1 2005-10-04 Geoffrey Keating <geoffk@apple.com>
3 * doc/invoke.texi (Option Summary): Correct spelling
4 of -mmacosx-version-min.
6 2005-10-04 Devang Patel <dpatel@apple.com>
8 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
11 2005-10-04 Steve Ellcey <sje@cup.hp.com>
13 * tree-vect-transform.c (vect_create_epilog_for_reduction):
14 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
16 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
18 * config/s390/s390.md ("TDSI","DP"): New mode macros.
19 ("TE","tg"): New mode attributes.
20 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
21 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
22 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
23 dword_mode and one for GPRmode.
25 2005-10-04 Ian Lance Taylor <ian@airs.com>
28 * c-ppoutput.c (cb_include): Add comments parameter, and print out
29 any comments passed in.
31 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
33 * tree.c (annotate_with_file_line): Fix typo.
35 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
38 * builtins.c (fold_builtin_memcmp): When constructing the pointer
39 type used to access data in the inlined length == 1 case, use
40 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
41 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
43 2005-10-04 Uros Bizjak <uros@kss-loka.si>
45 * config/i386/i386.h (TARGET_FISTTP): Enable also for
46 TARGET_SSE3 and only for TARGET_80387.
47 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
48 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
49 Do not depend on TARGET_80387.
51 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
53 * tree.c (last_annotated_node): Change type to location_t*.
54 (annotate_with_file_line): Reflect the change of
55 last_annotated_node type.
57 2005-10-04 Richard Guenther <rguenther@suse.de>
60 * c-decl.c (grokdeclarator): Don't write to fields
63 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
66 * c-decl.c (finish_decl): Use set_user_assembler_name even for
68 * varasm.c (make_decl_rtl): If a register variable does not
69 have a set user assmbler name, error out.
70 Decode the asmspec is now name+1 bypassing '*'.
72 2005-10-04 Steven Bosscher <stevenb@suse.de>
74 PR tree-optimization/23049
75 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
76 of a COND_EXPR is folded before calling fold on the whole rhs of a
77 conditional assignment.
78 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
79 document that a COND_EXPR may appear there.
81 2005-10-03 Diego Novillo <dnovillo@redhat.com>
84 * tree-vrp.c (extract_range_from_assert): If the new numeric
85 range created out of the assertion contradicts the existing
86 numeric range of the ASSERT_EXPR variable, make the new range
89 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
91 * config/sh/sh.c (sh_register_move_cost): Add case for moving
92 from T_REGS to FP register class.
94 2005-10-03 Richard Henderson <rth@redhat.com>
97 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
98 before creating a new one.
100 2005-10-03 David Edelsohn <edelsohn@gnu.org>
102 * config/rs6000/t-aix43 (LDFLAGS): New.
103 * config/rs6000/t-aix52 (LDFLAGS): New.
105 2005-10-03 Ian Lance Taylor <ian@airs.com>
107 * gimplify.c (find_single_pointer_decl_1): New static function.
108 (find_single_pointer_decl): New static function.
109 (internal_get_tmp_var): For a formal variable, set restrict base
110 information if appropriate.
111 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
113 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
114 (DECL_GET_RESTRICT_BASE): Define.
115 (SET_DECL_RESTRICT_BASE): Define.
116 (decl_restrict_base_lookup): Declare.
117 (decl_restrict_base_insert): Declare.
118 (struct tree_decl_with_vis): Add based_on_restrict_p field.
119 * tree.c (restrict_base_for_decl): New static variable.
120 (init_ttree): Initialize restrict_base_for_decl.
121 (copy_node_stat): Copy restrict base information.
122 (decl_restrict_base_lookup): New function.
123 (decl_restrict_base_insert): New function.
124 (print_restrict_base_statistics): New static function.
125 (dump_tree_statistics): Call print_restrict_base_statistics.
127 2005-10-02 Diego Novillo <dnovillo@redhat.com>
130 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
133 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
136 * c-typeck.c (tagged_tu_seen): Rename to ...
137 (tagged_tu_seen_cache): this and add val field.
138 (comptypes): Move functional to comptypes_internal
139 and free tagged_tu_seen.
140 (comptypes_internal): New function and call comptypes_internal
141 instead of comptypes. Speed up by sibcalling
142 tagged_types_tu_compatible_p.
143 (alloc_tagged_tu_seen): New function
144 (free_all_tagged_tu_seen_up_to): New function.
145 (tagged_types_tu_compatible_p): Return the val of the seen two
147 Add that the two types are the same to tagged_tu_seen_base
148 if they are and call comptypes_internal instead of comptypes.
149 <case UNION_TYPE>: Speed up common type where the fields are
151 (function_types_compatible_p): Call comptypes_internal instead of
153 (type_lists_compatible_p): Likewise.
154 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
156 2005-10-02 Matthias Klose <doko@debian.org>
158 * doc/invoke.texi: Fix typo and speling error.
160 2005-10-01 Richard Henderson <rth@redhat.com>
162 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
164 2005-10-01 Mark Mitchell <mark@codesourcery.com>
166 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
167 using --start-group and --end-group.
169 2005-10-01 Diego Novillo <dnovillo@redhat.com>
171 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
172 FIXME note regarding quirky semantics.
174 2005-10-01 Diego Novillo <dnovillo@redhat.com>
177 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
178 non-null range as a last resort.
180 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
181 Diego Novillo <dnovillo@redhat.com>
184 * tree-vrp.c (extract_range_from_assert): For !=
185 assertions, only build an anti-range if LIMIT is a
188 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
190 * arm.md (movqi): On thumb when optimizing, handle loading from
191 memory by describing this as taking a subreg of a zero-extended load
192 into an SImode register.
195 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
197 * reload1.c (merge_assigned_reloads): Do not change any
198 RELOAD_FOR_OUTPUT_ADDRESS reloads.
200 2005-09-30 Geoffrey Keating <geoffk@apple.com>
202 * Makefile.in (LIPO_FOR_TARGET): Define.
203 (STRIP_FOR_TARGET): Define.
205 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
206 before creating new ones. Do symlinks before creating the actual
209 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
210 to work out which multilibs are actually being built.
212 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
214 * tree-vect-transform.c, config/ms1/ms1.md,
215 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
216 Follow spelling conventions.
217 * doc/invoke.texi, doc/md.texi: Fix typos.
219 2005-09-30 Andrew Macleod <amacleod@redat.com>
221 PR tree-optimization/21430
222 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
223 use operands, and set stmt pointer if need be.
224 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
225 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
228 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
231 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
233 2005-09-29 Mark Mitchell <mark@codesourcery.com>
235 * optabs.c (expand_binop): Initialize first_pass_p.
237 2005-09-29 Jakub Jelinek <jakub@redhat.com>
240 * c-decl.c (c_write_global_declarations_1): If any
241 wrapup_global_declaration_2 call returned true, restart the loop.
243 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
245 Fix PR tree-optimization/24117
246 * tree-ssa-structalias.c (find_func_aliases): Strip nops
247 before considering whether to use anyoffset.
249 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
253 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
255 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
257 (swap_commutative_operands_with_target): New.
259 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
262 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
265 2005-09-29 Steven Bosscher <stevenb@suse.de>
267 PR tree-optimization/23911
268 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
269 and IMAGPART_EXPR too.
271 2005-09-28 Mark Mitchell <mark@codesourcery.com>
274 * expmed.c (expand_shift): Move logic to reverse rotation
275 direction when rotating by constants ...
276 * optabs.c (expand_binop): ... here.
277 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
278 (ix86_rotrdi3): New pattern.
279 (rotldi3): Handle 32-bit mode.
280 (ix86_rotldi3): New pattern.
282 2005-09-29 Alan Modra <amodra@bigpond.net.au>
285 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
286 check for numbers that need no bit twiddle.
288 2005-09-28 Geoffrey Keating <geoffk@apple.com>
290 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
291 multilib to be built.
293 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
294 (stage1-start): Delete old libgcc and libunwind before moving
295 anything into the stage directory.
296 (stage2-start): Likewise.
297 (stage3-start): Likewise.
298 (stage4-start): Likewise.
299 (stageprofile-start): Likewise.
300 (stagefeedback-start): Likewise.
301 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
302 header in tm_file and CPU-specific t-darwin in tmake_file.
303 (i[34567]86-*-darwin*): Don't change tm_file.
304 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
305 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
306 shared library stub for target OS version.
307 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
308 (SHLIB_LINK): Don't make SHLIB_SOLINK.
309 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
310 (libgcc_s.%.dylib): New.
312 (install-darwin-libgcc-stubs): New.
313 (INSTALL_LIBGCC): New append.
314 * config/i386/darwin-libgcc.10.4.ver: New.
315 * config/i386/darwin-libgcc.10.5.ver: New.
316 * config/i386/t-darwin: New.
317 * config/rs6000/darwin-libgcc.10.4.ver: New.
318 * config/rs6000/darwin-libgcc.10.5.ver: New.
319 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
320 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
322 2005-09-28 Paul Brook <paul@codesourcery.com>
324 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
327 2005-09-28 Richard Guenther <rguenther@suse.de>
329 PR tree-optimization/23853
330 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
331 host_integerp to verify misalignment value.
333 2005-09-28 Richard Henderson <rth@redhat.com>
335 * builtins.c (get_builtin_sync_mode): New.
336 (expand_builtin_sync_operation): Pass in mode argument.
337 (expand_builtin_compare_and_swap): Likewise.
338 (expand_builtin_lock_test_and_set): Likewise.
339 (expand_builtin_lock_release): Likewise.
340 (expand_builtin): Update to match.
342 2005-09-28 Nick Clifton <nickc@redhat.com>
344 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
345 formatting. Add check to PLUS case to ensure that the offset is
346 within an acceptable range.
348 * config/v850/v850.md (casesi): Disable the generation of the
349 switch pattern as it is not being handled properly at the moment.
351 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
352 for when the high words are identical.
354 2005-09-27 Richard Henderson <rth@redhat.com>
356 * pretty-print.c (pp_base_format): Fix typo for %>.
358 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
359 Devang Patel <dpatel@apple.com>
361 PR tree-optimization/23625
362 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
363 LABEL_EXPR, assertion check.
365 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
367 * optabs.c (no_conflict_move_test): Check if a result of a
368 to-be-moved insn would be clobbered by an originally
371 2005-09-27 Jeff Law <law@redhat.com>
373 * passes.c (init_optimization_passes): Replace copy propagation
374 passes immediately after DOM with phi-only copy propagation
375 pases. Add phi-only copy propagation pass after first DOM pass.
376 * tree-pass.h (pass_phi_only_copy_prop): Declare.
377 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
378 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
379 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
380 to init_copy_prop. Callers updated.
381 (do_phi_only_copy_prop): New function.
382 (pass_phi_only_copy_prop): New pass descriptor.
384 2005-09-27 Nick Clifton <nickc@redhat.com>
386 * libgcc2.c (__popcount_tab): Remove redundant prototype.
388 2005-09-26 Jason Merrill <jason@redhat.com>
391 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
393 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
395 2005-09-26 James E Wilson <wilson@specifix.com>
397 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
398 copyright. Add gcc copyright plus libgcc exception.
399 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
401 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
403 2005-09-26 Jeff Law <law@redhat.com>
405 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
406 about when to iterate.
408 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
411 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
412 for __complex__ double in -mcpu=G5 mode.
414 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
416 PR tree-optimization/23942
417 * Makefile.in (SCEV_H): Depends on PARAMS_H.
418 * tree-scalar-evolution.c: Include params.h.
420 (follow_ssa_edge, follow_ssa_edge_in_rhs,
421 follow_ssa_edge_in_condition_phi_branch,
422 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
423 Change return type to t_bool. Use a parameter to limit the size of
424 trees that are walked before stopping
425 (analyze_evolution_in_loop): Initialize the limit to 0.
426 (follow_ssa_edge): Give up by returning t_dont_know if the limit
427 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
429 2005-09-26 Uros Bizjak <uros@kss-loka.si>
432 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
433 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
435 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
437 * combine.c (make_extraction): Check for valid use of subreg.
439 2005-09-26 Uros Bizjak <uros@kss-loka.si>
442 * config/i386/i386.md ("*fistdi2_1"): New pattern.
443 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
444 ("fist<mode>2_with_temp"): Use only register operands.
446 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
448 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
449 CALL_INSN_FUNCTION_USAGE.
451 2005-09-26 Richard Guenther <rguenther@suse.de>
454 * gcse.c: Include hashtab.h, define ldst entry hashtable.
455 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
456 (ldst_entry): Use the hashtable instead of list-walking.
457 (find_rtx_in_ldst): Likewise.
458 (free_ldst_entry): Free the hashtable.
459 (compute_ld_motion_mems): Create the hashtable.
460 (trim_ld_motion_mems): Remove entry from hashtable if
461 removing it from list.
462 (compute_store_table): Likewise^2.
463 (store_motion): Free hashtable in case we did not see
466 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
468 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
469 and arg1 if we are passing them to fold_build2.
471 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
474 * config/i386/i386.c (ix86_function_regparm): Fix the test for
477 2005-09-25 Richard Henderson <rth@redhat.com>
479 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
480 SYMBOL_REF_TLS_MODEL to be correct.
482 2005-09-24 Richard Henderson <rth@redhat.com>
484 * ipa-type-escape.c (discover_unique_type): Remove dead code at
485 end of function. Reindent.
487 2005-09-24 Ian Lance Taylor <ian@airs.com>
489 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
490 NEGATE_EXPR/BIT_NOT_EXPR case.
492 2005-09-24 Richard Henderson <rth@redhat.com>
494 * c-common.c (handle_mode_attribute): When not modifying in place,
495 create subtypes for enumerations.
496 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
497 * gimplify.c (create_tmp_from_val): Likewise.
499 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
501 * config/i386/i386.md (*tls_global_dynamic_64,
502 *tls_local_dynamic_base_64): Add missing mode to call.
503 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
505 2005-09-24 Jan Hubicka <jh@suse.cz>
507 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
508 (cgraph_clone_node): Likewise.
509 * cgraph.h (cgraph_clone_edge): Update prototype.
510 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
511 duplicated prototypes; add updating argument.
512 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
513 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
515 (cgraph_mark_inline_edge): Likewise.
516 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
517 (cgraph_flatten_node): Likewise.
518 (cgraph_decide_recursive_inlining): Likewise.
519 (cgraph_decide_inlining_of_small_function): Likewise.
520 * tree-optimize.c (tree_rest_of_compilation): Likewise.
522 2005-09-23 David Edelsohn <edelsohn@gnu.org>
523 Pete Steinmetz <steinmtz@us.ibm.com>
525 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
526 (rldic.): Set type to "compare".
528 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
529 mfjmpr for MFCTR/MFLR.
530 (movdf_hardfloat64): Same.
531 (movdf_softfloat64): Same. Correct order of store and move types.
532 (movti_string): Set type to store_ux/load_ux.
533 (load_multiple): Set type to load_ux.
534 (store_multiple): Set type to store_ux.
535 (movmemsi): Set type to store_ux.
536 (output_cbranch direct_return): Set type to jmpreg.
537 (stmw): Set type to store_ux.
538 (lmw): Set type to load_ux.
539 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
540 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
541 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
542 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
543 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
544 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
545 (rios1-fpstore): Increase latency to 3.
546 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
547 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
549 2005-09-23 David Edelsohn <edelsohn@gnu.org>
550 Andrew Pinski <pinskia@physics.uc.edu>
552 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
553 operand2 constraint to "b".
554 (sync_<fetchop_name>di_internal): Same.
555 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
557 (sync_old_<fetchop_name>di_internal): Same.
558 (sync_new_<fetchop_name>si_internal): Same.
559 (sync_new_<fetchop_name>di_internal): Same.
561 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
564 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
565 case, define as macros.
567 PR rtl-optimization/23837
568 * optabs.c (no_conflict_move_test): Don't set must_stay for a
569 clobber / clobber match between dest and p->first.
571 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
572 (no_conflict_move_test): Update comments.
574 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
576 * doc/install.texi: Update URL for Jacks.
577 * doc/sourcebuild.texi: Likewise.
579 2005-09-22 David Edelsohn <edelsohn@gnu.org>
582 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
583 registers when choosing register preferences.
584 (movdf_hardfloat64): Same.
586 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
588 * expmed.c (expand_shift): Don't use the target of the rotate as
589 target for the first expanded shift insn.
590 * testsuite/gcc.dg/20050922-1.c: Testcase added.
592 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
594 PR tree-optimization/22438
595 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
596 preserved iv rhs rewriting specially.
598 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
600 * tree-data-ref.c (analyze_array_indexes): Only estimate when
601 estimate_only is true.
602 * tree-flow.h (ref_contains_indirect_ref): New prototype.
603 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
604 tree-ssa-structalias.c
605 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
606 ref_contains_indirect_ref.
607 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
609 2005-09-21 DJ Delorie <dj@redhat.com>
611 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
613 (mn10300_return_in_memory): Support variable size types also.
614 (mn10300_pass_by_reference): Likewise.
615 (mn10300_function_value): New.
616 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
617 (FUNCTION_OUTGOING_VALUE): Likewise.
618 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
619 * doc/invoke.texi: Document it.
621 2005-09-21 Uros Bizjak <uros@kss-loka.si>
624 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
625 force integer op1 into register for XFmode compares.
627 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
630 * expmed.c (alg_code): Add alg_impossible.
631 (alg_hash_entry): Add cost.
632 (synth_mult): Record alg_impossible in the hash table if
633 multiplication by a given integer is impossble within the
634 limit. Speed up using alg_impossible.
636 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
638 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
639 argument. Allow and set any offset if needs_anyoffset is passed
641 (get_constraint_for): Add argument here too.
643 (do_structure_copy): Pass NULL to get_constraint_for.
644 (handle_ptr_arith): Ditto.
645 (find_func_aliases): Ditto.
647 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
649 PR rtl-optimization/23898
650 * output.h (get_attr_min_length): Declare.
651 * final.c (get_attr_length_1): New function, broken out of:
653 (get_attr_min_length): New function.
654 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
655 (duplicate_computed_gotos): Likewise.
656 * genattr.c (insn_min_length): Generate declaration.
657 * genattrtab.c (min_fn, min_attr_value): New functions.
658 (make_length_attrs): Generate insn_min_length.
660 2005-09-20 Steve Ellcey <sje@cup.hp.com>
662 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
664 2005-09-20 Richard Henderson <rth@redhat.com>
666 PR tree-optimization/24059
667 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
670 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
672 * c.opt (fextended-identifiers): New.
673 * c-opts.c (c_common_handle_option): Handle
674 -fextended-identifiers.
675 * doc/cpp.texi: Update documentation of extended identifiers.
676 * doc/cppopts.texi (-fextended-identifiers): Document.
678 2005-09-20 Jakub Jelinek <jakub@redhat.com>
680 PR tree-optimization/23929
681 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
684 PR tree-optimization/23818
685 * tree-stdarg.c (execute_optimize_stdarg): Call
686 calculate_dominance_info.
688 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
690 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
691 (analyze_siv_subscript_cst_affine): Add weak SIV test.
692 (compute_overlap_steps_for_affine_1_2): Use
693 get_number_of_iters_for_loop.
694 (analyze_subscript_affine_affine): Check whether difference is
696 Use get_number_of_iters_for_loop.
697 Check whether overlap occurs outside of bounds.
698 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
700 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
702 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
703 base register if possible.
705 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
707 PR tree-optimization/18463
708 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
709 converting it directly is not possible.
710 (chrec_convert_aggressive): New function.
711 * tree-chrec.h (chrec_convert_aggressive): Declare.
712 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
713 Fold chrec conversions aggressively if asked to.
714 (instantiate_parameters): Modified because of changes in
715 instantiate_parameters_1.
717 2005-09-19 Richard Henderson <rth@redhat.com>
719 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
720 (reduc_splus_v2df): New.
722 2005-09-19 Richard Sandiford <richard@codesourcery.com>
724 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
725 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
727 2005-09-19 Richard Henderson <rth@redhat.com>
729 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
732 2005-09-19 Richard Henderson <rth@redhat.com>
734 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
735 (ia64_expand_dot_prod_v8qi): New.
736 * config/ia64/ia64-protos.h: Update.
737 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
738 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
739 sdot_prodv8qi, sdot_prodv4hi): New.
740 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
742 2005-09-19 Richard Henderson <rth@redhat.com>
745 * real.c (exact_real_truncate): Return false if the format cannot
746 represent the number as a normal.
748 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
751 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
753 * tree-ssa-operands.c (swap_tree_operands): Export.
754 * tree.h (swap_tree_operands): Declare.
755 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
756 Call swap_tree_operands.
758 2005-09-19 Richard Henderson <rth@redhat.com>
760 * tree-flow.h (merge_alias_info): Declare.
761 * tree-ssa-copy.c (merge_alias_info): Export.
762 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
763 (vect_create_data_ref_ptr): Use create_iv directly.
764 (vectorizable_load): Use correct types for integer constants.
765 (vect_generate_tmps_on_preheader): Likewise.
766 (vect_gen_niters_for_prolog_loop): Likewise.
768 2005-09-19 Steven Bosscher <stevenb@suse.de>
770 PR rtl-optimization/23943
771 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
773 2005-09-18 Jan Hubicka <jh@suse.cz>
775 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
777 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
779 * varasm.c (output_constant): Do not abort on conversions to union
780 types between different sizes.
782 2005-09-18 Richard Guenther <rguenther@suse.de>
785 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
788 2005-09-18 Paul Brook <paul@codesourcery.com>
790 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
792 2005-09-17 Richard Henderson <rth@redhat.com>
794 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
795 * tree-ssa-loop.c (pass_vect_dce): Remove.
796 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
799 2005-09-17 Richard Henderson <rth@redhat.com>
801 * tree-pass.h (pass_vect_dce): Declare.
802 * passes.c (init_optimization_passes): Add it.
803 * tree-flow.h (tree_ssa_dce): Declare.
804 * tree-ssa-dce.c (tree_ssa_dce): Export.
805 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
806 (gate_tree_vectorize): ... here.
807 (pass_vect_dce): New.
809 2005-09-17 Jan Hubicka <jh@suse.cz>
811 * except.c (struct eh_status): Turn region_array into vec.
812 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
813 convert_from_eh_region_ranges, find_exception_handler_labels,
814 current_function_has_exception_handlers, assign_filter_values,
815 build_post_landing_pads, dw2_build_landing_pads,
816 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
817 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
818 foreach_reachable_handler, can_throw_internal_1,
819 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
821 (duplicate_eh_region_1): Update region_array.
822 (duplicate_eh_regions): Resize region_array and avoid recomputing.
824 2005-09-17 David Edelsohn <edelsohn@gnu.org>
827 * expmed.c (expand_mult): Substitute simple register for op0 when
830 2005-09-17 Richard Henderson <rth@redhat.com>
832 * expr.c (emit_move_via_integer): Add force argument, pass it on
833 to emit_move_change_mode. Update callers.
834 (emit_move_complex): Pass true to new force argument.
835 * function.c (expand_function_end): Move expand_eh_return call
836 earlier. Merge sub-word complex values into a pseudo before
837 copying to the return hard register.
839 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
841 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
842 between different sizes.
844 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
848 * passes.c (init_optimization_passes): Register dump files for
851 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
853 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
854 * config/s390/s390.c (s390_overlap_p): New function.
855 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
856 peephole2, "*xc" peephole2): Added overlap check to the peephole2
859 2005-09-16 Richard Guenther <rguenther@suse.de>
861 * ipa-pure-const.c (static_execute): Free auxiliar information.
862 * ipa-type-escape.c (discover_unique_type): Free temporary key.
863 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
865 2005-09-15 DJ Delorie <dj@redhat.com>
867 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
869 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
871 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
873 (swap_commutative_operands_with_target): New.
875 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
877 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
880 (estimate_iters_using_array): New function.
881 * tree-data-ref.h (estimate_iters_using_array): Prototype
882 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
883 Use estimate_iters_using_array instead of analyze_array.
885 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
887 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
890 2005-09-15 Michael Matz <matz@suse.de>
892 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
894 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
896 PR tree-optimization/23835
897 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
898 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
900 2005-09-14 Richard Henderson <rth@redhat.com>
902 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
903 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
905 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
907 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
908 in the ARRAY_TYPE case.
910 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
912 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
914 2005-09-14 Uros Bizjak <uros@kss-loka.si>
917 * tree-vect-transform.c (vectorizable_operation): Return false for
918 scalar shift operations and for vector shift operations with
919 non-invariant shift arguments. Use scalar tree operand op1 as
920 a shift operand when vector shift insn pattern uses scalar shift
922 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
924 2005-09-14 Olivier Hainque <hainque@adacore.com>
926 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
927 value if it has side-effects.
929 2005-09-14 David Edelsohn <edelsohn@gnu.org>
932 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
934 2005-09-14 Alan Modra <amodra@bigpond.net.au>
936 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
937 passed as NAME as if it were label at start of function code.
