layout.c (place_field): Use DECL_SIZE consistently
15659 in the computation of the new record size.
15661 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15663 * cse.c (cse_condition_code_reg): Make it static.
15664 * rtl.h: Remove the prototype for cse_condition_code_reg.
15666 * combine.c (combine_instructions): Make it static.
15667 * rtl.h: Remove the prototype for combine_instructions.
15669 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15672 * tree.c (get_file_function_name_long): Concatenate the first global
15673 object name with a string derived from the input filename of the object
15676 2006-01-16 Ben Elliston <bje@au.ibm.com>
15678 * config/i386/winnt-stubs.c: Update FSF address.
15679 * config/xtensa/ieee754-df.S: Ditto.
15680 * config/xtensa/ieee754-sf.S: Ditto.
15682 2006-01-14 Ian Lance Taylor <ian@airs.com>
15684 * ifcvt.c (noce_init_if_info): New static function, broken out of
15685 noce_process_if_block.
15686 (noce_process_if_block): Call noce_init_if_info.
15687 (check_cond_move_block): New static function.
15688 (cond_move_process_if_block): New static function.
15689 (process_if_block): Call cond_move_process_if_block.
15691 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15693 * cselib.c (hash_table): Rename to cselib_hash_table.
15694 (cselib_clear_table, discard_useless_values,
15695 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15696 cselib_init, cselib_finish): Adjust uses of hash_table.
15698 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15700 PR tree-optimization/25485
15701 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15702 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15703 is known to be false and true, respectively.
15705 2006-01-14 Richard Guenther <rguenther@suse.de>
15707 PR tree-optimization/22548
15708 PR tree-optimization/22555
15709 PR tree-optimization/22501
15710 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15711 * params.def (salias-max-array-elements): New parameter.
15712 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15713 * doc/invoke.texi (salias-max-array-elements): Document.
15714 * tree-flow-inline.h (var_can_have_subvars): We also handle
15716 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15718 * tree-ssa-structalias.c (params.h): Include.
15719 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15720 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15721 (get_constraint_for): For ADDR_EXPR operating on something
15722 containing an ARRAY_REF, add all subvars to the solution.
15723 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15724 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15725 for creating MUST_DEFs.
15726 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15728 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15730 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15732 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15733 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15734 number_of_iterations_le): New functions.
15735 (number_of_iterations_special): Removed.
15736 (number_of_iterations_exit): Do not use number_of_iterations_special.
15737 * tree.c (unsigned_type_for): Always return integer type.
15739 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15740 Richard Guenther <rguenther@suse.de>
15742 PR rtl-optimization/24257
15743 * gcse.c (find_moveable_store): Only consider a store movable
15744 when the SET_SRC of the insn can be assigned to a register.
15746 2006-01-14 Ian Lance Taylor <ian@airs.com>
15748 * tree.c (tree_not_class_check_failed): New function.
15749 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15750 (tree_not_class_check_failed): Declare.
15752 2006-01-13 Ian Lance Taylor <ian@airs.com>
15754 * reload1.c (do_output_reload): Add assertion rejecting a
15757 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15759 * combine.c (struct reg_stat): Add new fields truncation_label and
15761 (record_value_for_reg): Reset truncated_to_mode.
15762 (record_truncated_value): New function.
15763 (check_promoted_subreg): Call it. Rename to check_conversions.
15764 (combine_instructions): Rename check_promoted_subreg to
15766 (reg_truncated_to_mode): New function.
15767 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15768 (gen_lowpart_or_truncate): New function.
15769 (force_to_mode): Use it instead of gen_lowpart.
15771 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15773 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15774 VAR is a tag, not its type tag.
15776 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15778 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15779 alternatives to match style of other entries.
15780 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15782 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15784 PR tree-optimization/25771
15785 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15788 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15791 * tree-inline.c (declare_return_variable): If the return variable
15792 was marked as a non gimple complex, set the return slot variable
15793 to be a non gimple comple variable.
15795 2006-01-13 Richard Guenther <rguenther@suse.de>
15797 * builtins.c (expand_builtin_sincos): New function.
15798 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15800 (expand_builtin): Expand sincos using expand_builtin_sincos.
15802 2006-01-12 DJ Delorie <dj@redhat.com>
15804 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15805 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15806 so that constant shifts can be split.
15807 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15808 (m32c_valid_pointer_mode): Make static.
