1 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
4 at compile-time using MPFR. Change parameter VALUE to FUNC,
6 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
7 for overflow and underflow at all times and avoid folding in
10 2006-10-24 Ben Elliston <bje@au.ibm.com>
12 * reload1.c: Formatting fixes.
14 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
16 PR tree-optimization/14784
17 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
18 * tree-ssa-structalias.c (get_constraint_for,
19 intra_create_variable_infos): Set is_heapvar.
20 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
21 non-heapvar pointer variables specially.
23 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26 * builtins.c (fold_builtin_sin, fold_builtin_cos,
27 fold_builtin_tan): Fold all constant arguments. Take a "type"
28 argument as necessary.
30 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
32 2006-10-23 Bob Wilson <bob.wilson@acm.org>
34 * config/xtensa/lib1funcs.asm: Use C-style comments.
36 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
38 * tree.c (local_define_builtin): Replace calls to
39 lang_hooks.builtin_function with add_builtin_function.
40 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
42 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
44 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
45 common code to add_builtin_function.
46 * langhooks.c (add_builtin_function): New function.
47 (lhd_builtin_function): New function.
48 * langhooks.h (struct lang_hooks): Change the signature of
50 (add_builtin_function): New function.
51 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
52 calls to lang_hooks.builtin_function with add_builtin_function.
53 * c-common.c (decl_builtin_1): Replace calls to
54 lang_hooks.builtin_function with add_builtin_function.
55 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
56 lang_hooks.builtin_function with add_builtin_function.
57 * config/frv/frv.c (def_builtin): Replace calls to
58 lang_hooks.builtin_function with add_builtin_function.
59 * config/s390/s390.c (s390_init_builtins): Replace calls to
60 lang_hooks.builtin_function with add_builtin_function.
61 * config/sparc/sparc.c (def_builtin): Replace calls to
62 lang_hooks.builtin_function with add_builtin_function.
63 * config/i386/i386.c (def_builtin): Replace calls to
64 lang_hooks.builtin_function with add_builtin_function.
65 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
66 lang_hooks.builtin_function with add_builtin_function.
67 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
68 lang_hooks.builtin_function with add_builtin_function.
69 * config/stormy16/stormy16.c (xstormy16_init_builtins):
70 Replace calls to lang_hooks.builtin_function with
72 * config/iq2000/iq2000.c (def_builtin):
73 Replace calls to lang_hooks.builtin_function with
75 * config/ia64/ia64.c (def_builtin): Replace calls to
76 lang_hooks.builtin_function with add_builtin_function.
77 * config/rs6000/rs6000.c (def_builtin): Replace calls to
78 lang_hooks.builtin_function with add_builtin_function.
79 (altivec_init_builtins): Replace calls to
80 lang_hooks.builtin_function with add_builtin_function.
81 * config/arm/arm.c (def_mbuiltin): Replace calls to
82 lang_hooks.builtin_function with add_builtin_function.
83 (arm_init_tls_builtins): Replace calls to
84 lang_hooks.builtin_function with add_builtin_function.
85 * config/mips/mips.c (mips_init_builtins): Replace calls to
86 lang_hooks.builtin_function with add_builtin_function.
87 * config/bfin/bfin.c (def_builtin): Replace calls to
88 lang_hooks.builtin_function with add_builtin_function.
89 * langhooks-def.h (lhd_builtin_function): New function.
90 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
92 2006-10-23 Jakub Jelinek <jakub@redhat.com>
94 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
97 2006-10-23 Jan Hubicka <jh@suse.cz>
99 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
100 don't do conversion from memmove to memcpy here.
101 (expand_builtin_bcopy, expand_builtin): Update call of
102 expand_builtin_memmove.
103 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
105 2006-10-23 Paul Brook <paul@codesourcery.com>
107 * stor-layout.c (start_record_layout): maximum_field_alignment
108 overrides STRUCTURE_SIZE_BOUNDARY.
110 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
112 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
113 nonlocal function symbols if flag_pic.
115 2006-10-23 Richard Guenther <rguenther@suse.de>
119 * builtins.c (fold_binary): Remove checks for flag_wrapv
120 and flag_trapv where negate_expr_p covers these cases.
122 2006-10-23 Richard Guenther <rguenther@suse.de>
125 * fold-const.c (fold_plusminus_mult_expr): Check exact power
126 of two on the absolute value.
127 (fold_binary): Fold x * -C to -x * C if x is easily negatable
128 and negating -C does not overflow.
130 2006-10-23 Richard Guenther <rguenther@suse.de>
133 * convert.c (convert_to_real): Fold (float)-x to -(float)x
134 only if not flag_rounding_math.
136 2006-10-22 Richard Sandiford <richard@codesourcery.com>
137 Kaz Kojima <kkojima@gcc.gnu.org>
140 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
141 SImode memory reference for the source of a movua.
142 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
143 (movua): Use an unspec instead of sign_extract. Expect the source
144 to have mode BLKmode.
145 (extv, insv): Use a BLKmode rather than SImode memory reference
146 for the source of a movua.
148 2006-10-22 Jeff Law <law@redhat.com>
149 Richard Guenther <rguenther@suse.de>
151 PR tree-optimization/15911
152 * tree-vrp.c (extract_code_and_val_from_cond): New function.
153 (register_edge_assert_for_1): Likewise.
154 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
155 (find_conditional_asserts): Adjust for new function signature.
156 (find_assert_locations): Likewise.
158 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
160 * config/i386/tmmintrin.h: Remove the duplicated content.
162 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
164 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
165 (x86_64-*-*): Likewise.
167 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
168 (override_options): Check SSSE3.
169 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
170 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
171 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
172 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
173 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
174 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
175 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
176 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
177 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
178 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
179 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
180 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
181 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
182 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
183 IX86_BUILTIN_PABSD128.
184 (bdesc_2arg): Add SSSE3.
185 (bdesc_1arg): Likewise.
186 (ix86_init_mmx_sse_builtins): Support SSSE3.
187 (ix86_expand_builtin): Likewise.
188 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
190 * config/i386/i386.md (UNSPEC_PSHUFB): New.
191 (UNSPEC_PSIGN): Likewise.
192 (UNSPEC_PALIGNR): Likewise.
193 Include mmx.md before sse.md.
195 * config/i386/i386.opt: Add -mssse3.
197 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
198 (ssse3_phaddwv4hi3): Likewise.
199 (ssse3_phadddv4si3): Likewise.
200 (ssse3_phadddv2si3): Likewise.
201 (ssse3_phaddswv8hi3): Likewise.
202 (ssse3_phaddswv4hi3): Likewise.
203 (ssse3_phsubwv8hi3): Likewise.
204 (ssse3_phsubwv4hi3): Likewise.
205 (ssse3_phsubdv4si3): Likewise.
206 (ssse3_phsubdv2si3): Likewise.
207 (ssse3_phsubswv8hi3): Likewise.
208 (ssse3_phsubswv4hi3): Likewise.
209 (ssse3_pmaddubswv8hi3): Likewise.
210 (ssse3_pmaddubswv4hi3): Likewise.
211 (ssse3_pmulhrswv8hi3): Likewise.
212 (ssse3_pmulhrswv4hi3): Likewise.
213 (ssse3_pshufbv16qi3): Likewise.
214 (ssse3_pshufbv8qi3): Likewise.
215 (ssse3_psign<mode>3): Likewise.
216 (ssse3_psign<mode>3): Likewise.
217 (ssse3_palignrti): Likewise.
218 (ssse3_palignrdi): Likewise.
219 (abs<mode>2): Likewise.
220 (abs<mode>2): Likewise.
222 * config/i386/tmmintrin.h: New file.
224 * doc/extend.texi: Document SSSE3 built-in functions.
226 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
228 2006-10-22 Ira Rosen <irar@il.ibm.com>
230 * tree-vect-transform.c (vectorizable_load): Use the type of the
231 return value of the mask_for_load builtin to create realign_load
234 2006-10-22 Richard Sandiford <richard@codesourcery.com>
236 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
239 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
241 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
242 (UNSPEC_LDDQU): This.
243 * config/i386/sse.md (sse3_lddqu): Updated.
245 2006-10-21 Richard Guenther <rguenther@suse.de>
247 * builtins.c (expand_builtin_int_roundingfn_2): New function.
248 (expand_builtin): Use it to expand lrint instead of
249 expand_builtin_mathfn.
251 2006-10-21 Uros Bizjak <uros@kss-loka.si>
254 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
255 flag_unsafe_math_optimizations is set.
257 2006-10-21 Uros Bizjak <uros@kss-loka.si>
260 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
261 patterns to use memory input operand in x87->mem->XMM
262 reload sequences. Skip transformation for TARGET_K8.
264 2006-10-21 Uros Bizjak <uros@kss-loka.si>
266 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
267 force operand1 to register if both operands are memory operands.
268 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
269 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
270 if both operands are memory operands.
271 (truncdfsf2): Do not force operand1 to register if both operands
274 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
276 * Makefile.in (LIBS): Add $(GMPLIBS).
277 * doc/install.texi: Update GMP and MPFR requirements.
278 * doc/sourcebuild.texi (need_gmp): Delete.
280 2006-10-21 Richard Guenther <rguenther@suse.de>
282 PR tree-optimization/3511
283 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
284 got new invariant arguments during PHI translation.
286 2006-10-21 Richard Guenther <rguenther@suse.de>
289 * fold-const.c (fold_comparison): Fold signed comparisons
290 of the form X +- C1 CMP Y +- C2.
292 2006-10-21 Richard Guenther <rguenther@suse.de>
295 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
296 if flag_unsafe_math_optimizations is specified. We have
297 flag_finite_math_only for that.
298 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
299 or flag_unsafe_math_optimizations.
301 2006-10-21 Richard Guenther <rguenther@suse.de>
303 * builtins.c (fold_builtin_classify): Fix typo.
305 2006-10-21 Richard Guenther <rguenther@suse.de>
308 * simplify-rtx.c (simplify_const_relational_operation):
309 Do not constant-fold ORDERED and UNORDERED for
310 flag_unsafe_math_optimizations but only we do not need to
311 honor NaNs for the given mode.
313 2006-10-21 Richard Guenther <rguenther@suse.de>
316 * config/i386/i386.c (classify_argument): Remove redundant
317 walking of the BINFOs.
318 (contains_128bit_aligned_vector_p): Likewise.
320 2006-10-20 Mark Mitchell <mark@codesourcery.com>
322 * BASE-VER: Set to 4.3.0.
324 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
326 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
327 (tree_decl_with_vis): Remove artificial_pta_var flag.
328 * tree-flow.h (referenced_var_check_and_insert): Expose.
329 (nonlocal_all): New prototype.
330 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
331 (nonlocal_all): Make global.
332 (nonlocal_lookup): Remove.
333 (nonlocal_insert): Ditto.
334 (create_nonlocal_var): Do not call nonlocal_insert.
335 (get_nonlocal_id_for_type): Remove.
336 (find_global_initializers): Mark new vars we find for renaming.
337 (intra_create_variable_infos): Only create one nonlocal.
338 (expand_nonlocal_solutions): Remove.
339 (compute_points_to_sets): Don't call it.
340 (ipa_pta_execute): Ditto.
341 (init_alias_heapvars): Don't create nonlocal_for_type.
342 (delete_alias_heapvars): Don't remove it.
343 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
346 2006-10-19 Brooks Moses <bmoses@stanford.edu>
348 * doc/install.texi (Downloading GCC): Clarify mention of
349 Fortran in the "full distribution" description.
351 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
353 Fix PR tree-optimization/28778
354 Fix PR tree-optimization/29156
355 Fix PR tree-optimization/29415
356 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
357 (tree_decl_with_vis): Add artificial_pta_var flag.
358 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
360 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
361 (nonlocal_all): Ditto.
362 (struct variable_info): Add directly_dereferenced member.
363 (var_escaped_vars): New variable.
364 (escaped_vars_tree): Ditto.
365 (escaped_vars_id): Ditto.
366 (nonlocal_vars_id): Ditto.
367 (new_var_info): Set directly_dereferenced.
368 (graph_size): New variable
369 (build_constraint_graph): Use graph_size.
370 (solve_graph): Don't process constraints that cannot change the
371 solution, don't try to propagate an empty solution to our
373 (process_constraint): Set directly_dereferenced.
374 (could_have_pointers): New function.
375 (get_constraint_for_component_ref): Don't process STRING_CST.
376 (nonlocal_lookup): New function.
377 (nonlocal_insert): Ditto.
378 (create_nonlocal_var): Ditto.
379 (get_nonlocal_id_for_type): Ditto.
380 (get_constraint_for): Allow results vector to be empty in the case
382 Handle results of calls properly.
383 (update_alias_info): Update alias info stats on number and type of
385 (find_func_aliases): Use could_have_pointers.
386 (make_constraint_from_escaped): Renamed from
387 make_constraint_to_anything, and changed to make constraints from
389 (make_constraint_to_escaped): New function.
390 (find_global_initializers): Ditto.
391 (create_variable_info_for): Make constraint from escaped to any
392 global variable, and from any global variable to the set of
394 (intra_create_variable_infos): Deal with escaped instead of
395 pointing to anything.
396 (set_uids_in_ptset): Do type pruning on directly dereferenced
398 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
399 (init_base_vars): Fix comment, and initialize escaped_vars.
400 (need_to_solve): Removed.
401 (find_escape_constraints): New function.
402 (expand_nonlocal_solutions): Ditto.
403 (compute_points_to_sets): Call find_escape_constraints and
404 expand_nonlocal_solutions.
405 (delete_points_to_sets): Don't fall off the end of the graph.
406 (init_alias_heapvars): Initialize nonlocal_for_type and
408 (delete_alias_heapvars): Free nonlocal_for_type and null out
411 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
413 * fold-const.c (add_double): Rename to add_double_with_sign.
414 Add 'unsigned_p' parameter and take it into account for the overflow.
415 (mul_double): Rename to mul_double_with_sign.
416 Add 'unsigned_p' parameter and take it into account for the overflow.
417 (fold_div_compare): Call add_double_with_sign instead of add_double
418 and mul_double_with_sign instead of mul_double, passing them the
419 unsignedness of the type.
420 * tree.h (add_double): Macroize.
421 (add_double_with_sign): New prototype.
422 (mul_double): Macroize.
423 (mul_double_with_sign): New prototype.
425 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
427 * config/score/crti.asm: New file.
428 * config/score/crtn.asm: New file.
429 * config/score/elf.h: New file.
430 * config/score/mac.md: New file.
431 * config/score/misc.md: New file.
432 * config/score/mul-div.S: New file.
433 * config/score/predicates.md: New file.
434 * config/score/score7.md: New file.
435 * config/score/score.c: New file.
436 * config/score/score-conv.h: New file.
437 * config/score/score.h: New file.
438 * config/score/score.md: New file.
439 * config/score/score-mdaux.c: New file.
440 * config/score/score-mdaux.h: New file.
441 * config/score/score-modes.def: New file.
442 * config/score/score.opt: New file.
443 * config/score/score-protos.h: New file.
444 * config/score/score-version.h: New file.
445 * config/score/t-score-elf: New file.
446 * config.gcc: Add score*-*-* configurations(Update before).
447 * doc/invoke.texi (Score Options): New section.
448 * doc/md.texi (Score family): New section to document constraints.
450 2006-10-19 Nick Clifton <nickc@redhat.com>
452 * config/arm/arm.c: Fix spelling typo.
454 2006-10-18 Tom Tromey <tromey@redhat.com>
456 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
458 2006-10-18 Jan Hubicka <jh@suse.cz>
461 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
464 2006-10-18 Marcin Dalecki <martin@dalecki.de>
466 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
467 TSI_SAME_STMT, since that's the desired entity.
469 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
471 * config/s390/contraints.md: New file.
472 * config/s390/s390-protos.h (s390_mem_constraint,
473 s390_O_constraint_str, s390_N_constraint_str,
474 s390_float_const_zero_p): Function prototypes added.
475 * config/s390/s390.c (s390_extra_constraint_str,
476 s390_const_double_ok_for_constraint_p,
477 s390_const_ok_for_constraint_p): Functions removed.
478 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
479 s390_float_const_zero_p): New functions.
480 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
481 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
482 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
483 Macro definitions removed.
484 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
485 s390_extra_constraint_str): Functions removed.
487 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
488 Richard Sandiford <richard@codesourcery.com>
491 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
492 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
494 2006-10-16 Geoffrey Keating <geoffk@apple.com>
496 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
497 (DWARF2_FRAME_REG_OUT): Likewise.
498 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
499 (DWARF2_FRAME_REG_OUT): Likewise.
501 2006-10-17 Paul Brook <paul@codesourcery.com>
503 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
505 2006-10-16 Brooks Moses <bmoses@stanford.edu>
507 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
508 Standardize on "GNU Fortran" as the official name of the Fortran
511 2006-10-16 Mike Stump <mrs@apple.com>
513 * doc/invoke.texi (Darwin Options): Document -mkernel.
514 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
516 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
517 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
518 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
519 (OS_MISSING_ALTIVEC): Add.
520 * config/i386/i386.c (override_options): Add
521 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
522 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
523 -mkernel, -static or -mdynamic-no-pic is given.
524 (C_COMMON_OVERRIDE_OPTIONS): Add.
525 * config/darwin.opt (fapple-kext): Add.
527 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
528 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
530 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
531 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
532 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
533 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
534 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
536 (flag_apple_kext): Add.
537 (TARGET_KEXTABI): Add.
538 * config/darwin.c (darwin_handle_kext_attribute): Add.
539 (DARWIN_VTABLE_P): Add.
540 (darwin_binds_local_p): Add partial support for rebinding vtables
542 (darwin_kextabi_p): Add.
543 (darwin_override_options): Add.
544 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
545 (darwin_kextabi_p): Add.
546 (darwin_override_options): Add.
547 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
548 __DYNAMIC__ and __STATIC__ here.
550 2006-10-16 Brooks Moses <bmoses@stanford.edu>
552 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
553 Added mention of "make pdf" target, and Texinfo requirements for
556 2006-10-16 DJ Delorie <dj@redhat.com>
558 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
559 into the GOT in case we need a subreg of the address.
561 2006-10-16 Richard Guenther <rguenther@suse.de>
564 * doc/extend.texi (X86 Built-in Functions): Fix typos in
565 SSE builtin documentation. Document SSE2 builtins.
567 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
569 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
570 symbol in the output file for non-shared links when -nostdlib or
571 -nodefaultlibs isn't specified.
573 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
574 posix thread support.
576 2006-10-15 Jan Hubicka <jh@suse.cz>
579 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
580 declared always_inline even when not inlining.
582 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
583 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
584 Andrew Pinski <pinskia@gmail.com>
587 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
589 2006-10-15 Jan Hubicka <jh@suse.cz>
590 Richard Guenther <rguenther@suse.de>
593 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
594 process_function_and_variable_attributes on all variables, including
595 those discovered during cgraph construction phase.
597 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
599 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
601 2006-10-14 Uros Bizjak <uros@kss-loka.si>
603 * config/i386/athlon.md (athlon_fist): Add fisttp.
605 2006-10-13 David Edelsohn <edelsohn@gnu.org>
606 Ian Lance Taylor <ian@airs.com>
609 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
610 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
613 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
615 * config/score/score.c, config/score/score.h: Fix comment
618 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
621 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
624 2006-10-13 Eric Christopher <echristo@apple.com>
626 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
628 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
631 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
632 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
633 alignment supported by 32-bit ELF.
635 2006-10-13 Eric Christopher <echristo@apple.com>
637 * config/darwin.c (darwin_emit_unwind_label): Strip
638 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
640 2006-10-13 Richard Guenther <rguenther@suse.de>
642 PR tree-optimization/29446
643 * tree-vrp.c (fix_equivalence_set): Remove.
644 (extract_range_from_assert): Do not call fix_equivalence_set.
645 (debug_value_range): Print a newline.
646 (compare_name_with_value): For equivalence sets with
647 inconsistent value ranges conservatively bail out.
648 (compare_names): Likewise.
650 2006-10-13 David Edelsohn <edelsohn@gnu.org>
652 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
653 and MPFR for gfortran.
655 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
657 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
658 alignment supported by 32-bit ELF.
660 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
664 * c-typeck.c (digest_init): Always allow initializing vectors
665 that have static storage duration with compound literals.
666 * tree.c (build_type_attribute_qual_variant): New, based on
667 build_type_attribute_variant.
668 (build_type_attribute_variant): Rewrite using the former.
669 (make_vector_type): Use build_type_attribute_qual_variant to build
670 type variants. Use type_hash_canon on the others.
672 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
673 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
675 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
677 2006-10-12 Jan Hubicka <jh@suse.cz>
680 * c-decl.c (c_make_fname_decl): Do not segfault in case where
681 current_function_decl is set but current_function_scope is not.
683 2006-10-12 Jie Zhang <jie.zhang@analog.com>
685 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
686 emit_insn to emit eh_return_internal instruction.
687 (eh_return_internal): Explicitly set pc.
689 2006-10-11 Richard Guenther <rguenther@suse.de>
691 PR tree-optimization/28230
692 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
693 to the correct place.
695 2006-10-11 Richard Guenther <rguenther@suse.de>
698 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
701 2006-10-10 Brooks Moses <bmoses@stanford.edu>
703 * configure.ac: Added pdf to "Make-hooks"
704 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
705 targets and *.pdf file patterns in cleanup targets.
706 * configure: Regenerated.
708 2006-10-10 Anatoly Sokolov <aesok@post.ru>
710 * config/avr/predicates.md: New file.
711 * config/avr/avr.md: Include it.
712 (REG_SP): New constant.
713 (peepholes): Use predicates.
714 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
715 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
716 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
718 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
720 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
723 2006-10-10 Jakub Jelinek <jakub@redhat.com>
726 * builtins.c (var_decl_component_p): New function.
727 (fold_builtin_memset, fold_builtin_memory_op): Restrict
728 single entry optimization to variables and components thereof.
730 2006-10-10 Richard Guenther <rguenther@suse.de>
732 PR rtl-optimization/29323
733 * except.c (set_nothrow_function_flags): For functions
734 that do not bind local bail out early.
736 2006-10-10 Ben Elliston <bje@au.ibm.com>
738 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
741 2006-10-09 Richard Henderson <rth@redhat.com>
745 2006-10-09 Richard Guenther <rguenther@suse.de>
748 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
751 2006-10-09 Steve Ellcey <sje@cup.hp.com>
754 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
755 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
756 * configure: Regenerate.
757 * config.in: Regenerate.
759 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
761 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
763 2006-10-08 Richard Sandiford <richard@codesourcery.com>
765 * config/mips/mips.c (mips_legitimize_tls_address): Implement
766 all TLS models in the same way as local exec if !TARGET_ABICALLS.
767 Remove stray newline.
769 2006-10-08 Richard Sandiford <richard@codesourcery.com>
771 * config/mips/mips.c (mips_classify_symbol): Do not return
772 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
773 (mips_in_small_data_p): Tweak comments.
775 2006-10-08 Richard Sandiford <richard@codesourcery.com>
777 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
779 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
781 * gimplify.c, sched-int.h: Fix comment typos.
783 * sched-int.h: Fix comment typos.
785 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
787 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
789 * sched-ebb.c (begin_schedule_ready): Use them.
790 * haifa-sched.c (schedule_insn, move_insn, try_ready,
791 add_to_speculative_block, create_check_block_twin, speculate_insn,
792 fix_jump_move, move_block_after_check): Ditto.
793 * sched-rgn.c (new_ready): Ditto.
795 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
797 PR rtl-optimization/29128
798 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
799 * sched-ebb.c (advance_target_bb): Use it to fix condition to
800 allow interblock movement of speculation checks.
802 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
805 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
806 casted to integer type.
807 (get_address_cost): Decrease cost of [symbol + index] addressing modes
808 if they are significantly more expensive than [reg + index] ones.
810 2006-10-06 Jakub Jelinek <jakub@redhat.com>
812 PR tree-optimization/29330
813 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
814 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
815 on newly allocated ddrs.
816 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
817 to VEC (loop_p, heap) pointer.
818 (compute_data_dependences_for_loop): Adjust caller.
819 (free_dependence_relations): Free DDR_LOOP_NEST.
821 * tree-loop-linear.c (linear_transform_loops): Don't forget to
822 free DEPENDENCE_RELATIONS and DATAREFS.
825 * builtins.c (expand_builtin_sync_operation,
826 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
827 Use convert_to_mode to handle promoted arguments.
829 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
831 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
833 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
835 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
837 2006-10-05 Uros Bizjak <uros@kss-loka.si>
839 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
840 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
841 Use <modeconstraint> instead of "r" as operand 1 constraint.
843 2006-10-06 Olivier Hainque <hainque@adacore.com>
845 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
846 Don't recurse on the pointed-to type.
847 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
848 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
849 types with components of variable size.
851 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
853 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
855 2006-10-06 Jakub Jelinek <jakub@redhat.com>
857 PR tree-optimization/29290
858 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
862 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
863 * config/i386/predicates.md (local_symbolic_operand): Likewise.
866 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
867 the number of vector elements fill the rest with zeros.
869 2006-10-05 Richard Sandiford <richard@codesourcery.com>
871 * config/mips/mips.c (mips_pass_by_reference): Do not return false
872 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
875 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
877 * config/bfin/bfin.md (subsi3): Lose expander, change previously
878 unnamed pattern into subsi3. Use correct constraints/predicates.
879 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
880 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
882 2006-10-05 Ira Rosen <irar@il.ibm.com>
884 * doc/loop.texi: Add data references analysis description.
886 2006-10-04 Brooks Moses <bmoses@stanford.edu>
888 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
890 2006-10-04 Richard Henderson <rth@redhat.com>
891 Jakub Jelinek <jakub@redhat.com>
893 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
894 * builtin-types.def (BT_WORD): Make unsigned.
895 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
896 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
897 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
898 * c-decl.c (grokdeclarator): Don't error if !have_tls.
899 * c-parser.c (c_parser_omp_threadprivate): Likewise.
900 * cgraph.c (decide_is_variable_needed): Look at force_output.
901 Recurse for emulated tls.
902 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
903 checks redundant with decide_is_variable_needed.
904 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
905 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
907 * expr.c (emutls_var_address): New.
908 (expand_expr_real_1): Expand emulated tls.
909 (expand_expr_addr_expr_1): Likewise.
910 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
911 * output.h (emutls_finish): Declare.
912 * toplev.c (compile_file): Call it.
913 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
914 address before wrapping in CONST.
915 * varasm.c (emutls_htab, emutls_object_type): New.
916 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
917 (get_emutls_object_name, get_emutls_object_type): New.
918 (get_emutls_init_templ_addr, emutls_decl): New.
919 (emutls_common_1, emutls_finish): New.
920 (assemble_variable): When emulating tls, swap decls; generate
921 constructor for the emutls objects.
922 (do_assemble_alias): When emulating tls, swap decl and target name.
923 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
925 * emutls.c: New file.
926 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
927 tls_object for real tls.
929 2006-10-04 Zack Weinberg <zackw@panix.com>
931 Fix bug in constraint-check generator, reported by Rask Ingemann
933 * genpreds.c (add_constraint): Don't remove anything from the
935 (write_tm_constrs_h): Detect whether "op" argument is used, and
936 mark it ARG_UNUSED if it isn't.
937 (write_insn_const_int_ok_for_constraint): Skip the part of the
938 expression that would test whether "op" (which is not available
939 here) is a CONST_INT.
941 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
944 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
946 2006-10-03 Geoffrey Keating <geoffk@apple.com>
948 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
949 current Leopard versions.
950 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
952 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
954 * doc/install.texi: Fix typos.
956 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
958 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
959 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
960 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
962 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
964 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
965 arg to be struct mach_header_64* instead.
967 2006-10-02 Jakub Jelinek <jakub@redhat.com>
970 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
971 side effects after the outer expression's post side effects.
973 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
975 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
976 comments to reflect actual behavior and relationship between
977 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
979 * doc/c-tree.texi (Working with declarations): Fix documentation
980 of FIELD_DECL likewise.
982 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
985 * doc/extend.texi: Add used variable attribute description.
987 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
990 * c.opt (Woverride-init): New.
991 * c-opts.c (c_common_post_options): Default warn_override_init to
993 * c-typeck.c (add_pending_init, output_init_element): Warn for
994 overriding initializers without side effects.
995 * doc/invoke.texi (-Woverride-init): Document.
998 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1000 PR rtl-optimization/28096
1001 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1002 assignment has already been used as a destination earlier in the block.
1004 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1006 * builtins.c (expand_builtin_setjmp): Delete.
1007 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1008 <BUILT_IN_SETJMP_SETUP>: New case.
1009 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1010 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1011 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1012 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1013 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1014 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1015 (lower_function_body): Initialize it to false. If it is set to true
1016 at the end of the processing, emit the setjmp dispatcher.
1017 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1018 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1019 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1020 on the rhs of the assignment.
1021 (lower_builtin_setjmp): New function.
1022 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1023 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1024 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1025 to detect calls that can go to non-local labels. Use specific
1026 helper to create the abnormal edges associated with them.
1027 <MODIFY_EXPR>: Likewise.
1028 (make_abnormal_goto_edges): New function extracted from...
1029 (make_goto_expr_edges): ...here. Call it for computed gotos.
1030 (simple_goto_p): Minor tweak.
1031 (tree_can_make_abnormal_goto): New predicate.
1032 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1033 (tree_purge_dead_abnormal_call_edges): New function.
1034 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1035 (tree_purge_dead_abnormal_call_edges): Likewise.
1036 (make_abnormal_goto_edges): Likewise.
1037 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1038 Purge all dead abnormal edges if the call was in the last statement.
1039 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1040 (execute_fixup_cfg): If there are non-local labels in the function,
1041 scan the basic blocks and split them at calls that can go to non-local
1042 labels or add missing abnormal call edges. Write down the CFG in the
1044 (pass_fixup_cfg): Remove TODO_dump_func flag.
1045 * unwind-sjlj.c: Poison setjmp.
1046 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1047 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1048 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1049 (DONT_USE_BUILTIN_SETJMP): Document it.
1051 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1054 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1055 to 1 when __ppc64__ is defined.
1056 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1058 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1060 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1062 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1063 * config/ia64/unwind-hpux.c: Delete.
1065 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1067 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1068 on the element before gimplifying it, instead of punting if it is of
1071 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1073 * doc/loop.texi: New file.
1074 * doc/gccint.texi: Reference loop.texi.
1075 * Makefile.in (loop.texi): Add.
1077 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1079 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1081 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1082 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1084 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1086 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1088 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1090 * doc/install.texi: Document required versions of GMP and MPFR.
1092 2006-09-27 Paul Brook <paul@codesourcery.com>
1095 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1097 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1099 * reload1.c (alter_reg): Require the alignment of the stack slot to
1100 be at least reg_max_ref_width bytes.
1101 (scan_paradoxical_subregs): Record the largest width in
1104 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1108 * tree-nested.c (struct nesting_info): Added static_chain_added.
1109 (convert_call_expr): Set static_chain_added when adding static
1110 chain. Handle OMP_PARALLEL and OMP_SECTION.
1112 2006-09-25 Matthias Klose <doko@debian.org>
1114 * doc/invoke.texi: Add missing full stop.
1116 2006-09-25 Richard Henderson <rth@redhat.com>
1118 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1119 before cgraph_function_flags_ready.
1121 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1122 Adam Nemet <anemet@caviumnetworks.com>
1124 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1125 determine_common_wider_type): New functions.
1126 (get_computation_aff): Use them to simplify arithmetic between
1127 UBASE and CBASE if they are shortened from the same type.
1129 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1132 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1133 -2147483647 - 1 instead of 0x80000000.
1135 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1137 * flags.h (HONOR_NANS): Fix typo in comment.
1139 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1141 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1143 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1147 * tree.c (merge_attributes, attribute_list_contained): If both
1148 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1150 * c-typeck.c (comptypes_internal): Don't consider aggregates
1151 in different TUs as compatible if there one set of attributes is
1152 not a subset of the other type's attributes.
1153 (composite_type): Try harder not to create a new aggregate type.
1155 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1157 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1158 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1159 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1160 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1161 than replicating condition above.
1162 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1164 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1165 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1166 the linker by default.
1168 2006-09-22 Mike Stump <mrs@apple.com>
1170 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1173 2006-09-22 Richard Guenther <rguenther@suse.de>
1176 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1177 sort of stack variables stable.
1179 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1182 * explow.c (force_reg): Set REG_POINTER flag according to
1185 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1187 PR tree-optimization/28888
1188 * tree-if-conv.c (combine_blocks): Rewritten.
1189 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1190 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1192 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1194 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1197 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1199 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1201 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1203 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1205 2006-09-21 Roger Sayle <roger@eyesopen.com>
1208 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1209 dw_fde_current_label, to be the start of the function, i.e. the same
1210 value as dw_fde_begin.
1212 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1214 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1215 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1216 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1217 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1218 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1219 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1220 (abs<mode>2, neg<mode>2): Likewise.
1221 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1222 (*mips_abs_ps): New define_insn.
1224 2006-09-20 Josh Conner <jconner@apple.com>
1227 * calls.c (expand_call): Allow reuse of structure return stack
1230 2006-09-20 Paul Brook <paul@codesourcery.com>
1232 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1235 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1237 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1238 clean up terminology.
1240 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1243 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1244 with tablejumps in them.
1246 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1249 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1250 wrap it into TARGET_EXPR.
1252 2006-09-20 Eric Christopher <echristo@apple.com>
1254 * config/i386/i386.c (x86_fisttp): Remove.
1255 * config/i386/i386.h (x86_fisttp): Ditto.
1256 (TARGET_FISTTP): Ditto.
1258 2006-09-19 Eric Christopher <echristo@apple.com>
1260 * doc/tm.texi (OBJC_JBLEN): Describe.
1261 * config/i386/darwin.h (OBJC_JBLEN): Define.
1262 * config/rs6000/darwin.h: Ditto.
1264 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1266 PR rtl-optimization/21299
1267 * reload1.c (reload): Purge invalid ASMs in the final pass.
1269 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1272 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1273 pointers as legitimate constants.
1275 2006-09-19 Paul Brook <paul@codesourcery.com>
1278 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1280 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1282 PR tree-optimization/28887
1283 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1284 component parts from the reference.
1285 (gather_memory_references_ref): Record the reference without the
1286 nonaddressable component parts.
1288 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1291 * c-opts.c (c_common_handle_option): Ignore the -std options
1292 if the input language is assembly.
1294 2006-09-17 Ira Rosen <irar@il.ibm.com>
1297 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1299 (ptr_ptr_may_alias_p): Likewise.
1300 (record_record_differ_p): New function.
1301 (base_object_differ_p): Call record_record_differ_p.
1303 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1306 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1307 away for the expr argument.
1309 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1312 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1313 before using it for dumping after vectorizing loops.
1315 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1316 Jack Howarth <howarth@bromo.med.uc.edu>
1319 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1320 skip on error_mark_node.
1321 (rs6000_darwin64_record_arg_recurse): Likewise.
1323 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1325 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1326 * doc/rtl.texi: Remove related documentation.
1328 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1330 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1333 2006-09-15 Jim Wilson <wilson@specifix.com>
1335 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1336 Handle symbol offsets same as they are handled in ia64_expand_move
1339 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1341 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1342 Add forgotten parameter to the fprintf call.
1344 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1346 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1348 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1350 * doc/contrib.texi: Add my entry.
1352 2006-09-15 Nick Clifton <nickc@redhat.com>
1354 * doc/md.texi (Processor pipeline description): Fix typo in
1355 example of how to use the absence_set directive and reword the
1356 description to make it slightly easier to read.
1358 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1360 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1361 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1362 expanding the number of iterations.
1363 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1365 * cfgrtl.c (emit_insn_at_entry): New function.
1366 * rtl.h (emit_insn_at_entry): Declare it.
1367 * integrate.c (emit_initial_value_sets): Use it.
1369 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1371 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1373 (struct loop_work and related VEC declarations): Delete.
1374 (bfin_dump_loops): Print out new member bad.
1375 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1376 (bfin_scan_loop): Don't recurse.
1377 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1378 loops. No longer need to update outer loops if the current one is
1379 found bad. Move some validitiy checks to bfin_discover_loop.
1380 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1381 but changed not to check for nesting. Also changed to use the new bad
1383 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1384 time. Use bitmap based test to discover loop nesting.
1386 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1388 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1391 2006-09-14 Richard Guenther <rguenther@suse.de>
1392 Kazu Hirata <kazu@codesourcery.com>
1394 PR middle-end/28884.
1395 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1396 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1397 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1398 with TARGET_FUNCTION_VALUE.
1400 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1403 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1405 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1407 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1410 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1413 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1416 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1418 * basic_block.h (bb_has_eh_pred): Fix comment.
1420 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1422 * flow.c (calculate_global_regs_live): Invalidate eh registers
1423 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1424 (propagate_block): Handle eh registers as if they were set at basic
1426 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1428 * global.c (global_conflicts): Make eh registers to conflict with
1429 pseudos live at basic block begin.
1430 * basic_block.h (bb_has_eh_pred): New function.
1432 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1434 PR rtl-optimization/28982
1435 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1436 index of a PRE_MODIFY or POST_MODIFY address.
1437 * reload1.c (inc_for_reload): Use find_replacement on the original
1438 base and index registers.
1440 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1442 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1443 for -Os. Update __m128 alignment requirement.
1445 2006-09-13 Jan Hubicka <jh@suse.cz>
1447 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1449 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1451 PR rtl-optimization/28243
1452 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1453 the insn to which the note was originally attached.
1455 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1456 Roger Sayle <roger@eyesopen.com>
1458 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1459 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1460 on platforms that don't use dwarf for debug info.
1462 2006-09-12 Jason Merrill <jason@redhat.com>
1465 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1466 hard_frame_pointer_rtx after using it to update the frame pointer.
1468 2006-09-12 Roger Sayle <roger@eyesopen.com>
1470 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1471 (TARGET_ASM_CLOSE_PAREN): Likewise.
1472 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1473 (TARGET_ASM_CLOSE_PAREN): Likewise.
1475 2006-09-12 Roger Sayle <roger@eyesopen.com>
1478 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1479 frame information for frames larger than 512 Kbytes on Tru64 when
1480 using the native assembler.
1482 2006-09-12 Roger Sayle <roger@eyesopen.com>
1486 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1487 and symbols. Instead use the implementation from cse.c's hash_rtx.
1489 2006-09-12 Jan Hubicka <jh@suse.cz>
1491 PR rtl-optimization/28071
1492 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1493 (vect_transform_loop): Likewise.
1494 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1495 (new_loop_vec_info): Likewise.
1496 (destroy_loop_vec_info): Likewise.
1497 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1498 (create_stmt_ann): Likewise.
1499 (create_tree_ann): Rename to ...
1500 (create_tree_common_ann): ... this one; allocate only the common part
1502 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1503 (get_value_handle): Likewise.
1504 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1505 get_tree_common_ann.
1506 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1507 (vinfo_for_stmt): Use stmt annotations.
1508 * tree-flow.h (tree_ann_common_t): New type.
1509 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1510 (tree_ann, get_tree_ann, create_tree_ann): New.
1511 * tree-flow-inline.h (get_function_ann): Do more type checking.
1512 (stmt_ann): Likewise.
1513 (tree_ann): Rename to ...
1514 (tree_common_ann): ... this one; return ony common_ann
1515 (get_tree_ann): Rename to ...
1516 (tree_common_ann): This one; return only common_ann.
1517 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1520 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1522 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1523 with_cpu by default.
1525 * dwarf2out.c (dwarf_file_data): New.
1526 (enum dw_val_class): Add dw_val_class_file.
1527 (struct dw_val_struct): Add val_file.
1528 (file_table): Change to a hash table.
1529 (file_table_emitted): Delete.
1530 (file_table_last_lookup_index): Delete.
1531 (emitcount): Delete.
1532 (last_emitted_file): New.
1533 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1534 (init_file_table): Delete.
1535 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1536 (AT_addr): Add comment.
1540 (print_die): Handle dw_val_class_file.
1541 (print_dwarf_line_table): Update for new file table structure.
1542 (attr_checksum): Do checksum a filename.
1543 (same_dw_val_p, same_attr_p): Do compare a filename.
1544 (size_of_die): Handle dw_val_class_file.
1545 (value_format): Likewise.
1546 (output_die): Likewise. Also, call maybe_emit_file here.
1547 (struct file_info): Constify filenames. Make file_idx a pointer
1548 to a struct dwarf_file_data.
1549 (struct dir_info): Constify directory names. Remove 'used' field.
1550 (struct file_name_acquire_data): New.
1551 (file_name_acquire): New.
1552 (output_file_names): Modify to handle new file data structures.
1553 (add_src_coords_attributes): Use add_AT_file.
1554 (add_call_src_coords_attributes): Likewise.
1555 (dwarf2out_imported_module_or_decl): Likewise.
1556 (gen_subprogram_die): Modify for new file data structures.
1557 (gen_variable_die): Likewise.
1558 (file_table_eq): New.
1559 (file_table_hash): New.
1560 (file_table_last_lookup): New.
1561 (lookup_filename): Rewrite to handle new file data structures.
1562 (maybe_emit_file): Rewrite to handle new file data structures.
1563 (dwarf2out_source_line): Always call lookup_filename and
1565 (dwarf2out_init): Create file_table here.
1566 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1567 (file_table_relative_p): New.
1568 (dwarf2out_finish): Change detection of relative filenames
1569 to work with new file data structures. Move output_line_info call
1570 after debug_info output.
1572 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1577 * config/i386/i386.c (override_options): Always default to 16
1578 byte stack boundary.
1580 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1583 * var-tracking.c (dump_dataflow_set): Start dumping at
1585 (clobber_variable_part): Kill only the variable part in
1586 registers holding it, leaving other variables alone.
1588 2006-09-11 Josh Triplett <josh@freedesktop.org>
1590 * doc/extend.texi (Other Builtins): Actually use the macro
1591 argument in the documentation example for
1592 __builtin_types_compatible_p.
1594 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1596 PR rtl-optimization/28726
1597 * sched-deps.c (sched_analyze_reg): New function extracted from...
1598 (sched_analyze_1): ...here. Call it to analyze references to
1599 registers. Treat again writes to a stack register as writing to the
1601 (sched_analyze_2): ...and here. Call it to analyze references to
1602 registers. Treat again reads of a stack register as reading the
1605 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1606 David Edelsohn <edelsohn@gnu.org>
1609 * config/rs6000/spe.md (frob_df_di): Remove %H.
1610 (frob_di_df): Remove %H. Change evmergelo to mr.
1611 (frob_di_df_2): Remove %H. Change evldd to two loads.
1613 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1615 * doc/cpp.texi: Fix names of charset options.
1617 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1620 * config/i386/i386.c (override_options): Use 128-bit
1621 stack boundary always for 64bits.
1623 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1625 PR rtl-optimization/28636
1626 * combine.c (force_to_mode): Test for side-effects before
1627 substituting by zero.
1628 (simplify_shift_const): Likewise for zero or other constants.
1630 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1633 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1636 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1639 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1640 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1641 returned by mode_for_size, rather than the mode of src itself,
1642 to choose between 32-bit and 64-bit patterns.
1643 (mips_mem_fits_mode_p): New function.
1644 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1645 that the size of the source matches the size of the destination.
1646 (mov_<store>l, mov_<store>r): Likewise.
1648 2006-09-10 Eric Christopher <echristo@apple.com>
1650 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1653 2006-09-09 Eric Christopher <echristo@apple.com>
1656 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1659 2006-09-09 Roger Sayle <roger@eyesopen.com>
1660 Nicolas Setton <setton@adacore.com>
1662 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1664 2006-09-10 Andreas Schwab <schwab@suse.de>
1666 * config/m68k/m68k.md (bungt_rev): New pattern.
1668 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1669 Dale Johannesen <dalej@apple.com>
1672 * regclass.c (struct reg_pref): Update documentation.
1673 (regclass): Set prefclass to NO_REGS if memory is the best option.
1674 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1676 2006-09-08 Eric Christopher <echristo@apple.com>
1678 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1679 * config/t-slibgcc-darwin: Support x86_64 multilib.
1680 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1681 Return 1 for x86_64-darwin.
1682 * config/i386/t-darwin: Add m64 multilib.
1683 (LIB2_SIDITI_CONV_FUNCS): Use.
1684 (LIB2FUNCS_EXTRA): Ditto.
1685 * config/i386/darwin.h: Support x86_64.
1686 * config/i386/i386.c (override_options): Turn on flag_pic
1687 for x86_64-darwin. Disable flag_omit_pointer.
1688 (get_pc_thunk_name): Assert !TARGET_64BIT.
1689 (legitimate_address_p): Disable machopic addressing for
1691 (legitimize_pic_address): Ditto.
1692 (ix86_expand_move): Ditto.
1693 (ix86_expand_call): Ditto.
1694 (machopic_output_stub): Ditto.
1695 * config/darwin.c (machopic_select_section): Support literal16.
1696 (machopic_select_rtx_section): Ditto.
1697 * config/darwin-sections.def: Ditto.
1698 * config/darwin-64.c: New.
1700 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1703 * c-tree.h (struct c_arg_info): Add pending_sizes.
1704 * c-parser.c (c_parser_parms_declarator,
1705 c_parser_parms_list_declarator): Initialize pending_sizes.
1706 * c-decl.c (get_parm_info): Initialize pending_sizes.
1707 (get_parm_info): Set pending_sizes.
1708 (grokdeclarator): Call put_pending_sizes for parameters for
1709 function definition only.
1711 2006-09-07 Jason Merrill <jason@redhat.com>
1714 * varasm.c (output_constant): Only strip actual no-op conversions.
1717 * config/i386/i386.c (override_options): Use 128-bit
1718 stack boundary if -msse.
1720 2006-09-07 Eric Christopher <echristo@apple.com>
1722 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1724 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1727 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1729 * dwarf2out.c: Remove strange characters from comment above
1730 dwarf2out_frame_debug_expr.
1732 2006-09-07 Eric Christopher <echristo@apple.com>
1734 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1735 * config/darwin.h: ... to here.
1737 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1739 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1741 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1742 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1744 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1745 TARGET_PARTIAL_FLAG_REG_STALL.
1746 (*ashldi3_cconly_rex64): Likewise.
1747 (*ashlsi3_cmp): Likewise.
1748 (*ashlsi3_cconly): Likewise.
1749 (*ashlsi3_cmp_zext): Likewise.
1750 (*ashlhi3_cmp): Likewise.
1751 (*ashlhi3_cconly): Likewise.
1752 (*ashlqi3_cmp): Likewise.
1753 (*ashlqi3_cconly): Likewise.
1754 (*ashrdi3_cmp_rex64): Likewise.
1755 (*ashrdi3_cconly_rex64): Likewise.
1756 (*ashrsi3_cmp): Likewise.
1757 (*ashrsi3_cconly): Likewise.
1758 (*ashrsi3_cmp_zext): Likewise.
1759 (*ashrhi3_cmp): Likewise.
1760 (*ashrhi3_cconly): Likewise.
1761 (*ashrqi3_cmp): Likewise.
1762 (*ashrqi3_cconly): Likewise.
1763 (*lshrdi3_cmp_rex64): Likewise.
1764 (*lshrdi3_cconly_rex64): Likewise.
1765 (*lshrsi3_cmp): Likewise.
1766 (*lshrsi3_cconly): Likewise.
1767 (*lshrsi3_cmp_zext): Likewise.
1768 (*lshrhi3_cmp): Likewise.
1769 (*lshrhi3_cconly): Likewise.
1770 (*lshrqi2_cmp): Likewise.
1771 (*lshrqi2_cconly): Likewise.
1773 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1776 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1777 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1778 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1779 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1780 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1781 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1782 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1783 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1784 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1785 implement only CC setting effects of shift instructions.
1787 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1789 * doc/contrib.texi: Add myself.
1791 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1794 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1795 was set by the user.
1797 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1800 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1801 (divsi_inv_m1): Use them.
1802 (UNSPEC_DIV_INV_TABLE): New constant.
1804 2006-09-06 James E Wilson <wilson@specifix.com>
1807 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1808 then call count_or_remove_death_notes.
1810 2006-09-06 Jason Merrill <jason@redhat.com>
1813 * tree-inline.c (copy_result_decl_to_var): New fn.
1814 (declare_return_variable): Use it. Call declare_inline_vars here.
1815 (expand_call_inline): Not here.
1817 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1819 * doc/contrib.texi: Update my entry.
1821 2006-09-06 Nick Clifton <nickc@redhat.com>
1823 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1825 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1828 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1829 (canonicalize_induction_variables): Likewise.
1830 (tree_unroll_loops_completely): Likewise.
1831 (tree_ssa_prefetch_arrays): Likewise.
1832 (remove_empty_loops): Likewise.
1833 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1834 TODO_cleanup_cfg instead of directly calling
1835 cleanup_tree_cfg_loop.
1836 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1838 (tree_unroll_loops_completely): Likewise.
1839 (remove_empty_loops): Likewise.
1840 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1841 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1842 of tree_ssa_unswitch_loops.
1843 (tree_ssa_loop_ivcanon): Use the return value of
1844 canonicalize_induction_variables.
1845 (tree_ssa_empty_loop): Use the return value of
1847 (tree_complete_unroll): Use the return value of
1848 tree_unroll_loops_completely.
1849 (tree_ssa_loop_prefetch): Use the return value of
1850 tree_ssa_prefetch_arrays.
1851 * passes.c (execute_todo): Before Cleanup CFG, set
1852 updating_used_alone and after cleanup CFG, call
1853 recalculate_used_alone.
1855 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1858 * tree-vect-transform.c (vectorizable_condition): Move the check
1859 for the type after the check for simple condition.
1861 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1862 Kaz Kojima <kkojima@gcc.gnu.org>
1865 * mode-switching.c (optimize_mode_switching): Make the destination
1866 block of an abnormal edge have no anticipatable mode. Don't
1867 insert mode switching code at the end of the source block of
1870 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1872 PR rtl-optimization/26847
1873 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1874 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1875 (simplify_plus_minus): Count n_constants while filling ops. Replace
1876 qsort with insertion sort. Before going through the array to simplify
1877 pairs, sort it. Delay early exit until after the first sort, exiting
1878 only if no swaps occurred. Simplify pairs in reversed order, without
1879 special-casing the first iteration. Pack ops after simplifying pairs.
1881 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1883 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1884 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1885 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1886 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1888 2006-09-05 Richard Guenther <rguenther@suse.de>
1890 PR tree-optimization/28900
1891 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1892 compound conditional before creating COND_EXPR condition.
1894 2006-09-05 Richard Guenther <rguenther@suse.de>
1896 PR tree-optimization/28905
1897 * tree-vrp.c (fix_equivalence_set): Manually implement
1898 !value_ranges_intersect_p to also handle symbolic ranges.
1900 2006-09-05 Richard Guenther <rguenther@suse.de>
1903 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1906 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1908 PR rtl-optimization/27616
1909 * cse.c (table_size): New static variable.
1910 (new_basic_block): Initialize it to 0.
1911 (remove_from_table): Decrement it.
1912 (insert): Increment it.
1913 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1914 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1915 fold_rtx_mem_1 if under the cap.
1916 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1917 the lookup of the equivalent expression and test for equality of the
1918 first operand of the equivalent expression before in turn looking up
1919 an equivalent constant for the second operand.
1921 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1924 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1925 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1926 pointer, instead of assuming it is possible to derive the
1927 correct args size from a call insn.
1929 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1932 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1933 (fold_builtin_mempcpy): Rename to...
1934 (fold_builtin_memory_op): ... this. Optimize one element copy
1936 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1938 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1939 (expand_builtin_memcpy, expand_builtin_mempcpy,
1940 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1941 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1942 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1943 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1945 2006-09-01 DJ Delorie <dj@redhat.com>
1947 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1948 (stzx_16): Likewise.
1949 ("stzx_24_<mode>"): Likewise.
1950 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1951 ("cmp<mode>_op"): New.
1952 (cmp<mode>): Change to expander; just save operands.
1954 (b<code>): Change to expander, emit compare here.
1955 (s<code>_op): Change to use split and expander.
1956 (s<code>_24_op): Likewise.
1957 (s<code>_<mode>): New.
1958 (s<code>_<mode>_24): New.
1959 (movqicc_<code>_<mode): New.
1960 (movhicc_<code>_<mode>): New.
1963 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1964 (m32c_pend_compare): New.
1965 (m32c_unpend_compare): New.
1966 (m32c_expand_scc): New.
1967 (m32c_expand_movcc): Emit the compare also.
1968 * config/m32c/predicates.md (mra_nopp_operand): New.
1970 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1971 Richard Guenther <rguenther@suse.de>
1972 Adam Nemet <anemet@caviumnetworks.com>
1975 * builtins.c (get_pointer_alignment): Handle more forms
1976 of base addresses that can be used to derive more precise
1977 information about alignment.
1979 2006-09-01 Jason Merrill <jason@redhat.com>
1982 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1985 * gimplify.c (voidify_wrapper_expr): Handle null type.
1987 2006-09-01 Josh Conner <jconner@apple.com>
1990 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1991 (execute_return_slot_opt): Use it.
1993 2006-08-31 Josh Conner <jconner@apple.com>
1996 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1997 returning aggregates.
1999 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2001 PR tree-optimization/28839
2002 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2003 blocks in that phi arguments appear.
2005 2006-08-31 Roger Sayle <roger@eyesopen.com>
2008 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2009 NULL, otherwise use an advance_loc4 to adjust relative to the
2011 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2012 (dwarf2out_switch_text_section): Reset the current label to avoid
2013 using advance_loc4 over section boundaries.
2015 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2018 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2019 r12 + SYMBOLIC_CONST.
2021 2006-08-30 Richard Guenther <rguenther@suse.de>
2023 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2025 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2027 PR rtl-optimization/27735
2028 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2029 Add new argument to keep track of whether an irreducible region
2030 was affected. All callers changed.
2031 (fix_irreducible_loops): Removed.
2032 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2033 flags were invalidated.
2035 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2037 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2038 instead of SF operands.
2039 (*fop_df_comm_sse): Likewise.
2040 (*fop_df_comm_i387): Likewise.
2041 (*fop_df_1_mixed): Likewise.
2042 (*fop_df_1_sse): Likewise.
2044 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2045 J"orn Rennecke <joern.rennecke@st.com>
2047 PR tree-optimization/17506
2048 * tree-ssa.c (warn_uninit): If warning about a location outside of
2049 the current function, note where the variable was declared.
2051 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2053 PR tree-optimization/28411
2054 * double-int.c (double_int_div): Use double_int_divmod.
2055 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2056 double_int_mod, double_int_smod, double_int_umod): New functions.