939 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
941 * config/sh/sh.md (*movv4sf_i): Add general register cases to
944 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
946 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
947 as early clobber. Rewrite so the PIC register is not implicitly used.
949 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
951 * tree.c (annotate_with_file_line): Compare line numbers before
954 2005-09-13 Uros Bizjak <uros@kss-loka.si>
957 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
958 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
960 2005-09-13 Ian Lance Taylor <ian@airs.com>
962 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
963 than a HOST_WIDEST_INT to gen_doloop_begin.
965 2005-09-13 Diego Novillo <dnovillo@redhat.com>
967 * tree-dfa.c (dump_variable): Guard against NULL annotations.
969 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
971 PR tree-optimize/23817
972 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
974 2005-09-13 Alan Modra <amodra@bigpond.net.au>
977 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
978 word before changing the stack pointer. Use gen_frame_mem for MEMs.
979 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
980 (restore_stack_nonlocal): Likewise.
981 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
983 2005-09-12 Ian Lance Taylor <ian@airs.com>
986 * c.opt (ffriend-injection): New C++ option.
987 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
988 (C++ Dialect Options): Document -ffriend-injection.
990 2005-09-12 Josh Conner <jconner@apple.com>
993 * ipa-reference.c (static_execute): Don't mark variables in
994 named sections TREE_READONLY.
996 2005-09-12 Alan Modra <amodra@bigpond.net.au>
998 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
1001 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1003 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
1004 V_MUST_DEF instead of just the first_use_p.
1005 Don't mark the virtual variables for renaming on the statement which
1007 (pass_dse): Remove TODO_update_ssa.
1009 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
1012 * stor-layout.c (compute_record_mode): For records with a single
1013 field, actually check the field's mode size against the type size.
1015 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
1016 registers for TARGET_SHMEDIA.
1017 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
1018 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
1019 of GENERAL_REGS and FP_REGS.
1021 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
1023 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1025 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1027 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1028 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1029 are omitted. Exclude stack_tie insn too.
1031 2005-09-11 David Edelsohn <edelsohn@gnu.org>
1033 PR rtl-optimization/23098
1034 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1036 * config/rs6000/rs6000.md (movdf splitter): Use
1037 const_double_operand predicate for TARGET_POWERPC64.
1038 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1039 SYMBOL_REF method to ABI_V4.
1041 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1042 replace_equiv_address.
1043 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1044 rs6000_sr_alias_set and MEM_NOTRAP.
1045 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1047 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
1049 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1050 handle CALL_EXPR again.
1052 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
1054 * arm/predicates.md (alignable_memory_operand): Delete.
1056 2005-09-10 Richard Henderson <rth@redhat.com>
1059 * dbxout.c (dbxout_expand_expr): New.
1060 (dbxout_symbol): Use it.
1062 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
1064 * arm.c (arm_gen_rotated_half_load): Delete.
1065 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1066 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1067 (thumb_set_return_address): Likewise.
1068 (thumb_load_double_from_address): Use adjust_address.
1069 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
1070 (extendhsisi2_mem, movhi_bytes): Use change_address.
1071 (movhi): Use widen_memory_access.
1072 (reload_out_df): Use replace_equiv_address.
1073 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
1075 2005-09-09 Richard Henderson <rth@redhat.com>
1078 * dbxout.c: Include expr.h.
1079 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
1080 (dbxout_symbol): Handle DECL_VALUE_EXPR.
1081 * Makefile.in (dbxout.o): Add EXPR_H.
1083 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
1085 PR tree-optimization/23509
1086 * tree-cfg.c (replace_uses_by): Use replace_exp.
1087 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
1088 pointers have name_mem_tag or type_mem_tag set.
1090 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1092 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
1093 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
1094 of wrongly accessing operands.
1096 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1098 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
1099 * tree-chrec.c: Include tree-scalar-evolution.h.
1100 (chrec_convert): Instantiate the base and step before calling
1101 scev_probably_wraps_p that would fail on parametric evolutions.
1102 Collect all the fails into a single section failed_to_convert,
1103 print a diagnostic, and return chrec_dont_know instead of calling
1105 * tree-scalar-evolution.c (loop_closed_phi_def): New.
1106 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
1108 (scev_const_prop): Don't replace the definition of a loop closed ssa
1109 phi node by itself, or by another loop closed ssa phi node.
1110 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
1111 that base and step are defined.
1113 2005-09-09 Richard Guenther <rguenther@suse.de>
1116 * fold-const.c (fold_ternary): Check truth_value_p before
1117 calling invert_truthvalue.
1119 2005-09-09 Nick Clifton <nickc@redhat.com>
1121 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
1122 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
1123 dimension of these arrays.
1124 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
1126 * longlong.h: Only provide a prototype for the __clz_tab[] array
1127 if this header has not been included from libgcc2.h.
1128 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
1130 Provide prototypes for exported functions.
1131 Use the __clz_tab[] and __popcount_tab[] arrays provided by
1134 2005-09-08 Josh Conner <jconner@apple.com>
1138 * expr.c (expand_expr_addr_expr_1): Don't invoke
1139 expand_simple_binop for EXPAND_INITIALIZER.
1141 2005-09-08 Richard Henderson <rth@redhat.com>
1144 * toplev.c (wrapup_global_declaration_1): Split out ...
1145 (wrapup_global_declaration_2): ... from ...
1146 (wrapup_global_declarations): ... here. Return bool.
1147 (check_global_declaration_1): Split out ...
1148 (check_global_declarations): from here.
1149 (emit_debug_global_declarations): New.
1150 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
1151 check_global_declaration_1, emit_debug_global_declarations): Declare.
1152 * c-decl.c (c_write_global_declarations_1): Don't create a vector
1153 of decls. Call wrapup_global_declaration_1,
1154 wrapup_global_declaration_2, check_global_declaration_1 directly.
1155 (c_write_global_declarations_2): New.
1157 (c_write_global_declarations): Call c_write_global_declarations_2.
1158 * langhooks.c (write_global_declarations): Call
1159 emit_debug_global_declarations.
1161 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
1162 remove decls that have DECL_RTL_SET_P.
1163 * passes.c (rest_of_decl_compilation): Invoke
1164 cgraph_varpool_finalize_decl for all but functions.
1166 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1168 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
1169 the result of a conversion if the new min and max cannot be compared.
1171 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
1173 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
1174 (override_options): Setting s390_sr_alias_set removed.
1175 (save_fpr, save_gprs): Set alias set to vararg or frame.
1176 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
1177 s390_sr_alias_set with get_frame_alias_set ().
1178 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
1179 get_varargs_alias_set ().
1181 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1185 * c-parser.c (c_parser_objc_method_definition): If the next
1186 token is not "{", error out and don't start the function.
1188 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1190 * tree-vrp.c (extract_range_from_expr): Move the check for non
1191 nullness after the check for gimple invariant.
1193 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1195 * tree.c (host_integerp, tree_low_cst): Correct function comment.
1197 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1200 * config/m32r.md (movmemsi_internal): Canonicalize order of
1201 operands in PLUS component of template.
1203 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
1205 * reload1.c (fixup_eh_region_note): Remove assertion.
1206 (fixup_abnormal_edges): Reverted removal of call to
1207 find_many_sub_basic_blocks made on 2005-08-31.
1209 2005-09-07 Richard Henderson <rth@redhat.com>
1211 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
1212 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
1213 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
1214 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
1215 rearrange for better packing.
1216 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
1217 (lookup_cfa_1): Remove inline marker.
1218 (cfa_equal_p): Split out of ...
1219 (def_cfa_1): ... here. Use INVALID_REGNUM.
1220 (build_cfa_loc): Handle !cfa->indirect.
1221 (frame_pointer_cfa_offset): New.
1222 (dbx_reg_number): Assert register elimination performed; do
1223 leaf register remapping.
1224 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
1225 (eliminate_reg_to_offset): New.
1226 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
1227 for verifiably local stack frame addresses; re-base to CFA.
1228 (mem_loc_descriptor): Remove can_use_fbreg argument.
1229 (concat_loc_descriptor, loc_descriptor): Likewise.
1230 (containing_function_has_frame_base): Remove.
1231 (rtl_for_decl_location): Don't do register elimination or
1232 leaf register remapping here.
1233 (secname_for_decl): Split out from ..
1234 (add_location_or_const_value_attribute): ... here.
1235 (convert_cfa_to_loc_list): New.
1236 (compute_frame_pointer_to_cfa_displacement): New.
1237 (gen_subprogram_die): Use them.
1238 * tree.h (frame_base_decl): Remove.
1239 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
1240 (prologue_stack_adjust): Remove.
1241 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
1242 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
1243 (set_frame_base_location): Remove.
1244 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
1245 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
1246 (vt_add_function_parameters): Don't eliminate_regs.
1247 (vt_initialize): Don't create frame_base_decl.
1249 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1251 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
1252 version of GNU binutils for 4.x and later.
1254 2005-09-06 Mark Mitchell <mark@codesourcery.com>
1256 * ggc-page.c (ggc_push_context): Remove.
1257 (ggc_pop_context): Likewise.
1258 * ggc.h (ggc_push_context): Remove.
1259 (ggc_pop_context): Likewise.
1261 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1264 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
1265 returning from an interrupt handler.
1267 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1270 * config/arc/arc.c (output_shift): Add check for loop count when
1273 2005-09-06 Steven Bosscher <stevenb@suse.de>
1275 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
1277 (abs_replacement): Likewise.
1278 (pass_phiopt): Remove TODO_update_ssa.
1280 2005-09-06 Jakub Jelinek <jakub@redhat.com>
1283 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
1284 if "return with no value, in function returning non-void" warning
1286 * tree-cfg.c (execute_warn_function_return): Don't look at
1287 RETURN_EXPRs with TREE_NO_WARNING set.
1290 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
1291 for internal functions doesn't use registers used by global registers
1292 variables. Use fewer register parameters if there are global register
1295 2005-09-06 Olivier Hainque <hainque@adacore.com>
1296 Eric Botcazou <ebotcazou@adacore.com>
1299 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
1300 when we would be extracting outside its bit span (bitpos+bitsize
1301 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
1302 Ada unchecked conversions.
1304 2005-09-06 Steven Bosscher <stevenb@suse.de>
1306 * tree-ssa-pre.c (try_look_through_load): New function.
1307 (compute_avail): Use it to try to look through loads for some
1308 more useful expressions.
1310 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1312 * simplify-rtx.c (simplify_binary_operation_1): Correct the
1313 condition for detecting cases like (a&a) and (a^a).
1315 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
1317 * common.opt: Add option ftree-vect-loop-version.
1318 * params.def: Add --param vect-max-version-checks.
1319 * doc/invoke.texi: Document ftree-vect-loop-version and
1320 --param vect-max-version-checks.
1321 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
1322 may_misalign_stmts and defines for accessors.
1323 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
1324 LOOP_VINFO_MAY_MISALIGN_STMTS.
1325 (destroy_loop_vec_info): VEC_free for
1326 LOOP_VINFO_MAY_MISALIGN_STMTS.
1327 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1328 Update documentation.
1329 (vect_update_misalignment_for_peel): New.
1330 (vect_enhance_data_refs_alignment): Update to choose loop
1331 peeling or loop versioning if appropriate for the (potentially)
1332 unaligned data references in the loop.
1333 (vect_analyze_data_refs_alignment): Remove call to
1334 vect_enhance_data_refs_alignment so the checks can be done
1336 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
1337 and move up call to vect_analyze_data_refs_alignment.
1338 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
1339 (vect_transform_loop): Add call to loop_version.
1341 2005-09-06 Jakub Jelinek <jakub@redhat.com>
1343 PR rtl-optimization/23098
1344 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
1345 * simplify-rtx.c (constant_pool_reference_p): New function.
1346 * rtl.h (constant_pool_reference_p): New prototype.
1347 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
1348 constant_pool_reference_p in condition and
1349 avoid_constant_pool_reference in preparation statements.
1351 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
1353 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
1354 STRICT_LOW_PART SETs.
1356 2005-09-06 Alan Modra <amodra@bigpond.net.au>
1359 * except.c (sjlj_emit_function_enter): Find the function begin
1360 note even when it's not in first basic block.
1362 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
1364 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
1365 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
1366 * aclocal.m4: Regenerate.
1368 2005-09-05 DJ Delorie <dj@redhat.com>
1370 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
1373 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
1375 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
1376 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
1377 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
1378 Follow spelling conventions.
1379 * doc/invoke.texi: Follow spelling conventions.
1381 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
1383 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
1384 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
1385 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
1387 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
1390 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
1391 (output_stack_adjust): Use gen_tmp_stack_mem.
1392 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
1393 (sh_set_return_address, sh_allocate_initial_value): Likewise.
1394 (sh_get_pr_initial_val): Likewise.
1395 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
1396 (sh_initialize_trampoline): Likewise. Also use adjust_address.
1397 * sh.md (divsi_inv_m0): Use gen_const_mem.
1398 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
1399 (movdf_i4+1): Use gen_tmp_stack_mem.
1400 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
1401 (fpu_switch+2): Likewise.
1402 (movv4sf_i, movv16sf_i): Use adjust_address.
1403 (symGOT_load): Set MEM_NOTRAP_P bit.
1405 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1408 * pa.c (emit_move_sequence): Fix typo in last change.
1410 2005-09-03 Jakub Jelinek <jakub@redhat.com>
1412 PR rtl-optimization/23454
1413 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
1416 2005-09-03 Richard Henderson <rth@redhat.com>
1417 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1420 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
1423 2005-09-02 Nicolas Pitre <nico@cam.org>
1425 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
1426 to bit_count to 32 bits.
1428 2005-08-31 Mark Mitchell <mark@codesourcery.com>
1431 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
1432 generating synthetic loads from volatile lvalues.
1434 005-09-02 Nick Clifton <nickc@redhat.com>
1436 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
1437 __ctzhi2, __clzhi2): New functions.
1439 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
1442 * tree-nested.c (struct var_map_elt): Mark with GTY.
1443 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
1445 (lookup_field_for_decl): Allocate new element in GC memory.
1446 (lookup_tramp_for_decl): Likewise.
1447 (convert_nl_goto_reference): Likewise
1448 (create_nesting_tree): Allocate info in GC memory. Likewise for
1450 (free_nesting_tree): Free with ggc_free instead of free.
1451 (root): New static variable.
1452 (lower_nested_functions): Remove root as local variable. And zero out
1453 root at the end of the function.
1455 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
1457 PR rtl-optimization/20365
1458 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
1459 to short. New member ix.
1460 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
1461 (simplify_plus_minus): Initialize ix members before calling qsort.
1463 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
1465 PR tree-optimization/23626
1466 * tree-cfg.c (replace_uses_by): Clean up eh info.
1468 2005-09-01 DJ Delorie <dj@redhat.com>
1470 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
1473 2005-09-01 David Edelsohn <edelsohn@gnu.org>
1475 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
1476 (rs6000_split_multireg_move): Use replace_equiv_address instead of
1479 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
1481 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
1482 do not issue warning for a variable definition following
1485 2005-09-01 Richard Henderson <rth@redhat.com>
1488 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
1489 conversion to CONST_VECTOR.
1491 2005-09-01 Richard Henderson <rth@redhat.com>
1494 * reload1.c (reload_as_needed): Check !CALL_P before calling
1495 fixup_eh_region_note.
1496 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
1498 2005-09-01 DJ Delorie <dj@redhat.com>
1500 * varasm.c (output_constant): Let the target resolve
1501 conversions of addresses to non-default pointer sizes.
1503 2005-09-01 Nicolas Pitre <nico@cam.org>
1505 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
1506 to alow matching ARM pre-indexed addressing mode.
1507 (arm_override_options): Remove now irrelevant comment.
1509 2005-09-01 Phil Edwards <phil@codesourcery.com>
1511 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
1512 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
1513 * config/i386/vxworks.h: Likewise.
1514 * config/i386/t-vxworksae: New file, for VxWorks AE.
1515 * config/i386/vxworksae.h: Likewise.
1517 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
1519 PR tree-optimization/23410
1520 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
1521 sequence is not wrapping during the first step.
1523 2005-09-01 Jakub Jelinek <jakub@redhat.com>
1526 * dwarf2out.c (base_type_die): Compare char_type_node with
1527 TYPE_MAIN_VARIANT (type), not type.
1529 2005-09-01 Richard Guenther <rguenther@suse.de>
1531 PR tree-optimization/15366
1532 * common.opt: Add -finline-functions-called-once.
1533 Put -fearly-inlining in alphabetically ordered place.
1534 * doc/invoke.texi: Document new option.
1535 * ipa-inline.c (cgraph_decide_inlining): Honour
1536 flag_inline_functions_called_once.
1538 2005-09-01 Jakub Jelinek <jakub@redhat.com>
1540 PR rtl-optimization/23478
1541 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
1542 (alloc_qty): Initialize it.
1543 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
1544 (combine_regs): Combine also n_throwing_calls_crossed fields.
1545 (find_free_reg): Don't attempt to caller-save pseudos crossing
1546 calls that might throw.
1547 * global.c (struct allocno): Add throwing_calls_crossed field.
1548 (global_alloc): Revert 2005-08-22 change. Initialize
1549 throwing_calls_crossed.
1550 (find_reg): Don't attempt to caller-save pseudos crossing calls that
1553 2005-09-01 Alan Modra <amodra@bigpond.net.au>
1556 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
1557 (mask64_operand): Reinstate code prior to 2005-06-11 change.
1558 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
1559 (and64_2_operand): Tweak to use predicate.
1560 (and_operand): Adjust for mask_operand changes.
1561 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
1562 (print_operand): Likewise.
1563 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
1564 (mask64_1or2_operand): Delete.
1565 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
1566 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
1567 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
1568 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
1569 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
1570 (rotldi3_internal4): Likewise.
1571 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
1572 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
1573 (ashldi3_internal7): Likewise.
1574 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
1575 (ashldi3_internal, ashldi3_internal9 split): Likewise.
1576 (anddi3 split): Don't match mask64_operand.
1577 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
1578 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
1579 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
1580 't' splitter predicate.
1581 (movdi_internal64 + 2): Revert 2005-06-11 change.
1583 2005-08-31 DJ Delorie <dj@redhat.com>
1585 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
1586 (m32c_asm_integer): Add support for 32 bit pointers.
1588 2005-08-31 Richard Henderson <rth@redhat.com>
1590 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
1591 component-like references for setting MEM_NOTRAP_P.
1593 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
1594 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
1596 2005-08-31 Richard Henderson <rth@redhat.com>
1598 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
1599 into a pseudo before applying gen_lowpart.
1601 2005-08-31 Geoffrey Keating <geoffk@apple.com>
1603 * doc/install.texi (Specific): Update cctools version required
1604 for full functionality.
1605 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
1606 linkers as -macosx_version_min.
1608 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
1611 * sh.c (print_operand, %R and %S): Add handling of floating point
1612 registers, memory, constants and invalid operands.
1614 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
1616 * ipa-pure-const.c: Change dump name.
1618 2005-08-31 Uros Bizjak <uros@kss-loka.si>
1621 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
1622 to "reg_or_0_operand".
1623 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
1625 2005-08-31 Dale Johannesen <dalej@apple.com>
1627 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
1628 loops that count down.
1630 2005-08-31 Richard Henderson <rth@redhat.com>
1633 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
1634 (fixup_eh_region_note): New.
1635 (reload_as_needed): Call it.
1636 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
1637 don't call find_many_sub_basic_blocks; call verify_flow_info.
1638 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
1639 (keep_stack_depressed): Likewise.
1640 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
1642 2005-08-31 Richard Henderson <rth@redhat.com>
1644 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
1647 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
1649 * expr.c (expand_expr_real_1): Compare size of address
1650 mode to target's address mode size in deciding expansion of
1651 the constant address.
1653 2005-08-31 Richard Guenther <rguenther@suse.de>
1656 * expr.c (all_zeros_p): New function.
1657 (expand_expr_real_1): Handle the case of an all-zero
1658 non-addressable constructor separately.
1660 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
1662 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
1663 arguments, adjust all callers.
1664 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
1666 2005-08-30 Richard Henderson <rth@redhat.com>
1669 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
1670 whenever the mode sizes match.
1672 2005-08-31 Alan Modra <amodra@bigpond.net.au>
1674 * calls.c (load_register_parameters): Fix comment typo.
1675 * expr.c (emit_push_insn): Comment formatting.
1677 2005-08-30 Ian Lance Taylor <ian@airs.com>
1679 * config/i386/x-cygwin (host-cygwin): Change dependency from
1680 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
1682 2005-08-29 Geoffrey Keating <geoffk@apple.com>
1684 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
1687 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1690 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
1691 call to ggc_collect.
1693 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
1696 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
1697 beginning. Remove $(INCLUDES) from all the rules, if following
1698 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
1700 2005-08-29 Jakub Jelinek <jakub@redhat.com>
1703 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
1704 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
1705 not constant, but maxlen is, don't set len to maxlen, rather
1706 set maxlen to len if len is a constant.
1708 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
1710 PR tree-optimization/23475
1711 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
1714 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
1716 Fix PR middle-end/22455
1718 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
1719 Checksum only the parts of the tree that exist for the tree code.
1721 2005-08-28 Dale Johannesen <dalej@apple.com>
1723 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
1725 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
1727 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
1729 2005-08-28 Richard Henderson <rth@redhat.com>
1731 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
1732 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
1735 2005-08-28 Jakub Jelinek <jakub@redhat.com>
1738 * builtins.c (get_memory_rtx): Don't strip nops
1739 in between COMPONENT_REFs.
1741 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
1744 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
1746 (gimplify_modify_expr): Check for zero sized types and gimplify the
1747 rhs and lhs as statements.
1749 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
1752 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
1753 state for return address column of signal frames.
1755 2005-08-27 David Edelsohn <edelsohn@gnu.org>
1758 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
1759 bytes >= 2 not bytes == 2.
1760 (expand_block_move): Same.
1762 2005-08-27 Richard Guenther <rguenther@suse.de>
1765 * config/i386/sse.md (sse2_movsd): Add missing closing
1768 2005-08-27 Paul Brook <paul@codesourcery.com>
1770 * genrecog.c (enum decision_type): Add DT_num_insns.
1771 (struct decision_test): Add u.num_insns.
1772 (add_to_sequence): Add DT_num_insns test.
1773 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
1774 (write_cond, debug_decision_2): Ditto.
1775 (change_state): Assume peep2_next_insn never fails.
1776 Remove "afterward" argument.
1777 (write afterward, write_tree): Update to match.
1778 * recog.c (peep2_current_count): New variable.
1779 (peep2_next_insn): Check it.
1780 (peephole2_optimize): Set peep2_current_count.
1781 * recog.h (peep2_current_count): Declare.
1783 2005-08-26 Josh Conner <jconner@apple.com>
1786 * ipa-pure-const.c (check_tree): Check for volatile-ness
1787 when considering a dereference.
1789 2005-08-27 Jakub Jelinek <jakub@redhat.com>
1791 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
1793 2005-08-26 Jakub Jelinek <jakub@redhat.com>
1795 PR rtl-optimization/23561
1796 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
1797 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
1798 at most LEN bytes long memory fits into the field.
1799 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
1800 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
1801 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
1803 2005-08-26 Richard Henderson <rth@redhat.com>
1806 * loop.c (biased_biv_may_wrap_p): New.
1807 (maybe_eliminate_biv_1): Use it to suppress non-equality
1808 comparison transformations. Delete disabled code.
1810 2005-08-26 Ian Lance Taylor <ian@airs.com>
1812 * combine.c (make_extraction): Avoid reference outside object.
1814 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
1816 * stor-layout.c (finalize_type_size): Restore behaviour for
1817 non-aggregate types to the status quo ante of the patch for
1818 pr 23467. Document why it matters.
1820 2005-08-26 Jakub Jelinek <jakub@redhat.com>
1823 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
1824 array by one element, initialize the BT_LAST element with NULL.
1826 2005-08-26 David Edelsohn <edelsohn@gnu.org>
1828 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
1829 optimizing for size.
1831 (compare_plus_eqsi): Same.
1832 (plus_eqsi_compare): Same.
1833 (neg_eq0<mode>): Same.
1834 (neg_eq<mode>): Same.
1836 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
1839 2005-08-26 Nick Clifton <nickc@redhat.com>
1841 * config/v850/v850.c (ep_memory_operand): Return FALSE if
1842 TARGET_EP is not defined.
1843 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
1844 TARGET_EP is enabled.
1845 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
1846 * config/v850/v850.md (save_all_interrupt): Only use the EP
1847 register if TARGET_EP is defined.
1848 (restore_all_interrupt): Likewise.
1849 * config/v850/lib1funcs.asm: Update functions so that the EP
1850 register is only used if __EP__ is defined.
