1 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
4 (remainder_optab): Define corresponding macro.
6 * optabs.c (init_optabs): Initialize remainder_optab. Remove
7 drem_optab initialization.
8 * genopinit.c (optabs): Implement remainder_optab using
9 remainder?f3 patterns. Remove drem_optab.
10 * builtins.c (expand_builtin_mathfn_2): Handle
11 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
12 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
13 expand_builtin_mathfn_2.
15 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
16 depend on flag_unsafe_math_optimizations.
18 * config/i386/i386.md ("remaindersf3", "remainderdf3")
19 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
20 Do not depend on flag_unsafe_math_optimizations. Use
21 truncxf?f expander instead of truncxf?f_i387_noop.
23 ("fpremxf4", "fprem1xf4"): Do not depend on
24 flag_unsafe_math_optimizations.
25 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
26 flag_unsafe_math_optimizations. Use truncxf?f expander
27 instead of truncxf?f_i387_noop.
29 * doc/md.texi (fmod, remainder): Document standard named pattern.
31 2006-10-24 Richard Sandiford <richard@codesourcery.com>
32 David Daney <ddaney@avtrex.com>
35 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
37 2006-10-25 Ben Elliston <bje@au.ibm.com>
39 * doc/extend.texi (Variable Attributes): Typo fix.
41 2006-10-24 Uros Bizjak <uros@kss-loka.si>
43 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
44 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
45 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
46 (FRAME_POINTER_REGNUM): Update register number to 21.
47 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
48 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
50 * config/i386/i386.c (regclass_map): Add fpcr entry.
51 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
53 (print_reg): Assert REGNO (x) != FPCR_REG.
55 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
56 (DIRFLAG_REG): Renumber.
57 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
58 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
59 (sse_prologue_save, *sse_prologue_save_insn): Renumber
60 hardcoded SSE register numbers.
62 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
63 hardcoded MMX register numbers.
65 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
68 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
69 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
71 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
72 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
73 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
74 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
76 2006-10-24 Richard Guenther <rguenther@suse.de>
79 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
80 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
81 for deciding optimizations in consistency with fold-const.c
82 (fold_builtin_unordered_cmp): Likewise.
84 2006-10-24 Richard Guenther <rguenther@suse.de>
86 * builtins.c (fold_builtin_floor): Fold floor (x) where
87 x is nonnegative to trunc (x).
88 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
89 nonnegative to FIX_TRUNC_EXPR.
91 2006-10-24 Richard Guenther <rguenther@suse.de>
93 PR tree-optimization/29567
94 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
95 for TRUTH_NOT_EXPR. Clarify comments.
97 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
100 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
101 at compile-time using MPFR. Change parameter VALUE to FUNC,
103 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
104 for overflow and underflow at all times and avoid folding in
107 2006-10-24 Ben Elliston <bje@au.ibm.com>
109 * reload1.c: Formatting fixes.
111 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
113 PR tree-optimization/14784
114 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
115 * tree-ssa-structalias.c (get_constraint_for,
116 intra_create_variable_infos): Set is_heapvar.
117 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
118 non-heapvar pointer variables specially.
120 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
123 * builtins.c (fold_builtin_sin, fold_builtin_cos,
124 fold_builtin_tan): Fold all constant arguments. Take a "type"
125 argument as necessary.
127 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
129 2006-10-23 Bob Wilson <bob.wilson@acm.org>
131 * config/xtensa/lib1funcs.asm: Use C-style comments.
133 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
135 * tree.c (local_define_builtin): Replace calls to
136 lang_hooks.builtin_function with add_builtin_function.
137 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
139 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
141 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
142 common code to add_builtin_function.
143 * langhooks.c (add_builtin_function): New function.
144 (lhd_builtin_function): New function.
145 * langhooks.h (struct lang_hooks): Change the signature of
147 (add_builtin_function): New function.
148 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
149 calls to lang_hooks.builtin_function with add_builtin_function.
150 * c-common.c (decl_builtin_1): Replace calls to
151 lang_hooks.builtin_function with add_builtin_function.
152 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
153 lang_hooks.builtin_function with add_builtin_function.
154 * config/frv/frv.c (def_builtin): Replace calls to
155 lang_hooks.builtin_function with add_builtin_function.
156 * config/s390/s390.c (s390_init_builtins): Replace calls to
157 lang_hooks.builtin_function with add_builtin_function.
158 * config/sparc/sparc.c (def_builtin): Replace calls to
159 lang_hooks.builtin_function with add_builtin_function.
160 * config/i386/i386.c (def_builtin): Replace calls to
161 lang_hooks.builtin_function with add_builtin_function.
162 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
163 lang_hooks.builtin_function with add_builtin_function.
164 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
165 lang_hooks.builtin_function with add_builtin_function.
166 * config/stormy16/stormy16.c (xstormy16_init_builtins):
167 Replace calls to lang_hooks.builtin_function with
168 add_builtin_function.
169 * config/iq2000/iq2000.c (def_builtin):
170 Replace calls to lang_hooks.builtin_function with
171 add_builtin_function.
172 * config/ia64/ia64.c (def_builtin): Replace calls to
173 lang_hooks.builtin_function with add_builtin_function.
174 * config/rs6000/rs6000.c (def_builtin): Replace calls to
175 lang_hooks.builtin_function with add_builtin_function.
176 (altivec_init_builtins): Replace calls to
177 lang_hooks.builtin_function with add_builtin_function.
178 * config/arm/arm.c (def_mbuiltin): Replace calls to
179 lang_hooks.builtin_function with add_builtin_function.
180 (arm_init_tls_builtins): Replace calls to
181 lang_hooks.builtin_function with add_builtin_function.
182 * config/mips/mips.c (mips_init_builtins): Replace calls to
183 lang_hooks.builtin_function with add_builtin_function.
184 * config/bfin/bfin.c (def_builtin): Replace calls to
185 lang_hooks.builtin_function with add_builtin_function.
186 * langhooks-def.h (lhd_builtin_function): New function.
187 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
189 2006-10-23 Jakub Jelinek <jakub@redhat.com>
191 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
192 BUILT_IN_STRNCAT_CHK.
194 2006-10-23 Jan Hubicka <jh@suse.cz>
196 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
197 don't do conversion from memmove to memcpy here.
198 (expand_builtin_bcopy, expand_builtin): Update call of
199 expand_builtin_memmove.
200 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
202 2006-10-23 Paul Brook <paul@codesourcery.com>
204 * stor-layout.c (start_record_layout): maximum_field_alignment
205 overrides STRUCTURE_SIZE_BOUNDARY.
207 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
209 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
210 nonlocal function symbols if flag_pic.
212 2006-10-23 Richard Guenther <rguenther@suse.de>
216 * builtins.c (fold_binary): Remove checks for flag_wrapv
217 and flag_trapv where negate_expr_p covers these cases.
219 2006-10-23 Richard Guenther <rguenther@suse.de>
222 * fold-const.c (fold_plusminus_mult_expr): Check exact power
223 of two on the absolute value.
224 (fold_binary): Fold x * -C to -x * C if x is easily negatable
225 and negating -C does not overflow.
227 2006-10-23 Richard Guenther <rguenther@suse.de>
230 * convert.c (convert_to_real): Fold (float)-x to -(float)x
231 only if not flag_rounding_math.
233 2006-10-22 Richard Sandiford <richard@codesourcery.com>
234 Kaz Kojima <kkojima@gcc.gnu.org>
237 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
238 SImode memory reference for the source of a movua.
239 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
240 (movua): Use an unspec instead of sign_extract. Expect the source
241 to have mode BLKmode.
242 (extv, insv): Use a BLKmode rather than SImode memory reference
243 for the source of a movua.
245 2006-10-22 Jeff Law <law@redhat.com>
246 Richard Guenther <rguenther@suse.de>
248 PR tree-optimization/15911
249 * tree-vrp.c (extract_code_and_val_from_cond): New function.
250 (register_edge_assert_for_1): Likewise.
251 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
252 (find_conditional_asserts): Adjust for new function signature.
253 (find_assert_locations): Likewise.
255 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
257 * config/i386/tmmintrin.h: Remove the duplicated content.
259 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
261 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
262 (x86_64-*-*): Likewise.
264 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
265 (override_options): Check SSSE3.
266 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
267 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
268 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
269 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
270 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
271 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
272 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
273 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
274 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
275 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
276 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
277 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
278 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
279 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
280 IX86_BUILTIN_PABSD128.
281 (bdesc_2arg): Add SSSE3.
282 (bdesc_1arg): Likewise.
283 (ix86_init_mmx_sse_builtins): Support SSSE3.
284 (ix86_expand_builtin): Likewise.
285 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
287 * config/i386/i386.md (UNSPEC_PSHUFB): New.
288 (UNSPEC_PSIGN): Likewise.
289 (UNSPEC_PALIGNR): Likewise.
290 Include mmx.md before sse.md.
292 * config/i386/i386.opt: Add -mssse3.
294 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
295 (ssse3_phaddwv4hi3): Likewise.
296 (ssse3_phadddv4si3): Likewise.
297 (ssse3_phadddv2si3): Likewise.
298 (ssse3_phaddswv8hi3): Likewise.
299 (ssse3_phaddswv4hi3): Likewise.
300 (ssse3_phsubwv8hi3): Likewise.
301 (ssse3_phsubwv4hi3): Likewise.
302 (ssse3_phsubdv4si3): Likewise.
303 (ssse3_phsubdv2si3): Likewise.
304 (ssse3_phsubswv8hi3): Likewise.
305 (ssse3_phsubswv4hi3): Likewise.
306 (ssse3_pmaddubswv8hi3): Likewise.
307 (ssse3_pmaddubswv4hi3): Likewise.
308 (ssse3_pmulhrswv8hi3): Likewise.
309 (ssse3_pmulhrswv4hi3): Likewise.
310 (ssse3_pshufbv16qi3): Likewise.
311 (ssse3_pshufbv8qi3): Likewise.
312 (ssse3_psign<mode>3): Likewise.
313 (ssse3_psign<mode>3): Likewise.
314 (ssse3_palignrti): Likewise.
315 (ssse3_palignrdi): Likewise.
316 (abs<mode>2): Likewise.
317 (abs<mode>2): Likewise.
319 * config/i386/tmmintrin.h: New file.
321 * doc/extend.texi: Document SSSE3 built-in functions.
323 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
325 2006-10-22 Ira Rosen <irar@il.ibm.com>
327 * tree-vect-transform.c (vectorizable_load): Use the type of the
328 return value of the mask_for_load builtin to create realign_load
331 2006-10-22 Richard Sandiford <richard@codesourcery.com>
333 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
336 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
338 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
339 (UNSPEC_LDDQU): This.
340 * config/i386/sse.md (sse3_lddqu): Updated.
342 2006-10-21 Richard Guenther <rguenther@suse.de>
344 * builtins.c (expand_builtin_int_roundingfn_2): New function.
345 (expand_builtin): Use it to expand lrint instead of
346 expand_builtin_mathfn.
348 2006-10-21 Uros Bizjak <uros@kss-loka.si>
351 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
352 flag_unsafe_math_optimizations is set.
354 2006-10-21 Uros Bizjak <uros@kss-loka.si>
357 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
358 patterns to use memory input operand in x87->mem->XMM
359 reload sequences. Skip transformation for TARGET_K8.
361 2006-10-21 Uros Bizjak <uros@kss-loka.si>
363 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
364 force operand1 to register if both operands are memory operands.
365 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
366 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
367 if both operands are memory operands.
368 (truncdfsf2): Do not force operand1 to register if both operands
371 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
373 * Makefile.in (LIBS): Add $(GMPLIBS).
374 * doc/install.texi: Update GMP and MPFR requirements.
375 * doc/sourcebuild.texi (need_gmp): Delete.
377 2006-10-21 Richard Guenther <rguenther@suse.de>
379 PR tree-optimization/3511
380 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
381 got new invariant arguments during PHI translation.
383 2006-10-21 Richard Guenther <rguenther@suse.de>
386 * fold-const.c (fold_comparison): Fold signed comparisons
387 of the form X +- C1 CMP Y +- C2.
389 2006-10-21 Richard Guenther <rguenther@suse.de>
392 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
393 if flag_unsafe_math_optimizations is specified. We have
394 flag_finite_math_only for that.
395 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
396 or flag_unsafe_math_optimizations.
398 2006-10-21 Richard Guenther <rguenther@suse.de>
400 * builtins.c (fold_builtin_classify): Fix typo.
402 2006-10-21 Richard Guenther <rguenther@suse.de>
405 * simplify-rtx.c (simplify_const_relational_operation):
406 Do not constant-fold ORDERED and UNORDERED for
407 flag_unsafe_math_optimizations but only we do not need to
408 honor NaNs for the given mode.
410 2006-10-21 Richard Guenther <rguenther@suse.de>
413 * config/i386/i386.c (classify_argument): Remove redundant
414 walking of the BINFOs.
415 (contains_128bit_aligned_vector_p): Likewise.
417 2006-10-20 Mark Mitchell <mark@codesourcery.com>
419 * BASE-VER: Set to 4.3.0.
421 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
423 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
424 (tree_decl_with_vis): Remove artificial_pta_var flag.
425 * tree-flow.h (referenced_var_check_and_insert): Expose.
426 (nonlocal_all): New prototype.
427 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
428 (nonlocal_all): Make global.
429 (nonlocal_lookup): Remove.
430 (nonlocal_insert): Ditto.
431 (create_nonlocal_var): Do not call nonlocal_insert.
432 (get_nonlocal_id_for_type): Remove.
433 (find_global_initializers): Mark new vars we find for renaming.
434 (intra_create_variable_infos): Only create one nonlocal.
435 (expand_nonlocal_solutions): Remove.
436 (compute_points_to_sets): Don't call it.
437 (ipa_pta_execute): Ditto.
438 (init_alias_heapvars): Don't create nonlocal_for_type.
439 (delete_alias_heapvars): Don't remove it.
440 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
443 2006-10-19 Brooks Moses <bmoses@stanford.edu>
445 * doc/install.texi (Downloading GCC): Clarify mention of
446 Fortran in the "full distribution" description.
448 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
450 Fix PR tree-optimization/28778
451 Fix PR tree-optimization/29156
452 Fix PR tree-optimization/29415
453 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
454 (tree_decl_with_vis): Add artificial_pta_var flag.
455 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
457 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
458 (nonlocal_all): Ditto.
459 (struct variable_info): Add directly_dereferenced member.
460 (var_escaped_vars): New variable.
461 (escaped_vars_tree): Ditto.
462 (escaped_vars_id): Ditto.
463 (nonlocal_vars_id): Ditto.
464 (new_var_info): Set directly_dereferenced.
465 (graph_size): New variable
466 (build_constraint_graph): Use graph_size.
467 (solve_graph): Don't process constraints that cannot change the
468 solution, don't try to propagate an empty solution to our
470 (process_constraint): Set directly_dereferenced.
471 (could_have_pointers): New function.
472 (get_constraint_for_component_ref): Don't process STRING_CST.
473 (nonlocal_lookup): New function.
474 (nonlocal_insert): Ditto.
475 (create_nonlocal_var): Ditto.
476 (get_nonlocal_id_for_type): Ditto.
477 (get_constraint_for): Allow results vector to be empty in the case
479 Handle results of calls properly.
480 (update_alias_info): Update alias info stats on number and type of
482 (find_func_aliases): Use could_have_pointers.
483 (make_constraint_from_escaped): Renamed from
484 make_constraint_to_anything, and changed to make constraints from
486 (make_constraint_to_escaped): New function.
487 (find_global_initializers): Ditto.
488 (create_variable_info_for): Make constraint from escaped to any
489 global variable, and from any global variable to the set of
491 (intra_create_variable_infos): Deal with escaped instead of
492 pointing to anything.
493 (set_uids_in_ptset): Do type pruning on directly dereferenced
495 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
496 (init_base_vars): Fix comment, and initialize escaped_vars.
497 (need_to_solve): Removed.
498 (find_escape_constraints): New function.
499 (expand_nonlocal_solutions): Ditto.
500 (compute_points_to_sets): Call find_escape_constraints and
501 expand_nonlocal_solutions.
502 (delete_points_to_sets): Don't fall off the end of the graph.
503 (init_alias_heapvars): Initialize nonlocal_for_type and
505 (delete_alias_heapvars): Free nonlocal_for_type and null out
508 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
510 * fold-const.c (add_double): Rename to add_double_with_sign.
511 Add 'unsigned_p' parameter and take it into account for the overflow.
512 (mul_double): Rename to mul_double_with_sign.
513 Add 'unsigned_p' parameter and take it into account for the overflow.
514 (fold_div_compare): Call add_double_with_sign instead of add_double
515 and mul_double_with_sign instead of mul_double, passing them the
516 unsignedness of the type.
517 * tree.h (add_double): Macroize.
518 (add_double_with_sign): New prototype.
519 (mul_double): Macroize.
520 (mul_double_with_sign): New prototype.
522 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
524 * config/score/crti.asm: New file.
525 * config/score/crtn.asm: New file.
526 * config/score/elf.h: New file.
527 * config/score/mac.md: New file.
528 * config/score/misc.md: New file.
529 * config/score/mul-div.S: New file.
530 * config/score/predicates.md: New file.
531 * config/score/score7.md: New file.
532 * config/score/score.c: New file.
533 * config/score/score-conv.h: New file.
534 * config/score/score.h: New file.
535 * config/score/score.md: New file.
536 * config/score/score-mdaux.c: New file.
537 * config/score/score-mdaux.h: New file.
538 * config/score/score-modes.def: New file.
539 * config/score/score.opt: New file.
540 * config/score/score-protos.h: New file.
541 * config/score/score-version.h: New file.
542 * config/score/t-score-elf: New file.
543 * config.gcc: Add score*-*-* configurations(Update before).
544 * doc/invoke.texi (Score Options): New section.
545 * doc/md.texi (Score family): New section to document constraints.
547 2006-10-19 Nick Clifton <nickc@redhat.com>
549 * config/arm/arm.c: Fix spelling typo.
551 2006-10-18 Tom Tromey <tromey@redhat.com>
553 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
555 2006-10-18 Jan Hubicka <jh@suse.cz>
558 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
561 2006-10-18 Marcin Dalecki <martin@dalecki.de>
563 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
564 TSI_SAME_STMT, since that's the desired entity.
566 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
568 * config/s390/contraints.md: New file.
569 * config/s390/s390-protos.h (s390_mem_constraint,
570 s390_O_constraint_str, s390_N_constraint_str,
571 s390_float_const_zero_p): Function prototypes added.
572 * config/s390/s390.c (s390_extra_constraint_str,
573 s390_const_double_ok_for_constraint_p,
574 s390_const_ok_for_constraint_p): Functions removed.
575 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
576 s390_float_const_zero_p): New functions.
577 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
578 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
579 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
580 Macro definitions removed.
581 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
582 s390_extra_constraint_str): Functions removed.
584 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
585 Richard Sandiford <richard@codesourcery.com>
588 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
589 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
591 2006-10-16 Geoffrey Keating <geoffk@apple.com>
593 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
594 (DWARF2_FRAME_REG_OUT): Likewise.
595 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
596 (DWARF2_FRAME_REG_OUT): Likewise.
598 2006-10-17 Paul Brook <paul@codesourcery.com>
600 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
602 2006-10-16 Brooks Moses <bmoses@stanford.edu>
604 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
605 Standardize on "GNU Fortran" as the official name of the Fortran
608 2006-10-16 Mike Stump <mrs@apple.com>
610 * doc/invoke.texi (Darwin Options): Document -mkernel.
611 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
613 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
614 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
615 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
616 (OS_MISSING_ALTIVEC): Add.
617 * config/i386/i386.c (override_options): Add
618 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
619 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
620 -mkernel, -static or -mdynamic-no-pic is given.
621 (C_COMMON_OVERRIDE_OPTIONS): Add.
622 * config/darwin.opt (fapple-kext): Add.
624 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
625 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
627 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
628 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
629 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
630 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
631 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
633 (flag_apple_kext): Add.
634 (TARGET_KEXTABI): Add.
635 * config/darwin.c (darwin_handle_kext_attribute): Add.
636 (DARWIN_VTABLE_P): Add.
637 (darwin_binds_local_p): Add partial support for rebinding vtables
639 (darwin_kextabi_p): Add.
640 (darwin_override_options): Add.
641 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
642 (darwin_kextabi_p): Add.
643 (darwin_override_options): Add.
644 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
645 __DYNAMIC__ and __STATIC__ here.
647 2006-10-16 Brooks Moses <bmoses@stanford.edu>
649 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
650 Added mention of "make pdf" target, and Texinfo requirements for
653 2006-10-16 DJ Delorie <dj@redhat.com>
655 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
656 into the GOT in case we need a subreg of the address.
658 2006-10-16 Richard Guenther <rguenther@suse.de>
661 * doc/extend.texi (X86 Built-in Functions): Fix typos in
662 SSE builtin documentation. Document SSE2 builtins.
664 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
666 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
667 symbol in the output file for non-shared links when -nostdlib or
668 -nodefaultlibs isn't specified.
670 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
671 posix thread support.
673 2006-10-15 Jan Hubicka <jh@suse.cz>
676 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
677 declared always_inline even when not inlining.
679 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
680 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
681 Andrew Pinski <pinskia@gmail.com>
684 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
686 2006-10-15 Jan Hubicka <jh@suse.cz>
687 Richard Guenther <rguenther@suse.de>
690 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
691 process_function_and_variable_attributes on all variables, including
692 those discovered during cgraph construction phase.
694 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
696 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
698 2006-10-14 Uros Bizjak <uros@kss-loka.si>
700 * config/i386/athlon.md (athlon_fist): Add fisttp.
702 2006-10-13 David Edelsohn <edelsohn@gnu.org>
703 Ian Lance Taylor <ian@airs.com>
706 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
707 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
710 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
712 * config/score/score.c, config/score/score.h: Fix comment
715 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
718 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
721 2006-10-13 Eric Christopher <echristo@apple.com>
723 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
725 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
728 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
729 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
730 alignment supported by 32-bit ELF.
732 2006-10-13 Eric Christopher <echristo@apple.com>
734 * config/darwin.c (darwin_emit_unwind_label): Strip
735 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
737 2006-10-13 Richard Guenther <rguenther@suse.de>
739 PR tree-optimization/29446
740 * tree-vrp.c (fix_equivalence_set): Remove.
741 (extract_range_from_assert): Do not call fix_equivalence_set.
742 (debug_value_range): Print a newline.
743 (compare_name_with_value): For equivalence sets with
744 inconsistent value ranges conservatively bail out.
745 (compare_names): Likewise.
747 2006-10-13 David Edelsohn <edelsohn@gnu.org>
749 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
750 and MPFR for gfortran.
752 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
754 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
755 alignment supported by 32-bit ELF.
757 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
761 * c-typeck.c (digest_init): Always allow initializing vectors
762 that have static storage duration with compound literals.
763 * tree.c (build_type_attribute_qual_variant): New, based on
764 build_type_attribute_variant.
765 (build_type_attribute_variant): Rewrite using the former.
766 (make_vector_type): Use build_type_attribute_qual_variant to build
767 type variants. Use type_hash_canon on the others.
769 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
770 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
772 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
774 2006-10-12 Jan Hubicka <jh@suse.cz>
777 * c-decl.c (c_make_fname_decl): Do not segfault in case where
778 current_function_decl is set but current_function_scope is not.
780 2006-10-12 Jie Zhang <jie.zhang@analog.com>
782 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
783 emit_insn to emit eh_return_internal instruction.
784 (eh_return_internal): Explicitly set pc.
786 2006-10-11 Richard Guenther <rguenther@suse.de>
788 PR tree-optimization/28230
789 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
790 to the correct place.
792 2006-10-11 Richard Guenther <rguenther@suse.de>
795 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
798 2006-10-10 Brooks Moses <bmoses@stanford.edu>
800 * configure.ac: Added pdf to "Make-hooks"
801 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
802 targets and *.pdf file patterns in cleanup targets.
803 * configure: Regenerated.
805 2006-10-10 Anatoly Sokolov <aesok@post.ru>
807 * config/avr/predicates.md: New file.
808 * config/avr/avr.md: Include it.
809 (REG_SP): New constant.
810 (peepholes): Use predicates.
811 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
812 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
813 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
815 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
817 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
820 2006-10-10 Jakub Jelinek <jakub@redhat.com>
823 * builtins.c (var_decl_component_p): New function.
824 (fold_builtin_memset, fold_builtin_memory_op): Restrict
825 single entry optimization to variables and components thereof.
827 2006-10-10 Richard Guenther <rguenther@suse.de>
829 PR rtl-optimization/29323
830 * except.c (set_nothrow_function_flags): For functions
831 that do not bind local bail out early.
833 2006-10-10 Ben Elliston <bje@au.ibm.com>
835 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
838 2006-10-09 Richard Henderson <rth@redhat.com>
842 2006-10-09 Richard Guenther <rguenther@suse.de>
845 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
848 2006-10-09 Steve Ellcey <sje@cup.hp.com>
851 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
852 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
853 * configure: Regenerate.
854 * config.in: Regenerate.
856 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
858 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
860 2006-10-08 Richard Sandiford <richard@codesourcery.com>
862 * config/mips/mips.c (mips_legitimize_tls_address): Implement
863 all TLS models in the same way as local exec if !TARGET_ABICALLS.
864 Remove stray newline.
866 2006-10-08 Richard Sandiford <richard@codesourcery.com>
868 * config/mips/mips.c (mips_classify_symbol): Do not return
869 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
870 (mips_in_small_data_p): Tweak comments.
872 2006-10-08 Richard Sandiford <richard@codesourcery.com>
874 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
876 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
878 * gimplify.c, sched-int.h: Fix comment typos.
880 * sched-int.h: Fix comment typos.
882 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
884 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
886 * sched-ebb.c (begin_schedule_ready): Use them.
887 * haifa-sched.c (schedule_insn, move_insn, try_ready,
888 add_to_speculative_block, create_check_block_twin, speculate_insn,
889 fix_jump_move, move_block_after_check): Ditto.
890 * sched-rgn.c (new_ready): Ditto.
892 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
894 PR rtl-optimization/29128
895 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
896 * sched-ebb.c (advance_target_bb): Use it to fix condition to
897 allow interblock movement of speculation checks.
899 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
902 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
903 casted to integer type.
904 (get_address_cost): Decrease cost of [symbol + index] addressing modes
905 if they are significantly more expensive than [reg + index] ones.
907 2006-10-06 Jakub Jelinek <jakub@redhat.com>
909 PR tree-optimization/29330
910 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
911 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
912 on newly allocated ddrs.
913 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
914 to VEC (loop_p, heap) pointer.
915 (compute_data_dependences_for_loop): Adjust caller.
916 (free_dependence_relations): Free DDR_LOOP_NEST.
918 * tree-loop-linear.c (linear_transform_loops): Don't forget to
919 free DEPENDENCE_RELATIONS and DATAREFS.
922 * builtins.c (expand_builtin_sync_operation,
923 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
924 Use convert_to_mode to handle promoted arguments.
926 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
928 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
930 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
932 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
934 2006-10-05 Uros Bizjak <uros@kss-loka.si>
936 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
937 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
938 Use <modeconstraint> instead of "r" as operand 1 constraint.
940 2006-10-06 Olivier Hainque <hainque@adacore.com>
942 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
943 Don't recurse on the pointed-to type.
944 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
945 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
946 types with components of variable size.
948 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
950 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
952 2006-10-06 Jakub Jelinek <jakub@redhat.com>
954 PR tree-optimization/29290
955 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
959 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
960 * config/i386/predicates.md (local_symbolic_operand): Likewise.
963 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
964 the number of vector elements fill the rest with zeros.
966 2006-10-05 Richard Sandiford <richard@codesourcery.com>
968 * config/mips/mips.c (mips_pass_by_reference): Do not return false
969 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
972 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
974 * config/bfin/bfin.md (subsi3): Lose expander, change previously
975 unnamed pattern into subsi3. Use correct constraints/predicates.
976 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
977 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
979 2006-10-05 Ira Rosen <irar@il.ibm.com>
981 * doc/loop.texi: Add data references analysis description.
983 2006-10-04 Brooks Moses <bmoses@stanford.edu>
985 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
987 2006-10-04 Richard Henderson <rth@redhat.com>
988 Jakub Jelinek <jakub@redhat.com>
990 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
991 * builtin-types.def (BT_WORD): Make unsigned.
992 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
993 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
994 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
995 * c-decl.c (grokdeclarator): Don't error if !have_tls.
996 * c-parser.c (c_parser_omp_threadprivate): Likewise.
997 * cgraph.c (decide_is_variable_needed): Look at force_output.
998 Recurse for emulated tls.
999 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1000 checks redundant with decide_is_variable_needed.
1001 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1002 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1004 * expr.c (emutls_var_address): New.
1005 (expand_expr_real_1): Expand emulated tls.
1006 (expand_expr_addr_expr_1): Likewise.
1007 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1008 * output.h (emutls_finish): Declare.
1009 * toplev.c (compile_file): Call it.
1010 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1011 address before wrapping in CONST.
1012 * varasm.c (emutls_htab, emutls_object_type): New.
1013 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1014 (get_emutls_object_name, get_emutls_object_type): New.
1015 (get_emutls_init_templ_addr, emutls_decl): New.
1016 (emutls_common_1, emutls_finish): New.
1017 (assemble_variable): When emulating tls, swap decls; generate
1018 constructor for the emutls objects.
1019 (do_assemble_alias): When emulating tls, swap decl and target name.
1020 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1022 * emutls.c: New file.
1023 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1024 tls_object for real tls.
1026 2006-10-04 Zack Weinberg <zackw@panix.com>
1028 Fix bug in constraint-check generator, reported by Rask Ingemann
1030 * genpreds.c (add_constraint): Don't remove anything from the
1032 (write_tm_constrs_h): Detect whether "op" argument is used, and
1033 mark it ARG_UNUSED if it isn't.
1034 (write_insn_const_int_ok_for_constraint): Skip the part of the
1035 expression that would test whether "op" (which is not available
1036 here) is a CONST_INT.
1038 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1041 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1043 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1045 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1046 current Leopard versions.
1047 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1049 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1051 * doc/install.texi: Fix typos.
1053 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1055 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1056 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1057 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1059 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1061 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1062 arg to be struct mach_header_64* instead.
1064 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1067 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1068 side effects after the outer expression's post side effects.
1070 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1072 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1073 comments to reflect actual behavior and relationship between
1074 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1076 * doc/c-tree.texi (Working with declarations): Fix documentation
1077 of FIELD_DECL likewise.
1079 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1082 * doc/extend.texi: Add used variable attribute description.
1084 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1087 * c.opt (Woverride-init): New.
1088 * c-opts.c (c_common_post_options): Default warn_override_init to
1090 * c-typeck.c (add_pending_init, output_init_element): Warn for
1091 overriding initializers without side effects.
1092 * doc/invoke.texi (-Woverride-init): Document.
1095 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1097 PR rtl-optimization/28096
1098 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1099 assignment has already been used as a destination earlier in the block.
1101 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1103 * builtins.c (expand_builtin_setjmp): Delete.
1104 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1105 <BUILT_IN_SETJMP_SETUP>: New case.
1106 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1107 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1108 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1109 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1110 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1111 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1112 (lower_function_body): Initialize it to false. If it is set to true
1113 at the end of the processing, emit the setjmp dispatcher.
1114 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1115 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1116 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1117 on the rhs of the assignment.
1118 (lower_builtin_setjmp): New function.
1119 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1120 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1121 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1122 to detect calls that can go to non-local labels. Use specific
1123 helper to create the abnormal edges associated with them.
1124 <MODIFY_EXPR>: Likewise.
1125 (make_abnormal_goto_edges): New function extracted from...
1126 (make_goto_expr_edges): ...here. Call it for computed gotos.
1127 (simple_goto_p): Minor tweak.
1128 (tree_can_make_abnormal_goto): New predicate.
1129 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1130 (tree_purge_dead_abnormal_call_edges): New function.
1131 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1132 (tree_purge_dead_abnormal_call_edges): Likewise.
1133 (make_abnormal_goto_edges): Likewise.
1134 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1135 Purge all dead abnormal edges if the call was in the last statement.
1136 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1137 (execute_fixup_cfg): If there are non-local labels in the function,
1138 scan the basic blocks and split them at calls that can go to non-local
1139 labels or add missing abnormal call edges. Write down the CFG in the
1141 (pass_fixup_cfg): Remove TODO_dump_func flag.
1142 * unwind-sjlj.c: Poison setjmp.
1143 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1144 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1145 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1146 (DONT_USE_BUILTIN_SETJMP): Document it.
1148 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1151 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1152 to 1 when __ppc64__ is defined.
1153 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1155 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1157 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1159 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1160 * config/ia64/unwind-hpux.c: Delete.
1162 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1164 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1165 on the element before gimplifying it, instead of punting if it is of
1168 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1170 * doc/loop.texi: New file.
1171 * doc/gccint.texi: Reference loop.texi.
1172 * Makefile.in (loop.texi): Add.
1174 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1176 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1178 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1179 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1181 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1183 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1185 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1187 * doc/install.texi: Document required versions of GMP and MPFR.
1189 2006-09-27 Paul Brook <paul@codesourcery.com>
1192 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1194 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1196 * reload1.c (alter_reg): Require the alignment of the stack slot to
1197 be at least reg_max_ref_width bytes.
1198 (scan_paradoxical_subregs): Record the largest width in
1201 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1205 * tree-nested.c (struct nesting_info): Added static_chain_added.
1206 (convert_call_expr): Set static_chain_added when adding static
1207 chain. Handle OMP_PARALLEL and OMP_SECTION.
1209 2006-09-25 Matthias Klose <doko@debian.org>
1211 * doc/invoke.texi: Add missing full stop.
1213 2006-09-25 Richard Henderson <rth@redhat.com>
1215 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1216 before cgraph_function_flags_ready.
1218 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1219 Adam Nemet <anemet@caviumnetworks.com>
1221 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1222 determine_common_wider_type): New functions.
1223 (get_computation_aff): Use them to simplify arithmetic between
1224 UBASE and CBASE if they are shortened from the same type.
1226 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1229 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1230 -2147483647 - 1 instead of 0x80000000.
1232 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1234 * flags.h (HONOR_NANS): Fix typo in comment.
1236 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1238 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1240 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1244 * tree.c (merge_attributes, attribute_list_contained): If both
1245 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1247 * c-typeck.c (comptypes_internal): Don't consider aggregates
1248 in different TUs as compatible if there one set of attributes is
1249 not a subset of the other type's attributes.
1250 (composite_type): Try harder not to create a new aggregate type.
1252 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1254 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1255 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1256 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1257 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1258 than replicating condition above.
1259 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1261 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1262 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1263 the linker by default.
1265 2006-09-22 Mike Stump <mrs@apple.com>
1267 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1270 2006-09-22 Richard Guenther <rguenther@suse.de>
1273 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1274 sort of stack variables stable.
1276 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1279 * explow.c (force_reg): Set REG_POINTER flag according to
1282 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1284 PR tree-optimization/28888
1285 * tree-if-conv.c (combine_blocks): Rewritten.
1286 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1287 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1289 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1291 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1294 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1296 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1298 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1300 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1302 2006-09-21 Roger Sayle <roger@eyesopen.com>
1305 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1306 dw_fde_current_label, to be the start of the function, i.e. the same
1307 value as dw_fde_begin.
1309 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1311 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1312 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1313 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1314 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1315 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1316 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1317 (abs<mode>2, neg<mode>2): Likewise.
1318 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1319 (*mips_abs_ps): New define_insn.
1321 2006-09-20 Josh Conner <jconner@apple.com>
1324 * calls.c (expand_call): Allow reuse of structure return stack
1327 2006-09-20 Paul Brook <paul@codesourcery.com>
1329 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1332 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1334 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1335 clean up terminology.
1337 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1340 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1341 with tablejumps in them.
1343 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1346 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1347 wrap it into TARGET_EXPR.
1349 2006-09-20 Eric Christopher <echristo@apple.com>
1351 * config/i386/i386.c (x86_fisttp): Remove.
1352 * config/i386/i386.h (x86_fisttp): Ditto.
1353 (TARGET_FISTTP): Ditto.
1355 2006-09-19 Eric Christopher <echristo@apple.com>
1357 * doc/tm.texi (OBJC_JBLEN): Describe.
1358 * config/i386/darwin.h (OBJC_JBLEN): Define.
1359 * config/rs6000/darwin.h: Ditto.
1361 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1363 PR rtl-optimization/21299
1364 * reload1.c (reload): Purge invalid ASMs in the final pass.
1366 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1369 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1370 pointers as legitimate constants.
1372 2006-09-19 Paul Brook <paul@codesourcery.com>
1375 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1377 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1379 PR tree-optimization/28887
1380 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1381 component parts from the reference.
1382 (gather_memory_references_ref): Record the reference without the
1383 nonaddressable component parts.
1385 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1388 * c-opts.c (c_common_handle_option): Ignore the -std options
1389 if the input language is assembly.
1391 2006-09-17 Ira Rosen <irar@il.ibm.com>
1394 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1396 (ptr_ptr_may_alias_p): Likewise.
1397 (record_record_differ_p): New function.
1398 (base_object_differ_p): Call record_record_differ_p.
1400 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1403 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1404 away for the expr argument.
1406 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1409 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1410 before using it for dumping after vectorizing loops.
1412 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1413 Jack Howarth <howarth@bromo.med.uc.edu>
1416 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1417 skip on error_mark_node.
1418 (rs6000_darwin64_record_arg_recurse): Likewise.
1420 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1422 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1423 * doc/rtl.texi: Remove related documentation.
1425 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1427 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1430 2006-09-15 Jim Wilson <wilson@specifix.com>
1432 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1433 Handle symbol offsets same as they are handled in ia64_expand_move
1436 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1438 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1439 Add forgotten parameter to the fprintf call.
1441 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1443 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1445 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1447 * doc/contrib.texi: Add my entry.
1449 2006-09-15 Nick Clifton <nickc@redhat.com>
1451 * doc/md.texi (Processor pipeline description): Fix typo in
1452 example of how to use the absence_set directive and reword the
1453 description to make it slightly easier to read.
1455 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1457 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1458 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1459 expanding the number of iterations.
1460 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1462 * cfgrtl.c (emit_insn_at_entry): New function.
1463 * rtl.h (emit_insn_at_entry): Declare it.
1464 * integrate.c (emit_initial_value_sets): Use it.
1466 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1468 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1470 (struct loop_work and related VEC declarations): Delete.
1471 (bfin_dump_loops): Print out new member bad.
1472 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1473 (bfin_scan_loop): Don't recurse.
1474 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1475 loops. No longer need to update outer loops if the current one is
1476 found bad. Move some validitiy checks to bfin_discover_loop.
1477 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1478 but changed not to check for nesting. Also changed to use the new bad
1480 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1481 time. Use bitmap based test to discover loop nesting.
1483 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1485 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1488 2006-09-14 Richard Guenther <rguenther@suse.de>
1489 Kazu Hirata <kazu@codesourcery.com>
1491 PR middle-end/28884.
1492 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1493 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1494 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1495 with TARGET_FUNCTION_VALUE.
1497 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1500 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1502 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1504 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1507 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1510 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1513 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1515 * basic_block.h (bb_has_eh_pred): Fix comment.
1517 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1519 * flow.c (calculate_global_regs_live): Invalidate eh registers
1520 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1521 (propagate_block): Handle eh registers as if they were set at basic
1523 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1525 * global.c (global_conflicts): Make eh registers to conflict with
1526 pseudos live at basic block begin.
1527 * basic_block.h (bb_has_eh_pred): New function.
1529 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1531 PR rtl-optimization/28982
1532 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1533 index of a PRE_MODIFY or POST_MODIFY address.
1534 * reload1.c (inc_for_reload): Use find_replacement on the original
1535 base and index registers.
1537 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1539 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1540 for -Os. Update __m128 alignment requirement.
1542 2006-09-13 Jan Hubicka <jh@suse.cz>
1544 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1546 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1548 PR rtl-optimization/28243
1549 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1550 the insn to which the note was originally attached.
1552 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1553 Roger Sayle <roger@eyesopen.com>
1555 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1556 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1557 on platforms that don't use dwarf for debug info.
1559 2006-09-12 Jason Merrill <jason@redhat.com>
1562 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1563 hard_frame_pointer_rtx after using it to update the frame pointer.
1565 2006-09-12 Roger Sayle <roger@eyesopen.com>
1567 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1568 (TARGET_ASM_CLOSE_PAREN): Likewise.
1569 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1570 (TARGET_ASM_CLOSE_PAREN): Likewise.
1572 2006-09-12 Roger Sayle <roger@eyesopen.com>
1575 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1576 frame information for frames larger than 512 Kbytes on Tru64 when
1577 using the native assembler.
1579 2006-09-12 Roger Sayle <roger@eyesopen.com>
1583 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1584 and symbols. Instead use the implementation from cse.c's hash_rtx.
1586 2006-09-12 Jan Hubicka <jh@suse.cz>
1588 PR rtl-optimization/28071
1589 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1590 (vect_transform_loop): Likewise.
1591 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1592 (new_loop_vec_info): Likewise.
1593 (destroy_loop_vec_info): Likewise.
1594 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1595 (create_stmt_ann): Likewise.
1596 (create_tree_ann): Rename to ...
1597 (create_tree_common_ann): ... this one; allocate only the common part
1599 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1600 (get_value_handle): Likewise.
1601 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1602 get_tree_common_ann.
1603 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1604 (vinfo_for_stmt): Use stmt annotations.
1605 * tree-flow.h (tree_ann_common_t): New type.
1606 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1607 (tree_ann, get_tree_ann, create_tree_ann): New.
1608 * tree-flow-inline.h (get_function_ann): Do more type checking.
1609 (stmt_ann): Likewise.
1610 (tree_ann): Rename to ...
1611 (tree_common_ann): ... this one; return ony common_ann
1612 (get_tree_ann): Rename to ...
1613 (tree_common_ann): This one; return only common_ann.
1614 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1617 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1619 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1620 with_cpu by default.
1622 * dwarf2out.c (dwarf_file_data): New.
1623 (enum dw_val_class): Add dw_val_class_file.
1624 (struct dw_val_struct): Add val_file.
1625 (file_table): Change to a hash table.
1626 (file_table_emitted): Delete.
1627 (file_table_last_lookup_index): Delete.
1628 (emitcount): Delete.
1629 (last_emitted_file): New.
1630 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1631 (init_file_table): Delete.
1632 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1633 (AT_addr): Add comment.
1637 (print_die): Handle dw_val_class_file.
1638 (print_dwarf_line_table): Update for new file table structure.
1639 (attr_checksum): Do checksum a filename.
1640 (same_dw_val_p, same_attr_p): Do compare a filename.
1641 (size_of_die): Handle dw_val_class_file.
1642 (value_format): Likewise.
1643 (output_die): Likewise. Also, call maybe_emit_file here.
1644 (struct file_info): Constify filenames. Make file_idx a pointer
1645 to a struct dwarf_file_data.
1646 (struct dir_info): Constify directory names. Remove 'used' field.
1647 (struct file_name_acquire_data): New.
1648 (file_name_acquire): New.
1649 (output_file_names): Modify to handle new file data structures.
1650 (add_src_coords_attributes): Use add_AT_file.
1651 (add_call_src_coords_attributes): Likewise.
1652 (dwarf2out_imported_module_or_decl): Likewise.
1653 (gen_subprogram_die): Modify for new file data structures.
1654 (gen_variable_die): Likewise.
1655 (file_table_eq): New.
1656 (file_table_hash): New.
1657 (file_table_last_lookup): New.
1658 (lookup_filename): Rewrite to handle new file data structures.
1659 (maybe_emit_file): Rewrite to handle new file data structures.
1660 (dwarf2out_source_line): Always call lookup_filename and
1662 (dwarf2out_init): Create file_table here.
1663 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1664 (file_table_relative_p): New.
1665 (dwarf2out_finish): Change detection of relative filenames
1666 to work with new file data structures. Move output_line_info call
1667 after debug_info output.
1669 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1674 * config/i386/i386.c (override_options): Always default to 16
1675 byte stack boundary.
1677 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1680 * var-tracking.c (dump_dataflow_set): Start dumping at
1682 (clobber_variable_part): Kill only the variable part in
1683 registers holding it, leaving other variables alone.
1685 2006-09-11 Josh Triplett <josh@freedesktop.org>
1687 * doc/extend.texi (Other Builtins): Actually use the macro
1688 argument in the documentation example for
1689 __builtin_types_compatible_p.
1691 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1693 PR rtl-optimization/28726
1694 * sched-deps.c (sched_analyze_reg): New function extracted from...
1695 (sched_analyze_1): ...here. Call it to analyze references to
1696 registers. Treat again writes to a stack register as writing to the
1698 (sched_analyze_2): ...and here. Call it to analyze references to
1699 registers. Treat again reads of a stack register as reading the
1702 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1703 David Edelsohn <edelsohn@gnu.org>
1706 * config/rs6000/spe.md (frob_df_di): Remove %H.
1707 (frob_di_df): Remove %H. Change evmergelo to mr.
1708 (frob_di_df_2): Remove %H. Change evldd to two loads.
1710 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1712 * doc/cpp.texi: Fix names of charset options.
1714 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1717 * config/i386/i386.c (override_options): Use 128-bit
1718 stack boundary always for 64bits.
1720 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1722 PR rtl-optimization/28636
1723 * combine.c (force_to_mode): Test for side-effects before
1724 substituting by zero.
1725 (simplify_shift_const): Likewise for zero or other constants.
1727 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1730 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1733 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1736 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1737 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1738 returned by mode_for_size, rather than the mode of src itself,
1739 to choose between 32-bit and 64-bit patterns.
1740 (mips_mem_fits_mode_p): New function.
1741 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1742 that the size of the source matches the size of the destination.
1743 (mov_<store>l, mov_<store>r): Likewise.
1745 2006-09-10 Eric Christopher <echristo@apple.com>
1747 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1750 2006-09-09 Eric Christopher <echristo@apple.com>
1753 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1756 2006-09-09 Roger Sayle <roger@eyesopen.com>
1757 Nicolas Setton <setton@adacore.com>
1759 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1761 2006-09-10 Andreas Schwab <schwab@suse.de>
1763 * config/m68k/m68k.md (bungt_rev): New pattern.
1765 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1766 Dale Johannesen <dalej@apple.com>
1769 * regclass.c (struct reg_pref): Update documentation.
1770 (regclass): Set prefclass to NO_REGS if memory is the best option.
1771 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1773 2006-09-08 Eric Christopher <echristo@apple.com>
1775 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1776 * config/t-slibgcc-darwin: Support x86_64 multilib.
1777 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1778 Return 1 for x86_64-darwin.
1779 * config/i386/t-darwin: Add m64 multilib.
1780 (LIB2_SIDITI_CONV_FUNCS): Use.
1781 (LIB2FUNCS_EXTRA): Ditto.
1782 * config/i386/darwin.h: Support x86_64.
1783 * config/i386/i386.c (override_options): Turn on flag_pic
1784 for x86_64-darwin. Disable flag_omit_pointer.
1785 (get_pc_thunk_name): Assert !TARGET_64BIT.
1786 (legitimate_address_p): Disable machopic addressing for
1788 (legitimize_pic_address): Ditto.
1789 (ix86_expand_move): Ditto.
1790 (ix86_expand_call): Ditto.
1791 (machopic_output_stub): Ditto.
1792 * config/darwin.c (machopic_select_section): Support literal16.
1793 (machopic_select_rtx_section): Ditto.
1794 * config/darwin-sections.def: Ditto.
1795 * config/darwin-64.c: New.
1797 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1800 * c-tree.h (struct c_arg_info): Add pending_sizes.
1801 * c-parser.c (c_parser_parms_declarator,
1802 c_parser_parms_list_declarator): Initialize pending_sizes.
1803 * c-decl.c (get_parm_info): Initialize pending_sizes.
1804 (get_parm_info): Set pending_sizes.
1805 (grokdeclarator): Call put_pending_sizes for parameters for
1806 function definition only.
1808 2006-09-07 Jason Merrill <jason@redhat.com>
1811 * varasm.c (output_constant): Only strip actual no-op conversions.
1814 * config/i386/i386.c (override_options): Use 128-bit
1815 stack boundary if -msse.
1817 2006-09-07 Eric Christopher <echristo@apple.com>
1819 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1821 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1824 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1826 * dwarf2out.c: Remove strange characters from comment above
1827 dwarf2out_frame_debug_expr.
1829 2006-09-07 Eric Christopher <echristo@apple.com>
1831 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1832 * config/darwin.h: ... to here.
1834 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1836 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1838 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1839 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1841 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1842 TARGET_PARTIAL_FLAG_REG_STALL.
1843 (*ashldi3_cconly_rex64): Likewise.
1844 (*ashlsi3_cmp): Likewise.
1845 (*ashlsi3_cconly): Likewise.
1846 (*ashlsi3_cmp_zext): Likewise.
1847 (*ashlhi3_cmp): Likewise.
1848 (*ashlhi3_cconly): Likewise.
1849 (*ashlqi3_cmp): Likewise.
1850 (*ashlqi3_cconly): Likewise.
1851 (*ashrdi3_cmp_rex64): Likewise.
1852 (*ashrdi3_cconly_rex64): Likewise.
1853 (*ashrsi3_cmp): Likewise.
1854 (*ashrsi3_cconly): Likewise.
1855 (*ashrsi3_cmp_zext): Likewise.
1856 (*ashrhi3_cmp): Likewise.
1857 (*ashrhi3_cconly): Likewise.
1858 (*ashrqi3_cmp): Likewise.
1859 (*ashrqi3_cconly): Likewise.
1860 (*lshrdi3_cmp_rex64): Likewise.
1861 (*lshrdi3_cconly_rex64): Likewise.
1862 (*lshrsi3_cmp): Likewise.
1863 (*lshrsi3_cconly): Likewise.
1864 (*lshrsi3_cmp_zext): Likewise.
1865 (*lshrhi3_cmp): Likewise.
1866 (*lshrhi3_cconly): Likewise.
1867 (*lshrqi2_cmp): Likewise.
1868 (*lshrqi2_cconly): Likewise.
1870 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1873 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1874 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1875 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1876 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1877 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1878 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1879 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1880 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1881 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1882 implement only CC setting effects of shift instructions.
1884 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1886 * doc/contrib.texi: Add myself.
1888 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1891 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1892 was set by the user.
1894 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1897 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1898 (divsi_inv_m1): Use them.
1899 (UNSPEC_DIV_INV_TABLE): New constant.
1901 2006-09-06 James E Wilson <wilson@specifix.com>
1904 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1905 then call count_or_remove_death_notes.
1907 2006-09-06 Jason Merrill <jason@redhat.com>
1910 * tree-inline.c (copy_result_decl_to_var): New fn.
1911 (declare_return_variable): Use it. Call declare_inline_vars here.
1912 (expand_call_inline): Not here.
1914 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1916 * doc/contrib.texi: Update my entry.
1918 2006-09-06 Nick Clifton <nickc@redhat.com>
1920 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1922 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1925 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1926 (canonicalize_induction_variables): Likewise.
1927 (tree_unroll_loops_completely): Likewise.
1928 (tree_ssa_prefetch_arrays): Likewise.
1929 (remove_empty_loops): Likewise.
1930 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1931 TODO_cleanup_cfg instead of directly calling
1932 cleanup_tree_cfg_loop.
1933 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1935 (tree_unroll_loops_completely): Likewise.
1936 (remove_empty_loops): Likewise.
1937 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1938 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1939 of tree_ssa_unswitch_loops.
1940 (tree_ssa_loop_ivcanon): Use the return value of
1941 canonicalize_induction_variables.
1942 (tree_ssa_empty_loop): Use the return value of
1944 (tree_complete_unroll): Use the return value of
1945 tree_unroll_loops_completely.
1946 (tree_ssa_loop_prefetch): Use the return value of
1947 tree_ssa_prefetch_arrays.
1948 * passes.c (execute_todo): Before Cleanup CFG, set
1949 updating_used_alone and after cleanup CFG, call
1950 recalculate_used_alone.
1952 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1955 * tree-vect-transform.c (vectorizable_condition): Move the check
1956 for the type after the check for simple condition.
1958 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1959 Kaz Kojima <kkojima@gcc.gnu.org>
1962 * mode-switching.c (optimize_mode_switching): Make the destination
1963 block of an abnormal edge have no anticipatable mode. Don't
1964 insert mode switching code at the end of the source block of
1967 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1969 PR rtl-optimization/26847
1970 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1971 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1972 (simplify_plus_minus): Count n_constants while filling ops. Replace
1973 qsort with insertion sort. Before going through the array to simplify
1974 pairs, sort it. Delay early exit until after the first sort, exiting
1975 only if no swaps occurred. Simplify pairs in reversed order, without
1976 special-casing the first iteration. Pack ops after simplifying pairs.
1978 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1980 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1981 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1982 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1983 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1985 2006-09-05 Richard Guenther <rguenther@suse.de>
1987 PR tree-optimization/28900
1988 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1989 compound conditional before creating COND_EXPR condition.
1991 2006-09-05 Richard Guenther <rguenther@suse.de>
1993 PR tree-optimization/28905
1994 * tree-vrp.c (fix_equivalence_set): Manually implement
1995 !value_ranges_intersect_p to also handle symbolic ranges.
1997 2006-09-05 Richard Guenther <rguenther@suse.de>
2000 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2003 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2005 PR rtl-optimization/27616
2006 * cse.c (table_size): New static variable.
2007 (new_basic_block): Initialize it to 0.
2008 (remove_from_table): Decrement it.
2009 (insert): Increment it.
2010 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2011 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2012 fold_rtx_mem_1 if under the cap.
2013 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2014 the lookup of the equivalent expression and test for equality of the
2015 first operand of the equivalent expression before in turn looking up
2016 an equivalent constant for the second operand.
2018 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2021 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2022 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2023 pointer, instead of assuming it is possible to derive the
2024 correct args size from a call insn.
2026 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2029 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2030 (fold_builtin_mempcpy): Rename to...
2031 (fold_builtin_memory_op): ... this. Optimize one element copy
2033 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2035 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2036 (expand_builtin_memcpy, expand_builtin_mempcpy,
2037 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2038 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2039 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2040 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2042 2006-09-01 DJ Delorie <dj@redhat.com>
2044 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2045 (stzx_16): Likewise.
2046 ("stzx_24_<mode>"): Likewise.
2047 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2048 ("cmp<mode>_op"): New.
2049 (cmp<mode>): Change to expander; just save operands.
2051 (b<code>): Change to expander, emit compare here.
2052 (s<code>_op): Change to use split and expander.
2053 (s<code>_24_op): Likewise.
2054 (s<code>_<mode>): New.
2055 (s<code>_<mode>_24): New.
2056 (movqicc_<code>_<mode): New.
2057 (movhicc_<code>_<mode>): New.
2060 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2061 (m32c_pend_compare): New.
2062 (m32c_unpend_compare): New.