2057 * double-int.h (double_int_divmod, double_int_sdivmod,
2058 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2060 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2062 (get_computation_aff, get_computation_cost_at): Handle double_int
2063 return type of constant_multiple_of.
2065 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2068 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2069 an implicit conversion.
2071 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2073 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2075 2006-08-27 Roger Sayle <roger@eyesopen.com>
2077 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2080 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2082 * config/i386/crtfastmath.c: Fix a comment typo.
2084 2006-08-26 Roger Sayle <roger@eyesopen.com>
2086 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2087 temporary visit flags on CASE_LABEL_EXPRs.
2088 * c-common.c (match_case_to_enum): Add function comment. Avoid
2089 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2090 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2091 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2092 a constant, only warn if that constant value isn't handled.
2094 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2097 * input.h (restore_input_file_stack): Declare.
2098 (INPUT_FILE_STACK_BITS): Define.
2099 * toplev.c (fs_p, input_file_stack_history,
2100 input_file_stack_restored, restore_input_file_stack): New.
2101 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2102 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2103 (pop_srcloc): Don't free old state of stack.
2105 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2108 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2109 (PowerPC Type Attributes): New.
2111 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2113 * config/xtensa/xtensa.c (function_arg_boundary): New.
2114 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2116 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2117 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2119 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2122 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2125 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2127 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2128 (verify_local_live_at_start): Likewise.
2130 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2133 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2134 omp_add_variable): Treat sizes as variable whenever not
2137 2006-08-26 Richard Guenther <rguenther@suse.de>
2140 * fold-const.c (fold_binary): Fold temporary to correct
2141 type before constructing new comparison.
2143 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2146 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2147 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2149 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2152 * c-decl.c (start_function): Don't try to process prototype
2153 information from old declaration that isn't a function.
2155 2006-08-25 Jan Hubicka <jh@suse.cz>
2158 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2160 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2163 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2166 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2168 PR tree-optimization/16876
2169 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2170 exit if PARM doesn't match VALUE.
2172 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2174 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2175 literal_prefix directive.
2176 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2177 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2178 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2180 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2183 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2184 predicate to general_operand. Add 0->y and I->r alternatives.
2186 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2188 * doc/tm.texi: Fix a typo.
2189 * predict.c: Fix comment typos.
2191 2006-08-25 Nick Clifton <nickc@redhat.com>
2193 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2194 assertions of "cpu" and "machine".
2196 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2199 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2200 the access through a base which has an alias set of 0 cannot
2203 2006-08-24 Bill Wendling <wendling@apple.com>
2205 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2207 2006-08-24 Jan Hubicka <jh@suse.cz>
2209 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2211 2006-08-24 Jan Hubicka <jh@suse.cz>
2214 * cgraph.c: Fix comments.
2215 (cgraph_varpool_mark_needed_node): Mark only variables not already
2217 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2218 (cgraph_varpool_assembled_nodes_queue): New static variable.
2219 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2220 (cgraph_varpool_output_debug_info): New function.
2221 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2222 * Makefile.in: Add gt-cgraphunit.h
2224 2006-08-24 Jan Hubicka <jh@suse.cz>
2226 * predict.c (probability_reliable_p): New predicate.
2227 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2228 (predict_loops): Do not predict loop exit with less than 2%
2230 * basic-block.h (edge_probability_reliable_p,
2231 br_prob_note_reliable_p): Declare.
2232 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2233 prediction when static predictor is not reliable.
2234 * rs6000.c (output_cbranch): Likewise.
2236 2006-08-23 Stuart Hastings <stuart@apple.com>
2239 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2240 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2242 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2245 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2246 complex values, nor for generic vector values.
2248 2006-08-22 Richard Guenther <rguenther@suse.de>
2251 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2252 parameter. Convert arguments to arithmetic expression to the
2254 (analyze_scalar_evolution_1): Adjust caller.
2256 2006-08-22 Jan Hubicka <jh@suse.cz>
2258 Patch by Paolo Bonzini
2259 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2262 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2264 PR tree-optimization/28003
2265 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2266 before grouping aliases.
2268 2006-08-22 Roger Sayle <roger@eyesopen.com>
2270 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2271 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2273 2006-08-21 Jason Merrill <jason@redhat.com>
2276 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2277 wrapper. Loop to handle nested wrappers.
2278 (gimplify_bind_expr): Remove temp parameter.
2279 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2280 and STATEMENT_LIST on the rhs.
2281 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2282 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2283 (gimplify_target_expr): Remove special BIND_EXPR handling.
2285 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2287 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2290 2006-08-21 Olivier Hainque <hainque@adacore.com>
2292 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2293 Arrange for the temporary captures of components overlapping the lhs
2294 to happen before the lhs is possibly cleared.
2296 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2298 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2299 necessary places to pass the correct "number of registers" values
2302 2006-08-20 Jan Hubicka <jh@suse.cz>
2304 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2305 (create_name_tags): Instead of quadratic checking use hashtable.
2306 * bitmap.h: Include hashtab.h.
2307 (bitmap_hash): Declare.
2308 * bitmap.c (bitmap_hash): New function.
2310 2006-08-20 Jan Hubicka <jh@suse.cz>
2312 PR rtl-optimization/28071
2313 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2315 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2316 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2317 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2318 cgraph_decide_inlining_incrementally): Update use of
2319 cgraph_check_inline_limits.
2320 * cgraph.c (edge_hash, edge_eq): New function.
2321 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2322 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2323 cgraph_remove_node): Maintain call site hash.
2324 * cgraph.h (struct cgraph_node): Add call_site_hash.
2325 (cgraph_set_call_stmt): New function.
2327 2006-08-20 Jan Hubicka <jh@suse.cz>
2329 PR rtl-optimization/28071
2330 * reload1.c (reg_has_output_reload): Turn into regset.
2331 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2332 choose_reload_regs, emit_reload_insns): Update to new
2333 reg_has_output_reload.
2335 2006-08-20 Jan Hubicka <jh@suse.cz>
2338 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2339 function body sizes.
2340 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2342 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2345 * tree.c (handle_dll_attribute): Return early if not a
2346 var or function decl.
2348 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2351 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2352 alignment of SPE vector types.
2354 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2356 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2358 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2361 * cgraph.h (struct cgraph_node): Remove externally_visible
2363 * cgraphunit.c (process_function_and_variable_attributes): Set
2364 local.externally_visible rather than externally_visible.
2367 * c-common.c (handle_externally_visible_attribute): First look
2368 at TREE_CODE and only if it is function or var decl, check for
2369 non-public objects. Don't warn for DECL_EXTERNAL.
2370 * cgraphunit.c (process_function_and_variable_attributes): Warn
2371 if externally_visible attribute is used on non-public object.
2373 2006-08-17 Jan Hubicka <jh@suse.cz>
2375 PR tree-optimization/27865
2376 * reload1.c (forget_marked_reloads): New function.
2377 (forget_old_reloads_1): When data are passed, just mark the registers
2379 (reload_as_needed): Use the new mechanizm.
2381 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2384 * reload.h (reg_equiv_alt_mem_list): New declaration.
2385 * reload1.c (reg_equiv_alt_mem_list): New definition.
2386 (reload): Initialize it and release it.
2387 (delete_output_reload): Use it.
2388 * reload.c (push_reg_equiv_alt_mem): New function.
2389 (find_reloads_toplev): Call it.
2390 (find_reloads_address, find_reloads_address_1): Likewise.
2391 (find_reloads_subreg_address): Likewise.
2393 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2395 PR rtl-optimization/28489
2396 * sched-ebb.c (begin_schedule_ready): Create basic block
2398 (advance_target_bb): Skip empty blocks.
2399 * haifa-sched.c (bb_note): Make global.
2400 * sched-int.h (bb_note): Add prototype.
2402 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2404 PR tree-optimization/27865
2405 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2407 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2408 fold_used_pointer, pointer_used_p): New functions.
2409 (analyze_scalar_evolution_1): Use fold_used_pointer.
2410 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2411 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2414 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2417 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2418 or the INTEGER_CST. Fail on a CALL_EXPR.
2419 (fold_offsetof): Pass new argument to fold_offsetof_1.
2420 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2421 operand into an INDIRECT_REF.
2422 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2424 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2426 PR gcov/profile/26570
2427 * value-prof.c (static_values): Removed.
2428 (tree_find_values_to_profile): Do not set static_values.
2429 (find_values_to_profile): Do not free static_values.
2430 * profile.c (instrument_values): Do not free the values.
2431 (branch_prob): Free the values.
2433 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2435 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2437 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2440 * c-typeck.c (build_component_ref): Combine qualifiers of
2441 structure or union and field.
2443 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2445 PR rtl-optimization/28071
2446 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2447 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2448 * tree-into-ssa.c (struct dom_dfsnum): New.
2449 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2451 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2452 compute_global_livein.
2453 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2454 in phi nodes in the correct blocks.
2456 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2458 PR tree-optimization/28364
2459 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2461 (fold_affine_expr): New function.
2462 (may_eliminate_iv): Use fold_affine_expr.
2464 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2467 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2470 2006-08-16 Mike Stump <mrs@apple.com>
2472 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2473 * doc/cppopts.texi (-MD): Likewise.
2475 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2478 * c-common.c (handle_weak_attribute): Ignore and warn if
2479 not a FUNCTION_ or VAR_DECL.
2481 2006-07-15 Mike Stump <mrs@apple.com>
2484 * c-parser.c (c_parser_typeof_specifier): Don't use
2485 c_finish_expr_stmt, open code desired semantics instead.
2487 2006-08-15 Nick Clifton <nickc@redhat.com>
2489 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2490 fragment to tmake_file only if threads are enabled.
2491 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2492 * config/i386/t-gthr-win32: New file. ... here.
2494 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2497 * c-parser.c (c_parser_compound_statement_nostart): Reset
2498 parser->error after each statement.
2500 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2503 * omp-low.c (lower_omp_parallel): Convert t to
2504 receiver_decl's type.
2505 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2506 source before comparison.
2509 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2510 to itype in assignment to oldival2.
2512 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2516 * c-typeck.c (build_compound_expr): If the second expression
2517 is an error mark, then just return an error mark instead of
2518 creating a COMPOUND_EXPR.
2520 2006-07-14 Mike Stump <mrs@apple.com>
2522 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2524 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2526 * c-decl.c, var-tracking.c: Fix comment typos.
2528 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2530 PR rtl-optimization/28634
2531 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2532 for floating-point modes unless flag_unsafe_math_optimizations.
2534 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2535 Andrew Pinski <pinskia@physics.uc.edu>
2538 * tree.c (build_array_type): Unify array types with
2539 unspecified index_type.
2540 * c-decl.c (grokdeclarator): Make sure we do not modify a
2541 unified incomplete array type.
2542 * c-typeck.c (store_init_value): Create distinct type before
2543 filling in the index type in an initializer from a compound
2546 * c-decl.c (grokdeclarator): Remove code where we copy the
2549 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2551 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2552 into account for TODO_dump_cgraph.
2553 (TODO_update_ssa_no_phi): Likewise.
2554 (TODO_update_ssa_full_phi): Likewise.
2555 (TODO_update_ssa_only_virtuals): Likewise.
2556 (TODO_remove_unused_locals): Likewise.
2557 (TODO_set_props): Likewise.
2558 (TODO_update_stmt_usage): Likewise.
2560 2006-08-13 Dirk Mueller <dmueller@suse.de>
2562 * c-common.c (strict_aliasing_warning): Fix formatting.
2564 2006-08-13 Matthias Klose <doko@debian.org>
2566 * doc/invoke.texi: Fix spelling errors.
2568 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2570 PR rtl-optimization/23454
2571 * reorg.c (relax_delay_slots): Update comment.
2573 2006-08-11 Richard Guenther <rguenther@suse.de>
2576 * simplify-rtx.c (simplify_const_relational_operation):
2577 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2580 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2582 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2583 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2585 2006-08-10 Paul Brook <paul@codesourcery.com>
2587 * final.c (final_scan_insn): Clear current_insn_predicate before
2588 outputting inline asm.
2590 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2592 PR tree-optimization/26197
2593 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2594 get_ref_base_and_extent and overlap_subvar to add only relevant
2595 subvars as may-aliases.
2596 (add_may_alias_for_new_tag): New function, factored out of
2598 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2599 with additional argument.
2600 * tree-flow.h (new_type_alias): Takes additional argument.
2602 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2604 * gcov.c (no_data_file): New flag.
2605 (read_count_file): Set it if data file not present. Assume counts
2607 (output_lines): Don't name the data file, if there wasn't one.
2609 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2611 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2612 (rs6000_generate_compare): Tweak comments.
2613 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2615 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2617 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2618 (var_debug_decl): New function.
2619 (var_reg_set): Follow debug decl link. Add location even if
2620 reg is already known to hold some other variable.
2621 (var_mem_set): Follow debug decl link.
2622 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2623 decl link. Delete other known locations of the variable part
2625 (var_reg_delete, var_mem_delete): Delete other known locations
2626 of the variable part if requested.
2627 (same_variable_part_p): New function.
2628 (add_stores): Select MO_COPY when appropriate.
2629 (vt_initialize): Handle it.
2630 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2631 known locations for MO_SET and MO_CLOBBER.
2632 (find_variable_location_part): New function.
2633 (set_variable_part, delete_variable_part): Use it.
2634 (clobber_variable_part): New function.
2635 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2638 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2640 PR tree-optimization/26969
2641 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2642 with an empty list of PHIs.
2644 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2648 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2651 2006-08-06 Andreas Schwab <schwab@suse.de>
2653 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2654 string. Whitespace and comment fixup.
2656 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2659 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2663 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2666 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2668 2006-08-04 Jan Hubicka <jh@suse.cz>
2672 * reload.c (push_reload): Patch out the mismatching instruction;
2674 (find_reload): Bail out if the instruction was patched out.
2676 2006-08-04 Jan Hubicka <jh@suse.cz>
2678 PR tree-optimization/24888
2679 * tree-inline.c (expand_call_inline): Do not re-record variables.
2680 (declare_inline_vars): Add variable to unexpanded_var_list.
2682 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2683 Roger Sayle <roger@eyesopen.com>
2685 PR rtl-optimization/26244
2686 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2687 inner_const are negative or greater than or equal to the bitsize of
2688 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2689 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2690 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2691 CONST0_RTX (mode) when the new shift count is greater than or equal to
2692 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2695 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2697 * tree-cfg.c: Fix a comment typo.
2699 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2702 * varasm.c (output_constant): Give the front end another chance to
2703 expand constants, after stripping NOPs.
2705 2006-08-03 Jan Hubicka <jh@suse.cz>
2707 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2710 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2712 PR tree-optimization/27770
2713 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2714 declaration removed (moved to tree-flow.h).
2715 (vect_can_force_dr_alignment_p): Likewise.
2716 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2717 (moved from tree-vectorizer.h).
2718 (vect_can_force_dr_alignment_p): Likewise.
2719 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2720 from outside the vectorizer - in particular from cgraph stage.
2721 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2722 the alignment of global arrays when -fsection-anchors is enabled.
2723 * cgraphunit.c (cgraph_increase_alignment): New function.
2724 (cgraph_optimize): Call cgraph_increase_alignment.
2726 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2729 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2730 not reload a SPE symbol_ref into a lo_sum address.
2732 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2735 * dwarf2out.c (prune_unused_types_prune): Move call to
2736 prune_unused_types_update_strings to cover the parent DIE also.
2738 2006-08-02 Jan Hubicka <jh@suse.cz>
2740 PR gcov/profile/28480
2741 * tree-cfg.c (change_bb_for_stmt): New function.
2742 (tree_merge_blocks, tree_split_blocks): Use it.
2744 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2750 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2751 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2752 (cgraph_optimize): Likewise.
2754 2006-08-01 Stuart Hastings <stuart@apple.com>
2756 * rtl.h (UINTVAL) New.
2757 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2758 * testsuite/gcc.dg/20060801-1.c: New.
2760 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2763 * c-typeck.c (build_external_type): Mark used enum types.
2764 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2766 (gen_subprogram_die): Whitespace fix.
2768 2006-08-01 Jan Hubicka <jh@suse.cz>
2770 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2771 bitmap when not needed.
2772 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2775 2006-08-01 Dirk Mueller <dmueller@suse.de>
2777 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2779 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2781 * Makefile.in: Revert part of previous patch:
2782 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2785 2006-07-30 Eric Christopher <echristo@apple.com>
2788 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2789 (PowerPC Variable Attributes): New section.
2791 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2793 PR target/28126 (partial fix)
2794 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2796 2006-07-28 Jan Hubicka <jh@suse.cz>
2798 PR rtl-optimization/28071
2799 * cfgrtl.c (rtl_delete_block): Free regsets.
2800 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2802 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2804 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2805 and variables used in dependencies.
2807 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2809 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2810 %fs for -mcmodel=kernel.
2811 (stack_tls_protect_test_di): Likewise.
2813 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2815 * Makefile.in: Use mkinstalldirs.
2817 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2820 * opts-common.c (prune_options): Skip joined switches.
2822 2006-07-27 Jan Hubicka <jh@suse.cz>
2824 PR rtl-optimization/28071
2825 * cselib.c (cselib_process_insn): Don't remove useless values too
2826 often for very large hashtables.
2828 2006-07-27 Jan Hubicka <jh@suse.cz>
2830 PR rtl-optimization/28071
2831 * global.c (greg_obstack): New obstack.
2832 (allocate_bb_info): Use it.
2833 (free_bb_info): Likewise.
2834 (modify_reg_pav): Likewise.
2836 2006-07-27 Roger Sayle <roger@eyesopen.com>
2838 * builtins.c (fold_fixed_mathfn): When long and long long are the
2839 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2840 functions to their lceil*, lfloor*, lround* and lrint* forms.
2842 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2845 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2847 (rev_branch_insn): Likewise.
2849 2006-07-27 Jan Hubicka <jh@suse.cz>
2851 PR rtl-optimization/28071
2852 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2853 (reg_set_in_bb, max_reg_computed): New static variables.
2854 (regmove_optimize): Free the new array.
2855 (fixup_match_1): Update call of reg_is_remote_constant_p.
2857 2006-07-26 Jan Hubicka <jh@suse.cz>
2859 PR tree-optimization/27882
2860 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2862 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2864 (cgraph_analyze_compilation_unit): Likewise.
2865 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2866 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2867 (cgraph_early_inlinine): Make order garbage collected.
2868 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2870 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2872 * dbxout.c (output_types_sort): Add a comment.
2873 (output_used_types): Free the VEC.
2875 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2877 * function.c (reorder_fix_fragments): Delete.
2878 (reorder_blocks): Don't call it.
2879 (reorder_blocks_1): Put all subblocks under the origin block.
2881 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2883 PR rtl-optimization/27907
2884 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2887 2006-07-25 Roger Sayle <roger@eyesopen.com>
2890 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2891 bar(x) check that bar's result type can represent all the values of T.
2893 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2895 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2897 2006-07-25 Nick Clifton <nickc@redhat.com>
2899 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2900 size_lookup[] array.
2901 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2902 (ggc_pch_count_object): Likewise.
2903 (ggc_pch_alloc_object): Likewise.
2904 (ggc_pch_write_object): Likewise.
2905 (init_ggc): Do not attempt to initialize entries in the
2906 size_lookup[] array for objects whose size is greater than than
2907 the length of the array.
2909 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2911 * dbxout.c (output_used_types_helper): Push queued types
2913 (output_types_sort): New.
2914 (output_used_types): Collect used types on a VEC and sort them
2917 2006-07-24 Richard Guenther <rguenther@suse.de>
2920 * cgraph.c (cgraph_remove_node): Do not check if dumps
2922 * cgraphunit.c (cgraph_optimize): Likewise.
2924 2006-07-24 Jan Hubicka <jh@suse.cz>
2926 PR rtl-optimization/28071
2927 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2928 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2929 splitting before first stmt.
2931 2006-07-24 Jan Hubicka <jh@suse.cz>
2933 PR rtl-optimization/28071
2934 * ipa-inline.c (update_caller_keys): Remove edges that
2935 are no longer inline candidates.
2937 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2940 * dbxout.c (output_used_types_helper, output_used_types): New.
2941 (dbxout_symbol): Call output_used_types.
2943 2006-07-23 Jan Hubicka <jh@suse.cz>
2947 * cgraph.c (cgraph_varpool_nodes): Export.
2948 (decide_is_variable_needed): Ignored "used" attribute in
2949 unit-at-a-time mode.
2950 * cgraph.h (cgraph_varpool_nodes): Declare.
2951 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2952 unit-at-a-time mode.
2954 2006-07-23 Roger Sayle <roger@eyesopen.com>
2957 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2958 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2959 the __gthrw form of thr_keycreate.
2960 (__gthread_key_delete): Silence the unused argument warning.
2962 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2965 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2966 Cache the last found '\0' marker to avoid quadratic behavior.
2968 2006-07-23 Jan Hubicka <jh@suse.cz>
2970 * i386.md (subsi_3_zext): Fix output template.
2972 2006-07-21 Mike Stump <mrs@apple.com>
2974 * doc/invoke.texi (C++ Dialect Options): Note that
2975 -fvisibility-inlines-hidden doesn't affect explicitly
2976 instantiationed inline methods.
2978 2006-07-20 Roger Sayle <roger@eyesopen.com>
2980 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2981 if the target assembler is GNU binutils' gas.
2982 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2983 whether to pass GNU gas or native as command line options.
2985 2006-07-20 Jason Merrill <jason@redhat.com>
2987 * tree.c (remove_attribute): New fn.
2988 * tree.h: Declare it.
2990 2006-07-20 Paul Brook <paul@codesourcery.com>
2993 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2994 they are invalidated by this instruction.
2996 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2999 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3001 2006-07-20 Eric Christopher <echristo@apple.com>
3004 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3006 2006-07-19 Eric Christopher <echristo@apple.com>
3008 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3009 Rewrite dependencies for libgcc_s.1.dylib.
3011 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3013 * except.c (duplicate_eh_regions_1): Clear next_peer.
3015 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3017 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3018 -mlongcall does not guarantee all calls will be long.
3019 * doc/extend.texi (long_call/short_call): Document that longcall
3020 does not guarantee a long call will be used.
3021 (longcall/shortcall): Likewise.
3023 2006-07-18 Roger Sayle <roger@eyesopen.com>
3026 * expmed.c (expand_shift): Additionally check that the shift_cost
3027 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3028 before implementing a LSHIFT_EXPR as a sequence of additions.
3029 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3030 middle-end that DImode shifts need to be synthesized by expand.
3032 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3035 * tree-ssa-operands.c (access_can_touch_variable): Update
3037 Return true if ALIAS is .GLOBAL_VAR.
3039 2006-07-18 David Daney <ddaney@avtrex.com>
3041 * gcc.c (display_help): Fix typo in help text.
3043 2006-07-18 Olivier Hainque <hainque@adacore.com>
3045 * tree.h (categorize_ctor_elements): Adjust prototype and add
3046 descriptive comment, both in accordance with the interface change
3048 * varasm.c (constructor_static_from_elts_p): New function.
3049 Whether a constructor node is a valid static constant initializer
3050 if all its elements are.
3051 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3052 * output.h: Declare it.
3053 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3054 is a valid constant initializer instead of computing the number of
3055 non-constant elements. Use constructor_static_from_elts_p for this
3056 purpose. Replace the head comment with an indication that this is a
3057 helper for categorize_ctor_elements.
3058 (categorize_ctor_elements): Same interface change as for the _1
3059 helper. Former head comment from this helper moved here, adjusted to
3060 account for the interface changes.
3061 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3062 (all_zeros_p): Likewise.
3063 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3064 static versions of the constructor from the categorize_ctor_elements
3065 return value instead of the formerly computed number of non-constant
3068 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3070 * configure: Regenerate.
3071 * Makefile.in (build_libsubdir): New configure substitution
3072 (build_libobjdir): New variable.
3073 (BUILD_LIBIBERTY): Use it.
3075 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3078 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3080 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3083 * c-common.c (handle_weakref_attribute): Ignore attribute in
3084 the same conditions the alias attribute is ignored.
3086 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3088 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3089 (dbxout_begin_prologue): Increment scope_labelno.
3091 2006-07-17 Richard Henderson <rth@redhat.com>
3094 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3097 2006-07-17 Roger Sayle <roger@eyesopen.com>
3098 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3100 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3101 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3102 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3103 functions such as sbrk, write, etc.. Add function prototypes.
3104 Convert function declarations from K&R to ISO C. Cast pointers
3105 to "long" and "unsigned long" instead of "int" and "unsigned int".
3106 Convert tokens following #endif into comments.
3108 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3110 * invoke.texi: Remove mention of f77; Reformat table for
3111 inline parameter options correctly; mention that -malign-double
3112 is default on x86-64 targets.
3114 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3116 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3117 (convert_affine_scev, chrec_convert_aggressive): Use
3118 avoid_arithmetics_in_type_p. Do not check for the subtypes
3121 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3124 * optabs.c (expand_doubleword_shift): Wrap the call to
3125 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3127 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3130 * optabs.c (expand_binop): Pass next_methods rather than methods
3131 to expand_doubleword_shift.
3133 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3136 * tree.h (dump_addr): Declare.
3137 * print-tree.c (dump_addr): New function.
3138 (print_node_brief, print_node): Use it.
3139 * print-rtl.c (print_rtx): Likewise.
3140 * common.opt (-fdump-noaddr): New option.
3141 * doc/invoke.texi (-fdump-noaddr): Document.
3142 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3143 (ve_info_hash): Likewise.
3145 2006-07-13 Andrew Haley <aph@redhat.com>
3147 PR tree-optimization/19505
3148 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3149 edge leaving this block, make sure that the destination of this
3150 block has only one predecessor.
3152 2006-07-17 Richard Guenther <rguenther@suse.de>
3154 PR tree-optimization/28238
3155 * tree-inline.c (copy_bb): Check if we produced valid
3156 gimple copying and substituting a stmt. If not, gimplify
3159 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3161 * optabs.c (maybe_encapsulate_block): New function extracted from...
3162 (emit_libcall_block): ...here. Invoke it on the block of insns to
3163 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3164 (emit_no_conflict_block): Likewise.
3166 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3168 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3170 2006-07-15 Roger Sayle <roger@eyesopen.com>
3172 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3173 a new NOP_EXPR case of the switch statement.
3175 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3178 * stor-layout.c (place_field): Take the bit field with
3179 an excessive size into account in the ms-bitfiled case.
3182 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3183 the previous bit field.
3185 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3188 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3190 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3192 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3193 signal frames correctly even when the signal was installed with
3196 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3198 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3199 (dbxout_function_end): Use local label LFBB. Remove hook
3201 (dbxout_source_line): Use local label LFBB.
3202 (dbxout_block): Likewise.
3203 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3204 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3205 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3206 and DBX_OUTPUT_NFUN.
3208 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3210 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3212 2006-07-13 Jan Hubicka <jh@suse.cz>
3214 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3216 * output.h (align_variable): Declare.
3217 * varasm.c (align_variable): Export.
3218 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3219 when basic block changed.
3221 2006-07-13 Nick Clifton <nickc@redhat.com>
3223 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3224 walking the LOG_LINKS chain.
3226 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3228 * doc/invoke.texi (C++ Dialect Options): Explain difference
3229 between -fvisibility-inlines-hidden and setting hidden
3230 visibility explicitly.
3232 2006-07-12 Eric Christopher <echristo@apple.com>
3234 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3235 (stmp-lipo): Depend on libgcc.a.
3237 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3239 * tree.c: Fix a comment typo.
3241 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3243 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3245 (umulhisi3_r): Likewise.
3247 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3250 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3251 x < 19, vs wchar_t support.
3253 2006-07-12 Nick Clifton <nickc@redhat.com>
3255 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3256 instead of -isa=sh4.
3258 2006-07-12 Mike Stump <mrs@apple.com>
3260 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3262 2006-07-10 Eric Christopher <echristo@apple.com>
3264 * config/t-slibgcc-darwin: Rewrite.
3266 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3269 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3272 2006-07-08 Matthias Klose <doko@debian.org>
3274 * doc/sourcebuild.texi: Fix typo.
3276 2006-07-07 Mike Stump <mrs@apple.com>
3278 * toplev.c (process_options): Don't give -ffunction-sections may
3279 affect debugging warning for Mach-O.
3281 2006-07-07 James E Wilson <wilson@specifix.com>
3283 * config/mips/mips.md (cpu): Add sb1a.
3284 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3285 addition to sb1. Adjust comments to clarify SB-1A differences from
3287 (ir_sb1a_load): New. Modify bypasses to use it.
3288 (ir_sb1a_simple_alu): Likewise.
3289 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3290 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3291 (mips_issue_rate): Add PROCESSOR_SB1A.
3292 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3293 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3294 (TARGET_SB1): Add PROCESSOR_SB1A check.
3295 (TUNE_SB1): Likewise.
3297 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3298 * config/mips/mips.c (mips_store_data_bypass_p): New.
3299 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3300 store_data_bypass_p.
3302 2006-07-08 Paul Brook <paul@codesourcery.com>
3305 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3307 2006-07-07 Richard Guenther <rguenther@suse.de>
3310 * tree.h (build_one_cst): Declare.
3311 * tree.c (build_one_cst): New function.
3312 * tree-ssa-math-opts.c (get_constant_one): Remove.
3313 (insert_reciprocals): Use build_one_cst.
3314 * fold-const.c (fold_plusminus_mult): Likewise.
3316 2006-07-07 Roger Sayle <roger@eyesopen.com>
3318 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3319 * cfgloopanal.c (dump_graph): Likewise.
3320 * dojump.c (discard_pending_stack_adjust): Likewise.
3321 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3323 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3324 * function.c (finalize_block_changes): Likewise.
3325 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3326 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3327 * rtl.c (dump_rtx_statistics): Likewise.
3328 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3330 * varray.c (dump_varray_statistics): Likewise.
3331 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3332 decode_decimal64, encode_decimal128, decode_decimal128,
3333 decimal_real_to_decimal): Likewise.
3335 2006-07-07 Richard Guenther <rguenther@suse.de>
3337 PR tree-optimization/28187
3338 * tree-vrp.c (vrp_operand_equal_p): New function.
3339 (vrp_bitmap_equal_p): Likewise.
3340 (update_value_range): Use them to compare old and new
3343 2006-07-06 Roger Sayle <roger@eyesopen.com>
3345 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3346 a default case to switch statement to silence compiler warnings.
3348 2006-07-06 Roger Sayle <roger@eyesopen.com>
3351 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3352 the configured assembler supports the x87's ffreep mnemonic.
3353 * configure: Regenerate.
3354 * config.in: Regenerate.
3356 * config/i386/i386.c (output_387_ffreep): New function.
3357 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3358 (output_387_reg_move): Likewise.
3360 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3362 Port to hosts whose 'sort' and 'tail' implementations
3363 treat operands with leading '+' as file names, as POSIX
3364 has required since 2001. However, make sure the code still
3365 works on pre-POSIX hosts.
3366 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3367 which says you should use "tail -c +N" rather than "tail +Nc".
3368 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3370 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3372 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3375 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3378 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3379 PRE_{INC,DEC} of TFmode.
3381 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3382 Alan Modra <amodra@bigpond.net.au>
3385 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3388 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3391 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3392 Remove duplicate gtu.
3394 2006-07-05 Jason Merrill <jason@redhat.com>
3398 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3399 * c-common.c (handle_packed_attribute): So don't copy it here.
3400 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3402 2006-07-05 Mike Stump <mrs@apple.com>
3404 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3406 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3409 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3411 2006-07-05 Richard Guenther <rguenther@suse.de>
3414 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3415 TARGET_SSE2 targets if using SSE math.
3416 (*absdf2_1): Likewise.
3418 2006-07-05 Richard Guenther <rguenther@suse.de>
3420 PR tree-optimization/28162
3421 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3422 make sure to convert the operands to the correct type.
3424 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3426 PR tree-optimization/28218
3428 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3429 to calculate and free the dominator information.
3431 2006-07-04 Peter O'Gorman <peter@pogma.com>
3433 * mklibgcc.in: chmod 644 before ranlib during install.
3435 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3436 J"orn Rennecke <joern.rennecke@st.com>
3438 * configure.ac (.eh_frame data check): Use diff -b.
3440 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3443 * Makefile.in (BUILD_RTL): Add build/vec.o.
3444 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3445 (build/genextract): Delete.
3446 (build/genautomata): Likewise.
3448 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3451 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3452 128-bit IBM long doubles for ABI_V4.
3454 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3456 * tree.c (range_in_array_bounds_p): New predicate.
3457 * tree.h (range_in_array_bounds_p): Declare it.
3458 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3459 return a less conservative answer.
3460 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3461 and flag 'is_group'.
3462 (IS_ELEMENT_FOR_GROUP): New macro.
3463 (FOR_EACH_ACTUAL_CHILD): Likewise.
3464 (next_child_for_group): New helper function.
3465 (can_completely_scalarize_p): Take into account groups.
3466 (sra_hash_tree): Handle RANGE_EXPR.
3467 (sra_elt_eq): Likewise.
3468 (lookup_element): Be prepared for handling groups.
3469 (is_valid_const_index): Delete.
3470 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3471 instead of is_valid_const_index.
3472 <ARRAY_RANGE_REF>: New case.
3473 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3474 is_valid_const_index.
3475 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3476 (scan_dump): Dump info for groups too.
3477 (decide_instantiation_1): Likewise.
3478 (decide_block_copy): Assert that the element is not a group.
3479 Propagate decision to groups.
3480 (generate_one_element_ref): Handle RANGE_EXPR.
3481 (mark_no_warning): Iterate over actual childs.
3482 (generate_copy_inout): Likewise.
3483 (generate_element_copy): Likewise.
3484 (generate_element_zero): Likewise.
3485 (generate_element_init_1): Likewise.
3486 (dump_sra_elt_name): Handle RANGE_EXPR.
3488 2006-07-03 Roger Sayle <roger@eyesopen.com>
3490 PR tree-optimization/26251
3491 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3492 (thread_block): When optimizing for size refuse to thread jumps
3493 that would require duplication of blocks other than redirection
3496 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3498 * configure.ac: Fix thinko in previous check-in.
3499 * configure: Regenerate.
3501 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3504 * configure.ac (for lang...): Simplify nesting of conditionals.
3505 Test subdir_requires for non-enabled languages. Move processing
3506 of lang_opt_files and lang_tree_fiels below that test.
3507 * configure: Regenerate.
3508 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3510 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3512 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3514 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3516 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3519 2006-06-29 Jason Merrill <jason@redhat.com>
3526 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3527 * c-common.c (c_determine_visibility): Handle it here.
3528 * c-decl.c (finish_decl): Call c_determine_visibility for
3530 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3532 * varasm.c (default_assemble_visibility): Likewise.
3533 * c-common.c (handle_visibility_attribute): Complain about trying
3534 to give visibility to an already defined class, or trying to change
3535 declared visibility. Always attach the attribute.
3540 * attribs.c (decl_attributes): Ignore type-in-place attributes
3541 once the type has been defined.
3543 2006-06-29 Roger Sayle <roger@eyesopen.com>
3546 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3547 to indicate the cpplib has issued an error message for us.
3549 2006-06-29 Asher Langton <langton2@llnl.gov>
3552 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3553 insert a label at the end of an function under Mach-O.
3555 2006-06-29 Eric Christopher <echristo@apple.com>
3556 Evan Cheng <evan.cheng@apple.com>
3558 * predicates.md (vector_all_ones_operand): New.
3559 (nonimmediate_or_sse_const_operand): Ditto.
3560 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3561 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3562 (standard_sse_mode_p): Ditto.
3563 (standard_sse_constant_p): Add case for -1 vector.
3564 (ix86_expand_vector_move): Try to use.
3565 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3566 Call standard_sse_constant_opcode.
3567 (*movv4sf_internal): Ditto.
3568 (*movv2df_internal): Ditto.
3570 2006-06-29 Roger Sayle <roger@eyesopen.com>
3572 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3573 of XEXP to extract the operands of a MATCH_CODE rtx.
3575 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3577 * tree.c (tree_size): Do not waste tail padding in
3578 struct tree_string and make the size be the same as
3579 build_string will generate.
3581 2006-06-28 Jason Merrill <jason@redhat.com>
3584 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3585 may_aliases already in the tag's annotations to the bitmap.
3587 2006-06-28 Roger Sayle <roger@eyesopen.com>
3589 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3591 2006-06-28 Roger Sayle <roger@eyesopen.com>
3593 * genpreds.c (generate_switch_p): New function.
3594 (add_mode_tests): Push the new mode test down inside an AND expr
3595 if this allows the switch-suitable MATCH_CODE to be near the root.
3596 (write_match_code_switch): New function to write a MATCH_CODE as
3598 (write_predicate_stmts): New function to write a predicate RTX
3599 expression as a sequence of statements.
3600 (write_one_predicate_function): Use write_predicate_stmts.
3601 (write_tm_constrs_h): Likewise.
3603 2006-06-26 Fred Fish <fnf@specifix.com>
3605 * config/mips/t-sb1: New file.
3606 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3609 2006-06-26 DJ Delorie <dj@redhat.com>
3611 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3613 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3614 Jayant Sonar <jayants@kpitcummins.com>
3615 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3617 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3618 (subsi3, subsi3_1, subsi3_2): New.
3619 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3620 * config/m32c/mov.md (SI mov peephole): New.
3621 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3622 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3624 2006-06-26 Olivier Hainque <hainque@adacore.com>
3626 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3627 a CALL_EXPR target function declaration.
3629 2006-06-26 Richard Guenther <rguenther@suse.de>
3631 * tree.c (build_string): Do not waste tail padding in
3634 2006-06-26 Richard Guenther <rguenther@suse.de>
3636 * ggc-page.c (init_ggc): Add missing element to size_lookup
3640 2006-06-23 Richard Guenther <rguenther@suse.de>
3642 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3643 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3644 alignment requests instead. Add verification code.
3645 Add struct tree_function_decl and struct tree_binfo size to
3646 extra_order_size_table. Add missing element to size_lookup
3649 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3652 * fold-const.c (const_binop): Be prepared for self returning zero.
3653 Simplify code handling complex values.
3655 2006-06-24 Olivier Hainque <hainque@adacore.com>
3657 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3658 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3661 2006-06-24 Olivier Hainque <hainque@adacore.com>
3663 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3664 ARRAY_REF, so have the callback called for the low bound expression.
3666 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3668 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3669 * c-typeck.c (c_common_type): Disallow operations on decimal float
3670 types and other float types.
3671 * convert.c (convert_to_real): Don't ignore conversions involving
3672 decimal float types.
3674 2006-06-23 Olivier Hainque <hainque@adacore.com>
3676 * tree.c (max_int_size_in_bytes): New function, inspired from
3677 code in function.c:assign_temp.
3678 * tree.h (max_int_size_in_bytes): Declare.
3679 * function.c (assign_temp): Use it.
3680 * gimplify.c (create_tmp_var): Relax the assertions on the type
3681 properties, not mandating constant size any more.
3682 (force_constant_size): New static function.
3683 (gimple_add_tmp_var): Use it, forcing variable size to a
3684 constant upper bound if it is not constant on entry.
3686 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3689 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3690 for initialization and setting of one_only flag to ...
3691 (i386_pe_encode_section_info): ...here.
3692 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3693 Recheck that the symbol has not been defined.
3695 2006-06-23 Richard Guenther <rguenther@suse.de>
3697 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3698 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3699 alignment requests instead. Add verification code.
3700 Add struct tree_function_decl and struct tree_binfo size to
3701 extra_order_size_table. Add missing element to size_lookup
3704 2006-06-22 Roger Sayle <roger@eyesopen.com>
3705 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3708 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3709 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3711 2006-06-23 Ben Elliston <bje@au.ibm.com>
3713 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3714 negate dn -- manipulate it directly.
3716 2006-06-22 Roger Sayle <roger@eyesopen.com>
3717 Steven Bosscher <stevenb.gcc@gmail.com>
3720 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3721 generated by gen_move_insn to add REG_LABEL notes if necessary.
3723 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3725 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3726 (leaf_entry): Remove use of MIN_ESA.
3728 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3730 PR rtl-optimization/28121
3731 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3734 2006-06-21 DJ Delorie <dj@redhat.com>
3736 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3738 (mulhisi3_r): Likewise.
3740 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3743 * coverage.c (coverage_counter_alloc): Leave the index type
3745 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3748 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3750 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3751 section from the "Options for Code Generation Conventions".
3753 2006-06-21 Richard Henderson <rth@redhat.com>
3757 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3759 (global_symbolic_operand): Allow weak symbols, even if local_p.
3761 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3763 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3764 (find_interesting_uses_address): Punt if above function returns true.
3766 2006-06-21 Richard Guenther <rguenther@suse.de>
3768 * configure: Regenerated.
3770 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3772 * config/mips/mips.c (function_arg): Where one part of a
3773 complex argument is in registers and the other part in the stack,
3774 return a REG not a PARALLEL.
3776 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3778 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3779 when cross-compiling. Do not substitute libstdcxx_incdir.
3780 * configure: Regenerated.
3782 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3784 * varasm.c (mergeable_string_section): Check for embedded NULs and
3785 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3786 rather than TREE_STRING_LENGTH bytes.
3788 2006-06-21 Richard Guenther <rguenther@suse.de>
3790 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3791 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3794 2006-06-21 Richrad Guenther <rguenther@suse.de>
3796 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3797 Limit iteration over the dominators.
3799 2006-06-20 Roger Sayle <roger@eyesopen.com>
3801 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3802 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3804 2006-06-20 Richard Guenther <rguenther@suse.de>
3805 Michael Matz <matz@suse.de>
3807 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3809 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3810 * et-forest.h (et_free_pools): Prototype new function.
3811 * et-forest.c (et_free_tree_force): Free parent occurrence.
3812 (et_free_pools): New function.
3813 * dominance.c (free_dominance_info): Free et-forest alloc
3816 2006-06-20 Roger Sayle <roger@eyesopen.com>
3818 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3819 integer modes, attempt to directly construct an integer constant.
3821 * fold-const.c (native_encode_vector): Determine the size of each
3822 element from the vector type instead of the first vector element.
3824 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3825 if all of its elements/components are constant.
3826 (build_constructor_from_list): Likewise.
3828 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3830 PR tree-optimization/27331
3831 * tree-data-ref.c (free_data_ref): New function.
3832 (create_data_ref): Fail if the data reference has unknown access
3834 (free_data_refs): Use free_data_ref.
3836 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3839 * tree-inline.c (setup_one_parameter): Strip useless
3840 type conversion before adding it to the IR.
3841 (declare_return_variable): Likewise.
3843 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3846 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3848 2006-06-19 Mike Stump <mrs@apple.com>
3850 * tree.c (variably_modified_type_p): VM arguments don't make the
3853 2006-06-19 Richard Guenther <rguenther@suse.de>
3855 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3856 type conversions after folding.
3858 2006-06-19 Richard Guenther <rguenther@suse.de>
3860 * ggc-page.c (extra_order_size_tab): Add entries with
3861 size of struct function and basic_block.
3862 (size_lookup): Extend to cover sizes up to 511.
3863 (ggc_alloc_stat): Adjust user.
3864 (ggc_pch_count_object): Likewise.
3865 (ggc_pch_alloc_object): Likewise.
3866 (ggc_pch_write_object): Likewise.
3868 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3870 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3871 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3874 2006-06-19 Denis Chertykov <denisc@overta.ru>
3876 * config/avr/libgcc.S : Correct my wrong previous commit.
3878 2006-06-19 Roger Sayle <roger@eyesopen.com>
3881 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3882 have stripped a SUBREG from the shift count, so we may need to
3883 convert_to_mode back to the type's mode before calling make_tree.
3884 Use new_amount instead of amount to avoid expanding a tree twice.
3886 2006-06-19 Richard Guenther <rguenther@suse.de>
3889 * fold-const.c (operand_equal_p): Check if the argument types
3890 have the same precision before stripping NOPs.
3892 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3894 Fix PR tree-optimization/27341
3895 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3897 * tree-complex.c (pass_lower_complex): Update SMT usage.
3899 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3901 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3902 Add a new alternative to the constraint strings. Add move of
3903 operand 1 to 3 to the splitter definition.
3904 ("doloop_si_long"): Second contraint alternative removed.
3906 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3908 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3909 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3911 (AVR_HAVE_MOVW) Define.
3912 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3913 (ASM_SPEC): Add avr25.
3914 (LINK_SPEC): Add avr25.
3915 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3916 (base_arch_s): Add new member 'have_movw_lpmx'.
3917 (avr_arch_types): Init 'have_movw_lpmx'.
3918 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3919 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3920 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3921 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3922 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3924 (avr_file_start): Do not output '.arh' derective.
3925 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3926 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3927 * config/avr/avr.md (mcu_enhanced): Delete.
3928 (mcu_have_movw): Define.
3929 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3930 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3931 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3932 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3933 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3934 attiny861 and at86rf401 devices.
3936 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3938 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3941 2006-06-17 Karl Berry <karl@gnu.org>
3943 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3944 doc/gccint.texi, doc/install.texi (@dircategory): Use
3945 "Software development" instead of "Programming", following
3946 the Free Software Directory.
3948 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3950 * config/i386/i386.c (legitimate_tls_address)
3951 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3952 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3953 (*tls_dynamic_gnu2_combine_64): Likewise.
3955 2006-06-16 Richard Guenther <rguenther@suse.de>
3958 * fold-const.c (negate_expr_p): Do not introduce undefined
3959 overflow in negating INTEGER_CSTs.
3960 (fold_negate_expr): Rename from negate_expr. Revert last
3961 change for folding BIT_NOT_EXPR. Change semantics to
3962 return NULL_TREE for non-simplified negations. Do not
3963 strip type conversions and unify type handling.
3964 (negate_expr): New function, wrap around fold_negate_expr
3965 but ensure building a tree always. Strip type conversions
3966 here, fold to result type.
3967 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3969 2006-06-16 Roger Sayle <roger@eyesopen.com>
3972 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3973 that (would) return their results in stack registers.
3975 2006-06-16 Michael Matz <matz@suse.de>
3976 Richard Guenther <rguenther@suse.de>
3978 * fold-const.c (fold_truthop): Only return new tree node if
3979 we canonicalized something.
3981 2006-06-16 Richard Guenther <rguenther@suse.de>
3983 * function.h (enum function_frequency): Move declaration
3984 out of struct function.
3985 (struct function): Move bool fields and the enum to the bitfield
3986 section. Reorder elements to avoid padding. Remove unused
3987 fields left over from the RTL inliner removal.
3988 * function.c (free_after_compilation): Do not zero removed fields.
3989 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3990 (ipa-type-escape.o): Likewise.
3992 2006-06-16 Richard Guenther <rguenther@suse.de>
3994 * cgraph.h (struct cgraph_local_info): Turn bool elements
3996 (struct cgraph_node): Likewise.
3997 (struct cgraph_varpool_node): Likewise.
3999 2006-06-15 Richard Guenther <rguenther@suse.de>
4001 * fold-const.c (fold_truth_not_expr): Rename from
4002 invert_truthvalue. Give it fold_* semantics to avoid
4004 (invert_truthvalue): New function. Wrapper around
4005 fold_truth_not_expr.
4006 (optimize_minmax_comparison): Avoid creating garbage.
4007 (fold_unary): Use fold_truth_not_expr for folding
4009 (fold_ternary): Replace uses of invert_truthvalue with
4010 fold_truth_not_expr where applicable.
4011 * tree.h (fold_truth_not_expr): Prototype.
4013 2006-06-16 Richard Guenther <rguenther@suse.de>
4015 PR tree-optimization/27781
4016 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4017 * ipa-pure-const.c (target.h): Include.
4018 (analyze_function): Do not analyze functions that do not
4021 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4024 * tree-dfa.c (referenced_vars_dup_list): Remove.
4025 (find_referenced_vars): Remove assert.
4026 (referenced_var_check_and_insert): Replace dup list with assert.
4027 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4028 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4030 2006-06-15 Richard Guenther <rguenther@suse.de>
4032 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4033 extra unused identifiers if not dumping.
4034 (create_variable_info_for): Likewise.
4036 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4038 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4039 (derive_constant_upper_bound): Derive more precise upper bound in
4040 common cases. Return type changed to double_int.
4041 (record_estimate): Reflect the changed return type of
4042 derive_constant_upper_bound.
4043 * double-int.c (double_int_zext, double_int_sext): Fix.
4045 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4047 * configure.ac (CFLAGS): Get them from the toplevel or from the
4048 configure invocation.
4049 * configure: Regenerate.
4050 * Makefile.in (CFLAGS): Substitute value provided by configure.
4052 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4055 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4056 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4057 rather than calling add_stmt on it.
4058 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4060 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4063 * reload1.c (reload): Remove registers returned by update_eliminables
4064 from used_spill_regs.
4066 2006-06-13 DJ Delorie <dj@redhat.com>
4068 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4070 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4072 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4073 html__strip_dir, html__mkdir_p. Enhance install-html target.
4074 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4075 * configure: Regenerate.
4077 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4079 * fold-const.c (fold_cond_expr_with_comparison): Check for
4080 Objective-C++ as language in deciding COND_EXPR transformation.
4082 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4085 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4086 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4087 * config/sh/lib1funcs.h (SL, SL1): Define.
4088 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4089 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4090 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4091 (OBJS_Os_4_200): New variable.
4092 ($(T)libgcc-Os-4-200.a): Use it.
4093 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4094 when dividing 1 and/or by 0.
4096 2006-06-13 Roger Sayle <roger@eyesopen.com>
4098 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4099 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4100 * configure: Regenerate.
4102 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4104 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4105 for real instruction.
4107 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4110 * haifa-sched.c (check_cfg): Handle special case.
4112 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4115 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4116 Add debug_info parameter. Chain the vars to the BLOCK instead
4117 of the BIND_EXPR if debug info are requested for them.
4118 (pop_gimplify_context): Adjust for above change.
4119 (gimple_add_tmp_var): Likewise.
4120 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4122 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4123 (convert_local_reference): Likewise.
4124 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4125 (finalize_nesting_tree_1): Request that debug info be emitted
4126 for debug_var_chain.
4128 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4130 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4131 for PR target/27863.
4133 2006-06-13 Richard Guenther <rguenther@suse.de>
4136 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4138 2006-06-13 Richard Guenther <rguenther@suse.de>
4140 PR tree-optimization/27830
4141 * tree-inline.c (copy_body_r): For copying the operand
4142 of an ADDR_EXPR make sure to fold &* afterwards.
4144 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4146 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4147 lvalues in the fb_none case with side-effects.
4149 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4151 * tree-flow.h: Remove the prototype for
4152 compute_phi_arg_on_exit.
4153 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4154 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4157 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4159 * builtins.c (expand_builtin_return_addr): Only use
4160 frame_pointer_rtx when count == 0 and we are expanding
4161 __builtin_return_address.
4163 2006-06-12 Fred Fish <fnf@specifix.com>
4165 * config/mips/mips.c (mips_file_start): Create special section
4166 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4168 2006-06-11 Eric Christopher <echristo@apple.com>
4171 * stor-layout.c (place_field): Remove check for
4172 remaining_in_alignment when aligning at the end of a run.
4174 2006-06-11 Eric Christopher <echristo@apple.com>
4177 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4180 2006-06-11 Roger Sayle <roger@eyesopen.com>
4183 Revert incorrect fix for PR target/27158
4184 2006-05-08 Roger Sayle <roger@eyesopen.com>
4185 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4186 of a reg_equiv_constant if the result is a legitimate constant.
4188 2006-06-11 Roger Sayle <roger@eyesopen.com>
4191 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4192 extract a CONST_VECTOR element and interpret it as an integer.
4193 (vspltis_constant): Use const_vector_elt_as_int instead of the
4194 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4195 * config/rs6000/predicates.md (easy_vector_const): Consider
4196 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4198 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4201 * stor-layout.c (update_alignment_for_field): Don't add extra
4202 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4205 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4207 * config/mips/t-rtems: Add EL/EB multilib variants.
4209 2006-06-09 Mike Stump <mrs@apple.com>
4211 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4213 2006-06-09 David Daney <ddaney@avtrex.com>
4215 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4217 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4219 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4221 2006-06-09 Richard Guenther <rguenther@suse.de>
4223 PR tree-optimization/26998
4224 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4225 of signed types, only TYPE_MIN_VALUE is special, but for both,
4226 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4227 in this case, as is -fwrapv.
4229 2006-06-08 Mike Stump <mrs@apple.com>
4232 * config/darwin.c (darwin_asm_output_anchor): Disable
4233 -fsection-anchors on darwin for now.
4234 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4235 * rs6000/rs6000.c (optimization_options): Likewise.
4237 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4240 * config/i386/i386.c (classify_argument): Skip fields with invalid
4243 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4245 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4246 (cse_insn): Likewise for the stack_pointer_rtx.
4248 2006-06-08 Roger Sayle <roger@eyesopen.com>
4250 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4251 conditions from floating point comparisons.
4253 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4256 * expmed.c (struct alg_hash_entry): Fix type of field T
4257 to match synth_mult argument.
4258 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4260 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4263 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4266 2006-06-08 Richard Guenther <rguenther@suse.de>
4269 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4270 only, if overflow is defined and not trapping.
4271 (negate_expr): Likewise.
4273 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4275 PR tree-optimization/27872
4276 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4277 flag on the new exit edge of the unrolled loop.
4279 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4281 PR rtl-optimization/26449
4282 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4284 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4287 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4288 referenced_variables with matching DECL_UID's.
4289 (find_referenced_vars): Make sure duplicate list is empty to start.
4290 (referenced_var_p): Remove.
4291 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4292 Check if var is in the list, and add if needed. Update the duplicate
4293 list if a different var is in the list with the same DECL_UID.
4294 (add_referenced_var): Call routine to check and insert.
4295 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4296 * tree-flow.h (referenced_vars_dup_list): External declaration.
4298 2006-06-07 Fred Fish <fnf@specifix.com>
4300 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4303 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4306 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4307 the imaginary and real parts of a clobbered register.
4308 Emit insn to set the imaginary part.
4310 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4312 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4313 in lieu of unwind-dw2-fde.c.
4315 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4317 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4319 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4322 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4323 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4324 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4325 V4SImode temporaries and operations instead.
4327 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4329 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4332 2006-06-06 Mike Stump <mrs@apple.com>
4334 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4335 installing during build.
4337 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4339 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4341 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4342 * config/ia64/ia64.c (params.h): New header.
4343 (ia64_optimization_options): New function to adjust parameters.
4344 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4345 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4346 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4348 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4350 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4352 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4355 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4357 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4358 Victor Kaplansky <victork@il.ibm.com>
4360 PR tree-optimization/26360
4361 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4364 2006-06-04 Roger Sayle <roger@eyesopen.com>
4365 Andrew Pinski <pinskia@physics.uc.edu>
4368 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4369 for LABEL_DECL before calling DECL_WEAK.