1852 2005-08-26 David Ung <davidu@mips.com>
1854 * config/mips/mips.c (mips_expand_prologue): Handle case when
1855 generating for MIPS16 and the outgoing argument area is more than
1856 SMALL_OPERAND. Use the frame pointer as temporary to generate the
1859 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
1861 * config/crx/crx.md: Make doloop_end pattern usage controllable
1862 via mloop-nesting=<max-nesting> command line switch. Make sure
1863 the combiner cannot use doloop_end_<mode> in an illegal way.
1864 * config/crx/crx.c: Use regs up to r6 for argument passing.
1865 Refine crx_address_cost (non cst4 displacements are expensive).
1866 * config/crx/crx.opt: Add switch for mloop-nesting=.
1868 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
1870 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
1871 (UNSPEC_MVST): New constant.
1873 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
1875 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
1876 Reject operands containing eliminable registers.
1877 * testsuite/gcc.dg/20050825-1.c: New testcase.
1879 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1880 Jan Hubicka <jh@suse.cz>
1882 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
1884 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1886 PR tree-optimization/23546
1887 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
1890 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
1892 * params.def (PARAM_MIN_SPEC_PROB): New.
1893 * sched-rgn.c (MIN_PROBABILITY): Delete.
1894 (compute_trg_info): Convert to PARAM_VALUE.
1895 * doc/invoke.texi (param): Document min-spec-prob.
1897 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
1899 * config/darwin.h: define __PIC__
1900 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
1901 TARGET_OS_CPP_BUILTINS macro.
1903 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1905 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
1908 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
1910 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
1912 * cfghooks.c (duplicate_block): Added position where to place
1913 new block as argument.
1914 * cfghooks.h (duplicate_block): Declaration changed.
1915 * cfglayout.c (copy_bbs): Add argument after. Pass it to
1917 * cfglayout.h (copy_bbs): Declaration changed.
1918 * cfgloop.h (loop_version): Declaration changed.
1919 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
1920 position to copy_bbs.
1921 (loop_version): Pass position to duplicate_loop_to_header_edge.
1922 Add place_after argument and position new blocks according to
1924 * modulo-sched.c (sms_schedule): Pass place_after argument
1926 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
1927 * tree-cfg.c (split_edge_bb_loc): New function.
1928 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
1929 to determine position of new blocks.
1930 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
1932 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
1933 argument to duplicate_block.
1934 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
1935 Pass position to copy_bbs.
1937 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
1939 * fold-const.c (ptr_difference_const): Use
1940 cst_and_fits_in_hwi instead of host_integerp.
1942 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1944 * config/darwin.c (gen_pic_offset): New.
1945 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
1948 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
1950 PR tree-optimization/23486
1951 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
1953 2005-08-23 Phil Edwards <phil@codesourcery.com>
1955 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
1956 remove use_collect2.
1957 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
1959 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
1960 configuration files to override the default value.
1962 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
1963 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
1964 * config/vx-common.h: New file, split out from...
1965 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
1966 * config/vxworksae.h: New file, for VxWorks AE.
1967 * config/vxworks.opt: New file.
1968 * config/vxlib.c: Update for VxWorks 6.
1970 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
1971 other MULTILIB_* variables appropriately.
1972 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
1973 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
1974 * config/rs6000/vxworks.h: Update for VxWorks 6.
1975 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
1977 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
1980 * config/darwin.c (machopic_select_section): Remove the hack to
1981 mark "::operator new" and "::operator delete" for coalescing
1982 even though they are not weak.
1984 2005-08-24 Alan Modra <amodra@bigpond.net.au>
1986 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
1987 * configure: Regenerate.
1989 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
1992 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
1994 * convert.c (convert_to_integer, convert_to_vector): Likewise.
1995 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
1998 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2000 * config/rs6000/predicates.md (equality_operator): New.
2001 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
2002 comparison with a large constant.
2004 2005-08-23 Mark Mitchell <mark@codesourcery.com>
2006 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
2008 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
2010 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
2011 registers is even, and we have a hardware double precision fp,
2013 (sh_gimplify_va_arg_expr): For floating point arguments, consider
2014 size of current argument when checking if argument was passed in
2017 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
2020 * stor-layout.c (finalize_type_size): Dont override
2021 existing alignment with a smaller alignment from the mode.
2023 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2025 * lambda-code.c (lambda_vector_lexico_pos): Moved...
2026 * lambda.h (lambda_vector_lexico_pos): ... here.
2027 * tree-data-ref.c (build_classic_dist_vector): Return false when
2028 the distance vector is lexicographically negative.
2030 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2032 PR tree-optimization/23511
2033 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2034 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2036 2005-08-23 Jakub Jelinek <jakub@redhat.com>
2038 PR tree-optimization/22043
2039 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2040 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2041 If ALLOW_FLEXARR, handle types ending with flexible array member.
2042 Pass false as second argument to recursive count_type_elements calls.
2043 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2044 argument to count_type_elements call.
2045 * tree-sra.c (decide_block_copy): Likewise.
2046 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2047 for a constant-sized object, set cleared as well. Pass true as
2048 second argument to count_type_elements call.
2050 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2053 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2054 from legitimate_small_data_p, and make global. Update use.
2055 Remove forward declaration.
2056 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2058 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2060 2005-08-23 David Edelsohn <edelsohn@gnu.org>
2062 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2063 of scratch intermediates.
2064 (eq<mode>_compare): Same.
2065 (neg_eq0<mode>): New.
2066 (neg_eq<mode>): Convert to define_insn_and_split.
2068 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2071 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
2072 stdarg functions, set/clear the fp marker even when no variable
2074 * config/rs6000/sysv4.opt (mprototype): Describe.
2076 2005-08-22 Jakub Jelinek <jakub@redhat.com>
2078 PR rtl-optimization/23478
2079 * regs.h (reg_info): Add throw_calls_crossed.
2080 (REG_N_THROWING_CALLS_CROSSED): Define.
2081 * flow.c (allocate_reg_life_data): Initialize
2082 REG_N_THROWING_CALLS_CROSSED.
2083 (propagate_one_insn, attempt_auto_inc): Update
2084 REG_N_THROWING_CALLS_CROSSED.
2085 * global.c (global_alloc): Don't allocate pseudos across
2086 calls that may throw.
2088 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
2091 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
2092 value is inbetween the range if we did not find an exact match.
2094 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
2096 * doc/invoke.texi (Option Summary): Add ms1 options.
2097 * doc/extend.texi: Document interrupt handler attribute for ms1.
2098 * doc/md.texi: Document ms1 constraints.
2099 * config.gcc: Add ms1-*-elf.
2100 * config/ms1/ms1.h: New.
2101 * config/ms1/ms1.c: New.
2102 * config/ms1/ms1.md: New.
2103 * config/ms1/ms1-protos.h: New.
2104 * config/ms1/ABI.txt: New.
2105 * config/ms1/crti.asm: New.
2106 * config/ms1/crtn.asm: New.
2107 * config/ms1/lib2extra-funcs.c: New.
2108 * config/ms1/t-ms1: New.
2109 * config/ms1/ms1.opt: New.
2111 2005-08-22 Ira Rosen <irar@il.ibm.com>
2113 * config/rs6000/altivec.md (xorv4sf3): New.
2114 (negv4sf2, neg<mode>2): Likewise.
2116 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
2119 * config/ia64/ia64.md (divsi3): Check divide by zero.
2120 (udivsi3): Likewise.
2122 (udivdi3): Likewise.
2124 2005-08-21 Jakub Jelinek <jakub@redhat.com>
2126 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
2127 up to elem_bitsize bits, not max_bitsize.
2129 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2131 PR tree-optimization/23433
2132 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
2133 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
2135 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2137 PR tree-optimization/23434
2138 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
2139 the iteration bound is not an INTEGER_CST.
2141 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
2143 * tree-vect-transform.c (get_initial_def_for_reduction): Set
2144 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
2145 NULL if need_epilog_adjust is false.
2146 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
2147 Case 3 always peels first itration, not just for PLUS case, and no need
2148 to use scalar_initial_def here. Create an epilog adjustment only if
2149 scalar_initial_def is not NULL.
2151 (vectorizable_reduction): Remove assert.
2153 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
2156 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
2157 (__moddi3): Likewise.
2158 (__udivdi3): Likewise.
2159 (__umoddi3): Likewise.
2160 (__divsi3): Likewise.
2161 (__modsi3): Likewise.
2162 (__udivsi3): Likewise.
2163 (__umodsi3): Likewise.
2165 2005-08-20 Jakub Jelinek <jakub@redhat.com>
2167 * tree-pass.h (TDF_GRAPH): Define.
2168 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
2169 * passes.c (finish_optimization_passes): Only call
2170 finish_graph_dump_file if TDF_GRAPH is set.
2171 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
2172 NULL. Set TDF_GRAPH bit.
2173 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
2175 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
2177 * arm.h (arm_stack_offsets): Add locals_base field.
2178 * arm.c (arm_get_frame_offsets): Compute it.
2179 (thumb_compute_initial_elimination offset): Make the Thumb frame
2180 pointer point to the base of the local variables.
2181 (thumb_expand_prologue): Update accordingly.
2182 (thumb_expand_epilogue): Likewise.
2184 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
2185 mode of clobbered scratch to DImode. Handle a case that's known to
2188 2005-08-19 David Edelsohn <edelsohn@gnu.org>
2190 * config/rs6000/rs6000.md (gt0<mode>): Delete.
2191 (gt0<mode>_compare): Delete.
2192 (neg_gt0<mode>): Delete.
2194 2005-08-19 Eric Christopher <echristo@apple.com>
2196 * optabs.h: Change CTI_ to COI_.
2199 2005-08-19 James E Wilson <wilson@specifix.com>
2201 * builtins.c (expand_builtin_return_addr): Set
2202 current_function_accesses_prior_frames when count != 0. Use
2203 frame_pointer_rtx when count == 0.
2204 * function.h (struct function): Add accesses_prior_frames field.
2205 (current_function_accesses_prior_frames): Define.
2206 * reload1.c (init_elim_table): Check
2207 current_function_accesses_prior_frames.
2208 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
2210 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2212 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
2213 indicator. Return true if the flowgraph changed during
2216 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2219 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
2220 conditional expression before testing its value.
2222 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2224 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
2226 2005-08-19 Devang Patel <dpatel@apple.com>
2228 PR tree-optimization/23048
2229 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
2230 third parameter. Check whether latch is dominated by exit
2232 (if_convertible_loop_p): Supply exit block itself to
2233 if_convertible_bb_p.
2235 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2238 * arm.md (arm_load_pic_register): Change argument to the mask of
2239 saved registers. Call thumb_find_work_register if we need a
2240 scratch register on Thumb.
2241 (arm_expand_prologue): Pass empty register set to
2242 arm_load_pic_register.
2243 (thumb_expand_prologue): Pass live_regs_mask directly to
2244 arm_load_pic_register.
2245 * arm-protos.h (arm_load_pic_register): Update prototype.
2247 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
2249 * sh.c (find_sole_member): New function.
2250 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
2251 if the record's alignment is larger than the size of its only member.
2253 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2256 * arm.c (thumb_legitimize_reload_address): New function.
2257 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
2258 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
2260 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
2262 * config/crx/crx.c: Implement crx_decompose_address. Reject
2263 symbolic displacements since CRX register relative adressing
2264 mode can't handle unsigned 32-bit values as displacements.
2265 * config/crx/crx.h: Simplify definitions, remove redundant
2266 parenthesis and obsolete macros.
2267 * config/crx/crx.opt: Add new switch for debugging addresses.
2268 * config/crx/crx-protos.h: Add new declarations for above.
2270 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
2273 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
2276 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2278 * collect2.c (dup2): Delete.
2279 * configure.ac: Don't check for dup2.
2281 * config.in, configure: Regenerate.
2283 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
2285 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
2286 record with the type of its only member.
2288 2005-08-18 David Edelsohn <edelsohn@gnu.org>
2290 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
2291 define_insn_and_split.
2292 (plus_ltu<mode>_compare): Same.
2293 (gtu<mode>_compare): Same.
2294 (plus_gtu<mode>_compare): Same.
2296 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
2298 PR tree-optimization/22228
2299 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
2301 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
2302 are recorded in vect_vnames_to_rename for renaming.
2303 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
2304 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
2305 in vect_vnames_to_rename.
2306 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
2307 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
2309 2005-08-18 Jan Hubicka <jh@suse.cz>
2312 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
2313 info only for local statics, not for member variables.
2315 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2317 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
2319 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2321 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
2323 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
2326 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
2328 2005-08-17 James E Wilson <wilson@specifix.com>
2330 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2333 2005-08-17 David Edelsohn <edelsohn@gnu.org>
2335 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
2336 (leu<mode>_compare): Same.
2337 (plus_leu<mode>): Same.
2338 (neg_leu<mode>): Same.
2339 (and_neg_leu<mode): Same.
2340 (ltu<mode>_compare): Same.
2341 (plus_ltu<mode>): Same.
2343 (geu<mode>_compare): Same.
2344 (plus_geu<mode>): Same.
2345 (neg_geu<mode>): Same.
2346 (and_neg_geu<mode>): Same.
2347 (plus_gt<mode>): Same.
2348 (gtu<mode>_compare): Same.
2349 (plus_gtu<mode>): Same.
2351 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
2353 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
2354 Move call_table_data to end. Delete spurious .text.
2355 (callt_save_all_interrupt): Fix comment typo.
2357 2005-08-17 James E Wilson <wilson@specifix.com>
2358 Kevin Winchester <winchester@amirix.com>
2361 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
2363 2005-08-17 Uros Bizjak <uros@kss-loka.si>
2366 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
2367 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
2369 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
2371 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
2372 record with the type of its only member if the modes don't match.
2374 * varasm.c (decode_reg_name): Skip empty additional register names.
2376 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2378 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
2379 lsm_tmp_name_length): New.
2380 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
2381 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
2383 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2384 Andreas Krebbel <krebbel1@de.ibm.com>
2386 * config.gcc: Added z9-109 switch.
2387 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
2388 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
2389 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
2390 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
2391 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
2392 for "z9_109" cpu attribute.
2393 * config/s390/s390.c (z9_109_cost): New processor cost structure.
2394 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
2395 (s390_handle_arch_option): Added z9-109 switch.
2396 (override_options): Set respective cost function for z9-109.
2397 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
2398 (legitimate_reload_constant_p): Accept extended immediates.
2399 (print_operand): Three new output modifiers added: k, m and o.
2400 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
2401 (s390_output_mi_thunk): Use extended immediate when possible.
2402 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
2403 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
2404 (CONSTRAINT_LEN): Added length of O constraint.
2405 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
2406 * config/s390/s390.md ("cpu"): New value z9_109 added.
2407 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
2408 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
2409 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
2410 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
2411 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
2412 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
2413 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
2414 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
2415 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
2416 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2417 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
2418 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
2419 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
2420 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
2421 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
2423 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
2424 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
2425 insns for TARGET_EXTIMM.
2427 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
2429 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
2431 2005-08-17 Nick Clifton <nickc@redhat.com>
2433 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
2434 Call default_encode_section_info.
2436 2005-08-17 Steven Bosscher <stevenb@suse.de>
2438 PR tree-optimization/21574
2439 * tree-ssa-ccp.c (likely_value): If the right hand side is a
2440 constant, return CONSTANT.
2441 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
2442 (ccp_fold, visit_assignment): Likewise.
2443 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
2445 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
2447 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
2448 fold_buildN instead of buildN then fold_initializer or fold.
2449 (build_unary_op): Likewise.
2450 (build_binary_op): Likewise.
2451 * fold-const.c (fold_initializer): Remove.
2452 (fold_build1_initializer): New function.
2453 (fold_build2_initializer): New function.
2454 (fold_build3_initializer): New function.
2455 * tree.h (fold_initializer): Remove.
2456 (fold_build1_initializer): New function.
2457 (fold_build2_initializer): New function.
2458 (fold_build3_initializer): New function.
2460 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
2462 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
2463 (try_move_mult_to_index): Call fold_build2 instead of build2.
2464 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
2465 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
2466 fold_binary_to_constant.
2467 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
2469 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
2470 check if A == gcd (A, B). Remove TYPE argument.
2471 (analyze_offset) Use fold_build2 instead of fold (build.
2472 (create_data_ref): Likewise.
2473 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
2474 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
2477 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
2479 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
2480 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
2482 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
2485 * gimplify.c (zero_sized_type): New function.
2486 (gimplify_modify_expr_rhs): If we have a zero sized type,
2487 replace the statement with an empty statement.
2489 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
2491 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
2494 2005-08-16 Ian Lance Taylor <ian@airs.com>
2496 * doc/tm.texi (Label Output): Correct typo.
2498 2005-08-16 Steven Bosscher <stevenb@suse.de>
2501 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
2502 force_operand will work later on using have_insn_for.
2504 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2506 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
2508 2005-08-16 Ian Lance Taylor <ian@airs.com>
2511 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
2512 vector type, don't try to construct it element by element. Add an
2513 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
2515 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2517 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
2519 2005-08-16 Geoffrey Keating <geoffk@apple.com>
2521 * doc/invoke.texi (Precompiled Headers): Document some more options
2522 which are known to be safe.
2524 2005-08-16 James E Wilson <wilson@specifix.com>
2526 PR tree-optimization/21105
2527 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2528 TREE_OVERFLOW check.
2530 2005-08-16 David Edelsohn <edelsohn@gnu.org>
2532 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
2533 (neg_ltu<mode>): Same.
2535 (neg_gtu<mode>): Same.
2537 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2539 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
2540 (fold_builtin_isdigit): Use fold_buildN.
2541 (build_function_call_expr): Likewise.
2542 * c-typeck.c (c_finish_loop): Likewise.
2544 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
2545 Richard Shann <rshann@superh.com>
2547 PR middle-end/20396:
2548 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
2550 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
2552 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
2554 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
2557 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
2558 arm_compure_save_reg0_reg12_mask to determine when the PIC register
2561 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2564 * fold-const.c (build_range_check): Disable optimization for function
2565 pointer expressions on targets that require function pointer
2568 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
2570 * simplify-rtx.c (simplify_const_relational_operation): When
2571 extracting arguments of a COMPARE, recompute the mode as well.
2573 2005-08-15 Ian Lance Taylor <ian@airs.com>
2575 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
2577 2005-08-15 DJ Delorie <dj@redhat.com>
2579 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
2581 (movsi_splittable): Allow, but split, moves to the stack.
2582 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
2585 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2587 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
2588 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
2589 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
2591 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
2592 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
2593 Delete HOST_PTR_PRINTF.
2595 * configure, config.in: Regenerate.
2597 2005-08-15 David Edelsohn <edelsohn@gnu.org>
2599 * config/rs6000/rs6000.md (QHSI): New mode macro.
2600 (wd): Extend mode attr for QImode and HImode
2601 (dbits): New mode attr.
2602 (zero_extend<mode>di2): Convert to mode macro.
2604 2005-08-15 Steve Ellcey <sje@cup.hp.com>
2607 * doc/invoke.texi (-mgnu-ld): Update description.
2610 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2613 * Makefile.in (tree-chrec.o): Depends on real.h.
2614 * tree-chrec.c: Include real.h.
2615 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
2616 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
2617 * tree-scalar-evolution.c (add_to_evolution_1,
2618 interpret_rhs_modify_expr): Ditto.
2620 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2623 * tree-data-ref.c (estimate_niter_from_size_of_data): When
2624 step is negative compute the estimation from init downwards to zero.
2626 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
2628 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
2630 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2632 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
2634 (legitimate_reload_constant_p): Fix handling of lliXX operands.
2635 Accept double-word constants that can be split.
2636 * config/s390/s390.md ("movti"): Use 'P' constraint.
2637 ("*movdi_31", "*movdf_31"): Likewise.
2639 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
2641 Fix PR tree-optimization/22615
2643 * tree-ssa-structalias.c (solution_set_add): Handle
2644 first_vi_for_offset returning NULL.
2645 (do_da_constraint): Ditto.
2646 (do_sd_constraint): Ditto.
2647 (do_ds_constraint): Ditto
2648 (find_func_aliases): Ditto.
2649 (build_constraint_graph): RHS is allowed be ANYTHING.
2650 (first_vi_for_offset): Return NULL if we couldn't find anything at
2653 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2655 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
2656 over memory as first operand.
2658 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
2661 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
2662 available for setting it.
2664 2005-08-14 Ira Rosen <irar@il.ibm.com>
2666 PR tree-optimization/23320
2667 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
2668 data-refs' types instead of base object nullness. Add check for
2669 pointer type data-refs before first location comparison. Remove
2672 2005-08-14 Andreas Schwab <schwab@suse.de>
2674 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
2676 2005-08-13 James E Wilson <wilson@specifix.com>
2678 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
2679 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
2680 -fstack-protector-all, --param ssp-buffer-size): Document.
2681 (-Wvariadic-macros): Alphabetize.
2682 (-fsched-stalled-insns-dep): Add missing 'f'.
2684 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
2687 2005-08-13 David Edelsohn <edelsohn@gnu.org>
2689 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
2690 or indirect address operand.
2691 (EXTRA_ADDRESS_CONSTRAINT): New.
2692 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
2694 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
2696 PR tree-optimization/22236
2697 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
2698 successors and predecessors.
2699 * tree-chrec.c (chrec_convert): Before converting, check that
2700 sequences don't wrap.
2701 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
2702 (analyze_array): Extern.
2703 (find_data_references_in_loop): Remove call to
2704 compute_estimated_nb_iterations.
2705 * tree-data-ref.h (analyze_array): Declared.
2706 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
2707 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
2708 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
2709 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
2711 * tree-ssa-loop-ivcanon.c: Fix documentation.
2712 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
2713 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
2714 (infer_loop_bounds_from_undefined): New.
2715 (estimate_numbers_of_iterations_loop): Use
2716 infer_loop_bounds_from_undefined.
2717 (used_in_pointer_arithmetic_p): New.
2718 (scev_probably_wraps_p): Pass an extra parameter. Call
2719 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
2720 (convert_step): Fix documentation.
2721 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
2722 Use initial_condition_in_loop_num and evolution_part_in_loop_num
2723 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
2724 scev_probably_wraps_p.
2726 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
2728 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
2729 (s390_register_info): Ignore clobbered_regs information for fixed
2730 registers, and only fixed registers.
2731 (s390_init_frame_layout): Remove redundant call.
2733 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
2735 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
2736 description of -Wold-style-casts.
2738 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2739 Jakub Jelinek <jakub@redhat.com>
2741 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2742 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
2743 * config/s390/s390.c (print_operand): New output modifier 'G' added.
2744 (get_thread_pointer): Renamed to s390_get_thread_pointer.
2745 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
2746 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
2747 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
2748 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2749 ("stack_protect_set", "stack_protect_test"): New expanders.
2750 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
2751 "stack_protect_testdi"): New insn definitions.
2753 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2755 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
2757 2005-08-12 Paul Brook <paul@codesourcery.com>
2759 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
2761 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2763 * config/s390/predicates.md (setmem_operand): New predicate.
2764 (shift_count_operand): Accept ANDs with special constants as
2766 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
2767 with special constants.
2768 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
2769 shift_count_operand with setmem_operand.
2771 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2773 * config/s390/s390.c (s390_extract_part, s390_single_part):
2775 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
2776 (s390_output_mi_thunk): Don't use lg on 31 bit.
2777 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
2778 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
2780 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2782 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
2783 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
2784 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
2785 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
2786 with one of the new macros.
2788 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2790 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
2791 Don't set save_return_addr_p.
2792 (s390_register_info): Make clobbered_regs not depending on
2795 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
2797 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
2798 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
2800 2005-08-11 James E. Wilson <wilson@specifix.com>
2802 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
2804 2005-08-11 Jakub Jelinek <jakub@redhat.com>
2806 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
2807 locations gathered by var-tracking in single entry loc_list
2808 over loc_descriptor_from_tree.
2810 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
2811 pass it down to loc_descriptor.
2812 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
2813 (containing_function_has_frame_base): Move earlier in the file.
2814 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
2815 instead of always assuming fbreg can't be used.
2817 2005-08-11 David Edelsohn <edelsohn@gnu.org>
2819 * config/rs6000/altivec.md: Change constraint "m" to "Z".
2820 * config/rs6000/predicates.md (indexed_or_indirect_operand):
2821 Accept address wrapped in AND for Altivec.
2822 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2823 Strip AND wrapping offset address for Altivec.
2825 2005-08-11 Richard Henderson <rth@redhat.com>
2828 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
2829 before using TYPE_IS_SIZETYPE.
2831 2005-08-11 Richard Henderson <rth@redhat.com>
2834 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
2835 insn types not present on ev4.
2836 (alphaev5_insn_pipe): Similarly.
2838 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
2841 * arm.c (arm_override_options): If the user has selected callee-super-
2842 interworking, then enable normal interworking.
2844 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2846 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
2849 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
2851 * doc/rtl.texi: Fix two typos.