2063 (m32c_expand_scc): New.
2064 (m32c_expand_movcc): Emit the compare also.
2065 * config/m32c/predicates.md (mra_nopp_operand): New.
2067 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2068 Richard Guenther <rguenther@suse.de>
2069 Adam Nemet <anemet@caviumnetworks.com>
2072 * builtins.c (get_pointer_alignment): Handle more forms
2073 of base addresses that can be used to derive more precise
2074 information about alignment.
2076 2006-09-01 Jason Merrill <jason@redhat.com>
2079 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2082 * gimplify.c (voidify_wrapper_expr): Handle null type.
2084 2006-09-01 Josh Conner <jconner@apple.com>
2087 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2088 (execute_return_slot_opt): Use it.
2090 2006-08-31 Josh Conner <jconner@apple.com>
2093 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2094 returning aggregates.
2096 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2098 PR tree-optimization/28839
2099 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2100 blocks in that phi arguments appear.
2102 2006-08-31 Roger Sayle <roger@eyesopen.com>
2105 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2106 NULL, otherwise use an advance_loc4 to adjust relative to the
2108 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2109 (dwarf2out_switch_text_section): Reset the current label to avoid
2110 using advance_loc4 over section boundaries.
2112 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2115 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2116 r12 + SYMBOLIC_CONST.
2118 2006-08-30 Richard Guenther <rguenther@suse.de>
2120 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2122 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2124 PR rtl-optimization/27735
2125 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2126 Add new argument to keep track of whether an irreducible region
2127 was affected. All callers changed.
2128 (fix_irreducible_loops): Removed.
2129 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2130 flags were invalidated.
2132 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2134 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2135 instead of SF operands.
2136 (*fop_df_comm_sse): Likewise.
2137 (*fop_df_comm_i387): Likewise.
2138 (*fop_df_1_mixed): Likewise.
2139 (*fop_df_1_sse): Likewise.
2141 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2142 J"orn Rennecke <joern.rennecke@st.com>
2144 PR tree-optimization/17506
2145 * tree-ssa.c (warn_uninit): If warning about a location outside of
2146 the current function, note where the variable was declared.
2148 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2150 PR tree-optimization/28411
2151 * double-int.c (double_int_div): Use double_int_divmod.
2152 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2153 double_int_mod, double_int_smod, double_int_umod): New functions.
2154 * double-int.h (double_int_divmod, double_int_sdivmod,
2155 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2157 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2159 (get_computation_aff, get_computation_cost_at): Handle double_int
2160 return type of constant_multiple_of.
2162 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2165 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2166 an implicit conversion.
2168 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2170 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2172 2006-08-27 Roger Sayle <roger@eyesopen.com>
2174 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2177 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2179 * config/i386/crtfastmath.c: Fix a comment typo.
2181 2006-08-26 Roger Sayle <roger@eyesopen.com>
2183 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2184 temporary visit flags on CASE_LABEL_EXPRs.
2185 * c-common.c (match_case_to_enum): Add function comment. Avoid
2186 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2187 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2188 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2189 a constant, only warn if that constant value isn't handled.
2191 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2194 * input.h (restore_input_file_stack): Declare.
2195 (INPUT_FILE_STACK_BITS): Define.
2196 * toplev.c (fs_p, input_file_stack_history,
2197 input_file_stack_restored, restore_input_file_stack): New.
2198 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2199 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2200 (pop_srcloc): Don't free old state of stack.
2202 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2205 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2206 (PowerPC Type Attributes): New.
2208 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2210 * config/xtensa/xtensa.c (function_arg_boundary): New.
2211 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2213 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2214 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2216 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2219 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2222 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2224 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2225 (verify_local_live_at_start): Likewise.
2227 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2230 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2231 omp_add_variable): Treat sizes as variable whenever not
2234 2006-08-26 Richard Guenther <rguenther@suse.de>
2237 * fold-const.c (fold_binary): Fold temporary to correct
2238 type before constructing new comparison.
2240 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2243 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2244 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2246 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2249 * c-decl.c (start_function): Don't try to process prototype
2250 information from old declaration that isn't a function.
2252 2006-08-25 Jan Hubicka <jh@suse.cz>
2255 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2257 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2260 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2263 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2265 PR tree-optimization/16876
2266 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2267 exit if PARM doesn't match VALUE.
2269 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2271 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2272 literal_prefix directive.
2273 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2274 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2275 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2277 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2280 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2281 predicate to general_operand. Add 0->y and I->r alternatives.
2283 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2285 * doc/tm.texi: Fix a typo.
2286 * predict.c: Fix comment typos.
2288 2006-08-25 Nick Clifton <nickc@redhat.com>
2290 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2291 assertions of "cpu" and "machine".
2293 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2296 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2297 the access through a base which has an alias set of 0 cannot
2300 2006-08-24 Bill Wendling <wendling@apple.com>
2302 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2304 2006-08-24 Jan Hubicka <jh@suse.cz>
2306 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2308 2006-08-24 Jan Hubicka <jh@suse.cz>
2311 * cgraph.c: Fix comments.
2312 (cgraph_varpool_mark_needed_node): Mark only variables not already
2314 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2315 (cgraph_varpool_assembled_nodes_queue): New static variable.
2316 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2317 (cgraph_varpool_output_debug_info): New function.
2318 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2319 * Makefile.in: Add gt-cgraphunit.h
2321 2006-08-24 Jan Hubicka <jh@suse.cz>
2323 * predict.c (probability_reliable_p): New predicate.
2324 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2325 (predict_loops): Do not predict loop exit with less than 2%
2327 * basic-block.h (edge_probability_reliable_p,
2328 br_prob_note_reliable_p): Declare.
2329 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2330 prediction when static predictor is not reliable.
2331 * rs6000.c (output_cbranch): Likewise.
2333 2006-08-23 Stuart Hastings <stuart@apple.com>
2336 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2337 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2339 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2342 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2343 complex values, nor for generic vector values.
2345 2006-08-22 Richard Guenther <rguenther@suse.de>
2348 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2349 parameter. Convert arguments to arithmetic expression to the
2351 (analyze_scalar_evolution_1): Adjust caller.
2353 2006-08-22 Jan Hubicka <jh@suse.cz>
2355 Patch by Paolo Bonzini
2356 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2359 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2361 PR tree-optimization/28003
2362 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2363 before grouping aliases.
2365 2006-08-22 Roger Sayle <roger@eyesopen.com>
2367 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2368 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2370 2006-08-21 Jason Merrill <jason@redhat.com>
2373 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2374 wrapper. Loop to handle nested wrappers.
2375 (gimplify_bind_expr): Remove temp parameter.
2376 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2377 and STATEMENT_LIST on the rhs.
2378 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2379 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2380 (gimplify_target_expr): Remove special BIND_EXPR handling.
2382 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2384 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2387 2006-08-21 Olivier Hainque <hainque@adacore.com>
2389 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2390 Arrange for the temporary captures of components overlapping the lhs
2391 to happen before the lhs is possibly cleared.
2393 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2395 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2396 necessary places to pass the correct "number of registers" values
2399 2006-08-20 Jan Hubicka <jh@suse.cz>
2401 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2402 (create_name_tags): Instead of quadratic checking use hashtable.
2403 * bitmap.h: Include hashtab.h.
2404 (bitmap_hash): Declare.
2405 * bitmap.c (bitmap_hash): New function.
2407 2006-08-20 Jan Hubicka <jh@suse.cz>
2409 PR rtl-optimization/28071
2410 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2412 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2413 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2414 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2415 cgraph_decide_inlining_incrementally): Update use of
2416 cgraph_check_inline_limits.
2417 * cgraph.c (edge_hash, edge_eq): New function.
2418 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2419 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2420 cgraph_remove_node): Maintain call site hash.
2421 * cgraph.h (struct cgraph_node): Add call_site_hash.
2422 (cgraph_set_call_stmt): New function.
2424 2006-08-20 Jan Hubicka <jh@suse.cz>
2426 PR rtl-optimization/28071
2427 * reload1.c (reg_has_output_reload): Turn into regset.
2428 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2429 choose_reload_regs, emit_reload_insns): Update to new
2430 reg_has_output_reload.
2432 2006-08-20 Jan Hubicka <jh@suse.cz>
2435 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2436 function body sizes.
2437 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2439 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2442 * tree.c (handle_dll_attribute): Return early if not a
2443 var or function decl.
2445 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2448 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2449 alignment of SPE vector types.
2451 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2453 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2455 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2458 * cgraph.h (struct cgraph_node): Remove externally_visible
2460 * cgraphunit.c (process_function_and_variable_attributes): Set
2461 local.externally_visible rather than externally_visible.
2464 * c-common.c (handle_externally_visible_attribute): First look
2465 at TREE_CODE and only if it is function or var decl, check for
2466 non-public objects. Don't warn for DECL_EXTERNAL.
2467 * cgraphunit.c (process_function_and_variable_attributes): Warn
2468 if externally_visible attribute is used on non-public object.
2470 2006-08-17 Jan Hubicka <jh@suse.cz>
2472 PR tree-optimization/27865
2473 * reload1.c (forget_marked_reloads): New function.
2474 (forget_old_reloads_1): When data are passed, just mark the registers
2476 (reload_as_needed): Use the new mechanizm.
2478 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2481 * reload.h (reg_equiv_alt_mem_list): New declaration.
2482 * reload1.c (reg_equiv_alt_mem_list): New definition.
2483 (reload): Initialize it and release it.
2484 (delete_output_reload): Use it.
2485 * reload.c (push_reg_equiv_alt_mem): New function.
2486 (find_reloads_toplev): Call it.
2487 (find_reloads_address, find_reloads_address_1): Likewise.
2488 (find_reloads_subreg_address): Likewise.
2490 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2492 PR rtl-optimization/28489
2493 * sched-ebb.c (begin_schedule_ready): Create basic block
2495 (advance_target_bb): Skip empty blocks.
2496 * haifa-sched.c (bb_note): Make global.
2497 * sched-int.h (bb_note): Add prototype.
2499 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2501 PR tree-optimization/27865
2502 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2504 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2505 fold_used_pointer, pointer_used_p): New functions.
2506 (analyze_scalar_evolution_1): Use fold_used_pointer.
2507 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2508 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2511 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2514 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2515 or the INTEGER_CST. Fail on a CALL_EXPR.
2516 (fold_offsetof): Pass new argument to fold_offsetof_1.
2517 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2518 operand into an INDIRECT_REF.
2519 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2521 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2523 PR gcov/profile/26570
2524 * value-prof.c (static_values): Removed.
2525 (tree_find_values_to_profile): Do not set static_values.
2526 (find_values_to_profile): Do not free static_values.
2527 * profile.c (instrument_values): Do not free the values.
2528 (branch_prob): Free the values.
2530 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2532 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2534 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2537 * c-typeck.c (build_component_ref): Combine qualifiers of
2538 structure or union and field.
2540 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2542 PR rtl-optimization/28071
2543 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2544 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2545 * tree-into-ssa.c (struct dom_dfsnum): New.
2546 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2548 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2549 compute_global_livein.
2550 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2551 in phi nodes in the correct blocks.
2553 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2555 PR tree-optimization/28364
2556 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2558 (fold_affine_expr): New function.
2559 (may_eliminate_iv): Use fold_affine_expr.
2561 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2564 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2567 2006-08-16 Mike Stump <mrs@apple.com>
2569 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2570 * doc/cppopts.texi (-MD): Likewise.
2572 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2575 * c-common.c (handle_weak_attribute): Ignore and warn if
2576 not a FUNCTION_ or VAR_DECL.
2578 2006-07-15 Mike Stump <mrs@apple.com>
2581 * c-parser.c (c_parser_typeof_specifier): Don't use
2582 c_finish_expr_stmt, open code desired semantics instead.
2584 2006-08-15 Nick Clifton <nickc@redhat.com>
2586 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2587 fragment to tmake_file only if threads are enabled.
2588 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2589 * config/i386/t-gthr-win32: New file. ... here.
2591 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2594 * c-parser.c (c_parser_compound_statement_nostart): Reset
2595 parser->error after each statement.
2597 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2600 * omp-low.c (lower_omp_parallel): Convert t to
2601 receiver_decl's type.
2602 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2603 source before comparison.
2606 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2607 to itype in assignment to oldival2.
2609 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2613 * c-typeck.c (build_compound_expr): If the second expression
2614 is an error mark, then just return an error mark instead of
2615 creating a COMPOUND_EXPR.
2617 2006-07-14 Mike Stump <mrs@apple.com>
2619 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2621 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2623 * c-decl.c, var-tracking.c: Fix comment typos.
2625 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2627 PR rtl-optimization/28634
2628 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2629 for floating-point modes unless flag_unsafe_math_optimizations.
2631 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2632 Andrew Pinski <pinskia@physics.uc.edu>
2635 * tree.c (build_array_type): Unify array types with
2636 unspecified index_type.
2637 * c-decl.c (grokdeclarator): Make sure we do not modify a
2638 unified incomplete array type.
2639 * c-typeck.c (store_init_value): Create distinct type before
2640 filling in the index type in an initializer from a compound
2643 * c-decl.c (grokdeclarator): Remove code where we copy the
2646 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2648 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2649 into account for TODO_dump_cgraph.
2650 (TODO_update_ssa_no_phi): Likewise.
2651 (TODO_update_ssa_full_phi): Likewise.
2652 (TODO_update_ssa_only_virtuals): Likewise.
2653 (TODO_remove_unused_locals): Likewise.
2654 (TODO_set_props): Likewise.
2655 (TODO_update_stmt_usage): Likewise.
2657 2006-08-13 Dirk Mueller <dmueller@suse.de>
2659 * c-common.c (strict_aliasing_warning): Fix formatting.
2661 2006-08-13 Matthias Klose <doko@debian.org>
2663 * doc/invoke.texi: Fix spelling errors.
2665 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2667 PR rtl-optimization/23454
2668 * reorg.c (relax_delay_slots): Update comment.
2670 2006-08-11 Richard Guenther <rguenther@suse.de>
2673 * simplify-rtx.c (simplify_const_relational_operation):
2674 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2677 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2679 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2680 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2682 2006-08-10 Paul Brook <paul@codesourcery.com>
2684 * final.c (final_scan_insn): Clear current_insn_predicate before
2685 outputting inline asm.
2687 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2689 PR tree-optimization/26197
2690 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2691 get_ref_base_and_extent and overlap_subvar to add only relevant
2692 subvars as may-aliases.
2693 (add_may_alias_for_new_tag): New function, factored out of
2695 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2696 with additional argument.
2697 * tree-flow.h (new_type_alias): Takes additional argument.
2699 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2701 * gcov.c (no_data_file): New flag.
2702 (read_count_file): Set it if data file not present. Assume counts
2704 (output_lines): Don't name the data file, if there wasn't one.
2706 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2708 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2709 (rs6000_generate_compare): Tweak comments.
2710 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2712 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2714 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2715 (var_debug_decl): New function.
2716 (var_reg_set): Follow debug decl link. Add location even if
2717 reg is already known to hold some other variable.
2718 (var_mem_set): Follow debug decl link.
2719 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2720 decl link. Delete other known locations of the variable part
2722 (var_reg_delete, var_mem_delete): Delete other known locations
2723 of the variable part if requested.
2724 (same_variable_part_p): New function.
2725 (add_stores): Select MO_COPY when appropriate.
2726 (vt_initialize): Handle it.
2727 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2728 known locations for MO_SET and MO_CLOBBER.
2729 (find_variable_location_part): New function.
2730 (set_variable_part, delete_variable_part): Use it.
2731 (clobber_variable_part): New function.
2732 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2735 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2737 PR tree-optimization/26969
2738 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2739 with an empty list of PHIs.
2741 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2745 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2748 2006-08-06 Andreas Schwab <schwab@suse.de>
2750 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2751 string. Whitespace and comment fixup.
2753 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2756 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2760 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2763 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2765 2006-08-04 Jan Hubicka <jh@suse.cz>
2769 * reload.c (push_reload): Patch out the mismatching instruction;
2771 (find_reload): Bail out if the instruction was patched out.
2773 2006-08-04 Jan Hubicka <jh@suse.cz>
2775 PR tree-optimization/24888
2776 * tree-inline.c (expand_call_inline): Do not re-record variables.
2777 (declare_inline_vars): Add variable to unexpanded_var_list.
2779 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2780 Roger Sayle <roger@eyesopen.com>
2782 PR rtl-optimization/26244
2783 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2784 inner_const are negative or greater than or equal to the bitsize of
2785 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2786 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2787 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2788 CONST0_RTX (mode) when the new shift count is greater than or equal to
2789 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2792 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2794 * tree-cfg.c: Fix a comment typo.
2796 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2799 * varasm.c (output_constant): Give the front end another chance to
2800 expand constants, after stripping NOPs.
2802 2006-08-03 Jan Hubicka <jh@suse.cz>
2804 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2807 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2809 PR tree-optimization/27770
2810 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2811 declaration removed (moved to tree-flow.h).
2812 (vect_can_force_dr_alignment_p): Likewise.
2813 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2814 (moved from tree-vectorizer.h).
2815 (vect_can_force_dr_alignment_p): Likewise.
2816 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2817 from outside the vectorizer - in particular from cgraph stage.
2818 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2819 the alignment of global arrays when -fsection-anchors is enabled.
2820 * cgraphunit.c (cgraph_increase_alignment): New function.
2821 (cgraph_optimize): Call cgraph_increase_alignment.
2823 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2826 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2827 not reload a SPE symbol_ref into a lo_sum address.
2829 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2832 * dwarf2out.c (prune_unused_types_prune): Move call to
2833 prune_unused_types_update_strings to cover the parent DIE also.
2835 2006-08-02 Jan Hubicka <jh@suse.cz>
2837 PR gcov/profile/28480
2838 * tree-cfg.c (change_bb_for_stmt): New function.
2839 (tree_merge_blocks, tree_split_blocks): Use it.
2841 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2847 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2848 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2849 (cgraph_optimize): Likewise.
2851 2006-08-01 Stuart Hastings <stuart@apple.com>
2853 * rtl.h (UINTVAL) New.
2854 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2855 * testsuite/gcc.dg/20060801-1.c: New.
2857 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2860 * c-typeck.c (build_external_type): Mark used enum types.
2861 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2863 (gen_subprogram_die): Whitespace fix.
2865 2006-08-01 Jan Hubicka <jh@suse.cz>
2867 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2868 bitmap when not needed.
2869 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2872 2006-08-01 Dirk Mueller <dmueller@suse.de>
2874 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2876 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2878 * Makefile.in: Revert part of previous patch:
2879 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2882 2006-07-30 Eric Christopher <echristo@apple.com>
2885 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2886 (PowerPC Variable Attributes): New section.
2888 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2890 PR target/28126 (partial fix)
2891 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2893 2006-07-28 Jan Hubicka <jh@suse.cz>
2895 PR rtl-optimization/28071
2896 * cfgrtl.c (rtl_delete_block): Free regsets.
2897 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2899 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2901 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2902 and variables used in dependencies.
2904 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2906 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2907 %fs for -mcmodel=kernel.
2908 (stack_tls_protect_test_di): Likewise.
2910 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2912 * Makefile.in: Use mkinstalldirs.
2914 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2917 * opts-common.c (prune_options): Skip joined switches.
2919 2006-07-27 Jan Hubicka <jh@suse.cz>
2921 PR rtl-optimization/28071
2922 * cselib.c (cselib_process_insn): Don't remove useless values too
2923 often for very large hashtables.
2925 2006-07-27 Jan Hubicka <jh@suse.cz>
2927 PR rtl-optimization/28071
2928 * global.c (greg_obstack): New obstack.
2929 (allocate_bb_info): Use it.
2930 (free_bb_info): Likewise.
2931 (modify_reg_pav): Likewise.
2933 2006-07-27 Roger Sayle <roger@eyesopen.com>
2935 * builtins.c (fold_fixed_mathfn): When long and long long are the
2936 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2937 functions to their lceil*, lfloor*, lround* and lrint* forms.
2939 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2942 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2944 (rev_branch_insn): Likewise.
2946 2006-07-27 Jan Hubicka <jh@suse.cz>
2948 PR rtl-optimization/28071
2949 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2950 (reg_set_in_bb, max_reg_computed): New static variables.
2951 (regmove_optimize): Free the new array.
2952 (fixup_match_1): Update call of reg_is_remote_constant_p.
2954 2006-07-26 Jan Hubicka <jh@suse.cz>
2956 PR tree-optimization/27882
2957 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2959 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2961 (cgraph_analyze_compilation_unit): Likewise.
2962 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2963 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2964 (cgraph_early_inlinine): Make order garbage collected.
2965 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2967 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2969 * dbxout.c (output_types_sort): Add a comment.
2970 (output_used_types): Free the VEC.
2972 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2974 * function.c (reorder_fix_fragments): Delete.
2975 (reorder_blocks): Don't call it.
2976 (reorder_blocks_1): Put all subblocks under the origin block.
2978 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2980 PR rtl-optimization/27907
2981 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2984 2006-07-25 Roger Sayle <roger@eyesopen.com>
2987 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2988 bar(x) check that bar's result type can represent all the values of T.
2990 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2992 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2994 2006-07-25 Nick Clifton <nickc@redhat.com>
2996 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2997 size_lookup[] array.
2998 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2999 (ggc_pch_count_object): Likewise.
3000 (ggc_pch_alloc_object): Likewise.
3001 (ggc_pch_write_object): Likewise.
3002 (init_ggc): Do not attempt to initialize entries in the
3003 size_lookup[] array for objects whose size is greater than than
3004 the length of the array.
3006 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3008 * dbxout.c (output_used_types_helper): Push queued types
3010 (output_types_sort): New.
3011 (output_used_types): Collect used types on a VEC and sort them
3014 2006-07-24 Richard Guenther <rguenther@suse.de>
3017 * cgraph.c (cgraph_remove_node): Do not check if dumps
3019 * cgraphunit.c (cgraph_optimize): Likewise.
3021 2006-07-24 Jan Hubicka <jh@suse.cz>
3023 PR rtl-optimization/28071
3024 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3025 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3026 splitting before first stmt.
3028 2006-07-24 Jan Hubicka <jh@suse.cz>
3030 PR rtl-optimization/28071
3031 * ipa-inline.c (update_caller_keys): Remove edges that
3032 are no longer inline candidates.
3034 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3037 * dbxout.c (output_used_types_helper, output_used_types): New.
3038 (dbxout_symbol): Call output_used_types.
3040 2006-07-23 Jan Hubicka <jh@suse.cz>
3044 * cgraph.c (cgraph_varpool_nodes): Export.
3045 (decide_is_variable_needed): Ignored "used" attribute in
3046 unit-at-a-time mode.
3047 * cgraph.h (cgraph_varpool_nodes): Declare.
3048 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3049 unit-at-a-time mode.
3051 2006-07-23 Roger Sayle <roger@eyesopen.com>
3054 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3055 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3056 the __gthrw form of thr_keycreate.
3057 (__gthread_key_delete): Silence the unused argument warning.
3059 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3062 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3063 Cache the last found '\0' marker to avoid quadratic behavior.
3065 2006-07-23 Jan Hubicka <jh@suse.cz>
3067 * i386.md (subsi_3_zext): Fix output template.
3069 2006-07-21 Mike Stump <mrs@apple.com>
3071 * doc/invoke.texi (C++ Dialect Options): Note that
3072 -fvisibility-inlines-hidden doesn't affect explicitly
3073 instantiationed inline methods.
3075 2006-07-20 Roger Sayle <roger@eyesopen.com>
3077 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3078 if the target assembler is GNU binutils' gas.
3079 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3080 whether to pass GNU gas or native as command line options.
3082 2006-07-20 Jason Merrill <jason@redhat.com>
3084 * tree.c (remove_attribute): New fn.
3085 * tree.h: Declare it.
3087 2006-07-20 Paul Brook <paul@codesourcery.com>
3090 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3091 they are invalidated by this instruction.
3093 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3096 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3098 2006-07-20 Eric Christopher <echristo@apple.com>
3101 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3103 2006-07-19 Eric Christopher <echristo@apple.com>
3105 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3106 Rewrite dependencies for libgcc_s.1.dylib.
3108 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3110 * except.c (duplicate_eh_regions_1): Clear next_peer.
3112 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3114 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3115 -mlongcall does not guarantee all calls will be long.
3116 * doc/extend.texi (long_call/short_call): Document that longcall
3117 does not guarantee a long call will be used.
3118 (longcall/shortcall): Likewise.
3120 2006-07-18 Roger Sayle <roger@eyesopen.com>
3123 * expmed.c (expand_shift): Additionally check that the shift_cost
3124 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3125 before implementing a LSHIFT_EXPR as a sequence of additions.
3126 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3127 middle-end that DImode shifts need to be synthesized by expand.
3129 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3132 * tree-ssa-operands.c (access_can_touch_variable): Update
3134 Return true if ALIAS is .GLOBAL_VAR.
3136 2006-07-18 David Daney <ddaney@avtrex.com>
3138 * gcc.c (display_help): Fix typo in help text.
3140 2006-07-18 Olivier Hainque <hainque@adacore.com>
3142 * tree.h (categorize_ctor_elements): Adjust prototype and add
3143 descriptive comment, both in accordance with the interface change
3145 * varasm.c (constructor_static_from_elts_p): New function.
3146 Whether a constructor node is a valid static constant initializer
3147 if all its elements are.
3148 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3149 * output.h: Declare it.
3150 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3151 is a valid constant initializer instead of computing the number of
3152 non-constant elements. Use constructor_static_from_elts_p for this
3153 purpose. Replace the head comment with an indication that this is a
3154 helper for categorize_ctor_elements.
3155 (categorize_ctor_elements): Same interface change as for the _1
3156 helper. Former head comment from this helper moved here, adjusted to
3157 account for the interface changes.
3158 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3159 (all_zeros_p): Likewise.
3160 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3161 static versions of the constructor from the categorize_ctor_elements
3162 return value instead of the formerly computed number of non-constant
3165 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3167 * configure: Regenerate.
3168 * Makefile.in (build_libsubdir): New configure substitution
3169 (build_libobjdir): New variable.
3170 (BUILD_LIBIBERTY): Use it.
3172 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3175 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3177 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3180 * c-common.c (handle_weakref_attribute): Ignore attribute in
3181 the same conditions the alias attribute is ignored.
3183 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3185 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3186 (dbxout_begin_prologue): Increment scope_labelno.
3188 2006-07-17 Richard Henderson <rth@redhat.com>
3191 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3194 2006-07-17 Roger Sayle <roger@eyesopen.com>
3195 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3197 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3198 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3199 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3200 functions such as sbrk, write, etc.. Add function prototypes.
3201 Convert function declarations from K&R to ISO C. Cast pointers
3202 to "long" and "unsigned long" instead of "int" and "unsigned int".
3203 Convert tokens following #endif into comments.
3205 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3207 * invoke.texi: Remove mention of f77; Reformat table for
3208 inline parameter options correctly; mention that -malign-double
3209 is default on x86-64 targets.
3211 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3213 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3214 (convert_affine_scev, chrec_convert_aggressive): Use
3215 avoid_arithmetics_in_type_p. Do not check for the subtypes
3218 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3221 * optabs.c (expand_doubleword_shift): Wrap the call to
3222 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3224 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3227 * optabs.c (expand_binop): Pass next_methods rather than methods
3228 to expand_doubleword_shift.
3230 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3233 * tree.h (dump_addr): Declare.
3234 * print-tree.c (dump_addr): New function.
3235 (print_node_brief, print_node): Use it.
3236 * print-rtl.c (print_rtx): Likewise.
3237 * common.opt (-fdump-noaddr): New option.
3238 * doc/invoke.texi (-fdump-noaddr): Document.
3239 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3240 (ve_info_hash): Likewise.
3242 2006-07-13 Andrew Haley <aph@redhat.com>
3244 PR tree-optimization/19505
3245 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3246 edge leaving this block, make sure that the destination of this
3247 block has only one predecessor.
3249 2006-07-17 Richard Guenther <rguenther@suse.de>
3251 PR tree-optimization/28238
3252 * tree-inline.c (copy_bb): Check if we produced valid
3253 gimple copying and substituting a stmt. If not, gimplify
3256 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3258 * optabs.c (maybe_encapsulate_block): New function extracted from...
3259 (emit_libcall_block): ...here. Invoke it on the block of insns to
3260 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3261 (emit_no_conflict_block): Likewise.
3263 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3265 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3267 2006-07-15 Roger Sayle <roger@eyesopen.com>
3269 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3270 a new NOP_EXPR case of the switch statement.
3272 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3275 * stor-layout.c (place_field): Take the bit field with
3276 an excessive size into account in the ms-bitfiled case.
3279 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3280 the previous bit field.
3282 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3285 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3287 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3289 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3290 signal frames correctly even when the signal was installed with
3293 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3295 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3296 (dbxout_function_end): Use local label LFBB. Remove hook
3298 (dbxout_source_line): Use local label LFBB.
3299 (dbxout_block): Likewise.
3300 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3301 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3302 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3303 and DBX_OUTPUT_NFUN.
3305 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3307 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3309 2006-07-13 Jan Hubicka <jh@suse.cz>
3311 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3313 * output.h (align_variable): Declare.
3314 * varasm.c (align_variable): Export.
3315 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3316 when basic block changed.
3318 2006-07-13 Nick Clifton <nickc@redhat.com>
3320 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3321 walking the LOG_LINKS chain.
3323 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3325 * doc/invoke.texi (C++ Dialect Options): Explain difference
3326 between -fvisibility-inlines-hidden and setting hidden
3327 visibility explicitly.
3329 2006-07-12 Eric Christopher <echristo@apple.com>
3331 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3332 (stmp-lipo): Depend on libgcc.a.
3334 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3336 * tree.c: Fix a comment typo.
3338 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3340 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3342 (umulhisi3_r): Likewise.
3344 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3347 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3348 x < 19, vs wchar_t support.
3350 2006-07-12 Nick Clifton <nickc@redhat.com>
3352 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3353 instead of -isa=sh4.
3355 2006-07-12 Mike Stump <mrs@apple.com>
3357 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3359 2006-07-10 Eric Christopher <echristo@apple.com>
3361 * config/t-slibgcc-darwin: Rewrite.
3363 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3366 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3369 2006-07-08 Matthias Klose <doko@debian.org>
3371 * doc/sourcebuild.texi: Fix typo.
3373 2006-07-07 Mike Stump <mrs@apple.com>
3375 * toplev.c (process_options): Don't give -ffunction-sections may
3376 affect debugging warning for Mach-O.
3378 2006-07-07 James E Wilson <wilson@specifix.com>
3380 * config/mips/mips.md (cpu): Add sb1a.
3381 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3382 addition to sb1. Adjust comments to clarify SB-1A differences from
3384 (ir_sb1a_load): New. Modify bypasses to use it.
3385 (ir_sb1a_simple_alu): Likewise.
3386 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3387 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3388 (mips_issue_rate): Add PROCESSOR_SB1A.
3389 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3390 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3391 (TARGET_SB1): Add PROCESSOR_SB1A check.
3392 (TUNE_SB1): Likewise.
3394 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3395 * config/mips/mips.c (mips_store_data_bypass_p): New.
3396 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3397 store_data_bypass_p.
3399 2006-07-08 Paul Brook <paul@codesourcery.com>
3402 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3404 2006-07-07 Richard Guenther <rguenther@suse.de>
3407 * tree.h (build_one_cst): Declare.
3408 * tree.c (build_one_cst): New function.
3409 * tree-ssa-math-opts.c (get_constant_one): Remove.
3410 (insert_reciprocals): Use build_one_cst.
3411 * fold-const.c (fold_plusminus_mult): Likewise.
3413 2006-07-07 Roger Sayle <roger@eyesopen.com>
3415 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3416 * cfgloopanal.c (dump_graph): Likewise.
3417 * dojump.c (discard_pending_stack_adjust): Likewise.
3418 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3420 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3421 * function.c (finalize_block_changes): Likewise.
3422 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3423 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3424 * rtl.c (dump_rtx_statistics): Likewise.
3425 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3427 * varray.c (dump_varray_statistics): Likewise.
3428 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3429 decode_decimal64, encode_decimal128, decode_decimal128,
3430 decimal_real_to_decimal): Likewise.
3432 2006-07-07 Richard Guenther <rguenther@suse.de>
3434 PR tree-optimization/28187
3435 * tree-vrp.c (vrp_operand_equal_p): New function.
3436 (vrp_bitmap_equal_p): Likewise.
3437 (update_value_range): Use them to compare old and new
3440 2006-07-06 Roger Sayle <roger@eyesopen.com>
3442 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3443 a default case to switch statement to silence compiler warnings.
3445 2006-07-06 Roger Sayle <roger@eyesopen.com>
3448 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3449 the configured assembler supports the x87's ffreep mnemonic.
3450 * configure: Regenerate.
3451 * config.in: Regenerate.
3453 * config/i386/i386.c (output_387_ffreep): New function.
3454 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3455 (output_387_reg_move): Likewise.
3457 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3459 Port to hosts whose 'sort' and 'tail' implementations
3460 treat operands with leading '+' as file names, as POSIX
3461 has required since 2001. However, make sure the code still
3462 works on pre-POSIX hosts.
3463 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3464 which says you should use "tail -c +N" rather than "tail +Nc".
3465 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3467 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3469 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3472 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3475 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3476 PRE_{INC,DEC} of TFmode.
3478 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3479 Alan Modra <amodra@bigpond.net.au>
3482 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3485 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3488 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3489 Remove duplicate gtu.
3491 2006-07-05 Jason Merrill <jason@redhat.com>
3495 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3496 * c-common.c (handle_packed_attribute): So don't copy it here.
3497 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3499 2006-07-05 Mike Stump <mrs@apple.com>
3501 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3503 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3506 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3508 2006-07-05 Richard Guenther <rguenther@suse.de>
3511 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3512 TARGET_SSE2 targets if using SSE math.
3513 (*absdf2_1): Likewise.
3515 2006-07-05 Richard Guenther <rguenther@suse.de>
3517 PR tree-optimization/28162
3518 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3519 make sure to convert the operands to the correct type.
3521 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3523 PR tree-optimization/28218
3525 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3526 to calculate and free the dominator information.
3528 2006-07-04 Peter O'Gorman <peter@pogma.com>
3530 * mklibgcc.in: chmod 644 before ranlib during install.
3532 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3533 J"orn Rennecke <joern.rennecke@st.com>
3535 * configure.ac (.eh_frame data check): Use diff -b.
3537 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3540 * Makefile.in (BUILD_RTL): Add build/vec.o.
3541 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3542 (build/genextract): Delete.
3543 (build/genautomata): Likewise.
3545 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3548 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3549 128-bit IBM long doubles for ABI_V4.
3551 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3553 * tree.c (range_in_array_bounds_p): New predicate.
3554 * tree.h (range_in_array_bounds_p): Declare it.
3555 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3556 return a less conservative answer.
3557 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3558 and flag 'is_group'.
3559 (IS_ELEMENT_FOR_GROUP): New macro.
3560 (FOR_EACH_ACTUAL_CHILD): Likewise.
3561 (next_child_for_group): New helper function.
3562 (can_completely_scalarize_p): Take into account groups.
3563 (sra_hash_tree): Handle RANGE_EXPR.
3564 (sra_elt_eq): Likewise.
3565 (lookup_element): Be prepared for handling groups.
3566 (is_valid_const_index): Delete.
3567 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3568 instead of is_valid_const_index.
3569 <ARRAY_RANGE_REF>: New case.
3570 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3571 is_valid_const_index.
3572 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3573 (scan_dump): Dump info for groups too.
3574 (decide_instantiation_1): Likewise.
3575 (decide_block_copy): Assert that the element is not a group.
3576 Propagate decision to groups.
3577 (generate_one_element_ref): Handle RANGE_EXPR.
3578 (mark_no_warning): Iterate over actual childs.
3579 (generate_copy_inout): Likewise.
3580 (generate_element_copy): Likewise.
3581 (generate_element_zero): Likewise.
3582 (generate_element_init_1): Likewise.
3583 (dump_sra_elt_name): Handle RANGE_EXPR.
3585 2006-07-03 Roger Sayle <roger@eyesopen.com>
3587 PR tree-optimization/26251
3588 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3589 (thread_block): When optimizing for size refuse to thread jumps
3590 that would require duplication of blocks other than redirection
3593 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3595 * configure.ac: Fix thinko in previous check-in.
3596 * configure: Regenerate.
3598 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3601 * configure.ac (for lang...): Simplify nesting of conditionals.
3602 Test subdir_requires for non-enabled languages. Move processing
3603 of lang_opt_files and lang_tree_fiels below that test.
3604 * configure: Regenerate.
3605 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3607 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3609 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3611 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3613 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3616 2006-06-29 Jason Merrill <jason@redhat.com>
3623 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3624 * c-common.c (c_determine_visibility): Handle it here.
3625 * c-decl.c (finish_decl): Call c_determine_visibility for
3627 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3629 * varasm.c (default_assemble_visibility): Likewise.
3630 * c-common.c (handle_visibility_attribute): Complain about trying
3631 to give visibility to an already defined class, or trying to change
3632 declared visibility. Always attach the attribute.
3637 * attribs.c (decl_attributes): Ignore type-in-place attributes
3638 once the type has been defined.
3640 2006-06-29 Roger Sayle <roger@eyesopen.com>
3643 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3644 to indicate the cpplib has issued an error message for us.
3646 2006-06-29 Asher Langton <langton2@llnl.gov>
3649 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3650 insert a label at the end of an function under Mach-O.
3652 2006-06-29 Eric Christopher <echristo@apple.com>
3653 Evan Cheng <evan.cheng@apple.com>
3655 * predicates.md (vector_all_ones_operand): New.
3656 (nonimmediate_or_sse_const_operand): Ditto.
3657 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3658 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3659 (standard_sse_mode_p): Ditto.
3660 (standard_sse_constant_p): Add case for -1 vector.
3661 (ix86_expand_vector_move): Try to use.
3662 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3663 Call standard_sse_constant_opcode.
3664 (*movv4sf_internal): Ditto.
3665 (*movv2df_internal): Ditto.
3667 2006-06-29 Roger Sayle <roger@eyesopen.com>
3669 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3670 of XEXP to extract the operands of a MATCH_CODE rtx.
3672 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3674 * tree.c (tree_size): Do not waste tail padding in
3675 struct tree_string and make the size be the same as
3676 build_string will generate.
3678 2006-06-28 Jason Merrill <jason@redhat.com>
3681 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3682 may_aliases already in the tag's annotations to the bitmap.
3684 2006-06-28 Roger Sayle <roger@eyesopen.com>
3686 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3688 2006-06-28 Roger Sayle <roger@eyesopen.com>
3690 * genpreds.c (generate_switch_p): New function.
3691 (add_mode_tests): Push the new mode test down inside an AND expr
3692 if this allows the switch-suitable MATCH_CODE to be near the root.
3693 (write_match_code_switch): New function to write a MATCH_CODE as
3695 (write_predicate_stmts): New function to write a predicate RTX
3696 expression as a sequence of statements.
3697 (write_one_predicate_function): Use write_predicate_stmts.
3698 (write_tm_constrs_h): Likewise.
3700 2006-06-26 Fred Fish <fnf@specifix.com>
3702 * config/mips/t-sb1: New file.
3703 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3706 2006-06-26 DJ Delorie <dj@redhat.com>
3708 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3710 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3711 Jayant Sonar <jayants@kpitcummins.com>
3712 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3714 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3715 (subsi3, subsi3_1, subsi3_2): New.
3716 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3717 * config/m32c/mov.md (SI mov peephole): New.
3718 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3719 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3721 2006-06-26 Olivier Hainque <hainque@adacore.com>
3723 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3724 a CALL_EXPR target function declaration.
3726 2006-06-26 Richard Guenther <rguenther@suse.de>
3728 * tree.c (build_string): Do not waste tail padding in
3731 2006-06-26 Richard Guenther <rguenther@suse.de>
3733 * ggc-page.c (init_ggc): Add missing element to size_lookup
3737 2006-06-23 Richard Guenther <rguenther@suse.de>
3739 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3740 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3741 alignment requests instead. Add verification code.
3742 Add struct tree_function_decl and struct tree_binfo size to
3743 extra_order_size_table. Add missing element to size_lookup
3746 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3749 * fold-const.c (const_binop): Be prepared for self returning zero.
3750 Simplify code handling complex values.
3752 2006-06-24 Olivier Hainque <hainque@adacore.com>
3754 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3755 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3758 2006-06-24 Olivier Hainque <hainque@adacore.com>
3760 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3761 ARRAY_REF, so have the callback called for the low bound expression.
3763 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3765 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3766 * c-typeck.c (c_common_type): Disallow operations on decimal float
3767 types and other float types.
3768 * convert.c (convert_to_real): Don't ignore conversions involving
3769 decimal float types.
3771 2006-06-23 Olivier Hainque <hainque@adacore.com>
3773 * tree.c (max_int_size_in_bytes): New function, inspired from
3774 code in function.c:assign_temp.
3775 * tree.h (max_int_size_in_bytes): Declare.
3776 * function.c (assign_temp): Use it.
3777 * gimplify.c (create_tmp_var): Relax the assertions on the type
3778 properties, not mandating constant size any more.
3779 (force_constant_size): New static function.
3780 (gimple_add_tmp_var): Use it, forcing variable size to a
3781 constant upper bound if it is not constant on entry.
3783 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3786 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3787 for initialization and setting of one_only flag to ...
3788 (i386_pe_encode_section_info): ...here.
3789 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3790 Recheck that the symbol has not been defined.
3792 2006-06-23 Richard Guenther <rguenther@suse.de>
3794 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3795 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3796 alignment requests instead. Add verification code.
3797 Add struct tree_function_decl and struct tree_binfo size to
3798 extra_order_size_table. Add missing element to size_lookup
3801 2006-06-22 Roger Sayle <roger@eyesopen.com>
3802 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3805 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3806 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3808 2006-06-23 Ben Elliston <bje@au.ibm.com>
3810 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3811 negate dn -- manipulate it directly.
3813 2006-06-22 Roger Sayle <roger@eyesopen.com>
3814 Steven Bosscher <stevenb.gcc@gmail.com>
3817 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3818 generated by gen_move_insn to add REG_LABEL notes if necessary.
3820 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3822 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3823 (leaf_entry): Remove use of MIN_ESA.
3825 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3827 PR rtl-optimization/28121
3828 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3831 2006-06-21 DJ Delorie <dj@redhat.com>
3833 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3835 (mulhisi3_r): Likewise.
3837 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3840 * coverage.c (coverage_counter_alloc): Leave the index type
3842 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3845 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3847 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3848 section from the "Options for Code Generation Conventions".
3850 2006-06-21 Richard Henderson <rth@redhat.com>
3854 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3856 (global_symbolic_operand): Allow weak symbols, even if local_p.
3858 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3860 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3861 (find_interesting_uses_address): Punt if above function returns true.
3863 2006-06-21 Richard Guenther <rguenther@suse.de>
3865 * configure: Regenerated.
3867 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3869 * config/mips/mips.c (function_arg): Where one part of a
3870 complex argument is in registers and the other part in the stack,
3871 return a REG not a PARALLEL.
3873 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3875 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3876 when cross-compiling. Do not substitute libstdcxx_incdir.
3877 * configure: Regenerated.
3879 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3881 * varasm.c (mergeable_string_section): Check for embedded NULs and
3882 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3883 rather than TREE_STRING_LENGTH bytes.
3885 2006-06-21 Richard Guenther <rguenther@suse.de>
3887 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3888 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3891 2006-06-21 Richrad Guenther <rguenther@suse.de>
3893 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3894 Limit iteration over the dominators.
3896 2006-06-20 Roger Sayle <roger@eyesopen.com>
3898 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3899 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3901 2006-06-20 Richard Guenther <rguenther@suse.de>
3902 Michael Matz <matz@suse.de>
3904 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3906 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3907 * et-forest.h (et_free_pools): Prototype new function.
3908 * et-forest.c (et_free_tree_force): Free parent occurrence.
3909 (et_free_pools): New function.
3910 * dominance.c (free_dominance_info): Free et-forest alloc
3913 2006-06-20 Roger Sayle <roger@eyesopen.com>
3915 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3916 integer modes, attempt to directly construct an integer constant.
3918 * fold-const.c (native_encode_vector): Determine the size of each
3919 element from the vector type instead of the first vector element.
3921 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3922 if all of its elements/components are constant.
3923 (build_constructor_from_list): Likewise.
3925 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3927 PR tree-optimization/27331
3928 * tree-data-ref.c (free_data_ref): New function.
3929 (create_data_ref): Fail if the data reference has unknown access
3931 (free_data_refs): Use free_data_ref.
3933 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3936 * tree-inline.c (setup_one_parameter): Strip useless
3937 type conversion before adding it to the IR.
3938 (declare_return_variable): Likewise.
3940 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3943 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3945 2006-06-19 Mike Stump <mrs@apple.com>
3947 * tree.c (variably_modified_type_p): VM arguments don't make the
3950 2006-06-19 Richard Guenther <rguenther@suse.de>
3952 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3953 type conversions after folding.
3955 2006-06-19 Richard Guenther <rguenther@suse.de>
3957 * ggc-page.c (extra_order_size_tab): Add entries with
3958 size of struct function and basic_block.
3959 (size_lookup): Extend to cover sizes up to 511.
3960 (ggc_alloc_stat): Adjust user.
3961 (ggc_pch_count_object): Likewise.
3962 (ggc_pch_alloc_object): Likewise.
3963 (ggc_pch_write_object): Likewise.
3965 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3967 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3968 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3971 2006-06-19 Denis Chertykov <denisc@overta.ru>
3973 * config/avr/libgcc.S : Correct my wrong previous commit.
3975 2006-06-19 Roger Sayle <roger@eyesopen.com>
3978 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3979 have stripped a SUBREG from the shift count, so we may need to
3980 convert_to_mode back to the type's mode before calling make_tree.
3981 Use new_amount instead of amount to avoid expanding a tree twice.
3983 2006-06-19 Richard Guenther <rguenther@suse.de>
3986 * fold-const.c (operand_equal_p): Check if the argument types
3987 have the same precision before stripping NOPs.
3989 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3991 Fix PR tree-optimization/27341
3992 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3994 * tree-complex.c (pass_lower_complex): Update SMT usage.
3996 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3998 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3999 Add a new alternative to the constraint strings. Add move of
4000 operand 1 to 3 to the splitter definition.
4001 ("doloop_si_long"): Second contraint alternative removed.
4003 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4005 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4006 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4008 (AVR_HAVE_MOVW) Define.
4009 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4010 (ASM_SPEC): Add avr25.
4011 (LINK_SPEC): Add avr25.
4012 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4013 (base_arch_s): Add new member 'have_movw_lpmx'.
4014 (avr_arch_types): Init 'have_movw_lpmx'.
4015 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4016 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4017 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4018 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4019 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4021 (avr_file_start): Do not output '.arh' derective.
4022 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4023 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4024 * config/avr/avr.md (mcu_enhanced): Delete.
4025 (mcu_have_movw): Define.
4026 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4027 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4028 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4029 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4030 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4031 attiny861 and at86rf401 devices.
4033 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4035 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4038 2006-06-17 Karl Berry <karl@gnu.org>
4040 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4041 doc/gccint.texi, doc/install.texi (@dircategory): Use
4042 "Software development" instead of "Programming", following
4043 the Free Software Directory.
4045 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4047 * config/i386/i386.c (legitimate_tls_address)
4048 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4049 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4050 (*tls_dynamic_gnu2_combine_64): Likewise.
4052 2006-06-16 Richard Guenther <rguenther@suse.de>
4055 * fold-const.c (negate_expr_p): Do not introduce undefined
4056 overflow in negating INTEGER_CSTs.
4057 (fold_negate_expr): Rename from negate_expr. Revert last
4058 change for folding BIT_NOT_EXPR. Change semantics to
4059 return NULL_TREE for non-simplified negations. Do not
4060 strip type conversions and unify type handling.
4061 (negate_expr): New function, wrap around fold_negate_expr
4062 but ensure building a tree always. Strip type conversions
4063 here, fold to result type.
4064 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4066 2006-06-16 Roger Sayle <roger@eyesopen.com>
4069 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4070 that (would) return their results in stack registers.
4072 2006-06-16 Michael Matz <matz@suse.de>
4073 Richard Guenther <rguenther@suse.de>
4075 * fold-const.c (fold_truthop): Only return new tree node if
4076 we canonicalized something.
4078 2006-06-16 Richard Guenther <rguenther@suse.de>
4080 * function.h (enum function_frequency): Move declaration
4081 out of struct function.
4082 (struct function): Move bool fields and the enum to the bitfield
4083 section. Reorder elements to avoid padding. Remove unused
4084 fields left over from the RTL inliner removal.
4085 * function.c (free_after_compilation): Do not zero removed fields.
4086 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4087 (ipa-type-escape.o): Likewise.
4089 2006-06-16 Richard Guenther <rguenther@suse.de>
4091 * cgraph.h (struct cgraph_local_info): Turn bool elements
4093 (struct cgraph_node): Likewise.
4094 (struct cgraph_varpool_node): Likewise.
4096 2006-06-15 Richard Guenther <rguenther@suse.de>
4098 * fold-const.c (fold_truth_not_expr): Rename from
4099 invert_truthvalue. Give it fold_* semantics to avoid
4101 (invert_truthvalue): New function. Wrapper around
4102 fold_truth_not_expr.
4103 (optimize_minmax_comparison): Avoid creating garbage.
4104 (fold_unary): Use fold_truth_not_expr for folding
4106 (fold_ternary): Replace uses of invert_truthvalue with
4107 fold_truth_not_expr where applicable.
4108 * tree.h (fold_truth_not_expr): Prototype.
4110 2006-06-16 Richard Guenther <rguenther@suse.de>
4112 PR tree-optimization/27781
4113 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4114 * ipa-pure-const.c (target.h): Include.
4115 (analyze_function): Do not analyze functions that do not
4118 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4121 * tree-dfa.c (referenced_vars_dup_list): Remove.
4122 (find_referenced_vars): Remove assert.
4123 (referenced_var_check_and_insert): Replace dup list with assert.
4124 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4125 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4127 2006-06-15 Richard Guenther <rguenther@suse.de>
4129 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4130 extra unused identifiers if not dumping.
4131 (create_variable_info_for): Likewise.
4133 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4135 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4136 (derive_constant_upper_bound): Derive more precise upper bound in
4137 common cases. Return type changed to double_int.
4138 (record_estimate): Reflect the changed return type of
4139 derive_constant_upper_bound.
4140 * double-int.c (double_int_zext, double_int_sext): Fix.
4142 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4144 * configure.ac (CFLAGS): Get them from the toplevel or from the
4145 configure invocation.
4146 * configure: Regenerate.
4147 * Makefile.in (CFLAGS): Substitute value provided by configure.
4149 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4152 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4153 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4154 rather than calling add_stmt on it.
4155 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4157 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4160 * reload1.c (reload): Remove registers returned by update_eliminables
4161 from used_spill_regs.
4163 2006-06-13 DJ Delorie <dj@redhat.com>
4165 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4167 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4169 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4170 html__strip_dir, html__mkdir_p. Enhance install-html target.
4171 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4172 * configure: Regenerate.
4174 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4176 * fold-const.c (fold_cond_expr_with_comparison): Check for
4177 Objective-C++ as language in deciding COND_EXPR transformation.
4179 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4182 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4183 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4184 * config/sh/lib1funcs.h (SL, SL1): Define.
4185 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4186 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4187 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4188 (OBJS_Os_4_200): New variable.
4189 ($(T)libgcc-Os-4-200.a): Use it.
4190 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4191 when dividing 1 and/or by 0.
4193 2006-06-13 Roger Sayle <roger@eyesopen.com>
4195 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4196 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4197 * configure: Regenerate.
4199 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4201 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4202 for real instruction.
4204 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4207 * haifa-sched.c (check_cfg): Handle special case.
4209 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4212 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4213 Add debug_info parameter. Chain the vars to the BLOCK instead
4214 of the BIND_EXPR if debug info are requested for them.
4215 (pop_gimplify_context): Adjust for above change.
4216 (gimple_add_tmp_var): Likewise.
4217 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4219 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4220 (convert_local_reference): Likewise.
4221 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4222 (finalize_nesting_tree_1): Request that debug info be emitted
4223 for debug_var_chain.
4225 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4227 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4228 for PR target/27863.
4230 2006-06-13 Richard Guenther <rguenther@suse.de>
4233 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4235 2006-06-13 Richard Guenther <rguenther@suse.de>
4237 PR tree-optimization/27830
4238 * tree-inline.c (copy_body_r): For copying the operand
4239 of an ADDR_EXPR make sure to fold &* afterwards.
4241 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4243 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4244 lvalues in the fb_none case with side-effects.
4246 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4248 * tree-flow.h: Remove the prototype for
4249 compute_phi_arg_on_exit.
4250 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4251 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4254 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4256 * builtins.c (expand_builtin_return_addr): Only use
4257 frame_pointer_rtx when count == 0 and we are expanding
4258 __builtin_return_address.
4260 2006-06-12 Fred Fish <fnf@specifix.com>
4262 * config/mips/mips.c (mips_file_start): Create special section
4263 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4265 2006-06-11 Eric Christopher <echristo@apple.com>
4268 * stor-layout.c (place_field): Remove check for
4269 remaining_in_alignment when aligning at the end of a run.
4271 2006-06-11 Eric Christopher <echristo@apple.com>
4274 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4277 2006-06-11 Roger Sayle <roger@eyesopen.com>
4280 Revert incorrect fix for PR target/27158
4281 2006-05-08 Roger Sayle <roger@eyesopen.com>
4282 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4283 of a reg_equiv_constant if the result is a legitimate constant.
4285 2006-06-11 Roger Sayle <roger@eyesopen.com>
4288 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4289 extract a CONST_VECTOR element and interpret it as an integer.
4290 (vspltis_constant): Use const_vector_elt_as_int instead of the
4291 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4292 * config/rs6000/predicates.md (easy_vector_const): Consider
4293 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4295 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4298 * stor-layout.c (update_alignment_for_field): Don't add extra
4299 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4302 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4304 * config/mips/t-rtems: Add EL/EB multilib variants.
4306 2006-06-09 Mike Stump <mrs@apple.com>
4308 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4310 2006-06-09 David Daney <ddaney@avtrex.com>
4312 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4314 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4316 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4318 2006-06-09 Richard Guenther <rguenther@suse.de>
4320 PR tree-optimization/26998
4321 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4322 of signed types, only TYPE_MIN_VALUE is special, but for both,
4323 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4324 in this case, as is -fwrapv.
4326 2006-06-08 Mike Stump <mrs@apple.com>
4329 * config/darwin.c (darwin_asm_output_anchor): Disable
4330 -fsection-anchors on darwin for now.
4331 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4332 * rs6000/rs6000.c (optimization_options): Likewise.
4334 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4337 * config/i386/i386.c (classify_argument): Skip fields with invalid
4340 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4342 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4343 (cse_insn): Likewise for the stack_pointer_rtx.