4372 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4373 LABEL_DECL and PARM_DECL.
4375 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4379 * c-decl.c (grokdeclarator): Disallow variably modified types at
4380 file scope. Avoid marking shared array type of constant size as
4383 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4386 * c-common.c (fold_offsetof_1): Handle static members.
4388 2006-06-04 Eric Christopher <echristo@apple.com>
4390 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4391 (debug_rli): Output value for remaining_in_alignment.
4392 (update_alignment_for_field): Unconditionalize
4393 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4394 extra alignment code.
4395 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4396 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4397 * tree.h (record_layout_info_s): Remove prev_packed.
4398 * doc/extend.texi (ms_struct): Add documentation of format.
4400 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4402 * tree.h: Declare folding_initializer.
4403 * builtins.c (fold_builtin_constant_p): Give definite answer
4404 if folding inside an initializer.
4405 * fold-const.c: Define folding_initializer.
4406 (START_FOLD_INIT): Save and then set folding_initializer.
4407 (END_FOLD_INIT): Restore folding_initializer.
4409 2006-06-04 Richard Guenther <rguenther@suse.de>
4411 PR tree-optimization/27039
4412 * fold-const.c (fold_comparison): Handle pointer comparison
4413 again for all comparison codes. Compare offsets in signed
4415 (fold_binary): Move code from here.
4417 2006-06-03 Roger Sayle <roger@eyesopen.com>
4420 * config/i386/i386.c (construct_container): Split static issued_error
4421 flag into issued_sse_arg_error, issued_sse_ret_error and
4422 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4423 requires the use of x87 registers and the user explicitly
4424 specified the -mno-80387 command line option.
4426 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4428 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4429 HAVE_DECL_SIGALTSTACK.
4431 (segv_handler): Use MC_FLD.
4432 * configure.ac: Check for a sigaltstack declaration.
4433 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4434 * configure: Regenerate.
4435 * config.in: Regenerate.
4437 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4440 * Makefile.in (stmp-fixinc): Fix typo.
4442 2006-06-02 Roger Sayle <roger@eyesopen.com>
4444 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4445 are type correct. Clean-up.
4446 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4447 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4449 2006-06-01 DJ Delorie <dj@redhat.com>
4451 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4452 shift, as we've disabled the "switch" insn that needs it.
4454 2006-06-01 Per Bothner <bothner@bothner.com>
4456 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4457 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4458 * c-ppoutput.c (cb_define): Don't increment line 0.
4460 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4462 * doc/invoke.texi: Add cpu_type power6.
4463 * config.gcc: Add cpu_type power6.
4464 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4465 to power5+ with Altivec.
4466 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4467 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4469 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4471 * config/avr/avr.h (SET_ASM_OP): Define.
4473 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4475 * config/bfin/bfin.c: Fix comment typos.
4477 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4480 * doc/install.texi: Document --enable-bootstrap and
4481 --disable-bootstrap.
4483 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4485 * doc/install.texi: Document that InfoZIP can replace jar.
4487 2006-05-31 Roger Sayle <roger@eyesopen.com>
4489 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4490 isn't available, directly generate the simpler x87 patterns without
4491 the (use (const_int 0)).
4492 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4493 implementation isn't available.
4494 (*negdf2_1): Likewise.
4495 (*negxf2_1): XF mode negation is always done using the x87.
4496 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4498 2006-05-31 Roger Sayle <roger@eyesopen.com>
4500 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4501 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4503 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4505 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4507 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4508 * config/bfin/bfin.c (basic-block.h): Include.
4509 (struct machine_function): New.
4510 (bfin_init_machine_status): New.
4511 (override_options): Initialize init_machine_status.
4512 (bfin_hardware_loop): New.
4513 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4514 (DEF_VEC_P (loop_info)): New.
4515 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4516 (struct loop_info): New.
4517 (loop_info): New typedef.
4518 (struct loop_work): New.
4519 (loop_work): New typedef.
4520 (DEF_VEC_O (loop_work)): New.
4521 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4522 (bfin_dump_loops): New.
4523 (bfin_bb_in_loop): New.
4524 (bfin_scan_loop): New.
4525 (bfin_optimize_loop): New.
4526 (bfin_reorg_loops): New.
4527 (bfin_reorg): Use bfin_reorg_loops.
4528 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4530 (I_REGNO_P): Simplify.
4531 (DP_REGNO_P, DPREG_P): New macros.
4532 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4533 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4534 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4535 Add LT_REGS, LC_REGS, LB_REGS.
4536 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4538 (REGNO_REG_CLASS): Deal with loop registers.
4539 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4541 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4542 New constants for loop registers.
4543 (UNSPEC_LSETUP_END): New.
4544 (seq_insns): New define_attr. Set it for appropriate insns.
4545 (movsi_insn): Add alternatives for move from/to
4546 loop count registers.
4547 (doloop_end): New define_expand.
4548 (loop_end): New define_insn.
4549 (define_split for bad doloop_end): New.
4550 (lsetup_with_autoinit): New define_insn.
4551 (lsetup_without_autoinit): New define_insn.
4552 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4553 * config/bfin/predicates.md (lc_register_operand): New.
4554 (lt_register_operand): New.
4555 (lb_register_operand): New.
4556 (nondp_register_operand): New.
4557 (nondp_reg_or_memory_operand): New.
4558 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4560 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4562 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4563 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4565 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4567 * Makefile.in (CATALOGS): Add po/ prefix.
4568 * configure: Regenerated.
4570 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4573 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4574 a shift operand before calling shift_op. Avoid redundant call of
4577 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4578 DJ Delorie <dj@redhat.com>
4580 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4581 we're inserting is a singlt-bit constant.
4583 2006-05-30 Roger Sayle <roger@eyesopen.com>
4585 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4586 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4588 2006-05-30 Roger Sayle <roger@eyesopen.com>
4590 PR tree-optimization/23452
4591 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4592 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4593 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4594 complex values and with -ffast-math for FP complex values.
4596 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4598 * c-common.h: Remove the prototype for yyparse.
4599 * rtl.h: Remove the prototype for init_loop.
4601 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4603 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4606 2006-05-30 Roger Sayle <roger@eyesopen.com>
4608 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4610 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4611 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4613 2006-05-30 Dirk Mueller <dmueller@suse.de>
4616 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4617 for CONSTANT_CLASS_P expresisons.
4619 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4622 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4624 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4626 PR tree-optimization/27779
4627 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4628 initial_condition instead of CHREC_LEFT.
4630 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4632 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4633 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4634 Make prototypes ISO C90.
4636 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4637 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4639 * see.c (see_analyze_one_def): Correct check.
4640 (see_get_extension_data): Check if extension is parallel.
4641 (see_get_extension_reg): Likewise.
4643 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4646 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4647 into register for (code == GTU).
4649 2006-05-29 Roger Sayle <roger@eyesopen.com>
4651 PR tree-optimization/24964
4652 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4653 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4654 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4655 abs(x)*abs(x) as x*x for scalar floating point modes.
4657 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4660 * lambda-code.c (perfect_nestify): Don't copy statements
4661 in the inner loop: move them to the inner loop header.
4663 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4666 * c-tree.texi: Document OpenMP directives and clauses.
4668 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4670 * varasm.c (globalize_decl): Fix indentation.
4672 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4675 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4676 pass_fre, pass_store_ccp, pass_copy_prop,
4677 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4678 pass_return_slot, pass_object_size, pass_lim,
4679 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4680 pass_loop_prefetch and pass_stdarg.
4682 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4684 * config/bfin/bfin.opt (mfdpic): New option.
4685 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4686 (EXTRA_MULTILIB_PARTS): Likewise.
4687 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4688 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4690 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4691 (CRT_CALL_STATIC_FUNCTION): New.
4692 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4694 (CRT_CALL_STATIC_FUNCTION): New.
4695 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4697 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4698 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4699 (initialize_trampoline): Changed to handle FD-PIC code generation.
4700 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4701 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4702 (override_options): Disallow -mid-shared-library -mfdpic combination.
4703 Can't do unaligned ops if FD-PIC.
4704 Turn off flag_pic if trying to generate non-id-shared-library
4705 non-fdpic code, since it's not supported.
4706 (bfin_assemble_integer): New function.
4707 (TARGET_ASM_INTEGER): Define.
4708 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4710 * config/bfin/crtn.s: Restore them.
4711 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4713 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4714 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4715 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4716 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4717 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4719 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4720 FDPIC_REGS and FDPIC_FPTR_REGS.
4721 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4722 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4723 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4724 (load_funcdescsi): New pattern.
4725 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4726 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4727 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4729 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4731 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4734 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4736 * tree-flow.h: Remove the prototype for add_type_alias.
4737 * tree-ssa-alias.c (add_type_alias): Remove.
4739 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4741 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4742 config/fr30/fr30.md, config/i386/i386-interix.h,
4743 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4744 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4745 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4746 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4747 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4748 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4749 Follow spelling conventions.
4750 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4751 Follow spelling conventions.
4753 2006-05-27 Richard Guenther <rguenther@suse.de>
4756 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4757 to produce a constant of value 1 of generic type.
4759 2006-05-27 Dirk Mueller <dmueller@suse.de>
4761 * cgraphunit.c (decide_is_function_needed): Fix wrong
4764 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4766 PR rtl-optimization/27661
4767 * reload.c (find_reloads): When reloading a VOIDmode constant
4768 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4769 use Pmode as mode of the reload register.
4771 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4773 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4774 is enabled at -O and above.
4776 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4779 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4782 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4785 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4786 for anonymous variables explicitly declared by front ends.
4788 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4790 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4791 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4792 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4793 ref-all pointers, run a finalization pass for them.
4794 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4795 (finalize_ref_all_pointers): New function.
4796 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4797 regular pointer type to a ref-all pointer type.
4798 (get_tmt_for): Return the special memory tag for ref-all pointers.
4800 2006-05-25 Richard Guenther <rguenther@suse.de>
4803 * fold-const.c (fold_binary): Do not look at the stripped
4804 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4806 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4808 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4809 for LT and GT if the computed range is effectively empty.
4811 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4814 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4815 mips_quad_format formats instead of ieee_single_format,
4816 ieee_double_format and ieee_quad_format formats, respectively.
4818 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4820 PR tree-optimization/27639
4821 PR tree-optimization/26719
4822 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4823 call to scev_probably_wraps_p.
4824 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4825 used_in_pointer_arithmetic_p, convert_step): Removed.
4826 (nowrap_type_p): New function.
4827 (scev_probably_wraps_p): Rewritten.
4828 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4829 chrec_convert if chrec_convert_aggressive might have been used.
4830 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4831 scev_direction): New functions.
4832 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4833 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4834 instead of convert_step.
4835 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4836 (convert_step): Declaration removed.
4837 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4839 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4841 * df-core.c: Added to header comments.
4842 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4843 df_ur_bb_info, df_urec_bb_info): Added comments.
4844 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4845 urec, ri problems): Fixed header comments.
4846 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4847 code from df_rd_transfer_function.
4849 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4851 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4852 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4853 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4855 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4857 * expr.c (undefined_operand_subword_p): New.
4858 (emit_move_multi_word): Do not generate move from undefined bits
4859 of a paradoxical subreg.
4861 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4863 PR rtl-optimization/27736
4864 * combine.c (replaced_rhs_value): New variable.
4865 (combine_instructions): Set it.
4866 (distribute_notes): When distributing a note in replaced_rhs_insn,
4867 check whether the value was used in replaced_rhs_value.
4869 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4872 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4873 add_referenced_var instead of add_referenced_tmp_var.
4874 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4875 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4877 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4878 tree_optimize_tail_calls_1): Use add_referenced_var.
4879 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4880 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4881 Use add_referenced_var.
4882 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4883 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4884 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4885 Use add_referenced_var.
4886 * tree-dfa.c (struct walk_state): Remove.
4887 (find_referenced_vars): Remove walk state and vars_found hash table.
4888 (make_rename_temp): Use add_referenced_var.
4889 (find_vars_r): Pass less parameters to add_referenced_var.
4890 (referenced_var_p): New. Is var in referenced_var hash table.
4891 (referenced_var_insert): Assert var isn't already in hash table.
4892 (add_referenced_var): Don't need walk_state parameter. Add var if it
4893 isn't already in the hash table.
4894 (add_referenced_tmp_var): Remove.
4895 (find_new_referenced_vars_1): Use add_referenced_var.
4896 * tree-ssa-pre.c (create_expression_by_pieces,
4897 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4898 Use add_referenced_var.
4899 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4900 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4901 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4903 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4904 vect_create_data_ref_ptr, vect_create_destination_var,
4905 vect_init_vector, vect_build_loop_niters,
4906 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4907 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4908 Use add_referenced_var.
4909 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4910 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4911 (add_referenced_var): Add prototype.
4912 * tree-ssa-structalias.c (get_constraint_for,
4913 intra_create_variable_infos): Use add_referenced_var.
4915 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4917 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4918 big-endian paradoxical subregs.
4919 * var-tracking.c (struct micro_operation_def): Document that,
4920 for modify micro operations, insn is the subsequent instruction.
4921 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4922 (var_reg_set, var_mem_set): ... new functions.
4923 (add_stores): Record subsequent insn.
4924 (compute_bb_dataflow): Use new functions for MO_USE.
4925 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4926 notes after the insn, and modify notes before the insn known
4927 to be the subsequent one.
4928 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4930 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4933 * config/i386/i386.c (ix86_expand_builtin): Use
4934 gen_sse3_monitor64 for TARGET_64BIT.
4936 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4938 PR rtl-optimization/26375
4939 PR rtl-optimization/26855
4940 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4942 (df_ru_bb_local_compute): Reversed statements and removed bogus
4943 comment explaining why they should be in wrong order.
4944 (df_ru_dump, df_rd_dump): Enhanced debug info.
4945 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4947 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4948 reaching uses and fixed space problem.
4950 2006-05-23 Jan Hubicka <jh@suse.cz>
4952 * cgraphunit.c (decide_is_function_needed): Also nested functions
4953 and functions declared inline can be optimized out at -O0.
4955 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4957 * doc/install.texi (Configuration): Remove reference to CrossGCC
4961 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4964 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4965 ix86_compare_emitted is non-NULL.
4967 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4970 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4973 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4975 PR rtl-optimization/25514
4976 * combine.c (replaced_rhs_insn): New variable.
4977 (combine_instructions): Set replaced_rhs_insn when trying to replace
4978 a SET_SRC with a REG_EQUAL note.
4979 (distribute_notes): Use replaced_rhs_insn when determining the live
4980 range of a REG_DEAD register.
4982 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4983 Anatoly Sokolov <aesok@post.ru>
4985 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4986 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4987 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4988 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4989 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4990 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4991 at90usb647, at90usb1286 and at90usb1287 devices.
4992 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4993 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4995 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4997 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4999 2006-05-22 Richard Guenther <rguenther@suse.de>
5002 2006-01-31 Richard Guenther <rguenther@suse.de>
5003 Paolo Bonzini <bonzini@gnu.org>
5005 * doc/install.texi (--disable-libgcc-math): Document.
5007 2006-05-22 Richard Guenther <rguenther@suse.de>
5010 2006-01-31 Richard Guenther <rguenther@suse.de>
5012 * doc/invoke.texi (-msselibm): Document.
5013 * target.h (expand_library_builtin): New target hook.
5014 * builtins.c (expand_builtin): Use expand_library_builtin.
5015 (default_expand_library_builtin): New function.
5016 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5017 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5018 (link_gcc_math_spec): Declare.
5019 (static_specs): Add link_gcc_math_spec.
5020 * expr.h (default_expand_library_builtin): Declare.
5021 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5022 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5023 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5024 * config/i386/i386.opt (msselibm): New target option.
5025 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5026 (ix86_init_sse_abi_builtins): New function.
5027 (ix86_expand_library_builtin): Likewise.
5028 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5029 (override_options): Handle error conditions wrt -msselibm.
5030 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5031 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5032 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5035 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5038 * c-common.c (self_promoting_args_p): Skip erroneous args.
5041 * c-decl.c (finish_struct): Skip erroneous fields.
5043 2006-05-22 Nick Clifton <nickc@redhat.com>
5045 * config/cris/cris.opt (march): Remove VarExists attribute.
5046 (max-stackframe=): Likewise.
5048 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5050 * doc/rtl.texi: Fix a typo.
5051 * see.c: Fix comment typos.
5053 * tree-ssa-structalias.h (alias_info): Remove num_references.
5055 2006-05-21 Mike Stump <mrs@apple.com>
5057 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5059 (darwin_pragma_options): Use BAD instead.
5060 (darwin_pragma_unused): Likewise.
5061 (darwin_pragma_ms_struct): Likewise.
5063 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5065 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5067 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5069 PR rtl-optimization/27671
5070 * simplify-rtx.c (simplify_relational_operation_1): Fix
5071 simplifications of (eq/ne (xor x y) y) and
5072 (eq/ne (xor x y) x).
5074 PR tree-optimization/26622.
5075 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5078 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5080 * tree-cfg.c: Prune whitespace.
5081 (debug_tree_cfg): Point to correct header containing the
5084 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5087 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5089 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5092 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5093 or sorry count is non zero.
5095 2006-05-20 Andreas Schwab <schwab@suse.de>
5097 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5099 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5100 Kenneth Zadeck <zadeck@naturalbridge.com>
5102 PR rtl-optimization/26855
5104 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5106 (df_scan_alloc): Added code to properly handle multiword hard
5107 registers and add all_blocks parameter.
5108 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5109 code to properly handle multiword hard registers.
5110 (df_rescan_blocks): Added code to remove deleted blocks from
5112 (df_ref_create_structure, df_ref_record): Added code to properly
5114 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5115 and set DF_REF_PARTIAL.
5116 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5117 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5118 (df_scan_add_problem): Added flags parameter.
5119 (df_ref_create_structure): Changed switching structure.
5120 (df_bb_refs_record): Fixed case where duplicate artificial refs
5121 were created. Changed location of flags.
5122 (df_record_entry_block_defs): Added code to make stack pointer
5123 live in entry block. Refined cases where frame pointer is needed.
5124 Changed location of flags.
5125 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5126 (df_set_state): Removed function.
5127 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5128 df_insn_create_insn_record, df_insn_refs_delete,
5129 df_ref_create_structure): Formatting changes.
5130 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5131 df_delete_basic_block): New function.
5132 (df_init): Changed location of flags.
5133 (df_add_problem): Added flags parameter and the way flags are
5135 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5136 debug_df_chain): Improved debugging output.
5137 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5138 (df_refs_chain_dump): Removed df parameter.
5139 (df_iterative_dataflow): Added consistency check.
5140 (df_prune_to_subcfg): Made public.
5141 (df_analyze_problem): Added blocks_to_init parameter and made
5143 (df_ref_record, df_bb_refs_record, df_mark_reg,
5144 df_record_exit_block_uses): Whitespace changes.
5145 (df_dump): Whitespace changes.
5146 * df.h: Some reordering to remove forward references.
5147 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5148 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5149 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5150 (dataflow.flags): New field.
5151 (df.flag): Deleted field.
5152 (df_alloc_function): Added additional bitmap parameter.
5153 (df_dependent_problem_function): New type.
5154 (df_problem.changeable_flags): New field.
5155 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5156 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5157 (df_mw_hardreg): New struct.
5158 (DF_INSN_UID_MWS): New macro.
5159 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5161 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5162 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5163 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5164 (df_set_state): Removed function.
5165 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5166 * df-problems.c (df_chain_dump): Removed df parameter.
5167 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5168 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5170 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5171 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5172 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5173 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5174 DF_REF_MUST_CLOBBER cases.
5175 (df_ru_bb_local_compute_process_def,
5176 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5177 df_lr_bb_local_compute, df_ur_bb_local_compute,
5178 df_chain_create_bb): Made subreg aware.
5179 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5180 df_lr_bb_local_compute, df_lr_bb_local_compute,
5181 df_chain_create_bb): Cleanup to use proper macros.
5182 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5183 code to fixup bitvectors.
5184 (df_ri_alloc): Cleared lifetime.
5185 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5186 df_create_unused_note): New function.
5187 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5188 REG_DEAD and REG_UNUSED notes as well as register information.
5189 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5190 df_chains_dump): Fixed crash if problem was never run.
5191 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5192 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5193 df_ri_add_problem): Processes flags in uniform manner.
5194 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5195 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5196 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5197 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5198 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5199 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5200 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5201 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5202 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5203 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5204 * see.c (see_initialize_data): Ditto.
5205 * final.c (rest_of_clean_state) Added regstack_completed.
5206 * rtl.h (regstack_completed): Ditto.
5207 * reg-stack.c (regstack_completed): Ditto.
5209 2006-05-19 Mike Stump <mrs@apple.com>
5211 * c-tree.h (default_conversion): Remove.
5212 * c-common.h (default_conversion): Add.
5214 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5216 * tree-vrp.c (valid_value_p): New function.
5217 (adjust_range_with_scev): Fail if the value of bound is not
5220 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5222 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5223 (mips_fallback_frame_state): Use syscall numbers to determine
5224 the appropriate li instruction for the current ABI. Only use
5225 __NR_sigreturn for o32.
5227 2006-05-19 Nicolas Setton <setton@adacore.com>
5229 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5230 * langhooks.c (lhd_dwarf_name): New function.
5231 * langhooks-def.h (lhd_dwarf_name): Declare.
5232 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5233 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5234 * ada/misc.c (gnat_dwarf_name): New function.
5235 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5237 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5239 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5241 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5242 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5243 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5244 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5245 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5246 determine the size of Wtype, etc.
5247 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5248 (swfloatfuncs): New variable.
5249 (dwfloatfuncs): Likewise.
5250 (lib2funcs): Remove floating-point conversion functions from
5251 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5252 the set of conversion routines needed. Allow entries to specify
5253 an object name, filename and word size. Update users accordingly.
5254 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5255 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5259 2006-02-08 Roger Sayle <roger@eyesopen.com>
5262 * config/fixtfdi.c: New libgcc source file.
5263 * config/fixunstfdi.c: New source file.
5264 * config/floatditf.c: New source file.
5265 * config/floatunditf.c: New souce file.
5266 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5267 files above instead of config/mips/_tilib.c.
5268 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5270 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5272 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5273 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5275 2006-05-18 Mike Stump <mrs@apple.com>
5277 Fix up vla, vm and [*] sematics.
5283 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5284 (c_vla_unspec_p): Add.
5285 (c_vla_type_p): Add.
5286 * c-decl.c (struct c_scope): Add had_vla_unspec.
5287 (build_array_declarator): Add support for [*].
5288 (grokdeclarator): Likewise.
5289 (grokparms): Likewise.
5290 (get_parm_info): Likewise.
5291 * c-objc-common.c (c_vla_unspec_p): Likewise.
5292 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5293 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5294 typeof when argument is a variably modified type not inside sizeof or alignof.
5295 (c_parser_direct_declarator_inner): Propagate errors.
5296 (c_parser_sizeof_expression): Add support for [*].
5297 (c_parser_parms_declarator): Initialize had_vla_unspec.
5298 (c_parser_parms_list_declarator): Likewise.
5299 * c-typeck.c (c_vla_type_p): Add.
5300 (composite_type): Add support for vla compositing.
5301 (comptypes_internal): Add support for vla compatibility.
5302 (c_expr_sizeof_expr): Evaluate vla arguments.
5303 * tree.c (variably_modified_type_p): Update comment for [*].
5305 2006-05-18 Michael Matz <matz@suse.de>
5308 * config.host: Make assignments to host_xmake_file cumulative.
5309 * config.host (*-darwin*): Test $host, not $target.
5311 2006-05-12 Stuart Hastings <stuart@apple.com>
5313 * config/i386/i386.opt (-mstackrealign): New flag.
5314 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5315 (ix86_handle_cconv_attribute): Emit error when
5316 force_align_arg_pointer attribute collides with too many regparms.
5317 (ix86_function_regparm): Limit regparms when used with
5318 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5319 Support stack-realigning prologue in non-main functions. Emit
5320 warning for nested functions under -mstackrealign, emit error for
5321 nested functions with force_align_arg_pointer attribute.
5322 * doc/extend.texi (force_align_arg_pointer): Document it.
5323 * doc/invoke.texi (-mstackrealign): Document it.
5325 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5327 PR rtl-optimization/27477
5328 * combine.c (try_combine): Don't split a parallel consisting
5329 of two sets into two individual sets if both sets reference
5332 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5334 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5335 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5337 * doc/options.texi (VarExists): Updated.
5339 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5341 * unwind-dw2.c: Add declarations for uw_update_context and
5343 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5344 detected, advance frame state and context once to skip over stub.
5346 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5350 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5351 Call rewrite_into_loop_closed_ssa only when something changed.
5352 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5353 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5354 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5355 Test for perfect_nest_p here. Fix formating.
5356 (replace_uses_equiv_to_x_with_y): Fix formating.
5357 (stmt_uses_op): Removed.
5358 (can_convert_to_perfect_nest): Removed loopivs parameter.
5359 Complete the test by checking the scalar dependences.
5360 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5363 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5366 From Dan Kegel <dank@kegel.com>:
5367 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5369 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5371 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5372 if the element type is variably modified without recursing.
5374 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5377 * tree-loop-linear.c (try_interchange_loops): Test for
5378 no data dependences.
5380 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5382 PR tree-optimization/27548
5383 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5384 range of ssa names that appear on abnormal edges.
5385 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5386 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5388 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5391 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5393 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5396 * tree.h (OMP_PARALLEL_COMBINED): Define.
5397 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5398 (new_omp_context): Add is_combined_parallel argument.
5399 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5400 new_omp_context caller.
5401 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5402 Adjust gimplify_scan_omp_clauses callers.
5403 (omp_is_private): Issue errors if iteration variable is firstprivate
5404 or reduction in the current context.
5405 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5406 on combined parallel workshare constructs.
5408 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5410 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5411 (gcc-options.o): New rule.
5413 * optc-gen.awk: Protect variables for gcc-options.o with
5414 #ifdef GCC_DRIVER/#endif.
5416 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5418 Fix PR tree-optimization/27373
5419 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5420 (forward_propagate_addr_expr): Update call.
5422 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5424 * doc/options.texi: Move the Negative option.
5426 2006-05-16 Richard Guenther <rguenther@suse.de>
5428 PR tree-optimization/22303
5429 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5431 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5432 ccp_fold did not simplify the statement.
5434 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5437 * Makefile.in (GCC_OBJS): New.
5438 (OBJS-common): Add opts-common.o.
5439 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5440 (cpp$(exeext)): Likewise.
5441 (gcc.o): Also depend on opts.h.
5442 (opts-common.o): New.
5444 * common.opt (gcoff): Add Negative(gdwarf-2).
5445 (gdwarf-2): Add Negative(gstabs).
5446 (gstabs): Add Negative(gstabs+).
5447 (gstabs+): Add Negative(gvms).
5448 (gvms): Add Negative(gxcoff).
5449 (gxcoff): Add Negative(gxcoff+).
5450 (gxcoff+): Add Negative(gcoff).
5451 * config/i386/i386.opt (m32): Add Negative(m64).
5452 (m64): Add Negative(m32).
5454 * doc/options.texi: Document the Negative option.
5456 * gcc.c: Include "opts.h".
5457 (main): Call prune_options after expandargv.
5459 * optc-gen.awk: Generate common declarations for all flag
5460 variables in options.c. Output the neg_index field.
5462 * opts.c (find_opt): Moved to ...
5463 * opts-common.c: Here. New file.
5465 * opts.h (cl_option): Add a neg_index field.
5467 (prune_options): Likewise.
5469 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5472 * omp-low.c (expand_omp_parallel): Don't assert
5473 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5474 instead search for it.
5477 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5480 2006-05-16 Andreas Schwab <schwab@suse.de>
5482 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5485 2006-05-15 Roger Sayle <roger@eyesopen.com>
5488 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5489 integer constants other than zero are only legitimate on TARGET_64BIT.
5490 <CONST_VECTOR> Only zero vectors are legitimate.
5491 (ix86_cannot_force_const_mem): Integral and vector constants can
5492 always be put in the constant pool.
5494 2006-05-16 DJ Delorie <dj@redhat.com>
5496 * crtstuff.c (__dso_handle): Set section from
5497 TARGET_LBIGCC_SDATA_SECTION if defined.
5498 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5499 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5501 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5504 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5507 2006-05-16 Ben Elliston <bje@au.ibm.com>
5509 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5511 2006-05-15 Per Bothner <per@bothner.com>
5513 * tree.c: (last_annotated_node): Use source_locus typedef.
5514 This permits bootstrapping with --enable-mapped-location.
5516 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5518 PR tree-optimization/26830
5519 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5520 (info_for_ssa_name, current_info_for_ssa_name_age,
5521 blocks_to_update): New variables.
5522 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5523 (clear_ssa_name_info, initialize_flags_in_bb,
5524 mark_block_for_update): New functions.
5525 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5526 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5527 prepare_def_site_for): Use mark_block_for_update.
5528 (mark_def_interesting): Assert that the processed block is marked in
5529 blocks_to_update. Do not take blocks argument.
5530 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5532 (rewrite_update_init_block, rewrite_update_stmt): Only process
5533 blocks with statements to rewrite.
5534 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5535 (update_ssa): Initialize and free blocks_to_update. Do not
5536 clear flags on statements. Do not use blocks bitmap.
5537 * tree.h (SSA_NAME_AUX): Removed.
5538 (struct tree_ssa_name): Removed aux field.
5539 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5541 2006-05-15 Richard Guenther <rguenther@suse.de>
5543 PR tree-optimization/27603
5544 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5545 Do computations in original type.
5547 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5549 * see.c: Code style changes such as redundant paranthesis,
5550 redundant intialization of local variables etc.
5551 (see_main): Declared now as static.
5552 * doc/invoke.texi: Update that -fsee is not enabled by
5555 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5557 * omp-low.c (check_omp_nesting_restrictions): New function.
5558 (scan_omp_1): Call it.
5561 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5562 construct, return *VAR.
5564 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5566 PR rtl-optimization/27406
5567 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5570 2006-05-14 Roger Sayle <roger@eyesopen.com>
5572 PR rtl-optimization/27538
5573 * combine.c (expand_compound_operation): Call gen_lowpart
5574 before calling simplify_shift_const.
5576 2006-05-14 Roger Sayle <roger@eyesopen.com>
5578 PR rtl-optimization/22563
5579 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5580 a fixed width bitfield, always force the intermediates into psuedos.
5582 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5585 * mkconfig.sh: Use operator = instead of == for test.
5587 2006-05-13 Nick Clifton <nickc@redhat.com>
5589 * dwarf2out.c (dbx_reg_number): Check return value from
5590 LEAF_REG_REMAP and only use it if it is valid.
5591 (multiple_reg_loc_descriptor): Likewise.
5593 2006-05-13 Richard Guenther <rguenther@suse.de>
5595 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5598 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5600 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5601 information attached to non-INSNs such as NOTEs.
5602 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5604 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5606 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5608 * config/s390/s390.md: Adjust comment describing On constraint.
5610 2006-05-11 Jan Hubicka <jh@suse.cz>
5612 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5613 to be output at -O0.
5615 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5618 * fold-const.c (size_binop): Move sanity check for arguments to
5619 the beginning of the function.
5622 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5625 2006-05-11 Richard Guenther <rguenther@suse.de>
5628 * fold-const.c (fold_unary): Handle intermediate conversion
5629 to a pointer type like intermediate conversion to an integer
5630 type in folding of (T1)(T2)var to var.
5631 Match the code to the comment in the final conversion for
5632 (T1)(T2)var to (T1)var regarding to type precision. Rather
5633 than disallow T1 being of pointer type, assert that both T1
5634 and var are of pointer type or not. Make sure not to fall
5635 over the frontends lazyness wrt array to pointer decay though.
5637 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5639 * arm.c (arm_struct_value_rtx): Delete.
5640 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5641 (arm_init_cumulative_args): Always initialize nregs to zero.
5643 2006-05-10 Richard Guenther <rguenther@suse.de>
5645 PR tree-optimization/27532
5646 * tree-object-size.c (plus_expr_object_size): Fix typo.
5648 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5651 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5652 ashrdi_const, ashrdi3): Use a scratch register.
5654 2006-05-10 Richard Guenther <rguenther@suse.de>
5656 PR tree-optimization/27302
5657 * fold-const.c (operand_equal_p): For two comparisons,
5658 try comparison of one comparison code swapped if that yields
5661 2006-05-10 Ben Elliston <bje@au.ibm.com>
5663 * tree-pretty-print.c (pretty_print_string): No need to handle
5664 '\0' as a special character.
5666 * tree.h: Include "hashtab.h".
5667 (iterative_hash_expr): Use hashval_t in its prototype.
5668 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5670 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5673 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5674 (hppa*64*-*-hpux11*): Ditto.
5675 (hppa[12]*-*-hpux11*): Ditto.
5677 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5680 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5682 2006-05-09 Michael Matz <matz@suse.de>
5684 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5685 host_extra_gcc_objs and host_xmake_file.
5686 (<*-*-linux*>): Don't overwrite host_xmake_file.
5687 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5688 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5689 (host_detect_local_cpu): Declare.
5690 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5691 * config/i386/i386.c (override_options): Handle -mtune=native
5693 * config/i386/x-i386: New file.
5694 * config/i386/driver-i386.c: New file.
5695 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5698 2006-05-09 Dirk Mueller <dmueller@suse.de>
5699 Richard Guenther <rguenther@suse.de>
5702 * fold-const.c (fold_read_from_constant_string): Relax check
5703 for matching types to matching modes.
5705 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5707 PR rtl-optimization/27335
5708 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5711 2006-05-08 Chao-ying Fu <fu@mips.com>
5712 Richard Sandiford <richard@codesourcery.com>
5714 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5715 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5716 * config/mips/mips.md (UNSPEC_SCC): New constant.
5717 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5718 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5719 (mips_emit_compare): Use it.
5720 (mips_expand_vcondv2sf): New function.
5722 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5724 Fix PR tree-optimization/27093
5725 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5726 renaming when they become not-used_alone.
5728 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5730 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5731 relocation and relocation stubs.
5733 2006-05-08 Eric Christopher <echristo@apple.com>
5735 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5738 2006-05-08 Jan Hubicka <jh@suse.cz>
5741 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5742 unused static functions are needed.
5744 2006-05-08 Roger Sayle <roger@eyesopen.com>
5747 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5748 of a reg_equiv_constant if the result is a legitimate constant.
5750 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5753 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5754 standard 80387 constants, raise the cost to prevent
5755 compress_float_constant() to generate load from memory.
5757 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5759 * config/arm/constraints.md (c): Fix a typo.
5761 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5764 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5767 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5769 (_mm_mwait): Likewise.
5771 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5773 (sse3_monitor): Make it 32bit only.
5774 (sse3_monitor64): New. 64bit monitor.
5776 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5779 * config/i386/i386.c (classify_argument): Skip fields with invalid
5782 2006-05-07 Richard Guenther <rguenther@suse.de>
5784 PR tree-optimization/27409
5785 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5786 Do not try to find zero-sized subvars.
5788 2006-05-07 Richard Guenther <rguenther@suse.de>
5790 PR tree-optimization/27136
5791 * tree-ssa-loop-niter.c (get_val_for): Correct function
5792 comment, assert requirements.
5793 (loop_niter_by_eval): Stop processing if the iterated
5794 value did not simplify.
5796 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5798 * opts.c (flag_see): remove its setting at -O3.
5800 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5802 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5803 * arm/constraints.md: New file.
5804 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5805 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5806 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5807 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5808 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5809 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5810 * arm.md: Include constraints.md.
5811 (thumb_movsi_insn): Use satisfies_constraint_J.
5812 (movhi, movqi): Use satisfies_constraint_I.
5814 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5816 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5817 for atmeg a645 device.
5819 2006-05-06 Richard Guenther <rguenther@suse.de>
5821 PR tree-optimization/27151
5822 * tree-vect-transform.c (vectorizable_condition): Punt on
5823 values that have a different type than the condition.
5825 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5828 * c-parser.c (c_parser_cast_expression): Only insert casts into
5829 hash table if pointer.
5830 * function.c (used_types_insert_helper): Rename from
5832 (used_types_insert): Call used_types_insert_helper.
5833 * function.h (used_types_insert): Accept only one argument.
5835 2006-05-05 David Edelsohn <edesohn@gnu.org>
5837 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5838 scratch with output modifier.
5840 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5843 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5844 with output modifier.
5846 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5849 * config/mips/mips.c (mips_symbolic_address_p): Return true
5850 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5851 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5853 2006-05-04 Richard Guenther <rguenther@suse.de>
5855 PR tree-optimization/14287
5856 PR tree-optimization/14844
5857 PR tree-optimization/19792
5858 PR tree-optimization/21608
5859 PR tree-optimization/27090
5860 * tree-ssa-pre.c (try_combine_conversion): New function.
5861 (compute_avail): After constructing the value-handle
5862 expression, use try_combine_conversion to combine NOP_EXPRs
5863 with previous value-handle expressions and use the result if it
5866 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5868 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5870 2006-05-04 Jan Hubicka <jh@suse.cz>
5873 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5875 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5877 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5878 that this only matches CONST_INTs. All users changed to VOIDmode
5881 * config/bfin/bfin.c: Include "optabs.h".
5882 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5884 (enum bfin_builtins): Add a number of fractional and vector builtins.
5885 (bfin_init_builtins): Likewise.
5886 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5887 (safe_vector_operand, bfin_expand_binop_builtin,
5888 bfin_expand_unop_builtin): New functions.
5889 (bfin_expand_builtin): Handle the new builtins.
5890 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5893 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5896 * Makefile.in (OBJS-common): Add see.o.
5897 (see.o): Add dependencies.
5898 * common.opt (fsee): New flag for the see optimization was added.
5899 * opts.c (flag_see): Initialized.
5900 * passes.c (init_optimization_passes, pass_see): New pass.
5901 * rtl.h (see_main): Declaration as extern.
5902 * timevar.def (TV_SEE): New.
5903 * tree-pass.h (pass_see): Declaration as extern.
5904 * invoke.texi (-fsee): Document.
5905 * recog.c (validate_simplify_insn): New function.
5906 * recog.h (validate_simplify_insn): Declaration as extern.
5907 * df-problems.c (df_chain_dump): Check for NULL.
5909 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5910 Daniel Berlin <dberlin@dberlin.org>
5912 * cfgrtl.c (insert_insn_bb_end_new): New function.
5913 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5915 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5917 * df.h (struct web_entry): Moved from web.c.
5918 (union_defs): Declaration as extern.
5919 (unionfind_root): Likewise.
5920 (unionfind_union): Likewise.
5921 * web.c (struct web_entry): Moved to df.h.
5922 (unionfind_root): Remove static declaration.
5923 (unionfind_union): Likewise.
5924 (union_defs): Likewise and generalize to use callback function.
5925 (web_main): Update arguments for union_defs function call.
5927 2006-05-04 Richard Guenther <rguenther@suse.de>
5929 PR tree-optimization/26447
5930 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5931 produce SSA_NAME copies before the store stmt to avoid
5932 breaking exception handling.
5934 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5937 * gimplify.c (omp_is_private): If var is shared in some outer context,
5938 return false instead of true. Stop searching on parallel context
5941 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5944 * coverage.c: Use get_gcov_unsigned_t() instead of
5945 unsigned_type_node all over.
5947 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5949 PR tree-optimization/27381
5950 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5951 maintain the same immediate_use links.
5952 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5953 node rather than segfaulting.
5955 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5958 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5959 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5960 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5962 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5964 Fix PR tree-optimization/26626
5965 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5967 * tree-ssa-operands.c (access_can_touch_variable): Allow
5968 typecasting through union pointers.
5970 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5973 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5974 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5975 to find if var will be a global variable even in the nested context.
5976 (omp_copy_decl): Only check for global variable at the end, it might
5977 be overridden in outer contexts.
5978 (scan_sharing_clauses): For global variables don't create a field.
5979 (lower_rec_input_clauses): Do nothing for global shared variables.
5980 Emit a barrier at the end of ILIST if there were any decls in both
5981 firstprivate and lastprivate clauses.
5982 (lower_send_clauses): Do nothing for global variables except for
5985 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5987 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5988 of the correct signedness is returned.
5990 2006-05-02 Jeff Law <law@redhat.com>
5992 PR tree-optimization/27364
5993 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5994 multiply expressions.
5996 2006-05-02 Tom Tromey <tromey@redhat.com>
5998 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6000 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6003 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6004 -mthumb -fPIC are used.
6006 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6007 Joshua Kinard <kumba@gentoo.org>
6010 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6011 with 64-bit pointers.
6013 2006-05-02 Paul Brook <paul@codesourcery.com>
6015 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6017 (create_fix_barrier): Check that a suitable barrier location is
6019 (arm_reorg): Include ftmp->address in allowable range of addresses.
6021 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6024 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6027 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6030 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6031 around RESULT_DECL for result passed by reference.
6032 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6033 * omp-low.c (use_pointer_for_field): Don't look at
6034 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6035 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6036 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6037 time or var for passing by reference for
6038 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6039 TREE_ADDRESSABLE variables when passing by reference.
6041 * omp-low.c (dump_omp_region): Fix output formatting.
6044 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6045 (expand_omp_parallel): Likewise.
6046 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6049 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6050 on statement list containing also constructors and destructors.
6051 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6054 * except.c (duplicate_eh_regions): Fix clearing of
6055 cfun->eh->region_array entries.
6057 2006-05-01 DJ Delorie <dj@redhat.com>
6059 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6061 (gcc_cv_objdump): Likewise.
6062 * configure: Regenerated.
6064 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6067 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6068 templates for case 3 and 4.
6070 2006-05-01 DJ Delorie <dj@redhat.com>
6072 * vec.c: Include bconfig.h when appropriate.
6073 * Makefile.in (build/vec.o): Adjust dependencies.
6074 * mkconfig.sh: Make sure config.h isn't used for build machine
6077 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6079 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6081 (mark_phi_for_rewrite): New function.
6082 (insert_phi_nodes_for, mark_use_interesting): Call
6083 mark_phi_for_rewrite.
6084 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6085 (update_ssa): Initialize and free phis_to_rewrite.
6087 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6089 PR rtl-optimization/27291
6090 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6091 folded to a constant.
6093 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6095 PR tree-optimization/27283
6096 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6097 not whole # of iteration descriptions.
6098 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6099 uses abnormal ssa name.
6100 (niter_for_single_dom_exit): Ditto.
6101 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6102 return just the number of iterations.
6104 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6106 PR tree-optimization/27144
6107 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6108 (record_estimate): Only record constant upper bound.
6109 (infer_loop_bounds_from_undefined): Call
6110 compute_estimated_nb_iterations just once.
6111 (proved_non_wrapping_p): Renamed to ...
6112 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6113 (convert_step_widening, scev_probably_wraps_p): Call
6114 n_of_executions_at_most instead of proved_non_wrapping_p.
6115 (substitute_in_loop_info): Do not replace values in bounds.
6116 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6119 2006-05-01 Richard Henderson <rth@redhat.com>
6122 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6123 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6126 2006-05-01 Roger Sayle <roger@eyesopen.com>
6128 * c-typeck.c (parser_build_binary_op): Don't call the function
6129 unsigned_conversion_warning to spot operand/result type overflow.
6130 (build_binary_op): Instead, call convert_and_check instead of
6131 convert to report the problem when the operands are promoted.
6132 * c-common.c (unsigned_conversion_warning): Make static.
6133 * c-common.h (unsigned_conversion_warning): Delete prototype.
6135 2006-05-01 Richard Guenther <rguenther@suse.de>
6137 PR tree-optimization/26726
6138 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6140 (find_interesting_uses_address): ... we work around here
6141 by folding INDIRECT_REFs in the substituted base.
6143 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6145 * omp-low.c (dump_omp_region): Add newlines.
6147 2006-04-30 Roger Sayle <roger@eyesopen.com>
6149 * common.opt (Woverflow): New command line option.
6150 * c-common.c (constant_expression_warning): Check warn_overflow.
6151 (overflow_waring): Pass OPT_Woverflow to warning.
6152 (unsigned_conversion_warning): Likewise.
6153 (convert_and_check): Likewise.
6154 * doc/invoke.texi: Document new command line option.
6156 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6158 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6159 TARGET_NO_FP_IN_TOC for section anchors.
6160 (optimization_options): Enable section anchors for all
6161 non-"Objective" languages.
6163 2006-04-28 Eric Christopher <echristo@apple.com>
6165 * config/darwin-c.c (darwin_ms_struct): Move this
6166 (darwin_set_default_type_attributes): and this...
6167 * config/darwin.c: ... here.
6168 * config/darwin.h (darwin_ms_struct): Declare.
6170 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6172 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6174 2006-04-28 Roger Sayle <roger@eyesopen.com>
6177 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6178 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6179 an unsigned HOST_WIDE_INT.
6180 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6182 (really_start_incremental_init): No need to call convert because
6183 bitsize_zero_node is already of type bitsizetype.
6184 (push_init_level): Extract the value of constructor_index as an
6185 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6186 (process_init_element): Likewise.
6188 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6190 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6191 value before passing to make_relative_prefix.
6193 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6196 * builtins.c (expand_builtin_memset): Expand val in original mode.
6198 2006-04-27 Eric Christopher <echristo@apple.com>
6200 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6201 with #ifndef/#endif.
6202 * config/darwin-c.c (darwin_ms_struct): New.
6203 (darwin_pragma_ms_struct): Ditto.
6204 (darwin_set_default_type_attributes): Ditto.
6205 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6206 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6207 Register ms_struct pragma.
6208 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6209 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6210 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6211 darwin_set_default_type_attributes if TARGET_MACHO.
6213 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6215 PR tree-optimization/26854
6216 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6217 * doc/tree-ssa.texi: Update immuse iterator documentation.
6218 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6219 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6220 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6221 first_safe_imm_use, next_safe_imm_use): Remove.
6222 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6223 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6224 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6225 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6226 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6227 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6228 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6229 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6230 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6231 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6232 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6233 (perfect_nestify): Use new iterator.
6234 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6236 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6237 (next_imm_name): New field in struct immediate_use_iterator_d.
6238 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6239 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6240 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6241 * tree-cfg.c (replace_uses_by): Use new iterator.
6242 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6243 * tree-ssa-operands.c (correct_use_link): Remove.
6244 (finalize_ssa_use_ops): No longer call correct_use_link.
6246 2006-04-27 Stuart Hastings <stuart@apple.com>
6248 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6249 * config/t-darwin (crt3.o): Use it.
6250 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6251 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6252 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6253 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6254 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6257 2006-04-27 Roger Sayle <roger@eyesopen.com>
6259 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6260 size, force the intermediate into a new pseudo rather instead of
6261 performing both a bitwise AND and a bitwise IOR in memory.
6263 2006-04-27 Richard Guenther <rguenther@suse.de>
6265 PR rtl-optimization/26685
6266 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6267 this one "max-flow-memory-locations".
6269 2006-04-27 Richard Guenther <rguenther@suse.de>
6271 PR tree-optimization/25148
6272 * tree-vrp.c (compare_values): Remove code dealing with
6273 comparisons against type min/max value. Honour overflow
6274 and negative constants in code dealing with comparisons
6275 of plus and minus expressions.
6276 (value_inside_range): Use fold_binary with LE_EXPR and
6277 GE_EXPR rather than compare_values.
6279 2006-04-27 Dirk Mueller <dmueller@suse.de>
6281 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6284 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6286 * basic-block.h (safe_insert_insn_on_edge): Removed.
6287 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6289 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6290 Paolo Bonzini <bonzini@gnu.org>
6293 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6294 (simplify_and_const_int): Same.
6296 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6298 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6300 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6303 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6304 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6305 cgraph_global_info_ready.
6308 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6311 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6312 either decl or init is error_mark_node.
6315 * tree-flow.h (struct omp_region): Add sched_kind.
6316 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6317 instead of extracting omp for data.
6318 (expand_omp_for): Save extracted sched_kind.
6320 2006-04-25 Roger Sayle <roger@eyesopen.com>
6322 * expmed.c (store_bit_field): Also check whether the bitsize is
6323 valid for the machine's "insv" instruction before moving the
6324 target into a pseudo for use with the insv.
6325 * config/i386/predicates.md (const8_operand): New predicate.
6326 * config/i386/i386.md (extv, extzv, insv): Use the new
6327 const8_operand predicate where appropriate.
6329 2006-04-25 DJ Delorie <dj@redhat.com>
6331 * doc/install.texi (Specific): Clarify that this is not a list of
6332 supported hosts or targets.
6334 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6336 PR rtl-optimization/26725
6337 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6338 block's BB_DIRTY flag.
6340 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6342 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6345 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6346 to print an integer.
6348 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6350 * varasm.c (align_variable): New function.
6351 (get_block_for_decl): Apply align_variable to DECL before
6352 calculating section information.
6353 (assemble_variable): Split out alignment computation.
6355 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6357 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6360 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6362 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6363 MODE_PARTIAL_INT mode.
6364 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6365 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6367 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6368 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6370 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6372 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6374 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6375 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6376 MACFLAG_IH): Likewise.
6377 (movstricthi_1): Renamed from "*movstricthi".
6378 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6379 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6380 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6381 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6382 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6383 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6384 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6385 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6386 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6387 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6388 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6389 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6390 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6391 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6392 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6394 * doc/rtl.texi (ss_ashift): Improve wording.
6396 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6398 * dwarf2out.c (verify_marks_clear): New.
6399 (prune_unused_types): Call verify_marks_clear initially, not
6402 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6404 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6405 * doc/rtl.texi: Document them.
6406 * simplify-rtx.c (simplify_unary_operation,
6407 simplify_binary_operation_1): Don't abort when we see them.
6409 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6412 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6413 * configure.ac: Completely disregard languages that are not
6415 * configure: Regenerated.
6417 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6418 Richard Guenther <rguenther@suse.de>
6420 PR tree-optimization/27236
6421 * tree-inline.c (copy_body_r): Make sure to copy
6422 TREE_THIS_VOLATILE flag.
6424 2006-04-24 Richard Guenther <rguenther@suse.de>
6427 * tree-complex.c (update_parameter_components): Don't handle
6428 unused parameters which have no default def.
6430 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6431 Richard Guenther <rguenther@suse.de>
6433 PR tree-optimization/27218
6434 * tree-inline.c (expand_call_inline): Strip useless type
6435 conversions for the return slot address.
6437 2006-04-24 Richard Guenther <rguenther@suse.de>
6439 * cfgloop.h (struct loops): Remove unused field array. Reorder
6441 (LOOP_PREFETCH): Remove.
6443 2006-04-24 Richard Guenther <rguenther@suse.de>
6445 PR tree-optimization/22525
6446 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6447 variable, adjust types of generated expressions.
6449 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6451 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6452 (tree-vect-patterns.o): Likewise.
6454 (cselib.o): Likewise.
6455 (loop-doloop.o): Likewise.
6456 (regclass.o): Likewise.
6457 (reload1.o): Likewise.
6458 (explow.o): Replace target.h with $(TARGET_H).
6459 (ipa-prop.o): Likewise.
6460 (ipa-cp.o): Likewise.
6461 (ipa-inline.o): Likewise.
6462 (reorg.o): Likewise.
6463 (reg-stack.o): Likewise.
6465 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6467 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6469 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6471 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6473 * configure.ac: Completely disregard languages that are not
6475 * configure: Regenerated.
6478 * c-common.h (c_build_bitfield_integer_type): Declare.
6479 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6480 * c-common.c (c_build_bitfield_integer_type): ... here.
6482 2006-04-23 Roger Sayle <roger@eyesopen.com>
6485 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6486 a SImode SUBREG of a floating point register after no_new_pseudos.
6488 2006-04-23 Roger Sayle <roger@eyesopen.com>
6490 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6491 identify potentially eliminable registers to additionally catch
6492 VIRTUAL_INCOMING_ARGS_REGNUM.
6493 (addsi3): Update the conditions on when to use addsi_small_int.
6495 2006-04-23 Roger Sayle <roger@eyesopen.com>
6498 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6499 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6500 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6502 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6504 * fold-const.c (range_predecessor): Use operand_equal_p
6505 as the predicate for equality.
6506 (range_successor): Likewise.
6508 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6511 * config/soft-fp/op-common.h: Fix a typo.
6513 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6516 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6517 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6519 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6521 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6523 * doc/tm.texi: Fix a typo.
6525 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6527 * dwarf2out.c (struct die_struct): Document that die_sib makes
6528 a circular linked list.
6529 (FOR_EACH_CHILD): New.
6530 (reverse_die_lists): Delete.
6531 (reverse_all_dies): Delete.
6532 (add_dwarf_attr): Correct documentation.
6533 (remove_child_with_prev): New.
6534 (remove_child_TAG): Update for change to die_struct, use
6535 remove_child_with_prev.
6536 (add_child_die): Update for change to die_struct.
6537 (splice_child_die): Use remove_child_with_prev and add_child_die.
6538 (print_die): Use FOR_EACH_CHILD.
6539 (die_checksum): Likewise.
6540 (assign_symbol_names): Likewise.
6541 (output_location_lists): Likewise.
6542 (build_abbrev_table): Likewise.
6543 (calc_die_sizes): Likewise.
6544 (mark_dies): Likewise.
6545 (unmark_dies): Likewise.
6546 (unmark_all_dies): Likewise.
6547 (output_die): Likewise.
6548 (prune_unused_types_mark): Likewise.
6549 (prune_unused_types_walk): Likewise.
6550 (same_die_p): Update for change to die_struct.
6551 (break_out_includes): Likewise.
6552 (prune_unused_types_prune): Likewise.
6553 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6554 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6556 (dwarf2out_finish): Don't call reverse_all_dies.
6558 2006-04-21 Eric Christopher <echristo@apple.com>
6560 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6561 in comments and function names.
6563 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6566 * c-typeck.c (digest_init): Robustify.
6568 * c-typeck.c (pop_init_level): Simplify.
6570 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6572 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6574 2006-04-21 Paul Brook <paul@codesourcery.com>
6576 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6577 hardware floating point.
6579 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6581 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6584 2006-04-21 Nick Clifton <nickc@redhat.com>
6586 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6589 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6592 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6593 C++ lang type in traceback table for Objective-C++.
6595 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6597 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6599 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6601 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6604 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6605 were errors. Remove check for erroneous objects.
6607 2006-04-20 Jeff Law <law@redhat.com>
6609 PR tree-optimization/26854
6610 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6611 checking for zero or one use.
6612 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6613 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6614 * tree-ssa-reassoc.c (negate_value): Similarly.