2853 2005-08-11 Richard Guenther <rguenther@suse.de>
2856 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
2857 cases where we call to/from functions returning void.
2859 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
2862 * tree.c (build_pointer_type_for_mode): Robustify.
2864 2005-08-10 James E Wilson <wilson@specifix.com>
2866 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
2867 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
2869 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
2872 2005-08-10 Eric Christopher <echristo@apple.com>
2874 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
2875 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
2878 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
2881 * config/darwin.c (machopic_indirect_data_reference): Use a new register
2882 for the high part when generating dynamic-no-pic code.
2884 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
2886 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
2887 (x86_64-*-linux*): Likewise.
2889 * config/i386/crtfastmath.c: New file.
2890 * config/i386/t-crtfm: Likewise.
2892 * config/i386/linux.h (ENDFILE_SPEC): New.
2893 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
2895 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2898 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
2900 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
2901 (vec_shl, vec_shr): Document new operations.
2902 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
2904 2005-08-10 David Edelsohn <edelsohn@gnu.org>
2906 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
2907 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
2908 change predicate to indexed_or_indirect_address.
2910 2005-08-10 Richard Sandiford <richard@codesourcery.com>
2912 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
2913 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
2914 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
2915 and __aeabi_uwrite8.
2916 * config/arm/unaligned-funcs.c: New file.
2917 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
2919 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
2921 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
2923 * cfglayout.c (pass_insn_locators_initialize): Add dump.
2924 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
2926 * except.c (pass_convert_to_eh_region_ranges): Add dump.
2927 * final.c (pass_shorten_branches): Add dump.
2928 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
2929 (pass_life): Rename dump.
2930 (rest_of_handle_flow2): Remove initial verify_flow_info.
2931 * function.c (pass_instantiate_virtual_regs): Add dump.
2932 * integrate.c (pass_initial_value_sets): Add dump.
2933 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
2934 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
2935 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
2936 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
2937 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
2938 gate_rtl_unrool_and_peel_loops): New.
2939 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
2940 rtl_doloop): Do not look at flags.
2941 * mode-switching.c (pass_mode_switching): Add dump.
2942 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
2943 pass_split_before_regstack): Add dump.
2944 * regmove.c (pass_stack_adjustments): Add dump.
2945 * tree-optimize.c (pass_fixup_cfg): Add dump.
2947 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2950 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
2951 deciding which instruction sequence to use.
2953 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
2955 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
2956 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
2958 2005-08-09 Richard Guenther <rguenther@suse.de>
2960 * c-common.c (builtin_function_2): Remove.
2961 (def_builtin_1): New function.
2962 (c_common_nodes_and_builtins): Use def_builtin_1 to
2963 build builtin functions.
2965 2005-08-09 Jie Zhang <jie.zhang@analog.com>
2967 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
2968 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2969 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
2972 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
2974 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
2975 fold_binary instead of fold_build2 since we don't care about the
2977 (loop_niter_by_eval): Likewise.
2978 (compare_trees): Likewise.
2979 (proved_non_wrapping_p): Likewise.
2981 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
2985 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
2986 if the if is really empty.
2988 2005-08-09 Steven Bosscher <stevenb@suse.de>
2990 PR tree-optimization/23234
2991 * tree-ssa-math-opts.c (place_reciprocal): New enum.
2992 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
2993 argument of the new enum.
2994 (execute_cse_reciprocals): Add reciprocals for function arguments
2995 on the unique successor edge of the entry block. Update other calls
2996 to execute_cse_reciprocals_1.
2998 2005-08-08 Richard Henderson <rth@redhat.com>
3001 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
3003 2005-08-08 Bob Wilson <bob.wilson@acm.org>
3005 * expr.c (write_complex_part): Return after handling MEM.
3007 2005-08-08 Josh Conner <jconner@apple.com>
3009 PR rtl-optimization/23241
3010 * combine.c (simplify_comparison): Fix error in determining
3011 whether to lift a subreg from comparison.
3013 2005-08-08 David Edelsohn <edelsohn@gnu.org>
3016 * config/rs6000/altivec.md (vec_init<mode>): New.
3017 (vec_set<mode>): New.
3018 (vec_extract<mode>): New.
3019 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
3020 (rs6000_expand_vector_set): New.
3021 (rs6000_expand_vector_extract): New.
3022 (rs6000_legitimate_offset_address_p): Offset addresses are valid
3023 for Altivec modes before reload.
3024 (altivec_expand_vec_init_builtin): New.
3025 (get_element_number): New.
3026 (altivec_expand_vec_set_builtin): New.
3027 (altivec_expand_vec_ext_builtin): New.
3028 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
3030 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
3032 * config/rs6000/rs6000.h (rs6000_builtins): Add
3033 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
3034 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
3035 * config/rs6000/rs6000-protos.h: Declare new functions.
3037 2005-08-08 Jan Hubicka <jh@suse.cz>
3039 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
3040 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
3041 * i386.md (movdi*): Use pic_32bit_operand.
3042 * predicates.md (pic_32bit_operand): New.
3044 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
3047 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
3049 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
3051 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
3052 (test_for_singularity): Use fold_build2.
3054 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3056 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
3058 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
3060 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3061 (COMMON_ASM_OP) Define.
3062 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
3063 (ix86_encode_section_info): Likewise.
3064 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
3065 SUBTARGET_ENCODE_SECTION_INFO.
3067 2005-08-06 Richard Henderson <rth@redhat.com>
3070 * tree-nested.c (convert_local_reference): Save and restore val_only
3071 around component_ref and friends. Clear walk_subtrees by default.
3073 2005-08-06 Peter O'Gorman <peter@pogma.com>
3076 * gcc.c (process_command): Check the argument to -b has a dash.
3077 * doc/invoke.texi: Update -b and -V docs.
3079 2005-08-06 James E Wilson <wilson@specifix.com>
3081 * config/mips/cross64.h, config/mips/t-cross64: Delete.
3083 2005-08-06 Michael Matz <matz@suse.de>
3085 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
3086 member only if only one insn is associated with the value.
3088 2005-08-06 Nick Clifton <nickc@redhat.com>
3090 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
3092 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
3093 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
3094 Check symbol flags instead of symbol name mangling.
3095 (xstormy16_asm_output_aligned_common): Likewise. Also
3096 simplify code since the bss100_section cass is the only case
3097 where the below100 code will be triggered.
3098 (xstormy16_encode_section_info): Encode below100 attribute
3099 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
3101 (xstormy16_strip_name_encoding): Delete - this function is no
3103 (TARGET_STRIP_NAME_ENCODING): Undefine.
3104 * config/stormy16/stormy16-protos.h: Delete prototype for
3105 xstormy16_strip_name_encoding.
3107 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
3109 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
3110 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
3111 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
3112 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
3113 config/alpha/predicates.md, config/arc/arc.h,
3114 config/arm/arm.h, config/arm/ieee754-df.S,
3115 config/arm/ieee754-sf.S, config/bfin/bfin.c,
3116 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
3117 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
3118 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
3119 config/m68hc11/m68hc11.h, config/mips/mips.c,
3120 config/mips/mips.h, config/mips/openbsd.h,
3121 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
3122 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
3123 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3124 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3125 config/sparc/linux.h, config/sparc/linux64.h,
3126 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
3127 doc/extend.texi, doc/gcov.texi, doc/install.texi,
3128 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
3129 typos. Follow spelling conventions.
3131 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
3134 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
3135 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
3136 specially. Check for side effects only for COND_EXPR.
3137 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
3138 return with TREE_NO_WARNING.
3140 2005-08-06 Richard Sandiford <richard@codesourcery.com>
3142 PR rtl-optimization/23233
3143 * loop.c (combine_movables): Require the modes to be the same.
3144 (move_movables): Remove handling of cases where the replacement
3145 had a different mode to the original.
3147 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
3149 PR tree-optimization/23128
3150 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
3151 subtraction wrap, and set TREE_OVERFLOW if they do.
3153 2005-08-05 Richard Henderson <rth@redhat.com>
3156 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
3157 FORCED_LABEL labels.
3159 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
3162 * reload.c (find_reloads_subreg_address): Pass down TYPE
3163 unchanged. Change all callers except find_reloads_toplev.
3165 2005-08-05 Michael Matz <matz@suse.de>
3167 * genattrtab.c (current_alternative_string): Remove.
3168 (SIMPLIFY_ALTERNATIVE): Ditto.
3169 (attr_alt_bit_p): Ditto.
3170 (alternative_name): Make const char *.
3171 (evaluate_eq_attr): Remove use of above things.
3172 (simplify_test_exp): Ditto.
3173 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
3174 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
3176 2005-08-04 James E Wilson <wilson@specifix.com>
3178 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
3179 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
3180 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
3181 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
3182 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
3184 2005-08-04 Richard Henderson <rth@redhat.com>
3187 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
3188 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
3189 * tree-sra.c (decide_block_copy): Use it. Disable element copy
3190 if we'd have to instantiate too many members.
3192 2005-08-04 Richard Henderson <rth@redhat.com>
3195 * tree-outof-ssa.c (coalesce_asm_operands): New.
3196 (coalesce_ssa_name): Use it. Split out ...
3197 (coalesce_phi_operands, coalesce_result_decls): ... these.
3199 2005-08-04 Paul Brook <paul@codesourcery.com>
3201 * read-rtl.c (read_quoted_string): Break if EOF.
3203 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
3205 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
3206 (fold_build2): Likewise.
3207 (fold_build3): Likewise.
3208 (fold_build1_stat): New function prototype.
3209 (fold_build2_stat): Likewise.
3210 (fold_build3_stat): Likewise.
3211 * fold-const.c (fold_build1): Rename to ..
3212 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3213 through to build1_stat.
3214 (fold_build2): Rename to ..
3215 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3216 through to build2_stat.
3217 (fold_build3): Rename to ..
3218 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3219 through to build3_stat.
3221 2005-08-04 David Edelsohn <edelsohn@gnu.org>
3222 Ian Lance Taylor <ian@airs.com>
3224 * function.c (assign_stack_local_1): Do not correct stack slot
3225 address if allocation size is smaller than mode size.
3227 2005-08-04 Diego Novillo <dnovillo@redhat.com>
3230 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
3231 (tree_merge_blocks): Propagate anything allowed by
3233 Clarify documentation.
3234 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
3235 SSA form, schedule an update if necessary.
3237 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
3239 * doc/install.texi (Binaries): Remove broken link to
3240 Sinix/Reliant Unix binaries.
3242 2005-08-03 Richard Henderson <rth@redhat.com>
3245 * function.c (stack_protect_epilogue): Export.
3246 * tree.h (stack_protect_epilogue): Declare.
3247 * calls.c (expand_call): Call it.
3249 2005-08-03 Eric Christopher <echristo@apple.com>
3251 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
3252 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
3255 2005-08-04 Jan Hubicka <jh@suse.cz>
3257 * profile.c (branch_prob): Split edges with goto locus on them
3258 to get proper line counts.
3259 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
3261 2005-08-03 Paul Brook <paul@codesourcery.com>
3263 * function.c (assign_parms): Round current_function_args_size
3264 to PARM_BOUNDARY, not STACK_BOUNDARY.
3266 2005-08-03 Geoffrey Keating <geoffk@apple.com>
3268 * config/i386/i386.c (x86_elf_aligned_common)
3269 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
3271 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
3273 PR tree-optimization/23157
3274 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
3275 before emitting them.
3277 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3279 PR tree-optimization/19899
3280 * Makefile.in (tree-scalar-evolution.o): Add real.h.
3281 * tree-scalar-evolution.c: Include real.h.
3282 (add_to_evolution): Build constant -1 of correct type.
3284 2005-08-03 Jan Hubicka <jh@suse.cz>
3286 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
3287 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
3288 profile updating for complette unrolling.
3289 * loop-unroll.c (peel_loop_completely): Use it.
3290 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
3291 (tree_unroll_loops_completely): Disable code growing unrolling of cold
3294 2005-08-03 Paul Brook <paul@codesourcery.com>
3296 * combine.c (can_change_dest_mode): New function.
3297 (try_combine, simplify_set): Use it.
3299 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
3301 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
3304 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
3306 * doc/install.texi (Specific): Adjust link to openavr.org.
3307 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
3308 (Binaries): Adjust HP-UX Porting Center link.
3309 (Binaries): Adjust Free Software Foundation ordering link.
3311 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
3313 * convert.c (convert_to_integer): Use fold_build1 instead of
3314 build1 when converting an integer to an integer.
3316 2005-08-02 Richard Henderson <rth@redhat.com>
3318 * combine.c (combine_instructions): Don't use reg_equal/equiv
3319 results if the mode doesn't match.
3321 2005-08-02 Mark Mitchell <mark@codesourcery.com>
3323 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
3324 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
3326 2005-08-02 Richard Henderson <rth@redhat.com>
3329 * explow.c (memory_address): Remove special-case for
3330 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
3332 2005-08-02 Diego Novillo <dnovillo@redhat.com>
3335 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
3336 number of calls to cleanup_tree_cfg_1.
3338 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
3340 * doc/invoke.texi: document file extensions .F90 and .F95
3342 2005-08-02 Richard Guenther <rguenther@suse.de>
3344 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
3345 positive if its first argument is positive.
3347 2005-08-02 Richard Guenther <rguenther@suse.de>
3349 PR tree-optimization/23177
3350 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
3353 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
3355 PR tree-optimization/23129
3356 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
3357 varying for divisions with anti-ranges.
3359 2005-08-02 Jan Hubicka <jh@suse.cz>
3361 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
3362 * tree-ssa-threadupdate.c (thread_block): Add it here.
3364 2005-08-01 James E Wilson <wilson@specifix.com>
3366 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
3367 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
3368 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
3370 * config/mips/predicates.md (const_call_insn_operand): Add check for
3371 SYMBOL_REF_LONG_CALL_P.
3372 * doc/extend.texi (long_call): Document the new attribute.
3374 2005-08-01 Ian Lance Taylor <ian@airs.com>
3375 Richard Henderson <rth@redhat.com>
3377 * Makefile.in (RTL_BASE_H): Add real.h.
3378 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
3380 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
3382 * rtl.c (rtl_check_failed_code_mode): New.
3383 * rtl.h (struct rtx_def): Add u.rv.
3384 (XCMWINT, XCNMPRV): New.
3385 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
3386 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
3388 2005-08-01 Richard Henderson <rth@redhat.com>
3390 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
3391 with auto-inc codes.
3393 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
3395 2005-08-01 Jan Hubicka <jh@suse.cz>
3397 * i386-protos.h (asm_preferred_eh_data_format): Declare.
3398 * i386.c: Include dwarf2.h
3399 (asm_preferred_eh_data_format): New.
3400 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
3402 2005-08-01 Ian Lance Taylor <ian@airs.com>
3404 * config/host-linux.c (linux_gt_pch_get_address): Add new name
3405 randomize_va_space for virtual address randomization control.
3407 2005-08-01 Steven Bosscher <stevenb@suse.de>
3409 * common.opt (flag_ipa_cp): Put in right place to maintain
3412 2005-08-01 Jan Hubicka <jh@suse.cz>
3414 * profile.c (compute_value_histograms): Fix thinko.
3415 * value-prof.c: Include toplev.h
3416 (check_counter): New function.
3417 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
3418 tree_mod_subtract_transform): Add sanity check.
3420 2005-08-01 Richard Guenther <rguenther@suse.de>
3422 PR tree-optimization/23133
3423 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
3424 current functions parameter decls to find defs to cse
3427 2005-08-01 Richard Guenther <rguenther@suse.de>
3429 PR tree-optimization/23109
3430 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
3431 If trapping math is in effect, use post-dominator information
3432 to check if we'd in any case reach a trapping point before
3433 doing the reciprocal insertion.
3434 (execute_cse_reciprocals): Compute post-dominators, if necessary.
3435 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
3436 expressions are invariant only if trapping math is not in effect.
3438 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
3440 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
3441 cgraph_function_versioning): New declarations.
3442 * cgraphunit.c: Add include to ipa-prop.h.
3443 (update_call_expr, cgraph_copy_node_for_versioning,
3444 cgraph_function_versioning): New functions.
3445 * integrate.c (copy_decl_for_inlining): Remove.
3446 * ipa-prop.h (ipa_replace_map): New struct.
3447 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
3448 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
3449 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
3450 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
3451 ipcp_iterate_stage, ipcp_method_scale_print,
3452 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
3453 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
3454 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
3455 ipcp_update_bb_counts, ipcp_update_profiling,
3456 ipcp_update_edges_counts): New functions.
3457 (ipcp_method_cval_init): Remove restriction regarding local methods.
3458 (ipcp_init_stage): Add ipcp_method_compute_scale.
3459 (ipcp_insert_stage): Add versioning.
3460 (ipcp_structures_print): Add ipcp_method_scale_print.
3461 (ipcp_driver): Dump profiling info.
3462 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
3463 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
3464 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
3465 (struct inline_data): Add versioning_p, ipa_info, new fields.
3466 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
3467 declare_return_variable): Replace calls to copy_decl_for_inlining with
3469 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
3471 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
3472 Add argument VERSIONING.
3473 (copy_arguments_for_versioning, copy_static_chain,
3474 function_versionable_p, tree_versionable_function_p,
3475 tree_function_versioning, replace_ref_tree): New functions.
3476 * tree-inline.h: Include varray.h.
3477 (tree_versionable_function_p, tree_function_versioning,
3478 tree copy_decl_for_dup): New declarations.
3480 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
3482 * ipa-cp.c: New file. Contains IPCP specific functionality.
3483 * ipa-prop.h: New file. Contains structures/definitions that can be
3484 used by several interprocedural data flow optimizations (and also IPCP).
3485 * ipa-prop.c: New file.
3486 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
3487 * common.opt: Add ipa-cp flag.
3488 * timevar.def: Add IPCP optimization.
3489 * tree-optimize.c (init_tree_optimization_passes): Schedule
3491 * tree-pass.h (pass_ipa_cp): Declare.
3493 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
3495 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
3496 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
3497 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
3498 config/i386/i386.c, config/mips/mips.h,
3499 config/rs6000/rs6000.h, config/sh/sh.c,
3500 config/stormy16/stormy16.c: Fix comment typos.
3502 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
3505 * c-typeck.c (build_binary_op): Use common_type wrapper on
3507 (common_type): Update comment.
3509 2005-07-31 Steven Bosscher <stevenb@suse.de>
3512 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
3513 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
3514 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
3516 2005-07-31 Jan Hubicka <jh@suse.cz>
3518 * pretty-print.h (pp_widest_integer): New macro.
3519 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
3522 2005-07-31 Jan Hubicka <jh@suse.cz>
3524 * output.h (enum section_category): Export from varasm.c
3525 (categorize_decl_for_section): Likewise.
3526 * varasm.c (enum section_category): Kill.
3527 (categorize_decl_for_section): Make global.
3528 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
3530 * i386.c (ix86_section_threshold): New static variable.
3531 (ix86_in_large_data_p, ix86_encode_section_info,
3532 x86_64_elf_unique_section,
3533 x86_64_elf_select_section): New functions.
3534 (TARGET_ENCODE_SECTION_INFO): Define
3535 (override_options): Enable medium model for PIC.
3536 (ix86_expand_prologue): Expand gen_set_got_rex64.
3537 (legitimate_constant_p): Handle new UNSPECs.
3538 (legitimate_pic_address_disp_p): Likewise.
3539 (legitimize_pic_address): Lower MEDIUM model addressing.
3540 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
3541 (enum cmodel): Add MEDIUM_PIC.
3542 (SYMBOL_REF_FAR_ADDR_P): New macro.
3543 (SYMBOL_FLAG_FAR_ADDR): New flag.
3544 * i386.md (movdi): Support medium model.
3545 (set_got_rex64): New pattern.
3546 * i386.opt (mlarge-data-threshold): New flag.
3547 * predicates.md (zext_operand/sext_operand): Deal with medium model.
3548 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
3549 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
3550 TARGET_ASM_UNIQUE_SECTION): New.
3552 * invoke.texi (-mlarge_data_threshold): Document
3554 2005-07-31 Jan Hubicka <jh@suse.cz>
3556 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
3557 (coalesce_vars): Likewise.
3558 * tree-ssa-live.c (coalesce_cost): New.
3559 (build_tree_conflict_graph): Use coalesce_cost.
3560 * tree-ssa-live.h (coalesce_cost): Declare.
3562 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
3564 * arm.md (all peepholes for post-increment operations): Delete.
3565 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
3566 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
3567 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
3568 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
3569 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
3571 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
3573 * fold-const.c (tree_expr_nonnegative_p): Always return true for
3576 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
3579 * doc/invoke.texi: Document -rdynamic.
3581 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
3584 * c-parser.c (c_parser_parms_list_declarator): Call
3585 mark_forward_parm_decls.
3586 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
3587 decls with visibility structure.
3589 2005-07-30 Paul Brook <paul@codesourcery.com>
3591 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
3593 2005-07-30 Paul Brook <paul@codesourcery.com>
3595 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
3597 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
3599 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
3601 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3604 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
3605 nested function declarators.
3606 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
3607 (grokparms): Call warn_if_shadowing for parameters used within the
3609 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
3610 not used within the parameter list.
3611 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
3613 2005-07-30 Jan Hubicka <jh@suse.cz>
3615 * expr.c (expand_expr_real_1): Do not load mem targets into register.
3616 * i386.c (ix86_fixup_binary_operands): Likewise.
3617 (ix86_expand_unary_operator): Likewise.
3618 (ix86_expand_fp_absneg_operator): Likewise.
3619 * optabs.c (expand_vec_cond_expr): Validate dest.
3621 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3624 * real.c (real_from_string): Also set last bit if there is a
3625 nonzero hex digit beyond GCC's internal precision after ".".
3627 2005-07-29 David Edelsohn <edelsohn@gnu.org>
3629 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
3630 define_constants. Change duplicate values to unassigned numbers.
3631 Change UNSPEC_SUBS to UNSPEC_VSUBS.
3632 (*altivec_vspltsf): New.
3633 (altivec_vperm_v4sf): Delete.
3634 (altivec_vperm_<mode>): Use mode macro V.
3635 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
3636 (altivec_predicate_v4sf): Delete.
3637 (altivec_predicate_<mode>): Use mode macro V.
3638 (*altivec_lvesfx): New.
3639 (*altivec_stvesfx): New.
3640 (vec_realign_load_v4sf): Delete.
3641 (vec_realign_load_<mode>): Use mode macro V.
3642 * config/rs6000/rs6000.c (generate_set_vrsave): Use
3645 2005-07-29 Mark Mitchell <mark@codesourcery.com>
3648 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
3650 * configure: Regenerated.
3652 2005-07-29 Paul Brook <paul@codesourcery.com>
3654 * doc/install.texi: Add link to GFortran binaries wiki page.
3656 2005-07-29 David Ung <davidu@mips.com>
3658 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
3659 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
3660 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
3661 * config/mips/mips.md (cpu): Add 5kf name.
3662 (includes): Includes 5k.md.
3663 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
3664 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
3667 2005-07-29 Diego Novillo <dnovillo@redhat.com>
3670 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
3671 (cleanup_tree_cfg): ... here.
3672 Call cleanup_tree_cfg_1 until there are no more cleanups to
3675 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
3677 * tree-vrp.c (compare_range_with_value): Return true or false
3678 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
3679 EQ_EXPR respectively.
3681 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
3683 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
3686 2005-07-29 Diego Novillo <dnovillo@redhat.com>
3688 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
3689 (tree_ssa_dominator_optimize): Increment it.
3690 (dump_dominator_optimization_stats): Print it.
3692 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
3693 Steven Bosscher <stevenb@suse.de>
3695 PR rtl-optimization/23117
3696 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
3697 when head == tail. Tidy comment.
3699 2005-07-28 Richard Henderson <rth@redhat.com>
3701 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
3702 * cselib.c (rtx_equal_for_cselib_p): Likewise.
3703 * jump.c (rtx_renumbered_equal_p): Likewise.
3704 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
3705 CONST_INT and CONST_DOUBLE.
3706 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
3707 * reload.c (operands_match_p): Special case CONST_INT and
3708 CONST_DOUBLE; check mode earlier.
3710 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3713 * c-typeck.c (convert_for_assignment): Do not check
3714 DECL_IN_SYSTEM_HEADER on NULL fundecl.
3716 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3719 * c-typeck.c (composite_type): Prefer constant size arrays to
3722 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3725 * real.c (real_from_string): Set last bit if there is a nonzero
3726 hex digit beyond GCC's internal precision.
3728 2005-07-28 Richard Henderson <rth@redhat.com>
3731 * cfgcleanup.c (try_forward_edges): Watch out for end of
3734 2005-07-28 James E Wilson <wilson@specifixinc.com>
3737 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
3739 2005-07-28 Jan Hubicka <jh@suse.cz>
3741 * Makefile.in (rtl-profile.o): Kill all traces of it.
3742 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
3743 * coverage.h (rtl_coverage_counter_ref): Kill.