15809 (shift_gen_func_for): New.
15810 (m32c_prepare_shift): Use it. Split large const shifts into
15812 * config/m32c/predicates.md (shiftcount_operand): Allow more
15814 (longshiftcount_operand): New.
15815 * doc/md.texi (Machine Constraints): Document In6.
15817 2006-01-13 Ben Elliston <bje@au.ibm.com>
15819 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15820 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15823 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15825 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15826 to try to avoid clobbering pieces of structures when we know
15827 something about the whole structure.
15828 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15830 2006-01-13 Ben Elliston <bje@au.ibm.com>
15832 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15833 return in memory, as this is no limitation is no longer present.
15835 2006-01-12 DJ Delorie <dj@redhat.com>
15837 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15838 mova with fb, and for fb+0 -> An.
15840 * config/m32c/mov.md (peephole2): Fix enabling logic.
15842 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15843 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15844 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15845 FINI_ARRAY_SECTION_ASM_OP): Define.
15847 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15849 (m32c_legitimize_reload_address): New logic to reload FB to An.
15850 (m32c_output_reg_push): Add newline.
15851 (m32c_output_reg_pop): Likewise.
15853 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15855 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15857 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15859 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15861 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15863 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15866 2006-01-11 Ben Elliston <bje@au.ibm.com>
15868 * rtlanal.c (find_reg_note): Assert insn is not null.
15870 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15872 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15875 2006-01-11 Jeff Law <law@redhat.com>
15877 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15879 (mark_threaded_blocks, register_jump_thread): New functions.
15880 (thread_through_all_blocks): Remove unwanted argument. No
15881 longer rely on e->aux to communicate thread target info.
15882 Call mark_threaded_blocks. Release the threaded_blocks
15883 bitmap and threaded_edges vector when complete.
15884 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15885 (threaded_blocks): Remove.
15886 (tree_ssa_dominator_optimize): Remove initialization and
15887 finalization of threaded_blocks. Simplify call to
15888 thread_through_all_blocks.
15889 (thread_across_edge): Call register_jump_thread rather than
15890 storing thread information into e->aux.
15891 (free_all_edge_infos): Simplify now that e->aux is no longer
15892 used to communicate with thread_through_all_blocks.
15893 * tree-flow.h (thread_through_all_blocks): Update prototype.
15894 (register_jump_thread): Prototype.
15896 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15898 * df-core.c (df_compact_blocks, df_bb_replace): Use
15899 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15901 2006-01-11 Richard Guenther <rguenther@suse.de>
15903 PR tree-optimization/25734
15904 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15905 stop propagation after successful propagation to the LHS.
15907 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15909 * basic-block.h (control_flow_graph): Change the type of
15910 x_basic_block_info to VEC(basic_block,gc) *.
15911 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15913 (SET_BASIC_BLOCK): New.
15914 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15915 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15916 * cfgbuild.c (find_basic_blocks): Likewise.
15917 * cfglayout.c (fixup_reorder_chain): Likewise.
15918 * cfgrtl.c (create_basic_block_structure,
15919 rtl_create_basic_block): Likewise.
15920 * ifcvt.c (find_if_case_1): Likewise.
15921 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15924 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15926 * Makefile.in: Removed rotted odf.c entry.
15928 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15931 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15932 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15933 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15934 output pattern modifier, not %e.
15935 * config/cris/cris.c (cris_op_str): Update comment about pattern
15937 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15938 before falling through into...
15939 <case 'E'>: Redefined from old 'e' case.
15941 2006-01-11 Jan Hubicka <jh@suse.cz>
15944 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15946 2006-01-11 Jan Hubicka <jh@suse.cz>
15948 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15949 * i386.c (x86_decompose_lea): Kill.
15950 (ix86_rtx_costs): Kill.
15952 2006-01-11 Jan Hubicka <jh@suse.cz>
15954 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15955 * cgraph.h (cgraph_node): Add inline_decl.
15956 (cgraph_insert_node_to_hashtable): Declare.
15957 (save_inline_function_body): Declare.
15958 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15960 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15961 (cgraph_function_versioning): Update call of tree_function_versioning.
15962 (save_inline_function_body): New function.
15963 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15964 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15965 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15966 (cgraph_default_inline_p): Likewise.
15967 (cgraph_decide_inlining_incrementally): Likewise.
15968 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15969 (copy_bb): Kill saving; do updating of clones.