6615 (reassociate_bb): Similarly.
6617 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6619 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6620 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6621 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6623 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6625 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6626 fp regs if the last fp arg doesn't fit in regs.
6628 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6631 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6632 that the last insn has the REG_INC note.
6634 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6635 Nathan Sidwell <nathan@codesourcery.com>
6638 * stor-layout.c (update_alignment_for_field): Do not align
6640 (place_union_field): Place union field at the start of the union.
6641 (place_field): Move ERROR_MARK check later, and use the current
6642 allocation position to maintain monotonicity.
6644 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6646 * dominance.c: Include timevar.h.
6647 (calculate_dominance_info): Use TV_DOMINANCE.
6648 * timevar.def (TV_DOMINANCE): New timevar.
6649 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6651 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6653 PR rtl-optimization/14261
6654 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6655 move would be an INSV insn.
6656 (noce_process_if_block): Don't optimize if the destination is a
6657 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6659 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6661 * config/s390/s390.md: Add comments with the instructions emitted
6662 by an insn pattern if macros are used.
6664 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6666 PR rtl-optimization/26026
6667 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6668 is a known power of two shifted left a variable amount.
6670 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6672 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6673 to hash table twice when the debug_str section has SECTION_MERGE.
6675 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6677 * config/soft-fp: New directory. From glibc.
6678 * config/soft-fp/t-softfp: New.
6679 * config/soft-fp/README: New.
6680 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6681 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6682 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6683 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6684 * config.gcc: Use rs6000/t-fprules-fpbit or
6685 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6687 * config/rs6000/sfp-machine.h: New. Based on glibc.
6688 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6690 * config/rs6000/t-fprules: Remove fp-bit rules.
6691 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6692 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6693 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6694 (softfp_wrap_start, softfp_wrap_end): New.
6696 2006-04-18 DJ Delorie <dj@redhat.com>
6698 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6700 2006-04-18 Devang Patel <dpatel@apple.com>
6702 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6704 2006-04-18 Nick Clifton <nickc@redhat.com>
6706 * config/sh/t-symbian: Add rule to build sh-c.o
6707 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6708 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6709 (sh_symbian_encode_section_info): Likewise.
6711 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6713 * builtins.c (expand_builtin_strcmp): Cover label definition of
6714 do_libcall with HAVE_cmpstrnsi.
6716 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6718 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6720 * function.h (temp_slot_p): New.
6721 (function): Change the type of x_used_temp_slots to
6722 VEC(temp_slot_p,gc) *.
6724 2006-04-18 Nick Clifton <nickc@redhat.com>
6726 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6727 flag_strength_reduce.
6729 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6731 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6735 Partial revert of revision 112637
6736 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6737 Dale Johannesen <dalej@apple.com>
6740 * regclass.c (struct reg_pref): Update documentation.
6741 (regclass): Set prefclass to NO_REGS if memory is the best option.
6742 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6744 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6746 PR tree-optimization/26821
6747 * tree-ssa-math-opts.c (get_constant_one): New.
6748 (insert_reciprocals): Use it.
6750 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6752 * dwarf2out.c (free_AT): Delete.
6753 (remove_AT): Update string ref counts.
6754 (remove_child_TAG): Don't call free_die.
6756 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6757 or DW_TAG_GNU_EINCL.
6758 (prune_unused_types_walk_attribs): Reset string refcounts.
6759 (prune_unused_types_update_strings): New.
6760 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6761 call free_die. Do call prune_unused_types_update_strings.
6762 (prune_unused_types): Empty debug_str_hash.
6764 2006-04-17 Roger Sayle <roger@eyesopen.com>
6766 * expr.c (expand_assignment): Optimize away no-op moves where the
6767 source and destination are equal and have no side-effects.
6769 2006-04-17 Richard Guenther <rguenther@suse.de>
6772 * reload.c (push_reload): Guard calls to get_secondary_mem
6775 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6777 * alias.c (reg_base_value, old_reg_base_value): Change the
6778 type to VEC(rtx,gc) *.
6779 (REG_BASE_VALUE, find_base_value, record_set,
6780 init_alias_analysis): Use VEC instead of VARRAY.
6782 * alias.c (alias_sets): Change the type to
6783 VEC(alias_set_entry,gc) *.
6784 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6785 VEC instead of VARRAY.
6786 (last_alias_set): Remove.
6788 * cgraph.h (cgraph_edge_p): New.
6789 Update the prototype of cgraph_function_versioning.
6790 * cgraphunit.c (cgraph_copy_node_for_versioning,
6791 cgraph_function_versioning): Use VEC instead of VARRAY.
6792 * ipa-cp.c (ipcp_insert_stage): Likewise.
6794 2006-04-16 Roger Sayle <roger@eyesopen.com>
6797 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6798 "A op B" or "A op C", we may need to convert A to the type of B and C.
6800 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6802 * target.h (struct gcc_target): Add mode_rep_extended.
6803 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6804 (init_num_sign_bit_copies_in_rep): Initialize it using
6806 (truncate_to_mode): Use it.
6807 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6808 * targhooks.h (default_mode_rep_extended): Declare it.
6809 * targhooks.c (default_mode_rep_extended): Define it.
6810 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6811 default_mode_rep_extended.
6812 (TARGET_INITIALIZER): Include it.
6813 * doc/tm.texi (Misc): Document it.
6814 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6815 (mips_truncated_to_mode): New function.
6817 2006-04-16 Roger Sayle <roger@eyesopen.com>
6820 * expr.c (compress_float_constant): Copy the narrow constant into
6821 a new pseudo before extending it to its final width.
6823 2006-04-16 Roger Sayle <roger@eyesopen.com>
6824 Andrew Pinski <pinskia@gcc.gnu.org>
6825 Dale Johannesen <dalej@apple.com>
6828 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6829 special case code to implement V8HImode and V16QImode with SSE2.
6831 2006-04-15 Roger Sayle <roger@eyesopen.com>
6833 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6834 trees are constructed with a suitable tree type.
6836 2006-04-15 Roger Sayle <roger@eyesopen.com>
6838 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6839 (integer_onep): Likewise.
6840 (integer_all_onesp): Likewise.
6841 (integer_pow2p): Likewise.
6842 (integer_nonzerop): Likewise.
6843 (real_zerop): Likewise.
6844 (real_onep): Likewise.
6845 (real_twop): Likewise.
6846 (real_minus_onep): Likewise.
6847 (int_size_in_bytes): Likewise.
6848 (host_integerp): Likewise.
6850 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6852 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6853 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6854 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6856 * tree-ssa-structalias.h (alias_info): Remove num_references.
6858 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6860 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6861 (output_bvb patterns): Likewise.
6862 * pa.c (output_bb): Use 'bb' insn for long branch case.
6863 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6864 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6865 1. Correct length operand for alternatives 1 and 2.
6866 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6867 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6869 2006-04-14 Roger Sayle <roger@eyesopen.com>
6871 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6872 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6873 were accidentally reverted by r112959.
6875 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6878 * except.h (eh_region_outermost): New prototype.
6879 * except.c (eh_region_outermost): New function.
6880 * tree-cfg.c (find_outermost_region_in_block): Use it.
6882 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6884 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6886 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6887 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6888 (init_reload, reload): Use VEC instead of VARRAY.
6889 * reload.h: Update the prototype for
6890 reg_equiv_memory_loc_varray.
6892 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6893 Eric Botcazou <ebotcazou@libertysurf.fr>
6895 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6898 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6901 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6902 to expand fallback builtin function call.
6904 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6907 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6908 and emit libcall here in case the builtin fails.
6909 (expand_builtin_strcmp): Always emit the libcall here on failure.
6911 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6913 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6914 * flow.c (reg_n_info): Change the type to
6915 VEC(reg_info_p,heap) *.
6916 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6918 * regs.h (reg_info_p): New.
6919 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6920 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6921 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6924 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6926 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6928 * params.h (MAX_SCHED_READY_INSNS): New macro.
6929 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6930 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6931 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6932 the ready list for 1 cycle during the first scheduling pass.
6933 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6935 2006-04-13 Richard Henderson <rth@redhat.com>
6938 * gimple-low.c (lower_omp_directive): Remove dead code.
6939 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6940 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6941 * omp-low.c (struct omp_region): Move to tree-flow.h.
6942 (root_omp_region): Export.
6943 (omp_regions, lookup_omp_region): Remove.
6944 (determine_parallel_type): Update for struct omp_region changes.
6945 (dump_omp_region): Dump regions with block numbers.
6946 (new_omp_region): Take type and block instead of stmt; malloc
6948 (free_omp_region_1, free_omp_regions): New.
6949 (expand_parallel_call): Take entry_stmt as argument; update for
6950 changes to omp_region.
6951 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6952 (remove_exit_barriers): New.
6953 (expand_omp_parallel): Update for struct omp_region changes.
6954 (expand_omp_synch): Likewise.
6955 (expand_omp): Likewise.
6956 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6957 (expand_omp_for_static_chunk): Likewise.
6958 (expand_omp_for): Likewise.
6959 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6960 (expand_omp_sections): Similarly, with GOMP_sections_end.
6961 (expand_omp_single): New.
6962 (build_omp_regions_1): Update for OMP_CONTINUE.
6963 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6964 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6965 OMP_SECTIONS_SECTIONS.
6966 (lower_omp_single_simple): Don't emit barrier here.
6967 (lower_omp_single_copy): Likewise.
6968 (lower_omp_single): Fix bindings, and lower to straightline now.
6969 (lower_omp_master, lower_omp_ordered): Likewise.
6970 (lower_omp_critical): Likewise.
6971 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6972 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6973 omp edges, free it afterward.
6974 (make_omp_sections_edges): Remove.
6975 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6976 (move_stmt_r): Handle OMP_CONTINUE.
6977 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6978 statement pointers to basic blocks. Add type member.
6979 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6980 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6981 * tree-inline.c (estimate_num_insns_1): Likewise.
6982 * tree-pretty-print.c (dump_generic_node): Likewise.
6983 * tree-ssa-operands.c (get_expr_operands): Likewise.
6984 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6985 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6986 (OMP_CONTINUE): New.
6987 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6988 (OMP_SECTIONS_SECTIONS): Remove.
6989 (OMP_SECTION_LAST): New.
6990 (OMP_RETURN_NOWAIT): New.
6992 2006-04-13 Roger Sayle <roger@eyesopen.com>
6994 * fold-const.c (native_encode_vector, native_interpret_real):
6995 Correct obvious mistakes in the previous check-in.
6997 2006-04-13 Roger Sayle <roger@eyesopen.com>
6999 * fold-const.c (native_encode_expr): New function to encode
7000 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7001 or VECTOR_CST into a specified buffer.
7002 (native_encode_int): New function.
7003 (native_encode_real): New function.
7004 (native_encode_complex): New function.
7005 (native_encode_vector): New function.
7006 (native_interpret_expr): Inverse of native_encode_expr to convert
7007 a target representation into an INTEGER_CST, REAL_CST etc...
7008 (native_interpret_int): New function.
7009 (native_interpret_real): New function.
7010 (native_interpret_complex): New function.
7011 (native_interpret_vector): New function.
7012 (fold_view_convert_expr): New function to constant fold/evaluate
7013 a VIEW_CONVERT_EXPR of a suitable constant expression.
7014 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7015 Change call of build1 to fold_build1 when constructing a
7018 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7019 Ulrich Weigand <uweigand@de.ibm.com>
7022 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7025 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7028 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7029 optimize to lo_sum for DFmode if !TARGET_FPRS.
7031 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7033 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7034 delete_alias_info, compute_flow_sensitive_aliasing,
7035 group_aliases): Use VEC instead of VARRAY.
7036 * tree-ssa-structalias.c (update_alias_info): Likewise.
7037 * tree-ssa-structalias.h (alias_info): Change the type of
7038 processed_ptrs to VEC(tree,heap) *.
7040 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7043 * config/sh/lib1funcs.h: New file, broken out of:
7044 * config/sh/lib1funcs.asm.
7045 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7047 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7048 * config/sh/lib1funcs-Os-4-200.asm: New file.
7049 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7050 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7051 (EXTRA_MULTILIB_PARTS): Include it.
7052 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7053 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7054 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7055 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7058 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7060 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7061 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7062 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7064 * tree-ssa-live.h: Include vecprim.h.
7065 (tree_partition_associator_d): Change the type of
7066 first_partition to VEC(int,heap) *.
7067 (tpa_first_partition): Use VEC instead of VARRAY.
7069 * Makefile.in (GTFILES): Move functions.h after tree.h.
7070 * function.c (reset_block_changes, record_block_change,
7071 check_block_change, free_block_changes): Use VEC instead of
7073 * function.h (function): Change the type of
7074 ib_boundaries_block to VEC(tree,gc) *.
7075 * tree-inline.c (copy_cfg_body): Initialize
7076 ib_boundaries_block to NULL instead of (varray_type) 0.
7078 2006-04-12 Roger Sayle <roger@eyesopen.com>
7080 * expr.c (emit_group_store): Correct operand order in call to
7081 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7082 a SUBREG_BYTE of zero.
7084 2006-04-12 Richard Guenther <rguenther@suse.de>
7086 * profile.c (compute_branch_probabilities): Remove code
7087 encapsulated in !ir_type (), which are remanents of the
7088 removed RTL profiling code.
7089 * rtl-profile.c: Remove.
7091 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7093 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7094 magic NULL_RTX comment.
7095 (function_arg): Store entire fp arg to mem if any part should go
7097 (rs6000_arg_partial_bytes): Adjust for above change.
7099 2006-04-11 Roger Sayle <roger@eyesopen.com>
7101 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7102 if it hasn't been initialized by dwarf2out_init.
7104 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7106 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7107 symbolic constants in branch patterns.
7109 2006-04-11 Roger Sayle <roger@eyesopen.com>
7111 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7113 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7115 PR rtl-optimization/27073
7116 * gcse.c (try_replace_reg): Revert last change. Continue to search
7117 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7120 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7122 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7123 aggregate types other than record and union types.
7124 (function_arg): Likewise.
7125 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7127 (function_value): In 64-bit mode, return objects that require it
7130 2006-04-11 Roger Sayle <roger@eyesopen.com>
7132 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7134 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7136 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7138 2006-04-03 Jeff Law <law@redhat.com>
7141 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7142 alias information too.
7144 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7146 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7148 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7151 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7152 (premark_used_types_helper): New.
7153 (premark_used_types): New.
7154 (gen_subprogram_die): Call premark_used_types.
7155 (prune_unused_types_walk): Do not prune perennial dies.
7156 * function.c (used_types_insert): New.
7157 * function.h (struct function): Add used_types_hash field.
7158 (used_types_insert): Add prototype.
7159 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7160 * c-parser.c (c_parser_cast_expression): Save casted types in used
7163 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7166 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7167 rs6000_explicit_options.float_gprs.
7169 2006-04-10 Roger Sayle <roger@eyesopen.com>
7171 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7172 from ix86_expand_vector_init_low_nonzero. Take an additional
7173 one_var argument indicating which element is non-zero. Support
7174 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7175 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7176 with one_var instead of ix86_expand_vector_init_low_nonzero.
7178 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7180 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7181 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7182 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7183 build/genextract.o): Depend on vecprim.h.
7184 * cfglayout.c, df-problems.c, function.c, genextract.c,
7185 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7186 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7190 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7192 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7193 Declare VECs of this type.
7194 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7195 (remove_children): Delete.
7196 (add_dwarf_attr): Use VEC routines.
7197 (add_AT_flag): Update for changes to add_dwarf_attr.
7198 (add_AT_int): Likewise.
7199 (add_AT_unsigned): Likewise.
7200 (add_AT_long_long): Likewise.
7201 (add_AT_vec): Likewise.
7202 (add_AT_string): Likewise.
7203 (add_AT_die_ref): Likewise.
7204 (add_AT_fde_ref): Likewise.
7205 (add_AT_loc): Likewise.
7206 (add_AT_loc_list): Likewise.
7207 (add_AT_addr): Likewise.
7208 (add_AT_lbl_id): Likewise.
7209 (add_AT_lineptr): Likewise.
7210 (add_AT_macptr): Likewise.
7211 (add_AT_offset): Likewise.
7212 (add_AT_range_list): Likewise.
7213 (get_AT): Use VEC_iterate.
7214 (remove_AT): Use VEC_ordered_remove.
7215 (free_die): Fold remove_children into here; have it use VEC_iterate.
7216 (print_die): Use VEC_iterate on attrs.
7217 (reverse_die_lists): Don't reverse attr lists.
7218 (die_checksum): Use VEC_iterate on attrs.
7219 (same_die_p): Likewise.
7220 (output_location_lists): Likewise.
7221 (build_abbrev_table): Likewise.
7222 (size_of_die): Likewise.
7223 (unmark_all_dies): Likewise.
7224 (output_abbrev_section): Likewise.
7225 (output_die): Likewise.
7226 (prune_unused_types_walk_attribs): Likewise.
7228 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7230 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7232 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7235 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7237 2006-04-09 Roger Sayle <roger@eyesopen.com>
7239 * expr.c (store_constructor): Don't bother clearing target if
7240 we're about to assign a vector to it using vec_init_optab.
7242 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7244 * tree-ssa-alias.c (lhs_may_store_to): New function.
7245 (recalculate_used_alone): Handle LHS of calls.
7247 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7251 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7252 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7253 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7254 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7255 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7256 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7257 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7258 stubs. Add ".align 8" directives before all ".dword" directives.
7259 (GTHREAD_USE_WEAK): Revise comment.
7260 (TARGET_ATTRIBUTE_WEAK): Define.
7261 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7262 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7263 * stublib.c: New file.
7268 * pa.md (cbranch patterns): Revise arguments used in calls to
7269 output_cbranch, output_bb and output_bvd. Add long branch length
7271 (fbranch patterns): Handle long branches.
7272 (jump): Revise length check. Revise arguments for output_lbranch call.
7273 Add long branch length attributes.
7274 (decrement_and_branch_until_zero): Add long branch length attributes.
7275 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7276 Likewise. Revise arguments for output_parallel_addb and
7277 output_parallel_movb calls.
7278 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7279 output_parallel_movb and output_parallel_addb): Update prototypes.
7280 * pa.c (output_cbranch): Revise arguments. Correct handling of
7281 nullification in long branches.
7282 (output_lbranch): Add new argument to control extraction of delay
7284 (output_bb): Handle long branches.
7285 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7286 output_parallel_addb): Likewise.
7288 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7290 PR rtl-optimization/27073
7291 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7294 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7296 * tree.h (tree_memory_tag): Add old_used_alone.
7297 (SMT_OLD_USED_ALONE): New macro.
7298 * tree-ssa-alias.c (recalculate_used_alone): Stop
7299 marking things for renaming unnecessarily.
7301 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7303 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7304 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7305 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7306 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7307 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7308 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7309 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7310 spelling convensions.
7311 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7312 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7313 typos. Follow spelling conventions.
7315 2006-04-07 DJ Delorie <dj@redhat.com>
7317 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7318 passed on the stack.
7319 (m32c_init_cumulative_args): When a function returns a structure,
7320 always pass the pointer to that return area on the stack.
7321 (m32c_function_arg_advance): Don't increment the parameter number
7322 if we're processing the returned structure pointer.
7323 (pushm_info): Reverse order of registers.
7325 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7327 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7328 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7329 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7330 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7332 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7333 chrec_fold_multiply): Same.
7334 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7335 force_expr_to_var_cost): Same.
7336 * tree-mudflap.c (mf_xform_derefs_1): Same.
7337 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7339 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7341 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7342 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7345 2006-04-07 Jan Hubicka <jh@suse.cz>
7347 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7349 2006-04-07 Richard Guenther <rguenther@suse.de>
7351 PR tree-optimization/26135
7352 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7353 loads for store copy-prop.
7354 (copy_prop_visit_stmt): Likewise.
7356 2006-04-05 Robert Millan <robertmh@gnu.org>
7358 * config/i386/linux.h: Add a comment to mark macros that are
7359 being overriden in config/k*bsd-gnu.h.
7360 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7362 * config/knetbsd-gnu.h: Ditto.
7364 2006-04-06 Jan Hubicka <jh@suse.cz>
7368 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7371 2006-04-06 Mike Stump <mrs@apple.com>
7373 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7374 for HAVE_nonlocal_goto to be consistent.
7375 (expand_builtin_nonlocal_goto): Likewise.
7376 (expand_builtin_strcmp): Use #ifdef instead of #if
7377 for HAVE_cmpstrnsi to be consistent.
7379 2006-04-05 DJ Delorie <dj@redhat.com>
7381 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7384 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7386 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7387 got-relative addressing for anything but SImode.
7389 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7390 even if the calling function doesn't modify them.
7392 2006-04-05 Richard Guenther <rguenther@suse.de>
7394 PR tree-optimization/26919
7395 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7396 to cgraph_estimate_size_after_inlining.
7398 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7400 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7402 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7404 PR tree-optimization/26996
7405 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7406 VECTOR_TYPE variables.
7408 2006-04-05 Richard Guenther <rguenther@suse.de>
7410 PR tree-optimization/26763
7411 * fold-const.c (fold_comparison): Move folding of
7412 PTR + CST CMP PTR + CST ...
7413 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7415 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7417 * doc/install.texi (Prerequisites): Refine some wording on
7418 bootstrapping and ksh.
7419 Move the version numbers of DejaGnu here from the testing section
7420 and fix casing of names.
7421 Fix markup and clarify wording for autogen requirements.
7422 Refer to GCJ instead of just java.
7423 Refer to SVN instead of CVS.
7424 Describe diffutils as useful instead of necessary.
7425 (Downloading the source): Refer to SVN instead of CVS.
7426 Adjust a link to our web site accordingly.
7427 (Configuration): Fix casing of Bison.
7428 (Building): Refer to SVN instead of CVS.
7429 Fix a sentence on the use of Bison and remove duplicate (and
7430 incorrect) version number of Bison requirement.
7431 Remove one redundant list of packages needed for building.
7432 (Specific): Avoid reference to CVS.
7434 2006-04-04 Eric Christopher <echristo@apple.com>
7436 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7437 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7438 (rs6000_handle_struct_attribute): New.
7439 (rs6000_ms_bitfield_layout_p): Ditto.
7441 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7443 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7444 NULL for dso parameter to atexit_common.
7446 2006-04-04 Eric Christopher <echristo@apple.com>
7448 * config/i386/i386.c (machopic_output_stub): Output \t
7449 between instructions and operands.
7451 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7453 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7454 satisfies_constraint_[IL] to explicit tests on value.
7456 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7458 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7459 set_nb_iterations_in_loop): Use build_int_cst instead of
7461 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7462 build_int_cst instead of convert.
7464 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7466 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7467 new value 2 for incoming.
7468 * function.c (expand_function_start): Call struct_value_rtx
7470 * config/sparc/sparc.md: Comment updated_return.
7471 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7472 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7473 struct return if sparc_std_struct_return and incoming is 2.
7474 (print_operand): Do not adjust return if
7475 sparc_std_struct_return.
7477 2006-04-04 Roger Sayle <roger@eyesopen.com>
7479 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7480 convert in the middle-end.
7481 * expr.c (store_expr, store_constructor, get_inner_reference,
7482 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7484 * tree.c (build_range_type): Likewise.
7486 2006-04-04 Tom Tromey <tromey@redhat.com>
7488 * doc/install.texi (Prerequisites): Mention jar.
7490 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7492 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7495 2006-04-04 Matthias Klose <doko@debian.org>
7497 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7501 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7504 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7506 * doc/extend.texi (Function Attributes): Rewrite visibility
7507 attribute documentation.
7508 * doc/invoke.texi (C++ Dialect Options): Rewrite
7509 -fvisibility-inlines-hidden documentation to describe something
7510 entirely different, although in practise compatible.
7511 (Code Gen Options): Warn about system headers in -fvisibility=
7514 * doc/extend.texi (Other Builtins): Document that
7515 __builtin_nan is a compile-time constant only when its argument
7518 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7520 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7521 trying to remove TRUNCATE check if all bits outside the new mode
7522 are identical to the sign bit.
7524 2006-04-03 Jeff Law <law@redhat.com>
7526 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7527 and operand scanning in some common cases.
7529 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7530 Dale Johannesen <dalej@apple.com>
7533 * regclass.c (struct reg_pref): Update documentation.
7534 (regclass): Set prefclass to NO_REGS if memory is the best option.
7535 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7536 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7537 into account. For non-registers, equate an empty preferred
7538 reload class to a `!' in the constraint; move the if clause to
7539 do so after those that reject the insn.
7540 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7542 (find_dummy_reload): Likewise.
7543 * doc/tm.texi (Register Classes): Document what it means
7544 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7545 * config/i386/i386.c (ix86_preferred_reload_class): Force
7546 using SSE registers (and return NO_REGS for floating-point
7547 constants) if math is done with SSE.
7548 (ix86_preferred_output_reload_class): New.
7549 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7550 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7551 * config/i386/i386.md: Remove # register preferences.
7553 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7556 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7557 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7558 the type of nb_iter.
7559 (instantiate_parameters_1): Convert the operands before calling
7560 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7561 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7563 2006-04-02 Roger Sayle <roger@eyesopen.com>
7565 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7566 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7568 * dojump.c (do_jump): Likewise.
7569 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7570 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7571 gimplify_boolean_expr): Likewise.
7572 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7573 * varasm.c (array_size_for_constructor): Likewise.
7574 * tree-object-size.c (compute_object_offset): Likewise.
7576 2006-04-02 Roger Sayle <roger@eyesopen.com>
7579 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7580 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7582 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7584 PR tree-optimization/26939
7585 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7587 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7589 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7590 at_stmt. Convert the type of operands before calling
7591 build_polynomial_chrec.
7592 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7594 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7595 (instantiate_parameters_1): Convert the type of operands before calling
7596 build_polynomial_chrec.
7597 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7598 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7599 reset_evolution_in_loop): Insert asserts to check the types of the
7601 (chrec_type): Moved...
7602 (eq_evolutions_p): Use operand_equal_p.
7603 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7604 the types of the operands.
7605 (chrec_type): ...here.
7606 * tree-data-ref.c (create_data_ref): Convert the operands before
7607 calling chrec_replace_initial_condition.
7608 (same_access_functions, analyze_subscript_affine_affine,
7609 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7610 (compute_subscript_distance, analyze_ziv_subscript,
7611 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7612 analyze_miv_subscript): Convert the operands before calling
7613 chrec_fold_minus or chrec_fold_plus.
7615 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7617 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7618 the dependence_relations vector.
7619 (compute_data_dependences_for_loop): Adjust call to
7620 compute_all_dependences.
7622 2006-04-01 Roger Sayle <roger@eyesopen.com>
7623 Richard Henderson <rth@redhat.com>
7625 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7626 gimple_boolify on the condition before calling gimplify_expr.
7628 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7630 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7631 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7632 the frame size. Update to use the new macros.
7633 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7634 * config/xtensa/ieee754-df.S: Likewise.
7636 2006-03-31 Richard Henderson <rth@redhat.com>
7638 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7639 (make_edges): ... here. Control fallthru creation with a local
7640 variable. Do not play with fake edges.
7641 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7642 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7645 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7647 * dwarf2.h (DW64_CIE_ID): Define.
7648 * dwarf2out.c (DWARF_CIE_ID): Define.
7649 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7650 length header. Use DWARF_CIE_ID.
7651 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7652 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7654 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7656 * config/sh/linux-atomic.asm: New file.
7657 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7659 2006-03-31 DJ Delorie <dj@redhat.com>
7661 * config/m32c/cond.md: Set condition flags properly throughout.
7662 * config/m32c/minmax.md: Likewise.
7663 * config/m32c/prologue.md: Likewise.
7664 * config/m32c/bitops.md: Likewise.
7665 * config/m32c/muldiv.md: Likewise.
7666 * config/m32c/mov.md: Likewise.
7667 * config/m32c/addsub.md: Likewise.
7668 * config/m32c/m32c.md: Likewise.
7669 * config/m32c/jump.md: Likewise.
7670 * config/m32c/shift.md: Likewise.
7672 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7673 conditionally output the pattern for this.
7674 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7675 (m32c_compare_redundant): New.
7676 (m32c_output_compare): New.
7677 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7679 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7680 dest, not src. Allow other 4-byte modes.
7682 2006-03-30 Denis Chertykov <denisc@overta.ru>
7684 * doc/md.texi: Refer to avr/constraints.md instead of
7687 2006-03-30 Roger Sayle <roger@eyesopen.com>
7689 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7690 signed vs. unsigned comparison failures on some hosts.
7692 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7695 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7696 change to FLOAT_REGS.
7698 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7699 (rs6000_override_options): Use it.
7700 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7701 only for -mabi=spe/no-spe and -mabi=altivec.
7703 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7705 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7708 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7710 * Makefile.in: Rename docdir to gcc_docdir.
7712 2006-03-30 Roger Sayle <roger@eyesopen.com>
7715 * expr.c (emit_group_store): Optimize group stores into a pseudo
7716 register by using a paradoxical subreg to initialize the destination
7717 if the first or last member of the group specifies a "low part".
7719 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7722 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7723 * target.h (struct gcc_target.speculate_insn): Change type of the
7724 second parameter to 'int'.
7725 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7726 the second operand of the DEPS_LIST.
7727 (copy_DEPS_LIST_list): Update reference to the second operand of the
7729 * rtl.h (alloc_DEPS_LIST): Update signature.
7730 * sched-int.h (ds_t): Change typedef to 'int'.
7731 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7733 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7735 * haifa-sched.c (try_ready): Change condition to restore
7736 non-speculative pattern of the instruction.
7737 (process_insn_depend_be_in_spec): Code to keep probability of the
7738 speculative dependence non-decreasing.
7740 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7742 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7743 (single_move_for_movmem): ... this. Also change all uses.
7744 (bfin_expand_strmov): Renamed to...
7745 (bfin_expand_movmem): ... this. Also change all uses.
7746 * config/bfin/bfin.md (movstrsi): Renamed to...
7747 (movstrsi): ...this.
7749 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7751 PR tree-optimization/26830
7753 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7754 (copy_prop_visit_stmt): Remove write-only variable ann.
7755 (init_copy_prop): Check variable loop depth here. Do not simulate
7756 memory-tag and virtual operand PHIs except for store copy prop.
7758 2006-03-30 Richard Guenther <rguenther@suse.de>
7760 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7761 variants with double arguments.
7763 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7765 * genpreds.c (write_tm_constrs_h): Delete variable p.
7766 * genconditions.c (write_header): Add tm-constrs.h to included
7768 * genpeep.c (main): Add toplev.h to included headers.
7769 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7770 (build/genpeep.o): Add toplev.h dependency.
7771 * config/rs6000/constraints.md: Add "W" constraint.
7773 2006-03-29 Roger Sayle <roger@eyesopen.com>
7775 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7776 sizes by correctly testing whether the size fits a host integer.
7777 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7778 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7779 SImode range for the default sizetype and bitsizetype.
7781 2006-03-29 Roger Sayle <roger@eyesopen.com>
7783 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7784 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7785 quickly if the argument is already of the correct type.
7786 Call fold_build1 instead of build1. Tidy up blank lines.
7788 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7790 * genemit.c (main): Add tm-constrs.h to included headers.
7791 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7792 * genpeep.c (main): Add tm-constrs.h to included headers.
7793 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7794 (write_tm_constrs_h): this and write complete file.
7795 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7796 (write_insn_preds_c): Add tm-constrs.h to included headers.
7797 (gen_constrs): New variable.
7798 (parse_option): Parse "-c".
7799 (main): Invoke write_tm_constrs_h.
7800 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7801 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7802 (object_out_file): Add tm-constrs.h dependency.
7803 (insn-emit.o): Same.
7804 (insn-output.o): Same.
7805 (insn-peep.o): Same.
7806 (insn-preds.o): Same.
7807 (insn-recog.o): Same.
7808 (tm-constsr.h): New target.
7809 (s-constrs-h): New target.
7811 * config/rs6000/constraints.md: New file.
7812 * config/rs6000/rs6000.c: Include tm-constrs.h.
7813 (num_insn_constant_wide): Convert to satisfies_constraint.
7814 (rs6000_rtx_costs): Convert to satisfies_constraint.
7815 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7816 (CONST_OK_FOR_LETTER_P): Delete.
7817 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7818 (EXTRA_CONSTRAINT): Delete.
7819 (EXTRA_MEMORY_CONSTRAINT): Delete.
7820 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7821 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7822 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7823 satisfies_constraint.
7825 * config/i386/i386.c: Include tm-constrs.h.
7827 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7829 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7830 * tree-data-ref.c (find_data_references_in_loop,
7831 compute_data_dependences_for_loop): Use pointers to VEC.
7832 (analyze_all_data_dependences): Adjust calls.
7833 * tree-data-ref.h (find_data_references_in_loop,
7834 compute_data_dependences_for_loop): Adjust declarations.
7835 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7836 compute_data_dependences_for_loop.
7838 2006-03-29 Paul Brook <paul@codesourcery.com>
7840 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7843 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7845 PR tree-optimization/26859
7846 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7848 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7849 for the step after fold_convert.
7851 2006-03-29 Paul Brook <paul@codesourcery.com>
7853 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7854 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7856 2006-03-29 Paul Brook <paul@codesourcery.com>
7859 * targhooks.c (default_narrow_bitfield): New fuction.
7860 * targhooks.h (default_narrow_bitfield): add prototype.
7861 * target.h (gcc_target): Add narrow_volatile_bitfield.
7862 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7863 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7864 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7865 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7867 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7869 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7871 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7872 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7873 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7874 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7875 (s390_function_arg_float): Allow SDmode and DDmode values to be
7876 passed in floating point registers.
7877 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7878 check with SCALAR_FLOAT_MODE_P.
7879 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7881 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7883 PR tree-optimization/25985
7884 * tree-ssa-loop-niter.c (number_of_iterations_le,
7885 number_of_iterations_ne): Make comments more precise.
7886 (number_of_iterations_cond): Add only_exit argument. Use the
7887 fact that signed variables do not overflow only when only_exit
7889 (loop_only_exit_p): New.
7890 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7891 number_of_iterations_cond.
7893 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7895 PR tree-optimization/26643
7896 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7899 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7901 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7902 (divsi3_i4_int): Likewise.
7904 2006-03-28 Roger Sayle <roger@eyesopen.com>
7906 * expr.c (emit_group_store): Only create a new pseudo reg if the
7907 quantity it needs to hold isn't already a suitable pseudo.
7909 2006-03-28 Jeff Law <law@redhat.com>
7911 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7912 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7914 2006-03-28 Roger Sayle <roger@eyesopen.com>
7916 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7917 the equivalent ~X & Y, and the symmetry related transformations.
7918 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7919 ~X & Y, and symmetry related transforms.
7921 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7923 Revert my 2006-03-27 patches.
7925 2006-03-28 Roger Sayle <roger@eyesopen.com>
7927 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7928 ~(T1)X, when T1 and T2 are integer types of the same precision
7929 and (T2)X isn't an extension.
7931 2006-03-28 Jeff Law <law@redhat.com>
7933 PR tree-optimization/26796
7934 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7935 need EH edge cleanups rather than purging them immediately.
7936 (eliminate_degenerate_phis): Handle queued EH cleanups.
7938 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7940 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7943 2006-03-27 Roger Sayle <roger@eyesopen.com>
7946 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7947 cast BIT_NOT_EXPR operand to the correct type.
7949 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7951 * tree-loop-linear.c: Don't include varray.h.
7952 (gather_interchange_stats, try_interchange_loops,
7953 linear_transform_loops): Use VEC instead of VARRAY.
7954 * lambda-mat.c: Don't include varray.h.
7955 * tree-chrec.c: Same.
7956 * lambda-trans.c: Same.
7957 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7958 VEC instead of VARRAY.
7959 * tree-vectorizer.h: Idem.
7960 * tree-data-ref.c (dump_data_references,
7961 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7962 initialize_data_dependence_relation, finalize_ddr_dependent,
7963 compute_all_dependences, find_data_references_in_loop,
7964 compute_data_dependences_for_loop, analyze_all_data_dependences,
7965 free_dependence_relation, free_dependence_relations,
7966 free_data_refs): Idem.
7967 * tree-data-ref.h (data_reference_p, subscript_p): New.
7968 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7969 VEC instead of VARRAY.
7970 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7971 (find_data_references_in_loop, compute_data_dependences_for_loop,
7972 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7973 dump_data_dependence_relations, free_dependence_relations,
7974 free_data_refs): Adjust declaration.
7975 (lambda_transform_legal_p): Move declaration here...
7976 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7977 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7978 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7979 vect_analyze_data_refs): Use VEC instead of VARRAY.
7980 * lambda.h (lambda_transform_legal_p): ...from here.
7981 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7982 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7983 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7984 tree-chrec.o): Don't depend on VARRAY_H.
7986 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7988 * rtl.def (Copyright): Update date.
7989 (DEPS_LIST): Change type of the second operand to 'int'.
7990 * target.h (Copyright): Update date.
7991 (struct gcc_target.speculate_insn): Change type of the second parameter
7993 * lists.c (Copyright): Update date.
7994 (alloc_DEPS_LIST): Change signature. Update reference to the second
7995 operand of the DEPS_LIST.
7996 (copy_DEPS_LIST_list): Update reference to the second operand of the
7998 * rtl.h (Copyright): Update date.
7999 (alloc_DEPS_LIST): Update signature.
8000 * sched-int.h (Copyright): Update date.
8001 (ds_t): Change typedef to 'int'.
8002 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8004 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8006 * haifa-sched.c (Copyright): Update date.
8007 (try_ready): Change condition to restore non-speculative pattern
8009 (process_insn_depend_be_in_spec): Code to keep probability of the
8010 speculative dependence non-decreasing.
8012 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8014 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8015 shut up the compiler.
8017 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8019 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8020 to use lib prefix for target.
8021 ($(T)libic_invalidate_array_4-200.a): Likewise.
8022 ($(T)libic_invalidate_array_4a.a): Likewise.
8024 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8025 J"orn Rennecke <joern.rennecke@st.com>
8027 * superh.opt: New file.
8028 * sh.c (boardtype, osruntime): Remove.
8029 * superh.h (SUBTARGET_OPTIONS): Remove.
8030 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8032 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8033 arguments with ^ and/or [].
8035 * config.gcc (sh-*-*): Add quoting to account for quirk of
8037 Replace == with = in enable_incomplete_targets test.
8039 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8040 with MASK_LITTLE_ENDIAN.
8042 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8043 * config/sh/sh.opt: Added to some comments.
8044 * config/sh/superh.h: Removed some chaff.
8046 * config/sh/sh.opt: Add m4-[1234]00* options.
8047 * config/sh/sh.c (sh_handle_option): Likewise.
8048 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8049 (ic_invalidate_array_4-100.o): New rule.
8050 ($(T)libic_invalidate_array_4-100.a): Likewise.
8051 (ic_invalidate_array_4-200.o): Likewise.
8052 ($(T)libic_invalidate_array_4-200.a): Likewise.
8053 (ic_invalidate_array_4a.o): Likewise.
8054 ($(T)libic_invalidate_array_4a.a): Likewise.
8055 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8056 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8058 * config/sh/crt1.asm: Merged in profiling code.
8059 * config/sh/superh.h (STARTFILE_SPEC): Override.
8060 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8061 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8062 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8064 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8065 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8066 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8068 * sh.opt (mpretend-cmove): New option.
8069 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8070 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8071 (movsicc): Add TARGET_PRETEND_CMOVE code.
8073 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8075 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8076 s390_class_max_nregs): New function prototypes.
8077 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8078 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8079 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8080 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8082 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8084 * dwarf2out.c (add_location_or_const_value_attribute): Call
8085 tree_add_const_value_attribute if nothing else works.
8086 (reference_to_unused): New.
8087 (rtl_for_decl_init): Use reference_to_unused to decide whether
8088 to output an initializer.
8090 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8093 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8094 peephole removing spe frob_di_df_2.
8096 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8098 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8099 (subscript_dependence_tester_1): Declared.
8100 (print_dir_vectors, print_dist_vectors): New.
8101 (debug_data_dependence_relation): New.
8102 (dump_data_dependence_relation): Print more details.
8103 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8104 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8105 (save_dist_v, save_dir_v, add_outer_distances,
8106 build_classic_dist_vector_1): New.
8107 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8108 Don't test for lambda_vector_lexico_pos.
8109 (same_access_functions, add_multivariate_self_dist,
8110 add_other_self_distances, dir_from_dist): New.
8111 (build_classic_dir_vector): Replace implementation almost identical to
8112 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8114 (subscript_dependence_tester_1): New.
8115 (subscript_dependence_tester): Handle the lexicographically negative
8116 distance vectors by recomputing the dependence relation.
8117 (compute_affine_dependence): Remove parameter loop_nest_depth.
8118 (compute_self_dependence): Don't call compute_subscript_distance.
8119 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8120 Add a parameter for the loop_nest.
8121 (find_loop_nest_1, find_loop_nest): New.
8122 (compute_data_dependences_for_loop): Compute the loop nest, and give
8123 up if the nest is not well formed.
8124 * tree-data-ref.h (loop_p): New.
8125 (struct data_dependence_relation): Replace size_vect field with
8126 loop_nest, a vec of loops.
8127 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8128 (DDR_LOOP_NEST): New.
8129 (print_dir_vectors, print_dist_vectors,
8130 debug_data_dependence_relation): Declared.
8131 (index_in_loop_nest): New.
8132 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8133 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8136 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8138 * simplify-rtx.c (simplify_relational_operation): Call
8139 simplify_relational_operation_1 even if mode is VOIDmode.
8141 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8143 PR tree-optimization/26804
8144 * tree.h (DECL_CALL_CLOBBERED): New macro.
8145 (tree_decl_common): Add call_clobbered_flag.
8146 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8147 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8148 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8149 (mark_non_addressable): Ditto.
8150 * tree-ssa.c (verify_call_clobbered): New function.
8151 (verify_alias_info): Use it.
8152 * tree-pass.h (pass_reset_cc_flags): New prototype.
8153 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8154 (reset_cc_flags): New function.
8155 * passes.c (init_optimization_passes): Call reset_cc_flags after
8156 initializing referenced_vars.
8158 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8159 Roger Sayle <roger@eyesopen.com>
8162 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8163 to 1.0 for non-real operands. Implement A / A optimization for
8166 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8168 * config/i386/i386.c (size_cost): Correct the comment for
8169 cost of storing fp registers.
8170 (i386_cost): Likewise.
8171 (i486_cost): Likewise.
8172 (pentium_cost): Likewise.
8173 (pentiumpro_cost): Likewise.
8174 (k6_cost): Likewise.
8175 (athlon_cost): Likewise.
8176 (k8_cost): Likewise.
8177 (pentium4_cost): Likewise.
8178 (nocona_cost): Likewise.
8179 (generic64_cost): Likewise.
8180 (generic32_cost): Likewise.
8182 2006-03-24 Denis Chertykov <denisc@overta.ru>
8184 * config/avr/avr-protos.h (extra_constraint): Delete.
8185 (extra_constraint_Q): New declaration.
8186 * config/avr/constraints.md: New file.
8187 * config/avr/avr.md: Include it.
8188 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8189 (TMP_REGNO, ZERO_REGNO): Likewise.
8190 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8191 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8192 (extra_constraint): Delete.
8193 (extra_constraint_Q): Test for memory constraint 'Q'.
8194 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8195 (REG_CLASS_FROM_LETTER): Delete.
8196 (CONST_OK_FOR_LETTER_P): Delete.
8197 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8198 (EXTRA_CONSTRAINT): Delete.
8199 (TMP_REGNO): Delete.
8200 (ZERO_REGNO): Delete.
8202 2006-03-24 Jeff Law <law@redhat.com>
8204 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8205 directly. Call mark_new_vars_to_rename slightly earlier.
8207 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8209 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8211 (gen_compile_unit_die): Use new language types for Objective-C and
8213 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8214 DW_LANG_C_plus_plus.
8217 * config/t-darwin (crt3.o): Work around bug 26840.
8218 * config/darwin-crt3.c: Rewrite.
8219 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8221 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8223 * doc/invoke.texi: Document -femit-class-debug-always
8224 * common.opt: Add -femit-class-debug-always.
8226 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8228 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8229 index and base register.
8230 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8231 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8232 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8233 REGNO_OK_FOR_INDEX_P.
8234 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8236 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8237 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8238 REG_OK_FOR_BASE_P): Definitions removed.
8240 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8243 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8244 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8245 set yet or weren't marked as local yet.
8247 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8249 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8252 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8254 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8255 (rs6000_legitimate_small_data_p): Delete.
8256 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8257 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8258 and make static. Add forward declaration. Update uses.
8259 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8260 of offsettable_memref_p.
8261 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8262 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8264 2006-03-24 Jeff Law <law@redhat.com>
8266 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8267 around bug in immediate-use iterator.
8269 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8272 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8273 or __LITTLE_ENDIAN__.
8275 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8277 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8278 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8279 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8280 * config/sh/sh.opt (mdiv=): Amend description.
8281 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8282 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8283 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8284 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8285 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8286 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8287 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8288 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8289 TARGET_DIVIDE_CALL_FP.
8291 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8293 * haifa-sched.c (choose_ready): Fix type of the local variable.
8294 Move local variables. Add comment.
8295 (check_reg_live): Change signature. Make callable from debugger.
8296 * sched-int.h (check_reg_live): Update signature.
8297 * sched-ebb.c (check_reg_live): Update parameters.
8298 * sched-rgn.c (check_reg_live): Ditto.
8299 (region_head_or_leaf_p): Check pointer before dereferencing.
8300 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8301 before reload on optimization levels below 1.
8303 2006-03-23 Richard Henderson <rth@redhat.com>
8305 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8309 * config/alpha/predicates.md (local_symbolic_operand): Reject
8312 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8315 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8316 expressions which have overflowed constants.
8318 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8320 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8322 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8324 * cfgloopmanip.c (create_loop_notes): Removed.
8325 * final.c (final_scan_insn): Do not handle loop notes.
8326 * jump.c (squeeze_notes): Ditto.
8327 * cfglayout.c (skip_insns_after_block,
8328 duplicate_insn_chain): Ditto.
8329 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8331 * cfgloop.h (create_loop_notes): Declaration removed.
8333 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8335 * varasm.c (output_constant_pool): Restore fnname and fndecl
8337 (assemble_start_function): Adjust call accordingly.
8338 (assemble_end_function): Likewise.
8340 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8343 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8346 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8348 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8351 * system.h (ICE_EXIT_CODE): New macro.
8352 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8353 (diagnostic_action_after_output): Likewise.
8354 * gcc.c (fatal_ice): New function.
8355 (execute): Use it instead of fatal.
8356 (fancy_abort): Likewise.
8357 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8359 2006-03-22 Jeff Law <law@redhat.com>
8361 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8362 iv_analyze_result returning false.
8364 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8366 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8368 2006-03-22 Richard Henderson <rth@redhat.com>
8371 * except.c (duplicate_eh_regions_0): New.
8372 (duplicate_eh_region_1): Duplicate the children of the node as
8373 well as the node itself. Link them up properly.
8374 (duplicate_eh_region_2): Merge into ...
8375 (duplicate_eh_regions): ... here. Take copy_region argument, and
8376 copy only a sub-tree if asked. Simplify copying and fixup.
8377 (eh_region_outer_p): New.
8378 * except.h (duplicate_eh_regions): Update decl.
8379 (eh_region_outer_p): Declare.
8380 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8381 (lower_omp_master): Likewise.
8382 (lower_omp_ordered): Likewise.
8383 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8384 (move_stmt_r): Use it to remap labels. Handle recursion vs
8385 remap_decls_p properly.
8386 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8387 (find_outermost_region_in_block): New.
8388 (new_label_mapper): New.
8389 (move_sese_region_to_fn): Copy eh information to the new function
8391 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8393 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8396 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8398 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8399 into shared libraries.
8401 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8403 * doc/md.texi: Refer to i386/constraints.md instead of
8405 * config/i386/constraints.md: New file, extracted from...
8406 * config/i386/predicates.md: ...here.
8407 * config/i386/i386.md: Include constraints.md.
8409 2006-03-21 Jason Merrill <jason@redhat.com>
8411 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8414 * expr.c (init_block_move_fn): Force default visibility.
8415 (init_block_clear_fn): Likewise.
8416 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8417 * targhooks.c (default_external_stack_protect_fail): Likewise.
8419 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8421 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8422 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8423 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8424 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8425 (loadgp): Use mips_current_loadgp_style.
8426 (loadgp_noshared): New pattern.
8427 (sibcall_internal): Use MIPS_CALL.
8428 (sibcall_value_internal): Likewise.
8429 (sibcall_value_multiple_internal): Likewise.
8430 (call_internal): Likewise.
8431 (call_value_internal): Likewise.
8432 (call_value_multiple_internal): Likewise.
8433 (call_split): Use MIPS_CALL and add an 'S' constraint.
8434 (call_value_split): Likewise.
8435 (call_value_multiple_split): Likewise.
8436 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8437 (-mshared): New option.
8438 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8439 (mips_current_loadgp_style): Declare.
8440 * config/mips/mips.c (mips_classify_symbol): Avoid using
8441 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8442 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8443 TARGET_ABSOLUTE_ABICALLS.
8444 (override_options): Adjust comments. Improve the warning that is
8445 issued when -mabicalls and -G are used together.
8446 (mips_file_start): Remove comment.
8447 (mips_current_loadgp_style): New function.
8448 (mips_gnu_local_gp): New variable.
8449 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8451 (mips_output_function_prologue): Use mips_current_laodgp_style.
8452 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8453 the cprestore instruction.
8454 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8455 live for TARGET_ABSOLUTE_ABICALLS.
8456 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8457 (ASM_SPEC): Pass down -mshared and -mno-shared.
8458 (MIPS_CALL): New macro.
8459 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8461 * doc/invoke.texi (-mabicalls): Update documentation.
8462 (-mshared): Document.
8464 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8466 * config/ia64/unwind-hpux.c: New file.
8467 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8469 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8472 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8474 2006-03-21 Jeff Law <law@redhat.com>
8476 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8477 type conversions of a VR_VARYING source to a wider type.
8479 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8481 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8482 tm_file on Solaris 10 and later.
8483 (sparc64-*-solaris2*): Likewise.
8484 (sparc-*-solaris2*): Likewise.
8485 * config/sol26.h: Rename to config/sol2-6.h.
8486 * config/sol2-10.h: New file.
8488 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8491 * tree-ssa-pre.c (create_component_ref_by_pieces):
8494 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8497 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8498 return it immediately.
8500 2006-03-21 Michael Matz <matz@suse.de>
8502 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8504 (remove_arc, add_arc): Update num_out_arcs member.
8505 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8507 (cache_presence): New function.
8508 (compare_states_for_equiv): New function.
8509 (state_is_differed): Don't take number of outargs, adjust callers.
8510 Use new invariant for speeding up.
8511 (init_equiv_class): Create initial classes based on sorted
8513 (partition_equiv_class): Don't track out_arcs_num.
8514 (evaluate_equiv_classes): Call cache_presence on all states and
8517 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8519 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8520 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8521 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8522 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8524 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8525 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8526 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8527 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8528 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8530 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8531 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8532 (REGNO_REG_CLASS): ARGP is in PREGS.
8533 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8535 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8536 to deal with those addresses.
8537 * addresses.h: New file.
8538 * caller-save.c: Include "addresses.h".
8539 (init_caller_save): Use new base_reg_class function.
8540 * rtl-factoring.c: Include "addresses.h".
8541 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8542 * recog.c: Include "addresses.h".
8543 (preprocess_constraints): Use new base_reg_class function.
8544 * regrename.c: Include "addresses.h".
8545 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8546 functions. Keep track of a new var INDEX_CODE to compute valid
8548 (replace_oldest_value_addr): Likewise.
8549 (replace_oldest_value_mem): Use base_reg_class.
8550 * reload.c: Include "addresses.h".
8551 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8552 (find_reloads): Use new base_reg_class function.
8553 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8554 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8555 all callers and prototype changed.
8556 * reload1.c: Include "addresses.h".
8557 (maybe_fix_stack_asms): Use base_reg_class.
8558 * regclass.c: Include "addresses.h".
8559 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8560 (init_reg_autoinc): Use new base_reg_class function.
8561 (record_reg_classes): Likewise.
8562 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8563 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8564 Use new args to compute necessary class.
8566 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8567 regrename.o, rtl-factoring.o): Update dependencies.
8568 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8569 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8570 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8571 REG_OK_FOR_INDEX_P): Delete documentation.
8573 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8575 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8576 from V7 to V9 for Solaris 7 and above.
8578 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8580 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8581 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8582 argument pointers may not alias any other storage.
8583 * common.opt: Define option -fargument-noalias-anything.
8584 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8585 alias semantics is specified by flag_argument_noalias > 2.
8587 2006-03-20 Jeff Law <law@redhat.com>
8589 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8590 (pass_phi_only_cprop): Declare.
8591 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8593 * tree-ssa-dom.c (degenerate_phi_result): New function.
8594 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8595 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8596 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8597 (eliminate_degenerate_phis): Likewise.
8598 (pass_phi_only_cprop): New pass descriptor.
8599 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8600 support code. Callers updated.
8601 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8602 (store_copy_prop): Likewise.
8603 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8605 2006-03-20 Jason Merrill <jason@redhat.com>
8608 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8609 (push_visibility, pop_visibility): Likewise.
8610 * c-pragma.h: Declare them.
8612 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8614 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8616 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8617 parameter and use get_ebb_head_tail.
8618 (sh_md_init_global): Adjust uses of find_regmode_weight.
8620 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8622 * function.h (struct function) <x_tail_recursion_reentry>:
8623 Rename to x_stack_check_probe_note.
8624 (tail_recursion_reentry): Rename to stack_check_probe_note.
8625 * function.c: Replace tail_recursion_reentry with
8626 stack_check_probe_note everywhere.
8627 (expand_function_start): Only emit a note for
8628 stack_check_probe_note with -fstack-protect.
8629 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8631 * emit-rtl.c (remove_unnecessary_notes): Remove.
8632 (pass_remove_unnecessary_notes): Remove.
8633 * rtl.h (remove_unnecessary_notes): Remove prototype.
8634 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8635 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8636 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8638 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8641 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8642 (valid_in_set): Handle ARRAY_REF.
8643 Change "if min_variant or VH" to asserts.
8644 (create_component_ref_by_pieces): Handle ARRAY_REF.
8645 (create_expression_by_pieces): Likewise.
8646 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8648 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8650 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8651 is operand of switch, not str[0].
8653 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8655 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8656 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8658 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8660 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8661 end of insn_extra_address_constraint declaration.
8663 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8665 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8666 (no-sum-in-toc): Same.