3744 * opts.c (flag_speculative_prefetching_set): Kill.
3745 (flag_loop_optimize_set): New.
3746 (common_handle_option): Disable loop optimizer when profiling;
3747 do not handle speculative prefetching.
3748 * passes.c (init_optimization_passes): Replace pass_profiling combo
3749 by branch_prob pass.
3750 * profile.c (compute_value_histograms): Update for simplified value
3752 (rtl_register_profile_hooks): Kill.
3753 (pass_profiling): Kill.
3754 (rest_of_handle_branch_prob): Do not profile.
3755 * toplev.c (process_options): Remove speculative prefetching.
3756 * toplev.h (flag_tree_based_profiling): Kill.
3757 * tree-profile.c (prepare_instrumented_value,
3758 tree_gen_interval_profiler, tree_gen_pow2_profiler,
3759 tree_gen_one_value_profiler, do_tree_profiling): Update for
3760 simplified datastructures.
3761 * value-prof.c: Add comment that speculative prefetching was dropped;
3762 update rest of file for simplified datastructures.
3763 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
3764 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
3765 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
3766 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
3767 rtl_mod_subtract, gen_speculative_prefetch,
3768 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
3769 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
3770 (gate_handle_value_profile_transformations,
3771 rest_of_handle_value_profile_transformations,
3772 pass_value_profile_transformations): Kill.
3773 * value-prof.h (histogram_value_t): Remove IL based unions.
3774 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
3775 rtl_profile_hooks): Remove hooks.
3777 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
3779 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
3780 (cgraph_clone_node): Likewise.
3781 * cgraph.h (cgraph_clone_edge): Update prototype.
3782 (cgraph_clone_node): Likewise.
3783 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
3785 (lookup_recursive_calls): Consider profile.
3786 (cgraph_decide_recursive_inlining): Fix updating; use new
3787 probability argument; use profile.
3788 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
3789 * tree-inline.c (copy_bb): Update clal of clone_edge.
3790 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
3792 * invoke.texi (min-inline-recursive-probability): Document.
3794 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
3796 * doc/install.texi (Configuration): Update Valgrind homepage.
3798 2005-07-28 Richard Henderson <rth@redhat.com>
3801 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
3802 labels we want to delete.
3803 (cfg_layout_merge_blocks): Likewise.
3805 2005-07-28 Richard Henderson <rth@redhat.com>
3808 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
3809 when expanding to nothing.
3811 2005-07-28 Josh Conner <jconner@apple.com>
3813 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
3814 (cgraph_decide_inlining_of_small_functions): Likewise.
3816 2005-07-28 Josh Conner <jconner@apple.com>
3818 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
3819 direction of badness if negative.
3820 (cgraph_default_inline_p): Add reason to parameters, and assign it
3822 (cgraph_decide_inlining_of_small_functions): New parameter in call
3823 to cgraph_default_inline_p.
3824 (cgraph_decide_inlining_incrementally): Likewise.
3825 * cgraphunit.c (decide_is_function_needed): Likewise.
3826 * cgraph.h (cgraph_default_inline_p): Likewise.
3828 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3830 * builtins.c: Fix comment typo(s).
3831 * genautomata.c: Likewise.
3832 * gimplify.c: Likewise.
3833 * tree-dfa.c: Likewise.
3834 * tree-flow-inline.h: Likewise.
3835 * tree-into-ssa.c: Likewise.
3836 * tree-ssa-alias.c: Likewise.
3837 * tree-ssa-ccp.c: Likewise.
3838 * tree-ssa-copy.c: Likewise.
3839 * tree-ssa-dce.c: Likewise.
3840 * tree-ssa-dom.c: Likewise.
3841 * tree-ssa-operands.c: Likewise.
3842 * tree-tailcall.c: Likewise.
3843 * tree-vectorizer.c: Likewise.
3844 * tree-vrp.c: Likewise.
3847 2005-07-28 Jeff Law <law@redhat.com>
3849 * tree-vrp.c (test_for_singularity): Extracted from ...
3850 (simplify_cond_using_ranges): Attempt to simplify a relational
3851 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
3853 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
3855 PR tree-optimization/22506
3856 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
3857 phis whose argument is constant.
3859 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
3861 PR rtl-optimization/18992
3862 Back out this patch:
3863 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3864 PR optimization/12142
3865 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
3866 uses of the register in the SET_SRC. Remove unnecessary argument.
3868 Replace it with this:
3869 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
3870 if flag_non_call_exceptions is set and the insn may trap, pass
3871 pc_rtx as dest for recursion.
3872 In SET_SRC part of SET case, if dest is already set, pass it down
3875 2005-07-28 Jan Hubicka <jh@suse.cz>
3877 * cfg.c (update_bb_profile_for_threading): Use RDIV.
3878 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
3879 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
3881 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
3882 profile when available.
3884 2005-07-28 Jan Beulich <jbeulich@novell.com>
3886 * config/ia64/ia64.c (ia64_load_pair_ok): New.
3887 (ia64_print_operand): Describe and handle 'X'.
3888 (ia64_register_move_cost): Also handle FP_REGS.
3889 (ia64_preferred_reload_class): Likewise.
3890 (ia64_secondary_reload_class): Likewise.
3891 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
3892 it. Also check for ITANIUM_CLASS_FLDP.
3893 * config/ia64/ia64.h (FP_REGNO_P): New.
3894 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
3895 (reg_class): Add FP_REGS.
3896 (REG_CLASS_NAMES): Adjust for it.
3897 (REG_CLASS_CONTENTS): Likewise.
3898 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
3899 (REG_CLASS_FROM_LETTER): Handle 'x'.
3900 (CLASS_MAX_NREGS): Handle FP_REGS.
3901 (MEMORY_MOVE_COST): Likewise.
3902 * config/ia64/ia64.md (itanium_class): Add fldp.
3903 (type): Handle fldp.
3904 (movti_internal): More allowable operand combinations. Use ldfp8 when
3905 splitting unnecessary. Remove predicable attribute. Adjust
3906 itanium_class attribute.
3907 (smuldi3_highpart): Remove outdated comment.
3908 (mulditi3, umulditi3, rotlti3): New expanders.
3909 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
3910 (absti2): Disabled new insn for future reference.
3911 Respective new splitters.
3912 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
3913 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
3914 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
3916 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
3918 PR rtl-optimization/23047
3919 * simplify-rtx.c (simplify_const_relational_operation): Respect
3920 flag_wrapv for comparisons with ABS.
3922 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
3924 PR tree-optimization/22493
3925 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
3926 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
3928 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
3930 * config/frv/frv.opt (moptimize-membar): New.
3932 * doc/invoke.texi: Document -moptimize-membar and its inverse.
3934 * config/frv/frv.h: Remove machine_function definition.
3936 * config/frv/frv.c (struct frv_io): New.
3937 (struct machine_function): Moved from frv.h. Add has_membar_p.
3938 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
3939 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
3940 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
3941 (frv_optimize_membar_global, frv_optimize_membar): New functions.
3942 (frv_reorg): Call frv_optimize_membar when appropriate.
3943 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
3944 (frv_expand_builtin): Adjust calls accordingly.
3945 (frv_io_address_cookie): New function.
3946 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
3947 load or store rather than a special insn. Add ccnstant address and
3948 io-type operands to the membar.
3949 (frv_ifcvt_modify_tests): Unsign regno.
3950 (frv_ifcvt_modify_tests): Same.
3952 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
3953 UNSPEC_OPTIONAL_MEMBAR constant.
3954 (builtin_read_<mode>): Delete.
3955 (builtin_write_<mode>): Delete.
3956 ("optional_membar_<mode>"): Add operand.
3958 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
3959 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
3960 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
3961 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
3962 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
3963 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
3964 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
3965 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
3966 * testsuite/gcc.target/frv/all-read-write-1.c: New.
3968 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
3970 * df.c (df_uses_record): Handle SCRATCH.
3972 2005-07-28 Steven Bosscher <stevenb@suse.de>
3975 * passes.c (rest_of_decl_compilation): If decl is a type and
3976 we have encountered errors, don't emit debug information.
3978 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3980 * params.def: Fixed comment.
3982 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
3985 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
3986 (TARGET_ASM_UNALIGNED_HI_OP): Add.
3987 (TARGET_ASM_UNALIGNED_SI_OP): Add.
3989 2005-07-27 Steven Bosscher <stevenb@suse.de>
3992 * varasm.c (assemble_start_function): Don't do anything that may
3993 require a CFG if the current function is a thunk.
3995 2005-07-25 Geoffrey Keating <geoffk@apple.com>
3997 * doc/install.texi (Prerequisites): Mention that perl is needed
3998 to do export control in libstdc++ targetting Darwin.
4000 2005-07-27 Steven Bosscher <stevenb@suse.de>
4002 PR rtl-optimization/17808
4003 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
4004 (sched_insns_conditions_mutex_p): Split out from...
4005 (add_dependence): ...here. But don't call it from here.
4006 (add_dependence_list): Check sched_insns_conditions_mutex_p
4007 before calling add_dependence.
4008 (add_dependence_list_and_free): Likewise.
4009 (fixup_sched_groups): Likewise.
4010 (sched_analyze_1): Likewise.
4011 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
4012 (sched_analyze): Likewise.
4013 (sched_analyze_insn): Likewise.
4014 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
4015 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
4016 dependencies on all COND_EXEC insns to jumps ending basic blocks
4017 when doing intrablock scheduling.
4018 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
4020 2005-07-27 Jeff Law <law@redhat.com>
4022 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
4023 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
4024 equivalency sets, correctly handle the case were vr0 has an
4025 equivalency set, but vr1 does not.
4027 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
4029 PR tree-optimization/23073
4030 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
4031 vect_print_dump_info before fprintf.
4033 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4035 PR tree-optimize/22348
4036 * tree-ssa-loop-niter.c (number_of_iterations_cond):
4037 Fold the partial computation.
4039 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4041 PR tree-optimization/22325
4042 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
4044 * tree-scalar-evolution.c (scev_const_prop): Add generic final
4046 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
4047 (force_var_cost): ... this function.
4048 (compute_phi_arg_on_exit): Export.
4050 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4052 PR tree-optimization/20773
4053 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
4056 2005-07-27 Richard Guenther <rguenther@suse.de>
4058 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
4059 Avoid pushing again if current struct contains only
4060 fields we decomposed.
4062 2005-07-27 Jan Hubicka <jh@suse.cz>
4064 PR tree-optimization/22574
4065 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
4068 * tree-tailcall.c (decrease_profile): New function.
4069 (eliminate_tail_call): Use it.
4071 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
4072 visibility flags correctly in whole program mode.
4074 2005-07-26 Steve Ellcey <sje@cup.hp.com>
4076 PR rtl-optimization/22472
4077 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
4079 2005-07-26 Steven Bosscher <stevenb@suse.de>
4081 PR tree-optimization/22504
4082 * tree-complex.c (expand_complex_addition): Use 'code' instead
4083 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
4085 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4087 * config.gcc (cpu_type): Add frv case.
4088 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
4089 (supported_defaults): Add fr550 case.
4091 2005-07-26 Diego Novillo <dnovillo@redhat.com>
4094 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
4095 whether a pointer of type T * may point to objects of type T *.
4097 2005-07-26 DJ Delorie <dj@redhat.com>
4099 * configure: Regenerate.
4101 2005-07-26 Dale Johannesen <dalej@apple.com>
4103 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
4105 2005-07-26 Mark Mitchell <mark@codesourcery.com>
4107 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
4108 Clarify use of "build" in name.
4110 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4112 * doc/extend.texi (Raw read/write Functions): New section.
4113 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
4114 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
4115 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
4116 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
4117 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
4118 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
4119 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
4120 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
4121 * config/frv/frv.c: Add bdesc_loads global.
4122 Add bdesc_stores global.
4123 (frv_init_builtins): Add support for __builtin_{read/write}*.
4124 (frv_volatile_memref): New.
4125 (frv_expand_load_builtin): New.
4126 (frv_expand_store_builtin): New.
4127 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
4128 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
4129 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
4130 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
4131 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
4132 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
4133 (builtin_read_<mode>): New.
4134 (builtin_write_<mode>): New.
4135 (builtin_write64): New.
4136 (optional_membar_<mode>): New.
4138 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
4140 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
4141 (rather than units) against HOST_BITS_PER_WIDE_INT.
4143 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
4145 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
4146 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
4147 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
4148 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
4151 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
4152 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
4153 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
4155 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
4157 2005-07-26 Richard Guenther <rguenther@suse.de>
4159 PR tree-optimization/22486
4160 * fold-const.c (fold_unary): Fold away useless component
4161 references of the form (T *)&T.x, if the address
4164 2005-07-25 James E Wilson <wilson@specifixinc.com>
4166 * dwarf2out.c (add_call_src_coords_attributes): New.
4167 (gen_inlined_subroutine_die): Call it.
4168 (maybe_emit_file, init_file_table): Add comments.
4169 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
4171 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
4172 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
4173 * tree.h (BLOCK_SOURCE_LOCATION): New.
4174 (struct tree_block): New field locus.
4176 2005-07-26 Andreas Schwab <schwab@suse.de>
4178 PR rtl-optimization/23043
4179 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
4180 when allocating a struct unoccr.
4182 2005-07-25 Richard Henderson <rth@redhat.com>
4185 * tree-complex.c (gate_no_optimization): True if errors.
4186 * Makefile.in (tree-complex.o): Update dependencies.
4188 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
4190 * config/frv/predicates.md (integer_register_operand): Use
4193 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4196 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
4198 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
4200 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4202 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
4203 types when flag_unsafe_math_optimizations is true.
4205 2005-07-25 Mark Mitchell <mark@codesourcery.com>
4207 * gcc.c (option_map): Add --sysroot.
4208 (process_command): Handle --sysroot.
4209 (display_help): Document it.
4210 * doc/cppopts.tex (-isysroot): Document.
4211 * doc/invoke.texi (--sysroot): Document.
4212 * doc/install.texi (--with-build-sysroot): Document.
4214 * Makefile.in (inhibit_libc): New variable.
4215 (INHIBIT_LIBC_CFLAGS): Likewise.
4216 (LIBGCC2_CFLAGS): Include
4217 $(INHIBIT_LIBC_CFLAGS).
4218 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
4219 ($(T)crtbegin.o): Do not use @inhibit_libc@.
4220 ($(T)crtend.o): Likewise.
4221 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
4222 ($(T)crtendS.o): Likewise.
4223 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
4224 ($(T)crtendT.o): Likewise.
4225 (stmp-fixinc): Do not complain about missing headers if
4227 * configure.ac (inhibit_libc): Set it to true/false.
4228 (--with-build-sysroot): New option. Use it to set
4230 * configure: Regenerated.
4232 2005-07-25 Manfred Hollstein <mh@suse.com>
4234 * calls.c (store_one_arg): Fix unsigned comparison warning.
4236 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4239 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
4240 (ggc_print_statistics): Initialize variable before use.
4242 2005-07-25 Richard Guenther <rguenther@suse.de>
4244 * tree-dfa.c (mark_new_vars_to_rename): Protect against
4245 calling with a PHI_NODE argument.
4247 * tree-flow-inline.h (overlap_subvar): Protect against
4250 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
4252 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
4253 * configure: Regenerate.
4255 2005-07-25 Ira Rosen <irar@il.ibm.com>
4257 * expr.c (highest_pow2_factor): Make extern.
4258 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
4259 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
4260 record_array_differ_p, array_ptr_differ_p): Likewise.
4261 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
4262 additional cases. Call the above functions.
4263 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
4264 base_object_differ_p when there are two base objects. Otherwise, compare
4265 base address and offset. Call may_alias_p.
4266 (dump_data_reference): Use a correct field name.
4267 (analyze_array): Make static. Initialize new data-ref fields.
4268 (analyze_indirect_ref): New function.
4269 (init_data_ref): Initialize new data-ref fields.
4270 (strip_conversion): Moved from tree-vect-analyze.c.
4271 (analyze_offset_expr, get_ptr_offset, address_analysis,
4272 object_analysis): Likewise.
4273 (analyze_offset): New function.
4274 (create_data_ref): Likewise.
4275 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
4276 dimensions for ARRAY_REFs only.
4277 (build_classic_dist_vector): Make static.
4278 (access_functions_are_affine_or_constant_p): Call macro to get the
4279 address of access functions.
4280 (compute_all_dependences): Add new parameter
4281 compute_self_and_read_read_dependences. Compute self and read-read
4282 dependences if it is true.
4283 (find_data_references_in_loop): Call create_data_ref. Initialize new
4285 (compute_data_dependences_for_loop): Add new parameter
4286 compute_self_and_read_read_dependences. Remove parameter nb_loops,
4287 compute nb_loops. Call compute_all_dependences,
4288 build_classic_dist_vector and build_classic_dir_vector with correct
4290 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
4291 with correct parameters. Compare dimensions for ARRAY_REFs only.
4292 (free_data_refs): Call macro to free access functions.
4293 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
4294 fields from stmt_vinfo.
4295 (struct base_object_info): New structure.
4296 (struct data_reference): Move fields to base_object_info. Add fields
4297 first_location and object_info for above structures. Move fields from
4298 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
4299 aligned_to. Add macros to access the new fields.
4300 Update functions declarations.
4301 * tree-flow.h (is_aliased_with): Declare.
4302 * tree-loop-linear.c (linear_transform_loops): Call
4303 compute_data_dependences_for_loop with correct parameters.
4304 * tree-ssa-alias.c (is_aliased_with): New function.
4305 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
4306 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
4307 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
4308 vect_base_addr_differ_p, compute_subscript_distance and
4309 build_classic_dist_vector. Add printings. Check absolute value of
4311 (vect_analyze_data_ref_dependences): Go through ddrs instead of
4313 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
4314 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
4315 to bytes. Add printing.
4316 (vect_compute_data_refs_alignment): Go through loads and stores in one
4318 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
4319 vect_analyze_data_ref_access): Likewise.
4320 (vect_analyze_pointer_ref_access): Remove.
4321 (vect_address_analysis, vect_object_analysis): Likewise.
4322 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
4323 and analyze data-refs in the loop.
4324 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
4325 fields of data-ref instead of stmt. Add init to the offset from the
4327 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
4328 (vect_update_init_of_dr): Likewise.
4329 (vect_update_inits_of_drs): Go through loads and stores in one loop.
4330 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
4332 (new_loop_vec_info): Initialize new fields.
4333 (destroy_loop_vec_info): Free new fields.
4334 (vect_strip_conversion): Remove.
4335 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
4336 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
4337 datarefs. Add new field ddrs.
4338 Add macros for the new fields access.
4339 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
4340 base_aligned_p, misalignment, memtag, ptr_info and subvars.
4341 Remove their macros.
4342 * tree.h (highest_pow2_factor): Declare.
4344 2005-07-25 Jakub Jelinek <jakub@redhat.com>
4346 * calls.c (store_one_arg): Check for sibling call MEM arguments
4347 from already clobbered incoming argument area.
4349 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4351 * c-common.c (check_missing_format_attribute): New.
4352 * c-common.h (check_missing_format_attribute): Likewise.
4353 * c-typeck.c (convert_for_assignment): Use it.
4355 2005-07-24 Andreas Schwab <schwab@suse.de>
4357 * config/m68k/m68k.md ("extendqidi2"): When source is an address
4358 register use a word move. Correct operand of ext.w in 68000 code.
4360 2005-07-23 Mark Mitchell <mark@codesourcery.com>
4362 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
4363 variables as declarations, rather than definitions.
4365 2005-07-24 Ira Rosen <irar@il.ibm.com>
4367 PR tree-optimization/22526
4368 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
4371 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4373 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
4374 that C99 reserve for future use. Use it to define clog10,
4375 clog10f and clog10l.
4377 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4379 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
4380 * configure.ac: Check for -Wmissing-format-attribute.
4382 * configure: Regenerate.
4384 2005-07-23 Richard Henderson <rth@redhat.com>
4386 PR tree-optimization/22623
4387 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
4389 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
4392 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
4394 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4396 * Makefile.in (C_TREE_H): Update dependencies.
4397 * c-tree.h: Include toplev.h.
4398 * diagnostic.h (diagnostic_set_info): Add format attribute.
4399 * rtl-error.c (diagnostic_for_asm): Likewise.
4401 2005-07-23 Chao-ying Fu <fu@mips.com>
4403 * config/mips/mips-dsp.md: New file.
4404 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
4405 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
4407 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
4408 MIPS_BUILTIN_BPOSGE32.
4409 (mips_expand_builtin_direct): Add one parameter to indicate that
4410 builtin functions need to return a value.
4411 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
4413 (mips_regno_to_class): Add classes for 12 new DSP registers.
4414 (mips_subword): Change to check four HI registers.
4415 (mips_output_move): Output move to and from 6 new DSP accumulators.
4416 (override_options): Make sure -mdsp and -mips16 are not used together.
4417 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
4419 (mips_conditional_register_usage): Disable 6 new DSP accumulators
4421 (print_operand): Add 'q' for printing DSP accumulators.
4422 (mips_cannot_change_mode_class): Check ACC_REGS.
4423 (mips_secondary_reload_class): Check ACC_REGS.
4424 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
4425 (mips_register_move_cost): Check ACC_REGS.
4426 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
4427 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
4428 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
4429 (dsp_bdesc): New array.
4430 (bdesc_arrays): Add DSP builtin function table.
4431 (mips_prepare_builtin_arg): Check predicate again after
4433 (mips_expand_builtin): Add one more parameter to
4434 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
4435 MIPS_BUILTIN_BPOSGE32.
4436 (mips_init_builtins): Initialize new function types.
4437 (mips_expand_builtin_direct): Check if builtin functions need to
4438 return a value and pass operands properly.
4439 (mips_expand_builtin_bposge): New function.
4440 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
4441 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
4442 (FIRST_PSEUDO_REGISTER): Increase to 188.
4443 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4444 Update for 12 new DSP registers.
4445 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
4446 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
4447 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
4448 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
4449 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
4450 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
4451 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
4452 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
4453 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
4454 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
4455 (REGISTER_NAMES): Add names for 12 new DSP registers.
4456 * config/mips/mips.md: Include mips-dsp.md.
4457 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
4458 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
4459 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
4460 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
4461 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
4462 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
4463 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
4464 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
4465 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
4466 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
4467 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
4468 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
4469 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
4470 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
4471 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
4472 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
4473 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
4474 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
4475 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
4476 (UNSPEC_RDDSP): New constants.
4477 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
4478 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
4480 * config/mips/mips.opt (-mdsp): New option.
4481 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
4482 (reg_imm10_operand): New predicates.
4483 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
4484 * doc/invoke.texi (-mdsp): Document new option.
4486 2005-07-22 DJ Delorie <dj@redhat.com>
4488 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
4490 * tree-inline.c (inlinable_function_p): Likewise.
4492 2005-07-22 Mark Mitchell <mark@codesourcery.com>
4495 * toplev.c (check_global_declarations): Do not mark undefined
4496 variables as DECL_IGNORED_P.
4497 * varasm.c (first_global_object_name): GTY it.
4498 (weak_global_object_name): Likewise.
4499 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
4500 a string to go into {weak,first}_global_object_name.
4502 2005-07-22 DJ Delorie <dj@redhat.com>
4504 * c-format.c (check_function_format): Change warning control
4505 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
4507 2005-07-22 Diego Novillo <dnovillo@redhat.com>
4509 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
4510 &PTR->FLD a dereference of PTR.
4511 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
4512 a potential dereference of PTR.
4514 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
4516 PR rtl-optimization/20370
4517 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
4518 call allocate_reg_info if necessary.
4520 PR rtl-optimization/21848
4521 * calls.c (emit_library_call_value_1): For const functions, add
4522 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
4524 PR rtl-optimization/22445
4525 * cselib.c (target.h): Include.
4526 (rtx_equal_for_cselib_p): Allow commutative matches.
4527 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
4528 Remove MODE parameter. Changed all callers.
4530 PR rtl-optimization/22258
4531 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
4533 (try_combine): Use likely_spilled_retval_p.
4535 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
4537 * config.gcc: Add crx-elf support.
4539 * doc/contrib.texi: Mention crx.
4540 * doc/extend.texi: Document crx extensions.
4541 * doc/install.texi: Document crx install.
4542 * doc/invoke.texi: Document crx options.
4543 * doc/md.texi: Document crx constraints.
4545 * config/crx/crx-protos.h: New file.
4546 * config/crx/crx.c: New file.
4547 * config/crx/crx.h: New file.
4548 * config/crx/crx.md: New file.
4549 * config/crx/crx.opt: New file.
4550 * config/crx/t-crx: New file.
4552 2005-07-22 Manfred Hollstein <mh@suse.com>
4554 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
4556 (int_add_graph_edge): Likewise.
4557 (collapse_nodes): Likewise.
4558 (process_unification_queue): Likewise.