15970 (copy_cfg_body): Kill saving.
15971 (initialize_inlined-parameters): Likewise.
15972 (expand_call_inline): Likewise.
15974 (tree_function_versioning): New parameter "update_clones".
15975 (inlining_p): Kill saving.
15976 * tree-inline.h (tree_function_versioning): Update prototype.
15977 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15980 2006-01-11 Ian Lance Taylor <ian@airs.com>
15982 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15983 Allow undoing set of machine mode.
15984 (do_SUBST): Use enums instead of is_int.
15985 (do_SUBST_MODE): New function.
15986 (SUBST_MODE): New macro.
15987 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15988 reg and trying to replace reg_regno_rtx with a new register.
15989 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15990 (simplify_set): Use SUBST_MODE.
15991 (distribute_notes): Remove code that tried to update reg notes
15992 for regno_reg_rtx changes.
15994 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15996 PR tree-optimization/23109
15997 PR tree-optimization/23948
15998 PR tree-optimization/24123
16000 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16001 * tree-cfg.c (single_noncomplex_succ): New.
16002 * tree-flow.h (single_noncomplex_succ): Declare it.
16003 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16004 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16005 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16006 insert_bb, register_division_in, insert_reciprocals,
16007 replace_reciprocal, free_bb): New.
16008 (execute_cse_reciprocals_1): Rewritten.
16009 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16010 Do not commit any edge insertion. Always compute dominators and
16011 create the allocation pool.
16012 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16013 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16014 * targhooks.c (default_min_divistions_for_recip_mul): New.
16015 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16016 * passes.c (init_optimization_passes): Run recip after tree loop
16018 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16020 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16021 Kenneth Zadeck <zadeck@naturalbridge.com>
16023 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16024 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16025 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16026 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16027 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16028 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16029 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16030 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16031 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16032 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16033 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16034 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16035 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16036 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16037 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16038 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16039 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16040 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16041 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16042 DF_SCAN_POST_ALLOC): New macros.
16043 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16044 df_free_bb_function, df_local_compute_function, df_init_function,
16045 df_dataflow_function, df_confluence_function_0,
16046 df_confluence_function_n, df_transfer_function,
16047 df_finalizer_function, df_free_function, df_dump_problem_function,
16048 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16049 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16050 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16051 df_urec_bb_info, ) New types.
16052 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16054 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16055 df_analyze_simple_change_some_blocks,
16056 df_analyze_simple_change_one_block, df_compact_blocks,
16057 df_bb_replace, df_bb_regno_last_use_find,
16058 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16059 df_insn_regno_def_p, df_find_def, df_find_use,
16060 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16061 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16062 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16063 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16064 debug_df_chain, df_get_dependent_problem, df_chain_create,
16065 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16066 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16067 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16068 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16069 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16070 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16071 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16072 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16073 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16074 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16075 df_reorganize_refs, df_set_state, df_hard_reg_init,
16076 df_read_modify_subreg_p) New public functions.
16077 * df-core.c: The core dataflow solver and glue routines for rtl
16079 (df_init, df_add_problem, df_set_blocks, df_finish,
16080 df_hybrid_search_forward, df_hybrid_search_backward,
16081 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16082 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16083 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16084 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16085 df_reg_defined, df_find_use, df_reg_used, df_dump,
16086 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16087 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16088 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16089 debug_df_useno, reset_df_after_reload): New functions.
16090 * df-scan.c: The scanning fuctions, once in df.c, completely
16091 rewritten so that they now fully model the functionality of
16092 register usage at the backend.
16093 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16094 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16095 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16096 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16097 df_get_artificial_defs, df_get_artificial_uses,
16098 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16099 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16100 df_refs_delete, df_reorganize_refs, df_set_state,
16101 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16102 df_def_record_1, df_defs_record, df_uses_record,
16103 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16104 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16105 df_record_exit_block_uses, df_hard_reg_init): New functions.
16107 * df-problems.c: Seven concrete dataflow problems that use the
16108 scanning in df-scan.c and are solved by the engine in df-core.c.