8667 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8669 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8670 NO_FP_IN_TOC for -fPIC instead of mask.
8672 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8673 (BOOT_LDFLAGS): Delete.
8675 * config/rs6000/t-aix52: Same.
8677 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8678 (stmsi[345678]_power): New.
8680 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8682 * config/ia64/ia64.opt: Add empty line to end of file.
8684 2006-03-17 Richard Guenther <rguenther@suse.de>
8687 * builtins.c (get_pointer_alignment): For component style references
8688 adjust alignment to the component type alignment. Make sure
8689 to adjust alignment for component access of constants.
8691 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8693 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8696 2006-03-17 Paul Brook <paul@codesourcery.com>
8698 * doc/install.texi: Docuemnt --with-mode.
8699 * config.gcc: Add --with-mode for arm*-*-*.
8700 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8702 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8704 * sh.c (max_labelno_before_reorg): New variable.
8705 (sh_reorg): Initialize it.
8706 (find_barrier): Check max_labelno_before_reorg before using
8707 label_to_alignment. Take length of explicit alignment insns
8708 into account. When seeing a UNSPECV_CONST_END, return it.
8710 * sh.c (fixup_mova): Set mode of affected label to QImode.
8711 (untangle_mova): New function.
8712 (find_barrier): Use it. Check mode of label before decrementing
8714 (sh_reorg): Likewise.
8715 Set mode of all insns back to VOIDmode.
8717 * sh.c (MOVA_LABELREF): New macro.
8718 (mova_p, fixup_mova, sh_reorg): Use it.
8719 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8720 ADDR_DIFF_VEC matches mova.
8722 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8724 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8725 with ATTRIBUTE_UNUSED.
8727 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8729 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8730 pointer, instead of assuming it is possible to derive the
8731 correct args size from a call insn.
8733 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8735 * rtl.h (CONST_INT_P): Define.
8736 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8737 instead of GET_CODE(x) == CONST_INT.
8738 (vax_rtx_costs): Likewise.
8739 (vax_output_int_move): Likewise.
8740 (vax_output_int_add): Likewise.
8741 (legitimate_constant_address_p): Likewise.
8742 (index_term_p): Likewise.
8743 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8744 * config/vax/vax.md (and<mode>3): Likewise.
8745 (ashrsi3): Likewise.
8747 (movstricthi): Likewise.
8748 (movstrictqi): Likewise.
8749 (rotrsi3): Likewise.
8750 (five unnamed insns): Likewise.
8752 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8754 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8755 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8756 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8757 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8758 Pass to ASM_OUTPUT_DWARF_OFFSET.
8759 * dwarf2out.c (debug_frame_section): New.
8760 (output_call_frame_info): Use debug_frame_section. Pass it to
8761 dw2_asm_output_offset.
8762 (output_die): Pass appropriate section to dw2_asm_output_offset.
8763 (output_compilation_unit_header): Likewise.
8764 (output_pubnames): Likewise.
8765 (output_aranges): Likewise.
8766 (enum dw_val_class): Break dw_val_class_lbl_offset into
8767 dw_val_class_lineptr and dw_val_class_macptr.
8768 (add_AT_lbl_offset): Delete.
8769 (add_AT_lineptr): New.
8770 (add_AT_macptr): New.
8771 (AT_lbl): Expect a lineptr or macptr.
8772 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8773 (attr_checksum): Likewise.
8774 (same_dw_val_p): Likewise.
8775 (size_of_die): Likewise.
8776 (value_format): Likewise.
8777 (output_die): Likewise.
8778 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8780 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8781 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8782 * config/darwin-protos.h (darwin_file_start): New.
8783 (darwin_asm_output_dwarf_offset): New.
8784 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8785 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8787 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8788 if not EH section; simplify.
8789 (darwin_file_start): New.
8790 (darwin_asm_output_dwarf_offset): New.
8791 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8793 (DEBUG_INFO_SECTION): Likewise.
8794 (DEBUG_ABBREV_SECTION): Likewise.
8795 (DEBUG_ARANGES_SECTION): Likewise.
8796 (DEBUG_MACINFO_SECTION): Likewise.
8797 (DEBUG_LINE_SECTION): Likewise.
8798 (DEBUG_LOC_SECTION): Likewise.
8799 (DEBUG_PUBNAMES_SECTION): Likewise.
8800 (DEBUG_STR_SECTION): Likewise.
8801 (DEBUG_RANGES_SECTION): Likewise.
8802 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8803 (ASM_OUTPUT_DWARF_OFFSET): New.
8805 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8807 * config.gcc (tm_defines): Always add to previous value rather
8810 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8812 * config/mips/predicates.md (splittable_const_int_operand): New,
8813 split from move_operand.
8814 (splittable_symbolic_operand): New.
8815 (move_operand): Add commentary. Use splittable_const_int_operand.
8816 Inline mips_atomic_symbolic_constant_p.
8817 * config/mips/mips.md: Add combine splitters for handling moves
8818 of splittable_const_int_operands and splittable_symbolic_operands.
8819 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8820 (mips_split_symbol): Declare.
8821 (mips_move_integer): Declare.
8822 * config/mips/mips.c (mips_split_p): Make global.
8823 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8824 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8825 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8826 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8827 (mips_offset_within_object_p): Handle block symbols.
8828 (mips_atomic_symbolic_constant_p): Delete.
8829 (mips_cannot_force_const_mem): Return false for constants that
8830 mips_legitimize_move can handle.
8831 (mips_use_blocks_for_constant_p): New function.
8832 (mips_split_symbol): Make global.
8833 (mips_move_integer): Likewise. Add a temporary register argument.
8834 (mips_legitimize_const_move): Use splittable_const_int_operand and
8835 splittable_symbolic_operand.
8836 (mips_use_anchors_for_symbol_p): New function.
8837 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8838 (mips_split_p): Declare.
8840 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8842 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8843 (mips*-*-linux*): Likewise.
8845 2006-03-16 Roger Sayle <roger@eyesopen.com>
8846 Daniel Speyer <dspeyer@wam.umd.edu>
8849 * tree-dump.c (dump_real): New function.
8850 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8851 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8852 (tree-dump.o): Add $(REAL_H) to the dependencies.
8854 2006-03-16 Roger Sayle <roger@eyesopen.com>
8857 * real.c (real_from_string): If the mantissa is zero, don't bother
8858 parsing the exponent as the result should always be zero.
8860 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8862 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8864 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8866 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8867 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8868 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8869 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8870 ia64_sched_finish_global): New static functions to implement
8871 hooks from gcc_target.sched.
8872 (spec_check_no, max_uid, pending_data_specs): New static variables.
8873 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8874 ia64_spec_check_src_p): New static functions.
8875 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8876 (TARGET_SCHED_ADJUST_COST): Removed.
8877 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8878 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8879 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8880 TARGET_SCHED_GEN_CHECK,
8881 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8882 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8883 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8884 Fixed to handle speculation checks.
8885 (rtx_needs_barrier): Fixed to handle speculative loads and
8887 (ia64_variable_issue): Added code to count speculative loads and their
8889 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8891 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8893 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8895 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8896 (ia64_reorg): Reset stops_p to NULL after it is freed.
8897 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8898 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8899 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8901 (data_speculative, control_speculative, check_load): New attributes.
8902 (mov<mode>_advanced, mov<mode>_speculative,
8903 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8904 zero_extend<mode>di2_speculative,
8905 zero_extend<mode>di2_speculative_advanced): New patterns for
8906 data and control speculative loads.
8907 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8909 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8910 New pattern for data and control speculation checks.
8911 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8912 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8913 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8914 Auxiliary definitions for the patterns.
8915 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8916 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8918 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8920 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8921 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8922 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8923 New resource constraints.
8924 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8926 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8927 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8928 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8929 msched-in-control-spec, msched-ldc, msched-control-ldc,
8930 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8931 msched-prefer-non-control-spec-insns,
8932 msched-count-spec-in-critical-path): New flags to tune speculative
8934 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8935 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8936 msched-in-control-spec, msched-ldc, msched-control-ldc,
8937 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8938 msched-prefer-non-control-spec-insns,
8939 msched-count-spec-in-critical-path): Document new flags.
8941 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8943 * target.h (struct spec_info_def): New opaque declaration.
8944 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8945 speculate_insn, needs_block_p, gen_check,
8946 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8947 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8948 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8949 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8950 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8951 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8953 (TARGET_SCHED): Use new macros.
8954 * rtl.h (copy_DEPS_LIST_list): New prototype.
8955 * sched-int.h (struct sched_info): Change signature of new_ready field,
8956 adjust all initializations. New fields: add_remove_insn,
8957 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8958 region_head_or_leaf_p.
8959 (struct spec_info_def): New structure declaration.
8960 (spec_info_t): New typedef.
8961 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8962 recovery_block, orig_pat.
8963 (glat_start, glat_end): New variables declaraions.
8964 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8966 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8967 DETACH_LIFE_INFO, USE_GLAT.
8968 (enum SPEC_SCHED_FLAGS): New enumeration.
8969 (NOTE_NOTE_BB_P): New macro.
8970 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8971 attach_life_info, debug_spec_status, check_reg_live): New functions.
8972 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8973 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8975 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8976 * ddg.c (get_block_head_tail): Adjust all uses.
8977 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8978 (sms_sched_info): Initialize new fields.
8979 (contributes_to_priority): Removed.
8980 * haifa-sched.c (params.h): New include.
8981 (get_block_head_tail): Adjust all uses.
8982 (ISSUE_POINTS): New macro.
8983 (glat_start, glat_end): New global variables.
8984 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8985 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8986 old_last_basic_block, before_recovery, current_sched_info_var,
8987 rgn_n_insns, luid): New static variables.
8988 (insn_cost1): New function. Move logic from insn_cost to here.
8989 (find_insn_reg_weight1): New function. Move logic from
8990 find_insn_reg_weight to here.
8991 (reemit_notes, move_insn, max_issue): Change signature.
8992 (move_insn1): Removed.
8993 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8994 extend_bb): New static functions to support extension of scheduler's
8996 (generate_recovery_code, process_insn_depend_be_in_spec,
8997 begin_speculative_block, add_to_speculative_block,
8998 init_before_recovery, create_recovery_block, create_check_block_twin,
8999 fix_recovery_deps): New static functions to support
9000 generation of recovery code.
9001 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9002 restore_bb_notes, move_block_after_check, move_succs): New static
9003 functions to support ebb scheduling.
9004 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9005 functions to support handling of register live information.
9006 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9007 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9008 add_jump_dependencies): New static functions.
9009 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9010 consistancy checking.
9011 (debug_spec_status): New function to call from debugger.
9012 (priority): Added code to handle speculation checks.
9013 (rank_for_schedule): Added code to distinguish speculative instructions.
9014 (schedule_insn): Added code to handle speculation checks.
9015 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9016 Fixed to handle ebbs.
9017 (move_insn): Added code to handle ebb scheduling.
9018 (max_issue): Added code to use ISSUE_POINTS of instructions.
9019 (choose_ready): Added code to choose between speculative and
9020 non-speculative instructions.
9021 (schedule_block): Added code to handle ebb scheduling and scheduling of
9022 speculative instructions.
9023 (sched_init): Initialize new variables.
9024 (sched_finish): Free new variables. Print statistics.
9025 (try_ready): Added code to handle speculative instructions.
9026 * lists.c (copy_DEPS_LIST_list): New function.
9027 * sched-deps.c (extend_dependency_caches): New function. Move logic
9028 from create_dependency_caches to here.
9029 (get_dep_weak, ds_merge): Make global.
9030 * genattr.c (main): Code to output prototype for
9031 dfa_clear_single_insn_cache.
9032 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9033 (output_dfa_clean_insn_cache_func): Code to output
9034 dfa_clear_single_insn_cache function.
9035 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9037 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9039 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9040 New static variables.
9041 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9042 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9044 (ebb_sched_info): Initialize new fields.
9045 (get_block_head_tail): Adjust all uses.
9046 (compute_jump_reg_dependencies): Fixed to use glat_start.
9047 (schedule_ebb): Code to remove unreachable last block.
9048 (schedule_ebbs): Added code to update register live information.
9049 * sched-rgn.c (region_sched_info): Initialize new fields.
9050 (get_block_head_tail): Adjust all uses.
9051 (last_was_jump): Removed. Adjust users.
9052 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9053 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9054 Implement new hooks.
9055 (check_dead_notes1): New static function.
9056 (struct region): New fields: dont_calc_deps, has_real_ebb.
9057 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9058 (BB_TO_BLOCK): Fixed to handle EBBs.
9059 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9060 (ebb_head): New static variable.
9061 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9062 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9064 (compute_dom_prob_ps): New assertion.
9065 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9066 global_live_at_start.
9067 (init_ready_list): New assertions.
9068 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9069 (new_ready): Add support for BEGIN_CONTROL speculation.
9070 (schedule_insns): Fixed code that updates register live information
9072 (schedule_region): Fixed to handle EBBs.
9073 (init_regions): Use extend_regions and check_dead_notes1.
9074 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9075 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9076 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9077 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9078 TARGET_SCHED_GEN_CHECK,
9079 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9080 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9081 * doc/invoke.texi (max-sched-insn-conflict-delay,
9082 sched-spec-prob-cutoff): Document.
9084 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9086 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9087 inter_tick, queue_index.
9088 (struct sched_info): Change signature of init_ready_list field.
9089 Adjust all initializations.
9090 (RESOLVED_DEPS): New access macro.
9091 (ready_add): Remove prototype.
9092 (try_ready): Add prototype.
9093 * sched-rgn.c (init_ready_list): Use try_ready.
9094 (schedule_region): Initialize
9095 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9096 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9097 (init_ready_list): Use try_ready.
9098 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9099 * lists.c (remove_list_elem): Remove `static'.
9100 (remove_free_INSN_LIST_elem): New function.
9101 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9102 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9103 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9105 (readyp): New variable.
9106 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9107 change_queue_index, resolve_dep): New static functions.
9108 (try_ready): New function. Adjust callers in sched-rgn.c and
9109 sched-ebb.c to use it instead of ready_add.
9110 (clock_var): Move at the begining of file.
9111 (rank_for_schedule): Fix typo.
9112 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9113 (ready_lastpos): Enforce assertion.
9114 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9116 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9117 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9118 (queue_to_ready): Use free_INSN_LIST_list.
9119 (early_queue_to_ready): Fix typo.
9120 (schedule_block): Init readyp. Move init_ready_list call after the
9121 initialization of clock_var. Fix error in rejecting insn by
9122 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9123 that previously corrected INSN_TICKs. Add code for handling
9125 (set_priorities): Fix typo.
9126 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9127 Clarify comment and code that keeps current_sched_info->next_tail
9130 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9132 * sched-rgn.c (extend_rgns): New static function.
9133 (find_rgns): Use it.
9134 (gather_region_statistics, print_region_statistics): New static
9136 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9137 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9139 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9140 Andrey Belevantsev <abel@ispras.ru>
9142 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9143 * lists.c (unused_deps_list): New variable.
9144 (free_list): Add assertions to verify the proper distinguishing
9145 between INSN_LISTs and DEPS_LISTs.
9146 (find_list_elem, remove_list_elem, remove_list_node): New static
9148 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9149 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9150 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9151 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9153 (free_INSN_LIST_node): Likewise.
9154 * modulo-sched.c (current_sched_info): Initialize flags field.
9155 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9156 * rtl.def (DEPS_LIST): Define.
9157 * rtl.h: Declare new functions from lists.c.
9158 * sched-deps.c (spec_dependency_cache): New static variable.
9159 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9160 (add_dependence): Change return type to void. Move the logic to ...
9161 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9162 (delete_all_dependences): Add comment about forward_dependency_cache.
9163 Handle spec_dependency_cache. Handle DEPS_LISTs.
9164 (fixup_sched_groups): Clarify the change of priority of output
9165 and anti dependencies.
9166 (sched_analyze_2): Adjust add_dependence calls to create data
9167 speculative dependence.
9168 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9169 Adjust all callers. Handle DEPS_LISTS.
9170 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9171 presence of speculation.
9172 (init_dependency_caches, free_dependency_caches):
9173 Handle spec_dependency_cache.
9174 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9175 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9176 New static functions.
9177 (add_or_update_back_dep, add_or_update_back_forw_dep,
9178 add_back_forw_dep, delete_back_forw_dep): New functions.
9179 * sched-int.h (ds_t, dw_t): New typedefs.
9180 (struct sched_info): Add new field flags.
9181 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9182 Prototype new sched-deps.c functions.
9183 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9184 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9185 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9186 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9187 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9188 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9190 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9192 * sched-rgn.c (current_sched_info): Initialize flags field.
9193 (schedule_insns): Initialize current_sched_info before the sched_init
9195 * sched-ebb.c (current_sched_info): Initialize flags field.
9196 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9197 Call add_or_update_back_dep instead of add_dependence.
9198 Create control speculative dependencies.
9199 (schedule_insns): Initialize current_sched_info before the sched_init
9202 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9204 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9206 (sh_fallback_frame_state): Likewise.
9208 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9210 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9211 Do switch on default_use_cxa_atexit.
9212 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9213 * config/darwin-crt3.o: New.
9214 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9215 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9216 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9218 * config/rs6000/t-darwin: Move crt2.o building to here.
9219 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9220 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9223 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9225 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9226 from '! xxx' to '!xxx' for coding-style conformance.
9227 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9228 (EXTRA_CONSTRAINT): Likewise.
9229 * config/vax/vax.md (four unnamed insns): Likewise.
9231 2006-03-15 Paul Brook <paul@codesourcery.com>
9233 * config/arm/arm.c (minipool_pad): New.
9234 (add_minipool_forward_ref): Include pool alignment padding in address
9236 (push_minipool_fix): Set minipool_pad.
9237 (minipool_pad): Ditto.
9239 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9241 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9242 instead of GET_CODE() == MEM and REG_P() instead of
9244 (print_operand_address): Likewise.
9245 (vax_address_cost): Likewise.
9246 (vax_rtx_costs): Likewise.
9247 (vax_notice_update_cc): Likewise.
9248 (vax_output_int_add): Likewise.
9249 (INDEX_REGISTER_P): Likewise.
9250 (BASE_REGISTER_P): Likewise.
9251 (nonindexed_address_p): Likewise.
9252 (vax_mode_dependent_address_p): Likewise.
9253 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9254 (PRINT_OPERAND): Likewise.
9255 * config/vax/vax.md (ashlsi3): Likewise.
9256 (ashlsi3): Likewise.
9257 (some more unnamed insns): Likewise.
9259 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9261 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9262 iterator-style macro.
9263 (mark_control_dependent_edges_necessary): Update the use of
9264 EXECUTE_IF_CONTROL_DEPENDENT.
9266 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9268 * config/sh/predicates.md (cache_address_operand): Special.
9269 (ua_address_operand): Likewise.
9271 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9273 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9275 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9277 2006-03-15 Andreas Schwab <schwab@suse.de>
9279 * gensupport.c (identify_predicable_attribute): Don't free p_false
9280 when it is still in use.
9282 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9284 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9285 the default setting here.
9287 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9289 * tree-pass.h (pass_cfg): Remove.
9290 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9291 * passes.c (pass_cfg): Don't run it.
9293 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9295 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9296 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9298 (stack_regs_mentioned): Update the uses of
9299 stack_regs_mentioned_data. Don't access the array beyond its
9301 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9302 Don't include gt-reg-stack.h.
9304 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9305 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9307 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9310 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9313 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9315 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9317 2006-03-14 Richard Guenther <rguenther@suse.de>
9319 PR tree-optimization/26672
9320 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9323 2006-03-14 Richard Guenther <rguenther@suse.de>
9325 PR tree-optimization/26667
9326 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9327 node for the callees. Always allow inlining if it will shrink
9330 2006-03-14 Richard Guenther <rguenther@suse.de>
9333 * builtins.c (get_pointer_alignment): Prefer alignment
9334 information from decls over that from types.
9336 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9339 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9341 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9343 * config/rs6000/rs6000.opt (mdlmzb): New option.
9344 (msched-prolog, msched-epilog): Use Var not Mask.
9345 * doc/invoke.texi (-mdlmzb): Document.
9346 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9348 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9349 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9351 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9353 PR rtl-optimization/25739
9354 * bt-load.c (augment_live_range): Free tos pointer.
9356 * gensupport.c (identify_predicable_attribute): Free
9358 * gcov.c (create_file_names): Free name pointer.
9360 2006-03-13 Roger Sayle <roger@eyesopen.com>
9363 * stmt.c (emit_case_nodes): Handle the case where the index is a
9364 CONST_INT, where the comparison mode is specified by the index type.
9366 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9368 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9371 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9373 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9374 (*branch_fp_inverted): Likewise.
9376 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9379 * omp-low.c (expand_omp_for_generic): Mark istart0
9380 and iend0 as addressable.
9382 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9384 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9386 2006-03-13 Jeff Law <law@redhat.com>
9388 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9389 virtual operands are interesting.
9390 (vrp_visit_stmt): Corresponding changes.
9392 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9394 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9396 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9397 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9398 * config/bfin/crti.S: Use it instead of __PIC__.
9399 * config/bfin/crtn.S: Likewise.
9401 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9402 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9404 Lose 'G' modifier for call operand.
9405 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9406 recognize 'G' modifier.
9408 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9411 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9412 * stmt.c (expand_case): Likewise.
9414 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9416 PR rtl-optimization/26254
9417 * loop-invariant.c (seq_insns_valid_p): New function.
9418 (move_invariant_reg): Only emit new code if it is valid.
9420 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9422 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9424 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9425 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9426 (commit_one_edge_insertion): Do not look for loop notes.
9428 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9430 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9431 flag_test_coverage out of loop.
9433 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9435 * final.c (shorten_branches): Remove outdated comment, and turn
9436 the if branch that guards it to continue.
9438 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9440 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9441 * cfgloop.h (struct loop): Remove unused fields.
9443 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9445 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9446 (-dL, -fdump-rtl-loop2): Update the dump file names
9448 * doc/invoke.texi: Update dump file names.
9450 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9452 * predict.c (estimate_probability): Remove.
9453 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9454 * basic-block.h (estimate_probability): Remove prototype.
9455 * passes.c (finish_optimization_passes): Dump branch prediction or
9456 profiling heuristics to the .profile tree dump.
9457 (init_optimization_passes): Unqueue pass_branch_prob.
9459 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9461 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9463 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9464 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9466 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9468 * function.h (frame_offset_overflow): Declare.
9469 * function.c (frame_offset_overflow): New function.
9470 (assign_stack_local_1): Call it to detect that the offset overflows.
9471 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9473 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9475 * config/sh/sh.c: Include alloc-pool.h.
9476 (label_ref_list_pool): New alloc pool.
9477 (label_ref_list_t): New type for lists of labels.
9478 (struct pool_node): Make wend a label_ref_list_t.
9479 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9481 (dump_table): Likewise.
9482 (sh_reorg): Set up the alloc pool before using add_constant and
9483 dump_table, and destroy it when finishing.
9485 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9487 * config/mips/mips.c: Remove redundant comment.
9489 2006-03-10 Jason Merrill <jason@redhat.com>
9492 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9493 the target was declared 'register'.
9495 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9497 * genpreds.c (write_insn_constraint_len): Change definition of
9498 insn_constraint_len to return size_t to match the declaration.
9500 2006-03-10 DJ Delorie <dj@redhat.com>
9502 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9504 (m32c_expand_insv): Fix test for an AND mask.
9506 2006-03-10 Richard Guenther <rguenther@suse.de>
9509 * builtins.c (get_pointer_alignment): Handle component
9510 references for field alignment.
9512 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9514 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9515 when building with libgloss.
9516 (sh*elf): Implement --without-fp option.
9517 (sh64-superh-linux*): Don't multilib.
9519 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9521 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9523 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9525 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9526 Set it when one of the replacement functions returned true.
9527 Return TODO_cleanup_cfg if cfgchanged is true.
9528 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9530 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9532 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9533 instead of gen_lowpart.
9535 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9537 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9539 (mips_output_order_conditional_branch): Declare.
9540 * config/mips/mips.h (MIPS_BRANCH): New macro.
9541 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9542 for the comparison. Use gen_condjump.
9543 (mips_output_conditional_branch): Rework interface to take the
9544 asm templates for a direct branch and the inverse of a direct branch.
9545 (mips_output_order_conditional_branch): New function.
9546 (mips_builtin_branch_and_move): New function.
9547 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9548 branch condition. Use gen_single_cc as the condition for
9549 __builtin_mips_upper_* or __builtin_mips_lower_*.
9550 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9551 Use VOIDmode for the branch condition.
9552 * config/mips/predicates.md (order_operator): New predicate.
9553 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9554 (branch_fp): Rename to...
9555 (*branch_fp): ...this. Remove mode from comparison operator.
9556 Use new mips_output_conditional_branch interface.
9557 (branch_fp_inverted): Rename to...
9558 (*branch_fp_inverted): ...this and update as for *branch_fp.
9559 (*branch_zero<mode>): Rename to...
9560 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9561 Use mips_output_order_conditional_branch. Only accept ordered
9563 (*branch_zero<mode>_inverted): Rename to...
9564 (*branch_order<mode>_inverted): ...this and update as for
9565 *branch_order<mode>.
9566 (*branch_equality<mode>): Accept zero as the second operand to
9567 the equality operator. Use the new mips_output_conditional_branch
9569 (*branch_equality<mode>_inverted): Likewise.
9570 (condjump): New expander.
9571 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9573 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9574 (bc1any2t, bc1any2f): Likewise.
9575 (single_cc): New expander.
9576 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9578 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9580 * doc/md.texi: Update documentation of MIPS constraints.
9581 * config/mips/constraints.md: New file.
9582 * config/mips/mips.md: Include it.
9583 * config/mips/mips.c (mips_char_to_class): Delete.
9584 (override_options): Don't initialize mips_char_to_class.
9585 * config/mips/mips.h (mips_char_to_class): Delete.
9586 (REG_CLASS_FROM_LETTER): Delete.
9587 (CONST_OK_FOR_LETTER_P): Delete.
9588 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9589 (EXTRA_CONSTRAINT_Y): Delete.
9590 (EXTRA_CONSTRAINT_STR): Delete.
9591 (CONSTRAINT_LEN): Delete.
9592 (EXTRA_MEMORY_CONSTRAINT): Delete.
9594 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9596 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9597 original fn's eh regions.
9599 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9601 * fold-const.c (build_range_check): Make sure to use a valid type to
9602 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9605 (range_predecessor): New static function.
9606 (range_successor): Likewise.
9607 (merge_ranges): Use them to compute predecessors and successors of
9610 2006-03-09 Roger Sayle <roger@eyesopen.com>
9613 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9614 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9616 2006-03-08 DJ Delorie <dj@redhat.com>
9618 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9619 (addpsi3): Expand to include memory operands. Remove
9620 reload-specific splits.
9621 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9622 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9623 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9624 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9625 (shift1_qi, shift1_hi, insv): New.
9626 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9627 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9628 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9630 * config/m32c/m32c-protos.h: Update as needed.
9631 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9632 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9633 Fail for unrecognized R* constraints.
9634 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9635 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9636 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9638 (m32c_init_libfuncs): New.
9639 (m32c_legitimate_address_p): Add debug wrapper.
9640 (m32c_rtx_costs): New.
9641 (m32c_address_cost): New.
9642 (conversions): Add 'B' prefix.
9643 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9644 operands, or word regnames for QI operands. 'B' prints bit
9646 (m32c_expand_setmemhi): New.
9647 (m32c_expand_movmemhi): New.
9648 (m32c_expand_movstr): New.
9649 (m32c_expand_cmpstr): New.
9650 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9651 (m32c_expand_neg_mulpsi3): Handle non-ints.
9652 (m32c_cmp_flg_0): New.
9653 (m32c_expand_movcc): New.
9654 (m32c_expand_insv): New.
9655 (m32c_scc_pattern): New.
9656 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9657 a0/a1 out of SIregs.
9658 (STORE_FLAG_VALUE): New.
9659 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9662 * config/m32c/mov.md: Make constraints more liberal.
9663 (zero_extendqihi2): Optimize r0/r1 case.
9664 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9665 * config/m32c/predicates.md (m32c_any_operand): New.
9666 (m32c_nonimmediate_operand): New.
9667 (m32c_hl_operand): New.
9668 (m32c_r3_operand): New.
9671 (memsym_operand): New.
9672 (memimmed_operand): New.
9673 (a_qi_operand): New.
9674 (m32c_eqne_operator): New.
9675 (m32c_1bit8_operand): New.
9676 (m32c_1bit16_operand): New.
9677 (m32c_1mask8_operand): New.
9678 (m32c_1mask16_operand): New.
9679 * config/m32c/blkmov.md: New file.
9680 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9682 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9684 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9685 unsigned to fix signed/unsigned comparison issue in
9686 DWARF2_FRAME_REG_OUT.
9687 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9688 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9690 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9691 of ptr into the ENABLE_CHECKING section.
9693 2006-03-08 Jeff Law <law@redhat.com>
9695 * tree-vrp.c (infer_value_range): Only count pointer uses
9696 and dereferences if -fdelete-null-pointer-checks is enabled.
9698 * tree-vrp.c (find_assert_locations): Infer value ranges for
9699 single use pointers, but do not create ASSERT_EXPRs for them.
9700 When a non-null range is inferred for a pointer, backwards
9701 propagate that range to other equivalent pointers through the
9704 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9707 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9708 language hook targets.
9709 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9710 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9711 if language hook targets were missing.
9713 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9715 * tree-ssa-opfinalize.h: Removed.
9716 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9718 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9719 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9720 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9721 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9722 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9723 finalize_ssa_v_must_def_ops): New.
9725 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9727 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9730 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9732 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9734 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9735 addresses with offsets; reorganize.
9737 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9738 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9739 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9741 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9744 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9746 2006-03-08 Ben Elliston <bje@au.ibm.com>
9748 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9750 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9753 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9756 2006-03-07 Richard Guenther <rguenther@suse.de>
9758 PR tree-optimization/26587
9759 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9761 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9763 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9765 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9767 * hooks.c (hook_bool_mode_rtx_true): New function.
9768 * hooks.h (hook_bool_mode_rtx_true): Declare.
9769 * toplev.c (compile_file): Call output_shared_constant_pool.
9770 * varasm.c (shared_constant_pool): New variable.
9771 (assemble_start_function, assemble_end_function): Remove arguments
9772 from call to output_constant_pool.
9773 (create_constant_pool): New function, split out from...
9774 (init_varasm_status): ...here.
9775 (force_const_mem): Choose between the shared and per-function constant
9776 pools. Set current_function_uses_const_pool when reusing old entries
9777 as well as when creating new ones.
9778 (mark_constant): Ignore data argument.
9779 (mark_constants): Remove pool argument.
9780 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9781 to decide whether the function uses a constant pool.
9782 (output_constant_pool_contents): New function, split out from...
9783 (output_constant_pool): ...here.
9784 (output_shared_constant_pool): New function.
9785 (init_varasm_once): Initialize shared_constant_pool.
9786 * output.h (output_constant_pool): Delete.
9787 (output_shared_constant_pool): Declare.
9788 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9789 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9791 2006-03-06 Nick Clifton <nickc@redhat.com>
9793 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9794 flag_strength_reduce.
9796 2006-03-06 Ben Elliston <bje@au.ibm.com>
9798 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9799 x86_64-*-linux* configurations.
9801 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9802 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9804 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9806 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9808 * basic-block.h: Remove the extern for
9809 rediscover_loops_after_threading.
9811 * cfgloop.c (cancel_loop): Make it static.
9812 * cfgloop.h: Remove the prototype for cancel_loop.
9814 * flow.c (recompute_reg_usage): Make it static.
9815 * rtl.h: Remove the prototype for recompute_reg_usage.
9817 * function.c (use_return_register): Make it static.
9818 * function.h: Remove the prototype.
9820 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9822 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9824 * recog.h: Remove the prototype for
9825 validate_change_maybe_volatile.
9827 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9829 * rtlanal.c (replace_reg): Remove.
9830 * rtl.h: Remove the prototype for replace_reg.
9832 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9834 * regclass.c (reg_scan_update): Remove.
9835 (reg_scan_mark_refs): Remove the last argument.
9836 * rtl.h: Remove the prototype for reg_scan_update.
9838 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9840 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9841 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9842 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9843 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9844 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9845 loop-invariant.c, omp-low.c, opts.c, passes.c,
9846 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9847 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9848 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9849 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9850 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9851 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9853 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9855 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9856 * dwarf2out.h: Remove the prototype for
9857 dwarf2out_add_library_unit_info.
9859 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9861 * tree.c (add_var_to_bind_expr): Remove.
9862 * tree.h: Remove the prototype for add_var_to_bind_expr.
9864 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9866 * regclass.c (n_non_fixed_regs): Remove.
9867 (init_reg_sets_1, globalize_reg): Remove all uses of
9869 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9871 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9873 * rtlanal.c (insns_safe_to_move_p): Remove.
9874 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9876 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9878 * expmed.c (expand_mult_add): Remove.
9879 * expr.h: Remove the prototype for expand_mult_add.
9881 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9883 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9884 and REG_SAVED_VAL_EXP constants.
9885 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9886 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9887 Handle regs stored by value.
9888 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9889 (execute_cfa_program): Handle DW_CFA_val_offset,
9890 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9891 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9892 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9893 (uw_install_context_1): Handle target regs stored by value.
9895 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9897 * tree-sra.c (tree_sra): Return todoflags;
9898 (generate_one_element): Set TODO_update_smt_usage if needed.
9899 (pass_sra): Remove TODO_update_smt_usage.
9900 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9902 (tree_ssa_forward_propagate_single_use_vars): Return
9903 TODO_update_smt_usage if we need to update SMT usage.
9904 (pass_forwprop): Remove TODO_update_smt_usage.
9906 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9908 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9909 (correct_use_link): Remove reference to get_stmt_operands.
9910 (update_stmt_operands): Likewise.
9911 (get_modify_expr_operands): New function factored out of
9912 parse_ssa_operands and get_expr_operands.
9913 Try to create V_MUST_DEFs for LHS by default.
9914 (get_expr_operands) <case MODIFY_EXPR>: Call
9915 get_modify_expr_operands.
9916 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9917 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9918 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9919 get_modify_expr_operands.
9921 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9923 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9924 * tree-flow.h: Remove the prototype for
9925 referenced_var_lookup_if_exists.
9927 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9929 PR rtl-optimization/26345
9931 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9933 2006-03-03 Roger Sayle <roger@eyesopen.com>
9935 PR tree-optimization/26524
9936 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9937 fold_convert to create a constant of the appropriate type.
9939 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9941 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9942 SYMBOL_REF_IN_BLOCK_P.
9943 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9944 of SYMBOL_FLAG_IN_BLOCK.
9945 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9946 instead of SYMBOL_REF_IN_BLOCK_P.
9947 * explow.c (use_anchored_address): Likewise.
9948 * rtl.c (rtx_size): Likewise.
9949 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9950 instead of SYMBOL_FLAG_IN_BLOCK.
9951 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9952 SYMBOL_REF_IN_BLOCK_P.
9953 (assemble_variable): Likewise.
9954 (output_constant_def_contents): Likewise.
9955 (output_constant_pool): Likewise.
9956 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9957 instead of SYMBOL_FLAG_IN_BLOCK.
9958 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9959 SYMBOL_REF_IN_BLOCK_P.
9960 (SYMBOL_REF_BLOCK): Likewise.
9961 (SYMBOL_REF_OFFSET): Likewise.
9962 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9963 SYMBOL_REF_IN_BLOCK_P.
9964 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9965 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9966 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9967 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9969 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9971 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9973 2006-03-02 Roger Sayle <roger@eyesopen.com>
9975 * simplify-rtx.c (simplify_unary_operation): When simplifying
9976 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9977 that we perform the right shift in the appropriate mode, and
9978 then extend or truncate the result to requested mode.
9980 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9982 * gengtype.c (main): Handle double_int type.
9983 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9984 * double-int.c: New file.
9985 * double-int.h: New file.
9986 * system.h: Include doubleint.h.
9987 * Makefile.in (SYSTEM_H): Include double-int.h.
9988 (double-int.o): Add.
9990 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9993 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9996 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9998 * tree-vrp.c (remove_range_assertions): Do not update statements
10001 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10003 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10005 * gcse.c (rest_of_handle_gcse): Ditto.
10006 * except.c (gate_handle_eh): Ditto.
10007 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10008 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10010 2006-03-02 Eric Christopher <echristo@apple.com>
10012 * config/i386/i386.c (machopic_output_stub): Add indirection to
10015 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10019 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10021 Sun Niagara specific optimizations.
10022 * config.gcc: Recognize niagara as target.
10023 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10024 (TARGET_CPU_niagara): Define.
10025 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10026 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10027 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10028 (ASM_CPU_SPEC): Likewise.
10029 (PROCESSOR_NIAGARA): New enum entry.
10030 (REGISTER_MOVE_COST): Handle Niagara.
10031 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10032 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10033 (sparc_override_options): Recognize "niagara", set appropriate
10034 default MASK_* values for it, and align functions to 32-bytes
10035 by default just like ULTRASPARC/ULTRASPARC3.
10036 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10037 (sparc64_initialize_trampoline): Likewise.
10038 (sparc_use_sched_lookahead): Use zero for niagara.
10039 (sparc_issue_rate): Use one for niagara.
10040 * config/sparc/niagara.md: New file.
10041 * config/sparc/sparc.md: Include it.
10042 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10043 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10044 when default cpu is niagara.
10045 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10046 (ASM_CPU_SPEC): Likewise.
10047 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10048 when default cpu is niagara.
10049 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10050 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10051 just like v9/ultrasparc/ultrasparc3.
10052 * doc/invoke.texi: Add documentation for "niagara" and improve
10053 existing documentation for ultrasparc variants.
10055 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10057 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10059 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10061 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10062 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10063 and say that only one is needed.
10064 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10065 * target.h (have_switchable_bss_sections): New hook.
10066 * explow.c (use_anchored_address): Check that the symbol is in a block.
10067 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10068 (bss_noswitch_section): New variables.
10069 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10070 (get_noswitch_section): New function.
10071 (get_block_for_section): Allow SECT to be null.
10072 (unlikely_text_section_p): Use SECTION_STYLE.
10073 (bss_initializer_p): New function.
10074 (get_variable_section): Move earlier in file. Take a new argument,
10075 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10076 Return one of the new *_sections in such cases.
10077 (get_block_for_decl): New function, extracting some logic from
10078 use_blocks_for_decl_p.
10079 (change_symbol_section): Remove in favor of...
10080 (change_symbol_block): ...this new function.
10081 (use_blocks_for_decl_p): Remove checks now performed by
10082 get_block_for_decl.
10083 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10084 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10085 (emit_local, emit_bss, emit_common): ...these new functions.
10086 Return true if the alignment was honored.
10087 (emit_tls_common): New function.
10088 (asm_emit_uninitialised): Delete.
10089 (assemble_variable_noswitch): New function, split out from...
10090 (assemble_variable): ...here. Don't make decisions about common
10091 variables here. Globalize all public decls that go into non-common
10092 sections. Check whether SYMBOL_REF_BLOCK is null.
10093 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10094 (output_constant_pool): Likewise.
10095 (init_varasm_once): Initialize the new section variables.
10096 (have_global_bss_p): New function.
10097 (categorize_decl_for_section): Use bss_initializer_p.
10098 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10099 (place_block_symbol): Assert that the symbol must be in a block.
10100 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10101 (TARGET_INITIALIZER): Include it.
10102 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10103 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10104 (SECTION_MACH_DEP): Bump by two.
10105 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10106 (unnamed_section): Mention SECTION_UNNAMED in comment.
10107 (named_section): Likewise SECTION_NAMED.
10108 (noswitch_section_callback): New type.
10109 (noswitch_section): New structure.
10110 (section): Add a noswitch_section alternative.
10111 (SECTION_STYLE): New macro.
10112 (tls_comm_section, comm_section, lcomm_section): Declare.
10113 (bss_noswitch_section, have_global_bss_p): Declare.
10114 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10115 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10117 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10118 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10121 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10123 * tree-vrp.c (execute_vrp): Return value.
10124 * regrename.c (rest_of_handle_regrename): Ditto.
10125 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10126 * tree-complex.c (tree_lower_complex): Ditto.
10127 (tree_lower_complex_O0): Ditto.
10128 * tracer.c (rest_of_handle_tracer): Ditto.
10129 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10130 * postreload.c (rest_of_handle_postreload): Ditto.
10131 * tree-tailcall.c (execute_tail_recursion): Ditto.
10132 (execute_tail_calls): Ditto.
10133 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10134 * tree.h (init_function_for_compilation): Ditto.
10135 * ipa-cp.c (ipcp_driver): Ditto.
10136 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10137 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10138 * final.c (compute_alignments): Ditto.
10139 (rest_of_handle_final): Ditto.
10140 (rest_of_handle_shorten_branches): Ditto.
10141 (rest_of_clean_state): Ditto.
10142 * omp-low.c (execute_expand_omp): Ditto.
10143 (execute_lower_omp): Ditto.
10144 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10145 * ipa-reference.c (static_execute): Ditto.
10146 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10147 * reorg.c (rest_of_handle_delay_slots): Ditto.
10148 (rest_of_handle_machine_reorg): Ditto.
10149 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10150 * flow.c (recompute_reg_usage): Ditto.
10151 (rest_of_handle_remove_death_notes): Ditto.
10152 (rest_of_handle_life): Ditto.
10153 (rest_of_handle_flow2): Ditto.
10154 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10155 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10156 (do_ssa_store_ccp): Ditto.
10157 (execute_fold_all_builtins): Ditto.
10158 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10159 * modulo-sched.c (rest_of_handle_sms): Ditto.
10160 * ipa-pure-const.c (static_execute): Ditto.
10161 * cse.c (rest_of_handle_cse): Ditto.
10162 (rest_of_handle_cse2): Ditto.
10163 * web.c (rest_of_handle_web): Ditto.
10164 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10165 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10166 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10167 * tree-nrv.c (tree_nrv): Ditto.
10168 (execute_return_slot_opt): Ditto.
10169 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10170 (create_structure_vars): Ditto.
10171 * loop-init.c (rtl_loop_init): Ditto.
10172 (rtl_loop_done): Ditto.
10173 (rtl_move_loop_invariants): Ditto.
10174 (rtl_unswitch): Ditto.
10175 (rtl_unroll_and_peel_loops): Ditto.
10176 (rtl_doloop): Ditto.
10177 * gimple-low.c (lower_function_body): Ditto.
10178 (mark_used_blocks): Ditto.
10179 * tree-ssa-sink.c (execute_sink_code): Ditto.
10180 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10181 (cgraph_early_inlining): Ditto.
10182 * global.c (rest_of_handle_global_alloc): Ditto.
10183 * jump.c (cleanup_barriers): Ditto.
10184 (purge_line_number_notes): Ditto.
10185 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10186 (rest_of_handle_if_after_reload): Ditto.
10187 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10188 (tree_ssa_loop_im): Ditto.
10189 (tree_ssa_loop_unswitch): Ditto.
10190 (tree_vectorize): Ditto.
10191 (tree_linear_transform): Ditto.
10192 (tree_ssa_loop_ivcanon): Ditto.
10193 (tree_ssa_empty_loop): Ditto.
10194 (tree_ssa_loop_bounds): Ditto.
10195 (tree_complete_unroll): Ditto.
10196 (tree_ssa_loop_prefetch): Ditto.
10197 (tree_ssa_loop_ivopts): Ditto.
10198 (tree_ssa_loop_done): Ditto.
10199 * predict.c (tree_estimate_probability): Ditto.
10200 * recog.c (split_all_insns_noflow): Ditto.
10201 (rest_of_handle_peephole2): Ditto.
10202 (rest_of_handle_split_all_insns): Ditto.
10203 * tree-eh.c (lower_eh_constructs): Ditto.
10204 * regmove.c (rest_of_handle_regmove): Ditto.
10205 (rest_of_handle_stack_adjustments): Ditto.
10206 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10207 * function.c (instantiate_virtual_regs): Ditto.
10208 (init_function_for_compilation): Ditto.
10209 (rest_of_handle_check_leaf_regs): Ditto.
10210 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10211 (rest_of_handle_gcse): Ditto.
10212 * ipa-type-escape.c (type_escape_execute): Ditto.
10213 * alias.c (rest_of_handle_cfg): Ditto.
10214 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10215 * profile.c (rest_of_handle_branch_prob): Ditto.
10216 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10217 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10218 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10219 * tree-dfa.c (find_referenced_vars): Ditto.
10220 * except.c (set_nothrow_function_flags): Ditto.
10221 (convert_to_eh_region_ranges): Ditto.
10222 (rest_of_handle_eh): Ditto.
10223 * emit-rtl.c (unshare_all_rtl): Ditto.
10224 (remove_unnecessary_notes): Ditto.
10225 * except.h (set_nothrow_function_flags): Ditto.
10226 (convert_to_eh_region_ranges): Ditto.
10227 * cfgexpand.c (tree_expand_cfg): Ditto.
10228 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10229 * tree-ssa-pre.c (do_pre): Ditto.
10230 (execute_fre): Ditto.
10231 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10232 (rest_of_handle_jump2): Ditto.
10233 * tree-sra.c (tree_sra): Ditto.
10234 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10235 (execute_mudflap_function_decls): Ditto.
10236 * tree-ssa-copy.c (do_copy_prop): Ditto.
10237 (do_store_copy_prop): Ditto.
10238 * ipa-prop.h (ipcp_driver): Ditto.
10239 * cfglayout.c (insn_locators_initialize): Ditto.
10240 * tree-ssa-forwprop.c
10241 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10242 * cfglayout.h (insn_locators_initialize): Ditto.
10243 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10244 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10245 (execute_late_warn_uninitialized): Ditto.
10246 * rtl.h (cleanup_barriers): Ditto.
10247 (split_all_insns_noflow): Ditto.
10248 (purge_line_number_notes): Ditto.
10249 (unshare_all_rtl): Ditto.
10250 (remove_unnecessary_notes): Ditto.
10251 (recompute_reg_usage): Ditto.
10252 (variable_tracking_main): Ditto.
10253 * integrate.c (emit_initial_value_sets): Ditto.
10254 * integrate.h (emit_initial_value_sets): Ditto.
10255 * tree-optimize.c (execute_free_datastructures): Ditto
10256 (execute_free_cfg_annotations): Ditto.
10257 (execute_fixup_cfg): Ditto.
10258 (execute_cleanup_cfg_pre_ipa): Ditto.
10259 (execute_cleanup_cfg_post_optimizing): Ditto.
10260 (execute_init_datastructures): Ditto.
10261 * tree-object-size.c (compute_object_sizes): Ditto.
10262 * combine.c (rest_of_handle_combine): Ditto.
10263 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10264 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10265 (rest_of_handle_reorder_blocks): Ditto.
10266 (rest_of_handle_partition_blocks): Ditto.
10267 * var-tracking.c (variable_tracking_main): Ditto.
10268 * tree-profile.c (tree_profiling): Ditto.
10269 * tree-vect-generic.c (expand_vector_operations): Ditto.
10270 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10271 * sched-rgn.c (rest_of_handle_sched): Ditto.
10272 (rest_of_handle_sched2): Ditto.
10273 * basic-block.h (free_bb_insn): Ditto.
10274 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10275 * tree-cfg.c (execute_build_cfg): Ditto.
10276 (remove_useless_stmts): Ditto.
10277 (split_critical_edges): Ditto.
10278 (execute_warn_function_return): Ditto.
10279 (execute_warn_function_noreturn): Ditto.
10280 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10281 * cfgrtl.c (free_bb_for_insn): Ditto.
10282 * passes.c (execute_one_pass): Run additional
10283 todos returned by execute function.
10284 * tree-pass.h (struct tree_opt_pass): Make execute
10287 2006-03-02 Richard Guenther <rguenther@suse.de>
10289 * tree-ssa-alias.c (find_used_portions): Consider taking
10290 the address as making the variable not write-only.
10292 2006-03-02 Nick Clifton <nickc@redhat.com>
10294 * config.gcc (default_use_cxa_atexit): Extend the description of
10295 this configure variable. Set its default value to "yes" for
10296 Linux, NetBSD and ELF targets on the assumption that they will
10297 use C libraries with the __cxa_atexit function.
10299 2006-03-02 Ben Elliston <bje@au.ibm.com>
10301 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10302 parameter as unused to suppress a build warning.
10304 2006-03-02 Ben Elliston <bje@au.ibm.com>
10306 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10309 2006-03-01 Roger Sayle <roger@eyesopen.com>
10312 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10313 declared name, the weak reference name, and the typeof name.
10314 (__gthrw): Avoid expanding the declared name suffix.
10315 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10317 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10319 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10321 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10322 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10323 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10324 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10325 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10326 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10327 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10328 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10329 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10330 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10331 (DW_END_default, DW_END_big, DW_END_little): New.
10332 (DW_END_lo_user, DW_END_hi_user): Define.
10333 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10334 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10335 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10338 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10340 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10342 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10344 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10346 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10348 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10349 to 'symbol_mem_tag'.
10351 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10354 2006-03-01 Roger Sayle <roger@eyesopen.com>
10356 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10358 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10361 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10362 MACHO_DYNAMIC_NO_PIC_P.
10363 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10365 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10368 * config/darwin-protos.h (darwin_asm_output_anchor):
10370 * config/darwin-sections.def (cstring_section):
10371 Add SECTION_MERGE to the flags.
10372 (literal4_section): Likewise.
10373 (literal8_section): Likewise.
10374 (objc_selector_refs_section): Likewise.
10375 (objc_cls_refs_section): Likewise.
10376 * config/darwin.c (darwin_asm_output_anchor): New
10378 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10380 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10382 Fix PR tree-optimization/26443
10383 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10384 to todo and PROP_tmt_usage to properties_destroyed.
10385 * tree-ssa-ccp.c (pass_ccp): Ditto.
10386 (pass_store_ccp): Ditto.
10387 * tree-ssa-dom.c (pass_dominator): Ditto.
10389 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10391 * tree-ssa-operands.c: Cleanup whitespace.
10392 (get_asm_expr_operands): Move before first invocation.
10393 (get_indirect_ref_operands): Likewise.
10394 (get_tmr_operands): Likewise.
10395 (get_call_expr_operands): Likewise.
10396 (append_def): Likewise.
10397 (append_use): Likewise.
10398 (append_v_may_def): Likewise.
10399 (append_v_must_def): Likewise.
10400 (add_call_clobber_ops): Likewise.
10401 (add_call_read_ops): Likewise.
10402 (add_stmt_operand): Likewise.
10403 (add_virtual_operand): Likewise.
10404 (build_ssa_operands): Likewise.
10406 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10408 PR middle-end/26022
10410 PR middle-end/24437
10411 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10412 with a call expr to ...
10413 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10415 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10417 * tree-vrp.c (extract_range_from_assert): Remove special
10418 handling for types with super-types.
10420 2006-03-01 Ben Elliston <bje@au.ibm.com>
10422 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10423 and powerpc64-*-linux* configurations.
10424 * config/t-dfprules: New file.
10426 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10427 Compile dfp-bit.c from the source directory using -DWIDTH and
10428 $DFP_CFLAGS to control the compilation of that file, rather than
10429 generating width-specific versions in the build directory.
10430 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10431 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10433 2006-02-28 Zack Weinberg <zackw@panix.com>
10435 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10438 2006-02-28 Eric Christopher <echristo@apple.com>
10440 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10441 Set up IN_LIBGCC definition of TARGET_64BIT.
10442 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10444 2006-02-28 Roger Sayle <roger@eyesopen.com>
10446 PR middle-end/14752
10447 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10448 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10449 cases via the construction of "expr != 0".
10451 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10453 * alias.c (alias_invariant, alias_invariant_size): Remove.
10454 (record_base_value): Remove.
10455 (memrefs_conflict_p): Don't look at alias_invariant.
10456 (end_alias_analysis): Don't free it.
10457 * alias.h (record_base_value): Remove prototype.
10459 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10460 Adam Nemet <anemet@caviumnetworks.com>
10462 * rtl.h (truncated_to_mode): Declare it.
10463 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10464 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10465 (RTL_HOOKS_INITIALIZER): Include it.
10466 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10467 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10468 reg_truncated_to_mode.
10469 * rtlanal.c (truncated_to_mode): Define it.
10470 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10472 2006-02-28 Jeff Law <law@redhat.com>
10474 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10475 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10476 the range allowed by TYPE_PRECISION.
10478 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10480 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10482 PR tree-optimization/26419
10483 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10486 2006-02-27 Zack Weinberg <zackw@panix.com>
10488 * doc/md.texi: Fix typo in previous change.
10490 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10494 2006-02-27 Zack Weinberg <zackw@panix.com>
10496 * rtl.def (define_constraint, define_register_constraint)
10497 (define_memory_constraint, define_address_constraint): New MD forms.
10498 * gensupport.c (process_rtx): Put define_constraint etc on the
10500 * genpreds.c (process_define_predicate): Adjust comment. Validate
10501 the name, and call validate_exp to validate the expression.
10502 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10503 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10504 all callers changed.
10505 (validate_exp, needs_variable, struct constraint_data)
10506 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10507 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10508 (const_dbl_constraints, constraint_max_namelen)
10509 (have_register_constraints, have_memory_constraints)
10510 (have_address_constraints, have_address_constraints)
10511 (have_extra_constraints, have_const_int_constraints)
10512 (have_const_dbl_constraints, mangle, add_constraint)
10513 (process_define_constraint, process_define_register_constraint)
10514 (write_enum_constraint_num, write_lookup_constraint)
10515 (write_insn_constraint_len, write_regclass_for_constraint)
10516 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10517 (write_insn_extra_memory_constraint)
10518 (write_insn_extra_address_constraint)
10519 (write_satisfies_constraint_fns): New.
10520 (write_tm_preds_h): If we have new-style constraint definitions,
10521 prototype the functions generated from them, and define the
10522 old constraint interface (still used by generic code) in terms of
10524 (write_insn_preds_c): If we have new-style constraint definitions,
10525 generate all relevant functions from those definitions.
10526 (main): Handle define_constraint etc.
10527 * genoutput.c (struct constraint_data, indep_constraints)
10528 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10529 (mdep_constraint_len): New data structures and functions, defined
10530 #ifdef USE_MD_CONSTRAINTS.
10531 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10532 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10533 use new logic to validate operand constraints against constraint
10535 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10537 * defaults.h: If none of the old-style constraint macros are
10538 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10539 old-style macros; and poison REG_CLASS_FROM_LETTER,
10540 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10542 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10543 * doc/md.texi: Document new constraint-definition mechanism and the
10544 C interface it provides. Remove references to old mechanism
10545 elsewhere in the document.