4345 2006-06-08 Roger Sayle <roger@eyesopen.com>
4347 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4348 conditions from floating point comparisons.
4350 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4353 * expmed.c (struct alg_hash_entry): Fix type of field T
4354 to match synth_mult argument.
4355 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4357 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4360 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4363 2006-06-08 Richard Guenther <rguenther@suse.de>
4366 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4367 only, if overflow is defined and not trapping.
4368 (negate_expr): Likewise.
4370 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4372 PR tree-optimization/27872
4373 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4374 flag on the new exit edge of the unrolled loop.
4376 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4378 PR rtl-optimization/26449
4379 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4381 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4384 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4385 referenced_variables with matching DECL_UID's.
4386 (find_referenced_vars): Make sure duplicate list is empty to start.
4387 (referenced_var_p): Remove.
4388 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4389 Check if var is in the list, and add if needed. Update the duplicate
4390 list if a different var is in the list with the same DECL_UID.
4391 (add_referenced_var): Call routine to check and insert.
4392 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4393 * tree-flow.h (referenced_vars_dup_list): External declaration.
4395 2006-06-07 Fred Fish <fnf@specifix.com>
4397 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4400 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4403 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4404 the imaginary and real parts of a clobbered register.
4405 Emit insn to set the imaginary part.
4407 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4409 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4410 in lieu of unwind-dw2-fde.c.
4412 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4414 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4416 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4419 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4420 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4421 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4422 V4SImode temporaries and operations instead.
4424 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4426 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4429 2006-06-06 Mike Stump <mrs@apple.com>
4431 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4432 installing during build.
4434 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4436 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4438 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4439 * config/ia64/ia64.c (params.h): New header.
4440 (ia64_optimization_options): New function to adjust parameters.
4441 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4442 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4443 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4445 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4447 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4449 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4452 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4454 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4455 Victor Kaplansky <victork@il.ibm.com>
4457 PR tree-optimization/26360
4458 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4461 2006-06-04 Roger Sayle <roger@eyesopen.com>
4462 Andrew Pinski <pinskia@physics.uc.edu>
4465 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4466 for LABEL_DECL before calling DECL_WEAK.
4469 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4470 LABEL_DECL and PARM_DECL.
4472 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4476 * c-decl.c (grokdeclarator): Disallow variably modified types at
4477 file scope. Avoid marking shared array type of constant size as
4480 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4483 * c-common.c (fold_offsetof_1): Handle static members.
4485 2006-06-04 Eric Christopher <echristo@apple.com>
4487 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4488 (debug_rli): Output value for remaining_in_alignment.
4489 (update_alignment_for_field): Unconditionalize
4490 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4491 extra alignment code.
4492 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4493 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4494 * tree.h (record_layout_info_s): Remove prev_packed.
4495 * doc/extend.texi (ms_struct): Add documentation of format.
4497 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4499 * tree.h: Declare folding_initializer.
4500 * builtins.c (fold_builtin_constant_p): Give definite answer
4501 if folding inside an initializer.
4502 * fold-const.c: Define folding_initializer.
4503 (START_FOLD_INIT): Save and then set folding_initializer.
4504 (END_FOLD_INIT): Restore folding_initializer.
4506 2006-06-04 Richard Guenther <rguenther@suse.de>
4508 PR tree-optimization/27039
4509 * fold-const.c (fold_comparison): Handle pointer comparison
4510 again for all comparison codes. Compare offsets in signed
4512 (fold_binary): Move code from here.
4514 2006-06-03 Roger Sayle <roger@eyesopen.com>
4517 * config/i386/i386.c (construct_container): Split static issued_error
4518 flag into issued_sse_arg_error, issued_sse_ret_error and
4519 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4520 requires the use of x87 registers and the user explicitly
4521 specified the -mno-80387 command line option.
4523 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4525 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4526 HAVE_DECL_SIGALTSTACK.
4528 (segv_handler): Use MC_FLD.
4529 * configure.ac: Check for a sigaltstack declaration.
4530 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4531 * configure: Regenerate.
4532 * config.in: Regenerate.
4534 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4537 * Makefile.in (stmp-fixinc): Fix typo.
4539 2006-06-02 Roger Sayle <roger@eyesopen.com>
4541 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4542 are type correct. Clean-up.
4543 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4544 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4546 2006-06-01 DJ Delorie <dj@redhat.com>
4548 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4549 shift, as we've disabled the "switch" insn that needs it.
4551 2006-06-01 Per Bothner <bothner@bothner.com>
4553 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4554 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4555 * c-ppoutput.c (cb_define): Don't increment line 0.
4557 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4559 * doc/invoke.texi: Add cpu_type power6.
4560 * config.gcc: Add cpu_type power6.
4561 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4562 to power5+ with Altivec.
4563 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4564 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4566 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4568 * config/avr/avr.h (SET_ASM_OP): Define.
4570 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4572 * config/bfin/bfin.c: Fix comment typos.
4574 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4577 * doc/install.texi: Document --enable-bootstrap and
4578 --disable-bootstrap.
4580 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4582 * doc/install.texi: Document that InfoZIP can replace jar.
4584 2006-05-31 Roger Sayle <roger@eyesopen.com>
4586 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4587 isn't available, directly generate the simpler x87 patterns without
4588 the (use (const_int 0)).
4589 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4590 implementation isn't available.
4591 (*negdf2_1): Likewise.
4592 (*negxf2_1): XF mode negation is always done using the x87.
4593 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4595 2006-05-31 Roger Sayle <roger@eyesopen.com>
4597 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4598 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4600 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4602 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4604 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4605 * config/bfin/bfin.c (basic-block.h): Include.
4606 (struct machine_function): New.
4607 (bfin_init_machine_status): New.
4608 (override_options): Initialize init_machine_status.
4609 (bfin_hardware_loop): New.
4610 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4611 (DEF_VEC_P (loop_info)): New.
4612 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4613 (struct loop_info): New.
4614 (loop_info): New typedef.
4615 (struct loop_work): New.
4616 (loop_work): New typedef.
4617 (DEF_VEC_O (loop_work)): New.
4618 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4619 (bfin_dump_loops): New.
4620 (bfin_bb_in_loop): New.
4621 (bfin_scan_loop): New.
4622 (bfin_optimize_loop): New.
4623 (bfin_reorg_loops): New.
4624 (bfin_reorg): Use bfin_reorg_loops.
4625 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4627 (I_REGNO_P): Simplify.
4628 (DP_REGNO_P, DPREG_P): New macros.
4629 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4630 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4631 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4632 Add LT_REGS, LC_REGS, LB_REGS.
4633 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4635 (REGNO_REG_CLASS): Deal with loop registers.
4636 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4638 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4639 New constants for loop registers.
4640 (UNSPEC_LSETUP_END): New.
4641 (seq_insns): New define_attr. Set it for appropriate insns.
4642 (movsi_insn): Add alternatives for move from/to
4643 loop count registers.
4644 (doloop_end): New define_expand.
4645 (loop_end): New define_insn.
4646 (define_split for bad doloop_end): New.
4647 (lsetup_with_autoinit): New define_insn.
4648 (lsetup_without_autoinit): New define_insn.
4649 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4650 * config/bfin/predicates.md (lc_register_operand): New.
4651 (lt_register_operand): New.
4652 (lb_register_operand): New.
4653 (nondp_register_operand): New.
4654 (nondp_reg_or_memory_operand): New.
4655 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4657 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4659 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4660 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4662 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4664 * Makefile.in (CATALOGS): Add po/ prefix.
4665 * configure: Regenerated.
4667 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4670 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4671 a shift operand before calling shift_op. Avoid redundant call of
4674 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4675 DJ Delorie <dj@redhat.com>
4677 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4678 we're inserting is a singlt-bit constant.
4680 2006-05-30 Roger Sayle <roger@eyesopen.com>
4682 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4683 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4685 2006-05-30 Roger Sayle <roger@eyesopen.com>
4687 PR tree-optimization/23452
4688 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4689 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4690 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4691 complex values and with -ffast-math for FP complex values.
4693 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4695 * c-common.h: Remove the prototype for yyparse.
4696 * rtl.h: Remove the prototype for init_loop.
4698 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4700 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4703 2006-05-30 Roger Sayle <roger@eyesopen.com>
4705 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4707 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4708 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4710 2006-05-30 Dirk Mueller <dmueller@suse.de>
4713 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4714 for CONSTANT_CLASS_P expresisons.
4716 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4719 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4721 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4723 PR tree-optimization/27779
4724 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4725 initial_condition instead of CHREC_LEFT.
4727 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4729 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4730 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4731 Make prototypes ISO C90.
4733 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4734 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4736 * see.c (see_analyze_one_def): Correct check.
4737 (see_get_extension_data): Check if extension is parallel.
4738 (see_get_extension_reg): Likewise.
4740 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4743 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4744 into register for (code == GTU).
4746 2006-05-29 Roger Sayle <roger@eyesopen.com>
4748 PR tree-optimization/24964
4749 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4750 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4751 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4752 abs(x)*abs(x) as x*x for scalar floating point modes.
4754 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4757 * lambda-code.c (perfect_nestify): Don't copy statements
4758 in the inner loop: move them to the inner loop header.
4760 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4763 * c-tree.texi: Document OpenMP directives and clauses.
4765 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4767 * varasm.c (globalize_decl): Fix indentation.
4769 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4772 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4773 pass_fre, pass_store_ccp, pass_copy_prop,
4774 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4775 pass_return_slot, pass_object_size, pass_lim,
4776 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4777 pass_loop_prefetch and pass_stdarg.
4779 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4781 * config/bfin/bfin.opt (mfdpic): New option.
4782 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4783 (EXTRA_MULTILIB_PARTS): Likewise.
4784 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4785 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4787 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4788 (CRT_CALL_STATIC_FUNCTION): New.
4789 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4791 (CRT_CALL_STATIC_FUNCTION): New.
4792 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4794 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4795 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4796 (initialize_trampoline): Changed to handle FD-PIC code generation.
4797 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4798 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4799 (override_options): Disallow -mid-shared-library -mfdpic combination.
4800 Can't do unaligned ops if FD-PIC.
4801 Turn off flag_pic if trying to generate non-id-shared-library
4802 non-fdpic code, since it's not supported.
4803 (bfin_assemble_integer): New function.
4804 (TARGET_ASM_INTEGER): Define.
4805 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4807 * config/bfin/crtn.s: Restore them.
4808 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4810 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4811 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4812 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4813 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4814 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4816 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4817 FDPIC_REGS and FDPIC_FPTR_REGS.
4818 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4819 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4820 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4821 (load_funcdescsi): New pattern.
4822 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4823 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4824 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4826 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4828 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4831 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4833 * tree-flow.h: Remove the prototype for add_type_alias.
4834 * tree-ssa-alias.c (add_type_alias): Remove.
4836 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4838 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4839 config/fr30/fr30.md, config/i386/i386-interix.h,
4840 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4841 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4842 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4843 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4844 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4845 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4846 Follow spelling conventions.
4847 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4848 Follow spelling conventions.
4850 2006-05-27 Richard Guenther <rguenther@suse.de>
4853 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4854 to produce a constant of value 1 of generic type.
4856 2006-05-27 Dirk Mueller <dmueller@suse.de>
4858 * cgraphunit.c (decide_is_function_needed): Fix wrong
4861 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4863 PR rtl-optimization/27661
4864 * reload.c (find_reloads): When reloading a VOIDmode constant
4865 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4866 use Pmode as mode of the reload register.
4868 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4870 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4871 is enabled at -O and above.
4873 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4876 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4879 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4882 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4883 for anonymous variables explicitly declared by front ends.
4885 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4887 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4888 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4889 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4890 ref-all pointers, run a finalization pass for them.
4891 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4892 (finalize_ref_all_pointers): New function.
4893 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4894 regular pointer type to a ref-all pointer type.
4895 (get_tmt_for): Return the special memory tag for ref-all pointers.
4897 2006-05-25 Richard Guenther <rguenther@suse.de>
4900 * fold-const.c (fold_binary): Do not look at the stripped
4901 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4903 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4905 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4906 for LT and GT if the computed range is effectively empty.
4908 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4911 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4912 mips_quad_format formats instead of ieee_single_format,
4913 ieee_double_format and ieee_quad_format formats, respectively.
4915 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4917 PR tree-optimization/27639
4918 PR tree-optimization/26719
4919 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4920 call to scev_probably_wraps_p.
4921 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4922 used_in_pointer_arithmetic_p, convert_step): Removed.
4923 (nowrap_type_p): New function.
4924 (scev_probably_wraps_p): Rewritten.
4925 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4926 chrec_convert if chrec_convert_aggressive might have been used.
4927 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4928 scev_direction): New functions.
4929 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4930 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4931 instead of convert_step.
4932 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4933 (convert_step): Declaration removed.
4934 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4936 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4938 * df-core.c: Added to header comments.
4939 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4940 df_ur_bb_info, df_urec_bb_info): Added comments.
4941 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4942 urec, ri problems): Fixed header comments.
4943 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4944 code from df_rd_transfer_function.
4946 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4948 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4949 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4950 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4952 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4954 * expr.c (undefined_operand_subword_p): New.
4955 (emit_move_multi_word): Do not generate move from undefined bits
4956 of a paradoxical subreg.
4958 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4960 PR rtl-optimization/27736
4961 * combine.c (replaced_rhs_value): New variable.
4962 (combine_instructions): Set it.
4963 (distribute_notes): When distributing a note in replaced_rhs_insn,
4964 check whether the value was used in replaced_rhs_value.
4966 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4969 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4970 add_referenced_var instead of add_referenced_tmp_var.
4971 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4972 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4974 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4975 tree_optimize_tail_calls_1): Use add_referenced_var.
4976 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4977 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4978 Use add_referenced_var.
4979 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4980 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4981 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4982 Use add_referenced_var.
4983 * tree-dfa.c (struct walk_state): Remove.
4984 (find_referenced_vars): Remove walk state and vars_found hash table.
4985 (make_rename_temp): Use add_referenced_var.
4986 (find_vars_r): Pass less parameters to add_referenced_var.
4987 (referenced_var_p): New. Is var in referenced_var hash table.
4988 (referenced_var_insert): Assert var isn't already in hash table.
4989 (add_referenced_var): Don't need walk_state parameter. Add var if it
4990 isn't already in the hash table.
4991 (add_referenced_tmp_var): Remove.
4992 (find_new_referenced_vars_1): Use add_referenced_var.
4993 * tree-ssa-pre.c (create_expression_by_pieces,
4994 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4995 Use add_referenced_var.
4996 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4997 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4998 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5000 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5001 vect_create_data_ref_ptr, vect_create_destination_var,
5002 vect_init_vector, vect_build_loop_niters,
5003 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5004 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5005 Use add_referenced_var.
5006 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5007 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5008 (add_referenced_var): Add prototype.
5009 * tree-ssa-structalias.c (get_constraint_for,
5010 intra_create_variable_infos): Use add_referenced_var.
5012 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5014 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5015 big-endian paradoxical subregs.
5016 * var-tracking.c (struct micro_operation_def): Document that,
5017 for modify micro operations, insn is the subsequent instruction.
5018 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5019 (var_reg_set, var_mem_set): ... new functions.
5020 (add_stores): Record subsequent insn.
5021 (compute_bb_dataflow): Use new functions for MO_USE.
5022 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5023 notes after the insn, and modify notes before the insn known
5024 to be the subsequent one.
5025 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5027 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5030 * config/i386/i386.c (ix86_expand_builtin): Use
5031 gen_sse3_monitor64 for TARGET_64BIT.
5033 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5035 PR rtl-optimization/26375
5036 PR rtl-optimization/26855
5037 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5039 (df_ru_bb_local_compute): Reversed statements and removed bogus
5040 comment explaining why they should be in wrong order.
5041 (df_ru_dump, df_rd_dump): Enhanced debug info.
5042 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5044 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5045 reaching uses and fixed space problem.
5047 2006-05-23 Jan Hubicka <jh@suse.cz>
5049 * cgraphunit.c (decide_is_function_needed): Also nested functions
5050 and functions declared inline can be optimized out at -O0.
5052 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5054 * doc/install.texi (Configuration): Remove reference to CrossGCC
5058 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5061 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5062 ix86_compare_emitted is non-NULL.
5064 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5067 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5070 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5072 PR rtl-optimization/25514
5073 * combine.c (replaced_rhs_insn): New variable.
5074 (combine_instructions): Set replaced_rhs_insn when trying to replace
5075 a SET_SRC with a REG_EQUAL note.
5076 (distribute_notes): Use replaced_rhs_insn when determining the live
5077 range of a REG_DEAD register.
5079 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5080 Anatoly Sokolov <aesok@post.ru>
5082 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5083 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5084 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5085 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5086 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5087 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5088 at90usb647, at90usb1286 and at90usb1287 devices.
5089 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5090 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5092 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5094 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5096 2006-05-22 Richard Guenther <rguenther@suse.de>
5099 2006-01-31 Richard Guenther <rguenther@suse.de>
5100 Paolo Bonzini <bonzini@gnu.org>
5102 * doc/install.texi (--disable-libgcc-math): Document.
5104 2006-05-22 Richard Guenther <rguenther@suse.de>
5107 2006-01-31 Richard Guenther <rguenther@suse.de>
5109 * doc/invoke.texi (-msselibm): Document.
5110 * target.h (expand_library_builtin): New target hook.
5111 * builtins.c (expand_builtin): Use expand_library_builtin.
5112 (default_expand_library_builtin): New function.
5113 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5114 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5115 (link_gcc_math_spec): Declare.
5116 (static_specs): Add link_gcc_math_spec.
5117 * expr.h (default_expand_library_builtin): Declare.
5118 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5119 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5120 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5121 * config/i386/i386.opt (msselibm): New target option.
5122 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5123 (ix86_init_sse_abi_builtins): New function.
5124 (ix86_expand_library_builtin): Likewise.
5125 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5126 (override_options): Handle error conditions wrt -msselibm.
5127 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5128 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5129 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5132 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5135 * c-common.c (self_promoting_args_p): Skip erroneous args.
5138 * c-decl.c (finish_struct): Skip erroneous fields.
5140 2006-05-22 Nick Clifton <nickc@redhat.com>
5142 * config/cris/cris.opt (march): Remove VarExists attribute.
5143 (max-stackframe=): Likewise.
5145 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5147 * doc/rtl.texi: Fix a typo.
5148 * see.c: Fix comment typos.
5150 * tree-ssa-structalias.h (alias_info): Remove num_references.
5152 2006-05-21 Mike Stump <mrs@apple.com>
5154 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5156 (darwin_pragma_options): Use BAD instead.
5157 (darwin_pragma_unused): Likewise.
5158 (darwin_pragma_ms_struct): Likewise.
5160 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5162 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5164 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5166 PR rtl-optimization/27671
5167 * simplify-rtx.c (simplify_relational_operation_1): Fix
5168 simplifications of (eq/ne (xor x y) y) and
5169 (eq/ne (xor x y) x).
5171 PR tree-optimization/26622.
5172 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5175 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5177 * tree-cfg.c: Prune whitespace.
5178 (debug_tree_cfg): Point to correct header containing the
5181 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5184 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5186 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5189 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5190 or sorry count is non zero.
5192 2006-05-20 Andreas Schwab <schwab@suse.de>
5194 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5196 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5197 Kenneth Zadeck <zadeck@naturalbridge.com>
5199 PR rtl-optimization/26855
5201 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5203 (df_scan_alloc): Added code to properly handle multiword hard
5204 registers and add all_blocks parameter.
5205 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5206 code to properly handle multiword hard registers.
5207 (df_rescan_blocks): Added code to remove deleted blocks from
5209 (df_ref_create_structure, df_ref_record): Added code to properly
5211 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5212 and set DF_REF_PARTIAL.
5213 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5214 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5215 (df_scan_add_problem): Added flags parameter.
5216 (df_ref_create_structure): Changed switching structure.
5217 (df_bb_refs_record): Fixed case where duplicate artificial refs
5218 were created. Changed location of flags.
5219 (df_record_entry_block_defs): Added code to make stack pointer
5220 live in entry block. Refined cases where frame pointer is needed.
5221 Changed location of flags.
5222 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5223 (df_set_state): Removed function.
5224 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5225 df_insn_create_insn_record, df_insn_refs_delete,
5226 df_ref_create_structure): Formatting changes.
5227 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5228 df_delete_basic_block): New function.
5229 (df_init): Changed location of flags.
5230 (df_add_problem): Added flags parameter and the way flags are
5232 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5233 debug_df_chain): Improved debugging output.
5234 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5235 (df_refs_chain_dump): Removed df parameter.
5236 (df_iterative_dataflow): Added consistency check.
5237 (df_prune_to_subcfg): Made public.
5238 (df_analyze_problem): Added blocks_to_init parameter and made
5240 (df_ref_record, df_bb_refs_record, df_mark_reg,
5241 df_record_exit_block_uses): Whitespace changes.
5242 (df_dump): Whitespace changes.
5243 * df.h: Some reordering to remove forward references.
5244 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5245 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5246 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5247 (dataflow.flags): New field.
5248 (df.flag): Deleted field.
5249 (df_alloc_function): Added additional bitmap parameter.
5250 (df_dependent_problem_function): New type.
5251 (df_problem.changeable_flags): New field.
5252 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5253 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5254 (df_mw_hardreg): New struct.
5255 (DF_INSN_UID_MWS): New macro.
5256 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5258 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5259 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5260 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5261 (df_set_state): Removed function.
5262 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5263 * df-problems.c (df_chain_dump): Removed df parameter.
5264 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5265 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5267 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5268 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5269 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5270 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5271 DF_REF_MUST_CLOBBER cases.
5272 (df_ru_bb_local_compute_process_def,
5273 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5274 df_lr_bb_local_compute, df_ur_bb_local_compute,
5275 df_chain_create_bb): Made subreg aware.
5276 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5277 df_lr_bb_local_compute, df_lr_bb_local_compute,
5278 df_chain_create_bb): Cleanup to use proper macros.
5279 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5280 code to fixup bitvectors.
5281 (df_ri_alloc): Cleared lifetime.
5282 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5283 df_create_unused_note): New function.
5284 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5285 REG_DEAD and REG_UNUSED notes as well as register information.
5286 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5287 df_chains_dump): Fixed crash if problem was never run.
5288 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5289 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5290 df_ri_add_problem): Processes flags in uniform manner.
5291 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5292 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5293 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5294 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5295 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5296 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5297 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5298 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5299 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5300 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5301 * see.c (see_initialize_data): Ditto.
5302 * final.c (rest_of_clean_state) Added regstack_completed.
5303 * rtl.h (regstack_completed): Ditto.
5304 * reg-stack.c (regstack_completed): Ditto.
5306 2006-05-19 Mike Stump <mrs@apple.com>
5308 * c-tree.h (default_conversion): Remove.
5309 * c-common.h (default_conversion): Add.
5311 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5313 * tree-vrp.c (valid_value_p): New function.
5314 (adjust_range_with_scev): Fail if the value of bound is not
5317 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5319 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5320 (mips_fallback_frame_state): Use syscall numbers to determine
5321 the appropriate li instruction for the current ABI. Only use
5322 __NR_sigreturn for o32.
5324 2006-05-19 Nicolas Setton <setton@adacore.com>
5326 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5327 * langhooks.c (lhd_dwarf_name): New function.
5328 * langhooks-def.h (lhd_dwarf_name): Declare.
5329 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5330 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5331 * ada/misc.c (gnat_dwarf_name): New function.
5332 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5334 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5336 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5338 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5339 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5340 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5341 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5342 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5343 determine the size of Wtype, etc.
5344 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5345 (swfloatfuncs): New variable.
5346 (dwfloatfuncs): Likewise.
5347 (lib2funcs): Remove floating-point conversion functions from
5348 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5349 the set of conversion routines needed. Allow entries to specify
5350 an object name, filename and word size. Update users accordingly.
5351 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5352 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5356 2006-02-08 Roger Sayle <roger@eyesopen.com>
5359 * config/fixtfdi.c: New libgcc source file.
5360 * config/fixunstfdi.c: New source file.
5361 * config/floatditf.c: New source file.
5362 * config/floatunditf.c: New souce file.
5363 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5364 files above instead of config/mips/_tilib.c.
5365 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5367 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5369 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5370 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5372 2006-05-18 Mike Stump <mrs@apple.com>
5374 Fix up vla, vm and [*] sematics.
5380 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5381 (c_vla_unspec_p): Add.
5382 (c_vla_type_p): Add.
5383 * c-decl.c (struct c_scope): Add had_vla_unspec.
5384 (build_array_declarator): Add support for [*].
5385 (grokdeclarator): Likewise.
5386 (grokparms): Likewise.
5387 (get_parm_info): Likewise.
5388 * c-objc-common.c (c_vla_unspec_p): Likewise.
5389 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5390 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5391 typeof when argument is a variably modified type not inside sizeof or alignof.
5392 (c_parser_direct_declarator_inner): Propagate errors.
5393 (c_parser_sizeof_expression): Add support for [*].
5394 (c_parser_parms_declarator): Initialize had_vla_unspec.
5395 (c_parser_parms_list_declarator): Likewise.
5396 * c-typeck.c (c_vla_type_p): Add.
5397 (composite_type): Add support for vla compositing.
5398 (comptypes_internal): Add support for vla compatibility.
5399 (c_expr_sizeof_expr): Evaluate vla arguments.
5400 * tree.c (variably_modified_type_p): Update comment for [*].
5402 2006-05-18 Michael Matz <matz@suse.de>
5405 * config.host: Make assignments to host_xmake_file cumulative.
5406 * config.host (*-darwin*): Test $host, not $target.
5408 2006-05-12 Stuart Hastings <stuart@apple.com>
5410 * config/i386/i386.opt (-mstackrealign): New flag.
5411 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5412 (ix86_handle_cconv_attribute): Emit error when
5413 force_align_arg_pointer attribute collides with too many regparms.
5414 (ix86_function_regparm): Limit regparms when used with
5415 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5416 Support stack-realigning prologue in non-main functions. Emit
5417 warning for nested functions under -mstackrealign, emit error for
5418 nested functions with force_align_arg_pointer attribute.
5419 * doc/extend.texi (force_align_arg_pointer): Document it.
5420 * doc/invoke.texi (-mstackrealign): Document it.
5422 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5424 PR rtl-optimization/27477
5425 * combine.c (try_combine): Don't split a parallel consisting
5426 of two sets into two individual sets if both sets reference
5429 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5431 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5432 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5434 * doc/options.texi (VarExists): Updated.
5436 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5438 * unwind-dw2.c: Add declarations for uw_update_context and
5440 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5441 detected, advance frame state and context once to skip over stub.
5443 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5447 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5448 Call rewrite_into_loop_closed_ssa only when something changed.
5449 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5450 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5451 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5452 Test for perfect_nest_p here. Fix formating.
5453 (replace_uses_equiv_to_x_with_y): Fix formating.
5454 (stmt_uses_op): Removed.
5455 (can_convert_to_perfect_nest): Removed loopivs parameter.
5456 Complete the test by checking the scalar dependences.
5457 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5460 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5463 From Dan Kegel <dank@kegel.com>:
5464 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5466 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5468 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5469 if the element type is variably modified without recursing.
5471 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5474 * tree-loop-linear.c (try_interchange_loops): Test for
5475 no data dependences.
5477 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5479 PR tree-optimization/27548
5480 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5481 range of ssa names that appear on abnormal edges.
5482 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5483 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5485 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5488 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5490 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5493 * tree.h (OMP_PARALLEL_COMBINED): Define.
5494 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5495 (new_omp_context): Add is_combined_parallel argument.
5496 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5497 new_omp_context caller.
5498 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5499 Adjust gimplify_scan_omp_clauses callers.
5500 (omp_is_private): Issue errors if iteration variable is firstprivate
5501 or reduction in the current context.
5502 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5503 on combined parallel workshare constructs.
5505 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5507 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5508 (gcc-options.o): New rule.
5510 * optc-gen.awk: Protect variables for gcc-options.o with
5511 #ifdef GCC_DRIVER/#endif.
5513 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5515 Fix PR tree-optimization/27373
5516 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5517 (forward_propagate_addr_expr): Update call.
5519 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5521 * doc/options.texi: Move the Negative option.
5523 2006-05-16 Richard Guenther <rguenther@suse.de>
5525 PR tree-optimization/22303
5526 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5528 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5529 ccp_fold did not simplify the statement.
5531 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5534 * Makefile.in (GCC_OBJS): New.
5535 (OBJS-common): Add opts-common.o.
5536 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5537 (cpp$(exeext)): Likewise.
5538 (gcc.o): Also depend on opts.h.
5539 (opts-common.o): New.
5541 * common.opt (gcoff): Add Negative(gdwarf-2).
5542 (gdwarf-2): Add Negative(gstabs).
5543 (gstabs): Add Negative(gstabs+).
5544 (gstabs+): Add Negative(gvms).
5545 (gvms): Add Negative(gxcoff).
5546 (gxcoff): Add Negative(gxcoff+).
5547 (gxcoff+): Add Negative(gcoff).
5548 * config/i386/i386.opt (m32): Add Negative(m64).
5549 (m64): Add Negative(m32).
5551 * doc/options.texi: Document the Negative option.
5553 * gcc.c: Include "opts.h".
5554 (main): Call prune_options after expandargv.
5556 * optc-gen.awk: Generate common declarations for all flag
5557 variables in options.c. Output the neg_index field.
5559 * opts.c (find_opt): Moved to ...
5560 * opts-common.c: Here. New file.
5562 * opts.h (cl_option): Add a neg_index field.
5564 (prune_options): Likewise.
5566 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5569 * omp-low.c (expand_omp_parallel): Don't assert
5570 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5571 instead search for it.
5574 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5577 2006-05-16 Andreas Schwab <schwab@suse.de>
5579 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5582 2006-05-15 Roger Sayle <roger@eyesopen.com>
5585 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5586 integer constants other than zero are only legitimate on TARGET_64BIT.
5587 <CONST_VECTOR> Only zero vectors are legitimate.
5588 (ix86_cannot_force_const_mem): Integral and vector constants can
5589 always be put in the constant pool.
5591 2006-05-16 DJ Delorie <dj@redhat.com>
5593 * crtstuff.c (__dso_handle): Set section from
5594 TARGET_LBIGCC_SDATA_SECTION if defined.
5595 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5596 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5598 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5601 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5604 2006-05-16 Ben Elliston <bje@au.ibm.com>
5606 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5608 2006-05-15 Per Bothner <per@bothner.com>
5610 * tree.c: (last_annotated_node): Use source_locus typedef.
5611 This permits bootstrapping with --enable-mapped-location.
5613 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5615 PR tree-optimization/26830
5616 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5617 (info_for_ssa_name, current_info_for_ssa_name_age,
5618 blocks_to_update): New variables.
5619 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5620 (clear_ssa_name_info, initialize_flags_in_bb,
5621 mark_block_for_update): New functions.
5622 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5623 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5624 prepare_def_site_for): Use mark_block_for_update.
5625 (mark_def_interesting): Assert that the processed block is marked in
5626 blocks_to_update. Do not take blocks argument.
5627 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5629 (rewrite_update_init_block, rewrite_update_stmt): Only process
5630 blocks with statements to rewrite.
5631 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5632 (update_ssa): Initialize and free blocks_to_update. Do not
5633 clear flags on statements. Do not use blocks bitmap.
5634 * tree.h (SSA_NAME_AUX): Removed.
5635 (struct tree_ssa_name): Removed aux field.
5636 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5638 2006-05-15 Richard Guenther <rguenther@suse.de>
5640 PR tree-optimization/27603
5641 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5642 Do computations in original type.
5644 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5646 * see.c: Code style changes such as redundant paranthesis,
5647 redundant intialization of local variables etc.
5648 (see_main): Declared now as static.
5649 * doc/invoke.texi: Update that -fsee is not enabled by
5652 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5654 * omp-low.c (check_omp_nesting_restrictions): New function.
5655 (scan_omp_1): Call it.
5658 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5659 construct, return *VAR.
5661 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5663 PR rtl-optimization/27406
5664 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5667 2006-05-14 Roger Sayle <roger@eyesopen.com>
5669 PR rtl-optimization/27538
5670 * combine.c (expand_compound_operation): Call gen_lowpart
5671 before calling simplify_shift_const.
5673 2006-05-14 Roger Sayle <roger@eyesopen.com>
5675 PR rtl-optimization/22563
5676 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5677 a fixed width bitfield, always force the intermediates into psuedos.
5679 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5682 * mkconfig.sh: Use operator = instead of == for test.
5684 2006-05-13 Nick Clifton <nickc@redhat.com>
5686 * dwarf2out.c (dbx_reg_number): Check return value from
5687 LEAF_REG_REMAP and only use it if it is valid.
5688 (multiple_reg_loc_descriptor): Likewise.
5690 2006-05-13 Richard Guenther <rguenther@suse.de>
5692 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5695 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5697 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5698 information attached to non-INSNs such as NOTEs.
5699 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5701 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5703 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5705 * config/s390/s390.md: Adjust comment describing On constraint.
5707 2006-05-11 Jan Hubicka <jh@suse.cz>
5709 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5710 to be output at -O0.
5712 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5715 * fold-const.c (size_binop): Move sanity check for arguments to
5716 the beginning of the function.
5719 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5722 2006-05-11 Richard Guenther <rguenther@suse.de>
5725 * fold-const.c (fold_unary): Handle intermediate conversion
5726 to a pointer type like intermediate conversion to an integer
5727 type in folding of (T1)(T2)var to var.
5728 Match the code to the comment in the final conversion for
5729 (T1)(T2)var to (T1)var regarding to type precision. Rather
5730 than disallow T1 being of pointer type, assert that both T1
5731 and var are of pointer type or not. Make sure not to fall
5732 over the frontends lazyness wrt array to pointer decay though.
5734 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5736 * arm.c (arm_struct_value_rtx): Delete.
5737 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5738 (arm_init_cumulative_args): Always initialize nregs to zero.
5740 2006-05-10 Richard Guenther <rguenther@suse.de>
5742 PR tree-optimization/27532
5743 * tree-object-size.c (plus_expr_object_size): Fix typo.
5745 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5748 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5749 ashrdi_const, ashrdi3): Use a scratch register.
5751 2006-05-10 Richard Guenther <rguenther@suse.de>
5753 PR tree-optimization/27302
5754 * fold-const.c (operand_equal_p): For two comparisons,
5755 try comparison of one comparison code swapped if that yields
5758 2006-05-10 Ben Elliston <bje@au.ibm.com>
5760 * tree-pretty-print.c (pretty_print_string): No need to handle
5761 '\0' as a special character.
5763 * tree.h: Include "hashtab.h".
5764 (iterative_hash_expr): Use hashval_t in its prototype.
5765 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5767 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5770 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5771 (hppa*64*-*-hpux11*): Ditto.
5772 (hppa[12]*-*-hpux11*): Ditto.
5774 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5777 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5779 2006-05-09 Michael Matz <matz@suse.de>
5781 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5782 host_extra_gcc_objs and host_xmake_file.
5783 (<*-*-linux*>): Don't overwrite host_xmake_file.
5784 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5785 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5786 (host_detect_local_cpu): Declare.
5787 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5788 * config/i386/i386.c (override_options): Handle -mtune=native
5790 * config/i386/x-i386: New file.
5791 * config/i386/driver-i386.c: New file.
5792 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5795 2006-05-09 Dirk Mueller <dmueller@suse.de>
5796 Richard Guenther <rguenther@suse.de>
5799 * fold-const.c (fold_read_from_constant_string): Relax check
5800 for matching types to matching modes.
5802 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5804 PR rtl-optimization/27335
5805 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5808 2006-05-08 Chao-ying Fu <fu@mips.com>
5809 Richard Sandiford <richard@codesourcery.com>
5811 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5812 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5813 * config/mips/mips.md (UNSPEC_SCC): New constant.
5814 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5815 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5816 (mips_emit_compare): Use it.
5817 (mips_expand_vcondv2sf): New function.
5819 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5821 Fix PR tree-optimization/27093
5822 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5823 renaming when they become not-used_alone.
5825 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5827 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5828 relocation and relocation stubs.
5830 2006-05-08 Eric Christopher <echristo@apple.com>
5832 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5835 2006-05-08 Jan Hubicka <jh@suse.cz>
5838 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5839 unused static functions are needed.
5841 2006-05-08 Roger Sayle <roger@eyesopen.com>
5844 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5845 of a reg_equiv_constant if the result is a legitimate constant.
5847 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5850 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5851 standard 80387 constants, raise the cost to prevent
5852 compress_float_constant() to generate load from memory.
5854 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5856 * config/arm/constraints.md (c): Fix a typo.
5858 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5861 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5864 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5866 (_mm_mwait): Likewise.
5868 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5870 (sse3_monitor): Make it 32bit only.
5871 (sse3_monitor64): New. 64bit monitor.
5873 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5876 * config/i386/i386.c (classify_argument): Skip fields with invalid
5879 2006-05-07 Richard Guenther <rguenther@suse.de>
5881 PR tree-optimization/27409
5882 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5883 Do not try to find zero-sized subvars.
5885 2006-05-07 Richard Guenther <rguenther@suse.de>
5887 PR tree-optimization/27136
5888 * tree-ssa-loop-niter.c (get_val_for): Correct function
5889 comment, assert requirements.
5890 (loop_niter_by_eval): Stop processing if the iterated
5891 value did not simplify.
5893 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5895 * opts.c (flag_see): remove its setting at -O3.
5897 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5899 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5900 * arm/constraints.md: New file.
5901 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5902 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5903 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5904 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5905 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5906 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5907 * arm.md: Include constraints.md.
5908 (thumb_movsi_insn): Use satisfies_constraint_J.
5909 (movhi, movqi): Use satisfies_constraint_I.
5911 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5913 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5914 for atmeg a645 device.
5916 2006-05-06 Richard Guenther <rguenther@suse.de>
5918 PR tree-optimization/27151
5919 * tree-vect-transform.c (vectorizable_condition): Punt on
5920 values that have a different type than the condition.
5922 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5925 * c-parser.c (c_parser_cast_expression): Only insert casts into
5926 hash table if pointer.
5927 * function.c (used_types_insert_helper): Rename from
5929 (used_types_insert): Call used_types_insert_helper.
5930 * function.h (used_types_insert): Accept only one argument.
5932 2006-05-05 David Edelsohn <edesohn@gnu.org>
5934 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5935 scratch with output modifier.
5937 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5940 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5941 with output modifier.
5943 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5946 * config/mips/mips.c (mips_symbolic_address_p): Return true
5947 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5948 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5950 2006-05-04 Richard Guenther <rguenther@suse.de>
5952 PR tree-optimization/14287
5953 PR tree-optimization/14844
5954 PR tree-optimization/19792
5955 PR tree-optimization/21608
5956 PR tree-optimization/27090
5957 * tree-ssa-pre.c (try_combine_conversion): New function.
5958 (compute_avail): After constructing the value-handle
5959 expression, use try_combine_conversion to combine NOP_EXPRs
5960 with previous value-handle expressions and use the result if it
5963 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5965 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5967 2006-05-04 Jan Hubicka <jh@suse.cz>
5970 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5972 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5974 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5975 that this only matches CONST_INTs. All users changed to VOIDmode
5978 * config/bfin/bfin.c: Include "optabs.h".
5979 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5981 (enum bfin_builtins): Add a number of fractional and vector builtins.
5982 (bfin_init_builtins): Likewise.
5983 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5984 (safe_vector_operand, bfin_expand_binop_builtin,
5985 bfin_expand_unop_builtin): New functions.
5986 (bfin_expand_builtin): Handle the new builtins.
5987 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5990 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5993 * Makefile.in (OBJS-common): Add see.o.
5994 (see.o): Add dependencies.
5995 * common.opt (fsee): New flag for the see optimization was added.
5996 * opts.c (flag_see): Initialized.
5997 * passes.c (init_optimization_passes, pass_see): New pass.
5998 * rtl.h (see_main): Declaration as extern.
5999 * timevar.def (TV_SEE): New.
6000 * tree-pass.h (pass_see): Declaration as extern.
6001 * invoke.texi (-fsee): Document.
6002 * recog.c (validate_simplify_insn): New function.
6003 * recog.h (validate_simplify_insn): Declaration as extern.
6004 * df-problems.c (df_chain_dump): Check for NULL.
6006 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6007 Daniel Berlin <dberlin@dberlin.org>
6009 * cfgrtl.c (insert_insn_bb_end_new): New function.
6010 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6012 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6014 * df.h (struct web_entry): Moved from web.c.
6015 (union_defs): Declaration as extern.
6016 (unionfind_root): Likewise.
6017 (unionfind_union): Likewise.
6018 * web.c (struct web_entry): Moved to df.h.
6019 (unionfind_root): Remove static declaration.
6020 (unionfind_union): Likewise.
6021 (union_defs): Likewise and generalize to use callback function.
6022 (web_main): Update arguments for union_defs function call.
6024 2006-05-04 Richard Guenther <rguenther@suse.de>
6026 PR tree-optimization/26447
6027 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6028 produce SSA_NAME copies before the store stmt to avoid
6029 breaking exception handling.
6031 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6034 * gimplify.c (omp_is_private): If var is shared in some outer context,
6035 return false instead of true. Stop searching on parallel context
6038 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6041 * coverage.c: Use get_gcov_unsigned_t() instead of
6042 unsigned_type_node all over.
6044 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6046 PR tree-optimization/27381
6047 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6048 maintain the same immediate_use links.
6049 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6050 node rather than segfaulting.
6052 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6055 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6056 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6057 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6059 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6061 Fix PR tree-optimization/26626
6062 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6064 * tree-ssa-operands.c (access_can_touch_variable): Allow
6065 typecasting through union pointers.
6067 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6070 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6071 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6072 to find if var will be a global variable even in the nested context.
6073 (omp_copy_decl): Only check for global variable at the end, it might
6074 be overridden in outer contexts.
6075 (scan_sharing_clauses): For global variables don't create a field.
6076 (lower_rec_input_clauses): Do nothing for global shared variables.
6077 Emit a barrier at the end of ILIST if there were any decls in both
6078 firstprivate and lastprivate clauses.
6079 (lower_send_clauses): Do nothing for global variables except for
6082 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6084 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6085 of the correct signedness is returned.
6087 2006-05-02 Jeff Law <law@redhat.com>
6089 PR tree-optimization/27364
6090 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6091 multiply expressions.
6093 2006-05-02 Tom Tromey <tromey@redhat.com>
6095 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6097 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6100 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6101 -mthumb -fPIC are used.
6103 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6104 Joshua Kinard <kumba@gentoo.org>
6107 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6108 with 64-bit pointers.
6110 2006-05-02 Paul Brook <paul@codesourcery.com>
6112 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6114 (create_fix_barrier): Check that a suitable barrier location is
6116 (arm_reorg): Include ftmp->address in allowable range of addresses.
6118 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6121 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6124 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6127 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6128 around RESULT_DECL for result passed by reference.
6129 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6130 * omp-low.c (use_pointer_for_field): Don't look at
6131 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6132 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6133 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6134 time or var for passing by reference for
6135 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6136 TREE_ADDRESSABLE variables when passing by reference.
6138 * omp-low.c (dump_omp_region): Fix output formatting.
6141 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6142 (expand_omp_parallel): Likewise.
6143 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6146 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6147 on statement list containing also constructors and destructors.
6148 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6151 * except.c (duplicate_eh_regions): Fix clearing of
6152 cfun->eh->region_array entries.
6154 2006-05-01 DJ Delorie <dj@redhat.com>
6156 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6158 (gcc_cv_objdump): Likewise.
6159 * configure: Regenerated.
6161 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6164 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6165 templates for case 3 and 4.
6167 2006-05-01 DJ Delorie <dj@redhat.com>
6169 * vec.c: Include bconfig.h when appropriate.
6170 * Makefile.in (build/vec.o): Adjust dependencies.
6171 * mkconfig.sh: Make sure config.h isn't used for build machine
6174 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6176 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6178 (mark_phi_for_rewrite): New function.
6179 (insert_phi_nodes_for, mark_use_interesting): Call
6180 mark_phi_for_rewrite.
6181 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6182 (update_ssa): Initialize and free phis_to_rewrite.
6184 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6186 PR rtl-optimization/27291
6187 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6188 folded to a constant.
6190 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6192 PR tree-optimization/27283
6193 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6194 not whole # of iteration descriptions.
6195 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6196 uses abnormal ssa name.
6197 (niter_for_single_dom_exit): Ditto.
6198 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6199 return just the number of iterations.
6201 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6203 PR tree-optimization/27144
6204 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6205 (record_estimate): Only record constant upper bound.
6206 (infer_loop_bounds_from_undefined): Call
6207 compute_estimated_nb_iterations just once.
6208 (proved_non_wrapping_p): Renamed to ...
6209 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6210 (convert_step_widening, scev_probably_wraps_p): Call
6211 n_of_executions_at_most instead of proved_non_wrapping_p.
6212 (substitute_in_loop_info): Do not replace values in bounds.
6213 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6216 2006-05-01 Richard Henderson <rth@redhat.com>
6219 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6220 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6223 2006-05-01 Roger Sayle <roger@eyesopen.com>
6225 * c-typeck.c (parser_build_binary_op): Don't call the function
6226 unsigned_conversion_warning to spot operand/result type overflow.
6227 (build_binary_op): Instead, call convert_and_check instead of
6228 convert to report the problem when the operands are promoted.
6229 * c-common.c (unsigned_conversion_warning): Make static.
6230 * c-common.h (unsigned_conversion_warning): Delete prototype.
6232 2006-05-01 Richard Guenther <rguenther@suse.de>
6234 PR tree-optimization/26726
6235 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6237 (find_interesting_uses_address): ... we work around here
6238 by folding INDIRECT_REFs in the substituted base.
6240 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6242 * omp-low.c (dump_omp_region): Add newlines.
6244 2006-04-30 Roger Sayle <roger@eyesopen.com>
6246 * common.opt (Woverflow): New command line option.
6247 * c-common.c (constant_expression_warning): Check warn_overflow.
6248 (overflow_waring): Pass OPT_Woverflow to warning.
6249 (unsigned_conversion_warning): Likewise.
6250 (convert_and_check): Likewise.
6251 * doc/invoke.texi: Document new command line option.
6253 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6255 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6256 TARGET_NO_FP_IN_TOC for section anchors.
6257 (optimization_options): Enable section anchors for all
6258 non-"Objective" languages.
6260 2006-04-28 Eric Christopher <echristo@apple.com>
6262 * config/darwin-c.c (darwin_ms_struct): Move this
6263 (darwin_set_default_type_attributes): and this...
6264 * config/darwin.c: ... here.
6265 * config/darwin.h (darwin_ms_struct): Declare.
6267 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6269 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6271 2006-04-28 Roger Sayle <roger@eyesopen.com>
6274 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6275 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6276 an unsigned HOST_WIDE_INT.
6277 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6279 (really_start_incremental_init): No need to call convert because
6280 bitsize_zero_node is already of type bitsizetype.
6281 (push_init_level): Extract the value of constructor_index as an
6282 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6283 (process_init_element): Likewise.
6285 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6287 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6288 value before passing to make_relative_prefix.
6290 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6293 * builtins.c (expand_builtin_memset): Expand val in original mode.
6295 2006-04-27 Eric Christopher <echristo@apple.com>
6297 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6298 with #ifndef/#endif.
6299 * config/darwin-c.c (darwin_ms_struct): New.
6300 (darwin_pragma_ms_struct): Ditto.
6301 (darwin_set_default_type_attributes): Ditto.
6302 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6303 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6304 Register ms_struct pragma.
6305 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6306 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6307 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6308 darwin_set_default_type_attributes if TARGET_MACHO.
6310 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6312 PR tree-optimization/26854
6313 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6314 * doc/tree-ssa.texi: Update immuse iterator documentation.
6315 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6316 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6317 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6318 first_safe_imm_use, next_safe_imm_use): Remove.
6319 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6320 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6321 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6322 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6323 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6324 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6325 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6326 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6327 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6328 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6329 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6330 (perfect_nestify): Use new iterator.
6331 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6333 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6334 (next_imm_name): New field in struct immediate_use_iterator_d.
6335 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6336 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6337 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6338 * tree-cfg.c (replace_uses_by): Use new iterator.
6339 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6340 * tree-ssa-operands.c (correct_use_link): Remove.
6341 (finalize_ssa_use_ops): No longer call correct_use_link.
6343 2006-04-27 Stuart Hastings <stuart@apple.com>
6345 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6346 * config/t-darwin (crt3.o): Use it.
6347 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6348 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6349 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6350 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6351 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6354 2006-04-27 Roger Sayle <roger@eyesopen.com>
6356 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6357 size, force the intermediate into a new pseudo rather instead of
6358 performing both a bitwise AND and a bitwise IOR in memory.
6360 2006-04-27 Richard Guenther <rguenther@suse.de>
6362 PR rtl-optimization/26685
6363 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6364 this one "max-flow-memory-locations".
6366 2006-04-27 Richard Guenther <rguenther@suse.de>
6368 PR tree-optimization/25148
6369 * tree-vrp.c (compare_values): Remove code dealing with
6370 comparisons against type min/max value. Honour overflow
6371 and negative constants in code dealing with comparisons
6372 of plus and minus expressions.
6373 (value_inside_range): Use fold_binary with LE_EXPR and
6374 GE_EXPR rather than compare_values.
6376 2006-04-27 Dirk Mueller <dmueller@suse.de>
6378 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6381 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6383 * basic-block.h (safe_insert_insn_on_edge): Removed.
6384 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6386 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6387 Paolo Bonzini <bonzini@gnu.org>
6390 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6391 (simplify_and_const_int): Same.
6393 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6395 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6397 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6400 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6401 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6402 cgraph_global_info_ready.
6405 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6408 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6409 either decl or init is error_mark_node.
6412 * tree-flow.h (struct omp_region): Add sched_kind.
6413 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6414 instead of extracting omp for data.
6415 (expand_omp_for): Save extracted sched_kind.
6417 2006-04-25 Roger Sayle <roger@eyesopen.com>
6419 * expmed.c (store_bit_field): Also check whether the bitsize is
6420 valid for the machine's "insv" instruction before moving the
6421 target into a pseudo for use with the insv.
6422 * config/i386/predicates.md (const8_operand): New predicate.
6423 * config/i386/i386.md (extv, extzv, insv): Use the new
6424 const8_operand predicate where appropriate.
6426 2006-04-25 DJ Delorie <dj@redhat.com>
6428 * doc/install.texi (Specific): Clarify that this is not a list of
6429 supported hosts or targets.
6431 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6433 PR rtl-optimization/26725
6434 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6435 block's BB_DIRTY flag.
6437 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6439 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6442 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6443 to print an integer.
6445 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6447 * varasm.c (align_variable): New function.
6448 (get_block_for_decl): Apply align_variable to DECL before
6449 calculating section information.
6450 (assemble_variable): Split out alignment computation.
6452 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6454 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6457 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6459 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6460 MODE_PARTIAL_INT mode.
6461 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6462 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6464 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6465 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6467 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6469 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6471 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6472 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6473 MACFLAG_IH): Likewise.
6474 (movstricthi_1): Renamed from "*movstricthi".
6475 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6476 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6477 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6478 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6479 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6480 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6481 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6482 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6483 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6484 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6485 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6486 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6487 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6488 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6489 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6491 * doc/rtl.texi (ss_ashift): Improve wording.
6493 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6495 * dwarf2out.c (verify_marks_clear): New.
6496 (prune_unused_types): Call verify_marks_clear initially, not
6499 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6501 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6502 * doc/rtl.texi: Document them.
6503 * simplify-rtx.c (simplify_unary_operation,
6504 simplify_binary_operation_1): Don't abort when we see them.
6506 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6509 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6510 * configure.ac: Completely disregard languages that are not
6512 * configure: Regenerated.
6514 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6515 Richard Guenther <rguenther@suse.de>
6517 PR tree-optimization/27236
6518 * tree-inline.c (copy_body_r): Make sure to copy
6519 TREE_THIS_VOLATILE flag.
6521 2006-04-24 Richard Guenther <rguenther@suse.de>
6524 * tree-complex.c (update_parameter_components): Don't handle
6525 unused parameters which have no default def.
6527 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6528 Richard Guenther <rguenther@suse.de>
6530 PR tree-optimization/27218
6531 * tree-inline.c (expand_call_inline): Strip useless type
6532 conversions for the return slot address.
6534 2006-04-24 Richard Guenther <rguenther@suse.de>
6536 * cfgloop.h (struct loops): Remove unused field array. Reorder
6538 (LOOP_PREFETCH): Remove.
6540 2006-04-24 Richard Guenther <rguenther@suse.de>
6542 PR tree-optimization/22525
6543 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6544 variable, adjust types of generated expressions.
6546 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6548 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6549 (tree-vect-patterns.o): Likewise.
6551 (cselib.o): Likewise.
6552 (loop-doloop.o): Likewise.
6553 (regclass.o): Likewise.
6554 (reload1.o): Likewise.
6555 (explow.o): Replace target.h with $(TARGET_H).
6556 (ipa-prop.o): Likewise.
6557 (ipa-cp.o): Likewise.
6558 (ipa-inline.o): Likewise.
6559 (reorg.o): Likewise.
6560 (reg-stack.o): Likewise.
6562 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6564 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6566 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6568 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6570 * configure.ac: Completely disregard languages that are not
6572 * configure: Regenerated.
6575 * c-common.h (c_build_bitfield_integer_type): Declare.
6576 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6577 * c-common.c (c_build_bitfield_integer_type): ... here.
6579 2006-04-23 Roger Sayle <roger@eyesopen.com>
6582 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6583 a SImode SUBREG of a floating point register after no_new_pseudos.
6585 2006-04-23 Roger Sayle <roger@eyesopen.com>
6587 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6588 identify potentially eliminable registers to additionally catch
6589 VIRTUAL_INCOMING_ARGS_REGNUM.
6590 (addsi3): Update the conditions on when to use addsi_small_int.
6592 2006-04-23 Roger Sayle <roger@eyesopen.com>
6595 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6596 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6597 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6599 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6601 * fold-const.c (range_predecessor): Use operand_equal_p
6602 as the predicate for equality.
6603 (range_successor): Likewise.
6605 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6608 * config/soft-fp/op-common.h: Fix a typo.
6610 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6613 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6614 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6616 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6618 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6620 * doc/tm.texi: Fix a typo.
6622 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6624 * dwarf2out.c (struct die_struct): Document that die_sib makes
6625 a circular linked list.
6626 (FOR_EACH_CHILD): New.
6627 (reverse_die_lists): Delete.
6628 (reverse_all_dies): Delete.
6629 (add_dwarf_attr): Correct documentation.
6630 (remove_child_with_prev): New.
6631 (remove_child_TAG): Update for change to die_struct, use
6632 remove_child_with_prev.
6633 (add_child_die): Update for change to die_struct.
6634 (splice_child_die): Use remove_child_with_prev and add_child_die.
