1 2006-10-25 Uros Bizjak <uros@kss-loka.si>
4 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
5 Use inc and dec instructions for TARGET_USE_INCDEC.
6 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
7 ("sync_double_compare_and_swap<mode>"): Likewise.
8 ("*sync_double_compare_and_swapdi_pic"): Likewise.
9 ("*sync_compare_and_swap_cc<mode>"): Likewise.
10 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
11 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
12 ("sync_old_add<mode>"): Likewise.
13 ("sync_lock_test_and_set<mode>"): Likewise.
14 ("sync_lock_test_and_set<mode>"): Likewise.
15 ("sync_add<mode>"): Likewise.
16 ("sync_sub<mode>"): Likewise.
17 ("sync_ior<mode>"): Likewise.
18 ("sync_and<mode>"): Likewise.
19 ("sync_xor<mode>"): Likewise.
21 2006-10-25 Uros Bizjak <uros@kss-loka.si>
23 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
24 (remainder_optab): Define corresponding macro.
26 * optabs.c (init_optabs): Initialize remainder_optab. Remove
27 drem_optab initialization.
28 * genopinit.c (optabs): Implement remainder_optab using
29 remainder?f3 patterns. Remove drem_optab.
30 * builtins.c (expand_builtin_mathfn_2): Handle
31 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
32 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
33 expand_builtin_mathfn_2.
35 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
36 depend on flag_unsafe_math_optimizations.
38 * config/i386/i386.md ("remaindersf3", "remainderdf3")
39 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
40 Do not depend on flag_unsafe_math_optimizations. Use
41 truncxf?f expander instead of truncxf?f_i387_noop.
43 ("fpremxf4", "fprem1xf4"): Do not depend on
44 flag_unsafe_math_optimizations.
45 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
46 flag_unsafe_math_optimizations. Use truncxf?f expander
47 instead of truncxf?f_i387_noop.
49 * doc/md.texi (fmod, remainder): Document standard named pattern.
51 2006-10-24 Richard Sandiford <richard@codesourcery.com>
52 David Daney <ddaney@avtrex.com>
55 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
57 2006-10-25 Ben Elliston <bje@au.ibm.com>
59 * doc/extend.texi (Variable Attributes): Typo fix.
61 2006-10-24 Uros Bizjak <uros@kss-loka.si>
63 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
64 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
65 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
66 (FRAME_POINTER_REGNUM): Update register number to 21.
67 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
68 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
70 * config/i386/i386.c (regclass_map): Add fpcr entry.
71 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
73 (print_reg): Assert REGNO (x) != FPCR_REG.
75 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
76 (DIRFLAG_REG): Renumber.
77 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
78 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
79 (sse_prologue_save, *sse_prologue_save_insn): Renumber
80 hardcoded SSE register numbers.
82 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
83 hardcoded MMX register numbers.
85 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
88 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
89 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
91 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
92 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
93 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
94 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
96 2006-10-24 Richard Guenther <rguenther@suse.de>
99 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
100 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
101 for deciding optimizations in consistency with fold-const.c
102 (fold_builtin_unordered_cmp): Likewise.
104 2006-10-24 Richard Guenther <rguenther@suse.de>
106 * builtins.c (fold_builtin_floor): Fold floor (x) where
107 x is nonnegative to trunc (x).
108 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
109 nonnegative to FIX_TRUNC_EXPR.
111 2006-10-24 Richard Guenther <rguenther@suse.de>
113 PR tree-optimization/29567
114 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
115 for TRUTH_NOT_EXPR. Clarify comments.
117 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
120 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
121 at compile-time using MPFR. Change parameter VALUE to FUNC,
123 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
124 for overflow and underflow at all times and avoid folding in
127 2006-10-24 Ben Elliston <bje@au.ibm.com>
129 * reload1.c: Formatting fixes.
131 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
133 PR tree-optimization/14784
134 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
135 * tree-ssa-structalias.c (get_constraint_for,
136 intra_create_variable_infos): Set is_heapvar.
137 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
138 non-heapvar pointer variables specially.
140 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
143 * builtins.c (fold_builtin_sin, fold_builtin_cos,
144 fold_builtin_tan): Fold all constant arguments. Take a "type"
145 argument as necessary.
147 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
149 2006-10-23 Bob Wilson <bob.wilson@acm.org>
151 * config/xtensa/lib1funcs.asm: Use C-style comments.
153 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
155 * tree.c (local_define_builtin): Replace calls to
156 lang_hooks.builtin_function with add_builtin_function.
157 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
159 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
161 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
162 common code to add_builtin_function.
163 * langhooks.c (add_builtin_function): New function.
164 (lhd_builtin_function): New function.
165 * langhooks.h (struct lang_hooks): Change the signature of
167 (add_builtin_function): New function.
168 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
169 calls to lang_hooks.builtin_function with add_builtin_function.
170 * c-common.c (decl_builtin_1): Replace calls to
171 lang_hooks.builtin_function with add_builtin_function.
172 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
173 lang_hooks.builtin_function with add_builtin_function.
174 * config/frv/frv.c (def_builtin): Replace calls to
175 lang_hooks.builtin_function with add_builtin_function.
176 * config/s390/s390.c (s390_init_builtins): Replace calls to
177 lang_hooks.builtin_function with add_builtin_function.
178 * config/sparc/sparc.c (def_builtin): Replace calls to
179 lang_hooks.builtin_function with add_builtin_function.
180 * config/i386/i386.c (def_builtin): Replace calls to
181 lang_hooks.builtin_function with add_builtin_function.
182 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
183 lang_hooks.builtin_function with add_builtin_function.
184 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
185 lang_hooks.builtin_function with add_builtin_function.
186 * config/stormy16/stormy16.c (xstormy16_init_builtins):
187 Replace calls to lang_hooks.builtin_function with
188 add_builtin_function.
189 * config/iq2000/iq2000.c (def_builtin):
190 Replace calls to lang_hooks.builtin_function with
191 add_builtin_function.
192 * config/ia64/ia64.c (def_builtin): Replace calls to
193 lang_hooks.builtin_function with add_builtin_function.
194 * config/rs6000/rs6000.c (def_builtin): Replace calls to
195 lang_hooks.builtin_function with add_builtin_function.
196 (altivec_init_builtins): Replace calls to
197 lang_hooks.builtin_function with add_builtin_function.
198 * config/arm/arm.c (def_mbuiltin): Replace calls to
199 lang_hooks.builtin_function with add_builtin_function.
200 (arm_init_tls_builtins): Replace calls to
201 lang_hooks.builtin_function with add_builtin_function.
202 * config/mips/mips.c (mips_init_builtins): Replace calls to
203 lang_hooks.builtin_function with add_builtin_function.
204 * config/bfin/bfin.c (def_builtin): Replace calls to
205 lang_hooks.builtin_function with add_builtin_function.
206 * langhooks-def.h (lhd_builtin_function): New function.
207 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
209 2006-10-23 Jakub Jelinek <jakub@redhat.com>
211 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
212 BUILT_IN_STRNCAT_CHK.
214 2006-10-23 Jan Hubicka <jh@suse.cz>
216 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
217 don't do conversion from memmove to memcpy here.
218 (expand_builtin_bcopy, expand_builtin): Update call of
219 expand_builtin_memmove.
220 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
222 2006-10-23 Paul Brook <paul@codesourcery.com>
224 * stor-layout.c (start_record_layout): maximum_field_alignment
225 overrides STRUCTURE_SIZE_BOUNDARY.
227 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
229 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
230 nonlocal function symbols if flag_pic.
232 2006-10-23 Richard Guenther <rguenther@suse.de>
236 * builtins.c (fold_binary): Remove checks for flag_wrapv
237 and flag_trapv where negate_expr_p covers these cases.
239 2006-10-23 Richard Guenther <rguenther@suse.de>
242 * fold-const.c (fold_plusminus_mult_expr): Check exact power
243 of two on the absolute value.
244 (fold_binary): Fold x * -C to -x * C if x is easily negatable
245 and negating -C does not overflow.
247 2006-10-23 Richard Guenther <rguenther@suse.de>
250 * convert.c (convert_to_real): Fold (float)-x to -(float)x
251 only if not flag_rounding_math.
253 2006-10-22 Richard Sandiford <richard@codesourcery.com>
254 Kaz Kojima <kkojima@gcc.gnu.org>
257 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
258 SImode memory reference for the source of a movua.
259 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
260 (movua): Use an unspec instead of sign_extract. Expect the source
261 to have mode BLKmode.
262 (extv, insv): Use a BLKmode rather than SImode memory reference
263 for the source of a movua.
265 2006-10-22 Jeff Law <law@redhat.com>
266 Richard Guenther <rguenther@suse.de>
268 PR tree-optimization/15911
269 * tree-vrp.c (extract_code_and_val_from_cond): New function.
270 (register_edge_assert_for_1): Likewise.
271 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
272 (find_conditional_asserts): Adjust for new function signature.
273 (find_assert_locations): Likewise.
275 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
277 * config/i386/tmmintrin.h: Remove the duplicated content.
279 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
281 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
282 (x86_64-*-*): Likewise.
284 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
285 (override_options): Check SSSE3.
286 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
287 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
288 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
289 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
290 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
291 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
292 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
293 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
294 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
295 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
296 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
297 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
298 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
299 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
300 IX86_BUILTIN_PABSD128.
301 (bdesc_2arg): Add SSSE3.
302 (bdesc_1arg): Likewise.
303 (ix86_init_mmx_sse_builtins): Support SSSE3.
304 (ix86_expand_builtin): Likewise.
305 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
307 * config/i386/i386.md (UNSPEC_PSHUFB): New.
308 (UNSPEC_PSIGN): Likewise.
309 (UNSPEC_PALIGNR): Likewise.
310 Include mmx.md before sse.md.
312 * config/i386/i386.opt: Add -mssse3.
314 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
315 (ssse3_phaddwv4hi3): Likewise.
316 (ssse3_phadddv4si3): Likewise.
317 (ssse3_phadddv2si3): Likewise.
318 (ssse3_phaddswv8hi3): Likewise.
319 (ssse3_phaddswv4hi3): Likewise.
320 (ssse3_phsubwv8hi3): Likewise.
321 (ssse3_phsubwv4hi3): Likewise.
322 (ssse3_phsubdv4si3): Likewise.
323 (ssse3_phsubdv2si3): Likewise.
324 (ssse3_phsubswv8hi3): Likewise.
325 (ssse3_phsubswv4hi3): Likewise.
326 (ssse3_pmaddubswv8hi3): Likewise.
327 (ssse3_pmaddubswv4hi3): Likewise.
328 (ssse3_pmulhrswv8hi3): Likewise.
329 (ssse3_pmulhrswv4hi3): Likewise.
330 (ssse3_pshufbv16qi3): Likewise.
331 (ssse3_pshufbv8qi3): Likewise.
332 (ssse3_psign<mode>3): Likewise.
333 (ssse3_psign<mode>3): Likewise.
334 (ssse3_palignrti): Likewise.
335 (ssse3_palignrdi): Likewise.
336 (abs<mode>2): Likewise.
337 (abs<mode>2): Likewise.
339 * config/i386/tmmintrin.h: New file.
341 * doc/extend.texi: Document SSSE3 built-in functions.
343 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
345 2006-10-22 Ira Rosen <irar@il.ibm.com>
347 * tree-vect-transform.c (vectorizable_load): Use the type of the
348 return value of the mask_for_load builtin to create realign_load
351 2006-10-22 Richard Sandiford <richard@codesourcery.com>
353 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
356 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
358 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
359 (UNSPEC_LDDQU): This.
360 * config/i386/sse.md (sse3_lddqu): Updated.
362 2006-10-21 Richard Guenther <rguenther@suse.de>
364 * builtins.c (expand_builtin_int_roundingfn_2): New function.
365 (expand_builtin): Use it to expand lrint instead of
366 expand_builtin_mathfn.
368 2006-10-21 Uros Bizjak <uros@kss-loka.si>
371 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
372 flag_unsafe_math_optimizations is set.
374 2006-10-21 Uros Bizjak <uros@kss-loka.si>
377 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
378 patterns to use memory input operand in x87->mem->XMM
379 reload sequences. Skip transformation for TARGET_K8.
381 2006-10-21 Uros Bizjak <uros@kss-loka.si>
383 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
384 force operand1 to register if both operands are memory operands.
385 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
386 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
387 if both operands are memory operands.
388 (truncdfsf2): Do not force operand1 to register if both operands
391 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
393 * Makefile.in (LIBS): Add $(GMPLIBS).
394 * doc/install.texi: Update GMP and MPFR requirements.
395 * doc/sourcebuild.texi (need_gmp): Delete.
397 2006-10-21 Richard Guenther <rguenther@suse.de>
399 PR tree-optimization/3511
400 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
401 got new invariant arguments during PHI translation.
403 2006-10-21 Richard Guenther <rguenther@suse.de>
406 * fold-const.c (fold_comparison): Fold signed comparisons
407 of the form X +- C1 CMP Y +- C2.
409 2006-10-21 Richard Guenther <rguenther@suse.de>
412 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
413 if flag_unsafe_math_optimizations is specified. We have
414 flag_finite_math_only for that.
415 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
416 or flag_unsafe_math_optimizations.
418 2006-10-21 Richard Guenther <rguenther@suse.de>
420 * builtins.c (fold_builtin_classify): Fix typo.
422 2006-10-21 Richard Guenther <rguenther@suse.de>
425 * simplify-rtx.c (simplify_const_relational_operation):
426 Do not constant-fold ORDERED and UNORDERED for
427 flag_unsafe_math_optimizations but only we do not need to
428 honor NaNs for the given mode.
430 2006-10-21 Richard Guenther <rguenther@suse.de>
433 * config/i386/i386.c (classify_argument): Remove redundant
434 walking of the BINFOs.
435 (contains_128bit_aligned_vector_p): Likewise.
437 2006-10-20 Mark Mitchell <mark@codesourcery.com>
439 * BASE-VER: Set to 4.3.0.
441 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
443 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
444 (tree_decl_with_vis): Remove artificial_pta_var flag.
445 * tree-flow.h (referenced_var_check_and_insert): Expose.
446 (nonlocal_all): New prototype.
447 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
448 (nonlocal_all): Make global.
449 (nonlocal_lookup): Remove.
450 (nonlocal_insert): Ditto.
451 (create_nonlocal_var): Do not call nonlocal_insert.
452 (get_nonlocal_id_for_type): Remove.
453 (find_global_initializers): Mark new vars we find for renaming.
454 (intra_create_variable_infos): Only create one nonlocal.
455 (expand_nonlocal_solutions): Remove.
456 (compute_points_to_sets): Don't call it.
457 (ipa_pta_execute): Ditto.
458 (init_alias_heapvars): Don't create nonlocal_for_type.
459 (delete_alias_heapvars): Don't remove it.
460 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
463 2006-10-19 Brooks Moses <bmoses@stanford.edu>
465 * doc/install.texi (Downloading GCC): Clarify mention of
466 Fortran in the "full distribution" description.
468 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
470 Fix PR tree-optimization/28778
471 Fix PR tree-optimization/29156
472 Fix PR tree-optimization/29415
473 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
474 (tree_decl_with_vis): Add artificial_pta_var flag.
475 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
477 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
478 (nonlocal_all): Ditto.
479 (struct variable_info): Add directly_dereferenced member.
480 (var_escaped_vars): New variable.
481 (escaped_vars_tree): Ditto.
482 (escaped_vars_id): Ditto.
483 (nonlocal_vars_id): Ditto.
484 (new_var_info): Set directly_dereferenced.
485 (graph_size): New variable
486 (build_constraint_graph): Use graph_size.
487 (solve_graph): Don't process constraints that cannot change the
488 solution, don't try to propagate an empty solution to our
490 (process_constraint): Set directly_dereferenced.
491 (could_have_pointers): New function.
492 (get_constraint_for_component_ref): Don't process STRING_CST.
493 (nonlocal_lookup): New function.
494 (nonlocal_insert): Ditto.
495 (create_nonlocal_var): Ditto.
496 (get_nonlocal_id_for_type): Ditto.
497 (get_constraint_for): Allow results vector to be empty in the case
499 Handle results of calls properly.
500 (update_alias_info): Update alias info stats on number and type of
502 (find_func_aliases): Use could_have_pointers.
503 (make_constraint_from_escaped): Renamed from
504 make_constraint_to_anything, and changed to make constraints from
506 (make_constraint_to_escaped): New function.
507 (find_global_initializers): Ditto.
508 (create_variable_info_for): Make constraint from escaped to any
509 global variable, and from any global variable to the set of
511 (intra_create_variable_infos): Deal with escaped instead of
512 pointing to anything.
513 (set_uids_in_ptset): Do type pruning on directly dereferenced
515 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
516 (init_base_vars): Fix comment, and initialize escaped_vars.
517 (need_to_solve): Removed.
518 (find_escape_constraints): New function.
519 (expand_nonlocal_solutions): Ditto.
520 (compute_points_to_sets): Call find_escape_constraints and
521 expand_nonlocal_solutions.
522 (delete_points_to_sets): Don't fall off the end of the graph.
523 (init_alias_heapvars): Initialize nonlocal_for_type and
525 (delete_alias_heapvars): Free nonlocal_for_type and null out
528 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
530 * fold-const.c (add_double): Rename to add_double_with_sign.
531 Add 'unsigned_p' parameter and take it into account for the overflow.
532 (mul_double): Rename to mul_double_with_sign.
533 Add 'unsigned_p' parameter and take it into account for the overflow.
534 (fold_div_compare): Call add_double_with_sign instead of add_double
535 and mul_double_with_sign instead of mul_double, passing them the
536 unsignedness of the type.
537 * tree.h (add_double): Macroize.
538 (add_double_with_sign): New prototype.
539 (mul_double): Macroize.
540 (mul_double_with_sign): New prototype.
542 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
544 * config/score/crti.asm: New file.
545 * config/score/crtn.asm: New file.
546 * config/score/elf.h: New file.
547 * config/score/mac.md: New file.
548 * config/score/misc.md: New file.
549 * config/score/mul-div.S: New file.
550 * config/score/predicates.md: New file.
551 * config/score/score7.md: New file.
552 * config/score/score.c: New file.
553 * config/score/score-conv.h: New file.
554 * config/score/score.h: New file.
555 * config/score/score.md: New file.
556 * config/score/score-mdaux.c: New file.
557 * config/score/score-mdaux.h: New file.
558 * config/score/score-modes.def: New file.
559 * config/score/score.opt: New file.
560 * config/score/score-protos.h: New file.
561 * config/score/score-version.h: New file.
562 * config/score/t-score-elf: New file.
563 * config.gcc: Add score*-*-* configurations(Update before).
564 * doc/invoke.texi (Score Options): New section.
565 * doc/md.texi (Score family): New section to document constraints.
567 2006-10-19 Nick Clifton <nickc@redhat.com>
569 * config/arm/arm.c: Fix spelling typo.
571 2006-10-18 Tom Tromey <tromey@redhat.com>
573 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
575 2006-10-18 Jan Hubicka <jh@suse.cz>
578 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
581 2006-10-18 Marcin Dalecki <martin@dalecki.de>
583 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
584 TSI_SAME_STMT, since that's the desired entity.
586 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
588 * config/s390/contraints.md: New file.
589 * config/s390/s390-protos.h (s390_mem_constraint,
590 s390_O_constraint_str, s390_N_constraint_str,
591 s390_float_const_zero_p): Function prototypes added.
592 * config/s390/s390.c (s390_extra_constraint_str,
593 s390_const_double_ok_for_constraint_p,
594 s390_const_ok_for_constraint_p): Functions removed.
595 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
596 s390_float_const_zero_p): New functions.
597 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
598 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
599 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
600 Macro definitions removed.
601 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
602 s390_extra_constraint_str): Functions removed.
604 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
605 Richard Sandiford <richard@codesourcery.com>
608 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
609 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
611 2006-10-16 Geoffrey Keating <geoffk@apple.com>
613 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
614 (DWARF2_FRAME_REG_OUT): Likewise.
615 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
616 (DWARF2_FRAME_REG_OUT): Likewise.
618 2006-10-17 Paul Brook <paul@codesourcery.com>
620 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
622 2006-10-16 Brooks Moses <bmoses@stanford.edu>
624 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
625 Standardize on "GNU Fortran" as the official name of the Fortran
628 2006-10-16 Mike Stump <mrs@apple.com>
630 * doc/invoke.texi (Darwin Options): Document -mkernel.
631 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
633 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
634 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
635 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
636 (OS_MISSING_ALTIVEC): Add.
637 * config/i386/i386.c (override_options): Add
638 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
639 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
640 -mkernel, -static or -mdynamic-no-pic is given.
641 (C_COMMON_OVERRIDE_OPTIONS): Add.
642 * config/darwin.opt (fapple-kext): Add.
644 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
645 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
647 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
648 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
649 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
650 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
651 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
653 (flag_apple_kext): Add.
654 (TARGET_KEXTABI): Add.
655 * config/darwin.c (darwin_handle_kext_attribute): Add.
656 (DARWIN_VTABLE_P): Add.
657 (darwin_binds_local_p): Add partial support for rebinding vtables
659 (darwin_kextabi_p): Add.
660 (darwin_override_options): Add.
661 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
662 (darwin_kextabi_p): Add.
663 (darwin_override_options): Add.
664 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
665 __DYNAMIC__ and __STATIC__ here.
667 2006-10-16 Brooks Moses <bmoses@stanford.edu>
669 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
670 Added mention of "make pdf" target, and Texinfo requirements for
673 2006-10-16 DJ Delorie <dj@redhat.com>
675 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
676 into the GOT in case we need a subreg of the address.
678 2006-10-16 Richard Guenther <rguenther@suse.de>
681 * doc/extend.texi (X86 Built-in Functions): Fix typos in
682 SSE builtin documentation. Document SSE2 builtins.
684 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
686 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
687 symbol in the output file for non-shared links when -nostdlib or
688 -nodefaultlibs isn't specified.
690 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
691 posix thread support.
693 2006-10-15 Jan Hubicka <jh@suse.cz>
696 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
697 declared always_inline even when not inlining.
699 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
700 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
701 Andrew Pinski <pinskia@gmail.com>
704 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
706 2006-10-15 Jan Hubicka <jh@suse.cz>
707 Richard Guenther <rguenther@suse.de>
710 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
711 process_function_and_variable_attributes on all variables, including
712 those discovered during cgraph construction phase.
714 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
716 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
718 2006-10-14 Uros Bizjak <uros@kss-loka.si>
720 * config/i386/athlon.md (athlon_fist): Add fisttp.
722 2006-10-13 David Edelsohn <edelsohn@gnu.org>
723 Ian Lance Taylor <ian@airs.com>
726 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
727 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
730 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
732 * config/score/score.c, config/score/score.h: Fix comment
735 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
738 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
741 2006-10-13 Eric Christopher <echristo@apple.com>
743 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
745 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
748 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
749 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
750 alignment supported by 32-bit ELF.
752 2006-10-13 Eric Christopher <echristo@apple.com>
754 * config/darwin.c (darwin_emit_unwind_label): Strip
755 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
757 2006-10-13 Richard Guenther <rguenther@suse.de>
759 PR tree-optimization/29446
760 * tree-vrp.c (fix_equivalence_set): Remove.
761 (extract_range_from_assert): Do not call fix_equivalence_set.
762 (debug_value_range): Print a newline.
763 (compare_name_with_value): For equivalence sets with
764 inconsistent value ranges conservatively bail out.
765 (compare_names): Likewise.
767 2006-10-13 David Edelsohn <edelsohn@gnu.org>
769 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
770 and MPFR for gfortran.
772 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
774 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
775 alignment supported by 32-bit ELF.
777 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
781 * c-typeck.c (digest_init): Always allow initializing vectors
782 that have static storage duration with compound literals.
783 * tree.c (build_type_attribute_qual_variant): New, based on
784 build_type_attribute_variant.
785 (build_type_attribute_variant): Rewrite using the former.
786 (make_vector_type): Use build_type_attribute_qual_variant to build
787 type variants. Use type_hash_canon on the others.
789 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
790 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
792 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
794 2006-10-12 Jan Hubicka <jh@suse.cz>
797 * c-decl.c (c_make_fname_decl): Do not segfault in case where
798 current_function_decl is set but current_function_scope is not.
800 2006-10-12 Jie Zhang <jie.zhang@analog.com>
802 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
803 emit_insn to emit eh_return_internal instruction.
804 (eh_return_internal): Explicitly set pc.
806 2006-10-11 Richard Guenther <rguenther@suse.de>
808 PR tree-optimization/28230
809 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
810 to the correct place.
812 2006-10-11 Richard Guenther <rguenther@suse.de>
815 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
818 2006-10-10 Brooks Moses <bmoses@stanford.edu>
820 * configure.ac: Added pdf to "Make-hooks"
821 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
822 targets and *.pdf file patterns in cleanup targets.
823 * configure: Regenerated.
825 2006-10-10 Anatoly Sokolov <aesok@post.ru>
827 * config/avr/predicates.md: New file.
828 * config/avr/avr.md: Include it.
829 (REG_SP): New constant.
830 (peepholes): Use predicates.
831 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
832 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
833 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
835 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
837 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
840 2006-10-10 Jakub Jelinek <jakub@redhat.com>
843 * builtins.c (var_decl_component_p): New function.
844 (fold_builtin_memset, fold_builtin_memory_op): Restrict
845 single entry optimization to variables and components thereof.
847 2006-10-10 Richard Guenther <rguenther@suse.de>
849 PR rtl-optimization/29323
850 * except.c (set_nothrow_function_flags): For functions
851 that do not bind local bail out early.
853 2006-10-10 Ben Elliston <bje@au.ibm.com>
855 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
858 2006-10-09 Richard Henderson <rth@redhat.com>
862 2006-10-09 Richard Guenther <rguenther@suse.de>
865 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
868 2006-10-09 Steve Ellcey <sje@cup.hp.com>
871 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
872 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
873 * configure: Regenerate.
874 * config.in: Regenerate.
876 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
878 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
880 2006-10-08 Richard Sandiford <richard@codesourcery.com>
882 * config/mips/mips.c (mips_legitimize_tls_address): Implement
883 all TLS models in the same way as local exec if !TARGET_ABICALLS.
884 Remove stray newline.
886 2006-10-08 Richard Sandiford <richard@codesourcery.com>
888 * config/mips/mips.c (mips_classify_symbol): Do not return
889 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
890 (mips_in_small_data_p): Tweak comments.
892 2006-10-08 Richard Sandiford <richard@codesourcery.com>
894 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
896 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
898 * gimplify.c, sched-int.h: Fix comment typos.
900 * sched-int.h: Fix comment typos.
902 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
904 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
906 * sched-ebb.c (begin_schedule_ready): Use them.
907 * haifa-sched.c (schedule_insn, move_insn, try_ready,
908 add_to_speculative_block, create_check_block_twin, speculate_insn,
909 fix_jump_move, move_block_after_check): Ditto.
910 * sched-rgn.c (new_ready): Ditto.
912 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
914 PR rtl-optimization/29128
915 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
916 * sched-ebb.c (advance_target_bb): Use it to fix condition to
917 allow interblock movement of speculation checks.
919 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
922 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
923 casted to integer type.
924 (get_address_cost): Decrease cost of [symbol + index] addressing modes
925 if they are significantly more expensive than [reg + index] ones.
927 2006-10-06 Jakub Jelinek <jakub@redhat.com>
929 PR tree-optimization/29330
930 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
931 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
932 on newly allocated ddrs.
933 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
934 to VEC (loop_p, heap) pointer.
935 (compute_data_dependences_for_loop): Adjust caller.
936 (free_dependence_relations): Free DDR_LOOP_NEST.
938 * tree-loop-linear.c (linear_transform_loops): Don't forget to
939 free DEPENDENCE_RELATIONS and DATAREFS.
942 * builtins.c (expand_builtin_sync_operation,
943 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
944 Use convert_to_mode to handle promoted arguments.
946 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
948 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
950 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
952 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
954 2006-10-05 Uros Bizjak <uros@kss-loka.si>
956 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
957 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
958 Use <modeconstraint> instead of "r" as operand 1 constraint.
960 2006-10-06 Olivier Hainque <hainque@adacore.com>
962 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
963 Don't recurse on the pointed-to type.
964 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
965 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
966 types with components of variable size.
968 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
970 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
972 2006-10-06 Jakub Jelinek <jakub@redhat.com>
974 PR tree-optimization/29290
975 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
979 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
980 * config/i386/predicates.md (local_symbolic_operand): Likewise.
983 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
984 the number of vector elements fill the rest with zeros.
986 2006-10-05 Richard Sandiford <richard@codesourcery.com>
988 * config/mips/mips.c (mips_pass_by_reference): Do not return false
989 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
992 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
994 * config/bfin/bfin.md (subsi3): Lose expander, change previously
995 unnamed pattern into subsi3. Use correct constraints/predicates.
996 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
997 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
999 2006-10-05 Ira Rosen <irar@il.ibm.com>
1001 * doc/loop.texi: Add data references analysis description.
1003 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1005 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1007 2006-10-04 Richard Henderson <rth@redhat.com>
1008 Jakub Jelinek <jakub@redhat.com>
1010 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1011 * builtin-types.def (BT_WORD): Make unsigned.
1012 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1013 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1014 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1015 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1016 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1017 * cgraph.c (decide_is_variable_needed): Look at force_output.
1018 Recurse for emulated tls.
1019 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1020 checks redundant with decide_is_variable_needed.
1021 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1022 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1024 * expr.c (emutls_var_address): New.
1025 (expand_expr_real_1): Expand emulated tls.
1026 (expand_expr_addr_expr_1): Likewise.
1027 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1028 * output.h (emutls_finish): Declare.
1029 * toplev.c (compile_file): Call it.
1030 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1031 address before wrapping in CONST.
1032 * varasm.c (emutls_htab, emutls_object_type): New.
1033 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1034 (get_emutls_object_name, get_emutls_object_type): New.
1035 (get_emutls_init_templ_addr, emutls_decl): New.
1036 (emutls_common_1, emutls_finish): New.
1037 (assemble_variable): When emulating tls, swap decls; generate
1038 constructor for the emutls objects.
1039 (do_assemble_alias): When emulating tls, swap decl and target name.
1040 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1042 * emutls.c: New file.
1043 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1044 tls_object for real tls.
1046 2006-10-04 Zack Weinberg <zackw@panix.com>
1048 Fix bug in constraint-check generator, reported by Rask Ingemann
1050 * genpreds.c (add_constraint): Don't remove anything from the
1052 (write_tm_constrs_h): Detect whether "op" argument is used, and
1053 mark it ARG_UNUSED if it isn't.
1054 (write_insn_const_int_ok_for_constraint): Skip the part of the
1055 expression that would test whether "op" (which is not available
1056 here) is a CONST_INT.
1058 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1061 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1063 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1065 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1066 current Leopard versions.
1067 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1069 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1071 * doc/install.texi: Fix typos.
1073 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1075 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1076 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1077 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1079 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1081 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1082 arg to be struct mach_header_64* instead.
1084 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1087 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1088 side effects after the outer expression's post side effects.
1090 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1092 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1093 comments to reflect actual behavior and relationship between
1094 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1096 * doc/c-tree.texi (Working with declarations): Fix documentation
1097 of FIELD_DECL likewise.
1099 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1102 * doc/extend.texi: Add used variable attribute description.
1104 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1107 * c.opt (Woverride-init): New.
1108 * c-opts.c (c_common_post_options): Default warn_override_init to
1110 * c-typeck.c (add_pending_init, output_init_element): Warn for
1111 overriding initializers without side effects.
1112 * doc/invoke.texi (-Woverride-init): Document.
1115 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1117 PR rtl-optimization/28096
1118 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1119 assignment has already been used as a destination earlier in the block.
1121 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1123 * builtins.c (expand_builtin_setjmp): Delete.
1124 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1125 <BUILT_IN_SETJMP_SETUP>: New case.
1126 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1127 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1128 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1129 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1130 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1131 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1132 (lower_function_body): Initialize it to false. If it is set to true
1133 at the end of the processing, emit the setjmp dispatcher.
1134 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1135 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1136 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1137 on the rhs of the assignment.
1138 (lower_builtin_setjmp): New function.
1139 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1140 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1141 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1142 to detect calls that can go to non-local labels. Use specific
1143 helper to create the abnormal edges associated with them.
1144 <MODIFY_EXPR>: Likewise.
1145 (make_abnormal_goto_edges): New function extracted from...
1146 (make_goto_expr_edges): ...here. Call it for computed gotos.
1147 (simple_goto_p): Minor tweak.
1148 (tree_can_make_abnormal_goto): New predicate.
1149 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1150 (tree_purge_dead_abnormal_call_edges): New function.
1151 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1152 (tree_purge_dead_abnormal_call_edges): Likewise.
1153 (make_abnormal_goto_edges): Likewise.
1154 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1155 Purge all dead abnormal edges if the call was in the last statement.
1156 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1157 (execute_fixup_cfg): If there are non-local labels in the function,
1158 scan the basic blocks and split them at calls that can go to non-local
1159 labels or add missing abnormal call edges. Write down the CFG in the
1161 (pass_fixup_cfg): Remove TODO_dump_func flag.
1162 * unwind-sjlj.c: Poison setjmp.
1163 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1164 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1165 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1166 (DONT_USE_BUILTIN_SETJMP): Document it.
1168 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1171 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1172 to 1 when __ppc64__ is defined.
1173 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1175 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1177 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1179 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1180 * config/ia64/unwind-hpux.c: Delete.
1182 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1184 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1185 on the element before gimplifying it, instead of punting if it is of
1188 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1190 * doc/loop.texi: New file.
1191 * doc/gccint.texi: Reference loop.texi.
1192 * Makefile.in (loop.texi): Add.
1194 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1196 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1198 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1199 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1201 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1203 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1205 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1207 * doc/install.texi: Document required versions of GMP and MPFR.
1209 2006-09-27 Paul Brook <paul@codesourcery.com>
1212 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1214 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1216 * reload1.c (alter_reg): Require the alignment of the stack slot to
1217 be at least reg_max_ref_width bytes.
1218 (scan_paradoxical_subregs): Record the largest width in
1221 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1225 * tree-nested.c (struct nesting_info): Added static_chain_added.
1226 (convert_call_expr): Set static_chain_added when adding static
1227 chain. Handle OMP_PARALLEL and OMP_SECTION.
1229 2006-09-25 Matthias Klose <doko@debian.org>
1231 * doc/invoke.texi: Add missing full stop.
1233 2006-09-25 Richard Henderson <rth@redhat.com>
1235 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1236 before cgraph_function_flags_ready.
1238 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1239 Adam Nemet <anemet@caviumnetworks.com>
1241 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1242 determine_common_wider_type): New functions.
1243 (get_computation_aff): Use them to simplify arithmetic between
1244 UBASE and CBASE if they are shortened from the same type.
1246 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1249 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1250 -2147483647 - 1 instead of 0x80000000.
1252 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1254 * flags.h (HONOR_NANS): Fix typo in comment.
1256 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1258 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1260 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1264 * tree.c (merge_attributes, attribute_list_contained): If both
1265 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1267 * c-typeck.c (comptypes_internal): Don't consider aggregates
1268 in different TUs as compatible if there one set of attributes is
1269 not a subset of the other type's attributes.
1270 (composite_type): Try harder not to create a new aggregate type.
1272 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1274 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1275 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1276 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1277 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1278 than replicating condition above.
1279 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1281 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1282 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1283 the linker by default.
1285 2006-09-22 Mike Stump <mrs@apple.com>
1287 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1290 2006-09-22 Richard Guenther <rguenther@suse.de>
1293 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1294 sort of stack variables stable.
1296 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1299 * explow.c (force_reg): Set REG_POINTER flag according to
1302 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1304 PR tree-optimization/28888
1305 * tree-if-conv.c (combine_blocks): Rewritten.
1306 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1307 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1309 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1311 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1314 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1316 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1318 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1320 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1322 2006-09-21 Roger Sayle <roger@eyesopen.com>
1325 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1326 dw_fde_current_label, to be the start of the function, i.e. the same
1327 value as dw_fde_begin.
1329 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1331 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1332 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1333 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1334 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1335 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1336 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1337 (abs<mode>2, neg<mode>2): Likewise.
1338 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1339 (*mips_abs_ps): New define_insn.
1341 2006-09-20 Josh Conner <jconner@apple.com>
1344 * calls.c (expand_call): Allow reuse of structure return stack
1347 2006-09-20 Paul Brook <paul@codesourcery.com>
1349 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1352 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1354 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1355 clean up terminology.
1357 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1360 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1361 with tablejumps in them.
1363 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1366 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1367 wrap it into TARGET_EXPR.
1369 2006-09-20 Eric Christopher <echristo@apple.com>
1371 * config/i386/i386.c (x86_fisttp): Remove.
1372 * config/i386/i386.h (x86_fisttp): Ditto.
1373 (TARGET_FISTTP): Ditto.
1375 2006-09-19 Eric Christopher <echristo@apple.com>
1377 * doc/tm.texi (OBJC_JBLEN): Describe.
1378 * config/i386/darwin.h (OBJC_JBLEN): Define.
1379 * config/rs6000/darwin.h: Ditto.
1381 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1383 PR rtl-optimization/21299
1384 * reload1.c (reload): Purge invalid ASMs in the final pass.
1386 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1389 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1390 pointers as legitimate constants.
1392 2006-09-19 Paul Brook <paul@codesourcery.com>
1395 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1397 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1399 PR tree-optimization/28887
1400 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1401 component parts from the reference.
1402 (gather_memory_references_ref): Record the reference without the
1403 nonaddressable component parts.
1405 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1408 * c-opts.c (c_common_handle_option): Ignore the -std options
1409 if the input language is assembly.
1411 2006-09-17 Ira Rosen <irar@il.ibm.com>
1414 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1416 (ptr_ptr_may_alias_p): Likewise.
1417 (record_record_differ_p): New function.
1418 (base_object_differ_p): Call record_record_differ_p.
1420 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1423 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1424 away for the expr argument.
1426 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1429 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1430 before using it for dumping after vectorizing loops.
1432 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1433 Jack Howarth <howarth@bromo.med.uc.edu>
1436 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1437 skip on error_mark_node.
1438 (rs6000_darwin64_record_arg_recurse): Likewise.
1440 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1442 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1443 * doc/rtl.texi: Remove related documentation.
1445 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1447 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1450 2006-09-15 Jim Wilson <wilson@specifix.com>
1452 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1453 Handle symbol offsets same as they are handled in ia64_expand_move
1456 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1458 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1459 Add forgotten parameter to the fprintf call.
1461 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1463 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1465 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1467 * doc/contrib.texi: Add my entry.
1469 2006-09-15 Nick Clifton <nickc@redhat.com>
1471 * doc/md.texi (Processor pipeline description): Fix typo in
1472 example of how to use the absence_set directive and reword the
1473 description to make it slightly easier to read.
1475 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1477 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1478 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1479 expanding the number of iterations.
1480 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1482 * cfgrtl.c (emit_insn_at_entry): New function.
1483 * rtl.h (emit_insn_at_entry): Declare it.
1484 * integrate.c (emit_initial_value_sets): Use it.
1486 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1488 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1490 (struct loop_work and related VEC declarations): Delete.
1491 (bfin_dump_loops): Print out new member bad.
1492 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1493 (bfin_scan_loop): Don't recurse.
1494 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1495 loops. No longer need to update outer loops if the current one is
1496 found bad. Move some validitiy checks to bfin_discover_loop.
1497 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1498 but changed not to check for nesting. Also changed to use the new bad
1500 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1501 time. Use bitmap based test to discover loop nesting.
1503 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1505 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1508 2006-09-14 Richard Guenther <rguenther@suse.de>
1509 Kazu Hirata <kazu@codesourcery.com>
1511 PR middle-end/28884.
1512 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1513 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1514 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1515 with TARGET_FUNCTION_VALUE.
1517 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1520 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1522 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1524 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1527 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1530 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1533 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1535 * basic_block.h (bb_has_eh_pred): Fix comment.
1537 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1539 * flow.c (calculate_global_regs_live): Invalidate eh registers
1540 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1541 (propagate_block): Handle eh registers as if they were set at basic
1543 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1545 * global.c (global_conflicts): Make eh registers to conflict with
1546 pseudos live at basic block begin.
1547 * basic_block.h (bb_has_eh_pred): New function.
1549 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1551 PR rtl-optimization/28982
1552 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1553 index of a PRE_MODIFY or POST_MODIFY address.
1554 * reload1.c (inc_for_reload): Use find_replacement on the original
1555 base and index registers.
1557 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1559 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1560 for -Os. Update __m128 alignment requirement.
1562 2006-09-13 Jan Hubicka <jh@suse.cz>
1564 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1566 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1568 PR rtl-optimization/28243
1569 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1570 the insn to which the note was originally attached.
1572 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1573 Roger Sayle <roger@eyesopen.com>
1575 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1576 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1577 on platforms that don't use dwarf for debug info.
1579 2006-09-12 Jason Merrill <jason@redhat.com>
1582 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1583 hard_frame_pointer_rtx after using it to update the frame pointer.
1585 2006-09-12 Roger Sayle <roger@eyesopen.com>
1587 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1588 (TARGET_ASM_CLOSE_PAREN): Likewise.
1589 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1590 (TARGET_ASM_CLOSE_PAREN): Likewise.
1592 2006-09-12 Roger Sayle <roger@eyesopen.com>
1595 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1596 frame information for frames larger than 512 Kbytes on Tru64 when
1597 using the native assembler.
1599 2006-09-12 Roger Sayle <roger@eyesopen.com>
1603 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1604 and symbols. Instead use the implementation from cse.c's hash_rtx.
1606 2006-09-12 Jan Hubicka <jh@suse.cz>
1608 PR rtl-optimization/28071
1609 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1610 (vect_transform_loop): Likewise.
1611 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1612 (new_loop_vec_info): Likewise.
1613 (destroy_loop_vec_info): Likewise.
1614 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1615 (create_stmt_ann): Likewise.
1616 (create_tree_ann): Rename to ...
1617 (create_tree_common_ann): ... this one; allocate only the common part
1619 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1620 (get_value_handle): Likewise.
1621 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1622 get_tree_common_ann.
1623 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1624 (vinfo_for_stmt): Use stmt annotations.
1625 * tree-flow.h (tree_ann_common_t): New type.
1626 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1627 (tree_ann, get_tree_ann, create_tree_ann): New.
1628 * tree-flow-inline.h (get_function_ann): Do more type checking.
1629 (stmt_ann): Likewise.
1630 (tree_ann): Rename to ...
1631 (tree_common_ann): ... this one; return ony common_ann
1632 (get_tree_ann): Rename to ...
1633 (tree_common_ann): This one; return only common_ann.
1634 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1637 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1639 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1640 with_cpu by default.
1642 * dwarf2out.c (dwarf_file_data): New.
1643 (enum dw_val_class): Add dw_val_class_file.
1644 (struct dw_val_struct): Add val_file.
1645 (file_table): Change to a hash table.
1646 (file_table_emitted): Delete.
1647 (file_table_last_lookup_index): Delete.
1648 (emitcount): Delete.
1649 (last_emitted_file): New.
1650 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1651 (init_file_table): Delete.
1652 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1653 (AT_addr): Add comment.
1657 (print_die): Handle dw_val_class_file.
1658 (print_dwarf_line_table): Update for new file table structure.
1659 (attr_checksum): Do checksum a filename.
1660 (same_dw_val_p, same_attr_p): Do compare a filename.
1661 (size_of_die): Handle dw_val_class_file.
1662 (value_format): Likewise.
1663 (output_die): Likewise. Also, call maybe_emit_file here.
1664 (struct file_info): Constify filenames. Make file_idx a pointer
1665 to a struct dwarf_file_data.
1666 (struct dir_info): Constify directory names. Remove 'used' field.
1667 (struct file_name_acquire_data): New.
1668 (file_name_acquire): New.
1669 (output_file_names): Modify to handle new file data structures.
1670 (add_src_coords_attributes): Use add_AT_file.
1671 (add_call_src_coords_attributes): Likewise.
1672 (dwarf2out_imported_module_or_decl): Likewise.
1673 (gen_subprogram_die): Modify for new file data structures.
1674 (gen_variable_die): Likewise.
1675 (file_table_eq): New.
1676 (file_table_hash): New.
1677 (file_table_last_lookup): New.
1678 (lookup_filename): Rewrite to handle new file data structures.
1679 (maybe_emit_file): Rewrite to handle new file data structures.
1680 (dwarf2out_source_line): Always call lookup_filename and
1682 (dwarf2out_init): Create file_table here.
1683 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1684 (file_table_relative_p): New.
1685 (dwarf2out_finish): Change detection of relative filenames
1686 to work with new file data structures. Move output_line_info call
1687 after debug_info output.
1689 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1694 * config/i386/i386.c (override_options): Always default to 16
1695 byte stack boundary.
1697 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1700 * var-tracking.c (dump_dataflow_set): Start dumping at
1702 (clobber_variable_part): Kill only the variable part in
1703 registers holding it, leaving other variables alone.
1705 2006-09-11 Josh Triplett <josh@freedesktop.org>
1707 * doc/extend.texi (Other Builtins): Actually use the macro
1708 argument in the documentation example for
1709 __builtin_types_compatible_p.
1711 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1713 PR rtl-optimization/28726
1714 * sched-deps.c (sched_analyze_reg): New function extracted from...
1715 (sched_analyze_1): ...here. Call it to analyze references to
1716 registers. Treat again writes to a stack register as writing to the
1718 (sched_analyze_2): ...and here. Call it to analyze references to
1719 registers. Treat again reads of a stack register as reading the
1722 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1723 David Edelsohn <edelsohn@gnu.org>
1726 * config/rs6000/spe.md (frob_df_di): Remove %H.
1727 (frob_di_df): Remove %H. Change evmergelo to mr.
1728 (frob_di_df_2): Remove %H. Change evldd to two loads.
1730 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1732 * doc/cpp.texi: Fix names of charset options.
1734 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1737 * config/i386/i386.c (override_options): Use 128-bit
1738 stack boundary always for 64bits.
1740 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1742 PR rtl-optimization/28636
1743 * combine.c (force_to_mode): Test for side-effects before
1744 substituting by zero.
1745 (simplify_shift_const): Likewise for zero or other constants.
1747 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1750 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1753 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1756 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1757 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1758 returned by mode_for_size, rather than the mode of src itself,
1759 to choose between 32-bit and 64-bit patterns.
1760 (mips_mem_fits_mode_p): New function.
1761 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1762 that the size of the source matches the size of the destination.
1763 (mov_<store>l, mov_<store>r): Likewise.
1765 2006-09-10 Eric Christopher <echristo@apple.com>
1767 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1770 2006-09-09 Eric Christopher <echristo@apple.com>
1773 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1776 2006-09-09 Roger Sayle <roger@eyesopen.com>
1777 Nicolas Setton <setton@adacore.com>
1779 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1781 2006-09-10 Andreas Schwab <schwab@suse.de>
1783 * config/m68k/m68k.md (bungt_rev): New pattern.
1785 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1786 Dale Johannesen <dalej@apple.com>
1789 * regclass.c (struct reg_pref): Update documentation.
1790 (regclass): Set prefclass to NO_REGS if memory is the best option.
1791 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1793 2006-09-08 Eric Christopher <echristo@apple.com>
1795 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1796 * config/t-slibgcc-darwin: Support x86_64 multilib.
1797 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1798 Return 1 for x86_64-darwin.
1799 * config/i386/t-darwin: Add m64 multilib.
1800 (LIB2_SIDITI_CONV_FUNCS): Use.
1801 (LIB2FUNCS_EXTRA): Ditto.
1802 * config/i386/darwin.h: Support x86_64.
1803 * config/i386/i386.c (override_options): Turn on flag_pic
1804 for x86_64-darwin. Disable flag_omit_pointer.
1805 (get_pc_thunk_name): Assert !TARGET_64BIT.
1806 (legitimate_address_p): Disable machopic addressing for
1808 (legitimize_pic_address): Ditto.
1809 (ix86_expand_move): Ditto.
1810 (ix86_expand_call): Ditto.
1811 (machopic_output_stub): Ditto.
1812 * config/darwin.c (machopic_select_section): Support literal16.
1813 (machopic_select_rtx_section): Ditto.
1814 * config/darwin-sections.def: Ditto.
1815 * config/darwin-64.c: New.
1817 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1820 * c-tree.h (struct c_arg_info): Add pending_sizes.
1821 * c-parser.c (c_parser_parms_declarator,
1822 c_parser_parms_list_declarator): Initialize pending_sizes.
1823 * c-decl.c (get_parm_info): Initialize pending_sizes.
1824 (get_parm_info): Set pending_sizes.
1825 (grokdeclarator): Call put_pending_sizes for parameters for
1826 function definition only.
1828 2006-09-07 Jason Merrill <jason@redhat.com>
1831 * varasm.c (output_constant): Only strip actual no-op conversions.
1834 * config/i386/i386.c (override_options): Use 128-bit
1835 stack boundary if -msse.
1837 2006-09-07 Eric Christopher <echristo@apple.com>
1839 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1841 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1844 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1846 * dwarf2out.c: Remove strange characters from comment above
1847 dwarf2out_frame_debug_expr.
1849 2006-09-07 Eric Christopher <echristo@apple.com>
1851 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1852 * config/darwin.h: ... to here.
1854 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1856 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1858 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1859 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1861 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1862 TARGET_PARTIAL_FLAG_REG_STALL.
1863 (*ashldi3_cconly_rex64): Likewise.
1864 (*ashlsi3_cmp): Likewise.
1865 (*ashlsi3_cconly): Likewise.
1866 (*ashlsi3_cmp_zext): Likewise.
1867 (*ashlhi3_cmp): Likewise.
1868 (*ashlhi3_cconly): Likewise.
1869 (*ashlqi3_cmp): Likewise.
1870 (*ashlqi3_cconly): Likewise.
1871 (*ashrdi3_cmp_rex64): Likewise.
1872 (*ashrdi3_cconly_rex64): Likewise.
1873 (*ashrsi3_cmp): Likewise.
1874 (*ashrsi3_cconly): Likewise.
1875 (*ashrsi3_cmp_zext): Likewise.
1876 (*ashrhi3_cmp): Likewise.
1877 (*ashrhi3_cconly): Likewise.
1878 (*ashrqi3_cmp): Likewise.
1879 (*ashrqi3_cconly): Likewise.
1880 (*lshrdi3_cmp_rex64): Likewise.
1881 (*lshrdi3_cconly_rex64): Likewise.
1882 (*lshrsi3_cmp): Likewise.
1883 (*lshrsi3_cconly): Likewise.
1884 (*lshrsi3_cmp_zext): Likewise.
1885 (*lshrhi3_cmp): Likewise.
1886 (*lshrhi3_cconly): Likewise.
1887 (*lshrqi2_cmp): Likewise.
1888 (*lshrqi2_cconly): Likewise.
1890 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1893 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1894 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1895 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1896 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1897 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1898 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1899 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1900 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1901 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1902 implement only CC setting effects of shift instructions.
1904 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1906 * doc/contrib.texi: Add myself.
1908 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1911 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1912 was set by the user.
1914 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1917 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1918 (divsi_inv_m1): Use them.
1919 (UNSPEC_DIV_INV_TABLE): New constant.
1921 2006-09-06 James E Wilson <wilson@specifix.com>
1924 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1925 then call count_or_remove_death_notes.
1927 2006-09-06 Jason Merrill <jason@redhat.com>
1930 * tree-inline.c (copy_result_decl_to_var): New fn.
1931 (declare_return_variable): Use it. Call declare_inline_vars here.
1932 (expand_call_inline): Not here.
1934 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1936 * doc/contrib.texi: Update my entry.
1938 2006-09-06 Nick Clifton <nickc@redhat.com>
1940 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1942 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1945 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1946 (canonicalize_induction_variables): Likewise.
1947 (tree_unroll_loops_completely): Likewise.
1948 (tree_ssa_prefetch_arrays): Likewise.
1949 (remove_empty_loops): Likewise.
1950 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1951 TODO_cleanup_cfg instead of directly calling
1952 cleanup_tree_cfg_loop.
1953 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1955 (tree_unroll_loops_completely): Likewise.
1956 (remove_empty_loops): Likewise.
1957 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1958 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1959 of tree_ssa_unswitch_loops.
1960 (tree_ssa_loop_ivcanon): Use the return value of
1961 canonicalize_induction_variables.
1962 (tree_ssa_empty_loop): Use the return value of
1964 (tree_complete_unroll): Use the return value of
1965 tree_unroll_loops_completely.
1966 (tree_ssa_loop_prefetch): Use the return value of
1967 tree_ssa_prefetch_arrays.
1968 * passes.c (execute_todo): Before Cleanup CFG, set
1969 updating_used_alone and after cleanup CFG, call
1970 recalculate_used_alone.
1972 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1975 * tree-vect-transform.c (vectorizable_condition): Move the check
1976 for the type after the check for simple condition.
1978 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1979 Kaz Kojima <kkojima@gcc.gnu.org>
1982 * mode-switching.c (optimize_mode_switching): Make the destination
1983 block of an abnormal edge have no anticipatable mode. Don't
1984 insert mode switching code at the end of the source block of
1987 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1989 PR rtl-optimization/26847
1990 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1991 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1992 (simplify_plus_minus): Count n_constants while filling ops. Replace
1993 qsort with insertion sort. Before going through the array to simplify
1994 pairs, sort it. Delay early exit until after the first sort, exiting
1995 only if no swaps occurred. Simplify pairs in reversed order, without
1996 special-casing the first iteration. Pack ops after simplifying pairs.
1998 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2000 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2001 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2002 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2003 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2005 2006-09-05 Richard Guenther <rguenther@suse.de>
2007 PR tree-optimization/28900
2008 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2009 compound conditional before creating COND_EXPR condition.
2011 2006-09-05 Richard Guenther <rguenther@suse.de>
2013 PR tree-optimization/28905
2014 * tree-vrp.c (fix_equivalence_set): Manually implement
2015 !value_ranges_intersect_p to also handle symbolic ranges.
2017 2006-09-05 Richard Guenther <rguenther@suse.de>
2020 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2023 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2025 PR rtl-optimization/27616
2026 * cse.c (table_size): New static variable.
2027 (new_basic_block): Initialize it to 0.
2028 (remove_from_table): Decrement it.
2029 (insert): Increment it.
2030 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2031 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2032 fold_rtx_mem_1 if under the cap.
2033 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2034 the lookup of the equivalent expression and test for equality of the
2035 first operand of the equivalent expression before in turn looking up
2036 an equivalent constant for the second operand.
2038 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2041 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2042 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2043 pointer, instead of assuming it is possible to derive the
2044 correct args size from a call insn.
2046 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2049 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2050 (fold_builtin_mempcpy): Rename to...
2051 (fold_builtin_memory_op): ... this. Optimize one element copy
2053 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2055 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2056 (expand_builtin_memcpy, expand_builtin_mempcpy,
2057 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2058 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2059 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2060 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2062 2006-09-01 DJ Delorie <dj@redhat.com>
2064 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2065 (stzx_16): Likewise.