10546 (Machine Constraints): Use pathnames relative to gcc directory,
10547 i.e. config/ARCH/FILE. Change i386 section to refer to
10548 config/i386/predicates.md; update that section to match docstrings.
10549 * doc/tm.texi: Move all documentation of the old constraint-
10550 definition macros to their own section, clearly mark as obsolete.
10552 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10553 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10555 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10556 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10557 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10558 constraint strings.
10559 (splits and peepholes): Use satisfies_constraint_*.
10560 * config/i386/i386.c (memory_address_length)
10561 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10563 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10565 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10566 scalar operation to be put back into the loop.
10568 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10571 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10572 (extract_cie_info): Handle S flag in augmentation string.
10573 (execute_cfa_program): If context->signal_frame, execute also
10574 fs->pc == context->ra instructions.
10575 (uw_frame_state_for): If context->signal_frame, don't subtract one
10576 from context->ra to find FDE.
10577 (uw_update_context_1): Set context->signal_frame to
10579 (_Unwind_GetIPInfo): New function.
10580 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10581 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10583 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10584 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10585 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10586 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10587 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10588 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10589 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10590 x86_64_fallback_frame_state): Set fs->signal_frame.
10591 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10592 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10593 (frob_update_context): Likewise. Workaround missing S flag in
10594 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10595 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10596 Remove the psw_addr + 1 hack.
10598 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10600 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10601 with aggregates here.
10602 (find_func_aliases): Remove code for &<aggregate> from here.
10604 2006-02-26 Roger Sayle <roger@eyesopen.com>
10606 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10607 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10608 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10609 as (X & C) ne/eq 0.
10611 2006-02-26 Roger Sayle <roger@eyesopen.com>
10613 PR middle-end/19983
10614 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10616 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10618 * opts.c (decode_options): Do not handle flag_strength_reduce.
10619 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10620 and OPT_fstrength_reduce.
10621 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10622 flag_prefetch_loop_arrays for being nonzero.
10623 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10625 (fprefetch-loop-arrays-rtl): Removed.
10626 (flag_prefetch_loop_arrays): Do not specify the value.
10628 * doc/passes.texi: Update documentation of loop optimizer
10630 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10631 -frerun-loop-opt): Remove.
10633 2006-02-26 Richard Guenther <rguenther@suse.de>
10635 PR tree-optimization/26421
10636 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10637 in function calls that are ADDR_EXPRs as using the whole structure.
10639 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10641 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10642 * tree-pass.h (pass_loop_optimize): Remove.
10643 * passes.c (pass_loop_optimize): Never run it.
10644 * toplev.c (backend_init): Don't call init_loop.
10645 * opts.c (flag_loop_optimize_set): Remove.
10646 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10647 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10648 the old RTL loop optimizer when profiling enabled.
10649 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10650 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10651 pre-headers for the sake of the old RTL loop optimizer.
10652 * Makefile.in: Remove all references to loop.o.
10654 * doc/invoke.texi: Remove all references to -floop-optimize
10655 and -frerun-loop-opt.
10657 2006-02-26 Zack Weinberg <zackw@panix.com>
10659 * doc/md.texi (Machine Constraints): Refer to all files with paths
10660 relative to gcc directory (i.e. config/CPU/file). Add missing
10661 @table @code ... @end table to M32C subsection.
10663 2006-02-26 Roger Sayle <roger@eyesopen.com>
10665 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10667 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10669 2006-02-26 Roger Sayle <roger@eyesopen.com>
10670 James A. Morrison <phython@gcc.gnu.org>
10672 PR middle-end/21137
10673 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10674 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10675 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10676 signedness of the shift operation.
10678 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10680 PR tree-optimization/26359
10681 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10683 2006-02-25 Roger Sayle <roger@eyesopen.com>
10685 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10686 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10687 as X == 0, and some symmetry related transformations.
10688 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10690 2006-02-25 Roger Sayle <roger@eyesopen.com>
10692 PR middle-end/23673
10693 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10694 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10695 symmetry related transformations. Fold (X^C1) == C2 as
10698 2006-02-25 Juergen Weigert <jw@suse.de>
10699 Richard Guenther <rguenther@suse.de>
10701 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10703 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10705 * combine.c (gen_lowpart_or_truncate): Call
10706 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10708 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10710 * doc/invoke.texi: Move -fopenmp description to "Options for
10712 Remove reference to -lgomp.
10714 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10716 * doc/install.texi: Require GNU tar version 1.14.
10718 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10720 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10721 * doc/invoke.texi (C++ Dialect Options): Document
10722 -fno-use-cxa-get-exception-ptr.
10723 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10724 * configure: Regenerate.
10725 * c.opt (fuse-cxa-get-exception-ptr): New.
10726 * c-opts.c (c_common_handle_option): Handle
10727 OPT_fuse_cxa_get_exception_ptr.
10728 * c-common.c (flag_use_cxa_atexit): Update documentation.
10729 (flag_use_cxa_get_exception_ptr): New.
10730 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10731 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10733 (C_COMMON_OVERRIDE_OPTIONS): New.
10735 2006-02-24 Roger Sayle <roger@eyesopen.com>
10737 PR middle-end/24952
10738 * combine.c (try_combine): Explicitly check whether GET_CODE is
10739 a SET or a CLOBBER, instead on checking that it isn't a USE.
10741 2006-02-24 Roger Sayle <roger@eyesopen.com>
10743 * fold-const.c (fold_comparison): New subroutine of fold_binary
10744 containing transformations common to both the equality and
10745 ordering relational operators, factored out of fold_binary.
10746 (fold_binary): Separate out the equality operators (EQ_EXPR
10747 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10748 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10749 transformations common to both.
10750 (fold_div_compare): Fix latent bugs in the previously unreachable
10751 LT_EXPR and GE_EXPR cases.
10753 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10755 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10756 decl libname for clog to __clog on AIX.
10758 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10760 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10763 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10764 output traceback table for thunks. Localise rs6000_stack_info call.
10766 2006-02-23 Roger Sayle <roger@eyesopen.com>
10767 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10769 * gthr-posix.h (__gthrw): Fix typo in comment.
10771 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10773 * doc/cpp.texi (Character sets): Document that we do support
10774 input files to be in any character set.
10776 2006-02-23 Jeff Law <law@redhat.com>
10778 * tree.h (PHI_ARG_NONZERO): Remove.
10779 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10780 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10781 node to the new node.
10783 PR tree-optimization/26425
10784 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10785 min/max, then assume its varying.
10787 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10789 PR rtl-optimization/26316
10790 * rtlanal.c (enum may_trap_p_flags): New.
10791 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10792 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10793 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10794 (may_trap_after_code_motion_p): New function.
10795 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10796 (find_invariant_insn): Use may_trap_after_code_motion_p.
10797 * rtl.h (may_trap_after_code_motion_p): Declare.
10799 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10801 * emit-rtl.c (immed_double_const): Cleanup.
10803 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10805 Fix PR tree-optimization/26376
10806 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10809 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10811 PR middle-end/26412
10812 * gimplify.c (omp_add_variable): Guard variable size decl test with
10813 DECL_SIZE (decl) check.
10815 2006-02-23 Richard Guenther <rguenther@suse.de>
10817 PR middle-end/26439
10818 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10819 like aggregate types.
10821 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10823 * configure.ac: Add --with{,out}-long-double-128 configure option.
10824 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10825 * configure: Rebuilt.
10826 * config.in: Rebuilt.
10827 * doc/install.texi (Options specification): Document
10828 --with-long-double-128.
10830 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10831 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10832 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10833 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10835 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10837 * config/s390/s390.c (override_options): Handle
10838 TARGET_DEFAULT_LONG_DOUBLE_128.
10840 * config/alpha/alpha.c (override_options): Handle
10841 TARGET_DEFAULT_LONG_DOUBLE_128.
10843 * config/sparc/sparc.c (sparc_override_options): Handle
10844 TARGET_DEFAULT_LONG_DOUBLE_128.
10846 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10848 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10849 (real-install-headers-tar, real-install-headers-cpio)
10850 (real-install-headers-cp): New targets.
10852 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10854 * tree.h (variable_section): Delete.
10855 * varasm.c (variable_section): Delete.
10857 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10859 * install.texi: Add notes on install.texi2html.
10860 (Building in parallel): Do not use footnotes.
10862 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10865 * doc/install.texi (Configuration): Document --disable-libgomp.
10867 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10869 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10871 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10873 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10874 (vec_extractv2df_0_sse): New.
10876 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10878 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10879 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10880 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10881 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10882 to the result of the expression.
10883 (def_cfa_1): Adjust.
10884 (frame_pointer_cfa_offset): Rename to...
10885 (frame_pointer_fb_offset): ... this. Adjust all uses.
10886 (convert_cfa_to_loc_list): Rename to...
10887 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10888 Pass it on to build_cfa_loc.
10889 (compute_frame_pointer_to_cfa_displacement): Rename to...
10890 (compute_frame_pointer_to_fb_displacement): ... this. New
10891 offset parameter. Use it in computation.
10892 (gen_subprogram_die): Compute cfa_fb_offset with the new
10893 macro, and use it to compute the fb loc list and the
10896 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10898 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10899 replaced with register_operand.
10900 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10901 non-DREG is expensive.
10902 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10903 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10906 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10908 * doc/install.texi2html: Use set -e.
10910 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10912 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10913 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10914 * doc/invoke.texi (-fshared-data): Delete.
10915 * common.opt (fshared-data): Delete.
10916 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10917 (assemble_static_space): Remove #if 0 code.
10918 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10919 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10920 * config/cris/cris.h: Remove FIXME.
10922 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10924 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10927 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10929 PR middle-end/26379
10930 * combine.c (simplify_shift_const_1): Disable nested shifts
10931 optimization for vector shifts.
10933 2006-02-20 Roger Sayle <roger@eyesopen.com>
10935 PR tree-optimization/26361
10936 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10937 of unsigned integer types.
10939 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10941 * tree-chrec.c (eq_evolutions_p): New.
10942 * tree-chrec.h (eq_evolutions_p): Declared.
10943 * tree-data-ref.c: Fix formatting.
10944 (datadep_stats, dependence_stats): New.
10946 (print_direction_vector): New.
10947 (dump_data_dependence_relation): Use print_direction_vector.
10948 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10949 (compute_subscript_distance): Static.
10950 (initialize_data_dependence_relation): Static. Get the number
10951 of loops surrounding the references from the callers, and initialize
10952 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10953 base_object_differ_p analyzers.
10954 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10955 compute_overlap_steps_for_affine_1_2,
10956 analyze_subscript_affine_affine): Count the classified dependences.
10957 Print a message when a test failed.
10958 (can_use_analyze_subscript_affine_affine): New.
10959 (analyze_siv_subscript): Compute the data dependences on symbolic
10960 scevs that verify can_use_analyze_subscript_affine_affine.
10961 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10962 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10963 Handle symbolic scevs.
10964 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10966 (subscript_dependence_tester): Moved...
10967 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10968 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10969 DDR_SIZE_VECT instead of getting it in parameter.
10970 (subscript_dependence_tester): ... here. Take as a parameter
10971 loop_nest_depth. Call build_classic_dist_vector and
10972 build_classic_dir_vector.
10973 (compute_affine_dependence): Update subscript_dependence_tester
10974 parameters. Update datadep_stats counters. Call
10975 compute_subscript_distance.
10976 (compute_self_dependence): Save the dist and dir vectors. Call
10977 compute_subscript_distance.
10978 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10979 (compute_all_dependences): Reorder parameters as they were before
10980 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10981 compute_subscript_distance. Update the use of
10982 compute_affine_dependence and initialize_data_dependence_relation.
10983 (find_data_references_in_loop): Handle COMPONENT_REF.
10984 (compute_data_dependences_for_loop): Initialize dependence_stats.
10985 Don't call build_classic_dist_vector and build_classic_dir_vector.
10986 Update the parameters of initialize_data_dependence_relation and
10987 compute_all_dependences. Print the statistics from datadep_stats.
10988 (analyze_all_data_dependences): Static. Not used until the pass for
10989 checking the data dependences is contributed.
10990 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10991 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10992 (initialize_data_dependence_relation, compute_affine_dependence,
10993 analyze_all_data_dependences, compute_subscript_distance): Removed.
10994 (print_direction_vector): New.
10995 * lambda.h (gcd): ... here.
10996 (lambda_vector_gcd): Moved here from gcd_vector.
10997 * lambda-code.c (gcd, gcd_vector): Removed.
10998 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10999 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11001 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11003 * ipa-type-escape.c: Tidy some comments and white space.
11004 * tree-ssa-operands.c: Likewise.
11006 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11009 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11010 (dump_decl_name): Do not walk the decl tree chains.
11011 * tree-pass.h (TDF_CHAIN): Remove.
11013 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11015 * Makefile.in (C): Remove
11017 (.PHONY): Remove C and PROTO
11019 2006-02-20 Roger Sayle <roger@eyesopen.com>
11021 PR middle-end/26236
11022 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11023 deprecated CHAR_TYPE tree code.
11025 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11027 * configure.ac (target_list): Add install-info, dvi, html.
11028 * configure: Regenerate.
11030 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11031 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11032 treelang/Make-lang.in: Do not use double-colon rules.
11034 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11036 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11037 (TMT_USED_ALONE): New macro.
11038 * tree-pass.h (PROP_tmt_usage): New property.
11039 (TODO_update_tmt_usage): New todo.
11040 * tree-ssa-alias.c (updating_used_alone): New variable.
11041 (recalculate_used_alone): New function.
11042 (compute_may_aliases): Set updating_used_alone, call
11043 recalculate_used_alone.
11044 * tree-sra.c (pass_sra): Note that this pass destroys
11045 PROP_tmt_usage, and add TODO_update_tmt_usage.
11046 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11047 * tree-flow.h (updating_used_alone): Prototype.
11048 (recalculate_used_alone): Ditto.
11049 * passes.c (execute_todo): Add code to set updating_used_alone,
11050 and call recalculate.
11051 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11052 for clobber if used alone, and add assert to verify used_alone
11055 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11057 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11058 for non tls symbols added.
11059 (legitimize_address): Do nothing for PLUS expressions if one of the
11060 addends is a tls symbol reference.
11062 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11066 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11068 * Makefile.in (BOOTSTRAPPING): New.
11069 (quickstrap): New definition if BOOTSTRAPPING=yes.
11071 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11072 * configure.ac: Substitute all_selected_languages with the languages
11073 that were configured. For all the other variables except
11074 lang_specs_files, include all the languages in the tree.
11075 * configure: Regenerate.
11077 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11078 if there is one. Run the commands to run fixincludes in the same
11081 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11082 * doc/install.texi: Document exact conventions for searching target tools.
11083 Document --with-build-time-tools. Document toplevel bootstrap. Document
11084 something more about building an Ada cross-compiler. Don't list GNU Make
11085 requirements which affect all platforms.
11087 2006-02-19 Roger Sayle <roger@eyesopen.com>
11089 PR middle-end/19543
11090 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11091 only equivalent if the have both the same mode and precision.
11093 2006-02-20 Ben Elliston <bje@au.ibm.com>
11095 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11097 2006-02-19 Roger Sayle <roger@eyesopen.com>
11098 Steven Bosscher <stevenb.gcc@gmail.com>
11100 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11101 constant pool references to identify stack mode constants.
11102 * rtlanal.c (constant_pool_constant_p): New predicate to check
11103 whether operand is a floating point constant in the pool.
11104 * rtl.h (constant_pool_constant_p): Prototype here.
11105 * loop.c (scan_loop): Avoid hoisting constants from the constant
11106 pool on STACK_REGS targets.
11107 (load_mems): Likewise.
11108 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11109 loads into x87 registers expensive in terms of register pressure.
11111 2006-02-19 Roger Sayle <roger@eyesopen.com>
11113 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11114 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11116 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11118 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11119 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11121 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11123 * doc/invoke.texi: Document -fipa-pta.
11124 * common.opt: Add ipa-pta option.
11125 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11126 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11127 (do_ds_constraint): Ditto.
11128 (get_constraint_for): Only add to referenced_vars if
11129 referenced_vars exists.
11130 (insert_into_field_list): Rewrite to do this unsorted.
11131 (insert_into_field_list_sorted): Rename old insert_into_field_list
11133 (create_function_info_for): Use insert_into_field_list_sorted.
11134 (create_variable_info_for): Rewrite so it uses unsorted version,
11135 since the field list is sorted.
11136 (intra_create_variable_infos): Only add to referenced_vars if
11137 referenced_vars exists.
11138 (ipa_pta_execute): Init heapvars, and delete when done.
11139 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11141 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11143 * doc/install.texi: Add missing `@samp'.
11145 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11147 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11150 2006-02-18 Mark Wielaard <mark@klomp.org>
11152 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11153 who added new 4.1 features, bug fixes and integration support.
11155 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11158 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11159 MEM for ABI_V4 pic.
11161 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11163 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11164 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11165 (copy_insn_1): Likewise. Don't copy each field individually.
11167 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11169 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11170 * rtl.c (rtx_size): Rename variable to...
11171 (rtx_code_size): ...this.
11172 (rtx_size): New function.
11173 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11174 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11176 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11177 * rtl.h (rtx_code_size): New variable.
11178 (rtx_size): Change from a variable to a function.
11179 (RTX_SIZE): Rename to...
11180 (RTX_CODE_SIZE): ...this.
11183 PR tree-optimization/17106
11184 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11185 (Anchored Addresses): New section.
11186 * doc/invoke.texi (-fsection-anchors): Document.
11187 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11188 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11189 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11190 * hooks.c (hook_bool_mode_rtx_false): New function.
11191 * hooks.h (hook_bool_mode_rtx_false): Declare.
11192 * gengtype.c (create_optional_field): New function.
11193 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11194 SYMBOL_REF_IN_BLOCK_P is true.
11195 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11196 (min_anchor_offset, max_anchor_offset): Likewise.
11197 (use_anchors_for_symbol_p): New hook.
11198 * toplev.c (compile_file): Call output_object_blocks.
11199 (target_supports_section_anchors_p): New function.
11200 (process_options): Check that -fsection-anchors is only used on
11201 targets that support it and when -funit-at-a-time is in effect.
11202 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11203 if the decl doesn't have one.
11204 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11205 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11206 of force_const_mem through use_anchored_address.
11207 (expand_expr_constant): New function.
11208 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11209 calling expand_expr for INDIRECT_REF.
11210 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11211 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11212 * expr.h (use_anchored_address): Declare.
11213 * loop-unroll.c: Don't declare rtx vectors here.
11214 * explow.c: Include output.h.
11215 (validize_mem): Call use_anchored_address.
11216 (use_anchored_address): New function.
11217 * common.opt (-fsection-anchors): New switch.
11218 * varasm.c (object_block_htab, anchor_labelno): New variables.
11219 (hash_section, object_block_entry_eq, object_block_entry_hash)
11220 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11221 (use_blocks_for_decl_p, change_symbol_section): New functions.
11222 (get_variable_section): New function, split out from assemble_variable.
11223 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11224 use_blocks_for_decl_p say so. Use change_symbol_section if the
11225 symbol has already been created.
11226 (assemble_variable_contents): New function, split out from...
11227 (assemble_variable): ...here. Don't output any code for
11228 block symbols; just pass them to place_block_symbol.
11229 Use get_variable_section and assemble_variable_contents.
11230 (get_constant_alignment, get_constant_section, get_constant_size): New
11231 functions, split from output_constant_def_contents.
11232 (build_constant_desc): Create a block symbol if use_object_blocks_p
11233 says so. Or into SYMBOL_REF_FLAGS.
11234 (assemble_constant_contents): New function, split from...
11235 (output_constant_def_contents): ...here. Don't output any code
11236 for block symbols; just pass them to place_section_symbol.
11237 Use get_constant_section and get_constant_alignment.
11238 (force_const_mem): Create a block symbol if use_object_blocks_p and
11239 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11240 (output_constant_pool_1): Add an explicit alignment argument.
11241 Don't switch sections here.
11242 (output_constant_pool): Adjust call to output_constant_pool_1.
11243 Switch sections here instead. Don't output anything for block symbols;
11244 just pass them to place_block_symbol.
11245 (init_varasm_once): Initialize object_block_htab.
11246 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11247 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11248 (place_block_symbol, get_section_anchor, output_object_block)
11249 (output_object_block_htab, output_object_blocks): New functions.
11250 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11251 (TARGET_ASM_OUT): Include it.
11252 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11253 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11254 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11255 (TARGET_INITIALIZER): Include them.
11256 * rtl.c (rtl_check_failed_block_symbol): New function.
11257 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11258 (block_symbol, object_block): New structures.
11259 (rtx_def): Add a block_symbol field to the union.
11260 (BLOCK_SYMBOL_CHECK): New macro.
11261 (rtl_check_failed_block_symbol): Declare.
11262 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11263 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11264 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11265 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11266 * output.h (output_section_symbols): Declare.
11267 (object_block): Name structure.
11268 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11269 (default_use_anchors_for_symbol_p): Declare.
11270 * Makefile.in (RTL_BASE_H): Add vec.h.
11271 (explow.o): Depend on output.h.
11272 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11273 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11274 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11275 (rs6000_use_blocks_for_constant_p): New function.
11277 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11279 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11281 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11284 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11287 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11289 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11293 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11295 PR middle-end/26334
11296 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11297 instead of DECL_REGISTER.
11299 2006-02-18 Olivier Hainque <hainque@adacore.com>
11302 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11304 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11307 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11308 * opth-gen.awk: Handle Var and InverseMask together.
11309 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11310 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11311 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11312 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11314 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11315 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11316 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11317 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11318 LINUX_DYNAMIC_LINKER): Define.
11319 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11320 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11322 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11323 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11324 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11325 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11326 (TARGET_C99_FUNCTIONS): Don't define.
11327 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11328 GLIBC_DYNAMIC_LINKER.
11329 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11330 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11331 GLIBC_DYNAMIC_LINKER64): Define.
11332 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11333 LINUX_DYNAMIC_LINKER64.
11334 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11335 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11336 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11337 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11338 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11339 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11340 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11341 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11342 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11343 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11344 and LINUX_DYNAMIC_LINKER32.
11345 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11346 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11347 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11348 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11349 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11351 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11352 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11353 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11354 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11355 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11356 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11357 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11358 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11359 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11360 LINUX_DYNAMIC_LINKER): Define.
11361 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11362 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11363 GLIBC_DYNAMIC_LINKER64): Define.
11364 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11365 LINUX_DYNAMIC_LINKER64.
11366 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11367 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11368 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11369 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11370 LINUX_DYNAMIC_LINKER): Define.
11371 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11372 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11373 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11374 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11375 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11376 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11377 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11378 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11379 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11380 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11381 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11382 * doc/invoke.texi (-muclibc): Remove caveat about supported
11385 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11387 * doc/cpp.texi (__TIMESTAMP__): Document.
11389 2006-02-17 Roger Sayle <roger@eyesopen.com>
11391 PR middle-end/25600
11392 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11393 C is one less than the width of X (and related transformations).
11394 * simplify-rtx.c (simplify_unary_operation_1): Transform
11395 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11396 depending on STORE_FLAG_VALUE, were C is one less then the
11399 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11401 Fix PR tree-optimization/26341
11402 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11403 about NAME_MEMORY_TAG's.
11405 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11408 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11409 with hardware float support, and software float support. Add fcpy
11410 alternative to hardware patterns. Add alternatives to copy between
11411 general and floating-point registers to the 32-bit pattern.
11412 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11413 secondary reload to load a QI or HI mode constant into a floating
11415 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11416 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11418 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11421 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11423 (load_macho_picbase_di): Likewise.
11425 2006-02-16 Jeff Law <law@redhat.com>
11427 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11428 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11429 (ssa_name_nonzero_p): Likewise.
11430 (get_value_range): Return NULL if VRP is not running.
11431 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11432 VRP routines do not discover a range.
11433 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11434 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11435 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11436 (tree_expr_nonnegative_p): Similarly.
11437 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11438 (restore_nonzero_vars_to_original_value): Remove.
11439 (unsafe_associative_fp_binop): Remove.
11440 (tree_ssa_dominator_optimize): Remove initialization and
11441 finalization of nonzero_vars and nonzero_vars_stack.
11442 (dom_opt_initialize_block): No longer push marker on
11443 nonzero_vars_stack.
11444 (dom_opt_finalize_block): No longer call
11445 restore_nonzero_vars_to_original_value.
11446 (record_equivalences_from_phis): No longer look for
11447 nonzero PHI arguments.
11448 (cprop_into_successor_phis): No longer propagate nonzero
11449 property into PHI arguments. Lose unused argument. Caller
11451 (record_equivalences_from_stmt): No longer record nonzero
11452 values for SSA_NAMEs.
11453 (lookup_avail_expr): No longer use nonzero_vars.
11455 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11456 for sizetype when sizetype is unsigned.
11458 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11460 PR rtl-optimization/25603
11461 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11462 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11463 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11464 with new meaning of SETS.
11466 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11471 * config/linux.opt: New file.
11472 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11473 LINUX_DYNAMIC_LINKER): Define.
11474 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11475 * config.gcc (*-*-linux*): Define extra_options.
11476 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11477 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11478 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11479 GLIBC_DYNAMIC_LINKER.
11480 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11481 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11482 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11483 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11484 * doc/invoke.texi (GNU/Linux Options): New section.
11486 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11488 * config/sparc/sparc.md (setjmp): Rewrite.
11489 (setjmp_32): Delete.
11490 (setjmp_64): Likewise.
11492 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11494 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11497 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11499 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11502 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11504 PR rtl-optimization/26296
11505 * Makefile.in (loop-invariant.c): Add except.h dependency.
11506 * loop-invariant.c: Include except.h.
11507 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11509 2005-02-16 Paul Brook <paul@codesourcery.com>
11511 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11514 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11516 PR rtl-optimization/25636
11517 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11518 when deciding whether an insn is an initializing insn.
11520 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11522 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11523 (tree_code_size): Ditto.
11524 * tree.h (struct tree_memory_tag): Remove parent_var.
11525 (struct tree_struct_field_tag): New.
11528 (union tree_node): Add sft member.
11529 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11531 (create_sft): Add size and offset argument, set SFT_OFFSET and
11533 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11534 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11535 * tree-flow-inline.h (get_subvar_at): Update for
11536 SFT_OFFSET/SFT_SIZE.
11537 (var_can_have_subvars): Ditto.
11538 (overlap_subvar): Ditto.
11539 * print-tree.c (print_node): Print out interesting things for
11541 * tree-flow.h (struct subvar): Remove offset and size members.
11542 * tree-ssa-operands.c (get_expr_operands): Update for
11543 get_indirect_ref_operands changes.
11544 (get_indirect_ref_operands): Call add_virtual_operand instead of
11545 add_stmt_operand. Only recurse on base var if requested.
11546 (access_can_touch_variable): New function.
11547 (add_stmt_operand): Split virtual operand handling into ...
11548 (add_virtual_operand): Here. Add offset, size, and for_clobber
11549 arguments. Prune alias sets.
11550 (add_call_clobber_ops): Call add_virtual_operand.
11552 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11554 PR middle-end/26300
11555 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11557 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11558 than TREE_CODE as index into omp_clause_num_ops array.
11560 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11562 PR rtl-optimization/26184
11563 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11565 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11566 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11567 must_precede, must_follow and tobe_scheduled.
11570 * opts.c (common_handle_option): Free new_option pointer.
11571 * df-core.c (df_analyze): Free postorder pointer.
11573 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11575 * Makefile.in: Fix the examples about the use of stamps
11577 2006-02-15 Michael Matz <matz@suse.de>
11579 PR middle-end/22275
11581 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11582 influenced by maximum_field_alignment or DECL_PACKED.
11583 (update_alignment_for_field): Ditto.
11584 (place_field): Ditto.
11585 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11588 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11590 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11591 (debug_flow_info): Pass it.
11592 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11593 * bb-reorder.c (reorder_basic_blocks): Likewise.
11594 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11595 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11596 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11597 * gcse.c (gcse_main, bypass_jumps): Likewise.
11598 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11599 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11600 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11601 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11602 * rtl.h (dump_flow_info): Adjust prototype.
11603 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11604 * var-tracking.c (variable_tracking_main): Likewise.
11605 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11606 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11609 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11611 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11614 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11616 PR tree-optimization/26209
11617 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11618 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11620 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11622 2006-02-14 Roger Sayle <roger@eyesopen.com>
11624 PR middle-end/23670
11625 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11626 (X,Y) and the corresponding symmetry related transformations.
11627 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11628 (X,Y) and its symmetry related transformations.
11630 2006-02-14 Roger Sayle <roger@eyesopen.com>
11632 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11635 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11637 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11639 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11642 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11643 support COMDAT group.
11644 * configure: Regenerate.
11646 2006-02-14 Roger Sayle <roger@eyesopen.com>
11648 PR middle-end/26279
11649 PR middle-end/26280
11650 PR middle-end/26283
11651 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11653 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11655 Fix PR tree-optimization/26260
11657 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11659 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11660 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11661 * tree-ssa-structalias.c (create_variable_info_for): Use
11662 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11664 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11666 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11668 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11669 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11670 of the ending condition.
11671 * tree-ssa-loop-manip.c: Include params.h.
11672 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11673 tree_unroll_loop): New functions.
11674 * tree-pass.h (pass_loop_prefetch): Declare.
11675 * loop.c (rest_of_handle_loop_optimize): Test for
11676 -fprefetch-loop-arrays-rtl.
11677 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11678 * timevar.def (TV_TREE_PREFETCH): New timevar.
11679 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11680 pass_loop_prefetch): New.
11681 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11682 (cleanup_tree_cfg_loop): Call scev_reset.
11683 * common.opt (fprefetch-loop-arrays-rtl): Add.
11684 * tree-ssa-loop-prefetch.c: New file.
11685 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11686 (new_temp_expr_table): Initialize expr_vars.
11687 (free_temp_expr_table): Cleanup expr_vars.
11688 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11689 expressions from being merged into one.
11690 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11691 (struct tree_niter_desc): Add control, bound and cmp fields.
11692 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11694 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11695 (tree-cfgcleanup.o): Add SCEV_H dependency.
11696 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11697 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11699 2006-02-14 Richard Guenther <rguenther@suse.de>
11701 PR tree-optimization/26258
11702 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11703 in PHI argument processing.
11705 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11707 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11708 new expression in the requested machine mode.
11710 2006-02-13 Roger Sayle <roger@eyesopen.com>
11712 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11713 directly, instead let do_compare_rtx_and_jump handle this for us.
11714 * expr.c (expand_expr_real_1): Likewise.
11715 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11716 before do_jump_by_parts_greater.
11717 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11718 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11720 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11722 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11724 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11726 PR rtl-optimization/26235
11727 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11728 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11731 2006-02-13 Jeff Law <law@redhat.com>
11733 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11736 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11738 PR middle-end/26092
11739 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11740 twice if decl is a builtin. When trying again, call get_callee_fndecl
11741 first to verify it is still a builtin.
11743 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11745 * dwarf2out.c (base_type_die): Don't add AT_name here.
11746 (subrange_type_die): Don't add AT_name here.
11747 (modified_type_die): Rearrange code flow. Do add AT_name here.
11749 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11751 PR rtl-optimization/26247
11752 PR rtl-optimization/26248
11753 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11755 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11757 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11758 * config/fixtfdi.c: Likewise.
11759 * config/fixunstfdi.c: Likewise.
11760 * config/floatditf.c: Likewise.
11762 2006-02-13 Roger Sayle <roger@eyesopen.com>
11764 PR middle-end/24427
11765 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11766 into (X,C2) if C1 is a subset of the bits of C2. Transform
11767 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11769 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11771 2006-02-13 Josh Conner <jconner@apple.com>
11774 * varasm.c (function_section): Check for section name before
11775 calling select_section on targets that define
11776 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11777 unlikely_text_section instead of hot_function_section if
11778 first_function_block_is_cold.
11780 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11782 PR middle-end/25335
11783 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11785 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11787 PR rtl-optimization/26222
11788 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11789 after tree->rtl expansion.
11790 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11791 before passing it to emit_move_insn.
11793 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11795 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11797 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11798 Clarify documentation.
11799 * c-common.h (warn_write_strings): Remove.
11800 * c-common.c (warn_write_strings): Likewise.
11801 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11804 2006-02-12 Roger Sayle <roger@eyesopen.com>
11806 PR middle-end/25724
11807 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11808 (do_jump_parts_zero_rtx): New function renamed from
11809 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11810 (do_jump_parts_equality_rtx): New function split out from
11811 do_jump_parts_equality. Old implementation renamed as above.
11812 Call do_jump_parts_zero_rtx if either operand is zero.
11813 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11814 do all of the heavy lifting.
11815 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11816 calling either do_jump_by_parts_greater_rtx or
11817 do_jump_by_parts_equality_rtx.
11818 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11819 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11820 moved to do_compare_rtx_and_jump, call it directly.
11821 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11822 mode argument. Call do_compare_rtx_and_jump.
11823 (emit_case_nodes): Update calls to do_jump_if_equal.
11825 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11827 PR rtl-optimization/26225
11828 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11830 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11832 PR rtl-optimization/26232
11833 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11835 2006-02-11 Jason Merrill <jason@redhat.com>
11838 * tree-inline.c (declare_return_variable): Just don't use the
11839 modify target if it's a gimple complex reg and the return slot
11842 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11844 * doc/contrib.texi: Update my entry.
11846 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11848 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11850 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11852 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11855 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11857 * doc/invoke.texi (-floop-optimize2): Removed.
11858 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11859 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11860 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11861 * common.opt (floop-optimize2): Removed.
11862 (fmove-loop-invariants): Enabled by default.
11864 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11866 * tree-if-conv.c (combine_blocks): Free the result of
11867 get_loop_exit_edges.
11869 2006-02-10 Jeff Law <law@redhat.com>
11871 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11873 PR tree-optimization/26213
11874 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11875 loop trying to follow SSA_NAME_VALUE chains.
11877 2006-02-10 Richard Guenther <rguenther@suse.de>
11879 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11880 deal with structures that end in implicitly variable sized arrays.
11882 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11884 PR rtl-optimization/24762
11885 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11888 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11890 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11891 (struct ivopts_data): Add regs_used field.
11892 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11893 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11894 instead of loop_data->regs_used;
11895 (free_loop_data): Do not free aux fields for loops.
11896 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11897 and tree_ssa_iv_optimize_finalize.
11899 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11901 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11903 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11906 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11907 computing the effective result type.
11909 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11911 PR inline-asm/16194
11912 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11913 (tree_overlaps_hard_reg_set): Declare.
11914 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11915 type and signature to match function type expected by walk_tree.
11916 (tree_overlaps_hard_reg_set): New function.
11917 (decl_conflicts_with_clobbers_p): Rename to:
11918 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11919 Use tree_overlaps_hard_reg_set. Changed caller.
11920 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11921 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11922 * cris.c (cris_md_asm_clobbers): Likewise.
11924 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11926 * reload1.c (emit_input_reload_insns): Delete code that tries to
11927 inherit using find_equiv_reg.
11929 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11931 * c-common.h (flag_const_strings): Don't declare.
11932 * c-common.c (flag_const_strings): Remove.
11933 * c.opt (fconst_strings): Remove.
11934 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11935 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11936 (c_common_init_options): Don't set flag_const_strings.
11937 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11939 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11941 * arm.md (tlobits_cbranch): New pattern.
11942 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11943 testing a single bit.
11945 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11948 * tree-ssa-pre.c (create_component_ref_by_pieces):
11949 Handle RETURN_DECL like VAR_DECL.
11951 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11953 PR middle-end/26134
11954 * fold-const.c (fold_indirect_ref_1): Fold
11955 "*(foo *)&complexfoo" to "__real__ complexfoo"
11956 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11958 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11960 * tree-flow-inline.h (var_can_have_subvars):
11961 Volatile variables should not have subvariables.
11963 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11966 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11967 multiplying unsigned values.
11970 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11972 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11974 2006-02-08 Jason Merrill <jason@redhat.com>
11977 * tree.def: Elaborate on difference from MODIFY_EXPR.
11978 * doc/c-tree.texi (INIT_EXPR): Likewise.
11979 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11980 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11981 (gimplify_target_expr): Likewise.
11982 (gimplify_cond_expr): Remove target handling.
11983 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11984 (gimplify_expr): Clobber it here.
11985 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11986 Do return slot optimization if we have an INIT_EXPR.
11989 * tree-inline.c (declare_return_variable): Also clear
11990 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11993 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11995 PR middle-end/22439
11996 * gimplify.c (gimplify_one_sizepos): Fix typo.
11998 2006-02-08 Jeff Law <law@redhat.com>
12000 PR tree-optimization/21417
12001 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12002 across a backedge if the control statement at the end of the
12003 block is data dependent on other statements in the same block.
12004 (record_temporary_equivalences_from_stmts): Remove over-conservative
12005 test for threading across backedges.
12007 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12008 control statement, handle all three special cases in the same
12009 manner as they all have the same desired solution. No longer
12010 special case edge flag updating when the post dominator is
12013 2006-02-08 Roger Sayle <roger@eyesopen.com>
12015 * tree.def (CHAR_TYPE): Remove.
12016 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12017 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12018 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12019 (gen_string_type_die): Delete unreachable function.
12021 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12022 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12023 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12024 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12025 * builtins.c (type_to_class): Likewise.
12026 * fold-const.c (fold_convert, build_range_check,
12027 merge_ranges): Likewise.
12028 * expr.c (count_type_elements): Likewise.
12029 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12030 * stor-layout.c (layout_type): Likewise.
12031 * ipa-type-escape.c (type_to_consider): Likewise.
12032 * gimplify.c (omp_firstprivatize_type_sizes,
12033 gimplify_type_sizes): Likewise.
12034 * explow.c (promote_mode): Likewise.
12035 * tree-sra.c (is_sra_scalar_type): Likewise.
12036 * varasm.c (output_constant): Likewise.
12037 * tree-inline.c (remap_type_1): Likewise.
12038 * convert.c (convert_to_pointer, convert_to_real,
12039 convert_to_integer, convert_to_complex): Likewise.
12041 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12043 * df-scan.c (df_def_record_1): A set destination may
12044 be a parallel regardless of mode.
12046 2006-02-08 Roger Sayle <roger@eyesopen.com>
12049 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12050 * config/mips/_tilib.c: Remove.
12051 * config/fixtfdi.c: New libgcc source file.
12052 * config/fixunstfdi.c: New source file.
12053 * config/floatditf.c: New source file.
12054 * config/floatunditf.c: New souce file.
12055 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12056 files above instead of config/mips/_tilib.c.
12057 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12059 2006-02-08 Jeff Law <law@redhat.com>
12061 PR tree-optimization/26169
12062 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12065 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12067 * df.h (DF_REG_SIZE): Return the length of the initialized
12070 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12072 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12073 __muldf3): Return a correctly signed zero.
12075 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12077 * passes.c (register_one_dump_file): Accept the current properties
12078 instead of pass number. Adjust call to dump_register. Remove
12080 (register_dump_files): Now a wrapper around...
12081 (register_dump_files_1): ... this one. Do not modify the pass
12083 (next_pass_1): Cosmetic fix.
12084 (execute_todo): Keep second parameter only. Use curr_properties
12085 instead of fetching it from the pass structure. Check and set
12087 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12088 instead of fetching it from the pass structure. Fix calls to
12089 execute_todo. Update curr_properties and initialize .vcg RTL dump
12090 after running the pass. Reset last_verified.
12091 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12093 (FIRST_AUTO_NUMBERED_DUMP): New.
12094 (dump_register): Remove "num" parameter, assign it within the
12096 (get_dump_file_name): Modify template for dumps.
12097 * tree-dump.h (dump_register): Adjust prototype.
12098 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12099 (PROP_trees): Add PROP_gimple_lomp.
12100 (TODO_set_props): New.
12101 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12102 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12103 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12105 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12107 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12108 (sparc64-*-linux*): Likewise.
12109 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12110 * config/sparc/t-linux: New file.
12111 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12112 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12113 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12114 -m32 -mlong-double-128.
12116 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12117 * config/alpha/t-linux: New file.
12118 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12120 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12121 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12122 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12123 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12124 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12125 (CPP_ARCH32_SPEC): Remove.
12127 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12129 PR tree-optimization/26145
12130 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12133 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12136 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12137 >= 240000 when generating code for SOM runtime.
12138 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12139 to $$dyncall when generating code for SOM runtime..
12141 2006-02-07 Dirk Mueller <dmueller@suse.com>
12144 * doc/invoke.texi (-Wsequence-point): Update documentation
12145 that -Wsequence-point is implemented for C++ as well.
12147 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12149 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12150 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12151 (LIB_SPEC): Likewise.
12152 * doc/invoke.texi (SPARC options): Document -pthread.
12154 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12156 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12159 2006-02-07 Roger Sayle <roger@eyesopen.com>
12161 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12162 Correct comment describing BOOLEAN_TYPE.
12164 2006-02-07 Dirk Mueller <dmueller@suse.com>
12166 * c.opt: C++ frontend supports -Wdiv-by-zero.
12167 * c-opts.c (c_common_handle_option): Remove dead case.
12169 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12171 * configure.ac (TLS assembler check): Do not enable TLS by
12172 default on SPARC/Solaris before version 10.
12173 * configure: Regenerate.
12175 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12177 * doc/invoke.texi (xl-compat): Document conversion and support
12180 2006-02-07 Jeff Law <law@redhat.com>
12182 * tree-vrp.c (find_conditional_asserts): Update comments.
12183 (simplify_stmt_for_jump_threading): New.
12184 (identify_jump_threads, finalize_jump_threads): New.
12185 (vrp_finalize): Call identify_jump_threads.
12186 (execute_vrp): Call finalize_jump_threads.
12187 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12188 (vrp_element, vrp_data, vrp_element_p): Remove.
12189 (vrp_hash_elt, vrp_variables_stack): Remove.
12190 (vrp_hash, vrp_eq, record_range): Remove.
12191 (simplify_cond_and_lookup_avail_expr): Remove.
12192 (extract_range_from_cond): Remove.
12193 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12194 (simplify_stmt_for_jump_threading): New.
12195 (dom_thread_across_edge): New wrapper.
12196 (tree_ssa_dominator_optimize): No longer initialize or
12197 finalize any of the VRP datastructures. Remove iteration
12198 step and simplify as a result of removal of iteration step.
12199 (pass_dominator): Perform a cfg cleanup after DOM.
12200 (dom_opt_finalize_block): Use the new common routines
12201 for threading jumps. Simplify stack management slightly.
12202 No longer need to unwind VRP state.
12203 (record_equivalences_from_incoming_edge): No longer record
12205 (eliminate_redundant_computations): No longer call
12206 simplify_cond_and_lookup_avail_expr.
12207 * tree-flow.h (potentially_threadable_block): Prototype.
12208 (thread_across_edge): Likewise.
12209 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12210 (tree-ssa-threadedge.o): Add dependencies.
12211 * tree-ssa-threadedge.c: New file.
12212 * passes.c (init_optimization_passes): Merge PHIs before
12213 calling VRP. Run VRP again late in the SSA optimization pipeline.
12215 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12217 * df-core.c (df_set_blocks): Do not dereference function pointers.
12218 (df_finish1): Likewise.
12219 (df_hybrid_search_forward): Likewise.
12220 (df_hybrid_search_backward): Likewise.
12221 (df_iterative_dataflow): Likewise.
12222 (df_analyze_problem): Likewise.
12223 (df_compact_blocks): Likewise.
12224 (df_dump): Likewise.
12225 * df-scan.c (df_rescan_blocks): Likewise.
12226 (df_record_entry_block_defs): Likewise.
12228 * genconditions.c (write_conditions): Guard the definition of
12229 'insn_conditions' with the check on GCC version.
12230 (write_writer): Guard the traversal 'insn_conditions' with
12231 the check on GCC version.
12233 2006-02-07 Richard Guenther <rguenther@suse.de>
12237 2006-01-30 Richard Guenther <rguenther@suse.de>
12239 * gimplify.c (gimplify_target_expr): Handle easy cases
12240 without creating a temporary.
12242 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12244 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12245 use of float in probability computations. Use edge probabilities
12246 in place of statically computed probabilities.
12247 (min_spec_prob): New static variable.
12248 (schedule_insns): Initialize it.
12249 (GET_SRC_PROB): Removed.
12250 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12252 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12255 * config/ia64/unwind-ia64.c: Revert last change.
12256 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12257 (INCOMING_FRAME_SP_OFFSET): Define.
12259 2006-02-06 Roger Sayle <roger@eyesopen.com>
12261 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12263 2006-02-07 Ben Elliston <bje@au.ibm.com>
12265 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12266 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12267 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12268 (ix86_return_in_memory): Handle TDmode.
12269 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12270 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12272 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12274 * reorg.c (dbr_schedule): Use dump_file instead of file.
12276 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12279 * config/ia64/predicates.md (extr_len_operand): New predicate.
12280 * config/ia64/ia64.md (extv): Tighten constraints.
12282 (*tbit_and_2): Ditto.
12283 (*tbit_and_3): Ditto.
12284 (*tbit_or_2): Ditto.
12285 (*tbit_or_3): Ditto.
12286 (*bit_zero): Ditto.
12289 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12292 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12294 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12296 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12297 loop_optimizer_init and loop_optimizer_finalize
12298 * tree-ssa-sink.c (execute_sink_code): Ditto.
12299 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12300 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12301 tree_ssa_loop_done): Ditto.
12302 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12303 * sched-ebb.c: Include output.h.
12304 (schedule_ebbs): Do not use dump argument.
12305 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12306 * loop.c (loop_dump_stream): Removed.
12307 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12309 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12310 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12311 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12312 loop_iterations, strength_reduce, record_biv, record_giv,
12313 final_giv_value, check_final_value, check_ext_dependent_givs,
12314 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12315 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12316 dump_file instead of loop_dump_stream.
12317 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12318 argument dump_file.
12319 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12321 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12322 * haifa-sched.c: Include output.h
12323 (schedule_insns, sched_init): Do not use dump argument.
12324 * mode-switching.c (optimize_mode_switching): Ditto.
12325 * modulo-sched.c (stats_file): Removed.
12326 (print_node_sched_params): Do not call argument dump_file.
12327 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12328 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12330 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12332 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12333 rtl_loop_init, rtl_loop_done): Ditto.
12334 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12335 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12337 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12338 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12339 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12340 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12341 * emit-rtl.c (renumber_insns): Ditto.
12342 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12343 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12344 * regclass.c (regclass): Ditto.
12345 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12346 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12347 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12348 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12350 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12351 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12353 * gcse.c (gcse_file, debug_stderr): Removed.
12354 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12355 rest_of_handle_gcse): Do not use dump argument.
12356 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12357 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12358 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12359 compute_code_hoist_vbeinout, compute_code_hoist_data,
12360 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12361 compute_store_table, build_store_vectors, insert_insn_start_bb,
12362 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12363 store_motion): Use dump_file instead of gcse_file.
12364 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12365 * profile.c (profile_dump_file): Removed.
12366 (branch_prob): Use dump_file instead of profile_dump_file.
12367 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12369 * tree-ssa-copy.c (dump_copy_of): Ditto.
12370 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12371 dump file to life_analysis.
12372 * bt-load.c (branch_target_load_optimize): Ditto.
12373 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12375 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12376 regclass, dbr_schedule): Declaration changed.
12377 * sched-int.h (sched_init): Declaration changed.
12378 * tree-profile.c (tree_profile_dump_file): Removed.
12379 (tree_profile_hooks): Removed profile_dump_file hook.
12380 * rtl-profile (rtl_profile_dump_file): Removed.
12381 (rtl_profile_hooks): emoved profile_dump_file hook.
12382 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12384 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12385 * tree-cfg.c (build_tree_cfg): Ditto.
12386 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12387 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12388 Declaration changed.
12389 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12390 life_analysis and schedule_insns.
12391 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12393 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12395 * config/mips/mips.c (mips_reorg): Ditto.
12396 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12399 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12401 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12402 (s390_mangle_fundamental_type): New.
12403 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12406 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12407 (alpha_mangle_fundamental_type): New.
12408 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12411 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12413 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12415 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12416 (sparc_mangle_fundamental_type): New.
12418 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12420 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12421 (s390x-*-linux*): Likewise.
12422 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12423 * config/s390/t-linux: New file.
12425 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12427 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12428 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12430 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12432 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12433 (ANTIC_SAFE_LOADS): New macro.
12434 (find_or_generate_expression): Add prototype.
12435 (set_contains_value): Allow null set for sake of not always having
12436 to allocate ANTIC_SAFE_LOADS.
12437 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12438 Allow COMPONENT_REF too.
12439 (valid_in_set): Allow COMPONENT_REF.
12440 Check ANTIC_SAFE_LOADS too.
12441 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12442 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12444 (can_PRE_operation): Add COMPONENT_REF.
12445 (create_component_ref_by_pieces): New function.
12446 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12447 (insert_aux): Move AGGREGATE_TYPE_P check here.
12448 (compute_avail): Set bb local stmt uids.
12449 (pass_pre): Use TODO_update_ssa_only_virtuals.
12451 2006-02-06 Ben Elliston <bje@au.ibm.com>
12453 * configure.ac: Unconditionally disable decimal float by default.
12454 * configure: Regenerate.
12456 2006-02-06 Ben Elliston <bje@au.ibm.com>
12458 * read-rtl.c (read_name): Terminate reading on EOF.
12460 2006-02-06 Ben Elliston <bje@au.ibm.com>
12462 * dfp.c (decimal_real_arithmetic): Change second argument type
12463 from int to enum tree_code. Do not always return true, but now
12464 return result of any call to decimal_do helper functions.
12465 * dfp.h (decimal_real_arithmetic): Update prototype.
12467 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12469 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12471 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12474 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12477 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12479 * tree-vrp.c (cfg_loops): Removed.
12480 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12481 Use current_loops instead of cfg_loops. Pass flags to
12482 loop_optimizer_init.
12483 * cfgloopmanip.c (fix_loop_structure): Update only available
12485 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12486 loop_optimizer_init.
12487 * modulo-sched.c (build_loops_structure): Removed.
12488 (sms_schedule): Use loop_optimizer_init.
12489 * loop-init.c (loop_optimizer_init): Use flags to determine
12490 which properties of loops to prepare.
12491 (rtl_loop_init): Pass flags to loop_optimizer_init.
12492 * tree-ssa-sink.c (execute_sink_code): Ditto.
12493 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12494 * tree-ssa-pre.c (init_pre): Ditto.
12495 * cfgloop.h (LOOPS_NORMAL): New.
12496 (loop_optimizer_init): Declaration changed.
12498 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12500 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12501 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12503 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12505 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12507 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12508 * pa/t-pa64: Delete quadlib.c rule.
12509 * pa/x-ada: Revert last change.
12510 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12512 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12514 PR rtl-optimization/26087
12515 * rtlanal.c (canonicalize_condition): Do not cross basic block
12518 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12521 * config/ia64/ia64.c: Include debug.h.
12522 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12523 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12524 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12525 (process_epilogue, process_set, process_for_unwind_directive):
12526 Output unwind info only if requested. Add CFA info if requested.
12527 Add new arguments as needed. Adjust callers.
12528 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12530 (DWARF2_FRAME_INFO): Define to zero.
12531 * config/ia64/unwind-ia64.c: Remove code that compensated for
12532 the CFA offset error fixed above.
12533 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12534 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12535 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12536 -funwind-tables and -fexceptions to enable frame info.
12537 (dwarf2out_frame_init): Define initial CFA even if
12538 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12539 DWARF2_UNWIND_INFO is nonzero, not just defined.
12540 (dwarf2out_frame_finish): Output non-EH call frame info only
12541 if DWARF2_FRAME_INFO is nonzero.
12542 (convert_cfa_to_loc_list,
12543 compute_frame_pointer_to_cfa_displacement): Define even if
12544 unwind info is not supported.
12545 (gen_subprogram_die): Use the above unconditionally. Remove
12546 legacy alternate code.
12547 * toplev.c (compile_file): Compile in call to
12548 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12549 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12551 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12552 Jakub Jelinek <jakub@redhat.com>
12554 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12555 IBM extended float format long double as "g" on powerpc*-linux.
12557 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12560 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12561 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12563 2006-02-03 Jason Merrill <jason@redhat.com>
12566 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12568 PR middle-end/25977
12569 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12570 on the return slot if it's an NRV.
12572 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12574 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12575 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12576 rewrite_use): Do not handle USE_OUTER.
12577 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12578 add_iv_outer_candidates, may_replace_final_value,
12579 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12580 (find_interesting_uses_op): Functionality of
12581 find_interesting_uses_outer_or_nonlin moved here.
12582 (find_interesting_uses_outside): Use find_interesting_uses_op.
12584 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12587 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12589 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12590 Ulrich Weigand <uweigand@de.ibm.com>
12593 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12594 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12595 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12596 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12598 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12599 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12600 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12601 Define secondary reloads for TFmode moves.
12602 (constant_modes): Add TFmode.
12603 (NR_C_MODES): Set to 8.
12604 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12606 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12607 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12608 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12609 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12610 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12611 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12612 (FPR mode macro): Add TFmode.
12613 (DSF mode macro): New.
12614 (<de>, <dee> mode attributes): Removed.
12615 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12616 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12617 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12618 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12619 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12620 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12621 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12622 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12623 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12624 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12625 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12626 "*negabs<mode>2", "sqrt<mode>2"):
12627 Changed <de> to <xde>. R constraint replaced by <Rf>.
12628 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12630 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12631 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12632 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12634 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12635 "extenddftf2", "extendsftf2"): New expanders.
12636 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12637 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12638 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12639 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12641 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12642 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12643 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12644 __floatditf): Add a GCC_4.1.0 symbol version tag.
12645 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12648 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12651 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12652 Use targetm.binds_local_p instead of TREE_PUBLIC.
12654 2006-02-02 Roger Sayle <roger@eyesopen.com>
12656 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12657 on INTEGER_TYPEs to indicate that it denotes a character type.
12658 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12659 signed_char_type_node, unsigned_char_type_node and char_type_node.
12660 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12661 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12662 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12664 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12665 Daniel Berlin <dberlin@dberlin.org>
12667 * tree-tailcall.c (arg_needs_copy_p): New function.
12668 (eliminate_tail_call): Use arg_needs_copy_p.
12669 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12670 (add_virtual_phis): New function.
12672 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12674 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12675 #ignore instead of #scratch for %g7 .register directive.
12677 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12679 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12682 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12684 * flow.c (calculate_global_regs_live): Assert that there aren't any
12687 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12689 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12690 what its name says.
12691 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12692 bsi_after_labels iterator.