4560 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4561 Laurent GUERBY <laurent@guerby.net>
4563 PR tree-optimization/22336
4564 * function.c (record_block_change): Check for
4565 cfun->ib_boundaries_block.
4567 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
4569 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
4570 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
4572 2005-07-21 DJ Delorie <dj@redhat.com>
4574 * toplev.c (warn_deprecated_use): Add warning control to warning
4576 * c-typeck.c (parser_build_binary_op): Likewise.
4577 (c_finish_if_stmt): Likewise.
4578 * c-common.c (check_function_sentinel): Likewise.
4579 (check_nonnull_arg): Likewise.
4581 2005-07-21 Richard Henderson <rth@redhat.com>
4584 * tree-complex.c (complex_ssa_name_components): New.
4585 (cvc_lookup): Allow entry not found.
4586 (create_components): Remove.
4587 (create_one_component_var, get_component_var): New.
4588 (get_component_ssa_name, set_component_ssa_name): New.
4589 (extract_component): Use get_component_ssa_name.
4590 (update_complex_components): Use set_component_ssa_name.
4591 (update_complex_components_on_edge): Likewise.
4592 (update_phi_components): Create new PHI nodes directly, instead
4593 of adding insns to edges.
4594 (tree_lower_complex): Allocate and free complex_variable_components
4595 and complex_ssa_name_components here.
4597 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
4599 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
4600 revert to returning false.
4602 2005-07-21 Uros Bizjak <uros@kss-loka.si>
4605 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
4607 2005-07-21 Uros Bizjak <uros@kss-loka.si>
4610 * config/i386/i386.md (cmpxf): Change operand constraints
4611 to "nonmemory_operand".
4613 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4615 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
4617 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4620 * fold-const.c (fold_build1): Add checksum for the operands.
4621 (fold_build2): Likewise.
4622 (fold_build3): Likewise.
4624 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4627 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
4629 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
4631 * common.opt (-fforward-propagate): Committed by mistake,
4634 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4636 * reg-stack.c: Fix comment typo(s).
4637 * tree-ssa-operands.c: Likewise.
4638 * tree-vectorizer: Likewise.
4640 2005-07-21 Nick Clifton <nickc@redhat.com>
4642 * config/sh/symbian.c: Replace C++ style line comments with C
4643 style line comments.
4644 (symbian_add_attribute): Do not use a ? operator on the LHS of
4646 (sh_symbian_handle_dll_attribute): Change the type of the
4647 method vector to "VEC(tree,gc)*" and use vector accessor
4648 macros to walk over the elements.
4649 (symbian_export_vtable_and_rtti_p): Likewise.
4650 (symbian_class_needs_attribute_p): Likewise.
4652 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
4655 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
4656 initialize targetm.resolve_overloaded_builtin here.
4657 (altivec_expand_overloaded_builtin): Make it non-static.
4658 * config/rs6000/rs6000-protos.h
4659 (altivec_expand_overloaded_builtin): New prototype.
4660 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
4661 targetm.resolve_overloaded_builtin here.
4662 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
4664 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
4665 Zdenek Dvorak <dvorakz@suse.cz>
4667 PR tree-optimization/19210
4668 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
4670 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
4671 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
4672 rely on unproven assumptions.
4673 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
4674 * tree-flow.h (number_of_iterations_exit): Add final parameter.
4675 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
4676 to number_of_iterations_exit.
4677 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
4678 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
4679 * tree-ssa-loop-niter.c (find_loop_niter,
4680 estimate_numbers_of_iterations_loop): Likewise.
4681 (number_of_iterations_exit): Honor the new options.
4682 * doc/invoke.texi (Wunsafe-loop-optimizations,
4683 funsafe-loop-optimizations): Document them.
4685 2005-07-21 Richard Sandiford <richard@codesourcery.com>
4687 PR rtl-optimization/22167
4688 * gcse.c (hoist_code): Fix hoist_exprs[] check.
4690 2005-07-20 Adam Nemet <anemet@lnxw.com>
4692 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
4693 __do_global_dtors_aux longcall.
4695 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
4697 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
4698 (old_special_pred_table): Don't reference
4699 SPECIAL_MODE_PREDICATES.
4700 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
4701 * config/arc/arc.h: Don't mention PREDICATE_CODES.
4702 * config/sh/predicates.h: Don't mention
4703 SPECIAL_MODE_PREDICATES.
4704 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
4707 2005-07-20 DJ Delorie <dj@redhat.com>
4709 * config.gcc: Add m32c-elf support.
4711 * doc/contrib.texi: Mention m32c.
4712 * doc/extend.texi: Document m32c extensions.
4713 * doc/install.texi: Mention m32c.
4714 * doc/invoke.texi: Document m32c options.
4715 * doc/md.texi: Document m32c constraints.
4717 * config/m32c/addsub.md: New file.
4718 * config/m32c/bitops.md: New file.
4719 * config/m32c/cond.md: New file.
4720 * config/m32c/jump.md: New file.
4721 * config/m32c/m32c-lib1.S: New file.
4722 * config/m32c/m32c-lib2.c: New file.
4723 * config/m32c/m32c-modes.def: New file.
4724 * config/m32c/m32c-pragma.c: New file.
4725 * config/m32c/m32c-protos.h: New file.
4726 * config/m32c/m32c.abi: New file.
4727 * config/m32c/m32c.c: New file.
4728 * config/m32c/m32c.h: New file.
4729 * config/m32c/m32c.md: New file.
4730 * config/m32c/m32c.opt: New file.
4731 * config/m32c/minmax.md: New file.
4732 * config/m32c/mov.md: New file.
4733 * config/m32c/muldiv.md: New file.
4734 * config/m32c/predicates.md: New file.
4735 * config/m32c/prologue.md: New file.
4736 * config/m32c/shift.md: New file.
4737 * config/m32c/t-m32c: New file.
4739 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
4741 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4742 (stack_protect_set, stack_protect_test): New expanders.
4743 (stack_protect_set_si, stack_protect_set_si_media,
4744 stack_protect_set_di_media, stack_protect_test_si,
4745 stack_protect_test_si_media, stack_protect_test_di_media):
4748 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
4750 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
4752 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
4754 * tree.h (tree_expr_nonzero_p): Export.
4755 * fold-const.c (tree_expr_nonzero_p): Likewise.
4756 Return true for CALL_EXPRs that are alloca calls.
4757 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
4759 * tree-flow.h (expr_computes_nonzero): Remove.
4760 * tree-vrp.c (expr_computes_nonzero): Remove.
4761 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
4762 (extract_range_from_unary_expr): Likewise.
4763 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
4764 tree_expr_nonzero_p.
4766 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
4768 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
4769 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
4770 extra arg "picreg" and use it instead of pic_offset_table_rtx.
4771 All callers changed.
4772 (frame_related_constant_load): New arg "related" which controls
4773 setting of RTX_FRAME_RELATED_P. All callers changed.
4774 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
4775 (bfin_expand_prologue): Add stack limit checking.
4776 * config/bfin/bfin.md (trapifcc): New pattern.
4778 * config/bfin/bfin.c: Include "langhooks.h".
4779 (def_builtin): Go through lang_hooks to call builtin_function.
4781 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
4782 * config/bfin/predicates.md (symbol_ref_operand): New.
4783 (call_insn_operand): Delete. All callers changed to use
4784 register_no_elim_operand.
4785 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
4787 (function_arg): Use it to generate the call's operand 2.
4788 (bfin_longcall_p): New function.
4789 (bfin_expand_call): Extra arg "cookie". All callers and declaration
4790 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
4791 determine if the address needs to be in a REG.
4792 (bfin_handle_longcall_attribute): New function.
4793 (bfin_attribute_table): Add "longcall" and "shortcall".
4794 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
4795 (CUMULATIVE_ARGS): New member call_cookie.
4796 (PREDICATE_CODES): Add symbol_ref_operand.
4797 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
4798 extra USE to the pattern.
4799 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
4800 New patterns, split off call_insn, sibcall_insn, call_value_insn and
4801 sibcall_value_insn; now the new patterns handle direct calls and the
4802 old ones indirect calls.
4803 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
4805 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
4807 * doc/trouble.texi: Update section on handling of empty loops.
4809 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
4811 * config.gcc: Remove support for sparc-*-openbsd*,
4812 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
4814 * config.host: Remove support for i860-*-sysv4* as a host.
4815 * config/i860/*, config/ip2k/*, config/ns32k/*,
4816 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
4817 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
4818 mention obsolete ports.
4820 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
4822 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
4824 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
4825 of frame_pointer_rtx.
4826 (sh_expand_epilogue): Likewise.
4827 (sh_set_return_address): Likewise.
4828 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
4829 instead of FRAME_POINTER_REGNUM if needed. Add elimination
4830 offsets from FRAME_POINTER_REGNUM.
4831 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
4832 (sh_register_names): Add initializer for sfp.
4833 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
4834 (VALID_REGISTER_P): Likewise.
4835 (FIRST_PSEUDO_REGISTER): Update.
4836 (DWARF_FRAME_REGISTERS): Define.
4837 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
4838 (HARD_FRAME_POINTER_REGNUM): Define.
4839 (FRAME_POINTER_REGNUM): Redefine.
4840 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
4841 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
4842 from FRAME_POINTER_REGNUM.
4843 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
4844 FRAME_POINTER_REGNUM.
4845 (REG_CLASS_CONTENTS): Add sfp.
4846 (REG_ALLOC_ORDER): Likewise.
4847 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
4848 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
4849 of frame_pointer_rtx.
4850 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
4852 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
4854 * fold-const.c (tree_expr_nonnegative_p): Only return true for
4855 ABS_EXPR when flag_wrapv is false because of INT_MIN.
4856 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
4858 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
4861 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
4863 Make CONSTRUCTOR use VEC to store initializers.
4864 * c-common.c (complete_array_type): Update to cope with VEC in
4866 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
4867 (pp_c_constructor_elts): New function.
4868 * c-pretty-print.h (pp_c_constructor_elts): Declare.
4869 * c-typeck.c (build_function_call, build_c_cast, digest_init,
4870 struct constructor_stack, struct initializer_stack,
4871 constructor_elements, push_init_level, pop_init_level,
4872 add_pending_init, find_init_member, output_init_element): Update to
4873 cope with VEC in CONSTRUCTOR_ELTS.
4874 * coverage.c (build_fn_info_value, build_ctr_info_value,
4875 build_gcov_info): Likewise.
4876 * expr.c (categorize_ctor_elements_1, store_constructor,
4877 expand_expr_real_1): Likewise.
4878 * fold-const.c (fold_ternary): Likewise.
4879 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
4880 gimplify_init_constructor, gimplify_expr): Likewise.
4881 * tree-dump.c (dequeue_and_dump): Likewise.
4882 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
4884 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
4886 * tree-sra.c (generate_element_init_1): Likewise.
4887 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
4888 * tree-ssa-operands.c (get_expr_operands): Likewise.
4889 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
4890 * tree-vect-transform.c (vect_get_vec_def_for_operand):
4891 (get_initial_def_for_reduction): Likewise.
4892 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
4893 value handle in annotations.
4894 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
4895 tree_node_structure): Add support for constr_kind.
4896 (build_vector_from_ctor, build_constructor_single,
4897 build_constructor_from_list): New functions.
4898 (build_constructor): Update to take a VEC instead of a TREE_LIST.
4899 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
4900 Update to cope with VEC in CONSTRUCTOR_ELTS.
4901 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
4902 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
4903 CONSTRUCTOR_APPEND_ELT): New macros.
4904 (struct constructor_elt, struct tree_constructor): New data types.
4905 (union tree_node): Add tree_constructor field.
4906 * treestruct.def: Define TS_CONSTRUCTOR.
4907 * varasm.c (const_hash_1, compare_constant, copy_constant,
4908 compute_reloc_for_constant, output_addressed_constants,
4909 initializer_constant_valid_p, output_constant,
4910 array_size_for_constructor, output_constructor): Update to cope with
4911 VEC in CONSTRUCTOR_ELTS.
4912 * vec.h (VEC_empty, VEC_copy): New macros.
4914 2005-07-19 Devang Patel <dpatel@apple.com>
4916 * dbxout.c (dbxout_type): Check Objective-C++ lang.
4918 2005-07-19 Richard Henderson <rth@redhat.com>
4921 * gimplify.c (gimplify_expr): Use main variant type for the temp
4922 destination for a discarded volatile read.
4923 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
4924 casts between non-void types that change volatility.
4926 2005-07-15 DJ Delorie <dj@redhat.com>
4928 * toplev.h: Add comment about the first parameter for warning().
4929 * errors.h: Likewise.
4931 * c.opt (Wpragmas): New.
4932 * doc/invoke.texi: Document it.
4934 * function.c (do_warn_unused_parameter): Add warning control to
4936 * c-decl.c (warn_if_shadowing): Likewise.
4937 * c-lex.c (cb_def_pragma): Likewise.
4938 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
4939 (pop_alignment): Likewise.
4940 (handle_pragma_pack): Likewise.
4941 (apply_pragma_weak): Likewise.
4942 (handle_pragma_weak): Likewise.
4943 (handle_pragma_redefine_extname): Likewise.
4944 (add_to_renaming_pragma_list): Likewise.
4945 (handle_pragma_extern_prefix): Likewise.
4946 (maybe_apply_renaming_pragma): Likewise.
4947 (handle_pragma_visibility): Likewise.
4949 * config/c4x/c4x-c.c (BAD): Likewise.
4950 (c4x_parse_pragma): Likewise.
4951 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
4952 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
4953 (rs6000_pragma_longcall): Likewise.
4954 * config/v850/v850-c.c (pop_data_area): Likewise.
4955 (ghs_pragma_section): Likewise.
4956 (ghs_pragma_section): Likewise.
4957 (ghs_pragma_interrupt): Likewise.
4958 (ghs_pragma_starttda): Likewise.
4959 (ghs_pragma_startsda): Likewise.
4960 (ghs_pragma_startzda): Likewise.
4961 (ghs_pragma_endtda): Likewise.
4962 (ghs_pragma_endsda): Likewise.
4963 (ghs_pragma_endzda): Likewise.
4965 2005-07-19 Danny Berlin <dberlin@dberlin.org>
4966 Kenneth Zadeck <zadeck@naturalbridge.com>
4968 * Makefile.in: Removed tree-promote-statics.c
4969 * tree-promote-statics.c: Removed.
4970 * common.opt: Removed flag-promote-statics.
4972 * passes.c: Removed tree-promote-statics pass.
4973 * tree-pass.h: Ditto.
4974 * timevar.def: Removed TV_PROMOTE_STATICS.
4977 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
4979 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
4981 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
4983 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4986 * c-common.c (check_function_arguments): Call
4987 'check_function_format' if either -Wformat or
4988 -Wmissing-format-attribute are specified.
4989 * c-format.c (check_function_format): Check -Wformat before
4990 calling 'check_format_info'.
4991 * c-opts.c (c_common_post_options): Don't warn for
4992 -Wmissing-format-attribute without -Wformat.
4993 * c-typeck.c (convert_for_assignment): Detect additional cases for
4994 -Wmissing-format-attribute.
4995 * doc/invoke.texi (-Wmissing-format-attribute): Document new
4998 2005-07-19 Richard Guenther <rguenther@suse.de>
5000 * config/i386/i386.md (lrint<mode>2): Use temporary
5001 instead of clobbering non-existent memory.
5003 2005-07-19 Nick Clifton <nickc@redhat.com>
5005 * config/avr/avr.c (legitimate_address_p): Fix debugging print
5006 statement to avoid displaying ASCII control characters.
5008 2005-07-19 Ben Elliston <bje@au.ibm.com>
5010 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
5011 * cfganal.c (find_edge_index): Ditto.
5012 * combine.c (combine_instructions): Ditto.
5013 * ddg.c (create_scc): Ditto.
5014 (find_successors): Ditto.
5015 (find_predecessors): Ditto.
5016 (find_nodes_on_paths): Ditto.
5017 (longest_simple_path): Ditto.
5018 * flow.c (update_life_info): Ditto.
5019 (count_or_remove_death_notes): Ditto.
5020 (clear_log_links): Ditto.
5021 * modulo-sched.c (generate_reg_moves): Ditto.
5022 (find_max_asap): Ditto.
5023 (find_max_hv_min_mob): Ditto.
5024 (find_max_dv_min_mob): Ditto.
5025 * sbitmap.c (sbitmap_first_set_bit): Ditto.
5026 * sched-rgn.c (extract_edgelst): Ditto.
5027 * tree-into-ssa.c (prepare_names_to_update): Ditto.
5028 (dump_update_ssa): Ditto.
5029 (ssa_names_to_replace) Ditto.
5030 (switch_virtuals_to_full_rewrite): Ditto.
5031 (update_ssa): Ditto.
5032 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5034 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
5036 Fix PR tree-optimization/22483
5038 * tree-complex.c (create_components): Use
5039 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
5040 * tree-flow-inline.h (fill_referenced_var_vec): New function.
5041 * tree-flow.h (safe_referenced_var_iterator): New structure.
5042 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
5043 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
5044 safe_referenced_var iterator.
5045 (add_type_alias): Ditto.
5047 2005-07-19 Steven Bosscher <stevenb@suse.de>
5049 * loop-init.c (rest_of_handle_loop2): Remove.
5050 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
5051 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
5052 (pass_rtl_loop_init, pass_rtl_loop_done,
5053 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
5054 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
5055 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
5056 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
5057 pass_tree_loop_done, and pass_tree_unswitch.
5058 (gate_loop): Rename to gate_tree_loop.
5059 * passes.c (init_optimization_passes): Update for renamed tree
5060 loop passes. Add the new loop2 passes as subpasses of loop2.
5061 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
5062 Update for the renamed tree loop passes.
5064 2005-07-18 Ian Lance Taylor <ian@airs.com>
5067 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
5068 blocks when optimizing.
5070 2005-07-18 Steve Ellcey <sje@cup.hp.com>
5072 * common.opt (frename-registers): Initialize to 2.
5074 (fgcse-after-reload): Ditto.
5075 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
5076 (process_options): Only change flag_web, flag_rename_registers,
5077 and flag_rerun_cse_after_loop if not explicitly set by user.
5079 2005-07-18 Jan Beulich <jbeulich@novell.com>
5081 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
5082 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
5083 in 64-bit mode the same as DImode in 32-bit mode.
5084 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
5085 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
5086 mode. Add new mode parameter.
5087 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
5088 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
5089 x86_64_shift_adj): New expanders.
5090 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
5091 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
5093 Respective new splitters. Use renamed shift splitter helpers in 32-bit
5094 DImode shift splitters.
5095 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
5096 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
5099 2005-07-18 Jan Beulich <jbeulich@novell.com>
5101 * i386.md (movdi_extzv_1): New.
5102 (zero_extendhidi2): Combine alternatives and never force use of
5104 (zero_extendqidi2): Likewise. Don't restrict input selection.
5106 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5108 Fix PR tree-optimization/22531
5109 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
5112 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5114 * tree-promote-statics.c (pass_promote_statics): Change dump file
5117 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5119 * tree-optimize.c (init_tree_optimization_passes): Add
5120 pass_eliminate_useless_stores pass.
5121 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
5122 * tree-ssa-pre.c (is_copy_stmt): New function.
5123 (follow_copies_till_vuse): Ditto.
5124 (do_eustores): Ditto.
5125 (gate_eustores): Ditto.
5127 2005-07-16 Richard Henderson <rth@redhat.com>
5129 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
5131 2005-07-16 Danny Berlin <dberlin@dberlin.org>
5132 Kenneth Zadeck <zadeck@naturalbridge.com>
5134 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
5135 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
5136 ipa-type-escape.h, tree-promote-statics.c
5137 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
5138 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
5139 tree-promote-statics.c: new files.
5140 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
5141 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
5142 int nonlocal_set_p, mark_constant_function): Deleted.
5143 (rest_of_handle_cfg): Removed call to mark_constant_function.
5144 (nonoverlapping_component_refs_p): Added calls to support
5145 type based aliasing.
5146 * tree-ssa-alias.c (may_alias_p,
5147 compute_flow_insensitive_aliasing): Ditto.
5148 * calls.c (flags_from_decl_or_type): Removed reference to
5150 * c-typeck.c (convert_arguments): Make builtins tolerant of having
5151 too many arguments. This is necessary for Spec 2000.
5152 * cgraph.h (const_function, pure_function): Removed.
5153 * common.opt: Added "fipa-pure-const", "fipa-reference",
5154 "fipa-type-escape", and "ftree-promote-static".
5156 * passes.c: Added ipa and tree-promote-statics passes.
5157 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
5158 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
5159 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
5160 * tree-flow.h: Added exposed sra calls and addition of
5161 reference_vars_info field for FUNCTION_DECLS.
5162 * tree-pass.h: Added passes.
5163 * tree-sra.c: (sra_init_cache): New function.
5164 (sra_insert_before, sra_insert_after) Made public.
5165 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
5167 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
5168 aliasing. (may_alias_p): Added code to use type escape analysis to
5170 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
5171 code to prune clobbers of static variables based on information
5172 produced in ipa-reference pass. Changed call clobbering so that
5173 statics are not marked as clobbered if the call does not clobber
5176 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
5178 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
5181 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5183 * doc/install.texi (*-*-solaris2*): Document recommended version
5184 of GNU binutils and mention GNU linker problem on Solaris 10.
5186 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
5189 * c-decl.c (c_build_bitfield_integer_type): New function.
5190 (finish_struct): Call it.
5191 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
5193 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5195 * c-typeck.c (digest_init): Call 'convert_for_assignment'
5198 2005-07-16 Jan Hubicka <jh@suse.cz>
5200 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
5201 (scale_bbs_frequencies_int): Watch roundoff errors.
5202 * predict.c (return_prediction): Initialize return_stmt.
5204 2005-07-16 Jan Hubicka <jh@suse.cz>
5206 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
5207 after RTL profiling.
5209 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
5212 * fold-const.c (build_range_check): Convert high/low to etype
5213 if we are only comparing against exp.
5215 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
5217 Fix PR tree-optimization/22376
5218 * tree-ssa-structalias.c (build_constraint_graph): We really meant
5220 (need_to_solve): New function.
5221 (compute_points_to_sets): Use it.
5223 2005-07-15 Jan Hubicka <jh@suse.cz>
5225 * cfg.c (update_bb_profile_for_threading): More diagnostic.
5226 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
5228 2005-07-15 Richard Guenther <rguenther@suse.de>
5230 * c-common.c (handle_flatten_attribute): New function.
5231 Add flatten function attribute.
5232 * doc/extend.texi: Document flatten function attribute.
5233 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
5234 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
5236 (cgraph_decide_inlining): Handle functions with flatten
5239 2005-07-14 David Edelsohn <edelsohn@gnu.org>
5241 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
5242 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
5243 UNSPEC_XCHG, UNSPEC_AND): New.
5244 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
5245 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
5246 * config/rs6000/sync.md (FETCHOP): New code macro.
5247 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
5249 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
5250 (sync_compare_and_swap<mode>): Same.
5251 (sync_lock_test_and_set<mode>): Same.
5252 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
5253 for QImode and HImode, and not PPC405.
5254 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
5255 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
5256 (sync_<fetchop>{si,di}_internal): New.
5257 (sync_nand{si,di}_internal): New.
5258 (sync_old_<fetchop>{si,di}_internal): New.
5259 (sync_old_nand{si,di}_internal): New
5260 (sync_new_<fetchop>{si,di}_internal): New.
5261 (sync_new_nand{si,di}_internal): New.
5262 (atomic_and{si,di}): New.
5263 (sync_new_nand{si,di}_internal): New.
5264 (atomic_and{si,di}): New.
5265 (sync_add<mode>_internal): Delete.
5266 (sync_addshort_internal): Use unspec instead of unspec_volatile.
5267 (sync_sub<mode>_internal): Delte.
5268 (sync_subshort_internal): New.
5269 (sync_andsi_internal): Use unspec instead of unspec_volatile.
5270 (sync_anddi_internal): Delete.
5271 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
5272 (sync_booldi_internal): Delete.
5273 (sync_boolc<mode>_internal): Delete.
5274 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
5275 (sync_boolc<mode>_internal2): Delete.
5276 (sync_boolcc<mode>_internal): Delete.
5277 (isync, lwsync): Use unspec instead of unspec_volatile.
5278 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
5279 Revert UNSPEC_VOLATILE.
5280 (rs6000_split_atomic_op): New.
5281 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
5283 2005-07-14 Eric Christopher <echristo@redhat.com>
5285 * config/mips/mips.c (mips_canonicalize_comparison): Cast
5286 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
5288 2005-07-14 Eric Christopher <echristo@redhat.com>
5290 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
5292 2005-07-14 Steven Bosscher <stevenb@suse.de>
5294 PR tree-optimization/22230
5295 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
5296 the computation of the four cross productions for "range op range".