2066 ("stzx_24_<mode>"): Likewise.
2067 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2068 ("cmp<mode>_op"): New.
2069 (cmp<mode>): Change to expander; just save operands.
2071 (b<code>): Change to expander, emit compare here.
2072 (s<code>_op): Change to use split and expander.
2073 (s<code>_24_op): Likewise.
2074 (s<code>_<mode>): New.
2075 (s<code>_<mode>_24): New.
2076 (movqicc_<code>_<mode): New.
2077 (movhicc_<code>_<mode>): New.
2080 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2081 (m32c_pend_compare): New.
2082 (m32c_unpend_compare): New.
2083 (m32c_expand_scc): New.
2084 (m32c_expand_movcc): Emit the compare also.
2085 * config/m32c/predicates.md (mra_nopp_operand): New.
2087 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2088 Richard Guenther <rguenther@suse.de>
2089 Adam Nemet <anemet@caviumnetworks.com>
2092 * builtins.c (get_pointer_alignment): Handle more forms
2093 of base addresses that can be used to derive more precise
2094 information about alignment.
2096 2006-09-01 Jason Merrill <jason@redhat.com>
2099 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2102 * gimplify.c (voidify_wrapper_expr): Handle null type.
2104 2006-09-01 Josh Conner <jconner@apple.com>
2107 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2108 (execute_return_slot_opt): Use it.
2110 2006-08-31 Josh Conner <jconner@apple.com>
2113 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2114 returning aggregates.
2116 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2118 PR tree-optimization/28839
2119 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2120 blocks in that phi arguments appear.
2122 2006-08-31 Roger Sayle <roger@eyesopen.com>
2125 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2126 NULL, otherwise use an advance_loc4 to adjust relative to the
2128 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2129 (dwarf2out_switch_text_section): Reset the current label to avoid
2130 using advance_loc4 over section boundaries.
2132 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2135 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2136 r12 + SYMBOLIC_CONST.
2138 2006-08-30 Richard Guenther <rguenther@suse.de>
2140 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2142 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2144 PR rtl-optimization/27735
2145 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2146 Add new argument to keep track of whether an irreducible region
2147 was affected. All callers changed.
2148 (fix_irreducible_loops): Removed.
2149 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2150 flags were invalidated.
2152 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2154 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2155 instead of SF operands.
2156 (*fop_df_comm_sse): Likewise.
2157 (*fop_df_comm_i387): Likewise.
2158 (*fop_df_1_mixed): Likewise.
2159 (*fop_df_1_sse): Likewise.
2161 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2162 J"orn Rennecke <joern.rennecke@st.com>
2164 PR tree-optimization/17506
2165 * tree-ssa.c (warn_uninit): If warning about a location outside of
2166 the current function, note where the variable was declared.
2168 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2170 PR tree-optimization/28411
2171 * double-int.c (double_int_div): Use double_int_divmod.
2172 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2173 double_int_mod, double_int_smod, double_int_umod): New functions.
2174 * double-int.h (double_int_divmod, double_int_sdivmod,
2175 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2177 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2179 (get_computation_aff, get_computation_cost_at): Handle double_int
2180 return type of constant_multiple_of.
2182 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2185 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2186 an implicit conversion.
2188 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2190 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2192 2006-08-27 Roger Sayle <roger@eyesopen.com>
2194 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2197 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2199 * config/i386/crtfastmath.c: Fix a comment typo.
2201 2006-08-26 Roger Sayle <roger@eyesopen.com>
2203 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2204 temporary visit flags on CASE_LABEL_EXPRs.
2205 * c-common.c (match_case_to_enum): Add function comment. Avoid
2206 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2207 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2208 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2209 a constant, only warn if that constant value isn't handled.
2211 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2214 * input.h (restore_input_file_stack): Declare.
2215 (INPUT_FILE_STACK_BITS): Define.
2216 * toplev.c (fs_p, input_file_stack_history,
2217 input_file_stack_restored, restore_input_file_stack): New.
2218 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2219 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2220 (pop_srcloc): Don't free old state of stack.
2222 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2225 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2226 (PowerPC Type Attributes): New.
2228 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2230 * config/xtensa/xtensa.c (function_arg_boundary): New.
2231 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2233 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2234 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2236 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2239 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2242 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2244 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2245 (verify_local_live_at_start): Likewise.
2247 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2250 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2251 omp_add_variable): Treat sizes as variable whenever not
2254 2006-08-26 Richard Guenther <rguenther@suse.de>
2257 * fold-const.c (fold_binary): Fold temporary to correct
2258 type before constructing new comparison.
2260 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2263 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2264 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2266 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2269 * c-decl.c (start_function): Don't try to process prototype
2270 information from old declaration that isn't a function.
2272 2006-08-25 Jan Hubicka <jh@suse.cz>
2275 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2277 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2280 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2283 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2285 PR tree-optimization/16876
2286 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2287 exit if PARM doesn't match VALUE.
2289 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2291 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2292 literal_prefix directive.
2293 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2294 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2295 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2297 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2300 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2301 predicate to general_operand. Add 0->y and I->r alternatives.
2303 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2305 * doc/tm.texi: Fix a typo.
2306 * predict.c: Fix comment typos.
2308 2006-08-25 Nick Clifton <nickc@redhat.com>
2310 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2311 assertions of "cpu" and "machine".
2313 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2316 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2317 the access through a base which has an alias set of 0 cannot
2320 2006-08-24 Bill Wendling <wendling@apple.com>
2322 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2324 2006-08-24 Jan Hubicka <jh@suse.cz>
2326 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2328 2006-08-24 Jan Hubicka <jh@suse.cz>
2331 * cgraph.c: Fix comments.
2332 (cgraph_varpool_mark_needed_node): Mark only variables not already
2334 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2335 (cgraph_varpool_assembled_nodes_queue): New static variable.
2336 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2337 (cgraph_varpool_output_debug_info): New function.
2338 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2339 * Makefile.in: Add gt-cgraphunit.h
2341 2006-08-24 Jan Hubicka <jh@suse.cz>
2343 * predict.c (probability_reliable_p): New predicate.
2344 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2345 (predict_loops): Do not predict loop exit with less than 2%
2347 * basic-block.h (edge_probability_reliable_p,
2348 br_prob_note_reliable_p): Declare.
2349 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2350 prediction when static predictor is not reliable.
2351 * rs6000.c (output_cbranch): Likewise.
2353 2006-08-23 Stuart Hastings <stuart@apple.com>
2356 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2357 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2359 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2362 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2363 complex values, nor for generic vector values.
2365 2006-08-22 Richard Guenther <rguenther@suse.de>
2368 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2369 parameter. Convert arguments to arithmetic expression to the
2371 (analyze_scalar_evolution_1): Adjust caller.
2373 2006-08-22 Jan Hubicka <jh@suse.cz>
2375 Patch by Paolo Bonzini
2376 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2379 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2381 PR tree-optimization/28003
2382 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2383 before grouping aliases.
2385 2006-08-22 Roger Sayle <roger@eyesopen.com>
2387 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2388 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2390 2006-08-21 Jason Merrill <jason@redhat.com>
2393 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2394 wrapper. Loop to handle nested wrappers.
2395 (gimplify_bind_expr): Remove temp parameter.
2396 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2397 and STATEMENT_LIST on the rhs.
2398 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2399 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2400 (gimplify_target_expr): Remove special BIND_EXPR handling.
2402 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2404 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2407 2006-08-21 Olivier Hainque <hainque@adacore.com>
2409 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2410 Arrange for the temporary captures of components overlapping the lhs
2411 to happen before the lhs is possibly cleared.
2413 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2415 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2416 necessary places to pass the correct "number of registers" values
2419 2006-08-20 Jan Hubicka <jh@suse.cz>
2421 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2422 (create_name_tags): Instead of quadratic checking use hashtable.
2423 * bitmap.h: Include hashtab.h.
2424 (bitmap_hash): Declare.
2425 * bitmap.c (bitmap_hash): New function.
2427 2006-08-20 Jan Hubicka <jh@suse.cz>
2429 PR rtl-optimization/28071
2430 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2432 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2433 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2434 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2435 cgraph_decide_inlining_incrementally): Update use of
2436 cgraph_check_inline_limits.
2437 * cgraph.c (edge_hash, edge_eq): New function.
2438 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2439 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2440 cgraph_remove_node): Maintain call site hash.
2441 * cgraph.h (struct cgraph_node): Add call_site_hash.
2442 (cgraph_set_call_stmt): New function.
2444 2006-08-20 Jan Hubicka <jh@suse.cz>
2446 PR rtl-optimization/28071
2447 * reload1.c (reg_has_output_reload): Turn into regset.
2448 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2449 choose_reload_regs, emit_reload_insns): Update to new
2450 reg_has_output_reload.
2452 2006-08-20 Jan Hubicka <jh@suse.cz>
2455 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2456 function body sizes.
2457 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2459 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2462 * tree.c (handle_dll_attribute): Return early if not a
2463 var or function decl.
2465 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2468 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2469 alignment of SPE vector types.
2471 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2473 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2475 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2478 * cgraph.h (struct cgraph_node): Remove externally_visible
2480 * cgraphunit.c (process_function_and_variable_attributes): Set
2481 local.externally_visible rather than externally_visible.
2484 * c-common.c (handle_externally_visible_attribute): First look
2485 at TREE_CODE and only if it is function or var decl, check for
2486 non-public objects. Don't warn for DECL_EXTERNAL.
2487 * cgraphunit.c (process_function_and_variable_attributes): Warn
2488 if externally_visible attribute is used on non-public object.
2490 2006-08-17 Jan Hubicka <jh@suse.cz>
2492 PR tree-optimization/27865
2493 * reload1.c (forget_marked_reloads): New function.
2494 (forget_old_reloads_1): When data are passed, just mark the registers
2496 (reload_as_needed): Use the new mechanizm.
2498 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2501 * reload.h (reg_equiv_alt_mem_list): New declaration.
2502 * reload1.c (reg_equiv_alt_mem_list): New definition.
2503 (reload): Initialize it and release it.
2504 (delete_output_reload): Use it.
2505 * reload.c (push_reg_equiv_alt_mem): New function.
2506 (find_reloads_toplev): Call it.
2507 (find_reloads_address, find_reloads_address_1): Likewise.
2508 (find_reloads_subreg_address): Likewise.
2510 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2512 PR rtl-optimization/28489
2513 * sched-ebb.c (begin_schedule_ready): Create basic block
2515 (advance_target_bb): Skip empty blocks.
2516 * haifa-sched.c (bb_note): Make global.
2517 * sched-int.h (bb_note): Add prototype.
2519 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2521 PR tree-optimization/27865
2522 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2524 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2525 fold_used_pointer, pointer_used_p): New functions.
2526 (analyze_scalar_evolution_1): Use fold_used_pointer.
2527 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2528 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2531 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2534 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2535 or the INTEGER_CST. Fail on a CALL_EXPR.
2536 (fold_offsetof): Pass new argument to fold_offsetof_1.
2537 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2538 operand into an INDIRECT_REF.
2539 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2541 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2543 PR gcov/profile/26570
2544 * value-prof.c (static_values): Removed.
2545 (tree_find_values_to_profile): Do not set static_values.
2546 (find_values_to_profile): Do not free static_values.
2547 * profile.c (instrument_values): Do not free the values.
2548 (branch_prob): Free the values.
2550 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2552 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2554 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2557 * c-typeck.c (build_component_ref): Combine qualifiers of
2558 structure or union and field.
2560 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2562 PR rtl-optimization/28071
2563 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2564 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2565 * tree-into-ssa.c (struct dom_dfsnum): New.
2566 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2568 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2569 compute_global_livein.
2570 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2571 in phi nodes in the correct blocks.
2573 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2575 PR tree-optimization/28364
2576 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2578 (fold_affine_expr): New function.
2579 (may_eliminate_iv): Use fold_affine_expr.
2581 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2584 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2587 2006-08-16 Mike Stump <mrs@apple.com>
2589 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2590 * doc/cppopts.texi (-MD): Likewise.
2592 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2595 * c-common.c (handle_weak_attribute): Ignore and warn if
2596 not a FUNCTION_ or VAR_DECL.
2598 2006-07-15 Mike Stump <mrs@apple.com>
2601 * c-parser.c (c_parser_typeof_specifier): Don't use
2602 c_finish_expr_stmt, open code desired semantics instead.
2604 2006-08-15 Nick Clifton <nickc@redhat.com>
2606 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2607 fragment to tmake_file only if threads are enabled.
2608 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2609 * config/i386/t-gthr-win32: New file. ... here.
2611 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2614 * c-parser.c (c_parser_compound_statement_nostart): Reset
2615 parser->error after each statement.
2617 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2620 * omp-low.c (lower_omp_parallel): Convert t to
2621 receiver_decl's type.
2622 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2623 source before comparison.
2626 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2627 to itype in assignment to oldival2.
2629 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2633 * c-typeck.c (build_compound_expr): If the second expression
2634 is an error mark, then just return an error mark instead of
2635 creating a COMPOUND_EXPR.
2637 2006-07-14 Mike Stump <mrs@apple.com>
2639 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2641 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2643 * c-decl.c, var-tracking.c: Fix comment typos.
2645 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2647 PR rtl-optimization/28634
2648 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2649 for floating-point modes unless flag_unsafe_math_optimizations.
2651 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2652 Andrew Pinski <pinskia@physics.uc.edu>
2655 * tree.c (build_array_type): Unify array types with
2656 unspecified index_type.
2657 * c-decl.c (grokdeclarator): Make sure we do not modify a
2658 unified incomplete array type.
2659 * c-typeck.c (store_init_value): Create distinct type before
2660 filling in the index type in an initializer from a compound
2663 * c-decl.c (grokdeclarator): Remove code where we copy the
2666 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2668 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2669 into account for TODO_dump_cgraph.
2670 (TODO_update_ssa_no_phi): Likewise.
2671 (TODO_update_ssa_full_phi): Likewise.
2672 (TODO_update_ssa_only_virtuals): Likewise.
2673 (TODO_remove_unused_locals): Likewise.
2674 (TODO_set_props): Likewise.
2675 (TODO_update_stmt_usage): Likewise.
2677 2006-08-13 Dirk Mueller <dmueller@suse.de>
2679 * c-common.c (strict_aliasing_warning): Fix formatting.
2681 2006-08-13 Matthias Klose <doko@debian.org>
2683 * doc/invoke.texi: Fix spelling errors.
2685 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2687 PR rtl-optimization/23454
2688 * reorg.c (relax_delay_slots): Update comment.
2690 2006-08-11 Richard Guenther <rguenther@suse.de>
2693 * simplify-rtx.c (simplify_const_relational_operation):
2694 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2697 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2699 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2700 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2702 2006-08-10 Paul Brook <paul@codesourcery.com>
2704 * final.c (final_scan_insn): Clear current_insn_predicate before
2705 outputting inline asm.
2707 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2709 PR tree-optimization/26197
2710 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2711 get_ref_base_and_extent and overlap_subvar to add only relevant
2712 subvars as may-aliases.
2713 (add_may_alias_for_new_tag): New function, factored out of
2715 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2716 with additional argument.
2717 * tree-flow.h (new_type_alias): Takes additional argument.
2719 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2721 * gcov.c (no_data_file): New flag.
2722 (read_count_file): Set it if data file not present. Assume counts
2724 (output_lines): Don't name the data file, if there wasn't one.
2726 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2728 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2729 (rs6000_generate_compare): Tweak comments.
2730 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2732 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2734 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2735 (var_debug_decl): New function.
2736 (var_reg_set): Follow debug decl link. Add location even if
2737 reg is already known to hold some other variable.
2738 (var_mem_set): Follow debug decl link.
2739 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2740 decl link. Delete other known locations of the variable part
2742 (var_reg_delete, var_mem_delete): Delete other known locations
2743 of the variable part if requested.
2744 (same_variable_part_p): New function.
2745 (add_stores): Select MO_COPY when appropriate.
2746 (vt_initialize): Handle it.
2747 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2748 known locations for MO_SET and MO_CLOBBER.
2749 (find_variable_location_part): New function.
2750 (set_variable_part, delete_variable_part): Use it.
2751 (clobber_variable_part): New function.
2752 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2755 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2757 PR tree-optimization/26969
2758 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2759 with an empty list of PHIs.
2761 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2765 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2768 2006-08-06 Andreas Schwab <schwab@suse.de>
2770 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2771 string. Whitespace and comment fixup.
2773 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2776 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2780 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2783 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2785 2006-08-04 Jan Hubicka <jh@suse.cz>
2789 * reload.c (push_reload): Patch out the mismatching instruction;
2791 (find_reload): Bail out if the instruction was patched out.
2793 2006-08-04 Jan Hubicka <jh@suse.cz>
2795 PR tree-optimization/24888
2796 * tree-inline.c (expand_call_inline): Do not re-record variables.
2797 (declare_inline_vars): Add variable to unexpanded_var_list.
2799 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2800 Roger Sayle <roger@eyesopen.com>
2802 PR rtl-optimization/26244
2803 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2804 inner_const are negative or greater than or equal to the bitsize of
2805 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2806 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2807 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2808 CONST0_RTX (mode) when the new shift count is greater than or equal to
2809 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2812 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2814 * tree-cfg.c: Fix a comment typo.
2816 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2819 * varasm.c (output_constant): Give the front end another chance to
2820 expand constants, after stripping NOPs.
2822 2006-08-03 Jan Hubicka <jh@suse.cz>
2824 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2827 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2829 PR tree-optimization/27770
2830 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2831 declaration removed (moved to tree-flow.h).
2832 (vect_can_force_dr_alignment_p): Likewise.
2833 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2834 (moved from tree-vectorizer.h).
2835 (vect_can_force_dr_alignment_p): Likewise.
2836 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2837 from outside the vectorizer - in particular from cgraph stage.
2838 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2839 the alignment of global arrays when -fsection-anchors is enabled.
2840 * cgraphunit.c (cgraph_increase_alignment): New function.
2841 (cgraph_optimize): Call cgraph_increase_alignment.
2843 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2846 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2847 not reload a SPE symbol_ref into a lo_sum address.
2849 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2852 * dwarf2out.c (prune_unused_types_prune): Move call to
2853 prune_unused_types_update_strings to cover the parent DIE also.
2855 2006-08-02 Jan Hubicka <jh@suse.cz>
2857 PR gcov/profile/28480
2858 * tree-cfg.c (change_bb_for_stmt): New function.
2859 (tree_merge_blocks, tree_split_blocks): Use it.
2861 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2867 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2868 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2869 (cgraph_optimize): Likewise.
2871 2006-08-01 Stuart Hastings <stuart@apple.com>
2873 * rtl.h (UINTVAL) New.
2874 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2875 * testsuite/gcc.dg/20060801-1.c: New.
2877 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2880 * c-typeck.c (build_external_type): Mark used enum types.
2881 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2883 (gen_subprogram_die): Whitespace fix.
2885 2006-08-01 Jan Hubicka <jh@suse.cz>
2887 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2888 bitmap when not needed.
2889 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2892 2006-08-01 Dirk Mueller <dmueller@suse.de>
2894 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2896 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2898 * Makefile.in: Revert part of previous patch:
2899 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2902 2006-07-30 Eric Christopher <echristo@apple.com>
2905 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2906 (PowerPC Variable Attributes): New section.
2908 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2910 PR target/28126 (partial fix)
2911 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2913 2006-07-28 Jan Hubicka <jh@suse.cz>
2915 PR rtl-optimization/28071
2916 * cfgrtl.c (rtl_delete_block): Free regsets.
2917 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2919 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2921 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2922 and variables used in dependencies.
2924 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2926 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2927 %fs for -mcmodel=kernel.
2928 (stack_tls_protect_test_di): Likewise.
2930 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2932 * Makefile.in: Use mkinstalldirs.
2934 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2937 * opts-common.c (prune_options): Skip joined switches.
2939 2006-07-27 Jan Hubicka <jh@suse.cz>
2941 PR rtl-optimization/28071
2942 * cselib.c (cselib_process_insn): Don't remove useless values too
2943 often for very large hashtables.
2945 2006-07-27 Jan Hubicka <jh@suse.cz>
2947 PR rtl-optimization/28071
2948 * global.c (greg_obstack): New obstack.
2949 (allocate_bb_info): Use it.
2950 (free_bb_info): Likewise.
2951 (modify_reg_pav): Likewise.
2953 2006-07-27 Roger Sayle <roger@eyesopen.com>
2955 * builtins.c (fold_fixed_mathfn): When long and long long are the
2956 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2957 functions to their lceil*, lfloor*, lround* and lrint* forms.
2959 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2962 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2964 (rev_branch_insn): Likewise.
2966 2006-07-27 Jan Hubicka <jh@suse.cz>
2968 PR rtl-optimization/28071
2969 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2970 (reg_set_in_bb, max_reg_computed): New static variables.
2971 (regmove_optimize): Free the new array.
2972 (fixup_match_1): Update call of reg_is_remote_constant_p.
2974 2006-07-26 Jan Hubicka <jh@suse.cz>
2976 PR tree-optimization/27882
2977 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2979 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2981 (cgraph_analyze_compilation_unit): Likewise.
2982 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2983 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2984 (cgraph_early_inlinine): Make order garbage collected.
2985 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2987 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2989 * dbxout.c (output_types_sort): Add a comment.
2990 (output_used_types): Free the VEC.
2992 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2994 * function.c (reorder_fix_fragments): Delete.
2995 (reorder_blocks): Don't call it.
2996 (reorder_blocks_1): Put all subblocks under the origin block.
2998 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3000 PR rtl-optimization/27907
3001 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3004 2006-07-25 Roger Sayle <roger@eyesopen.com>
3007 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3008 bar(x) check that bar's result type can represent all the values of T.
3010 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3012 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3014 2006-07-25 Nick Clifton <nickc@redhat.com>
3016 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3017 size_lookup[] array.
3018 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3019 (ggc_pch_count_object): Likewise.
3020 (ggc_pch_alloc_object): Likewise.
3021 (ggc_pch_write_object): Likewise.
3022 (init_ggc): Do not attempt to initialize entries in the
3023 size_lookup[] array for objects whose size is greater than than
3024 the length of the array.
3026 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3028 * dbxout.c (output_used_types_helper): Push queued types
3030 (output_types_sort): New.
3031 (output_used_types): Collect used types on a VEC and sort them
3034 2006-07-24 Richard Guenther <rguenther@suse.de>
3037 * cgraph.c (cgraph_remove_node): Do not check if dumps
3039 * cgraphunit.c (cgraph_optimize): Likewise.
3041 2006-07-24 Jan Hubicka <jh@suse.cz>
3043 PR rtl-optimization/28071
3044 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3045 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3046 splitting before first stmt.
3048 2006-07-24 Jan Hubicka <jh@suse.cz>
3050 PR rtl-optimization/28071
3051 * ipa-inline.c (update_caller_keys): Remove edges that
3052 are no longer inline candidates.
3054 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3057 * dbxout.c (output_used_types_helper, output_used_types): New.
3058 (dbxout_symbol): Call output_used_types.
3060 2006-07-23 Jan Hubicka <jh@suse.cz>
3064 * cgraph.c (cgraph_varpool_nodes): Export.
3065 (decide_is_variable_needed): Ignored "used" attribute in
3066 unit-at-a-time mode.
3067 * cgraph.h (cgraph_varpool_nodes): Declare.
3068 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3069 unit-at-a-time mode.
3071 2006-07-23 Roger Sayle <roger@eyesopen.com>
3074 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3075 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3076 the __gthrw form of thr_keycreate.
3077 (__gthread_key_delete): Silence the unused argument warning.
3079 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3082 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3083 Cache the last found '\0' marker to avoid quadratic behavior.
3085 2006-07-23 Jan Hubicka <jh@suse.cz>
3087 * i386.md (subsi_3_zext): Fix output template.
3089 2006-07-21 Mike Stump <mrs@apple.com>
3091 * doc/invoke.texi (C++ Dialect Options): Note that
3092 -fvisibility-inlines-hidden doesn't affect explicitly
3093 instantiationed inline methods.
3095 2006-07-20 Roger Sayle <roger@eyesopen.com>
3097 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3098 if the target assembler is GNU binutils' gas.
3099 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3100 whether to pass GNU gas or native as command line options.
3102 2006-07-20 Jason Merrill <jason@redhat.com>
3104 * tree.c (remove_attribute): New fn.
3105 * tree.h: Declare it.
3107 2006-07-20 Paul Brook <paul@codesourcery.com>
3110 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3111 they are invalidated by this instruction.
3113 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3116 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3118 2006-07-20 Eric Christopher <echristo@apple.com>
3121 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3123 2006-07-19 Eric Christopher <echristo@apple.com>
3125 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3126 Rewrite dependencies for libgcc_s.1.dylib.
3128 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3130 * except.c (duplicate_eh_regions_1): Clear next_peer.
3132 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3134 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3135 -mlongcall does not guarantee all calls will be long.
3136 * doc/extend.texi (long_call/short_call): Document that longcall
3137 does not guarantee a long call will be used.
3138 (longcall/shortcall): Likewise.
3140 2006-07-18 Roger Sayle <roger@eyesopen.com>
3143 * expmed.c (expand_shift): Additionally check that the shift_cost
3144 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3145 before implementing a LSHIFT_EXPR as a sequence of additions.
3146 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3147 middle-end that DImode shifts need to be synthesized by expand.
3149 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3152 * tree-ssa-operands.c (access_can_touch_variable): Update
3154 Return true if ALIAS is .GLOBAL_VAR.
3156 2006-07-18 David Daney <ddaney@avtrex.com>
3158 * gcc.c (display_help): Fix typo in help text.
3160 2006-07-18 Olivier Hainque <hainque@adacore.com>
3162 * tree.h (categorize_ctor_elements): Adjust prototype and add
3163 descriptive comment, both in accordance with the interface change
3165 * varasm.c (constructor_static_from_elts_p): New function.
3166 Whether a constructor node is a valid static constant initializer
3167 if all its elements are.
3168 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3169 * output.h: Declare it.
3170 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3171 is a valid constant initializer instead of computing the number of
3172 non-constant elements. Use constructor_static_from_elts_p for this
3173 purpose. Replace the head comment with an indication that this is a
3174 helper for categorize_ctor_elements.
3175 (categorize_ctor_elements): Same interface change as for the _1
3176 helper. Former head comment from this helper moved here, adjusted to
3177 account for the interface changes.
3178 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3179 (all_zeros_p): Likewise.
3180 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3181 static versions of the constructor from the categorize_ctor_elements
3182 return value instead of the formerly computed number of non-constant
3185 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3187 * configure: Regenerate.
3188 * Makefile.in (build_libsubdir): New configure substitution
3189 (build_libobjdir): New variable.
3190 (BUILD_LIBIBERTY): Use it.
3192 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3195 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3197 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3200 * c-common.c (handle_weakref_attribute): Ignore attribute in
3201 the same conditions the alias attribute is ignored.
3203 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3205 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3206 (dbxout_begin_prologue): Increment scope_labelno.
3208 2006-07-17 Richard Henderson <rth@redhat.com>
3211 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3214 2006-07-17 Roger Sayle <roger@eyesopen.com>
3215 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3217 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3218 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3219 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3220 functions such as sbrk, write, etc.. Add function prototypes.
3221 Convert function declarations from K&R to ISO C. Cast pointers
3222 to "long" and "unsigned long" instead of "int" and "unsigned int".
3223 Convert tokens following #endif into comments.
3225 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3227 * invoke.texi: Remove mention of f77; Reformat table for
3228 inline parameter options correctly; mention that -malign-double
3229 is default on x86-64 targets.
3231 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3233 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3234 (convert_affine_scev, chrec_convert_aggressive): Use
3235 avoid_arithmetics_in_type_p. Do not check for the subtypes
3238 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3241 * optabs.c (expand_doubleword_shift): Wrap the call to
3242 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3244 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3247 * optabs.c (expand_binop): Pass next_methods rather than methods
3248 to expand_doubleword_shift.
3250 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3253 * tree.h (dump_addr): Declare.
3254 * print-tree.c (dump_addr): New function.
3255 (print_node_brief, print_node): Use it.
3256 * print-rtl.c (print_rtx): Likewise.
3257 * common.opt (-fdump-noaddr): New option.
3258 * doc/invoke.texi (-fdump-noaddr): Document.
3259 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3260 (ve_info_hash): Likewise.
3262 2006-07-13 Andrew Haley <aph@redhat.com>
3264 PR tree-optimization/19505
3265 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3266 edge leaving this block, make sure that the destination of this
3267 block has only one predecessor.
3269 2006-07-17 Richard Guenther <rguenther@suse.de>
3271 PR tree-optimization/28238
3272 * tree-inline.c (copy_bb): Check if we produced valid
3273 gimple copying and substituting a stmt. If not, gimplify
3276 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3278 * optabs.c (maybe_encapsulate_block): New function extracted from...
3279 (emit_libcall_block): ...here. Invoke it on the block of insns to
3280 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3281 (emit_no_conflict_block): Likewise.
3283 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3285 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3287 2006-07-15 Roger Sayle <roger@eyesopen.com>
3289 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3290 a new NOP_EXPR case of the switch statement.
3292 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3295 * stor-layout.c (place_field): Take the bit field with
3296 an excessive size into account in the ms-bitfiled case.
3299 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3300 the previous bit field.
3302 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3305 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3307 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3309 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3310 signal frames correctly even when the signal was installed with
3313 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3315 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3316 (dbxout_function_end): Use local label LFBB. Remove hook
3318 (dbxout_source_line): Use local label LFBB.
3319 (dbxout_block): Likewise.
3320 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3321 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3322 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3323 and DBX_OUTPUT_NFUN.
3325 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3327 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3329 2006-07-13 Jan Hubicka <jh@suse.cz>
3331 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3333 * output.h (align_variable): Declare.
3334 * varasm.c (align_variable): Export.
3335 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3336 when basic block changed.
3338 2006-07-13 Nick Clifton <nickc@redhat.com>
3340 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3341 walking the LOG_LINKS chain.
3343 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3345 * doc/invoke.texi (C++ Dialect Options): Explain difference
3346 between -fvisibility-inlines-hidden and setting hidden
3347 visibility explicitly.
3349 2006-07-12 Eric Christopher <echristo@apple.com>
3351 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3352 (stmp-lipo): Depend on libgcc.a.
3354 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3356 * tree.c: Fix a comment typo.
3358 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3360 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3362 (umulhisi3_r): Likewise.
3364 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3367 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3368 x < 19, vs wchar_t support.
3370 2006-07-12 Nick Clifton <nickc@redhat.com>
3372 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3373 instead of -isa=sh4.
3375 2006-07-12 Mike Stump <mrs@apple.com>
3377 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3379 2006-07-10 Eric Christopher <echristo@apple.com>
3381 * config/t-slibgcc-darwin: Rewrite.
3383 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3386 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3389 2006-07-08 Matthias Klose <doko@debian.org>
3391 * doc/sourcebuild.texi: Fix typo.
3393 2006-07-07 Mike Stump <mrs@apple.com>
3395 * toplev.c (process_options): Don't give -ffunction-sections may
3396 affect debugging warning for Mach-O.
3398 2006-07-07 James E Wilson <wilson@specifix.com>
3400 * config/mips/mips.md (cpu): Add sb1a.
3401 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3402 addition to sb1. Adjust comments to clarify SB-1A differences from
3404 (ir_sb1a_load): New. Modify bypasses to use it.
3405 (ir_sb1a_simple_alu): Likewise.
3406 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3407 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3408 (mips_issue_rate): Add PROCESSOR_SB1A.
3409 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3410 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3411 (TARGET_SB1): Add PROCESSOR_SB1A check.
3412 (TUNE_SB1): Likewise.
3414 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3415 * config/mips/mips.c (mips_store_data_bypass_p): New.
3416 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3417 store_data_bypass_p.
3419 2006-07-08 Paul Brook <paul@codesourcery.com>
3422 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3424 2006-07-07 Richard Guenther <rguenther@suse.de>
3427 * tree.h (build_one_cst): Declare.
3428 * tree.c (build_one_cst): New function.
3429 * tree-ssa-math-opts.c (get_constant_one): Remove.
3430 (insert_reciprocals): Use build_one_cst.
3431 * fold-const.c (fold_plusminus_mult): Likewise.
3433 2006-07-07 Roger Sayle <roger@eyesopen.com>
3435 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3436 * cfgloopanal.c (dump_graph): Likewise.
3437 * dojump.c (discard_pending_stack_adjust): Likewise.
3438 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3440 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3441 * function.c (finalize_block_changes): Likewise.
3442 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3443 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3444 * rtl.c (dump_rtx_statistics): Likewise.
3445 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3447 * varray.c (dump_varray_statistics): Likewise.
3448 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3449 decode_decimal64, encode_decimal128, decode_decimal128,
3450 decimal_real_to_decimal): Likewise.
3452 2006-07-07 Richard Guenther <rguenther@suse.de>
3454 PR tree-optimization/28187
3455 * tree-vrp.c (vrp_operand_equal_p): New function.
3456 (vrp_bitmap_equal_p): Likewise.
3457 (update_value_range): Use them to compare old and new
3460 2006-07-06 Roger Sayle <roger@eyesopen.com>
3462 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3463 a default case to switch statement to silence compiler warnings.
3465 2006-07-06 Roger Sayle <roger@eyesopen.com>
3468 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3469 the configured assembler supports the x87's ffreep mnemonic.
3470 * configure: Regenerate.
3471 * config.in: Regenerate.
3473 * config/i386/i386.c (output_387_ffreep): New function.
3474 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3475 (output_387_reg_move): Likewise.
3477 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3479 Port to hosts whose 'sort' and 'tail' implementations
3480 treat operands with leading '+' as file names, as POSIX
3481 has required since 2001. However, make sure the code still
3482 works on pre-POSIX hosts.
3483 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3484 which says you should use "tail -c +N" rather than "tail +Nc".
3485 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3487 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3489 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3492 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3495 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3496 PRE_{INC,DEC} of TFmode.
3498 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3499 Alan Modra <amodra@bigpond.net.au>
3502 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3505 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3508 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3509 Remove duplicate gtu.
3511 2006-07-05 Jason Merrill <jason@redhat.com>
3515 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3516 * c-common.c (handle_packed_attribute): So don't copy it here.
3517 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3519 2006-07-05 Mike Stump <mrs@apple.com>
3521 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3523 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3526 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3528 2006-07-05 Richard Guenther <rguenther@suse.de>
3531 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3532 TARGET_SSE2 targets if using SSE math.
3533 (*absdf2_1): Likewise.
3535 2006-07-05 Richard Guenther <rguenther@suse.de>
3537 PR tree-optimization/28162
3538 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3539 make sure to convert the operands to the correct type.
3541 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3543 PR tree-optimization/28218
3545 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3546 to calculate and free the dominator information.
3548 2006-07-04 Peter O'Gorman <peter@pogma.com>
3550 * mklibgcc.in: chmod 644 before ranlib during install.
3552 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3553 J"orn Rennecke <joern.rennecke@st.com>
3555 * configure.ac (.eh_frame data check): Use diff -b.
3557 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3560 * Makefile.in (BUILD_RTL): Add build/vec.o.
3561 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3562 (build/genextract): Delete.
3563 (build/genautomata): Likewise.
3565 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3568 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3569 128-bit IBM long doubles for ABI_V4.
3571 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3573 * tree.c (range_in_array_bounds_p): New predicate.
3574 * tree.h (range_in_array_bounds_p): Declare it.
3575 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3576 return a less conservative answer.
3577 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3578 and flag 'is_group'.
3579 (IS_ELEMENT_FOR_GROUP): New macro.
3580 (FOR_EACH_ACTUAL_CHILD): Likewise.
3581 (next_child_for_group): New helper function.
3582 (can_completely_scalarize_p): Take into account groups.
3583 (sra_hash_tree): Handle RANGE_EXPR.
3584 (sra_elt_eq): Likewise.
3585 (lookup_element): Be prepared for handling groups.
3586 (is_valid_const_index): Delete.
3587 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3588 instead of is_valid_const_index.
3589 <ARRAY_RANGE_REF>: New case.
3590 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3591 is_valid_const_index.
3592 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3593 (scan_dump): Dump info for groups too.
3594 (decide_instantiation_1): Likewise.
3595 (decide_block_copy): Assert that the element is not a group.
3596 Propagate decision to groups.
3597 (generate_one_element_ref): Handle RANGE_EXPR.
3598 (mark_no_warning): Iterate over actual childs.
3599 (generate_copy_inout): Likewise.
3600 (generate_element_copy): Likewise.
3601 (generate_element_zero): Likewise.
3602 (generate_element_init_1): Likewise.
3603 (dump_sra_elt_name): Handle RANGE_EXPR.
3605 2006-07-03 Roger Sayle <roger@eyesopen.com>
3607 PR tree-optimization/26251
3608 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3609 (thread_block): When optimizing for size refuse to thread jumps
3610 that would require duplication of blocks other than redirection
3613 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3615 * configure.ac: Fix thinko in previous check-in.
3616 * configure: Regenerate.
3618 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3621 * configure.ac (for lang...): Simplify nesting of conditionals.
3622 Test subdir_requires for non-enabled languages. Move processing
3623 of lang_opt_files and lang_tree_fiels below that test.
3624 * configure: Regenerate.
3625 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3627 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3629 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3631 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3633 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3636 2006-06-29 Jason Merrill <jason@redhat.com>
3643 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3644 * c-common.c (c_determine_visibility): Handle it here.
3645 * c-decl.c (finish_decl): Call c_determine_visibility for
3647 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3649 * varasm.c (default_assemble_visibility): Likewise.
3650 * c-common.c (handle_visibility_attribute): Complain about trying
3651 to give visibility to an already defined class, or trying to change
3652 declared visibility. Always attach the attribute.
3657 * attribs.c (decl_attributes): Ignore type-in-place attributes
3658 once the type has been defined.
3660 2006-06-29 Roger Sayle <roger@eyesopen.com>
3663 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3664 to indicate the cpplib has issued an error message for us.
3666 2006-06-29 Asher Langton <langton2@llnl.gov>
3669 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3670 insert a label at the end of an function under Mach-O.
3672 2006-06-29 Eric Christopher <echristo@apple.com>
3673 Evan Cheng <evan.cheng@apple.com>
3675 * predicates.md (vector_all_ones_operand): New.
3676 (nonimmediate_or_sse_const_operand): Ditto.
3677 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3678 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3679 (standard_sse_mode_p): Ditto.
3680 (standard_sse_constant_p): Add case for -1 vector.
3681 (ix86_expand_vector_move): Try to use.
3682 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3683 Call standard_sse_constant_opcode.
3684 (*movv4sf_internal): Ditto.
3685 (*movv2df_internal): Ditto.
3687 2006-06-29 Roger Sayle <roger@eyesopen.com>
3689 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3690 of XEXP to extract the operands of a MATCH_CODE rtx.
3692 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3694 * tree.c (tree_size): Do not waste tail padding in
3695 struct tree_string and make the size be the same as
3696 build_string will generate.
3698 2006-06-28 Jason Merrill <jason@redhat.com>
3701 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3702 may_aliases already in the tag's annotations to the bitmap.
3704 2006-06-28 Roger Sayle <roger@eyesopen.com>
3706 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3708 2006-06-28 Roger Sayle <roger@eyesopen.com>
3710 * genpreds.c (generate_switch_p): New function.
3711 (add_mode_tests): Push the new mode test down inside an AND expr
3712 if this allows the switch-suitable MATCH_CODE to be near the root.
3713 (write_match_code_switch): New function to write a MATCH_CODE as
3715 (write_predicate_stmts): New function to write a predicate RTX
3716 expression as a sequence of statements.
3717 (write_one_predicate_function): Use write_predicate_stmts.
3718 (write_tm_constrs_h): Likewise.
3720 2006-06-26 Fred Fish <fnf@specifix.com>
3722 * config/mips/t-sb1: New file.
3723 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3726 2006-06-26 DJ Delorie <dj@redhat.com>
3728 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3730 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3731 Jayant Sonar <jayants@kpitcummins.com>
3732 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3734 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3735 (subsi3, subsi3_1, subsi3_2): New.
3736 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3737 * config/m32c/mov.md (SI mov peephole): New.
3738 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3739 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3741 2006-06-26 Olivier Hainque <hainque@adacore.com>
3743 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3744 a CALL_EXPR target function declaration.
3746 2006-06-26 Richard Guenther <rguenther@suse.de>
3748 * tree.c (build_string): Do not waste tail padding in
3751 2006-06-26 Richard Guenther <rguenther@suse.de>
3753 * ggc-page.c (init_ggc): Add missing element to size_lookup
3757 2006-06-23 Richard Guenther <rguenther@suse.de>
3759 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3760 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3761 alignment requests instead. Add verification code.
3762 Add struct tree_function_decl and struct tree_binfo size to
3763 extra_order_size_table. Add missing element to size_lookup
3766 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3769 * fold-const.c (const_binop): Be prepared for self returning zero.
3770 Simplify code handling complex values.
3772 2006-06-24 Olivier Hainque <hainque@adacore.com>
3774 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3775 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3778 2006-06-24 Olivier Hainque <hainque@adacore.com>
3780 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3781 ARRAY_REF, so have the callback called for the low bound expression.
3783 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3785 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3786 * c-typeck.c (c_common_type): Disallow operations on decimal float
3787 types and other float types.
3788 * convert.c (convert_to_real): Don't ignore conversions involving
3789 decimal float types.
3791 2006-06-23 Olivier Hainque <hainque@adacore.com>
3793 * tree.c (max_int_size_in_bytes): New function, inspired from
3794 code in function.c:assign_temp.
3795 * tree.h (max_int_size_in_bytes): Declare.
3796 * function.c (assign_temp): Use it.
3797 * gimplify.c (create_tmp_var): Relax the assertions on the type
3798 properties, not mandating constant size any more.
3799 (force_constant_size): New static function.
3800 (gimple_add_tmp_var): Use it, forcing variable size to a
3801 constant upper bound if it is not constant on entry.
3803 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3806 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3807 for initialization and setting of one_only flag to ...
3808 (i386_pe_encode_section_info): ...here.
3809 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3810 Recheck that the symbol has not been defined.
3812 2006-06-23 Richard Guenther <rguenther@suse.de>
3814 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3815 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3816 alignment requests instead. Add verification code.
3817 Add struct tree_function_decl and struct tree_binfo size to
3818 extra_order_size_table. Add missing element to size_lookup
3821 2006-06-22 Roger Sayle <roger@eyesopen.com>
3822 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3825 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3826 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3828 2006-06-23 Ben Elliston <bje@au.ibm.com>
3830 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3831 negate dn -- manipulate it directly.
3833 2006-06-22 Roger Sayle <roger@eyesopen.com>
3834 Steven Bosscher <stevenb.gcc@gmail.com>
3837 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3838 generated by gen_move_insn to add REG_LABEL notes if necessary.
3840 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3842 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3843 (leaf_entry): Remove use of MIN_ESA.
3845 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3847 PR rtl-optimization/28121
3848 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3851 2006-06-21 DJ Delorie <dj@redhat.com>
3853 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3855 (mulhisi3_r): Likewise.
3857 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3860 * coverage.c (coverage_counter_alloc): Leave the index type
3862 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3865 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3867 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3868 section from the "Options for Code Generation Conventions".
3870 2006-06-21 Richard Henderson <rth@redhat.com>
3874 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3876 (global_symbolic_operand): Allow weak symbols, even if local_p.
3878 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3880 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3881 (find_interesting_uses_address): Punt if above function returns true.
3883 2006-06-21 Richard Guenther <rguenther@suse.de>
3885 * configure: Regenerated.
3887 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3889 * config/mips/mips.c (function_arg): Where one part of a
3890 complex argument is in registers and the other part in the stack,
3891 return a REG not a PARALLEL.
3893 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3895 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3896 when cross-compiling. Do not substitute libstdcxx_incdir.
3897 * configure: Regenerated.
3899 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3901 * varasm.c (mergeable_string_section): Check for embedded NULs and
3902 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3903 rather than TREE_STRING_LENGTH bytes.
3905 2006-06-21 Richard Guenther <rguenther@suse.de>
3907 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3908 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3911 2006-06-21 Richrad Guenther <rguenther@suse.de>
3913 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3914 Limit iteration over the dominators.
3916 2006-06-20 Roger Sayle <roger@eyesopen.com>
3918 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3919 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3921 2006-06-20 Richard Guenther <rguenther@suse.de>
3922 Michael Matz <matz@suse.de>
3924 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3926 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3927 * et-forest.h (et_free_pools): Prototype new function.
3928 * et-forest.c (et_free_tree_force): Free parent occurrence.
3929 (et_free_pools): New function.
3930 * dominance.c (free_dominance_info): Free et-forest alloc
3933 2006-06-20 Roger Sayle <roger@eyesopen.com>
3935 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3936 integer modes, attempt to directly construct an integer constant.
3938 * fold-const.c (native_encode_vector): Determine the size of each
3939 element from the vector type instead of the first vector element.
3941 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3942 if all of its elements/components are constant.
3943 (build_constructor_from_list): Likewise.
3945 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3947 PR tree-optimization/27331
3948 * tree-data-ref.c (free_data_ref): New function.
3949 (create_data_ref): Fail if the data reference has unknown access
3951 (free_data_refs): Use free_data_ref.
3953 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3956 * tree-inline.c (setup_one_parameter): Strip useless
3957 type conversion before adding it to the IR.
3958 (declare_return_variable): Likewise.
3960 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3963 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3965 2006-06-19 Mike Stump <mrs@apple.com>
3967 * tree.c (variably_modified_type_p): VM arguments don't make the
3970 2006-06-19 Richard Guenther <rguenther@suse.de>
3972 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3973 type conversions after folding.
3975 2006-06-19 Richard Guenther <rguenther@suse.de>
3977 * ggc-page.c (extra_order_size_tab): Add entries with
3978 size of struct function and basic_block.
3979 (size_lookup): Extend to cover sizes up to 511.
3980 (ggc_alloc_stat): Adjust user.
3981 (ggc_pch_count_object): Likewise.
3982 (ggc_pch_alloc_object): Likewise.
3983 (ggc_pch_write_object): Likewise.
3985 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3987 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3988 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3991 2006-06-19 Denis Chertykov <denisc@overta.ru>
3993 * config/avr/libgcc.S : Correct my wrong previous commit.
3995 2006-06-19 Roger Sayle <roger@eyesopen.com>
3998 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3999 have stripped a SUBREG from the shift count, so we may need to
4000 convert_to_mode back to the type's mode before calling make_tree.
4001 Use new_amount instead of amount to avoid expanding a tree twice.
4003 2006-06-19 Richard Guenther <rguenther@suse.de>
4006 * fold-const.c (operand_equal_p): Check if the argument types
4007 have the same precision before stripping NOPs.
4009 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4011 Fix PR tree-optimization/27341
4012 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4014 * tree-complex.c (pass_lower_complex): Update SMT usage.
4016 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4018 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4019 Add a new alternative to the constraint strings. Add move of
4020 operand 1 to 3 to the splitter definition.
4021 ("doloop_si_long"): Second contraint alternative removed.
4023 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4025 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4026 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4028 (AVR_HAVE_MOVW) Define.
4029 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4030 (ASM_SPEC): Add avr25.
4031 (LINK_SPEC): Add avr25.
4032 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4033 (base_arch_s): Add new member 'have_movw_lpmx'.
4034 (avr_arch_types): Init 'have_movw_lpmx'.
4035 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4036 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4037 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4038 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4039 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4041 (avr_file_start): Do not output '.arh' derective.
4042 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4043 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4044 * config/avr/avr.md (mcu_enhanced): Delete.
4045 (mcu_have_movw): Define.
4046 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4047 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4048 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4049 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4050 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4051 attiny861 and at86rf401 devices.
4053 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4055 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4058 2006-06-17 Karl Berry <karl@gnu.org>
4060 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4061 doc/gccint.texi, doc/install.texi (@dircategory): Use
4062 "Software development" instead of "Programming", following
4063 the Free Software Directory.
4065 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4067 * config/i386/i386.c (legitimate_tls_address)
4068 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4069 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4070 (*tls_dynamic_gnu2_combine_64): Likewise.
4072 2006-06-16 Richard Guenther <rguenther@suse.de>
4075 * fold-const.c (negate_expr_p): Do not introduce undefined
4076 overflow in negating INTEGER_CSTs.
4077 (fold_negate_expr): Rename from negate_expr. Revert last
4078 change for folding BIT_NOT_EXPR. Change semantics to
4079 return NULL_TREE for non-simplified negations. Do not
4080 strip type conversions and unify type handling.
4081 (negate_expr): New function, wrap around fold_negate_expr
4082 but ensure building a tree always. Strip type conversions
4083 here, fold to result type.
4084 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4086 2006-06-16 Roger Sayle <roger@eyesopen.com>
4089 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4090 that (would) return their results in stack registers.
4092 2006-06-16 Michael Matz <matz@suse.de>
4093 Richard Guenther <rguenther@suse.de>
4095 * fold-const.c (fold_truthop): Only return new tree node if
4096 we canonicalized something.
4098 2006-06-16 Richard Guenther <rguenther@suse.de>
4100 * function.h (enum function_frequency): Move declaration
4101 out of struct function.
4102 (struct function): Move bool fields and the enum to the bitfield
4103 section. Reorder elements to avoid padding. Remove unused
4104 fields left over from the RTL inliner removal.
4105 * function.c (free_after_compilation): Do not zero removed fields.
4106 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4107 (ipa-type-escape.o): Likewise.
4109 2006-06-16 Richard Guenther <rguenther@suse.de>
4111 * cgraph.h (struct cgraph_local_info): Turn bool elements
4113 (struct cgraph_node): Likewise.
4114 (struct cgraph_varpool_node): Likewise.
4116 2006-06-15 Richard Guenther <rguenther@suse.de>
4118 * fold-const.c (fold_truth_not_expr): Rename from
4119 invert_truthvalue. Give it fold_* semantics to avoid
4121 (invert_truthvalue): New function. Wrapper around
4122 fold_truth_not_expr.
4123 (optimize_minmax_comparison): Avoid creating garbage.
4124 (fold_unary): Use fold_truth_not_expr for folding
4126 (fold_ternary): Replace uses of invert_truthvalue with
4127 fold_truth_not_expr where applicable.
4128 * tree.h (fold_truth_not_expr): Prototype.
4130 2006-06-16 Richard Guenther <rguenther@suse.de>
4132 PR tree-optimization/27781
4133 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4134 * ipa-pure-const.c (target.h): Include.
4135 (analyze_function): Do not analyze functions that do not
4138 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4141 * tree-dfa.c (referenced_vars_dup_list): Remove.
4142 (find_referenced_vars): Remove assert.
4143 (referenced_var_check_and_insert): Replace dup list with assert.
4144 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4145 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4147 2006-06-15 Richard Guenther <rguenther@suse.de>
4149 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4150 extra unused identifiers if not dumping.
4151 (create_variable_info_for): Likewise.
4153 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4155 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4156 (derive_constant_upper_bound): Derive more precise upper bound in
4157 common cases. Return type changed to double_int.
4158 (record_estimate): Reflect the changed return type of
4159 derive_constant_upper_bound.
4160 * double-int.c (double_int_zext, double_int_sext): Fix.
4162 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4164 * configure.ac (CFLAGS): Get them from the toplevel or from the
4165 configure invocation.
4166 * configure: Regenerate.
4167 * Makefile.in (CFLAGS): Substitute value provided by configure.
4169 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4172 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4173 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4174 rather than calling add_stmt on it.
4175 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4177 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4180 * reload1.c (reload): Remove registers returned by update_eliminables
4181 from used_spill_regs.
4183 2006-06-13 DJ Delorie <dj@redhat.com>
4185 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4187 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4189 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4190 html__strip_dir, html__mkdir_p. Enhance install-html target.
4191 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4192 * configure: Regenerate.
4194 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4196 * fold-const.c (fold_cond_expr_with_comparison): Check for
4197 Objective-C++ as language in deciding COND_EXPR transformation.
4199 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4202 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4203 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4204 * config/sh/lib1funcs.h (SL, SL1): Define.
4205 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4206 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4207 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4208 (OBJS_Os_4_200): New variable.
4209 ($(T)libgcc-Os-4-200.a): Use it.
4210 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4211 when dividing 1 and/or by 0.
4213 2006-06-13 Roger Sayle <roger@eyesopen.com>
4215 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4216 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4217 * configure: Regenerate.
4219 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4221 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4222 for real instruction.
4224 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4227 * haifa-sched.c (check_cfg): Handle special case.
4229 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4232 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4233 Add debug_info parameter. Chain the vars to the BLOCK instead
4234 of the BIND_EXPR if debug info are requested for them.
4235 (pop_gimplify_context): Adjust for above change.
4236 (gimple_add_tmp_var): Likewise.
4237 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4239 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4240 (convert_local_reference): Likewise.
4241 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4242 (finalize_nesting_tree_1): Request that debug info be emitted
4243 for debug_var_chain.
4245 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4247 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4248 for PR target/27863.
4250 2006-06-13 Richard Guenther <rguenther@suse.de>
4253 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4255 2006-06-13 Richard Guenther <rguenther@suse.de>
4257 PR tree-optimization/27830
4258 * tree-inline.c (copy_body_r): For copying the operand
4259 of an ADDR_EXPR make sure to fold &* afterwards.
4261 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4263 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4264 lvalues in the fb_none case with side-effects.
4266 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4268 * tree-flow.h: Remove the prototype for
4269 compute_phi_arg_on_exit.
4270 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4271 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4274 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4276 * builtins.c (expand_builtin_return_addr): Only use
4277 frame_pointer_rtx when count == 0 and we are expanding
4278 __builtin_return_address.
4280 2006-06-12 Fred Fish <fnf@specifix.com>
4282 * config/mips/mips.c (mips_file_start): Create special section
4283 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4285 2006-06-11 Eric Christopher <echristo@apple.com>
4288 * stor-layout.c (place_field): Remove check for
4289 remaining_in_alignment when aligning at the end of a run.
4291 2006-06-11 Eric Christopher <echristo@apple.com>
4294 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4297 2006-06-11 Roger Sayle <roger@eyesopen.com>
4300 Revert incorrect fix for PR target/27158
4301 2006-05-08 Roger Sayle <roger@eyesopen.com>
4302 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4303 of a reg_equiv_constant if the result is a legitimate constant.
4305 2006-06-11 Roger Sayle <roger@eyesopen.com>
4308 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4309 extract a CONST_VECTOR element and interpret it as an integer.
4310 (vspltis_constant): Use const_vector_elt_as_int instead of the
4311 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4312 * config/rs6000/predicates.md (easy_vector_const): Consider
4313 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4315 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4318 * stor-layout.c (update_alignment_for_field): Don't add extra
4319 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4322 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4324 * config/mips/t-rtems: Add EL/EB multilib variants.
4326 2006-06-09 Mike Stump <mrs@apple.com>
4328 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4330 2006-06-09 David Daney <ddaney@avtrex.com>
4332 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4334 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4336 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4338 2006-06-09 Richard Guenther <rguenther@suse.de>
4340 PR tree-optimization/26998
4341 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4342 of signed types, only TYPE_MIN_VALUE is special, but for both,
4343 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4344 in this case, as is -fwrapv.