12693 * tree-if-conv.c (find_phi_replacement_condition,
12694 replace_phi_with_cond_modify_expr): Likewise.
12695 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12696 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12698 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12700 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12702 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12705 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12706 array after growing it.
12708 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12710 PR middle-end/24901
12711 * fold-const.c (fold_checksum_tree): Change type of buf.
12713 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12715 * reload.c (push_secondary_reload): Initialize t_icode.
12717 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12719 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12720 -msoft-float -mlong-double-128 only issue a warning, but don't
12721 swich to DFmode long double.
12723 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12725 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12726 has a constant equivalent, iterate over equivalents for arg0,
12727 calling simplify_relational_operation and if there's a result
12728 cheaper than X, apply fold_rtx and return the result.
12730 2006-02-01 Jan Hubicka <jh@suse.cz>
12732 * opts.c (no_unit_at_a_time_default): New global variable.
12733 (decode_options): Use it.
12734 * opts.h (no_unit_at_a_time_default): Declare.
12736 2006-02-01 Paul Brook <paul@codesourcery.com>
12738 * function.c (assign_parm_setup_reg): Use function argument promotion
12740 * expr.c (expand_expr_real_1): Use function argument promotion rules
12743 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12745 * gcc.c (process_command): Change j to 'unsigned int'.
12747 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12749 PR middle-end/26001
12750 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12751 Use the corrected index for the character
12752 out of the string constant.
12754 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12756 * mode-switching.c (optimize_mode_switching): Fix size
12757 allocated for bb_info[n_entities].
12759 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12761 * gcc.c (main): Correct type that is allocated for
12762 explicit_link_files.
12764 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12766 * config/s390/s390.c (init_alignment_context): Set
12767 ALIAS_SET_MEMORY_BARRIER on the MEM.
12768 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12770 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12772 PR middle-end/25933
12773 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12775 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12778 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12780 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12781 * regrename.c: Ditto.
12782 * tree-ssa-loop-im.c: Ditto.
12783 * tree-dump.c: Ditto.
12784 * tree-complex.c: Ditto.
12785 * genrecog.c: Ditto.
12786 * tree-ssa-threadupdate.c: Ditto.
12788 * java/class.c: Ditto.
12789 * java/jcf-parse.c: Ditto.
12790 * java/resource.c: Ditto.
12791 * java/except.c: Ditto.
12792 * java/jvspec.c: Ditto.
12793 * java/jcf-write.c: Ditto.
12794 * java/jcf-path.c: Ditto.
12795 * java/gjavah.c: Ditto.
12796 * java/zextract.c: Ditto.
12797 * java/jcf-io.c: Ditto.
12798 * java/jcf.h: Ditto.
12799 * java/buffer.c: Ditto.
12800 * java/lang.c: Ditto.
12801 * java/parse-scan.y: Ditto.
12802 * java/lex.c: Ditto.
12803 * java/lex.h: Ditto.
12804 * cfgloopmanip.c: Ditto.
12805 * postreload-gcse.c: Ditto.
12806 * tree-ssa-loop-manip.c: Ditto.
12807 * postreload.c: Ditto.
12808 * tree-ssa-loop-ch.c: Ditto.
12811 * cppspec.c: Ditto.
12812 * diagnostic.c: Ditto.
12814 * genoutput.c: Ditto.
12816 * cfghooks.c: Ditto.
12817 * cfgloopanal.c: Ditto.
12818 * objc/objc-act.c: Ditto.
12820 * genextract.c: Ditto.
12821 * genautomata.c: Ditto.
12822 * pretty-print.c: Ditto.
12823 * genemit.c: Ditto.
12824 * cgraphunit.c: Ditto.
12826 * df-scan.c: Ditto.
12827 * haifa-sched.c: Ditto.
12828 * dominance.c: Ditto.
12830 * tree-ssa-loop-ivopts.c: Ditto.
12831 * df-core.c: Ditto.
12832 * mode-switching.c: Ditto.
12833 * modulo-sched.c: Ditto.
12835 * ipa-pure-const.c: Ditto.
12837 * fix-header.c: Ditto.
12839 * tree-stdarg.c: Ditto.
12840 * ipa-utils.c: Ditto.
12841 * loop-init.c: Ditto.
12842 * ipa-inline.c: Ditto.
12843 * cfganal.c: Ditto.
12845 * alloc-pool.c: Ditto.
12846 * dwarf2out.c: Ditto.
12848 * genattrtab.c: Ditto.
12849 * tree-ssa-loop-ivcanon.c: Ditto.
12850 * predict.c: Ditto.
12851 * timevar.c: Ditto.
12853 * fortran/gfortranspec.c: Ditto.
12854 * regmove.c: Ditto.
12855 * local-alloc.c: Ditto.
12856 * langhooks.c: Ditto.
12857 * function.c: Ditto.
12858 * tree-vectorizer.c: Ditto.
12860 * ipa-type-escape.c: Ditto.
12862 * tree-if-conv.c: Ditto.
12863 * profile.c: Ditto.
12865 * tree-data-ref.c: Ditto.
12866 * loop-unroll.c: Ditto.
12867 * treelang/treetree.c: Ditto.
12869 * bt-load.c: Ditto.
12870 * ggc-common.c: Ditto.
12872 * coverage.c: Ditto.
12874 * tree-cfgcleanup.c: Ditto.
12875 * tree-ssa-pre.c: Ditto.
12876 * cfgcleanup.c: Ditto.
12877 * loop-invariant.c: Ditto.
12878 * loop-iv.c: Ditto.
12879 * ipa-prop.c: Ditto.
12880 * print-tree.c: Ditto.
12881 * conflict.c: Ditto.
12882 * ggc-page.c: Ditto.
12883 * sched-deps.c: Ditto.
12884 * regclass.c: Ditto.
12885 * tree-object-size.c: Ditto.
12886 * combine.c: Ditto.
12887 * bb-reorder.c: Ditto.
12888 * resource.c: Ditto.
12889 * var-tracking.c: Ditto.
12890 * cfgloop.c: Ditto.
12891 * df-problems.c: Ditto.
12892 * reg-stack.c: Ditto.
12894 * gccspec.c: Ditto.
12895 * sched-rgn.c: Ditto.
12896 * tree-ssa-structalias.c: Ditto.
12897 * tree-ssa-reassoc.c: Ditto.
12898 * config/darwin-c.c: Ditto.
12899 * config/darwin.c: Ditto.
12900 * config/arm/arm.c: Ditto.
12902 * collect2.c: Ditto.
12903 * reload1.c: Ditto.
12905 2006-01-31 Nicolas Pitre <nico@cam.org>
12907 * arm.md (smaxsi3): Make aware of smax_m1.
12910 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12912 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12914 2006-01-31 Richard Guenther <rguenther@suse.de>
12916 * doc/invoke.texi (-msselibm): Document.
12917 * target.h (expand_library_builtin): New target hook.
12918 * builtins.c (expand_builtin): Use expand_library_builtin.
12919 (default_expand_library_builtin): New function.
12920 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12921 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12922 (link_gcc_math_spec): Declare.
12923 (static_specs): Add link_gcc_math_spec.
12924 * expr.h (default_expand_library_builtin): Declare.
12925 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12926 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12927 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12928 * config/i386/i386.opt (msselibm): New target option.
12929 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12930 (ix86_init_sse_abi_builtins): New function.
12931 (ix86_expand_library_builtin): Likewise.
12932 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12933 (override_options): Handle error conditions wrt -msselibm.
12934 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12935 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12936 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12939 2006-01-31 Richard Guenther <rguenther@suse.de>
12940 Paolo Bonzini <bonzini@gnu.org>
12942 * doc/install.texi (--disable-libgcc-math): Document.
12944 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12946 * expr.h (expand_normal): new inline function.
12947 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12948 * dojump.c: use it.
12949 * dwarf2out.c: use it.
12952 * expmed.c: use it.
12953 * except.c: use it.
12954 * config/sparc/sparc.c: use it.
12955 * config/i386/i386.c: use it.
12956 * config/rs6000/rs6000.c: use it.
12957 * config/arm/arm.c: use it.
12958 * config/mips/mips.c: use it.
12959 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12961 2006-01-30 Roger Sayle <roger@eyesopen.com>
12963 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12964 argv to the appropriate type.
12966 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12968 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12971 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12974 * config/s390/s390.c (struct machine_function): New flag
12975 decomposed_literal_pool_addresses_ok_p.
12976 (s390_reorg): Set it before final stage of literal pool transforms.
12977 (s390_decompose_address): Only accept displacements of the form
12978 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12980 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12982 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12983 the comparison routine return.
12985 2006-01-30 Michael Matz <matz@suse.de>
12987 * global.c (find_reg): Only evict for global regs.
12988 Take n_refs into account and dump more info.
12990 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12993 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12994 (pragma_trap, pragma_nosave_low_regs): Likewise.
12995 (current_function_anonymous_args): Likewise.
12996 (sh_deferred_function_attributes): New variable.
12997 (sh_deferred_function_attributes_tail): Likewise.
12998 (print_operand): For '@', look up trap_exit attribute.
12999 (calc_live_regs): Look up trapa_handler attribute. For trapa
13000 handlers, save/restore fpscr, but don't do any other
13001 interrupt-specific saves.
13002 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13003 Fix check for partially saved registers to check for SHmedia.
13004 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13005 (sh_output_function_epilogue): Don't clear any of the removed
13007 (sh_insert_attributes): Don't check pragma_interrupt.
13008 Insert deferred attributes. Check that interrupt attribute is
13009 present for other attributes that require its presence.
13010 (sh_attribute_table): Add new attributes trapa_handler and
13012 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13013 Don't check for pragma_interrupt. Don't store argument.
13014 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13015 (sh_deferred_function_attributes): Declare.
13016 (sh_deferred_function_attributes_tail): Likewise.
13017 * sh.md (sp_switch_1): Add operand. Change generator caller.
13018 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13019 (*return_i): Don't use when trap_exit attribute is in effect.
13020 (*return_trapa): New insn pattern.
13021 * sh-c.c: New file.
13022 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13023 setting c_target_objs and cxx_target_objs.
13024 * t-sh: Add rule for sh-c.o.
13026 2006-01-30 Richard Guenther <rguenther@suse.de>
13029 * gimplify.c (gimplify_target_expr): Handle easy cases
13030 without creating a temporary.
13032 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13034 * vec.h (safe_grow): Remove duplicated line.
13036 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13039 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13040 (expand_omp): ... here.
13041 (expand_omp_parallel): Only remove barriers for combined
13042 parallel+workshare constructs.
13044 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13048 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13049 * tree.c (build_qualified_type): Chain the new type to the original
13050 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13051 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13052 (build_pointer_type_for_mode): Only return unqualified types.
13053 (build_reference_type_for_mode): Likewise.
13055 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13057 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13058 * Makefile.in (CXX_COMPAT_WARN): Define.
13059 * configure: Regenerate.
13061 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13064 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13067 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13069 * toplev.c: Fix thinko.
13071 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13072 Marcin Dalecki <martin@dalecki.de>
13074 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13075 (push_srcloc): Use XNEW.
13076 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13078 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13080 * df-core.c (df_set_blocks): Deleted all variable.
13082 2006-01-28 Ian Lance Taylor <ian@airs.com>
13084 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13085 cgraph_output_pending_asms.
13087 2006-01-28 Zack Weinberg <zackw@panix.com>
13089 * c.opt: Add -W(no-)overlength-strings.
13090 * doc/invoke.texi: Document it.
13091 * c-opts.c (c_common_handle_option): -pedantic implies
13092 -Woverlength-strings, if not explicitly disabled already.
13093 (c_common_post_options): -Woverlength-strings defaults to off, and
13094 is always off for C++.
13095 * c-common.c (fix_string_type): Issue warning about strings longer
13096 than is portable only if warn_overlength_strings. Rearrange code
13097 a little for clarity.
13098 * configure.in: Check for -Wno-overlength-strings as well before
13099 enabling -pedantic in stage 1.
13100 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13101 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13103 * genconditions.c (write_header, write_one_condition)
13104 (write_conditions, write_writer): Consolidate very long strings
13105 that were broken up to fit in C89 portable limit. Don't use
13106 printf when fputs will do.
13108 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13110 * combine.c (simplify_comparison <AND>): Check
13111 TRULY_NOOP_TRUNCATION before start using a subreg.
13113 * config/mips/mips.md (*branch_zero<mode>,
13114 *branch_zero<mode>_inverted, *branch_equality<mode>,
13115 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13116 Remove mode check from comparisons.
13118 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13120 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13122 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13124 * expmed.c (const_mult_add_overflow_p): Remove.
13125 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13127 * recog.c (validate_replace_rtx_subexp): Remove.
13128 * recog.h: Remove the prototype for
13129 validate_replace_rtx_subexp.
13131 * integrate.h: Remove the prototype for
13132 copy_decl_for_inlining.
13133 * rtl.h: Remove the prototype for mark_constant_function.
13134 * tree-vectorizer.h: Remove the prototype for
13135 vect_strip_conversion.
13137 * modulo-sched.c (create_partial_schedule,
13138 free_partial_schedule, reset_partial_schedule): Make them
13141 * hooks.c (hook_bool_rtx_int_false): Remove.
13142 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13144 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13146 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13147 and -mlong-double-128 are incompatible.
13148 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13149 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13150 (TARGET_LIBGCC2_CFLAGS): Define.
13151 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13152 (TARGET_LIBGCC2_CFLAGS): Same.
13153 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13155 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13158 * c-typeck.c (build_binary_op): Perform implicit casts of
13159 operands before shortening them.
13161 * cfgloopmanip.c (split_loop_bb): Remove.
13162 * cfgloop.h: Remove the prototype for split_loop_bb.
13164 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13165 * cfgloop.h: Remove the prototype for
13166 flow_loop_outside_edge_p.
13168 * emit-rtl.c (init_virtual_regs): Make it static.
13169 * function.h: Remove the prototype for init_virtual_regs.
13171 * recog.c (peephole2_optimize): Make it static.
13172 * recog.h: Remove the prototype for peephole2_optimize.
13174 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13176 * df-scan.c (df_record_entry_block_defs): Check if
13177 INCOMING_RETURN_ADDR_RTX is defined.
13179 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13180 Kenneth Zadeck <zadeck@naturalbridge.com>
13182 PR rtl-optimization/24762
13183 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13184 * targhooks.c (hook_void_bitmap): New hook prototype.
13185 * targhoohs.h (hook_void_bitmap): Ditto.
13186 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13187 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13188 * target.h (live_on_entry): New function pointer.
13189 * df-scan.c (df_all_hard_regs): Removed.
13190 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13191 (df_scan_free_internal): Added df->entry_block_defs.
13192 (df_scan_alloc): Ditto.
13193 (df_scan_dump): Ditto.
13194 (df_uses_record): Plumbed flag field properly thru calls.
13195 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13196 This part fixes PR24762.
13197 (df_bb_refs_record): Added code to make the frame and arg
13198 pointers live in EH blocks.
13199 (df_refs_record): Added call to df_record_entry_block_defs.
13200 (df_record_entry_block_defs): New function.
13201 * df-core.c: Added comments to describe new artifical defs.
13202 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13203 (entry_block_defs): New field in struct df.
13204 (df_all_hard_regs): Deleted.
13205 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13206 * df-problems.c (df_ru_bb_local_compute_process_def):
13207 Added code to handle artifical defs in the entry to a function.
13208 (df_ru_bb_local_compute): Ditto.
13209 (df_rd_bb_local_compute_process_def): Ditto.
13210 (df_rd_bb_local_compute): Ditto.
13211 (df_lr_bb_local_compute): Ditto.
13212 (df_ur_bb_local_compute): Ditto.
13213 (df_urec_bb_local_compute): Ditto.
13214 (df_chain_create_bb): Ditto.
13215 (df_ur_local_finalize): Removed entry.
13216 (df_urec_init): Ditto.
13217 (df_urec_local_finalize): Ditto.
13218 (df_ri_bb_compute): Added detection of last use of pseudos.
13219 * Makefile.in (df-scan.o): Updated dependencies.
13220 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13221 * config/mips/mips.c (mips_set_live_on_entry): Added.
13222 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13224 * dce.c (marked_insn_p): Added code to handle artifical defs.
13226 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13228 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13230 (_mm_cvtsi128_si64): Likewise.
13231 (_mm_cvtsd_si64): Likewise.
13232 (_mm_cvttsd_si64): Likewise.
13233 (_mm_cvtsi64_sd): Likewise.
13234 (_mm_cvtsi64_si128): Likewise.
13235 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13236 (_mm_cvtsi64_m64): Likewise.
13237 (_m_to_int64): Likewise.
13238 (_mm_cvtm64_si64): Likewise.
13239 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13240 (_mm_cvttss_si64): Likewise.
13241 (_mm_cvtsi64_ss): Likewise.
13242 (_mm_cvtss_f32): Likewise.
13244 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13246 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13247 for pragma redefine_extname.
13249 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13252 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13253 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13254 -mno-minimal-toc to previous content.
13255 (bispecs): Remove goal.
13256 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13257 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13258 compatibility aliases on powerpc-*-*gnu*.
13259 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13260 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13261 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13262 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13263 (ldblspecs): New goal.
13264 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13265 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13267 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13268 L_sf_to_tf or L_df_to_tf is defined.
13270 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13271 Alan Modra <amodra@bigpond.net.au>
13274 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13275 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13276 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13277 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13278 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13279 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13280 (rs6000_override_options): Initialize rs6000_ieeequad.
13281 Initialize TFmode format to ibm_extended_format if not
13283 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13285 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13286 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13287 (function_arg_advance): IBM long double passed in two FPRs, not
13289 (function_arg): IBM long double passed in FPRs.
13290 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13291 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13292 Only multireg GPR aligned.
13293 (rs6000_init_libfuncs): Enable IBM long double functions if not
13295 (rs6000_generate_compare): Use IBM long double compare if not
13297 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13298 (TARGET_IEEEQUAD): Define.
13299 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13300 not TARGET_IEEEQUAD.
13301 * config/rs6000/rs6000.md: Enable TFmode patterns if
13303 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13304 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13305 and -mlong-double-128 are incompatible.
13306 * doc/invoke.texi (-mabi): Collect options together. Add
13307 ibmlongdouble and ieeelongdouble.
13309 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13311 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13313 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13314 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13315 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13316 * rtl.h (rtunion_def): Remove rt_ptr.
13318 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13319 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13320 * config/i386/winnt.c (i386_pe_mark_dllexport)
13321 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13323 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13325 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13327 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13331 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13332 pthread_key_delete. From John David Anglin. gthrw-ify
13333 pthread_getunique_np only if it it's not a macro. Delete
13335 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13336 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13337 __gthread_objc_condition_signal, __gthread_key_delete): Add
13338 "__attribute__ ((__unused__))" to unused arguments.
13339 (__gthread_recursive_mutex_init_function): Add missing return.
13340 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13341 gthr-posix95.h: Use macro-based approach for name redirection
13342 on targets missing weakref.
13344 2006-01-26 Zack Weinberg <zackw@panix.com>
13346 * genconditions.c (write_header): In generated code, #ifdef out
13347 all includes and fake declarations, except includes of bconfig.h
13348 and system.h, unless GCC_VERSION >= 3001. Do not include
13349 gensupport.h in any case.
13350 (write_conditions): Generate a definition of struct c_test. Add
13351 a comment to the generated #endif.
13352 (write_one_condition): Escape backslashes in string too.
13353 (write_writer): Generated code must escape backslashes and quote
13354 marks (but not newlines) in the strings it writes.
13355 * Makefile.in (build/gencondmd.o): Update dependencies.
13357 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13360 * Makefile.in (insn-automata.o): Add header file dependencies.
13361 * genautomata.c: Add includes.
13363 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13366 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13368 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13370 * configure.ac: Expect target tools paths to be passed from the toplevel
13371 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13373 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13375 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13378 * c.opt (Wpointer-sign): Init to -1.
13379 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13380 OPT_pedantic, to 0 otherwise.
13381 * doc/invoke.texi: Update.
13383 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13385 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13386 constants provided by 80387 instructions in the destination mode.
13388 2006-01-26 Richard Guenther <rguenther@suse.de>
13389 Andrew Pinski <pinskia@physics.uc.edu>
13392 partial PR tree-opt/17064
13393 * tree-ssa-structalias.c (intra_create_variable_infos):
13394 Create heap variables for incoming parameters if
13395 flag_argument_noalias > 1.
13396 (find_what_p_points_to): Look through default defs of
13399 2006-01-26 Jeff Law <law@redhat.com>
13402 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13403 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13404 within the VR_RANGE, use the VR_RANGE as the result, not the
13406 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13407 bounds for the type.
13409 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13411 * tree-ssa-alias.c (maybe_create_global_var): Change
13412 subvar walking to an assertion that we don't have subvar'd variables.
13414 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13417 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13418 Use a new variable, inner. PARM_DECLs are always non-weak.
13420 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13422 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13423 --disable-checking.
13425 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13427 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13429 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13431 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13432 (smax_insn, smin_insn, smax_0, smin_0): New.
13434 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13437 * config/cris/cris.c (cris_order_for_addsi3): New function.
13438 * config/cris/cris-protos.h: Prototype it.
13439 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13440 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13441 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13442 (split for "op.S1 [rx=rx+i],ry (swapped)")
13443 (split for "op(s|u).S1 [rx=rx+i],ry")
13444 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13445 Apply cris_order_for_addsi3 when generating addsi3 insns.
13447 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13449 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13450 (TREE_BLOCK): Add call to EXPR_CHECK.
13452 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13455 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13456 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13457 (dump_omp_clauses): ... here.
13458 (dump_generic_node): Handle OMP_CLAUSE.
13459 * tree.c (omp_clause_num_ops): New.
13460 (omp_clause_code_name): New.
13461 (tree_code_size): Handle OMP_CLAUSE.
13462 (tree_size): Likewise.
13463 (make_node): Document handling of OMP_CLAUSE.
13464 (tree_node_structure): Handle OMP_CLAUSE.
13465 (omp_clause_check_failed): New.
13466 (omp_clause_range_check_failed): New.
13467 (omp_clause_operand_check_failed): New.
13468 (build_omp_clause): New.
13469 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13470 * tree.h (enum omp_clause_code): Declare.
13471 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13472 (OMP_CLAUSE_RANGE_CHECK): Define.
13473 (OMP_CLAUSE_ELT_CHECK): Define.
13474 (omp_clause_check_failed): Declare.
13475 (omp_clause_operand_check_failed): Declare.
13476 (omp_clause_range_check_failed): Declare.
13477 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13478 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13479 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13480 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13481 (OMP_CLAUSE_IF_EXPR): Likewise.
13482 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13483 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13484 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13485 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13486 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13487 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13488 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13489 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13490 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13491 (OMP_CLAUSE_CODE): Define.
13492 (OMP_CLAUSE_SET_CODE): Define.
13493 (OMP_CLAUSE_CODE): Define.
13494 (OMP_CLAUSE_OPERAND): Define.
13495 (struct tree_omp_clause): Declare.
13496 (union tree_node): Add field 'omp_clause'.
13497 * treestruct.def (TS_OMP_CLAUSE): Define.
13498 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13499 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13500 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13501 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13502 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13503 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13504 (OMP_CLAUSE): Define.
13505 * print-tree.c (print_node): Handle OMP_CLAUSE.
13506 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13507 * c-typeck.c: Likewise.
13508 * gimplify.c: Likewise.
13509 * c-omp.c: Likewise.
13510 * tree-nested.c: Likewise.
13511 * tree-inline.c: Likewise.
13512 * c-parser.c: Likewise.
13513 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13516 2006-01-25 Roger Sayle <roger@eyesopen.com>
13518 PR rtl-optimization/25703
13519 * combine.c (try_combine): Handle zero_extract and strict_low_part
13520 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13522 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13524 * global.c: Fix comment typos.
13526 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13529 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13530 Use output_addr_const instead of assemble_name.
13532 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13534 * Makefile.in (sched-vis.o): Update dependencies.
13535 * haifa-sched.c (sched_finish): Clear current_sched_info.
13536 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13537 (dump_flow_info): Call it.
13538 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13540 * basic-block.h (dump_bb_info): Declare.
13541 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13542 option, and apply options only for dump files whose TDF_RTL,
13543 TDF_TREE, or TDF_IPA bits match.
13544 * rtl.h: Declare new functions exported from sched-vis.c.
13545 * sched-vis.c: Enable also if scheduling is not used.
13546 (print_value): Print the mode of registers if not inside scheduling.
13547 (print_insn): Make it work outside the scheduler. Beautify the output
13549 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13551 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13553 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13554 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13555 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13556 depending on the value of CONSTANT_POOL_ADDRESS_P.
13557 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13559 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13560 rather than SYMBOL_REF_DECL.
13561 (rtx_constant_pool): Remove const_rtx_sym_htab.
13562 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13563 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13564 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13565 Remove handling of const_rtx_sym_htab.
13566 (find_pool_constant): Delete.
13567 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13568 rather than find_pool_constant.
13569 (get_pool_constant_for_function): Delete.
13570 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13571 find_pool_constant.
13572 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13573 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13574 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13575 (SYMBOL_REF_CONSTANT): New macro.
13576 (get_pool_constant_for_function): Delete.
13577 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13578 rather than SYMBOL_REF_DECL.
13579 (i386_pe_mark_dllimport): Likewise.
13580 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13581 rather than SYMBOL_REF_DECL.
13582 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13583 (machopic_indirect_call_target): Likewise.
13585 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13587 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13589 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13591 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13593 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13595 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13597 2006-01-24 David Daney <ddaney@avtrex.com>
13600 * configure.ac (enable_tls): New enable option.
13601 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13602 * configure: Regenerate.
13603 * doc/install.texi (--enable-tls): Document new option.
13604 (--disable-tls): Ditto.
13606 2006-01-24 Richard Henderson <rth@redehat.com>
13608 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13609 * alias.c (true_dependence): Respect it.
13610 (canon_true_dependence, write_dependence_p): Likewise.
13611 * builtins.c (get_builtin_sync_mem): Set it.
13613 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13615 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13618 2006-01-24 DJ Delorie <dj@redhat.com>
13620 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13621 for storing constants in single-bit bitfields.
13623 2006-01-25 Ben Elliston <bje@au.ibm.com>
13625 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13627 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13630 * tree-ssa-pre.c (phi_translate): Return NULL
13631 for AGGREGATE_TYPE's.
13633 2006-01-24 Zack Weinberg <zackw@panix.com>
13635 * genautomata.c (process_state_for_insn_equiv_partition):
13636 Use xcalloc for insn_arcs_array.
13637 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13638 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13640 2006-01-24 Richard Henderson <rth@redhat.com>
13642 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13643 update all callers.
13645 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13647 PR rtl-optimization/25890
13648 PR rtl-optimization/25905
13649 * combine.c (expand_compound_operation, expand_field_assignment):
13650 Fail if the bitfield's final position is out of bounds.
13652 2006-01-24 Ian Lance Taylor <ian@airs.com>
13654 PR middle-end/25930
13655 * cgraphunit.c (cgraph_output_in_order): Don't clear
13656 cgraph_asm_nodes until after asm strings have been output.
13658 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13660 * fix-header.c (read_scan_file): Add new parameter imultilib when
13661 calling register_include_chains.
13663 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13665 * omp-low.c: Update documentation.
13667 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13668 Daniel Berlin <dberlin@dberlin.org>
13672 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13673 return from the function.
13675 2006-01-22 Zack Weinberg <zackw@panix.com>
13677 * rtl.def (match_code): Add second argument.
13678 * genpreds.c (write_extract_subexp): New function.
13679 (write_match_code): Add path argument. Use write_extract_subexp.
13680 (write_predicate_expr): Pass path to write_match_code.
13681 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13682 not perform a mode test.
13683 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13684 a subexpression does not constrain the top-level code set.
13685 * read-rtl.c (read_rtx_variadic): New function.
13686 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13687 * doc/md.texi: Document new notation.
13688 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13689 (cmpsi_operand): ... here, using new notation.
13691 2006-01-22 Zack Weinberg <zackw@panix.com>
13693 * varray.c: Remove GENERATOR_FILE #ifdefs.
13695 2006-01-22 Zack Weinberg <zackw@panix.com>
13697 * genautomata.c (output_reserved_units_table): Emit nothing if
13698 description->query_units_num is zero. Remove extra blank line.
13699 (output_cpu_unit_reservation_p): Short circuit
13700 if description->query_units_num is zero.
13702 2006-01-22 Zack Weinberg <zackw@panix.com>
13704 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13705 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13706 nor any of the random handful of variables that used to be necessary
13707 when this program was linked with rtlanal.o. Prune set of forward
13708 function declarations.
13709 (struct attr_desc): Remove static_p field.
13710 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13711 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13712 (attr_string): Do not read the character one past the length of
13714 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13715 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13716 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13717 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13718 (make_automaton_attrs): New.
13719 (main): Do not call into genautomata. Call local gen_bypass
13720 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13721 Remove special case for insn_alts.
13722 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13723 varray.h (leftover from previous change). Prune set of forward
13724 function declarations. Remove state_alts fields from all
13725 structures. Remove state_alts_table from struct automaton.
13726 Make everything except main static. Do not maintain num_dfa_decls.
13727 Do not maintain state_alts fields of various structures.
13728 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13729 (add_arc): Remove state_alts argument. All callers updated.
13730 (output_reserved_units_table): Emit #ifdef here...
13731 (output_tables): ...not here. Don't generate state_alts tables.
13732 (expand_automata): Don't generate attributes.
13733 (write_automata): Don't generate state_alts functions.
13734 (main): New function.
13735 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13736 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13737 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13738 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13739 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13740 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13741 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13742 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13744 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13745 * genattrtab.h: Delete file.
13746 * Makefile.in (OBJS-common): Add insn-automata.o.
13747 (insn-automata.o): New rule.
13748 (simple_generated_c): Add insn-automata.c.
13749 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13750 (genprogmd): Add automata.
13751 (build/genattrtab): Needs no extra objects nor libraries.
13752 (build/genautomata): Needs build/vec.o and -lm.
13754 2006-01-22 Zack Weinberg <zackw@panix.com>
13756 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13757 (output_dfa_max_issue_rate, locked_states_num): Delete.
13758 (struct automaton): Add locked_states field.
13759 (output_dead_lock_vect): Save number of locked states in
13760 automaton->locked_states. If it is zero, don't print anything.
13761 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13762 (output_internal_dead_lock_func): Only test the dead_lock_vect
13763 for automata that have locked states.
13764 (output_statistics): Always print the number of locked states for
13765 each automaton. Calculate total number of locked states here.
13766 (write_automata): Don't call output_dfa_max_issue_rate.
13767 * genattrtab.c: Define length_unit_log as a const variable.
13768 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13769 max_insn_queue_index const.
13770 * final.c (length_unit_log): Declare const.
13771 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13773 2006-01-22 Zack Weinberg <zackw@panix.com>
13775 * genautomata.c: Include vec.h, not varray.h.
13776 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13777 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13778 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13779 VEC_* macros operating on appropriately typed vectors, or to
13780 malloced arrays when the size is known in advance. Const-ify
13781 many char* variables and function arguments. No functional changes.
13782 * Makefile.in (build/varray.o): Delete rule.
13783 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13784 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13786 2006-01-22 Zack Weinberg <zackw@panix.com>
13788 * gensupport.c: Define get_insn_name and record_insn_name here.
13789 (read_md_rtx): Call record_insn_name as appropriate.
13790 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13791 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13792 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13794 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13795 (BUILD_VARRAY): Delete.
13796 (genprognormal): Rename genprogmd. Fold in all programs from
13797 genprognoprint; also attrtab.
13798 (build/genattrtab): Just mention genautomata.o and varray.o.
13799 Reorganize a bit, add comments to make the categories clearer.
13801 2006-01-22 Zack Weinberg <zackw@panix.com>
13803 * genconditions.c (condition_table, add_condition): Delete.
13804 (write_conditions): Don't emit n_insn_conditions nor
13805 insn_elision_unavailable. Issue the gcc version #ifdef here,
13806 inside the table, with no #else clause ...
13807 (write_header): ...not here.
13808 (write_writer): New function.
13809 (main): Don't initialize condition_table. Use add_c_test.
13811 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13812 files on the command line.
13813 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13814 Return -1 if there is no entry in the table, don't abort.
13815 (add_c_test, traverse_c_tests): New functions.
13816 * gensupport.h (insn_elision_unavailable, insn_conditions)
13817 (n_insn_conditions): Delete declarations.
13818 (add_c_test, traverse_c_tests): Declare.
13819 * read-rtl.c: Include gensupport.h.
13820 (read_conditions): New function.
13821 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13822 (read_rtx_1): If we get EOF when we were looking for an initial
13823 open paren, return 0. Call read_conditions when appropriate.
13824 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13825 dummy-conditions.o. Eliminate references to insn-conditions.o,
13826 or change them to build/gencondmd.o, as appropriate. Remove
13827 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13828 from $(simple_generated_c). For all files remaining in those
13829 two lists, add insn-conditions.md to the generator command line.
13830 Give insn-constants.h/s-constants their own rules. Add rules
13831 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13832 (build/read-rtl.o): Depend on gensupport.h.
13833 (genprognormal): Include preds.
13834 (genprogearly): Rename genprognoprint; only difference is now that
13835 they don't link with $(BUILD_PRINT).
13836 * dummy-conditions.c: Delete.
13838 2006-01-22 Zack Weinberg <zackw@panix.com>
13840 * genextract.c: Don't include insn-config.h. Do include vec.h.
13841 Declare vectors of int, char, and locstr.
13842 (locstr): New typedef.
13843 (struct extraction): Make all array fields into bare pointers.
13844 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13845 (insn_code_number): Delete.
13846 (accum_extract): New struct.
13847 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13848 (gen_insn): Take insn_code_number as an argument. Use an
13849 accum_extract structure instead of loading data directly into
13850 a struct extraction, and having to know how big it might get.
13851 (walk_rtx): Operate entirely on an accum_extract structure.
13852 (print_path): Avoid unnecessary use of printf.
13853 (print_header): New function, split out of main. Distinguish
13854 more carefully between an unrecognizable insn and an insn that
13855 has the code number of a define_expand.
13856 (main): Pass insn_code_number to gen_insn. Call print_header
13857 only after parsing. Avoid unnecessary use of printf.
13858 * Makefile.in (build/vec.o): New rule.
13859 (build/genextract): Depend on build/vec.o.
13860 (build/genextract.o): Don't depend on insn-config.h.
13862 2006-01-22 Zack Weinberg <zackw@panix.com>
13864 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13865 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13866 practical. Eliminate per-generator-program link rules.
13868 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13870 PR middle-end/24437
13871 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13872 with a call expr to ...
13873 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13875 2006-01-23 Richard Guenther <rguenther@suse.de>
13877 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13878 before make_edge with conditional EDGE_TRUE_VALUE.
13880 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13881 Jan Hubicka <jh@suse.cz>
13882 Richard Guenther <rguenther@suse.de>
13884 PR rtl-optimization/25654
13885 * cfgexpand.c (aggregate_contains_union_type): New function.
13886 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13887 for structure variables that contain a union type.
13889 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13891 * gengtype.c (new_structure): Return the structure.
13892 (create_option): Add an extra "next" argument.
13893 (create_field): New function.
13894 (adjust_field_rtx_def): Use create_option and create_field.
13895 Remove a now-unnecessary call to find_structure.
13896 (adjust_field_tree_def): Likewise.
13897 (note_yacc_type): Remove an unnecessary call to find_structure.
13898 * gengtype.h (new_structure): Return the structure.
13899 (create_option): Add an extra argument.
13900 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13901 (option): Adjust calls to create_option.
13903 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13905 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13907 2006-01-22 Paul Brook <paul@codesourcery.com>
13908 Peter Barada <peter@the-baradas.com>
13910 * config/m68k/m68k.md: Add Coldfire FPU support.
13911 Define FP mode macro and associated attributes.
13912 Use it for float mode patterns.
13913 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13914 (LIBCALL_VALUE): Use m68k_libcall_value.
13915 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13916 (m68k_function_value): Ditto.
13917 (emit_move_sequence): Ditto.
13918 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13919 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13920 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13921 (MULTILIB_EXCEPTIONS): Ditto.
13922 * config/m68k/m68k.opt: Add mcfv4e.
13923 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13924 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13925 (m68k_output_function_prologue): Save ColdFire FPU registers.
13926 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13927 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13928 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13929 ColdFire FPU registers.
13930 (m68k_libcall_value, m68k_function_value): New functions.
13931 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13932 (LIBCALL_VALUE): Use m68k_libcall_value.
13933 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13934 (MASK_COLDFIRE): Add MASK_CFV4E.
13935 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13936 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13937 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13938 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13939 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13940 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13941 * doc/invoke.tex: Document -mcfv4e on m68k.
13943 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13945 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13948 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13951 * c-opts.c (c_common_handle_option): Don't include
13952 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13953 * doc/invoke.texi (C++ Dialect Options): Document that
13954 -Wnon-virtual-dtor is no longer included in -Wall.
13956 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13958 * gcov.c (print_version), gcov-dump.c (print_version),
13959 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13962 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13964 * df-scan.c (problem_SCAN): Added NULL reset function.
13965 (df_scan_reset_blocks): Added code to call reset block function
13966 (df_bb_refs_delete) Fixed comment.
13967 (df_insn_refs_delete): Made tolerant of deleting non existent info
13968 for dataflow problems that need to be reset.
13969 * df-core.c (df_set_blocks): Ditto.
13970 * df.h (struct df_problem): Added reset_fun.
13971 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13972 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13973 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13974 functions to clear out all references to def-use or use-def chains.
13976 2006-01-21 Ben Elliston <bje@au.ibm.com>
13978 * varasm.c (assemble_real): Initialise data array.
13980 2006-01-20 Paul Brook <paul@codesourcery.com>
13982 Merge from csl-arm-branch.
13983 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13984 * config/arm/arm.md (movdi): Force operands[1] to a register
13985 if we have a non-register source.
13986 (*arm_movdi, *movdf_soft_insn): Require that one of the
13987 operands be a register.
13988 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13989 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13991 2006-01-20 DJ Delorie <dj@redhat.com>
13993 * varasm.c (initializer_constant_valid_p): Allow pointers
13994 initialized from integer constants of lesser precision.
13995 (output_constant): Allow non-int-sized pointer modes to be
13996 initialized from integer constants.
13998 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14001 * cppdefault.h (struct default_include): Add multilib flag.
14002 * cppdefault.c (cpp_include_defaults): Set it.
14003 * c.opt (-imultilib): New option.
14004 * c-opts.c (imultilib): New.
14005 (c_common_handle_option): Handle -imultilib.
14006 (c_common_post_options): Likewise.
14007 * c-incpath.c (add_standard_paths, register_include_chains):
14009 * c-incpath.h (register_include_chains): Add extra parameter.
14010 * gcc.c (do_spec_1): Generate -imultilib option.
14011 (The Specs Language): Update %I description.
14012 (process_command): Update copyright notice.
14013 * doc/cppopts.texi (-imultilib): Document.
14014 * doc/invoke.texi (-imultilib): Include in option summary.
14015 (%I): Update specs documentation.
14017 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14019 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14021 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14023 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14026 2006-01-20 Richard Guenther <rguenther@suse.de>
14027 Steven Bosscher <stevenb.gcc@gmail.com>
14029 PR rtl-optimization/24626
14030 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14031 EDGE_TRUE_VALUE if in RTL mode.
14034 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14035 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14037 2006-01-20 Dirk Mueller <dmueller@suse.com>
14040 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14041 instead of a special NOP marker.
14042 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14043 NOP marker handling.
14044 * c-common.h (empty_body_warning): Add forward declaration.
14045 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14046 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14048 2006-01-20 Paul Brook <paul@codesourcery.com>
14050 * Makefile.in (lang_checks): Keep going if mkdir fails.
14052 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14054 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14055 be able to clean out basic block when not necessary.
14056 (df_scan_free): Fixed to properly delete information if df is
14057 unused before calling df_finish.
14058 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14059 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14061 (df_bb_refs_delete): New function.
14062 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14063 * df-core.c (df_set_blocks): Added code to properly clean out
14064 unused blocks if they are not part of the blocks to consider.
14065 Added additional null check.
14066 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14067 be able to clean out basic block when not necessary
14068 * df.h (df_free_bb_function): Ditto.
14069 (df_bb_refs_delete): New function.
14070 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14071 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14072 basic block parameter to be able to clean out basic block when not
14074 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14075 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14076 Fixed to properly delete information if df is unused before
14079 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14081 PR rtl-optimization/25799
14082 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14083 Corrected confluence operator to remove bits from op2 before oring
14084 with op1 rather than removing bits from op1.
14085 (df_ru_transfer_function): Corrected test on wrong bitmap which
14086 caused infinite loop. Both of these problems were introduced in
14087 the dataflow rewrite.
14089 2006-01-19 DJ Delorie <dj@redhat.com>
14091 * reload1.c (find_reload_regs): Note the details of reload
14092 failures in the dump file.
14093 (spill_failure): Likewise.
14095 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14097 * loop-iv.c: Include df.h and hashtab.h.
14098 (enum iv_grd_result): New enum.
14099 (DF_REF_IV, DF_REF_IV_SET): New macros.
14100 (struct biv_entry): New.
14101 (df, bivs): New global variables.
14102 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14103 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14105 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14106 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14107 analyzed_for_bivness_p, record_biv): New functions.
14108 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14109 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14110 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14112 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14114 (iv_number_of_iterations): Use new interface to iv analysis.
14115 * loop-unroll.c: Do not include varray.h.
14116 (analyze_iv_to_split_insn): Use new interface to iv
14118 * loop-unswitch.c (may_unswitch_on): Ditto.
14119 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14121 (df_bb_modify): Realloc tables to the new index.
14122 (df_find_use): New function.
14123 * df.h (df_find_use): Declare.
14124 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14126 * cfgloop.h (struct rtx_iv): Remove analysed field.
14127 (iv_get_reaching_def): Removed.
14128 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14129 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14130 (loop-iv.o): Add df.h and hashtab.h dependency.
14131 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14133 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14136 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14138 (__floatundisf, __floatundidf): Likewise.
14139 * libgcc2.h (IS_IBM_EXTENDED): Define.
14141 2006-01-19 DJ Delorie <dj@redhat.com>
14143 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14145 2006-01-19 Paul Brook <paul@codesourcery.com>
14147 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14148 as nothrow when unwinding tables are disabled.
14150 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14153 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14154 of bit-field" when in system header.
14156 2006-01-19 DJ Delorie <dj@redhat.com>
14158 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14159 the 16 bit shift limit of the m16c.
14161 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14164 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14165 * config/i386/i386.c (output_set_got): Output the label if we have one
14166 for the TARGET_DEEP_BRANCH_PREDICTION case.
14168 2006-01-19 Jan Hubicka <jh@suse.cz>
14169 H.J. Lu <hongjiu.lu@intel.com>
14170 Evandro Menezes <evandro.menezes@amd.com>
14172 * invoke.texi (generic): Document
14174 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14175 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14176 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14177 (x86_use_incdec, x86_pad_returns): New variables
14178 (TARGET_CPU_DEFAULT_generic): New constant
14179 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14180 (enum processor_type): Add generic32 and generic64.
14181 * i386.md (cpu attribute): Add generic32/generic64
14182 (movhi splitter): Behave sanely when both partial_reg_dependency and
14183 partial_reg_stall are set.
14184 (K8 splitters): Enable for generic as well.
14185 * predicates.md (incdec_operand): Use TARGET_INCDEC
14186 (aligned_operand): Avoid memory mismatch stalls.
14187 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14188 * ppro.md: Enable for generic32
14189 * i386.c (generic64_cost, generic32_cost): New.
14190 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14191 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14192 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14193 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14194 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14195 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14196 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14197 x86_accumulate_outgoing_args, x86_prologue_using_move,
14198 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14199 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14200 Enable for generic.
14201 (x86_use_incdec, x86_pad_returns): New.
14202 (override_options): Add generic32 and generic64, translate "generic"
14203 to generic32/generic64 and "i686" to "generic32", refuse
14204 "generic32"/"generic64" as arch target.
14205 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14206 (ix86_reorg): Honor PAD_RETURNS.
14208 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14210 * tree-pretty-print.c (dump_generic_node): Handle
14211 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14212 * cgraph.c (cgraph_expand_queue): Rename from
14213 cgraph_analyze_queue. Update all users.
14214 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14215 cgraph_expand_queue.
14216 (cgraph_expand_all_functions): Likewise.
14217 (cgraph_finalize_pending_functions): Remove. Update callers.
14219 * tree.h (OMP_DIRECTIVE_P): Define.
14220 (OMP_PARALLEL_FN): Define.
14221 (OMP_PARALLEL_DATA_ARG): Define.
14222 (OMP_SECTIONS_SECTIONS): Define.
14223 * tree-pass.h (pass_expand_omp): Declare.
14224 * omp-low.c (struct omp_region): Declare.
14225 (struct omp_context): Remove fields 'parallel_type',
14226 'parallel_start_ix' and 'parallel_start_additional_args'.
14228 (struct omp_for_data): Rename from struct expand_omp_for_data.
14229 (omp_regions): New static variable.
14230 (root_omp_region): New static variable.
14231 (find_omp_clause): Make static.
14232 (is_in_combined_parallel_ctx): Remove.
14233 (is_combined_parallel): New.
14234 (extract_omp_for_data): Move earlier in the file.
14235 (workshare_safe_to_combine_p): New.
14236 (get_ws_args_for): New.
14237 (determine_parallel_type): Move earlier in the file.
14238 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14240 (omp_copy_decl): Likewise.
14241 (create_omp_child_function): Likewise.
14242 (lookup_omp_region): New.
14243 (dump_omp_region): New.
14244 (debug_omp_region): New.
14245 (debug_all_omp_regions): New.
14246 (new_omp_region): New.
14247 (scan_omp_parallel): If parallel_nesting_level > 1, the
14248 directive is nested within another parallel directive.
14249 Set OMP_PARALLEL_FN.
14250 (scan_omp_for): Do not try to handle combined parallel+for
14252 Remove FIXME comment.
14253 (scan_omp_nested): Remove.
14254 (scan_omp_1): Do not call scan_omp_nested when
14255 parallel_nesting_level is > 1.
14256 Do not change the DECL_CONTEXT of local variables found.
14257 (lookup_decl_in_outer_ctx): New.
14258 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14259 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14260 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14261 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14262 If CTX is nested, lookup VAR in the outer context when
14263 building copy assignment.
14264 (lower_send_clauses): Rename from expand_send_clauses.
14265 If CTX is nested, lookup VAR in the outer context when
14266 building copy assignments.
14267 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14268 If CTX is nested, lookup VAR in the outer context when
14269 building copy assignments.
14270 (expand_parallel_call): Rename from build_parallel_call.
14271 Handle combined parallel+workshare cases.
14272 Re-implement to emit code into the CFG.
14274 (expand_omp_parallel): Re-implement to emit code into the CFG.
14275 Call move_sese_region_to_fn to outline the sub-graph
14276 containing the parallel region.
14277 (expand_omp_for_1): Remove.
14278 (expand_omp_for_generic): Re-implement to emit code into the
14280 (expand_omp_for_static_nochunk): Likewise.
14281 (expand_omp_for_static_chunk): Likewise.
14282 (expand_omp_for): Likewise.
14283 (expand_omp_sections): Likewise.
14284 (remove_exit_barriers): New.
14285 (expand_omp_synch): New.
14287 (build_omp_regions_1): New.
14288 (build_omp_regions): New.
14289 (execute_expand_omp): New.
14290 (gate_expand_omp): New.
14291 (pass_expand_omp): Define.
14292 (lower_omp_sections): Rename from expand_omp_sections.
14293 Set OMP_SECTIONS_SECTIONS.
14294 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14295 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14296 (lower_omp_single): Rename from expand_omp_simple.
14297 (lower_omp_master): Rename from expand_omp_master.
14298 (lower_omp_ordered): Rename from expand_omp_ordered.
14299 (lower_omp_critical): Rename from expand_omp_critical.
14300 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14301 (lower_omp_for): Re-implement.
14302 (lower_omp_parallel): Re-implement.
14303 (lower_regimplify): Rename from expand_regimplify.
14304 (lower_omp_1): Rename from expand_omp_1.
14305 If there are syntax errors in the program, replace every
14306 OpenMP directive with NOP.
14307 Call lower_omp_* instead of expand_omp_*.
14308 (lower_omp): Rename from expand_omp.
14310 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14311 * tree-gimple.h (enum omp_parallel_type): Remove.
14312 (gimple_boolify): Declare extern.
14313 (find_omp_clause, determine_parallel_type): Remove.
14315 * gimple-low.c (lower_omp_directive): New.
14316 (lower_stmt): Call it.
14317 (record_vars_into): Move from ...
14318 (record_vars): ... here.
14319 Call record_vars_into with current_function_decl.
14321 * gimplify.c (struct gimplify_ctx): Remove fields
14322 combined_pre_p and combined_ctxp. Update users.
14323 (get_formal_tmp_var): Add documentation.
14324 (gimple_boolify): Make extern.
14325 (gimplify_expr_in_ctx): Remove. Update callers.
14326 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14327 will always be a BIND_EXPR.
14328 (gimplify_expr): Handle OMP_RETURN_EXPR.
14329 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14330 (OMP_PARALLEL): Add 3 operands.
14331 (OMP_SECTIONS): Add 1 operand.
14332 (OMP_RETURN_EXPR): Define.
14334 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14335 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14336 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14337 creating a circular free list.
14338 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14340 * tree-flow.h (move_sese_region_to_fn): Declare.
14341 (record_vars_into): Declare.
14342 * tree-cfg.c (make_omp_sections_edges): New.
14343 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14344 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14345 OMP_SECTIONS and OMP_SECTION.
14346 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14347 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14348 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14349 (gather_blocks_in_sese_region): New.
14350 (struct move_stmt_d): Declare.
14351 (move_stmt_r): New.
14352 (move_block_to_fn): New.
14353 (move_sese_region_to_fn): New.
14355 * passes.c (init_optimization_passes): Schedule
14356 pass_expand_omp after pass_init_datastructures.
14358 * tree-ssa-operands.c (get_expr_operands): Handle
14359 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14360 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14362 2006-01-19 Jeff Law <law@redhat.com>
14364 * tree-vrp.c (extract_range_from_assert): Refine the result range
14365 if the variable referenced by the ASSERT_EXPR has a range and
14366 either the tentative result range or the previous range is a
14369 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14371 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14373 2006-01-19 Jan Hubicka <jh@suse.cz>
14375 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14377 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14379 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14380 (expand_compound_operation, expand_field_assignment): Fail if the
14381 bit lengths of an extract operation are out of range.
14382 (make_extraction): Compute wanted_inner_mode based on the position
14383 and length of the extraction. Make it extraction_mode for non-constant
14384 positions, and do not modify offset in that case. When generating a
14385 new MEM, use a mode that can hold the extraction while keeping correct
14386 alignment. Remove code that supported MEMs wrapped by USEs.
14387 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14389 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14391 * config/s390/s390.md ("Y", "y"): New mode attribute.
14392 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14393 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14394 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14395 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14396 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14397 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14398 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14399 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14400 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14401 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14402 "addsi3", "subsi3"): Insn patterns removed.
14403 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14404 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14405 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14406 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14407 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14408 "*sub<mode>3_cconly2"): New insn patterns.
14409 ("addsi3", "subsi3"): New expanders.
14411 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14413 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14414 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14415 existing STMT_VINFO_VECTYPE if available.
14416 (vect_mark_relevant): Add special handling for stmts that are
14417 marked as STMT_VINFO_IN_PATTERN_P.
14418 (vect_analyze_loop): Call vect_pattern_recog.
14419 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14420 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14422 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14423 (vect_recog_func_ptr): New function-pointer type.
14424 * tree-vect-patterns.c: New file.
14425 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14426 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14427 (vect_pattern_recog_1): New functions.
14428 (vect_pattern_recog_funcs): New array of function pointers.
14430 * tree-vectorizer.h (ternary_op): New enum value.
14431 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14432 declaration. Revised documentation. Removed redundant dump prints.
14433 Removed redundant argument. Added support for reduction patterns.
14434 (vectorizable_reduction): Added support for reduction patterns.
14435 (vect_transform_stmt): Added support for patterns.
14437 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14438 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14439 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14440 (expand_widen_pattern_expr): New function.
14441 (init_optabs): Initialize new optabs udot_prod_optab,
14443 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14444 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14445 (expand_widen_pattern_expr): New function declaration.
14446 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14448 * tree-inline.c (estimate_num_insns_1): Added cases for new
14449 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14450 * tree-pretty-print.c (dump_generic_node): Likewise.
14451 (op_prio): Likewise.
14452 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14453 * tree-ssa-operands.c (get_expr_operands): Added case for
14455 * tree-vect-patterns.c (widened_name_p): New function.
14456 (vect_recog_dot_prod_pattern): Added function implementation.
14457 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14458 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14459 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14460 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14462 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14463 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14464 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14465 (init_optabs): Initialize new optabs widen_ssum_optab,
14467 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14468 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14469 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14470 use instead of type of def.
14471 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14472 function implementation.
14473 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14474 widen_ssumv8hi): New.
14476 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14479 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14482 * c-decl.c (add_flexible_array_elts_to_size): New function.
14483 (finish_decl): Use it.
14485 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14487 * diagnostic.h: Include options.h.
14488 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14489 dependancies for diagnostic.h.
14490 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14492 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14494 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14495 (ssa_ro_call_cache_valid): Ditto.
14496 * tree-ssa-alias.c (sort_tags_by_id): New function.
14497 (init_transitive_clobber_worklist): Ditto.
14498 (add_to_worklist): Ditto.
14499 (mark_aliases_call_clobbered): Ditto.
14500 (compute_tag_properties): Ditto.
14501 (set_initial_properties): Ditto.
14502 (compute_call_clobbered): Ditto.
14503 (compute_may_aliases): Call compute_call_clobbered and grouping.
14504 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14505 (compute_flow_insensitive_aliasing): Grouping now happens in our
14507 (setup_pointers_and_addressables): Remove clobbering related code.
14508 (add_may_alias): Ditto.
14509 (replace_may_alias): Ditto.
14510 (get_nmt_for): Ditto.
14511 (create_global_var):
14512 (is_escape_site): Return an escape_type enumeration.
14513 * tree-flow-inline.h (is_call_clobbered): Global var does not
14514 imply call clobbered.
14515 (mark_call_clobbered): Take a reason for marking this. Remove
14516 marking of globalness, and cache invalidation.
14517 (clear_call_clobbered): Remove cache invalidation code.