5298 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
5299 Ulrich Weigand <uweigand@de.ibm.com>
5302 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
5305 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5307 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
5309 2005-07-14 Steve Ellcey <sje@cup.hp.com>
5311 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
5313 2005-07-14 Richard Guenther <rguenther@suse.de>
5316 * config/i386/i386-protos.h (ix86_function_value): Change
5317 prototype to match new target hook.
5318 * config/i386/i386.c (ix86_value_regno): Change prototype
5319 to take extra type argument.
5320 (TARGET_FUNCTION_VALUE): Define.
5321 (ix86_function_ok_for_sibcall): Pass extra argument to
5322 ix86_value_regno, check return slot rtx for exact match.
5323 (ix86_function_value): Take extra parameter. Dispatch to
5324 ix86_value_regno with fndecl/fntype as provided.
5325 (ix86_value_regno): Handle extra type argument.
5326 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
5328 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
5329 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
5330 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
5331 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
5332 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
5334 2005-07-14 Richard Guenther <rguenther@suse.de>
5336 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
5337 * calls.c (expand_call): Pass fntype to hard_function_value.
5338 (emit_library_call_value_1): Likewise.
5339 * explow.c: Include target.h.
5340 (hard_function_value): Take extra argument, the fntype.
5341 Use new target hook for function_value.
5342 * expr.h (hard_function_value): Change prototype.
5343 * function.c (aggregate_value_p): Pass 0 as fntype to
5344 hard_function_value.
5345 (assign_parms): Use new target hook for function_value.
5346 Pass 0 as fntype to hard_function_value.
5347 (expand_function_end): Likewise.
5348 * reg-stack.c: Include target.h.
5349 (stack_result): Use new target hook for function_value.
5350 * target-def.h: New target hook function_value.
5351 * target.h: Likewise.
5352 * targhooks.c (default_function_value): New function.
5353 * targhooks.h (default_function_value): Declare.
5355 2005-07-13 Ian Lance Taylor <ian@airs.com>
5357 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5359 2005-07-14 Jan Hubicka <jh@suse.cz>
5361 * tree-dfa.c (dump_variable): Use default_def function.
5362 * tree-ssa-alias.c (dump_points_to_info): Likewise.
5363 * tree-ssa.c (verify_use): Likewise.
5364 * tree-ssanames.c (release_ssa_name): Likewise.
5365 * tree-tailcall.c (eliminate_tail_call): Likewise.
5366 (tree_optimize_tail_calls_1): Likewise.
5367 * tree-vrp.c (get_value_range): Likewise.
5369 2005-07-14 Ben Elliston <bje@au.ibm.com>
5371 * gcc.c (main): Compare language[0] with '*' when iterating over
5374 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
5376 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
5377 "s390_emit_compare". Add handling of CCZ1mode.
5378 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
5379 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
5381 (s390_branch_condition_mask): Add CCZ1mode handling.
5382 * config/s390/s390.md: ("seq", "*seq"): New pattern.
5383 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
5384 Use CCZ1mode instead of CCZmode.
5385 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
5387 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
5389 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
5391 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
5393 2005-07-13 Eric Christopher <echristo@redhat.com>
5395 * config/mips/mips.c (mips_canonicalize_comparison): New.
5396 (mips_emit_int_relational): Use.
5398 2005-07-13 Eric Christopher <echristo@redhat.com>
5400 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5402 * config/s390/s390.md: Include tpf.md. Move tpf specific
5404 * config/s390/tpf.md: To here.
5405 * config/s390/s390.opt: Move tpf specific options...
5406 * config/s390/tpf.opt: to here. Add mmain option.
5407 * config/s390/tpf-unwind.h: Remove unnecessary defines.
5408 * config/s390/tpf.h: Rewrite.
5410 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
5412 * doc/tm.texi: Remove @xref{Cross-profiling}.
5414 2005-07-13 Jeff Law <law@redhat.com>
5416 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
5417 expressions, test their _DECL operands for pointer equality rather
5418 than using operand_equal_p.
5420 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
5422 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
5423 (TARGET_POSIX_IO): This.
5424 * config/darwin.h: Likewise.
5425 * config/freebsd.h: Likewise.
5426 * config/linux.h: Likewise.
5427 * config/lynx.h: Likewise.
5428 * config/netbsd.h: Likewise.
5429 * config/rs6000/linux64.h: Likewise.
5430 * config/rs6000/linux.h: Likewise.
5431 * config/s390/tpf.h: Likewise.
5432 * config/sh/embed-elf.h: Likewise.
5433 * config/sparc/linux64.h: Likewise.
5434 * config/sparc/linux.h: Likewise.
5435 * config/svr4.h: Likewise.
5436 * gcov-io.h: Likewise.
5438 * doc/tm.texi: Updated.
5440 * libgcov.c (create_file_directory): Defined only if
5441 TARGET_POSIX_IO is defined.
5442 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
5445 2005-07-13 Jan Hubicka <jh@suse.cz>
5447 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
5449 2005-07-13 David Edelsohn <edelsohn@gnu.org>
5451 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
5452 structure as argument.
5454 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
5456 PR tree-optimization/21921
5457 * tree-iterator.c (tsi_link_before): Support the case when
5458 tsi_end_p (tsi) == true.
5460 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5462 PR tree-optimization/22442
5463 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
5466 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5468 PR rtl-optimization/20376
5469 * toplev.c (process_options): Enable -fweb and -frename-registers when
5471 * doc/invoke.texi: Update the information about when -fweb and
5472 -frename-registers are enabled.
5474 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5477 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
5478 if *rhs_p is not a SSA_NAME.
5480 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
5482 Fix PR tree-optimization/22422
5483 * tree-ssa-structalias.c (struct variable_info): Add flag for
5485 (get_varinfo): Now a static function.
5486 (new_varinfo): init has_union and is_special_var to false.
5487 (solution_set_add): Check has_union.
5488 (do_da_constraint): Move temporary variable so it gets reset
5490 Also check for special variable.
5491 (do_ds_constraint): Ditto.
5492 (do_sd_constraint): Ditto.
5493 (do_structure_copy): Check for special variable.
5494 (find_func_aliases): Ditto.
5495 (init_base_vars): Set special vars properly.
5497 2005-07-13 Jan Hubicka <jh@suse.cz>
5499 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
5502 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
5503 (get_expr_operands): Fix thinko wrt flags and subvars.
5505 PR tree-optimize/22379
5506 * tree-inline.c (expand_call_inline): Do not output sorry in early
5509 2005-07-12 Dale Johannesen <dalej@apple.com>
5511 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
5513 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5516 * host-linux.h: Include limits.h.
5518 2005-07-12 Dale Johannesen <dalej@apple.com>
5520 * expr.c (compress_float_constant): Add cost check.
5521 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
5523 2005-07-12 Dale Johannesen <dalej@apple.com>
5525 * gcc.target/i386/compress-float-sse.c: New.
5526 * gcc.target/i386/compress-float-sse-pic.c: New.
5527 * gcc.target/i386/compress-float-387.c: New.
5528 * gcc.target/i386/compress-float-387-pic.c: New.
5529 * gcc.dg/compress-float-ppc.c: New.
5530 * gcc.dg/compress-float-ppc-pic.c: New.
5532 2005-07-12 Eric Christopher <echristo@redhat.com>
5534 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5536 * config/s390/s390.md: Include tpf.md. Move tpf specific
5538 * config/s390/tpf.md: To here.
5539 * config/s390/s390.opt: Move tpf specific options...
5540 * config/s390/tpf.opt: to here. Add mmain option.
5541 * config/s390/tpf-unwind.h: Remove unnecessary defines.
5542 * config/s390/tpf.h: Rewrite.
5544 2005-07-12 Eric Christopher <echristo@redhat.com>
5546 * gcc.c (struct infile): Update comment for language.
5547 (main): Rewrite input file resetting code.
5549 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5552 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
5553 requiring a cast in a non RHS of modify_expr. Add a cast when required.
5554 (lookup_avail_expr): Use constant_boolean_node instead
5555 of boolean_false_node/boolean_true_node.
5557 2005-07-12 Ben Elliston <bje@au.ibm.com>
5559 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
5560 and use it when printing num_edges.
5562 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
5564 * doc/extend.texi (Blackfin Built-in Functions): New section.
5565 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
5568 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
5570 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
5571 s/cmpstrsi/cmpstrnsi
5572 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
5574 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
5575 (init_optabs): Initialize cmpstrn_optab.
5576 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
5577 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
5578 * expr.c: (enum insn_code cmpstrn_optab): Declare.
5579 * config/i386/i386.md: s/cmpstr/cmpstrn
5580 * config/c4x/c4x.md: s/cmpstr/cmpstrn
5581 * doc/md.texi: Update documentation.
5583 2005-07-11 Richard Henderson <rth@redhat.com>
5585 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
5586 build_va_arg_indirect_ref.
5587 (alpha_gimplify_va_arg): Likewise.
5588 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
5589 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
5590 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
5591 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
5592 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
5593 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
5595 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
5597 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5599 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
5600 * passes.c (init_optimization_passes): Add pass_empty_loop.
5601 * tree-pass.h (pass_empty_loop): Declare.
5602 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
5603 try_remove_empty_loop, remove_empty_loops): New functions.
5604 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
5605 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
5607 2005-07-12 Peter Barada <peter@the-baradas.com>
5611 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
5612 in address registers.
5613 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
5614 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
5615 alternative of addsi3_5200.
5617 2005-07-11 Ian Lance Taylor <ian@airs.com>
5619 * config/mips/mips.md (ffs<mode>2): Remove.
5621 2005-07-11 Ian Lance Taylor <ian@airs.com>
5623 * doc/tree-ssa.texi (Cleanups): Improve description of
5625 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
5627 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
5629 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
5630 * tree.h (DECL_ARGUMENT_FLD): New macro.
5632 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
5634 Fix PR tree-optimization/22404
5636 * tree-ssa-structalias.c (create_variable_info_for): Use
5639 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
5641 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
5642 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
5643 for second comparison operand.
5644 * config/bfin/predicates.md (reg_or_const_int_operand): New.
5646 * config/bfin/bfin.md (define_attr "type"): Add "sync".
5647 (define_insn_reservation "alu"): Likewise.
5648 (csync, ssync): Now of type sync.
5649 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
5650 -mcsync-anomaly -mspecld-anomaly.
5651 * config/bfin/bfin.opt (mcsync): Remove.
5652 (mcsync-anomaly, mspecld-anomaly): Add.
5653 * config/bfin/bfin.c: Include "insn-codes.h".
5654 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
5655 (TARGET_DEFAULT_TARGET_FLAGS): New.
5656 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
5658 2005-07-11 Steven Bosscher <stevenb@suse.de>
5660 * basic-block.h: Give the BB flags enum a name, bb_flags.
5661 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
5662 * cfgcleanup.c (enum bb_flags): Remove here.
5663 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
5664 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
5665 (update_forwarder_flag): Likewise.
5666 (thread_jump): Likewise.
5667 (try_forward_edges): Likewise.
5668 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
5669 forwarder flags. Don't clear bb->aux for all basic blocks. Only
5670 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
5672 2005-07-11 Richard Guenther <rguenther@suse.de>
5674 * config/i386/i386.opt: New target option -msseregparm.
5675 * config/i386/i386.c (override_options): Error out for
5676 -msseregparm but no SSE support.
5677 (ix86_function_sseregparm): Check for global sseregparm.
5678 * doc/invoke.texi: Document -msseregparm.
5680 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5682 * config.gcc (m32r-*-linux*): Use the default extra_parts.
5683 (m32rle-*-linux*): Ditto.
5685 2005-07-11 Jakub Jelinek <jakub@redhat.com>
5687 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
5688 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
5691 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5695 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
5696 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
5698 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
5700 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
5701 (varmap): Heapify varmap.
5702 (constraints): Heapify constraints.
5703 (struct constraint_graph): Heapify succs and preds.
5704 (constraint_vec_find): Update for heapification.
5705 (constraint_set_union): Ditto.
5706 (insert_into_complex): Ditto.
5707 (constraint_edge_vec_find): Ditto.
5708 (erase_graph_self_edge): Ditto.
5709 (add_graph_edge): Ditto.
5710 (get_graph_weights): Ditto.
5711 (merge_graph_nodes): Ditto.
5712 (build_constraint_graph): Ditto.
5713 (topo_visit): Ditto.
5714 (solve_graph): Ditto.
5715 (create_variable_info_for): Ditto.
5716 (init_base_vars): Ditto.
5717 (delete_points_to_sets): Free graph, varmap, and complex constraints.
5718 (condese_varmap_nodes): Free complex vector.
5719 (clear_edges_for_node): Clear succs and preds vector.
5721 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
5723 * tree-ssa-structalias.c (update_alias_info): Change counting of
5724 references to not include vdefs.
5726 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
5728 * tree-ssa-alias.c (free_used_part_map): Add missing free.
5731 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5733 * pa.c (pa_commutative_p): Make PLUS commutative when
5734 TARGET_NO_SPACE_REGS is true.
5736 2005-07-09 Diego Novillo <dnovillo@redhat.com>
5738 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
5739 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
5740 * tree-dfa.c (dump_subvars_for): New.
5741 (debug_subvars_for): New.
5742 (dump_variable): Show subvariables if VAR has them.
5743 * tree-flow-inline.h (get_subvar_at): New.
5744 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
5745 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
5747 (struct subvar): Change fields offset and size to unsigned
5749 (dump_subvars_for): Declare.
5750 (debug_subvars_for): Declare.
5751 (get_subvar_at): Declare.
5752 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
5753 to unsigned HOST_WIDE_INT *.
5754 (overlap_subvar): Likewise.
5755 * tree-gimple.c (is_gimple_reg): Always return false for
5756 SFTs and memory tags.
5757 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
5759 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
5760 (compute_may_aliases): Call compute_points_to_sets.
5761 (collect_points_to_info_for): Remove.
5762 (compute_points_to_and_addr_escape): Remove.
5763 (delete_alias_info): Call delete_points_to_sets.
5764 (compute_flow_sensitive_aliasing): If the call to
5765 find_what_p_points_to returns false, call set_pt_anything.
5766 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
5767 (set_pt_anything): Clear pi->pt_vars.
5768 (set_pt_malloc): Remove.
5769 (merge_pointed_to_info): Remove.
5770 (add_pointed_to_expr): Remove.
5771 (add_pointed_to_var): Remove.
5772 (collect_points_to_info_r): Remove.
5773 (is_escape_site): Make extern.
5775 (create_overlap_variables_for): Call it.
5776 * tree-ssa-copy.c (merge_alias_info): Never merge
5777 flow-sensitive alias information.
5778 * tree-ssa-operands.c (get_expr_operands): Adjust variables
5779 offset and size to be unsigned HOST_WIDE_INT.
5780 (add_to_addressable_set): Rename from note_addressable.
5781 Set TREE_ADDRESSABLE as the variables are added to the set.
5783 (add_stmt_operand): Do not try to micro-optimize unmodifiable
5784 operands into VUSEs when adding V_MAY_DEFs for members in an
5786 * tree-ssa-operands.h (add_to_addressable_set): Declare.
5787 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
5788 (struct variable_info): Add bitfield is_heap_var.
5789 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
5790 (new_var_info): Initialize is_heap_var.
5791 (get_constraint_for): Add HEAP variables to the symbol table.
5792 Mark them with is_heap_var.
5793 (update_alias_info): New. Taken mostly from the old
5794 compute_points_to_and_addr_escape.
5795 (handle_ptr_arith): New.
5796 (find_func_aliases): Call update_alias_info.
5797 Call handle_ptr_info for tcc_binary expressions.
5798 Call mark_stmt_modified.
5799 (create_variable_info_for): If DECL has subvars, do not create
5800 variables for its subvars. Always add all the fields.
5801 (set_uids_in_ptset): If the solution includes ANYOFFSET and
5802 SFTs, then add all the SFTs of the structure.
5803 If VI->DECL is an aggregate with subvariables, add the SFT at
5805 (find_what_p_points_to): If VI is an artificial variable,
5806 translate to bitfields in SSA_NAME_PTR_INFO.
5807 If the solution is empty, set pi->pt_vars to NULL
5808 (init_base_vars): Create ANYOFFSET.
5809 (compute_points_to_sets): Rename from create_alias_vars.
5811 (pass_build_pta): Remove.
5812 (delete_points_to_sets): Rename from delete_alias_vars.
5813 (pass_del_pta): Remove.
5814 * tree-ssa-structalias.h (struct alias_info): Move from
5816 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
5817 NUM_REFERENCES_SET): Likewise.
5818 (compute_points_to_sets, delete_points_to_sets): Declare.
5820 2005-07-09 Richard Henderson <rth@redhat.com>
5822 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
5823 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
5824 alpha_split_lock_test_and_set_12): New functions.
5825 * config/alpha/alpha-protos.h: Update.
5826 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
5827 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
5828 * config/alpha/sync.md (I12MODE): New.
5829 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
5830 (sync_<fetchop_name><I48MODE>): Likewise.
5831 (sync_nand<I48MODE>): Likewise.
5832 (sync_old_<fetchop_name><I48MODE>): Likewise.
5833 (sync_new_<fetchop_name><I48MODE>): Likewise.
5834 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
5835 (sync_compare_and_swap<I48MODE>): Likewise.
5836 (sync_lock_test_and_set<I48MODE>): Likewise.
5837 (sync_compare_and_swap<I12MODE>): New.
5838 (sync_compare_and_swap<I12MODE>_1): New.
5839 (sync_lock_test_and_set<I12MODE>): New.
5840 (sync_lock_test_and_set<I12MODE>_1): New.
5842 2005-07-09 Diego Novillo <dnovillo@redhat.com>
5846 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
5848 2005-07-09 Jakub Jelinek <jakub@redhat.com>
5850 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
5851 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
5853 2005-07-09 Richard SAndiford <richard@codesourcery.com>
5856 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5858 2005-07-08 David Edelsohn <edelsohn@gnu.org>
5860 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
5861 memory_operand constraint.
5862 (store_conditional_<mode>): Same.
5863 (sync_compare_and_swap<mode>): Same.
5864 (sync_lock_test_and_set<mode>): Same.
5866 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
5868 Rewrite PIC support to more closely model actual instructions.
5869 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
5870 (cris_symbol): Remove prototypes for removed functions.
5871 (cris_pic_symbol_type_of, cris_valid_pic_const)
5872 (cris_expand_pic_call_address): Prototypes for new functions.
5873 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
5875 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
5877 <case ':'>: Add case for new punctuation character.
5878 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
5879 emitting (extra) PIC modifier.
5880 <case UNSPEC>: Do not assert for PLT.
5881 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
5882 (cris_expand_prologue, cris_expand_epilogue): Check
5883 for pic_offset_table_rtx usage instead of taking
5884 current_function_uses_pic_offset_table as the final word.
5885 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
5886 Remove flag_pic difference.
5887 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
5888 the moral equivalents of...
5889 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
5891 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
5892 (cris_handle_option): Mark ARG as unused.
5893 (cris_expand_pic_call_address): New worker function for "call",
5895 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
5896 output PIC constructs here.
5897 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
5898 as symbol-specific modifers, not whole or part of operands.
5899 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
5900 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
5901 constants and flag_pic.
5902 (CONSTANT_INDEX_P): Adjust for new functions.
5903 (enum cris_pic_symbol_type): New helper type.
5904 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
5905 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
5906 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
5908 ("movsi"): Emit actual instructions for GOT and relative access.
5909 ("*movsi_got_load"): New pattern to set up the register holding
5911 ("*movsi_internal"): Operand 1 is not a plain general_operand.
5912 Adjust FIXME for 'S'.
5913 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
5914 Use "movs" for -fpic cases.
5915 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
5916 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
5917 ("call", "call_value"): Just call cris_expand_pic_call_address for
5919 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
5920 Remove special pattern.
5921 ("*expanded_call_side", "*expanded_call_value_side"): New
5923 (gotplt-to-plt, gotplt-to-plt-side-call)
5924 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
5926 * config/cris/cris/predicates.md
5927 ("cris_general_operand_or_gotless_symbol"): Remove unused
5929 ("cris_general_operand_or_symbol"): Adjust for new functions.
5931 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
5933 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
5935 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
5937 * Makefile.in (TREE_H): Add treestruct.def.
5938 (c-decl.o): Add pointer-set.h
5939 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
5940 visibility on regular DECL's.
5941 (merge_decls): Fix the copying of decl nodes of various types for
5942 the new structures. Don't update RTL, section name, weak status,
5943 etc, on DECL's without RTL.
5944 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
5945 Don't check volatile on non-variable types.
5946 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
5947 to check whether we have seen arguments.
5948 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
5949 flag is checked before field (flag is common, field is not).
5950 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
5951 TS_DECL_COMMON could have an origin.
5952 (add_location_or_const_value_attribute): Don't check section name
5953 on non-var/function decls.
5954 (dwarf2out_var_location): Reverse order of tests.
5955 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
5956 with DECL_WRTL_CHECK.
5957 * expmed.c (make_tree): rtl is now in decl_with_rtl.
5958 * fold-const.c (fold_binary): Don't check weakness on
5959 non-var/function decls.
5960 (tree_expr_nonzero_p): Ditto.
5961 (fold_checksum_tree): Use tree_decl_extra as sizeof
5963 * ggc-page.c (extra_order_size_table): Add sizes for
5964 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
5966 * gimplify.c (gimplify_bind_expr): Only set
5967 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
5968 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
5970 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
5971 * langhooks.h (init_ts). New langhook.
5972 * passes.c (rest_of_decl_compilation): Reverse order of tests.
5973 * print-tree.c (print_node): Update to only print fields that
5974 exist in the structures the passed decl has.
5975 * toplev.c (wrapup_global_declarations): Don't reset
5976 DECL_DEFER_OUTPUT on DECL's that don't contain it.
5977 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
5978 * tree-inline.c (remap_decl): Ditto.
5979 * tree-outof-ssa.c (create_temp): Reverse order of tests.
5980 * tree-pretty-print.c (print_declaration): Don't print
5981 DECL_REGISTER on things that don't contain it.
5982 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
5983 non-var/function decls.
5984 * tree.c (tree_contains_struct): New structure.
5985 (init_priority_for_decl): New hashtable.
5986 (tree_int_map): New structure.
5987 (tree_int_map_eq): New function.
5988 (tree_int_map_marked_p): Ditto.
5989 (tree_int_map_hash): Ditto.
5990 (tree_map): Move to tree.h.
5991 (tree_map_eq): Externalize.
5992 (tree_map_hash): Ditto.
5993 (tree_map_marked_p): Ditto.
5994 (init_ttree): Set up tree_contains_struct and call langhook.
5995 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
5996 (tree_code_size): Update for new structures.
5997 (tree_node_structure): Update for new structures.
5998 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
6000 (copy_node_stat): Copy init priority.
6001 (build_decl_stat): Ditto for visibility.
6002 (ts_enum_names): New.
6003 (tree_contains_struct_check_failed): New function.
6004 (decl_init_priority_lookup): Ditto.
6005 (decl_init_priority_insert): Ditto.
6006 * treestruct.def: New file.
6007 * tree.h (CODE_CONTAINS_STRUCT): New macro.
6008 (CONTAINS_STRUCT_CHECK): Ditto.
6009 (tree_contains_struct_check_failed): New prototype.
6010 (DECL_CHECK): Removed.
6011 (DECL_MINIMAL_CHECK): New.
6012 (DECL_COMMON_CHECK): Ditto.
6013 (DECL_WRTL_CHECK): Ditto.
6014 (DECL_NON_COMMON_CHECK): Ditto.
6015 (DECL_WITH_VIS_CHECK): Ditto.
6016 (VAR_OR_FUNCTION_DECL_P): Ditto
6017 (struct tree_decl_minimal): New structure.
6018 (struct tree_decl_common): Ditto.
6019 (struct tree_decl_with_rtl): Ditto.
6020 (struct tree_decl_with_vis): Ditto.
6021 (struct tree_decl_non_common): Ditto.
6022 (struct tree_field_decl): Ditto.
6023 (struct tree_parm_decl): Ditto.
6024 (struct tree_var_decl): Ditto.
6025 (struct tree_function_decl): Ditto.
6026 (struct tree_const_decl): Ditto.
6027 (struct tree_result_decl): Ditto.
6028 (union tree_node): Add new structures.
6029 * var-tracking.c (track_expr_p): Reverse order of tests.
6031 * doc/c-tree.texi: Add documentation on DECL node internal structure.
6033 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6035 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
6036 * system.h: Poison FINALIZE_PIC.
6037 * doc/tm.texi (FINALIZE_PIC): Remove.
6039 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6042 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
6043 to the correct type if we have a MODIFY_EXPR.
6045 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6047 PR tree-optimization/22360
6048 * tree.c (upper_bound_in_type): Fix calculations for casting
6049 to a non-wider signed type and casting a signed value to a
6050 wider unsigned type.
6051 (lower_bound_in_type): Fix calculations for casting to a
6052 non-wider signed type.