4346 2006-06-08 Mike Stump <mrs@apple.com>
4349 * config/darwin.c (darwin_asm_output_anchor): Disable
4350 -fsection-anchors on darwin for now.
4351 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4352 * rs6000/rs6000.c (optimization_options): Likewise.
4354 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4357 * config/i386/i386.c (classify_argument): Skip fields with invalid
4360 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4362 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4363 (cse_insn): Likewise for the stack_pointer_rtx.
4365 2006-06-08 Roger Sayle <roger@eyesopen.com>
4367 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4368 conditions from floating point comparisons.
4370 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4373 * expmed.c (struct alg_hash_entry): Fix type of field T
4374 to match synth_mult argument.
4375 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4377 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4380 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4383 2006-06-08 Richard Guenther <rguenther@suse.de>
4386 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4387 only, if overflow is defined and not trapping.
4388 (negate_expr): Likewise.
4390 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4392 PR tree-optimization/27872
4393 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4394 flag on the new exit edge of the unrolled loop.
4396 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4398 PR rtl-optimization/26449
4399 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4401 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4404 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4405 referenced_variables with matching DECL_UID's.
4406 (find_referenced_vars): Make sure duplicate list is empty to start.
4407 (referenced_var_p): Remove.
4408 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4409 Check if var is in the list, and add if needed. Update the duplicate
4410 list if a different var is in the list with the same DECL_UID.
4411 (add_referenced_var): Call routine to check and insert.
4412 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4413 * tree-flow.h (referenced_vars_dup_list): External declaration.
4415 2006-06-07 Fred Fish <fnf@specifix.com>
4417 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4420 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4423 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4424 the imaginary and real parts of a clobbered register.
4425 Emit insn to set the imaginary part.
4427 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4429 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4430 in lieu of unwind-dw2-fde.c.
4432 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4434 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4436 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4439 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4440 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4441 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4442 V4SImode temporaries and operations instead.
4444 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4446 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4449 2006-06-06 Mike Stump <mrs@apple.com>
4451 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4452 installing during build.
4454 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4456 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4458 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4459 * config/ia64/ia64.c (params.h): New header.
4460 (ia64_optimization_options): New function to adjust parameters.
4461 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4462 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4463 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4465 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4467 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4469 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4472 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4474 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4475 Victor Kaplansky <victork@il.ibm.com>
4477 PR tree-optimization/26360
4478 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4481 2006-06-04 Roger Sayle <roger@eyesopen.com>
4482 Andrew Pinski <pinskia@physics.uc.edu>
4485 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4486 for LABEL_DECL before calling DECL_WEAK.
4489 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4490 LABEL_DECL and PARM_DECL.
4492 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4496 * c-decl.c (grokdeclarator): Disallow variably modified types at
4497 file scope. Avoid marking shared array type of constant size as
4500 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4503 * c-common.c (fold_offsetof_1): Handle static members.
4505 2006-06-04 Eric Christopher <echristo@apple.com>
4507 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4508 (debug_rli): Output value for remaining_in_alignment.
4509 (update_alignment_for_field): Unconditionalize
4510 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4511 extra alignment code.
4512 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4513 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4514 * tree.h (record_layout_info_s): Remove prev_packed.
4515 * doc/extend.texi (ms_struct): Add documentation of format.
4517 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4519 * tree.h: Declare folding_initializer.
4520 * builtins.c (fold_builtin_constant_p): Give definite answer
4521 if folding inside an initializer.
4522 * fold-const.c: Define folding_initializer.
4523 (START_FOLD_INIT): Save and then set folding_initializer.
4524 (END_FOLD_INIT): Restore folding_initializer.
4526 2006-06-04 Richard Guenther <rguenther@suse.de>
4528 PR tree-optimization/27039
4529 * fold-const.c (fold_comparison): Handle pointer comparison
4530 again for all comparison codes. Compare offsets in signed
4532 (fold_binary): Move code from here.
4534 2006-06-03 Roger Sayle <roger@eyesopen.com>
4537 * config/i386/i386.c (construct_container): Split static issued_error
4538 flag into issued_sse_arg_error, issued_sse_ret_error and
4539 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4540 requires the use of x87 registers and the user explicitly
4541 specified the -mno-80387 command line option.
4543 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4545 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4546 HAVE_DECL_SIGALTSTACK.
4548 (segv_handler): Use MC_FLD.
4549 * configure.ac: Check for a sigaltstack declaration.
4550 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4551 * configure: Regenerate.
4552 * config.in: Regenerate.
4554 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4557 * Makefile.in (stmp-fixinc): Fix typo.
4559 2006-06-02 Roger Sayle <roger@eyesopen.com>
4561 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4562 are type correct. Clean-up.
4563 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4564 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4566 2006-06-01 DJ Delorie <dj@redhat.com>
4568 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4569 shift, as we've disabled the "switch" insn that needs it.
4571 2006-06-01 Per Bothner <bothner@bothner.com>
4573 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4574 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4575 * c-ppoutput.c (cb_define): Don't increment line 0.
4577 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4579 * doc/invoke.texi: Add cpu_type power6.
4580 * config.gcc: Add cpu_type power6.
4581 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4582 to power5+ with Altivec.
4583 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4584 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4586 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4588 * config/avr/avr.h (SET_ASM_OP): Define.
4590 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4592 * config/bfin/bfin.c: Fix comment typos.
4594 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4597 * doc/install.texi: Document --enable-bootstrap and
4598 --disable-bootstrap.
4600 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4602 * doc/install.texi: Document that InfoZIP can replace jar.
4604 2006-05-31 Roger Sayle <roger@eyesopen.com>
4606 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4607 isn't available, directly generate the simpler x87 patterns without
4608 the (use (const_int 0)).
4609 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4610 implementation isn't available.
4611 (*negdf2_1): Likewise.
4612 (*negxf2_1): XF mode negation is always done using the x87.
4613 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4615 2006-05-31 Roger Sayle <roger@eyesopen.com>
4617 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4618 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4620 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4622 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4624 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4625 * config/bfin/bfin.c (basic-block.h): Include.
4626 (struct machine_function): New.
4627 (bfin_init_machine_status): New.
4628 (override_options): Initialize init_machine_status.
4629 (bfin_hardware_loop): New.
4630 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4631 (DEF_VEC_P (loop_info)): New.
4632 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4633 (struct loop_info): New.
4634 (loop_info): New typedef.
4635 (struct loop_work): New.
4636 (loop_work): New typedef.
4637 (DEF_VEC_O (loop_work)): New.
4638 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4639 (bfin_dump_loops): New.
4640 (bfin_bb_in_loop): New.
4641 (bfin_scan_loop): New.
4642 (bfin_optimize_loop): New.
4643 (bfin_reorg_loops): New.
4644 (bfin_reorg): Use bfin_reorg_loops.
4645 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4647 (I_REGNO_P): Simplify.
4648 (DP_REGNO_P, DPREG_P): New macros.
4649 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4650 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4651 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4652 Add LT_REGS, LC_REGS, LB_REGS.
4653 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4655 (REGNO_REG_CLASS): Deal with loop registers.
4656 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4658 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4659 New constants for loop registers.
4660 (UNSPEC_LSETUP_END): New.
4661 (seq_insns): New define_attr. Set it for appropriate insns.
4662 (movsi_insn): Add alternatives for move from/to
4663 loop count registers.
4664 (doloop_end): New define_expand.
4665 (loop_end): New define_insn.
4666 (define_split for bad doloop_end): New.
4667 (lsetup_with_autoinit): New define_insn.
4668 (lsetup_without_autoinit): New define_insn.
4669 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4670 * config/bfin/predicates.md (lc_register_operand): New.
4671 (lt_register_operand): New.
4672 (lb_register_operand): New.
4673 (nondp_register_operand): New.
4674 (nondp_reg_or_memory_operand): New.
4675 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4677 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4679 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4680 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4682 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4684 * Makefile.in (CATALOGS): Add po/ prefix.
4685 * configure: Regenerated.
4687 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4690 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4691 a shift operand before calling shift_op. Avoid redundant call of
4694 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4695 DJ Delorie <dj@redhat.com>
4697 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4698 we're inserting is a singlt-bit constant.
4700 2006-05-30 Roger Sayle <roger@eyesopen.com>
4702 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4703 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4705 2006-05-30 Roger Sayle <roger@eyesopen.com>
4707 PR tree-optimization/23452
4708 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4709 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4710 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4711 complex values and with -ffast-math for FP complex values.
4713 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4715 * c-common.h: Remove the prototype for yyparse.
4716 * rtl.h: Remove the prototype for init_loop.
4718 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4720 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4723 2006-05-30 Roger Sayle <roger@eyesopen.com>
4725 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4727 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4728 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4730 2006-05-30 Dirk Mueller <dmueller@suse.de>
4733 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4734 for CONSTANT_CLASS_P expresisons.
4736 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4739 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4741 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4743 PR tree-optimization/27779
4744 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4745 initial_condition instead of CHREC_LEFT.
4747 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4749 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4750 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4751 Make prototypes ISO C90.
4753 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4754 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4756 * see.c (see_analyze_one_def): Correct check.
4757 (see_get_extension_data): Check if extension is parallel.
4758 (see_get_extension_reg): Likewise.
4760 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4763 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4764 into register for (code == GTU).
4766 2006-05-29 Roger Sayle <roger@eyesopen.com>
4768 PR tree-optimization/24964
4769 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4770 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4771 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4772 abs(x)*abs(x) as x*x for scalar floating point modes.
4774 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4777 * lambda-code.c (perfect_nestify): Don't copy statements
4778 in the inner loop: move them to the inner loop header.
4780 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4783 * c-tree.texi: Document OpenMP directives and clauses.
4785 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4787 * varasm.c (globalize_decl): Fix indentation.
4789 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4792 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4793 pass_fre, pass_store_ccp, pass_copy_prop,
4794 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4795 pass_return_slot, pass_object_size, pass_lim,
4796 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4797 pass_loop_prefetch and pass_stdarg.
4799 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4801 * config/bfin/bfin.opt (mfdpic): New option.
4802 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4803 (EXTRA_MULTILIB_PARTS): Likewise.
4804 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4805 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4807 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4808 (CRT_CALL_STATIC_FUNCTION): New.
4809 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4811 (CRT_CALL_STATIC_FUNCTION): New.
4812 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4814 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4815 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4816 (initialize_trampoline): Changed to handle FD-PIC code generation.
4817 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4818 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4819 (override_options): Disallow -mid-shared-library -mfdpic combination.
4820 Can't do unaligned ops if FD-PIC.
4821 Turn off flag_pic if trying to generate non-id-shared-library
4822 non-fdpic code, since it's not supported.
4823 (bfin_assemble_integer): New function.
4824 (TARGET_ASM_INTEGER): Define.
4825 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4827 * config/bfin/crtn.s: Restore them.
4828 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4830 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4831 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4832 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4833 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4834 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4836 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4837 FDPIC_REGS and FDPIC_FPTR_REGS.
4838 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4839 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4840 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4841 (load_funcdescsi): New pattern.
4842 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4843 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4844 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4846 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4848 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4851 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4853 * tree-flow.h: Remove the prototype for add_type_alias.
4854 * tree-ssa-alias.c (add_type_alias): Remove.
4856 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4858 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4859 config/fr30/fr30.md, config/i386/i386-interix.h,
4860 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4861 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4862 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4863 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4864 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4865 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4866 Follow spelling conventions.
4867 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4868 Follow spelling conventions.
4870 2006-05-27 Richard Guenther <rguenther@suse.de>
4873 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4874 to produce a constant of value 1 of generic type.
4876 2006-05-27 Dirk Mueller <dmueller@suse.de>
4878 * cgraphunit.c (decide_is_function_needed): Fix wrong
4881 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4883 PR rtl-optimization/27661
4884 * reload.c (find_reloads): When reloading a VOIDmode constant
4885 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4886 use Pmode as mode of the reload register.
4888 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4890 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4891 is enabled at -O and above.
4893 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4896 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4899 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4902 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4903 for anonymous variables explicitly declared by front ends.
4905 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4907 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4908 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4909 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4910 ref-all pointers, run a finalization pass for them.
4911 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4912 (finalize_ref_all_pointers): New function.
4913 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4914 regular pointer type to a ref-all pointer type.
4915 (get_tmt_for): Return the special memory tag for ref-all pointers.
4917 2006-05-25 Richard Guenther <rguenther@suse.de>
4920 * fold-const.c (fold_binary): Do not look at the stripped
4921 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4923 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4925 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4926 for LT and GT if the computed range is effectively empty.
4928 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4931 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4932 mips_quad_format formats instead of ieee_single_format,
4933 ieee_double_format and ieee_quad_format formats, respectively.
4935 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4937 PR tree-optimization/27639
4938 PR tree-optimization/26719
4939 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4940 call to scev_probably_wraps_p.
4941 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4942 used_in_pointer_arithmetic_p, convert_step): Removed.
4943 (nowrap_type_p): New function.
4944 (scev_probably_wraps_p): Rewritten.
4945 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4946 chrec_convert if chrec_convert_aggressive might have been used.
4947 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4948 scev_direction): New functions.
4949 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4950 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4951 instead of convert_step.
4952 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4953 (convert_step): Declaration removed.
4954 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4956 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4958 * df-core.c: Added to header comments.
4959 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4960 df_ur_bb_info, df_urec_bb_info): Added comments.
4961 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4962 urec, ri problems): Fixed header comments.
4963 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4964 code from df_rd_transfer_function.
4966 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4968 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4969 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4970 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4972 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4974 * expr.c (undefined_operand_subword_p): New.
4975 (emit_move_multi_word): Do not generate move from undefined bits
4976 of a paradoxical subreg.
4978 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4980 PR rtl-optimization/27736
4981 * combine.c (replaced_rhs_value): New variable.
4982 (combine_instructions): Set it.
4983 (distribute_notes): When distributing a note in replaced_rhs_insn,
4984 check whether the value was used in replaced_rhs_value.
4986 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4989 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4990 add_referenced_var instead of add_referenced_tmp_var.
4991 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4992 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4994 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4995 tree_optimize_tail_calls_1): Use add_referenced_var.
4996 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4997 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4998 Use add_referenced_var.
4999 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5000 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5001 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5002 Use add_referenced_var.
5003 * tree-dfa.c (struct walk_state): Remove.
5004 (find_referenced_vars): Remove walk state and vars_found hash table.
5005 (make_rename_temp): Use add_referenced_var.
5006 (find_vars_r): Pass less parameters to add_referenced_var.
5007 (referenced_var_p): New. Is var in referenced_var hash table.
5008 (referenced_var_insert): Assert var isn't already in hash table.
5009 (add_referenced_var): Don't need walk_state parameter. Add var if it
5010 isn't already in the hash table.
5011 (add_referenced_tmp_var): Remove.
5012 (find_new_referenced_vars_1): Use add_referenced_var.
5013 * tree-ssa-pre.c (create_expression_by_pieces,
5014 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5015 Use add_referenced_var.
5016 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5017 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5018 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5020 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5021 vect_create_data_ref_ptr, vect_create_destination_var,
5022 vect_init_vector, vect_build_loop_niters,
5023 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5024 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5025 Use add_referenced_var.
5026 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5027 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5028 (add_referenced_var): Add prototype.
5029 * tree-ssa-structalias.c (get_constraint_for,
5030 intra_create_variable_infos): Use add_referenced_var.
5032 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5034 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5035 big-endian paradoxical subregs.
5036 * var-tracking.c (struct micro_operation_def): Document that,
5037 for modify micro operations, insn is the subsequent instruction.
5038 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5039 (var_reg_set, var_mem_set): ... new functions.
5040 (add_stores): Record subsequent insn.
5041 (compute_bb_dataflow): Use new functions for MO_USE.
5042 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5043 notes after the insn, and modify notes before the insn known
5044 to be the subsequent one.
5045 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5047 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5050 * config/i386/i386.c (ix86_expand_builtin): Use
5051 gen_sse3_monitor64 for TARGET_64BIT.
5053 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5055 PR rtl-optimization/26375
5056 PR rtl-optimization/26855
5057 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5059 (df_ru_bb_local_compute): Reversed statements and removed bogus
5060 comment explaining why they should be in wrong order.
5061 (df_ru_dump, df_rd_dump): Enhanced debug info.
5062 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5064 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5065 reaching uses and fixed space problem.
5067 2006-05-23 Jan Hubicka <jh@suse.cz>
5069 * cgraphunit.c (decide_is_function_needed): Also nested functions
5070 and functions declared inline can be optimized out at -O0.
5072 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5074 * doc/install.texi (Configuration): Remove reference to CrossGCC
5078 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5081 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5082 ix86_compare_emitted is non-NULL.
5084 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5087 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5090 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5092 PR rtl-optimization/25514
5093 * combine.c (replaced_rhs_insn): New variable.
5094 (combine_instructions): Set replaced_rhs_insn when trying to replace
5095 a SET_SRC with a REG_EQUAL note.
5096 (distribute_notes): Use replaced_rhs_insn when determining the live
5097 range of a REG_DEAD register.
5099 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5100 Anatoly Sokolov <aesok@post.ru>
5102 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5103 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5104 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5105 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5106 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5107 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5108 at90usb647, at90usb1286 and at90usb1287 devices.
5109 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5110 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5112 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5114 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5116 2006-05-22 Richard Guenther <rguenther@suse.de>
5119 2006-01-31 Richard Guenther <rguenther@suse.de>
5120 Paolo Bonzini <bonzini@gnu.org>
5122 * doc/install.texi (--disable-libgcc-math): Document.
5124 2006-05-22 Richard Guenther <rguenther@suse.de>
5127 2006-01-31 Richard Guenther <rguenther@suse.de>
5129 * doc/invoke.texi (-msselibm): Document.
5130 * target.h (expand_library_builtin): New target hook.
5131 * builtins.c (expand_builtin): Use expand_library_builtin.
5132 (default_expand_library_builtin): New function.
5133 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5134 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5135 (link_gcc_math_spec): Declare.
5136 (static_specs): Add link_gcc_math_spec.
5137 * expr.h (default_expand_library_builtin): Declare.
5138 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5139 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5140 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5141 * config/i386/i386.opt (msselibm): New target option.
5142 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5143 (ix86_init_sse_abi_builtins): New function.
5144 (ix86_expand_library_builtin): Likewise.
5145 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5146 (override_options): Handle error conditions wrt -msselibm.
5147 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5148 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5149 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5152 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5155 * c-common.c (self_promoting_args_p): Skip erroneous args.
5158 * c-decl.c (finish_struct): Skip erroneous fields.
5160 2006-05-22 Nick Clifton <nickc@redhat.com>
5162 * config/cris/cris.opt (march): Remove VarExists attribute.
5163 (max-stackframe=): Likewise.
5165 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5167 * doc/rtl.texi: Fix a typo.
5168 * see.c: Fix comment typos.
5170 * tree-ssa-structalias.h (alias_info): Remove num_references.
5172 2006-05-21 Mike Stump <mrs@apple.com>
5174 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5176 (darwin_pragma_options): Use BAD instead.
5177 (darwin_pragma_unused): Likewise.
5178 (darwin_pragma_ms_struct): Likewise.
5180 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5182 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5184 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5186 PR rtl-optimization/27671
5187 * simplify-rtx.c (simplify_relational_operation_1): Fix
5188 simplifications of (eq/ne (xor x y) y) and
5189 (eq/ne (xor x y) x).
5191 PR tree-optimization/26622.
5192 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5195 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5197 * tree-cfg.c: Prune whitespace.
5198 (debug_tree_cfg): Point to correct header containing the
5201 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5204 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5206 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5209 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5210 or sorry count is non zero.
5212 2006-05-20 Andreas Schwab <schwab@suse.de>
5214 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5216 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5217 Kenneth Zadeck <zadeck@naturalbridge.com>
5219 PR rtl-optimization/26855
5221 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5223 (df_scan_alloc): Added code to properly handle multiword hard
5224 registers and add all_blocks parameter.
5225 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5226 code to properly handle multiword hard registers.
5227 (df_rescan_blocks): Added code to remove deleted blocks from
5229 (df_ref_create_structure, df_ref_record): Added code to properly
5231 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5232 and set DF_REF_PARTIAL.
5233 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5234 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5235 (df_scan_add_problem): Added flags parameter.
5236 (df_ref_create_structure): Changed switching structure.
5237 (df_bb_refs_record): Fixed case where duplicate artificial refs
5238 were created. Changed location of flags.
5239 (df_record_entry_block_defs): Added code to make stack pointer
5240 live in entry block. Refined cases where frame pointer is needed.
5241 Changed location of flags.
5242 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5243 (df_set_state): Removed function.
5244 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5245 df_insn_create_insn_record, df_insn_refs_delete,
5246 df_ref_create_structure): Formatting changes.
5247 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5248 df_delete_basic_block): New function.
5249 (df_init): Changed location of flags.
5250 (df_add_problem): Added flags parameter and the way flags are
5252 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5253 debug_df_chain): Improved debugging output.
5254 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5255 (df_refs_chain_dump): Removed df parameter.
5256 (df_iterative_dataflow): Added consistency check.
5257 (df_prune_to_subcfg): Made public.
5258 (df_analyze_problem): Added blocks_to_init parameter and made
5260 (df_ref_record, df_bb_refs_record, df_mark_reg,
5261 df_record_exit_block_uses): Whitespace changes.
5262 (df_dump): Whitespace changes.
5263 * df.h: Some reordering to remove forward references.
5264 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5265 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5266 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5267 (dataflow.flags): New field.
5268 (df.flag): Deleted field.
5269 (df_alloc_function): Added additional bitmap parameter.
5270 (df_dependent_problem_function): New type.
5271 (df_problem.changeable_flags): New field.
5272 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5273 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5274 (df_mw_hardreg): New struct.
5275 (DF_INSN_UID_MWS): New macro.
5276 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5278 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5279 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5280 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5281 (df_set_state): Removed function.
5282 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5283 * df-problems.c (df_chain_dump): Removed df parameter.
5284 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5285 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5287 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5288 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5289 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5290 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5291 DF_REF_MUST_CLOBBER cases.
5292 (df_ru_bb_local_compute_process_def,
5293 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5294 df_lr_bb_local_compute, df_ur_bb_local_compute,
5295 df_chain_create_bb): Made subreg aware.
5296 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5297 df_lr_bb_local_compute, df_lr_bb_local_compute,
5298 df_chain_create_bb): Cleanup to use proper macros.
5299 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5300 code to fixup bitvectors.
5301 (df_ri_alloc): Cleared lifetime.
5302 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5303 df_create_unused_note): New function.
5304 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5305 REG_DEAD and REG_UNUSED notes as well as register information.
5306 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5307 df_chains_dump): Fixed crash if problem was never run.
5308 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5309 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5310 df_ri_add_problem): Processes flags in uniform manner.
5311 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5312 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5313 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5314 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5315 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5316 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5317 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5318 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5319 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5320 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5321 * see.c (see_initialize_data): Ditto.
5322 * final.c (rest_of_clean_state) Added regstack_completed.
5323 * rtl.h (regstack_completed): Ditto.
5324 * reg-stack.c (regstack_completed): Ditto.
5326 2006-05-19 Mike Stump <mrs@apple.com>
5328 * c-tree.h (default_conversion): Remove.
5329 * c-common.h (default_conversion): Add.
5331 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5333 * tree-vrp.c (valid_value_p): New function.
5334 (adjust_range_with_scev): Fail if the value of bound is not
5337 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5339 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5340 (mips_fallback_frame_state): Use syscall numbers to determine
5341 the appropriate li instruction for the current ABI. Only use
5342 __NR_sigreturn for o32.
5344 2006-05-19 Nicolas Setton <setton@adacore.com>
5346 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5347 * langhooks.c (lhd_dwarf_name): New function.
5348 * langhooks-def.h (lhd_dwarf_name): Declare.
5349 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5350 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5351 * ada/misc.c (gnat_dwarf_name): New function.
5352 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5354 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5356 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5358 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5359 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5360 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5361 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5362 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5363 determine the size of Wtype, etc.
5364 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5365 (swfloatfuncs): New variable.
5366 (dwfloatfuncs): Likewise.
5367 (lib2funcs): Remove floating-point conversion functions from
5368 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5369 the set of conversion routines needed. Allow entries to specify
5370 an object name, filename and word size. Update users accordingly.
5371 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5372 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5376 2006-02-08 Roger Sayle <roger@eyesopen.com>
5379 * config/fixtfdi.c: New libgcc source file.
5380 * config/fixunstfdi.c: New source file.
5381 * config/floatditf.c: New source file.
5382 * config/floatunditf.c: New souce file.
5383 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5384 files above instead of config/mips/_tilib.c.
5385 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5387 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5389 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5390 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5392 2006-05-18 Mike Stump <mrs@apple.com>
5394 Fix up vla, vm and [*] sematics.
5400 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5401 (c_vla_unspec_p): Add.
5402 (c_vla_type_p): Add.
5403 * c-decl.c (struct c_scope): Add had_vla_unspec.
5404 (build_array_declarator): Add support for [*].
5405 (grokdeclarator): Likewise.
5406 (grokparms): Likewise.
5407 (get_parm_info): Likewise.
5408 * c-objc-common.c (c_vla_unspec_p): Likewise.
5409 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5410 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5411 typeof when argument is a variably modified type not inside sizeof or alignof.
5412 (c_parser_direct_declarator_inner): Propagate errors.
5413 (c_parser_sizeof_expression): Add support for [*].
5414 (c_parser_parms_declarator): Initialize had_vla_unspec.
5415 (c_parser_parms_list_declarator): Likewise.
5416 * c-typeck.c (c_vla_type_p): Add.
5417 (composite_type): Add support for vla compositing.
5418 (comptypes_internal): Add support for vla compatibility.
5419 (c_expr_sizeof_expr): Evaluate vla arguments.
5420 * tree.c (variably_modified_type_p): Update comment for [*].
5422 2006-05-18 Michael Matz <matz@suse.de>
5425 * config.host: Make assignments to host_xmake_file cumulative.
5426 * config.host (*-darwin*): Test $host, not $target.
5428 2006-05-12 Stuart Hastings <stuart@apple.com>
5430 * config/i386/i386.opt (-mstackrealign): New flag.
5431 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5432 (ix86_handle_cconv_attribute): Emit error when
5433 force_align_arg_pointer attribute collides with too many regparms.
5434 (ix86_function_regparm): Limit regparms when used with
5435 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5436 Support stack-realigning prologue in non-main functions. Emit
5437 warning for nested functions under -mstackrealign, emit error for
5438 nested functions with force_align_arg_pointer attribute.
5439 * doc/extend.texi (force_align_arg_pointer): Document it.
5440 * doc/invoke.texi (-mstackrealign): Document it.
5442 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5444 PR rtl-optimization/27477
5445 * combine.c (try_combine): Don't split a parallel consisting
5446 of two sets into two individual sets if both sets reference
5449 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5451 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5452 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5454 * doc/options.texi (VarExists): Updated.
5456 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5458 * unwind-dw2.c: Add declarations for uw_update_context and
5460 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5461 detected, advance frame state and context once to skip over stub.
5463 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5467 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5468 Call rewrite_into_loop_closed_ssa only when something changed.
5469 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5470 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5471 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5472 Test for perfect_nest_p here. Fix formating.
5473 (replace_uses_equiv_to_x_with_y): Fix formating.
5474 (stmt_uses_op): Removed.
5475 (can_convert_to_perfect_nest): Removed loopivs parameter.
5476 Complete the test by checking the scalar dependences.
5477 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5480 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5483 From Dan Kegel <dank@kegel.com>:
5484 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5486 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5488 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5489 if the element type is variably modified without recursing.
5491 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5494 * tree-loop-linear.c (try_interchange_loops): Test for
5495 no data dependences.
5497 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5499 PR tree-optimization/27548
5500 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5501 range of ssa names that appear on abnormal edges.
5502 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5503 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5505 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5508 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5510 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5513 * tree.h (OMP_PARALLEL_COMBINED): Define.
5514 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5515 (new_omp_context): Add is_combined_parallel argument.
5516 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5517 new_omp_context caller.
5518 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5519 Adjust gimplify_scan_omp_clauses callers.
5520 (omp_is_private): Issue errors if iteration variable is firstprivate
5521 or reduction in the current context.
5522 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5523 on combined parallel workshare constructs.
5525 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5527 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5528 (gcc-options.o): New rule.
5530 * optc-gen.awk: Protect variables for gcc-options.o with
5531 #ifdef GCC_DRIVER/#endif.
5533 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5535 Fix PR tree-optimization/27373
5536 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5537 (forward_propagate_addr_expr): Update call.
5539 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5541 * doc/options.texi: Move the Negative option.
5543 2006-05-16 Richard Guenther <rguenther@suse.de>
5545 PR tree-optimization/22303
5546 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5548 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5549 ccp_fold did not simplify the statement.
5551 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5554 * Makefile.in (GCC_OBJS): New.
5555 (OBJS-common): Add opts-common.o.
5556 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5557 (cpp$(exeext)): Likewise.
5558 (gcc.o): Also depend on opts.h.
5559 (opts-common.o): New.
5561 * common.opt (gcoff): Add Negative(gdwarf-2).
5562 (gdwarf-2): Add Negative(gstabs).
5563 (gstabs): Add Negative(gstabs+).
5564 (gstabs+): Add Negative(gvms).
5565 (gvms): Add Negative(gxcoff).
5566 (gxcoff): Add Negative(gxcoff+).
5567 (gxcoff+): Add Negative(gcoff).
5568 * config/i386/i386.opt (m32): Add Negative(m64).
5569 (m64): Add Negative(m32).
5571 * doc/options.texi: Document the Negative option.
5573 * gcc.c: Include "opts.h".
5574 (main): Call prune_options after expandargv.
5576 * optc-gen.awk: Generate common declarations for all flag
5577 variables in options.c. Output the neg_index field.
5579 * opts.c (find_opt): Moved to ...
5580 * opts-common.c: Here. New file.
5582 * opts.h (cl_option): Add a neg_index field.
5584 (prune_options): Likewise.
5586 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5589 * omp-low.c (expand_omp_parallel): Don't assert
5590 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5591 instead search for it.
5594 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5597 2006-05-16 Andreas Schwab <schwab@suse.de>
5599 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5602 2006-05-15 Roger Sayle <roger@eyesopen.com>
5605 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5606 integer constants other than zero are only legitimate on TARGET_64BIT.
5607 <CONST_VECTOR> Only zero vectors are legitimate.
5608 (ix86_cannot_force_const_mem): Integral and vector constants can
5609 always be put in the constant pool.
5611 2006-05-16 DJ Delorie <dj@redhat.com>
5613 * crtstuff.c (__dso_handle): Set section from
5614 TARGET_LBIGCC_SDATA_SECTION if defined.
5615 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5616 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5618 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5621 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5624 2006-05-16 Ben Elliston <bje@au.ibm.com>
5626 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5628 2006-05-15 Per Bothner <per@bothner.com>
5630 * tree.c: (last_annotated_node): Use source_locus typedef.
5631 This permits bootstrapping with --enable-mapped-location.
5633 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5635 PR tree-optimization/26830
5636 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5637 (info_for_ssa_name, current_info_for_ssa_name_age,
5638 blocks_to_update): New variables.
5639 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5640 (clear_ssa_name_info, initialize_flags_in_bb,
5641 mark_block_for_update): New functions.
5642 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5643 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5644 prepare_def_site_for): Use mark_block_for_update.
5645 (mark_def_interesting): Assert that the processed block is marked in
5646 blocks_to_update. Do not take blocks argument.
5647 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5649 (rewrite_update_init_block, rewrite_update_stmt): Only process
5650 blocks with statements to rewrite.
5651 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5652 (update_ssa): Initialize and free blocks_to_update. Do not
5653 clear flags on statements. Do not use blocks bitmap.
5654 * tree.h (SSA_NAME_AUX): Removed.
5655 (struct tree_ssa_name): Removed aux field.
5656 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5658 2006-05-15 Richard Guenther <rguenther@suse.de>
5660 PR tree-optimization/27603
5661 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5662 Do computations in original type.
5664 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5666 * see.c: Code style changes such as redundant paranthesis,
5667 redundant intialization of local variables etc.
5668 (see_main): Declared now as static.
5669 * doc/invoke.texi: Update that -fsee is not enabled by
5672 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5674 * omp-low.c (check_omp_nesting_restrictions): New function.
5675 (scan_omp_1): Call it.
5678 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5679 construct, return *VAR.
5681 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5683 PR rtl-optimization/27406
5684 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5687 2006-05-14 Roger Sayle <roger@eyesopen.com>
5689 PR rtl-optimization/27538
5690 * combine.c (expand_compound_operation): Call gen_lowpart
5691 before calling simplify_shift_const.
5693 2006-05-14 Roger Sayle <roger@eyesopen.com>
5695 PR rtl-optimization/22563
5696 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5697 a fixed width bitfield, always force the intermediates into psuedos.
5699 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5702 * mkconfig.sh: Use operator = instead of == for test.
5704 2006-05-13 Nick Clifton <nickc@redhat.com>
5706 * dwarf2out.c (dbx_reg_number): Check return value from
5707 LEAF_REG_REMAP and only use it if it is valid.
5708 (multiple_reg_loc_descriptor): Likewise.
5710 2006-05-13 Richard Guenther <rguenther@suse.de>
5712 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5715 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5717 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5718 information attached to non-INSNs such as NOTEs.
5719 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5721 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5723 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5725 * config/s390/s390.md: Adjust comment describing On constraint.
5727 2006-05-11 Jan Hubicka <jh@suse.cz>
5729 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5730 to be output at -O0.
5732 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5735 * fold-const.c (size_binop): Move sanity check for arguments to
5736 the beginning of the function.
5739 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5742 2006-05-11 Richard Guenther <rguenther@suse.de>
5745 * fold-const.c (fold_unary): Handle intermediate conversion
5746 to a pointer type like intermediate conversion to an integer
5747 type in folding of (T1)(T2)var to var.
5748 Match the code to the comment in the final conversion for
5749 (T1)(T2)var to (T1)var regarding to type precision. Rather
5750 than disallow T1 being of pointer type, assert that both T1
5751 and var are of pointer type or not. Make sure not to fall
5752 over the frontends lazyness wrt array to pointer decay though.
5754 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5756 * arm.c (arm_struct_value_rtx): Delete.
5757 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5758 (arm_init_cumulative_args): Always initialize nregs to zero.
5760 2006-05-10 Richard Guenther <rguenther@suse.de>
5762 PR tree-optimization/27532
5763 * tree-object-size.c (plus_expr_object_size): Fix typo.
5765 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5768 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5769 ashrdi_const, ashrdi3): Use a scratch register.
5771 2006-05-10 Richard Guenther <rguenther@suse.de>
5773 PR tree-optimization/27302
5774 * fold-const.c (operand_equal_p): For two comparisons,
5775 try comparison of one comparison code swapped if that yields
5778 2006-05-10 Ben Elliston <bje@au.ibm.com>
5780 * tree-pretty-print.c (pretty_print_string): No need to handle
5781 '\0' as a special character.
5783 * tree.h: Include "hashtab.h".
5784 (iterative_hash_expr): Use hashval_t in its prototype.
5785 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5787 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5790 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5791 (hppa*64*-*-hpux11*): Ditto.
5792 (hppa[12]*-*-hpux11*): Ditto.
5794 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5797 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5799 2006-05-09 Michael Matz <matz@suse.de>
5801 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5802 host_extra_gcc_objs and host_xmake_file.
5803 (<*-*-linux*>): Don't overwrite host_xmake_file.
5804 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5805 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5806 (host_detect_local_cpu): Declare.
5807 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5808 * config/i386/i386.c (override_options): Handle -mtune=native
5810 * config/i386/x-i386: New file.
5811 * config/i386/driver-i386.c: New file.
5812 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5815 2006-05-09 Dirk Mueller <dmueller@suse.de>
5816 Richard Guenther <rguenther@suse.de>
5819 * fold-const.c (fold_read_from_constant_string): Relax check
5820 for matching types to matching modes.
5822 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5824 PR rtl-optimization/27335
5825 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5828 2006-05-08 Chao-ying Fu <fu@mips.com>
5829 Richard Sandiford <richard@codesourcery.com>
5831 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5832 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5833 * config/mips/mips.md (UNSPEC_SCC): New constant.
5834 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5835 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5836 (mips_emit_compare): Use it.
5837 (mips_expand_vcondv2sf): New function.
5839 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5841 Fix PR tree-optimization/27093
5842 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5843 renaming when they become not-used_alone.
5845 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5847 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5848 relocation and relocation stubs.
5850 2006-05-08 Eric Christopher <echristo@apple.com>
5852 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5855 2006-05-08 Jan Hubicka <jh@suse.cz>
5858 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5859 unused static functions are needed.
5861 2006-05-08 Roger Sayle <roger@eyesopen.com>
5864 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5865 of a reg_equiv_constant if the result is a legitimate constant.
5867 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5870 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5871 standard 80387 constants, raise the cost to prevent
5872 compress_float_constant() to generate load from memory.
5874 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5876 * config/arm/constraints.md (c): Fix a typo.
5878 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5881 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5884 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5886 (_mm_mwait): Likewise.
5888 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5890 (sse3_monitor): Make it 32bit only.
5891 (sse3_monitor64): New. 64bit monitor.
5893 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5896 * config/i386/i386.c (classify_argument): Skip fields with invalid
5899 2006-05-07 Richard Guenther <rguenther@suse.de>
5901 PR tree-optimization/27409
5902 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5903 Do not try to find zero-sized subvars.
5905 2006-05-07 Richard Guenther <rguenther@suse.de>
5907 PR tree-optimization/27136
5908 * tree-ssa-loop-niter.c (get_val_for): Correct function
5909 comment, assert requirements.
5910 (loop_niter_by_eval): Stop processing if the iterated
5911 value did not simplify.
5913 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5915 * opts.c (flag_see): remove its setting at -O3.
5917 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5919 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5920 * arm/constraints.md: New file.
5921 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5922 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5923 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5924 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5925 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5926 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5927 * arm.md: Include constraints.md.
5928 (thumb_movsi_insn): Use satisfies_constraint_J.
5929 (movhi, movqi): Use satisfies_constraint_I.
5931 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5933 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5934 for atmeg a645 device.
5936 2006-05-06 Richard Guenther <rguenther@suse.de>
5938 PR tree-optimization/27151
5939 * tree-vect-transform.c (vectorizable_condition): Punt on
5940 values that have a different type than the condition.
5942 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5945 * c-parser.c (c_parser_cast_expression): Only insert casts into
5946 hash table if pointer.
5947 * function.c (used_types_insert_helper): Rename from
5949 (used_types_insert): Call used_types_insert_helper.
5950 * function.h (used_types_insert): Accept only one argument.
5952 2006-05-05 David Edelsohn <edesohn@gnu.org>
5954 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5955 scratch with output modifier.
5957 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5960 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5961 with output modifier.
5963 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5966 * config/mips/mips.c (mips_symbolic_address_p): Return true
5967 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5968 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5970 2006-05-04 Richard Guenther <rguenther@suse.de>
5972 PR tree-optimization/14287
5973 PR tree-optimization/14844
5974 PR tree-optimization/19792
5975 PR tree-optimization/21608
5976 PR tree-optimization/27090
5977 * tree-ssa-pre.c (try_combine_conversion): New function.
5978 (compute_avail): After constructing the value-handle
5979 expression, use try_combine_conversion to combine NOP_EXPRs
5980 with previous value-handle expressions and use the result if it
5983 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5985 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5987 2006-05-04 Jan Hubicka <jh@suse.cz>
5990 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5992 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5994 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5995 that this only matches CONST_INTs. All users changed to VOIDmode
5998 * config/bfin/bfin.c: Include "optabs.h".
5999 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6001 (enum bfin_builtins): Add a number of fractional and vector builtins.
6002 (bfin_init_builtins): Likewise.
6003 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6004 (safe_vector_operand, bfin_expand_binop_builtin,
6005 bfin_expand_unop_builtin): New functions.
6006 (bfin_expand_builtin): Handle the new builtins.
6007 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6010 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6013 * Makefile.in (OBJS-common): Add see.o.
6014 (see.o): Add dependencies.
6015 * common.opt (fsee): New flag for the see optimization was added.
6016 * opts.c (flag_see): Initialized.
6017 * passes.c (init_optimization_passes, pass_see): New pass.
6018 * rtl.h (see_main): Declaration as extern.
6019 * timevar.def (TV_SEE): New.
6020 * tree-pass.h (pass_see): Declaration as extern.
6021 * invoke.texi (-fsee): Document.
6022 * recog.c (validate_simplify_insn): New function.
6023 * recog.h (validate_simplify_insn): Declaration as extern.
6024 * df-problems.c (df_chain_dump): Check for NULL.
6026 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6027 Daniel Berlin <dberlin@dberlin.org>
6029 * cfgrtl.c (insert_insn_bb_end_new): New function.
6030 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6032 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6034 * df.h (struct web_entry): Moved from web.c.
6035 (union_defs): Declaration as extern.
6036 (unionfind_root): Likewise.
6037 (unionfind_union): Likewise.
6038 * web.c (struct web_entry): Moved to df.h.
6039 (unionfind_root): Remove static declaration.
6040 (unionfind_union): Likewise.
6041 (union_defs): Likewise and generalize to use callback function.
6042 (web_main): Update arguments for union_defs function call.
6044 2006-05-04 Richard Guenther <rguenther@suse.de>
6046 PR tree-optimization/26447
6047 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6048 produce SSA_NAME copies before the store stmt to avoid
6049 breaking exception handling.
6051 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6054 * gimplify.c (omp_is_private): If var is shared in some outer context,
6055 return false instead of true. Stop searching on parallel context
6058 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6061 * coverage.c: Use get_gcov_unsigned_t() instead of
6062 unsigned_type_node all over.
6064 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6066 PR tree-optimization/27381
6067 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6068 maintain the same immediate_use links.
6069 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6070 node rather than segfaulting.
6072 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6075 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6076 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6077 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6079 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6081 Fix PR tree-optimization/26626
6082 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6084 * tree-ssa-operands.c (access_can_touch_variable): Allow
6085 typecasting through union pointers.
6087 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6090 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6091 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6092 to find if var will be a global variable even in the nested context.
6093 (omp_copy_decl): Only check for global variable at the end, it might
6094 be overridden in outer contexts.
6095 (scan_sharing_clauses): For global variables don't create a field.
6096 (lower_rec_input_clauses): Do nothing for global shared variables.
6097 Emit a barrier at the end of ILIST if there were any decls in both
6098 firstprivate and lastprivate clauses.
6099 (lower_send_clauses): Do nothing for global variables except for
6102 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6104 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6105 of the correct signedness is returned.
6107 2006-05-02 Jeff Law <law@redhat.com>
6109 PR tree-optimization/27364
6110 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6111 multiply expressions.
6113 2006-05-02 Tom Tromey <tromey@redhat.com>
6115 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6117 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6120 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6121 -mthumb -fPIC are used.
6123 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6124 Joshua Kinard <kumba@gentoo.org>
6127 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6128 with 64-bit pointers.
6130 2006-05-02 Paul Brook <paul@codesourcery.com>
6132 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6134 (create_fix_barrier): Check that a suitable barrier location is
6136 (arm_reorg): Include ftmp->address in allowable range of addresses.
6138 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6141 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6144 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6147 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6148 around RESULT_DECL for result passed by reference.
6149 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6150 * omp-low.c (use_pointer_for_field): Don't look at
6151 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6152 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6153 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6154 time or var for passing by reference for
6155 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6156 TREE_ADDRESSABLE variables when passing by reference.
6158 * omp-low.c (dump_omp_region): Fix output formatting.
6161 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6162 (expand_omp_parallel): Likewise.
6163 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6166 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6167 on statement list containing also constructors and destructors.
6168 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6171 * except.c (duplicate_eh_regions): Fix clearing of
6172 cfun->eh->region_array entries.
6174 2006-05-01 DJ Delorie <dj@redhat.com>
6176 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6178 (gcc_cv_objdump): Likewise.
6179 * configure: Regenerated.
6181 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6184 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6185 templates for case 3 and 4.
6187 2006-05-01 DJ Delorie <dj@redhat.com>
6189 * vec.c: Include bconfig.h when appropriate.
6190 * Makefile.in (build/vec.o): Adjust dependencies.
6191 * mkconfig.sh: Make sure config.h isn't used for build machine
6194 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6196 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6198 (mark_phi_for_rewrite): New function.
6199 (insert_phi_nodes_for, mark_use_interesting): Call
6200 mark_phi_for_rewrite.
6201 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6202 (update_ssa): Initialize and free phis_to_rewrite.
6204 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6206 PR rtl-optimization/27291
6207 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6208 folded to a constant.
6210 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6212 PR tree-optimization/27283
6213 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6214 not whole # of iteration descriptions.
6215 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6216 uses abnormal ssa name.
6217 (niter_for_single_dom_exit): Ditto.
6218 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6219 return just the number of iterations.
6221 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6223 PR tree-optimization/27144
6224 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6225 (record_estimate): Only record constant upper bound.
6226 (infer_loop_bounds_from_undefined): Call
6227 compute_estimated_nb_iterations just once.
6228 (proved_non_wrapping_p): Renamed to ...
6229 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6230 (convert_step_widening, scev_probably_wraps_p): Call
6231 n_of_executions_at_most instead of proved_non_wrapping_p.
6232 (substitute_in_loop_info): Do not replace values in bounds.
6233 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6236 2006-05-01 Richard Henderson <rth@redhat.com>
6239 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6240 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6243 2006-05-01 Roger Sayle <roger@eyesopen.com>
6245 * c-typeck.c (parser_build_binary_op): Don't call the function
6246 unsigned_conversion_warning to spot operand/result type overflow.
6247 (build_binary_op): Instead, call convert_and_check instead of
6248 convert to report the problem when the operands are promoted.
6249 * c-common.c (unsigned_conversion_warning): Make static.
6250 * c-common.h (unsigned_conversion_warning): Delete prototype.
6252 2006-05-01 Richard Guenther <rguenther@suse.de>
6254 PR tree-optimization/26726
6255 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6257 (find_interesting_uses_address): ... we work around here
6258 by folding INDIRECT_REFs in the substituted base.
6260 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6262 * omp-low.c (dump_omp_region): Add newlines.
6264 2006-04-30 Roger Sayle <roger@eyesopen.com>
6266 * common.opt (Woverflow): New command line option.
6267 * c-common.c (constant_expression_warning): Check warn_overflow.
6268 (overflow_waring): Pass OPT_Woverflow to warning.
6269 (unsigned_conversion_warning): Likewise.
6270 (convert_and_check): Likewise.
6271 * doc/invoke.texi: Document new command line option.
6273 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6275 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6276 TARGET_NO_FP_IN_TOC for section anchors.
6277 (optimization_options): Enable section anchors for all
6278 non-"Objective" languages.
6280 2006-04-28 Eric Christopher <echristo@apple.com>
6282 * config/darwin-c.c (darwin_ms_struct): Move this
6283 (darwin_set_default_type_attributes): and this...
6284 * config/darwin.c: ... here.
6285 * config/darwin.h (darwin_ms_struct): Declare.
6287 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6289 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6291 2006-04-28 Roger Sayle <roger@eyesopen.com>
6294 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6295 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6296 an unsigned HOST_WIDE_INT.
6297 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6299 (really_start_incremental_init): No need to call convert because
6300 bitsize_zero_node is already of type bitsizetype.
6301 (push_init_level): Extract the value of constructor_index as an
6302 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6303 (process_init_element): Likewise.
6305 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6307 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6308 value before passing to make_relative_prefix.
6310 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6313 * builtins.c (expand_builtin_memset): Expand val in original mode.
6315 2006-04-27 Eric Christopher <echristo@apple.com>
6317 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6318 with #ifndef/#endif.
6319 * config/darwin-c.c (darwin_ms_struct): New.
6320 (darwin_pragma_ms_struct): Ditto.
6321 (darwin_set_default_type_attributes): Ditto.
6322 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6323 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6324 Register ms_struct pragma.
6325 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6326 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6327 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6328 darwin_set_default_type_attributes if TARGET_MACHO.
6330 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6332 PR tree-optimization/26854
6333 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6334 * doc/tree-ssa.texi: Update immuse iterator documentation.
6335 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6336 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6337 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6338 first_safe_imm_use, next_safe_imm_use): Remove.
6339 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6340 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6341 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6342 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6343 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6344 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6345 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6346 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6347 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6348 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6349 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6350 (perfect_nestify): Use new iterator.
6351 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6353 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6354 (next_imm_name): New field in struct immediate_use_iterator_d.
6355 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6356 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6357 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6358 * tree-cfg.c (replace_uses_by): Use new iterator.
6359 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6360 * tree-ssa-operands.c (correct_use_link): Remove.
6361 (finalize_ssa_use_ops): No longer call correct_use_link.
6363 2006-04-27 Stuart Hastings <stuart@apple.com>
6365 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6366 * config/t-darwin (crt3.o): Use it.
6367 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6368 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6369 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6370 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6371 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6374 2006-04-27 Roger Sayle <roger@eyesopen.com>
6376 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6377 size, force the intermediate into a new pseudo rather instead of
6378 performing both a bitwise AND and a bitwise IOR in memory.
6380 2006-04-27 Richard Guenther <rguenther@suse.de>
6382 PR rtl-optimization/26685
6383 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6384 this one "max-flow-memory-locations".
6386 2006-04-27 Richard Guenther <rguenther@suse.de>
6388 PR tree-optimization/25148
6389 * tree-vrp.c (compare_values): Remove code dealing with
6390 comparisons against type min/max value. Honour overflow
6391 and negative constants in code dealing with comparisons
6392 of plus and minus expressions.
6393 (value_inside_range): Use fold_binary with LE_EXPR and
6394 GE_EXPR rather than compare_values.
6396 2006-04-27 Dirk Mueller <dmueller@suse.de>
6398 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6401 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6403 * basic-block.h (safe_insert_insn_on_edge): Removed.
6404 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6406 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6407 Paolo Bonzini <bonzini@gnu.org>
6410 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6411 (simplify_and_const_int): Same.
6413 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6415 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6417 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6420 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6421 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6422 cgraph_global_info_ready.
6425 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6428 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6429 either decl or init is error_mark_node.
6432 * tree-flow.h (struct omp_region): Add sched_kind.
6433 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6434 instead of extracting omp for data.
6435 (expand_omp_for): Save extracted sched_kind.
6437 2006-04-25 Roger Sayle <roger@eyesopen.com>
6439 * expmed.c (store_bit_field): Also check whether the bitsize is
6440 valid for the machine's "insv" instruction before moving the
6441 target into a pseudo for use with the insv.
6442 * config/i386/predicates.md (const8_operand): New predicate.
6443 * config/i386/i386.md (extv, extzv, insv): Use the new
6444 const8_operand predicate where appropriate.
6446 2006-04-25 DJ Delorie <dj@redhat.com>
6448 * doc/install.texi (Specific): Clarify that this is not a list of
6449 supported hosts or targets.
6451 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6453 PR rtl-optimization/26725
6454 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6455 block's BB_DIRTY flag.
6457 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6459 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6462 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6463 to print an integer.
6465 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6467 * varasm.c (align_variable): New function.
6468 (get_block_for_decl): Apply align_variable to DECL before
6469 calculating section information.
6470 (assemble_variable): Split out alignment computation.
6472 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6474 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6477 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6479 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6480 MODE_PARTIAL_INT mode.
6481 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6482 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6484 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6485 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6487 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6489 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6491 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6492 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6493 MACFLAG_IH): Likewise.
6494 (movstricthi_1): Renamed from "*movstricthi".
6495 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6496 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6497 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6498 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6499 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6500 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6501 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6502 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6503 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6504 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6505 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6506 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6507 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6508 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6509 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6511 * doc/rtl.texi (ss_ashift): Improve wording.
6513 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6515 * dwarf2out.c (verify_marks_clear): New.
6516 (prune_unused_types): Call verify_marks_clear initially, not
6519 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6521 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6522 * doc/rtl.texi: Document them.
6523 * simplify-rtx.c (simplify_unary_operation,
6524 simplify_binary_operation_1): Don't abort when we see them.
6526 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6529 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6530 * configure.ac: Completely disregard languages that are not
6532 * configure: Regenerated.
6534 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6535 Richard Guenther <rguenther@suse.de>
6537 PR tree-optimization/27236
6538 * tree-inline.c (copy_body_r): Make sure to copy
6539 TREE_THIS_VOLATILE flag.
6541 2006-04-24 Richard Guenther <rguenther@suse.de>
6544 * tree-complex.c (update_parameter_components): Don't handle
6545 unused parameters which have no default def.
6547 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6548 Richard Guenther <rguenther@suse.de>
6550 PR tree-optimization/27218
6551 * tree-inline.c (expand_call_inline): Strip useless type
6552 conversions for the return slot address.
6554 2006-04-24 Richard Guenther <rguenther@suse.de>
6556 * cfgloop.h (struct loops): Remove unused field array. Reorder
6558 (LOOP_PREFETCH): Remove.
6560 2006-04-24 Richard Guenther <rguenther@suse.de>
6562 PR tree-optimization/22525
6563 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6564 variable, adjust types of generated expressions.
6566 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6568 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6569 (tree-vect-patterns.o): Likewise.
6571 (cselib.o): Likewise.
6572 (loop-doloop.o): Likewise.
6573 (regclass.o): Likewise.
6574 (reload1.o): Likewise.
6575 (explow.o): Replace target.h with $(TARGET_H).
6576 (ipa-prop.o): Likewise.
6577 (ipa-cp.o): Likewise.
6578 (ipa-inline.o): Likewise.
6579 (reorg.o): Likewise.
6580 (reg-stack.o): Likewise.
6582 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6584 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6586 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6588 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6590 * configure.ac: Completely disregard languages that are not
6592 * configure: Regenerated.
6595 * c-common.h (c_build_bitfield_integer_type): Declare.
6596 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6597 * c-common.c (c_build_bitfield_integer_type): ... here.
6599 2006-04-23 Roger Sayle <roger@eyesopen.com>
6602 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6603 a SImode SUBREG of a floating point register after no_new_pseudos.
6605 2006-04-23 Roger Sayle <roger@eyesopen.com>
6607 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6608 identify potentially eliminable registers to additionally catch
6609 VIRTUAL_INCOMING_ARGS_REGNUM.
6610 (addsi3): Update the conditions on when to use addsi_small_int.
6612 2006-04-23 Roger Sayle <roger@eyesopen.com>
6615 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6616 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6617 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6619 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6621 * fold-const.c (range_predecessor): Use operand_equal_p
6622 as the predicate for equality.
6623 (range_successor): Likewise.
6625 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6628 * config/soft-fp/op-common.h: Fix a typo.
6630 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6633 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6634 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6636 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6638 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6640 * doc/tm.texi: Fix a typo.
6642 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6644 * dwarf2out.c (struct die_struct): Document that die_sib makes
6645 a circular linked list.