14518 * tree-dfa.c (dump_variable): If details is on, dump the reason
14520 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14522 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14523 (struct var_ann_d): Ditto.
14524 (enum escape_type): New.
14525 (mark_call_clobbered): Adjust prototype.
14526 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14527 are never call clobbered.
14528 Record reasons for escaping.
14529 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14530 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14531 (ssa_ro_call_cache_valid): Ditto.
14532 (clobbered_v_may_defs): Ditto.
14533 (clobbered_vuses): Ditto.
14534 (ro_call_vuses): Ditto.
14535 (clobber_stats): New.
14536 (init_ssa_operands): Zero out clobber stats.
14537 (fini_ssa_operands): Print out clobber stats.
14538 (get_call_expr_operands): Pass callee fndecl to
14539 add_call_read_ops).
14540 (add_call_clobber_ops): Remove use of cache.
14541 Add use of PURE_CONST information.
14542 (add_call_read_ops): Remove use of cache.
14543 Add use of static not_read information.
14545 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14547 Introduce TLS descriptors for i386 and x86_64.
14548 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14549 (TARGET_ANY_GNU_TLS): New macro.
14550 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14551 (struct machine_function): Add tls_descriptor_call_expanded_p.
14552 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14553 (ix86_current_function_calls_tls_descriptor): Likewise.
14554 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14555 (override_options): Introduce gnu2 tls dialect.
14556 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14558 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14560 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14561 (ix86_init_machine_status): Initialize new field.
14562 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14563 (ix86_tls_module_base): New.
14564 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14565 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14566 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14567 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14568 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14569 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14570 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14571 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14572 * config/i386/predicates.md (tls_modbase_operand): New.
14573 (tp_or_register_operand): New.
14575 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14577 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14578 (look_for_address_of): Ditto.
14579 (ipa_init): Walk the function decls.
14580 (static_execute): Don't set readonly on FUNCTION_DECL's.
14582 2006-01-18 Roger Sayle <roger@eyesopen.com>
14584 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14585 for shifts where the source and destination registers are different.
14587 2006-01-18 Paul Brook <paul@codesourcery.com>
14589 Merge from csl-arm-branch.
14590 2005-03-14 Julian Brown <julian@codesourcery.com>
14591 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14592 (aeabi_llsl): Likewise.
14593 (ashrdi3): Likewise.
14594 (aeabi_lasr): Likewise.
14595 (lshrdi3): Likewise.
14596 (aeabi_llsr): Likewise.
14597 2005-03-10 Julian Brown <julian@codesourcery.com>
14598 * config.gcc: Disable shared libgcc for SymbianOS.
14599 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14601 2006-01-18 DJ Delorie <dj@redhat.com>
14603 * c-pragma.c (handle_pragma_diagnostic): New.
14604 (init_pragma): Register it.
14605 * doc/extend.texi: Document it.
14607 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14608 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14609 (diagnostic_context): Add classify_diagnostic[].
14610 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14611 as errors if they're overridden to DK_WARNING.
14612 (diagnostic_initialize): Initialize classify_diagnostic[].
14613 (diagnostic_set_kind_override): New.
14614 (diagnostic_report_diagnostic): Check for kind changes.
14615 * opts.c (common_handle_option): Take lang_mask. Update callers.
14616 Handle OPT_Werror_.
14617 * common.opt (Werror=): New.
14618 * doc/invoke.texi: Document -Werror=*
14620 2006-01-18 Jeff Law <law@redhat.com>
14622 * tree-vrp.c (test_for_singularity): Correct test for new
14623 min limit. Use operand_equal_p rather than pointer equality
14624 for testing if new min/max values are equal.
14626 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14627 using range information until after propagation and folding.
14629 2006-01-18 Richard Henderson <rth@redhat.com>
14630 Aldy Hernandez <aldyh@redhat.com>
14631 Jakub Jelinek <jakub@redhat.com>
14632 Diego Novillo <dnovillo@redhat.com>
14634 * omp-low.c: New file.
14635 * c-omp.c: New file.
14637 2006-01-18 Richard Henderson <rth@redhat.com>
14638 Jakub Jelinek <jakub@redhat.com>
14639 Diego Novillo <dnovillo@redhat.com>
14641 * doc/invoke.texi: Document -fopenmp.
14642 * tree-dump.h (debug_function): Declare.
14643 * hooks.c (hook_bool_tree_bool_false): New function.
14644 (hook_tree_tree_null): Remove.
14645 (hook_tree_tree_tree_null): New.
14646 * hooks.h: Update to match.
14647 * tree-pretty-print.c (debug_tree_chain): New.
14648 (print_generic_expr): Handle TDF_CHAIN.
14649 (dump_generic_node): Handle BLOCK.
14650 Do not abort with incomplete SWITCH_EXPRs.
14651 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14652 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14653 print space after directive name.
14654 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14655 Handle OMP_MASTER and OMP_ORDERED.
14656 Handle printing of OMP_BODY just in one place, goto
14657 dump_omp_body in the rest of OMP_* nodes that have
14659 Don't handle clause nodes here. Update omp statements to
14660 use dump_omp_clauses.
14661 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14662 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14663 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14664 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14665 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14666 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14667 Adjust output for GOMP_PARALLEL.
14668 (dump_omp_clauses): New.
14669 (print_declaration): Dump DECL_VALUE_EXPR.
14670 (op_symbol_1): Split out of op_symbol.
14671 (dumping_stmts): Remove. Update all users.
14672 * cgraph.c (cgraph_analyze_queue): New.
14673 (cgraph_add_new_function): New.
14674 * cgraph.h (cgraph_analyze_queue): Declare.
14675 (cgraph_add_new_function): Declare.
14676 (cgraph_lower_function): Remove.
14677 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14678 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14679 and TYPE_P nodes in its default clause.
14680 (empty_body_p): New.
14681 (tree_range_check_failed): New.
14682 (build5_stat): New.
14683 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14684 OMP_CLAUSE_REDUCTION_MERGE,
14685 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14686 OMP_CLAUSE_PRIVATE_DEBUG,
14687 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14688 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14689 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14690 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14691 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14692 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14693 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14694 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14695 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14696 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14697 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14698 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14699 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14700 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14701 (TREE_RANGE_CHECK): New.
14702 (empty_body_p): Declare.
14703 (enum omp_clause_default_kind): New.
14704 (build_string_literal): Declare.
14705 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14706 (build5_stat, build5): Declare.
14707 * tree-pass.h (TDF_CHAIN): Define.
14708 * tree-pass.h (PROP_gimple_lomp): Define.
14709 (pass_lower_omp): Declare.
14710 * diagnostic.h (debug_tree_chain): Declare.
14711 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14713 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14714 * builtins.c (build_string_literal): Make extern.
14715 * gcc.c (include_spec_function): New.
14716 (static_spec_functions): Add it.
14717 (main): Move load of libgomp.spec ...
14718 (LINK_COMMAND_SPEC): ... here.
14719 (link_gomp_spec): New.
14720 (static_specs): Include it.
14721 (LINK_COMMAND_SPEC): Add link_gomp.
14722 (GOMP_SELF_SPECS): New.
14723 (driver_self_specs): Include it.
14724 (switch_matches): Don't mark inline.
14725 (main): Load libgomp.spec.
14726 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14727 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14728 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14729 * tree-gimple.h (enum omp_parallel): Declare.
14730 (determine_parallel_type): Declare.
14731 (omp_firstprivatize_variable): Declare.
14732 (omp_reduction_init): Declare.
14733 (diagnose_omp_structured_block_errors): Declare.
14734 (struct walk_stmt_info): Add want_return_expr.
14735 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14736 (find_omp_clause): Declare.
14737 (insert_field_into_struct): Declare.
14738 (struct walk_stmt_info): Move from tree-nested.c
14739 (walk_stmts): Declare.
14740 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14742 * cgraphunit.c (cgraph_lower_function): Make static.
14743 (cgraph_finalize_pending_functions): New.
14744 (cgraph_finalize_function): Call it.
14745 (cgraph_finalize_compilation_unit): Likewise.
14746 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14747 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14748 (BT_FN_UINT_UINT): New.
14749 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14750 DEF_FUNCTION_TYPE_VAR_4): Document.
14751 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14752 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14753 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14754 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14755 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14756 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14757 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14758 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14759 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14760 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14761 into separate files.
14762 (DEF_GOMP_BUILTIN): New.
14763 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14764 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14765 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14766 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14767 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14768 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14769 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14770 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14771 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14772 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14773 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14774 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14775 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14776 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14777 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14778 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14779 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14780 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14781 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14782 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14783 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14784 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14785 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14786 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14787 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14788 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14789 * sync-builtins.def: New file, moved from builtins.def.
14790 * omp-builtins.def: New file, moved from builtins.def.
14791 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14792 * gimple-low.c (lower_function_body): Clear data.
14793 (lower_stmt): Do not handle COMPOUND_EXPR.
14794 Remove call to print_node_brief.
14795 * c-tree.h (c_finish_omp_clauses): New prototype.
14796 (C_DECL_THREADPRIVATE_P): Define.
14797 (lookup_name_no_remap, c_omp_remap_private): Remove
14798 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14799 (check_for_loop_decls): Update decl.
14800 (lookup_name_no_remap, c_omp_remap_private): Declare.
14801 (build_indirect_ref, build_modify_expr, pushdecl,
14802 pushdecl_top_level): Move to c-common.h.
14803 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14804 before the switch, but just in the 2 places that need it.
14805 * c-decl.c (diagnose_mismatched_decls): Do not check for
14806 mismatched thread-local attributes when OLDDECL is marked
14807 threadprivate and NEWDECL has no thread-local attributes.
14808 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14809 (c_gimple_diagnostics_recursively): Rename from
14810 c_warn_unused_result_recursively. Invoke
14811 diagnose_omp_structured_block_errors.
14812 (check_for_loop_decls): Return a singular decl found.
14813 * langhooks.c (lhd_omp_predetermined_sharing): Return
14814 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14815 (lhd_omp_firstprivatize_type_sizes): New.
14816 (lhd_omp_assignment): New.
14817 (lhd_omp_predetermined_sharing): New.
14818 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14819 (struct lang_hooks_for_types): Add
14820 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14821 omp_predetermined_sharing, omp_disregard_value_expr,
14822 omp_private_debug_clause, omp_clause_default_ctor,
14823 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14824 (c_finish_omp_clauses): New.
14825 (c_finish_bc_stmt): Diagnose break within omp for.
14826 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14827 (build_unary_op): Return error_mark after reporting
14829 (build_modify_expr): Likewise.
14830 * gimplify.c: Include optabs.h and pointer-set.h.
14831 (enum gimplify_omp_var_data): Declare.
14832 (struct gimplify_omp_ctx): Declare.
14833 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14835 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14836 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14837 (splay_tree_compare_decl_uid): New.
14838 (new_omp_context): New.
14839 (delete_omp_context): New.
14840 (gimple_add_tmp_var): Call omp_add_variable.
14841 (gimplify_bind_expr): Likewise.
14842 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14843 true, disregard DECL_VALUE_EXPR on the decl if any.
14844 (gimplify_expr_in_ctx): New.
14845 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14846 omp_add_variable, omp_notice_variable, omp_is_private
14847 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14848 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14849 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14850 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14851 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14852 gimplify_omp_atomic): New.
14853 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14854 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14855 OMP_CRITICAL and OMP_ATOMIC.
14856 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14857 * c-pragma.h (enum pragma_kind): Add
14858 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14859 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14860 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14861 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14862 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14863 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14864 PRAGMA_OMP_THREADPRIVATE.
14865 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14866 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14867 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14868 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14869 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14870 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14871 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14872 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14873 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14874 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14875 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14876 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14877 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14879 (struct nesting_info): Add field_map,
14880 suppress_expansion, debug_var_chain.
14881 (create_nesting_tree): Initialize them.
14882 (lookup_field_for_decl): Use field_map.
14883 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14884 (convert_local_omp_clauses): New.
14885 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14886 (walk_body): Split out of walk_function.
14887 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14888 (convert_nonlocal_reference): Handle omp statements.
14889 (convert_local_reference): Likewise.
14890 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14891 (unnest_nesting_tree): New.
14892 (lower_nested_functions): Call it.
14893 (insert_field_into_struct): Make extern.
14894 (struct walk_stmt_info): Move to tree-gimple.h.
14895 (walk_stmts): Make extern.
14896 * omp-builtins.def: New file.
14897 * tree-iterator.c (expr_only): Clarify comment.
14898 * c-common.h (pushdecl_top_level, pushdecl,
14899 build_modify_expr, build_indirect_ref,
14900 c_finish_omp_master, c_finish_omp_critical,
14901 c_finish_omp_ordered, c_finish_omp_barrier,
14902 c_finish_omp_atomic, c_finish_omp_flush,
14903 c_finish_omp_for, c_split_parallel_clauses,
14904 omp_clause_default_kind, c_omp_sharing_predetermined,
14905 c_omp_remap_decl): Declare.
14906 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14907 (OBJS-common): Add omp-low.o.
14908 (c-omp.o, omp-low.o): Add.
14909 (gimplify.o): Add dependency on $(OPTABS_H).
14910 (GTFILES): Add omp-low.c.
14911 (gt-stringpool.h): Add.
14912 * tree-cfg.c (set_bb_for_stmt): Do not update the
14913 block-to-labels map if we are currently expanding to RTL.
14914 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14916 Handle IDENTIFIER_NODE.
14917 (tree_verify_flow_info): Do not ICE when emitting error
14918 messages about invalid labels.
14919 (dump_function_to_file): Reset CFUN before emitting the body
14921 (debug_function): New.
14922 * passes.c (init_optimization_passes): Schedule
14924 * langhooks-def.h (lhd_omp_predetermined_sharing,
14925 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14927 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14928 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14929 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14930 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14931 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14932 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14933 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14934 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14935 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14936 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14937 (LANG_HOOK_DECLS): Use them.
14939 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14940 Richard Henderson <rth@redhat.com>
14941 Jakub Jelinek <jakub@redhat.com>
14942 Diego Novillo <dnovillo@redhat.com>
14944 * c-parser.c (pragma_omp_clause): Define.
14945 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14946 (c_parser_compound_statement): Likewise.
14947 (c_parser_statement): Likewise.
14948 (c_parser_pragma): Handle omp pragmas.
14949 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14950 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14951 (c_parser_omp_clause_name, check_no_duplicate_clause,
14952 c_parser_omp_variable_list,
14953 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14954 c_parser_omp_clause_copyprivate,
14955 c_parser_omp_clause_default,
14956 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14957 c_parser_omp_clause_lastprivate,
14958 c_parser_omp_clause_nowait,
14959 c_parser_omp_clause_num_threads,
14960 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14961 c_parser_omp_clause_reduction,
14962 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14963 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14964 c_parser_omp_atomic, c_parser_omp_barrier,
14965 c_parser_omp_critical, c_parser_omp_flush,
14966 c_parser_omp_for_loop, c_parser_omp_for,
14967 c_parser_omp_master, c_parser_omp_ordered,
14968 c_parser_omp_sections_scope, c_parser_omp_sections,
14969 c_parser_omp_parallel, c_parser_omp_single,
14970 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14971 * c-pragma.c (init_pragma): Do omp pragma registration here.
14972 * c.opt (fopenmp): New flag.
14974 2006-01-18 Eric Christopher <echristo@apple.com>
14976 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14977 * config/darwin.h (GOMP_SELF_SPECS): Define.
14979 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14981 * rtl.h: Remove the prototype for reg_alloc.
14983 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14986 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14987 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14988 sjlj and dwarf2 exception handling.
14989 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14990 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14991 * pa/pa.c (function_value): Treat complex and vector types as
14993 (function_arg): Likewise. Only pass scalar floats in the floating
14994 point argument registers.
14995 * pa/t-slibgcc-dwarf-ver: New file.
14996 * pa/t-slibgcc-sjlj-ver: New file.
14997 * pa/t-slibgcc-elf-ver: Delete file.
14999 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15001 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15002 unlikely_test_section_p test.
15004 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15006 * mode-switching.c (optimize_mode_switching): Make it static.
15007 * basic-block.h: Remove the prototype for
15008 optimize_mode_switching.
15010 * modulo-sched.c (sms_schedule): Make it static.
15011 * rtl.h: Remove the prototype for sms_schedule.
15013 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15014 * rtl.h: Remove the prototype for gcse_after_reload_main.
15016 * reg-stack.c (reg_to_stack): Make it static.
15017 * rtl.h: Remove the prototype for reg_to_stack.
15019 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15021 * rtl.h: Remove the prototypes for regrename_optimize and
15022 copyprop_hardreg_forward.
15024 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15026 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15027 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15028 Test against the appropriate null constant for the mode.
15029 If 'fixup_overlap' is true, swap the operands if they overlap.
15030 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15031 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15032 alpha_split_tmode_pair and adjust for above change.
15033 * config/alpha/alpha.md (movtf_internal): Adjust call to
15034 alpha_split_tfmode_pair and rely on it to swap the operands.
15035 (movti_internal): New insn and post-reload splitter.
15036 (movti): New expander.
15038 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15040 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15043 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15045 * rtlanal.c (global_reg_mentioned_p_1,
15046 global_reg_mentioned_p): Remove.
15047 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15049 * flow.c (initialize_uninitialized_subregs): Make it static.
15050 * rtl.h: Remove the prototype for
15051 initialize_uninitialized_subregs.
15053 * function.c (instantiate_virtual_regs): Make it static.
15054 * function.h: Remove the prototype for
15055 instantiate_virtual_regs.
15057 * regmove.c (regmove_optimize, combine_stack_adjustments):
15059 * rtl.h: Remove the prototypes for regmove_optimize and
15060 combine_stack_adjustments.
15062 2006-01-17 Roger Sayle <roger@eyesopen.com>
15064 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15065 (size_cost): Encode costs in bytes so that a reg-reg addition is
15066 equivalent to COSTS_N_INSNS(1).
15067 (override_options): Use the size_cost.branch_cost as the default
15068 ix86_branch_cost when optimizing for size.
15070 2006-01-18 Ben Elliston <bje@au.ibm.com>
15072 * Makefile.in (D32PBIT_FUNCS): New.
15073 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15074 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15075 D64PBIT_FUNCS and D128PBIT_FUNCS.
15076 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15077 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15079 (decnumber_dep): Define.
15080 * doc/libgcc.texi (Decimal float library routines): New node.
15081 * config/dfp-bit.h, config/dfp-bit.c: New files.
15083 2006-01-18 Ben Elliston <bje@au.ibm.com>
15085 * expr.c (emit_move_change_mode): Always adjust addresses, not
15086 just during reload. Copy replacements only during reload.
15087 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15088 emit_move_via_integer.
15090 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15092 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15093 instead of $(srcdir) and ${srcdir}.
15095 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15098 PR middle-end/11135
15099 * arm.h (struct machine_function): Add pic_reg.
15100 * arm.c (arm_pic_register): Make unsigned.
15101 (arm_override_options): Only set arm_pic_register if
15102 TARGET_SINGLE_PIC_BASE.
15103 (use_return_insn): Only test for a pic register if it is fixed.
15104 (arm_compute_save_reg0_reg12_mask): Likewise.
15105 (thumb_compute_save_reg_mask): Likewise.
15106 (legitimate_pic_operand): Factor out some known invariants.
15107 (legitimize_pic_address): If we don't have a fixed pic register,
15108 then set up a pseudo in the function entry sequence. Handle the
15109 pic base being in a pseudo.
15110 (arm_load_pic_register): Handle the pic register being in a pseudo.
15111 (arm_expand_prologue): Only set up the pic register if it is fixed.
15112 (thumb_expand_prologue): Likewise.
15113 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15114 (pic_load_addr_based_insn): Likewise.
15115 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15118 2006-01-18 Ben Elliston <bje@au.ibm.com>
15120 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15121 decimal float modes for all floating point registers.
15123 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15124 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15126 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15129 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15130 even when the pointer is not NULL.
15132 2006-01-16 Ian Lance Taylor <ian@airs.com>
15134 * common.opt (ftoplevel-reorder): New option.
15135 * cgraph.c (cgraph_asm_nodes): New global variable.
15136 (cgraph_asm_last_node): New static variable.
15137 (cgraph_order): New global variable.
15138 (cgraph_create_node): Set new order field.
15139 (cgraph_varpool_node): Likewise.
15140 (decide_is_variable_needed): Return true if not
15141 flag_toplevel_reorder.
15142 (cgraph_add_asm_node): New function.
15143 * cgraph.h (struct cgraph_node): Add order field.
15144 (struct cgraph_varpool_node): Add order field.
15145 (struct cgraph_asm_node): Define.
15146 (cgraph_asm_nodes, cgraph_order): Declare.
15147 (cgraph_add_asm_node): Declare.
15148 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15150 (cgraph_varpool_assemble_pending_decls): Call it.
15151 (cgraph_output_pending_asms): New static function.
15152 (cgraph_finalize_compilation_unit): Call it.
15153 (struct cgraph_order_sort): Define.
15154 (cgraph_output_in_order): New static function.
15155 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15156 !flag_toplevel_reorder case.
15157 * c-parser.c: Include "cgraph.h".
15158 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15160 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15161 than -fno-unit-at-a-time.
15162 * doc/invoke.texi (Option Summary): Mention
15163 -fno-toplevel-reorder.
15164 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15165 -funit-at-a-time documentation.
15167 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15168 Kazu Hirata <kazu@codesourcery.com>
15170 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15172 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15174 * Makefile.in (FUNCTION_H): New. Use it instead of
15175 function.h throughout the file.
15176 * function.h: Include tree.h.
15178 2006-01-17 Ben Elliston <bje@au.ibm.com>
15180 * recog.c: Separate some functions with whitespace.
15182 2006-01-16 Richard Henderson <rth@redhat.com>
15184 Merge from gomp branch:
15185 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15186 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15187 and rename from struct inline_data. Rename callee* to dst*;
15188 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15189 transform_new_cfg, transform_return_to_modify, and
15190 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15192 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15193 (copy_decl_for_dup): Remove.
15194 * tree-inline.c (struct inline_data): Move to header.
15195 (insert_decl_map): Export.
15196 (remap_decl): Update for member name changes. Use copy_decl hook.
15197 Allow for replacement to be a non-decl. Remove dead code.
15198 (remap_type_1): Check for existing mapping.
15199 (remap_type): Export.
15200 (remap_decls): Update for member name changes.
15201 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15202 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15203 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15204 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15205 (tree_function_versioning, build_duplicate_type): Likewise.
15206 (copy_body_r): Likewise. Export.
15207 (copy_decl_for_dup): Split into ...
15208 (copy_decl_for_dup_finish, copy_decl_to_var,
15209 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15210 (replace_ref_tree, inlining_p): Remove.
15212 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15214 * ifcvt.c (if_convert): Make it static.
15215 * rtl.h: Remove the prototype for if_convert.
15217 * local-alloc.c (local_alloc): Make it static.
15218 * rtl.h: Remove the prototype for local_alloc.
15220 * loop.c (loop_optimize): Make it static.
15221 * cfgloop.h: Remove the prototype for loop_optimize.
15224 2006-01-16 DJ Delorie <dj@redhat.com>
15226 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15229 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15231 * pa.md: Disparage copies between general and floating-point registers
15232 in 32-bit move patterns.
15234 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15237 * Makefile.in (check-%): Depend on site.exp instead of
15238 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15241 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15243 * global.c (global_alloc): Make it static.
15244 * rtl.h: Remove the prototype for global_alloc.
15246 2006-01-16 Richard Guenther <rguenther@suse.de>
15248 * tree-ssa-alias.c (struct used_part): Add write_only field.
15249 (get_or_create_used_part_for): Initialize it to true.
15250 (create_overlap_variables_for): Don't create structure variables
15251 for structures that only are written to.
15252 (find_used_portions): Handle MODIFY_EXPR to track whether a
15253 structure is only written to.
15255 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15257 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15259 * basic-block.h: Remove the prototype for
15260 partition_hot_cold_basic_blocks.
15262 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15264 * cppspec.c (lang_specific_spec_functions): Remove.
15265 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15266 * gcc.h (lang_specific_spec_functions): Remove.
15267 * gccspec.c (lang_specific_spec_functions): Remove.
15269 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15271 * combine.c (record_value_for_reg): Invalidate registers
15273 (record_dead_and_set_regs_1): Likewise, by passing them to
15274 record_value_for_reg.
15275 (record_dead_and_set_regs): Invalidate stores made by a
15276 call. We do not combine across a call, but we still
15277 relied on equivalences.
15279 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15281 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15282 vrp_int_const_binop returning non-constant nodes.
15284 2006-01-16 Paul Brook <paul@codesourcery.com>
15286 * config/m68k/m68k.c (output_move_const_into_data_reg):
15287 Output correct mnemonic for mvz and mvs.
15289 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15291 * rtl-factoring.c: Add sequence abstraction algorithm.
15292 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15293 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15295 (block_has_preserve_label): New function.
15296 * common.opt: Register new pass.
15297 * Makefile.in: Ditto.
15299 * timevar.def: Ditto.
15300 * tree-pass.h: Ditto.
15301 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15302 * rtl.h (make_jump_insn_raw): Add forward decl.
15303 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15305 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15306 Roger Sayle <roger@eyesopen.com>
15308 * fold-const.c (fold_minmax): New static function.
15309 (fold_binary) <MIN_EXPR>: Call it.
15310 <MAX_EXPR>: Likewise.
15311 * stor-layout.c (place_field): Use DECL_SIZE consistently
15312 in the computation of the new record size.
15314 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15316 * cse.c (cse_condition_code_reg): Make it static.
15317 * rtl.h: Remove the prototype for cse_condition_code_reg.
15319 * combine.c (combine_instructions): Make it static.
15320 * rtl.h: Remove the prototype for combine_instructions.
15322 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15325 * tree.c (get_file_function_name_long): Concatenate the first global
15326 object name with a string derived from the input filename of the object
15329 2006-01-16 Ben Elliston <bje@au.ibm.com>
15331 * config/i386/winnt-stubs.c: Update FSF address.
15332 * config/xtensa/ieee754-df.S: Ditto.
15333 * config/xtensa/ieee754-sf.S: Ditto.
15335 2006-01-14 Ian Lance Taylor <ian@airs.com>
15337 * ifcvt.c (noce_init_if_info): New static function, broken out of
15338 noce_process_if_block.
15339 (noce_process_if_block): Call noce_init_if_info.
15340 (check_cond_move_block): New static function.
15341 (cond_move_process_if_block): New static function.
15342 (process_if_block): Call cond_move_process_if_block.
15344 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15346 * cselib.c (hash_table): Rename to cselib_hash_table.
15347 (cselib_clear_table, discard_useless_values,
15348 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15349 cselib_init, cselib_finish): Adjust uses of hash_table.
15351 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15353 PR tree-optimization/25485
15354 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15355 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15356 is known to be false and true, respectively.
15358 2006-01-14 Richard Guenther <rguenther@suse.de>
15360 PR tree-optimization/22548
15361 PR tree-optimization/22555
15362 PR tree-optimization/22501
15363 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15364 * params.def (salias-max-array-elements): New parameter.
15365 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15366 * doc/invoke.texi (salias-max-array-elements): Document.
15367 * tree-flow-inline.h (var_can_have_subvars): We also handle
15369 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15371 * tree-ssa-structalias.c (params.h): Include.
15372 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15373 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15374 (get_constraint_for): For ADDR_EXPR operating on something
15375 containing an ARRAY_REF, add all subvars to the solution.
15376 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15377 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15378 for creating MUST_DEFs.
15379 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15381 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15383 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15385 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15386 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15387 number_of_iterations_le): New functions.
15388 (number_of_iterations_special): Removed.
15389 (number_of_iterations_exit): Do not use number_of_iterations_special.
15390 * tree.c (unsigned_type_for): Always return integer type.
15392 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15393 Richard Guenther <rguenther@suse.de>
15395 PR rtl-optimization/24257
15396 * gcse.c (find_moveable_store): Only consider a store movable
15397 when the SET_SRC of the insn can be assigned to a register.
15399 2006-01-14 Ian Lance Taylor <ian@airs.com>
15401 * tree.c (tree_not_class_check_failed): New function.
15402 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15403 (tree_not_class_check_failed): Declare.
15405 2006-01-13 Ian Lance Taylor <ian@airs.com>
15407 * reload1.c (do_output_reload): Add assertion rejecting a
15410 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15412 * combine.c (struct reg_stat): Add new fields truncation_label and
15414 (record_value_for_reg): Reset truncated_to_mode.
15415 (record_truncated_value): New function.
15416 (check_promoted_subreg): Call it. Rename to check_conversions.
15417 (combine_instructions): Rename check_promoted_subreg to
15419 (reg_truncated_to_mode): New function.
15420 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15421 (gen_lowpart_or_truncate): New function.
15422 (force_to_mode): Use it instead of gen_lowpart.
15424 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15426 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15427 VAR is a tag, not its type tag.
15429 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15431 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15432 alternatives to match style of other entries.
15433 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15435 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15437 PR tree-optimization/25771
15438 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15441 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15444 * tree-inline.c (declare_return_variable): If the return variable
15445 was marked as a non gimple complex, set the return slot variable
15446 to be a non gimple comple variable.
15448 2006-01-13 Richard Guenther <rguenther@suse.de>
15450 * builtins.c (expand_builtin_sincos): New function.
15451 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15453 (expand_builtin): Expand sincos using expand_builtin_sincos.
15455 2006-01-12 DJ Delorie <dj@redhat.com>
15457 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15458 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15459 so that constant shifts can be split.
15460 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15461 (m32c_valid_pointer_mode): Make static.
15462 (shift_gen_func_for): New.
15463 (m32c_prepare_shift): Use it. Split large const shifts into
15465 * config/m32c/predicates.md (shiftcount_operand): Allow more
15467 (longshiftcount_operand): New.
15468 * doc/md.texi (Machine Constraints): Document In6.
15470 2006-01-13 Ben Elliston <bje@au.ibm.com>
15472 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15473 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15476 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15478 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15479 to try to avoid clobbering pieces of structures when we know
15480 something about the whole structure.
15481 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15483 2006-01-13 Ben Elliston <bje@au.ibm.com>
15485 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15486 return in memory, as this is no limitation is no longer present.
15488 2006-01-12 DJ Delorie <dj@redhat.com>
15490 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15491 mova with fb, and for fb+0 -> An.
15493 * config/m32c/mov.md (peephole2): Fix enabling logic.
15495 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15496 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15497 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15498 FINI_ARRAY_SECTION_ASM_OP): Define.
15500 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15502 (m32c_legitimize_reload_address): New logic to reload FB to An.
15503 (m32c_output_reg_push): Add newline.
15504 (m32c_output_reg_pop): Likewise.
15506 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15508 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15510 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15512 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15514 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15516 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15519 2006-01-11 Ben Elliston <bje@au.ibm.com>
15521 * rtlanal.c (find_reg_note): Assert insn is not null.
15523 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15525 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15528 2006-01-11 Jeff Law <law@redhat.com>
15530 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15532 (mark_threaded_blocks, register_jump_thread): New functions.
15533 (thread_through_all_blocks): Remove unwanted argument. No
15534 longer rely on e->aux to communicate thread target info.
15535 Call mark_threaded_blocks. Release the threaded_blocks
15536 bitmap and threaded_edges vector when complete.
15537 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15538 (threaded_blocks): Remove.
15539 (tree_ssa_dominator_optimize): Remove initialization and
15540 finalization of threaded_blocks. Simplify call to
15541 thread_through_all_blocks.
15542 (thread_across_edge): Call register_jump_thread rather than
15543 storing thread information into e->aux.
15544 (free_all_edge_infos): Simplify now that e->aux is no longer
15545 used to communicate with thread_through_all_blocks.
15546 * tree-flow.h (thread_through_all_blocks): Update prototype.
15547 (register_jump_thread): Prototype.
15549 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15551 * df-core.c (df_compact_blocks, df_bb_replace): Use
15552 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15554 2006-01-11 Richard Guenther <rguenther@suse.de>
15556 PR tree-optimization/25734
15557 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15558 stop propagation after successful propagation to the LHS.
15560 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15562 * basic-block.h (control_flow_graph): Change the type of
15563 x_basic_block_info to VEC(basic_block,gc) *.
15564 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15566 (SET_BASIC_BLOCK): New.
15567 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15568 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15569 * cfgbuild.c (find_basic_blocks): Likewise.
15570 * cfglayout.c (fixup_reorder_chain): Likewise.
15571 * cfgrtl.c (create_basic_block_structure,
15572 rtl_create_basic_block): Likewise.
15573 * ifcvt.c (find_if_case_1): Likewise.
15574 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15577 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15579 * Makefile.in: Removed rotted odf.c entry.
15581 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15584 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15585 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15586 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15587 output pattern modifier, not %e.
15588 * config/cris/cris.c (cris_op_str): Update comment about pattern
15590 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15591 before falling through into...
15592 <case 'E'>: Redefined from old 'e' case.
15594 2006-01-11 Jan Hubicka <jh@suse.cz>
15597 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15599 2006-01-11 Jan Hubicka <jh@suse.cz>
15601 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15602 * i386.c (x86_decompose_lea): Kill.
15603 (ix86_rtx_costs): Kill.
15605 2006-01-11 Jan Hubicka <jh@suse.cz>
15607 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15608 * cgraph.h (cgraph_node): Add inline_decl.
15609 (cgraph_insert_node_to_hashtable): Declare.
15610 (save_inline_function_body): Declare.
15611 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15613 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15614 (cgraph_function_versioning): Update call of tree_function_versioning.
15615 (save_inline_function_body): New function.
15616 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15617 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15618 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15619 (cgraph_default_inline_p): Likewise.
15620 (cgraph_decide_inlining_incrementally): Likewise.
15621 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15622 (copy_bb): Kill saving; do updating of clones.
15623 (copy_cfg_body): Kill saving.
15624 (initialize_inlined-parameters): Likewise.
15625 (expand_call_inline): Likewise.
15627 (tree_function_versioning): New parameter "update_clones".
15628 (inlining_p): Kill saving.
15629 * tree-inline.h (tree_function_versioning): Update prototype.
15630 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15633 2006-01-11 Ian Lance Taylor <ian@airs.com>
15635 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15636 Allow undoing set of machine mode.
15637 (do_SUBST): Use enums instead of is_int.
15638 (do_SUBST_MODE): New function.
15639 (SUBST_MODE): New macro.
15640 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15641 reg and trying to replace reg_regno_rtx with a new register.
15642 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15643 (simplify_set): Use SUBST_MODE.
15644 (distribute_notes): Remove code that tried to update reg notes
15645 for regno_reg_rtx changes.
15647 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15649 PR tree-optimization/23109
15650 PR tree-optimization/23948
15651 PR tree-optimization/24123
15653 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15654 * tree-cfg.c (single_noncomplex_succ): New.
15655 * tree-flow.h (single_noncomplex_succ): Declare it.
15656 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15657 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15658 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15659 insert_bb, register_division_in, insert_reciprocals,
15660 replace_reciprocal, free_bb): New.
15661 (execute_cse_reciprocals_1): Rewritten.
15662 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15663 Do not commit any edge insertion. Always compute dominators and
15664 create the allocation pool.
15665 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15666 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15667 * targhooks.c (default_min_divistions_for_recip_mul): New.
15668 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15669 * passes.c (init_optimization_passes): Run recip after tree loop
15671 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15673 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15674 Kenneth Zadeck <zadeck@naturalbridge.com>
15676 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15677 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15678 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15679 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15680 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15681 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15682 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15683 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15684 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15685 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15686 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15687 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15688 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15689 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15690 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15691 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15692 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15693 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15694 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15695 DF_SCAN_POST_ALLOC): New macros.
15696 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15697 df_free_bb_function, df_local_compute_function, df_init_function,
15698 df_dataflow_function, df_confluence_function_0,
15699 df_confluence_function_n, df_transfer_function,
15700 df_finalizer_function, df_free_function, df_dump_problem_function,
15701 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15702 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15703 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15704 df_urec_bb_info, ) New types.
15705 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15707 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15708 df_analyze_simple_change_some_blocks,
15709 df_analyze_simple_change_one_block, df_compact_blocks,
15710 df_bb_replace, df_bb_regno_last_use_find,
15711 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15712 df_insn_regno_def_p, df_find_def, df_find_use,
15713 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15714 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15715 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15716 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15717 debug_df_chain, df_get_dependent_problem, df_chain_create,
15718 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15719 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15720 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15721 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15722 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15723 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15724 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15725 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15726 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15727 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15728 df_reorganize_refs, df_set_state, df_hard_reg_init,
15729 df_read_modify_subreg_p) New public functions.
15730 * df-core.c: The core dataflow solver and glue routines for rtl
15732 (df_init, df_add_problem, df_set_blocks, df_finish,
15733 df_hybrid_search_forward, df_hybrid_search_backward,
15734 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15735 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15736 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15737 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15738 df_reg_defined, df_find_use, df_reg_used, df_dump,
15739 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15740 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15741 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15742 debug_df_useno, reset_df_after_reload): New functions.
15743 * df-scan.c: The scanning fuctions, once in df.c, completely
15744 rewritten so that they now fully model the functionality of
15745 register usage at the backend.
15746 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15747 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15748 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15749 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15750 df_get_artificial_defs, df_get_artificial_uses,
15751 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15752 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15753 df_refs_delete, df_reorganize_refs, df_set_state,
15754 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15755 df_def_record_1, df_defs_record, df_uses_record,
15756 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15757 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15758 df_record_exit_block_uses, df_hard_reg_init): New functions.
15760 * df-problems.c: Seven concrete dataflow problems that use the
15761 scanning in df-scan.c and are solved by the engine in df-core.c.
15762 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15763 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15764 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15765 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15766 df_ru_free_bb_info, df_ru_alloc,
15767 df_ru_bb_local_compute_process_def,
15768 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15769 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15770 df_ru_transfer_function, df_ru_free, df_ru_dump,
15771 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15772 df_rd_free_bb_info, df_rd_alloc,
15773 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15774 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15775 df_rd_transfer_function, df_rd_free, df_rd_dump,
15776 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15777 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15778 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15779 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15780 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15781 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15782 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15783 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15784 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15785 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15786 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15787 df_urec_mark_reg_use_for_earlyclobber,
15788 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15789 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15790 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15791 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15792 df_chain_create_bb_process_use, df_chain_create_bb,
15793 df_chain_finalize, df_chain_free, df_chains_dump,
15794 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15795 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15796 df_reg_lifetime): New functions.
15797 * df.c: Deleted file.
15798 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15799 consistent with new df api.
15800 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15801 rest_of_handle_sms): Ditto.
15802 * web.c (unionfind_union, union_defs, entry_register, web_main):
15804 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15805 invariant_expr_equal_p, find_defs, check_dependencies,
15806 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15807 free_inv_motion_data, move_loop_invariants): Ditto.
15808 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15809 Update dependencies.
15810 (odf.c): Added defective entry that was deleted later in day.
15811 * sched-deps.c (sched_analyze_1): Ditto.
15813 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15815 * tree-ssa-operands.c (get_expr_operands): Record addressable
15816 variables directly. Do not call add_stmt_operands for CONST_DECLs
15818 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15819 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15821 2006-01-11 Ben Elliston <bje@au.ibm.com>
15823 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15824 function returns true in the positive case.
15826 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15829 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15830 for SI, DI, SF and DF modes. Add alternatives to copy between
15831 general and floating point registers to the 32-bit patterns.
15832 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15833 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15834 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15835 generating 64-bit code.
15836 * config/pa/pa.c (output_move_double): Handle copies between general
15837 and floating registers.
15839 2006-01-10 Stuart Hastings <stuart@apple.com>
15841 * config/i386/i386.md (set_got): Update.
15842 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15843 (builtin_setjmp_receiver): Mach-O support.
15844 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15845 (GOT_SYMBOL_NAME): Define.
15846 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15847 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15848 * config/i386/i386.c (override_options): Revise for Darwin.
15849 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15850 support. (darwin_x86_file_end): New. (output_set_got): Add label
15851 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15852 * config/i386/i386-protos.h (output_set_got): Likewise.
15853 * config/darwin.c (machopic_legitimize_pic_address): Update
15856 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15858 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15859 when MODE isn't BLKmode.
15861 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15863 PR rtl-optimization/25367
15864 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15866 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15869 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15870 for a negative bound.
15872 2006-01-10 Richard Guenther <rguenther@suse.de>
15874 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15875 Never override with anything constraint.
15877 2006-01-10 Jan Beulich <jbeulich@novell.com>
15879 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15880 256 bits when optimize_size.
15882 2006-01-10 Jan Beulich <jbeulich@novell.com>
15884 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15886 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15887 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15890 2006-01-10 Ben Elliston <bje@au.ibm.com>
15892 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15894 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15895 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15896 (USE_FP_FOR_ARG): Reject decimal float modes.
15897 (function_arg_advance): Likewise.
15898 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15899 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15900 point types in AltiVec vectors.
15901 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15902 (rs6000_libcall_value): Likewise.
15904 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15906 * config/xtensa/ieee754-df.S: New file.
15907 * config/xtensa/ieee754-sf.S: New file.
15908 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15909 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15910 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15912 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15914 * config/sh/predicates.md (binary_float_operator,
15915 binary_logical_operator, commutative_float_operator,
15916 equality_comparison_operator, greater_comparison_operator,
15917 less_comparison_operator, logical_operator,
15918 noncommutative_float_operator, shift_operator,
15919 symbol_ref_operand, unary_float_operator): Remove redundant
15922 2006-01-09 Jeff Law <law@redhat.com>
15924 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15925 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15926 now unused arguments. Callers updated.
15927 (eliminate_redundant_computations): Remove now unused arguments,
15929 (local_fold): Remove, no longer used.
15930 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15932 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15933 (simplify_cond): New function.
15934 (forward_propagate_into_cond): Call simplify_cond.
15936 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15938 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15939 (*vec_extractv2di_1_sse): New.
15941 2006-01-09 Ben Elliston <bje@au.ibm.com>
15943 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15945 2006-01-08 Richard Guenther <rguenther@suse.de>
15947 * tree-ssa-structalias.c (get_constraint_for): Remove
15948 anyoffset argument.
15949 (get_constraint_for_component_ref): Likewise.
15950 (do_deref): Likewise.
15951 (get_constraint_for): Likewise.
15952 (do_structure_copy): Likewise.
15953 (handle_ptr_arith): Likewise.
15954 (find_func_aliases): Likewise. Remove unused need_anyoffset
15957 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15958 Kaz Kojima <kkojima@gcc.gnu.org>
15960 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15961 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15962 (EXTRA_CONSTRAINT_C16): Remove.
15963 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15964 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15965 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15966 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15967 constants of SHmedia. Handle nested constant expressions of
15969 (andcosts): Fix the costs for SHmedia constants.
15970 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15971 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15972 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15973 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15974 (movv4hi_i, movv2si_i): Likewise.
15975 (movsi_const): Adjust the second operand of ior so to match with
15976 the Csu constraint.
15977 (movdi_const, movdi_const_32bit): Likewise.
15978 (movdi_const_16bit+1): Don't sign-extend LOW.
15979 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15981 (*double_shori): Fix the split condition. Use GEN_INT instead
15982 of get_int_mode calls. Mask lower 16-bit of the argument of
15984 (sym2GOTPLT): Remove.
15985 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15987 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15988 instead of EXTRA_CONSTRAINT_C16.
15990 2006-01-07 Ian Lance Taylor <ian@airs.com>
15991 David Edelsohn <edelsohn@gnu.org>
15993 PR rtl-optimization/25662
15994 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15995 for constant operands instead of simplify_gen_binary.
15996 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15997 after trying simplify_binary_operation
15999 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16001 * tree.c (iterative_hash_expr): Hash decls based on UID.
16003 2006-01-06 Eric Christopher <echristo@apple.com>
16005 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16006 (TARGET_UNWIND_EMIT): Fix spelling.
16007 * target.h (gcc_target): Add except_table_label.
16008 * except.c (output_function_exception_table): Use.
16009 * varasm.c (default_emit_except_table_label): New.
16010 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16012 (asm_out): Add here.
16013 * output.h (default_emit_except_table_label): Prototype.
16014 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16015 * config/darwin.c (darwin_emit_except_table_label): Define.
16016 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16018 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16020 PR tree-optimization/18527
16021 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16022 number_of_iterations_special, number_of_iterations_exit):
16023 Move base and step of an iv to a single structure. Add
16024 no_overflow flag, and use it in # of iterations analysis.
16025 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16026 folded_casts argument.
16027 (simple_iv): Pass base and step in a structure. Set no_overflow
16029 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16030 Evaluate expensiveness of computing # of iterations instead of
16031 the final expression.
16032 * tree-scalar-evolution.h (affine_iv): New structure.
16033 (simple_iv): Declaration changed.
16034 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16035 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16036 find_givs_in_stmt): Changed due to simple_iv change.
16038 2006-01-06 Jeff Law <law@redhat.com>
16041 * tree-cfg.c (bsi_replace): Rename final argument from
16042 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16043 change (stmt -> orig_stmt).
16044 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16045 (bsi_remove): Add new argument. Remove EH information
16047 (verify_eh_throw_table_statements): New function.
16048 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16050 * tree-optimize.c (execute_free_cfg_annotations): Verify
16051 the EH throw statement table after removing annotations.
16052 * except.h (verify_eh_throw_table_statements): Prototype.
16053 * tree-flow.h (bsi_remove): Update prototype.
16054 * tree-vrp.c (remove_range_assertions): Add new argument to
16056 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16057 * tree-complex.c (expand_complex_div_wide): Likewise.
16058 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16059 * tree-tailcall.c (eliminate_tailcall): Likewise.
16060 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16061 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16062 * tree-nrv.c (tree_nrv): Likewise.
16063 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16064 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16065 (combine_blocks): Likewise.
16066 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16067 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16068 (cleanup_control_flow): Likewise.
16069 (remove_forwarder_block): Likewise.
16070 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16071 * tree-sra.c (sra_replace): Likewise.
16072 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16073 (forward_propagate_single_use_vars): Likewise.
16074 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16075 * tree-inline.c (expand_call_inline): Likewise.
16076 * tree-vect-transform.c (vect_transform_loop): Likewise.
16077 * tree-outof-ssa.c (rewrite_trees): Likewise.
16078 * tree-cfg.c (make_goto_expr_edges): Likewise.
16079 (cleanup_dead_labels): Likewise.
16080 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16081 (bsi_move_before, bsi_move_after): Likewise.
16082 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16083 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16085 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16088 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16090 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16091 on non gimple variables. Also add checks at the top for decls and
16093 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16095 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16096 and IMAGPART_EXPR for creating MUST_DEFs.
16097 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16098 and NAME_MEMORY_TAG separately from the DECLs.
16100 2006-01-06 Richard Guenther <rguenther@suse.de>
16102 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16103 annotation, if necessary.
16104 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16105 redundant calls to update_stmt.
16106 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16109 2006-01-05 Richard Henderson <rth@redhat.com>
16111 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16113 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16115 * c-typeck.c: Update copyright date.
16117 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16119 * c-typeck.c (build_c_cast): Always warn when casting
16120 from a pointer to an integer of different size, even if
16121 the node was constant.
16123 2006-01-05 Richard Guenther <rguenther@suse.de>
16125 PR tree-optimization/22555
16126 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16127 if one structure field is an array.
16128 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16129 operands even if we found a subvar, but ignore VOPs in this
16131 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16133 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16135 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16137 PR middle-end/24998
16138 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16140 2006-01-05 Richard Guenther <rguenther@suse.de>
16141 Diego Novillo <dnovillo@redhat.com>
16143 * tree-pass.h (TODO_remove_unused_locals): Define.
16144 * gimple-low.c (expand_var_p, remove_useless_vars,
16145 pass_remove_useless_vars): Remove. Update all users.
16146 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16147 (remove_unused_locals): New function.
16148 * tree-flow.h (remove_unused_locals): Declare.
16149 * passes.c (execute_todo): Call remove_unused_locals if
16150 TODO_remove_unused_locals is set.
16151 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16152 * tree-ssa-dce.c (pass_dce): Likewise.
16153 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16155 2006-01-05 Richard Guenther <rguenther@suse.de>
16157 * tree-flow.h (struct fieldoff): Decompose field to
16158 type, size and decl.
16159 * tree-ssa-alias.c (create_sft): Take type as parameter.
16160 (create_overlap_variables_for): Store type, size and decl
16161 in the fieldoff structure.
16162 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16163 of struct fieldoff.
16164 (push_fields_onto_fieldstack): Likewise.
16165 (create_variable_info_for): Likewise. Use offset for the
16166 SFT name if the decl is not available.
16168 2006-01-04 Paul Brook <paul@codesourcery.com>
16170 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16172 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16174 * lambda-code.c (can_put_in_inner_loop): Relax
16176 (can_put_after_inner_loop): New function.
16177 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16178 (perfect_nestify): Change to make copies and modify uses.
16180 2006-01-04 Richard Henderson <rth@redhat.com>
16182 Merge from gomp branch:
16183 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16184 via integer constant.
16185 (pragma_lex): Remove.
16186 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16187 rather than parsing it.
16188 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16189 handle_pragma_extern_prefix): Add %< %> quotes.
16190 (registered_pragmas): New.
16191 (c_register_pragma_1): New.
16192 (c_register_pragma): Use it.
16193 (c_register_pragma_with_expansion): Likewise.
16194 (c_invoke_pragma_handler): New.
16195 (init_pragma): Use cpp_register_deferred_pragma directly for
16197 * c-pragma.h (enum pragma_kind): New.
16198 (pragma_handler): New.
16199 (c_invoke_pragma_handler): Declare.
16200 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16202 * c-common.h (c_common_pch_pragma): Update decl.
16203 * Makefile.in (c-parser.o): Update dependencies.
16204 (GTFILES): Add c-pragma.h.
16205 * c-parser.c (struct c_token): Add pragma_kind.
16206 (struct c_parser): Add in_pragma.
16207 (c_lex_one_token): Always initialize keyword and pragma_kind.
16208 Extract data for CPP_PRAGMA.
16209 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16210 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16211 Don't allow CPP_PRAGMA_EOL if in_pragma.
16212 (c_parser_consume_pragma): New.
16213 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16214 (c_parser_skip_to_end_of_parameter): Likewise.
16215 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16216 (c_parser_skip_to_pragma_eol): New.
16217 (c_parser_external_declaration): Handle CPP_PRAGMA.
16218 (c_parser_compound_statement_nostart): Likewise.
16219 (c_parser_statement_after_labels): Likewise.
16220 (c_parser_pragma): New.
16221 (pragma_lex): Likewise.
16222 (c_parser_pragma_pch_preprocess): New.
16223 (c_parser_new): Merge into ...
16224 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16226 2006-01-04 Jeff Law <law@redhat.com>
16229 * tree-cfg.c (bsi_replace): Remove the original statement
16230 from the EH throw statement table.
16232 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16234 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16235 make the prototype extern "C" and add throw ().
16238 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16239 and pos non-negative and pos + len <= 32.
16240 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16241 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16242 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16245 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16246 as well as sizes not multiple of component size.
16249 * function.c (instantiate_expr): New function.
16250 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16251 walk its DECL_VALUE_EXPR with instantiate_expr.
16253 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16254 DW_OP_deref{,_size} if address isn't going to be added.
16256 2006-01-04 Ben Elliston <bje@au.ibm.com>
16258 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16259 * config/fp-bit.c: Likewise.
16261 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16263 * dominance.c: Add comment about why we use DFS numbering
16266 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16267 Richard Henderson <rth@redhat.com>
16269 Merge from gomp-branch:
16270 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16271 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16273 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16275 PR rtl-optimization/25578
16276 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16277 pass a parameter to simplify_shift_const if changing ASHIFTRT
16280 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16282 * builtins.c (get_builtin_sync_mem): New function.
16283 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16284 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16285 Call get_builtin_sync_mem to generate mem rtx.
16287 2006-01-03 Richard Guenther <rguenther@suse.de>
16290 * stmt.c (add_case_node): Make sure to clear overflow flags
16293 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16295 Merge from gomp-branch.
16296 * config/sparc/sync.md: New file.
16297 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16298 UNSPECV_LDSTUB): New constants.
16299 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16300 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16301 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16304 2006-01-03 Roger Sayle <roger@eyesopen.com>
16306 * combine.c (reg_subword_p): New predicate to test whether the
16307 destination of a set refers to a subword/piece of a register.
16308 (try_combine): Generalize the code to merge the setting of a
16309 pseudo to a constant followed by a set of a subword of that
16310 register to a constant.
16312 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16314 * basic-block.h (control_flow_graph): Change the type of
16315 x_label_to_block_map to VEC(basic_block,gc) *.
16316 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16317 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16319 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16320 VEC(basic_block,heap) *.
16321 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16322 ssa_prop_fini): Adjust the uses of cfg_blocks.
16324 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16326 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16328 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16329 hashing trees instead of a pointer hash.
16330 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16331 compare for MEM_EXPR.
16333 PR rtl-optimization/25130
16334 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16335 when comparing MEMs for GCSE
16337 2006-01-03 Ben Elliston <bje@au.ibm.com>
16339 * targhooks.h (default_decimal_float_supported_p): Declare.
16340 * targhooks.c (default_decimal_float_supported_p): Define.
16341 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16342 `default_decimal_float_supported_p'.
16343 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16345 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16347 * combine.c (apply_distributive_law <SUBREG>): Check
16348 TRULY_NOOP_TRUNCATION.
16350 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16352 * dwarf2out.c (have_switched_text_section): Delete.
16353 (have_multiple_function_sections): New.
16354 (have_location_lists): Make 'bool'.
16355 (add_AT_loc_list): Use 'true' not '1'.
16356 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16357 (output_loc_list): Use have_multiple_function_sections.
16358 (output_ranges): Likewise.
16359 (dwarf2out_begin_function): Set have_multiple_function_sections if
16361 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16362 Check function_section rather than DECL_SECTION_NAME.
16363 (dwarf2out_finish): Use have_multiple_function_sections.
16364 Don't clear have_location_lists.
16366 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16367 Jan Hubicka <jh@suse.cz>
16369 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16370 case of conditional jump jumping to the next instruction.
16371 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16372 cases of conditional jump jumping to the next instruction.
16374 2006-01-02 Jan Hubicka <jh@suse.cz>
16376 * i386.c (*_cost): Add COSTS_N_INSNS.
16377 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16379 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16382 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16384 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16386 * config/arm/arm.c (all_fpus): Fix comment typo.
16387 * config/darwin.c: Likewise.
16388 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16389 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16390 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16392 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16394 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16395 (rs6000_split_compare_and_swapqhi): New.
16396 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16397 (sync_compare_and_swapqhi_internal): New.
16398 * config/rs6000/rs6000-protos.h: Declare.