6054 PR tree-optimization/20139
6055 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
6057 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
6058 fold_cond_expr_cond.
6059 * tree-ssanames.c (release_defs): Assert in_ssa_p.
6060 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
6062 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6065 * tree-complex.c (expand_complex_libcall): Produce
6066 REALPART_EXPR/IMAGPART_EXPR with the correct type.
6068 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
6070 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
6071 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
6072 b" assert and inserted fastpath code for this case.
6073 (bitmap_ior): Removed "a != b" assert.
6075 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6077 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
6078 (ENDFILE_SPEC): Likewise.
6079 * config/m32r/m32r.h (ASM_SPEC): Likewise.
6081 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
6082 a large stack frame at epilogue.
6084 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
6086 * final.c: Include sdbout.h when required.
6088 2005-07-07 Geoffrey Keating <geoffk@apple.com>
6090 * config.gcc (*-*-darwin*): Only one target-specific header file
6092 (powerpc-*-darwin*): Add version-specific header files.
6093 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
6094 * config.in: Regenerate.
6095 * configure: Regenerate.
6096 * gcc.c: Include xregex.h.
6097 (version_compare_spec_function): New.
6098 (spec_function): Add version-compare.
6099 (replace_outfile_spec_function): Reformat comment.
6100 (compare_version_strings): New.
6101 * config/darwin-c.c (version_as_macro): New.
6102 (builtin_define): New.
6103 (darwin_cpp_builtins): New.
6104 * config/darwin-protos.h (darwin_cpp_builtins): New.
6105 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
6106 (LIB_SPEC): Make unconditional, update comment.
6107 (TARGET_C99_FUNCTIONS): Define.
6108 * config/darwin.opt: Sort.
6109 (mmacosx-version-min=): New.
6110 * config/darwin7.h: Delete.
6111 * config/darwin8.h: Delete.
6112 * config/i386/darwin.h (): Call darwin_cpp_builtins.
6113 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
6114 (TARGET_C99_FUNCTIONS): Define.
6115 * config/rs6000/darwin7.h: New.
6116 * config/rs6000/darwin8.h: New.
6117 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
6118 (-mmacosx-version-min): Document.
6120 2005-07-07 Ian Lance Taylor <ian@airs.com>
6122 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
6124 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
6127 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
6129 2005-07-07 Khem Raj <kraj@mvista.com>
6131 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
6132 in bytes, not words.
6134 2005-07-07 Paul Brook <paul@codesourcery.com>
6136 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
6137 DEFAULT_FUNCTION_ARG_PADDING to upward.
6139 2005-07-07 Richard Henderson <rth@redhat.com>
6141 * function.c (locate_and_pad_parm): Record parameter alignment in
6142 stack_alignment_needed.
6144 2005-07-07 David Edelsohn <edelsohn@gnu.org>
6146 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
6147 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
6148 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
6149 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
6150 (define_attr "type"): Add isync, sync, load_l, store_c.
6151 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
6152 Create scratch volatile MEM.
6153 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
6155 (load_locked_<mode>): New.
6156 (store_conditional_<mode>): New.
6157 (sync_compare_and_swap<mode>): Replace with splitter.
6158 (sync_lock_test_and_set<mode>): Replace with splitter.
6159 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
6161 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
6162 is ics. Attribute isync.
6163 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
6165 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
6166 and UNSPECV_SYNC_OP.
6167 (emit_unlikely_jump): New.
6168 (emit_load_locked): New.
6169 (emit_store_conditional): New.
6170 (rs6000_split_compare_and_swap): New.
6171 (rs6000_split_lock_test_and_set): New.
6172 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
6173 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
6174 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
6175 rs6000_split_lock_test_and_set): Declare.
6176 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
6177 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
6178 store_c, isync, sync.
6180 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
6182 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
6183 filenames to gtyp-gen.h.
6184 (s-typ-gen): Use it in place of for loops.
6186 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
6188 * hooks.c (hook_bool_rtx_int_false): New function.
6189 * hooks.h (hook_bool_rtx_int_false): Declare.
6190 * target-def.h (TARGET_COMMUTATIVE_P): Define.
6191 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
6192 * target.h (struct gcc_target): Add commutative_p member.
6193 * targhooks.c (hook_bool_rtx_commutative_p): New function.
6194 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
6195 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
6196 (pa_commutative_p): New function.
6197 * jump.c (target.h): Include.
6198 (rtx_renumbered_equal_p): Use targetm.commutative_p.
6199 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
6201 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6203 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
6204 (s390_expand_setmem): New.
6205 * config/s390/s390.c: Likewise.
6206 (print_shift_count_operand): Truncate to 12 bits instead of 6.
6208 * config/s390/s390.md: ("setmem<mode>"): Accept character as
6209 general_operand. Call new function "s390_expand_setmem".
6210 ("clrmem_long", "*clrmem_long"): Rewrite to ...
6211 ("setmem_long", "*setmem_long"): ... this.
6213 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6215 * config/s390/s390.c: (optimization_options): Enable
6216 TARGET_MVCLE at -Os.
6217 * doc/invoke.texi: Document changes in default behaviour.
6218 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
6220 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6222 * expr.c: (set_storage_via_setmem): Convert opchar to mode
6223 defined by back-end.
6225 2005-07-07 Jakub Jelinek <jakub@redhat.com>
6227 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
6228 all sets in the pattern.
6229 * config/rs6000/rs6000.md (stack_protect_testsi,
6230 stack_protect_testdi): Likewise.
6232 2005-07-06 Jeff Law <law@redhat.com>
6234 * tree-vrp.c (simplify_using_ranges): Kill.
6235 (vrp_finalize): Remove call to simplify_using_ranges.
6236 (simplify_stmt_using_ranges): New function extracted from
6237 simplify_using_ranges.
6238 (simplify_div_or_mod_using_ranges): Likewise.
6239 (simplify_abs_using_ranges): Likewise.
6240 (simplify_cond_using_ranges): New function.
6241 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
6242 * tree-ssa-propagate.c (substitute_and_fold): Call
6243 simplify_stmt_using_ranges if we have range information.
6245 2005-07-06 James E. Wilson <wilson@specifixinc.com>
6247 * config/ia64/ia64.c (ia64_reorg): Check optimize before
6248 ia64_flag_schedule_isns2.
6250 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
6251 reading/writing general registers.
6252 (ia64_function_arg): Revert 2005-06-18 change.
6254 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
6256 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
6257 (legitimize_tls_address): Use gcc_unreachable instead of abort.
6259 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
6261 * function.c (expand_function_end): Revert part of 2005-06-27
6262 patch. Do sjlj_emit_function_exit_after after return_label.
6264 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
6266 * doc/install.texi (--disable-libssp): New.
6268 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
6270 * doc/invoke.texi: Update -fforce-mem documentation.
6271 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
6272 code for -fforce-mem.
6273 * expmed.c: (store_bit_field,store_fixed_bit_field,
6274 extract_bit_field): Ditto.
6275 * expr.c: (convert_move): Ditto.
6276 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
6277 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
6278 emit_conditional_add,expand_float,expand_fix): Ditto.
6279 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
6280 (common_handle_option): Issue warning when -fforce-mem specified.
6282 2005-07-06 Paul Brook <paul@codesourcery.com>
6284 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
6286 * configure: Regenerate.
6288 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
6290 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
6292 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
6294 Fix PR tree-optimization/22319
6295 Fix PR tree-optimization/22140
6296 Fix PR tree-optimization/22310
6298 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
6299 variable sized types.
6300 Use correct type for intermediate structure on *a = *b structure
6303 2005-07-06 Jakub Jelinek <jakub@redhat.com>
6305 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
6307 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
6308 (machine_function): Move typedef to...
6309 * config/rs6000/rs6000.c (machine_function): ... here. Add
6310 varargs_save_offset field.
6311 (rs6000_stack_t): Remove varargs_size field.
6312 (setup_incoming_varargs): Allocate varargs save area using
6313 assign_stack_local, try to make it as small as possible.
6314 Save offset from virtual_stack_vars_rtx to the save area
6315 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
6316 instead of magic 8 when fp word byte size is used.
6317 (rs6000_va_start): Use cfun->machine->varargs_save_offset
6318 instead of -RS6000_VARARGS_SIZE.
6319 (rs6000_stack_info, debug_stack_info,
6320 rs6000_initial_elimination_offset): Remove all traces of
6322 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
6323 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
6324 RS6000_VARARGS_AREA.
6326 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6328 PR tree-optimization/21963
6329 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
6330 constant_multiple_of in the same way get_computation_cost_at does.
6332 2005-07-06 Jakub Jelinek <jakub@redhat.com>
6334 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
6335 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
6336 (gen_compare_reg): If sparc_compare_emitted is set, clear it
6337 and return its previous value.
6338 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
6339 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
6341 (stack_protect_set, stack_protect_test): New expanders.
6342 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
6343 stack_protect_testdi): New insns.
6344 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6345 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
6347 2005-07-06 Jeff Law <law@redhat.com>
6349 * tree-ssa-dce.c (cfg_altered): New global.
6350 (tree_dce_init): Initialize cfg_altered.
6351 (remove_dead_stmt): If we remove an edge in the CFG, then set
6353 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
6356 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
6358 * Makefile.in (stamp-collect-ld): Use
6359 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
6360 ./collect-ld if it already exists.
6361 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
6362 Don't remove ./nm if it already exists.
6364 2005-07-05 Devang Patel <dpatel@apple.com>
6366 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
6367 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
6368 * tree-vectorizer.c (vect_loop_location): New.
6369 (vect_print_dump_info): Use vect_loop_location.
6370 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
6371 (vectorize_loops): Set vect_loop_location.
6372 * tree-vect-analyze.c (vect_analyze_offset_expr,
6373 vect_determin_vectorization_factor, vect_analyze_operations,
6374 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
6375 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
6376 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
6377 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
6378 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
6379 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
6380 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
6381 vect_analyze_loop): Adjust vect_print_dump_info API.
6382 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6383 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
6384 vect_finish_stmt_generation, vectorizable_assignment,
6385 vectorizable_operation, vectorizable_store, vectorizable_load,
6386 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
6387 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
6388 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
6389 vect_transform_loop): Same.
6390 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
6391 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
6394 2005-07-05 Randolph Chung <tausq@debian.org>
6396 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
6397 * configure: Regenerate.
6398 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
6399 (pa_tls_referenced_p): Declare.
6400 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
6401 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
6402 (legitimize_tls_address): New.
6403 (hppa_legitimize_address): Handle TLS addresses.
6404 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
6405 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6406 (emit_move_sequence): Handle TLS addresses.
6407 (pa_encode_section_info): Call default handler to handle common
6409 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
6410 (CONSTANT_ADDRESS_P): Reject TLS operands.
6411 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
6412 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
6413 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
6414 (UNSPEC_TLSLE): Define new constants.
6415 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
6416 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
6417 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
6418 (tie_symbolic_operand, tle_symbolic_operand): New
6420 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
6422 * aclocal.m4: Update macros for autoconf 2.59 style.
6423 * configure.ac: Likewise.
6425 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6427 * pa.c (function_value): Handle small aggregates on 32-bit targets.
6428 (function_arg): Pass small aggregates in general registers on 32-bit
6430 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
6432 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
6434 * Makefile.in (final.o): Fix dependencies.
6436 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
6440 * langhooks.h (struct lang_hooks): Add expr_to_decl.
6441 * langhooks.c (lhd_expr_to_decl): New.
6442 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
6444 (LANG_HOOKS_INITIALIZER): Update.
6445 * tree.c (recompute_tree_invarant_for_addr_expr): Call
6446 expr_to_decl langhook.
6447 * c-tree.h (c_expr_to_decl): Declare.
6448 * c-typeck.c (c_expr_to_decl): New.
6449 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
6451 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
6453 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
6456 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
6457 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
6459 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
6461 * Makefile.in: Adjust dependencies.
6462 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
6463 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
6464 * alias.c (rest_of_handle_cfg, pass_cfg): New.
6465 * bb-reorder.c (duplicate_computed_gotos): Make it static.
6466 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
6467 rest_of_compilation.
6469 * bb-reorder.c (gate_duplicate_computed_gotos,
6470 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
6471 rest_of_handle_reorder_blocks, pass_reorder_blocks,
6472 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
6473 pass_partition_blocks): New.
6474 * bt-load.c (gate_handle_branch_target_load_optimize,
6475 rest_of_handle_branch_target_load_optimize,
6476 pass_branch_target_load_optimize): New.
6477 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
6479 * cfglayout.c (pass_insn_locators_initialize): New.
6480 * cfgrtl.c (pass_free_cfg): New.
6481 * combine.c (gate_handle_combine, rest_of_handle_combine,
6483 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
6484 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
6485 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
6486 * except.c (pass_set_nothrow_function_flags,
6487 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
6489 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
6490 rest_of_handle_shorten_branches, pass_shorten_branches,
6491 rest_of_clean_state, pass_clean_state): New.
6492 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
6493 rest_of_handle_remove_death_notes, pass_remove_death_notes,
6494 rest_of_handle_life, pass_life, rest_of_handle_flow2,
6496 * function.c (pass_instantiate_virtual_regs, pass_init_function,
6497 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
6498 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
6499 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
6501 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
6502 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
6503 pass_rtl_ifcvt, gate_handle_if_after_combine,
6504 rest_of_handle_if_after_combine, pass_if_after_combine,
6505 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
6506 pass_if_after_reload): New.
6507 * integrate.c (pass_initial_value_sets): New.
6508 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
6509 pass_purge_lineno_notes): New.
6510 * mode-switching.c (rest_of_handle_mode_switching,
6511 pass_mode_switching): New.
6512 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
6513 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
6515 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
6516 pass_loop_optimize): New.
6517 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
6519 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
6521 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
6522 pass_postreload_cse): New.
6523 * profile.c (gate_handle_profiling, pass_profiling,
6524 rest_of_handle_branch_prob, pass_branch_prob): New.
6525 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
6526 pass_split_before_regstack, gate_handle_split_before_regstack,
6527 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
6528 rest_of_handle_split_all_insns, pass_split_all_insns): New.
6529 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
6530 pass_stack_regs): New.
6531 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
6532 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
6533 pass_stack_adjustments): New.
6534 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
6535 pass_regrename): New.
6536 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
6537 pass_delay_slots, gate_handle_machine_reorg,
6538 rest_of_handle_machine_reorg, pass_machine_reorg): New.
6539 * rtl.h (extern void purge_line_number_notes): New.
6540 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
6541 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
6543 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
6545 * value-prof.c (gate_handle_value_profile_transformations,
6546 rest_of_handle_value_profile_transformations,
6547 pass_value_profile_transformations): New.
6548 * var-tracking.c (gate_handle_var_tracking,
6549 pass_variable_tracking): New.
6550 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
6552 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
6553 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
6554 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
6555 rest_of_handle_old_regalloc, rest_of_handle_regrename,
6556 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
6557 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
6558 rest_of_handle_gcse2, rest_of_handle_regmove,
6559 rest_of_handle_tracer, rest_of_handle_if_conversion,
6560 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
6561 rest_of_handle_web, rest_of_handle_branch_prob,
6562 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
6563 rest_of_handle_jump_bypass, rest_of_handle_combine,
6564 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
6565 rest_of_handle_gcse, rest_of_handle_loop_optimize,
6566 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
6567 rest_of_handle_mode_switching, rest_of_handle_jump,
6568 rest_of_handle_eh, rest_of_handle_stack_adjustments,
6569 rest_of_handle_flow2, rest_of_handle_jump2,
6570 rest_of_handle_peephole2, rest_of_handle_postreload,
6571 rest_of_handle_shorten_branches, rest_of_clean_state,
6572 rest_of_compilation): Remove.
6574 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
6575 * passes.c (dump_flags, in_gimple_form, all_passes,
6576 all_ipa_passes, all_lowering_passes, register_one_dump_file,
6577 register_dump_files, next_pass_1, last_verified, execute_todo,
6578 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
6579 from tree-optimize.c.
6580 (init_optimization_passes): Moved from tree-optimize.c,
6581 adding the RTL optimizations.
6582 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
6583 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
6584 all_ipa_passes, all_lowering_passes, register_one_dump_file,
6585 register_dump_files, next_pass_1, last_verified, execute_todo,
6586 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
6587 init_tree_optimization_passes, ipa_passes): Delete.
6588 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
6590 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
6591 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
6593 (ipa_passes): Remove.
6594 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
6595 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
6596 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
6597 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
6598 (dump_info_p, dump_flag): Moved to tree-dump.h.
6600 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
6602 * passes.c (finish_optimization_passes): Use dump_begin
6603 and dump_end, TDI_end.
6604 (gate_rest_of_compilation): New.
6605 (pass_rest_of_compilation): Use it.
6606 (gate_postreload, pass_postreload): New.
6607 * toplev.c (general_init): Rename init_tree_optimization_passes.
6608 * toplev.h (init_tree_optimization_passes): Rename to
6609 init_optimizations_passes.
6610 * tree-dump.c (dump_flag): Make static.
6611 (dump_files): Remove RTL dumps.
6612 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
6613 pass_cleanup_cfg, pass_free_cfg_annotations,
6614 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
6615 pass_init_datastructures, pass_fixup_cfg): Make non-static.
6616 * tree-pretty-print.c: Include tree-pass.h.
6617 * cgraph.c: Include tree-dump.h.
6619 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
6621 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
6622 Only fall back to saying it points to readonly memory if
6625 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6627 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
6628 * config/m32r/m32r.c (m32r_compute_frame_size,
6629 m32r_expand_prologue): Take current_function_profile into
6630 account whenever we reference
6631 current_function_uses_pic_offset_table.
6632 (m32r_finalize_pic): Remove.
6633 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
6635 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
6637 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
6638 instead of $<. Don't remove ./as if it already exists.
6640 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6643 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
6644 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
6645 for complex modes when generating code for PA 1.0.
6646 (VALID_FP_MODE_P): New macro.
6647 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
6648 sets for all general and floating point modes. Align wide floating
6649 point modes to even register boundaries to comply with architectural
6651 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
6652 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
6653 (VALID_FP_MODE_P): New macro.
6654 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
6655 sets for all general and floating point modes. Align wide floating
6656 point modes to even register boundaries to comply with architectural
6659 2005-07-04 Diego Novillo <dnovillo@redhat.com>
6661 * tree-dump.c (dump_files): Initialize dump number for .cgraph
6664 2005-07-04 Diego Novillo <dnovillo@redhat.com>
6666 * tree-ssa-structalias.c: Don't include expr.h.
6668 2005-07-04 Diego Novillo <dnovillo@redhat.com>
6670 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
6673 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
6675 Fix PR tree-optimization/22279
6677 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
6680 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
6682 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
6684 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
6686 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
6687 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
6688 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
6689 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
6690 config/stormy16/stormy16.c, config/v850/v850.c,
6691 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
6692 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
6693 Avoid "." or "\n" at end of diagnostics and capital letters at
6694 start of diagnostics.
6695 * combine.c, cse.c: Don't translate dump file output.
6696 * toplev.c (print_version): Only translate output if going to
6699 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
6701 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
6702 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
6705 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6707 * pa.c (fix_range): Fix typo in comment.
6709 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
6711 * tree-vrp.c (extract_range_from_assert): Replace
6712 fold (build (...)) with fold_build2.
6714 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6716 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
6717 gcc_gfc_char_table, init_dynamic_gfc_info): New.
6718 (format_types_orig, handle_format_attribute): Add support for
6721 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
6723 * varasm.c (assemble_variable): Fix format specifier thinko.
6725 2005-07-03 Ira Rosen <irar@il.ibm.com>
6727 PR tree-optimization/22029 (and 22135)
6728 * tree-pretty-print.c (dump_generic_node): Check that the node is not
6729 a phi node before calling dump_vops.
6731 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
6733 * tree-dump.h (dump_string_field): Declare.
6734 * tree-dump.c: Use it instead of dump_string.
6735 (dump_string_field): Make non-static.
6737 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
6739 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
6740 up the minimal CFG stuff always when optimize > 0. Call
6741 split_all_insns_noflow in PIC case if needed.
6743 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
6744 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
6747 * c-decl.c (c_write_global_declarations): Dump contents of
6749 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
6750 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
6751 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
6752 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
6755 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
6757 * c-common.h (GCC_DIAG_STYLE): Define.
6758 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
6759 version for format checking to 4.1.
6760 * c-format.c: Include toplev.h after c-common.h.
6761 (enum format_type): Add gcc_tdiag_format_type.
6762 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
6763 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
6764 (format_types_orig): Add gcc_tdiag.
6765 (init_dynamic_diag_info): Support gcc_tdiag formats.
6766 (handle_format_attribute): Likewise.
6767 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
6768 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
6769 version for format checking to 4.1.
6770 (warning0, warning, error, pedwarn, sorry): Use
6772 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
6773 (finish_aliases_1): Do not use %qE.
6774 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
6775 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
6776 Correct format bugs.
6777 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
6778 parameter to unsigned HOST_WIDE_INT.
6779 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
6781 2005-07-02 David Edelsohn <edelsohn@gnu.org>
6784 * expr.c (write_complex_part): Use adjust_address for MEM.
6785 (read_complex_part): Same.
6787 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
6789 Fix PR tree-optimization/22280
6791 * tree-sra.c (generate_element_init): Remove useless loop.
6793 2005-07-02 Richard Henderson <rth@redhat.com>
6795 * config/alpha/alpha.c (alpha_legitimize_address): Check for
6797 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
6799 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
6802 * fold-const.c (fold_binary): Handle the return value of
6803 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
6804 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
6806 2005-07-02 Jeff Law <law@redhat.com>
6808 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
6809 a eliminate type conversion which feeds an equality comparison
6810 if the original type or either operand in the comparison is a
6813 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
6815 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
6816 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
6818 * config/avr/avr.c: Do not use '`' as left quote.
6819 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
6820 Remove "." from end of diagnostics. Make diagnostics start with
6823 2005-07-02 Zack Weinberg <zack@codesourcery.com>
6824 Joseph S. Myers <joseph@codesourcery.com>
6826 * toplev.c (default_tree_printer): Handle setting location with
6828 * c-objc.common.c (c_tree_printer): Likewise.
6829 * c-format.c (gcc_diag_flag_specs): Add '+'.
6830 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
6831 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
6833 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
6834 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
6835 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
6836 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
6837 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
6838 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
6839 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
6840 format arguments where %J is used without %D.
6842 2005-07-02 Jakub Jelinek <jakub@redhat.com>
6844 * gcc.c (LINK_SSP_SPEC): Define.
6845 (link_ssp_spec): New variable.
6846 (LINK_COMMAND_SPEC): Add %(link_ssp).
6847 (static_specs): Add link_ssp_spec.
6848 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
6849 * configure: Rebuilt.
6850 * config.in: Rebuilt.
6852 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6853 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6854 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6855 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6856 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
6857 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
6858 -0x7008(2) instead of reading __stack_chk_guard variable.
6859 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
6861 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
6862 (stack_protect_set, stack_protect_test): Use *_tls* patterns
6863 if TARGET_THREAD_SSP_OFFSET is defined.
6864 (stack_tls_protect_set_si, stack_tls_protect_set_di,
6865 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
6868 2005-06-27 Richard Henderson <rth@redhat.com>
6869 * libgcc-std.ver (GCC_4.1.0): New.
6870 * libgcc.h (__stack_chk_guard): Declare.
6871 (__stack_chk_fail, __stack_chk_fail_local): Declare.
6872 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
6873 * mklibgcc.in (lib2funcs): Add them.
6875 2005-07-01 Richard Henderson <rth@redhat.com>
6877 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
6878 void * before struct sigcontext *.
6879 (x86_fallback_frame_state): Likewise.
6881 2005-07-01 James E. Wilson <wilson@specifixinc.com>
6883 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
6885 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
6888 * tree-ssa-reassoc.c (should_transpose): Fix which operand
6889 we check for SSA_NAME for.
6891 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
6893 Fix PR tree-optimization/22071
6895 * tree-ssa-structalias.c (offset_overlaps_with_access): New
6897 (get_constraint_for_component_ref): Use it.
6899 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
6902 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
6903 print out the last new line.
6905 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
6907 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
6908 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
6909 * config/cris/cris.c (cris_conditional_register_usage): Adjust
6910 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
6911 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
6912 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
6913 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
6914 (enum reg_class): New member CC0_REGS.
6915 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
6916 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
6917 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
6918 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
6919 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6920 Adjust for register now described.
6922 2005-07-01 Jakub Jelinek <jakub@redhat.com>
6925 * config/i386/i386.md (stack_protect_test_si,
6926 stack_protect_test_di): Add earlyclobber for scratch 3.
6927 * config/rs6000/rs6000.md (stack_protect_testsi,
6928 stack_protect_testdi): Add earlyclobber for scratch 3,
6929 remove earlyclobber from scratch 4.
6931 Older entries for 2005 can be found in ChangeLog-2005.
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