6646 (FOR_EACH_CHILD): New.
6647 (reverse_die_lists): Delete.
6648 (reverse_all_dies): Delete.
6649 (add_dwarf_attr): Correct documentation.
6650 (remove_child_with_prev): New.
6651 (remove_child_TAG): Update for change to die_struct, use
6652 remove_child_with_prev.
6653 (add_child_die): Update for change to die_struct.
6654 (splice_child_die): Use remove_child_with_prev and add_child_die.
6655 (print_die): Use FOR_EACH_CHILD.
6656 (die_checksum): Likewise.
6657 (assign_symbol_names): Likewise.
6658 (output_location_lists): Likewise.
6659 (build_abbrev_table): Likewise.
6660 (calc_die_sizes): Likewise.
6661 (mark_dies): Likewise.
6662 (unmark_dies): Likewise.
6663 (unmark_all_dies): Likewise.
6664 (output_die): Likewise.
6665 (prune_unused_types_mark): Likewise.
6666 (prune_unused_types_walk): Likewise.
6667 (same_die_p): Update for change to die_struct.
6668 (break_out_includes): Likewise.
6669 (prune_unused_types_prune): Likewise.
6670 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6671 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6673 (dwarf2out_finish): Don't call reverse_all_dies.
6675 2006-04-21 Eric Christopher <echristo@apple.com>
6677 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6678 in comments and function names.
6680 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6683 * c-typeck.c (digest_init): Robustify.
6685 * c-typeck.c (pop_init_level): Simplify.
6687 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6689 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6691 2006-04-21 Paul Brook <paul@codesourcery.com>
6693 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6694 hardware floating point.
6696 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6698 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6701 2006-04-21 Nick Clifton <nickc@redhat.com>
6703 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6706 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6709 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6710 C++ lang type in traceback table for Objective-C++.
6712 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6714 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6716 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6718 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6721 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6722 were errors. Remove check for erroneous objects.
6724 2006-04-20 Jeff Law <law@redhat.com>
6726 PR tree-optimization/26854
6727 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6728 checking for zero or one use.
6729 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6730 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6731 * tree-ssa-reassoc.c (negate_value): Similarly.
6732 (reassociate_bb): Similarly.
6734 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6736 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6737 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6738 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6740 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6742 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6743 fp regs if the last fp arg doesn't fit in regs.
6745 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6748 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6749 that the last insn has the REG_INC note.
6751 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6752 Nathan Sidwell <nathan@codesourcery.com>
6755 * stor-layout.c (update_alignment_for_field): Do not align
6757 (place_union_field): Place union field at the start of the union.
6758 (place_field): Move ERROR_MARK check later, and use the current
6759 allocation position to maintain monotonicity.
6761 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6763 * dominance.c: Include timevar.h.
6764 (calculate_dominance_info): Use TV_DOMINANCE.
6765 * timevar.def (TV_DOMINANCE): New timevar.
6766 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6768 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6770 PR rtl-optimization/14261
6771 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6772 move would be an INSV insn.
6773 (noce_process_if_block): Don't optimize if the destination is a
6774 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6776 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6778 * config/s390/s390.md: Add comments with the instructions emitted
6779 by an insn pattern if macros are used.
6781 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6783 PR rtl-optimization/26026
6784 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6785 is a known power of two shifted left a variable amount.
6787 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6789 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6790 to hash table twice when the debug_str section has SECTION_MERGE.
6792 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6794 * config/soft-fp: New directory. From glibc.
6795 * config/soft-fp/t-softfp: New.
6796 * config/soft-fp/README: New.
6797 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6798 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6799 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6800 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6801 * config.gcc: Use rs6000/t-fprules-fpbit or
6802 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6804 * config/rs6000/sfp-machine.h: New. Based on glibc.
6805 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6807 * config/rs6000/t-fprules: Remove fp-bit rules.
6808 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6809 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6810 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6811 (softfp_wrap_start, softfp_wrap_end): New.
6813 2006-04-18 DJ Delorie <dj@redhat.com>
6815 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6817 2006-04-18 Devang Patel <dpatel@apple.com>
6819 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6821 2006-04-18 Nick Clifton <nickc@redhat.com>
6823 * config/sh/t-symbian: Add rule to build sh-c.o
6824 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6825 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6826 (sh_symbian_encode_section_info): Likewise.
6828 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6830 * builtins.c (expand_builtin_strcmp): Cover label definition of
6831 do_libcall with HAVE_cmpstrnsi.
6833 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6835 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6837 * function.h (temp_slot_p): New.
6838 (function): Change the type of x_used_temp_slots to
6839 VEC(temp_slot_p,gc) *.
6841 2006-04-18 Nick Clifton <nickc@redhat.com>
6843 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6844 flag_strength_reduce.
6846 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6848 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6852 Partial revert of revision 112637
6853 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6854 Dale Johannesen <dalej@apple.com>
6857 * regclass.c (struct reg_pref): Update documentation.
6858 (regclass): Set prefclass to NO_REGS if memory is the best option.
6859 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6861 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6863 PR tree-optimization/26821
6864 * tree-ssa-math-opts.c (get_constant_one): New.
6865 (insert_reciprocals): Use it.
6867 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6869 * dwarf2out.c (free_AT): Delete.
6870 (remove_AT): Update string ref counts.
6871 (remove_child_TAG): Don't call free_die.
6873 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6874 or DW_TAG_GNU_EINCL.
6875 (prune_unused_types_walk_attribs): Reset string refcounts.
6876 (prune_unused_types_update_strings): New.
6877 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6878 call free_die. Do call prune_unused_types_update_strings.
6879 (prune_unused_types): Empty debug_str_hash.
6881 2006-04-17 Roger Sayle <roger@eyesopen.com>
6883 * expr.c (expand_assignment): Optimize away no-op moves where the
6884 source and destination are equal and have no side-effects.
6886 2006-04-17 Richard Guenther <rguenther@suse.de>
6889 * reload.c (push_reload): Guard calls to get_secondary_mem
6892 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6894 * alias.c (reg_base_value, old_reg_base_value): Change the
6895 type to VEC(rtx,gc) *.
6896 (REG_BASE_VALUE, find_base_value, record_set,
6897 init_alias_analysis): Use VEC instead of VARRAY.
6899 * alias.c (alias_sets): Change the type to
6900 VEC(alias_set_entry,gc) *.
6901 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6902 VEC instead of VARRAY.
6903 (last_alias_set): Remove.
6905 * cgraph.h (cgraph_edge_p): New.
6906 Update the prototype of cgraph_function_versioning.
6907 * cgraphunit.c (cgraph_copy_node_for_versioning,
6908 cgraph_function_versioning): Use VEC instead of VARRAY.
6909 * ipa-cp.c (ipcp_insert_stage): Likewise.
6911 2006-04-16 Roger Sayle <roger@eyesopen.com>
6914 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6915 "A op B" or "A op C", we may need to convert A to the type of B and C.
6917 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6919 * target.h (struct gcc_target): Add mode_rep_extended.
6920 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6921 (init_num_sign_bit_copies_in_rep): Initialize it using
6923 (truncate_to_mode): Use it.
6924 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6925 * targhooks.h (default_mode_rep_extended): Declare it.
6926 * targhooks.c (default_mode_rep_extended): Define it.
6927 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6928 default_mode_rep_extended.
6929 (TARGET_INITIALIZER): Include it.
6930 * doc/tm.texi (Misc): Document it.
6931 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6932 (mips_truncated_to_mode): New function.
6934 2006-04-16 Roger Sayle <roger@eyesopen.com>
6937 * expr.c (compress_float_constant): Copy the narrow constant into
6938 a new pseudo before extending it to its final width.
6940 2006-04-16 Roger Sayle <roger@eyesopen.com>
6941 Andrew Pinski <pinskia@gcc.gnu.org>
6942 Dale Johannesen <dalej@apple.com>
6945 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6946 special case code to implement V8HImode and V16QImode with SSE2.
6948 2006-04-15 Roger Sayle <roger@eyesopen.com>
6950 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6951 trees are constructed with a suitable tree type.
6953 2006-04-15 Roger Sayle <roger@eyesopen.com>
6955 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6956 (integer_onep): Likewise.
6957 (integer_all_onesp): Likewise.
6958 (integer_pow2p): Likewise.
6959 (integer_nonzerop): Likewise.
6960 (real_zerop): Likewise.
6961 (real_onep): Likewise.
6962 (real_twop): Likewise.
6963 (real_minus_onep): Likewise.
6964 (int_size_in_bytes): Likewise.
6965 (host_integerp): Likewise.
6967 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6969 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6970 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6971 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6973 * tree-ssa-structalias.h (alias_info): Remove num_references.
6975 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6977 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6978 (output_bvb patterns): Likewise.
6979 * pa.c (output_bb): Use 'bb' insn for long branch case.
6980 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6981 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6982 1. Correct length operand for alternatives 1 and 2.
6983 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6984 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6986 2006-04-14 Roger Sayle <roger@eyesopen.com>
6988 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6989 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6990 were accidentally reverted by r112959.
6992 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6995 * except.h (eh_region_outermost): New prototype.
6996 * except.c (eh_region_outermost): New function.
6997 * tree-cfg.c (find_outermost_region_in_block): Use it.
6999 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7001 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7003 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7004 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7005 (init_reload, reload): Use VEC instead of VARRAY.
7006 * reload.h: Update the prototype for
7007 reg_equiv_memory_loc_varray.
7009 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7010 Eric Botcazou <ebotcazou@libertysurf.fr>
7012 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7015 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7018 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7019 to expand fallback builtin function call.
7021 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7024 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7025 and emit libcall here in case the builtin fails.
7026 (expand_builtin_strcmp): Always emit the libcall here on failure.
7028 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7030 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7031 * flow.c (reg_n_info): Change the type to
7032 VEC(reg_info_p,heap) *.
7033 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7035 * regs.h (reg_info_p): New.
7036 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7037 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7038 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7041 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7043 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7045 * params.h (MAX_SCHED_READY_INSNS): New macro.
7046 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7047 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7048 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7049 the ready list for 1 cycle during the first scheduling pass.
7050 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7052 2006-04-13 Richard Henderson <rth@redhat.com>
7055 * gimple-low.c (lower_omp_directive): Remove dead code.
7056 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7057 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7058 * omp-low.c (struct omp_region): Move to tree-flow.h.
7059 (root_omp_region): Export.
7060 (omp_regions, lookup_omp_region): Remove.
7061 (determine_parallel_type): Update for struct omp_region changes.
7062 (dump_omp_region): Dump regions with block numbers.
7063 (new_omp_region): Take type and block instead of stmt; malloc
7065 (free_omp_region_1, free_omp_regions): New.
7066 (expand_parallel_call): Take entry_stmt as argument; update for
7067 changes to omp_region.
7068 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7069 (remove_exit_barriers): New.
7070 (expand_omp_parallel): Update for struct omp_region changes.
7071 (expand_omp_synch): Likewise.
7072 (expand_omp): Likewise.
7073 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7074 (expand_omp_for_static_chunk): Likewise.
7075 (expand_omp_for): Likewise.
7076 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7077 (expand_omp_sections): Similarly, with GOMP_sections_end.
7078 (expand_omp_single): New.
7079 (build_omp_regions_1): Update for OMP_CONTINUE.
7080 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7081 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7082 OMP_SECTIONS_SECTIONS.
7083 (lower_omp_single_simple): Don't emit barrier here.
7084 (lower_omp_single_copy): Likewise.
7085 (lower_omp_single): Fix bindings, and lower to straightline now.
7086 (lower_omp_master, lower_omp_ordered): Likewise.
7087 (lower_omp_critical): Likewise.
7088 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7089 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7090 omp edges, free it afterward.
7091 (make_omp_sections_edges): Remove.
7092 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7093 (move_stmt_r): Handle OMP_CONTINUE.
7094 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7095 statement pointers to basic blocks. Add type member.
7096 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7097 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7098 * tree-inline.c (estimate_num_insns_1): Likewise.
7099 * tree-pretty-print.c (dump_generic_node): Likewise.
7100 * tree-ssa-operands.c (get_expr_operands): Likewise.
7101 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7102 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7103 (OMP_CONTINUE): New.
7104 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7105 (OMP_SECTIONS_SECTIONS): Remove.
7106 (OMP_SECTION_LAST): New.
7107 (OMP_RETURN_NOWAIT): New.
7109 2006-04-13 Roger Sayle <roger@eyesopen.com>
7111 * fold-const.c (native_encode_vector, native_interpret_real):
7112 Correct obvious mistakes in the previous check-in.
7114 2006-04-13 Roger Sayle <roger@eyesopen.com>
7116 * fold-const.c (native_encode_expr): New function to encode
7117 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7118 or VECTOR_CST into a specified buffer.
7119 (native_encode_int): New function.
7120 (native_encode_real): New function.
7121 (native_encode_complex): New function.
7122 (native_encode_vector): New function.
7123 (native_interpret_expr): Inverse of native_encode_expr to convert
7124 a target representation into an INTEGER_CST, REAL_CST etc...
7125 (native_interpret_int): New function.
7126 (native_interpret_real): New function.
7127 (native_interpret_complex): New function.
7128 (native_interpret_vector): New function.
7129 (fold_view_convert_expr): New function to constant fold/evaluate
7130 a VIEW_CONVERT_EXPR of a suitable constant expression.
7131 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7132 Change call of build1 to fold_build1 when constructing a
7135 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7136 Ulrich Weigand <uweigand@de.ibm.com>
7139 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7142 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7145 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7146 optimize to lo_sum for DFmode if !TARGET_FPRS.
7148 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7150 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7151 delete_alias_info, compute_flow_sensitive_aliasing,
7152 group_aliases): Use VEC instead of VARRAY.
7153 * tree-ssa-structalias.c (update_alias_info): Likewise.
7154 * tree-ssa-structalias.h (alias_info): Change the type of
7155 processed_ptrs to VEC(tree,heap) *.
7157 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7160 * config/sh/lib1funcs.h: New file, broken out of:
7161 * config/sh/lib1funcs.asm.
7162 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7164 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7165 * config/sh/lib1funcs-Os-4-200.asm: New file.
7166 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7167 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7168 (EXTRA_MULTILIB_PARTS): Include it.
7169 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7170 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7171 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7172 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7175 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7177 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7178 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7179 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7181 * tree-ssa-live.h: Include vecprim.h.
7182 (tree_partition_associator_d): Change the type of
7183 first_partition to VEC(int,heap) *.
7184 (tpa_first_partition): Use VEC instead of VARRAY.
7186 * Makefile.in (GTFILES): Move functions.h after tree.h.
7187 * function.c (reset_block_changes, record_block_change,
7188 check_block_change, free_block_changes): Use VEC instead of
7190 * function.h (function): Change the type of
7191 ib_boundaries_block to VEC(tree,gc) *.
7192 * tree-inline.c (copy_cfg_body): Initialize
7193 ib_boundaries_block to NULL instead of (varray_type) 0.
7195 2006-04-12 Roger Sayle <roger@eyesopen.com>
7197 * expr.c (emit_group_store): Correct operand order in call to
7198 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7199 a SUBREG_BYTE of zero.
7201 2006-04-12 Richard Guenther <rguenther@suse.de>
7203 * profile.c (compute_branch_probabilities): Remove code
7204 encapsulated in !ir_type (), which are remanents of the
7205 removed RTL profiling code.
7206 * rtl-profile.c: Remove.
7208 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7210 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7211 magic NULL_RTX comment.
7212 (function_arg): Store entire fp arg to mem if any part should go
7214 (rs6000_arg_partial_bytes): Adjust for above change.
7216 2006-04-11 Roger Sayle <roger@eyesopen.com>
7218 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7219 if it hasn't been initialized by dwarf2out_init.
7221 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7223 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7224 symbolic constants in branch patterns.
7226 2006-04-11 Roger Sayle <roger@eyesopen.com>
7228 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7230 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7232 PR rtl-optimization/27073
7233 * gcse.c (try_replace_reg): Revert last change. Continue to search
7234 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7237 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7239 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7240 aggregate types other than record and union types.
7241 (function_arg): Likewise.
7242 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7244 (function_value): In 64-bit mode, return objects that require it
7247 2006-04-11 Roger Sayle <roger@eyesopen.com>
7249 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7251 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7253 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7255 2006-04-03 Jeff Law <law@redhat.com>
7258 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7259 alias information too.
7261 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7263 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7265 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7268 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7269 (premark_used_types_helper): New.
7270 (premark_used_types): New.
7271 (gen_subprogram_die): Call premark_used_types.
7272 (prune_unused_types_walk): Do not prune perennial dies.
7273 * function.c (used_types_insert): New.
7274 * function.h (struct function): Add used_types_hash field.
7275 (used_types_insert): Add prototype.
7276 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7277 * c-parser.c (c_parser_cast_expression): Save casted types in used
7280 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7283 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7284 rs6000_explicit_options.float_gprs.
7286 2006-04-10 Roger Sayle <roger@eyesopen.com>
7288 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7289 from ix86_expand_vector_init_low_nonzero. Take an additional
7290 one_var argument indicating which element is non-zero. Support
7291 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7292 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7293 with one_var instead of ix86_expand_vector_init_low_nonzero.
7295 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7297 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7298 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7299 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7300 build/genextract.o): Depend on vecprim.h.
7301 * cfglayout.c, df-problems.c, function.c, genextract.c,
7302 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7303 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7307 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7309 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7310 Declare VECs of this type.
7311 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7312 (remove_children): Delete.
7313 (add_dwarf_attr): Use VEC routines.
7314 (add_AT_flag): Update for changes to add_dwarf_attr.
7315 (add_AT_int): Likewise.
7316 (add_AT_unsigned): Likewise.
7317 (add_AT_long_long): Likewise.
7318 (add_AT_vec): Likewise.
7319 (add_AT_string): Likewise.
7320 (add_AT_die_ref): Likewise.
7321 (add_AT_fde_ref): Likewise.
7322 (add_AT_loc): Likewise.
7323 (add_AT_loc_list): Likewise.
7324 (add_AT_addr): Likewise.
7325 (add_AT_lbl_id): Likewise.
7326 (add_AT_lineptr): Likewise.
7327 (add_AT_macptr): Likewise.
7328 (add_AT_offset): Likewise.
7329 (add_AT_range_list): Likewise.
7330 (get_AT): Use VEC_iterate.
7331 (remove_AT): Use VEC_ordered_remove.
7332 (free_die): Fold remove_children into here; have it use VEC_iterate.
7333 (print_die): Use VEC_iterate on attrs.
7334 (reverse_die_lists): Don't reverse attr lists.
7335 (die_checksum): Use VEC_iterate on attrs.
7336 (same_die_p): Likewise.
7337 (output_location_lists): Likewise.
7338 (build_abbrev_table): Likewise.
7339 (size_of_die): Likewise.
7340 (unmark_all_dies): Likewise.
7341 (output_abbrev_section): Likewise.
7342 (output_die): Likewise.
7343 (prune_unused_types_walk_attribs): Likewise.
7345 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7347 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7349 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7352 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7354 2006-04-09 Roger Sayle <roger@eyesopen.com>
7356 * expr.c (store_constructor): Don't bother clearing target if
7357 we're about to assign a vector to it using vec_init_optab.
7359 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7361 * tree-ssa-alias.c (lhs_may_store_to): New function.
7362 (recalculate_used_alone): Handle LHS of calls.
7364 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7368 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7369 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7370 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7371 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7372 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7373 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7374 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7375 stubs. Add ".align 8" directives before all ".dword" directives.
7376 (GTHREAD_USE_WEAK): Revise comment.
7377 (TARGET_ATTRIBUTE_WEAK): Define.
7378 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7379 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7380 * stublib.c: New file.
7385 * pa.md (cbranch patterns): Revise arguments used in calls to
7386 output_cbranch, output_bb and output_bvd. Add long branch length
7388 (fbranch patterns): Handle long branches.
7389 (jump): Revise length check. Revise arguments for output_lbranch call.
7390 Add long branch length attributes.
7391 (decrement_and_branch_until_zero): Add long branch length attributes.
7392 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7393 Likewise. Revise arguments for output_parallel_addb and
7394 output_parallel_movb calls.
7395 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7396 output_parallel_movb and output_parallel_addb): Update prototypes.
7397 * pa.c (output_cbranch): Revise arguments. Correct handling of
7398 nullification in long branches.
7399 (output_lbranch): Add new argument to control extraction of delay
7401 (output_bb): Handle long branches.
7402 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7403 output_parallel_addb): Likewise.
7405 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7407 PR rtl-optimization/27073
7408 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7411 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7413 * tree.h (tree_memory_tag): Add old_used_alone.
7414 (SMT_OLD_USED_ALONE): New macro.
7415 * tree-ssa-alias.c (recalculate_used_alone): Stop
7416 marking things for renaming unnecessarily.
7418 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7420 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7421 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7422 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7423 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7424 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7425 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7426 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7427 spelling convensions.
7428 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7429 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7430 typos. Follow spelling conventions.
7432 2006-04-07 DJ Delorie <dj@redhat.com>
7434 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7435 passed on the stack.
7436 (m32c_init_cumulative_args): When a function returns a structure,
7437 always pass the pointer to that return area on the stack.
7438 (m32c_function_arg_advance): Don't increment the parameter number
7439 if we're processing the returned structure pointer.
7440 (pushm_info): Reverse order of registers.
7442 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7444 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7445 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7446 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7447 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7449 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7450 chrec_fold_multiply): Same.
7451 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7452 force_expr_to_var_cost): Same.
7453 * tree-mudflap.c (mf_xform_derefs_1): Same.
7454 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7456 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7458 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7459 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7462 2006-04-07 Jan Hubicka <jh@suse.cz>
7464 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7466 2006-04-07 Richard Guenther <rguenther@suse.de>
7468 PR tree-optimization/26135
7469 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7470 loads for store copy-prop.
7471 (copy_prop_visit_stmt): Likewise.
7473 2006-04-05 Robert Millan <robertmh@gnu.org>
7475 * config/i386/linux.h: Add a comment to mark macros that are
7476 being overriden in config/k*bsd-gnu.h.
7477 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7479 * config/knetbsd-gnu.h: Ditto.
7481 2006-04-06 Jan Hubicka <jh@suse.cz>
7485 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7488 2006-04-06 Mike Stump <mrs@apple.com>
7490 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7491 for HAVE_nonlocal_goto to be consistent.
7492 (expand_builtin_nonlocal_goto): Likewise.
7493 (expand_builtin_strcmp): Use #ifdef instead of #if
7494 for HAVE_cmpstrnsi to be consistent.
7496 2006-04-05 DJ Delorie <dj@redhat.com>
7498 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7501 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7503 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7504 got-relative addressing for anything but SImode.
7506 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7507 even if the calling function doesn't modify them.
7509 2006-04-05 Richard Guenther <rguenther@suse.de>
7511 PR tree-optimization/26919
7512 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7513 to cgraph_estimate_size_after_inlining.
7515 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7517 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7519 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7521 PR tree-optimization/26996
7522 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7523 VECTOR_TYPE variables.
7525 2006-04-05 Richard Guenther <rguenther@suse.de>
7527 PR tree-optimization/26763
7528 * fold-const.c (fold_comparison): Move folding of
7529 PTR + CST CMP PTR + CST ...
7530 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7532 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7534 * doc/install.texi (Prerequisites): Refine some wording on
7535 bootstrapping and ksh.
7536 Move the version numbers of DejaGnu here from the testing section
7537 and fix casing of names.
7538 Fix markup and clarify wording for autogen requirements.
7539 Refer to GCJ instead of just java.
7540 Refer to SVN instead of CVS.
7541 Describe diffutils as useful instead of necessary.
7542 (Downloading the source): Refer to SVN instead of CVS.
7543 Adjust a link to our web site accordingly.
7544 (Configuration): Fix casing of Bison.
7545 (Building): Refer to SVN instead of CVS.
7546 Fix a sentence on the use of Bison and remove duplicate (and
7547 incorrect) version number of Bison requirement.
7548 Remove one redundant list of packages needed for building.
7549 (Specific): Avoid reference to CVS.
7551 2006-04-04 Eric Christopher <echristo@apple.com>
7553 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7554 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7555 (rs6000_handle_struct_attribute): New.
7556 (rs6000_ms_bitfield_layout_p): Ditto.
7558 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7560 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7561 NULL for dso parameter to atexit_common.
7563 2006-04-04 Eric Christopher <echristo@apple.com>
7565 * config/i386/i386.c (machopic_output_stub): Output \t
7566 between instructions and operands.
7568 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7570 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7571 satisfies_constraint_[IL] to explicit tests on value.
7573 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7575 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7576 set_nb_iterations_in_loop): Use build_int_cst instead of
7578 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7579 build_int_cst instead of convert.
7581 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7583 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7584 new value 2 for incoming.
7585 * function.c (expand_function_start): Call struct_value_rtx
7587 * config/sparc/sparc.md: Comment updated_return.
7588 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7589 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7590 struct return if sparc_std_struct_return and incoming is 2.
7591 (print_operand): Do not adjust return if
7592 sparc_std_struct_return.
7594 2006-04-04 Roger Sayle <roger@eyesopen.com>
7596 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7597 convert in the middle-end.
7598 * expr.c (store_expr, store_constructor, get_inner_reference,
7599 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7601 * tree.c (build_range_type): Likewise.
7603 2006-04-04 Tom Tromey <tromey@redhat.com>
7605 * doc/install.texi (Prerequisites): Mention jar.
7607 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7609 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7612 2006-04-04 Matthias Klose <doko@debian.org>
7614 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7618 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7621 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7623 * doc/extend.texi (Function Attributes): Rewrite visibility
7624 attribute documentation.
7625 * doc/invoke.texi (C++ Dialect Options): Rewrite
7626 -fvisibility-inlines-hidden documentation to describe something
7627 entirely different, although in practise compatible.
7628 (Code Gen Options): Warn about system headers in -fvisibility=
7631 * doc/extend.texi (Other Builtins): Document that
7632 __builtin_nan is a compile-time constant only when its argument
7635 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7637 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7638 trying to remove TRUNCATE check if all bits outside the new mode
7639 are identical to the sign bit.
7641 2006-04-03 Jeff Law <law@redhat.com>
7643 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7644 and operand scanning in some common cases.
7646 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7647 Dale Johannesen <dalej@apple.com>
7650 * regclass.c (struct reg_pref): Update documentation.
7651 (regclass): Set prefclass to NO_REGS if memory is the best option.
7652 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7653 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7654 into account. For non-registers, equate an empty preferred
7655 reload class to a `!' in the constraint; move the if clause to
7656 do so after those that reject the insn.
7657 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7659 (find_dummy_reload): Likewise.
7660 * doc/tm.texi (Register Classes): Document what it means
7661 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7662 * config/i386/i386.c (ix86_preferred_reload_class): Force
7663 using SSE registers (and return NO_REGS for floating-point
7664 constants) if math is done with SSE.
7665 (ix86_preferred_output_reload_class): New.
7666 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7667 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7668 * config/i386/i386.md: Remove # register preferences.
7670 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7673 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7674 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7675 the type of nb_iter.
7676 (instantiate_parameters_1): Convert the operands before calling
7677 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7678 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7680 2006-04-02 Roger Sayle <roger@eyesopen.com>
7682 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7683 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7685 * dojump.c (do_jump): Likewise.
7686 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7687 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7688 gimplify_boolean_expr): Likewise.
7689 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7690 * varasm.c (array_size_for_constructor): Likewise.
7691 * tree-object-size.c (compute_object_offset): Likewise.
7693 2006-04-02 Roger Sayle <roger@eyesopen.com>
7696 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7697 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7699 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7701 PR tree-optimization/26939
7702 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7704 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7706 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7707 at_stmt. Convert the type of operands before calling
7708 build_polynomial_chrec.
7709 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7711 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7712 (instantiate_parameters_1): Convert the type of operands before calling
7713 build_polynomial_chrec.
7714 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7715 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7716 reset_evolution_in_loop): Insert asserts to check the types of the
7718 (chrec_type): Moved...
7719 (eq_evolutions_p): Use operand_equal_p.
7720 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7721 the types of the operands.
7722 (chrec_type): ...here.
7723 * tree-data-ref.c (create_data_ref): Convert the operands before
7724 calling chrec_replace_initial_condition.
7725 (same_access_functions, analyze_subscript_affine_affine,
7726 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7727 (compute_subscript_distance, analyze_ziv_subscript,
7728 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7729 analyze_miv_subscript): Convert the operands before calling
7730 chrec_fold_minus or chrec_fold_plus.
7732 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7734 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7735 the dependence_relations vector.
7736 (compute_data_dependences_for_loop): Adjust call to
7737 compute_all_dependences.
7739 2006-04-01 Roger Sayle <roger@eyesopen.com>
7740 Richard Henderson <rth@redhat.com>
7742 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7743 gimple_boolify on the condition before calling gimplify_expr.
7745 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7747 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7748 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7749 the frame size. Update to use the new macros.
7750 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7751 * config/xtensa/ieee754-df.S: Likewise.
7753 2006-03-31 Richard Henderson <rth@redhat.com>
7755 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7756 (make_edges): ... here. Control fallthru creation with a local
7757 variable. Do not play with fake edges.
7758 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7759 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7762 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7764 * dwarf2.h (DW64_CIE_ID): Define.
7765 * dwarf2out.c (DWARF_CIE_ID): Define.
7766 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7767 length header. Use DWARF_CIE_ID.
7768 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7769 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7771 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7773 * config/sh/linux-atomic.asm: New file.
7774 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7776 2006-03-31 DJ Delorie <dj@redhat.com>
7778 * config/m32c/cond.md: Set condition flags properly throughout.
7779 * config/m32c/minmax.md: Likewise.
7780 * config/m32c/prologue.md: Likewise.
7781 * config/m32c/bitops.md: Likewise.
7782 * config/m32c/muldiv.md: Likewise.
7783 * config/m32c/mov.md: Likewise.
7784 * config/m32c/addsub.md: Likewise.
7785 * config/m32c/m32c.md: Likewise.
7786 * config/m32c/jump.md: Likewise.
7787 * config/m32c/shift.md: Likewise.
7789 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7790 conditionally output the pattern for this.
7791 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7792 (m32c_compare_redundant): New.
7793 (m32c_output_compare): New.
7794 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7796 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7797 dest, not src. Allow other 4-byte modes.
7799 2006-03-30 Denis Chertykov <denisc@overta.ru>
7801 * doc/md.texi: Refer to avr/constraints.md instead of
7804 2006-03-30 Roger Sayle <roger@eyesopen.com>
7806 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7807 signed vs. unsigned comparison failures on some hosts.
7809 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7812 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7813 change to FLOAT_REGS.
7815 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7816 (rs6000_override_options): Use it.
7817 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7818 only for -mabi=spe/no-spe and -mabi=altivec.
7820 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7822 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7825 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7827 * Makefile.in: Rename docdir to gcc_docdir.
7829 2006-03-30 Roger Sayle <roger@eyesopen.com>
7832 * expr.c (emit_group_store): Optimize group stores into a pseudo
7833 register by using a paradoxical subreg to initialize the destination
7834 if the first or last member of the group specifies a "low part".
7836 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7839 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7840 * target.h (struct gcc_target.speculate_insn): Change type of the
7841 second parameter to 'int'.
7842 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7843 the second operand of the DEPS_LIST.
7844 (copy_DEPS_LIST_list): Update reference to the second operand of the
7846 * rtl.h (alloc_DEPS_LIST): Update signature.
7847 * sched-int.h (ds_t): Change typedef to 'int'.
7848 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7850 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7852 * haifa-sched.c (try_ready): Change condition to restore
7853 non-speculative pattern of the instruction.
7854 (process_insn_depend_be_in_spec): Code to keep probability of the
7855 speculative dependence non-decreasing.
7857 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7859 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7860 (single_move_for_movmem): ... this. Also change all uses.
7861 (bfin_expand_strmov): Renamed to...
7862 (bfin_expand_movmem): ... this. Also change all uses.
7863 * config/bfin/bfin.md (movstrsi): Renamed to...
7864 (movstrsi): ...this.
7866 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7868 PR tree-optimization/26830
7870 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7871 (copy_prop_visit_stmt): Remove write-only variable ann.
7872 (init_copy_prop): Check variable loop depth here. Do not simulate
7873 memory-tag and virtual operand PHIs except for store copy prop.
7875 2006-03-30 Richard Guenther <rguenther@suse.de>
7877 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7878 variants with double arguments.
7880 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7882 * genpreds.c (write_tm_constrs_h): Delete variable p.
7883 * genconditions.c (write_header): Add tm-constrs.h to included
7885 * genpeep.c (main): Add toplev.h to included headers.
7886 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7887 (build/genpeep.o): Add toplev.h dependency.
7888 * config/rs6000/constraints.md: Add "W" constraint.
7890 2006-03-29 Roger Sayle <roger@eyesopen.com>
7892 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7893 sizes by correctly testing whether the size fits a host integer.
7894 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7895 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7896 SImode range for the default sizetype and bitsizetype.
7898 2006-03-29 Roger Sayle <roger@eyesopen.com>
7900 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7901 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7902 quickly if the argument is already of the correct type.
7903 Call fold_build1 instead of build1. Tidy up blank lines.
7905 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7907 * genemit.c (main): Add tm-constrs.h to included headers.
7908 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7909 * genpeep.c (main): Add tm-constrs.h to included headers.
7910 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7911 (write_tm_constrs_h): this and write complete file.
7912 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7913 (write_insn_preds_c): Add tm-constrs.h to included headers.
7914 (gen_constrs): New variable.
7915 (parse_option): Parse "-c".
7916 (main): Invoke write_tm_constrs_h.
7917 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7918 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7919 (object_out_file): Add tm-constrs.h dependency.
7920 (insn-emit.o): Same.
7921 (insn-output.o): Same.
7922 (insn-peep.o): Same.
7923 (insn-preds.o): Same.
7924 (insn-recog.o): Same.
7925 (tm-constsr.h): New target.
7926 (s-constrs-h): New target.
7928 * config/rs6000/constraints.md: New file.
7929 * config/rs6000/rs6000.c: Include tm-constrs.h.
7930 (num_insn_constant_wide): Convert to satisfies_constraint.
7931 (rs6000_rtx_costs): Convert to satisfies_constraint.
7932 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7933 (CONST_OK_FOR_LETTER_P): Delete.
7934 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7935 (EXTRA_CONSTRAINT): Delete.
7936 (EXTRA_MEMORY_CONSTRAINT): Delete.
7937 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7938 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7939 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7940 satisfies_constraint.
7942 * config/i386/i386.c: Include tm-constrs.h.
7944 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7946 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7947 * tree-data-ref.c (find_data_references_in_loop,
7948 compute_data_dependences_for_loop): Use pointers to VEC.
7949 (analyze_all_data_dependences): Adjust calls.
7950 * tree-data-ref.h (find_data_references_in_loop,
7951 compute_data_dependences_for_loop): Adjust declarations.
7952 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7953 compute_data_dependences_for_loop.
7955 2006-03-29 Paul Brook <paul@codesourcery.com>
7957 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7960 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7962 PR tree-optimization/26859
7963 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7965 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7966 for the step after fold_convert.
7968 2006-03-29 Paul Brook <paul@codesourcery.com>
7970 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7971 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7973 2006-03-29 Paul Brook <paul@codesourcery.com>
7976 * targhooks.c (default_narrow_bitfield): New fuction.
7977 * targhooks.h (default_narrow_bitfield): add prototype.
7978 * target.h (gcc_target): Add narrow_volatile_bitfield.
7979 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7980 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7981 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7982 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7984 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7986 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7988 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7989 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7990 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7991 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7992 (s390_function_arg_float): Allow SDmode and DDmode values to be
7993 passed in floating point registers.
7994 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7995 check with SCALAR_FLOAT_MODE_P.
7996 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7998 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8000 PR tree-optimization/25985
8001 * tree-ssa-loop-niter.c (number_of_iterations_le,
8002 number_of_iterations_ne): Make comments more precise.
8003 (number_of_iterations_cond): Add only_exit argument. Use the
8004 fact that signed variables do not overflow only when only_exit
8006 (loop_only_exit_p): New.
8007 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8008 number_of_iterations_cond.
8010 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8012 PR tree-optimization/26643
8013 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8016 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8018 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8019 (divsi3_i4_int): Likewise.
8021 2006-03-28 Roger Sayle <roger@eyesopen.com>
8023 * expr.c (emit_group_store): Only create a new pseudo reg if the
8024 quantity it needs to hold isn't already a suitable pseudo.
8026 2006-03-28 Jeff Law <law@redhat.com>
8028 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8029 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8031 2006-03-28 Roger Sayle <roger@eyesopen.com>
8033 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8034 the equivalent ~X & Y, and the symmetry related transformations.
8035 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8036 ~X & Y, and symmetry related transforms.
8038 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8040 Revert my 2006-03-27 patches.
8042 2006-03-28 Roger Sayle <roger@eyesopen.com>
8044 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8045 ~(T1)X, when T1 and T2 are integer types of the same precision
8046 and (T2)X isn't an extension.
8048 2006-03-28 Jeff Law <law@redhat.com>
8050 PR tree-optimization/26796
8051 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8052 need EH edge cleanups rather than purging them immediately.
8053 (eliminate_degenerate_phis): Handle queued EH cleanups.
8055 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8057 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8060 2006-03-27 Roger Sayle <roger@eyesopen.com>
8063 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8064 cast BIT_NOT_EXPR operand to the correct type.
8066 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8068 * tree-loop-linear.c: Don't include varray.h.
8069 (gather_interchange_stats, try_interchange_loops,
8070 linear_transform_loops): Use VEC instead of VARRAY.
8071 * lambda-mat.c: Don't include varray.h.
8072 * tree-chrec.c: Same.
8073 * lambda-trans.c: Same.
8074 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8075 VEC instead of VARRAY.
8076 * tree-vectorizer.h: Idem.
8077 * tree-data-ref.c (dump_data_references,
8078 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8079 initialize_data_dependence_relation, finalize_ddr_dependent,
8080 compute_all_dependences, find_data_references_in_loop,
8081 compute_data_dependences_for_loop, analyze_all_data_dependences,
8082 free_dependence_relation, free_dependence_relations,
8083 free_data_refs): Idem.
8084 * tree-data-ref.h (data_reference_p, subscript_p): New.
8085 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8086 VEC instead of VARRAY.
8087 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8088 (find_data_references_in_loop, compute_data_dependences_for_loop,
8089 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8090 dump_data_dependence_relations, free_dependence_relations,
8091 free_data_refs): Adjust declaration.
8092 (lambda_transform_legal_p): Move declaration here...
8093 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8094 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8095 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8096 vect_analyze_data_refs): Use VEC instead of VARRAY.
8097 * lambda.h (lambda_transform_legal_p): ...from here.
8098 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8099 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8100 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8101 tree-chrec.o): Don't depend on VARRAY_H.
8103 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8105 * rtl.def (Copyright): Update date.
8106 (DEPS_LIST): Change type of the second operand to 'int'.
8107 * target.h (Copyright): Update date.
8108 (struct gcc_target.speculate_insn): Change type of the second parameter
8110 * lists.c (Copyright): Update date.
8111 (alloc_DEPS_LIST): Change signature. Update reference to the second
8112 operand of the DEPS_LIST.
8113 (copy_DEPS_LIST_list): Update reference to the second operand of the
8115 * rtl.h (Copyright): Update date.
8116 (alloc_DEPS_LIST): Update signature.
8117 * sched-int.h (Copyright): Update date.
8118 (ds_t): Change typedef to 'int'.
8119 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8121 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8123 * haifa-sched.c (Copyright): Update date.
8124 (try_ready): Change condition to restore non-speculative pattern
8126 (process_insn_depend_be_in_spec): Code to keep probability of the
8127 speculative dependence non-decreasing.
8129 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8131 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8132 shut up the compiler.
8134 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8136 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8137 to use lib prefix for target.
8138 ($(T)libic_invalidate_array_4-200.a): Likewise.
8139 ($(T)libic_invalidate_array_4a.a): Likewise.
8141 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8142 J"orn Rennecke <joern.rennecke@st.com>
8144 * superh.opt: New file.
8145 * sh.c (boardtype, osruntime): Remove.
8146 * superh.h (SUBTARGET_OPTIONS): Remove.
8147 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8149 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8150 arguments with ^ and/or [].
8152 * config.gcc (sh-*-*): Add quoting to account for quirk of
8154 Replace == with = in enable_incomplete_targets test.
8156 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8157 with MASK_LITTLE_ENDIAN.
8159 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8160 * config/sh/sh.opt: Added to some comments.
8161 * config/sh/superh.h: Removed some chaff.
8163 * config/sh/sh.opt: Add m4-[1234]00* options.
8164 * config/sh/sh.c (sh_handle_option): Likewise.
8165 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8166 (ic_invalidate_array_4-100.o): New rule.
8167 ($(T)libic_invalidate_array_4-100.a): Likewise.
8168 (ic_invalidate_array_4-200.o): Likewise.
8169 ($(T)libic_invalidate_array_4-200.a): Likewise.
8170 (ic_invalidate_array_4a.o): Likewise.
8171 ($(T)libic_invalidate_array_4a.a): Likewise.
8172 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8173 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8175 * config/sh/crt1.asm: Merged in profiling code.
8176 * config/sh/superh.h (STARTFILE_SPEC): Override.
8177 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8178 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8179 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8181 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8182 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8183 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8185 * sh.opt (mpretend-cmove): New option.
8186 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8187 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8188 (movsicc): Add TARGET_PRETEND_CMOVE code.
8190 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8192 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8193 s390_class_max_nregs): New function prototypes.
8194 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8195 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8196 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8197 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8199 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8201 * dwarf2out.c (add_location_or_const_value_attribute): Call
8202 tree_add_const_value_attribute if nothing else works.
8203 (reference_to_unused): New.
8204 (rtl_for_decl_init): Use reference_to_unused to decide whether
8205 to output an initializer.
8207 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8210 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8211 peephole removing spe frob_di_df_2.
8213 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8215 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8216 (subscript_dependence_tester_1): Declared.
8217 (print_dir_vectors, print_dist_vectors): New.
8218 (debug_data_dependence_relation): New.
8219 (dump_data_dependence_relation): Print more details.
8220 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8221 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8222 (save_dist_v, save_dir_v, add_outer_distances,
8223 build_classic_dist_vector_1): New.
8224 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8225 Don't test for lambda_vector_lexico_pos.
8226 (same_access_functions, add_multivariate_self_dist,
8227 add_other_self_distances, dir_from_dist): New.
8228 (build_classic_dir_vector): Replace implementation almost identical to
8229 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8231 (subscript_dependence_tester_1): New.
8232 (subscript_dependence_tester): Handle the lexicographically negative
8233 distance vectors by recomputing the dependence relation.
8234 (compute_affine_dependence): Remove parameter loop_nest_depth.
8235 (compute_self_dependence): Don't call compute_subscript_distance.
8236 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8237 Add a parameter for the loop_nest.
8238 (find_loop_nest_1, find_loop_nest): New.
8239 (compute_data_dependences_for_loop): Compute the loop nest, and give
8240 up if the nest is not well formed.
8241 * tree-data-ref.h (loop_p): New.
8242 (struct data_dependence_relation): Replace size_vect field with
8243 loop_nest, a vec of loops.
8244 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8245 (DDR_LOOP_NEST): New.
8246 (print_dir_vectors, print_dist_vectors,
8247 debug_data_dependence_relation): Declared.
8248 (index_in_loop_nest): New.
8249 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8250 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8253 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8255 * simplify-rtx.c (simplify_relational_operation): Call
8256 simplify_relational_operation_1 even if mode is VOIDmode.
8258 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8260 PR tree-optimization/26804
8261 * tree.h (DECL_CALL_CLOBBERED): New macro.
8262 (tree_decl_common): Add call_clobbered_flag.
8263 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8264 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8265 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8266 (mark_non_addressable): Ditto.
8267 * tree-ssa.c (verify_call_clobbered): New function.
8268 (verify_alias_info): Use it.
8269 * tree-pass.h (pass_reset_cc_flags): New prototype.
8270 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8271 (reset_cc_flags): New function.
8272 * passes.c (init_optimization_passes): Call reset_cc_flags after
8273 initializing referenced_vars.
8275 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8276 Roger Sayle <roger@eyesopen.com>
8279 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8280 to 1.0 for non-real operands. Implement A / A optimization for
8283 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8285 * config/i386/i386.c (size_cost): Correct the comment for
8286 cost of storing fp registers.
8287 (i386_cost): Likewise.
8288 (i486_cost): Likewise.
8289 (pentium_cost): Likewise.
8290 (pentiumpro_cost): Likewise.
8291 (k6_cost): Likewise.
8292 (athlon_cost): Likewise.
8293 (k8_cost): Likewise.
8294 (pentium4_cost): Likewise.
8295 (nocona_cost): Likewise.
8296 (generic64_cost): Likewise.
8297 (generic32_cost): Likewise.
8299 2006-03-24 Denis Chertykov <denisc@overta.ru>
8301 * config/avr/avr-protos.h (extra_constraint): Delete.
8302 (extra_constraint_Q): New declaration.
8303 * config/avr/constraints.md: New file.
8304 * config/avr/avr.md: Include it.
8305 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8306 (TMP_REGNO, ZERO_REGNO): Likewise.
8307 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8308 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8309 (extra_constraint): Delete.
8310 (extra_constraint_Q): Test for memory constraint 'Q'.
8311 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8312 (REG_CLASS_FROM_LETTER): Delete.
8313 (CONST_OK_FOR_LETTER_P): Delete.
8314 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8315 (EXTRA_CONSTRAINT): Delete.
8316 (TMP_REGNO): Delete.
8317 (ZERO_REGNO): Delete.
8319 2006-03-24 Jeff Law <law@redhat.com>
8321 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8322 directly. Call mark_new_vars_to_rename slightly earlier.
8324 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8326 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8328 (gen_compile_unit_die): Use new language types for Objective-C and
8330 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8331 DW_LANG_C_plus_plus.
8334 * config/t-darwin (crt3.o): Work around bug 26840.
8335 * config/darwin-crt3.c: Rewrite.
8336 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8338 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8340 * doc/invoke.texi: Document -femit-class-debug-always
8341 * common.opt: Add -femit-class-debug-always.
8343 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8345 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8346 index and base register.
8347 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8348 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8349 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8350 REGNO_OK_FOR_INDEX_P.
8351 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8353 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8354 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8355 REG_OK_FOR_BASE_P): Definitions removed.
8357 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8360 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8361 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8362 set yet or weren't marked as local yet.
8364 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8366 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8369 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8371 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8372 (rs6000_legitimate_small_data_p): Delete.
8373 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8374 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8375 and make static. Add forward declaration. Update uses.
8376 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8377 of offsettable_memref_p.
8378 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8379 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8381 2006-03-24 Jeff Law <law@redhat.com>
8383 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8384 around bug in immediate-use iterator.
8386 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8389 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8390 or __LITTLE_ENDIAN__.
8392 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8394 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8395 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8396 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8397 * config/sh/sh.opt (mdiv=): Amend description.
8398 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8399 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8400 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8401 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8402 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8403 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8404 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8405 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8406 TARGET_DIVIDE_CALL_FP.
8408 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8410 * haifa-sched.c (choose_ready): Fix type of the local variable.
8411 Move local variables. Add comment.
8412 (check_reg_live): Change signature. Make callable from debugger.
8413 * sched-int.h (check_reg_live): Update signature.
8414 * sched-ebb.c (check_reg_live): Update parameters.
8415 * sched-rgn.c (check_reg_live): Ditto.
8416 (region_head_or_leaf_p): Check pointer before dereferencing.
8417 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8418 before reload on optimization levels below 1.
8420 2006-03-23 Richard Henderson <rth@redhat.com>
8422 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8426 * config/alpha/predicates.md (local_symbolic_operand): Reject
8429 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8432 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8433 expressions which have overflowed constants.
8435 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8437 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8439 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8441 * cfgloopmanip.c (create_loop_notes): Removed.
8442 * final.c (final_scan_insn): Do not handle loop notes.
8443 * jump.c (squeeze_notes): Ditto.
8444 * cfglayout.c (skip_insns_after_block,
8445 duplicate_insn_chain): Ditto.
8446 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8448 * cfgloop.h (create_loop_notes): Declaration removed.
8450 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8452 * varasm.c (output_constant_pool): Restore fnname and fndecl
8454 (assemble_start_function): Adjust call accordingly.
8455 (assemble_end_function): Likewise.
8457 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8460 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8463 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8465 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8468 * system.h (ICE_EXIT_CODE): New macro.
8469 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8470 (diagnostic_action_after_output): Likewise.
8471 * gcc.c (fatal_ice): New function.
8472 (execute): Use it instead of fatal.
8473 (fancy_abort): Likewise.
8474 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8476 2006-03-22 Jeff Law <law@redhat.com>
8478 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8479 iv_analyze_result returning false.
8481 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8483 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8485 2006-03-22 Richard Henderson <rth@redhat.com>
8488 * except.c (duplicate_eh_regions_0): New.
8489 (duplicate_eh_region_1): Duplicate the children of the node as
8490 well as the node itself. Link them up properly.
8491 (duplicate_eh_region_2): Merge into ...
8492 (duplicate_eh_regions): ... here. Take copy_region argument, and
8493 copy only a sub-tree if asked. Simplify copying and fixup.
8494 (eh_region_outer_p): New.
8495 * except.h (duplicate_eh_regions): Update decl.
8496 (eh_region_outer_p): Declare.
8497 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8498 (lower_omp_master): Likewise.
8499 (lower_omp_ordered): Likewise.
8500 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8501 (move_stmt_r): Use it to remap labels. Handle recursion vs
8502 remap_decls_p properly.
8503 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8504 (find_outermost_region_in_block): New.
8505 (new_label_mapper): New.
8506 (move_sese_region_to_fn): Copy eh information to the new function
8508 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8510 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8513 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8515 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8516 into shared libraries.
8518 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8520 * doc/md.texi: Refer to i386/constraints.md instead of
8522 * config/i386/constraints.md: New file, extracted from...
8523 * config/i386/predicates.md: ...here.
8524 * config/i386/i386.md: Include constraints.md.
8526 2006-03-21 Jason Merrill <jason@redhat.com>
8528 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8531 * expr.c (init_block_move_fn): Force default visibility.
8532 (init_block_clear_fn): Likewise.
8533 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8534 * targhooks.c (default_external_stack_protect_fail): Likewise.
8536 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8538 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8539 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8540 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8541 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8542 (loadgp): Use mips_current_loadgp_style.
8543 (loadgp_noshared): New pattern.
8544 (sibcall_internal): Use MIPS_CALL.
8545 (sibcall_value_internal): Likewise.
8546 (sibcall_value_multiple_internal): Likewise.
8547 (call_internal): Likewise.
8548 (call_value_internal): Likewise.
8549 (call_value_multiple_internal): Likewise.
8550 (call_split): Use MIPS_CALL and add an 'S' constraint.
8551 (call_value_split): Likewise.
8552 (call_value_multiple_split): Likewise.
8553 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8554 (-mshared): New option.
8555 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8556 (mips_current_loadgp_style): Declare.
8557 * config/mips/mips.c (mips_classify_symbol): Avoid using
8558 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8559 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8560 TARGET_ABSOLUTE_ABICALLS.
8561 (override_options): Adjust comments. Improve the warning that is
8562 issued when -mabicalls and -G are used together.
8563 (mips_file_start): Remove comment.
8564 (mips_current_loadgp_style): New function.
8565 (mips_gnu_local_gp): New variable.
8566 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8568 (mips_output_function_prologue): Use mips_current_laodgp_style.
8569 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8570 the cprestore instruction.
8571 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8572 live for TARGET_ABSOLUTE_ABICALLS.
8573 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8574 (ASM_SPEC): Pass down -mshared and -mno-shared.
8575 (MIPS_CALL): New macro.
8576 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8578 * doc/invoke.texi (-mabicalls): Update documentation.
8579 (-mshared): Document.
8581 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8583 * config/ia64/unwind-hpux.c: New file.
8584 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8586 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8589 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8591 2006-03-21 Jeff Law <law@redhat.com>
8593 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8594 type conversions of a VR_VARYING source to a wider type.
8596 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8598 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8599 tm_file on Solaris 10 and later.
8600 (sparc64-*-solaris2*): Likewise.
8601 (sparc-*-solaris2*): Likewise.
8602 * config/sol26.h: Rename to config/sol2-6.h.
8603 * config/sol2-10.h: New file.
8605 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8608 * tree-ssa-pre.c (create_component_ref_by_pieces):
8611 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8614 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8615 return it immediately.
8617 2006-03-21 Michael Matz <matz@suse.de>
8619 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8621 (remove_arc, add_arc): Update num_out_arcs member.
8622 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8624 (cache_presence): New function.
8625 (compare_states_for_equiv): New function.
8626 (state_is_differed): Don't take number of outargs, adjust callers.
8627 Use new invariant for speeding up.
8628 (init_equiv_class): Create initial classes based on sorted
8630 (partition_equiv_class): Don't track out_arcs_num.
8631 (evaluate_equiv_classes): Call cache_presence on all states and
8634 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8636 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8637 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8638 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8639 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8641 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8642 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8643 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8644 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8645 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8647 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8648 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8649 (REGNO_REG_CLASS): ARGP is in PREGS.
8650 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8652 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8653 to deal with those addresses.
8654 * addresses.h: New file.
8655 * caller-save.c: Include "addresses.h".
8656 (init_caller_save): Use new base_reg_class function.
8657 * rtl-factoring.c: Include "addresses.h".
8658 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8659 * recog.c: Include "addresses.h".
8660 (preprocess_constraints): Use new base_reg_class function.
8661 * regrename.c: Include "addresses.h".
8662 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8663 functions. Keep track of a new var INDEX_CODE to compute valid
8665 (replace_oldest_value_addr): Likewise.
8666 (replace_oldest_value_mem): Use base_reg_class.
8667 * reload.c: Include "addresses.h".
8668 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8669 (find_reloads): Use new base_reg_class function.
8670 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8671 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8672 all callers and prototype changed.
8673 * reload1.c: Include "addresses.h".
8674 (maybe_fix_stack_asms): Use base_reg_class.
8675 * regclass.c: Include "addresses.h".
8676 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8677 (init_reg_autoinc): Use new base_reg_class function.
8678 (record_reg_classes): Likewise.
8679 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8680 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8681 Use new args to compute necessary class.
8683 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8684 regrename.o, rtl-factoring.o): Update dependencies.
8685 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8686 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8687 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8688 REG_OK_FOR_INDEX_P): Delete documentation.
8690 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8692 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8693 from V7 to V9 for Solaris 7 and above.
8695 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8697 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8698 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8699 argument pointers may not alias any other storage.
8700 * common.opt: Define option -fargument-noalias-anything.
8701 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8702 alias semantics is specified by flag_argument_noalias > 2.
8704 2006-03-20 Jeff Law <law@redhat.com>
8706 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8707 (pass_phi_only_cprop): Declare.
8708 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8710 * tree-ssa-dom.c (degenerate_phi_result): New function.