6635 (print_die): Use FOR_EACH_CHILD.
6636 (die_checksum): Likewise.
6637 (assign_symbol_names): Likewise.
6638 (output_location_lists): Likewise.
6639 (build_abbrev_table): Likewise.
6640 (calc_die_sizes): Likewise.
6641 (mark_dies): Likewise.
6642 (unmark_dies): Likewise.
6643 (unmark_all_dies): Likewise.
6644 (output_die): Likewise.
6645 (prune_unused_types_mark): Likewise.
6646 (prune_unused_types_walk): Likewise.
6647 (same_die_p): Update for change to die_struct.
6648 (break_out_includes): Likewise.
6649 (prune_unused_types_prune): Likewise.
6650 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6651 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6653 (dwarf2out_finish): Don't call reverse_all_dies.
6655 2006-04-21 Eric Christopher <echristo@apple.com>
6657 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6658 in comments and function names.
6660 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6663 * c-typeck.c (digest_init): Robustify.
6665 * c-typeck.c (pop_init_level): Simplify.
6667 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6669 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6671 2006-04-21 Paul Brook <paul@codesourcery.com>
6673 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6674 hardware floating point.
6676 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6678 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6681 2006-04-21 Nick Clifton <nickc@redhat.com>
6683 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6686 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6689 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6690 C++ lang type in traceback table for Objective-C++.
6692 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6694 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6696 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6698 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6701 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6702 were errors. Remove check for erroneous objects.
6704 2006-04-20 Jeff Law <law@redhat.com>
6706 PR tree-optimization/26854
6707 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6708 checking for zero or one use.
6709 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6710 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6711 * tree-ssa-reassoc.c (negate_value): Similarly.
6712 (reassociate_bb): Similarly.
6714 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6716 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6717 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6718 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6720 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6722 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6723 fp regs if the last fp arg doesn't fit in regs.
6725 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6728 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6729 that the last insn has the REG_INC note.
6731 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6732 Nathan Sidwell <nathan@codesourcery.com>
6735 * stor-layout.c (update_alignment_for_field): Do not align
6737 (place_union_field): Place union field at the start of the union.
6738 (place_field): Move ERROR_MARK check later, and use the current
6739 allocation position to maintain monotonicity.
6741 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6743 * dominance.c: Include timevar.h.
6744 (calculate_dominance_info): Use TV_DOMINANCE.
6745 * timevar.def (TV_DOMINANCE): New timevar.
6746 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6748 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6750 PR rtl-optimization/14261
6751 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6752 move would be an INSV insn.
6753 (noce_process_if_block): Don't optimize if the destination is a
6754 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6756 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6758 * config/s390/s390.md: Add comments with the instructions emitted
6759 by an insn pattern if macros are used.
6761 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6763 PR rtl-optimization/26026
6764 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6765 is a known power of two shifted left a variable amount.
6767 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6769 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6770 to hash table twice when the debug_str section has SECTION_MERGE.
6772 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6774 * config/soft-fp: New directory. From glibc.
6775 * config/soft-fp/t-softfp: New.
6776 * config/soft-fp/README: New.
6777 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6778 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6779 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6780 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6781 * config.gcc: Use rs6000/t-fprules-fpbit or
6782 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6784 * config/rs6000/sfp-machine.h: New. Based on glibc.
6785 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6787 * config/rs6000/t-fprules: Remove fp-bit rules.
6788 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6789 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6790 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6791 (softfp_wrap_start, softfp_wrap_end): New.
6793 2006-04-18 DJ Delorie <dj@redhat.com>
6795 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6797 2006-04-18 Devang Patel <dpatel@apple.com>
6799 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6801 2006-04-18 Nick Clifton <nickc@redhat.com>
6803 * config/sh/t-symbian: Add rule to build sh-c.o
6804 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6805 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6806 (sh_symbian_encode_section_info): Likewise.
6808 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6810 * builtins.c (expand_builtin_strcmp): Cover label definition of
6811 do_libcall with HAVE_cmpstrnsi.
6813 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6815 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6817 * function.h (temp_slot_p): New.
6818 (function): Change the type of x_used_temp_slots to
6819 VEC(temp_slot_p,gc) *.
6821 2006-04-18 Nick Clifton <nickc@redhat.com>
6823 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6824 flag_strength_reduce.
6826 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6828 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6832 Partial revert of revision 112637
6833 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6834 Dale Johannesen <dalej@apple.com>
6837 * regclass.c (struct reg_pref): Update documentation.
6838 (regclass): Set prefclass to NO_REGS if memory is the best option.
6839 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6841 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6843 PR tree-optimization/26821
6844 * tree-ssa-math-opts.c (get_constant_one): New.
6845 (insert_reciprocals): Use it.
6847 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6849 * dwarf2out.c (free_AT): Delete.
6850 (remove_AT): Update string ref counts.
6851 (remove_child_TAG): Don't call free_die.
6853 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6854 or DW_TAG_GNU_EINCL.
6855 (prune_unused_types_walk_attribs): Reset string refcounts.
6856 (prune_unused_types_update_strings): New.
6857 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6858 call free_die. Do call prune_unused_types_update_strings.
6859 (prune_unused_types): Empty debug_str_hash.
6861 2006-04-17 Roger Sayle <roger@eyesopen.com>
6863 * expr.c (expand_assignment): Optimize away no-op moves where the
6864 source and destination are equal and have no side-effects.
6866 2006-04-17 Richard Guenther <rguenther@suse.de>
6869 * reload.c (push_reload): Guard calls to get_secondary_mem
6872 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6874 * alias.c (reg_base_value, old_reg_base_value): Change the
6875 type to VEC(rtx,gc) *.
6876 (REG_BASE_VALUE, find_base_value, record_set,
6877 init_alias_analysis): Use VEC instead of VARRAY.
6879 * alias.c (alias_sets): Change the type to
6880 VEC(alias_set_entry,gc) *.
6881 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6882 VEC instead of VARRAY.
6883 (last_alias_set): Remove.
6885 * cgraph.h (cgraph_edge_p): New.
6886 Update the prototype of cgraph_function_versioning.
6887 * cgraphunit.c (cgraph_copy_node_for_versioning,
6888 cgraph_function_versioning): Use VEC instead of VARRAY.
6889 * ipa-cp.c (ipcp_insert_stage): Likewise.
6891 2006-04-16 Roger Sayle <roger@eyesopen.com>
6894 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6895 "A op B" or "A op C", we may need to convert A to the type of B and C.
6897 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6899 * target.h (struct gcc_target): Add mode_rep_extended.
6900 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6901 (init_num_sign_bit_copies_in_rep): Initialize it using
6903 (truncate_to_mode): Use it.
6904 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6905 * targhooks.h (default_mode_rep_extended): Declare it.
6906 * targhooks.c (default_mode_rep_extended): Define it.
6907 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6908 default_mode_rep_extended.
6909 (TARGET_INITIALIZER): Include it.
6910 * doc/tm.texi (Misc): Document it.
6911 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6912 (mips_truncated_to_mode): New function.
6914 2006-04-16 Roger Sayle <roger@eyesopen.com>
6917 * expr.c (compress_float_constant): Copy the narrow constant into
6918 a new pseudo before extending it to its final width.
6920 2006-04-16 Roger Sayle <roger@eyesopen.com>
6921 Andrew Pinski <pinskia@gcc.gnu.org>
6922 Dale Johannesen <dalej@apple.com>
6925 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6926 special case code to implement V8HImode and V16QImode with SSE2.
6928 2006-04-15 Roger Sayle <roger@eyesopen.com>
6930 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6931 trees are constructed with a suitable tree type.
6933 2006-04-15 Roger Sayle <roger@eyesopen.com>
6935 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6936 (integer_onep): Likewise.
6937 (integer_all_onesp): Likewise.
6938 (integer_pow2p): Likewise.
6939 (integer_nonzerop): Likewise.
6940 (real_zerop): Likewise.
6941 (real_onep): Likewise.
6942 (real_twop): Likewise.
6943 (real_minus_onep): Likewise.
6944 (int_size_in_bytes): Likewise.
6945 (host_integerp): Likewise.
6947 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6949 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6950 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6951 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6953 * tree-ssa-structalias.h (alias_info): Remove num_references.
6955 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6957 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6958 (output_bvb patterns): Likewise.
6959 * pa.c (output_bb): Use 'bb' insn for long branch case.
6960 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6961 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6962 1. Correct length operand for alternatives 1 and 2.
6963 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6964 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6966 2006-04-14 Roger Sayle <roger@eyesopen.com>
6968 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6969 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6970 were accidentally reverted by r112959.
6972 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6975 * except.h (eh_region_outermost): New prototype.
6976 * except.c (eh_region_outermost): New function.
6977 * tree-cfg.c (find_outermost_region_in_block): Use it.
6979 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6981 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6983 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6984 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6985 (init_reload, reload): Use VEC instead of VARRAY.
6986 * reload.h: Update the prototype for
6987 reg_equiv_memory_loc_varray.
6989 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6990 Eric Botcazou <ebotcazou@libertysurf.fr>
6992 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6995 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6998 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6999 to expand fallback builtin function call.
7001 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7004 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7005 and emit libcall here in case the builtin fails.
7006 (expand_builtin_strcmp): Always emit the libcall here on failure.
7008 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7010 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7011 * flow.c (reg_n_info): Change the type to
7012 VEC(reg_info_p,heap) *.
7013 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7015 * regs.h (reg_info_p): New.
7016 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7017 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7018 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7021 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7023 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7025 * params.h (MAX_SCHED_READY_INSNS): New macro.
7026 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7027 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7028 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7029 the ready list for 1 cycle during the first scheduling pass.
7030 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7032 2006-04-13 Richard Henderson <rth@redhat.com>
7035 * gimple-low.c (lower_omp_directive): Remove dead code.
7036 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7037 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7038 * omp-low.c (struct omp_region): Move to tree-flow.h.
7039 (root_omp_region): Export.
7040 (omp_regions, lookup_omp_region): Remove.
7041 (determine_parallel_type): Update for struct omp_region changes.
7042 (dump_omp_region): Dump regions with block numbers.
7043 (new_omp_region): Take type and block instead of stmt; malloc
7045 (free_omp_region_1, free_omp_regions): New.
7046 (expand_parallel_call): Take entry_stmt as argument; update for
7047 changes to omp_region.
7048 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7049 (remove_exit_barriers): New.
7050 (expand_omp_parallel): Update for struct omp_region changes.
7051 (expand_omp_synch): Likewise.
7052 (expand_omp): Likewise.
7053 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7054 (expand_omp_for_static_chunk): Likewise.
7055 (expand_omp_for): Likewise.
7056 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7057 (expand_omp_sections): Similarly, with GOMP_sections_end.
7058 (expand_omp_single): New.
7059 (build_omp_regions_1): Update for OMP_CONTINUE.
7060 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7061 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7062 OMP_SECTIONS_SECTIONS.
7063 (lower_omp_single_simple): Don't emit barrier here.
7064 (lower_omp_single_copy): Likewise.
7065 (lower_omp_single): Fix bindings, and lower to straightline now.
7066 (lower_omp_master, lower_omp_ordered): Likewise.
7067 (lower_omp_critical): Likewise.
7068 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7069 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7070 omp edges, free it afterward.
7071 (make_omp_sections_edges): Remove.
7072 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7073 (move_stmt_r): Handle OMP_CONTINUE.
7074 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7075 statement pointers to basic blocks. Add type member.
7076 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7077 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7078 * tree-inline.c (estimate_num_insns_1): Likewise.
7079 * tree-pretty-print.c (dump_generic_node): Likewise.
7080 * tree-ssa-operands.c (get_expr_operands): Likewise.
7081 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7082 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7083 (OMP_CONTINUE): New.
7084 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7085 (OMP_SECTIONS_SECTIONS): Remove.
7086 (OMP_SECTION_LAST): New.
7087 (OMP_RETURN_NOWAIT): New.
7089 2006-04-13 Roger Sayle <roger@eyesopen.com>
7091 * fold-const.c (native_encode_vector, native_interpret_real):
7092 Correct obvious mistakes in the previous check-in.
7094 2006-04-13 Roger Sayle <roger@eyesopen.com>
7096 * fold-const.c (native_encode_expr): New function to encode
7097 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7098 or VECTOR_CST into a specified buffer.
7099 (native_encode_int): New function.
7100 (native_encode_real): New function.
7101 (native_encode_complex): New function.
7102 (native_encode_vector): New function.
7103 (native_interpret_expr): Inverse of native_encode_expr to convert
7104 a target representation into an INTEGER_CST, REAL_CST etc...
7105 (native_interpret_int): New function.
7106 (native_interpret_real): New function.
7107 (native_interpret_complex): New function.
7108 (native_interpret_vector): New function.
7109 (fold_view_convert_expr): New function to constant fold/evaluate
7110 a VIEW_CONVERT_EXPR of a suitable constant expression.
7111 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7112 Change call of build1 to fold_build1 when constructing a
7115 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7116 Ulrich Weigand <uweigand@de.ibm.com>
7119 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7122 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7125 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7126 optimize to lo_sum for DFmode if !TARGET_FPRS.
7128 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7130 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7131 delete_alias_info, compute_flow_sensitive_aliasing,
7132 group_aliases): Use VEC instead of VARRAY.
7133 * tree-ssa-structalias.c (update_alias_info): Likewise.
7134 * tree-ssa-structalias.h (alias_info): Change the type of
7135 processed_ptrs to VEC(tree,heap) *.
7137 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7140 * config/sh/lib1funcs.h: New file, broken out of:
7141 * config/sh/lib1funcs.asm.
7142 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7144 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7145 * config/sh/lib1funcs-Os-4-200.asm: New file.
7146 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7147 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7148 (EXTRA_MULTILIB_PARTS): Include it.
7149 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7150 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7151 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7152 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7155 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7157 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7158 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7159 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7161 * tree-ssa-live.h: Include vecprim.h.
7162 (tree_partition_associator_d): Change the type of
7163 first_partition to VEC(int,heap) *.
7164 (tpa_first_partition): Use VEC instead of VARRAY.
7166 * Makefile.in (GTFILES): Move functions.h after tree.h.
7167 * function.c (reset_block_changes, record_block_change,
7168 check_block_change, free_block_changes): Use VEC instead of
7170 * function.h (function): Change the type of
7171 ib_boundaries_block to VEC(tree,gc) *.
7172 * tree-inline.c (copy_cfg_body): Initialize
7173 ib_boundaries_block to NULL instead of (varray_type) 0.
7175 2006-04-12 Roger Sayle <roger@eyesopen.com>
7177 * expr.c (emit_group_store): Correct operand order in call to
7178 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7179 a SUBREG_BYTE of zero.
7181 2006-04-12 Richard Guenther <rguenther@suse.de>
7183 * profile.c (compute_branch_probabilities): Remove code
7184 encapsulated in !ir_type (), which are remanents of the
7185 removed RTL profiling code.
7186 * rtl-profile.c: Remove.
7188 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7190 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7191 magic NULL_RTX comment.
7192 (function_arg): Store entire fp arg to mem if any part should go
7194 (rs6000_arg_partial_bytes): Adjust for above change.
7196 2006-04-11 Roger Sayle <roger@eyesopen.com>
7198 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7199 if it hasn't been initialized by dwarf2out_init.
7201 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7203 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7204 symbolic constants in branch patterns.
7206 2006-04-11 Roger Sayle <roger@eyesopen.com>
7208 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7210 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7212 PR rtl-optimization/27073
7213 * gcse.c (try_replace_reg): Revert last change. Continue to search
7214 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7217 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7219 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7220 aggregate types other than record and union types.
7221 (function_arg): Likewise.
7222 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7224 (function_value): In 64-bit mode, return objects that require it
7227 2006-04-11 Roger Sayle <roger@eyesopen.com>
7229 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7231 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7233 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7235 2006-04-03 Jeff Law <law@redhat.com>
7238 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7239 alias information too.
7241 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7243 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7245 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7248 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7249 (premark_used_types_helper): New.
7250 (premark_used_types): New.
7251 (gen_subprogram_die): Call premark_used_types.
7252 (prune_unused_types_walk): Do not prune perennial dies.
7253 * function.c (used_types_insert): New.
7254 * function.h (struct function): Add used_types_hash field.
7255 (used_types_insert): Add prototype.
7256 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7257 * c-parser.c (c_parser_cast_expression): Save casted types in used
7260 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7263 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7264 rs6000_explicit_options.float_gprs.
7266 2006-04-10 Roger Sayle <roger@eyesopen.com>
7268 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7269 from ix86_expand_vector_init_low_nonzero. Take an additional
7270 one_var argument indicating which element is non-zero. Support
7271 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7272 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7273 with one_var instead of ix86_expand_vector_init_low_nonzero.
7275 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7277 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7278 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7279 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7280 build/genextract.o): Depend on vecprim.h.
7281 * cfglayout.c, df-problems.c, function.c, genextract.c,
7282 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7283 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7287 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7289 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7290 Declare VECs of this type.
7291 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7292 (remove_children): Delete.
7293 (add_dwarf_attr): Use VEC routines.
7294 (add_AT_flag): Update for changes to add_dwarf_attr.
7295 (add_AT_int): Likewise.
7296 (add_AT_unsigned): Likewise.
7297 (add_AT_long_long): Likewise.
7298 (add_AT_vec): Likewise.
7299 (add_AT_string): Likewise.
7300 (add_AT_die_ref): Likewise.
7301 (add_AT_fde_ref): Likewise.
7302 (add_AT_loc): Likewise.
7303 (add_AT_loc_list): Likewise.
7304 (add_AT_addr): Likewise.
7305 (add_AT_lbl_id): Likewise.
7306 (add_AT_lineptr): Likewise.
7307 (add_AT_macptr): Likewise.
7308 (add_AT_offset): Likewise.
7309 (add_AT_range_list): Likewise.
7310 (get_AT): Use VEC_iterate.
7311 (remove_AT): Use VEC_ordered_remove.
7312 (free_die): Fold remove_children into here; have it use VEC_iterate.
7313 (print_die): Use VEC_iterate on attrs.
7314 (reverse_die_lists): Don't reverse attr lists.
7315 (die_checksum): Use VEC_iterate on attrs.
7316 (same_die_p): Likewise.
7317 (output_location_lists): Likewise.
7318 (build_abbrev_table): Likewise.
7319 (size_of_die): Likewise.
7320 (unmark_all_dies): Likewise.
7321 (output_abbrev_section): Likewise.
7322 (output_die): Likewise.
7323 (prune_unused_types_walk_attribs): Likewise.
7325 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7327 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7329 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7332 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7334 2006-04-09 Roger Sayle <roger@eyesopen.com>
7336 * expr.c (store_constructor): Don't bother clearing target if
7337 we're about to assign a vector to it using vec_init_optab.
7339 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7341 * tree-ssa-alias.c (lhs_may_store_to): New function.
7342 (recalculate_used_alone): Handle LHS of calls.
7344 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7348 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7349 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7350 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7351 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7352 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7353 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7354 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7355 stubs. Add ".align 8" directives before all ".dword" directives.
7356 (GTHREAD_USE_WEAK): Revise comment.
7357 (TARGET_ATTRIBUTE_WEAK): Define.
7358 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7359 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7360 * stublib.c: New file.
7365 * pa.md (cbranch patterns): Revise arguments used in calls to
7366 output_cbranch, output_bb and output_bvd. Add long branch length
7368 (fbranch patterns): Handle long branches.
7369 (jump): Revise length check. Revise arguments for output_lbranch call.
7370 Add long branch length attributes.
7371 (decrement_and_branch_until_zero): Add long branch length attributes.
7372 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7373 Likewise. Revise arguments for output_parallel_addb and
7374 output_parallel_movb calls.
7375 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7376 output_parallel_movb and output_parallel_addb): Update prototypes.
7377 * pa.c (output_cbranch): Revise arguments. Correct handling of
7378 nullification in long branches.
7379 (output_lbranch): Add new argument to control extraction of delay
7381 (output_bb): Handle long branches.
7382 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7383 output_parallel_addb): Likewise.
7385 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7387 PR rtl-optimization/27073
7388 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7391 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7393 * tree.h (tree_memory_tag): Add old_used_alone.
7394 (SMT_OLD_USED_ALONE): New macro.
7395 * tree-ssa-alias.c (recalculate_used_alone): Stop
7396 marking things for renaming unnecessarily.
7398 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7400 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7401 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7402 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7403 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7404 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7405 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7406 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7407 spelling convensions.
7408 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7409 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7410 typos. Follow spelling conventions.
7412 2006-04-07 DJ Delorie <dj@redhat.com>
7414 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7415 passed on the stack.
7416 (m32c_init_cumulative_args): When a function returns a structure,
7417 always pass the pointer to that return area on the stack.
7418 (m32c_function_arg_advance): Don't increment the parameter number
7419 if we're processing the returned structure pointer.
7420 (pushm_info): Reverse order of registers.
7422 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7424 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7425 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7426 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7427 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7429 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7430 chrec_fold_multiply): Same.
7431 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7432 force_expr_to_var_cost): Same.
7433 * tree-mudflap.c (mf_xform_derefs_1): Same.
7434 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7436 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7438 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7439 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7442 2006-04-07 Jan Hubicka <jh@suse.cz>
7444 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7446 2006-04-07 Richard Guenther <rguenther@suse.de>
7448 PR tree-optimization/26135
7449 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7450 loads for store copy-prop.
7451 (copy_prop_visit_stmt): Likewise.
7453 2006-04-05 Robert Millan <robertmh@gnu.org>
7455 * config/i386/linux.h: Add a comment to mark macros that are
7456 being overriden in config/k*bsd-gnu.h.
7457 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7459 * config/knetbsd-gnu.h: Ditto.
7461 2006-04-06 Jan Hubicka <jh@suse.cz>
7465 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7468 2006-04-06 Mike Stump <mrs@apple.com>
7470 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7471 for HAVE_nonlocal_goto to be consistent.
7472 (expand_builtin_nonlocal_goto): Likewise.
7473 (expand_builtin_strcmp): Use #ifdef instead of #if
7474 for HAVE_cmpstrnsi to be consistent.
7476 2006-04-05 DJ Delorie <dj@redhat.com>
7478 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7481 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7483 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7484 got-relative addressing for anything but SImode.
7486 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7487 even if the calling function doesn't modify them.
7489 2006-04-05 Richard Guenther <rguenther@suse.de>
7491 PR tree-optimization/26919
7492 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7493 to cgraph_estimate_size_after_inlining.
7495 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7497 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7499 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7501 PR tree-optimization/26996
7502 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7503 VECTOR_TYPE variables.
7505 2006-04-05 Richard Guenther <rguenther@suse.de>
7507 PR tree-optimization/26763
7508 * fold-const.c (fold_comparison): Move folding of
7509 PTR + CST CMP PTR + CST ...
7510 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7512 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7514 * doc/install.texi (Prerequisites): Refine some wording on
7515 bootstrapping and ksh.
7516 Move the version numbers of DejaGnu here from the testing section
7517 and fix casing of names.
7518 Fix markup and clarify wording for autogen requirements.
7519 Refer to GCJ instead of just java.
7520 Refer to SVN instead of CVS.
7521 Describe diffutils as useful instead of necessary.
7522 (Downloading the source): Refer to SVN instead of CVS.
7523 Adjust a link to our web site accordingly.
7524 (Configuration): Fix casing of Bison.
7525 (Building): Refer to SVN instead of CVS.
7526 Fix a sentence on the use of Bison and remove duplicate (and
7527 incorrect) version number of Bison requirement.
7528 Remove one redundant list of packages needed for building.
7529 (Specific): Avoid reference to CVS.
7531 2006-04-04 Eric Christopher <echristo@apple.com>
7533 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7534 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7535 (rs6000_handle_struct_attribute): New.
7536 (rs6000_ms_bitfield_layout_p): Ditto.
7538 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7540 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7541 NULL for dso parameter to atexit_common.
7543 2006-04-04 Eric Christopher <echristo@apple.com>
7545 * config/i386/i386.c (machopic_output_stub): Output \t
7546 between instructions and operands.
7548 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7550 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7551 satisfies_constraint_[IL] to explicit tests on value.
7553 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7555 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7556 set_nb_iterations_in_loop): Use build_int_cst instead of
7558 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7559 build_int_cst instead of convert.
7561 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7563 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7564 new value 2 for incoming.
7565 * function.c (expand_function_start): Call struct_value_rtx
7567 * config/sparc/sparc.md: Comment updated_return.
7568 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7569 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7570 struct return if sparc_std_struct_return and incoming is 2.
7571 (print_operand): Do not adjust return if
7572 sparc_std_struct_return.
7574 2006-04-04 Roger Sayle <roger@eyesopen.com>
7576 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7577 convert in the middle-end.
7578 * expr.c (store_expr, store_constructor, get_inner_reference,
7579 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7581 * tree.c (build_range_type): Likewise.
7583 2006-04-04 Tom Tromey <tromey@redhat.com>
7585 * doc/install.texi (Prerequisites): Mention jar.
7587 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7589 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7592 2006-04-04 Matthias Klose <doko@debian.org>
7594 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7598 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7601 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7603 * doc/extend.texi (Function Attributes): Rewrite visibility
7604 attribute documentation.
7605 * doc/invoke.texi (C++ Dialect Options): Rewrite
7606 -fvisibility-inlines-hidden documentation to describe something
7607 entirely different, although in practise compatible.
7608 (Code Gen Options): Warn about system headers in -fvisibility=
7611 * doc/extend.texi (Other Builtins): Document that
7612 __builtin_nan is a compile-time constant only when its argument
7615 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7617 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7618 trying to remove TRUNCATE check if all bits outside the new mode
7619 are identical to the sign bit.
7621 2006-04-03 Jeff Law <law@redhat.com>
7623 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7624 and operand scanning in some common cases.
7626 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7627 Dale Johannesen <dalej@apple.com>
7630 * regclass.c (struct reg_pref): Update documentation.
7631 (regclass): Set prefclass to NO_REGS if memory is the best option.
7632 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7633 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7634 into account. For non-registers, equate an empty preferred
7635 reload class to a `!' in the constraint; move the if clause to
7636 do so after those that reject the insn.
7637 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7639 (find_dummy_reload): Likewise.
7640 * doc/tm.texi (Register Classes): Document what it means
7641 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7642 * config/i386/i386.c (ix86_preferred_reload_class): Force
7643 using SSE registers (and return NO_REGS for floating-point
7644 constants) if math is done with SSE.
7645 (ix86_preferred_output_reload_class): New.
7646 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7647 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7648 * config/i386/i386.md: Remove # register preferences.
7650 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7653 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7654 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7655 the type of nb_iter.
7656 (instantiate_parameters_1): Convert the operands before calling
7657 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7658 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7660 2006-04-02 Roger Sayle <roger@eyesopen.com>
7662 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7663 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7665 * dojump.c (do_jump): Likewise.
7666 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7667 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7668 gimplify_boolean_expr): Likewise.
7669 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7670 * varasm.c (array_size_for_constructor): Likewise.
7671 * tree-object-size.c (compute_object_offset): Likewise.
7673 2006-04-02 Roger Sayle <roger@eyesopen.com>
7676 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7677 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7679 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7681 PR tree-optimization/26939
7682 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7684 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7686 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7687 at_stmt. Convert the type of operands before calling
7688 build_polynomial_chrec.
7689 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7691 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7692 (instantiate_parameters_1): Convert the type of operands before calling
7693 build_polynomial_chrec.
7694 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7695 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7696 reset_evolution_in_loop): Insert asserts to check the types of the
7698 (chrec_type): Moved...
7699 (eq_evolutions_p): Use operand_equal_p.
7700 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7701 the types of the operands.
7702 (chrec_type): ...here.
7703 * tree-data-ref.c (create_data_ref): Convert the operands before
7704 calling chrec_replace_initial_condition.
7705 (same_access_functions, analyze_subscript_affine_affine,
7706 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7707 (compute_subscript_distance, analyze_ziv_subscript,
7708 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7709 analyze_miv_subscript): Convert the operands before calling
7710 chrec_fold_minus or chrec_fold_plus.
7712 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7714 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7715 the dependence_relations vector.
7716 (compute_data_dependences_for_loop): Adjust call to
7717 compute_all_dependences.
7719 2006-04-01 Roger Sayle <roger@eyesopen.com>
7720 Richard Henderson <rth@redhat.com>
7722 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7723 gimple_boolify on the condition before calling gimplify_expr.
7725 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7727 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7728 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7729 the frame size. Update to use the new macros.
7730 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7731 * config/xtensa/ieee754-df.S: Likewise.
7733 2006-03-31 Richard Henderson <rth@redhat.com>
7735 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7736 (make_edges): ... here. Control fallthru creation with a local
7737 variable. Do not play with fake edges.
7738 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7739 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7742 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7744 * dwarf2.h (DW64_CIE_ID): Define.
7745 * dwarf2out.c (DWARF_CIE_ID): Define.
7746 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7747 length header. Use DWARF_CIE_ID.
7748 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7749 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7751 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7753 * config/sh/linux-atomic.asm: New file.
7754 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7756 2006-03-31 DJ Delorie <dj@redhat.com>
7758 * config/m32c/cond.md: Set condition flags properly throughout.
7759 * config/m32c/minmax.md: Likewise.
7760 * config/m32c/prologue.md: Likewise.
7761 * config/m32c/bitops.md: Likewise.
7762 * config/m32c/muldiv.md: Likewise.
7763 * config/m32c/mov.md: Likewise.
7764 * config/m32c/addsub.md: Likewise.
7765 * config/m32c/m32c.md: Likewise.
7766 * config/m32c/jump.md: Likewise.
7767 * config/m32c/shift.md: Likewise.
7769 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7770 conditionally output the pattern for this.
7771 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7772 (m32c_compare_redundant): New.
7773 (m32c_output_compare): New.
7774 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7776 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7777 dest, not src. Allow other 4-byte modes.
7779 2006-03-30 Denis Chertykov <denisc@overta.ru>
7781 * doc/md.texi: Refer to avr/constraints.md instead of
7784 2006-03-30 Roger Sayle <roger@eyesopen.com>
7786 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7787 signed vs. unsigned comparison failures on some hosts.
7789 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7792 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7793 change to FLOAT_REGS.
7795 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7796 (rs6000_override_options): Use it.
7797 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7798 only for -mabi=spe/no-spe and -mabi=altivec.
7800 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7802 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7805 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7807 * Makefile.in: Rename docdir to gcc_docdir.
7809 2006-03-30 Roger Sayle <roger@eyesopen.com>
7812 * expr.c (emit_group_store): Optimize group stores into a pseudo
7813 register by using a paradoxical subreg to initialize the destination
7814 if the first or last member of the group specifies a "low part".
7816 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7819 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7820 * target.h (struct gcc_target.speculate_insn): Change type of the
7821 second parameter to 'int'.
7822 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7823 the second operand of the DEPS_LIST.
7824 (copy_DEPS_LIST_list): Update reference to the second operand of the
7826 * rtl.h (alloc_DEPS_LIST): Update signature.
7827 * sched-int.h (ds_t): Change typedef to 'int'.
7828 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7830 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7832 * haifa-sched.c (try_ready): Change condition to restore
7833 non-speculative pattern of the instruction.
7834 (process_insn_depend_be_in_spec): Code to keep probability of the
7835 speculative dependence non-decreasing.
7837 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7839 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7840 (single_move_for_movmem): ... this. Also change all uses.
7841 (bfin_expand_strmov): Renamed to...
7842 (bfin_expand_movmem): ... this. Also change all uses.
7843 * config/bfin/bfin.md (movstrsi): Renamed to...
7844 (movstrsi): ...this.
7846 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7848 PR tree-optimization/26830
7850 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7851 (copy_prop_visit_stmt): Remove write-only variable ann.
7852 (init_copy_prop): Check variable loop depth here. Do not simulate
7853 memory-tag and virtual operand PHIs except for store copy prop.
7855 2006-03-30 Richard Guenther <rguenther@suse.de>
7857 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7858 variants with double arguments.
7860 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7862 * genpreds.c (write_tm_constrs_h): Delete variable p.
7863 * genconditions.c (write_header): Add tm-constrs.h to included
7865 * genpeep.c (main): Add toplev.h to included headers.
7866 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7867 (build/genpeep.o): Add toplev.h dependency.
7868 * config/rs6000/constraints.md: Add "W" constraint.
7870 2006-03-29 Roger Sayle <roger@eyesopen.com>
7872 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7873 sizes by correctly testing whether the size fits a host integer.
7874 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7875 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7876 SImode range for the default sizetype and bitsizetype.
7878 2006-03-29 Roger Sayle <roger@eyesopen.com>
7880 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7881 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7882 quickly if the argument is already of the correct type.
7883 Call fold_build1 instead of build1. Tidy up blank lines.
7885 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7887 * genemit.c (main): Add tm-constrs.h to included headers.
7888 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7889 * genpeep.c (main): Add tm-constrs.h to included headers.
7890 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7891 (write_tm_constrs_h): this and write complete file.
7892 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7893 (write_insn_preds_c): Add tm-constrs.h to included headers.
7894 (gen_constrs): New variable.
7895 (parse_option): Parse "-c".
7896 (main): Invoke write_tm_constrs_h.
7897 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7898 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7899 (object_out_file): Add tm-constrs.h dependency.
7900 (insn-emit.o): Same.
7901 (insn-output.o): Same.
7902 (insn-peep.o): Same.
7903 (insn-preds.o): Same.
7904 (insn-recog.o): Same.
7905 (tm-constsr.h): New target.
7906 (s-constrs-h): New target.
7908 * config/rs6000/constraints.md: New file.
7909 * config/rs6000/rs6000.c: Include tm-constrs.h.
7910 (num_insn_constant_wide): Convert to satisfies_constraint.
7911 (rs6000_rtx_costs): Convert to satisfies_constraint.
7912 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7913 (CONST_OK_FOR_LETTER_P): Delete.
7914 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7915 (EXTRA_CONSTRAINT): Delete.
7916 (EXTRA_MEMORY_CONSTRAINT): Delete.
7917 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7918 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7919 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7920 satisfies_constraint.
7922 * config/i386/i386.c: Include tm-constrs.h.
7924 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7926 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7927 * tree-data-ref.c (find_data_references_in_loop,
7928 compute_data_dependences_for_loop): Use pointers to VEC.
7929 (analyze_all_data_dependences): Adjust calls.
7930 * tree-data-ref.h (find_data_references_in_loop,
7931 compute_data_dependences_for_loop): Adjust declarations.
7932 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7933 compute_data_dependences_for_loop.
7935 2006-03-29 Paul Brook <paul@codesourcery.com>
7937 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7940 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7942 PR tree-optimization/26859
7943 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7945 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7946 for the step after fold_convert.
7948 2006-03-29 Paul Brook <paul@codesourcery.com>
7950 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7951 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7953 2006-03-29 Paul Brook <paul@codesourcery.com>
7956 * targhooks.c (default_narrow_bitfield): New fuction.
7957 * targhooks.h (default_narrow_bitfield): add prototype.
7958 * target.h (gcc_target): Add narrow_volatile_bitfield.
7959 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7960 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7961 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7962 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7964 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7966 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7968 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7969 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7970 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7971 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7972 (s390_function_arg_float): Allow SDmode and DDmode values to be
7973 passed in floating point registers.
7974 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7975 check with SCALAR_FLOAT_MODE_P.
7976 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7978 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7980 PR tree-optimization/25985
7981 * tree-ssa-loop-niter.c (number_of_iterations_le,
7982 number_of_iterations_ne): Make comments more precise.
7983 (number_of_iterations_cond): Add only_exit argument. Use the
7984 fact that signed variables do not overflow only when only_exit
7986 (loop_only_exit_p): New.
7987 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7988 number_of_iterations_cond.
7990 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7992 PR tree-optimization/26643
7993 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7996 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7998 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7999 (divsi3_i4_int): Likewise.
8001 2006-03-28 Roger Sayle <roger@eyesopen.com>
8003 * expr.c (emit_group_store): Only create a new pseudo reg if the
8004 quantity it needs to hold isn't already a suitable pseudo.
8006 2006-03-28 Jeff Law <law@redhat.com>
8008 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8009 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8011 2006-03-28 Roger Sayle <roger@eyesopen.com>
8013 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8014 the equivalent ~X & Y, and the symmetry related transformations.
8015 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8016 ~X & Y, and symmetry related transforms.
8018 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8020 Revert my 2006-03-27 patches.
8022 2006-03-28 Roger Sayle <roger@eyesopen.com>
8024 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8025 ~(T1)X, when T1 and T2 are integer types of the same precision
8026 and (T2)X isn't an extension.
8028 2006-03-28 Jeff Law <law@redhat.com>
8030 PR tree-optimization/26796
8031 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8032 need EH edge cleanups rather than purging them immediately.
8033 (eliminate_degenerate_phis): Handle queued EH cleanups.
8035 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8037 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8040 2006-03-27 Roger Sayle <roger@eyesopen.com>
8043 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8044 cast BIT_NOT_EXPR operand to the correct type.
8046 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8048 * tree-loop-linear.c: Don't include varray.h.
8049 (gather_interchange_stats, try_interchange_loops,
8050 linear_transform_loops): Use VEC instead of VARRAY.
8051 * lambda-mat.c: Don't include varray.h.
8052 * tree-chrec.c: Same.
8053 * lambda-trans.c: Same.
8054 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8055 VEC instead of VARRAY.
8056 * tree-vectorizer.h: Idem.
8057 * tree-data-ref.c (dump_data_references,
8058 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8059 initialize_data_dependence_relation, finalize_ddr_dependent,
8060 compute_all_dependences, find_data_references_in_loop,
8061 compute_data_dependences_for_loop, analyze_all_data_dependences,
8062 free_dependence_relation, free_dependence_relations,
8063 free_data_refs): Idem.
8064 * tree-data-ref.h (data_reference_p, subscript_p): New.
8065 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8066 VEC instead of VARRAY.
8067 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8068 (find_data_references_in_loop, compute_data_dependences_for_loop,
8069 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8070 dump_data_dependence_relations, free_dependence_relations,
8071 free_data_refs): Adjust declaration.
8072 (lambda_transform_legal_p): Move declaration here...
8073 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8074 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8075 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8076 vect_analyze_data_refs): Use VEC instead of VARRAY.
8077 * lambda.h (lambda_transform_legal_p): ...from here.
8078 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8079 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8080 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8081 tree-chrec.o): Don't depend on VARRAY_H.
8083 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8085 * rtl.def (Copyright): Update date.
8086 (DEPS_LIST): Change type of the second operand to 'int'.
8087 * target.h (Copyright): Update date.
8088 (struct gcc_target.speculate_insn): Change type of the second parameter
8090 * lists.c (Copyright): Update date.
8091 (alloc_DEPS_LIST): Change signature. Update reference to the second
8092 operand of the DEPS_LIST.
8093 (copy_DEPS_LIST_list): Update reference to the second operand of the
8095 * rtl.h (Copyright): Update date.
8096 (alloc_DEPS_LIST): Update signature.
8097 * sched-int.h (Copyright): Update date.
8098 (ds_t): Change typedef to 'int'.
8099 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8101 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8103 * haifa-sched.c (Copyright): Update date.
8104 (try_ready): Change condition to restore non-speculative pattern
8106 (process_insn_depend_be_in_spec): Code to keep probability of the
8107 speculative dependence non-decreasing.
8109 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8111 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8112 shut up the compiler.
8114 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8116 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8117 to use lib prefix for target.
8118 ($(T)libic_invalidate_array_4-200.a): Likewise.
8119 ($(T)libic_invalidate_array_4a.a): Likewise.
8121 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8122 J"orn Rennecke <joern.rennecke@st.com>
8124 * superh.opt: New file.
8125 * sh.c (boardtype, osruntime): Remove.
8126 * superh.h (SUBTARGET_OPTIONS): Remove.
8127 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8129 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8130 arguments with ^ and/or [].
8132 * config.gcc (sh-*-*): Add quoting to account for quirk of
8134 Replace == with = in enable_incomplete_targets test.
8136 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8137 with MASK_LITTLE_ENDIAN.
8139 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8140 * config/sh/sh.opt: Added to some comments.
8141 * config/sh/superh.h: Removed some chaff.
8143 * config/sh/sh.opt: Add m4-[1234]00* options.
8144 * config/sh/sh.c (sh_handle_option): Likewise.
8145 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8146 (ic_invalidate_array_4-100.o): New rule.
8147 ($(T)libic_invalidate_array_4-100.a): Likewise.
8148 (ic_invalidate_array_4-200.o): Likewise.
8149 ($(T)libic_invalidate_array_4-200.a): Likewise.
8150 (ic_invalidate_array_4a.o): Likewise.
8151 ($(T)libic_invalidate_array_4a.a): Likewise.
8152 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8153 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8155 * config/sh/crt1.asm: Merged in profiling code.
8156 * config/sh/superh.h (STARTFILE_SPEC): Override.
8157 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8158 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8159 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8161 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8162 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8163 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8165 * sh.opt (mpretend-cmove): New option.
8166 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8167 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8168 (movsicc): Add TARGET_PRETEND_CMOVE code.
8170 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8172 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8173 s390_class_max_nregs): New function prototypes.
8174 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8175 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8176 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8177 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8179 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8181 * dwarf2out.c (add_location_or_const_value_attribute): Call
8182 tree_add_const_value_attribute if nothing else works.
8183 (reference_to_unused): New.
8184 (rtl_for_decl_init): Use reference_to_unused to decide whether
8185 to output an initializer.
8187 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8190 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8191 peephole removing spe frob_di_df_2.
8193 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8195 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8196 (subscript_dependence_tester_1): Declared.
8197 (print_dir_vectors, print_dist_vectors): New.
8198 (debug_data_dependence_relation): New.
8199 (dump_data_dependence_relation): Print more details.
8200 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8201 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8202 (save_dist_v, save_dir_v, add_outer_distances,
8203 build_classic_dist_vector_1): New.
8204 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8205 Don't test for lambda_vector_lexico_pos.
8206 (same_access_functions, add_multivariate_self_dist,
8207 add_other_self_distances, dir_from_dist): New.
8208 (build_classic_dir_vector): Replace implementation almost identical to
8209 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8211 (subscript_dependence_tester_1): New.
8212 (subscript_dependence_tester): Handle the lexicographically negative
8213 distance vectors by recomputing the dependence relation.
8214 (compute_affine_dependence): Remove parameter loop_nest_depth.
8215 (compute_self_dependence): Don't call compute_subscript_distance.
8216 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8217 Add a parameter for the loop_nest.
8218 (find_loop_nest_1, find_loop_nest): New.
8219 (compute_data_dependences_for_loop): Compute the loop nest, and give
8220 up if the nest is not well formed.
8221 * tree-data-ref.h (loop_p): New.
8222 (struct data_dependence_relation): Replace size_vect field with
8223 loop_nest, a vec of loops.
8224 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8225 (DDR_LOOP_NEST): New.
8226 (print_dir_vectors, print_dist_vectors,
8227 debug_data_dependence_relation): Declared.
8228 (index_in_loop_nest): New.
8229 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8230 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8233 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8235 * simplify-rtx.c (simplify_relational_operation): Call
8236 simplify_relational_operation_1 even if mode is VOIDmode.
8238 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8240 PR tree-optimization/26804
8241 * tree.h (DECL_CALL_CLOBBERED): New macro.
8242 (tree_decl_common): Add call_clobbered_flag.
8243 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8244 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8245 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8246 (mark_non_addressable): Ditto.
8247 * tree-ssa.c (verify_call_clobbered): New function.
8248 (verify_alias_info): Use it.
8249 * tree-pass.h (pass_reset_cc_flags): New prototype.
8250 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8251 (reset_cc_flags): New function.
8252 * passes.c (init_optimization_passes): Call reset_cc_flags after
8253 initializing referenced_vars.
8255 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8256 Roger Sayle <roger@eyesopen.com>
8259 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8260 to 1.0 for non-real operands. Implement A / A optimization for
8263 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8265 * config/i386/i386.c (size_cost): Correct the comment for
8266 cost of storing fp registers.
8267 (i386_cost): Likewise.
8268 (i486_cost): Likewise.
8269 (pentium_cost): Likewise.
8270 (pentiumpro_cost): Likewise.
8271 (k6_cost): Likewise.
8272 (athlon_cost): Likewise.
8273 (k8_cost): Likewise.
8274 (pentium4_cost): Likewise.
8275 (nocona_cost): Likewise.
8276 (generic64_cost): Likewise.
8277 (generic32_cost): Likewise.
8279 2006-03-24 Denis Chertykov <denisc@overta.ru>
8281 * config/avr/avr-protos.h (extra_constraint): Delete.
8282 (extra_constraint_Q): New declaration.
8283 * config/avr/constraints.md: New file.
8284 * config/avr/avr.md: Include it.
8285 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8286 (TMP_REGNO, ZERO_REGNO): Likewise.
8287 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8288 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8289 (extra_constraint): Delete.
8290 (extra_constraint_Q): Test for memory constraint 'Q'.
8291 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8292 (REG_CLASS_FROM_LETTER): Delete.
8293 (CONST_OK_FOR_LETTER_P): Delete.
8294 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8295 (EXTRA_CONSTRAINT): Delete.
8296 (TMP_REGNO): Delete.
8297 (ZERO_REGNO): Delete.
8299 2006-03-24 Jeff Law <law@redhat.com>
8301 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8302 directly. Call mark_new_vars_to_rename slightly earlier.
8304 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8306 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8308 (gen_compile_unit_die): Use new language types for Objective-C and
8310 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8311 DW_LANG_C_plus_plus.
8314 * config/t-darwin (crt3.o): Work around bug 26840.
8315 * config/darwin-crt3.c: Rewrite.
8316 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8318 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8320 * doc/invoke.texi: Document -femit-class-debug-always
8321 * common.opt: Add -femit-class-debug-always.
8323 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8325 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8326 index and base register.
8327 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8328 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8329 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8330 REGNO_OK_FOR_INDEX_P.
8331 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8333 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8334 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8335 REG_OK_FOR_BASE_P): Definitions removed.
8337 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8340 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8341 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8342 set yet or weren't marked as local yet.
8344 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8346 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8349 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8351 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8352 (rs6000_legitimate_small_data_p): Delete.
8353 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8354 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8355 and make static. Add forward declaration. Update uses.
8356 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8357 of offsettable_memref_p.
8358 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8359 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8361 2006-03-24 Jeff Law <law@redhat.com>
8363 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8364 around bug in immediate-use iterator.
8366 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8369 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8370 or __LITTLE_ENDIAN__.
8372 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8374 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8375 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8376 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8377 * config/sh/sh.opt (mdiv=): Amend description.
8378 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8379 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8380 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8381 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8382 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8383 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8384 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8385 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8386 TARGET_DIVIDE_CALL_FP.
8388 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8390 * haifa-sched.c (choose_ready): Fix type of the local variable.
8391 Move local variables. Add comment.
8392 (check_reg_live): Change signature. Make callable from debugger.
8393 * sched-int.h (check_reg_live): Update signature.
8394 * sched-ebb.c (check_reg_live): Update parameters.
8395 * sched-rgn.c (check_reg_live): Ditto.
8396 (region_head_or_leaf_p): Check pointer before dereferencing.
8397 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8398 before reload on optimization levels below 1.
8400 2006-03-23 Richard Henderson <rth@redhat.com>
8402 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8406 * config/alpha/predicates.md (local_symbolic_operand): Reject
8409 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8412 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8413 expressions which have overflowed constants.
8415 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8417 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8419 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8421 * cfgloopmanip.c (create_loop_notes): Removed.
8422 * final.c (final_scan_insn): Do not handle loop notes.
8423 * jump.c (squeeze_notes): Ditto.
8424 * cfglayout.c (skip_insns_after_block,
8425 duplicate_insn_chain): Ditto.
8426 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8428 * cfgloop.h (create_loop_notes): Declaration removed.
8430 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8432 * varasm.c (output_constant_pool): Restore fnname and fndecl
8434 (assemble_start_function): Adjust call accordingly.
8435 (assemble_end_function): Likewise.
8437 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8440 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8443 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8445 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8448 * system.h (ICE_EXIT_CODE): New macro.
8449 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8450 (diagnostic_action_after_output): Likewise.
8451 * gcc.c (fatal_ice): New function.
8452 (execute): Use it instead of fatal.
8453 (fancy_abort): Likewise.
8454 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8456 2006-03-22 Jeff Law <law@redhat.com>
8458 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8459 iv_analyze_result returning false.
8461 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8463 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8465 2006-03-22 Richard Henderson <rth@redhat.com>
8468 * except.c (duplicate_eh_regions_0): New.
8469 (duplicate_eh_region_1): Duplicate the children of the node as
8470 well as the node itself. Link them up properly.
8471 (duplicate_eh_region_2): Merge into ...
8472 (duplicate_eh_regions): ... here. Take copy_region argument, and
8473 copy only a sub-tree if asked. Simplify copying and fixup.
8474 (eh_region_outer_p): New.
8475 * except.h (duplicate_eh_regions): Update decl.
8476 (eh_region_outer_p): Declare.
8477 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8478 (lower_omp_master): Likewise.
8479 (lower_omp_ordered): Likewise.
8480 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8481 (move_stmt_r): Use it to remap labels. Handle recursion vs
8482 remap_decls_p properly.
8483 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8484 (find_outermost_region_in_block): New.
8485 (new_label_mapper): New.
8486 (move_sese_region_to_fn): Copy eh information to the new function
8488 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8490 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8493 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8495 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8496 into shared libraries.
8498 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8500 * doc/md.texi: Refer to i386/constraints.md instead of
8502 * config/i386/constraints.md: New file, extracted from...
8503 * config/i386/predicates.md: ...here.
8504 * config/i386/i386.md: Include constraints.md.
8506 2006-03-21 Jason Merrill <jason@redhat.com>
8508 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8511 * expr.c (init_block_move_fn): Force default visibility.
8512 (init_block_clear_fn): Likewise.
8513 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8514 * targhooks.c (default_external_stack_protect_fail): Likewise.
8516 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8518 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8519 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8520 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8521 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8522 (loadgp): Use mips_current_loadgp_style.
8523 (loadgp_noshared): New pattern.
8524 (sibcall_internal): Use MIPS_CALL.
8525 (sibcall_value_internal): Likewise.
8526 (sibcall_value_multiple_internal): Likewise.
8527 (call_internal): Likewise.
8528 (call_value_internal): Likewise.
8529 (call_value_multiple_internal): Likewise.
8530 (call_split): Use MIPS_CALL and add an 'S' constraint.
8531 (call_value_split): Likewise.
8532 (call_value_multiple_split): Likewise.
8533 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8534 (-mshared): New option.
8535 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8536 (mips_current_loadgp_style): Declare.
8537 * config/mips/mips.c (mips_classify_symbol): Avoid using
8538 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8539 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8540 TARGET_ABSOLUTE_ABICALLS.
8541 (override_options): Adjust comments. Improve the warning that is
8542 issued when -mabicalls and -G are used together.
8543 (mips_file_start): Remove comment.
8544 (mips_current_loadgp_style): New function.
8545 (mips_gnu_local_gp): New variable.
8546 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8548 (mips_output_function_prologue): Use mips_current_laodgp_style.
8549 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8550 the cprestore instruction.
8551 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8552 live for TARGET_ABSOLUTE_ABICALLS.
8553 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8554 (ASM_SPEC): Pass down -mshared and -mno-shared.
8555 (MIPS_CALL): New macro.
8556 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8558 * doc/invoke.texi (-mabicalls): Update documentation.
8559 (-mshared): Document.
8561 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8563 * config/ia64/unwind-hpux.c: New file.
8564 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8566 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8569 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8571 2006-03-21 Jeff Law <law@redhat.com>
8573 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8574 type conversions of a VR_VARYING source to a wider type.
8576 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8578 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8579 tm_file on Solaris 10 and later.
8580 (sparc64-*-solaris2*): Likewise.
8581 (sparc-*-solaris2*): Likewise.
8582 * config/sol26.h: Rename to config/sol2-6.h.
8583 * config/sol2-10.h: New file.
8585 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8588 * tree-ssa-pre.c (create_component_ref_by_pieces):
8591 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8594 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8595 return it immediately.
8597 2006-03-21 Michael Matz <matz@suse.de>
8599 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8601 (remove_arc, add_arc): Update num_out_arcs member.
8602 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8604 (cache_presence): New function.
8605 (compare_states_for_equiv): New function.
8606 (state_is_differed): Don't take number of outargs, adjust callers.
8607 Use new invariant for speeding up.
8608 (init_equiv_class): Create initial classes based on sorted
8610 (partition_equiv_class): Don't track out_arcs_num.
8611 (evaluate_equiv_classes): Call cache_presence on all states and
8614 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8616 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8617 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8618 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8619 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8621 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8622 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8623 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8624 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8625 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8627 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8628 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8629 (REGNO_REG_CLASS): ARGP is in PREGS.
8630 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8632 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8633 to deal with those addresses.
8634 * addresses.h: New file.
8635 * caller-save.c: Include "addresses.h".
8636 (init_caller_save): Use new base_reg_class function.
8637 * rtl-factoring.c: Include "addresses.h".
8638 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8639 * recog.c: Include "addresses.h".
8640 (preprocess_constraints): Use new base_reg_class function.
8641 * regrename.c: Include "addresses.h".
8642 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8643 functions. Keep track of a new var INDEX_CODE to compute valid
8645 (replace_oldest_value_addr): Likewise.
8646 (replace_oldest_value_mem): Use base_reg_class.
8647 * reload.c: Include "addresses.h".
8648 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8649 (find_reloads): Use new base_reg_class function.
8650 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8651 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8652 all callers and prototype changed.
8653 * reload1.c: Include "addresses.h".
8654 (maybe_fix_stack_asms): Use base_reg_class.
8655 * regclass.c: Include "addresses.h".
8656 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8657 (init_reg_autoinc): Use new base_reg_class function.
8658 (record_reg_classes): Likewise.
8659 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8660 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8661 Use new args to compute necessary class.
8663 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8664 regrename.o, rtl-factoring.o): Update dependencies.
8665 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8666 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8667 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8668 REG_OK_FOR_INDEX_P): Delete documentation.
8670 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8672 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8673 from V7 to V9 for Solaris 7 and above.
8675 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8677 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8678 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8679 argument pointers may not alias any other storage.
8680 * common.opt: Define option -fargument-noalias-anything.
8681 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8682 alias semantics is specified by flag_argument_noalias > 2.
8684 2006-03-20 Jeff Law <law@redhat.com>
8686 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8687 (pass_phi_only_cprop): Declare.
8688 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8690 * tree-ssa-dom.c (degenerate_phi_result): New function.
8691 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8692 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8693 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8694 (eliminate_degenerate_phis): Likewise.
8695 (pass_phi_only_cprop): New pass descriptor.
8696 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8697 support code. Callers updated.
8698 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8699 (store_copy_prop): Likewise.
8700 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8702 2006-03-20 Jason Merrill <jason@redhat.com>
8705 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8706 (push_visibility, pop_visibility): Likewise.