16109 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16110 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16111 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16112 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16113 df_ru_free_bb_info, df_ru_alloc,
16114 df_ru_bb_local_compute_process_def,
16115 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16116 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16117 df_ru_transfer_function, df_ru_free, df_ru_dump,
16118 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16119 df_rd_free_bb_info, df_rd_alloc,
16120 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16121 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16122 df_rd_transfer_function, df_rd_free, df_rd_dump,
16123 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16124 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16125 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16126 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16127 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16128 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16129 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16130 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16131 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16132 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16133 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16134 df_urec_mark_reg_use_for_earlyclobber,
16135 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16136 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16137 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16138 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16139 df_chain_create_bb_process_use, df_chain_create_bb,
16140 df_chain_finalize, df_chain_free, df_chains_dump,
16141 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16142 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16143 df_reg_lifetime): New functions.
16144 * df.c: Deleted file.
16145 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16146 consistent with new df api.
16147 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16148 rest_of_handle_sms): Ditto.
16149 * web.c (unionfind_union, union_defs, entry_register, web_main):
16151 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16152 invariant_expr_equal_p, find_defs, check_dependencies,
16153 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16154 free_inv_motion_data, move_loop_invariants): Ditto.
16155 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16156 Update dependencies.
16157 (odf.c): Added defective entry that was deleted later in day.
16158 * sched-deps.c (sched_analyze_1): Ditto.
16160 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16162 * tree-ssa-operands.c (get_expr_operands): Record addressable
16163 variables directly. Do not call add_stmt_operands for CONST_DECLs
16165 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16166 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16168 2006-01-11 Ben Elliston <bje@au.ibm.com>
16170 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16171 function returns true in the positive case.
16173 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16176 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16177 for SI, DI, SF and DF modes. Add alternatives to copy between
16178 general and floating point registers to the 32-bit patterns.
16179 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16180 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16181 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16182 generating 64-bit code.
16183 * config/pa/pa.c (output_move_double): Handle copies between general
16184 and floating registers.
16186 2006-01-10 Stuart Hastings <stuart@apple.com>
16188 * config/i386/i386.md (set_got): Update.
16189 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16190 (builtin_setjmp_receiver): Mach-O support.
16191 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16192 (GOT_SYMBOL_NAME): Define.
16193 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16194 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16195 * config/i386/i386.c (override_options): Revise for Darwin.
16196 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16197 support. (darwin_x86_file_end): New. (output_set_got): Add label
16198 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16199 * config/i386/i386-protos.h (output_set_got): Likewise.
16200 * config/darwin.c (machopic_legitimize_pic_address): Update
16203 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16205 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16206 when MODE isn't BLKmode.
16208 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16210 PR rtl-optimization/25367
16211 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16213 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16216 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16217 for a negative bound.
16219 2006-01-10 Richard Guenther <rguenther@suse.de>
16221 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16222 Never override with anything constraint.
16224 2006-01-10 Jan Beulich <jbeulich@novell.com>
16226 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16227 256 bits when optimize_size.
16229 2006-01-10 Jan Beulich <jbeulich@novell.com>
16231 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16233 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16234 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16237 2006-01-10 Ben Elliston <bje@au.ibm.com>
16239 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16241 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16242 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16243 (USE_FP_FOR_ARG): Reject decimal float modes.
16244 (function_arg_advance): Likewise.
16245 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16246 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16247 point types in AltiVec vectors.
16248 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16249 (rs6000_libcall_value): Likewise.
16251 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16253 * config/xtensa/ieee754-df.S: New file.
16254 * config/xtensa/ieee754-sf.S: New file.
16255 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16256 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16257 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16259 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16261 * config/sh/predicates.md (binary_float_operator,
16262 binary_logical_operator, commutative_float_operator,
16263 equality_comparison_operator, greater_comparison_operator,
16264 less_comparison_operator, logical_operator,
16265 noncommutative_float_operator, shift_operator,
16266 symbol_ref_operand, unary_float_operator): Remove redundant
16269 2006-01-09 Jeff Law <law@redhat.com>
16271 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16272 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16273 now unused arguments. Callers updated.
16274 (eliminate_redundant_computations): Remove now unused arguments,
16276 (local_fold): Remove, no longer used.
16277 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16279 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16280 (simplify_cond): New function.
16281 (forward_propagate_into_cond): Call simplify_cond.
16283 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16285 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16286 (*vec_extractv2di_1_sse): New.
16288 2006-01-09 Ben Elliston <bje@au.ibm.com>
16290 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16292 2006-01-08 Richard Guenther <rguenther@suse.de>
16294 * tree-ssa-structalias.c (get_constraint_for): Remove
16295 anyoffset argument.