8711 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8712 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8713 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8714 (eliminate_degenerate_phis): Likewise.
8715 (pass_phi_only_cprop): New pass descriptor.
8716 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8717 support code. Callers updated.
8718 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8719 (store_copy_prop): Likewise.
8720 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8722 2006-03-20 Jason Merrill <jason@redhat.com>
8725 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8726 (push_visibility, pop_visibility): Likewise.
8727 * c-pragma.h: Declare them.
8729 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8731 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8733 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8734 parameter and use get_ebb_head_tail.
8735 (sh_md_init_global): Adjust uses of find_regmode_weight.
8737 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8739 * function.h (struct function) <x_tail_recursion_reentry>:
8740 Rename to x_stack_check_probe_note.
8741 (tail_recursion_reentry): Rename to stack_check_probe_note.
8742 * function.c: Replace tail_recursion_reentry with
8743 stack_check_probe_note everywhere.
8744 (expand_function_start): Only emit a note for
8745 stack_check_probe_note with -fstack-protect.
8746 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8748 * emit-rtl.c (remove_unnecessary_notes): Remove.
8749 (pass_remove_unnecessary_notes): Remove.
8750 * rtl.h (remove_unnecessary_notes): Remove prototype.
8751 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8752 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8753 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8755 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8758 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8759 (valid_in_set): Handle ARRAY_REF.
8760 Change "if min_variant or VH" to asserts.
8761 (create_component_ref_by_pieces): Handle ARRAY_REF.
8762 (create_expression_by_pieces): Likewise.
8763 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8765 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8767 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8768 is operand of switch, not str[0].
8770 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8772 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8773 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8775 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8777 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8778 end of insn_extra_address_constraint declaration.
8780 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8782 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8783 (no-sum-in-toc): Same.
8784 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8786 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8787 NO_FP_IN_TOC for -fPIC instead of mask.
8789 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8790 (BOOT_LDFLAGS): Delete.
8792 * config/rs6000/t-aix52: Same.
8794 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8795 (stmsi[345678]_power): New.
8797 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8799 * config/ia64/ia64.opt: Add empty line to end of file.
8801 2006-03-17 Richard Guenther <rguenther@suse.de>
8804 * builtins.c (get_pointer_alignment): For component style references
8805 adjust alignment to the component type alignment. Make sure
8806 to adjust alignment for component access of constants.
8808 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8810 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8813 2006-03-17 Paul Brook <paul@codesourcery.com>
8815 * doc/install.texi: Docuemnt --with-mode.
8816 * config.gcc: Add --with-mode for arm*-*-*.
8817 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8819 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8821 * sh.c (max_labelno_before_reorg): New variable.
8822 (sh_reorg): Initialize it.
8823 (find_barrier): Check max_labelno_before_reorg before using
8824 label_to_alignment. Take length of explicit alignment insns
8825 into account. When seeing a UNSPECV_CONST_END, return it.
8827 * sh.c (fixup_mova): Set mode of affected label to QImode.
8828 (untangle_mova): New function.
8829 (find_barrier): Use it. Check mode of label before decrementing
8831 (sh_reorg): Likewise.
8832 Set mode of all insns back to VOIDmode.
8834 * sh.c (MOVA_LABELREF): New macro.
8835 (mova_p, fixup_mova, sh_reorg): Use it.
8836 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8837 ADDR_DIFF_VEC matches mova.
8839 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8841 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8842 with ATTRIBUTE_UNUSED.
8844 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8846 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8847 pointer, instead of assuming it is possible to derive the
8848 correct args size from a call insn.
8850 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8852 * rtl.h (CONST_INT_P): Define.
8853 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8854 instead of GET_CODE(x) == CONST_INT.
8855 (vax_rtx_costs): Likewise.
8856 (vax_output_int_move): Likewise.
8857 (vax_output_int_add): Likewise.
8858 (legitimate_constant_address_p): Likewise.
8859 (index_term_p): Likewise.
8860 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8861 * config/vax/vax.md (and<mode>3): Likewise.
8862 (ashrsi3): Likewise.
8864 (movstricthi): Likewise.
8865 (movstrictqi): Likewise.
8866 (rotrsi3): Likewise.
8867 (five unnamed insns): Likewise.
8869 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8871 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8872 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8873 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8874 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8875 Pass to ASM_OUTPUT_DWARF_OFFSET.
8876 * dwarf2out.c (debug_frame_section): New.
8877 (output_call_frame_info): Use debug_frame_section. Pass it to
8878 dw2_asm_output_offset.
8879 (output_die): Pass appropriate section to dw2_asm_output_offset.
8880 (output_compilation_unit_header): Likewise.
8881 (output_pubnames): Likewise.
8882 (output_aranges): Likewise.
8883 (enum dw_val_class): Break dw_val_class_lbl_offset into
8884 dw_val_class_lineptr and dw_val_class_macptr.
8885 (add_AT_lbl_offset): Delete.
8886 (add_AT_lineptr): New.
8887 (add_AT_macptr): New.
8888 (AT_lbl): Expect a lineptr or macptr.
8889 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8890 (attr_checksum): Likewise.
8891 (same_dw_val_p): Likewise.
8892 (size_of_die): Likewise.
8893 (value_format): Likewise.
8894 (output_die): Likewise.
8895 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8897 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8898 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8899 * config/darwin-protos.h (darwin_file_start): New.
8900 (darwin_asm_output_dwarf_offset): New.
8901 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8902 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8904 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8905 if not EH section; simplify.
8906 (darwin_file_start): New.
8907 (darwin_asm_output_dwarf_offset): New.
8908 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8910 (DEBUG_INFO_SECTION): Likewise.
8911 (DEBUG_ABBREV_SECTION): Likewise.
8912 (DEBUG_ARANGES_SECTION): Likewise.
8913 (DEBUG_MACINFO_SECTION): Likewise.
8914 (DEBUG_LINE_SECTION): Likewise.
8915 (DEBUG_LOC_SECTION): Likewise.
8916 (DEBUG_PUBNAMES_SECTION): Likewise.
8917 (DEBUG_STR_SECTION): Likewise.
8918 (DEBUG_RANGES_SECTION): Likewise.
8919 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8920 (ASM_OUTPUT_DWARF_OFFSET): New.
8922 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8924 * config.gcc (tm_defines): Always add to previous value rather
8927 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8929 * config/mips/predicates.md (splittable_const_int_operand): New,
8930 split from move_operand.
8931 (splittable_symbolic_operand): New.
8932 (move_operand): Add commentary. Use splittable_const_int_operand.
8933 Inline mips_atomic_symbolic_constant_p.
8934 * config/mips/mips.md: Add combine splitters for handling moves
8935 of splittable_const_int_operands and splittable_symbolic_operands.
8936 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8937 (mips_split_symbol): Declare.
8938 (mips_move_integer): Declare.
8939 * config/mips/mips.c (mips_split_p): Make global.
8940 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8941 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8942 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8943 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8944 (mips_offset_within_object_p): Handle block symbols.
8945 (mips_atomic_symbolic_constant_p): Delete.
8946 (mips_cannot_force_const_mem): Return false for constants that
8947 mips_legitimize_move can handle.
8948 (mips_use_blocks_for_constant_p): New function.
8949 (mips_split_symbol): Make global.
8950 (mips_move_integer): Likewise. Add a temporary register argument.
8951 (mips_legitimize_const_move): Use splittable_const_int_operand and
8952 splittable_symbolic_operand.
8953 (mips_use_anchors_for_symbol_p): New function.
8954 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8955 (mips_split_p): Declare.
8957 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8959 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8960 (mips*-*-linux*): Likewise.
8962 2006-03-16 Roger Sayle <roger@eyesopen.com>
8963 Daniel Speyer <dspeyer@wam.umd.edu>
8966 * tree-dump.c (dump_real): New function.
8967 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8968 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8969 (tree-dump.o): Add $(REAL_H) to the dependencies.
8971 2006-03-16 Roger Sayle <roger@eyesopen.com>
8974 * real.c (real_from_string): If the mantissa is zero, don't bother
8975 parsing the exponent as the result should always be zero.
8977 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8979 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8981 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8983 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8984 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8985 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8986 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8987 ia64_sched_finish_global): New static functions to implement
8988 hooks from gcc_target.sched.
8989 (spec_check_no, max_uid, pending_data_specs): New static variables.
8990 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8991 ia64_spec_check_src_p): New static functions.
8992 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8993 (TARGET_SCHED_ADJUST_COST): Removed.
8994 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8995 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8996 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8997 TARGET_SCHED_GEN_CHECK,
8998 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8999 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9000 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9001 Fixed to handle speculation checks.
9002 (rtx_needs_barrier): Fixed to handle speculative loads and
9004 (ia64_variable_issue): Added code to count speculative loads and their
9006 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9008 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9010 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9012 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9013 (ia64_reorg): Reset stops_p to NULL after it is freed.
9014 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9015 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9016 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9018 (data_speculative, control_speculative, check_load): New attributes.
9019 (mov<mode>_advanced, mov<mode>_speculative,
9020 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9021 zero_extend<mode>di2_speculative,
9022 zero_extend<mode>di2_speculative_advanced): New patterns for
9023 data and control speculative loads.
9024 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9026 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9027 New pattern for data and control speculation checks.
9028 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9029 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9030 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9031 Auxiliary definitions for the patterns.
9032 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9033 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9035 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9037 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9038 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9039 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9040 New resource constraints.
9041 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9043 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9044 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9045 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9046 msched-in-control-spec, msched-ldc, msched-control-ldc,
9047 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9048 msched-prefer-non-control-spec-insns,
9049 msched-count-spec-in-critical-path): New flags to tune speculative
9051 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9052 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9053 msched-in-control-spec, msched-ldc, msched-control-ldc,
9054 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9055 msched-prefer-non-control-spec-insns,
9056 msched-count-spec-in-critical-path): Document new flags.
9058 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9060 * target.h (struct spec_info_def): New opaque declaration.
9061 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9062 speculate_insn, needs_block_p, gen_check,
9063 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9064 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9065 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9066 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9067 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9068 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9070 (TARGET_SCHED): Use new macros.
9071 * rtl.h (copy_DEPS_LIST_list): New prototype.
9072 * sched-int.h (struct sched_info): Change signature of new_ready field,
9073 adjust all initializations. New fields: add_remove_insn,
9074 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9075 region_head_or_leaf_p.
9076 (struct spec_info_def): New structure declaration.
9077 (spec_info_t): New typedef.
9078 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9079 recovery_block, orig_pat.
9080 (glat_start, glat_end): New variables declaraions.
9081 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9083 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9084 DETACH_LIFE_INFO, USE_GLAT.
9085 (enum SPEC_SCHED_FLAGS): New enumeration.
9086 (NOTE_NOTE_BB_P): New macro.
9087 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9088 attach_life_info, debug_spec_status, check_reg_live): New functions.
9089 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9090 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9092 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9093 * ddg.c (get_block_head_tail): Adjust all uses.
9094 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9095 (sms_sched_info): Initialize new fields.
9096 (contributes_to_priority): Removed.
9097 * haifa-sched.c (params.h): New include.
9098 (get_block_head_tail): Adjust all uses.
9099 (ISSUE_POINTS): New macro.
9100 (glat_start, glat_end): New global variables.
9101 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9102 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9103 old_last_basic_block, before_recovery, current_sched_info_var,
9104 rgn_n_insns, luid): New static variables.
9105 (insn_cost1): New function. Move logic from insn_cost to here.
9106 (find_insn_reg_weight1): New function. Move logic from
9107 find_insn_reg_weight to here.
9108 (reemit_notes, move_insn, max_issue): Change signature.
9109 (move_insn1): Removed.
9110 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9111 extend_bb): New static functions to support extension of scheduler's
9113 (generate_recovery_code, process_insn_depend_be_in_spec,
9114 begin_speculative_block, add_to_speculative_block,
9115 init_before_recovery, create_recovery_block, create_check_block_twin,
9116 fix_recovery_deps): New static functions to support
9117 generation of recovery code.
9118 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9119 restore_bb_notes, move_block_after_check, move_succs): New static
9120 functions to support ebb scheduling.
9121 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9122 functions to support handling of register live information.
9123 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9124 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9125 add_jump_dependencies): New static functions.
9126 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9127 consistancy checking.
9128 (debug_spec_status): New function to call from debugger.
9129 (priority): Added code to handle speculation checks.
9130 (rank_for_schedule): Added code to distinguish speculative instructions.
9131 (schedule_insn): Added code to handle speculation checks.
9132 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9133 Fixed to handle ebbs.
9134 (move_insn): Added code to handle ebb scheduling.
9135 (max_issue): Added code to use ISSUE_POINTS of instructions.
9136 (choose_ready): Added code to choose between speculative and
9137 non-speculative instructions.
9138 (schedule_block): Added code to handle ebb scheduling and scheduling of
9139 speculative instructions.
9140 (sched_init): Initialize new variables.
9141 (sched_finish): Free new variables. Print statistics.
9142 (try_ready): Added code to handle speculative instructions.
9143 * lists.c (copy_DEPS_LIST_list): New function.
9144 * sched-deps.c (extend_dependency_caches): New function. Move logic
9145 from create_dependency_caches to here.
9146 (get_dep_weak, ds_merge): Make global.
9147 * genattr.c (main): Code to output prototype for
9148 dfa_clear_single_insn_cache.
9149 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9150 (output_dfa_clean_insn_cache_func): Code to output
9151 dfa_clear_single_insn_cache function.
9152 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9154 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9156 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9157 New static variables.
9158 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9159 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9161 (ebb_sched_info): Initialize new fields.
9162 (get_block_head_tail): Adjust all uses.
9163 (compute_jump_reg_dependencies): Fixed to use glat_start.
9164 (schedule_ebb): Code to remove unreachable last block.
9165 (schedule_ebbs): Added code to update register live information.
9166 * sched-rgn.c (region_sched_info): Initialize new fields.
9167 (get_block_head_tail): Adjust all uses.
9168 (last_was_jump): Removed. Adjust users.
9169 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9170 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9171 Implement new hooks.
9172 (check_dead_notes1): New static function.
9173 (struct region): New fields: dont_calc_deps, has_real_ebb.
9174 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9175 (BB_TO_BLOCK): Fixed to handle EBBs.
9176 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9177 (ebb_head): New static variable.
9178 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9179 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9181 (compute_dom_prob_ps): New assertion.
9182 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9183 global_live_at_start.
9184 (init_ready_list): New assertions.
9185 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9186 (new_ready): Add support for BEGIN_CONTROL speculation.
9187 (schedule_insns): Fixed code that updates register live information
9189 (schedule_region): Fixed to handle EBBs.
9190 (init_regions): Use extend_regions and check_dead_notes1.
9191 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9192 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9193 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9194 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9195 TARGET_SCHED_GEN_CHECK,
9196 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9197 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9198 * doc/invoke.texi (max-sched-insn-conflict-delay,
9199 sched-spec-prob-cutoff): Document.
9201 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9203 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9204 inter_tick, queue_index.
9205 (struct sched_info): Change signature of init_ready_list field.
9206 Adjust all initializations.
9207 (RESOLVED_DEPS): New access macro.
9208 (ready_add): Remove prototype.
9209 (try_ready): Add prototype.
9210 * sched-rgn.c (init_ready_list): Use try_ready.
9211 (schedule_region): Initialize
9212 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9213 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9214 (init_ready_list): Use try_ready.
9215 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9216 * lists.c (remove_list_elem): Remove `static'.
9217 (remove_free_INSN_LIST_elem): New function.
9218 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9219 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9220 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9222 (readyp): New variable.
9223 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9224 change_queue_index, resolve_dep): New static functions.
9225 (try_ready): New function. Adjust callers in sched-rgn.c and
9226 sched-ebb.c to use it instead of ready_add.
9227 (clock_var): Move at the begining of file.
9228 (rank_for_schedule): Fix typo.
9229 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9230 (ready_lastpos): Enforce assertion.
9231 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9233 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9234 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9235 (queue_to_ready): Use free_INSN_LIST_list.
9236 (early_queue_to_ready): Fix typo.
9237 (schedule_block): Init readyp. Move init_ready_list call after the
9238 initialization of clock_var. Fix error in rejecting insn by
9239 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9240 that previously corrected INSN_TICKs. Add code for handling
9242 (set_priorities): Fix typo.
9243 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9244 Clarify comment and code that keeps current_sched_info->next_tail
9247 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9249 * sched-rgn.c (extend_rgns): New static function.
9250 (find_rgns): Use it.
9251 (gather_region_statistics, print_region_statistics): New static
9253 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9254 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9256 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9257 Andrey Belevantsev <abel@ispras.ru>
9259 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9260 * lists.c (unused_deps_list): New variable.
9261 (free_list): Add assertions to verify the proper distinguishing
9262 between INSN_LISTs and DEPS_LISTs.
9263 (find_list_elem, remove_list_elem, remove_list_node): New static
9265 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9266 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9267 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9268 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9270 (free_INSN_LIST_node): Likewise.
9271 * modulo-sched.c (current_sched_info): Initialize flags field.
9272 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9273 * rtl.def (DEPS_LIST): Define.
9274 * rtl.h: Declare new functions from lists.c.
9275 * sched-deps.c (spec_dependency_cache): New static variable.
9276 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9277 (add_dependence): Change return type to void. Move the logic to ...
9278 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9279 (delete_all_dependences): Add comment about forward_dependency_cache.
9280 Handle spec_dependency_cache. Handle DEPS_LISTs.
9281 (fixup_sched_groups): Clarify the change of priority of output
9282 and anti dependencies.
9283 (sched_analyze_2): Adjust add_dependence calls to create data
9284 speculative dependence.
9285 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9286 Adjust all callers. Handle DEPS_LISTS.
9287 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9288 presence of speculation.
9289 (init_dependency_caches, free_dependency_caches):
9290 Handle spec_dependency_cache.
9291 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9292 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9293 New static functions.
9294 (add_or_update_back_dep, add_or_update_back_forw_dep,
9295 add_back_forw_dep, delete_back_forw_dep): New functions.
9296 * sched-int.h (ds_t, dw_t): New typedefs.
9297 (struct sched_info): Add new field flags.
9298 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9299 Prototype new sched-deps.c functions.
9300 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9301 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9302 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9303 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9304 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9305 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9307 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9309 * sched-rgn.c (current_sched_info): Initialize flags field.
9310 (schedule_insns): Initialize current_sched_info before the sched_init
9312 * sched-ebb.c (current_sched_info): Initialize flags field.
9313 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9314 Call add_or_update_back_dep instead of add_dependence.
9315 Create control speculative dependencies.
9316 (schedule_insns): Initialize current_sched_info before the sched_init
9319 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9321 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9323 (sh_fallback_frame_state): Likewise.
9325 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9327 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9328 Do switch on default_use_cxa_atexit.
9329 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9330 * config/darwin-crt3.o: New.
9331 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9332 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9333 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9335 * config/rs6000/t-darwin: Move crt2.o building to here.
9336 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9337 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9340 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9342 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9343 from '! xxx' to '!xxx' for coding-style conformance.
9344 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9345 (EXTRA_CONSTRAINT): Likewise.
9346 * config/vax/vax.md (four unnamed insns): Likewise.
9348 2006-03-15 Paul Brook <paul@codesourcery.com>
9350 * config/arm/arm.c (minipool_pad): New.
9351 (add_minipool_forward_ref): Include pool alignment padding in address
9353 (push_minipool_fix): Set minipool_pad.
9354 (minipool_pad): Ditto.
9356 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9358 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9359 instead of GET_CODE() == MEM and REG_P() instead of
9361 (print_operand_address): Likewise.
9362 (vax_address_cost): Likewise.
9363 (vax_rtx_costs): Likewise.
9364 (vax_notice_update_cc): Likewise.
9365 (vax_output_int_add): Likewise.
9366 (INDEX_REGISTER_P): Likewise.
9367 (BASE_REGISTER_P): Likewise.
9368 (nonindexed_address_p): Likewise.
9369 (vax_mode_dependent_address_p): Likewise.
9370 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9371 (PRINT_OPERAND): Likewise.
9372 * config/vax/vax.md (ashlsi3): Likewise.
9373 (ashlsi3): Likewise.
9374 (some more unnamed insns): Likewise.
9376 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9378 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9379 iterator-style macro.
9380 (mark_control_dependent_edges_necessary): Update the use of
9381 EXECUTE_IF_CONTROL_DEPENDENT.
9383 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9385 * config/sh/predicates.md (cache_address_operand): Special.
9386 (ua_address_operand): Likewise.
9388 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9390 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9392 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9394 2006-03-15 Andreas Schwab <schwab@suse.de>
9396 * gensupport.c (identify_predicable_attribute): Don't free p_false
9397 when it is still in use.
9399 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9401 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9402 the default setting here.
9404 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9406 * tree-pass.h (pass_cfg): Remove.
9407 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9408 * passes.c (pass_cfg): Don't run it.
9410 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9412 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9413 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9415 (stack_regs_mentioned): Update the uses of
9416 stack_regs_mentioned_data. Don't access the array beyond its
9418 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9419 Don't include gt-reg-stack.h.
9421 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9422 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9424 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9427 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9430 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9432 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9434 2006-03-14 Richard Guenther <rguenther@suse.de>
9436 PR tree-optimization/26672
9437 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9440 2006-03-14 Richard Guenther <rguenther@suse.de>
9442 PR tree-optimization/26667
9443 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9444 node for the callees. Always allow inlining if it will shrink
9447 2006-03-14 Richard Guenther <rguenther@suse.de>
9450 * builtins.c (get_pointer_alignment): Prefer alignment
9451 information from decls over that from types.
9453 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9456 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9458 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9460 * config/rs6000/rs6000.opt (mdlmzb): New option.
9461 (msched-prolog, msched-epilog): Use Var not Mask.
9462 * doc/invoke.texi (-mdlmzb): Document.
9463 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9465 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9466 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9468 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9470 PR rtl-optimization/25739
9471 * bt-load.c (augment_live_range): Free tos pointer.
9473 * gensupport.c (identify_predicable_attribute): Free
9475 * gcov.c (create_file_names): Free name pointer.
9477 2006-03-13 Roger Sayle <roger@eyesopen.com>
9480 * stmt.c (emit_case_nodes): Handle the case where the index is a
9481 CONST_INT, where the comparison mode is specified by the index type.
9483 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9485 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9488 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9490 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9491 (*branch_fp_inverted): Likewise.
9493 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9496 * omp-low.c (expand_omp_for_generic): Mark istart0
9497 and iend0 as addressable.
9499 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9501 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9503 2006-03-13 Jeff Law <law@redhat.com>
9505 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9506 virtual operands are interesting.
9507 (vrp_visit_stmt): Corresponding changes.
9509 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9511 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9513 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9514 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9515 * config/bfin/crti.S: Use it instead of __PIC__.
9516 * config/bfin/crtn.S: Likewise.
9518 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9519 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9521 Lose 'G' modifier for call operand.
9522 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9523 recognize 'G' modifier.
9525 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9528 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9529 * stmt.c (expand_case): Likewise.
9531 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9533 PR rtl-optimization/26254
9534 * loop-invariant.c (seq_insns_valid_p): New function.
9535 (move_invariant_reg): Only emit new code if it is valid.
9537 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9539 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9541 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9542 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9543 (commit_one_edge_insertion): Do not look for loop notes.
9545 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9547 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9548 flag_test_coverage out of loop.
9550 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9552 * final.c (shorten_branches): Remove outdated comment, and turn
9553 the if branch that guards it to continue.
9555 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9557 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9558 * cfgloop.h (struct loop): Remove unused fields.
9560 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9562 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9563 (-dL, -fdump-rtl-loop2): Update the dump file names
9565 * doc/invoke.texi: Update dump file names.
9567 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9569 * predict.c (estimate_probability): Remove.
9570 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9571 * basic-block.h (estimate_probability): Remove prototype.
9572 * passes.c (finish_optimization_passes): Dump branch prediction or
9573 profiling heuristics to the .profile tree dump.
9574 (init_optimization_passes): Unqueue pass_branch_prob.
9576 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9578 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9580 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9581 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9583 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9585 * function.h (frame_offset_overflow): Declare.
9586 * function.c (frame_offset_overflow): New function.
9587 (assign_stack_local_1): Call it to detect that the offset overflows.
9588 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9590 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9592 * config/sh/sh.c: Include alloc-pool.h.
9593 (label_ref_list_pool): New alloc pool.
9594 (label_ref_list_t): New type for lists of labels.
9595 (struct pool_node): Make wend a label_ref_list_t.
9596 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9598 (dump_table): Likewise.
9599 (sh_reorg): Set up the alloc pool before using add_constant and
9600 dump_table, and destroy it when finishing.
9602 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9604 * config/mips/mips.c: Remove redundant comment.
9606 2006-03-10 Jason Merrill <jason@redhat.com>
9609 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9610 the target was declared 'register'.
9612 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9614 * genpreds.c (write_insn_constraint_len): Change definition of
9615 insn_constraint_len to return size_t to match the declaration.
9617 2006-03-10 DJ Delorie <dj@redhat.com>
9619 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9621 (m32c_expand_insv): Fix test for an AND mask.
9623 2006-03-10 Richard Guenther <rguenther@suse.de>
9626 * builtins.c (get_pointer_alignment): Handle component
9627 references for field alignment.
9629 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9631 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9632 when building with libgloss.
9633 (sh*elf): Implement --without-fp option.
9634 (sh64-superh-linux*): Don't multilib.
9636 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9638 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9640 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9642 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9643 Set it when one of the replacement functions returned true.
9644 Return TODO_cleanup_cfg if cfgchanged is true.
9645 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9647 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9649 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9650 instead of gen_lowpart.
9652 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9654 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9656 (mips_output_order_conditional_branch): Declare.
9657 * config/mips/mips.h (MIPS_BRANCH): New macro.
9658 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9659 for the comparison. Use gen_condjump.
9660 (mips_output_conditional_branch): Rework interface to take the
9661 asm templates for a direct branch and the inverse of a direct branch.
9662 (mips_output_order_conditional_branch): New function.
9663 (mips_builtin_branch_and_move): New function.
9664 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9665 branch condition. Use gen_single_cc as the condition for
9666 __builtin_mips_upper_* or __builtin_mips_lower_*.
9667 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9668 Use VOIDmode for the branch condition.
9669 * config/mips/predicates.md (order_operator): New predicate.
9670 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9671 (branch_fp): Rename to...
9672 (*branch_fp): ...this. Remove mode from comparison operator.
9673 Use new mips_output_conditional_branch interface.
9674 (branch_fp_inverted): Rename to...
9675 (*branch_fp_inverted): ...this and update as for *branch_fp.
9676 (*branch_zero<mode>): Rename to...
9677 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9678 Use mips_output_order_conditional_branch. Only accept ordered
9680 (*branch_zero<mode>_inverted): Rename to...
9681 (*branch_order<mode>_inverted): ...this and update as for
9682 *branch_order<mode>.
9683 (*branch_equality<mode>): Accept zero as the second operand to
9684 the equality operator. Use the new mips_output_conditional_branch
9686 (*branch_equality<mode>_inverted): Likewise.
9687 (condjump): New expander.
9688 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9690 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9691 (bc1any2t, bc1any2f): Likewise.
9692 (single_cc): New expander.
9693 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9695 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9697 * doc/md.texi: Update documentation of MIPS constraints.
9698 * config/mips/constraints.md: New file.
9699 * config/mips/mips.md: Include it.
9700 * config/mips/mips.c (mips_char_to_class): Delete.
9701 (override_options): Don't initialize mips_char_to_class.
9702 * config/mips/mips.h (mips_char_to_class): Delete.
9703 (REG_CLASS_FROM_LETTER): Delete.
9704 (CONST_OK_FOR_LETTER_P): Delete.
9705 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9706 (EXTRA_CONSTRAINT_Y): Delete.
9707 (EXTRA_CONSTRAINT_STR): Delete.
9708 (CONSTRAINT_LEN): Delete.
9709 (EXTRA_MEMORY_CONSTRAINT): Delete.
9711 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9713 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9714 original fn's eh regions.
9716 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9718 * fold-const.c (build_range_check): Make sure to use a valid type to
9719 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9722 (range_predecessor): New static function.
9723 (range_successor): Likewise.
9724 (merge_ranges): Use them to compute predecessors and successors of
9727 2006-03-09 Roger Sayle <roger@eyesopen.com>
9730 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9731 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9733 2006-03-08 DJ Delorie <dj@redhat.com>
9735 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9736 (addpsi3): Expand to include memory operands. Remove
9737 reload-specific splits.
9738 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9739 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9740 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9741 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9742 (shift1_qi, shift1_hi, insv): New.
9743 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9744 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9745 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9747 * config/m32c/m32c-protos.h: Update as needed.
9748 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9749 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9750 Fail for unrecognized R* constraints.
9751 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9752 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9753 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9755 (m32c_init_libfuncs): New.
9756 (m32c_legitimate_address_p): Add debug wrapper.
9757 (m32c_rtx_costs): New.
9758 (m32c_address_cost): New.
9759 (conversions): Add 'B' prefix.
9760 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9761 operands, or word regnames for QI operands. 'B' prints bit
9763 (m32c_expand_setmemhi): New.
9764 (m32c_expand_movmemhi): New.
9765 (m32c_expand_movstr): New.
9766 (m32c_expand_cmpstr): New.
9767 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9768 (m32c_expand_neg_mulpsi3): Handle non-ints.
9769 (m32c_cmp_flg_0): New.
9770 (m32c_expand_movcc): New.
9771 (m32c_expand_insv): New.
9772 (m32c_scc_pattern): New.
9773 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9774 a0/a1 out of SIregs.
9775 (STORE_FLAG_VALUE): New.
9776 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9779 * config/m32c/mov.md: Make constraints more liberal.
9780 (zero_extendqihi2): Optimize r0/r1 case.
9781 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9782 * config/m32c/predicates.md (m32c_any_operand): New.
9783 (m32c_nonimmediate_operand): New.
9784 (m32c_hl_operand): New.
9785 (m32c_r3_operand): New.
9788 (memsym_operand): New.
9789 (memimmed_operand): New.
9790 (a_qi_operand): New.
9791 (m32c_eqne_operator): New.
9792 (m32c_1bit8_operand): New.
9793 (m32c_1bit16_operand): New.
9794 (m32c_1mask8_operand): New.
9795 (m32c_1mask16_operand): New.
9796 * config/m32c/blkmov.md: New file.
9797 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9799 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9801 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9802 unsigned to fix signed/unsigned comparison issue in
9803 DWARF2_FRAME_REG_OUT.
9804 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9805 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9807 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9808 of ptr into the ENABLE_CHECKING section.
9810 2006-03-08 Jeff Law <law@redhat.com>
9812 * tree-vrp.c (infer_value_range): Only count pointer uses
9813 and dereferences if -fdelete-null-pointer-checks is enabled.
9815 * tree-vrp.c (find_assert_locations): Infer value ranges for
9816 single use pointers, but do not create ASSERT_EXPRs for them.
9817 When a non-null range is inferred for a pointer, backwards
9818 propagate that range to other equivalent pointers through the
9821 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9824 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9825 language hook targets.
9826 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9827 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9828 if language hook targets were missing.
9830 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9832 * tree-ssa-opfinalize.h: Removed.
9833 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9835 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9836 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9837 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9838 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9839 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9840 finalize_ssa_v_must_def_ops): New.
9842 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9844 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9847 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9849 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9851 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9852 addresses with offsets; reorganize.
9854 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9855 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9856 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9858 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9861 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9863 2006-03-08 Ben Elliston <bje@au.ibm.com>
9865 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9867 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9870 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9873 2006-03-07 Richard Guenther <rguenther@suse.de>
9875 PR tree-optimization/26587
9876 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9878 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9880 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9882 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9884 * hooks.c (hook_bool_mode_rtx_true): New function.
9885 * hooks.h (hook_bool_mode_rtx_true): Declare.
9886 * toplev.c (compile_file): Call output_shared_constant_pool.
9887 * varasm.c (shared_constant_pool): New variable.
9888 (assemble_start_function, assemble_end_function): Remove arguments
9889 from call to output_constant_pool.
9890 (create_constant_pool): New function, split out from...
9891 (init_varasm_status): ...here.
9892 (force_const_mem): Choose between the shared and per-function constant
9893 pools. Set current_function_uses_const_pool when reusing old entries
9894 as well as when creating new ones.
9895 (mark_constant): Ignore data argument.
9896 (mark_constants): Remove pool argument.
9897 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9898 to decide whether the function uses a constant pool.
9899 (output_constant_pool_contents): New function, split out from...
9900 (output_constant_pool): ...here.
9901 (output_shared_constant_pool): New function.
9902 (init_varasm_once): Initialize shared_constant_pool.
9903 * output.h (output_constant_pool): Delete.
9904 (output_shared_constant_pool): Declare.
9905 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9906 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9908 2006-03-06 Nick Clifton <nickc@redhat.com>
9910 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9911 flag_strength_reduce.
9913 2006-03-06 Ben Elliston <bje@au.ibm.com>
9915 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9916 x86_64-*-linux* configurations.
9918 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9919 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9921 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9923 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9925 * basic-block.h: Remove the extern for
9926 rediscover_loops_after_threading.
9928 * cfgloop.c (cancel_loop): Make it static.
9929 * cfgloop.h: Remove the prototype for cancel_loop.
9931 * flow.c (recompute_reg_usage): Make it static.
9932 * rtl.h: Remove the prototype for recompute_reg_usage.
9934 * function.c (use_return_register): Make it static.
9935 * function.h: Remove the prototype.
9937 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9939 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9941 * recog.h: Remove the prototype for
9942 validate_change_maybe_volatile.
9944 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9946 * rtlanal.c (replace_reg): Remove.
9947 * rtl.h: Remove the prototype for replace_reg.
9949 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9951 * regclass.c (reg_scan_update): Remove.
9952 (reg_scan_mark_refs): Remove the last argument.
9953 * rtl.h: Remove the prototype for reg_scan_update.
9955 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9957 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9958 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9959 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9960 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9961 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9962 loop-invariant.c, omp-low.c, opts.c, passes.c,
9963 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9964 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9965 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9966 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9967 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9968 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9970 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9972 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9973 * dwarf2out.h: Remove the prototype for
9974 dwarf2out_add_library_unit_info.
9976 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9978 * tree.c (add_var_to_bind_expr): Remove.
9979 * tree.h: Remove the prototype for add_var_to_bind_expr.
9981 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9983 * regclass.c (n_non_fixed_regs): Remove.
9984 (init_reg_sets_1, globalize_reg): Remove all uses of
9986 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9988 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9990 * rtlanal.c (insns_safe_to_move_p): Remove.
9991 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9993 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9995 * expmed.c (expand_mult_add): Remove.
9996 * expr.h: Remove the prototype for expand_mult_add.
9998 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10000 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10001 and REG_SAVED_VAL_EXP constants.
10002 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10003 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10004 Handle regs stored by value.
10005 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10006 (execute_cfa_program): Handle DW_CFA_val_offset,
10007 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10008 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10009 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10010 (uw_install_context_1): Handle target regs stored by value.
10012 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10014 * tree-sra.c (tree_sra): Return todoflags;
10015 (generate_one_element): Set TODO_update_smt_usage if needed.
10016 (pass_sra): Remove TODO_update_smt_usage.
10017 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10019 (tree_ssa_forward_propagate_single_use_vars): Return
10020 TODO_update_smt_usage if we need to update SMT usage.
10021 (pass_forwprop): Remove TODO_update_smt_usage.
10023 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10025 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10026 (correct_use_link): Remove reference to get_stmt_operands.
10027 (update_stmt_operands): Likewise.
10028 (get_modify_expr_operands): New function factored out of
10029 parse_ssa_operands and get_expr_operands.
10030 Try to create V_MUST_DEFs for LHS by default.
10031 (get_expr_operands) <case MODIFY_EXPR>: Call
10032 get_modify_expr_operands.
10033 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10034 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10035 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10036 get_modify_expr_operands.
10038 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10040 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10041 * tree-flow.h: Remove the prototype for
10042 referenced_var_lookup_if_exists.
10044 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10046 PR rtl-optimization/26345
10048 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10050 2006-03-03 Roger Sayle <roger@eyesopen.com>
10052 PR tree-optimization/26524
10053 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10054 fold_convert to create a constant of the appropriate type.
10056 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10058 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10059 SYMBOL_REF_IN_BLOCK_P.
10060 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10061 of SYMBOL_FLAG_IN_BLOCK.
10062 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10063 instead of SYMBOL_REF_IN_BLOCK_P.
10064 * explow.c (use_anchored_address): Likewise.
10065 * rtl.c (rtx_size): Likewise.
10066 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10067 instead of SYMBOL_FLAG_IN_BLOCK.
10068 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10069 SYMBOL_REF_IN_BLOCK_P.
10070 (assemble_variable): Likewise.
10071 (output_constant_def_contents): Likewise.
10072 (output_constant_pool): Likewise.
10073 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10074 instead of SYMBOL_FLAG_IN_BLOCK.
10075 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10076 SYMBOL_REF_IN_BLOCK_P.
10077 (SYMBOL_REF_BLOCK): Likewise.
10078 (SYMBOL_REF_OFFSET): Likewise.
10079 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10080 SYMBOL_REF_IN_BLOCK_P.
10081 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10082 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10083 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10084 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10086 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10088 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10090 2006-03-02 Roger Sayle <roger@eyesopen.com>
10092 * simplify-rtx.c (simplify_unary_operation): When simplifying
10093 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10094 that we perform the right shift in the appropriate mode, and
10095 then extend or truncate the result to requested mode.
10097 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10099 * gengtype.c (main): Handle double_int type.
10100 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10101 * double-int.c: New file.
10102 * double-int.h: New file.
10103 * system.h: Include doubleint.h.
10104 * Makefile.in (SYSTEM_H): Include double-int.h.
10105 (double-int.o): Add.
10107 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10110 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10113 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10115 * tree-vrp.c (remove_range_assertions): Do not update statements
10118 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10120 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10122 * gcse.c (rest_of_handle_gcse): Ditto.
10123 * except.c (gate_handle_eh): Ditto.
10124 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10125 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10127 2006-03-02 Eric Christopher <echristo@apple.com>
10129 * config/i386/i386.c (machopic_output_stub): Add indirection to
10132 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10136 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10138 Sun Niagara specific optimizations.
10139 * config.gcc: Recognize niagara as target.
10140 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10141 (TARGET_CPU_niagara): Define.
10142 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10143 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10144 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10145 (ASM_CPU_SPEC): Likewise.
10146 (PROCESSOR_NIAGARA): New enum entry.
10147 (REGISTER_MOVE_COST): Handle Niagara.
10148 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10149 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10150 (sparc_override_options): Recognize "niagara", set appropriate
10151 default MASK_* values for it, and align functions to 32-bytes
10152 by default just like ULTRASPARC/ULTRASPARC3.
10153 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10154 (sparc64_initialize_trampoline): Likewise.
10155 (sparc_use_sched_lookahead): Use zero for niagara.
10156 (sparc_issue_rate): Use one for niagara.
10157 * config/sparc/niagara.md: New file.
10158 * config/sparc/sparc.md: Include it.
10159 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10160 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10161 when default cpu is niagara.
10162 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10163 (ASM_CPU_SPEC): Likewise.
10164 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10165 when default cpu is niagara.
10166 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10167 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10168 just like v9/ultrasparc/ultrasparc3.
10169 * doc/invoke.texi: Add documentation for "niagara" and improve
10170 existing documentation for ultrasparc variants.
10172 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10174 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10176 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10178 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10179 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10180 and say that only one is needed.
10181 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10182 * target.h (have_switchable_bss_sections): New hook.
10183 * explow.c (use_anchored_address): Check that the symbol is in a block.
10184 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10185 (bss_noswitch_section): New variables.
10186 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10187 (get_noswitch_section): New function.
10188 (get_block_for_section): Allow SECT to be null.
10189 (unlikely_text_section_p): Use SECTION_STYLE.
10190 (bss_initializer_p): New function.
10191 (get_variable_section): Move earlier in file. Take a new argument,
10192 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10193 Return one of the new *_sections in such cases.
10194 (get_block_for_decl): New function, extracting some logic from
10195 use_blocks_for_decl_p.
10196 (change_symbol_section): Remove in favor of...
10197 (change_symbol_block): ...this new function.
10198 (use_blocks_for_decl_p): Remove checks now performed by
10199 get_block_for_decl.
10200 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10201 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10202 (emit_local, emit_bss, emit_common): ...these new functions.
10203 Return true if the alignment was honored.
10204 (emit_tls_common): New function.
10205 (asm_emit_uninitialised): Delete.
10206 (assemble_variable_noswitch): New function, split out from...
10207 (assemble_variable): ...here. Don't make decisions about common
10208 variables here. Globalize all public decls that go into non-common
10209 sections. Check whether SYMBOL_REF_BLOCK is null.
10210 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10211 (output_constant_pool): Likewise.
10212 (init_varasm_once): Initialize the new section variables.
10213 (have_global_bss_p): New function.
10214 (categorize_decl_for_section): Use bss_initializer_p.
10215 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10216 (place_block_symbol): Assert that the symbol must be in a block.
10217 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10218 (TARGET_INITIALIZER): Include it.
10219 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10220 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10221 (SECTION_MACH_DEP): Bump by two.
10222 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10223 (unnamed_section): Mention SECTION_UNNAMED in comment.
10224 (named_section): Likewise SECTION_NAMED.
10225 (noswitch_section_callback): New type.
10226 (noswitch_section): New structure.
10227 (section): Add a noswitch_section alternative.
10228 (SECTION_STYLE): New macro.
10229 (tls_comm_section, comm_section, lcomm_section): Declare.
10230 (bss_noswitch_section, have_global_bss_p): Declare.
10231 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10232 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10234 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10235 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10238 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10240 * tree-vrp.c (execute_vrp): Return value.
10241 * regrename.c (rest_of_handle_regrename): Ditto.
10242 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10243 * tree-complex.c (tree_lower_complex): Ditto.
10244 (tree_lower_complex_O0): Ditto.
10245 * tracer.c (rest_of_handle_tracer): Ditto.
10246 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10247 * postreload.c (rest_of_handle_postreload): Ditto.
10248 * tree-tailcall.c (execute_tail_recursion): Ditto.
10249 (execute_tail_calls): Ditto.
10250 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10251 * tree.h (init_function_for_compilation): Ditto.
10252 * ipa-cp.c (ipcp_driver): Ditto.
10253 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10254 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10255 * final.c (compute_alignments): Ditto.
10256 (rest_of_handle_final): Ditto.
10257 (rest_of_handle_shorten_branches): Ditto.
10258 (rest_of_clean_state): Ditto.
10259 * omp-low.c (execute_expand_omp): Ditto.
10260 (execute_lower_omp): Ditto.
10261 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10262 * ipa-reference.c (static_execute): Ditto.
10263 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10264 * reorg.c (rest_of_handle_delay_slots): Ditto.
10265 (rest_of_handle_machine_reorg): Ditto.
10266 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10267 * flow.c (recompute_reg_usage): Ditto.
10268 (rest_of_handle_remove_death_notes): Ditto.
10269 (rest_of_handle_life): Ditto.
10270 (rest_of_handle_flow2): Ditto.
10271 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10272 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10273 (do_ssa_store_ccp): Ditto.
10274 (execute_fold_all_builtins): Ditto.
10275 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10276 * modulo-sched.c (rest_of_handle_sms): Ditto.
10277 * ipa-pure-const.c (static_execute): Ditto.
10278 * cse.c (rest_of_handle_cse): Ditto.
10279 (rest_of_handle_cse2): Ditto.
10280 * web.c (rest_of_handle_web): Ditto.
10281 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10282 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10283 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10284 * tree-nrv.c (tree_nrv): Ditto.
10285 (execute_return_slot_opt): Ditto.
10286 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10287 (create_structure_vars): Ditto.
10288 * loop-init.c (rtl_loop_init): Ditto.
10289 (rtl_loop_done): Ditto.
10290 (rtl_move_loop_invariants): Ditto.
10291 (rtl_unswitch): Ditto.
10292 (rtl_unroll_and_peel_loops): Ditto.
10293 (rtl_doloop): Ditto.
10294 * gimple-low.c (lower_function_body): Ditto.
10295 (mark_used_blocks): Ditto.
10296 * tree-ssa-sink.c (execute_sink_code): Ditto.
10297 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10298 (cgraph_early_inlining): Ditto.
10299 * global.c (rest_of_handle_global_alloc): Ditto.
10300 * jump.c (cleanup_barriers): Ditto.
10301 (purge_line_number_notes): Ditto.
10302 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10303 (rest_of_handle_if_after_reload): Ditto.
10304 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10305 (tree_ssa_loop_im): Ditto.
10306 (tree_ssa_loop_unswitch): Ditto.
10307 (tree_vectorize): Ditto.
10308 (tree_linear_transform): Ditto.
10309 (tree_ssa_loop_ivcanon): Ditto.
10310 (tree_ssa_empty_loop): Ditto.
10311 (tree_ssa_loop_bounds): Ditto.
10312 (tree_complete_unroll): Ditto.
10313 (tree_ssa_loop_prefetch): Ditto.
10314 (tree_ssa_loop_ivopts): Ditto.
10315 (tree_ssa_loop_done): Ditto.
10316 * predict.c (tree_estimate_probability): Ditto.
10317 * recog.c (split_all_insns_noflow): Ditto.
10318 (rest_of_handle_peephole2): Ditto.
10319 (rest_of_handle_split_all_insns): Ditto.
10320 * tree-eh.c (lower_eh_constructs): Ditto.
10321 * regmove.c (rest_of_handle_regmove): Ditto.
10322 (rest_of_handle_stack_adjustments): Ditto.
10323 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10324 * function.c (instantiate_virtual_regs): Ditto.
10325 (init_function_for_compilation): Ditto.
10326 (rest_of_handle_check_leaf_regs): Ditto.
10327 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10328 (rest_of_handle_gcse): Ditto.
10329 * ipa-type-escape.c (type_escape_execute): Ditto.
10330 * alias.c (rest_of_handle_cfg): Ditto.
10331 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10332 * profile.c (rest_of_handle_branch_prob): Ditto.
10333 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10334 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10335 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10336 * tree-dfa.c (find_referenced_vars): Ditto.
10337 * except.c (set_nothrow_function_flags): Ditto.
10338 (convert_to_eh_region_ranges): Ditto.
10339 (rest_of_handle_eh): Ditto.
10340 * emit-rtl.c (unshare_all_rtl): Ditto.
10341 (remove_unnecessary_notes): Ditto.
10342 * except.h (set_nothrow_function_flags): Ditto.
10343 (convert_to_eh_region_ranges): Ditto.
10344 * cfgexpand.c (tree_expand_cfg): Ditto.
10345 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10346 * tree-ssa-pre.c (do_pre): Ditto.
10347 (execute_fre): Ditto.
10348 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10349 (rest_of_handle_jump2): Ditto.
10350 * tree-sra.c (tree_sra): Ditto.
10351 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10352 (execute_mudflap_function_decls): Ditto.
10353 * tree-ssa-copy.c (do_copy_prop): Ditto.
10354 (do_store_copy_prop): Ditto.
10355 * ipa-prop.h (ipcp_driver): Ditto.
10356 * cfglayout.c (insn_locators_initialize): Ditto.
10357 * tree-ssa-forwprop.c
10358 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10359 * cfglayout.h (insn_locators_initialize): Ditto.
10360 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10361 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10362 (execute_late_warn_uninitialized): Ditto.
10363 * rtl.h (cleanup_barriers): Ditto.
10364 (split_all_insns_noflow): Ditto.
10365 (purge_line_number_notes): Ditto.
10366 (unshare_all_rtl): Ditto.
10367 (remove_unnecessary_notes): Ditto.
10368 (recompute_reg_usage): Ditto.
10369 (variable_tracking_main): Ditto.
10370 * integrate.c (emit_initial_value_sets): Ditto.
10371 * integrate.h (emit_initial_value_sets): Ditto.
10372 * tree-optimize.c (execute_free_datastructures): Ditto
10373 (execute_free_cfg_annotations): Ditto.
10374 (execute_fixup_cfg): Ditto.
10375 (execute_cleanup_cfg_pre_ipa): Ditto.
10376 (execute_cleanup_cfg_post_optimizing): Ditto.
10377 (execute_init_datastructures): Ditto.
10378 * tree-object-size.c (compute_object_sizes): Ditto.
10379 * combine.c (rest_of_handle_combine): Ditto.
10380 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10381 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10382 (rest_of_handle_reorder_blocks): Ditto.
10383 (rest_of_handle_partition_blocks): Ditto.
10384 * var-tracking.c (variable_tracking_main): Ditto.
10385 * tree-profile.c (tree_profiling): Ditto.
10386 * tree-vect-generic.c (expand_vector_operations): Ditto.
10387 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10388 * sched-rgn.c (rest_of_handle_sched): Ditto.
10389 (rest_of_handle_sched2): Ditto.
10390 * basic-block.h (free_bb_insn): Ditto.
10391 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10392 * tree-cfg.c (execute_build_cfg): Ditto.
10393 (remove_useless_stmts): Ditto.
10394 (split_critical_edges): Ditto.
10395 (execute_warn_function_return): Ditto.
10396 (execute_warn_function_noreturn): Ditto.
10397 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10398 * cfgrtl.c (free_bb_for_insn): Ditto.
10399 * passes.c (execute_one_pass): Run additional
10400 todos returned by execute function.
10401 * tree-pass.h (struct tree_opt_pass): Make execute
10404 2006-03-02 Richard Guenther <rguenther@suse.de>
10406 * tree-ssa-alias.c (find_used_portions): Consider taking
10407 the address as making the variable not write-only.
10409 2006-03-02 Nick Clifton <nickc@redhat.com>
10411 * config.gcc (default_use_cxa_atexit): Extend the description of
10412 this configure variable. Set its default value to "yes" for
10413 Linux, NetBSD and ELF targets on the assumption that they will
10414 use C libraries with the __cxa_atexit function.
10416 2006-03-02 Ben Elliston <bje@au.ibm.com>
10418 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10419 parameter as unused to suppress a build warning.
10421 2006-03-02 Ben Elliston <bje@au.ibm.com>
10423 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10426 2006-03-01 Roger Sayle <roger@eyesopen.com>
10429 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10430 declared name, the weak reference name, and the typeof name.
10431 (__gthrw): Avoid expanding the declared name suffix.
10432 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10434 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10436 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10438 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10439 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10440 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10441 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10442 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10443 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10444 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10445 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10446 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10447 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10448 (DW_END_default, DW_END_big, DW_END_little): New.
10449 (DW_END_lo_user, DW_END_hi_user): Define.
10450 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10451 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10452 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10455 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10457 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10459 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10461 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10463 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10465 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10466 to 'symbol_mem_tag'.
10468 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10471 2006-03-01 Roger Sayle <roger@eyesopen.com>
10473 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10475 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10478 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10479 MACHO_DYNAMIC_NO_PIC_P.
10480 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10482 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10485 * config/darwin-protos.h (darwin_asm_output_anchor):
10487 * config/darwin-sections.def (cstring_section):
10488 Add SECTION_MERGE to the flags.
10489 (literal4_section): Likewise.
10490 (literal8_section): Likewise.
10491 (objc_selector_refs_section): Likewise.
10492 (objc_cls_refs_section): Likewise.
10493 * config/darwin.c (darwin_asm_output_anchor): New
10495 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10497 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10499 Fix PR tree-optimization/26443
10500 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10501 to todo and PROP_tmt_usage to properties_destroyed.
10502 * tree-ssa-ccp.c (pass_ccp): Ditto.
10503 (pass_store_ccp): Ditto.
10504 * tree-ssa-dom.c (pass_dominator): Ditto.
10506 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10508 * tree-ssa-operands.c: Cleanup whitespace.
10509 (get_asm_expr_operands): Move before first invocation.
10510 (get_indirect_ref_operands): Likewise.
10511 (get_tmr_operands): Likewise.
10512 (get_call_expr_operands): Likewise.
10513 (append_def): Likewise.
10514 (append_use): Likewise.
10515 (append_v_may_def): Likewise.
10516 (append_v_must_def): Likewise.
10517 (add_call_clobber_ops): Likewise.
10518 (add_call_read_ops): Likewise.
10519 (add_stmt_operand): Likewise.
10520 (add_virtual_operand): Likewise.
10521 (build_ssa_operands): Likewise.
10523 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10525 PR middle-end/26022
10527 PR middle-end/24437
10528 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10529 with a call expr to ...
10530 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10532 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10534 * tree-vrp.c (extract_range_from_assert): Remove special
10535 handling for types with super-types.
10537 2006-03-01 Ben Elliston <bje@au.ibm.com>
10539 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10540 and powerpc64-*-linux* configurations.
10541 * config/t-dfprules: New file.
10543 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10544 Compile dfp-bit.c from the source directory using -DWIDTH and
10545 $DFP_CFLAGS to control the compilation of that file, rather than
10546 generating width-specific versions in the build directory.
10547 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10548 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10550 2006-02-28 Zack Weinberg <zackw@panix.com>
10552 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10555 2006-02-28 Eric Christopher <echristo@apple.com>
10557 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10558 Set up IN_LIBGCC definition of TARGET_64BIT.
10559 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10561 2006-02-28 Roger Sayle <roger@eyesopen.com>
10563 PR middle-end/14752
10564 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10565 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10566 cases via the construction of "expr != 0".
10568 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10570 * alias.c (alias_invariant, alias_invariant_size): Remove.
10571 (record_base_value): Remove.
10572 (memrefs_conflict_p): Don't look at alias_invariant.
10573 (end_alias_analysis): Don't free it.
10574 * alias.h (record_base_value): Remove prototype.
10576 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10577 Adam Nemet <anemet@caviumnetworks.com>
10579 * rtl.h (truncated_to_mode): Declare it.
10580 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10581 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10582 (RTL_HOOKS_INITIALIZER): Include it.
10583 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10584 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10585 reg_truncated_to_mode.
10586 * rtlanal.c (truncated_to_mode): Define it.
10587 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10589 2006-02-28 Jeff Law <law@redhat.com>
10591 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10592 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10593 the range allowed by TYPE_PRECISION.
10595 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10597 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10599 PR tree-optimization/26419
10600 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10603 2006-02-27 Zack Weinberg <zackw@panix.com>
10605 * doc/md.texi: Fix typo in previous change.
10607 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10611 2006-02-27 Zack Weinberg <zackw@panix.com>
10613 * rtl.def (define_constraint, define_register_constraint)
10614 (define_memory_constraint, define_address_constraint): New MD forms.
10615 * gensupport.c (process_rtx): Put define_constraint etc on the
10617 * genpreds.c (process_define_predicate): Adjust comment. Validate
10618 the name, and call validate_exp to validate the expression.
10619 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10620 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10621 all callers changed.