8707 * c-pragma.h: Declare them.
8709 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8711 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8713 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8714 parameter and use get_ebb_head_tail.
8715 (sh_md_init_global): Adjust uses of find_regmode_weight.
8717 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8719 * function.h (struct function) <x_tail_recursion_reentry>:
8720 Rename to x_stack_check_probe_note.
8721 (tail_recursion_reentry): Rename to stack_check_probe_note.
8722 * function.c: Replace tail_recursion_reentry with
8723 stack_check_probe_note everywhere.
8724 (expand_function_start): Only emit a note for
8725 stack_check_probe_note with -fstack-protect.
8726 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8728 * emit-rtl.c (remove_unnecessary_notes): Remove.
8729 (pass_remove_unnecessary_notes): Remove.
8730 * rtl.h (remove_unnecessary_notes): Remove prototype.
8731 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8732 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8733 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8735 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8738 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8739 (valid_in_set): Handle ARRAY_REF.
8740 Change "if min_variant or VH" to asserts.
8741 (create_component_ref_by_pieces): Handle ARRAY_REF.
8742 (create_expression_by_pieces): Likewise.
8743 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8745 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8747 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8748 is operand of switch, not str[0].
8750 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8752 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8753 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8755 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8757 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8758 end of insn_extra_address_constraint declaration.
8760 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8762 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8763 (no-sum-in-toc): Same.
8764 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8766 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8767 NO_FP_IN_TOC for -fPIC instead of mask.
8769 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8770 (BOOT_LDFLAGS): Delete.
8772 * config/rs6000/t-aix52: Same.
8774 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8775 (stmsi[345678]_power): New.
8777 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8779 * config/ia64/ia64.opt: Add empty line to end of file.
8781 2006-03-17 Richard Guenther <rguenther@suse.de>
8784 * builtins.c (get_pointer_alignment): For component style references
8785 adjust alignment to the component type alignment. Make sure
8786 to adjust alignment for component access of constants.
8788 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8790 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8793 2006-03-17 Paul Brook <paul@codesourcery.com>
8795 * doc/install.texi: Docuemnt --with-mode.
8796 * config.gcc: Add --with-mode for arm*-*-*.
8797 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8799 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8801 * sh.c (max_labelno_before_reorg): New variable.
8802 (sh_reorg): Initialize it.
8803 (find_barrier): Check max_labelno_before_reorg before using
8804 label_to_alignment. Take length of explicit alignment insns
8805 into account. When seeing a UNSPECV_CONST_END, return it.
8807 * sh.c (fixup_mova): Set mode of affected label to QImode.
8808 (untangle_mova): New function.
8809 (find_barrier): Use it. Check mode of label before decrementing
8811 (sh_reorg): Likewise.
8812 Set mode of all insns back to VOIDmode.
8814 * sh.c (MOVA_LABELREF): New macro.
8815 (mova_p, fixup_mova, sh_reorg): Use it.
8816 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8817 ADDR_DIFF_VEC matches mova.
8819 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8821 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8822 with ATTRIBUTE_UNUSED.
8824 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8826 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8827 pointer, instead of assuming it is possible to derive the
8828 correct args size from a call insn.
8830 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8832 * rtl.h (CONST_INT_P): Define.
8833 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8834 instead of GET_CODE(x) == CONST_INT.
8835 (vax_rtx_costs): Likewise.
8836 (vax_output_int_move): Likewise.
8837 (vax_output_int_add): Likewise.
8838 (legitimate_constant_address_p): Likewise.
8839 (index_term_p): Likewise.
8840 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8841 * config/vax/vax.md (and<mode>3): Likewise.
8842 (ashrsi3): Likewise.
8844 (movstricthi): Likewise.
8845 (movstrictqi): Likewise.
8846 (rotrsi3): Likewise.
8847 (five unnamed insns): Likewise.
8849 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8851 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8852 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8853 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8854 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8855 Pass to ASM_OUTPUT_DWARF_OFFSET.
8856 * dwarf2out.c (debug_frame_section): New.
8857 (output_call_frame_info): Use debug_frame_section. Pass it to
8858 dw2_asm_output_offset.
8859 (output_die): Pass appropriate section to dw2_asm_output_offset.
8860 (output_compilation_unit_header): Likewise.
8861 (output_pubnames): Likewise.
8862 (output_aranges): Likewise.
8863 (enum dw_val_class): Break dw_val_class_lbl_offset into
8864 dw_val_class_lineptr and dw_val_class_macptr.
8865 (add_AT_lbl_offset): Delete.
8866 (add_AT_lineptr): New.
8867 (add_AT_macptr): New.
8868 (AT_lbl): Expect a lineptr or macptr.
8869 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8870 (attr_checksum): Likewise.
8871 (same_dw_val_p): Likewise.
8872 (size_of_die): Likewise.
8873 (value_format): Likewise.
8874 (output_die): Likewise.
8875 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8877 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8878 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8879 * config/darwin-protos.h (darwin_file_start): New.
8880 (darwin_asm_output_dwarf_offset): New.
8881 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8882 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8884 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8885 if not EH section; simplify.
8886 (darwin_file_start): New.
8887 (darwin_asm_output_dwarf_offset): New.
8888 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8890 (DEBUG_INFO_SECTION): Likewise.
8891 (DEBUG_ABBREV_SECTION): Likewise.
8892 (DEBUG_ARANGES_SECTION): Likewise.
8893 (DEBUG_MACINFO_SECTION): Likewise.
8894 (DEBUG_LINE_SECTION): Likewise.
8895 (DEBUG_LOC_SECTION): Likewise.
8896 (DEBUG_PUBNAMES_SECTION): Likewise.
8897 (DEBUG_STR_SECTION): Likewise.
8898 (DEBUG_RANGES_SECTION): Likewise.
8899 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8900 (ASM_OUTPUT_DWARF_OFFSET): New.
8902 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8904 * config.gcc (tm_defines): Always add to previous value rather
8907 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8909 * config/mips/predicates.md (splittable_const_int_operand): New,
8910 split from move_operand.
8911 (splittable_symbolic_operand): New.
8912 (move_operand): Add commentary. Use splittable_const_int_operand.
8913 Inline mips_atomic_symbolic_constant_p.
8914 * config/mips/mips.md: Add combine splitters for handling moves
8915 of splittable_const_int_operands and splittable_symbolic_operands.
8916 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8917 (mips_split_symbol): Declare.
8918 (mips_move_integer): Declare.
8919 * config/mips/mips.c (mips_split_p): Make global.
8920 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8921 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8922 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8923 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8924 (mips_offset_within_object_p): Handle block symbols.
8925 (mips_atomic_symbolic_constant_p): Delete.
8926 (mips_cannot_force_const_mem): Return false for constants that
8927 mips_legitimize_move can handle.
8928 (mips_use_blocks_for_constant_p): New function.
8929 (mips_split_symbol): Make global.
8930 (mips_move_integer): Likewise. Add a temporary register argument.
8931 (mips_legitimize_const_move): Use splittable_const_int_operand and
8932 splittable_symbolic_operand.
8933 (mips_use_anchors_for_symbol_p): New function.
8934 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8935 (mips_split_p): Declare.
8937 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8939 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8940 (mips*-*-linux*): Likewise.
8942 2006-03-16 Roger Sayle <roger@eyesopen.com>
8943 Daniel Speyer <dspeyer@wam.umd.edu>
8946 * tree-dump.c (dump_real): New function.
8947 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8948 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8949 (tree-dump.o): Add $(REAL_H) to the dependencies.
8951 2006-03-16 Roger Sayle <roger@eyesopen.com>
8954 * real.c (real_from_string): If the mantissa is zero, don't bother
8955 parsing the exponent as the result should always be zero.
8957 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8959 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8961 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8963 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8964 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8965 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8966 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8967 ia64_sched_finish_global): New static functions to implement
8968 hooks from gcc_target.sched.
8969 (spec_check_no, max_uid, pending_data_specs): New static variables.
8970 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8971 ia64_spec_check_src_p): New static functions.
8972 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8973 (TARGET_SCHED_ADJUST_COST): Removed.
8974 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8975 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8976 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8977 TARGET_SCHED_GEN_CHECK,
8978 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8979 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8980 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8981 Fixed to handle speculation checks.
8982 (rtx_needs_barrier): Fixed to handle speculative loads and
8984 (ia64_variable_issue): Added code to count speculative loads and their
8986 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8988 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8990 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8992 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8993 (ia64_reorg): Reset stops_p to NULL after it is freed.
8994 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8995 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8996 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8998 (data_speculative, control_speculative, check_load): New attributes.
8999 (mov<mode>_advanced, mov<mode>_speculative,
9000 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9001 zero_extend<mode>di2_speculative,
9002 zero_extend<mode>di2_speculative_advanced): New patterns for
9003 data and control speculative loads.
9004 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9006 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9007 New pattern for data and control speculation checks.
9008 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9009 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9010 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9011 Auxiliary definitions for the patterns.
9012 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9013 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9015 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9017 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9018 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9019 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9020 New resource constraints.
9021 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9023 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9024 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9025 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9026 msched-in-control-spec, msched-ldc, msched-control-ldc,
9027 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9028 msched-prefer-non-control-spec-insns,
9029 msched-count-spec-in-critical-path): New flags to tune speculative
9031 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9032 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9033 msched-in-control-spec, msched-ldc, msched-control-ldc,
9034 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9035 msched-prefer-non-control-spec-insns,
9036 msched-count-spec-in-critical-path): Document new flags.
9038 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9040 * target.h (struct spec_info_def): New opaque declaration.
9041 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9042 speculate_insn, needs_block_p, gen_check,
9043 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9044 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9045 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9046 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9047 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9048 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9050 (TARGET_SCHED): Use new macros.
9051 * rtl.h (copy_DEPS_LIST_list): New prototype.
9052 * sched-int.h (struct sched_info): Change signature of new_ready field,
9053 adjust all initializations. New fields: add_remove_insn,
9054 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9055 region_head_or_leaf_p.
9056 (struct spec_info_def): New structure declaration.
9057 (spec_info_t): New typedef.
9058 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9059 recovery_block, orig_pat.
9060 (glat_start, glat_end): New variables declaraions.
9061 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9063 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9064 DETACH_LIFE_INFO, USE_GLAT.
9065 (enum SPEC_SCHED_FLAGS): New enumeration.
9066 (NOTE_NOTE_BB_P): New macro.
9067 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9068 attach_life_info, debug_spec_status, check_reg_live): New functions.
9069 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9070 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9072 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9073 * ddg.c (get_block_head_tail): Adjust all uses.
9074 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9075 (sms_sched_info): Initialize new fields.
9076 (contributes_to_priority): Removed.
9077 * haifa-sched.c (params.h): New include.
9078 (get_block_head_tail): Adjust all uses.
9079 (ISSUE_POINTS): New macro.
9080 (glat_start, glat_end): New global variables.
9081 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9082 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9083 old_last_basic_block, before_recovery, current_sched_info_var,
9084 rgn_n_insns, luid): New static variables.
9085 (insn_cost1): New function. Move logic from insn_cost to here.
9086 (find_insn_reg_weight1): New function. Move logic from
9087 find_insn_reg_weight to here.
9088 (reemit_notes, move_insn, max_issue): Change signature.
9089 (move_insn1): Removed.
9090 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9091 extend_bb): New static functions to support extension of scheduler's
9093 (generate_recovery_code, process_insn_depend_be_in_spec,
9094 begin_speculative_block, add_to_speculative_block,
9095 init_before_recovery, create_recovery_block, create_check_block_twin,
9096 fix_recovery_deps): New static functions to support
9097 generation of recovery code.
9098 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9099 restore_bb_notes, move_block_after_check, move_succs): New static
9100 functions to support ebb scheduling.
9101 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9102 functions to support handling of register live information.
9103 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9104 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9105 add_jump_dependencies): New static functions.
9106 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9107 consistancy checking.
9108 (debug_spec_status): New function to call from debugger.
9109 (priority): Added code to handle speculation checks.
9110 (rank_for_schedule): Added code to distinguish speculative instructions.
9111 (schedule_insn): Added code to handle speculation checks.
9112 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9113 Fixed to handle ebbs.
9114 (move_insn): Added code to handle ebb scheduling.
9115 (max_issue): Added code to use ISSUE_POINTS of instructions.
9116 (choose_ready): Added code to choose between speculative and
9117 non-speculative instructions.
9118 (schedule_block): Added code to handle ebb scheduling and scheduling of
9119 speculative instructions.
9120 (sched_init): Initialize new variables.
9121 (sched_finish): Free new variables. Print statistics.
9122 (try_ready): Added code to handle speculative instructions.
9123 * lists.c (copy_DEPS_LIST_list): New function.
9124 * sched-deps.c (extend_dependency_caches): New function. Move logic
9125 from create_dependency_caches to here.
9126 (get_dep_weak, ds_merge): Make global.
9127 * genattr.c (main): Code to output prototype for
9128 dfa_clear_single_insn_cache.
9129 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9130 (output_dfa_clean_insn_cache_func): Code to output
9131 dfa_clear_single_insn_cache function.
9132 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9134 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9136 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9137 New static variables.
9138 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9139 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9141 (ebb_sched_info): Initialize new fields.
9142 (get_block_head_tail): Adjust all uses.
9143 (compute_jump_reg_dependencies): Fixed to use glat_start.
9144 (schedule_ebb): Code to remove unreachable last block.
9145 (schedule_ebbs): Added code to update register live information.
9146 * sched-rgn.c (region_sched_info): Initialize new fields.
9147 (get_block_head_tail): Adjust all uses.
9148 (last_was_jump): Removed. Adjust users.
9149 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9150 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9151 Implement new hooks.
9152 (check_dead_notes1): New static function.
9153 (struct region): New fields: dont_calc_deps, has_real_ebb.
9154 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9155 (BB_TO_BLOCK): Fixed to handle EBBs.
9156 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9157 (ebb_head): New static variable.
9158 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9159 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9161 (compute_dom_prob_ps): New assertion.
9162 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9163 global_live_at_start.
9164 (init_ready_list): New assertions.
9165 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9166 (new_ready): Add support for BEGIN_CONTROL speculation.
9167 (schedule_insns): Fixed code that updates register live information
9169 (schedule_region): Fixed to handle EBBs.
9170 (init_regions): Use extend_regions and check_dead_notes1.
9171 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9172 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9173 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9174 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9175 TARGET_SCHED_GEN_CHECK,
9176 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9177 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9178 * doc/invoke.texi (max-sched-insn-conflict-delay,
9179 sched-spec-prob-cutoff): Document.
9181 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9183 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9184 inter_tick, queue_index.
9185 (struct sched_info): Change signature of init_ready_list field.
9186 Adjust all initializations.
9187 (RESOLVED_DEPS): New access macro.
9188 (ready_add): Remove prototype.
9189 (try_ready): Add prototype.
9190 * sched-rgn.c (init_ready_list): Use try_ready.
9191 (schedule_region): Initialize
9192 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9193 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9194 (init_ready_list): Use try_ready.
9195 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9196 * lists.c (remove_list_elem): Remove `static'.
9197 (remove_free_INSN_LIST_elem): New function.
9198 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9199 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9200 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9202 (readyp): New variable.
9203 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9204 change_queue_index, resolve_dep): New static functions.
9205 (try_ready): New function. Adjust callers in sched-rgn.c and
9206 sched-ebb.c to use it instead of ready_add.
9207 (clock_var): Move at the begining of file.
9208 (rank_for_schedule): Fix typo.
9209 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9210 (ready_lastpos): Enforce assertion.
9211 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9213 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9214 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9215 (queue_to_ready): Use free_INSN_LIST_list.
9216 (early_queue_to_ready): Fix typo.
9217 (schedule_block): Init readyp. Move init_ready_list call after the
9218 initialization of clock_var. Fix error in rejecting insn by
9219 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9220 that previously corrected INSN_TICKs. Add code for handling
9222 (set_priorities): Fix typo.
9223 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9224 Clarify comment and code that keeps current_sched_info->next_tail
9227 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9229 * sched-rgn.c (extend_rgns): New static function.
9230 (find_rgns): Use it.
9231 (gather_region_statistics, print_region_statistics): New static
9233 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9234 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9236 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9237 Andrey Belevantsev <abel@ispras.ru>
9239 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9240 * lists.c (unused_deps_list): New variable.
9241 (free_list): Add assertions to verify the proper distinguishing
9242 between INSN_LISTs and DEPS_LISTs.
9243 (find_list_elem, remove_list_elem, remove_list_node): New static
9245 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9246 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9247 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9248 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9250 (free_INSN_LIST_node): Likewise.
9251 * modulo-sched.c (current_sched_info): Initialize flags field.
9252 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9253 * rtl.def (DEPS_LIST): Define.
9254 * rtl.h: Declare new functions from lists.c.
9255 * sched-deps.c (spec_dependency_cache): New static variable.
9256 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9257 (add_dependence): Change return type to void. Move the logic to ...
9258 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9259 (delete_all_dependences): Add comment about forward_dependency_cache.
9260 Handle spec_dependency_cache. Handle DEPS_LISTs.
9261 (fixup_sched_groups): Clarify the change of priority of output
9262 and anti dependencies.
9263 (sched_analyze_2): Adjust add_dependence calls to create data
9264 speculative dependence.
9265 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9266 Adjust all callers. Handle DEPS_LISTS.
9267 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9268 presence of speculation.
9269 (init_dependency_caches, free_dependency_caches):
9270 Handle spec_dependency_cache.
9271 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9272 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9273 New static functions.
9274 (add_or_update_back_dep, add_or_update_back_forw_dep,
9275 add_back_forw_dep, delete_back_forw_dep): New functions.
9276 * sched-int.h (ds_t, dw_t): New typedefs.
9277 (struct sched_info): Add new field flags.
9278 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9279 Prototype new sched-deps.c functions.
9280 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9281 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9282 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9283 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9284 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9285 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9287 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9289 * sched-rgn.c (current_sched_info): Initialize flags field.
9290 (schedule_insns): Initialize current_sched_info before the sched_init
9292 * sched-ebb.c (current_sched_info): Initialize flags field.
9293 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9294 Call add_or_update_back_dep instead of add_dependence.
9295 Create control speculative dependencies.
9296 (schedule_insns): Initialize current_sched_info before the sched_init
9299 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9301 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9303 (sh_fallback_frame_state): Likewise.
9305 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9307 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9308 Do switch on default_use_cxa_atexit.
9309 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9310 * config/darwin-crt3.o: New.
9311 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9312 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9313 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9315 * config/rs6000/t-darwin: Move crt2.o building to here.
9316 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9317 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9320 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9322 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9323 from '! xxx' to '!xxx' for coding-style conformance.
9324 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9325 (EXTRA_CONSTRAINT): Likewise.
9326 * config/vax/vax.md (four unnamed insns): Likewise.
9328 2006-03-15 Paul Brook <paul@codesourcery.com>
9330 * config/arm/arm.c (minipool_pad): New.
9331 (add_minipool_forward_ref): Include pool alignment padding in address
9333 (push_minipool_fix): Set minipool_pad.
9334 (minipool_pad): Ditto.
9336 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9338 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9339 instead of GET_CODE() == MEM and REG_P() instead of
9341 (print_operand_address): Likewise.
9342 (vax_address_cost): Likewise.
9343 (vax_rtx_costs): Likewise.
9344 (vax_notice_update_cc): Likewise.
9345 (vax_output_int_add): Likewise.
9346 (INDEX_REGISTER_P): Likewise.
9347 (BASE_REGISTER_P): Likewise.
9348 (nonindexed_address_p): Likewise.
9349 (vax_mode_dependent_address_p): Likewise.
9350 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9351 (PRINT_OPERAND): Likewise.
9352 * config/vax/vax.md (ashlsi3): Likewise.
9353 (ashlsi3): Likewise.
9354 (some more unnamed insns): Likewise.
9356 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9358 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9359 iterator-style macro.
9360 (mark_control_dependent_edges_necessary): Update the use of
9361 EXECUTE_IF_CONTROL_DEPENDENT.
9363 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9365 * config/sh/predicates.md (cache_address_operand): Special.
9366 (ua_address_operand): Likewise.
9368 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9370 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9372 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9374 2006-03-15 Andreas Schwab <schwab@suse.de>
9376 * gensupport.c (identify_predicable_attribute): Don't free p_false
9377 when it is still in use.
9379 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9381 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9382 the default setting here.
9384 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9386 * tree-pass.h (pass_cfg): Remove.
9387 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9388 * passes.c (pass_cfg): Don't run it.
9390 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9392 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9393 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9395 (stack_regs_mentioned): Update the uses of
9396 stack_regs_mentioned_data. Don't access the array beyond its
9398 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9399 Don't include gt-reg-stack.h.
9401 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9402 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9404 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9407 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9410 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9412 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9414 2006-03-14 Richard Guenther <rguenther@suse.de>
9416 PR tree-optimization/26672
9417 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9420 2006-03-14 Richard Guenther <rguenther@suse.de>
9422 PR tree-optimization/26667
9423 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9424 node for the callees. Always allow inlining if it will shrink
9427 2006-03-14 Richard Guenther <rguenther@suse.de>
9430 * builtins.c (get_pointer_alignment): Prefer alignment
9431 information from decls over that from types.
9433 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9436 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9438 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9440 * config/rs6000/rs6000.opt (mdlmzb): New option.
9441 (msched-prolog, msched-epilog): Use Var not Mask.
9442 * doc/invoke.texi (-mdlmzb): Document.
9443 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9445 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9446 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9448 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9450 PR rtl-optimization/25739
9451 * bt-load.c (augment_live_range): Free tos pointer.
9453 * gensupport.c (identify_predicable_attribute): Free
9455 * gcov.c (create_file_names): Free name pointer.
9457 2006-03-13 Roger Sayle <roger@eyesopen.com>
9460 * stmt.c (emit_case_nodes): Handle the case where the index is a
9461 CONST_INT, where the comparison mode is specified by the index type.
9463 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9465 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9468 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9470 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9471 (*branch_fp_inverted): Likewise.
9473 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9476 * omp-low.c (expand_omp_for_generic): Mark istart0
9477 and iend0 as addressable.
9479 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9481 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9483 2006-03-13 Jeff Law <law@redhat.com>
9485 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9486 virtual operands are interesting.
9487 (vrp_visit_stmt): Corresponding changes.
9489 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9491 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9493 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9494 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9495 * config/bfin/crti.S: Use it instead of __PIC__.
9496 * config/bfin/crtn.S: Likewise.
9498 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9499 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9501 Lose 'G' modifier for call operand.
9502 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9503 recognize 'G' modifier.
9505 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9508 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9509 * stmt.c (expand_case): Likewise.
9511 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9513 PR rtl-optimization/26254
9514 * loop-invariant.c (seq_insns_valid_p): New function.
9515 (move_invariant_reg): Only emit new code if it is valid.
9517 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9519 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9521 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9522 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9523 (commit_one_edge_insertion): Do not look for loop notes.
9525 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9527 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9528 flag_test_coverage out of loop.
9530 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9532 * final.c (shorten_branches): Remove outdated comment, and turn
9533 the if branch that guards it to continue.
9535 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9537 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9538 * cfgloop.h (struct loop): Remove unused fields.
9540 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9542 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9543 (-dL, -fdump-rtl-loop2): Update the dump file names
9545 * doc/invoke.texi: Update dump file names.
9547 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9549 * predict.c (estimate_probability): Remove.
9550 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9551 * basic-block.h (estimate_probability): Remove prototype.
9552 * passes.c (finish_optimization_passes): Dump branch prediction or
9553 profiling heuristics to the .profile tree dump.
9554 (init_optimization_passes): Unqueue pass_branch_prob.
9556 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9558 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9560 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9561 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9563 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9565 * function.h (frame_offset_overflow): Declare.
9566 * function.c (frame_offset_overflow): New function.
9567 (assign_stack_local_1): Call it to detect that the offset overflows.
9568 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9570 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9572 * config/sh/sh.c: Include alloc-pool.h.
9573 (label_ref_list_pool): New alloc pool.
9574 (label_ref_list_t): New type for lists of labels.
9575 (struct pool_node): Make wend a label_ref_list_t.
9576 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9578 (dump_table): Likewise.
9579 (sh_reorg): Set up the alloc pool before using add_constant and
9580 dump_table, and destroy it when finishing.
9582 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9584 * config/mips/mips.c: Remove redundant comment.
9586 2006-03-10 Jason Merrill <jason@redhat.com>
9589 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9590 the target was declared 'register'.
9592 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9594 * genpreds.c (write_insn_constraint_len): Change definition of
9595 insn_constraint_len to return size_t to match the declaration.
9597 2006-03-10 DJ Delorie <dj@redhat.com>
9599 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9601 (m32c_expand_insv): Fix test for an AND mask.
9603 2006-03-10 Richard Guenther <rguenther@suse.de>
9606 * builtins.c (get_pointer_alignment): Handle component
9607 references for field alignment.
9609 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9611 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9612 when building with libgloss.
9613 (sh*elf): Implement --without-fp option.
9614 (sh64-superh-linux*): Don't multilib.
9616 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9618 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9620 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9622 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9623 Set it when one of the replacement functions returned true.
9624 Return TODO_cleanup_cfg if cfgchanged is true.
9625 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9627 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9629 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9630 instead of gen_lowpart.
9632 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9634 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9636 (mips_output_order_conditional_branch): Declare.
9637 * config/mips/mips.h (MIPS_BRANCH): New macro.
9638 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9639 for the comparison. Use gen_condjump.
9640 (mips_output_conditional_branch): Rework interface to take the
9641 asm templates for a direct branch and the inverse of a direct branch.
9642 (mips_output_order_conditional_branch): New function.
9643 (mips_builtin_branch_and_move): New function.
9644 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9645 branch condition. Use gen_single_cc as the condition for
9646 __builtin_mips_upper_* or __builtin_mips_lower_*.
9647 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9648 Use VOIDmode for the branch condition.
9649 * config/mips/predicates.md (order_operator): New predicate.
9650 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9651 (branch_fp): Rename to...
9652 (*branch_fp): ...this. Remove mode from comparison operator.
9653 Use new mips_output_conditional_branch interface.
9654 (branch_fp_inverted): Rename to...
9655 (*branch_fp_inverted): ...this and update as for *branch_fp.
9656 (*branch_zero<mode>): Rename to...
9657 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9658 Use mips_output_order_conditional_branch. Only accept ordered
9660 (*branch_zero<mode>_inverted): Rename to...
9661 (*branch_order<mode>_inverted): ...this and update as for
9662 *branch_order<mode>.
9663 (*branch_equality<mode>): Accept zero as the second operand to
9664 the equality operator. Use the new mips_output_conditional_branch
9666 (*branch_equality<mode>_inverted): Likewise.
9667 (condjump): New expander.
9668 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9670 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9671 (bc1any2t, bc1any2f): Likewise.
9672 (single_cc): New expander.
9673 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9675 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9677 * doc/md.texi: Update documentation of MIPS constraints.
9678 * config/mips/constraints.md: New file.
9679 * config/mips/mips.md: Include it.
9680 * config/mips/mips.c (mips_char_to_class): Delete.
9681 (override_options): Don't initialize mips_char_to_class.
9682 * config/mips/mips.h (mips_char_to_class): Delete.
9683 (REG_CLASS_FROM_LETTER): Delete.
9684 (CONST_OK_FOR_LETTER_P): Delete.
9685 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9686 (EXTRA_CONSTRAINT_Y): Delete.
9687 (EXTRA_CONSTRAINT_STR): Delete.
9688 (CONSTRAINT_LEN): Delete.
9689 (EXTRA_MEMORY_CONSTRAINT): Delete.
9691 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9693 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9694 original fn's eh regions.
9696 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9698 * fold-const.c (build_range_check): Make sure to use a valid type to
9699 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9702 (range_predecessor): New static function.
9703 (range_successor): Likewise.
9704 (merge_ranges): Use them to compute predecessors and successors of
9707 2006-03-09 Roger Sayle <roger@eyesopen.com>
9710 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9711 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9713 2006-03-08 DJ Delorie <dj@redhat.com>
9715 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9716 (addpsi3): Expand to include memory operands. Remove
9717 reload-specific splits.
9718 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9719 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9720 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9721 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9722 (shift1_qi, shift1_hi, insv): New.
9723 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9724 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9725 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9727 * config/m32c/m32c-protos.h: Update as needed.
9728 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9729 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9730 Fail for unrecognized R* constraints.
9731 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9732 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9733 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9735 (m32c_init_libfuncs): New.
9736 (m32c_legitimate_address_p): Add debug wrapper.
9737 (m32c_rtx_costs): New.
9738 (m32c_address_cost): New.
9739 (conversions): Add 'B' prefix.
9740 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9741 operands, or word regnames for QI operands. 'B' prints bit
9743 (m32c_expand_setmemhi): New.
9744 (m32c_expand_movmemhi): New.
9745 (m32c_expand_movstr): New.
9746 (m32c_expand_cmpstr): New.
9747 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9748 (m32c_expand_neg_mulpsi3): Handle non-ints.
9749 (m32c_cmp_flg_0): New.
9750 (m32c_expand_movcc): New.
9751 (m32c_expand_insv): New.
9752 (m32c_scc_pattern): New.
9753 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9754 a0/a1 out of SIregs.
9755 (STORE_FLAG_VALUE): New.
9756 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9759 * config/m32c/mov.md: Make constraints more liberal.
9760 (zero_extendqihi2): Optimize r0/r1 case.
9761 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9762 * config/m32c/predicates.md (m32c_any_operand): New.
9763 (m32c_nonimmediate_operand): New.
9764 (m32c_hl_operand): New.
9765 (m32c_r3_operand): New.
9768 (memsym_operand): New.
9769 (memimmed_operand): New.
9770 (a_qi_operand): New.
9771 (m32c_eqne_operator): New.
9772 (m32c_1bit8_operand): New.
9773 (m32c_1bit16_operand): New.
9774 (m32c_1mask8_operand): New.
9775 (m32c_1mask16_operand): New.
9776 * config/m32c/blkmov.md: New file.
9777 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9779 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9781 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9782 unsigned to fix signed/unsigned comparison issue in
9783 DWARF2_FRAME_REG_OUT.
9784 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9785 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9787 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9788 of ptr into the ENABLE_CHECKING section.
9790 2006-03-08 Jeff Law <law@redhat.com>
9792 * tree-vrp.c (infer_value_range): Only count pointer uses
9793 and dereferences if -fdelete-null-pointer-checks is enabled.
9795 * tree-vrp.c (find_assert_locations): Infer value ranges for
9796 single use pointers, but do not create ASSERT_EXPRs for them.
9797 When a non-null range is inferred for a pointer, backwards
9798 propagate that range to other equivalent pointers through the
9801 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9804 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9805 language hook targets.
9806 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9807 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9808 if language hook targets were missing.
9810 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9812 * tree-ssa-opfinalize.h: Removed.
9813 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9815 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9816 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9817 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9818 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9819 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9820 finalize_ssa_v_must_def_ops): New.
9822 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9824 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9827 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9829 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9831 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9832 addresses with offsets; reorganize.
9834 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9835 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9836 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9838 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9841 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9843 2006-03-08 Ben Elliston <bje@au.ibm.com>
9845 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9847 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9850 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9853 2006-03-07 Richard Guenther <rguenther@suse.de>
9855 PR tree-optimization/26587
9856 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9858 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9860 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9862 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9864 * hooks.c (hook_bool_mode_rtx_true): New function.
9865 * hooks.h (hook_bool_mode_rtx_true): Declare.
9866 * toplev.c (compile_file): Call output_shared_constant_pool.
9867 * varasm.c (shared_constant_pool): New variable.
9868 (assemble_start_function, assemble_end_function): Remove arguments
9869 from call to output_constant_pool.
9870 (create_constant_pool): New function, split out from...
9871 (init_varasm_status): ...here.
9872 (force_const_mem): Choose between the shared and per-function constant
9873 pools. Set current_function_uses_const_pool when reusing old entries
9874 as well as when creating new ones.
9875 (mark_constant): Ignore data argument.
9876 (mark_constants): Remove pool argument.
9877 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9878 to decide whether the function uses a constant pool.
9879 (output_constant_pool_contents): New function, split out from...
9880 (output_constant_pool): ...here.
9881 (output_shared_constant_pool): New function.
9882 (init_varasm_once): Initialize shared_constant_pool.
9883 * output.h (output_constant_pool): Delete.
9884 (output_shared_constant_pool): Declare.
9885 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9886 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9888 2006-03-06 Nick Clifton <nickc@redhat.com>
9890 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9891 flag_strength_reduce.
9893 2006-03-06 Ben Elliston <bje@au.ibm.com>
9895 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9896 x86_64-*-linux* configurations.
9898 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9899 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9901 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9903 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9905 * basic-block.h: Remove the extern for
9906 rediscover_loops_after_threading.
9908 * cfgloop.c (cancel_loop): Make it static.
9909 * cfgloop.h: Remove the prototype for cancel_loop.
9911 * flow.c (recompute_reg_usage): Make it static.
9912 * rtl.h: Remove the prototype for recompute_reg_usage.
9914 * function.c (use_return_register): Make it static.
9915 * function.h: Remove the prototype.
9917 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9919 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9921 * recog.h: Remove the prototype for
9922 validate_change_maybe_volatile.
9924 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9926 * rtlanal.c (replace_reg): Remove.
9927 * rtl.h: Remove the prototype for replace_reg.
9929 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9931 * regclass.c (reg_scan_update): Remove.
9932 (reg_scan_mark_refs): Remove the last argument.
9933 * rtl.h: Remove the prototype for reg_scan_update.
9935 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9937 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9938 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9939 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9940 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9941 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9942 loop-invariant.c, omp-low.c, opts.c, passes.c,
9943 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9944 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9945 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9946 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9947 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9948 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9950 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9952 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9953 * dwarf2out.h: Remove the prototype for
9954 dwarf2out_add_library_unit_info.
9956 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9958 * tree.c (add_var_to_bind_expr): Remove.
9959 * tree.h: Remove the prototype for add_var_to_bind_expr.
9961 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9963 * regclass.c (n_non_fixed_regs): Remove.
9964 (init_reg_sets_1, globalize_reg): Remove all uses of
9966 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9968 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9970 * rtlanal.c (insns_safe_to_move_p): Remove.
9971 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9973 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9975 * expmed.c (expand_mult_add): Remove.
9976 * expr.h: Remove the prototype for expand_mult_add.
9978 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9980 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9981 and REG_SAVED_VAL_EXP constants.
9982 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9983 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9984 Handle regs stored by value.
9985 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9986 (execute_cfa_program): Handle DW_CFA_val_offset,
9987 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9988 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9989 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9990 (uw_install_context_1): Handle target regs stored by value.
9992 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9994 * tree-sra.c (tree_sra): Return todoflags;
9995 (generate_one_element): Set TODO_update_smt_usage if needed.
9996 (pass_sra): Remove TODO_update_smt_usage.
9997 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9999 (tree_ssa_forward_propagate_single_use_vars): Return
10000 TODO_update_smt_usage if we need to update SMT usage.
10001 (pass_forwprop): Remove TODO_update_smt_usage.
10003 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10005 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10006 (correct_use_link): Remove reference to get_stmt_operands.
10007 (update_stmt_operands): Likewise.
10008 (get_modify_expr_operands): New function factored out of
10009 parse_ssa_operands and get_expr_operands.
10010 Try to create V_MUST_DEFs for LHS by default.
10011 (get_expr_operands) <case MODIFY_EXPR>: Call
10012 get_modify_expr_operands.
10013 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10014 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10015 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10016 get_modify_expr_operands.
10018 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10020 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10021 * tree-flow.h: Remove the prototype for
10022 referenced_var_lookup_if_exists.
10024 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10026 PR rtl-optimization/26345
10028 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10030 2006-03-03 Roger Sayle <roger@eyesopen.com>
10032 PR tree-optimization/26524
10033 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10034 fold_convert to create a constant of the appropriate type.
10036 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10038 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10039 SYMBOL_REF_IN_BLOCK_P.
10040 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10041 of SYMBOL_FLAG_IN_BLOCK.
10042 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10043 instead of SYMBOL_REF_IN_BLOCK_P.
10044 * explow.c (use_anchored_address): Likewise.
10045 * rtl.c (rtx_size): Likewise.
10046 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10047 instead of SYMBOL_FLAG_IN_BLOCK.
10048 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10049 SYMBOL_REF_IN_BLOCK_P.
10050 (assemble_variable): Likewise.
10051 (output_constant_def_contents): Likewise.
10052 (output_constant_pool): Likewise.
10053 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10054 instead of SYMBOL_FLAG_IN_BLOCK.
10055 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10056 SYMBOL_REF_IN_BLOCK_P.
10057 (SYMBOL_REF_BLOCK): Likewise.
10058 (SYMBOL_REF_OFFSET): Likewise.
10059 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10060 SYMBOL_REF_IN_BLOCK_P.
10061 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10062 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10063 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10064 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10066 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10068 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10070 2006-03-02 Roger Sayle <roger@eyesopen.com>
10072 * simplify-rtx.c (simplify_unary_operation): When simplifying
10073 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10074 that we perform the right shift in the appropriate mode, and
10075 then extend or truncate the result to requested mode.
10077 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10079 * gengtype.c (main): Handle double_int type.
10080 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10081 * double-int.c: New file.
10082 * double-int.h: New file.
10083 * system.h: Include doubleint.h.
10084 * Makefile.in (SYSTEM_H): Include double-int.h.
10085 (double-int.o): Add.
10087 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10090 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10093 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10095 * tree-vrp.c (remove_range_assertions): Do not update statements
10098 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10100 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10102 * gcse.c (rest_of_handle_gcse): Ditto.
10103 * except.c (gate_handle_eh): Ditto.
10104 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10105 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10107 2006-03-02 Eric Christopher <echristo@apple.com>
10109 * config/i386/i386.c (machopic_output_stub): Add indirection to
10112 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10116 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10118 Sun Niagara specific optimizations.
10119 * config.gcc: Recognize niagara as target.
10120 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10121 (TARGET_CPU_niagara): Define.
10122 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10123 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10124 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10125 (ASM_CPU_SPEC): Likewise.
10126 (PROCESSOR_NIAGARA): New enum entry.
10127 (REGISTER_MOVE_COST): Handle Niagara.
10128 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10129 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10130 (sparc_override_options): Recognize "niagara", set appropriate
10131 default MASK_* values for it, and align functions to 32-bytes
10132 by default just like ULTRASPARC/ULTRASPARC3.
10133 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10134 (sparc64_initialize_trampoline): Likewise.
10135 (sparc_use_sched_lookahead): Use zero for niagara.
10136 (sparc_issue_rate): Use one for niagara.
10137 * config/sparc/niagara.md: New file.
10138 * config/sparc/sparc.md: Include it.
10139 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10140 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10141 when default cpu is niagara.
10142 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10143 (ASM_CPU_SPEC): Likewise.
10144 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10145 when default cpu is niagara.
10146 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10147 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10148 just like v9/ultrasparc/ultrasparc3.
10149 * doc/invoke.texi: Add documentation for "niagara" and improve
10150 existing documentation for ultrasparc variants.
10152 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10154 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10156 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10158 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10159 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10160 and say that only one is needed.
10161 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10162 * target.h (have_switchable_bss_sections): New hook.
10163 * explow.c (use_anchored_address): Check that the symbol is in a block.
10164 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10165 (bss_noswitch_section): New variables.
10166 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10167 (get_noswitch_section): New function.
10168 (get_block_for_section): Allow SECT to be null.
10169 (unlikely_text_section_p): Use SECTION_STYLE.
10170 (bss_initializer_p): New function.
10171 (get_variable_section): Move earlier in file. Take a new argument,
10172 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10173 Return one of the new *_sections in such cases.
10174 (get_block_for_decl): New function, extracting some logic from
10175 use_blocks_for_decl_p.
10176 (change_symbol_section): Remove in favor of...
10177 (change_symbol_block): ...this new function.
10178 (use_blocks_for_decl_p): Remove checks now performed by
10179 get_block_for_decl.
10180 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10181 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10182 (emit_local, emit_bss, emit_common): ...these new functions.
10183 Return true if the alignment was honored.
10184 (emit_tls_common): New function.
10185 (asm_emit_uninitialised): Delete.
10186 (assemble_variable_noswitch): New function, split out from...
10187 (assemble_variable): ...here. Don't make decisions about common
10188 variables here. Globalize all public decls that go into non-common
10189 sections. Check whether SYMBOL_REF_BLOCK is null.
10190 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10191 (output_constant_pool): Likewise.
10192 (init_varasm_once): Initialize the new section variables.
10193 (have_global_bss_p): New function.
10194 (categorize_decl_for_section): Use bss_initializer_p.
10195 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10196 (place_block_symbol): Assert that the symbol must be in a block.
10197 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10198 (TARGET_INITIALIZER): Include it.
10199 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10200 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10201 (SECTION_MACH_DEP): Bump by two.
10202 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10203 (unnamed_section): Mention SECTION_UNNAMED in comment.
10204 (named_section): Likewise SECTION_NAMED.
10205 (noswitch_section_callback): New type.
10206 (noswitch_section): New structure.
10207 (section): Add a noswitch_section alternative.
10208 (SECTION_STYLE): New macro.
10209 (tls_comm_section, comm_section, lcomm_section): Declare.
10210 (bss_noswitch_section, have_global_bss_p): Declare.
10211 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10212 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10214 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10215 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10218 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10220 * tree-vrp.c (execute_vrp): Return value.
10221 * regrename.c (rest_of_handle_regrename): Ditto.
10222 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10223 * tree-complex.c (tree_lower_complex): Ditto.
10224 (tree_lower_complex_O0): Ditto.
10225 * tracer.c (rest_of_handle_tracer): Ditto.
10226 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10227 * postreload.c (rest_of_handle_postreload): Ditto.
10228 * tree-tailcall.c (execute_tail_recursion): Ditto.
10229 (execute_tail_calls): Ditto.
10230 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10231 * tree.h (init_function_for_compilation): Ditto.
10232 * ipa-cp.c (ipcp_driver): Ditto.
10233 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10234 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10235 * final.c (compute_alignments): Ditto.
10236 (rest_of_handle_final): Ditto.
10237 (rest_of_handle_shorten_branches): Ditto.
10238 (rest_of_clean_state): Ditto.
10239 * omp-low.c (execute_expand_omp): Ditto.
10240 (execute_lower_omp): Ditto.
10241 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10242 * ipa-reference.c (static_execute): Ditto.
10243 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10244 * reorg.c (rest_of_handle_delay_slots): Ditto.
10245 (rest_of_handle_machine_reorg): Ditto.
10246 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10247 * flow.c (recompute_reg_usage): Ditto.
10248 (rest_of_handle_remove_death_notes): Ditto.
10249 (rest_of_handle_life): Ditto.
10250 (rest_of_handle_flow2): Ditto.
10251 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10252 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10253 (do_ssa_store_ccp): Ditto.
10254 (execute_fold_all_builtins): Ditto.
10255 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10256 * modulo-sched.c (rest_of_handle_sms): Ditto.
10257 * ipa-pure-const.c (static_execute): Ditto.
10258 * cse.c (rest_of_handle_cse): Ditto.
10259 (rest_of_handle_cse2): Ditto.
10260 * web.c (rest_of_handle_web): Ditto.
10261 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10262 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10263 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10264 * tree-nrv.c (tree_nrv): Ditto.
10265 (execute_return_slot_opt): Ditto.
10266 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10267 (create_structure_vars): Ditto.
10268 * loop-init.c (rtl_loop_init): Ditto.
10269 (rtl_loop_done): Ditto.
10270 (rtl_move_loop_invariants): Ditto.
10271 (rtl_unswitch): Ditto.
10272 (rtl_unroll_and_peel_loops): Ditto.
10273 (rtl_doloop): Ditto.
10274 * gimple-low.c (lower_function_body): Ditto.
10275 (mark_used_blocks): Ditto.
10276 * tree-ssa-sink.c (execute_sink_code): Ditto.
10277 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10278 (cgraph_early_inlining): Ditto.
10279 * global.c (rest_of_handle_global_alloc): Ditto.
10280 * jump.c (cleanup_barriers): Ditto.
10281 (purge_line_number_notes): Ditto.
10282 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10283 (rest_of_handle_if_after_reload): Ditto.
10284 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10285 (tree_ssa_loop_im): Ditto.
10286 (tree_ssa_loop_unswitch): Ditto.
10287 (tree_vectorize): Ditto.
10288 (tree_linear_transform): Ditto.
10289 (tree_ssa_loop_ivcanon): Ditto.
10290 (tree_ssa_empty_loop): Ditto.
10291 (tree_ssa_loop_bounds): Ditto.
10292 (tree_complete_unroll): Ditto.
10293 (tree_ssa_loop_prefetch): Ditto.
10294 (tree_ssa_loop_ivopts): Ditto.
10295 (tree_ssa_loop_done): Ditto.
10296 * predict.c (tree_estimate_probability): Ditto.
10297 * recog.c (split_all_insns_noflow): Ditto.
10298 (rest_of_handle_peephole2): Ditto.
10299 (rest_of_handle_split_all_insns): Ditto.
10300 * tree-eh.c (lower_eh_constructs): Ditto.
10301 * regmove.c (rest_of_handle_regmove): Ditto.
10302 (rest_of_handle_stack_adjustments): Ditto.
10303 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10304 * function.c (instantiate_virtual_regs): Ditto.
10305 (init_function_for_compilation): Ditto.
10306 (rest_of_handle_check_leaf_regs): Ditto.
10307 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10308 (rest_of_handle_gcse): Ditto.
10309 * ipa-type-escape.c (type_escape_execute): Ditto.
10310 * alias.c (rest_of_handle_cfg): Ditto.
10311 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10312 * profile.c (rest_of_handle_branch_prob): Ditto.
10313 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10314 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10315 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10316 * tree-dfa.c (find_referenced_vars): Ditto.
10317 * except.c (set_nothrow_function_flags): Ditto.
10318 (convert_to_eh_region_ranges): Ditto.
10319 (rest_of_handle_eh): Ditto.
10320 * emit-rtl.c (unshare_all_rtl): Ditto.
10321 (remove_unnecessary_notes): Ditto.
10322 * except.h (set_nothrow_function_flags): Ditto.
10323 (convert_to_eh_region_ranges): Ditto.
10324 * cfgexpand.c (tree_expand_cfg): Ditto.
10325 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10326 * tree-ssa-pre.c (do_pre): Ditto.
10327 (execute_fre): Ditto.
10328 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10329 (rest_of_handle_jump2): Ditto.
10330 * tree-sra.c (tree_sra): Ditto.
10331 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10332 (execute_mudflap_function_decls): Ditto.
10333 * tree-ssa-copy.c (do_copy_prop): Ditto.
10334 (do_store_copy_prop): Ditto.
10335 * ipa-prop.h (ipcp_driver): Ditto.
10336 * cfglayout.c (insn_locators_initialize): Ditto.
10337 * tree-ssa-forwprop.c
10338 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10339 * cfglayout.h (insn_locators_initialize): Ditto.
10340 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10341 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10342 (execute_late_warn_uninitialized): Ditto.
10343 * rtl.h (cleanup_barriers): Ditto.
10344 (split_all_insns_noflow): Ditto.
10345 (purge_line_number_notes): Ditto.
10346 (unshare_all_rtl): Ditto.
10347 (remove_unnecessary_notes): Ditto.
10348 (recompute_reg_usage): Ditto.
10349 (variable_tracking_main): Ditto.
10350 * integrate.c (emit_initial_value_sets): Ditto.
10351 * integrate.h (emit_initial_value_sets): Ditto.
10352 * tree-optimize.c (execute_free_datastructures): Ditto
10353 (execute_free_cfg_annotations): Ditto.
10354 (execute_fixup_cfg): Ditto.
10355 (execute_cleanup_cfg_pre_ipa): Ditto.
10356 (execute_cleanup_cfg_post_optimizing): Ditto.
10357 (execute_init_datastructures): Ditto.
10358 * tree-object-size.c (compute_object_sizes): Ditto.
10359 * combine.c (rest_of_handle_combine): Ditto.
10360 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10361 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10362 (rest_of_handle_reorder_blocks): Ditto.
10363 (rest_of_handle_partition_blocks): Ditto.
10364 * var-tracking.c (variable_tracking_main): Ditto.
10365 * tree-profile.c (tree_profiling): Ditto.
10366 * tree-vect-generic.c (expand_vector_operations): Ditto.
10367 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10368 * sched-rgn.c (rest_of_handle_sched): Ditto.
10369 (rest_of_handle_sched2): Ditto.
10370 * basic-block.h (free_bb_insn): Ditto.
10371 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10372 * tree-cfg.c (execute_build_cfg): Ditto.
10373 (remove_useless_stmts): Ditto.
10374 (split_critical_edges): Ditto.
10375 (execute_warn_function_return): Ditto.
10376 (execute_warn_function_noreturn): Ditto.
10377 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10378 * cfgrtl.c (free_bb_for_insn): Ditto.
10379 * passes.c (execute_one_pass): Run additional
10380 todos returned by execute function.
10381 * tree-pass.h (struct tree_opt_pass): Make execute
10384 2006-03-02 Richard Guenther <rguenther@suse.de>
10386 * tree-ssa-alias.c (find_used_portions): Consider taking
10387 the address as making the variable not write-only.
10389 2006-03-02 Nick Clifton <nickc@redhat.com>
10391 * config.gcc (default_use_cxa_atexit): Extend the description of
10392 this configure variable. Set its default value to "yes" for
10393 Linux, NetBSD and ELF targets on the assumption that they will
10394 use C libraries with the __cxa_atexit function.
10396 2006-03-02 Ben Elliston <bje@au.ibm.com>
10398 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10399 parameter as unused to suppress a build warning.
10401 2006-03-02 Ben Elliston <bje@au.ibm.com>
10403 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10406 2006-03-01 Roger Sayle <roger@eyesopen.com>
10409 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10410 declared name, the weak reference name, and the typeof name.
10411 (__gthrw): Avoid expanding the declared name suffix.
10412 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10414 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10416 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10418 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10419 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10420 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10421 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10422 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10423 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10424 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10425 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10426 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10427 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10428 (DW_END_default, DW_END_big, DW_END_little): New.
10429 (DW_END_lo_user, DW_END_hi_user): Define.
10430 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10431 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10432 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10435 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10437 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10439 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10441 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10443 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10445 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10446 to 'symbol_mem_tag'.
10448 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10451 2006-03-01 Roger Sayle <roger@eyesopen.com>
10453 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10455 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10458 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10459 MACHO_DYNAMIC_NO_PIC_P.
10460 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10462 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10465 * config/darwin-protos.h (darwin_asm_output_anchor):
10467 * config/darwin-sections.def (cstring_section):
10468 Add SECTION_MERGE to the flags.
10469 (literal4_section): Likewise.
10470 (literal8_section): Likewise.
10471 (objc_selector_refs_section): Likewise.
10472 (objc_cls_refs_section): Likewise.
10473 * config/darwin.c (darwin_asm_output_anchor): New
10475 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10477 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10479 Fix PR tree-optimization/26443
10480 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10481 to todo and PROP_tmt_usage to properties_destroyed.
10482 * tree-ssa-ccp.c (pass_ccp): Ditto.
10483 (pass_store_ccp): Ditto.
10484 * tree-ssa-dom.c (pass_dominator): Ditto.
10486 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10488 * tree-ssa-operands.c: Cleanup whitespace.
10489 (get_asm_expr_operands): Move before first invocation.
10490 (get_indirect_ref_operands): Likewise.
10491 (get_tmr_operands): Likewise.
10492 (get_call_expr_operands): Likewise.
10493 (append_def): Likewise.
10494 (append_use): Likewise.
10495 (append_v_may_def): Likewise.
10496 (append_v_must_def): Likewise.
10497 (add_call_clobber_ops): Likewise.
10498 (add_call_read_ops): Likewise.
10499 (add_stmt_operand): Likewise.
10500 (add_virtual_operand): Likewise.
10501 (build_ssa_operands): Likewise.
10503 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10505 PR middle-end/26022
10507 PR middle-end/24437
10508 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10509 with a call expr to ...
10510 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10512 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10514 * tree-vrp.c (extract_range_from_assert): Remove special
10515 handling for types with super-types.
10517 2006-03-01 Ben Elliston <bje@au.ibm.com>
10519 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10520 and powerpc64-*-linux* configurations.
10521 * config/t-dfprules: New file.
10523 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10524 Compile dfp-bit.c from the source directory using -DWIDTH and
10525 $DFP_CFLAGS to control the compilation of that file, rather than
10526 generating width-specific versions in the build directory.
10527 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10528 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10530 2006-02-28 Zack Weinberg <zackw@panix.com>
10532 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10535 2006-02-28 Eric Christopher <echristo@apple.com>
10537 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10538 Set up IN_LIBGCC definition of TARGET_64BIT.
10539 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10541 2006-02-28 Roger Sayle <roger@eyesopen.com>
10543 PR middle-end/14752
10544 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10545 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10546 cases via the construction of "expr != 0".
10548 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10550 * alias.c (alias_invariant, alias_invariant_size): Remove.
10551 (record_base_value): Remove.
10552 (memrefs_conflict_p): Don't look at alias_invariant.
10553 (end_alias_analysis): Don't free it.
10554 * alias.h (record_base_value): Remove prototype.
10556 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10557 Adam Nemet <anemet@caviumnetworks.com>
10559 * rtl.h (truncated_to_mode): Declare it.
10560 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10561 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10562 (RTL_HOOKS_INITIALIZER): Include it.
10563 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10564 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10565 reg_truncated_to_mode.
10566 * rtlanal.c (truncated_to_mode): Define it.
10567 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10569 2006-02-28 Jeff Law <law@redhat.com>
10571 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10572 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10573 the range allowed by TYPE_PRECISION.
10575 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10577 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10579 PR tree-optimization/26419
10580 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10583 2006-02-27 Zack Weinberg <zackw@panix.com>
10585 * doc/md.texi: Fix typo in previous change.
10587 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10591 2006-02-27 Zack Weinberg <zackw@panix.com>
10593 * rtl.def (define_constraint, define_register_constraint)
10594 (define_memory_constraint, define_address_constraint): New MD forms.
10595 * gensupport.c (process_rtx): Put define_constraint etc on the
10597 * genpreds.c (process_define_predicate): Adjust comment. Validate
10598 the name, and call validate_exp to validate the expression.
10599 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10600 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10601 all callers changed.
10602 (validate_exp, needs_variable, struct constraint_data)
10603 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10604 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10605 (const_dbl_constraints, constraint_max_namelen)
10606 (have_register_constraints, have_memory_constraints)
10607 (have_address_constraints, have_address_constraints)
10608 (have_extra_constraints, have_const_int_constraints)
10609 (have_const_dbl_constraints, mangle, add_constraint)
10610 (process_define_constraint, process_define_register_constraint)
10611 (write_enum_constraint_num, write_lookup_constraint)
10612 (write_insn_constraint_len, write_regclass_for_constraint)
10613 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10614 (write_insn_extra_memory_constraint)
10615 (write_insn_extra_address_constraint)
10616 (write_satisfies_constraint_fns): New.