16296 (get_constraint_for_component_ref): Likewise.
16297 (do_deref): Likewise.
16298 (get_constraint_for): Likewise.
16299 (do_structure_copy): Likewise.
16300 (handle_ptr_arith): Likewise.
16301 (find_func_aliases): Likewise. Remove unused need_anyoffset
16304 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16305 Kaz Kojima <kkojima@gcc.gnu.org>
16307 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16308 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16309 (EXTRA_CONSTRAINT_C16): Remove.
16310 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16311 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16312 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16313 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16314 constants of SHmedia. Handle nested constant expressions of
16316 (andcosts): Fix the costs for SHmedia constants.
16317 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16318 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16319 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16320 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16321 (movv4hi_i, movv2si_i): Likewise.
16322 (movsi_const): Adjust the second operand of ior so to match with
16323 the Csu constraint.
16324 (movdi_const, movdi_const_32bit): Likewise.
16325 (movdi_const_16bit+1): Don't sign-extend LOW.
16326 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16328 (*double_shori): Fix the split condition. Use GEN_INT instead
16329 of get_int_mode calls. Mask lower 16-bit of the argument of
16331 (sym2GOTPLT): Remove.
16332 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16334 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16335 instead of EXTRA_CONSTRAINT_C16.
16337 2006-01-07 Ian Lance Taylor <ian@airs.com>
16338 David Edelsohn <edelsohn@gnu.org>
16340 PR rtl-optimization/25662
16341 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16342 for constant operands instead of simplify_gen_binary.
16343 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16344 after trying simplify_binary_operation
16346 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16348 * tree.c (iterative_hash_expr): Hash decls based on UID.
16350 2006-01-06 Eric Christopher <echristo@apple.com>
16352 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16353 (TARGET_UNWIND_EMIT): Fix spelling.
16354 * target.h (gcc_target): Add except_table_label.
16355 * except.c (output_function_exception_table): Use.
16356 * varasm.c (default_emit_except_table_label): New.
16357 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16359 (asm_out): Add here.
16360 * output.h (default_emit_except_table_label): Prototype.
16361 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16362 * config/darwin.c (darwin_emit_except_table_label): Define.
16363 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16365 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16367 PR tree-optimization/18527
16368 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16369 number_of_iterations_special, number_of_iterations_exit):
16370 Move base and step of an iv to a single structure. Add
16371 no_overflow flag, and use it in # of iterations analysis.
16372 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16373 folded_casts argument.
16374 (simple_iv): Pass base and step in a structure. Set no_overflow
16376 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16377 Evaluate expensiveness of computing # of iterations instead of
16378 the final expression.
16379 * tree-scalar-evolution.h (affine_iv): New structure.
16380 (simple_iv): Declaration changed.
16381 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16382 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16383 find_givs_in_stmt): Changed due to simple_iv change.
16385 2006-01-06 Jeff Law <law@redhat.com>
16388 * tree-cfg.c (bsi_replace): Rename final argument from
16389 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16390 change (stmt -> orig_stmt).
16391 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16392 (bsi_remove): Add new argument. Remove EH information
16394 (verify_eh_throw_table_statements): New function.
16395 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16397 * tree-optimize.c (execute_free_cfg_annotations): Verify
16398 the EH throw statement table after removing annotations.
16399 * except.h (verify_eh_throw_table_statements): Prototype.
16400 * tree-flow.h (bsi_remove): Update prototype.
16401 * tree-vrp.c (remove_range_assertions): Add new argument to
16403 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16404 * tree-complex.c (expand_complex_div_wide): Likewise.
16405 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16406 * tree-tailcall.c (eliminate_tailcall): Likewise.
16407 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16408 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16409 * tree-nrv.c (tree_nrv): Likewise.
16410 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16411 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16412 (combine_blocks): Likewise.
16413 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16414 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16415 (cleanup_control_flow): Likewise.
16416 (remove_forwarder_block): Likewise.
16417 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16418 * tree-sra.c (sra_replace): Likewise.
16419 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16420 (forward_propagate_single_use_vars): Likewise.
16421 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16422 * tree-inline.c (expand_call_inline): Likewise.
16423 * tree-vect-transform.c (vect_transform_loop): Likewise.
16424 * tree-outof-ssa.c (rewrite_trees): Likewise.
16425 * tree-cfg.c (make_goto_expr_edges): Likewise.
16426 (cleanup_dead_labels): Likewise.