10622 (validate_exp, needs_variable, struct constraint_data)
10623 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10624 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10625 (const_dbl_constraints, constraint_max_namelen)
10626 (have_register_constraints, have_memory_constraints)
10627 (have_address_constraints, have_address_constraints)
10628 (have_extra_constraints, have_const_int_constraints)
10629 (have_const_dbl_constraints, mangle, add_constraint)
10630 (process_define_constraint, process_define_register_constraint)
10631 (write_enum_constraint_num, write_lookup_constraint)
10632 (write_insn_constraint_len, write_regclass_for_constraint)
10633 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10634 (write_insn_extra_memory_constraint)
10635 (write_insn_extra_address_constraint)
10636 (write_satisfies_constraint_fns): New.
10637 (write_tm_preds_h): If we have new-style constraint definitions,
10638 prototype the functions generated from them, and define the
10639 old constraint interface (still used by generic code) in terms of
10641 (write_insn_preds_c): If we have new-style constraint definitions,
10642 generate all relevant functions from those definitions.
10643 (main): Handle define_constraint etc.
10644 * genoutput.c (struct constraint_data, indep_constraints)
10645 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10646 (mdep_constraint_len): New data structures and functions, defined
10647 #ifdef USE_MD_CONSTRAINTS.
10648 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10649 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10650 use new logic to validate operand constraints against constraint
10652 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10654 * defaults.h: If none of the old-style constraint macros are
10655 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10656 old-style macros; and poison REG_CLASS_FROM_LETTER,
10657 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10659 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10660 * doc/md.texi: Document new constraint-definition mechanism and the
10661 C interface it provides. Remove references to old mechanism
10662 elsewhere in the document.
10663 (Machine Constraints): Use pathnames relative to gcc directory,
10664 i.e. config/ARCH/FILE. Change i386 section to refer to
10665 config/i386/predicates.md; update that section to match docstrings.
10666 * doc/tm.texi: Move all documentation of the old constraint-
10667 definition macros to their own section, clearly mark as obsolete.
10669 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10670 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10672 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10673 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10674 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10675 constraint strings.
10676 (splits and peepholes): Use satisfies_constraint_*.
10677 * config/i386/i386.c (memory_address_length)
10678 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10680 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10682 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10683 scalar operation to be put back into the loop.
10685 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10688 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10689 (extract_cie_info): Handle S flag in augmentation string.
10690 (execute_cfa_program): If context->signal_frame, execute also
10691 fs->pc == context->ra instructions.
10692 (uw_frame_state_for): If context->signal_frame, don't subtract one
10693 from context->ra to find FDE.
10694 (uw_update_context_1): Set context->signal_frame to
10696 (_Unwind_GetIPInfo): New function.
10697 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10698 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10700 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10701 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10702 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10703 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10704 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10705 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10706 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10707 x86_64_fallback_frame_state): Set fs->signal_frame.
10708 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10709 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10710 (frob_update_context): Likewise. Workaround missing S flag in
10711 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10712 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10713 Remove the psw_addr + 1 hack.
10715 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10717 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10718 with aggregates here.
10719 (find_func_aliases): Remove code for &<aggregate> from here.
10721 2006-02-26 Roger Sayle <roger@eyesopen.com>
10723 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10724 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10725 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10726 as (X & C) ne/eq 0.
10728 2006-02-26 Roger Sayle <roger@eyesopen.com>
10730 PR middle-end/19983
10731 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10733 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10735 * opts.c (decode_options): Do not handle flag_strength_reduce.
10736 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10737 and OPT_fstrength_reduce.
10738 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10739 flag_prefetch_loop_arrays for being nonzero.
10740 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10742 (fprefetch-loop-arrays-rtl): Removed.
10743 (flag_prefetch_loop_arrays): Do not specify the value.
10745 * doc/passes.texi: Update documentation of loop optimizer
10747 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10748 -frerun-loop-opt): Remove.
10750 2006-02-26 Richard Guenther <rguenther@suse.de>
10752 PR tree-optimization/26421
10753 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10754 in function calls that are ADDR_EXPRs as using the whole structure.
10756 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10758 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10759 * tree-pass.h (pass_loop_optimize): Remove.
10760 * passes.c (pass_loop_optimize): Never run it.
10761 * toplev.c (backend_init): Don't call init_loop.
10762 * opts.c (flag_loop_optimize_set): Remove.
10763 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10764 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10765 the old RTL loop optimizer when profiling enabled.
10766 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10767 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10768 pre-headers for the sake of the old RTL loop optimizer.
10769 * Makefile.in: Remove all references to loop.o.
10771 * doc/invoke.texi: Remove all references to -floop-optimize
10772 and -frerun-loop-opt.
10774 2006-02-26 Zack Weinberg <zackw@panix.com>
10776 * doc/md.texi (Machine Constraints): Refer to all files with paths
10777 relative to gcc directory (i.e. config/CPU/file). Add missing
10778 @table @code ... @end table to M32C subsection.
10780 2006-02-26 Roger Sayle <roger@eyesopen.com>
10782 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10784 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10786 2006-02-26 Roger Sayle <roger@eyesopen.com>
10787 James A. Morrison <phython@gcc.gnu.org>
10789 PR middle-end/21137
10790 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10791 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10792 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10793 signedness of the shift operation.
10795 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10797 PR tree-optimization/26359
10798 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10800 2006-02-25 Roger Sayle <roger@eyesopen.com>
10802 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10803 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10804 as X == 0, and some symmetry related transformations.
10805 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10807 2006-02-25 Roger Sayle <roger@eyesopen.com>
10809 PR middle-end/23673
10810 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10811 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10812 symmetry related transformations. Fold (X^C1) == C2 as
10815 2006-02-25 Juergen Weigert <jw@suse.de>
10816 Richard Guenther <rguenther@suse.de>
10818 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10820 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10822 * combine.c (gen_lowpart_or_truncate): Call
10823 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10825 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10827 * doc/invoke.texi: Move -fopenmp description to "Options for
10829 Remove reference to -lgomp.
10831 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10833 * doc/install.texi: Require GNU tar version 1.14.
10835 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10837 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10838 * doc/invoke.texi (C++ Dialect Options): Document
10839 -fno-use-cxa-get-exception-ptr.
10840 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10841 * configure: Regenerate.
10842 * c.opt (fuse-cxa-get-exception-ptr): New.
10843 * c-opts.c (c_common_handle_option): Handle
10844 OPT_fuse_cxa_get_exception_ptr.
10845 * c-common.c (flag_use_cxa_atexit): Update documentation.
10846 (flag_use_cxa_get_exception_ptr): New.
10847 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10848 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10850 (C_COMMON_OVERRIDE_OPTIONS): New.
10852 2006-02-24 Roger Sayle <roger@eyesopen.com>
10854 PR middle-end/24952
10855 * combine.c (try_combine): Explicitly check whether GET_CODE is
10856 a SET or a CLOBBER, instead on checking that it isn't a USE.
10858 2006-02-24 Roger Sayle <roger@eyesopen.com>
10860 * fold-const.c (fold_comparison): New subroutine of fold_binary
10861 containing transformations common to both the equality and
10862 ordering relational operators, factored out of fold_binary.
10863 (fold_binary): Separate out the equality operators (EQ_EXPR
10864 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10865 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10866 transformations common to both.
10867 (fold_div_compare): Fix latent bugs in the previously unreachable
10868 LT_EXPR and GE_EXPR cases.
10870 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10872 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10873 decl libname for clog to __clog on AIX.
10875 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10877 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10880 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10881 output traceback table for thunks. Localise rs6000_stack_info call.
10883 2006-02-23 Roger Sayle <roger@eyesopen.com>
10884 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10886 * gthr-posix.h (__gthrw): Fix typo in comment.
10888 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10890 * doc/cpp.texi (Character sets): Document that we do support
10891 input files to be in any character set.
10893 2006-02-23 Jeff Law <law@redhat.com>
10895 * tree.h (PHI_ARG_NONZERO): Remove.
10896 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10897 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10898 node to the new node.
10900 PR tree-optimization/26425
10901 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10902 min/max, then assume its varying.
10904 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10906 PR rtl-optimization/26316
10907 * rtlanal.c (enum may_trap_p_flags): New.
10908 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10909 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10910 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10911 (may_trap_after_code_motion_p): New function.
10912 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10913 (find_invariant_insn): Use may_trap_after_code_motion_p.
10914 * rtl.h (may_trap_after_code_motion_p): Declare.
10916 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10918 * emit-rtl.c (immed_double_const): Cleanup.
10920 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10922 Fix PR tree-optimization/26376
10923 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10926 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10928 PR middle-end/26412
10929 * gimplify.c (omp_add_variable): Guard variable size decl test with
10930 DECL_SIZE (decl) check.
10932 2006-02-23 Richard Guenther <rguenther@suse.de>
10934 PR middle-end/26439
10935 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10936 like aggregate types.
10938 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10940 * configure.ac: Add --with{,out}-long-double-128 configure option.
10941 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10942 * configure: Rebuilt.
10943 * config.in: Rebuilt.
10944 * doc/install.texi (Options specification): Document
10945 --with-long-double-128.
10947 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10948 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10949 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10950 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10952 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10954 * config/s390/s390.c (override_options): Handle
10955 TARGET_DEFAULT_LONG_DOUBLE_128.
10957 * config/alpha/alpha.c (override_options): Handle
10958 TARGET_DEFAULT_LONG_DOUBLE_128.
10960 * config/sparc/sparc.c (sparc_override_options): Handle
10961 TARGET_DEFAULT_LONG_DOUBLE_128.
10963 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10965 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10966 (real-install-headers-tar, real-install-headers-cpio)
10967 (real-install-headers-cp): New targets.
10969 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10971 * tree.h (variable_section): Delete.
10972 * varasm.c (variable_section): Delete.
10974 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10976 * install.texi: Add notes on install.texi2html.
10977 (Building in parallel): Do not use footnotes.
10979 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10982 * doc/install.texi (Configuration): Document --disable-libgomp.
10984 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10986 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10988 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10990 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10991 (vec_extractv2df_0_sse): New.
10993 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10995 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10996 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10997 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10998 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10999 to the result of the expression.
11000 (def_cfa_1): Adjust.
11001 (frame_pointer_cfa_offset): Rename to...
11002 (frame_pointer_fb_offset): ... this. Adjust all uses.
11003 (convert_cfa_to_loc_list): Rename to...
11004 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11005 Pass it on to build_cfa_loc.
11006 (compute_frame_pointer_to_cfa_displacement): Rename to...
11007 (compute_frame_pointer_to_fb_displacement): ... this. New
11008 offset parameter. Use it in computation.
11009 (gen_subprogram_die): Compute cfa_fb_offset with the new
11010 macro, and use it to compute the fb loc list and the
11013 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11015 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11016 replaced with register_operand.
11017 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11018 non-DREG is expensive.
11019 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11020 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11023 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11025 * doc/install.texi2html: Use set -e.
11027 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11029 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11030 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11031 * doc/invoke.texi (-fshared-data): Delete.
11032 * common.opt (fshared-data): Delete.
11033 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11034 (assemble_static_space): Remove #if 0 code.
11035 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11036 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11037 * config/cris/cris.h: Remove FIXME.
11039 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11041 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11044 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11046 PR middle-end/26379
11047 * combine.c (simplify_shift_const_1): Disable nested shifts
11048 optimization for vector shifts.
11050 2006-02-20 Roger Sayle <roger@eyesopen.com>
11052 PR tree-optimization/26361
11053 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11054 of unsigned integer types.
11056 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11058 * tree-chrec.c (eq_evolutions_p): New.
11059 * tree-chrec.h (eq_evolutions_p): Declared.
11060 * tree-data-ref.c: Fix formatting.
11061 (datadep_stats, dependence_stats): New.
11063 (print_direction_vector): New.
11064 (dump_data_dependence_relation): Use print_direction_vector.
11065 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11066 (compute_subscript_distance): Static.
11067 (initialize_data_dependence_relation): Static. Get the number
11068 of loops surrounding the references from the callers, and initialize
11069 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11070 base_object_differ_p analyzers.
11071 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11072 compute_overlap_steps_for_affine_1_2,
11073 analyze_subscript_affine_affine): Count the classified dependences.
11074 Print a message when a test failed.
11075 (can_use_analyze_subscript_affine_affine): New.
11076 (analyze_siv_subscript): Compute the data dependences on symbolic
11077 scevs that verify can_use_analyze_subscript_affine_affine.
11078 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11079 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11080 Handle symbolic scevs.
11081 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11083 (subscript_dependence_tester): Moved...
11084 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11085 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11086 DDR_SIZE_VECT instead of getting it in parameter.
11087 (subscript_dependence_tester): ... here. Take as a parameter
11088 loop_nest_depth. Call build_classic_dist_vector and
11089 build_classic_dir_vector.
11090 (compute_affine_dependence): Update subscript_dependence_tester
11091 parameters. Update datadep_stats counters. Call
11092 compute_subscript_distance.
11093 (compute_self_dependence): Save the dist and dir vectors. Call
11094 compute_subscript_distance.
11095 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11096 (compute_all_dependences): Reorder parameters as they were before
11097 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11098 compute_subscript_distance. Update the use of
11099 compute_affine_dependence and initialize_data_dependence_relation.
11100 (find_data_references_in_loop): Handle COMPONENT_REF.
11101 (compute_data_dependences_for_loop): Initialize dependence_stats.
11102 Don't call build_classic_dist_vector and build_classic_dir_vector.
11103 Update the parameters of initialize_data_dependence_relation and
11104 compute_all_dependences. Print the statistics from datadep_stats.
11105 (analyze_all_data_dependences): Static. Not used until the pass for
11106 checking the data dependences is contributed.
11107 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11108 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11109 (initialize_data_dependence_relation, compute_affine_dependence,
11110 analyze_all_data_dependences, compute_subscript_distance): Removed.
11111 (print_direction_vector): New.
11112 * lambda.h (gcd): ... here.
11113 (lambda_vector_gcd): Moved here from gcd_vector.
11114 * lambda-code.c (gcd, gcd_vector): Removed.
11115 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11116 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11118 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11120 * ipa-type-escape.c: Tidy some comments and white space.
11121 * tree-ssa-operands.c: Likewise.
11123 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11126 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11127 (dump_decl_name): Do not walk the decl tree chains.
11128 * tree-pass.h (TDF_CHAIN): Remove.
11130 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11132 * Makefile.in (C): Remove
11134 (.PHONY): Remove C and PROTO
11136 2006-02-20 Roger Sayle <roger@eyesopen.com>
11138 PR middle-end/26236
11139 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11140 deprecated CHAR_TYPE tree code.
11142 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11144 * configure.ac (target_list): Add install-info, dvi, html.
11145 * configure: Regenerate.
11147 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11148 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11149 treelang/Make-lang.in: Do not use double-colon rules.
11151 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11153 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11154 (TMT_USED_ALONE): New macro.
11155 * tree-pass.h (PROP_tmt_usage): New property.
11156 (TODO_update_tmt_usage): New todo.
11157 * tree-ssa-alias.c (updating_used_alone): New variable.
11158 (recalculate_used_alone): New function.
11159 (compute_may_aliases): Set updating_used_alone, call
11160 recalculate_used_alone.
11161 * tree-sra.c (pass_sra): Note that this pass destroys
11162 PROP_tmt_usage, and add TODO_update_tmt_usage.
11163 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11164 * tree-flow.h (updating_used_alone): Prototype.
11165 (recalculate_used_alone): Ditto.
11166 * passes.c (execute_todo): Add code to set updating_used_alone,
11167 and call recalculate.
11168 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11169 for clobber if used alone, and add assert to verify used_alone
11172 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11174 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11175 for non tls symbols added.
11176 (legitimize_address): Do nothing for PLUS expressions if one of the
11177 addends is a tls symbol reference.
11179 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11183 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11185 * Makefile.in (BOOTSTRAPPING): New.
11186 (quickstrap): New definition if BOOTSTRAPPING=yes.
11188 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11189 * configure.ac: Substitute all_selected_languages with the languages
11190 that were configured. For all the other variables except
11191 lang_specs_files, include all the languages in the tree.
11192 * configure: Regenerate.
11194 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11195 if there is one. Run the commands to run fixincludes in the same
11198 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11199 * doc/install.texi: Document exact conventions for searching target tools.
11200 Document --with-build-time-tools. Document toplevel bootstrap. Document
11201 something more about building an Ada cross-compiler. Don't list GNU Make
11202 requirements which affect all platforms.
11204 2006-02-19 Roger Sayle <roger@eyesopen.com>
11206 PR middle-end/19543
11207 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11208 only equivalent if the have both the same mode and precision.
11210 2006-02-20 Ben Elliston <bje@au.ibm.com>
11212 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11214 2006-02-19 Roger Sayle <roger@eyesopen.com>
11215 Steven Bosscher <stevenb.gcc@gmail.com>
11217 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11218 constant pool references to identify stack mode constants.
11219 * rtlanal.c (constant_pool_constant_p): New predicate to check
11220 whether operand is a floating point constant in the pool.
11221 * rtl.h (constant_pool_constant_p): Prototype here.
11222 * loop.c (scan_loop): Avoid hoisting constants from the constant
11223 pool on STACK_REGS targets.
11224 (load_mems): Likewise.
11225 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11226 loads into x87 registers expensive in terms of register pressure.
11228 2006-02-19 Roger Sayle <roger@eyesopen.com>
11230 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11231 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11233 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11235 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11236 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11238 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11240 * doc/invoke.texi: Document -fipa-pta.
11241 * common.opt: Add ipa-pta option.
11242 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11243 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11244 (do_ds_constraint): Ditto.
11245 (get_constraint_for): Only add to referenced_vars if
11246 referenced_vars exists.
11247 (insert_into_field_list): Rewrite to do this unsorted.
11248 (insert_into_field_list_sorted): Rename old insert_into_field_list
11250 (create_function_info_for): Use insert_into_field_list_sorted.
11251 (create_variable_info_for): Rewrite so it uses unsorted version,
11252 since the field list is sorted.
11253 (intra_create_variable_infos): Only add to referenced_vars if
11254 referenced_vars exists.
11255 (ipa_pta_execute): Init heapvars, and delete when done.
11256 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11258 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11260 * doc/install.texi: Add missing `@samp'.
11262 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11264 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11267 2006-02-18 Mark Wielaard <mark@klomp.org>
11269 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11270 who added new 4.1 features, bug fixes and integration support.
11272 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11275 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11276 MEM for ABI_V4 pic.
11278 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11280 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11281 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11282 (copy_insn_1): Likewise. Don't copy each field individually.
11284 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11286 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11287 * rtl.c (rtx_size): Rename variable to...
11288 (rtx_code_size): ...this.
11289 (rtx_size): New function.
11290 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11291 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11293 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11294 * rtl.h (rtx_code_size): New variable.
11295 (rtx_size): Change from a variable to a function.
11296 (RTX_SIZE): Rename to...
11297 (RTX_CODE_SIZE): ...this.
11300 PR tree-optimization/17106
11301 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11302 (Anchored Addresses): New section.
11303 * doc/invoke.texi (-fsection-anchors): Document.
11304 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11305 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11306 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11307 * hooks.c (hook_bool_mode_rtx_false): New function.
11308 * hooks.h (hook_bool_mode_rtx_false): Declare.
11309 * gengtype.c (create_optional_field): New function.
11310 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11311 SYMBOL_REF_IN_BLOCK_P is true.
11312 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11313 (min_anchor_offset, max_anchor_offset): Likewise.
11314 (use_anchors_for_symbol_p): New hook.
11315 * toplev.c (compile_file): Call output_object_blocks.
11316 (target_supports_section_anchors_p): New function.
11317 (process_options): Check that -fsection-anchors is only used on
11318 targets that support it and when -funit-at-a-time is in effect.
11319 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11320 if the decl doesn't have one.
11321 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11322 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11323 of force_const_mem through use_anchored_address.
11324 (expand_expr_constant): New function.
11325 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11326 calling expand_expr for INDIRECT_REF.
11327 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11328 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11329 * expr.h (use_anchored_address): Declare.
11330 * loop-unroll.c: Don't declare rtx vectors here.
11331 * explow.c: Include output.h.
11332 (validize_mem): Call use_anchored_address.
11333 (use_anchored_address): New function.
11334 * common.opt (-fsection-anchors): New switch.
11335 * varasm.c (object_block_htab, anchor_labelno): New variables.
11336 (hash_section, object_block_entry_eq, object_block_entry_hash)
11337 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11338 (use_blocks_for_decl_p, change_symbol_section): New functions.
11339 (get_variable_section): New function, split out from assemble_variable.
11340 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11341 use_blocks_for_decl_p say so. Use change_symbol_section if the
11342 symbol has already been created.
11343 (assemble_variable_contents): New function, split out from...
11344 (assemble_variable): ...here. Don't output any code for
11345 block symbols; just pass them to place_block_symbol.
11346 Use get_variable_section and assemble_variable_contents.
11347 (get_constant_alignment, get_constant_section, get_constant_size): New
11348 functions, split from output_constant_def_contents.
11349 (build_constant_desc): Create a block symbol if use_object_blocks_p
11350 says so. Or into SYMBOL_REF_FLAGS.
11351 (assemble_constant_contents): New function, split from...
11352 (output_constant_def_contents): ...here. Don't output any code
11353 for block symbols; just pass them to place_section_symbol.
11354 Use get_constant_section and get_constant_alignment.
11355 (force_const_mem): Create a block symbol if use_object_blocks_p and
11356 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11357 (output_constant_pool_1): Add an explicit alignment argument.
11358 Don't switch sections here.
11359 (output_constant_pool): Adjust call to output_constant_pool_1.
11360 Switch sections here instead. Don't output anything for block symbols;
11361 just pass them to place_block_symbol.
11362 (init_varasm_once): Initialize object_block_htab.
11363 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11364 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11365 (place_block_symbol, get_section_anchor, output_object_block)
11366 (output_object_block_htab, output_object_blocks): New functions.
11367 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11368 (TARGET_ASM_OUT): Include it.
11369 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11370 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11371 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11372 (TARGET_INITIALIZER): Include them.
11373 * rtl.c (rtl_check_failed_block_symbol): New function.
11374 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11375 (block_symbol, object_block): New structures.
11376 (rtx_def): Add a block_symbol field to the union.
11377 (BLOCK_SYMBOL_CHECK): New macro.
11378 (rtl_check_failed_block_symbol): Declare.
11379 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11380 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11381 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11382 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11383 * output.h (output_section_symbols): Declare.
11384 (object_block): Name structure.
11385 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11386 (default_use_anchors_for_symbol_p): Declare.
11387 * Makefile.in (RTL_BASE_H): Add vec.h.
11388 (explow.o): Depend on output.h.
11389 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11390 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11391 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11392 (rs6000_use_blocks_for_constant_p): New function.
11394 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11396 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11398 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11401 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11404 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11406 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11410 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11412 PR middle-end/26334
11413 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11414 instead of DECL_REGISTER.
11416 2006-02-18 Olivier Hainque <hainque@adacore.com>
11419 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11421 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11424 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11425 * opth-gen.awk: Handle Var and InverseMask together.
11426 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11427 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11428 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11429 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11431 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11432 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11433 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11434 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11435 LINUX_DYNAMIC_LINKER): Define.
11436 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11437 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11439 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11440 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11441 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11442 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11443 (TARGET_C99_FUNCTIONS): Don't define.
11444 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11445 GLIBC_DYNAMIC_LINKER.
11446 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11447 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11448 GLIBC_DYNAMIC_LINKER64): Define.
11449 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11450 LINUX_DYNAMIC_LINKER64.
11451 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11452 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11453 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11454 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11455 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11456 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11457 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11458 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11459 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11460 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11461 and LINUX_DYNAMIC_LINKER32.
11462 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11463 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11464 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11465 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11466 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11468 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11469 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11470 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11471 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11472 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11473 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11474 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11475 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11476 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11477 LINUX_DYNAMIC_LINKER): Define.
11478 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11479 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11480 GLIBC_DYNAMIC_LINKER64): Define.
11481 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11482 LINUX_DYNAMIC_LINKER64.
11483 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11484 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11485 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11486 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11487 LINUX_DYNAMIC_LINKER): Define.
11488 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11489 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11490 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11491 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11492 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11493 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11494 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11495 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11496 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11497 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11498 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11499 * doc/invoke.texi (-muclibc): Remove caveat about supported
11502 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11504 * doc/cpp.texi (__TIMESTAMP__): Document.
11506 2006-02-17 Roger Sayle <roger@eyesopen.com>
11508 PR middle-end/25600
11509 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11510 C is one less than the width of X (and related transformations).
11511 * simplify-rtx.c (simplify_unary_operation_1): Transform
11512 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11513 depending on STORE_FLAG_VALUE, were C is one less then the
11516 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11518 Fix PR tree-optimization/26341
11519 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11520 about NAME_MEMORY_TAG's.
11522 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11525 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11526 with hardware float support, and software float support. Add fcpy
11527 alternative to hardware patterns. Add alternatives to copy between
11528 general and floating-point registers to the 32-bit pattern.
11529 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11530 secondary reload to load a QI or HI mode constant into a floating
11532 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11533 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11535 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11538 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11540 (load_macho_picbase_di): Likewise.
11542 2006-02-16 Jeff Law <law@redhat.com>
11544 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11545 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11546 (ssa_name_nonzero_p): Likewise.
11547 (get_value_range): Return NULL if VRP is not running.
11548 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11549 VRP routines do not discover a range.
11550 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11551 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11552 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11553 (tree_expr_nonnegative_p): Similarly.
11554 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11555 (restore_nonzero_vars_to_original_value): Remove.
11556 (unsafe_associative_fp_binop): Remove.
11557 (tree_ssa_dominator_optimize): Remove initialization and
11558 finalization of nonzero_vars and nonzero_vars_stack.
11559 (dom_opt_initialize_block): No longer push marker on
11560 nonzero_vars_stack.
11561 (dom_opt_finalize_block): No longer call
11562 restore_nonzero_vars_to_original_value.
11563 (record_equivalences_from_phis): No longer look for
11564 nonzero PHI arguments.
11565 (cprop_into_successor_phis): No longer propagate nonzero
11566 property into PHI arguments. Lose unused argument. Caller
11568 (record_equivalences_from_stmt): No longer record nonzero
11569 values for SSA_NAMEs.
11570 (lookup_avail_expr): No longer use nonzero_vars.
11572 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11573 for sizetype when sizetype is unsigned.
11575 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11577 PR rtl-optimization/25603
11578 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11579 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11580 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11581 with new meaning of SETS.
11583 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11588 * config/linux.opt: New file.
11589 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11590 LINUX_DYNAMIC_LINKER): Define.
11591 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11592 * config.gcc (*-*-linux*): Define extra_options.
11593 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11594 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11595 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11596 GLIBC_DYNAMIC_LINKER.
11597 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11598 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11599 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11600 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11601 * doc/invoke.texi (GNU/Linux Options): New section.
11603 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11605 * config/sparc/sparc.md (setjmp): Rewrite.
11606 (setjmp_32): Delete.
11607 (setjmp_64): Likewise.
11609 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11611 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11614 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11616 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11619 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11621 PR rtl-optimization/26296
11622 * Makefile.in (loop-invariant.c): Add except.h dependency.
11623 * loop-invariant.c: Include except.h.
11624 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11626 2005-02-16 Paul Brook <paul@codesourcery.com>
11628 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11631 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11633 PR rtl-optimization/25636
11634 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11635 when deciding whether an insn is an initializing insn.
11637 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11639 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11640 (tree_code_size): Ditto.
11641 * tree.h (struct tree_memory_tag): Remove parent_var.
11642 (struct tree_struct_field_tag): New.
11645 (union tree_node): Add sft member.
11646 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11648 (create_sft): Add size and offset argument, set SFT_OFFSET and
11650 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11651 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11652 * tree-flow-inline.h (get_subvar_at): Update for
11653 SFT_OFFSET/SFT_SIZE.
11654 (var_can_have_subvars): Ditto.
11655 (overlap_subvar): Ditto.
11656 * print-tree.c (print_node): Print out interesting things for
11658 * tree-flow.h (struct subvar): Remove offset and size members.
11659 * tree-ssa-operands.c (get_expr_operands): Update for
11660 get_indirect_ref_operands changes.
11661 (get_indirect_ref_operands): Call add_virtual_operand instead of
11662 add_stmt_operand. Only recurse on base var if requested.
11663 (access_can_touch_variable): New function.
11664 (add_stmt_operand): Split virtual operand handling into ...
11665 (add_virtual_operand): Here. Add offset, size, and for_clobber
11666 arguments. Prune alias sets.
11667 (add_call_clobber_ops): Call add_virtual_operand.
11669 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11671 PR middle-end/26300
11672 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11674 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11675 than TREE_CODE as index into omp_clause_num_ops array.
11677 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11679 PR rtl-optimization/26184
11680 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11682 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11683 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11684 must_precede, must_follow and tobe_scheduled.
11687 * opts.c (common_handle_option): Free new_option pointer.
11688 * df-core.c (df_analyze): Free postorder pointer.
11690 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11692 * Makefile.in: Fix the examples about the use of stamps
11694 2006-02-15 Michael Matz <matz@suse.de>
11696 PR middle-end/22275
11698 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11699 influenced by maximum_field_alignment or DECL_PACKED.
11700 (update_alignment_for_field): Ditto.
11701 (place_field): Ditto.
11702 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11705 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11707 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11708 (debug_flow_info): Pass it.
11709 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11710 * bb-reorder.c (reorder_basic_blocks): Likewise.
11711 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11712 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11713 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11714 * gcse.c (gcse_main, bypass_jumps): Likewise.
11715 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11716 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11717 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11718 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11719 * rtl.h (dump_flow_info): Adjust prototype.
11720 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11721 * var-tracking.c (variable_tracking_main): Likewise.
11722 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11723 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11726 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11728 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11731 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11733 PR tree-optimization/26209
11734 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11735 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11737 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11739 2006-02-14 Roger Sayle <roger@eyesopen.com>
11741 PR middle-end/23670
11742 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11743 (X,Y) and the corresponding symmetry related transformations.
11744 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11745 (X,Y) and its symmetry related transformations.
11747 2006-02-14 Roger Sayle <roger@eyesopen.com>
11749 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11752 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11754 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11756 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11759 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11760 support COMDAT group.
11761 * configure: Regenerate.
11763 2006-02-14 Roger Sayle <roger@eyesopen.com>
11765 PR middle-end/26279
11766 PR middle-end/26280
11767 PR middle-end/26283
11768 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11770 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11772 Fix PR tree-optimization/26260
11774 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11776 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11777 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11778 * tree-ssa-structalias.c (create_variable_info_for): Use
11779 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11781 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11783 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11785 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11786 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11787 of the ending condition.
11788 * tree-ssa-loop-manip.c: Include params.h.
11789 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11790 tree_unroll_loop): New functions.
11791 * tree-pass.h (pass_loop_prefetch): Declare.
11792 * loop.c (rest_of_handle_loop_optimize): Test for
11793 -fprefetch-loop-arrays-rtl.
11794 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11795 * timevar.def (TV_TREE_PREFETCH): New timevar.
11796 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11797 pass_loop_prefetch): New.
11798 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11799 (cleanup_tree_cfg_loop): Call scev_reset.
11800 * common.opt (fprefetch-loop-arrays-rtl): Add.
11801 * tree-ssa-loop-prefetch.c: New file.
11802 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11803 (new_temp_expr_table): Initialize expr_vars.
11804 (free_temp_expr_table): Cleanup expr_vars.
11805 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11806 expressions from being merged into one.
11807 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11808 (struct tree_niter_desc): Add control, bound and cmp fields.
11809 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11811 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11812 (tree-cfgcleanup.o): Add SCEV_H dependency.
11813 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11814 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11816 2006-02-14 Richard Guenther <rguenther@suse.de>
11818 PR tree-optimization/26258
11819 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11820 in PHI argument processing.
11822 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11824 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11825 new expression in the requested machine mode.
11827 2006-02-13 Roger Sayle <roger@eyesopen.com>
11829 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11830 directly, instead let do_compare_rtx_and_jump handle this for us.
11831 * expr.c (expand_expr_real_1): Likewise.
11832 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11833 before do_jump_by_parts_greater.
11834 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11835 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11837 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11839 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11841 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11843 PR rtl-optimization/26235
11844 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11845 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11848 2006-02-13 Jeff Law <law@redhat.com>
11850 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11853 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11855 PR middle-end/26092
11856 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11857 twice if decl is a builtin. When trying again, call get_callee_fndecl
11858 first to verify it is still a builtin.
11860 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11862 * dwarf2out.c (base_type_die): Don't add AT_name here.
11863 (subrange_type_die): Don't add AT_name here.
11864 (modified_type_die): Rearrange code flow. Do add AT_name here.
11866 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11868 PR rtl-optimization/26247
11869 PR rtl-optimization/26248
11870 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11872 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11874 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11875 * config/fixtfdi.c: Likewise.
11876 * config/fixunstfdi.c: Likewise.
11877 * config/floatditf.c: Likewise.
11879 2006-02-13 Roger Sayle <roger@eyesopen.com>
11881 PR middle-end/24427
11882 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11883 into (X,C2) if C1 is a subset of the bits of C2. Transform
11884 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11886 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11888 2006-02-13 Josh Conner <jconner@apple.com>
11891 * varasm.c (function_section): Check for section name before
11892 calling select_section on targets that define
11893 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11894 unlikely_text_section instead of hot_function_section if
11895 first_function_block_is_cold.
11897 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11899 PR middle-end/25335
11900 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11902 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11904 PR rtl-optimization/26222
11905 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11906 after tree->rtl expansion.
11907 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11908 before passing it to emit_move_insn.
11910 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11912 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11914 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11915 Clarify documentation.
11916 * c-common.h (warn_write_strings): Remove.
11917 * c-common.c (warn_write_strings): Likewise.
11918 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11921 2006-02-12 Roger Sayle <roger@eyesopen.com>
11923 PR middle-end/25724
11924 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11925 (do_jump_parts_zero_rtx): New function renamed from
11926 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11927 (do_jump_parts_equality_rtx): New function split out from
11928 do_jump_parts_equality. Old implementation renamed as above.
11929 Call do_jump_parts_zero_rtx if either operand is zero.
11930 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11931 do all of the heavy lifting.
11932 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11933 calling either do_jump_by_parts_greater_rtx or
11934 do_jump_by_parts_equality_rtx.
11935 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11936 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11937 moved to do_compare_rtx_and_jump, call it directly.
11938 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11939 mode argument. Call do_compare_rtx_and_jump.
11940 (emit_case_nodes): Update calls to do_jump_if_equal.
11942 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11944 PR rtl-optimization/26225
11945 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11947 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11949 PR rtl-optimization/26232
11950 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11952 2006-02-11 Jason Merrill <jason@redhat.com>
11955 * tree-inline.c (declare_return_variable): Just don't use the
11956 modify target if it's a gimple complex reg and the return slot
11959 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11961 * doc/contrib.texi: Update my entry.
11963 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11965 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11967 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11969 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11972 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11974 * doc/invoke.texi (-floop-optimize2): Removed.
11975 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11976 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11977 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11978 * common.opt (floop-optimize2): Removed.
11979 (fmove-loop-invariants): Enabled by default.
11981 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11983 * tree-if-conv.c (combine_blocks): Free the result of
11984 get_loop_exit_edges.
11986 2006-02-10 Jeff Law <law@redhat.com>
11988 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11990 PR tree-optimization/26213
11991 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11992 loop trying to follow SSA_NAME_VALUE chains.
11994 2006-02-10 Richard Guenther <rguenther@suse.de>
11996 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11997 deal with structures that end in implicitly variable sized arrays.
11999 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12001 PR rtl-optimization/24762
12002 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12005 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12007 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12008 (struct ivopts_data): Add regs_used field.
12009 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12010 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12011 instead of loop_data->regs_used;
12012 (free_loop_data): Do not free aux fields for loops.
12013 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12014 and tree_ssa_iv_optimize_finalize.
12016 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12018 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12020 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12023 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12024 computing the effective result type.
12026 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12028 PR inline-asm/16194
12029 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12030 (tree_overlaps_hard_reg_set): Declare.
12031 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12032 type and signature to match function type expected by walk_tree.
12033 (tree_overlaps_hard_reg_set): New function.
12034 (decl_conflicts_with_clobbers_p): Rename to:
12035 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12036 Use tree_overlaps_hard_reg_set. Changed caller.
12037 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12038 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12039 * cris.c (cris_md_asm_clobbers): Likewise.
12041 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12043 * reload1.c (emit_input_reload_insns): Delete code that tries to
12044 inherit using find_equiv_reg.
12046 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12048 * c-common.h (flag_const_strings): Don't declare.
12049 * c-common.c (flag_const_strings): Remove.
12050 * c.opt (fconst_strings): Remove.
12051 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12052 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12053 (c_common_init_options): Don't set flag_const_strings.
12054 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12056 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12058 * arm.md (tlobits_cbranch): New pattern.
12059 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12060 testing a single bit.
12062 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12065 * tree-ssa-pre.c (create_component_ref_by_pieces):
12066 Handle RETURN_DECL like VAR_DECL.
12068 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12070 PR middle-end/26134
12071 * fold-const.c (fold_indirect_ref_1): Fold
12072 "*(foo *)&complexfoo" to "__real__ complexfoo"
12073 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12075 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12077 * tree-flow-inline.h (var_can_have_subvars):
12078 Volatile variables should not have subvariables.
12080 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12083 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12084 multiplying unsigned values.
12087 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12089 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12091 2006-02-08 Jason Merrill <jason@redhat.com>
12094 * tree.def: Elaborate on difference from MODIFY_EXPR.
12095 * doc/c-tree.texi (INIT_EXPR): Likewise.
12096 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12097 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12098 (gimplify_target_expr): Likewise.
12099 (gimplify_cond_expr): Remove target handling.
12100 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12101 (gimplify_expr): Clobber it here.
12102 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12103 Do return slot optimization if we have an INIT_EXPR.
12106 * tree-inline.c (declare_return_variable): Also clear
12107 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12110 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12112 PR middle-end/22439
12113 * gimplify.c (gimplify_one_sizepos): Fix typo.
12115 2006-02-08 Jeff Law <law@redhat.com>
12117 PR tree-optimization/21417
12118 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12119 across a backedge if the control statement at the end of the
12120 block is data dependent on other statements in the same block.
12121 (record_temporary_equivalences_from_stmts): Remove over-conservative
12122 test for threading across backedges.
12124 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12125 control statement, handle all three special cases in the same
12126 manner as they all have the same desired solution. No longer
12127 special case edge flag updating when the post dominator is
12130 2006-02-08 Roger Sayle <roger@eyesopen.com>
12132 * tree.def (CHAR_TYPE): Remove.
12133 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12134 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12135 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12136 (gen_string_type_die): Delete unreachable function.
12138 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12139 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12140 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12141 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12142 * builtins.c (type_to_class): Likewise.
12143 * fold-const.c (fold_convert, build_range_check,
12144 merge_ranges): Likewise.
12145 * expr.c (count_type_elements): Likewise.
12146 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12147 * stor-layout.c (layout_type): Likewise.
12148 * ipa-type-escape.c (type_to_consider): Likewise.
12149 * gimplify.c (omp_firstprivatize_type_sizes,
12150 gimplify_type_sizes): Likewise.
12151 * explow.c (promote_mode): Likewise.
12152 * tree-sra.c (is_sra_scalar_type): Likewise.
12153 * varasm.c (output_constant): Likewise.
12154 * tree-inline.c (remap_type_1): Likewise.
12155 * convert.c (convert_to_pointer, convert_to_real,
12156 convert_to_integer, convert_to_complex): Likewise.
12158 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12160 * df-scan.c (df_def_record_1): A set destination may
12161 be a parallel regardless of mode.
12163 2006-02-08 Roger Sayle <roger@eyesopen.com>
12166 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12167 * config/mips/_tilib.c: Remove.
12168 * config/fixtfdi.c: New libgcc source file.
12169 * config/fixunstfdi.c: New source file.
12170 * config/floatditf.c: New source file.
12171 * config/floatunditf.c: New souce file.
12172 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12173 files above instead of config/mips/_tilib.c.
12174 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12176 2006-02-08 Jeff Law <law@redhat.com>
12178 PR tree-optimization/26169
12179 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12182 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12184 * df.h (DF_REG_SIZE): Return the length of the initialized
12187 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12189 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12190 __muldf3): Return a correctly signed zero.
12192 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12194 * passes.c (register_one_dump_file): Accept the current properties
12195 instead of pass number. Adjust call to dump_register. Remove
12197 (register_dump_files): Now a wrapper around...
12198 (register_dump_files_1): ... this one. Do not modify the pass
12200 (next_pass_1): Cosmetic fix.
12201 (execute_todo): Keep second parameter only. Use curr_properties
12202 instead of fetching it from the pass structure. Check and set
12204 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12205 instead of fetching it from the pass structure. Fix calls to
12206 execute_todo. Update curr_properties and initialize .vcg RTL dump
12207 after running the pass. Reset last_verified.
12208 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12210 (FIRST_AUTO_NUMBERED_DUMP): New.
12211 (dump_register): Remove "num" parameter, assign it within the
12213 (get_dump_file_name): Modify template for dumps.
12214 * tree-dump.h (dump_register): Adjust prototype.
12215 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12216 (PROP_trees): Add PROP_gimple_lomp.
12217 (TODO_set_props): New.
12218 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12219 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12220 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12222 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12224 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12225 (sparc64-*-linux*): Likewise.
12226 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12227 * config/sparc/t-linux: New file.
12228 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12229 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12230 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12231 -m32 -mlong-double-128.
12233 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12234 * config/alpha/t-linux: New file.
12235 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12237 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12238 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12239 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12240 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12241 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12242 (CPP_ARCH32_SPEC): Remove.
12244 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12246 PR tree-optimization/26145
12247 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12250 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12253 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12254 >= 240000 when generating code for SOM runtime.
12255 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12256 to $$dyncall when generating code for SOM runtime..
12258 2006-02-07 Dirk Mueller <dmueller@suse.com>
12261 * doc/invoke.texi (-Wsequence-point): Update documentation
12262 that -Wsequence-point is implemented for C++ as well.
12264 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12266 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12267 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12268 (LIB_SPEC): Likewise.
12269 * doc/invoke.texi (SPARC options): Document -pthread.
12271 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12273 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12276 2006-02-07 Roger Sayle <roger@eyesopen.com>
12278 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12279 Correct comment describing BOOLEAN_TYPE.
12281 2006-02-07 Dirk Mueller <dmueller@suse.com>
12283 * c.opt: C++ frontend supports -Wdiv-by-zero.
12284 * c-opts.c (c_common_handle_option): Remove dead case.
12286 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12288 * configure.ac (TLS assembler check): Do not enable TLS by
12289 default on SPARC/Solaris before version 10.
12290 * configure: Regenerate.
12292 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12294 * doc/invoke.texi (xl-compat): Document conversion and support
12297 2006-02-07 Jeff Law <law@redhat.com>
12299 * tree-vrp.c (find_conditional_asserts): Update comments.
12300 (simplify_stmt_for_jump_threading): New.
12301 (identify_jump_threads, finalize_jump_threads): New.
12302 (vrp_finalize): Call identify_jump_threads.
12303 (execute_vrp): Call finalize_jump_threads.
12304 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12305 (vrp_element, vrp_data, vrp_element_p): Remove.
12306 (vrp_hash_elt, vrp_variables_stack): Remove.
12307 (vrp_hash, vrp_eq, record_range): Remove.
12308 (simplify_cond_and_lookup_avail_expr): Remove.
12309 (extract_range_from_cond): Remove.
12310 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12311 (simplify_stmt_for_jump_threading): New.
12312 (dom_thread_across_edge): New wrapper.
12313 (tree_ssa_dominator_optimize): No longer initialize or
12314 finalize any of the VRP datastructures. Remove iteration
12315 step and simplify as a result of removal of iteration step.
12316 (pass_dominator): Perform a cfg cleanup after DOM.
12317 (dom_opt_finalize_block): Use the new common routines
12318 for threading jumps. Simplify stack management slightly.
12319 No longer need to unwind VRP state.
12320 (record_equivalences_from_incoming_edge): No longer record
12322 (eliminate_redundant_computations): No longer call
12323 simplify_cond_and_lookup_avail_expr.
12324 * tree-flow.h (potentially_threadable_block): Prototype.
12325 (thread_across_edge): Likewise.
12326 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12327 (tree-ssa-threadedge.o): Add dependencies.
12328 * tree-ssa-threadedge.c: New file.
12329 * passes.c (init_optimization_passes): Merge PHIs before
12330 calling VRP. Run VRP again late in the SSA optimization pipeline.
12332 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12334 * df-core.c (df_set_blocks): Do not dereference function pointers.
12335 (df_finish1): Likewise.
12336 (df_hybrid_search_forward): Likewise.
12337 (df_hybrid_search_backward): Likewise.
12338 (df_iterative_dataflow): Likewise.
12339 (df_analyze_problem): Likewise.
12340 (df_compact_blocks): Likewise.
12341 (df_dump): Likewise.
12342 * df-scan.c (df_rescan_blocks): Likewise.
12343 (df_record_entry_block_defs): Likewise.
12345 * genconditions.c (write_conditions): Guard the definition of
12346 'insn_conditions' with the check on GCC version.
12347 (write_writer): Guard the traversal 'insn_conditions' with
12348 the check on GCC version.
12350 2006-02-07 Richard Guenther <rguenther@suse.de>
12354 2006-01-30 Richard Guenther <rguenther@suse.de>
12356 * gimplify.c (gimplify_target_expr): Handle easy cases
12357 without creating a temporary.
12359 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12361 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12362 use of float in probability computations. Use edge probabilities
12363 in place of statically computed probabilities.
12364 (min_spec_prob): New static variable.
12365 (schedule_insns): Initialize it.
12366 (GET_SRC_PROB): Removed.
12367 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12369 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12372 * config/ia64/unwind-ia64.c: Revert last change.
12373 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12374 (INCOMING_FRAME_SP_OFFSET): Define.
12376 2006-02-06 Roger Sayle <roger@eyesopen.com>
12378 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12380 2006-02-07 Ben Elliston <bje@au.ibm.com>
12382 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12383 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12384 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12385 (ix86_return_in_memory): Handle TDmode.
12386 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12387 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12389 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12391 * reorg.c (dbr_schedule): Use dump_file instead of file.
12393 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12396 * config/ia64/predicates.md (extr_len_operand): New predicate.
12397 * config/ia64/ia64.md (extv): Tighten constraints.
12399 (*tbit_and_2): Ditto.
12400 (*tbit_and_3): Ditto.
12401 (*tbit_or_2): Ditto.
12402 (*tbit_or_3): Ditto.
12403 (*bit_zero): Ditto.
12406 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12409 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12411 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12413 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12414 loop_optimizer_init and loop_optimizer_finalize
12415 * tree-ssa-sink.c (execute_sink_code): Ditto.
12416 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12417 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12418 tree_ssa_loop_done): Ditto.
12419 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12420 * sched-ebb.c: Include output.h.
12421 (schedule_ebbs): Do not use dump argument.
12422 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12423 * loop.c (loop_dump_stream): Removed.
12424 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12426 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12427 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12428 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12429 loop_iterations, strength_reduce, record_biv, record_giv,
12430 final_giv_value, check_final_value, check_ext_dependent_givs,
12431 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12432 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12433 dump_file instead of loop_dump_stream.
12434 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12435 argument dump_file.
12436 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12438 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12439 * haifa-sched.c: Include output.h
12440 (schedule_insns, sched_init): Do not use dump argument.
12441 * mode-switching.c (optimize_mode_switching): Ditto.
12442 * modulo-sched.c (stats_file): Removed.
12443 (print_node_sched_params): Do not call argument dump_file.
12444 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12445 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12447 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12449 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12450 rtl_loop_init, rtl_loop_done): Ditto.
12451 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12452 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12454 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12455 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12456 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12457 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12458 * emit-rtl.c (renumber_insns): Ditto.
12459 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12460 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12461 * regclass.c (regclass): Ditto.
12462 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12463 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12464 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12465 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12467 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12468 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12470 * gcse.c (gcse_file, debug_stderr): Removed.
12471 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12472 rest_of_handle_gcse): Do not use dump argument.
12473 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12474 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12475 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12476 compute_code_hoist_vbeinout, compute_code_hoist_data,
12477 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12478 compute_store_table, build_store_vectors, insert_insn_start_bb,
12479 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12480 store_motion): Use dump_file instead of gcse_file.
12481 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12482 * profile.c (profile_dump_file): Removed.
12483 (branch_prob): Use dump_file instead of profile_dump_file.
12484 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12486 * tree-ssa-copy.c (dump_copy_of): Ditto.
12487 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12488 dump file to life_analysis.
12489 * bt-load.c (branch_target_load_optimize): Ditto.
12490 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12492 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12493 regclass, dbr_schedule): Declaration changed.
12494 * sched-int.h (sched_init): Declaration changed.
12495 * tree-profile.c (tree_profile_dump_file): Removed.
12496 (tree_profile_hooks): Removed profile_dump_file hook.
12497 * rtl-profile (rtl_profile_dump_file): Removed.
12498 (rtl_profile_hooks): emoved profile_dump_file hook.
12499 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12501 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12502 * tree-cfg.c (build_tree_cfg): Ditto.
12503 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12504 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12505 Declaration changed.
12506 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12507 life_analysis and schedule_insns.
12508 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12510 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12512 * config/mips/mips.c (mips_reorg): Ditto.
12513 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12516 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12518 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12519 (s390_mangle_fundamental_type): New.
12520 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12523 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12524 (alpha_mangle_fundamental_type): New.
12525 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12528 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12530 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12532 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12533 (sparc_mangle_fundamental_type): New.
12535 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12537 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12538 (s390x-*-linux*): Likewise.
12539 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12540 * config/s390/t-linux: New file.
12542 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12544 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12545 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12547 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12549 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12550 (ANTIC_SAFE_LOADS): New macro.
12551 (find_or_generate_expression): Add prototype.
12552 (set_contains_value): Allow null set for sake of not always having
12553 to allocate ANTIC_SAFE_LOADS.
12554 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12555 Allow COMPONENT_REF too.
12556 (valid_in_set): Allow COMPONENT_REF.
12557 Check ANTIC_SAFE_LOADS too.
12558 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12559 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12561 (can_PRE_operation): Add COMPONENT_REF.
12562 (create_component_ref_by_pieces): New function.
12563 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12564 (insert_aux): Move AGGREGATE_TYPE_P check here.
12565 (compute_avail): Set bb local stmt uids.
12566 (pass_pre): Use TODO_update_ssa_only_virtuals.
12568 2006-02-06 Ben Elliston <bje@au.ibm.com>
12570 * configure.ac: Unconditionally disable decimal float by default.
12571 * configure: Regenerate.
12573 2006-02-06 Ben Elliston <bje@au.ibm.com>
12575 * read-rtl.c (read_name): Terminate reading on EOF.
12577 2006-02-06 Ben Elliston <bje@au.ibm.com>
12579 * dfp.c (decimal_real_arithmetic): Change second argument type
12580 from int to enum tree_code. Do not always return true, but now
12581 return result of any call to decimal_do helper functions.
12582 * dfp.h (decimal_real_arithmetic): Update prototype.
12584 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12586 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12588 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12591 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12594 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12596 * tree-vrp.c (cfg_loops): Removed.
12597 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12598 Use current_loops instead of cfg_loops. Pass flags to
12599 loop_optimizer_init.
12600 * cfgloopmanip.c (fix_loop_structure): Update only available
12602 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12603 loop_optimizer_init.
12604 * modulo-sched.c (build_loops_structure): Removed.
12605 (sms_schedule): Use loop_optimizer_init.
12606 * loop-init.c (loop_optimizer_init): Use flags to determine
12607 which properties of loops to prepare.
12608 (rtl_loop_init): Pass flags to loop_optimizer_init.
12609 * tree-ssa-sink.c (execute_sink_code): Ditto.
12610 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12611 * tree-ssa-pre.c (init_pre): Ditto.
12612 * cfgloop.h (LOOPS_NORMAL): New.
12613 (loop_optimizer_init): Declaration changed.
12615 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12617 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12618 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12620 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12622 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12624 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12625 * pa/t-pa64: Delete quadlib.c rule.
12626 * pa/x-ada: Revert last change.
12627 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12629 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12631 PR rtl-optimization/26087
12632 * rtlanal.c (canonicalize_condition): Do not cross basic block
12635 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12638 * config/ia64/ia64.c: Include debug.h.
12639 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12640 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12641 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12642 (process_epilogue, process_set, process_for_unwind_directive):
12643 Output unwind info only if requested. Add CFA info if requested.
12644 Add new arguments as needed. Adjust callers.
12645 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12647 (DWARF2_FRAME_INFO): Define to zero.
12648 * config/ia64/unwind-ia64.c: Remove code that compensated for
12649 the CFA offset error fixed above.
12650 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12651 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12652 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12653 -funwind-tables and -fexceptions to enable frame info.
12654 (dwarf2out_frame_init): Define initial CFA even if
12655 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12656 DWARF2_UNWIND_INFO is nonzero, not just defined.
12657 (dwarf2out_frame_finish): Output non-EH call frame info only
12658 if DWARF2_FRAME_INFO is nonzero.
12659 (convert_cfa_to_loc_list,
12660 compute_frame_pointer_to_cfa_displacement): Define even if
12661 unwind info is not supported.
12662 (gen_subprogram_die): Use the above unconditionally. Remove
12663 legacy alternate code.
12664 * toplev.c (compile_file): Compile in call to
12665 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12666 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12668 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12669 Jakub Jelinek <jakub@redhat.com>
12671 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12672 IBM extended float format long double as "g" on powerpc*-linux.
12674 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12677 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12678 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12680 2006-02-03 Jason Merrill <jason@redhat.com>
12683 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12685 PR middle-end/25977
12686 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12687 on the return slot if it's an NRV.
12689 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12691 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12692 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12693 rewrite_use): Do not handle USE_OUTER.
12694 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12695 add_iv_outer_candidates, may_replace_final_value,
12696 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12697 (find_interesting_uses_op): Functionality of
12698 find_interesting_uses_outer_or_nonlin moved here.
12699 (find_interesting_uses_outside): Use find_interesting_uses_op.
12701 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12704 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12706 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12707 Ulrich Weigand <uweigand@de.ibm.com>
12710 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12711 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12712 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12713 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12715 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12716 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12717 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12718 Define secondary reloads for TFmode moves.
12719 (constant_modes): Add TFmode.
12720 (NR_C_MODES): Set to 8.
12721 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12723 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12724 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12725 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12726 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12727 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12728 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12729 (FPR mode macro): Add TFmode.
12730 (DSF mode macro): New.
12731 (<de>, <dee> mode attributes): Removed.
12732 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12733 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12734 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12735 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12736 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12737 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12738 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12739 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12740 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12741 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12742 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12743 "*negabs<mode>2", "sqrt<mode>2"):
12744 Changed <de> to <xde>. R constraint replaced by <Rf>.
12745 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12747 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12748 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12749 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12751 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12752 "extenddftf2", "extendsftf2"): New expanders.
12753 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12754 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12755 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12756 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12758 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12759 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12760 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12761 __floatditf): Add a GCC_4.1.0 symbol version tag.
12762 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12765 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12768 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12769 Use targetm.binds_local_p instead of TREE_PUBLIC.