10617 (write_tm_preds_h): If we have new-style constraint definitions,
10618 prototype the functions generated from them, and define the
10619 old constraint interface (still used by generic code) in terms of
10621 (write_insn_preds_c): If we have new-style constraint definitions,
10622 generate all relevant functions from those definitions.
10623 (main): Handle define_constraint etc.
10624 * genoutput.c (struct constraint_data, indep_constraints)
10625 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10626 (mdep_constraint_len): New data structures and functions, defined
10627 #ifdef USE_MD_CONSTRAINTS.
10628 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10629 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10630 use new logic to validate operand constraints against constraint
10632 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10634 * defaults.h: If none of the old-style constraint macros are
10635 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10636 old-style macros; and poison REG_CLASS_FROM_LETTER,
10637 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10639 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10640 * doc/md.texi: Document new constraint-definition mechanism and the
10641 C interface it provides. Remove references to old mechanism
10642 elsewhere in the document.
10643 (Machine Constraints): Use pathnames relative to gcc directory,
10644 i.e. config/ARCH/FILE. Change i386 section to refer to
10645 config/i386/predicates.md; update that section to match docstrings.
10646 * doc/tm.texi: Move all documentation of the old constraint-
10647 definition macros to their own section, clearly mark as obsolete.
10649 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10650 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10652 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10653 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10654 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10655 constraint strings.
10656 (splits and peepholes): Use satisfies_constraint_*.
10657 * config/i386/i386.c (memory_address_length)
10658 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10660 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10662 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10663 scalar operation to be put back into the loop.
10665 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10668 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10669 (extract_cie_info): Handle S flag in augmentation string.
10670 (execute_cfa_program): If context->signal_frame, execute also
10671 fs->pc == context->ra instructions.
10672 (uw_frame_state_for): If context->signal_frame, don't subtract one
10673 from context->ra to find FDE.
10674 (uw_update_context_1): Set context->signal_frame to
10676 (_Unwind_GetIPInfo): New function.
10677 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10678 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10680 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10681 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10682 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10683 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10684 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10685 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10686 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10687 x86_64_fallback_frame_state): Set fs->signal_frame.
10688 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10689 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10690 (frob_update_context): Likewise. Workaround missing S flag in
10691 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10692 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10693 Remove the psw_addr + 1 hack.
10695 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10697 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10698 with aggregates here.
10699 (find_func_aliases): Remove code for &<aggregate> from here.
10701 2006-02-26 Roger Sayle <roger@eyesopen.com>
10703 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10704 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10705 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10706 as (X & C) ne/eq 0.
10708 2006-02-26 Roger Sayle <roger@eyesopen.com>
10710 PR middle-end/19983
10711 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10713 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10715 * opts.c (decode_options): Do not handle flag_strength_reduce.
10716 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10717 and OPT_fstrength_reduce.
10718 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10719 flag_prefetch_loop_arrays for being nonzero.
10720 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10722 (fprefetch-loop-arrays-rtl): Removed.
10723 (flag_prefetch_loop_arrays): Do not specify the value.
10725 * doc/passes.texi: Update documentation of loop optimizer
10727 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10728 -frerun-loop-opt): Remove.
10730 2006-02-26 Richard Guenther <rguenther@suse.de>
10732 PR tree-optimization/26421
10733 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10734 in function calls that are ADDR_EXPRs as using the whole structure.
10736 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10738 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10739 * tree-pass.h (pass_loop_optimize): Remove.
10740 * passes.c (pass_loop_optimize): Never run it.
10741 * toplev.c (backend_init): Don't call init_loop.
10742 * opts.c (flag_loop_optimize_set): Remove.
10743 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10744 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10745 the old RTL loop optimizer when profiling enabled.
10746 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10747 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10748 pre-headers for the sake of the old RTL loop optimizer.
10749 * Makefile.in: Remove all references to loop.o.
10751 * doc/invoke.texi: Remove all references to -floop-optimize
10752 and -frerun-loop-opt.
10754 2006-02-26 Zack Weinberg <zackw@panix.com>
10756 * doc/md.texi (Machine Constraints): Refer to all files with paths
10757 relative to gcc directory (i.e. config/CPU/file). Add missing
10758 @table @code ... @end table to M32C subsection.
10760 2006-02-26 Roger Sayle <roger@eyesopen.com>
10762 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10764 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10766 2006-02-26 Roger Sayle <roger@eyesopen.com>
10767 James A. Morrison <phython@gcc.gnu.org>
10769 PR middle-end/21137
10770 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10771 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10772 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10773 signedness of the shift operation.
10775 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10777 PR tree-optimization/26359
10778 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10780 2006-02-25 Roger Sayle <roger@eyesopen.com>
10782 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10783 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10784 as X == 0, and some symmetry related transformations.
10785 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10787 2006-02-25 Roger Sayle <roger@eyesopen.com>
10789 PR middle-end/23673
10790 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10791 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10792 symmetry related transformations. Fold (X^C1) == C2 as
10795 2006-02-25 Juergen Weigert <jw@suse.de>
10796 Richard Guenther <rguenther@suse.de>
10798 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10800 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10802 * combine.c (gen_lowpart_or_truncate): Call
10803 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10805 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10807 * doc/invoke.texi: Move -fopenmp description to "Options for
10809 Remove reference to -lgomp.
10811 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10813 * doc/install.texi: Require GNU tar version 1.14.
10815 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10817 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10818 * doc/invoke.texi (C++ Dialect Options): Document
10819 -fno-use-cxa-get-exception-ptr.
10820 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10821 * configure: Regenerate.
10822 * c.opt (fuse-cxa-get-exception-ptr): New.
10823 * c-opts.c (c_common_handle_option): Handle
10824 OPT_fuse_cxa_get_exception_ptr.
10825 * c-common.c (flag_use_cxa_atexit): Update documentation.
10826 (flag_use_cxa_get_exception_ptr): New.
10827 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10828 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10830 (C_COMMON_OVERRIDE_OPTIONS): New.
10832 2006-02-24 Roger Sayle <roger@eyesopen.com>
10834 PR middle-end/24952
10835 * combine.c (try_combine): Explicitly check whether GET_CODE is
10836 a SET or a CLOBBER, instead on checking that it isn't a USE.
10838 2006-02-24 Roger Sayle <roger@eyesopen.com>
10840 * fold-const.c (fold_comparison): New subroutine of fold_binary
10841 containing transformations common to both the equality and
10842 ordering relational operators, factored out of fold_binary.
10843 (fold_binary): Separate out the equality operators (EQ_EXPR
10844 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10845 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10846 transformations common to both.
10847 (fold_div_compare): Fix latent bugs in the previously unreachable
10848 LT_EXPR and GE_EXPR cases.
10850 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10852 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10853 decl libname for clog to __clog on AIX.
10855 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10857 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10860 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10861 output traceback table for thunks. Localise rs6000_stack_info call.
10863 2006-02-23 Roger Sayle <roger@eyesopen.com>
10864 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10866 * gthr-posix.h (__gthrw): Fix typo in comment.
10868 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10870 * doc/cpp.texi (Character sets): Document that we do support
10871 input files to be in any character set.
10873 2006-02-23 Jeff Law <law@redhat.com>
10875 * tree.h (PHI_ARG_NONZERO): Remove.
10876 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10877 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10878 node to the new node.
10880 PR tree-optimization/26425
10881 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10882 min/max, then assume its varying.
10884 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10886 PR rtl-optimization/26316
10887 * rtlanal.c (enum may_trap_p_flags): New.
10888 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10889 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10890 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10891 (may_trap_after_code_motion_p): New function.
10892 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10893 (find_invariant_insn): Use may_trap_after_code_motion_p.
10894 * rtl.h (may_trap_after_code_motion_p): Declare.
10896 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10898 * emit-rtl.c (immed_double_const): Cleanup.
10900 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10902 Fix PR tree-optimization/26376
10903 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10906 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10908 PR middle-end/26412
10909 * gimplify.c (omp_add_variable): Guard variable size decl test with
10910 DECL_SIZE (decl) check.
10912 2006-02-23 Richard Guenther <rguenther@suse.de>
10914 PR middle-end/26439
10915 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10916 like aggregate types.
10918 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10920 * configure.ac: Add --with{,out}-long-double-128 configure option.
10921 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10922 * configure: Rebuilt.
10923 * config.in: Rebuilt.
10924 * doc/install.texi (Options specification): Document
10925 --with-long-double-128.
10927 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10928 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10929 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10930 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10932 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10934 * config/s390/s390.c (override_options): Handle
10935 TARGET_DEFAULT_LONG_DOUBLE_128.
10937 * config/alpha/alpha.c (override_options): Handle
10938 TARGET_DEFAULT_LONG_DOUBLE_128.
10940 * config/sparc/sparc.c (sparc_override_options): Handle
10941 TARGET_DEFAULT_LONG_DOUBLE_128.
10943 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10945 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10946 (real-install-headers-tar, real-install-headers-cpio)
10947 (real-install-headers-cp): New targets.
10949 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10951 * tree.h (variable_section): Delete.
10952 * varasm.c (variable_section): Delete.
10954 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10956 * install.texi: Add notes on install.texi2html.
10957 (Building in parallel): Do not use footnotes.
10959 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10962 * doc/install.texi (Configuration): Document --disable-libgomp.
10964 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10966 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10968 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10970 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10971 (vec_extractv2df_0_sse): New.
10973 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10975 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10976 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10977 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10978 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10979 to the result of the expression.
10980 (def_cfa_1): Adjust.
10981 (frame_pointer_cfa_offset): Rename to...
10982 (frame_pointer_fb_offset): ... this. Adjust all uses.
10983 (convert_cfa_to_loc_list): Rename to...
10984 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10985 Pass it on to build_cfa_loc.
10986 (compute_frame_pointer_to_cfa_displacement): Rename to...
10987 (compute_frame_pointer_to_fb_displacement): ... this. New
10988 offset parameter. Use it in computation.
10989 (gen_subprogram_die): Compute cfa_fb_offset with the new
10990 macro, and use it to compute the fb loc list and the
10993 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10995 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10996 replaced with register_operand.
10997 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10998 non-DREG is expensive.
10999 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11000 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11003 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11005 * doc/install.texi2html: Use set -e.
11007 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11009 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11010 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11011 * doc/invoke.texi (-fshared-data): Delete.
11012 * common.opt (fshared-data): Delete.
11013 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11014 (assemble_static_space): Remove #if 0 code.
11015 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11016 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11017 * config/cris/cris.h: Remove FIXME.
11019 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11021 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11024 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11026 PR middle-end/26379
11027 * combine.c (simplify_shift_const_1): Disable nested shifts
11028 optimization for vector shifts.
11030 2006-02-20 Roger Sayle <roger@eyesopen.com>
11032 PR tree-optimization/26361
11033 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11034 of unsigned integer types.
11036 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11038 * tree-chrec.c (eq_evolutions_p): New.
11039 * tree-chrec.h (eq_evolutions_p): Declared.
11040 * tree-data-ref.c: Fix formatting.
11041 (datadep_stats, dependence_stats): New.
11043 (print_direction_vector): New.
11044 (dump_data_dependence_relation): Use print_direction_vector.
11045 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11046 (compute_subscript_distance): Static.
11047 (initialize_data_dependence_relation): Static. Get the number
11048 of loops surrounding the references from the callers, and initialize
11049 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11050 base_object_differ_p analyzers.
11051 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11052 compute_overlap_steps_for_affine_1_2,
11053 analyze_subscript_affine_affine): Count the classified dependences.
11054 Print a message when a test failed.
11055 (can_use_analyze_subscript_affine_affine): New.
11056 (analyze_siv_subscript): Compute the data dependences on symbolic
11057 scevs that verify can_use_analyze_subscript_affine_affine.
11058 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11059 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11060 Handle symbolic scevs.
11061 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11063 (subscript_dependence_tester): Moved...
11064 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11065 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11066 DDR_SIZE_VECT instead of getting it in parameter.
11067 (subscript_dependence_tester): ... here. Take as a parameter
11068 loop_nest_depth. Call build_classic_dist_vector and
11069 build_classic_dir_vector.
11070 (compute_affine_dependence): Update subscript_dependence_tester
11071 parameters. Update datadep_stats counters. Call
11072 compute_subscript_distance.
11073 (compute_self_dependence): Save the dist and dir vectors. Call
11074 compute_subscript_distance.
11075 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11076 (compute_all_dependences): Reorder parameters as they were before
11077 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11078 compute_subscript_distance. Update the use of
11079 compute_affine_dependence and initialize_data_dependence_relation.
11080 (find_data_references_in_loop): Handle COMPONENT_REF.
11081 (compute_data_dependences_for_loop): Initialize dependence_stats.
11082 Don't call build_classic_dist_vector and build_classic_dir_vector.
11083 Update the parameters of initialize_data_dependence_relation and
11084 compute_all_dependences. Print the statistics from datadep_stats.
11085 (analyze_all_data_dependences): Static. Not used until the pass for
11086 checking the data dependences is contributed.
11087 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11088 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11089 (initialize_data_dependence_relation, compute_affine_dependence,
11090 analyze_all_data_dependences, compute_subscript_distance): Removed.
11091 (print_direction_vector): New.
11092 * lambda.h (gcd): ... here.
11093 (lambda_vector_gcd): Moved here from gcd_vector.
11094 * lambda-code.c (gcd, gcd_vector): Removed.
11095 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11096 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11098 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11100 * ipa-type-escape.c: Tidy some comments and white space.
11101 * tree-ssa-operands.c: Likewise.
11103 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11106 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11107 (dump_decl_name): Do not walk the decl tree chains.
11108 * tree-pass.h (TDF_CHAIN): Remove.
11110 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11112 * Makefile.in (C): Remove
11114 (.PHONY): Remove C and PROTO
11116 2006-02-20 Roger Sayle <roger@eyesopen.com>
11118 PR middle-end/26236
11119 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11120 deprecated CHAR_TYPE tree code.
11122 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11124 * configure.ac (target_list): Add install-info, dvi, html.
11125 * configure: Regenerate.
11127 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11128 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11129 treelang/Make-lang.in: Do not use double-colon rules.
11131 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11133 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11134 (TMT_USED_ALONE): New macro.
11135 * tree-pass.h (PROP_tmt_usage): New property.
11136 (TODO_update_tmt_usage): New todo.
11137 * tree-ssa-alias.c (updating_used_alone): New variable.
11138 (recalculate_used_alone): New function.
11139 (compute_may_aliases): Set updating_used_alone, call
11140 recalculate_used_alone.
11141 * tree-sra.c (pass_sra): Note that this pass destroys
11142 PROP_tmt_usage, and add TODO_update_tmt_usage.
11143 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11144 * tree-flow.h (updating_used_alone): Prototype.
11145 (recalculate_used_alone): Ditto.
11146 * passes.c (execute_todo): Add code to set updating_used_alone,
11147 and call recalculate.
11148 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11149 for clobber if used alone, and add assert to verify used_alone
11152 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11154 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11155 for non tls symbols added.
11156 (legitimize_address): Do nothing for PLUS expressions if one of the
11157 addends is a tls symbol reference.
11159 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11163 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11165 * Makefile.in (BOOTSTRAPPING): New.
11166 (quickstrap): New definition if BOOTSTRAPPING=yes.
11168 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11169 * configure.ac: Substitute all_selected_languages with the languages
11170 that were configured. For all the other variables except
11171 lang_specs_files, include all the languages in the tree.
11172 * configure: Regenerate.
11174 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11175 if there is one. Run the commands to run fixincludes in the same
11178 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11179 * doc/install.texi: Document exact conventions for searching target tools.
11180 Document --with-build-time-tools. Document toplevel bootstrap. Document
11181 something more about building an Ada cross-compiler. Don't list GNU Make
11182 requirements which affect all platforms.
11184 2006-02-19 Roger Sayle <roger@eyesopen.com>
11186 PR middle-end/19543
11187 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11188 only equivalent if the have both the same mode and precision.
11190 2006-02-20 Ben Elliston <bje@au.ibm.com>
11192 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11194 2006-02-19 Roger Sayle <roger@eyesopen.com>
11195 Steven Bosscher <stevenb.gcc@gmail.com>
11197 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11198 constant pool references to identify stack mode constants.
11199 * rtlanal.c (constant_pool_constant_p): New predicate to check
11200 whether operand is a floating point constant in the pool.
11201 * rtl.h (constant_pool_constant_p): Prototype here.
11202 * loop.c (scan_loop): Avoid hoisting constants from the constant
11203 pool on STACK_REGS targets.
11204 (load_mems): Likewise.
11205 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11206 loads into x87 registers expensive in terms of register pressure.
11208 2006-02-19 Roger Sayle <roger@eyesopen.com>
11210 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11211 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11213 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11215 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11216 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11218 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11220 * doc/invoke.texi: Document -fipa-pta.
11221 * common.opt: Add ipa-pta option.
11222 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11223 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11224 (do_ds_constraint): Ditto.
11225 (get_constraint_for): Only add to referenced_vars if
11226 referenced_vars exists.
11227 (insert_into_field_list): Rewrite to do this unsorted.
11228 (insert_into_field_list_sorted): Rename old insert_into_field_list
11230 (create_function_info_for): Use insert_into_field_list_sorted.
11231 (create_variable_info_for): Rewrite so it uses unsorted version,
11232 since the field list is sorted.
11233 (intra_create_variable_infos): Only add to referenced_vars if
11234 referenced_vars exists.
11235 (ipa_pta_execute): Init heapvars, and delete when done.
11236 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11238 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11240 * doc/install.texi: Add missing `@samp'.
11242 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11244 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11247 2006-02-18 Mark Wielaard <mark@klomp.org>
11249 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11250 who added new 4.1 features, bug fixes and integration support.
11252 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11255 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11256 MEM for ABI_V4 pic.
11258 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11260 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11261 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11262 (copy_insn_1): Likewise. Don't copy each field individually.
11264 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11266 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11267 * rtl.c (rtx_size): Rename variable to...
11268 (rtx_code_size): ...this.
11269 (rtx_size): New function.
11270 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11271 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11273 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11274 * rtl.h (rtx_code_size): New variable.
11275 (rtx_size): Change from a variable to a function.
11276 (RTX_SIZE): Rename to...
11277 (RTX_CODE_SIZE): ...this.
11280 PR tree-optimization/17106
11281 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11282 (Anchored Addresses): New section.
11283 * doc/invoke.texi (-fsection-anchors): Document.
11284 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11285 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11286 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11287 * hooks.c (hook_bool_mode_rtx_false): New function.
11288 * hooks.h (hook_bool_mode_rtx_false): Declare.
11289 * gengtype.c (create_optional_field): New function.
11290 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11291 SYMBOL_REF_IN_BLOCK_P is true.
11292 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11293 (min_anchor_offset, max_anchor_offset): Likewise.
11294 (use_anchors_for_symbol_p): New hook.
11295 * toplev.c (compile_file): Call output_object_blocks.
11296 (target_supports_section_anchors_p): New function.
11297 (process_options): Check that -fsection-anchors is only used on
11298 targets that support it and when -funit-at-a-time is in effect.
11299 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11300 if the decl doesn't have one.
11301 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11302 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11303 of force_const_mem through use_anchored_address.
11304 (expand_expr_constant): New function.
11305 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11306 calling expand_expr for INDIRECT_REF.
11307 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11308 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11309 * expr.h (use_anchored_address): Declare.
11310 * loop-unroll.c: Don't declare rtx vectors here.
11311 * explow.c: Include output.h.
11312 (validize_mem): Call use_anchored_address.
11313 (use_anchored_address): New function.
11314 * common.opt (-fsection-anchors): New switch.
11315 * varasm.c (object_block_htab, anchor_labelno): New variables.
11316 (hash_section, object_block_entry_eq, object_block_entry_hash)
11317 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11318 (use_blocks_for_decl_p, change_symbol_section): New functions.
11319 (get_variable_section): New function, split out from assemble_variable.
11320 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11321 use_blocks_for_decl_p say so. Use change_symbol_section if the
11322 symbol has already been created.
11323 (assemble_variable_contents): New function, split out from...
11324 (assemble_variable): ...here. Don't output any code for
11325 block symbols; just pass them to place_block_symbol.
11326 Use get_variable_section and assemble_variable_contents.
11327 (get_constant_alignment, get_constant_section, get_constant_size): New
11328 functions, split from output_constant_def_contents.
11329 (build_constant_desc): Create a block symbol if use_object_blocks_p
11330 says so. Or into SYMBOL_REF_FLAGS.
11331 (assemble_constant_contents): New function, split from...
11332 (output_constant_def_contents): ...here. Don't output any code
11333 for block symbols; just pass them to place_section_symbol.
11334 Use get_constant_section and get_constant_alignment.
11335 (force_const_mem): Create a block symbol if use_object_blocks_p and
11336 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11337 (output_constant_pool_1): Add an explicit alignment argument.
11338 Don't switch sections here.
11339 (output_constant_pool): Adjust call to output_constant_pool_1.
11340 Switch sections here instead. Don't output anything for block symbols;
11341 just pass them to place_block_symbol.
11342 (init_varasm_once): Initialize object_block_htab.
11343 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11344 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11345 (place_block_symbol, get_section_anchor, output_object_block)
11346 (output_object_block_htab, output_object_blocks): New functions.
11347 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11348 (TARGET_ASM_OUT): Include it.
11349 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11350 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11351 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11352 (TARGET_INITIALIZER): Include them.
11353 * rtl.c (rtl_check_failed_block_symbol): New function.
11354 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11355 (block_symbol, object_block): New structures.
11356 (rtx_def): Add a block_symbol field to the union.
11357 (BLOCK_SYMBOL_CHECK): New macro.
11358 (rtl_check_failed_block_symbol): Declare.
11359 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11360 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11361 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11362 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11363 * output.h (output_section_symbols): Declare.
11364 (object_block): Name structure.
11365 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11366 (default_use_anchors_for_symbol_p): Declare.
11367 * Makefile.in (RTL_BASE_H): Add vec.h.
11368 (explow.o): Depend on output.h.
11369 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11370 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11371 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11372 (rs6000_use_blocks_for_constant_p): New function.
11374 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11376 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11378 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11381 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11384 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11386 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11390 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11392 PR middle-end/26334
11393 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11394 instead of DECL_REGISTER.
11396 2006-02-18 Olivier Hainque <hainque@adacore.com>
11399 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11401 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11404 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11405 * opth-gen.awk: Handle Var and InverseMask together.
11406 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11407 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11408 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11409 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11411 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11412 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11413 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11414 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11415 LINUX_DYNAMIC_LINKER): Define.
11416 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11417 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11419 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11420 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11421 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11422 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11423 (TARGET_C99_FUNCTIONS): Don't define.
11424 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11425 GLIBC_DYNAMIC_LINKER.
11426 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11427 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11428 GLIBC_DYNAMIC_LINKER64): Define.
11429 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11430 LINUX_DYNAMIC_LINKER64.
11431 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11432 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11433 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11434 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11435 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11436 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11437 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11438 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11439 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11440 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11441 and LINUX_DYNAMIC_LINKER32.
11442 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11443 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11444 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11445 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11446 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11448 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11449 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11450 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11451 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11452 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11453 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11454 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11455 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11456 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11457 LINUX_DYNAMIC_LINKER): Define.
11458 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11459 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11460 GLIBC_DYNAMIC_LINKER64): Define.
11461 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11462 LINUX_DYNAMIC_LINKER64.
11463 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11464 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11465 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11466 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11467 LINUX_DYNAMIC_LINKER): Define.
11468 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11469 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11470 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11471 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11472 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11473 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11474 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11475 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11476 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11477 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11478 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11479 * doc/invoke.texi (-muclibc): Remove caveat about supported
11482 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11484 * doc/cpp.texi (__TIMESTAMP__): Document.
11486 2006-02-17 Roger Sayle <roger@eyesopen.com>
11488 PR middle-end/25600
11489 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11490 C is one less than the width of X (and related transformations).
11491 * simplify-rtx.c (simplify_unary_operation_1): Transform
11492 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11493 depending on STORE_FLAG_VALUE, were C is one less then the
11496 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11498 Fix PR tree-optimization/26341
11499 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11500 about NAME_MEMORY_TAG's.
11502 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11505 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11506 with hardware float support, and software float support. Add fcpy
11507 alternative to hardware patterns. Add alternatives to copy between
11508 general and floating-point registers to the 32-bit pattern.
11509 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11510 secondary reload to load a QI or HI mode constant into a floating
11512 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11513 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11515 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11518 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11520 (load_macho_picbase_di): Likewise.
11522 2006-02-16 Jeff Law <law@redhat.com>
11524 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11525 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11526 (ssa_name_nonzero_p): Likewise.
11527 (get_value_range): Return NULL if VRP is not running.
11528 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11529 VRP routines do not discover a range.
11530 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11531 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11532 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11533 (tree_expr_nonnegative_p): Similarly.
11534 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11535 (restore_nonzero_vars_to_original_value): Remove.
11536 (unsafe_associative_fp_binop): Remove.
11537 (tree_ssa_dominator_optimize): Remove initialization and
11538 finalization of nonzero_vars and nonzero_vars_stack.
11539 (dom_opt_initialize_block): No longer push marker on
11540 nonzero_vars_stack.
11541 (dom_opt_finalize_block): No longer call
11542 restore_nonzero_vars_to_original_value.
11543 (record_equivalences_from_phis): No longer look for
11544 nonzero PHI arguments.
11545 (cprop_into_successor_phis): No longer propagate nonzero
11546 property into PHI arguments. Lose unused argument. Caller
11548 (record_equivalences_from_stmt): No longer record nonzero
11549 values for SSA_NAMEs.
11550 (lookup_avail_expr): No longer use nonzero_vars.
11552 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11553 for sizetype when sizetype is unsigned.
11555 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11557 PR rtl-optimization/25603
11558 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11559 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11560 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11561 with new meaning of SETS.
11563 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11568 * config/linux.opt: New file.
11569 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11570 LINUX_DYNAMIC_LINKER): Define.
11571 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11572 * config.gcc (*-*-linux*): Define extra_options.
11573 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11574 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11575 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11576 GLIBC_DYNAMIC_LINKER.
11577 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11578 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11579 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11580 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11581 * doc/invoke.texi (GNU/Linux Options): New section.
11583 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11585 * config/sparc/sparc.md (setjmp): Rewrite.
11586 (setjmp_32): Delete.
11587 (setjmp_64): Likewise.
11589 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11591 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11594 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11596 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11599 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11601 PR rtl-optimization/26296
11602 * Makefile.in (loop-invariant.c): Add except.h dependency.
11603 * loop-invariant.c: Include except.h.
11604 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11606 2005-02-16 Paul Brook <paul@codesourcery.com>
11608 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11611 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11613 PR rtl-optimization/25636
11614 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11615 when deciding whether an insn is an initializing insn.
11617 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11619 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11620 (tree_code_size): Ditto.
11621 * tree.h (struct tree_memory_tag): Remove parent_var.
11622 (struct tree_struct_field_tag): New.
11625 (union tree_node): Add sft member.
11626 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11628 (create_sft): Add size and offset argument, set SFT_OFFSET and
11630 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11631 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11632 * tree-flow-inline.h (get_subvar_at): Update for
11633 SFT_OFFSET/SFT_SIZE.
11634 (var_can_have_subvars): Ditto.
11635 (overlap_subvar): Ditto.
11636 * print-tree.c (print_node): Print out interesting things for
11638 * tree-flow.h (struct subvar): Remove offset and size members.
11639 * tree-ssa-operands.c (get_expr_operands): Update for
11640 get_indirect_ref_operands changes.
11641 (get_indirect_ref_operands): Call add_virtual_operand instead of
11642 add_stmt_operand. Only recurse on base var if requested.
11643 (access_can_touch_variable): New function.
11644 (add_stmt_operand): Split virtual operand handling into ...
11645 (add_virtual_operand): Here. Add offset, size, and for_clobber
11646 arguments. Prune alias sets.
11647 (add_call_clobber_ops): Call add_virtual_operand.
11649 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11651 PR middle-end/26300
11652 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11654 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11655 than TREE_CODE as index into omp_clause_num_ops array.
11657 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11659 PR rtl-optimization/26184
11660 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11662 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11663 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11664 must_precede, must_follow and tobe_scheduled.
11667 * opts.c (common_handle_option): Free new_option pointer.
11668 * df-core.c (df_analyze): Free postorder pointer.
11670 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11672 * Makefile.in: Fix the examples about the use of stamps
11674 2006-02-15 Michael Matz <matz@suse.de>
11676 PR middle-end/22275
11678 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11679 influenced by maximum_field_alignment or DECL_PACKED.
11680 (update_alignment_for_field): Ditto.
11681 (place_field): Ditto.
11682 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11685 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11687 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11688 (debug_flow_info): Pass it.
11689 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11690 * bb-reorder.c (reorder_basic_blocks): Likewise.
11691 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11692 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11693 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11694 * gcse.c (gcse_main, bypass_jumps): Likewise.
11695 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11696 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11697 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11698 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11699 * rtl.h (dump_flow_info): Adjust prototype.
11700 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11701 * var-tracking.c (variable_tracking_main): Likewise.
11702 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11703 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11706 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11708 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11711 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11713 PR tree-optimization/26209
11714 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11715 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11717 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11719 2006-02-14 Roger Sayle <roger@eyesopen.com>
11721 PR middle-end/23670
11722 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11723 (X,Y) and the corresponding symmetry related transformations.
11724 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11725 (X,Y) and its symmetry related transformations.
11727 2006-02-14 Roger Sayle <roger@eyesopen.com>
11729 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11732 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11734 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11736 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11739 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11740 support COMDAT group.
11741 * configure: Regenerate.
11743 2006-02-14 Roger Sayle <roger@eyesopen.com>
11745 PR middle-end/26279
11746 PR middle-end/26280
11747 PR middle-end/26283
11748 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11750 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11752 Fix PR tree-optimization/26260
11754 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11756 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11757 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11758 * tree-ssa-structalias.c (create_variable_info_for): Use
11759 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11761 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11763 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11765 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11766 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11767 of the ending condition.
11768 * tree-ssa-loop-manip.c: Include params.h.
11769 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11770 tree_unroll_loop): New functions.
11771 * tree-pass.h (pass_loop_prefetch): Declare.
11772 * loop.c (rest_of_handle_loop_optimize): Test for
11773 -fprefetch-loop-arrays-rtl.
11774 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11775 * timevar.def (TV_TREE_PREFETCH): New timevar.
11776 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11777 pass_loop_prefetch): New.
11778 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11779 (cleanup_tree_cfg_loop): Call scev_reset.
11780 * common.opt (fprefetch-loop-arrays-rtl): Add.
11781 * tree-ssa-loop-prefetch.c: New file.
11782 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11783 (new_temp_expr_table): Initialize expr_vars.
11784 (free_temp_expr_table): Cleanup expr_vars.
11785 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11786 expressions from being merged into one.
11787 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11788 (struct tree_niter_desc): Add control, bound and cmp fields.
11789 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11791 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11792 (tree-cfgcleanup.o): Add SCEV_H dependency.
11793 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11794 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11796 2006-02-14 Richard Guenther <rguenther@suse.de>
11798 PR tree-optimization/26258
11799 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11800 in PHI argument processing.
11802 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11804 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11805 new expression in the requested machine mode.
11807 2006-02-13 Roger Sayle <roger@eyesopen.com>
11809 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11810 directly, instead let do_compare_rtx_and_jump handle this for us.
11811 * expr.c (expand_expr_real_1): Likewise.
11812 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11813 before do_jump_by_parts_greater.
11814 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11815 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11817 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11819 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11821 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11823 PR rtl-optimization/26235
11824 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11825 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11828 2006-02-13 Jeff Law <law@redhat.com>
11830 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11833 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11835 PR middle-end/26092
11836 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11837 twice if decl is a builtin. When trying again, call get_callee_fndecl
11838 first to verify it is still a builtin.
11840 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11842 * dwarf2out.c (base_type_die): Don't add AT_name here.
11843 (subrange_type_die): Don't add AT_name here.
11844 (modified_type_die): Rearrange code flow. Do add AT_name here.
11846 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11848 PR rtl-optimization/26247
11849 PR rtl-optimization/26248
11850 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11852 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11854 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11855 * config/fixtfdi.c: Likewise.
11856 * config/fixunstfdi.c: Likewise.
11857 * config/floatditf.c: Likewise.
11859 2006-02-13 Roger Sayle <roger@eyesopen.com>
11861 PR middle-end/24427
11862 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11863 into (X,C2) if C1 is a subset of the bits of C2. Transform
11864 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11866 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11868 2006-02-13 Josh Conner <jconner@apple.com>
11871 * varasm.c (function_section): Check for section name before
11872 calling select_section on targets that define
11873 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11874 unlikely_text_section instead of hot_function_section if
11875 first_function_block_is_cold.
11877 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11879 PR middle-end/25335
11880 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11882 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11884 PR rtl-optimization/26222
11885 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11886 after tree->rtl expansion.
11887 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11888 before passing it to emit_move_insn.
11890 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11892 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11894 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11895 Clarify documentation.
11896 * c-common.h (warn_write_strings): Remove.
11897 * c-common.c (warn_write_strings): Likewise.
11898 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11901 2006-02-12 Roger Sayle <roger@eyesopen.com>
11903 PR middle-end/25724
11904 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11905 (do_jump_parts_zero_rtx): New function renamed from
11906 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11907 (do_jump_parts_equality_rtx): New function split out from
11908 do_jump_parts_equality. Old implementation renamed as above.
11909 Call do_jump_parts_zero_rtx if either operand is zero.
11910 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11911 do all of the heavy lifting.
11912 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11913 calling either do_jump_by_parts_greater_rtx or
11914 do_jump_by_parts_equality_rtx.
11915 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11916 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11917 moved to do_compare_rtx_and_jump, call it directly.
11918 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11919 mode argument. Call do_compare_rtx_and_jump.
11920 (emit_case_nodes): Update calls to do_jump_if_equal.
11922 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11924 PR rtl-optimization/26225
11925 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11927 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11929 PR rtl-optimization/26232
11930 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11932 2006-02-11 Jason Merrill <jason@redhat.com>
11935 * tree-inline.c (declare_return_variable): Just don't use the
11936 modify target if it's a gimple complex reg and the return slot
11939 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11941 * doc/contrib.texi: Update my entry.
11943 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11945 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11947 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11949 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11952 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11954 * doc/invoke.texi (-floop-optimize2): Removed.
11955 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11956 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11957 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11958 * common.opt (floop-optimize2): Removed.
11959 (fmove-loop-invariants): Enabled by default.
11961 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11963 * tree-if-conv.c (combine_blocks): Free the result of
11964 get_loop_exit_edges.
11966 2006-02-10 Jeff Law <law@redhat.com>
11968 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11970 PR tree-optimization/26213
11971 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11972 loop trying to follow SSA_NAME_VALUE chains.
11974 2006-02-10 Richard Guenther <rguenther@suse.de>
11976 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11977 deal with structures that end in implicitly variable sized arrays.
11979 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11981 PR rtl-optimization/24762
11982 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11985 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11987 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11988 (struct ivopts_data): Add regs_used field.
11989 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11990 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11991 instead of loop_data->regs_used;
11992 (free_loop_data): Do not free aux fields for loops.
11993 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11994 and tree_ssa_iv_optimize_finalize.
11996 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11998 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12000 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12003 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12004 computing the effective result type.
12006 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12008 PR inline-asm/16194
12009 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12010 (tree_overlaps_hard_reg_set): Declare.
12011 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12012 type and signature to match function type expected by walk_tree.
12013 (tree_overlaps_hard_reg_set): New function.
12014 (decl_conflicts_with_clobbers_p): Rename to:
12015 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12016 Use tree_overlaps_hard_reg_set. Changed caller.
12017 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12018 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12019 * cris.c (cris_md_asm_clobbers): Likewise.
12021 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12023 * reload1.c (emit_input_reload_insns): Delete code that tries to
12024 inherit using find_equiv_reg.
12026 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12028 * c-common.h (flag_const_strings): Don't declare.
12029 * c-common.c (flag_const_strings): Remove.
12030 * c.opt (fconst_strings): Remove.
12031 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12032 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12033 (c_common_init_options): Don't set flag_const_strings.
12034 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12036 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12038 * arm.md (tlobits_cbranch): New pattern.
12039 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12040 testing a single bit.
12042 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12045 * tree-ssa-pre.c (create_component_ref_by_pieces):
12046 Handle RETURN_DECL like VAR_DECL.
12048 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12050 PR middle-end/26134
12051 * fold-const.c (fold_indirect_ref_1): Fold
12052 "*(foo *)&complexfoo" to "__real__ complexfoo"
12053 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12055 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12057 * tree-flow-inline.h (var_can_have_subvars):
12058 Volatile variables should not have subvariables.
12060 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12063 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12064 multiplying unsigned values.
12067 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12069 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12071 2006-02-08 Jason Merrill <jason@redhat.com>
12074 * tree.def: Elaborate on difference from MODIFY_EXPR.
12075 * doc/c-tree.texi (INIT_EXPR): Likewise.
12076 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12077 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12078 (gimplify_target_expr): Likewise.
12079 (gimplify_cond_expr): Remove target handling.
12080 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12081 (gimplify_expr): Clobber it here.
12082 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12083 Do return slot optimization if we have an INIT_EXPR.
12086 * tree-inline.c (declare_return_variable): Also clear
12087 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12090 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12092 PR middle-end/22439
12093 * gimplify.c (gimplify_one_sizepos): Fix typo.
12095 2006-02-08 Jeff Law <law@redhat.com>
12097 PR tree-optimization/21417
12098 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12099 across a backedge if the control statement at the end of the
12100 block is data dependent on other statements in the same block.
12101 (record_temporary_equivalences_from_stmts): Remove over-conservative
12102 test for threading across backedges.
12104 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12105 control statement, handle all three special cases in the same
12106 manner as they all have the same desired solution. No longer
12107 special case edge flag updating when the post dominator is
12110 2006-02-08 Roger Sayle <roger@eyesopen.com>
12112 * tree.def (CHAR_TYPE): Remove.
12113 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12114 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12115 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12116 (gen_string_type_die): Delete unreachable function.
12118 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12119 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12120 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12121 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12122 * builtins.c (type_to_class): Likewise.
12123 * fold-const.c (fold_convert, build_range_check,
12124 merge_ranges): Likewise.
12125 * expr.c (count_type_elements): Likewise.
12126 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12127 * stor-layout.c (layout_type): Likewise.
12128 * ipa-type-escape.c (type_to_consider): Likewise.
12129 * gimplify.c (omp_firstprivatize_type_sizes,
12130 gimplify_type_sizes): Likewise.
12131 * explow.c (promote_mode): Likewise.
12132 * tree-sra.c (is_sra_scalar_type): Likewise.
12133 * varasm.c (output_constant): Likewise.
12134 * tree-inline.c (remap_type_1): Likewise.
12135 * convert.c (convert_to_pointer, convert_to_real,
12136 convert_to_integer, convert_to_complex): Likewise.
12138 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12140 * df-scan.c (df_def_record_1): A set destination may
12141 be a parallel regardless of mode.
12143 2006-02-08 Roger Sayle <roger@eyesopen.com>
12146 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12147 * config/mips/_tilib.c: Remove.
12148 * config/fixtfdi.c: New libgcc source file.
12149 * config/fixunstfdi.c: New source file.
12150 * config/floatditf.c: New source file.
12151 * config/floatunditf.c: New souce file.
12152 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12153 files above instead of config/mips/_tilib.c.
12154 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12156 2006-02-08 Jeff Law <law@redhat.com>
12158 PR tree-optimization/26169
12159 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12162 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12164 * df.h (DF_REG_SIZE): Return the length of the initialized
12167 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12169 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12170 __muldf3): Return a correctly signed zero.
12172 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12174 * passes.c (register_one_dump_file): Accept the current properties
12175 instead of pass number. Adjust call to dump_register. Remove
12177 (register_dump_files): Now a wrapper around...
12178 (register_dump_files_1): ... this one. Do not modify the pass
12180 (next_pass_1): Cosmetic fix.
12181 (execute_todo): Keep second parameter only. Use curr_properties
12182 instead of fetching it from the pass structure. Check and set
12184 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12185 instead of fetching it from the pass structure. Fix calls to
12186 execute_todo. Update curr_properties and initialize .vcg RTL dump
12187 after running the pass. Reset last_verified.
12188 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12190 (FIRST_AUTO_NUMBERED_DUMP): New.
12191 (dump_register): Remove "num" parameter, assign it within the
12193 (get_dump_file_name): Modify template for dumps.
12194 * tree-dump.h (dump_register): Adjust prototype.
12195 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12196 (PROP_trees): Add PROP_gimple_lomp.
12197 (TODO_set_props): New.
12198 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12199 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12200 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12202 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12204 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12205 (sparc64-*-linux*): Likewise.
12206 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12207 * config/sparc/t-linux: New file.
12208 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12209 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12210 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12211 -m32 -mlong-double-128.
12213 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12214 * config/alpha/t-linux: New file.
12215 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12217 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12218 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12219 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12220 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12221 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12222 (CPP_ARCH32_SPEC): Remove.
12224 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12226 PR tree-optimization/26145
12227 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12230 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12233 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12234 >= 240000 when generating code for SOM runtime.
12235 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12236 to $$dyncall when generating code for SOM runtime..
12238 2006-02-07 Dirk Mueller <dmueller@suse.com>
12241 * doc/invoke.texi (-Wsequence-point): Update documentation
12242 that -Wsequence-point is implemented for C++ as well.
12244 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12246 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12247 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12248 (LIB_SPEC): Likewise.
12249 * doc/invoke.texi (SPARC options): Document -pthread.
12251 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12253 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12256 2006-02-07 Roger Sayle <roger@eyesopen.com>
12258 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12259 Correct comment describing BOOLEAN_TYPE.
12261 2006-02-07 Dirk Mueller <dmueller@suse.com>
12263 * c.opt: C++ frontend supports -Wdiv-by-zero.
12264 * c-opts.c (c_common_handle_option): Remove dead case.
12266 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12268 * configure.ac (TLS assembler check): Do not enable TLS by
12269 default on SPARC/Solaris before version 10.
12270 * configure: Regenerate.
12272 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12274 * doc/invoke.texi (xl-compat): Document conversion and support
12277 2006-02-07 Jeff Law <law@redhat.com>
12279 * tree-vrp.c (find_conditional_asserts): Update comments.
12280 (simplify_stmt_for_jump_threading): New.
12281 (identify_jump_threads, finalize_jump_threads): New.
12282 (vrp_finalize): Call identify_jump_threads.
12283 (execute_vrp): Call finalize_jump_threads.
12284 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12285 (vrp_element, vrp_data, vrp_element_p): Remove.
12286 (vrp_hash_elt, vrp_variables_stack): Remove.
12287 (vrp_hash, vrp_eq, record_range): Remove.
12288 (simplify_cond_and_lookup_avail_expr): Remove.
12289 (extract_range_from_cond): Remove.
12290 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12291 (simplify_stmt_for_jump_threading): New.
12292 (dom_thread_across_edge): New wrapper.
12293 (tree_ssa_dominator_optimize): No longer initialize or
12294 finalize any of the VRP datastructures. Remove iteration
12295 step and simplify as a result of removal of iteration step.
12296 (pass_dominator): Perform a cfg cleanup after DOM.
12297 (dom_opt_finalize_block): Use the new common routines
12298 for threading jumps. Simplify stack management slightly.
12299 No longer need to unwind VRP state.
12300 (record_equivalences_from_incoming_edge): No longer record
12302 (eliminate_redundant_computations): No longer call
12303 simplify_cond_and_lookup_avail_expr.
12304 * tree-flow.h (potentially_threadable_block): Prototype.
12305 (thread_across_edge): Likewise.
12306 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12307 (tree-ssa-threadedge.o): Add dependencies.
12308 * tree-ssa-threadedge.c: New file.
12309 * passes.c (init_optimization_passes): Merge PHIs before
12310 calling VRP. Run VRP again late in the SSA optimization pipeline.
12312 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12314 * df-core.c (df_set_blocks): Do not dereference function pointers.
12315 (df_finish1): Likewise.
12316 (df_hybrid_search_forward): Likewise.
12317 (df_hybrid_search_backward): Likewise.
12318 (df_iterative_dataflow): Likewise.
12319 (df_analyze_problem): Likewise.
12320 (df_compact_blocks): Likewise.
12321 (df_dump): Likewise.
12322 * df-scan.c (df_rescan_blocks): Likewise.
12323 (df_record_entry_block_defs): Likewise.
12325 * genconditions.c (write_conditions): Guard the definition of
12326 'insn_conditions' with the check on GCC version.
12327 (write_writer): Guard the traversal 'insn_conditions' with
12328 the check on GCC version.
12330 2006-02-07 Richard Guenther <rguenther@suse.de>
12334 2006-01-30 Richard Guenther <rguenther@suse.de>
12336 * gimplify.c (gimplify_target_expr): Handle easy cases
12337 without creating a temporary.
12339 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12341 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12342 use of float in probability computations. Use edge probabilities
12343 in place of statically computed probabilities.
12344 (min_spec_prob): New static variable.
12345 (schedule_insns): Initialize it.
12346 (GET_SRC_PROB): Removed.
12347 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12349 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12352 * config/ia64/unwind-ia64.c: Revert last change.
12353 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12354 (INCOMING_FRAME_SP_OFFSET): Define.
12356 2006-02-06 Roger Sayle <roger@eyesopen.com>
12358 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12360 2006-02-07 Ben Elliston <bje@au.ibm.com>
12362 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12363 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12364 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12365 (ix86_return_in_memory): Handle TDmode.
12366 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12367 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12369 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12371 * reorg.c (dbr_schedule): Use dump_file instead of file.
12373 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12376 * config/ia64/predicates.md (extr_len_operand): New predicate.
12377 * config/ia64/ia64.md (extv): Tighten constraints.
12379 (*tbit_and_2): Ditto.
12380 (*tbit_and_3): Ditto.
12381 (*tbit_or_2): Ditto.
12382 (*tbit_or_3): Ditto.
12383 (*bit_zero): Ditto.
12386 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12389 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12391 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12393 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12394 loop_optimizer_init and loop_optimizer_finalize
12395 * tree-ssa-sink.c (execute_sink_code): Ditto.
12396 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12397 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12398 tree_ssa_loop_done): Ditto.
12399 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12400 * sched-ebb.c: Include output.h.
12401 (schedule_ebbs): Do not use dump argument.
12402 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12403 * loop.c (loop_dump_stream): Removed.
12404 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12406 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12407 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12408 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12409 loop_iterations, strength_reduce, record_biv, record_giv,
12410 final_giv_value, check_final_value, check_ext_dependent_givs,
12411 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12412 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12413 dump_file instead of loop_dump_stream.
12414 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12415 argument dump_file.
12416 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12418 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12419 * haifa-sched.c: Include output.h
12420 (schedule_insns, sched_init): Do not use dump argument.
12421 * mode-switching.c (optimize_mode_switching): Ditto.
12422 * modulo-sched.c (stats_file): Removed.
12423 (print_node_sched_params): Do not call argument dump_file.
12424 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12425 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12427 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12429 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12430 rtl_loop_init, rtl_loop_done): Ditto.
12431 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12432 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12434 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12435 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12436 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12437 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12438 * emit-rtl.c (renumber_insns): Ditto.
12439 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12440 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12441 * regclass.c (regclass): Ditto.
12442 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12443 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12444 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12445 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12447 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12448 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12450 * gcse.c (gcse_file, debug_stderr): Removed.
12451 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12452 rest_of_handle_gcse): Do not use dump argument.
12453 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12454 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12455 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12456 compute_code_hoist_vbeinout, compute_code_hoist_data,
12457 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12458 compute_store_table, build_store_vectors, insert_insn_start_bb,
12459 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12460 store_motion): Use dump_file instead of gcse_file.
12461 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12462 * profile.c (profile_dump_file): Removed.
12463 (branch_prob): Use dump_file instead of profile_dump_file.
12464 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12466 * tree-ssa-copy.c (dump_copy_of): Ditto.
12467 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12468 dump file to life_analysis.
12469 * bt-load.c (branch_target_load_optimize): Ditto.
12470 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12472 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12473 regclass, dbr_schedule): Declaration changed.
12474 * sched-int.h (sched_init): Declaration changed.
12475 * tree-profile.c (tree_profile_dump_file): Removed.
12476 (tree_profile_hooks): Removed profile_dump_file hook.
12477 * rtl-profile (rtl_profile_dump_file): Removed.
12478 (rtl_profile_hooks): emoved profile_dump_file hook.
12479 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12481 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12482 * tree-cfg.c (build_tree_cfg): Ditto.
12483 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12484 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12485 Declaration changed.
12486 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12487 life_analysis and schedule_insns.
12488 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12490 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12492 * config/mips/mips.c (mips_reorg): Ditto.
12493 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12496 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12498 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12499 (s390_mangle_fundamental_type): New.
12500 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12503 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12504 (alpha_mangle_fundamental_type): New.
12505 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12508 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12510 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12512 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12513 (sparc_mangle_fundamental_type): New.
12515 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12517 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12518 (s390x-*-linux*): Likewise.
12519 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12520 * config/s390/t-linux: New file.
12522 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12524 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12525 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12527 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12529 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12530 (ANTIC_SAFE_LOADS): New macro.
12531 (find_or_generate_expression): Add prototype.
12532 (set_contains_value): Allow null set for sake of not always having
12533 to allocate ANTIC_SAFE_LOADS.
12534 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12535 Allow COMPONENT_REF too.
12536 (valid_in_set): Allow COMPONENT_REF.
12537 Check ANTIC_SAFE_LOADS too.
12538 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12539 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12541 (can_PRE_operation): Add COMPONENT_REF.
12542 (create_component_ref_by_pieces): New function.
12543 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12544 (insert_aux): Move AGGREGATE_TYPE_P check here.
12545 (compute_avail): Set bb local stmt uids.
12546 (pass_pre): Use TODO_update_ssa_only_virtuals.
12548 2006-02-06 Ben Elliston <bje@au.ibm.com>
12550 * configure.ac: Unconditionally disable decimal float by default.
12551 * configure: Regenerate.
12553 2006-02-06 Ben Elliston <bje@au.ibm.com>
12555 * read-rtl.c (read_name): Terminate reading on EOF.
12557 2006-02-06 Ben Elliston <bje@au.ibm.com>
12559 * dfp.c (decimal_real_arithmetic): Change second argument type
12560 from int to enum tree_code. Do not always return true, but now
12561 return result of any call to decimal_do helper functions.
12562 * dfp.h (decimal_real_arithmetic): Update prototype.
12564 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12566 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12568 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12571 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12574 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12576 * tree-vrp.c (cfg_loops): Removed.
12577 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12578 Use current_loops instead of cfg_loops. Pass flags to
12579 loop_optimizer_init.
12580 * cfgloopmanip.c (fix_loop_structure): Update only available
12582 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12583 loop_optimizer_init.
12584 * modulo-sched.c (build_loops_structure): Removed.
12585 (sms_schedule): Use loop_optimizer_init.
12586 * loop-init.c (loop_optimizer_init): Use flags to determine
12587 which properties of loops to prepare.
12588 (rtl_loop_init): Pass flags to loop_optimizer_init.
12589 * tree-ssa-sink.c (execute_sink_code): Ditto.
12590 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12591 * tree-ssa-pre.c (init_pre): Ditto.
12592 * cfgloop.h (LOOPS_NORMAL): New.
12593 (loop_optimizer_init): Declaration changed.
12595 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12597 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12598 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12600 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12602 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12604 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12605 * pa/t-pa64: Delete quadlib.c rule.
12606 * pa/x-ada: Revert last change.
12607 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12609 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12611 PR rtl-optimization/26087
12612 * rtlanal.c (canonicalize_condition): Do not cross basic block
12615 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12618 * config/ia64/ia64.c: Include debug.h.
12619 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12620 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12621 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12622 (process_epilogue, process_set, process_for_unwind_directive):
12623 Output unwind info only if requested. Add CFA info if requested.
12624 Add new arguments as needed. Adjust callers.
12625 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12627 (DWARF2_FRAME_INFO): Define to zero.
12628 * config/ia64/unwind-ia64.c: Remove code that compensated for
12629 the CFA offset error fixed above.
12630 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12631 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12632 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12633 -funwind-tables and -fexceptions to enable frame info.
12634 (dwarf2out_frame_init): Define initial CFA even if
12635 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12636 DWARF2_UNWIND_INFO is nonzero, not just defined.
12637 (dwarf2out_frame_finish): Output non-EH call frame info only
12638 if DWARF2_FRAME_INFO is nonzero.
12639 (convert_cfa_to_loc_list,
12640 compute_frame_pointer_to_cfa_displacement): Define even if
12641 unwind info is not supported.
12642 (gen_subprogram_die): Use the above unconditionally. Remove
12643 legacy alternate code.
12644 * toplev.c (compile_file): Compile in call to
12645 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12646 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12648 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12649 Jakub Jelinek <jakub@redhat.com>
12651 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12652 IBM extended float format long double as "g" on powerpc*-linux.
12654 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12657 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12658 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12660 2006-02-03 Jason Merrill <jason@redhat.com>
12663 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12665 PR middle-end/25977
12666 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12667 on the return slot if it's an NRV.
12669 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12671 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12672 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12673 rewrite_use): Do not handle USE_OUTER.
12674 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12675 add_iv_outer_candidates, may_replace_final_value,
12676 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12677 (find_interesting_uses_op): Functionality of
12678 find_interesting_uses_outer_or_nonlin moved here.
12679 (find_interesting_uses_outside): Use find_interesting_uses_op.
12681 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12684 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12686 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12687 Ulrich Weigand <uweigand@de.ibm.com>
12690 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12691 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12692 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12693 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12695 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12696 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12697 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12698 Define secondary reloads for TFmode moves.
12699 (constant_modes): Add TFmode.
12700 (NR_C_MODES): Set to 8.
12701 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12703 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12704 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12705 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12706 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12707 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12708 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12709 (FPR mode macro): Add TFmode.
12710 (DSF mode macro): New.
12711 (<de>, <dee> mode attributes): Removed.
12712 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12713 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12714 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12715 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12716 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12717 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12718 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12719 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12720 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12721 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12722 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12723 "*negabs<mode>2", "sqrt<mode>2"):
12724 Changed <de> to <xde>. R constraint replaced by <Rf>.
12725 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12727 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12728 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12729 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12731 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12732 "extenddftf2", "extendsftf2"): New expanders.
12733 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12734 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12735 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12736 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12738 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12739 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12740 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12741 __floatditf): Add a GCC_4.1.0 symbol version tag.
12742 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12745 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12748 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12749 Use targetm.binds_local_p instead of TREE_PUBLIC.
12751 2006-02-02 Roger Sayle <roger@eyesopen.com>
12753 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12754 on INTEGER_TYPEs to indicate that it denotes a character type.