16427 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16428 (bsi_move_before, bsi_move_after): Likewise.
16429 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16430 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16432 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16435 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16437 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16438 on non gimple variables. Also add checks at the top for decls and
16440 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16442 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16443 and IMAGPART_EXPR for creating MUST_DEFs.
16444 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16445 and NAME_MEMORY_TAG separately from the DECLs.
16447 2006-01-06 Richard Guenther <rguenther@suse.de>
16449 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16450 annotation, if necessary.
16451 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16452 redundant calls to update_stmt.
16453 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16456 2006-01-05 Richard Henderson <rth@redhat.com>
16458 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16460 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16462 * c-typeck.c: Update copyright date.
16464 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16466 * c-typeck.c (build_c_cast): Always warn when casting
16467 from a pointer to an integer of different size, even if
16468 the node was constant.
16470 2006-01-05 Richard Guenther <rguenther@suse.de>
16472 PR tree-optimization/22555
16473 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16474 if one structure field is an array.
16475 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16476 operands even if we found a subvar, but ignore VOPs in this
16478 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16480 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16482 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16484 PR middle-end/24998
16485 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16487 2006-01-05 Richard Guenther <rguenther@suse.de>
16488 Diego Novillo <dnovillo@redhat.com>
16490 * tree-pass.h (TODO_remove_unused_locals): Define.
16491 * gimple-low.c (expand_var_p, remove_useless_vars,
16492 pass_remove_useless_vars): Remove. Update all users.
16493 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16494 (remove_unused_locals): New function.
16495 * tree-flow.h (remove_unused_locals): Declare.
16496 * passes.c (execute_todo): Call remove_unused_locals if
16497 TODO_remove_unused_locals is set.
16498 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16499 * tree-ssa-dce.c (pass_dce): Likewise.
16500 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16502 2006-01-05 Richard Guenther <rguenther@suse.de>
16504 * tree-flow.h (struct fieldoff): Decompose field to
16505 type, size and decl.
16506 * tree-ssa-alias.c (create_sft): Take type as parameter.
16507 (create_overlap_variables_for): Store type, size and decl
16508 in the fieldoff structure.
16509 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16510 of struct fieldoff.
16511 (push_fields_onto_fieldstack): Likewise.
16512 (create_variable_info_for): Likewise. Use offset for the
16513 SFT name if the decl is not available.
16515 2006-01-04 Paul Brook <paul@codesourcery.com>
16517 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16519 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16521 * lambda-code.c (can_put_in_inner_loop): Relax
16523 (can_put_after_inner_loop): New function.
16524 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16525 (perfect_nestify): Change to make copies and modify uses.
16527 2006-01-04 Richard Henderson <rth@redhat.com>
16529 Merge from gomp branch:
16530 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16531 via integer constant.
16532 (pragma_lex): Remove.
16533 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16534 rather than parsing it.
16535 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16536 handle_pragma_extern_prefix): Add %< %> quotes.
16537 (registered_pragmas): New.
16538 (c_register_pragma_1): New.
16539 (c_register_pragma): Use it.
16540 (c_register_pragma_with_expansion): Likewise.
16541 (c_invoke_pragma_handler): New.
16542 (init_pragma): Use cpp_register_deferred_pragma directly for
16544 * c-pragma.h (enum pragma_kind): New.
16545 (pragma_handler): New.
16546 (c_invoke_pragma_handler): Declare.
16547 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16549 * c-common.h (c_common_pch_pragma): Update decl.
16550 * Makefile.in (c-parser.o): Update dependencies.
16551 (GTFILES): Add c-pragma.h.
16552 * c-parser.c (struct c_token): Add pragma_kind.
16553 (struct c_parser): Add in_pragma.
16554 (c_lex_one_token): Always initialize keyword and pragma_kind.
16555 Extract data for CPP_PRAGMA.
16556 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16557 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16558 Don't allow CPP_PRAGMA_EOL if in_pragma.
16559 (c_parser_consume_pragma): New.
16560 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16561 (c_parser_skip_to_end_of_parameter): Likewise.
16562 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16563 (c_parser_skip_to_pragma_eol): New.
16564 (c_parser_external_declaration): Handle CPP_PRAGMA.
16565 (c_parser_compound_statement_nostart): Likewise.
16566 (c_parser_statement_after_labels): Likewise.
16567 (c_parser_pragma): New.