12771 2006-02-02 Roger Sayle <roger@eyesopen.com>
12773 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12774 on INTEGER_TYPEs to indicate that it denotes a character type.
12775 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12776 signed_char_type_node, unsigned_char_type_node and char_type_node.
12777 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12778 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12779 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12781 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12782 Daniel Berlin <dberlin@dberlin.org>
12784 * tree-tailcall.c (arg_needs_copy_p): New function.
12785 (eliminate_tail_call): Use arg_needs_copy_p.
12786 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12787 (add_virtual_phis): New function.
12789 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12791 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12792 #ignore instead of #scratch for %g7 .register directive.
12794 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12796 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12799 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12801 * flow.c (calculate_global_regs_live): Assert that there aren't any
12804 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12806 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12807 what its name says.
12808 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12809 bsi_after_labels iterator.
12810 * tree-if-conv.c (find_phi_replacement_condition,
12811 replace_phi_with_cond_modify_expr): Likewise.
12812 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12813 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12815 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12817 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12819 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12822 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12823 array after growing it.
12825 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12827 PR middle-end/24901
12828 * fold-const.c (fold_checksum_tree): Change type of buf.
12830 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12832 * reload.c (push_secondary_reload): Initialize t_icode.
12834 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12836 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12837 -msoft-float -mlong-double-128 only issue a warning, but don't
12838 swich to DFmode long double.
12840 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12842 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12843 has a constant equivalent, iterate over equivalents for arg0,
12844 calling simplify_relational_operation and if there's a result
12845 cheaper than X, apply fold_rtx and return the result.
12847 2006-02-01 Jan Hubicka <jh@suse.cz>
12849 * opts.c (no_unit_at_a_time_default): New global variable.
12850 (decode_options): Use it.
12851 * opts.h (no_unit_at_a_time_default): Declare.
12853 2006-02-01 Paul Brook <paul@codesourcery.com>
12855 * function.c (assign_parm_setup_reg): Use function argument promotion
12857 * expr.c (expand_expr_real_1): Use function argument promotion rules
12860 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12862 * gcc.c (process_command): Change j to 'unsigned int'.
12864 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12866 PR middle-end/26001
12867 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12868 Use the corrected index for the character
12869 out of the string constant.
12871 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12873 * mode-switching.c (optimize_mode_switching): Fix size
12874 allocated for bb_info[n_entities].
12876 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12878 * gcc.c (main): Correct type that is allocated for
12879 explicit_link_files.
12881 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12883 * config/s390/s390.c (init_alignment_context): Set
12884 ALIAS_SET_MEMORY_BARRIER on the MEM.
12885 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12887 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12889 PR middle-end/25933
12890 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12892 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12895 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12897 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12898 * regrename.c: Ditto.
12899 * tree-ssa-loop-im.c: Ditto.
12900 * tree-dump.c: Ditto.
12901 * tree-complex.c: Ditto.
12902 * genrecog.c: Ditto.
12903 * tree-ssa-threadupdate.c: Ditto.
12905 * java/class.c: Ditto.
12906 * java/jcf-parse.c: Ditto.
12907 * java/resource.c: Ditto.
12908 * java/except.c: Ditto.
12909 * java/jvspec.c: Ditto.
12910 * java/jcf-write.c: Ditto.
12911 * java/jcf-path.c: Ditto.
12912 * java/gjavah.c: Ditto.
12913 * java/zextract.c: Ditto.
12914 * java/jcf-io.c: Ditto.
12915 * java/jcf.h: Ditto.
12916 * java/buffer.c: Ditto.
12917 * java/lang.c: Ditto.
12918 * java/parse-scan.y: Ditto.
12919 * java/lex.c: Ditto.
12920 * java/lex.h: Ditto.
12921 * cfgloopmanip.c: Ditto.
12922 * postreload-gcse.c: Ditto.
12923 * tree-ssa-loop-manip.c: Ditto.
12924 * postreload.c: Ditto.
12925 * tree-ssa-loop-ch.c: Ditto.
12928 * cppspec.c: Ditto.
12929 * diagnostic.c: Ditto.
12931 * genoutput.c: Ditto.
12933 * cfghooks.c: Ditto.
12934 * cfgloopanal.c: Ditto.
12935 * objc/objc-act.c: Ditto.
12937 * genextract.c: Ditto.
12938 * genautomata.c: Ditto.
12939 * pretty-print.c: Ditto.
12940 * genemit.c: Ditto.
12941 * cgraphunit.c: Ditto.
12943 * df-scan.c: Ditto.
12944 * haifa-sched.c: Ditto.
12945 * dominance.c: Ditto.
12947 * tree-ssa-loop-ivopts.c: Ditto.
12948 * df-core.c: Ditto.
12949 * mode-switching.c: Ditto.
12950 * modulo-sched.c: Ditto.
12952 * ipa-pure-const.c: Ditto.
12954 * fix-header.c: Ditto.
12956 * tree-stdarg.c: Ditto.
12957 * ipa-utils.c: Ditto.
12958 * loop-init.c: Ditto.
12959 * ipa-inline.c: Ditto.
12960 * cfganal.c: Ditto.
12962 * alloc-pool.c: Ditto.
12963 * dwarf2out.c: Ditto.
12965 * genattrtab.c: Ditto.
12966 * tree-ssa-loop-ivcanon.c: Ditto.
12967 * predict.c: Ditto.
12968 * timevar.c: Ditto.
12970 * fortran/gfortranspec.c: Ditto.
12971 * regmove.c: Ditto.
12972 * local-alloc.c: Ditto.
12973 * langhooks.c: Ditto.
12974 * function.c: Ditto.
12975 * tree-vectorizer.c: Ditto.
12977 * ipa-type-escape.c: Ditto.
12979 * tree-if-conv.c: Ditto.
12980 * profile.c: Ditto.
12982 * tree-data-ref.c: Ditto.
12983 * loop-unroll.c: Ditto.
12984 * treelang/treetree.c: Ditto.
12986 * bt-load.c: Ditto.
12987 * ggc-common.c: Ditto.
12989 * coverage.c: Ditto.
12991 * tree-cfgcleanup.c: Ditto.
12992 * tree-ssa-pre.c: Ditto.
12993 * cfgcleanup.c: Ditto.
12994 * loop-invariant.c: Ditto.
12995 * loop-iv.c: Ditto.
12996 * ipa-prop.c: Ditto.
12997 * print-tree.c: Ditto.
12998 * conflict.c: Ditto.
12999 * ggc-page.c: Ditto.
13000 * sched-deps.c: Ditto.
13001 * regclass.c: Ditto.
13002 * tree-object-size.c: Ditto.
13003 * combine.c: Ditto.
13004 * bb-reorder.c: Ditto.
13005 * resource.c: Ditto.
13006 * var-tracking.c: Ditto.
13007 * cfgloop.c: Ditto.
13008 * df-problems.c: Ditto.
13009 * reg-stack.c: Ditto.
13011 * gccspec.c: Ditto.
13012 * sched-rgn.c: Ditto.
13013 * tree-ssa-structalias.c: Ditto.
13014 * tree-ssa-reassoc.c: Ditto.
13015 * config/darwin-c.c: Ditto.
13016 * config/darwin.c: Ditto.
13017 * config/arm/arm.c: Ditto.
13019 * collect2.c: Ditto.
13020 * reload1.c: Ditto.
13022 2006-01-31 Nicolas Pitre <nico@cam.org>
13024 * arm.md (smaxsi3): Make aware of smax_m1.
13027 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13029 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13031 2006-01-31 Richard Guenther <rguenther@suse.de>
13033 * doc/invoke.texi (-msselibm): Document.
13034 * target.h (expand_library_builtin): New target hook.
13035 * builtins.c (expand_builtin): Use expand_library_builtin.
13036 (default_expand_library_builtin): New function.
13037 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13038 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13039 (link_gcc_math_spec): Declare.
13040 (static_specs): Add link_gcc_math_spec.
13041 * expr.h (default_expand_library_builtin): Declare.
13042 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13043 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13044 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13045 * config/i386/i386.opt (msselibm): New target option.
13046 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13047 (ix86_init_sse_abi_builtins): New function.
13048 (ix86_expand_library_builtin): Likewise.
13049 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13050 (override_options): Handle error conditions wrt -msselibm.
13051 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13052 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13053 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13056 2006-01-31 Richard Guenther <rguenther@suse.de>
13057 Paolo Bonzini <bonzini@gnu.org>
13059 * doc/install.texi (--disable-libgcc-math): Document.
13061 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13063 * expr.h (expand_normal): new inline function.
13064 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13065 * dojump.c: use it.
13066 * dwarf2out.c: use it.
13069 * expmed.c: use it.
13070 * except.c: use it.
13071 * config/sparc/sparc.c: use it.
13072 * config/i386/i386.c: use it.
13073 * config/rs6000/rs6000.c: use it.
13074 * config/arm/arm.c: use it.
13075 * config/mips/mips.c: use it.
13076 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13078 2006-01-30 Roger Sayle <roger@eyesopen.com>
13080 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13081 argv to the appropriate type.
13083 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13085 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13088 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13091 * config/s390/s390.c (struct machine_function): New flag
13092 decomposed_literal_pool_addresses_ok_p.
13093 (s390_reorg): Set it before final stage of literal pool transforms.
13094 (s390_decompose_address): Only accept displacements of the form
13095 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13097 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13099 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13100 the comparison routine return.
13102 2006-01-30 Michael Matz <matz@suse.de>
13104 * global.c (find_reg): Only evict for global regs.
13105 Take n_refs into account and dump more info.
13107 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13110 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13111 (pragma_trap, pragma_nosave_low_regs): Likewise.
13112 (current_function_anonymous_args): Likewise.
13113 (sh_deferred_function_attributes): New variable.
13114 (sh_deferred_function_attributes_tail): Likewise.
13115 (print_operand): For '@', look up trap_exit attribute.
13116 (calc_live_regs): Look up trapa_handler attribute. For trapa
13117 handlers, save/restore fpscr, but don't do any other
13118 interrupt-specific saves.
13119 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13120 Fix check for partially saved registers to check for SHmedia.
13121 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13122 (sh_output_function_epilogue): Don't clear any of the removed
13124 (sh_insert_attributes): Don't check pragma_interrupt.
13125 Insert deferred attributes. Check that interrupt attribute is
13126 present for other attributes that require its presence.
13127 (sh_attribute_table): Add new attributes trapa_handler and
13129 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13130 Don't check for pragma_interrupt. Don't store argument.
13131 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13132 (sh_deferred_function_attributes): Declare.
13133 (sh_deferred_function_attributes_tail): Likewise.
13134 * sh.md (sp_switch_1): Add operand. Change generator caller.
13135 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13136 (*return_i): Don't use when trap_exit attribute is in effect.
13137 (*return_trapa): New insn pattern.
13138 * sh-c.c: New file.
13139 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13140 setting c_target_objs and cxx_target_objs.
13141 * t-sh: Add rule for sh-c.o.
13143 2006-01-30 Richard Guenther <rguenther@suse.de>
13146 * gimplify.c (gimplify_target_expr): Handle easy cases
13147 without creating a temporary.
13149 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13151 * vec.h (safe_grow): Remove duplicated line.
13153 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13156 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13157 (expand_omp): ... here.
13158 (expand_omp_parallel): Only remove barriers for combined
13159 parallel+workshare constructs.
13161 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13165 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13166 * tree.c (build_qualified_type): Chain the new type to the original
13167 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13168 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13169 (build_pointer_type_for_mode): Only return unqualified types.
13170 (build_reference_type_for_mode): Likewise.
13172 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13174 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13175 * Makefile.in (CXX_COMPAT_WARN): Define.
13176 * configure: Regenerate.
13178 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13181 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13184 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13186 * toplev.c: Fix thinko.
13188 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13189 Marcin Dalecki <martin@dalecki.de>
13191 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13192 (push_srcloc): Use XNEW.
13193 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13195 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13197 * df-core.c (df_set_blocks): Deleted all variable.
13199 2006-01-28 Ian Lance Taylor <ian@airs.com>
13201 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13202 cgraph_output_pending_asms.
13204 2006-01-28 Zack Weinberg <zackw@panix.com>
13206 * c.opt: Add -W(no-)overlength-strings.
13207 * doc/invoke.texi: Document it.
13208 * c-opts.c (c_common_handle_option): -pedantic implies
13209 -Woverlength-strings, if not explicitly disabled already.
13210 (c_common_post_options): -Woverlength-strings defaults to off, and
13211 is always off for C++.
13212 * c-common.c (fix_string_type): Issue warning about strings longer
13213 than is portable only if warn_overlength_strings. Rearrange code
13214 a little for clarity.
13215 * configure.in: Check for -Wno-overlength-strings as well before
13216 enabling -pedantic in stage 1.
13217 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13218 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13220 * genconditions.c (write_header, write_one_condition)
13221 (write_conditions, write_writer): Consolidate very long strings
13222 that were broken up to fit in C89 portable limit. Don't use
13223 printf when fputs will do.
13225 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13227 * combine.c (simplify_comparison <AND>): Check
13228 TRULY_NOOP_TRUNCATION before start using a subreg.
13230 * config/mips/mips.md (*branch_zero<mode>,
13231 *branch_zero<mode>_inverted, *branch_equality<mode>,
13232 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13233 Remove mode check from comparisons.
13235 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13237 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13239 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13241 * expmed.c (const_mult_add_overflow_p): Remove.
13242 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13244 * recog.c (validate_replace_rtx_subexp): Remove.
13245 * recog.h: Remove the prototype for
13246 validate_replace_rtx_subexp.
13248 * integrate.h: Remove the prototype for
13249 copy_decl_for_inlining.
13250 * rtl.h: Remove the prototype for mark_constant_function.
13251 * tree-vectorizer.h: Remove the prototype for
13252 vect_strip_conversion.
13254 * modulo-sched.c (create_partial_schedule,
13255 free_partial_schedule, reset_partial_schedule): Make them
13258 * hooks.c (hook_bool_rtx_int_false): Remove.
13259 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13261 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13263 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13264 and -mlong-double-128 are incompatible.
13265 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13266 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13267 (TARGET_LIBGCC2_CFLAGS): Define.
13268 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13269 (TARGET_LIBGCC2_CFLAGS): Same.
13270 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13272 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13275 * c-typeck.c (build_binary_op): Perform implicit casts of
13276 operands before shortening them.
13278 * cfgloopmanip.c (split_loop_bb): Remove.
13279 * cfgloop.h: Remove the prototype for split_loop_bb.
13281 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13282 * cfgloop.h: Remove the prototype for
13283 flow_loop_outside_edge_p.
13285 * emit-rtl.c (init_virtual_regs): Make it static.
13286 * function.h: Remove the prototype for init_virtual_regs.
13288 * recog.c (peephole2_optimize): Make it static.
13289 * recog.h: Remove the prototype for peephole2_optimize.
13291 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13293 * df-scan.c (df_record_entry_block_defs): Check if
13294 INCOMING_RETURN_ADDR_RTX is defined.
13296 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13297 Kenneth Zadeck <zadeck@naturalbridge.com>
13299 PR rtl-optimization/24762
13300 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13301 * targhooks.c (hook_void_bitmap): New hook prototype.
13302 * targhoohs.h (hook_void_bitmap): Ditto.
13303 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13304 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13305 * target.h (live_on_entry): New function pointer.
13306 * df-scan.c (df_all_hard_regs): Removed.
13307 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13308 (df_scan_free_internal): Added df->entry_block_defs.
13309 (df_scan_alloc): Ditto.
13310 (df_scan_dump): Ditto.
13311 (df_uses_record): Plumbed flag field properly thru calls.
13312 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13313 This part fixes PR24762.
13314 (df_bb_refs_record): Added code to make the frame and arg
13315 pointers live in EH blocks.
13316 (df_refs_record): Added call to df_record_entry_block_defs.
13317 (df_record_entry_block_defs): New function.
13318 * df-core.c: Added comments to describe new artifical defs.
13319 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13320 (entry_block_defs): New field in struct df.
13321 (df_all_hard_regs): Deleted.
13322 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13323 * df-problems.c (df_ru_bb_local_compute_process_def):
13324 Added code to handle artifical defs in the entry to a function.
13325 (df_ru_bb_local_compute): Ditto.
13326 (df_rd_bb_local_compute_process_def): Ditto.
13327 (df_rd_bb_local_compute): Ditto.
13328 (df_lr_bb_local_compute): Ditto.
13329 (df_ur_bb_local_compute): Ditto.
13330 (df_urec_bb_local_compute): Ditto.
13331 (df_chain_create_bb): Ditto.
13332 (df_ur_local_finalize): Removed entry.
13333 (df_urec_init): Ditto.
13334 (df_urec_local_finalize): Ditto.
13335 (df_ri_bb_compute): Added detection of last use of pseudos.
13336 * Makefile.in (df-scan.o): Updated dependencies.
13337 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13338 * config/mips/mips.c (mips_set_live_on_entry): Added.
13339 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13341 * dce.c (marked_insn_p): Added code to handle artifical defs.
13343 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13345 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13347 (_mm_cvtsi128_si64): Likewise.
13348 (_mm_cvtsd_si64): Likewise.
13349 (_mm_cvttsd_si64): Likewise.
13350 (_mm_cvtsi64_sd): Likewise.
13351 (_mm_cvtsi64_si128): Likewise.
13352 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13353 (_mm_cvtsi64_m64): Likewise.
13354 (_m_to_int64): Likewise.
13355 (_mm_cvtm64_si64): Likewise.
13356 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13357 (_mm_cvttss_si64): Likewise.
13358 (_mm_cvtsi64_ss): Likewise.
13359 (_mm_cvtss_f32): Likewise.
13361 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13363 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13364 for pragma redefine_extname.
13366 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13369 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13370 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13371 -mno-minimal-toc to previous content.
13372 (bispecs): Remove goal.
13373 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13374 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13375 compatibility aliases on powerpc-*-*gnu*.
13376 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13377 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13378 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13379 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13380 (ldblspecs): New goal.
13381 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13382 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13384 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13385 L_sf_to_tf or L_df_to_tf is defined.
13387 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13388 Alan Modra <amodra@bigpond.net.au>
13391 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13392 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13393 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13394 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13395 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13396 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13397 (rs6000_override_options): Initialize rs6000_ieeequad.
13398 Initialize TFmode format to ibm_extended_format if not
13400 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13402 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13403 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13404 (function_arg_advance): IBM long double passed in two FPRs, not
13406 (function_arg): IBM long double passed in FPRs.
13407 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13408 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13409 Only multireg GPR aligned.
13410 (rs6000_init_libfuncs): Enable IBM long double functions if not
13412 (rs6000_generate_compare): Use IBM long double compare if not
13414 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13415 (TARGET_IEEEQUAD): Define.
13416 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13417 not TARGET_IEEEQUAD.
13418 * config/rs6000/rs6000.md: Enable TFmode patterns if
13420 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13421 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13422 and -mlong-double-128 are incompatible.
13423 * doc/invoke.texi (-mabi): Collect options together. Add
13424 ibmlongdouble and ieeelongdouble.
13426 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13428 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13430 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13431 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13432 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13433 * rtl.h (rtunion_def): Remove rt_ptr.
13435 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13436 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13437 * config/i386/winnt.c (i386_pe_mark_dllexport)
13438 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13440 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13442 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13444 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13448 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13449 pthread_key_delete. From John David Anglin. gthrw-ify
13450 pthread_getunique_np only if it it's not a macro. Delete
13452 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13453 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13454 __gthread_objc_condition_signal, __gthread_key_delete): Add
13455 "__attribute__ ((__unused__))" to unused arguments.
13456 (__gthread_recursive_mutex_init_function): Add missing return.
13457 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13458 gthr-posix95.h: Use macro-based approach for name redirection
13459 on targets missing weakref.
13461 2006-01-26 Zack Weinberg <zackw@panix.com>
13463 * genconditions.c (write_header): In generated code, #ifdef out
13464 all includes and fake declarations, except includes of bconfig.h
13465 and system.h, unless GCC_VERSION >= 3001. Do not include
13466 gensupport.h in any case.
13467 (write_conditions): Generate a definition of struct c_test. Add
13468 a comment to the generated #endif.
13469 (write_one_condition): Escape backslashes in string too.
13470 (write_writer): Generated code must escape backslashes and quote
13471 marks (but not newlines) in the strings it writes.
13472 * Makefile.in (build/gencondmd.o): Update dependencies.
13474 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13477 * Makefile.in (insn-automata.o): Add header file dependencies.
13478 * genautomata.c: Add includes.
13480 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13483 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13485 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13487 * configure.ac: Expect target tools paths to be passed from the toplevel
13488 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13490 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13492 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13495 * c.opt (Wpointer-sign): Init to -1.
13496 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13497 OPT_pedantic, to 0 otherwise.
13498 * doc/invoke.texi: Update.
13500 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13502 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13503 constants provided by 80387 instructions in the destination mode.
13505 2006-01-26 Richard Guenther <rguenther@suse.de>
13506 Andrew Pinski <pinskia@physics.uc.edu>
13509 partial PR tree-opt/17064
13510 * tree-ssa-structalias.c (intra_create_variable_infos):
13511 Create heap variables for incoming parameters if
13512 flag_argument_noalias > 1.
13513 (find_what_p_points_to): Look through default defs of
13516 2006-01-26 Jeff Law <law@redhat.com>
13519 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13520 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13521 within the VR_RANGE, use the VR_RANGE as the result, not the
13523 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13524 bounds for the type.
13526 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13528 * tree-ssa-alias.c (maybe_create_global_var): Change
13529 subvar walking to an assertion that we don't have subvar'd variables.
13531 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13534 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13535 Use a new variable, inner. PARM_DECLs are always non-weak.
13537 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13539 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13540 --disable-checking.
13542 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13544 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13546 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13548 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13549 (smax_insn, smin_insn, smax_0, smin_0): New.
13551 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13554 * config/cris/cris.c (cris_order_for_addsi3): New function.
13555 * config/cris/cris-protos.h: Prototype it.
13556 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13557 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13558 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13559 (split for "op.S1 [rx=rx+i],ry (swapped)")
13560 (split for "op(s|u).S1 [rx=rx+i],ry")
13561 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13562 Apply cris_order_for_addsi3 when generating addsi3 insns.
13564 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13566 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13567 (TREE_BLOCK): Add call to EXPR_CHECK.
13569 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13572 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13573 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13574 (dump_omp_clauses): ... here.
13575 (dump_generic_node): Handle OMP_CLAUSE.
13576 * tree.c (omp_clause_num_ops): New.
13577 (omp_clause_code_name): New.
13578 (tree_code_size): Handle OMP_CLAUSE.
13579 (tree_size): Likewise.
13580 (make_node): Document handling of OMP_CLAUSE.
13581 (tree_node_structure): Handle OMP_CLAUSE.
13582 (omp_clause_check_failed): New.
13583 (omp_clause_range_check_failed): New.
13584 (omp_clause_operand_check_failed): New.
13585 (build_omp_clause): New.
13586 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13587 * tree.h (enum omp_clause_code): Declare.
13588 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13589 (OMP_CLAUSE_RANGE_CHECK): Define.
13590 (OMP_CLAUSE_ELT_CHECK): Define.
13591 (omp_clause_check_failed): Declare.
13592 (omp_clause_operand_check_failed): Declare.
13593 (omp_clause_range_check_failed): Declare.
13594 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13595 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13596 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13597 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13598 (OMP_CLAUSE_IF_EXPR): Likewise.
13599 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13600 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13601 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13602 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13603 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13604 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13605 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13606 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13607 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13608 (OMP_CLAUSE_CODE): Define.
13609 (OMP_CLAUSE_SET_CODE): Define.
13610 (OMP_CLAUSE_CODE): Define.
13611 (OMP_CLAUSE_OPERAND): Define.
13612 (struct tree_omp_clause): Declare.
13613 (union tree_node): Add field 'omp_clause'.
13614 * treestruct.def (TS_OMP_CLAUSE): Define.
13615 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13616 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13617 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13618 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13619 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13620 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13621 (OMP_CLAUSE): Define.
13622 * print-tree.c (print_node): Handle OMP_CLAUSE.
13623 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13624 * c-typeck.c: Likewise.
13625 * gimplify.c: Likewise.
13626 * c-omp.c: Likewise.
13627 * tree-nested.c: Likewise.
13628 * tree-inline.c: Likewise.
13629 * c-parser.c: Likewise.
13630 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13633 2006-01-25 Roger Sayle <roger@eyesopen.com>
13635 PR rtl-optimization/25703
13636 * combine.c (try_combine): Handle zero_extract and strict_low_part
13637 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13639 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13641 * global.c: Fix comment typos.
13643 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13646 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13647 Use output_addr_const instead of assemble_name.
13649 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13651 * Makefile.in (sched-vis.o): Update dependencies.
13652 * haifa-sched.c (sched_finish): Clear current_sched_info.
13653 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13654 (dump_flow_info): Call it.
13655 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13657 * basic-block.h (dump_bb_info): Declare.
13658 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13659 option, and apply options only for dump files whose TDF_RTL,
13660 TDF_TREE, or TDF_IPA bits match.
13661 * rtl.h: Declare new functions exported from sched-vis.c.
13662 * sched-vis.c: Enable also if scheduling is not used.
13663 (print_value): Print the mode of registers if not inside scheduling.
13664 (print_insn): Make it work outside the scheduler. Beautify the output
13666 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13668 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13670 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13671 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13672 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13673 depending on the value of CONSTANT_POOL_ADDRESS_P.
13674 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13676 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13677 rather than SYMBOL_REF_DECL.
13678 (rtx_constant_pool): Remove const_rtx_sym_htab.
13679 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13680 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13681 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13682 Remove handling of const_rtx_sym_htab.
13683 (find_pool_constant): Delete.
13684 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13685 rather than find_pool_constant.
13686 (get_pool_constant_for_function): Delete.
13687 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13688 find_pool_constant.
13689 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13690 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13691 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13692 (SYMBOL_REF_CONSTANT): New macro.
13693 (get_pool_constant_for_function): Delete.
13694 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13695 rather than SYMBOL_REF_DECL.
13696 (i386_pe_mark_dllimport): Likewise.
13697 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13698 rather than SYMBOL_REF_DECL.
13699 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13700 (machopic_indirect_call_target): Likewise.
13702 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13704 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13706 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13708 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13710 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13712 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13714 2006-01-24 David Daney <ddaney@avtrex.com>
13717 * configure.ac (enable_tls): New enable option.
13718 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13719 * configure: Regenerate.
13720 * doc/install.texi (--enable-tls): Document new option.
13721 (--disable-tls): Ditto.
13723 2006-01-24 Richard Henderson <rth@redehat.com>
13725 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13726 * alias.c (true_dependence): Respect it.
13727 (canon_true_dependence, write_dependence_p): Likewise.
13728 * builtins.c (get_builtin_sync_mem): Set it.
13730 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13732 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13735 2006-01-24 DJ Delorie <dj@redhat.com>
13737 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13738 for storing constants in single-bit bitfields.
13740 2006-01-25 Ben Elliston <bje@au.ibm.com>
13742 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13744 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13747 * tree-ssa-pre.c (phi_translate): Return NULL
13748 for AGGREGATE_TYPE's.
13750 2006-01-24 Zack Weinberg <zackw@panix.com>
13752 * genautomata.c (process_state_for_insn_equiv_partition):
13753 Use xcalloc for insn_arcs_array.
13754 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13755 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13757 2006-01-24 Richard Henderson <rth@redhat.com>
13759 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13760 update all callers.
13762 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13764 PR rtl-optimization/25890
13765 PR rtl-optimization/25905
13766 * combine.c (expand_compound_operation, expand_field_assignment):
13767 Fail if the bitfield's final position is out of bounds.
13769 2006-01-24 Ian Lance Taylor <ian@airs.com>
13771 PR middle-end/25930
13772 * cgraphunit.c (cgraph_output_in_order): Don't clear
13773 cgraph_asm_nodes until after asm strings have been output.
13775 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13777 * fix-header.c (read_scan_file): Add new parameter imultilib when
13778 calling register_include_chains.
13780 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13782 * omp-low.c: Update documentation.
13784 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13785 Daniel Berlin <dberlin@dberlin.org>
13789 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13790 return from the function.
13792 2006-01-22 Zack Weinberg <zackw@panix.com>
13794 * rtl.def (match_code): Add second argument.
13795 * genpreds.c (write_extract_subexp): New function.
13796 (write_match_code): Add path argument. Use write_extract_subexp.
13797 (write_predicate_expr): Pass path to write_match_code.
13798 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13799 not perform a mode test.
13800 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13801 a subexpression does not constrain the top-level code set.
13802 * read-rtl.c (read_rtx_variadic): New function.
13803 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13804 * doc/md.texi: Document new notation.
13805 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13806 (cmpsi_operand): ... here, using new notation.
13808 2006-01-22 Zack Weinberg <zackw@panix.com>
13810 * varray.c: Remove GENERATOR_FILE #ifdefs.
13812 2006-01-22 Zack Weinberg <zackw@panix.com>
13814 * genautomata.c (output_reserved_units_table): Emit nothing if
13815 description->query_units_num is zero. Remove extra blank line.
13816 (output_cpu_unit_reservation_p): Short circuit
13817 if description->query_units_num is zero.
13819 2006-01-22 Zack Weinberg <zackw@panix.com>
13821 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13822 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13823 nor any of the random handful of variables that used to be necessary
13824 when this program was linked with rtlanal.o. Prune set of forward
13825 function declarations.
13826 (struct attr_desc): Remove static_p field.
13827 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13828 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13829 (attr_string): Do not read the character one past the length of
13831 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13832 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13833 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13834 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13835 (make_automaton_attrs): New.
13836 (main): Do not call into genautomata. Call local gen_bypass
13837 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13838 Remove special case for insn_alts.
13839 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13840 varray.h (leftover from previous change). Prune set of forward
13841 function declarations. Remove state_alts fields from all
13842 structures. Remove state_alts_table from struct automaton.
13843 Make everything except main static. Do not maintain num_dfa_decls.
13844 Do not maintain state_alts fields of various structures.
13845 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13846 (add_arc): Remove state_alts argument. All callers updated.
13847 (output_reserved_units_table): Emit #ifdef here...
13848 (output_tables): ...not here. Don't generate state_alts tables.
13849 (expand_automata): Don't generate attributes.
13850 (write_automata): Don't generate state_alts functions.
13851 (main): New function.
13852 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13853 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13854 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13855 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13856 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13857 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13858 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13859 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13861 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13862 * genattrtab.h: Delete file.
13863 * Makefile.in (OBJS-common): Add insn-automata.o.
13864 (insn-automata.o): New rule.
13865 (simple_generated_c): Add insn-automata.c.
13866 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13867 (genprogmd): Add automata.
13868 (build/genattrtab): Needs no extra objects nor libraries.
13869 (build/genautomata): Needs build/vec.o and -lm.
13871 2006-01-22 Zack Weinberg <zackw@panix.com>
13873 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13874 (output_dfa_max_issue_rate, locked_states_num): Delete.
13875 (struct automaton): Add locked_states field.
13876 (output_dead_lock_vect): Save number of locked states in
13877 automaton->locked_states. If it is zero, don't print anything.
13878 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13879 (output_internal_dead_lock_func): Only test the dead_lock_vect
13880 for automata that have locked states.
13881 (output_statistics): Always print the number of locked states for
13882 each automaton. Calculate total number of locked states here.
13883 (write_automata): Don't call output_dfa_max_issue_rate.
13884 * genattrtab.c: Define length_unit_log as a const variable.
13885 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13886 max_insn_queue_index const.
13887 * final.c (length_unit_log): Declare const.
13888 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13890 2006-01-22 Zack Weinberg <zackw@panix.com>
13892 * genautomata.c: Include vec.h, not varray.h.
13893 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13894 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13895 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13896 VEC_* macros operating on appropriately typed vectors, or to
13897 malloced arrays when the size is known in advance. Const-ify
13898 many char* variables and function arguments. No functional changes.
13899 * Makefile.in (build/varray.o): Delete rule.
13900 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13901 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13903 2006-01-22 Zack Weinberg <zackw@panix.com>
13905 * gensupport.c: Define get_insn_name and record_insn_name here.
13906 (read_md_rtx): Call record_insn_name as appropriate.
13907 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13908 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13909 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13911 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13912 (BUILD_VARRAY): Delete.
13913 (genprognormal): Rename genprogmd. Fold in all programs from
13914 genprognoprint; also attrtab.
13915 (build/genattrtab): Just mention genautomata.o and varray.o.
13916 Reorganize a bit, add comments to make the categories clearer.
13918 2006-01-22 Zack Weinberg <zackw@panix.com>
13920 * genconditions.c (condition_table, add_condition): Delete.
13921 (write_conditions): Don't emit n_insn_conditions nor
13922 insn_elision_unavailable. Issue the gcc version #ifdef here,
13923 inside the table, with no #else clause ...
13924 (write_header): ...not here.
13925 (write_writer): New function.
13926 (main): Don't initialize condition_table. Use add_c_test.
13928 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13929 files on the command line.
13930 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13931 Return -1 if there is no entry in the table, don't abort.
13932 (add_c_test, traverse_c_tests): New functions.
13933 * gensupport.h (insn_elision_unavailable, insn_conditions)
13934 (n_insn_conditions): Delete declarations.
13935 (add_c_test, traverse_c_tests): Declare.
13936 * read-rtl.c: Include gensupport.h.
13937 (read_conditions): New function.
13938 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13939 (read_rtx_1): If we get EOF when we were looking for an initial
13940 open paren, return 0. Call read_conditions when appropriate.
13941 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13942 dummy-conditions.o. Eliminate references to insn-conditions.o,
13943 or change them to build/gencondmd.o, as appropriate. Remove
13944 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13945 from $(simple_generated_c). For all files remaining in those
13946 two lists, add insn-conditions.md to the generator command line.
13947 Give insn-constants.h/s-constants their own rules. Add rules
13948 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13949 (build/read-rtl.o): Depend on gensupport.h.
13950 (genprognormal): Include preds.
13951 (genprogearly): Rename genprognoprint; only difference is now that
13952 they don't link with $(BUILD_PRINT).
13953 * dummy-conditions.c: Delete.
13955 2006-01-22 Zack Weinberg <zackw@panix.com>
13957 * genextract.c: Don't include insn-config.h. Do include vec.h.
13958 Declare vectors of int, char, and locstr.
13959 (locstr): New typedef.
13960 (struct extraction): Make all array fields into bare pointers.
13961 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13962 (insn_code_number): Delete.
13963 (accum_extract): New struct.
13964 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13965 (gen_insn): Take insn_code_number as an argument. Use an
13966 accum_extract structure instead of loading data directly into
13967 a struct extraction, and having to know how big it might get.
13968 (walk_rtx): Operate entirely on an accum_extract structure.
13969 (print_path): Avoid unnecessary use of printf.
13970 (print_header): New function, split out of main. Distinguish
13971 more carefully between an unrecognizable insn and an insn that
13972 has the code number of a define_expand.
13973 (main): Pass insn_code_number to gen_insn. Call print_header
13974 only after parsing. Avoid unnecessary use of printf.
13975 * Makefile.in (build/vec.o): New rule.
13976 (build/genextract): Depend on build/vec.o.
13977 (build/genextract.o): Don't depend on insn-config.h.
13979 2006-01-22 Zack Weinberg <zackw@panix.com>
13981 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13982 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13983 practical. Eliminate per-generator-program link rules.
13985 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13987 PR middle-end/24437
13988 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13989 with a call expr to ...
13990 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13992 2006-01-23 Richard Guenther <rguenther@suse.de>
13994 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13995 before make_edge with conditional EDGE_TRUE_VALUE.
13997 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13998 Jan Hubicka <jh@suse.cz>
13999 Richard Guenther <rguenther@suse.de>
14001 PR rtl-optimization/25654
14002 * cfgexpand.c (aggregate_contains_union_type): New function.
14003 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14004 for structure variables that contain a union type.
14006 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14008 * gengtype.c (new_structure): Return the structure.
14009 (create_option): Add an extra "next" argument.
14010 (create_field): New function.
14011 (adjust_field_rtx_def): Use create_option and create_field.
14012 Remove a now-unnecessary call to find_structure.
14013 (adjust_field_tree_def): Likewise.
14014 (note_yacc_type): Remove an unnecessary call to find_structure.
14015 * gengtype.h (new_structure): Return the structure.
14016 (create_option): Add an extra argument.
14017 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14018 (option): Adjust calls to create_option.
14020 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14022 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14024 2006-01-22 Paul Brook <paul@codesourcery.com>
14025 Peter Barada <peter@the-baradas.com>
14027 * config/m68k/m68k.md: Add Coldfire FPU support.
14028 Define FP mode macro and associated attributes.
14029 Use it for float mode patterns.
14030 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14031 (LIBCALL_VALUE): Use m68k_libcall_value.
14032 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14033 (m68k_function_value): Ditto.
14034 (emit_move_sequence): Ditto.
14035 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14036 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14037 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14038 (MULTILIB_EXCEPTIONS): Ditto.
14039 * config/m68k/m68k.opt: Add mcfv4e.
14040 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14041 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14042 (m68k_output_function_prologue): Save ColdFire FPU registers.
14043 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14044 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14045 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14046 ColdFire FPU registers.
14047 (m68k_libcall_value, m68k_function_value): New functions.
14048 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14049 (LIBCALL_VALUE): Use m68k_libcall_value.
14050 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14051 (MASK_COLDFIRE): Add MASK_CFV4E.
14052 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14053 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14054 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14055 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14056 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14057 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14058 * doc/invoke.tex: Document -mcfv4e on m68k.
14060 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14062 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14065 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14068 * c-opts.c (c_common_handle_option): Don't include
14069 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14070 * doc/invoke.texi (C++ Dialect Options): Document that
14071 -Wnon-virtual-dtor is no longer included in -Wall.
14073 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14075 * gcov.c (print_version), gcov-dump.c (print_version),
14076 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14079 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14081 * df-scan.c (problem_SCAN): Added NULL reset function.
14082 (df_scan_reset_blocks): Added code to call reset block function
14083 (df_bb_refs_delete) Fixed comment.
14084 (df_insn_refs_delete): Made tolerant of deleting non existent info
14085 for dataflow problems that need to be reset.
14086 * df-core.c (df_set_blocks): Ditto.
14087 * df.h (struct df_problem): Added reset_fun.
14088 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14089 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14090 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14091 functions to clear out all references to def-use or use-def chains.
14093 2006-01-21 Ben Elliston <bje@au.ibm.com>
14095 * varasm.c (assemble_real): Initialise data array.
14097 2006-01-20 Paul Brook <paul@codesourcery.com>
14099 Merge from csl-arm-branch.
14100 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14101 * config/arm/arm.md (movdi): Force operands[1] to a register
14102 if we have a non-register source.
14103 (*arm_movdi, *movdf_soft_insn): Require that one of the
14104 operands be a register.
14105 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14106 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14108 2006-01-20 DJ Delorie <dj@redhat.com>
14110 * varasm.c (initializer_constant_valid_p): Allow pointers
14111 initialized from integer constants of lesser precision.
14112 (output_constant): Allow non-int-sized pointer modes to be
14113 initialized from integer constants.
14115 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14118 * cppdefault.h (struct default_include): Add multilib flag.
14119 * cppdefault.c (cpp_include_defaults): Set it.
14120 * c.opt (-imultilib): New option.
14121 * c-opts.c (imultilib): New.
14122 (c_common_handle_option): Handle -imultilib.
14123 (c_common_post_options): Likewise.
14124 * c-incpath.c (add_standard_paths, register_include_chains):
14126 * c-incpath.h (register_include_chains): Add extra parameter.
14127 * gcc.c (do_spec_1): Generate -imultilib option.
14128 (The Specs Language): Update %I description.
14129 (process_command): Update copyright notice.
14130 * doc/cppopts.texi (-imultilib): Document.
14131 * doc/invoke.texi (-imultilib): Include in option summary.
14132 (%I): Update specs documentation.
14134 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14136 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14138 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14140 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14143 2006-01-20 Richard Guenther <rguenther@suse.de>
14144 Steven Bosscher <stevenb.gcc@gmail.com>
14146 PR rtl-optimization/24626
14147 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14148 EDGE_TRUE_VALUE if in RTL mode.
14151 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14152 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14154 2006-01-20 Dirk Mueller <dmueller@suse.com>
14157 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14158 instead of a special NOP marker.
14159 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14160 NOP marker handling.
14161 * c-common.h (empty_body_warning): Add forward declaration.
14162 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14163 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14165 2006-01-20 Paul Brook <paul@codesourcery.com>
14167 * Makefile.in (lang_checks): Keep going if mkdir fails.
14169 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14171 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14172 be able to clean out basic block when not necessary.
14173 (df_scan_free): Fixed to properly delete information if df is
14174 unused before calling df_finish.
14175 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14176 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14178 (df_bb_refs_delete): New function.
14179 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14180 * df-core.c (df_set_blocks): Added code to properly clean out
14181 unused blocks if they are not part of the blocks to consider.
14182 Added additional null check.
14183 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14184 be able to clean out basic block when not necessary
14185 * df.h (df_free_bb_function): Ditto.
14186 (df_bb_refs_delete): New function.
14187 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14188 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14189 basic block parameter to be able to clean out basic block when not
14191 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14192 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14193 Fixed to properly delete information if df is unused before
14196 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14198 PR rtl-optimization/25799
14199 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14200 Corrected confluence operator to remove bits from op2 before oring
14201 with op1 rather than removing bits from op1.
14202 (df_ru_transfer_function): Corrected test on wrong bitmap which
14203 caused infinite loop. Both of these problems were introduced in
14204 the dataflow rewrite.
14206 2006-01-19 DJ Delorie <dj@redhat.com>
14208 * reload1.c (find_reload_regs): Note the details of reload
14209 failures in the dump file.
14210 (spill_failure): Likewise.
14212 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14214 * loop-iv.c: Include df.h and hashtab.h.
14215 (enum iv_grd_result): New enum.
14216 (DF_REF_IV, DF_REF_IV_SET): New macros.
14217 (struct biv_entry): New.
14218 (df, bivs): New global variables.
14219 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14220 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14222 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14223 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14224 analyzed_for_bivness_p, record_biv): New functions.
14225 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14226 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14227 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14229 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14231 (iv_number_of_iterations): Use new interface to iv analysis.
14232 * loop-unroll.c: Do not include varray.h.
14233 (analyze_iv_to_split_insn): Use new interface to iv
14235 * loop-unswitch.c (may_unswitch_on): Ditto.
14236 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14238 (df_bb_modify): Realloc tables to the new index.
14239 (df_find_use): New function.
14240 * df.h (df_find_use): Declare.
14241 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14243 * cfgloop.h (struct rtx_iv): Remove analysed field.
14244 (iv_get_reaching_def): Removed.
14245 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14246 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14247 (loop-iv.o): Add df.h and hashtab.h dependency.
14248 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14250 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14253 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14255 (__floatundisf, __floatundidf): Likewise.
14256 * libgcc2.h (IS_IBM_EXTENDED): Define.
14258 2006-01-19 DJ Delorie <dj@redhat.com>
14260 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14262 2006-01-19 Paul Brook <paul@codesourcery.com>
14264 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14265 as nothrow when unwinding tables are disabled.
14267 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14270 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14271 of bit-field" when in system header.
14273 2006-01-19 DJ Delorie <dj@redhat.com>
14275 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14276 the 16 bit shift limit of the m16c.
14278 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14281 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14282 * config/i386/i386.c (output_set_got): Output the label if we have one
14283 for the TARGET_DEEP_BRANCH_PREDICTION case.
14285 2006-01-19 Jan Hubicka <jh@suse.cz>
14286 H.J. Lu <hongjiu.lu@intel.com>
14287 Evandro Menezes <evandro.menezes@amd.com>
14289 * invoke.texi (generic): Document
14291 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14292 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14293 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14294 (x86_use_incdec, x86_pad_returns): New variables
14295 (TARGET_CPU_DEFAULT_generic): New constant
14296 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14297 (enum processor_type): Add generic32 and generic64.
14298 * i386.md (cpu attribute): Add generic32/generic64
14299 (movhi splitter): Behave sanely when both partial_reg_dependency and
14300 partial_reg_stall are set.
14301 (K8 splitters): Enable for generic as well.
14302 * predicates.md (incdec_operand): Use TARGET_INCDEC
14303 (aligned_operand): Avoid memory mismatch stalls.
14304 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14305 * ppro.md: Enable for generic32
14306 * i386.c (generic64_cost, generic32_cost): New.
14307 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14308 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14309 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14310 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14311 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14312 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14313 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14314 x86_accumulate_outgoing_args, x86_prologue_using_move,
14315 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14316 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14317 Enable for generic.
14318 (x86_use_incdec, x86_pad_returns): New.
14319 (override_options): Add generic32 and generic64, translate "generic"
14320 to generic32/generic64 and "i686" to "generic32", refuse
14321 "generic32"/"generic64" as arch target.
14322 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14323 (ix86_reorg): Honor PAD_RETURNS.
14325 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14327 * tree-pretty-print.c (dump_generic_node): Handle
14328 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14329 * cgraph.c (cgraph_expand_queue): Rename from
14330 cgraph_analyze_queue. Update all users.
14331 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14332 cgraph_expand_queue.
14333 (cgraph_expand_all_functions): Likewise.
14334 (cgraph_finalize_pending_functions): Remove. Update callers.
14336 * tree.h (OMP_DIRECTIVE_P): Define.
14337 (OMP_PARALLEL_FN): Define.
14338 (OMP_PARALLEL_DATA_ARG): Define.
14339 (OMP_SECTIONS_SECTIONS): Define.
14340 * tree-pass.h (pass_expand_omp): Declare.
14341 * omp-low.c (struct omp_region): Declare.
14342 (struct omp_context): Remove fields 'parallel_type',
14343 'parallel_start_ix' and 'parallel_start_additional_args'.
14345 (struct omp_for_data): Rename from struct expand_omp_for_data.
14346 (omp_regions): New static variable.
14347 (root_omp_region): New static variable.
14348 (find_omp_clause): Make static.
14349 (is_in_combined_parallel_ctx): Remove.
14350 (is_combined_parallel): New.
14351 (extract_omp_for_data): Move earlier in the file.
14352 (workshare_safe_to_combine_p): New.
14353 (get_ws_args_for): New.
14354 (determine_parallel_type): Move earlier in the file.
14355 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14357 (omp_copy_decl): Likewise.
14358 (create_omp_child_function): Likewise.
14359 (lookup_omp_region): New.
14360 (dump_omp_region): New.
14361 (debug_omp_region): New.
14362 (debug_all_omp_regions): New.
14363 (new_omp_region): New.
14364 (scan_omp_parallel): If parallel_nesting_level > 1, the
14365 directive is nested within another parallel directive.
14366 Set OMP_PARALLEL_FN.
14367 (scan_omp_for): Do not try to handle combined parallel+for
14369 Remove FIXME comment.
14370 (scan_omp_nested): Remove.
14371 (scan_omp_1): Do not call scan_omp_nested when
14372 parallel_nesting_level is > 1.
14373 Do not change the DECL_CONTEXT of local variables found.
14374 (lookup_decl_in_outer_ctx): New.
14375 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14376 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14377 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14378 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14379 If CTX is nested, lookup VAR in the outer context when
14380 building copy assignment.
14381 (lower_send_clauses): Rename from expand_send_clauses.
14382 If CTX is nested, lookup VAR in the outer context when
14383 building copy assignments.
14384 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14385 If CTX is nested, lookup VAR in the outer context when
14386 building copy assignments.
14387 (expand_parallel_call): Rename from build_parallel_call.
14388 Handle combined parallel+workshare cases.
14389 Re-implement to emit code into the CFG.
14391 (expand_omp_parallel): Re-implement to emit code into the CFG.
14392 Call move_sese_region_to_fn to outline the sub-graph
14393 containing the parallel region.
14394 (expand_omp_for_1): Remove.
14395 (expand_omp_for_generic): Re-implement to emit code into the
14397 (expand_omp_for_static_nochunk): Likewise.
14398 (expand_omp_for_static_chunk): Likewise.
14399 (expand_omp_for): Likewise.
14400 (expand_omp_sections): Likewise.
14401 (remove_exit_barriers): New.
14402 (expand_omp_synch): New.
14404 (build_omp_regions_1): New.
14405 (build_omp_regions): New.
14406 (execute_expand_omp): New.
14407 (gate_expand_omp): New.
14408 (pass_expand_omp): Define.
14409 (lower_omp_sections): Rename from expand_omp_sections.
14410 Set OMP_SECTIONS_SECTIONS.
14411 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14412 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14413 (lower_omp_single): Rename from expand_omp_simple.
14414 (lower_omp_master): Rename from expand_omp_master.
14415 (lower_omp_ordered): Rename from expand_omp_ordered.
14416 (lower_omp_critical): Rename from expand_omp_critical.
14417 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14418 (lower_omp_for): Re-implement.
14419 (lower_omp_parallel): Re-implement.
14420 (lower_regimplify): Rename from expand_regimplify.
14421 (lower_omp_1): Rename from expand_omp_1.
14422 If there are syntax errors in the program, replace every
14423 OpenMP directive with NOP.
14424 Call lower_omp_* instead of expand_omp_*.
14425 (lower_omp): Rename from expand_omp.
14427 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14428 * tree-gimple.h (enum omp_parallel_type): Remove.
14429 (gimple_boolify): Declare extern.
14430 (find_omp_clause, determine_parallel_type): Remove.
14432 * gimple-low.c (lower_omp_directive): New.
14433 (lower_stmt): Call it.
14434 (record_vars_into): Move from ...
14435 (record_vars): ... here.
14436 Call record_vars_into with current_function_decl.
14438 * gimplify.c (struct gimplify_ctx): Remove fields
14439 combined_pre_p and combined_ctxp. Update users.
14440 (get_formal_tmp_var): Add documentation.
14441 (gimple_boolify): Make extern.
14442 (gimplify_expr_in_ctx): Remove. Update callers.
14443 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14444 will always be a BIND_EXPR.
14445 (gimplify_expr): Handle OMP_RETURN_EXPR.
14446 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14447 (OMP_PARALLEL): Add 3 operands.
14448 (OMP_SECTIONS): Add 1 operand.
14449 (OMP_RETURN_EXPR): Define.
14451 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14452 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14453 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14454 creating a circular free list.
14455 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14457 * tree-flow.h (move_sese_region_to_fn): Declare.
14458 (record_vars_into): Declare.
14459 * tree-cfg.c (make_omp_sections_edges): New.
14460 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14461 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14462 OMP_SECTIONS and OMP_SECTION.
14463 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14464 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14465 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14466 (gather_blocks_in_sese_region): New.
14467 (struct move_stmt_d): Declare.
14468 (move_stmt_r): New.
14469 (move_block_to_fn): New.
14470 (move_sese_region_to_fn): New.
14472 * passes.c (init_optimization_passes): Schedule
14473 pass_expand_omp after pass_init_datastructures.
14475 * tree-ssa-operands.c (get_expr_operands): Handle
14476 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14477 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14479 2006-01-19 Jeff Law <law@redhat.com>
14481 * tree-vrp.c (extract_range_from_assert): Refine the result range
14482 if the variable referenced by the ASSERT_EXPR has a range and
14483 either the tentative result range or the previous range is a
14486 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14488 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14490 2006-01-19 Jan Hubicka <jh@suse.cz>
14492 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14494 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14496 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14497 (expand_compound_operation, expand_field_assignment): Fail if the
14498 bit lengths of an extract operation are out of range.
14499 (make_extraction): Compute wanted_inner_mode based on the position
14500 and length of the extraction. Make it extraction_mode for non-constant
14501 positions, and do not modify offset in that case. When generating a
14502 new MEM, use a mode that can hold the extraction while keeping correct
14503 alignment. Remove code that supported MEMs wrapped by USEs.
14504 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14506 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14508 * config/s390/s390.md ("Y", "y"): New mode attribute.
14509 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14510 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14511 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14512 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14513 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14514 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14515 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14516 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14517 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14518 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14519 "addsi3", "subsi3"): Insn patterns removed.
14520 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14521 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14522 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14523 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14524 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14525 "*sub<mode>3_cconly2"): New insn patterns.
14526 ("addsi3", "subsi3"): New expanders.
14528 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14530 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14531 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14532 existing STMT_VINFO_VECTYPE if available.
14533 (vect_mark_relevant): Add special handling for stmts that are
14534 marked as STMT_VINFO_IN_PATTERN_P.
14535 (vect_analyze_loop): Call vect_pattern_recog.
14536 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14537 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14539 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14540 (vect_recog_func_ptr): New function-pointer type.
14541 * tree-vect-patterns.c: New file.
14542 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14543 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14544 (vect_pattern_recog_1): New functions.
14545 (vect_pattern_recog_funcs): New array of function pointers.
14547 * tree-vectorizer.h (ternary_op): New enum value.
14548 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14549 declaration. Revised documentation. Removed redundant dump prints.
14550 Removed redundant argument. Added support for reduction patterns.
14551 (vectorizable_reduction): Added support for reduction patterns.
14552 (vect_transform_stmt): Added support for patterns.
14554 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14555 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14556 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14557 (expand_widen_pattern_expr): New function.
14558 (init_optabs): Initialize new optabs udot_prod_optab,
14560 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14561 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14562 (expand_widen_pattern_expr): New function declaration.
14563 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14565 * tree-inline.c (estimate_num_insns_1): Added cases for new
14566 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14567 * tree-pretty-print.c (dump_generic_node): Likewise.
14568 (op_prio): Likewise.
14569 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14570 * tree-ssa-operands.c (get_expr_operands): Added case for
14572 * tree-vect-patterns.c (widened_name_p): New function.
14573 (vect_recog_dot_prod_pattern): Added function implementation.
14574 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14575 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14576 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14577 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14579 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14580 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14581 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14582 (init_optabs): Initialize new optabs widen_ssum_optab,
14584 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14585 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14586 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14587 use instead of type of def.
14588 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14589 function implementation.
14590 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14591 widen_ssumv8hi): New.
14593 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14596 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14599 * c-decl.c (add_flexible_array_elts_to_size): New function.
14600 (finish_decl): Use it.
14602 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14604 * diagnostic.h: Include options.h.
14605 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14606 dependancies for diagnostic.h.
14607 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14609 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14611 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14612 (ssa_ro_call_cache_valid): Ditto.
14613 * tree-ssa-alias.c (sort_tags_by_id): New function.
14614 (init_transitive_clobber_worklist): Ditto.
14615 (add_to_worklist): Ditto.
14616 (mark_aliases_call_clobbered): Ditto.
14617 (compute_tag_properties): Ditto.
14618 (set_initial_properties): Ditto.
14619 (compute_call_clobbered): Ditto.
14620 (compute_may_aliases): Call compute_call_clobbered and grouping.
14621 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14622 (compute_flow_insensitive_aliasing): Grouping now happens in our
14624 (setup_pointers_and_addressables): Remove clobbering related code.
14625 (add_may_alias): Ditto.
14626 (replace_may_alias): Ditto.
14627 (get_nmt_for): Ditto.