12755 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12756 signed_char_type_node, unsigned_char_type_node and char_type_node.
12757 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12758 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12759 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12761 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12762 Daniel Berlin <dberlin@dberlin.org>
12764 * tree-tailcall.c (arg_needs_copy_p): New function.
12765 (eliminate_tail_call): Use arg_needs_copy_p.
12766 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12767 (add_virtual_phis): New function.
12769 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12771 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12772 #ignore instead of #scratch for %g7 .register directive.
12774 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12776 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12779 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12781 * flow.c (calculate_global_regs_live): Assert that there aren't any
12784 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12786 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12787 what its name says.
12788 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12789 bsi_after_labels iterator.
12790 * tree-if-conv.c (find_phi_replacement_condition,
12791 replace_phi_with_cond_modify_expr): Likewise.
12792 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12793 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12795 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12797 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12799 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12802 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12803 array after growing it.
12805 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12807 PR middle-end/24901
12808 * fold-const.c (fold_checksum_tree): Change type of buf.
12810 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12812 * reload.c (push_secondary_reload): Initialize t_icode.
12814 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12816 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12817 -msoft-float -mlong-double-128 only issue a warning, but don't
12818 swich to DFmode long double.
12820 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12822 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12823 has a constant equivalent, iterate over equivalents for arg0,
12824 calling simplify_relational_operation and if there's a result
12825 cheaper than X, apply fold_rtx and return the result.
12827 2006-02-01 Jan Hubicka <jh@suse.cz>
12829 * opts.c (no_unit_at_a_time_default): New global variable.
12830 (decode_options): Use it.
12831 * opts.h (no_unit_at_a_time_default): Declare.
12833 2006-02-01 Paul Brook <paul@codesourcery.com>
12835 * function.c (assign_parm_setup_reg): Use function argument promotion
12837 * expr.c (expand_expr_real_1): Use function argument promotion rules
12840 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12842 * gcc.c (process_command): Change j to 'unsigned int'.
12844 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12846 PR middle-end/26001
12847 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12848 Use the corrected index for the character
12849 out of the string constant.
12851 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12853 * mode-switching.c (optimize_mode_switching): Fix size
12854 allocated for bb_info[n_entities].
12856 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12858 * gcc.c (main): Correct type that is allocated for
12859 explicit_link_files.
12861 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12863 * config/s390/s390.c (init_alignment_context): Set
12864 ALIAS_SET_MEMORY_BARRIER on the MEM.
12865 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12867 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12869 PR middle-end/25933
12870 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12872 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12875 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12877 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12878 * regrename.c: Ditto.
12879 * tree-ssa-loop-im.c: Ditto.
12880 * tree-dump.c: Ditto.
12881 * tree-complex.c: Ditto.
12882 * genrecog.c: Ditto.
12883 * tree-ssa-threadupdate.c: Ditto.
12885 * java/class.c: Ditto.
12886 * java/jcf-parse.c: Ditto.
12887 * java/resource.c: Ditto.
12888 * java/except.c: Ditto.
12889 * java/jvspec.c: Ditto.
12890 * java/jcf-write.c: Ditto.
12891 * java/jcf-path.c: Ditto.
12892 * java/gjavah.c: Ditto.
12893 * java/zextract.c: Ditto.
12894 * java/jcf-io.c: Ditto.
12895 * java/jcf.h: Ditto.
12896 * java/buffer.c: Ditto.
12897 * java/lang.c: Ditto.
12898 * java/parse-scan.y: Ditto.
12899 * java/lex.c: Ditto.
12900 * java/lex.h: Ditto.
12901 * cfgloopmanip.c: Ditto.
12902 * postreload-gcse.c: Ditto.
12903 * tree-ssa-loop-manip.c: Ditto.
12904 * postreload.c: Ditto.
12905 * tree-ssa-loop-ch.c: Ditto.
12908 * cppspec.c: Ditto.
12909 * diagnostic.c: Ditto.
12911 * genoutput.c: Ditto.
12913 * cfghooks.c: Ditto.
12914 * cfgloopanal.c: Ditto.
12915 * objc/objc-act.c: Ditto.
12917 * genextract.c: Ditto.
12918 * genautomata.c: Ditto.
12919 * pretty-print.c: Ditto.
12920 * genemit.c: Ditto.
12921 * cgraphunit.c: Ditto.
12923 * df-scan.c: Ditto.
12924 * haifa-sched.c: Ditto.
12925 * dominance.c: Ditto.
12927 * tree-ssa-loop-ivopts.c: Ditto.
12928 * df-core.c: Ditto.
12929 * mode-switching.c: Ditto.
12930 * modulo-sched.c: Ditto.
12932 * ipa-pure-const.c: Ditto.
12934 * fix-header.c: Ditto.
12936 * tree-stdarg.c: Ditto.
12937 * ipa-utils.c: Ditto.
12938 * loop-init.c: Ditto.
12939 * ipa-inline.c: Ditto.
12940 * cfganal.c: Ditto.
12942 * alloc-pool.c: Ditto.
12943 * dwarf2out.c: Ditto.
12945 * genattrtab.c: Ditto.
12946 * tree-ssa-loop-ivcanon.c: Ditto.
12947 * predict.c: Ditto.
12948 * timevar.c: Ditto.
12950 * fortran/gfortranspec.c: Ditto.
12951 * regmove.c: Ditto.
12952 * local-alloc.c: Ditto.
12953 * langhooks.c: Ditto.
12954 * function.c: Ditto.
12955 * tree-vectorizer.c: Ditto.
12957 * ipa-type-escape.c: Ditto.
12959 * tree-if-conv.c: Ditto.
12960 * profile.c: Ditto.
12962 * tree-data-ref.c: Ditto.
12963 * loop-unroll.c: Ditto.
12964 * treelang/treetree.c: Ditto.
12966 * bt-load.c: Ditto.
12967 * ggc-common.c: Ditto.
12969 * coverage.c: Ditto.
12971 * tree-cfgcleanup.c: Ditto.
12972 * tree-ssa-pre.c: Ditto.
12973 * cfgcleanup.c: Ditto.
12974 * loop-invariant.c: Ditto.
12975 * loop-iv.c: Ditto.
12976 * ipa-prop.c: Ditto.
12977 * print-tree.c: Ditto.
12978 * conflict.c: Ditto.
12979 * ggc-page.c: Ditto.
12980 * sched-deps.c: Ditto.
12981 * regclass.c: Ditto.
12982 * tree-object-size.c: Ditto.
12983 * combine.c: Ditto.
12984 * bb-reorder.c: Ditto.
12985 * resource.c: Ditto.
12986 * var-tracking.c: Ditto.
12987 * cfgloop.c: Ditto.
12988 * df-problems.c: Ditto.
12989 * reg-stack.c: Ditto.
12991 * gccspec.c: Ditto.
12992 * sched-rgn.c: Ditto.
12993 * tree-ssa-structalias.c: Ditto.
12994 * tree-ssa-reassoc.c: Ditto.
12995 * config/darwin-c.c: Ditto.
12996 * config/darwin.c: Ditto.
12997 * config/arm/arm.c: Ditto.
12999 * collect2.c: Ditto.
13000 * reload1.c: Ditto.
13002 2006-01-31 Nicolas Pitre <nico@cam.org>
13004 * arm.md (smaxsi3): Make aware of smax_m1.
13007 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13009 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13011 2006-01-31 Richard Guenther <rguenther@suse.de>
13013 * doc/invoke.texi (-msselibm): Document.
13014 * target.h (expand_library_builtin): New target hook.
13015 * builtins.c (expand_builtin): Use expand_library_builtin.
13016 (default_expand_library_builtin): New function.
13017 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13018 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13019 (link_gcc_math_spec): Declare.
13020 (static_specs): Add link_gcc_math_spec.
13021 * expr.h (default_expand_library_builtin): Declare.
13022 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13023 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13024 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13025 * config/i386/i386.opt (msselibm): New target option.
13026 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13027 (ix86_init_sse_abi_builtins): New function.
13028 (ix86_expand_library_builtin): Likewise.
13029 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13030 (override_options): Handle error conditions wrt -msselibm.
13031 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13032 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13033 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13036 2006-01-31 Richard Guenther <rguenther@suse.de>
13037 Paolo Bonzini <bonzini@gnu.org>
13039 * doc/install.texi (--disable-libgcc-math): Document.
13041 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13043 * expr.h (expand_normal): new inline function.
13044 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13045 * dojump.c: use it.
13046 * dwarf2out.c: use it.
13049 * expmed.c: use it.
13050 * except.c: use it.
13051 * config/sparc/sparc.c: use it.
13052 * config/i386/i386.c: use it.
13053 * config/rs6000/rs6000.c: use it.
13054 * config/arm/arm.c: use it.
13055 * config/mips/mips.c: use it.
13056 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13058 2006-01-30 Roger Sayle <roger@eyesopen.com>
13060 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13061 argv to the appropriate type.
13063 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13065 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13068 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13071 * config/s390/s390.c (struct machine_function): New flag
13072 decomposed_literal_pool_addresses_ok_p.
13073 (s390_reorg): Set it before final stage of literal pool transforms.
13074 (s390_decompose_address): Only accept displacements of the form
13075 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13077 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13079 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13080 the comparison routine return.
13082 2006-01-30 Michael Matz <matz@suse.de>
13084 * global.c (find_reg): Only evict for global regs.
13085 Take n_refs into account and dump more info.
13087 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13090 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13091 (pragma_trap, pragma_nosave_low_regs): Likewise.
13092 (current_function_anonymous_args): Likewise.
13093 (sh_deferred_function_attributes): New variable.
13094 (sh_deferred_function_attributes_tail): Likewise.
13095 (print_operand): For '@', look up trap_exit attribute.
13096 (calc_live_regs): Look up trapa_handler attribute. For trapa
13097 handlers, save/restore fpscr, but don't do any other
13098 interrupt-specific saves.
13099 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13100 Fix check for partially saved registers to check for SHmedia.
13101 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13102 (sh_output_function_epilogue): Don't clear any of the removed
13104 (sh_insert_attributes): Don't check pragma_interrupt.
13105 Insert deferred attributes. Check that interrupt attribute is
13106 present for other attributes that require its presence.
13107 (sh_attribute_table): Add new attributes trapa_handler and
13109 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13110 Don't check for pragma_interrupt. Don't store argument.
13111 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13112 (sh_deferred_function_attributes): Declare.
13113 (sh_deferred_function_attributes_tail): Likewise.
13114 * sh.md (sp_switch_1): Add operand. Change generator caller.
13115 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13116 (*return_i): Don't use when trap_exit attribute is in effect.
13117 (*return_trapa): New insn pattern.
13118 * sh-c.c: New file.
13119 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13120 setting c_target_objs and cxx_target_objs.
13121 * t-sh: Add rule for sh-c.o.
13123 2006-01-30 Richard Guenther <rguenther@suse.de>
13126 * gimplify.c (gimplify_target_expr): Handle easy cases
13127 without creating a temporary.
13129 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13131 * vec.h (safe_grow): Remove duplicated line.
13133 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13136 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13137 (expand_omp): ... here.
13138 (expand_omp_parallel): Only remove barriers for combined
13139 parallel+workshare constructs.
13141 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13145 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13146 * tree.c (build_qualified_type): Chain the new type to the original
13147 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13148 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13149 (build_pointer_type_for_mode): Only return unqualified types.
13150 (build_reference_type_for_mode): Likewise.
13152 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13154 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13155 * Makefile.in (CXX_COMPAT_WARN): Define.
13156 * configure: Regenerate.
13158 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13161 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13164 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13166 * toplev.c: Fix thinko.
13168 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13169 Marcin Dalecki <martin@dalecki.de>
13171 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13172 (push_srcloc): Use XNEW.
13173 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13175 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13177 * df-core.c (df_set_blocks): Deleted all variable.
13179 2006-01-28 Ian Lance Taylor <ian@airs.com>
13181 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13182 cgraph_output_pending_asms.
13184 2006-01-28 Zack Weinberg <zackw@panix.com>
13186 * c.opt: Add -W(no-)overlength-strings.
13187 * doc/invoke.texi: Document it.
13188 * c-opts.c (c_common_handle_option): -pedantic implies
13189 -Woverlength-strings, if not explicitly disabled already.
13190 (c_common_post_options): -Woverlength-strings defaults to off, and
13191 is always off for C++.
13192 * c-common.c (fix_string_type): Issue warning about strings longer
13193 than is portable only if warn_overlength_strings. Rearrange code
13194 a little for clarity.
13195 * configure.in: Check for -Wno-overlength-strings as well before
13196 enabling -pedantic in stage 1.
13197 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13198 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13200 * genconditions.c (write_header, write_one_condition)
13201 (write_conditions, write_writer): Consolidate very long strings
13202 that were broken up to fit in C89 portable limit. Don't use
13203 printf when fputs will do.
13205 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13207 * combine.c (simplify_comparison <AND>): Check
13208 TRULY_NOOP_TRUNCATION before start using a subreg.
13210 * config/mips/mips.md (*branch_zero<mode>,
13211 *branch_zero<mode>_inverted, *branch_equality<mode>,
13212 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13213 Remove mode check from comparisons.
13215 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13217 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13219 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13221 * expmed.c (const_mult_add_overflow_p): Remove.
13222 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13224 * recog.c (validate_replace_rtx_subexp): Remove.
13225 * recog.h: Remove the prototype for
13226 validate_replace_rtx_subexp.
13228 * integrate.h: Remove the prototype for
13229 copy_decl_for_inlining.
13230 * rtl.h: Remove the prototype for mark_constant_function.
13231 * tree-vectorizer.h: Remove the prototype for
13232 vect_strip_conversion.
13234 * modulo-sched.c (create_partial_schedule,
13235 free_partial_schedule, reset_partial_schedule): Make them
13238 * hooks.c (hook_bool_rtx_int_false): Remove.
13239 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13241 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13243 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13244 and -mlong-double-128 are incompatible.
13245 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13246 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13247 (TARGET_LIBGCC2_CFLAGS): Define.
13248 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13249 (TARGET_LIBGCC2_CFLAGS): Same.
13250 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13252 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13255 * c-typeck.c (build_binary_op): Perform implicit casts of
13256 operands before shortening them.
13258 * cfgloopmanip.c (split_loop_bb): Remove.
13259 * cfgloop.h: Remove the prototype for split_loop_bb.
13261 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13262 * cfgloop.h: Remove the prototype for
13263 flow_loop_outside_edge_p.
13265 * emit-rtl.c (init_virtual_regs): Make it static.
13266 * function.h: Remove the prototype for init_virtual_regs.
13268 * recog.c (peephole2_optimize): Make it static.
13269 * recog.h: Remove the prototype for peephole2_optimize.
13271 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13273 * df-scan.c (df_record_entry_block_defs): Check if
13274 INCOMING_RETURN_ADDR_RTX is defined.
13276 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13277 Kenneth Zadeck <zadeck@naturalbridge.com>
13279 PR rtl-optimization/24762
13280 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13281 * targhooks.c (hook_void_bitmap): New hook prototype.
13282 * targhoohs.h (hook_void_bitmap): Ditto.
13283 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13284 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13285 * target.h (live_on_entry): New function pointer.
13286 * df-scan.c (df_all_hard_regs): Removed.
13287 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13288 (df_scan_free_internal): Added df->entry_block_defs.
13289 (df_scan_alloc): Ditto.
13290 (df_scan_dump): Ditto.
13291 (df_uses_record): Plumbed flag field properly thru calls.
13292 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13293 This part fixes PR24762.
13294 (df_bb_refs_record): Added code to make the frame and arg
13295 pointers live in EH blocks.
13296 (df_refs_record): Added call to df_record_entry_block_defs.
13297 (df_record_entry_block_defs): New function.
13298 * df-core.c: Added comments to describe new artifical defs.
13299 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13300 (entry_block_defs): New field in struct df.
13301 (df_all_hard_regs): Deleted.
13302 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13303 * df-problems.c (df_ru_bb_local_compute_process_def):
13304 Added code to handle artifical defs in the entry to a function.
13305 (df_ru_bb_local_compute): Ditto.
13306 (df_rd_bb_local_compute_process_def): Ditto.
13307 (df_rd_bb_local_compute): Ditto.
13308 (df_lr_bb_local_compute): Ditto.
13309 (df_ur_bb_local_compute): Ditto.
13310 (df_urec_bb_local_compute): Ditto.
13311 (df_chain_create_bb): Ditto.
13312 (df_ur_local_finalize): Removed entry.
13313 (df_urec_init): Ditto.
13314 (df_urec_local_finalize): Ditto.
13315 (df_ri_bb_compute): Added detection of last use of pseudos.
13316 * Makefile.in (df-scan.o): Updated dependencies.
13317 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13318 * config/mips/mips.c (mips_set_live_on_entry): Added.
13319 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13321 * dce.c (marked_insn_p): Added code to handle artifical defs.
13323 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13325 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13327 (_mm_cvtsi128_si64): Likewise.
13328 (_mm_cvtsd_si64): Likewise.
13329 (_mm_cvttsd_si64): Likewise.
13330 (_mm_cvtsi64_sd): Likewise.
13331 (_mm_cvtsi64_si128): Likewise.
13332 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13333 (_mm_cvtsi64_m64): Likewise.
13334 (_m_to_int64): Likewise.
13335 (_mm_cvtm64_si64): Likewise.
13336 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13337 (_mm_cvttss_si64): Likewise.
13338 (_mm_cvtsi64_ss): Likewise.
13339 (_mm_cvtss_f32): Likewise.
13341 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13343 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13344 for pragma redefine_extname.
13346 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13349 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13350 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13351 -mno-minimal-toc to previous content.
13352 (bispecs): Remove goal.
13353 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13354 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13355 compatibility aliases on powerpc-*-*gnu*.
13356 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13357 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13358 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13359 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13360 (ldblspecs): New goal.
13361 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13362 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13364 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13365 L_sf_to_tf or L_df_to_tf is defined.
13367 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13368 Alan Modra <amodra@bigpond.net.au>
13371 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13372 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13373 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13374 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13375 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13376 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13377 (rs6000_override_options): Initialize rs6000_ieeequad.
13378 Initialize TFmode format to ibm_extended_format if not
13380 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13382 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13383 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13384 (function_arg_advance): IBM long double passed in two FPRs, not
13386 (function_arg): IBM long double passed in FPRs.
13387 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13388 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13389 Only multireg GPR aligned.
13390 (rs6000_init_libfuncs): Enable IBM long double functions if not
13392 (rs6000_generate_compare): Use IBM long double compare if not
13394 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13395 (TARGET_IEEEQUAD): Define.
13396 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13397 not TARGET_IEEEQUAD.
13398 * config/rs6000/rs6000.md: Enable TFmode patterns if
13400 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13401 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13402 and -mlong-double-128 are incompatible.
13403 * doc/invoke.texi (-mabi): Collect options together. Add
13404 ibmlongdouble and ieeelongdouble.
13406 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13408 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13410 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13411 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13412 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13413 * rtl.h (rtunion_def): Remove rt_ptr.
13415 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13416 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13417 * config/i386/winnt.c (i386_pe_mark_dllexport)
13418 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13420 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13422 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13424 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13428 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13429 pthread_key_delete. From John David Anglin. gthrw-ify
13430 pthread_getunique_np only if it it's not a macro. Delete
13432 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13433 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13434 __gthread_objc_condition_signal, __gthread_key_delete): Add
13435 "__attribute__ ((__unused__))" to unused arguments.
13436 (__gthread_recursive_mutex_init_function): Add missing return.
13437 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13438 gthr-posix95.h: Use macro-based approach for name redirection
13439 on targets missing weakref.
13441 2006-01-26 Zack Weinberg <zackw@panix.com>
13443 * genconditions.c (write_header): In generated code, #ifdef out
13444 all includes and fake declarations, except includes of bconfig.h
13445 and system.h, unless GCC_VERSION >= 3001. Do not include
13446 gensupport.h in any case.
13447 (write_conditions): Generate a definition of struct c_test. Add
13448 a comment to the generated #endif.
13449 (write_one_condition): Escape backslashes in string too.
13450 (write_writer): Generated code must escape backslashes and quote
13451 marks (but not newlines) in the strings it writes.
13452 * Makefile.in (build/gencondmd.o): Update dependencies.
13454 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13457 * Makefile.in (insn-automata.o): Add header file dependencies.
13458 * genautomata.c: Add includes.
13460 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13463 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13465 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13467 * configure.ac: Expect target tools paths to be passed from the toplevel
13468 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13470 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13472 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13475 * c.opt (Wpointer-sign): Init to -1.
13476 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13477 OPT_pedantic, to 0 otherwise.
13478 * doc/invoke.texi: Update.
13480 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13482 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13483 constants provided by 80387 instructions in the destination mode.
13485 2006-01-26 Richard Guenther <rguenther@suse.de>
13486 Andrew Pinski <pinskia@physics.uc.edu>
13489 partial PR tree-opt/17064
13490 * tree-ssa-structalias.c (intra_create_variable_infos):
13491 Create heap variables for incoming parameters if
13492 flag_argument_noalias > 1.
13493 (find_what_p_points_to): Look through default defs of
13496 2006-01-26 Jeff Law <law@redhat.com>
13499 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13500 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13501 within the VR_RANGE, use the VR_RANGE as the result, not the
13503 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13504 bounds for the type.
13506 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13508 * tree-ssa-alias.c (maybe_create_global_var): Change
13509 subvar walking to an assertion that we don't have subvar'd variables.
13511 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13514 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13515 Use a new variable, inner. PARM_DECLs are always non-weak.
13517 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13519 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13520 --disable-checking.
13522 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13524 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13526 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13528 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13529 (smax_insn, smin_insn, smax_0, smin_0): New.
13531 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13534 * config/cris/cris.c (cris_order_for_addsi3): New function.
13535 * config/cris/cris-protos.h: Prototype it.
13536 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13537 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13538 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13539 (split for "op.S1 [rx=rx+i],ry (swapped)")
13540 (split for "op(s|u).S1 [rx=rx+i],ry")
13541 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13542 Apply cris_order_for_addsi3 when generating addsi3 insns.
13544 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13546 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13547 (TREE_BLOCK): Add call to EXPR_CHECK.
13549 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13552 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13553 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13554 (dump_omp_clauses): ... here.
13555 (dump_generic_node): Handle OMP_CLAUSE.
13556 * tree.c (omp_clause_num_ops): New.
13557 (omp_clause_code_name): New.
13558 (tree_code_size): Handle OMP_CLAUSE.
13559 (tree_size): Likewise.
13560 (make_node): Document handling of OMP_CLAUSE.
13561 (tree_node_structure): Handle OMP_CLAUSE.
13562 (omp_clause_check_failed): New.
13563 (omp_clause_range_check_failed): New.
13564 (omp_clause_operand_check_failed): New.
13565 (build_omp_clause): New.
13566 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13567 * tree.h (enum omp_clause_code): Declare.
13568 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13569 (OMP_CLAUSE_RANGE_CHECK): Define.
13570 (OMP_CLAUSE_ELT_CHECK): Define.
13571 (omp_clause_check_failed): Declare.
13572 (omp_clause_operand_check_failed): Declare.
13573 (omp_clause_range_check_failed): Declare.
13574 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13575 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13576 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13577 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13578 (OMP_CLAUSE_IF_EXPR): Likewise.
13579 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13580 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13581 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13582 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13583 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13584 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13585 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13586 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13587 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13588 (OMP_CLAUSE_CODE): Define.
13589 (OMP_CLAUSE_SET_CODE): Define.
13590 (OMP_CLAUSE_CODE): Define.
13591 (OMP_CLAUSE_OPERAND): Define.
13592 (struct tree_omp_clause): Declare.
13593 (union tree_node): Add field 'omp_clause'.
13594 * treestruct.def (TS_OMP_CLAUSE): Define.
13595 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13596 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13597 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13598 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13599 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13600 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13601 (OMP_CLAUSE): Define.
13602 * print-tree.c (print_node): Handle OMP_CLAUSE.
13603 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13604 * c-typeck.c: Likewise.
13605 * gimplify.c: Likewise.
13606 * c-omp.c: Likewise.
13607 * tree-nested.c: Likewise.
13608 * tree-inline.c: Likewise.
13609 * c-parser.c: Likewise.
13610 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13613 2006-01-25 Roger Sayle <roger@eyesopen.com>
13615 PR rtl-optimization/25703
13616 * combine.c (try_combine): Handle zero_extract and strict_low_part
13617 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13619 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13621 * global.c: Fix comment typos.
13623 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13626 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13627 Use output_addr_const instead of assemble_name.
13629 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13631 * Makefile.in (sched-vis.o): Update dependencies.
13632 * haifa-sched.c (sched_finish): Clear current_sched_info.
13633 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13634 (dump_flow_info): Call it.
13635 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13637 * basic-block.h (dump_bb_info): Declare.
13638 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13639 option, and apply options only for dump files whose TDF_RTL,
13640 TDF_TREE, or TDF_IPA bits match.
13641 * rtl.h: Declare new functions exported from sched-vis.c.
13642 * sched-vis.c: Enable also if scheduling is not used.
13643 (print_value): Print the mode of registers if not inside scheduling.
13644 (print_insn): Make it work outside the scheduler. Beautify the output
13646 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13648 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13650 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13651 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13652 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13653 depending on the value of CONSTANT_POOL_ADDRESS_P.
13654 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13656 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13657 rather than SYMBOL_REF_DECL.
13658 (rtx_constant_pool): Remove const_rtx_sym_htab.
13659 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13660 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13661 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13662 Remove handling of const_rtx_sym_htab.
13663 (find_pool_constant): Delete.
13664 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13665 rather than find_pool_constant.
13666 (get_pool_constant_for_function): Delete.
13667 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13668 find_pool_constant.
13669 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13670 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13671 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13672 (SYMBOL_REF_CONSTANT): New macro.
13673 (get_pool_constant_for_function): Delete.
13674 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13675 rather than SYMBOL_REF_DECL.
13676 (i386_pe_mark_dllimport): Likewise.
13677 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13678 rather than SYMBOL_REF_DECL.
13679 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13680 (machopic_indirect_call_target): Likewise.
13682 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13684 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13686 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13688 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13690 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13692 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13694 2006-01-24 David Daney <ddaney@avtrex.com>
13697 * configure.ac (enable_tls): New enable option.
13698 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13699 * configure: Regenerate.
13700 * doc/install.texi (--enable-tls): Document new option.
13701 (--disable-tls): Ditto.
13703 2006-01-24 Richard Henderson <rth@redehat.com>
13705 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13706 * alias.c (true_dependence): Respect it.
13707 (canon_true_dependence, write_dependence_p): Likewise.
13708 * builtins.c (get_builtin_sync_mem): Set it.
13710 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13712 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13715 2006-01-24 DJ Delorie <dj@redhat.com>
13717 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13718 for storing constants in single-bit bitfields.
13720 2006-01-25 Ben Elliston <bje@au.ibm.com>
13722 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13724 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13727 * tree-ssa-pre.c (phi_translate): Return NULL
13728 for AGGREGATE_TYPE's.
13730 2006-01-24 Zack Weinberg <zackw@panix.com>
13732 * genautomata.c (process_state_for_insn_equiv_partition):
13733 Use xcalloc for insn_arcs_array.
13734 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13735 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13737 2006-01-24 Richard Henderson <rth@redhat.com>
13739 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13740 update all callers.
13742 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13744 PR rtl-optimization/25890
13745 PR rtl-optimization/25905
13746 * combine.c (expand_compound_operation, expand_field_assignment):
13747 Fail if the bitfield's final position is out of bounds.
13749 2006-01-24 Ian Lance Taylor <ian@airs.com>
13751 PR middle-end/25930
13752 * cgraphunit.c (cgraph_output_in_order): Don't clear
13753 cgraph_asm_nodes until after asm strings have been output.
13755 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13757 * fix-header.c (read_scan_file): Add new parameter imultilib when
13758 calling register_include_chains.
13760 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13762 * omp-low.c: Update documentation.
13764 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13765 Daniel Berlin <dberlin@dberlin.org>
13769 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13770 return from the function.
13772 2006-01-22 Zack Weinberg <zackw@panix.com>
13774 * rtl.def (match_code): Add second argument.
13775 * genpreds.c (write_extract_subexp): New function.
13776 (write_match_code): Add path argument. Use write_extract_subexp.
13777 (write_predicate_expr): Pass path to write_match_code.
13778 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13779 not perform a mode test.
13780 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13781 a subexpression does not constrain the top-level code set.
13782 * read-rtl.c (read_rtx_variadic): New function.
13783 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13784 * doc/md.texi: Document new notation.
13785 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13786 (cmpsi_operand): ... here, using new notation.
13788 2006-01-22 Zack Weinberg <zackw@panix.com>
13790 * varray.c: Remove GENERATOR_FILE #ifdefs.
13792 2006-01-22 Zack Weinberg <zackw@panix.com>
13794 * genautomata.c (output_reserved_units_table): Emit nothing if
13795 description->query_units_num is zero. Remove extra blank line.
13796 (output_cpu_unit_reservation_p): Short circuit
13797 if description->query_units_num is zero.
13799 2006-01-22 Zack Weinberg <zackw@panix.com>
13801 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13802 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13803 nor any of the random handful of variables that used to be necessary
13804 when this program was linked with rtlanal.o. Prune set of forward
13805 function declarations.
13806 (struct attr_desc): Remove static_p field.
13807 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13808 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13809 (attr_string): Do not read the character one past the length of
13811 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13812 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13813 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13814 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13815 (make_automaton_attrs): New.
13816 (main): Do not call into genautomata. Call local gen_bypass
13817 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13818 Remove special case for insn_alts.
13819 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13820 varray.h (leftover from previous change). Prune set of forward
13821 function declarations. Remove state_alts fields from all
13822 structures. Remove state_alts_table from struct automaton.
13823 Make everything except main static. Do not maintain num_dfa_decls.
13824 Do not maintain state_alts fields of various structures.
13825 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13826 (add_arc): Remove state_alts argument. All callers updated.
13827 (output_reserved_units_table): Emit #ifdef here...
13828 (output_tables): ...not here. Don't generate state_alts tables.
13829 (expand_automata): Don't generate attributes.
13830 (write_automata): Don't generate state_alts functions.
13831 (main): New function.
13832 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13833 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13834 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13835 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13836 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13837 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13838 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13839 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13841 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13842 * genattrtab.h: Delete file.
13843 * Makefile.in (OBJS-common): Add insn-automata.o.
13844 (insn-automata.o): New rule.
13845 (simple_generated_c): Add insn-automata.c.
13846 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13847 (genprogmd): Add automata.
13848 (build/genattrtab): Needs no extra objects nor libraries.
13849 (build/genautomata): Needs build/vec.o and -lm.
13851 2006-01-22 Zack Weinberg <zackw@panix.com>
13853 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13854 (output_dfa_max_issue_rate, locked_states_num): Delete.
13855 (struct automaton): Add locked_states field.
13856 (output_dead_lock_vect): Save number of locked states in
13857 automaton->locked_states. If it is zero, don't print anything.
13858 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13859 (output_internal_dead_lock_func): Only test the dead_lock_vect
13860 for automata that have locked states.
13861 (output_statistics): Always print the number of locked states for
13862 each automaton. Calculate total number of locked states here.
13863 (write_automata): Don't call output_dfa_max_issue_rate.
13864 * genattrtab.c: Define length_unit_log as a const variable.
13865 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13866 max_insn_queue_index const.
13867 * final.c (length_unit_log): Declare const.
13868 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13870 2006-01-22 Zack Weinberg <zackw@panix.com>
13872 * genautomata.c: Include vec.h, not varray.h.
13873 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13874 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13875 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13876 VEC_* macros operating on appropriately typed vectors, or to
13877 malloced arrays when the size is known in advance. Const-ify
13878 many char* variables and function arguments. No functional changes.
13879 * Makefile.in (build/varray.o): Delete rule.
13880 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13881 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13883 2006-01-22 Zack Weinberg <zackw@panix.com>
13885 * gensupport.c: Define get_insn_name and record_insn_name here.
13886 (read_md_rtx): Call record_insn_name as appropriate.
13887 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13888 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13889 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13891 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13892 (BUILD_VARRAY): Delete.
13893 (genprognormal): Rename genprogmd. Fold in all programs from
13894 genprognoprint; also attrtab.
13895 (build/genattrtab): Just mention genautomata.o and varray.o.
13896 Reorganize a bit, add comments to make the categories clearer.
13898 2006-01-22 Zack Weinberg <zackw@panix.com>
13900 * genconditions.c (condition_table, add_condition): Delete.
13901 (write_conditions): Don't emit n_insn_conditions nor
13902 insn_elision_unavailable. Issue the gcc version #ifdef here,
13903 inside the table, with no #else clause ...
13904 (write_header): ...not here.
13905 (write_writer): New function.
13906 (main): Don't initialize condition_table. Use add_c_test.
13908 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13909 files on the command line.
13910 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13911 Return -1 if there is no entry in the table, don't abort.
13912 (add_c_test, traverse_c_tests): New functions.
13913 * gensupport.h (insn_elision_unavailable, insn_conditions)
13914 (n_insn_conditions): Delete declarations.
13915 (add_c_test, traverse_c_tests): Declare.
13916 * read-rtl.c: Include gensupport.h.
13917 (read_conditions): New function.
13918 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13919 (read_rtx_1): If we get EOF when we were looking for an initial
13920 open paren, return 0. Call read_conditions when appropriate.
13921 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13922 dummy-conditions.o. Eliminate references to insn-conditions.o,
13923 or change them to build/gencondmd.o, as appropriate. Remove
13924 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13925 from $(simple_generated_c). For all files remaining in those
13926 two lists, add insn-conditions.md to the generator command line.
13927 Give insn-constants.h/s-constants their own rules. Add rules
13928 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13929 (build/read-rtl.o): Depend on gensupport.h.
13930 (genprognormal): Include preds.
13931 (genprogearly): Rename genprognoprint; only difference is now that
13932 they don't link with $(BUILD_PRINT).
13933 * dummy-conditions.c: Delete.
13935 2006-01-22 Zack Weinberg <zackw@panix.com>
13937 * genextract.c: Don't include insn-config.h. Do include vec.h.
13938 Declare vectors of int, char, and locstr.
13939 (locstr): New typedef.
13940 (struct extraction): Make all array fields into bare pointers.
13941 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13942 (insn_code_number): Delete.
13943 (accum_extract): New struct.
13944 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13945 (gen_insn): Take insn_code_number as an argument. Use an
13946 accum_extract structure instead of loading data directly into
13947 a struct extraction, and having to know how big it might get.
13948 (walk_rtx): Operate entirely on an accum_extract structure.
13949 (print_path): Avoid unnecessary use of printf.
13950 (print_header): New function, split out of main. Distinguish
13951 more carefully between an unrecognizable insn and an insn that
13952 has the code number of a define_expand.
13953 (main): Pass insn_code_number to gen_insn. Call print_header
13954 only after parsing. Avoid unnecessary use of printf.
13955 * Makefile.in (build/vec.o): New rule.
13956 (build/genextract): Depend on build/vec.o.
13957 (build/genextract.o): Don't depend on insn-config.h.
13959 2006-01-22 Zack Weinberg <zackw@panix.com>
13961 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13962 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13963 practical. Eliminate per-generator-program link rules.
13965 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13967 PR middle-end/24437
13968 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13969 with a call expr to ...
13970 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13972 2006-01-23 Richard Guenther <rguenther@suse.de>
13974 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13975 before make_edge with conditional EDGE_TRUE_VALUE.
13977 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13978 Jan Hubicka <jh@suse.cz>
13979 Richard Guenther <rguenther@suse.de>
13981 PR rtl-optimization/25654
13982 * cfgexpand.c (aggregate_contains_union_type): New function.
13983 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13984 for structure variables that contain a union type.
13986 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13988 * gengtype.c (new_structure): Return the structure.
13989 (create_option): Add an extra "next" argument.
13990 (create_field): New function.
13991 (adjust_field_rtx_def): Use create_option and create_field.
13992 Remove a now-unnecessary call to find_structure.
13993 (adjust_field_tree_def): Likewise.
13994 (note_yacc_type): Remove an unnecessary call to find_structure.
13995 * gengtype.h (new_structure): Return the structure.
13996 (create_option): Add an extra argument.
13997 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13998 (option): Adjust calls to create_option.
14000 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14002 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14004 2006-01-22 Paul Brook <paul@codesourcery.com>
14005 Peter Barada <peter@the-baradas.com>
14007 * config/m68k/m68k.md: Add Coldfire FPU support.
14008 Define FP mode macro and associated attributes.
14009 Use it for float mode patterns.
14010 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14011 (LIBCALL_VALUE): Use m68k_libcall_value.
14012 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14013 (m68k_function_value): Ditto.
14014 (emit_move_sequence): Ditto.
14015 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14016 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14017 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14018 (MULTILIB_EXCEPTIONS): Ditto.
14019 * config/m68k/m68k.opt: Add mcfv4e.
14020 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14021 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14022 (m68k_output_function_prologue): Save ColdFire FPU registers.
14023 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14024 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14025 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14026 ColdFire FPU registers.
14027 (m68k_libcall_value, m68k_function_value): New functions.
14028 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14029 (LIBCALL_VALUE): Use m68k_libcall_value.
14030 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14031 (MASK_COLDFIRE): Add MASK_CFV4E.
14032 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14033 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14034 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14035 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14036 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14037 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14038 * doc/invoke.tex: Document -mcfv4e on m68k.
14040 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14042 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14045 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14048 * c-opts.c (c_common_handle_option): Don't include
14049 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14050 * doc/invoke.texi (C++ Dialect Options): Document that
14051 -Wnon-virtual-dtor is no longer included in -Wall.
14053 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14055 * gcov.c (print_version), gcov-dump.c (print_version),
14056 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14059 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14061 * df-scan.c (problem_SCAN): Added NULL reset function.
14062 (df_scan_reset_blocks): Added code to call reset block function
14063 (df_bb_refs_delete) Fixed comment.
14064 (df_insn_refs_delete): Made tolerant of deleting non existent info
14065 for dataflow problems that need to be reset.
14066 * df-core.c (df_set_blocks): Ditto.
14067 * df.h (struct df_problem): Added reset_fun.
14068 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14069 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14070 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14071 functions to clear out all references to def-use or use-def chains.
14073 2006-01-21 Ben Elliston <bje@au.ibm.com>
14075 * varasm.c (assemble_real): Initialise data array.
14077 2006-01-20 Paul Brook <paul@codesourcery.com>
14079 Merge from csl-arm-branch.
14080 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14081 * config/arm/arm.md (movdi): Force operands[1] to a register
14082 if we have a non-register source.
14083 (*arm_movdi, *movdf_soft_insn): Require that one of the
14084 operands be a register.
14085 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14086 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14088 2006-01-20 DJ Delorie <dj@redhat.com>
14090 * varasm.c (initializer_constant_valid_p): Allow pointers
14091 initialized from integer constants of lesser precision.
14092 (output_constant): Allow non-int-sized pointer modes to be
14093 initialized from integer constants.
14095 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14098 * cppdefault.h (struct default_include): Add multilib flag.
14099 * cppdefault.c (cpp_include_defaults): Set it.
14100 * c.opt (-imultilib): New option.
14101 * c-opts.c (imultilib): New.
14102 (c_common_handle_option): Handle -imultilib.
14103 (c_common_post_options): Likewise.
14104 * c-incpath.c (add_standard_paths, register_include_chains):
14106 * c-incpath.h (register_include_chains): Add extra parameter.
14107 * gcc.c (do_spec_1): Generate -imultilib option.
14108 (The Specs Language): Update %I description.
14109 (process_command): Update copyright notice.
14110 * doc/cppopts.texi (-imultilib): Document.
14111 * doc/invoke.texi (-imultilib): Include in option summary.
14112 (%I): Update specs documentation.
14114 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14116 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14118 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14120 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14123 2006-01-20 Richard Guenther <rguenther@suse.de>
14124 Steven Bosscher <stevenb.gcc@gmail.com>
14126 PR rtl-optimization/24626
14127 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14128 EDGE_TRUE_VALUE if in RTL mode.
14131 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14132 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14134 2006-01-20 Dirk Mueller <dmueller@suse.com>
14137 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14138 instead of a special NOP marker.
14139 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14140 NOP marker handling.
14141 * c-common.h (empty_body_warning): Add forward declaration.
14142 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14143 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14145 2006-01-20 Paul Brook <paul@codesourcery.com>
14147 * Makefile.in (lang_checks): Keep going if mkdir fails.
14149 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14151 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14152 be able to clean out basic block when not necessary.
14153 (df_scan_free): Fixed to properly delete information if df is
14154 unused before calling df_finish.
14155 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14156 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14158 (df_bb_refs_delete): New function.
14159 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14160 * df-core.c (df_set_blocks): Added code to properly clean out
14161 unused blocks if they are not part of the blocks to consider.
14162 Added additional null check.
14163 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14164 be able to clean out basic block when not necessary
14165 * df.h (df_free_bb_function): Ditto.
14166 (df_bb_refs_delete): New function.
14167 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14168 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14169 basic block parameter to be able to clean out basic block when not
14171 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14172 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14173 Fixed to properly delete information if df is unused before
14176 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14178 PR rtl-optimization/25799
14179 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14180 Corrected confluence operator to remove bits from op2 before oring
14181 with op1 rather than removing bits from op1.
14182 (df_ru_transfer_function): Corrected test on wrong bitmap which
14183 caused infinite loop. Both of these problems were introduced in
14184 the dataflow rewrite.
14186 2006-01-19 DJ Delorie <dj@redhat.com>
14188 * reload1.c (find_reload_regs): Note the details of reload
14189 failures in the dump file.
14190 (spill_failure): Likewise.
14192 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14194 * loop-iv.c: Include df.h and hashtab.h.
14195 (enum iv_grd_result): New enum.
14196 (DF_REF_IV, DF_REF_IV_SET): New macros.
14197 (struct biv_entry): New.
14198 (df, bivs): New global variables.
14199 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14200 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14202 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14203 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14204 analyzed_for_bivness_p, record_biv): New functions.
14205 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14206 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14207 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14209 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14211 (iv_number_of_iterations): Use new interface to iv analysis.
14212 * loop-unroll.c: Do not include varray.h.
14213 (analyze_iv_to_split_insn): Use new interface to iv
14215 * loop-unswitch.c (may_unswitch_on): Ditto.
14216 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14218 (df_bb_modify): Realloc tables to the new index.
14219 (df_find_use): New function.
14220 * df.h (df_find_use): Declare.
14221 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14223 * cfgloop.h (struct rtx_iv): Remove analysed field.
14224 (iv_get_reaching_def): Removed.
14225 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14226 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14227 (loop-iv.o): Add df.h and hashtab.h dependency.
14228 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14230 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14233 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14235 (__floatundisf, __floatundidf): Likewise.
14236 * libgcc2.h (IS_IBM_EXTENDED): Define.
14238 2006-01-19 DJ Delorie <dj@redhat.com>
14240 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14242 2006-01-19 Paul Brook <paul@codesourcery.com>
14244 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14245 as nothrow when unwinding tables are disabled.
14247 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14250 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14251 of bit-field" when in system header.
14253 2006-01-19 DJ Delorie <dj@redhat.com>
14255 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14256 the 16 bit shift limit of the m16c.
14258 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14261 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14262 * config/i386/i386.c (output_set_got): Output the label if we have one
14263 for the TARGET_DEEP_BRANCH_PREDICTION case.
14265 2006-01-19 Jan Hubicka <jh@suse.cz>
14266 H.J. Lu <hongjiu.lu@intel.com>
14267 Evandro Menezes <evandro.menezes@amd.com>
14269 * invoke.texi (generic): Document
14271 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14272 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14273 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14274 (x86_use_incdec, x86_pad_returns): New variables
14275 (TARGET_CPU_DEFAULT_generic): New constant
14276 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14277 (enum processor_type): Add generic32 and generic64.
14278 * i386.md (cpu attribute): Add generic32/generic64
14279 (movhi splitter): Behave sanely when both partial_reg_dependency and
14280 partial_reg_stall are set.
14281 (K8 splitters): Enable for generic as well.
14282 * predicates.md (incdec_operand): Use TARGET_INCDEC
14283 (aligned_operand): Avoid memory mismatch stalls.
14284 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14285 * ppro.md: Enable for generic32
14286 * i386.c (generic64_cost, generic32_cost): New.
14287 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14288 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14289 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14290 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14291 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14292 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14293 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14294 x86_accumulate_outgoing_args, x86_prologue_using_move,
14295 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14296 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14297 Enable for generic.
14298 (x86_use_incdec, x86_pad_returns): New.
14299 (override_options): Add generic32 and generic64, translate "generic"
14300 to generic32/generic64 and "i686" to "generic32", refuse
14301 "generic32"/"generic64" as arch target.
14302 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14303 (ix86_reorg): Honor PAD_RETURNS.
14305 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14307 * tree-pretty-print.c (dump_generic_node): Handle
14308 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14309 * cgraph.c (cgraph_expand_queue): Rename from
14310 cgraph_analyze_queue. Update all users.
14311 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14312 cgraph_expand_queue.
14313 (cgraph_expand_all_functions): Likewise.
14314 (cgraph_finalize_pending_functions): Remove. Update callers.
14316 * tree.h (OMP_DIRECTIVE_P): Define.
14317 (OMP_PARALLEL_FN): Define.
14318 (OMP_PARALLEL_DATA_ARG): Define.
14319 (OMP_SECTIONS_SECTIONS): Define.
14320 * tree-pass.h (pass_expand_omp): Declare.
14321 * omp-low.c (struct omp_region): Declare.
14322 (struct omp_context): Remove fields 'parallel_type',
14323 'parallel_start_ix' and 'parallel_start_additional_args'.
14325 (struct omp_for_data): Rename from struct expand_omp_for_data.
14326 (omp_regions): New static variable.
14327 (root_omp_region): New static variable.
14328 (find_omp_clause): Make static.
14329 (is_in_combined_parallel_ctx): Remove.
14330 (is_combined_parallel): New.
14331 (extract_omp_for_data): Move earlier in the file.
14332 (workshare_safe_to_combine_p): New.
14333 (get_ws_args_for): New.
14334 (determine_parallel_type): Move earlier in the file.
14335 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14337 (omp_copy_decl): Likewise.
14338 (create_omp_child_function): Likewise.
14339 (lookup_omp_region): New.
14340 (dump_omp_region): New.
14341 (debug_omp_region): New.
14342 (debug_all_omp_regions): New.
14343 (new_omp_region): New.
14344 (scan_omp_parallel): If parallel_nesting_level > 1, the
14345 directive is nested within another parallel directive.
14346 Set OMP_PARALLEL_FN.
14347 (scan_omp_for): Do not try to handle combined parallel+for
14349 Remove FIXME comment.
14350 (scan_omp_nested): Remove.
14351 (scan_omp_1): Do not call scan_omp_nested when
14352 parallel_nesting_level is > 1.
14353 Do not change the DECL_CONTEXT of local variables found.
14354 (lookup_decl_in_outer_ctx): New.
14355 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14356 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14357 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14358 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14359 If CTX is nested, lookup VAR in the outer context when
14360 building copy assignment.
14361 (lower_send_clauses): Rename from expand_send_clauses.
14362 If CTX is nested, lookup VAR in the outer context when
14363 building copy assignments.
14364 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14365 If CTX is nested, lookup VAR in the outer context when
14366 building copy assignments.
14367 (expand_parallel_call): Rename from build_parallel_call.
14368 Handle combined parallel+workshare cases.
14369 Re-implement to emit code into the CFG.
14371 (expand_omp_parallel): Re-implement to emit code into the CFG.
14372 Call move_sese_region_to_fn to outline the sub-graph
14373 containing the parallel region.
14374 (expand_omp_for_1): Remove.
14375 (expand_omp_for_generic): Re-implement to emit code into the
14377 (expand_omp_for_static_nochunk): Likewise.
14378 (expand_omp_for_static_chunk): Likewise.
14379 (expand_omp_for): Likewise.
14380 (expand_omp_sections): Likewise.
14381 (remove_exit_barriers): New.
14382 (expand_omp_synch): New.
14384 (build_omp_regions_1): New.
14385 (build_omp_regions): New.
14386 (execute_expand_omp): New.
14387 (gate_expand_omp): New.
14388 (pass_expand_omp): Define.
14389 (lower_omp_sections): Rename from expand_omp_sections.
14390 Set OMP_SECTIONS_SECTIONS.
14391 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14392 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14393 (lower_omp_single): Rename from expand_omp_simple.
14394 (lower_omp_master): Rename from expand_omp_master.
14395 (lower_omp_ordered): Rename from expand_omp_ordered.
14396 (lower_omp_critical): Rename from expand_omp_critical.
14397 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14398 (lower_omp_for): Re-implement.
14399 (lower_omp_parallel): Re-implement.
14400 (lower_regimplify): Rename from expand_regimplify.
14401 (lower_omp_1): Rename from expand_omp_1.
14402 If there are syntax errors in the program, replace every
14403 OpenMP directive with NOP.
14404 Call lower_omp_* instead of expand_omp_*.
14405 (lower_omp): Rename from expand_omp.
14407 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14408 * tree-gimple.h (enum omp_parallel_type): Remove.
14409 (gimple_boolify): Declare extern.
14410 (find_omp_clause, determine_parallel_type): Remove.
14412 * gimple-low.c (lower_omp_directive): New.
14413 (lower_stmt): Call it.
14414 (record_vars_into): Move from ...
14415 (record_vars): ... here.
14416 Call record_vars_into with current_function_decl.
14418 * gimplify.c (struct gimplify_ctx): Remove fields
14419 combined_pre_p and combined_ctxp. Update users.
14420 (get_formal_tmp_var): Add documentation.
14421 (gimple_boolify): Make extern.
14422 (gimplify_expr_in_ctx): Remove. Update callers.
14423 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14424 will always be a BIND_EXPR.
14425 (gimplify_expr): Handle OMP_RETURN_EXPR.
14426 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14427 (OMP_PARALLEL): Add 3 operands.
14428 (OMP_SECTIONS): Add 1 operand.
14429 (OMP_RETURN_EXPR): Define.
14431 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14432 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14433 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14434 creating a circular free list.
14435 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14437 * tree-flow.h (move_sese_region_to_fn): Declare.
14438 (record_vars_into): Declare.
14439 * tree-cfg.c (make_omp_sections_edges): New.
14440 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14441 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14442 OMP_SECTIONS and OMP_SECTION.
14443 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14444 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14445 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14446 (gather_blocks_in_sese_region): New.
14447 (struct move_stmt_d): Declare.
14448 (move_stmt_r): New.
14449 (move_block_to_fn): New.
14450 (move_sese_region_to_fn): New.
14452 * passes.c (init_optimization_passes): Schedule
14453 pass_expand_omp after pass_init_datastructures.
14455 * tree-ssa-operands.c (get_expr_operands): Handle
14456 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14457 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14459 2006-01-19 Jeff Law <law@redhat.com>
14461 * tree-vrp.c (extract_range_from_assert): Refine the result range
14462 if the variable referenced by the ASSERT_EXPR has a range and
14463 either the tentative result range or the previous range is a
14466 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14468 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14470 2006-01-19 Jan Hubicka <jh@suse.cz>
14472 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14474 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14476 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14477 (expand_compound_operation, expand_field_assignment): Fail if the
14478 bit lengths of an extract operation are out of range.
14479 (make_extraction): Compute wanted_inner_mode based on the position
14480 and length of the extraction. Make it extraction_mode for non-constant
14481 positions, and do not modify offset in that case. When generating a
14482 new MEM, use a mode that can hold the extraction while keeping correct
14483 alignment. Remove code that supported MEMs wrapped by USEs.
14484 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14486 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14488 * config/s390/s390.md ("Y", "y"): New mode attribute.
14489 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14490 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14491 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14492 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14493 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14494 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14495 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14496 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14497 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14498 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14499 "addsi3", "subsi3"): Insn patterns removed.
14500 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14501 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14502 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14503 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14504 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14505 "*sub<mode>3_cconly2"): New insn patterns.
14506 ("addsi3", "subsi3"): New expanders.
14508 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14510 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14511 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14512 existing STMT_VINFO_VECTYPE if available.
14513 (vect_mark_relevant): Add special handling for stmts that are
14514 marked as STMT_VINFO_IN_PATTERN_P.
14515 (vect_analyze_loop): Call vect_pattern_recog.
14516 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14517 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14519 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14520 (vect_recog_func_ptr): New function-pointer type.
14521 * tree-vect-patterns.c: New file.
14522 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14523 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14524 (vect_pattern_recog_1): New functions.
14525 (vect_pattern_recog_funcs): New array of function pointers.
14527 * tree-vectorizer.h (ternary_op): New enum value.
14528 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14529 declaration. Revised documentation. Removed redundant dump prints.
14530 Removed redundant argument. Added support for reduction patterns.
14531 (vectorizable_reduction): Added support for reduction patterns.
14532 (vect_transform_stmt): Added support for patterns.
14534 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14535 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14536 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14537 (expand_widen_pattern_expr): New function.
14538 (init_optabs): Initialize new optabs udot_prod_optab,
14540 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14541 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14542 (expand_widen_pattern_expr): New function declaration.
14543 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14545 * tree-inline.c (estimate_num_insns_1): Added cases for new
14546 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14547 * tree-pretty-print.c (dump_generic_node): Likewise.
14548 (op_prio): Likewise.
14549 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14550 * tree-ssa-operands.c (get_expr_operands): Added case for
14552 * tree-vect-patterns.c (widened_name_p): New function.
14553 (vect_recog_dot_prod_pattern): Added function implementation.
14554 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14555 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14556 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14557 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14559 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14560 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14561 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14562 (init_optabs): Initialize new optabs widen_ssum_optab,
14564 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14565 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14566 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14567 use instead of type of def.
14568 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14569 function implementation.
14570 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14571 widen_ssumv8hi): New.
14573 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14576 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14579 * c-decl.c (add_flexible_array_elts_to_size): New function.
14580 (finish_decl): Use it.
14582 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14584 * diagnostic.h: Include options.h.
14585 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14586 dependancies for diagnostic.h.
14587 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14589 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14591 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14592 (ssa_ro_call_cache_valid): Ditto.
14593 * tree-ssa-alias.c (sort_tags_by_id): New function.
14594 (init_transitive_clobber_worklist): Ditto.
14595 (add_to_worklist): Ditto.
14596 (mark_aliases_call_clobbered): Ditto.
14597 (compute_tag_properties): Ditto.
14598 (set_initial_properties): Ditto.
14599 (compute_call_clobbered): Ditto.
14600 (compute_may_aliases): Call compute_call_clobbered and grouping.
14601 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14602 (compute_flow_insensitive_aliasing): Grouping now happens in our
14604 (setup_pointers_and_addressables): Remove clobbering related code.
14605 (add_may_alias): Ditto.
14606 (replace_may_alias): Ditto.
14607 (get_nmt_for): Ditto.
14608 (create_global_var):
14609 (is_escape_site): Return an escape_type enumeration.