16568 (pragma_lex): Likewise.
16569 (c_parser_pragma_pch_preprocess): New.
16570 (c_parser_new): Merge into ...
16571 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16573 2006-01-04 Jeff Law <law@redhat.com>
16576 * tree-cfg.c (bsi_replace): Remove the original statement
16577 from the EH throw statement table.
16579 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16581 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16582 make the prototype extern "C" and add throw ().
16585 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16586 and pos non-negative and pos + len <= 32.
16587 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16588 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16589 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16592 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16593 as well as sizes not multiple of component size.
16596 * function.c (instantiate_expr): New function.
16597 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16598 walk its DECL_VALUE_EXPR with instantiate_expr.
16600 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16601 DW_OP_deref{,_size} if address isn't going to be added.
16603 2006-01-04 Ben Elliston <bje@au.ibm.com>
16605 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16606 * config/fp-bit.c: Likewise.
16608 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16610 * dominance.c: Add comment about why we use DFS numbering
16613 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16614 Richard Henderson <rth@redhat.com>
16616 Merge from gomp-branch:
16617 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16618 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16620 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16622 PR rtl-optimization/25578
16623 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16624 pass a parameter to simplify_shift_const if changing ASHIFTRT
16627 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16629 * builtins.c (get_builtin_sync_mem): New function.
16630 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16631 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16632 Call get_builtin_sync_mem to generate mem rtx.
16634 2006-01-03 Richard Guenther <rguenther@suse.de>
16637 * stmt.c (add_case_node): Make sure to clear overflow flags
16640 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16642 Merge from gomp-branch.
16643 * config/sparc/sync.md: New file.
16644 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16645 UNSPECV_LDSTUB): New constants.
16646 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16647 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16648 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16651 2006-01-03 Roger Sayle <roger@eyesopen.com>
16653 * combine.c (reg_subword_p): New predicate to test whether the
16654 destination of a set refers to a subword/piece of a register.
16655 (try_combine): Generalize the code to merge the setting of a
16656 pseudo to a constant followed by a set of a subword of that
16657 register to a constant.
16659 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16661 * basic-block.h (control_flow_graph): Change the type of
16662 x_label_to_block_map to VEC(basic_block,gc) *.
16663 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16664 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16666 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16667 VEC(basic_block,heap) *.
16668 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16669 ssa_prop_fini): Adjust the uses of cfg_blocks.
16671 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16673 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16675 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16676 hashing trees instead of a pointer hash.
16677 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16678 compare for MEM_EXPR.
16680 PR rtl-optimization/25130
16681 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16682 when comparing MEMs for GCSE
16684 2006-01-03 Ben Elliston <bje@au.ibm.com>
16686 * targhooks.h (default_decimal_float_supported_p): Declare.
16687 * targhooks.c (default_decimal_float_supported_p): Define.
16688 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16689 `default_decimal_float_supported_p'.
16690 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16692 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16694 * combine.c (apply_distributive_law <SUBREG>): Check
16695 TRULY_NOOP_TRUNCATION.
16697 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16699 * dwarf2out.c (have_switched_text_section): Delete.
16700 (have_multiple_function_sections): New.
16701 (have_location_lists): Make 'bool'.
16702 (add_AT_loc_list): Use 'true' not '1'.
16703 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16704 (output_loc_list): Use have_multiple_function_sections.
16705 (output_ranges): Likewise.
16706 (dwarf2out_begin_function): Set have_multiple_function_sections if
16708 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16709 Check function_section rather than DECL_SECTION_NAME.
16710 (dwarf2out_finish): Use have_multiple_function_sections.
16711 Don't clear have_location_lists.
16713 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16714 Jan Hubicka <jh@suse.cz>
16716 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16717 case of conditional jump jumping to the next instruction.
16718 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16719 cases of conditional jump jumping to the next instruction.
16721 2006-01-02 Jan Hubicka <jh@suse.cz>
16723 * i386.c (*_cost): Add COSTS_N_INSNS.
16724 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16726 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16729 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16731 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16733 * config/arm/arm.c (all_fpus): Fix comment typo.
16734 * config/darwin.c: Likewise.
16735 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16736 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16737 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16739 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16741 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16742 (rs6000_split_compare_and_swapqhi): New.
16743 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16744 (sync_compare_and_swapqhi_internal): New.
16745 * config/rs6000/rs6000-protos.h: Declare.