14628 (create_global_var):
14629 (is_escape_site): Return an escape_type enumeration.
14630 * tree-flow-inline.h (is_call_clobbered): Global var does not
14631 imply call clobbered.
14632 (mark_call_clobbered): Take a reason for marking this. Remove
14633 marking of globalness, and cache invalidation.
14634 (clear_call_clobbered): Remove cache invalidation code.
14635 * tree-dfa.c (dump_variable): If details is on, dump the reason
14637 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14639 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14640 (struct var_ann_d): Ditto.
14641 (enum escape_type): New.
14642 (mark_call_clobbered): Adjust prototype.
14643 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14644 are never call clobbered.
14645 Record reasons for escaping.
14646 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14647 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14648 (ssa_ro_call_cache_valid): Ditto.
14649 (clobbered_v_may_defs): Ditto.
14650 (clobbered_vuses): Ditto.
14651 (ro_call_vuses): Ditto.
14652 (clobber_stats): New.
14653 (init_ssa_operands): Zero out clobber stats.
14654 (fini_ssa_operands): Print out clobber stats.
14655 (get_call_expr_operands): Pass callee fndecl to
14656 add_call_read_ops).
14657 (add_call_clobber_ops): Remove use of cache.
14658 Add use of PURE_CONST information.
14659 (add_call_read_ops): Remove use of cache.
14660 Add use of static not_read information.
14662 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14664 Introduce TLS descriptors for i386 and x86_64.
14665 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14666 (TARGET_ANY_GNU_TLS): New macro.
14667 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14668 (struct machine_function): Add tls_descriptor_call_expanded_p.
14669 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14670 (ix86_current_function_calls_tls_descriptor): Likewise.
14671 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14672 (override_options): Introduce gnu2 tls dialect.
14673 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14675 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14677 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14678 (ix86_init_machine_status): Initialize new field.
14679 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14680 (ix86_tls_module_base): New.
14681 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14682 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14683 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14684 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14685 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14686 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14687 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14688 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14689 * config/i386/predicates.md (tls_modbase_operand): New.
14690 (tp_or_register_operand): New.
14692 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14694 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14695 (look_for_address_of): Ditto.
14696 (ipa_init): Walk the function decls.
14697 (static_execute): Don't set readonly on FUNCTION_DECL's.
14699 2006-01-18 Roger Sayle <roger@eyesopen.com>
14701 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14702 for shifts where the source and destination registers are different.
14704 2006-01-18 Paul Brook <paul@codesourcery.com>
14706 Merge from csl-arm-branch.
14707 2005-03-14 Julian Brown <julian@codesourcery.com>
14708 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14709 (aeabi_llsl): Likewise.
14710 (ashrdi3): Likewise.
14711 (aeabi_lasr): Likewise.
14712 (lshrdi3): Likewise.
14713 (aeabi_llsr): Likewise.
14714 2005-03-10 Julian Brown <julian@codesourcery.com>
14715 * config.gcc: Disable shared libgcc for SymbianOS.
14716 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14718 2006-01-18 DJ Delorie <dj@redhat.com>
14720 * c-pragma.c (handle_pragma_diagnostic): New.
14721 (init_pragma): Register it.
14722 * doc/extend.texi: Document it.
14724 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14725 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14726 (diagnostic_context): Add classify_diagnostic[].
14727 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14728 as errors if they're overridden to DK_WARNING.
14729 (diagnostic_initialize): Initialize classify_diagnostic[].
14730 (diagnostic_set_kind_override): New.
14731 (diagnostic_report_diagnostic): Check for kind changes.
14732 * opts.c (common_handle_option): Take lang_mask. Update callers.
14733 Handle OPT_Werror_.
14734 * common.opt (Werror=): New.
14735 * doc/invoke.texi: Document -Werror=*
14737 2006-01-18 Jeff Law <law@redhat.com>
14739 * tree-vrp.c (test_for_singularity): Correct test for new
14740 min limit. Use operand_equal_p rather than pointer equality
14741 for testing if new min/max values are equal.
14743 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14744 using range information until after propagation and folding.
14746 2006-01-18 Richard Henderson <rth@redhat.com>
14747 Aldy Hernandez <aldyh@redhat.com>
14748 Jakub Jelinek <jakub@redhat.com>
14749 Diego Novillo <dnovillo@redhat.com>
14751 * omp-low.c: New file.
14752 * c-omp.c: New file.
14754 2006-01-18 Richard Henderson <rth@redhat.com>
14755 Jakub Jelinek <jakub@redhat.com>
14756 Diego Novillo <dnovillo@redhat.com>
14758 * doc/invoke.texi: Document -fopenmp.
14759 * tree-dump.h (debug_function): Declare.
14760 * hooks.c (hook_bool_tree_bool_false): New function.
14761 (hook_tree_tree_null): Remove.
14762 (hook_tree_tree_tree_null): New.
14763 * hooks.h: Update to match.
14764 * tree-pretty-print.c (debug_tree_chain): New.
14765 (print_generic_expr): Handle TDF_CHAIN.
14766 (dump_generic_node): Handle BLOCK.
14767 Do not abort with incomplete SWITCH_EXPRs.
14768 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14769 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14770 print space after directive name.
14771 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14772 Handle OMP_MASTER and OMP_ORDERED.
14773 Handle printing of OMP_BODY just in one place, goto
14774 dump_omp_body in the rest of OMP_* nodes that have
14776 Don't handle clause nodes here. Update omp statements to
14777 use dump_omp_clauses.
14778 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14779 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14780 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14781 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14782 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14783 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14784 Adjust output for GOMP_PARALLEL.
14785 (dump_omp_clauses): New.
14786 (print_declaration): Dump DECL_VALUE_EXPR.
14787 (op_symbol_1): Split out of op_symbol.
14788 (dumping_stmts): Remove. Update all users.
14789 * cgraph.c (cgraph_analyze_queue): New.
14790 (cgraph_add_new_function): New.
14791 * cgraph.h (cgraph_analyze_queue): Declare.
14792 (cgraph_add_new_function): Declare.
14793 (cgraph_lower_function): Remove.
14794 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14795 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14796 and TYPE_P nodes in its default clause.
14797 (empty_body_p): New.
14798 (tree_range_check_failed): New.
14799 (build5_stat): New.
14800 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14801 OMP_CLAUSE_REDUCTION_MERGE,
14802 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14803 OMP_CLAUSE_PRIVATE_DEBUG,
14804 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14805 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14806 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14807 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14808 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14809 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14810 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14811 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14812 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14813 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14814 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14815 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14816 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14817 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14818 (TREE_RANGE_CHECK): New.
14819 (empty_body_p): Declare.
14820 (enum omp_clause_default_kind): New.
14821 (build_string_literal): Declare.
14822 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14823 (build5_stat, build5): Declare.
14824 * tree-pass.h (TDF_CHAIN): Define.
14825 * tree-pass.h (PROP_gimple_lomp): Define.
14826 (pass_lower_omp): Declare.
14827 * diagnostic.h (debug_tree_chain): Declare.
14828 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14830 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14831 * builtins.c (build_string_literal): Make extern.
14832 * gcc.c (include_spec_function): New.
14833 (static_spec_functions): Add it.
14834 (main): Move load of libgomp.spec ...
14835 (LINK_COMMAND_SPEC): ... here.
14836 (link_gomp_spec): New.
14837 (static_specs): Include it.
14838 (LINK_COMMAND_SPEC): Add link_gomp.
14839 (GOMP_SELF_SPECS): New.
14840 (driver_self_specs): Include it.
14841 (switch_matches): Don't mark inline.
14842 (main): Load libgomp.spec.
14843 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14844 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14845 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14846 * tree-gimple.h (enum omp_parallel): Declare.
14847 (determine_parallel_type): Declare.
14848 (omp_firstprivatize_variable): Declare.
14849 (omp_reduction_init): Declare.
14850 (diagnose_omp_structured_block_errors): Declare.
14851 (struct walk_stmt_info): Add want_return_expr.
14852 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14853 (find_omp_clause): Declare.
14854 (insert_field_into_struct): Declare.
14855 (struct walk_stmt_info): Move from tree-nested.c
14856 (walk_stmts): Declare.
14857 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14859 * cgraphunit.c (cgraph_lower_function): Make static.
14860 (cgraph_finalize_pending_functions): New.
14861 (cgraph_finalize_function): Call it.
14862 (cgraph_finalize_compilation_unit): Likewise.
14863 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14864 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14865 (BT_FN_UINT_UINT): New.
14866 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14867 DEF_FUNCTION_TYPE_VAR_4): Document.
14868 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14869 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14870 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14871 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14872 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14873 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14874 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14875 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14876 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14877 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14878 into separate files.
14879 (DEF_GOMP_BUILTIN): New.
14880 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14881 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14882 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14883 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14884 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14885 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14886 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14887 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14888 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14889 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14890 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14891 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14892 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14893 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14894 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14895 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14896 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14897 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14898 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14899 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14900 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14901 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14902 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14903 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14904 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14905 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14906 * sync-builtins.def: New file, moved from builtins.def.
14907 * omp-builtins.def: New file, moved from builtins.def.
14908 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14909 * gimple-low.c (lower_function_body): Clear data.
14910 (lower_stmt): Do not handle COMPOUND_EXPR.
14911 Remove call to print_node_brief.
14912 * c-tree.h (c_finish_omp_clauses): New prototype.
14913 (C_DECL_THREADPRIVATE_P): Define.
14914 (lookup_name_no_remap, c_omp_remap_private): Remove
14915 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14916 (check_for_loop_decls): Update decl.
14917 (lookup_name_no_remap, c_omp_remap_private): Declare.
14918 (build_indirect_ref, build_modify_expr, pushdecl,
14919 pushdecl_top_level): Move to c-common.h.
14920 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14921 before the switch, but just in the 2 places that need it.
14922 * c-decl.c (diagnose_mismatched_decls): Do not check for
14923 mismatched thread-local attributes when OLDDECL is marked
14924 threadprivate and NEWDECL has no thread-local attributes.
14925 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14926 (c_gimple_diagnostics_recursively): Rename from
14927 c_warn_unused_result_recursively. Invoke
14928 diagnose_omp_structured_block_errors.
14929 (check_for_loop_decls): Return a singular decl found.
14930 * langhooks.c (lhd_omp_predetermined_sharing): Return
14931 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14932 (lhd_omp_firstprivatize_type_sizes): New.
14933 (lhd_omp_assignment): New.
14934 (lhd_omp_predetermined_sharing): New.
14935 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14936 (struct lang_hooks_for_types): Add
14937 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14938 omp_predetermined_sharing, omp_disregard_value_expr,
14939 omp_private_debug_clause, omp_clause_default_ctor,
14940 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14941 (c_finish_omp_clauses): New.
14942 (c_finish_bc_stmt): Diagnose break within omp for.
14943 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14944 (build_unary_op): Return error_mark after reporting
14946 (build_modify_expr): Likewise.
14947 * gimplify.c: Include optabs.h and pointer-set.h.
14948 (enum gimplify_omp_var_data): Declare.
14949 (struct gimplify_omp_ctx): Declare.
14950 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14952 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14953 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14954 (splay_tree_compare_decl_uid): New.
14955 (new_omp_context): New.
14956 (delete_omp_context): New.
14957 (gimple_add_tmp_var): Call omp_add_variable.
14958 (gimplify_bind_expr): Likewise.
14959 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14960 true, disregard DECL_VALUE_EXPR on the decl if any.
14961 (gimplify_expr_in_ctx): New.
14962 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14963 omp_add_variable, omp_notice_variable, omp_is_private
14964 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14965 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14966 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14967 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14968 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14969 gimplify_omp_atomic): New.
14970 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14971 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14972 OMP_CRITICAL and OMP_ATOMIC.
14973 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14974 * c-pragma.h (enum pragma_kind): Add
14975 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14976 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14977 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14978 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14979 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14980 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14981 PRAGMA_OMP_THREADPRIVATE.
14982 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14983 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14984 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14985 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14986 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14987 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14988 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14989 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14990 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14991 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14992 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14993 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14994 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14996 (struct nesting_info): Add field_map,
14997 suppress_expansion, debug_var_chain.
14998 (create_nesting_tree): Initialize them.
14999 (lookup_field_for_decl): Use field_map.
15000 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15001 (convert_local_omp_clauses): New.
15002 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15003 (walk_body): Split out of walk_function.
15004 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15005 (convert_nonlocal_reference): Handle omp statements.
15006 (convert_local_reference): Likewise.
15007 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15008 (unnest_nesting_tree): New.
15009 (lower_nested_functions): Call it.
15010 (insert_field_into_struct): Make extern.
15011 (struct walk_stmt_info): Move to tree-gimple.h.
15012 (walk_stmts): Make extern.
15013 * omp-builtins.def: New file.
15014 * tree-iterator.c (expr_only): Clarify comment.
15015 * c-common.h (pushdecl_top_level, pushdecl,
15016 build_modify_expr, build_indirect_ref,
15017 c_finish_omp_master, c_finish_omp_critical,
15018 c_finish_omp_ordered, c_finish_omp_barrier,
15019 c_finish_omp_atomic, c_finish_omp_flush,
15020 c_finish_omp_for, c_split_parallel_clauses,
15021 omp_clause_default_kind, c_omp_sharing_predetermined,
15022 c_omp_remap_decl): Declare.
15023 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15024 (OBJS-common): Add omp-low.o.
15025 (c-omp.o, omp-low.o): Add.
15026 (gimplify.o): Add dependency on $(OPTABS_H).
15027 (GTFILES): Add omp-low.c.
15028 (gt-stringpool.h): Add.
15029 * tree-cfg.c (set_bb_for_stmt): Do not update the
15030 block-to-labels map if we are currently expanding to RTL.
15031 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15033 Handle IDENTIFIER_NODE.
15034 (tree_verify_flow_info): Do not ICE when emitting error
15035 messages about invalid labels.
15036 (dump_function_to_file): Reset CFUN before emitting the body
15038 (debug_function): New.
15039 * passes.c (init_optimization_passes): Schedule
15041 * langhooks-def.h (lhd_omp_predetermined_sharing,
15042 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15044 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15045 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15046 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15047 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15048 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15049 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15050 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15051 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15052 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15053 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15054 (LANG_HOOK_DECLS): Use them.
15056 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15057 Richard Henderson <rth@redhat.com>
15058 Jakub Jelinek <jakub@redhat.com>
15059 Diego Novillo <dnovillo@redhat.com>
15061 * c-parser.c (pragma_omp_clause): Define.
15062 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15063 (c_parser_compound_statement): Likewise.
15064 (c_parser_statement): Likewise.
15065 (c_parser_pragma): Handle omp pragmas.
15066 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15067 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15068 (c_parser_omp_clause_name, check_no_duplicate_clause,
15069 c_parser_omp_variable_list,
15070 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15071 c_parser_omp_clause_copyprivate,
15072 c_parser_omp_clause_default,
15073 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15074 c_parser_omp_clause_lastprivate,
15075 c_parser_omp_clause_nowait,
15076 c_parser_omp_clause_num_threads,
15077 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15078 c_parser_omp_clause_reduction,
15079 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15080 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15081 c_parser_omp_atomic, c_parser_omp_barrier,
15082 c_parser_omp_critical, c_parser_omp_flush,
15083 c_parser_omp_for_loop, c_parser_omp_for,
15084 c_parser_omp_master, c_parser_omp_ordered,
15085 c_parser_omp_sections_scope, c_parser_omp_sections,
15086 c_parser_omp_parallel, c_parser_omp_single,
15087 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15088 * c-pragma.c (init_pragma): Do omp pragma registration here.
15089 * c.opt (fopenmp): New flag.
15091 2006-01-18 Eric Christopher <echristo@apple.com>
15093 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15094 * config/darwin.h (GOMP_SELF_SPECS): Define.
15096 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15098 * rtl.h: Remove the prototype for reg_alloc.
15100 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15103 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15104 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15105 sjlj and dwarf2 exception handling.
15106 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15107 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15108 * pa/pa.c (function_value): Treat complex and vector types as
15110 (function_arg): Likewise. Only pass scalar floats in the floating
15111 point argument registers.
15112 * pa/t-slibgcc-dwarf-ver: New file.
15113 * pa/t-slibgcc-sjlj-ver: New file.
15114 * pa/t-slibgcc-elf-ver: Delete file.
15116 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15118 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15119 unlikely_test_section_p test.
15121 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15123 * mode-switching.c (optimize_mode_switching): Make it static.
15124 * basic-block.h: Remove the prototype for
15125 optimize_mode_switching.
15127 * modulo-sched.c (sms_schedule): Make it static.
15128 * rtl.h: Remove the prototype for sms_schedule.
15130 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15131 * rtl.h: Remove the prototype for gcse_after_reload_main.
15133 * reg-stack.c (reg_to_stack): Make it static.
15134 * rtl.h: Remove the prototype for reg_to_stack.
15136 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15138 * rtl.h: Remove the prototypes for regrename_optimize and
15139 copyprop_hardreg_forward.
15141 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15143 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15144 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15145 Test against the appropriate null constant for the mode.
15146 If 'fixup_overlap' is true, swap the operands if they overlap.
15147 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15148 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15149 alpha_split_tmode_pair and adjust for above change.
15150 * config/alpha/alpha.md (movtf_internal): Adjust call to
15151 alpha_split_tfmode_pair and rely on it to swap the operands.
15152 (movti_internal): New insn and post-reload splitter.
15153 (movti): New expander.
15155 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15157 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15160 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15162 * rtlanal.c (global_reg_mentioned_p_1,
15163 global_reg_mentioned_p): Remove.
15164 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15166 * flow.c (initialize_uninitialized_subregs): Make it static.
15167 * rtl.h: Remove the prototype for
15168 initialize_uninitialized_subregs.
15170 * function.c (instantiate_virtual_regs): Make it static.
15171 * function.h: Remove the prototype for
15172 instantiate_virtual_regs.
15174 * regmove.c (regmove_optimize, combine_stack_adjustments):
15176 * rtl.h: Remove the prototypes for regmove_optimize and
15177 combine_stack_adjustments.
15179 2006-01-17 Roger Sayle <roger@eyesopen.com>
15181 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15182 (size_cost): Encode costs in bytes so that a reg-reg addition is
15183 equivalent to COSTS_N_INSNS(1).
15184 (override_options): Use the size_cost.branch_cost as the default
15185 ix86_branch_cost when optimizing for size.
15187 2006-01-18 Ben Elliston <bje@au.ibm.com>
15189 * Makefile.in (D32PBIT_FUNCS): New.
15190 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15191 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15192 D64PBIT_FUNCS and D128PBIT_FUNCS.
15193 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15194 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15196 (decnumber_dep): Define.
15197 * doc/libgcc.texi (Decimal float library routines): New node.
15198 * config/dfp-bit.h, config/dfp-bit.c: New files.
15200 2006-01-18 Ben Elliston <bje@au.ibm.com>
15202 * expr.c (emit_move_change_mode): Always adjust addresses, not
15203 just during reload. Copy replacements only during reload.
15204 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15205 emit_move_via_integer.
15207 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15209 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15210 instead of $(srcdir) and ${srcdir}.
15212 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15215 PR middle-end/11135
15216 * arm.h (struct machine_function): Add pic_reg.
15217 * arm.c (arm_pic_register): Make unsigned.
15218 (arm_override_options): Only set arm_pic_register if
15219 TARGET_SINGLE_PIC_BASE.
15220 (use_return_insn): Only test for a pic register if it is fixed.
15221 (arm_compute_save_reg0_reg12_mask): Likewise.
15222 (thumb_compute_save_reg_mask): Likewise.
15223 (legitimate_pic_operand): Factor out some known invariants.
15224 (legitimize_pic_address): If we don't have a fixed pic register,
15225 then set up a pseudo in the function entry sequence. Handle the
15226 pic base being in a pseudo.
15227 (arm_load_pic_register): Handle the pic register being in a pseudo.
15228 (arm_expand_prologue): Only set up the pic register if it is fixed.
15229 (thumb_expand_prologue): Likewise.
15230 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15231 (pic_load_addr_based_insn): Likewise.
15232 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15235 2006-01-18 Ben Elliston <bje@au.ibm.com>
15237 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15238 decimal float modes for all floating point registers.
15240 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15241 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15243 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15246 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15247 even when the pointer is not NULL.
15249 2006-01-16 Ian Lance Taylor <ian@airs.com>
15251 * common.opt (ftoplevel-reorder): New option.
15252 * cgraph.c (cgraph_asm_nodes): New global variable.
15253 (cgraph_asm_last_node): New static variable.
15254 (cgraph_order): New global variable.
15255 (cgraph_create_node): Set new order field.
15256 (cgraph_varpool_node): Likewise.
15257 (decide_is_variable_needed): Return true if not
15258 flag_toplevel_reorder.
15259 (cgraph_add_asm_node): New function.
15260 * cgraph.h (struct cgraph_node): Add order field.
15261 (struct cgraph_varpool_node): Add order field.
15262 (struct cgraph_asm_node): Define.
15263 (cgraph_asm_nodes, cgraph_order): Declare.
15264 (cgraph_add_asm_node): Declare.
15265 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15267 (cgraph_varpool_assemble_pending_decls): Call it.
15268 (cgraph_output_pending_asms): New static function.
15269 (cgraph_finalize_compilation_unit): Call it.
15270 (struct cgraph_order_sort): Define.
15271 (cgraph_output_in_order): New static function.
15272 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15273 !flag_toplevel_reorder case.
15274 * c-parser.c: Include "cgraph.h".
15275 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15277 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15278 than -fno-unit-at-a-time.
15279 * doc/invoke.texi (Option Summary): Mention
15280 -fno-toplevel-reorder.
15281 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15282 -funit-at-a-time documentation.
15284 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15285 Kazu Hirata <kazu@codesourcery.com>
15287 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15289 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15291 * Makefile.in (FUNCTION_H): New. Use it instead of
15292 function.h throughout the file.
15293 * function.h: Include tree.h.
15295 2006-01-17 Ben Elliston <bje@au.ibm.com>
15297 * recog.c: Separate some functions with whitespace.
15299 2006-01-16 Richard Henderson <rth@redhat.com>
15301 Merge from gomp branch:
15302 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15303 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15304 and rename from struct inline_data. Rename callee* to dst*;
15305 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15306 transform_new_cfg, transform_return_to_modify, and
15307 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15309 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15310 (copy_decl_for_dup): Remove.
15311 * tree-inline.c (struct inline_data): Move to header.
15312 (insert_decl_map): Export.
15313 (remap_decl): Update for member name changes. Use copy_decl hook.
15314 Allow for replacement to be a non-decl. Remove dead code.
15315 (remap_type_1): Check for existing mapping.
15316 (remap_type): Export.
15317 (remap_decls): Update for member name changes.
15318 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15319 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15320 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15321 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15322 (tree_function_versioning, build_duplicate_type): Likewise.
15323 (copy_body_r): Likewise. Export.
15324 (copy_decl_for_dup): Split into ...
15325 (copy_decl_for_dup_finish, copy_decl_to_var,
15326 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15327 (replace_ref_tree, inlining_p): Remove.
15329 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15331 * ifcvt.c (if_convert): Make it static.
15332 * rtl.h: Remove the prototype for if_convert.
15334 * local-alloc.c (local_alloc): Make it static.
15335 * rtl.h: Remove the prototype for local_alloc.
15337 * loop.c (loop_optimize): Make it static.
15338 * cfgloop.h: Remove the prototype for loop_optimize.
15341 2006-01-16 DJ Delorie <dj@redhat.com>
15343 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15346 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15348 * pa.md: Disparage copies between general and floating-point registers
15349 in 32-bit move patterns.
15351 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15354 * Makefile.in (check-%): Depend on site.exp instead of
15355 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15358 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15360 * global.c (global_alloc): Make it static.
15361 * rtl.h: Remove the prototype for global_alloc.
15363 2006-01-16 Richard Guenther <rguenther@suse.de>
15365 * tree-ssa-alias.c (struct used_part): Add write_only field.
15366 (get_or_create_used_part_for): Initialize it to true.
15367 (create_overlap_variables_for): Don't create structure variables
15368 for structures that only are written to.
15369 (find_used_portions): Handle MODIFY_EXPR to track whether a
15370 structure is only written to.
15372 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15374 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15376 * basic-block.h: Remove the prototype for
15377 partition_hot_cold_basic_blocks.
15379 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15381 * cppspec.c (lang_specific_spec_functions): Remove.
15382 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15383 * gcc.h (lang_specific_spec_functions): Remove.
15384 * gccspec.c (lang_specific_spec_functions): Remove.
15386 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15388 * combine.c (record_value_for_reg): Invalidate registers
15390 (record_dead_and_set_regs_1): Likewise, by passing them to
15391 record_value_for_reg.
15392 (record_dead_and_set_regs): Invalidate stores made by a
15393 call. We do not combine across a call, but we still
15394 relied on equivalences.
15396 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15398 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15399 vrp_int_const_binop returning non-constant nodes.
15401 2006-01-16 Paul Brook <paul@codesourcery.com>
15403 * config/m68k/m68k.c (output_move_const_into_data_reg):
15404 Output correct mnemonic for mvz and mvs.
15406 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15408 * rtl-factoring.c: Add sequence abstraction algorithm.
15409 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15410 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15412 (block_has_preserve_label): New function.
15413 * common.opt: Register new pass.
15414 * Makefile.in: Ditto.
15416 * timevar.def: Ditto.
15417 * tree-pass.h: Ditto.
15418 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15419 * rtl.h (make_jump_insn_raw): Add forward decl.
15420 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15422 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15423 Roger Sayle <roger@eyesopen.com>
15425 * fold-const.c (fold_minmax): New static function.
15426 (fold_binary) <MIN_EXPR>: Call it.
15427 <MAX_EXPR>: Likewise.
15428 * stor-layout.c (place_field): Use DECL_SIZE consistently
15429 in the computation of the new record size.
15431 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15433 * cse.c (cse_condition_code_reg): Make it static.
15434 * rtl.h: Remove the prototype for cse_condition_code_reg.
15436 * combine.c (combine_instructions): Make it static.
15437 * rtl.h: Remove the prototype for combine_instructions.
15439 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15442 * tree.c (get_file_function_name_long): Concatenate the first global
15443 object name with a string derived from the input filename of the object
15446 2006-01-16 Ben Elliston <bje@au.ibm.com>
15448 * config/i386/winnt-stubs.c: Update FSF address.
15449 * config/xtensa/ieee754-df.S: Ditto.
15450 * config/xtensa/ieee754-sf.S: Ditto.
15452 2006-01-14 Ian Lance Taylor <ian@airs.com>
15454 * ifcvt.c (noce_init_if_info): New static function, broken out of
15455 noce_process_if_block.
15456 (noce_process_if_block): Call noce_init_if_info.
15457 (check_cond_move_block): New static function.
15458 (cond_move_process_if_block): New static function.
15459 (process_if_block): Call cond_move_process_if_block.
15461 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15463 * cselib.c (hash_table): Rename to cselib_hash_table.
15464 (cselib_clear_table, discard_useless_values,
15465 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15466 cselib_init, cselib_finish): Adjust uses of hash_table.
15468 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15470 PR tree-optimization/25485
15471 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15472 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15473 is known to be false and true, respectively.
15475 2006-01-14 Richard Guenther <rguenther@suse.de>
15477 PR tree-optimization/22548
15478 PR tree-optimization/22555
15479 PR tree-optimization/22501
15480 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15481 * params.def (salias-max-array-elements): New parameter.
15482 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15483 * doc/invoke.texi (salias-max-array-elements): Document.
15484 * tree-flow-inline.h (var_can_have_subvars): We also handle
15486 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15488 * tree-ssa-structalias.c (params.h): Include.
15489 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15490 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15491 (get_constraint_for): For ADDR_EXPR operating on something
15492 containing an ARRAY_REF, add all subvars to the solution.
15493 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15494 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15495 for creating MUST_DEFs.
15496 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15498 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15500 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15502 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15503 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15504 number_of_iterations_le): New functions.
15505 (number_of_iterations_special): Removed.
15506 (number_of_iterations_exit): Do not use number_of_iterations_special.
15507 * tree.c (unsigned_type_for): Always return integer type.
15509 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15510 Richard Guenther <rguenther@suse.de>
15512 PR rtl-optimization/24257
15513 * gcse.c (find_moveable_store): Only consider a store movable
15514 when the SET_SRC of the insn can be assigned to a register.
15516 2006-01-14 Ian Lance Taylor <ian@airs.com>
15518 * tree.c (tree_not_class_check_failed): New function.
15519 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15520 (tree_not_class_check_failed): Declare.
15522 2006-01-13 Ian Lance Taylor <ian@airs.com>
15524 * reload1.c (do_output_reload): Add assertion rejecting a
15527 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15529 * combine.c (struct reg_stat): Add new fields truncation_label and
15531 (record_value_for_reg): Reset truncated_to_mode.
15532 (record_truncated_value): New function.
15533 (check_promoted_subreg): Call it. Rename to check_conversions.
15534 (combine_instructions): Rename check_promoted_subreg to
15536 (reg_truncated_to_mode): New function.
15537 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15538 (gen_lowpart_or_truncate): New function.
15539 (force_to_mode): Use it instead of gen_lowpart.
15541 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15543 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15544 VAR is a tag, not its type tag.
15546 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15548 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15549 alternatives to match style of other entries.
15550 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15552 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15554 PR tree-optimization/25771
15555 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15558 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15561 * tree-inline.c (declare_return_variable): If the return variable
15562 was marked as a non gimple complex, set the return slot variable
15563 to be a non gimple comple variable.
15565 2006-01-13 Richard Guenther <rguenther@suse.de>
15567 * builtins.c (expand_builtin_sincos): New function.
15568 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15570 (expand_builtin): Expand sincos using expand_builtin_sincos.
15572 2006-01-12 DJ Delorie <dj@redhat.com>
15574 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15575 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15576 so that constant shifts can be split.
15577 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15578 (m32c_valid_pointer_mode): Make static.
15579 (shift_gen_func_for): New.
15580 (m32c_prepare_shift): Use it. Split large const shifts into
15582 * config/m32c/predicates.md (shiftcount_operand): Allow more
15584 (longshiftcount_operand): New.
15585 * doc/md.texi (Machine Constraints): Document In6.
15587 2006-01-13 Ben Elliston <bje@au.ibm.com>
15589 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15590 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15593 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15595 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15596 to try to avoid clobbering pieces of structures when we know
15597 something about the whole structure.
15598 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15600 2006-01-13 Ben Elliston <bje@au.ibm.com>
15602 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15603 return in memory, as this is no limitation is no longer present.
15605 2006-01-12 DJ Delorie <dj@redhat.com>
15607 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15608 mova with fb, and for fb+0 -> An.
15610 * config/m32c/mov.md (peephole2): Fix enabling logic.
15612 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15613 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15614 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15615 FINI_ARRAY_SECTION_ASM_OP): Define.
15617 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15619 (m32c_legitimize_reload_address): New logic to reload FB to An.
15620 (m32c_output_reg_push): Add newline.
15621 (m32c_output_reg_pop): Likewise.
15623 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15625 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15627 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15629 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15631 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15633 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15636 2006-01-11 Ben Elliston <bje@au.ibm.com>
15638 * rtlanal.c (find_reg_note): Assert insn is not null.
15640 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15642 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15645 2006-01-11 Jeff Law <law@redhat.com>
15647 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15649 (mark_threaded_blocks, register_jump_thread): New functions.
15650 (thread_through_all_blocks): Remove unwanted argument. No
15651 longer rely on e->aux to communicate thread target info.
15652 Call mark_threaded_blocks. Release the threaded_blocks
15653 bitmap and threaded_edges vector when complete.
15654 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15655 (threaded_blocks): Remove.
15656 (tree_ssa_dominator_optimize): Remove initialization and
15657 finalization of threaded_blocks. Simplify call to
15658 thread_through_all_blocks.
15659 (thread_across_edge): Call register_jump_thread rather than
15660 storing thread information into e->aux.
15661 (free_all_edge_infos): Simplify now that e->aux is no longer
15662 used to communicate with thread_through_all_blocks.
15663 * tree-flow.h (thread_through_all_blocks): Update prototype.
15664 (register_jump_thread): Prototype.
15666 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15668 * df-core.c (df_compact_blocks, df_bb_replace): Use
15669 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15671 2006-01-11 Richard Guenther <rguenther@suse.de>
15673 PR tree-optimization/25734
15674 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15675 stop propagation after successful propagation to the LHS.
15677 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15679 * basic-block.h (control_flow_graph): Change the type of
15680 x_basic_block_info to VEC(basic_block,gc) *.
15681 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15683 (SET_BASIC_BLOCK): New.
15684 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15685 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15686 * cfgbuild.c (find_basic_blocks): Likewise.
15687 * cfglayout.c (fixup_reorder_chain): Likewise.
15688 * cfgrtl.c (create_basic_block_structure,
15689 rtl_create_basic_block): Likewise.
15690 * ifcvt.c (find_if_case_1): Likewise.
15691 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15694 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15696 * Makefile.in: Removed rotted odf.c entry.
15698 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15701 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15702 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15703 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15704 output pattern modifier, not %e.
15705 * config/cris/cris.c (cris_op_str): Update comment about pattern
15707 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15708 before falling through into...
15709 <case 'E'>: Redefined from old 'e' case.
15711 2006-01-11 Jan Hubicka <jh@suse.cz>
15714 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15716 2006-01-11 Jan Hubicka <jh@suse.cz>
15718 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15719 * i386.c (x86_decompose_lea): Kill.
15720 (ix86_rtx_costs): Kill.
15722 2006-01-11 Jan Hubicka <jh@suse.cz>
15724 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15725 * cgraph.h (cgraph_node): Add inline_decl.
15726 (cgraph_insert_node_to_hashtable): Declare.
15727 (save_inline_function_body): Declare.
15728 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15730 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15731 (cgraph_function_versioning): Update call of tree_function_versioning.
15732 (save_inline_function_body): New function.
15733 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15734 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15735 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15736 (cgraph_default_inline_p): Likewise.
15737 (cgraph_decide_inlining_incrementally): Likewise.
15738 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15739 (copy_bb): Kill saving; do updating of clones.
15740 (copy_cfg_body): Kill saving.
15741 (initialize_inlined-parameters): Likewise.
15742 (expand_call_inline): Likewise.
15744 (tree_function_versioning): New parameter "update_clones".
15745 (inlining_p): Kill saving.
15746 * tree-inline.h (tree_function_versioning): Update prototype.
15747 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15750 2006-01-11 Ian Lance Taylor <ian@airs.com>
15752 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15753 Allow undoing set of machine mode.
15754 (do_SUBST): Use enums instead of is_int.
15755 (do_SUBST_MODE): New function.
15756 (SUBST_MODE): New macro.
15757 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15758 reg and trying to replace reg_regno_rtx with a new register.
15759 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15760 (simplify_set): Use SUBST_MODE.
15761 (distribute_notes): Remove code that tried to update reg notes
15762 for regno_reg_rtx changes.
15764 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15766 PR tree-optimization/23109
15767 PR tree-optimization/23948
15768 PR tree-optimization/24123
15770 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15771 * tree-cfg.c (single_noncomplex_succ): New.
15772 * tree-flow.h (single_noncomplex_succ): Declare it.
15773 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15774 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15775 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15776 insert_bb, register_division_in, insert_reciprocals,
15777 replace_reciprocal, free_bb): New.
15778 (execute_cse_reciprocals_1): Rewritten.
15779 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15780 Do not commit any edge insertion. Always compute dominators and
15781 create the allocation pool.
15782 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15783 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15784 * targhooks.c (default_min_divistions_for_recip_mul): New.
15785 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15786 * passes.c (init_optimization_passes): Run recip after tree loop
15788 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15790 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15791 Kenneth Zadeck <zadeck@naturalbridge.com>
15793 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15794 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15795 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15796 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15797 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15798 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15799 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15800 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15801 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15802 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15803 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15804 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15805 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15806 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15807 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15808 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15809 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15810 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15811 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15812 DF_SCAN_POST_ALLOC): New macros.
15813 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15814 df_free_bb_function, df_local_compute_function, df_init_function,
15815 df_dataflow_function, df_confluence_function_0,
15816 df_confluence_function_n, df_transfer_function,
15817 df_finalizer_function, df_free_function, df_dump_problem_function,
15818 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15819 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15820 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15821 df_urec_bb_info, ) New types.
15822 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15824 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15825 df_analyze_simple_change_some_blocks,
15826 df_analyze_simple_change_one_block, df_compact_blocks,
15827 df_bb_replace, df_bb_regno_last_use_find,
15828 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15829 df_insn_regno_def_p, df_find_def, df_find_use,
15830 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15831 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15832 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15833 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15834 debug_df_chain, df_get_dependent_problem, df_chain_create,
15835 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15836 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15837 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15838 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15839 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15840 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15841 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15842 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15843 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15844 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15845 df_reorganize_refs, df_set_state, df_hard_reg_init,
15846 df_read_modify_subreg_p) New public functions.
15847 * df-core.c: The core dataflow solver and glue routines for rtl
15849 (df_init, df_add_problem, df_set_blocks, df_finish,
15850 df_hybrid_search_forward, df_hybrid_search_backward,
15851 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15852 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15853 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15854 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15855 df_reg_defined, df_find_use, df_reg_used, df_dump,
15856 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15857 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15858 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15859 debug_df_useno, reset_df_after_reload): New functions.
15860 * df-scan.c: The scanning fuctions, once in df.c, completely
15861 rewritten so that they now fully model the functionality of
15862 register usage at the backend.
15863 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15864 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15865 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15866 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15867 df_get_artificial_defs, df_get_artificial_uses,
15868 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15869 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15870 df_refs_delete, df_reorganize_refs, df_set_state,
15871 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15872 df_def_record_1, df_defs_record, df_uses_record,
15873 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15874 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15875 df_record_exit_block_uses, df_hard_reg_init): New functions.
15877 * df-problems.c: Seven concrete dataflow problems that use the
15878 scanning in df-scan.c and are solved by the engine in df-core.c.
15879 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15880 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15881 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15882 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15883 df_ru_free_bb_info, df_ru_alloc,
15884 df_ru_bb_local_compute_process_def,
15885 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15886 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15887 df_ru_transfer_function, df_ru_free, df_ru_dump,
15888 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15889 df_rd_free_bb_info, df_rd_alloc,
15890 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15891 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15892 df_rd_transfer_function, df_rd_free, df_rd_dump,
15893 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15894 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15895 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15896 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15897 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15898 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15899 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15900 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15901 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15902 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15903 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15904 df_urec_mark_reg_use_for_earlyclobber,
15905 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15906 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15907 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15908 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15909 df_chain_create_bb_process_use, df_chain_create_bb,
15910 df_chain_finalize, df_chain_free, df_chains_dump,
15911 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15912 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15913 df_reg_lifetime): New functions.
15914 * df.c: Deleted file.
15915 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15916 consistent with new df api.
15917 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15918 rest_of_handle_sms): Ditto.
15919 * web.c (unionfind_union, union_defs, entry_register, web_main):
15921 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15922 invariant_expr_equal_p, find_defs, check_dependencies,
15923 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15924 free_inv_motion_data, move_loop_invariants): Ditto.
15925 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15926 Update dependencies.
15927 (odf.c): Added defective entry that was deleted later in day.
15928 * sched-deps.c (sched_analyze_1): Ditto.
15930 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15932 * tree-ssa-operands.c (get_expr_operands): Record addressable
15933 variables directly. Do not call add_stmt_operands for CONST_DECLs
15935 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15936 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15938 2006-01-11 Ben Elliston <bje@au.ibm.com>
15940 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15941 function returns true in the positive case.
15943 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15946 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15947 for SI, DI, SF and DF modes. Add alternatives to copy between
15948 general and floating point registers to the 32-bit patterns.
15949 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15950 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15951 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15952 generating 64-bit code.
15953 * config/pa/pa.c (output_move_double): Handle copies between general
15954 and floating registers.
15956 2006-01-10 Stuart Hastings <stuart@apple.com>
15958 * config/i386/i386.md (set_got): Update.
15959 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15960 (builtin_setjmp_receiver): Mach-O support.
15961 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15962 (GOT_SYMBOL_NAME): Define.
15963 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15964 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15965 * config/i386/i386.c (override_options): Revise for Darwin.
15966 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15967 support. (darwin_x86_file_end): New. (output_set_got): Add label
15968 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15969 * config/i386/i386-protos.h (output_set_got): Likewise.
15970 * config/darwin.c (machopic_legitimize_pic_address): Update
15973 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15975 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15976 when MODE isn't BLKmode.
15978 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15980 PR rtl-optimization/25367
15981 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15983 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15986 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15987 for a negative bound.
15989 2006-01-10 Richard Guenther <rguenther@suse.de>
15991 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15992 Never override with anything constraint.
15994 2006-01-10 Jan Beulich <jbeulich@novell.com>
15996 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15997 256 bits when optimize_size.
15999 2006-01-10 Jan Beulich <jbeulich@novell.com>
16001 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16003 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16004 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16007 2006-01-10 Ben Elliston <bje@au.ibm.com>
16009 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16011 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16012 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16013 (USE_FP_FOR_ARG): Reject decimal float modes.
16014 (function_arg_advance): Likewise.
16015 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16016 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16017 point types in AltiVec vectors.
16018 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16019 (rs6000_libcall_value): Likewise.
16021 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16023 * config/xtensa/ieee754-df.S: New file.
16024 * config/xtensa/ieee754-sf.S: New file.
16025 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16026 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16027 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16029 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16031 * config/sh/predicates.md (binary_float_operator,
16032 binary_logical_operator, commutative_float_operator,
16033 equality_comparison_operator, greater_comparison_operator,
16034 less_comparison_operator, logical_operator,
16035 noncommutative_float_operator, shift_operator,
16036 symbol_ref_operand, unary_float_operator): Remove redundant
16039 2006-01-09 Jeff Law <law@redhat.com>
16041 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16042 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16043 now unused arguments. Callers updated.
16044 (eliminate_redundant_computations): Remove now unused arguments,
16046 (local_fold): Remove, no longer used.
16047 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16049 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16050 (simplify_cond): New function.
16051 (forward_propagate_into_cond): Call simplify_cond.
16053 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16055 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16056 (*vec_extractv2di_1_sse): New.
16058 2006-01-09 Ben Elliston <bje@au.ibm.com>
16060 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16062 2006-01-08 Richard Guenther <rguenther@suse.de>
16064 * tree-ssa-structalias.c (get_constraint_for): Remove
16065 anyoffset argument.
16066 (get_constraint_for_component_ref): Likewise.
16067 (do_deref): Likewise.
16068 (get_constraint_for): Likewise.
16069 (do_structure_copy): Likewise.
16070 (handle_ptr_arith): Likewise.
16071 (find_func_aliases): Likewise. Remove unused need_anyoffset
16074 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16075 Kaz Kojima <kkojima@gcc.gnu.org>
16077 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16078 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16079 (EXTRA_CONSTRAINT_C16): Remove.
16080 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16081 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16082 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16083 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16084 constants of SHmedia. Handle nested constant expressions of
16086 (andcosts): Fix the costs for SHmedia constants.
16087 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16088 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16089 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16090 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16091 (movv4hi_i, movv2si_i): Likewise.
16092 (movsi_const): Adjust the second operand of ior so to match with
16093 the Csu constraint.
16094 (movdi_const, movdi_const_32bit): Likewise.
16095 (movdi_const_16bit+1): Don't sign-extend LOW.
16096 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16098 (*double_shori): Fix the split condition. Use GEN_INT instead
16099 of get_int_mode calls. Mask lower 16-bit of the argument of
16101 (sym2GOTPLT): Remove.
16102 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16104 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16105 instead of EXTRA_CONSTRAINT_C16.
16107 2006-01-07 Ian Lance Taylor <ian@airs.com>
16108 David Edelsohn <edelsohn@gnu.org>
16110 PR rtl-optimization/25662
16111 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16112 for constant operands instead of simplify_gen_binary.
16113 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16114 after trying simplify_binary_operation
16116 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16118 * tree.c (iterative_hash_expr): Hash decls based on UID.
16120 2006-01-06 Eric Christopher <echristo@apple.com>
16122 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16123 (TARGET_UNWIND_EMIT): Fix spelling.
16124 * target.h (gcc_target): Add except_table_label.
16125 * except.c (output_function_exception_table): Use.
16126 * varasm.c (default_emit_except_table_label): New.
16127 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16129 (asm_out): Add here.
16130 * output.h (default_emit_except_table_label): Prototype.
16131 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16132 * config/darwin.c (darwin_emit_except_table_label): Define.
16133 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16135 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16137 PR tree-optimization/18527
16138 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16139 number_of_iterations_special, number_of_iterations_exit):
16140 Move base and step of an iv to a single structure. Add
16141 no_overflow flag, and use it in # of iterations analysis.
16142 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16143 folded_casts argument.
16144 (simple_iv): Pass base and step in a structure. Set no_overflow
16146 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16147 Evaluate expensiveness of computing # of iterations instead of
16148 the final expression.
16149 * tree-scalar-evolution.h (affine_iv): New structure.
16150 (simple_iv): Declaration changed.
16151 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16152 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16153 find_givs_in_stmt): Changed due to simple_iv change.
16155 2006-01-06 Jeff Law <law@redhat.com>
16158 * tree-cfg.c (bsi_replace): Rename final argument from
16159 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16160 change (stmt -> orig_stmt).
16161 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16162 (bsi_remove): Add new argument. Remove EH information
16164 (verify_eh_throw_table_statements): New function.
16165 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16167 * tree-optimize.c (execute_free_cfg_annotations): Verify
16168 the EH throw statement table after removing annotations.
16169 * except.h (verify_eh_throw_table_statements): Prototype.
16170 * tree-flow.h (bsi_remove): Update prototype.
16171 * tree-vrp.c (remove_range_assertions): Add new argument to
16173 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16174 * tree-complex.c (expand_complex_div_wide): Likewise.
16175 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16176 * tree-tailcall.c (eliminate_tailcall): Likewise.
16177 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16178 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16179 * tree-nrv.c (tree_nrv): Likewise.
16180 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16181 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16182 (combine_blocks): Likewise.
16183 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16184 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16185 (cleanup_control_flow): Likewise.
16186 (remove_forwarder_block): Likewise.
16187 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16188 * tree-sra.c (sra_replace): Likewise.
16189 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16190 (forward_propagate_single_use_vars): Likewise.
16191 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16192 * tree-inline.c (expand_call_inline): Likewise.
16193 * tree-vect-transform.c (vect_transform_loop): Likewise.
16194 * tree-outof-ssa.c (rewrite_trees): Likewise.
16195 * tree-cfg.c (make_goto_expr_edges): Likewise.
16196 (cleanup_dead_labels): Likewise.
16197 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16198 (bsi_move_before, bsi_move_after): Likewise.
16199 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16200 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16202 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16205 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16207 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16208 on non gimple variables. Also add checks at the top for decls and
16210 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16212 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16213 and IMAGPART_EXPR for creating MUST_DEFs.
16214 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16215 and NAME_MEMORY_TAG separately from the DECLs.
16217 2006-01-06 Richard Guenther <rguenther@suse.de>
16219 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16220 annotation, if necessary.
16221 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16222 redundant calls to update_stmt.
16223 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16226 2006-01-05 Richard Henderson <rth@redhat.com>
16228 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16230 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16232 * c-typeck.c: Update copyright date.
16234 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16236 * c-typeck.c (build_c_cast): Always warn when casting
16237 from a pointer to an integer of different size, even if
16238 the node was constant.
16240 2006-01-05 Richard Guenther <rguenther@suse.de>
16242 PR tree-optimization/22555
16243 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16244 if one structure field is an array.
16245 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16246 operands even if we found a subvar, but ignore VOPs in this
16248 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16250 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16252 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16254 PR middle-end/24998
16255 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16257 2006-01-05 Richard Guenther <rguenther@suse.de>
16258 Diego Novillo <dnovillo@redhat.com>
16260 * tree-pass.h (TODO_remove_unused_locals): Define.
16261 * gimple-low.c (expand_var_p, remove_useless_vars,
16262 pass_remove_useless_vars): Remove. Update all users.
16263 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16264 (remove_unused_locals): New function.
16265 * tree-flow.h (remove_unused_locals): Declare.
16266 * passes.c (execute_todo): Call remove_unused_locals if
16267 TODO_remove_unused_locals is set.
16268 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16269 * tree-ssa-dce.c (pass_dce): Likewise.
16270 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16272 2006-01-05 Richard Guenther <rguenther@suse.de>
16274 * tree-flow.h (struct fieldoff): Decompose field to
16275 type, size and decl.
16276 * tree-ssa-alias.c (create_sft): Take type as parameter.
16277 (create_overlap_variables_for): Store type, size and decl
16278 in the fieldoff structure.
16279 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16280 of struct fieldoff.
16281 (push_fields_onto_fieldstack): Likewise.
16282 (create_variable_info_for): Likewise. Use offset for the
16283 SFT name if the decl is not available.
16285 2006-01-04 Paul Brook <paul@codesourcery.com>
16287 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16289 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16291 * lambda-code.c (can_put_in_inner_loop): Relax
16293 (can_put_after_inner_loop): New function.
16294 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16295 (perfect_nestify): Change to make copies and modify uses.
16297 2006-01-04 Richard Henderson <rth@redhat.com>
16299 Merge from gomp branch:
16300 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16301 via integer constant.
16302 (pragma_lex): Remove.
16303 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16304 rather than parsing it.
16305 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16306 handle_pragma_extern_prefix): Add %< %> quotes.
16307 (registered_pragmas): New.
16308 (c_register_pragma_1): New.
16309 (c_register_pragma): Use it.
16310 (c_register_pragma_with_expansion): Likewise.
16311 (c_invoke_pragma_handler): New.
16312 (init_pragma): Use cpp_register_deferred_pragma directly for
16314 * c-pragma.h (enum pragma_kind): New.
16315 (pragma_handler): New.
16316 (c_invoke_pragma_handler): Declare.
16317 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16319 * c-common.h (c_common_pch_pragma): Update decl.
16320 * Makefile.in (c-parser.o): Update dependencies.
16321 (GTFILES): Add c-pragma.h.
16322 * c-parser.c (struct c_token): Add pragma_kind.
16323 (struct c_parser): Add in_pragma.
16324 (c_lex_one_token): Always initialize keyword and pragma_kind.
16325 Extract data for CPP_PRAGMA.
16326 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16327 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16328 Don't allow CPP_PRAGMA_EOL if in_pragma.
16329 (c_parser_consume_pragma): New.
16330 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16331 (c_parser_skip_to_end_of_parameter): Likewise.
16332 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16333 (c_parser_skip_to_pragma_eol): New.
16334 (c_parser_external_declaration): Handle CPP_PRAGMA.
16335 (c_parser_compound_statement_nostart): Likewise.
16336 (c_parser_statement_after_labels): Likewise.
16337 (c_parser_pragma): New.
16338 (pragma_lex): Likewise.
16339 (c_parser_pragma_pch_preprocess): New.
16340 (c_parser_new): Merge into ...
16341 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16343 2006-01-04 Jeff Law <law@redhat.com>
16346 * tree-cfg.c (bsi_replace): Remove the original statement
16347 from the EH throw statement table.
16349 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16351 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16352 make the prototype extern "C" and add throw ().
16355 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16356 and pos non-negative and pos + len <= 32.
16357 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16358 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16359 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16362 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16363 as well as sizes not multiple of component size.
16366 * function.c (instantiate_expr): New function.
16367 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16368 walk its DECL_VALUE_EXPR with instantiate_expr.
16370 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16371 DW_OP_deref{,_size} if address isn't going to be added.
16373 2006-01-04 Ben Elliston <bje@au.ibm.com>
16375 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16376 * config/fp-bit.c: Likewise.
16378 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16380 * dominance.c: Add comment about why we use DFS numbering
16383 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16384 Richard Henderson <rth@redhat.com>
16386 Merge from gomp-branch:
16387 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16388 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16390 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16392 PR rtl-optimization/25578
16393 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16394 pass a parameter to simplify_shift_const if changing ASHIFTRT
16397 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16399 * builtins.c (get_builtin_sync_mem): New function.
16400 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16401 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16402 Call get_builtin_sync_mem to generate mem rtx.
16404 2006-01-03 Richard Guenther <rguenther@suse.de>
16407 * stmt.c (add_case_node): Make sure to clear overflow flags
16410 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16412 Merge from gomp-branch.
16413 * config/sparc/sync.md: New file.
16414 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16415 UNSPECV_LDSTUB): New constants.
16416 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16417 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16418 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16421 2006-01-03 Roger Sayle <roger@eyesopen.com>
16423 * combine.c (reg_subword_p): New predicate to test whether the
16424 destination of a set refers to a subword/piece of a register.
16425 (try_combine): Generalize the code to merge the setting of a
16426 pseudo to a constant followed by a set of a subword of that
16427 register to a constant.
16429 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16431 * basic-block.h (control_flow_graph): Change the type of
16432 x_label_to_block_map to VEC(basic_block,gc) *.
16433 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16434 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16436 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16437 VEC(basic_block,heap) *.
16438 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16439 ssa_prop_fini): Adjust the uses of cfg_blocks.
16441 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16443 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16445 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16446 hashing trees instead of a pointer hash.
16447 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16448 compare for MEM_EXPR.
16450 PR rtl-optimization/25130
16451 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16452 when comparing MEMs for GCSE
16454 2006-01-03 Ben Elliston <bje@au.ibm.com>
16456 * targhooks.h (default_decimal_float_supported_p): Declare.
16457 * targhooks.c (default_decimal_float_supported_p): Define.
16458 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16459 `default_decimal_float_supported_p'.
16460 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16462 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16464 * combine.c (apply_distributive_law <SUBREG>): Check
16465 TRULY_NOOP_TRUNCATION.
16467 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16469 * dwarf2out.c (have_switched_text_section): Delete.
16470 (have_multiple_function_sections): New.
16471 (have_location_lists): Make 'bool'.
16472 (add_AT_loc_list): Use 'true' not '1'.
16473 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16474 (output_loc_list): Use have_multiple_function_sections.
16475 (output_ranges): Likewise.
16476 (dwarf2out_begin_function): Set have_multiple_function_sections if
16478 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16479 Check function_section rather than DECL_SECTION_NAME.
16480 (dwarf2out_finish): Use have_multiple_function_sections.
16481 Don't clear have_location_lists.
16483 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16484 Jan Hubicka <jh@suse.cz>
16486 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16487 case of conditional jump jumping to the next instruction.
16488 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16489 cases of conditional jump jumping to the next instruction.
16491 2006-01-02 Jan Hubicka <jh@suse.cz>
16493 * i386.c (*_cost): Add COSTS_N_INSNS.
16494 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16496 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16499 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16501 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16503 * config/arm/arm.c (all_fpus): Fix comment typo.
16504 * config/darwin.c: Likewise.
16505 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16506 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16507 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16509 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16511 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16512 (rs6000_split_compare_and_swapqhi): New.
16513 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16514 (sync_compare_and_swapqhi_internal): New.
16515 * config/rs6000/rs6000-protos.h: Declare.