14610 * tree-flow-inline.h (is_call_clobbered): Global var does not
14611 imply call clobbered.
14612 (mark_call_clobbered): Take a reason for marking this. Remove
14613 marking of globalness, and cache invalidation.
14614 (clear_call_clobbered): Remove cache invalidation code.
14615 * tree-dfa.c (dump_variable): If details is on, dump the reason
14617 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14619 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14620 (struct var_ann_d): Ditto.
14621 (enum escape_type): New.
14622 (mark_call_clobbered): Adjust prototype.
14623 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14624 are never call clobbered.
14625 Record reasons for escaping.
14626 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14627 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14628 (ssa_ro_call_cache_valid): Ditto.
14629 (clobbered_v_may_defs): Ditto.
14630 (clobbered_vuses): Ditto.
14631 (ro_call_vuses): Ditto.
14632 (clobber_stats): New.
14633 (init_ssa_operands): Zero out clobber stats.
14634 (fini_ssa_operands): Print out clobber stats.
14635 (get_call_expr_operands): Pass callee fndecl to
14636 add_call_read_ops).
14637 (add_call_clobber_ops): Remove use of cache.
14638 Add use of PURE_CONST information.
14639 (add_call_read_ops): Remove use of cache.
14640 Add use of static not_read information.
14642 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14644 Introduce TLS descriptors for i386 and x86_64.
14645 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14646 (TARGET_ANY_GNU_TLS): New macro.
14647 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14648 (struct machine_function): Add tls_descriptor_call_expanded_p.
14649 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14650 (ix86_current_function_calls_tls_descriptor): Likewise.
14651 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14652 (override_options): Introduce gnu2 tls dialect.
14653 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14655 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14657 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14658 (ix86_init_machine_status): Initialize new field.
14659 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14660 (ix86_tls_module_base): New.
14661 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14662 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14663 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14664 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14665 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14666 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14667 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14668 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14669 * config/i386/predicates.md (tls_modbase_operand): New.
14670 (tp_or_register_operand): New.
14672 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14674 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14675 (look_for_address_of): Ditto.
14676 (ipa_init): Walk the function decls.
14677 (static_execute): Don't set readonly on FUNCTION_DECL's.
14679 2006-01-18 Roger Sayle <roger@eyesopen.com>
14681 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14682 for shifts where the source and destination registers are different.
14684 2006-01-18 Paul Brook <paul@codesourcery.com>
14686 Merge from csl-arm-branch.
14687 2005-03-14 Julian Brown <julian@codesourcery.com>
14688 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14689 (aeabi_llsl): Likewise.
14690 (ashrdi3): Likewise.
14691 (aeabi_lasr): Likewise.
14692 (lshrdi3): Likewise.
14693 (aeabi_llsr): Likewise.
14694 2005-03-10 Julian Brown <julian@codesourcery.com>
14695 * config.gcc: Disable shared libgcc for SymbianOS.
14696 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14698 2006-01-18 DJ Delorie <dj@redhat.com>
14700 * c-pragma.c (handle_pragma_diagnostic): New.
14701 (init_pragma): Register it.
14702 * doc/extend.texi: Document it.
14704 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14705 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14706 (diagnostic_context): Add classify_diagnostic[].
14707 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14708 as errors if they're overridden to DK_WARNING.
14709 (diagnostic_initialize): Initialize classify_diagnostic[].
14710 (diagnostic_set_kind_override): New.
14711 (diagnostic_report_diagnostic): Check for kind changes.
14712 * opts.c (common_handle_option): Take lang_mask. Update callers.
14713 Handle OPT_Werror_.
14714 * common.opt (Werror=): New.
14715 * doc/invoke.texi: Document -Werror=*
14717 2006-01-18 Jeff Law <law@redhat.com>
14719 * tree-vrp.c (test_for_singularity): Correct test for new
14720 min limit. Use operand_equal_p rather than pointer equality
14721 for testing if new min/max values are equal.
14723 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14724 using range information until after propagation and folding.
14726 2006-01-18 Richard Henderson <rth@redhat.com>
14727 Aldy Hernandez <aldyh@redhat.com>
14728 Jakub Jelinek <jakub@redhat.com>
14729 Diego Novillo <dnovillo@redhat.com>
14731 * omp-low.c: New file.
14732 * c-omp.c: New file.
14734 2006-01-18 Richard Henderson <rth@redhat.com>
14735 Jakub Jelinek <jakub@redhat.com>
14736 Diego Novillo <dnovillo@redhat.com>
14738 * doc/invoke.texi: Document -fopenmp.
14739 * tree-dump.h (debug_function): Declare.
14740 * hooks.c (hook_bool_tree_bool_false): New function.
14741 (hook_tree_tree_null): Remove.
14742 (hook_tree_tree_tree_null): New.
14743 * hooks.h: Update to match.
14744 * tree-pretty-print.c (debug_tree_chain): New.
14745 (print_generic_expr): Handle TDF_CHAIN.
14746 (dump_generic_node): Handle BLOCK.
14747 Do not abort with incomplete SWITCH_EXPRs.
14748 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14749 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14750 print space after directive name.
14751 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14752 Handle OMP_MASTER and OMP_ORDERED.
14753 Handle printing of OMP_BODY just in one place, goto
14754 dump_omp_body in the rest of OMP_* nodes that have
14756 Don't handle clause nodes here. Update omp statements to
14757 use dump_omp_clauses.
14758 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14759 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14760 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14761 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14762 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14763 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14764 Adjust output for GOMP_PARALLEL.
14765 (dump_omp_clauses): New.
14766 (print_declaration): Dump DECL_VALUE_EXPR.
14767 (op_symbol_1): Split out of op_symbol.
14768 (dumping_stmts): Remove. Update all users.
14769 * cgraph.c (cgraph_analyze_queue): New.
14770 (cgraph_add_new_function): New.
14771 * cgraph.h (cgraph_analyze_queue): Declare.
14772 (cgraph_add_new_function): Declare.
14773 (cgraph_lower_function): Remove.
14774 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14775 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14776 and TYPE_P nodes in its default clause.
14777 (empty_body_p): New.
14778 (tree_range_check_failed): New.
14779 (build5_stat): New.
14780 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14781 OMP_CLAUSE_REDUCTION_MERGE,
14782 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14783 OMP_CLAUSE_PRIVATE_DEBUG,
14784 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14785 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14786 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14787 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14788 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14789 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14790 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14791 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14792 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14793 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14794 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14795 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14796 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14797 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14798 (TREE_RANGE_CHECK): New.
14799 (empty_body_p): Declare.
14800 (enum omp_clause_default_kind): New.
14801 (build_string_literal): Declare.
14802 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14803 (build5_stat, build5): Declare.
14804 * tree-pass.h (TDF_CHAIN): Define.
14805 * tree-pass.h (PROP_gimple_lomp): Define.
14806 (pass_lower_omp): Declare.
14807 * diagnostic.h (debug_tree_chain): Declare.
14808 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14810 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14811 * builtins.c (build_string_literal): Make extern.
14812 * gcc.c (include_spec_function): New.
14813 (static_spec_functions): Add it.
14814 (main): Move load of libgomp.spec ...
14815 (LINK_COMMAND_SPEC): ... here.
14816 (link_gomp_spec): New.
14817 (static_specs): Include it.
14818 (LINK_COMMAND_SPEC): Add link_gomp.
14819 (GOMP_SELF_SPECS): New.
14820 (driver_self_specs): Include it.
14821 (switch_matches): Don't mark inline.
14822 (main): Load libgomp.spec.
14823 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14824 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14825 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14826 * tree-gimple.h (enum omp_parallel): Declare.
14827 (determine_parallel_type): Declare.
14828 (omp_firstprivatize_variable): Declare.
14829 (omp_reduction_init): Declare.
14830 (diagnose_omp_structured_block_errors): Declare.
14831 (struct walk_stmt_info): Add want_return_expr.
14832 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14833 (find_omp_clause): Declare.
14834 (insert_field_into_struct): Declare.
14835 (struct walk_stmt_info): Move from tree-nested.c
14836 (walk_stmts): Declare.
14837 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14839 * cgraphunit.c (cgraph_lower_function): Make static.
14840 (cgraph_finalize_pending_functions): New.
14841 (cgraph_finalize_function): Call it.
14842 (cgraph_finalize_compilation_unit): Likewise.
14843 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14844 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14845 (BT_FN_UINT_UINT): New.
14846 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14847 DEF_FUNCTION_TYPE_VAR_4): Document.
14848 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14849 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14850 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14851 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14852 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14853 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14854 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14855 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14856 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14857 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14858 into separate files.
14859 (DEF_GOMP_BUILTIN): New.
14860 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14861 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14862 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14863 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14864 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14865 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14866 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14867 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14868 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14869 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14870 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14871 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14872 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14873 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14874 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14875 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14876 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14877 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14878 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14879 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14880 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14881 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14882 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14883 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14884 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14885 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14886 * sync-builtins.def: New file, moved from builtins.def.
14887 * omp-builtins.def: New file, moved from builtins.def.
14888 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14889 * gimple-low.c (lower_function_body): Clear data.
14890 (lower_stmt): Do not handle COMPOUND_EXPR.
14891 Remove call to print_node_brief.
14892 * c-tree.h (c_finish_omp_clauses): New prototype.
14893 (C_DECL_THREADPRIVATE_P): Define.
14894 (lookup_name_no_remap, c_omp_remap_private): Remove
14895 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14896 (check_for_loop_decls): Update decl.
14897 (lookup_name_no_remap, c_omp_remap_private): Declare.
14898 (build_indirect_ref, build_modify_expr, pushdecl,
14899 pushdecl_top_level): Move to c-common.h.
14900 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14901 before the switch, but just in the 2 places that need it.
14902 * c-decl.c (diagnose_mismatched_decls): Do not check for
14903 mismatched thread-local attributes when OLDDECL is marked
14904 threadprivate and NEWDECL has no thread-local attributes.
14905 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14906 (c_gimple_diagnostics_recursively): Rename from
14907 c_warn_unused_result_recursively. Invoke
14908 diagnose_omp_structured_block_errors.
14909 (check_for_loop_decls): Return a singular decl found.
14910 * langhooks.c (lhd_omp_predetermined_sharing): Return
14911 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14912 (lhd_omp_firstprivatize_type_sizes): New.
14913 (lhd_omp_assignment): New.
14914 (lhd_omp_predetermined_sharing): New.
14915 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14916 (struct lang_hooks_for_types): Add
14917 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14918 omp_predetermined_sharing, omp_disregard_value_expr,
14919 omp_private_debug_clause, omp_clause_default_ctor,
14920 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14921 (c_finish_omp_clauses): New.
14922 (c_finish_bc_stmt): Diagnose break within omp for.
14923 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14924 (build_unary_op): Return error_mark after reporting
14926 (build_modify_expr): Likewise.
14927 * gimplify.c: Include optabs.h and pointer-set.h.
14928 (enum gimplify_omp_var_data): Declare.
14929 (struct gimplify_omp_ctx): Declare.
14930 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14932 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14933 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14934 (splay_tree_compare_decl_uid): New.
14935 (new_omp_context): New.
14936 (delete_omp_context): New.
14937 (gimple_add_tmp_var): Call omp_add_variable.
14938 (gimplify_bind_expr): Likewise.
14939 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14940 true, disregard DECL_VALUE_EXPR on the decl if any.
14941 (gimplify_expr_in_ctx): New.
14942 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14943 omp_add_variable, omp_notice_variable, omp_is_private
14944 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14945 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14946 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14947 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14948 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14949 gimplify_omp_atomic): New.
14950 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14951 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14952 OMP_CRITICAL and OMP_ATOMIC.
14953 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14954 * c-pragma.h (enum pragma_kind): Add
14955 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14956 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14957 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14958 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14959 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14960 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14961 PRAGMA_OMP_THREADPRIVATE.
14962 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14963 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14964 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14965 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14966 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14967 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14968 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14969 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14970 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14971 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14972 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14973 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14974 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14976 (struct nesting_info): Add field_map,
14977 suppress_expansion, debug_var_chain.
14978 (create_nesting_tree): Initialize them.
14979 (lookup_field_for_decl): Use field_map.
14980 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14981 (convert_local_omp_clauses): New.
14982 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14983 (walk_body): Split out of walk_function.
14984 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14985 (convert_nonlocal_reference): Handle omp statements.
14986 (convert_local_reference): Likewise.
14987 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14988 (unnest_nesting_tree): New.
14989 (lower_nested_functions): Call it.
14990 (insert_field_into_struct): Make extern.
14991 (struct walk_stmt_info): Move to tree-gimple.h.
14992 (walk_stmts): Make extern.
14993 * omp-builtins.def: New file.
14994 * tree-iterator.c (expr_only): Clarify comment.
14995 * c-common.h (pushdecl_top_level, pushdecl,
14996 build_modify_expr, build_indirect_ref,
14997 c_finish_omp_master, c_finish_omp_critical,
14998 c_finish_omp_ordered, c_finish_omp_barrier,
14999 c_finish_omp_atomic, c_finish_omp_flush,
15000 c_finish_omp_for, c_split_parallel_clauses,
15001 omp_clause_default_kind, c_omp_sharing_predetermined,
15002 c_omp_remap_decl): Declare.
15003 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15004 (OBJS-common): Add omp-low.o.
15005 (c-omp.o, omp-low.o): Add.
15006 (gimplify.o): Add dependency on $(OPTABS_H).
15007 (GTFILES): Add omp-low.c.
15008 (gt-stringpool.h): Add.
15009 * tree-cfg.c (set_bb_for_stmt): Do not update the
15010 block-to-labels map if we are currently expanding to RTL.
15011 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15013 Handle IDENTIFIER_NODE.
15014 (tree_verify_flow_info): Do not ICE when emitting error
15015 messages about invalid labels.
15016 (dump_function_to_file): Reset CFUN before emitting the body
15018 (debug_function): New.
15019 * passes.c (init_optimization_passes): Schedule
15021 * langhooks-def.h (lhd_omp_predetermined_sharing,
15022 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15024 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15025 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15026 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15027 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15028 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15029 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15030 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15031 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15032 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15033 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15034 (LANG_HOOK_DECLS): Use them.
15036 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15037 Richard Henderson <rth@redhat.com>
15038 Jakub Jelinek <jakub@redhat.com>
15039 Diego Novillo <dnovillo@redhat.com>
15041 * c-parser.c (pragma_omp_clause): Define.
15042 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15043 (c_parser_compound_statement): Likewise.
15044 (c_parser_statement): Likewise.
15045 (c_parser_pragma): Handle omp pragmas.
15046 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15047 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15048 (c_parser_omp_clause_name, check_no_duplicate_clause,
15049 c_parser_omp_variable_list,
15050 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15051 c_parser_omp_clause_copyprivate,
15052 c_parser_omp_clause_default,
15053 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15054 c_parser_omp_clause_lastprivate,
15055 c_parser_omp_clause_nowait,
15056 c_parser_omp_clause_num_threads,
15057 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15058 c_parser_omp_clause_reduction,
15059 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15060 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15061 c_parser_omp_atomic, c_parser_omp_barrier,
15062 c_parser_omp_critical, c_parser_omp_flush,
15063 c_parser_omp_for_loop, c_parser_omp_for,
15064 c_parser_omp_master, c_parser_omp_ordered,
15065 c_parser_omp_sections_scope, c_parser_omp_sections,
15066 c_parser_omp_parallel, c_parser_omp_single,
15067 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15068 * c-pragma.c (init_pragma): Do omp pragma registration here.
15069 * c.opt (fopenmp): New flag.
15071 2006-01-18 Eric Christopher <echristo@apple.com>
15073 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15074 * config/darwin.h (GOMP_SELF_SPECS): Define.
15076 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15078 * rtl.h: Remove the prototype for reg_alloc.
15080 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15083 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15084 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15085 sjlj and dwarf2 exception handling.
15086 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15087 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15088 * pa/pa.c (function_value): Treat complex and vector types as
15090 (function_arg): Likewise. Only pass scalar floats in the floating
15091 point argument registers.
15092 * pa/t-slibgcc-dwarf-ver: New file.
15093 * pa/t-slibgcc-sjlj-ver: New file.
15094 * pa/t-slibgcc-elf-ver: Delete file.
15096 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15098 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15099 unlikely_test_section_p test.
15101 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15103 * mode-switching.c (optimize_mode_switching): Make it static.
15104 * basic-block.h: Remove the prototype for
15105 optimize_mode_switching.
15107 * modulo-sched.c (sms_schedule): Make it static.
15108 * rtl.h: Remove the prototype for sms_schedule.
15110 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15111 * rtl.h: Remove the prototype for gcse_after_reload_main.
15113 * reg-stack.c (reg_to_stack): Make it static.
15114 * rtl.h: Remove the prototype for reg_to_stack.
15116 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15118 * rtl.h: Remove the prototypes for regrename_optimize and
15119 copyprop_hardreg_forward.
15121 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15123 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15124 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15125 Test against the appropriate null constant for the mode.
15126 If 'fixup_overlap' is true, swap the operands if they overlap.
15127 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15128 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15129 alpha_split_tmode_pair and adjust for above change.
15130 * config/alpha/alpha.md (movtf_internal): Adjust call to
15131 alpha_split_tfmode_pair and rely on it to swap the operands.
15132 (movti_internal): New insn and post-reload splitter.
15133 (movti): New expander.
15135 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15137 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15140 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15142 * rtlanal.c (global_reg_mentioned_p_1,
15143 global_reg_mentioned_p): Remove.
15144 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15146 * flow.c (initialize_uninitialized_subregs): Make it static.
15147 * rtl.h: Remove the prototype for
15148 initialize_uninitialized_subregs.
15150 * function.c (instantiate_virtual_regs): Make it static.
15151 * function.h: Remove the prototype for
15152 instantiate_virtual_regs.
15154 * regmove.c (regmove_optimize, combine_stack_adjustments):
15156 * rtl.h: Remove the prototypes for regmove_optimize and
15157 combine_stack_adjustments.
15159 2006-01-17 Roger Sayle <roger@eyesopen.com>
15161 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15162 (size_cost): Encode costs in bytes so that a reg-reg addition is
15163 equivalent to COSTS_N_INSNS(1).
15164 (override_options): Use the size_cost.branch_cost as the default
15165 ix86_branch_cost when optimizing for size.
15167 2006-01-18 Ben Elliston <bje@au.ibm.com>
15169 * Makefile.in (D32PBIT_FUNCS): New.
15170 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15171 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15172 D64PBIT_FUNCS and D128PBIT_FUNCS.
15173 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15174 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15176 (decnumber_dep): Define.
15177 * doc/libgcc.texi (Decimal float library routines): New node.
15178 * config/dfp-bit.h, config/dfp-bit.c: New files.
15180 2006-01-18 Ben Elliston <bje@au.ibm.com>
15182 * expr.c (emit_move_change_mode): Always adjust addresses, not
15183 just during reload. Copy replacements only during reload.
15184 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15185 emit_move_via_integer.
15187 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15189 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15190 instead of $(srcdir) and ${srcdir}.
15192 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15195 PR middle-end/11135
15196 * arm.h (struct machine_function): Add pic_reg.
15197 * arm.c (arm_pic_register): Make unsigned.
15198 (arm_override_options): Only set arm_pic_register if
15199 TARGET_SINGLE_PIC_BASE.
15200 (use_return_insn): Only test for a pic register if it is fixed.
15201 (arm_compute_save_reg0_reg12_mask): Likewise.
15202 (thumb_compute_save_reg_mask): Likewise.
15203 (legitimate_pic_operand): Factor out some known invariants.
15204 (legitimize_pic_address): If we don't have a fixed pic register,
15205 then set up a pseudo in the function entry sequence. Handle the
15206 pic base being in a pseudo.
15207 (arm_load_pic_register): Handle the pic register being in a pseudo.
15208 (arm_expand_prologue): Only set up the pic register if it is fixed.
15209 (thumb_expand_prologue): Likewise.
15210 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15211 (pic_load_addr_based_insn): Likewise.
15212 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15215 2006-01-18 Ben Elliston <bje@au.ibm.com>
15217 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15218 decimal float modes for all floating point registers.
15220 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15221 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15223 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15226 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15227 even when the pointer is not NULL.
15229 2006-01-16 Ian Lance Taylor <ian@airs.com>
15231 * common.opt (ftoplevel-reorder): New option.
15232 * cgraph.c (cgraph_asm_nodes): New global variable.
15233 (cgraph_asm_last_node): New static variable.
15234 (cgraph_order): New global variable.
15235 (cgraph_create_node): Set new order field.
15236 (cgraph_varpool_node): Likewise.
15237 (decide_is_variable_needed): Return true if not
15238 flag_toplevel_reorder.
15239 (cgraph_add_asm_node): New function.
15240 * cgraph.h (struct cgraph_node): Add order field.
15241 (struct cgraph_varpool_node): Add order field.
15242 (struct cgraph_asm_node): Define.
15243 (cgraph_asm_nodes, cgraph_order): Declare.
15244 (cgraph_add_asm_node): Declare.
15245 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15247 (cgraph_varpool_assemble_pending_decls): Call it.
15248 (cgraph_output_pending_asms): New static function.
15249 (cgraph_finalize_compilation_unit): Call it.
15250 (struct cgraph_order_sort): Define.
15251 (cgraph_output_in_order): New static function.
15252 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15253 !flag_toplevel_reorder case.
15254 * c-parser.c: Include "cgraph.h".
15255 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15257 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15258 than -fno-unit-at-a-time.
15259 * doc/invoke.texi (Option Summary): Mention
15260 -fno-toplevel-reorder.
15261 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15262 -funit-at-a-time documentation.
15264 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15265 Kazu Hirata <kazu@codesourcery.com>
15267 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15269 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15271 * Makefile.in (FUNCTION_H): New. Use it instead of
15272 function.h throughout the file.
15273 * function.h: Include tree.h.
15275 2006-01-17 Ben Elliston <bje@au.ibm.com>
15277 * recog.c: Separate some functions with whitespace.
15279 2006-01-16 Richard Henderson <rth@redhat.com>
15281 Merge from gomp branch:
15282 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15283 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15284 and rename from struct inline_data. Rename callee* to dst*;
15285 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15286 transform_new_cfg, transform_return_to_modify, and
15287 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15289 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15290 (copy_decl_for_dup): Remove.
15291 * tree-inline.c (struct inline_data): Move to header.
15292 (insert_decl_map): Export.
15293 (remap_decl): Update for member name changes. Use copy_decl hook.
15294 Allow for replacement to be a non-decl. Remove dead code.
15295 (remap_type_1): Check for existing mapping.
15296 (remap_type): Export.
15297 (remap_decls): Update for member name changes.
15298 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15299 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15300 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15301 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15302 (tree_function_versioning, build_duplicate_type): Likewise.
15303 (copy_body_r): Likewise. Export.
15304 (copy_decl_for_dup): Split into ...
15305 (copy_decl_for_dup_finish, copy_decl_to_var,
15306 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15307 (replace_ref_tree, inlining_p): Remove.
15309 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15311 * ifcvt.c (if_convert): Make it static.
15312 * rtl.h: Remove the prototype for if_convert.
15314 * local-alloc.c (local_alloc): Make it static.
15315 * rtl.h: Remove the prototype for local_alloc.
15317 * loop.c (loop_optimize): Make it static.
15318 * cfgloop.h: Remove the prototype for loop_optimize.
15321 2006-01-16 DJ Delorie <dj@redhat.com>
15323 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15326 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15328 * pa.md: Disparage copies between general and floating-point registers
15329 in 32-bit move patterns.
15331 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15334 * Makefile.in (check-%): Depend on site.exp instead of
15335 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15338 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15340 * global.c (global_alloc): Make it static.
15341 * rtl.h: Remove the prototype for global_alloc.
15343 2006-01-16 Richard Guenther <rguenther@suse.de>
15345 * tree-ssa-alias.c (struct used_part): Add write_only field.
15346 (get_or_create_used_part_for): Initialize it to true.
15347 (create_overlap_variables_for): Don't create structure variables
15348 for structures that only are written to.
15349 (find_used_portions): Handle MODIFY_EXPR to track whether a
15350 structure is only written to.
15352 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15354 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15356 * basic-block.h: Remove the prototype for
15357 partition_hot_cold_basic_blocks.
15359 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15361 * cppspec.c (lang_specific_spec_functions): Remove.
15362 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15363 * gcc.h (lang_specific_spec_functions): Remove.
15364 * gccspec.c (lang_specific_spec_functions): Remove.
15366 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15368 * combine.c (record_value_for_reg): Invalidate registers
15370 (record_dead_and_set_regs_1): Likewise, by passing them to
15371 record_value_for_reg.
15372 (record_dead_and_set_regs): Invalidate stores made by a
15373 call. We do not combine across a call, but we still
15374 relied on equivalences.
15376 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15378 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15379 vrp_int_const_binop returning non-constant nodes.
15381 2006-01-16 Paul Brook <paul@codesourcery.com>
15383 * config/m68k/m68k.c (output_move_const_into_data_reg):
15384 Output correct mnemonic for mvz and mvs.
15386 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15388 * rtl-factoring.c: Add sequence abstraction algorithm.
15389 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15390 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15392 (block_has_preserve_label): New function.
15393 * common.opt: Register new pass.
15394 * Makefile.in: Ditto.
15396 * timevar.def: Ditto.
15397 * tree-pass.h: Ditto.
15398 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15399 * rtl.h (make_jump_insn_raw): Add forward decl.
15400 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15402 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15403 Roger Sayle <roger@eyesopen.com>
15405 * fold-const.c (fold_minmax): New static function.
15406 (fold_binary) <MIN_EXPR>: Call it.
15407 <MAX_EXPR>: Likewise.
15408 * stor-layout.c (place_field): Use DECL_SIZE consistently
15409 in the computation of the new record size.
15411 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15413 * cse.c (cse_condition_code_reg): Make it static.
15414 * rtl.h: Remove the prototype for cse_condition_code_reg.
15416 * combine.c (combine_instructions): Make it static.
15417 * rtl.h: Remove the prototype for combine_instructions.
15419 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15422 * tree.c (get_file_function_name_long): Concatenate the first global
15423 object name with a string derived from the input filename of the object
15426 2006-01-16 Ben Elliston <bje@au.ibm.com>
15428 * config/i386/winnt-stubs.c: Update FSF address.
15429 * config/xtensa/ieee754-df.S: Ditto.
15430 * config/xtensa/ieee754-sf.S: Ditto.
15432 2006-01-14 Ian Lance Taylor <ian@airs.com>
15434 * ifcvt.c (noce_init_if_info): New static function, broken out of
15435 noce_process_if_block.
15436 (noce_process_if_block): Call noce_init_if_info.
15437 (check_cond_move_block): New static function.
15438 (cond_move_process_if_block): New static function.
15439 (process_if_block): Call cond_move_process_if_block.
15441 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15443 * cselib.c (hash_table): Rename to cselib_hash_table.
15444 (cselib_clear_table, discard_useless_values,
15445 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15446 cselib_init, cselib_finish): Adjust uses of hash_table.
15448 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15450 PR tree-optimization/25485
15451 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15452 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15453 is known to be false and true, respectively.
15455 2006-01-14 Richard Guenther <rguenther@suse.de>
15457 PR tree-optimization/22548
15458 PR tree-optimization/22555
15459 PR tree-optimization/22501
15460 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15461 * params.def (salias-max-array-elements): New parameter.
15462 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15463 * doc/invoke.texi (salias-max-array-elements): Document.
15464 * tree-flow-inline.h (var_can_have_subvars): We also handle
15466 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15468 * tree-ssa-structalias.c (params.h): Include.
15469 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15470 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15471 (get_constraint_for): For ADDR_EXPR operating on something
15472 containing an ARRAY_REF, add all subvars to the solution.
15473 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15474 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15475 for creating MUST_DEFs.
15476 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15478 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15480 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15482 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15483 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15484 number_of_iterations_le): New functions.
15485 (number_of_iterations_special): Removed.
15486 (number_of_iterations_exit): Do not use number_of_iterations_special.
15487 * tree.c (unsigned_type_for): Always return integer type.
15489 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15490 Richard Guenther <rguenther@suse.de>
15492 PR rtl-optimization/24257
15493 * gcse.c (find_moveable_store): Only consider a store movable
15494 when the SET_SRC of the insn can be assigned to a register.
15496 2006-01-14 Ian Lance Taylor <ian@airs.com>
15498 * tree.c (tree_not_class_check_failed): New function.
15499 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15500 (tree_not_class_check_failed): Declare.
15502 2006-01-13 Ian Lance Taylor <ian@airs.com>
15504 * reload1.c (do_output_reload): Add assertion rejecting a
15507 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15509 * combine.c (struct reg_stat): Add new fields truncation_label and
15511 (record_value_for_reg): Reset truncated_to_mode.
15512 (record_truncated_value): New function.
15513 (check_promoted_subreg): Call it. Rename to check_conversions.
15514 (combine_instructions): Rename check_promoted_subreg to
15516 (reg_truncated_to_mode): New function.
15517 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15518 (gen_lowpart_or_truncate): New function.
15519 (force_to_mode): Use it instead of gen_lowpart.
15521 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15523 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15524 VAR is a tag, not its type tag.
15526 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15528 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15529 alternatives to match style of other entries.
15530 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15532 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15534 PR tree-optimization/25771
15535 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15538 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15541 * tree-inline.c (declare_return_variable): If the return variable
15542 was marked as a non gimple complex, set the return slot variable
15543 to be a non gimple comple variable.
15545 2006-01-13 Richard Guenther <rguenther@suse.de>
15547 * builtins.c (expand_builtin_sincos): New function.
15548 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15550 (expand_builtin): Expand sincos using expand_builtin_sincos.
15552 2006-01-12 DJ Delorie <dj@redhat.com>
15554 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15555 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15556 so that constant shifts can be split.
15557 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15558 (m32c_valid_pointer_mode): Make static.
15559 (shift_gen_func_for): New.
15560 (m32c_prepare_shift): Use it. Split large const shifts into
15562 * config/m32c/predicates.md (shiftcount_operand): Allow more
15564 (longshiftcount_operand): New.
15565 * doc/md.texi (Machine Constraints): Document In6.
15567 2006-01-13 Ben Elliston <bje@au.ibm.com>
15569 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15570 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15573 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15575 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15576 to try to avoid clobbering pieces of structures when we know
15577 something about the whole structure.
15578 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15580 2006-01-13 Ben Elliston <bje@au.ibm.com>
15582 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15583 return in memory, as this is no limitation is no longer present.
15585 2006-01-12 DJ Delorie <dj@redhat.com>
15587 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15588 mova with fb, and for fb+0 -> An.
15590 * config/m32c/mov.md (peephole2): Fix enabling logic.
15592 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15593 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15594 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15595 FINI_ARRAY_SECTION_ASM_OP): Define.
15597 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15599 (m32c_legitimize_reload_address): New logic to reload FB to An.
15600 (m32c_output_reg_push): Add newline.
15601 (m32c_output_reg_pop): Likewise.
15603 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15605 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15607 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15609 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15611 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15613 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15616 2006-01-11 Ben Elliston <bje@au.ibm.com>
15618 * rtlanal.c (find_reg_note): Assert insn is not null.
15620 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15622 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15625 2006-01-11 Jeff Law <law@redhat.com>
15627 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15629 (mark_threaded_blocks, register_jump_thread): New functions.
15630 (thread_through_all_blocks): Remove unwanted argument. No
15631 longer rely on e->aux to communicate thread target info.
15632 Call mark_threaded_blocks. Release the threaded_blocks
15633 bitmap and threaded_edges vector when complete.
15634 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15635 (threaded_blocks): Remove.
15636 (tree_ssa_dominator_optimize): Remove initialization and
15637 finalization of threaded_blocks. Simplify call to
15638 thread_through_all_blocks.
15639 (thread_across_edge): Call register_jump_thread rather than
15640 storing thread information into e->aux.
15641 (free_all_edge_infos): Simplify now that e->aux is no longer
15642 used to communicate with thread_through_all_blocks.
15643 * tree-flow.h (thread_through_all_blocks): Update prototype.
15644 (register_jump_thread): Prototype.
15646 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15648 * df-core.c (df_compact_blocks, df_bb_replace): Use
15649 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15651 2006-01-11 Richard Guenther <rguenther@suse.de>
15653 PR tree-optimization/25734
15654 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15655 stop propagation after successful propagation to the LHS.
15657 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15659 * basic-block.h (control_flow_graph): Change the type of
15660 x_basic_block_info to VEC(basic_block,gc) *.
15661 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15663 (SET_BASIC_BLOCK): New.
15664 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15665 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15666 * cfgbuild.c (find_basic_blocks): Likewise.
15667 * cfglayout.c (fixup_reorder_chain): Likewise.
15668 * cfgrtl.c (create_basic_block_structure,
15669 rtl_create_basic_block): Likewise.
15670 * ifcvt.c (find_if_case_1): Likewise.
15671 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15674 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15676 * Makefile.in: Removed rotted odf.c entry.
15678 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15681 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15682 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15683 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15684 output pattern modifier, not %e.
15685 * config/cris/cris.c (cris_op_str): Update comment about pattern
15687 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15688 before falling through into...
15689 <case 'E'>: Redefined from old 'e' case.
15691 2006-01-11 Jan Hubicka <jh@suse.cz>
15694 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15696 2006-01-11 Jan Hubicka <jh@suse.cz>
15698 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15699 * i386.c (x86_decompose_lea): Kill.
15700 (ix86_rtx_costs): Kill.
15702 2006-01-11 Jan Hubicka <jh@suse.cz>
15704 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15705 * cgraph.h (cgraph_node): Add inline_decl.
15706 (cgraph_insert_node_to_hashtable): Declare.
15707 (save_inline_function_body): Declare.
15708 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15710 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15711 (cgraph_function_versioning): Update call of tree_function_versioning.
15712 (save_inline_function_body): New function.
15713 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15714 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15715 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15716 (cgraph_default_inline_p): Likewise.
15717 (cgraph_decide_inlining_incrementally): Likewise.
15718 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15719 (copy_bb): Kill saving; do updating of clones.
15720 (copy_cfg_body): Kill saving.
15721 (initialize_inlined-parameters): Likewise.
15722 (expand_call_inline): Likewise.
15724 (tree_function_versioning): New parameter "update_clones".
15725 (inlining_p): Kill saving.
15726 * tree-inline.h (tree_function_versioning): Update prototype.
15727 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15730 2006-01-11 Ian Lance Taylor <ian@airs.com>
15732 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15733 Allow undoing set of machine mode.
15734 (do_SUBST): Use enums instead of is_int.
15735 (do_SUBST_MODE): New function.
15736 (SUBST_MODE): New macro.
15737 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15738 reg and trying to replace reg_regno_rtx with a new register.
15739 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15740 (simplify_set): Use SUBST_MODE.
15741 (distribute_notes): Remove code that tried to update reg notes
15742 for regno_reg_rtx changes.
15744 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15746 PR tree-optimization/23109
15747 PR tree-optimization/23948
15748 PR tree-optimization/24123
15750 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15751 * tree-cfg.c (single_noncomplex_succ): New.
15752 * tree-flow.h (single_noncomplex_succ): Declare it.
15753 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15754 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15755 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15756 insert_bb, register_division_in, insert_reciprocals,
15757 replace_reciprocal, free_bb): New.
15758 (execute_cse_reciprocals_1): Rewritten.
15759 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15760 Do not commit any edge insertion. Always compute dominators and
15761 create the allocation pool.
15762 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15763 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15764 * targhooks.c (default_min_divistions_for_recip_mul): New.
15765 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15766 * passes.c (init_optimization_passes): Run recip after tree loop
15768 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15770 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15771 Kenneth Zadeck <zadeck@naturalbridge.com>
15773 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15774 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15775 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15776 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15777 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15778 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15779 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15780 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15781 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15782 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15783 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15784 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15785 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15786 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15787 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15788 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15789 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15790 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15791 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15792 DF_SCAN_POST_ALLOC): New macros.
15793 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15794 df_free_bb_function, df_local_compute_function, df_init_function,
15795 df_dataflow_function, df_confluence_function_0,
15796 df_confluence_function_n, df_transfer_function,
15797 df_finalizer_function, df_free_function, df_dump_problem_function,
15798 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15799 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15800 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15801 df_urec_bb_info, ) New types.
15802 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15804 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15805 df_analyze_simple_change_some_blocks,
15806 df_analyze_simple_change_one_block, df_compact_blocks,
15807 df_bb_replace, df_bb_regno_last_use_find,
15808 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15809 df_insn_regno_def_p, df_find_def, df_find_use,
15810 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15811 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15812 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15813 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15814 debug_df_chain, df_get_dependent_problem, df_chain_create,
15815 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15816 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15817 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15818 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15819 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15820 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15821 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15822 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15823 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15824 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15825 df_reorganize_refs, df_set_state, df_hard_reg_init,
15826 df_read_modify_subreg_p) New public functions.
15827 * df-core.c: The core dataflow solver and glue routines for rtl
15829 (df_init, df_add_problem, df_set_blocks, df_finish,
15830 df_hybrid_search_forward, df_hybrid_search_backward,
15831 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15832 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15833 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15834 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15835 df_reg_defined, df_find_use, df_reg_used, df_dump,
15836 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15837 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15838 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15839 debug_df_useno, reset_df_after_reload): New functions.
15840 * df-scan.c: The scanning fuctions, once in df.c, completely
15841 rewritten so that they now fully model the functionality of
15842 register usage at the backend.
15843 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15844 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15845 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15846 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15847 df_get_artificial_defs, df_get_artificial_uses,
15848 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15849 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15850 df_refs_delete, df_reorganize_refs, df_set_state,
15851 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15852 df_def_record_1, df_defs_record, df_uses_record,
15853 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15854 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15855 df_record_exit_block_uses, df_hard_reg_init): New functions.
15857 * df-problems.c: Seven concrete dataflow problems that use the
15858 scanning in df-scan.c and are solved by the engine in df-core.c.
15859 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15860 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15861 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15862 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15863 df_ru_free_bb_info, df_ru_alloc,
15864 df_ru_bb_local_compute_process_def,
15865 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15866 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15867 df_ru_transfer_function, df_ru_free, df_ru_dump,
15868 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15869 df_rd_free_bb_info, df_rd_alloc,
15870 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15871 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15872 df_rd_transfer_function, df_rd_free, df_rd_dump,
15873 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15874 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15875 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15876 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15877 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15878 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15879 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15880 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15881 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15882 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15883 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15884 df_urec_mark_reg_use_for_earlyclobber,
15885 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15886 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15887 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15888 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15889 df_chain_create_bb_process_use, df_chain_create_bb,
15890 df_chain_finalize, df_chain_free, df_chains_dump,
15891 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15892 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15893 df_reg_lifetime): New functions.
15894 * df.c: Deleted file.
15895 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15896 consistent with new df api.
15897 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15898 rest_of_handle_sms): Ditto.
15899 * web.c (unionfind_union, union_defs, entry_register, web_main):
15901 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15902 invariant_expr_equal_p, find_defs, check_dependencies,
15903 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15904 free_inv_motion_data, move_loop_invariants): Ditto.
15905 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15906 Update dependencies.
15907 (odf.c): Added defective entry that was deleted later in day.
15908 * sched-deps.c (sched_analyze_1): Ditto.
15910 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15912 * tree-ssa-operands.c (get_expr_operands): Record addressable
15913 variables directly. Do not call add_stmt_operands for CONST_DECLs
15915 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15916 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15918 2006-01-11 Ben Elliston <bje@au.ibm.com>
15920 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15921 function returns true in the positive case.
15923 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15926 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15927 for SI, DI, SF and DF modes. Add alternatives to copy between
15928 general and floating point registers to the 32-bit patterns.
15929 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15930 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15931 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15932 generating 64-bit code.
15933 * config/pa/pa.c (output_move_double): Handle copies between general
15934 and floating registers.
15936 2006-01-10 Stuart Hastings <stuart@apple.com>
15938 * config/i386/i386.md (set_got): Update.
15939 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15940 (builtin_setjmp_receiver): Mach-O support.
15941 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15942 (GOT_SYMBOL_NAME): Define.
15943 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15944 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15945 * config/i386/i386.c (override_options): Revise for Darwin.
15946 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15947 support. (darwin_x86_file_end): New. (output_set_got): Add label
15948 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15949 * config/i386/i386-protos.h (output_set_got): Likewise.
15950 * config/darwin.c (machopic_legitimize_pic_address): Update
15953 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15955 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15956 when MODE isn't BLKmode.
15958 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15960 PR rtl-optimization/25367
15961 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15963 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15966 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15967 for a negative bound.
15969 2006-01-10 Richard Guenther <rguenther@suse.de>
15971 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15972 Never override with anything constraint.
15974 2006-01-10 Jan Beulich <jbeulich@novell.com>
15976 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15977 256 bits when optimize_size.
15979 2006-01-10 Jan Beulich <jbeulich@novell.com>
15981 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15983 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15984 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15987 2006-01-10 Ben Elliston <bje@au.ibm.com>
15989 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15991 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15992 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15993 (USE_FP_FOR_ARG): Reject decimal float modes.
15994 (function_arg_advance): Likewise.
15995 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15996 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15997 point types in AltiVec vectors.
15998 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15999 (rs6000_libcall_value): Likewise.
16001 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16003 * config/xtensa/ieee754-df.S: New file.
16004 * config/xtensa/ieee754-sf.S: New file.
16005 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16006 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16007 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16009 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16011 * config/sh/predicates.md (binary_float_operator,
16012 binary_logical_operator, commutative_float_operator,
16013 equality_comparison_operator, greater_comparison_operator,
16014 less_comparison_operator, logical_operator,
16015 noncommutative_float_operator, shift_operator,
16016 symbol_ref_operand, unary_float_operator): Remove redundant
16019 2006-01-09 Jeff Law <law@redhat.com>
16021 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16022 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16023 now unused arguments. Callers updated.
16024 (eliminate_redundant_computations): Remove now unused arguments,
16026 (local_fold): Remove, no longer used.
16027 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16029 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16030 (simplify_cond): New function.
16031 (forward_propagate_into_cond): Call simplify_cond.
16033 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16035 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16036 (*vec_extractv2di_1_sse): New.
16038 2006-01-09 Ben Elliston <bje@au.ibm.com>
16040 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16042 2006-01-08 Richard Guenther <rguenther@suse.de>
16044 * tree-ssa-structalias.c (get_constraint_for): Remove
16045 anyoffset argument.
16046 (get_constraint_for_component_ref): Likewise.
16047 (do_deref): Likewise.
16048 (get_constraint_for): Likewise.
16049 (do_structure_copy): Likewise.
16050 (handle_ptr_arith): Likewise.
16051 (find_func_aliases): Likewise. Remove unused need_anyoffset
16054 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16055 Kaz Kojima <kkojima@gcc.gnu.org>
16057 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16058 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16059 (EXTRA_CONSTRAINT_C16): Remove.
16060 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16061 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16062 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16063 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16064 constants of SHmedia. Handle nested constant expressions of
16066 (andcosts): Fix the costs for SHmedia constants.
16067 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16068 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16069 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16070 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16071 (movv4hi_i, movv2si_i): Likewise.
16072 (movsi_const): Adjust the second operand of ior so to match with
16073 the Csu constraint.
16074 (movdi_const, movdi_const_32bit): Likewise.
16075 (movdi_const_16bit+1): Don't sign-extend LOW.
16076 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16078 (*double_shori): Fix the split condition. Use GEN_INT instead
16079 of get_int_mode calls. Mask lower 16-bit of the argument of
16081 (sym2GOTPLT): Remove.
16082 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16084 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16085 instead of EXTRA_CONSTRAINT_C16.
16087 2006-01-07 Ian Lance Taylor <ian@airs.com>
16088 David Edelsohn <edelsohn@gnu.org>
16090 PR rtl-optimization/25662
16091 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16092 for constant operands instead of simplify_gen_binary.
16093 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16094 after trying simplify_binary_operation
16096 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16098 * tree.c (iterative_hash_expr): Hash decls based on UID.
16100 2006-01-06 Eric Christopher <echristo@apple.com>
16102 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16103 (TARGET_UNWIND_EMIT): Fix spelling.
16104 * target.h (gcc_target): Add except_table_label.
16105 * except.c (output_function_exception_table): Use.
16106 * varasm.c (default_emit_except_table_label): New.
16107 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16109 (asm_out): Add here.
16110 * output.h (default_emit_except_table_label): Prototype.
16111 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16112 * config/darwin.c (darwin_emit_except_table_label): Define.
16113 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16115 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16117 PR tree-optimization/18527
16118 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16119 number_of_iterations_special, number_of_iterations_exit):
16120 Move base and step of an iv to a single structure. Add
16121 no_overflow flag, and use it in # of iterations analysis.
16122 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16123 folded_casts argument.
16124 (simple_iv): Pass base and step in a structure. Set no_overflow
16126 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16127 Evaluate expensiveness of computing # of iterations instead of
16128 the final expression.
16129 * tree-scalar-evolution.h (affine_iv): New structure.
16130 (simple_iv): Declaration changed.
16131 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16132 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16133 find_givs_in_stmt): Changed due to simple_iv change.
16135 2006-01-06 Jeff Law <law@redhat.com>
16138 * tree-cfg.c (bsi_replace): Rename final argument from
16139 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16140 change (stmt -> orig_stmt).
16141 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16142 (bsi_remove): Add new argument. Remove EH information
16144 (verify_eh_throw_table_statements): New function.
16145 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16147 * tree-optimize.c (execute_free_cfg_annotations): Verify
16148 the EH throw statement table after removing annotations.
16149 * except.h (verify_eh_throw_table_statements): Prototype.
16150 * tree-flow.h (bsi_remove): Update prototype.
16151 * tree-vrp.c (remove_range_assertions): Add new argument to
16153 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16154 * tree-complex.c (expand_complex_div_wide): Likewise.
16155 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16156 * tree-tailcall.c (eliminate_tailcall): Likewise.
16157 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16158 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16159 * tree-nrv.c (tree_nrv): Likewise.
16160 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16161 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16162 (combine_blocks): Likewise.
16163 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16164 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16165 (cleanup_control_flow): Likewise.
16166 (remove_forwarder_block): Likewise.
16167 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16168 * tree-sra.c (sra_replace): Likewise.
16169 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16170 (forward_propagate_single_use_vars): Likewise.
16171 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16172 * tree-inline.c (expand_call_inline): Likewise.
16173 * tree-vect-transform.c (vect_transform_loop): Likewise.
16174 * tree-outof-ssa.c (rewrite_trees): Likewise.
16175 * tree-cfg.c (make_goto_expr_edges): Likewise.
16176 (cleanup_dead_labels): Likewise.
16177 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16178 (bsi_move_before, bsi_move_after): Likewise.
16179 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16180 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16182 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16185 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16187 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16188 on non gimple variables. Also add checks at the top for decls and
16190 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16192 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16193 and IMAGPART_EXPR for creating MUST_DEFs.
16194 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16195 and NAME_MEMORY_TAG separately from the DECLs.
16197 2006-01-06 Richard Guenther <rguenther@suse.de>
16199 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16200 annotation, if necessary.
16201 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16202 redundant calls to update_stmt.
16203 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16206 2006-01-05 Richard Henderson <rth@redhat.com>
16208 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16210 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16212 * c-typeck.c: Update copyright date.
16214 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16216 * c-typeck.c (build_c_cast): Always warn when casting
16217 from a pointer to an integer of different size, even if
16218 the node was constant.
16220 2006-01-05 Richard Guenther <rguenther@suse.de>
16222 PR tree-optimization/22555
16223 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16224 if one structure field is an array.
16225 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16226 operands even if we found a subvar, but ignore VOPs in this
16228 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16230 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16232 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16234 PR middle-end/24998
16235 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16237 2006-01-05 Richard Guenther <rguenther@suse.de>
16238 Diego Novillo <dnovillo@redhat.com>
16240 * tree-pass.h (TODO_remove_unused_locals): Define.
16241 * gimple-low.c (expand_var_p, remove_useless_vars,
16242 pass_remove_useless_vars): Remove. Update all users.
16243 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16244 (remove_unused_locals): New function.
16245 * tree-flow.h (remove_unused_locals): Declare.
16246 * passes.c (execute_todo): Call remove_unused_locals if
16247 TODO_remove_unused_locals is set.
16248 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16249 * tree-ssa-dce.c (pass_dce): Likewise.
16250 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16252 2006-01-05 Richard Guenther <rguenther@suse.de>
16254 * tree-flow.h (struct fieldoff): Decompose field to
16255 type, size and decl.
16256 * tree-ssa-alias.c (create_sft): Take type as parameter.
16257 (create_overlap_variables_for): Store type, size and decl
16258 in the fieldoff structure.
16259 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16260 of struct fieldoff.
16261 (push_fields_onto_fieldstack): Likewise.
16262 (create_variable_info_for): Likewise. Use offset for the
16263 SFT name if the decl is not available.
16265 2006-01-04 Paul Brook <paul@codesourcery.com>
16267 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16269 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16271 * lambda-code.c (can_put_in_inner_loop): Relax
16273 (can_put_after_inner_loop): New function.
16274 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16275 (perfect_nestify): Change to make copies and modify uses.
16277 2006-01-04 Richard Henderson <rth@redhat.com>
16279 Merge from gomp branch:
16280 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16281 via integer constant.
16282 (pragma_lex): Remove.
16283 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16284 rather than parsing it.
16285 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16286 handle_pragma_extern_prefix): Add %< %> quotes.
16287 (registered_pragmas): New.
16288 (c_register_pragma_1): New.
16289 (c_register_pragma): Use it.
16290 (c_register_pragma_with_expansion): Likewise.
16291 (c_invoke_pragma_handler): New.
16292 (init_pragma): Use cpp_register_deferred_pragma directly for
16294 * c-pragma.h (enum pragma_kind): New.
16295 (pragma_handler): New.
16296 (c_invoke_pragma_handler): Declare.
16297 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16299 * c-common.h (c_common_pch_pragma): Update decl.
16300 * Makefile.in (c-parser.o): Update dependencies.
16301 (GTFILES): Add c-pragma.h.
16302 * c-parser.c (struct c_token): Add pragma_kind.
16303 (struct c_parser): Add in_pragma.
16304 (c_lex_one_token): Always initialize keyword and pragma_kind.
16305 Extract data for CPP_PRAGMA.
16306 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16307 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16308 Don't allow CPP_PRAGMA_EOL if in_pragma.
16309 (c_parser_consume_pragma): New.
16310 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16311 (c_parser_skip_to_end_of_parameter): Likewise.
16312 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16313 (c_parser_skip_to_pragma_eol): New.
16314 (c_parser_external_declaration): Handle CPP_PRAGMA.
16315 (c_parser_compound_statement_nostart): Likewise.
16316 (c_parser_statement_after_labels): Likewise.
16317 (c_parser_pragma): New.
16318 (pragma_lex): Likewise.
16319 (c_parser_pragma_pch_preprocess): New.
16320 (c_parser_new): Merge into ...
16321 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16323 2006-01-04 Jeff Law <law@redhat.com>
16326 * tree-cfg.c (bsi_replace): Remove the original statement
16327 from the EH throw statement table.
16329 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16331 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16332 make the prototype extern "C" and add throw ().
16335 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16336 and pos non-negative and pos + len <= 32.
16337 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16338 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16339 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16342 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16343 as well as sizes not multiple of component size.
16346 * function.c (instantiate_expr): New function.
16347 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16348 walk its DECL_VALUE_EXPR with instantiate_expr.
16350 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16351 DW_OP_deref{,_size} if address isn't going to be added.
16353 2006-01-04 Ben Elliston <bje@au.ibm.com>
16355 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16356 * config/fp-bit.c: Likewise.
16358 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16360 * dominance.c: Add comment about why we use DFS numbering
16363 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16364 Richard Henderson <rth@redhat.com>
16366 Merge from gomp-branch:
16367 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16368 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16370 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16372 PR rtl-optimization/25578
16373 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16374 pass a parameter to simplify_shift_const if changing ASHIFTRT
16377 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16379 * builtins.c (get_builtin_sync_mem): New function.
16380 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16381 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16382 Call get_builtin_sync_mem to generate mem rtx.
16384 2006-01-03 Richard Guenther <rguenther@suse.de>
16387 * stmt.c (add_case_node): Make sure to clear overflow flags
16390 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16392 Merge from gomp-branch.
16393 * config/sparc/sync.md: New file.
16394 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16395 UNSPECV_LDSTUB): New constants.
16396 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16397 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16398 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16401 2006-01-03 Roger Sayle <roger@eyesopen.com>
16403 * combine.c (reg_subword_p): New predicate to test whether the
16404 destination of a set refers to a subword/piece of a register.
16405 (try_combine): Generalize the code to merge the setting of a
16406 pseudo to a constant followed by a set of a subword of that
16407 register to a constant.
16409 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16411 * basic-block.h (control_flow_graph): Change the type of
16412 x_label_to_block_map to VEC(basic_block,gc) *.
16413 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16414 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16416 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16417 VEC(basic_block,heap) *.
16418 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16419 ssa_prop_fini): Adjust the uses of cfg_blocks.
16421 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16423 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16425 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16426 hashing trees instead of a pointer hash.
16427 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16428 compare for MEM_EXPR.
16430 PR rtl-optimization/25130
16431 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16432 when comparing MEMs for GCSE
16434 2006-01-03 Ben Elliston <bje@au.ibm.com>
16436 * targhooks.h (default_decimal_float_supported_p): Declare.
16437 * targhooks.c (default_decimal_float_supported_p): Define.
16438 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16439 `default_decimal_float_supported_p'.
16440 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16442 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16444 * combine.c (apply_distributive_law <SUBREG>): Check
16445 TRULY_NOOP_TRUNCATION.
16447 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16449 * dwarf2out.c (have_switched_text_section): Delete.
16450 (have_multiple_function_sections): New.
16451 (have_location_lists): Make 'bool'.
16452 (add_AT_loc_list): Use 'true' not '1'.
16453 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16454 (output_loc_list): Use have_multiple_function_sections.
16455 (output_ranges): Likewise.
16456 (dwarf2out_begin_function): Set have_multiple_function_sections if
16458 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16459 Check function_section rather than DECL_SECTION_NAME.
16460 (dwarf2out_finish): Use have_multiple_function_sections.
16461 Don't clear have_location_lists.
16463 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16464 Jan Hubicka <jh@suse.cz>
16466 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16467 case of conditional jump jumping to the next instruction.
16468 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16469 cases of conditional jump jumping to the next instruction.
16471 2006-01-02 Jan Hubicka <jh@suse.cz>
16473 * i386.c (*_cost): Add COSTS_N_INSNS.
16474 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16476 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16479 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16481 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16483 * config/arm/arm.c (all_fpus): Fix comment typo.
16484 * config/darwin.c: Likewise.
16485 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16486 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16487 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16489 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16491 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16492 (rs6000_split_compare_and_swapqhi): New.
16493 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16494 (sync_compare_and_swapqhi_internal): New.
16495 * config/rs6000/rs6000-protos.h: Declare.